38results about How to "Realize the opening and closing action" patented technology

The invention provides a hinge device and a portable terminal, wherein the hinge device is capable of opening and closing 360 degrees stably and smoothly. The hinge device comprises a first rotating central shaft and a second rotating central shaft, support plates, cams, cam engaging parts, press force applying devices, stopping parts and stopping blocks. The first rotating central shaft and the second rotating central shaft are supported by shafts in a mutually parallel manner, the first rotating central shaft and the second rotating central shaft are arranged on the support plates and are enabled to rotate optionally, the cams and the cam engaging parts are arranged on the first rotating central shaft and are applied with force by the press force applying devices, the stopping parts are arranged on and rotate with the second rotating central shaft integrally, and the stopping blocks are arranged on assigned positions of the support plates and correspond to the stopping parts of the second rotating central shaft. The stopping parts of the second rotating central shaft are enabled to abut against the stopping blocks to limit the rotating angle of the second rotating central shaft. When the hinge device is in action, the second rotating central shaft stops rotating if the stopping parts of the second rotating central shaft abut against the stopping blocks, and the first rotating central shaft responds to further-applied acting force to start rotating.

The invention provides a flexible reciprocating straight-line type seedling separating device of a pot seedling transplanter. The flexible reciprocating straight-line type seedling separating device comprises a rack, a seedling cup opening and closing device, a flexible straight-line transmission device, a seedling cup moving device, a plurality of seedling cups and a control system, wherein the rack is fixedly provided with the flexible straight-line transmission device; the flexible straight-line transmission device is fixedly provided with the seedling cup moving device; the seedling cup moving device is fixedly provided with the seedling cup opening and closing device; the seedling cup moving device is fixedly provided with the seedling cups; the control system is respectively and electrically connected with a motor of the straight-line transmission device and an air cylinder of the seedling cup opening and closing device; the control system controls the motor to drive the flexible straight-line transmission device to move the seedling cup moving device so as to drive the seedling cups to reach designated positions and receive pot seedlings; the control system controls opening and closing the seedling cups through the seedling cup opening and closing device and enables the pot seedlings to fall in designated seedling falling points. The flexible reciprocating straight-line type seedling separating device provided by the invention is simple in structure, controllable in program and high in reliability; through flexible transmission, movement is stable, and noise and vibration are greatly reduced; the motor drives the seedling cups to do left-right reciprocating straight-line movement, the air cylinder is used for pushing the seedling cups to open and close, the seedling cups vertically face downwards, and the seedling falling posture is better.

A fire extinguishing gas spray device having a gas container (11) in which a pressurized fire extinguishing gas is placed and where a sealing plate (13) is attached to an opening of the container, cases (1, 10) that can receive the gas container (11), a seal breaking member (45) that has a point section (45a) capable of breaking the seal of the sealing plate (13), a seal breaker holder (21) wherethe seal breaking member (45) is installed, and a container holder (15) to which a mouth portion of the gas container (11) is removably attached and that has inside a through-hole (17) that receives the seal braking member (45) in a movable manner. The seal breaker holder (21) and the container holder (15) are approachable relative to each other. Communication paths (31-33) that interconnect the through-hole (17) and a spray hole (3) in an exterior portion are provided with a control valve (38) that can block the communication paths (31-33). A lighting device (48) that can be lit when the sealing of the sealing plate is broken is placed exposed on the surface of the cases (1, 10). The fire extinguishing gas spray device has an annunciator (53) that issues an alarm based on a fire occurrence signal or an earthquake occurrence signal from a disaster alarm device.

The invention discloses a lifting device of a water cargo platform. The lifting device comprises: a main structure; four slings, wherein one ends of the slings are connected to four corners of the main structure, and the other ends of the four slings are connected to hoisting equipment; a link swing pin mechanism arranged inside the main structure; a signal transmit-receive unit, wherein the signal transmit-receive unit is connected to the link swing pin mechanism by signals, so that the link swing pin mechanism are controlled by the signals to open or close; and a storage battery which is arranged in the main structure and is used for providing power for the link swing pin mechanism and the signal transmit-receive unit.

The invention relates to a door lock device of an electric steam box. The door lock device of the electric steam box comprises a control circuit board, a lock arranged in a door body and a box body ofan electric steam box in a matched mode, and a first driver electrically connected with the control circuit board. The lock comprises a first magnet and a magnetic pole assembly. The first magnet isembedded in the door body; the magnetic pole assembly is arranged in the box body corresponding to the position of the first magnet; the first driver is in driving connection with the magnetic pole assembly, one magnetic pole face of the first magnet faces the magnetic pole assembly, and the first driver can drive the magnetic pole assembly to rotate so that different magnetic poles in the magnetic pole assembly can face the first magnet, and then the first driver and the first magnet can attract or repel each other to close and open the door body. The door lock device of the electric steam box can achieve automatic steam discharge of the electric steam box, the steam discharge speed is high, and the electric steam box is more sanitary to use.

An electronic device includes a housing, a support member coupled to the housing, a trigger member coupled to the support member, a sliding member, a first magnet member coupled to the sliding member, and a second magnet member coupled to the support member. The first magnet member includes two first magnets and a second magnet coupled to the corresponding first magnet. The magnetic pole of the first magnets is opposite to the magnetic pole of the second magnet. The second magnet member includes a third magnet and two fourth magnets. The magnetic pole of the third magnet is same as the magnetic pole of the second magnet. The magnetic pole of the fourth magnets is same as the magnetic pole of the first magnets.

The invention discloses a welding tire film. The welding tire film comprises a base and a locating tire film, the locating tire film is arranged on the base, a cavity used for supporting a car decorative part is arranged on the locating tire film, and a pulling-tight mechanism of a radar support is arranged on the base. The pulling-tight mechanism comprises pulling-tight claws, a first driver anda second driver. The pulling-tight mechanism of the radar support is arranged on the base, the pulling-tight claws on the radar support are connected with the drive of the first driver in a matched mode to realize opening and closing motions, the radar support can be clamped, the second driver can drive a whole formed by the first driver and the pulling-tight claws to move to pull the radar support tightly, the pulling-tight mechanism can stably pull and clamp the radar support to a bumper, the assembly efficiency of the radar support is greatly improved, and the welding effect of the radar support on the bumper is improved.

To improve precision in the injection amount of a fuel injection valve, the opening and closing action of a valve body must be performed quickly. In a structure in which the fluid force produced in a seat of a valve body is not transmitted immediately after a needle begins to move, adhesion between an end surface of an anchor and an end surface of a stationary core must be impeded and these end surfaces must be prevented from sticking together. To solve this problem, the present invention is a structure in which a valve body of an electromagnetic fuel injection valve comprises a second valve body in contact with the anchor when the valve is closed, and a first valve body in contact with the anchor while the valve is opening. The second valve body comes in contact with a stroke stopper disposed on the inner periphery of the stationary core when the valve opens, the lengths of the first valve body and the second valve body are stipulated so that the stationary core and the anchor do not come into direct contact and a gap is ensured when the valve opens, and the process of plating the stationary core and the anchor is discontinued.

The invention relates to the technical field of electric cookers, in particular to an electric cooker and a control method thereof. The electric cooker comprises a cooker body; an inner pot which is at least partially arranged in the cooker body; a cooker cover which is selectively arranged on the cooker body in an opening and closing manner; a temperature sensing bag which is suitable for detecting the temperature of the inner pot; and an opening and closing mechanism which is suitable for opening the cooker cover relative to the cooker body when the temperature of the inner pot is higher than a preset temperature. According to the electric cooker provided by the invention, the cooker cover is opened relative to the cooker body, food overflow caused by bubbles generated by overturning in the cooker during continuous high-power heating is prevented, and the bubbles in the cooker are accelerated to be broken by controlling the cooker cover to be opened, so that the situation that the bubbles are easy to overflow in the cooking process is reduced; in addition, a user can conveniently and continuously perform high-power heating, cooking time is shortened, and user experience is improved.

The invention relates to a concrete protective door and a production process thereof. The concrete protective door comprises a door frame and a door plate, a hinge device and a door bolt device are connected between the door frame and the door plate, the door bolt device comprises an embedding groove located in the door frame and a lock bolt located in the door plate, and the lock bolt is connected with a driving assembly enabling one end of the lock bolt to slide in the embedding groove; the door plate is internally provided with a guiding sliding channel used for placing the lock bolt, and one end of the guiding sliding channel communicates to one end of the door plate and corresponds to the embedding groove in position; and the end, facing the embedding groove, of the door plate is provided with a placement cavity, the placement cavity communicates with the guiding sliding channel and is internally provided with a buffer mechanism, the buffer mechanism comprises a bearing frame, a buffer part and a pressure-bearing plate, one side of the pressure-bearing plate is connected with the buffer part, and the other side of the pressure-bearing plate abuts against the side wall of the lock bolt. The concrete protective door has the effects that a worker shifts the lock bolt inside through the driving assembly, and the lock bolt is reset easily.

The invention discloses a waste compression dustproof turnover box in a non-woven fabric production process. The waste compression dustproof turnover box in the non-woven fabric production process comprises a turnover box body, a driving assembly, a first opening and closing assembly and a second opening and closing assembly; the turnover box body is a hollow cavity with an opening in the upper portion; the driving assembly is arranged on the outer side wall of the turnover box body; the first opening and closing assembly and the second opening and closing assembly are both arranged in the turnover box body; and the first opening and closing assembly and the second opening and closing assembly are symmetrically arranged relative to the middle of the driving assembly. The invention belongs to the technical field of textile equipment, and particularly provides the waste compression dustproof turnover box in the non-woven fabric production process which can achieve the purposes of real-time collection, real-time compression and convenient taking during online non-woven fabric cutting, can effectively prevent dust, greatly saves the production space and facilitates packaging treatment of non-woven fabric waste edges in the later period.

The invention discloses a driving device of an upper clamp die and an lower clamp die of a left-right integrated pipe bending machine, which has the advantages of simple structure and low cost. The driving device comprises a machine head and a pipe bending arm movably arranged on the machine head, the pipe bending arm is provided with an upper clamp die seat, a lower clamp die seat, a clamp cylinder, an upper connecting rod group and a lower connecting rod group, wherein the upper clamp die seat and the lower clamp die seat respectively correspond to an upper clamp die and a lower clamp die, the upper connecting rod group and the lower connecting rod group respectively correspond to the upper clamp die seat and the lower clamp die seat, the end of the piston rod of the clamp cylinder is movably provided with a connecting rod, and the two ends of the connecting rod are respectively connected with the upper connecting rod group and the lower connecting rod group. The structure of the invention is very simple, the clamp cylinder is respectively connected with the upper connecting rod group and the lower connecting rod group through the connecting rod, thereby realizing the opening and closing motion of the upper clamp die and the lower clamp die and greatly reducing the manufacturing cost.

The invention discloses a conveniently opened arc gate which effectively solves the problems that the size of a gate opening of an existing gate cannot be adjusted according to the height of water level, and the existing gate is inconvenient to use. The conveniently opened arc gate comprises an upper arc door and a lower arc door hinged to the lower side of the upper arc door, both the upper arc door and the lower arc door can swing up and down, a reinforcing plate is fixed to the right side of the upper arc door and positioned in the middle of the upper arc door in forward and backward directions, a first connecting rod positioned on the right side of the reinforcing plate is hinged to the front end face of the reinforcing plate, a second connecting rod is hinged to the lower end of the first connecting rod, a free end of the second connecting rod and the lower arc door are hinged together, a first supporting plate and a second supporting plate are fixed to the front and the back of the upper arc door, and free ends of the first supporting plate and the second supporting plate are jointly hinged to walls on corresponding sides. The conveniently opened arc gate is simple in structure, original in conception, convenient to operate and high in practicability.

The invention relates to battery processing device assemblies, in particular to a die separating and combining mechanism of a storage battery cast-welding machine. The die separating and combining mechanism of the storage battery cast-welding machine comprises a supporting frame, two thin air cylinders, a left die, a main die, a right die, an edge die, an induction heating coil, four supporting columns, four connecting shafts, four flange linear bearings and a double-shaft air cylinder. The main die and the supporting frame are connected through the four supporting columns. The left die and the right die are respectively connected with an extending shaft of the corresponding thin air cylinder and two corresponding connecting shafts simultaneously. The thin air cylinders are fixed to the supporting frame. The double-shaft air cylinder is installed below the main die. The operation end of the double-shaft air cylinder is connected with the edge die. The induction heating coil is placed in a clamping groove of the left die, a clamping groove of the right die, a clamping groove of the main die and a clamping groove of the edge die through small cushion blocks.

The invention discloses a welding membrane, which comprises a base and a positioning membrane. The positioning membrane is arranged on the base, and a cavity for supporting automobile decorations is arranged on the positioning membrane. A radar bracket is arranged on the base. A tightening mechanism, the tightening mechanism includes a tightening claw, a first driver, and a second driver; through the tightening mechanism provided with a radar bracket on the base, the tightening claw on the radar bracket is connected to the first driver. The drive can realize the opening and closing action, so that the radar bracket can be grasped, and the second driver can drive the first driver and the grip claw to form an integral movement to tighten the radar bracket, so that the gripping mechanism can hold the radar bracket firmly. Pulling and firmly snapping on the bumper greatly improves the assembly efficiency of the radar bracket and improves the welding effect of the radar bracket on the bumper.

The invention discloses a spiral guide machine head body structure. The spiral guide machine head body structure comprises a firing pin, a firing pin spring, a machine frame, a firing pin pin, a machine head rotating pin and a machine head body, wherein a first through hole is formed in the machine head rotating pin, a second through hole allowing the machine head rotating pin to penetrate throughis formed in the top of the front end of the machine frame in the radial direction, a center through hole is formed in the machine frame and communicates with the through holes, a pin hole is formedin the rear end of the machine frame in the radial direction, the machine head body is arranged at the front end of the machine frame, locking teeth are arranged at the front end of the machine head body, guide spiral grooves are formed in the circumferential direction of the rear end of the machine head body and are symmetrically arranged along the center of the machine head body, a center through hole allowing the firing pin to penetrate through is formed in the machine head body in the axial direction, and the guide spiral grooves communicate with the center through hole, the machine head body extends into the central through hole of the machine frame and is connected with the machine frame through the machine head rotating pin, the machine head rotating pin moves in the guide spiral grooves to drive the machine head body to complete unlocking and locking actions, and the firing pin penetrates through the machine frame, the machine head rotating pin and the central hole of the machine head body to be connected into a whole.

The invention relates to a concrete protective door and a production process thereof, which comprises a door frame and a door panel, a hinge device and a door bolt device are connected between the door frame and the door panel, and the door bolt device includes a fitting groove in the door frame and a The lock tongue in the lock tongue is connected with a drive assembly that makes one end of the lock tongue slide in the fitting groove; the door panel is provided with a guide slideway for placing the lock tongue, and the guide slideway One end is connected to one end of the door panel and corresponds to the position of the fitting groove; one end of the door panel facing the fitting groove has a placement cavity, the placement cavity communicates with the guide slide, and a buffer mechanism is provided in the placement cavity, The buffer mechanism includes a bearing frame, a buffer piece and a pressure bearing plate. One side of the pressure bearing plate is connected to the buffer piece and the other side is in conflict with the side wall of the lock tongue. The present invention has the effect that the dead bolt is easily reset by the staff member turning the dead bolt internally through the driving assembly.

The invention discloses a synchronous opening and closing bottle outflow connecting line mechanism which comprises a left fixing plate, a right fixing plate, a left horizontal moving side plate, a right horizontal moving side plate, a horizontal moving bottle receiving guide rail, a left rotating side plate, a right rotating side plate, a rotating bottle receiving guide rail, a horizontal moving connecting plate, an opening and closing guide shaft, opening and closing guide rails, a guide rail fixing base, an opening and closing connecting rod and a rotating connecting rod. The whole mechanismis fixed to a machine table through the left fixing plate and the right fixing plate, under driving of an air cylinder, the two opening and closing guide rails installed on the guide rail fixing basemove in the X direction, the opening and closing guide rails drive the guide rail connecting rod, and x-direction movement of the air cylinder is converted into Y-direction movement of the horizontalmoving connecting plate and the left and right horizontal moving side plates. Meanwhile, the left and right rotating side plates are driven to rotate along the axis of the rotating connecting rod through the opening and closing connecting rod fixed to the left and right horizontal moving side plates to realize the opening and closing actions of the whole mechanism.

A motor (10) is applied to a shutter device (1) and a camera device with the shutter device (1), and comprises a printed circuit board assembly (12) with a winding (120), a stator core (13), a rotor (14) and a magnet (15) mounted on the rotor (14). The printed circuit board assembly (12) has a first side (121) and a second side (122). The stator core (13) is mounted on the first side (121) of theprinted circuit board assembly (12), and the winding (120) is disposed around the stator core (13). The rotor (14) and the magnet (15) are mounted on the second side (122) of the printed circuit boardassembly (12) and are spaced apart from the winding (120). The motor (10) has a flattened structure, thereby facilitating miniaturization of the shutter device (1).

Disclosed is a hinge apparatus for a personal mobile terminal which can enhance safety and reliability. The hinge apparatus of the personal mobile terminal for connecting a second main body to a first main body so as to be able to open / close, comprises: link connection portions, each of which is rotatably connected to the first main body and the second main body, for guiding the movement of the second main body with respect to the first main body; an actuator for providing driving force to the link connection portions to allow semi-automatic opening and closing of the second main body with respect to the first main body; and a damping portion for providing damping force to the link connection portions to reduce the speed of movement of the second main body in a certain section of the opening / closing sections of the second main body.

The invention belongs to the technical field of robots, and particularly relates to an electric gripper device, which includes: a base frame; two hypocycloidal gear sets, the hypocycloidal gear sets include an external gear and an internal gear, and the diameter of the pitch circle of the external gear is Twice the diameter of the pitch circle of the inner gear, the outer gear meshes with the inner gear, and the outer gear is fixed on the base frame; two output connectors, the first end of the output connector is fixed at the center of the inner gear, and the output connector The second end is provided with a positioning column; the guide rail includes a linear guide groove, and the two positioning columns slide through the linear guide groove; two jaw execution parts, and the two jaw execution parts are respectively connected with the two positioning columns; The drive assembly is used to drive two hypocycloid gear sets and make the centers of the two internal gears rotate synchronously around the centers of the corresponding external gears, so as to realize the opening and closing action of the jaws and eliminate the movement of the linkage mechanism of the existing electric jaws singular point.

The invention relates to a pump room airtight door remote control device which comprises a door opening and closing hydraulic oil cylinder used for driving a waterproof gate to be opened and closed, an electromagnetic reversing valve A communicated with the door opening and closing hydraulic oil cylinder, a locking oil cylinder used for driving a locking mechanism to be opened and closed, and an electromagnetic reversing valve B communicated with the locking oil cylinder. A cylinder body of the door opening and closing hydraulic oil cylinder is hinged to a water gate frame of the waterproof gate, and a piston rod of the door opening and closing hydraulic oil cylinder is hinged to a water gate body of the waterproof gate. The control method of the remote control device for the pump room air-tight door is used for the remote control device for the pump room air-tight door. Compared with the prior art, the remote control device for the pump room air-tight door has the following beneficialeffects that a hydraulic station and an electromagnetic valve are used for controlling a hydraulic cylinder, driving the air-tight door and achieving opening and closing actions, a locking device isarranged on the air-tight door, in addition, a video monitoring system is installed, remote visual operation is achieved, safety and reliability are improved, and the remote control device is simple in structure and convenient to use. Remote automatic operation is achieved.

The invention provides an image forming device. The drive transmission unit included in the image forming apparatus includes a first drive transmission unit and a second drive transmission unit. The first drive transmission unit transmits the rotational driving force of the motor rotating in the first rotational direction to the toner container, thereby conveying the toner contained in the toner container in a predetermined direction, and restricting the The rotational driving force of the motor rotating in the second rotational direction is transmitted to the toner container. The second drive transmission part transmits the rotational driving force of the motor rotating in the second rotation direction to the container cover, thereby changing the state of the container cover from the closed state to the open state, and restricting the movement to the container cover. The rotational driving force of the motor rotating in the first rotational direction is transmitted to the container cover. Accordingly, the opening and closing operation of the container cover for opening the toner container to the outside can be realized at low cost.

The invention relates to an air conditioner. The air conditioner provided in the invention is characterized by including the components as following: a body, which possesses an air discharge portion for discharging air after conditioning; an open / close panel, which is arranged to be movable for opening the air discharge portion; a driving portion, which is used for driving the open / close panel; a first gear, which can be driven by the driving portion to rotate; a movement guiding portion, which possesses a second gear which is linked to the first gear and can move linearly; and a fixation guiding protion, which fixes the body and possesses a floating-prevented portion for guiding the movement guiding portion to move. A guiding channel is formed on the movement guiding portion for accommodating at least part of the movement guiding portion.

The invention provides an electromagnetic independent opening and closing sunshade curtain. The electromagnetic independent opening and closing sunshade curtain comprises a driving system, a top beam,guide rails, a curtain mat, shifting forks, electromagnetic devices and a controller. The guide rails are vertically arranged on the two sides, and the top beam is fixed to the top between the guiderails. The driving system is installed on the top beam and is connected with the top end of the curtain mat. The curtain mat comprises curtain body sets and curtain bottom pieces, wherein the curtainbody sets and the curtain bottom pieces are connected with each other, and each curtain body set is composed of curtain strips, connecting blocks and turning pieces. Top hinge hooks of the connectingblocks are hinged in bottom hinge grooves, and bottom hinge hooks are hinged in top hinge grooves; back hinge hooks are arranged at the tops of the turning pieces and are hinged to the bottom hinge grooves of the curtain strips; opening and closing terminals are convexly arranged at the side ends of the turning pieces; and the curtain bottom pieces are connected to the bottom end of the curtain mat. The electromagnetic devices are arranged in the guide rails along the guide rails, the shifting forks are fixedly arranged at the telescopic ends of the electromagnetic devices, and vertically-through channels are formed in the shifting forks. Half opening of any area can be controlled, and the requirements of any indoor person are met.

The invention discloses a bag receiving and opening device of a packing machine, and belongs to the field of packing machines. The device comprises a bag receiving and conveying mechanism and a bag opening mechanism; the bag receiving and conveying mechanism includes a bag bearing plate, and a translation mechanism capable of enabling the bag bearing plate to perform a reciprocating motion between a bag receiving station and a bag opening station; the bag bearing plate is provided with an absorbing hole in one side corresponding to the position of a bag opening of a prefabricated bag; the bag opening mechanism includes a bag opening jaw; and the side surface of the bag opening jaw is arched. The device can reduce the working load of a negative pressure device, reduces the energy consumption, and can accurately convey the prefabricated bag to the bag opening station to prevent the phenomenon of incapability of smooth actuation of the bag opening action and the bag blasting phenomenon caused by incapability of conveying the prefabricated bag in place.

The invention relates to an umbrella rib honeycomb structure, umbrella ribs and an umbrella. The umbrella rib honeycomb structure can be applied to the umbrella ribs and the umbrella, and comprises alower honeycomb and a first limiting part, an elastic part with fixed axial position and realizing the opening and closing function is arranged on the outer wall of the lower honeycomb, and when the lower honeycomb upwards moves to a preset position, the elastic part is triggered by the first limiting part to be opened and closed for realizing locking; the lower honeycomb is provided with a movable part, the movable part can perform axial movement within the preset journey along the lower honeycomb, and the synchronous movement of the lower honeycomb is controlled outside the preset journey; and a triggering part is arranged on the movable part, and the triggering part can trigger the elastic part for realizing unlocking when the movable part moves within the preset journey. When the improved honeycomb structure is applied to the umbrella, the operation is safer and more reliable, the injuries to hands can be basically avoided, meanwhile, holes do not need to be formed in the umbrellaribs, so that the strength of the umbrella ribs is guaranteed, and compared with the simple concave-convex mode, the honeycomb structure provided in the technical scheme has the advantage that the locking effect is stable and reliable.

The invention discloses a cooker cover device of an embedded electric pressure cooker. The device comprises: a cabinet body which is provided with an accommodating inner cavity, wherein one side of the accommodating inner cavity is provided with an opening, and the opening is communicated with the outside; a support frame which can extend out of or retract into the accommodating inner cavity along the opening; a pot body which is arranged on the supporting frame, wherein the pot body is provided with an upward opening; a pot cover which is arranged in the accommodating inner cavity, wherein the pot cover is located above the pot body; a driving part which is arranged on the cabinet body; a movable part which is connected with the cooker cover; and a guide part which is arranged on the cabinet body and provided with a guide rail, wherein the driving part drives the movable part to move on the guide rail of the guide part to drive the cooker cover and the cooker body to open and close. According to the cooker cover device of the embedded electric pressure cooker, the driving part drives the movable part to move on the guide rail of the guide part, the opening and closing actions of the cooker cover and the cooker body are realized, and the opening and closing actions of the cooker cover and the opening of the cooker body are completed in the accommodating inner cavity of the cabinet body, and therefore the situation that the cooker cover occupies the kitchen space can be effectively avoided. The device can be applied to cooking utensils.