Hydraulic oil cylinder for automobile tailboard

Abstract

The utility model relates to the technical field of hydraulic oil cylinders for automobile tailboards, in particular to a hydraulic oil cylinder for an automobile tailboard, which comprises a connecting frame, a cylinder body and a telescopic rod, the cylinder body is fixedly connected with the upper surface of the connecting frame, the telescopic rod is mounted on the inner wall of the cylinder body, and the upper surface of the telescopic rod is fixedly connected with a positioning frame. A first connector is fixedly connected to the outer circumference of the upper end of the cylinder body, a second connector is fixedly connected to the outer circumference of the lower end of the cylinder body, an auxiliary assembly is arranged on the surface of the cylinder body and comprises a supporting unit, and the supporting unit comprises a fixing frame. According to the hydraulic oil cylinder, by arranging the auxiliary assembly, when the hydraulic oil cylinder is used, the limiting effect on an oil conveying pipeline can be improved, and then the problem that due to the fact that the oil conveying pipeline is too long, extra stress is generated at the joint under the action of the self weight, and the joint breaks down is solved; and the stability and the safety of the hydraulic oil cylinder in a running state are further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile tailgate hydraulic oil cylinder, and particularly relates to a hydraulic oil cylinder for automobile tailgate. BACKGROUND

[0002] The automobile tailgate hydraulic oil cylinder is a very key component in the automobile tailgate system, mainly used for providing power to realize the lifting and overturning action of the tailgate, when the oil pump in the hydraulic system delivers hydraulic oil to a chamber of the oil cylinder through the oil pipe, the pressure of the oil pushes the piston to move, and the piston rod drives the tailgate to complete the lifting or overturning action, the hydraulic oil cylinder makes the operation of the automobile tailgate more convenient and efficient, and can quickly load and unload goods, and plays an important role in the logistics transportation industry.

[0003] The prior art such as the utility model with publication number CN220015687U discloses a hydraulic oil cylinder for automobile tailgate, which adopts an oil cylinder body, an oil cylinder seat, an extension shaft, a first connecting plate, a first connecting piece, a second connecting piece, a second connecting plate, a guide rod, a cover plate, an oil delivery seat, an oil inlet pipe, an oil outlet pipe, a sealing ring, a driver, a valve core and a through hole, solves the problem that the hydraulic oil cylinder is installed at the tail of the automobile and exposed for a long time, which easily causes dust to adhere to the surface of the hydraulic oil cylinder, brings inconvenience to cleaning work and affects the service life of the hydraulic oil cylinder.

[0004] In the process of lifting the automobile tailgate by means of the hydraulic oil cylinder, the oil delivery pipeline of the existing hydraulic oil cylinder such as the above is usually fixed at the joint position, and when in use, due to the long oil delivery pipeline, the long oil delivery pipeline will increase the load of the pipeline and the joint part of the oil cylinder under the action of its own gravity, and when the joint part is in a high load state for a long time, the joint will be loose or the sealing element will be damaged in the subsequent use process. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that the long oil delivery pipeline will increase the load of the pipeline and the joint part of the oil cylinder under the action of its own gravity in the prior art, and when the joint part is in a high load state for a long time, the joint will be loose or the sealing element will be damaged in the subsequent use process, and provides a hydraulic oil cylinder for automobile tailgate.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a hydraulic cylinder for automobile tailgate, including connecting frame, cylinder and telescopic link, the upper surface fixed connection of connecting frame and cylinder, the inner wall of cylinder is installed telescopic link, the upper surface fixed connection of telescopic link has the positioning frame, the outer circle fixed connection of cylinder upper end has joint no.

[0007] The auxiliary assembly further includes a clamping unit, the clamping unit includes a buckle one, the surface fixed connection of buckle one and turnover board, the surface of buckle one is provided with buckle two, the inner wall fixed connection of buckle one has a threaded sleeve, the inner wall of buckle two is inserted with fixed peg, the inner wall of fixed peg is screwed with threaded sleeve.

[0008] Preferably, the side of the bearing plate close to the latch is fixedly connected with a pressing block, the pressing block is slidably connected with the inner wall of the assembly frame, and the pressing block penetrates through the side surface of the fixed frame. The operator can press the pressing block, so that the position state of the bearing plate can be changed conveniently, the bearing plate can be converted from the locked state to the unlocked state, and the angle of the turnover plate can be adjusted by the operator.

[0009] Preferably, the inner walls of the buckle one and the buckle two are fixedly connected with damping pads. The damping pads can increase the friction coefficient between the buckle one, the buckle two and the pipeline, and can reduce the damage to the surface of the pipeline when the buckle one and the buckle two directly clamp the pipeline while increasing the friction coefficient, so that the pipeline in the clamped state is effectively protected.

[0010] Preferably, the lower surface of the turnover plate is in contact with the assembly frame, and one end of the turnover plate close to the fixed frame is arc-shaped. The position of the buckle one can be supported in the locked state through the turnover plate, so that the stability of the buckle one when clamping the pipeline is ensured, and the support effect of the buckle one on the pipeline is enhanced.

[0011] Preferably, the bearing plate penetrates through the lower surface of the turnover plate. The bearing plate can connect the limiting spring and the latch, and can limit the latch in the slot in the locked state under the constraint of the limiting spring, so that the position of the turnover plate is locked.

[0012] Preferably, the threaded sleeve is in contact with the upper surface of the turnover plate, the threaded sleeve is in contact with the side surface of the second buckle, and the position of the second buckle is fixed on the surface of the first buckle through cooperation of the threaded sleeve and the fixing bolt, so that the pipe can be clamped by cooperation of the first buckle and the second buckle.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] In the utility model, the auxiliary assembly is arranged, so that the hydraulic oil cylinder can increase the supporting and limiting effect on the oil conveying pipeline during use, so that the joint part is not loosened and fails due to bearing a large load under the action of the self weight, and the stability and safety of the hydraulic oil cylinder in the running state are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic diagram of the hydraulic oil cylinder for the automobile tail plate is provided for the utility model;

[0016] Figure 2 A bottom view structure schematic diagram of the hydraulic oil cylinder for the automobile tail plate is provided for the utility model;

[0017] Figure 3 An auxiliary assembly structure schematic diagram of the hydraulic oil cylinder for the automobile tail plate is provided for the utility model;

[0018] Figure 4 A supporting unit structure schematic diagram of the hydraulic oil cylinder for the automobile tail plate is provided for the utility model;

[0019] Figure 5 A partial structure schematic diagram of the hydraulic oil cylinder for the automobile tail plate is provided for the utility model;

[0020] Figure 6 A local structure schematic diagram of the hydraulic oil cylinder for the automobile tail plate is provided for the utility model

[0021] Figure 7 A clamping unit structure schematic diagram of the hydraulic oil cylinder for the automobile tail plate is provided for the utility model.

[0022] LEGEND:

[0023] 1, connecting frame; 2, cylinder; 3, telescopic rod; 4, positioning frame; 5, joint one; 6, joint two; 7, auxiliary assembly; 71, support unit; 711, fixed frame; 712, turnover plate; 713, assembly frame; 714, bearing plate; 715, limiting spring; 716, bolt; 717, slot; 718, pressing block; 72, clamping unit; 721, buckle one; 722, buckle two; 723, damping pad; 724, threaded sleeve; 725, fixed bolt. DETAILED DESCRIPTION

[0024] Please refer to Figures 1-7 The utility model provides a technical scheme: a kind of hydraulic oil cylinder for automobile tailgate, including connecting frame 1, cylinder 2 and telescopic rod 3, cylinder 2 is fixedly connected with the upper surface of connecting frame 1, telescopic rod 3 is installed in the inner wall of cylinder 2, the upper surface of telescopic rod 3 is fixedly connected with positioning frame 4, the outer circumference of cylinder 2 upper end is fixedly connected with joint one 5, the outer circumference of cylinder 2 lower end is fixedly connected with joint two 6, the surface of cylinder 2 is provided with auxiliary assembly 7.

[0025] Specifically, auxiliary assembly 7 includes support unit 71, support unit 71 includes fixed frame 711, fixed frame 711 is fixedly connected with the outer circumference of cylinder 2, the inner wall of fixed frame 711 is rotatably connected with turnover plate 712, the inner wall of fixed frame 711 is fixedly connected with assembly frame 713, the inner wall of assembly frame 713 is slidably connected with bearing plate 714, the side surface of bearing plate 714 is fixedly connected with limiting spring 715, the end away from bearing plate 714 of limiting spring 715 is fixedly connected with the inner wall of assembly frame 713, the side away from limiting spring 715 of bearing plate 714 is fixedly connected with bolt 716, the inner wall of turnover plate 712 is provided with slot 717, bolt 716 is inserted with the inner wall of slot 717.

[0026] Auxiliary assembly 7 also includes clamping unit 72, clamping unit 72 includes buckle one 721, buckle one 721 is fixedly connected with the surface of turnover plate 712, the surface of buckle one 721 is provided with buckle two 722, the inner wall of buckle one 721 is fixedly connected with threaded sleeve 724, the inner wall of buckle two 722 is inserted with fixed bolt 725, fixed bolt 725 is threadedly connected with the inner wall of threaded sleeve 724.

[0027] Specifically, the side of bearing plate 714 close to bolt 716 is fixedly connected with pressing block 718, pressing block 718 is slidably connected with the inner wall of assembly frame 713, and pressing block 718 penetrates the side surface of fixed frame 711.

[0028] In the embodiment, the pressing block 718 can be pressed by an operator to change the position state of the bearing plate 714, so that the bearing plate 714 can be converted from the locked state to the unlocked state, and the operator can adjust the angle of the turnover plate 712.

[0029] Specifically, the inner wall of the first buckle 721 and the second buckle 722 is fixedly connected with a damping pad 723, which can increase the friction coefficient between the first buckle 721, the second buckle 722 and the pipeline, and can reduce the damage to the surface of the pipeline when the first buckle 721 and the second buckle 722 directly clamp the pipeline, effectively protecting the pipeline in the clamped state.

[0030] In the embodiment, the turnover plate 712 is in contact with the lower surface of the assembly frame 713, and one end of the turnover plate 712 close to the fixed frame 711 is arc-shaped.

[0031] In the embodiment, the turnover plate 712 can support the position of the first buckle 721 in the locked state, so as to ensure the stability of the first buckle 721 when clamping the pipeline and enhance the support effect of the first buckle 721 on the pipeline.

[0032] Specifically, the bearing plate 714 penetrates the lower surface of the turnover plate 712, and the bearing plate 714 can be connected with the limiting spring 715 and the bolt 716, and the bolt 716 in the locked state can be limited in the insertion slot 717 under the constraint of the limiting spring 715, so as to lock the position of the turnover plate 712.

[0033] Specifically, the threaded sleeve 724 is in contact with the upper surface of the turnover plate 712, and the threaded sleeve 724 is in contact with the side surface of the second buckle 722.

[0034] In the embodiment, the threaded sleeve 724 and the fixing bolt 725 can cooperate to fix the position of the second buckle 722 on the surface of the first buckle 721, so that the second buckle 722 can clamp the pipeline in cooperation with the first buckle 721.

[0035] Working principle: in use, connect the oil pipeline to the joint one 5 and the joint two 6, after the connection is completed, through the connecting frame 1 and the positioning frame 4, the cylinder body 2 and the telescopic rod 3 are respectively installed to the tail and the tail plate, after the installation is completed, the control of the tail plate can be realized by controlling the cylinder body 2 and the telescopic rod 3; after the installation of the oil pipeline is completed, place the oil pipeline in the damping pad 723 at the buckle one 721, immediately take out the buckle two 722, align the damping pad 723 on the buckle two 722 with the oil pipeline, push the buckle two 722, the buckle two 722 pushes the damping pad 723, when the buckle two 722 reaches the surface of the buckle one 721, the damping pad 723 in the buckle two 722 reaches the surface of the oil pipeline, immediately insert the fixing bolt 725 into the buckle two 722, rotate the fixing bolt 725 clockwise with the help of the tool, the fixing bolt 725 is screwed into the threaded sleeve 724, when the fixing bolt 725 is screwed, another fixing bolt 725 is screwed according to the above steps, after the fixing bolts 725 on both sides are screwed, the buckle two 722 can cooperate with the buckle one 721 and the damping pad 723 to clamp the oil pipeline, so as to ensure the stability of the connection part of the oil pipeline, by setting the auxiliary assembly 7, the hydraulic oil cylinder can increase the supporting and limiting effect of the oil pipeline during use, so as to avoid the problem that the joint part bears a large load under the action of its own weight and causes the joint part to loosen and fail, and further improve the stability and safety of the hydraulic oil cylinder in the running state;

[0036] When it is necessary to change the placing direction of the oil pipeline, push the two pressing blocks 718, the pressing blocks 718 extrude the limiting spring 715 in cooperation with the bearing plate 714, the limiting spring 715 is extruded and deformed, and the bolt 716 is pulled out of the slot 717 by the bearing plate 714 and loses the locking of the turnover plate 712, when the turnover plate 712 loses the locking, rotate the turnover plate 712 downward, the turnover plate 712 rotates in the specified direction under the guidance of the two sides convex shafts and the fixed frame 711, and the slot 717 on the turnover plate 712 rotates at the same time, when the turnover plate 712 is rotated, the turnover plate 712 cooperates with the buckle one 721 and the buckle two 722 to drive the oil pipeline to move and gradually change the placing direction of the oil pipeline, when the rotation operation of the turnover plate 712 is completed and a group of recessed areas in the slot 717 coincide with the bolt 716, release the pressing block 718, the bearing plate 714 loses the pressure applied to the limiting spring 715, the limiting spring 715 loses the pressure and rebounds, and cooperates with the bearing plate 714 to push the bolt 716 to reinsert into the slot 717, so as to lock the position of the adjusted turnover plate 712, and then the adjustment operation of the placing direction of the oil pipeline is completed.

Claims

1. A hydraulic oil cylinder for a truck tailgate, comprising a connecting frame (1), a cylinder body (2) and a telescopic rod (3), characterized in that: The cylinder (2) is fixedly connected with the upper surface of the connecting frame (1), the telescopic rod (3) is installed on the inner wall of the cylinder (2), the upper surface of the telescopic rod (3) is fixedly connected with the positioning frame (4), the outer circumference of the upper end of the cylinder (2) is fixedly connected with the joint I (5), the outer circumference of the lower end of the cylinder (2) is fixedly connected with the joint II (6), the surface of the cylinder (2) is provided with an auxiliary assembly (7), the auxiliary assembly (7) comprises a supporting unit (71), the supporting unit (71) comprises a fixed frame (711), the fixed frame (711) is fixedly connected with the outer circumference of the cylinder (2), the inner wall of the fixed frame (711) is rotatably connected with a turnover plate (712), the inner wall of the fixed frame (711) is fixedly connected with an assembly frame (713), the inner wall of the assembly frame (713) is slidably connected with a bearing plate (714), the side surface of the bearing plate (714) is fixedly connected with a limiting spring (715), one end of the limiting spring (715) away from the bearing plate (714) is fixedly connected with the inner wall of the assembly frame (713), one side of the bearing plate (714) away from the limiting spring (715) is fixedly connected with a bolt (716), the inner wall of the turnover plate (712) is provided with a slot (717), the bolt (716) is inserted with the inner wall of the slot (717). The auxiliary assembly (7) further comprises a clamping unit (72), the clamping unit (72) comprises a buckle I (721), the buckle I (721) is fixedly connected with the surface of the turnover plate (712), the surface of the buckle I (721) is provided with a buckle II (722), the inner wall of the buckle I (721) is fixedly connected with a threaded sleeve (724), the inner wall of the buckle II (722) is inserted with a fixed pin (725), the fixed pin (725) is threadedly connected with the inner wall of the threaded sleeve (724).

2. The hydraulic cylinder for a tailgate of a vehicle according to claim 1, characterized in that: The side of the bearing plate (714) close to the bolt (716) is fixedly connected with a pressing block (718), the pressing block (718) is slidably connected with the inner wall of the assembly frame (713), the pressing block (718) penetrates through the side surface of the fixed frame (711).

3. The hydraulic cylinder for a tailgate of a vehicle according to claim 1, characterized in that: The inner walls of the buckle I (721) and the buckle II (722) are fixedly connected with damping pads (723).

4. The hydraulic cylinder for a tailgate of a vehicle according to claim 1, characterized in that: The turnover plate (712) is in contact with the lower surface of the assembly frame (713), one end of the turnover plate (712) close to the fixed frame (711) is arc-shaped.

5. The hydraulic cylinder for a tailgate of a vehicle according to claim 1, characterized in that: The bearing plate (714) penetrates through the lower surface of the turnover plate (712).

6. The hydraulic cylinder for a tailgate of a vehicle according to claim 1, characterized in that: The threaded sleeve (724) is in contact with the upper surface of the turnover plate (712), and the threaded sleeve (724) is in contact with the side surface of the buckle II (722).

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