31results about How to "Small space required for installation" patented technology

The invention relates to a motor vehicle door lock (1), comprising a rotary latch (4) that in a locking position encompasses a locking element (2) and that is pre-tensioned in the direction of an open position releasing the locking element (2), a pawl (7) that, in an engagement position with the rotary latch (4), is engaged in such a manner that the rotary latch (4) is inhibited from moving in the direction of the open position, and a drive element (11), by means of which a coupling section (18) of the pawl is coupled in terms of movement and which moves the pawl (7) between an engagement position and a release position in which the pawl (7) is not engaged with the rotary latch (4), so that the rotary latch (4) can move in the direction of the open position. The invention aims at creating a solution by means of which a reliably working motor vehicle door lock having a compact design is provided both in a simple manner in terms of design and cost-effectively, said motor vehicle door lock being able to make do with a motor operating on a low energy level. This is achieved in that force is applied to the pawl (7) only in the engagement position thereof and the force application holds the pawl (7) in engagement with the rotary latch (4).

The invention discloses a fan-shaped courtyard gate, the structure of which comprises a door frame and a door panel; it is characterized in that the door frame is in the shape of a groove, the lower part is equipped with a transmission motor, and the upper part is provided with a door leaf fixing shaft with bearings; the door panel is a 9-piece door The leaves are formed in the shape of a fan; there is a bearing seat under each door leaf; a door leaf fixed shaft with bearings is arranged on the rear and upper part of the door leaf, and an arc-shaped sliding groove is arranged on the front and upper part of the door leaf; each door leaf passes through the The fixed shafts of the door leaves in between are buckled together with the arc-shaped sliding grooves to form a fan shape; and the transmission bearings on the transmission motor are respectively threaded through the sleeves and fastened to the bearing seats under each door leaf; when the door leaves are unfolded, they open like a fan , to form a door panel; when the door leaf is folded, the door leaf is folded in the door frame; the invention not only realizes a good anti-theft effect, but also removes the cumbersome operations of locking bolts and bolts, saving materials and reducing the cost of the door , and the structure is stable and compact, saving installation space.

The invention provides a water turbine of a direct-connected reel sprinkler irrigation machine, which comprises a water inlet pipe, a turbine cover, an impeller, a turbine housing, a drive shaft and an outlet pipe; Cover; one end of the drive shaft is connected to the impeller, and the other end is connected to the gearbox through the turbine cover; the water inlet pipe includes a conical section and a straight section in turn, and the conical section is in the shape of an arc contraction; the water inlet pipe The central line of the water inlet of the water outlet is parallel to the horizontal direction; the water outlet pipe is straight tapered, and the angle β between the water outlet center line of the water outlet pipe and the horizontal direction is 45-50°; the blades of the impeller are cylindrical, and the blades Divided into arc segment and vertical segment. The invention adjusts the installation position of the water inlet pipe and the water outlet pipe, improves the axial flow path of the existing structure into a tangential flow path, reduces the space required for the installation of the water turbine, makes the structure more compact, and can be directly connected with the gearbox. Simplify the transmission mode, reduce the transmission loss, and achieve the goal of improving efficiency.

The invention discloses a steel bar clamping mechanism on a steel bar truss forming machine. The steel bar clamping mechanism comprises a mounting base (1), wherein one lateral surface of the mounting base (1) is provided with a first driving arm (2), a first driven arm (3), a chuck fixed base (4), a second driven arm (5) and a second driving arm (6) sequentially from left to right; a first chuck(7) is formed between the upper end of the first driving arm (2) and the upper end of the first driven arm (3); a second chuck (8) is formed between the upper end of the first driven arm (3) and the upper end of the chuck fixed base (4); a third chuck (9) is formed between the upper end of the chuck fixed base (4) and the upper end of the second driven arm (5); a fourth chuck (10) is formed between the upper end of the second driven arm (5) and the upper end of the second driving arm (6); and the four chucks can clamp steel bars simultaneously under the driving of a driving device, namely the steel bar clamping mechanism can clamp the four steel bars simultaneously. The steel bar clamping mechanism belongs to the technical field of clamping mechanisms.

The invention provides a mechanical anti-loosening structure of a turnout fastener, which includes an anti-rotation support and an anti-loosening piece. The rail waist and turnout component parts are fastened together, and the anti-rotation support is provided with slots symmetrically on the side facing away from the rail waist; the anti-loosening piece includes an engaging part that fits the outer surface of the nut and has an opening at the bottom , and an inserting part that matches with the slot, the inserting part is fixed on the engaging part; when it is in a fastened state, the engaging part is set over the nut from top to bottom and is in contact with the nut At the same time, the inserting part is inserted into the slot, and the bottom of the engaging part is fixed by a cotter pin. The anti-loosening effect of the present invention is strong, and the anti-rotation support does not need to be against the upper and lower slopes of the rail waist space, and the space required for the installation of the anti-loosening piece is small, so that the anti-loosening structure can be universally adapted to different rail types and bolt hole center heights, and is universal Strong.

The invention discloses a high-pressure waterway control system, which comprises a high-pressure water pump and an operation element control valve, wherein the high-pressure water pump is connected with the operation element control valve through a pipeline; the pipeline is provided with a discharging valve; the water outlet of the discharging valve is communicated with a water tank; the discharging valve is connected in parallel with an easy-start valve; and the water outlet of the easy-start valve is communicated with the water tank. Due to the adoption of the high-pressure waterway control system, the functions of no-loading start, automatic charging and safe overflow safely are compounded; and the high-pressure waterway control system has the advantages of simple and compact structure, convenience for installing and adjusting, reduction in the cost, improvements on the system reliability and the maintainability, and the like.

The invention relates to the technical field of pin shaft structure design, and particularly provides a bearing stop pin shaft for bearing and hinging between a first connecting piece and a second connecting piece. A hollow pin shaft body, a stop piece, a first check ring, a second check ring and a transmission piece are included. The hollow pin shaft body penetrates through the first connecting piece and the second connecting piece. A groove A is formed in one end face of the hollow pin shaft body, and a groove B is formed in the other end face of the hollow pin shaft body. The stop piece sleeves one side of the hollow pin shaft body and coaxially rotates with the hollow pin shaft body. An inner ring of the stop piece is provided with a protruding block A matched with the groove A. A stopboss is arranged on the first connecting piece and drives the stop piece and the first connecting piece to coaxially rotate. The first check ring is fixed to one side of the stop piece, the second check ring is fixed to the other side of the hollow pin shaft body, and the end face of the second check ring is provided with a protruding block B matched with the groove B. The transmission piece penetrates through the hollow pin shaft body, one end of the transmission piece is fixed to the first check ring and coaxially rotates with the first check ring, and the other end of the transmission piece is fixed to the second check ring and coaxially rotates with the second check ring.

The invention relates to a combined electric pump suitable for low inlet pressure and high boosting capacity, which belongs to the engine fuel supply and control system. The combined electric pump is mainly composed of centrifugal pump assembly (a), drive motor (b), gear pump assembly (c) and other parts and components. Through the integrated structural design of centrifugal pump, gear pump and drive motor, low fuel pump intake is realized. Under pressure conditions, it has high cavitation resistance and high supercharging capacity, and provides the fuel function of a certain pressure and flow for the engine. At the same time, a special cooling structure is designed to realize the fuel cooling effect of the drive motor. The combined electric pump of the present invention can be applied to engine fuel supply and regulation systems or other similar medium supply devices with low inlet pressure and high pressurization capacity, to realize the high pressurization and pressure required by the fuel system under the harsh conditions of lower inlet pressure. Wide range of adjustment, and comprehensive functions of fast and precise oil supply.

The invention provides a mortar trolley. The mortar trolley comprises a trolley body, a transmission device, a stirring system and a slurry discharge device. The stirring device comprises a stirring tank and a stirring shaft. The stirring shaft is arranged in the stirring tank, the stirring tank is arranged on the trolley body, and a slurry outlet of the stirring tank is formed in the bottom of the stirring tank end; the slurry discharge device comprises a first driving motor and a slurry outlet pump; the transmission device comprises a second driving motor, a driving wheel, a driving belt and a driven wheel; the driving wheel is driven by an output shaft of the second driving motor to rotate, the driving wheel and the driven wheel are transmitted through the driving belt, the driven wheel is connected to the stirring shaft, and the slurry inlet of the slurry discharge pump is connected to the slurry outlet of the stirring tank. According to the mortar trolley provided by the invention, mortar left in the stirring tank is conveniently cleaned; the transmission deice and the slurry discharge pump are prevented from being damaged by solidified mortar in the stirring tank, so that mortar is normally transported; the mortar conveying speed is increased; on the premise of satisfying the operating requirements of the trolley body, the space required for mounting a wheel set assembly is reduced, and the production cost of the mortar trolley is lowered.