37results about How to "Reduce side to side swing" patented technology

The invention discloses a support structure of a seat. The structure comprises a tray support and a seat plate arranged on the tray support, wherein a swinging component is arranged between the tray support and the seat plate; the swinging component comprises an upper substrate and a lower substrate arranged up and down; the upper substrate is fixedly connected to the bottom of the seat plate; thelower substrate is fixedly connected to the top of the tray support; an elastic piece and a plurality of connectors are arranged between the upper substrate and the lower substrate; the plurality ofconnectors are linearly arranged in front and back parts; and the elastic piece is arranged around the connectors. The plurality of connectors are arranged on the swinging component of the seat support structure, the plurality of connectors are linearly arranged at front and back parts, so that the seat can swing left and right, the forward and backward swinging of the seat can be constrained, andthe forward and backward swinging of the seat can be reduced. In addition, an elastic support block is arranged between the upper substrate and the lower substrate, when the upper substrate is swinging, the elastic support block acts as a pivot, gravity suffered by the upper substrate is mainly concentrated on the elastic support block, and the upper substrate swings by using the elastic supportblock as the pivot.

A stabilizing structure of a furniture drawer comprises a drawer body formed in a furniture body and opened and closed through slide rail modules in a pushing and pulling mode, wherein the drawer body comprises side plates, a rear back plate, a base plate and a front side plate, the slide rail modules are arranged on two sides of the drawer body in a left-right mode, and each slide rail module is formed by assembling, at least, a fixed slide rail and a movable slide rail. The fixed slide rails are fixedly arranged on the side walls of the furniture body, the drawer body is detachably arranged on the movable slide rails, stabilizing devices are arranged on the left movable slide rail and the right movable slide rail and provided with rolling wheels, the rolling wheels are in coupled connection with the side walls of the furniture body in a rolling-limiting mode at least when the drawer body is opened and closed in a pushing and pulling mode, so that left-right swing relative to the two side walls of the furniture body is reduced when the drawer body is opened and closed in the pushing and pulling mode. By means of structural improvement, the stabilizing structure has the advantages of being simple and reasonable in structure, reliable in performance, low in manufacturing cost, convenient to operate, smooth to push and pull, swing-free, low in noise and the like and is high in practicability.

A stabilization structure of a furniture drawer comprises a drawer body which is pushed and pulled to be closed and opened on a furniture body through slide rail assemblies. The drawer body comprises side plates, a back plate, a bottom plate and a front face plate. The slide rail assemblies are horizontally arranged on the two sides of the drawer body. Each slide rail assembly is at least formed by assembling a fixed slide rail and a movable slide rail, wherein the fixed slide rail is fixedly arranged on the side wall of the furniture body, and the drawer body is detachably arranged on the movable slide rail. A cavity is formed in each side plate. A rear connection device and a front connection device which are used for connecting the back plate and the front face plate are arranged on each cavity. Stabilization devices are arranged on the left rear connection device and the right rear connection device and provided with wheels. The wheels and the side walls of the furniture body are coupled in a rolling and limited mode at least when the drawer body is pushed and pulled to be closed and opened, and therefore the horizontal swinging, relative to the two side walls of the furniture body, generated when the drawer body is pushed and pulled to be closed and opened is reduced, and practicability is high.

The invention discloses a furniture drawer limiting device. The furniture drawer limiting device comprises a drawer main body, wherein the drawer main body is arranged on a furniture main body through a sliding rail component in a push-pull and open-close way; the sliding rail component is at least formed by fixed sliding rails and movable sliding rails; the fixed sliding rails are fixedly arranged on the left side wall and the right side wall of the furniture main body; the drawer main body is detachably arranged on the movable sliding rails; the drawer main body comprises a left side panel, a right side panel, a rear panel, a bottom panel and a front panel; the left side panel and the right side panel or two sides of the rear panel are respectively provided with a limiting device; the limiting devices are roller type limiting devices and are respectively arranged on the left side panel and the right side panel or the two sides of the rear panel; each limiting device comprises a roller and an adjusting component; the left side wall and the right side wall of the furniture main body are basically and parallelly arranged; the rollers are rotationally arranged on the adjusting components and are at least coupled to the left side wall and the right side wall of the furniture main body in a rolling and limiting way when the drawer main body is opened or closed in a push-pull way. The furniture drawer limiting device disclosed by the invention has the characteristics that the structure is simple and reasonable, the performance is reliable, the manufacturing cost is low, the operation is convenient, and a push-pull process is smooth, swinging-free and low-noise; the practicability is high.

The invention discloses a ground radar antenna reflecting plate, which comprises a reflecting plate main body, wherein the reflecting plate main body is composed of a left block and a right block, theupper end of the left block is provided with a left hinge plate at the right side edge position, the upper end of the right block is provided with a right hinge plate at the left side edge position,and the upper ends of the left hinge plate and right hinge plate are provided with a limit plate. In the invention, the reflecting plate adopts an automatic folding technology, requirements of maneuvering performance indexes of radar complete vehicle are met, the unfolding and disassembling speed is high, the operation is convenient, the volume is compact after the disassembly, the transportationis facilitated, and the stability of the reflecting plate at the transportation state can be improved. Meanwhile, the interference generated between a radiation rod and other structural members, whichaffects the use, in the processing unfolding and folding process of the reflecting plate is prevented, the unfolding and folding between the left block and the right block on the reflecting plate adopts a movement mode with degrees of freedom, the influences of gravity and external wind load can be overcome, and the left block and the right block are synchronously folded and unfolded along with aleft connecting rod and a right connecting rod.

The invention discloses a backpressure valve capable of achieving automatic slurry injecting, and belongs to the technical field of drilling equipment. The backpressure valve comprises a valve body, a valve element and a support base and a valve base which are arranged in the valve body, wherein the support base is located under the valve base. The backpressure valve is characterized in that a piston is arranged in the valve body and arranged on the valve element in a sleeving mode, the valve base comprises an upper valve base body and a lower valve base body, the upper valve base body is located between the piston and the valve body, a slurry reflux tank hole is formed in the upper valve base body and communicated with an inner cavity of the valve body, and a slurry reflux hole is formed in the valve body and communicated with the slurry reflux tank hole. According to the backpressure valve, due to the fact that slurry in a well can be automatically injected into a drill pipe and does not need to be injected into the drill pipe by connecting a slurry injection device to the drill pipe whenever a part of the drill pipe is put down, the work amount is greatly decreased, the slurry injecting cost is effectively reduced, the condition that the slurry in the well is reversely sprayed into the drill pipe through an inner cavity of the valve body is effectively prevented, and then well drilling safety is guaranteed.

A removable limiting device of a furniture drawer comprises a drawer body pushed and pulled on a furniture body through a sliding rail assembly to be closed and opened. The drawer body comprises a left side plate, a right side plate, a rear back plate, a bottom fixing device and a front face plate; the left end and the right end of the rear back plate are each provided with a removable limiting unit, and alternatively the rear end of the left side plate and the rear end of the right side plate are each provided with a removable limiting unit; each limiting unit comprises a rolling wheel clamping mechanism and an adjusting mechanism, each rolling wheel clamping mechanism is clamped on the corresponding adjusting mechanism in a removable mode, each rolling wheel clamping mechanism at least comprises a rolling wheel, and the rolling wheel clamping mechanisms at least are in coupling connection with the left sidewall and the right sidewall of the furniture body in a rolling limiting mode when the drawer body is pushed and pulled to be closed and opened. By means of the structural improvement, the removable limiting device has the advantages of being simple and reasonable in structure, reliable in performance, low in manufacturing cost, rapid to operate, convenient to maintain, high in universality, smooth and free of swing in the push-pull process and high in practicability.

The invention discloses a grouting method for a drilling rod and belongs to the technical field of drilling. The grouting method is characterized by comprising the following steps: a, connecting the upper end of a back pressure valve with the drilling rod, and connecting the lower end of the back pressure valve with a drilling tool; b, tripping the drilling tool and the back pressure valve in a well, enabling slurry in the well to reflux into the drilling rod from bottom to top by a self-grouting channel of the back pressure valve, and finishing automatic grouting of the drilling rod; c, positively circulating the slurry, downwards moving a piston in the back pressure valve to block a slurry reflux groove hole and closing the self-grouting channel. According to the grouting method disclosed by the invention, reverse spraying of the slurry in the well can be prevented and the slurry in the well is enabled to automatically reflux into the drilling rod, and the operation that the grouting device is connected and pours the slurry into the drilling rod once a part of the drilling rod is laid down is not needed, so that the workload is greatly reduced, and the grouting cost is effectively reduced.

The invention discloses a truss string structure internally provided with inclined guy ropes. The truss string structure comprises a top chord, a web member, knot sleeves, a lower cable and the inclined guy ropes, wherein the top chord is connected with the web member in a penetrating manner by way of welding, the lower end of the web member is connected with the knob sleeves, the lower cable penetrates through both rear ends of each knob sleeve and is fixed on support knobs at both ends respectively, the inclined guy ropes are symmetrically arranged, the lower ends of the inclined guy ropes are fixed on the support knobs and the upper ends of the inclined guy ropes are connected with the fixed knot of an upper cable; the fixed knot of the upper cable can be any intersection point between the top chord and the web member in a span scope of the truss string structure which is 1 / 5 to 1 / 3 far from adjacent support knobs. A pre-tress system which can provide bidirectional resistance is formed by the lower cable and the inclined guy ropes and the system can be suitable for wind suction loads. The truss string structure disclosed by the invention further has the advantages of small use level of steel products, simple structure, low preparation cost, good performance, easy construction and the like.