Hydraulic oil cylinder capable of being conveniently connected with automobile tailboard

Abstract

The utility model relates to the technical field of hydraulic oil cylinders of automobile tailboards, in particular to a hydraulic oil cylinder capable of being conveniently connected with 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 arranged on the inner wall of the cylinder body, and a connector is fixedly connected with the outer arc surface of the cylinder body. A connector is arranged on the upper surface of the telescopic rod and communicates with the interior of the cylinder body, a connecting assembly is arranged on the upper surface of the telescopic rod and comprises a sleeving unit, the sleeving unit comprises a positioning frame, the positioning frame is fixedly connected with the upper surface of the telescopic rod, and limiting frames are fixedly connected to the front side and the rear side of the positioning frame. According to the hydraulic oil cylinder assembly, the connecting assembly is arranged, so that the efficiency of mounting the hydraulic oil cylinder by assembling personnel is improved, the problem that the mounting efficiency is limited by the screwing speed of a bolt when the hydraulic oil cylinder and the automobile tailboard are connected through the bolt is solved, and the mounting convenience of the hydraulic oil cylinder is 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 convenient for connecting with an automobile tailgate. BACKGROUND

[0002] The automobile tailgate hydraulic oil cylinder is a key power component of an automobile tailgate system, mainly comprising a cylinder barrel, a piston, a piston rod, a sealing element and an oil inlet and outlet, and is based on Pascal's law. The hydraulic oil enters and exits the cylinder chamber to push the piston, and the piston rod drives the tailgate to lift or overturn, so that the tailgate is more convenient and efficient for loading and unloading goods, and plays an important role in the logistics and transportation industries.

[0003] The prior art such as the utility model with publication number CN217976815U discloses an automobile hydraulic tailgate oil cylinder. The patent adopts a hydraulic cylinder, a valve block, an oil inlet, an oil cylinder and an emergency switch. The hydraulic cylinder is provided with a valve block at the oil inlet end. A stop valve is arranged on the valve block. The stop valve on the valve block is provided with a manual emergency switch. The stop valve on the valve block is provided with a solenoid. An oil inlet is arranged on the valve block. The existing automobile tailgate hydraulic oil cylinder solves the problem that the oil inlet and outlet are directly connected, the pipeline is long, the joints are many, and the possibility of pipe explosion and falling is very large.

[0004] During the installation of the automobile tailgate hydraulic oil cylinder, the existing hydraulic oil cylinder such as the above needs to be fixed at the installation position of the tailgate by means of a bolt. Since the bolt needs to be tightened for a certain period of time, the assembly efficiency of the hydraulic oil cylinder when connected with the automobile tailgate is limited by the bolt tightening operation, which increases the assembly cycle of the entire installation link. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that the bolt needs to be tightened for a certain period of time in the prior art, which limits the assembly efficiency of the hydraulic oil cylinder when connected with the automobile tailgate, and increases the assembly cycle of the entire installation link, and proposes a hydraulic oil cylinder convenient for connecting with an automobile tailgate.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a hydraulic oil cylinder convenient for connecting with the tailgate of a car, including connecting frame, cylinder body and telescopic link, the upper surface fixed connection of cylinder body and connecting frame, the inner wall of cylinder body installs telescopic link, the outer cam surface fixed connection of cylinder body has joint, the inside of joint and cylinder body is linked, the upper surface of telescopic link is provided with the link assembly, the link assembly includes the sleeve unit, the sleeve unit includes the positioning frame, the upper surface fixed connection of positioning frame and telescopic link, the both sides of positioning frame are fixedly connected with the limiting frame, the upper surface of positioning frame is installed with the buckle frame, the inner wall of buckle frame is inserted with the bolt, the side surface of positioning frame is provided with the fixed hole, the bolt and the inner wall of fixed hole are inserted and connected,

[0007] The link assembly further includes a limiting unit, the limiting unit includes a baffle, the baffle is installed on the side inner wall of the positioning frame, the baffle is fixedly connected with a guide protrusion on the front and back sides, the side inner wall of the positioning frame is provided with a guide groove, and the guide protrusion is slidably connected with the inner wall of the guide groove.

[0008] Preferably, the side surface of the bolt is fixedly connected with a connecting plate, the connecting plate is in contact with the side inner wall of the positioning frame, and the surface of the baffle is in contact with the connecting plate. The connecting plate can connect the upper and lower bolts, so that the staff can conveniently install or dismount the bolt, the efficiency of installing or dismounting the bolt is improved, and the convenience of installing the hydraulic oil cylinder is improved.

[0009] Preferably, the positioning frame is provided with a receiving cavity in the inside of the side inner wall, a positioning pin is slidably connected to the inner wall of the receiving cavity of the positioning frame, the surface of the baffle is provided with a positioning hole, the positioning pin is inserted into the inner wall of the positioning hole, the side surface of the positioning pin is fixedly connected with a limiting spring, the side, away from the positioning pin, of the limiting spring is fixedly connected with the inner wall of the receiving cavity, the lower surface of the positioning pin is fixedly connected with a pressing frame, and the pressing frame is in contact with the lower surface of the positioning frame. The limiting spring can limit the position of the positioning pin, so that the positioning pin can be inserted into the positioning hole in the locked state, the position of the baffle is locked, the baffle can limit the movement position of the connecting plate.

[0010] Preferably, the side surface of the limiting frame is in contact with the buckle frame, and the limiting frame is fixedly connected with the upper surface of the telescopic link. The limiting frame can guide the installation direction of the buckle frame, so that the buckle frame can be accurately aligned with the positioning frame when an assembler installs the buckle frame, and the installation efficiency of the assembler is improved.

[0011] Preferably, the insertion pin penetrates the side surface of the positioning frame, the position of the buckle frame can be locked through the insertion pin, so that the buckle frame can cooperate with the positioning frame in the locked state, the position of the telescopic rod is limited on the reserved connecting part of the automobile tail plate, and linkage between the hydraulic oil cylinder and the tail plate is realized.

[0012] Preferably, the pressing frame is slidably connected with the inner wall of the receiving cavity at one end close to the positioning pin, and the positioning pin can be driven to move under the operation of the assembler through the pressing frame, so that the assembler can conveniently adjust the locked state of the positioning pin.

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

[0014] In the utility model, the efficiency of assemblers in installing the hydraulic oil cylinder is improved through the setting of the connecting assembly, thereby reducing the problem that the installation efficiency is limited by the bolt tightening speed when the hydraulic oil cylinder and the automobile tail plate are connected by bolts, and further improving the convenience of hydraulic oil cylinder installation. BRIEF DESCRIPTION OF DRAWINGS

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

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

[0017] Figure 3 A connecting assembly structure schematic view of the hydraulic oil cylinder convenient for being connected with the automobile tail plate is provided for the utility model;

[0018] Figure 4 A sectional view structure schematic view of the hydraulic oil cylinder convenient for being connected with the automobile tail plate is provided for the utility model; Figure 3

[0019] Figure 5 A partial structure schematic view of the hydraulic oil cylinder convenient for being connected with the automobile tail plate is provided for the utility model;

[0020] Figure 6 A structure schematic view of the hydraulic oil cylinder convenient for being connected with the automobile tail plate in A of the utility model is provided. Figure 5

[0021] LEGEND:

[0022] ​​1, connecting frame; 2, cylinder body; 3, telescopic rod; 4, joint; 5, connecting assembly; 51, sleeving unit; 511, positioning frame; 512, limiting frame; 513, buckling frame; 514, bolt; 515, fixing hole; 516, connecting plate; 52, limiting unit; 521, baffle; 522, guide protrusion; 523, guide groove; 524, accommodating cavity; 525, positioning pin; 526, limiting spring; 527, pressing frame. DETAILED DESCRIPTION

[0023] Please refer to Figures 1-6 The utility model provides a technical scheme: a hydraulic oil cylinder convenient to connect with automobile tailgate, including connecting frame 1, cylinder body 2 and telescopic rod 3, cylinder body 2 is fixedly connected with the upper surface of connecting frame 1, telescopic rod 3 is installed in the inner wall of cylinder body 2, the outer arc surface fixedly connected of cylinder body 2 has joint 4, joint 4 is connected with the inside of cylinder body 2, the upper surface of telescopic rod 3 is provided with connecting assembly 5.

[0024] Specifically, connecting assembly 5 includes sleeving unit 51, sleeving unit 51 includes positioning frame 511, positioning frame 511 is fixedly connected with the upper surface of telescopic rod 3, the front and rear sides of positioning frame 511 are fixedly connected with limiting frame 512, the upper surface of positioning frame 511 is installed with buckling frame 513, the inner wall of buckling frame 513 is inserted with bolt 514, the side surface of positioning frame 511 is provided with fixing hole 515, and bolt 514 is inserted with the inner wall of fixing hole 515.

[0025] Connecting assembly 5 also includes limiting unit 52, limiting unit 52 includes baffle 521, baffle 521 is installed the side inner wall of positioning frame 511, the front and rear sides of baffle are fixedly connected with guide protrusion 522, the side inner wall of positioning frame 511 is provided with guide groove 523, and guide protrusion 522 is slidingly connected with the inner wall of guide groove 523.

[0026] Specifically, the side surface of bolt 514 is fixedly connected with connecting plate 516, connecting plate 516 is in contact with the side inner wall of positioning frame 511, and baffle 521 is in contact with the surface of connecting plate 516.

[0027] In the embodiment: the upper and lower bolts 514 can be connected through connecting plate 516, so that the staff can conveniently install or dismount bolt 514, the installation or dismounting efficiency of bolt 514 is improved, and the convenience of hydraulic oil cylinder installation is improved.

[0028] Specifically, the positioning frame 511 is internally provided with a receiving cavity 524, the positioning frame 511 is slidably connected with a positioning pin 525 on the inner wall of the receiving cavity 524, the surface of the baffle 521 is provided with a positioning hole, the positioning pin 525 is inserted with the inner wall of the positioning hole, the side surface of the positioning pin 525 is fixedly connected with a limiting spring 526, the side of the limiting spring 526 away from the positioning pin 525 is fixedly connected with the inner wall of the receiving cavity 524, the lower surface of the positioning pin 525 is fixedly connected with a pressing frame 527, and the pressing frame 527 is in contact with the lower surface of the positioning frame 511.

[0029] In the embodiment: the position of the positioning pin 525 can be limited by the limiting spring 526, so that the positioning pin 525 can be inserted into the positioning hole in the locked state, and the position of the baffle 521 is locked, so that the baffle 521 achieves the limiting effect on the moving position of the connecting plate 516.

[0030] Specifically, the limiting frame 512 is in contact with the side surface of the buckle frame 513, and the limiting frame 512 is fixedly connected with the upper surface of the telescopic rod 3.

[0031] In the embodiment: the installation direction of the buckle frame 513 can be guided by the limiting frame 512, so that the buckle frame 513 can be accurately aligned with the positioning frame 511 when the assembler installs the buckle frame 513, thereby improving the installation efficiency of the assembler.

[0032] Specifically, the bolt 514 penetrates the side surface of the positioning frame 511.

[0033] In the embodiment: the position of the buckle frame 513 can be locked by the bolt 514, so that the buckle frame 513 can cooperate with the positioning frame 511 to limit the position of the telescopic rod 3 on the reserved connecting part of the automobile tail plate in the locked state, so as to realize the linkage between the hydraulic oil cylinder and the tail plate.

[0034] Specifically, the end of the pressing frame 527 close to the positioning pin 525 is slidably connected with the inner wall of the receiving cavity 524.

[0035] In the embodiment: the positioning pin 525 can be moved under the operation of the assembler by the pressing frame 527, so as to facilitate the assembler to adjust the locked state of the positioning pin 525.

[0036] Working principle: when installing the hydraulic cylinder, the positioning frame 511 is put into the connecting part of the tail plate, the position of the positioning frame 511 is adjusted, so that the positioning frame 511 is buckled to the fixed rod in the connecting part, then the buckle frame 513 is inserted from above the positioning frame 511, the buckle frame 513 is inserted into the guide area formed by the limiting frame 512, when the buckle frame 513 reaches the upper end of the positioning frame 511, the bolt 514 is inserted into the positioning frame 511, then the connecting plate 516 is pushed, the connecting plate 516 pushes the bolt 514, the bolt 514 is inserted into the inner wall of the other side of the buckle frame 513 under the force, when the connecting plate 516 is completely pushed to the side inner wall of the positioning frame 511, the bolt 514 penetrates the fixed hole 515 and is inserted into the inner wall of the other side of the buckle frame 513, then the baffle 521 is pushed upward, the baffle 521 moves away from the hydraulic cylinder under the guidance of the guide block 522 and the guide groove 523;

[0037] When the baffle 521 moves to the maximum distance, the positioning pin 525 coincides with the positioning hole on the baffle 521, the positioning pin 525 loses the constraint of the baffle 521 and the pressure applied to the limiting spring 526, the limiting spring 526 loses the pressure and rebounds, pushing the positioning pin 525 to reset and insert into the positioning hole, to lock the position of the baffle 521, after the baffle 521 is locked, it limits the position of the connecting plate 516 and the bolt 514, the bolt 514 is limited, which can lock the position of the buckle frame 513, the buckle frame 513 is locked, which can cooperate with the positioning frame 511 and the limiting frame 512 to install the telescopic end of the hydraulic cylinder on the automobile tail plate, then the connection operation of the hydraulic cylinder and the automobile tail plate is completed, by setting the connecting assembly 5, the efficiency of the assembler installing the hydraulic cylinder is improved, thereby reducing the problem that the installation efficiency is limited by the bolt tightening speed when the bolt is used to connect the hydraulic cylinder and the automobile tail plate, and further improving the convenience of hydraulic cylinder installation.

Claims

1. A hydraulic cylinder for facilitating connection with a tailgate of a vehicle, 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 outer arc surface of the cylinder (2) is fixedly connected with the joint (4), the joint (4) is communicated with the inside of the cylinder (2), the upper surface of the telescopic rod (3) is provided with the connecting assembly (5), the connecting assembly (5) comprises a sleeving unit (51), the sleeving unit (51) comprises a positioning frame (511), the positioning frame (511) is fixedly connected with the upper surface of the telescopic rod (3), the front and rear sides of the positioning frame (511) are fixedly connected with limiting frames (512), the upper surface of the positioning frame (511) is provided with a buckle frame (513), the inner wall of the buckle frame (513) is provided with a bolt (514), and the side surface of the positioning frame (511) is provided with a fixed hole (515); the bolt (514) is inserted into the inner wall of the fixed hole (515). The connecting assembly (5) further comprises a limiting unit (52), the limiting unit (52) comprises a baffle (521), the baffle (521) is installed on the side inner wall of the positioning frame (511), the front and rear sides of the baffle are fixedly connected with guide protrusions (522), and the side inner wall of the positioning frame (511) is provided with a guide groove (523); the guide protrusions (522) and the guide groove (523) are in sliding connection with the inner wall of the guide groove (523).

2. The hydraulic cylinder for facilitating connection with a tailgate of a vehicle according to claim 1, wherein: The side surface of the bolt (514) is fixedly connected with a connecting plate (516), the connecting plate (516) is in contact with the side inner wall of the positioning frame (511), and the surface of the baffle (521) is in contact with the connecting plate (516).

3. The hydraulic cylinder for facilitating connection with a tailgate of a vehicle as claimed in claim 1 wherein: The positioning frame (511) is provided with a receiving cavity (524) in the inside of the side inner wall, a positioning pin (525) is in sliding connection with the inner wall of the receiving cavity (524), the surface of the baffle (521) is provided with a positioning hole, the positioning pin (525) is inserted into the inner wall of the positioning hole, the side surface of the positioning pin (525) is fixedly connected with a limiting spring (526), one side of the limiting spring (526) away from the positioning pin (525) is fixedly connected with the inner wall of the receiving cavity (524), and the lower surface of the positioning pin (525) is fixedly connected with a pressing frame (527).

4. The hydraulic cylinder for facilitating connection with a tailgate of a vehicle as claimed in claim 1 wherein: The side surface of the limiting frame (512) is in contact with the buckle frame (513), and the limiting frame (512) is fixedly connected with the upper surface of the telescopic rod (3).

5. The hydraulic cylinder for facilitating connection with a tailgate of a vehicle as claimed in claim 1 wherein: The bolt (514) penetrates through the side surface of the positioning frame (511).

6. The hydraulic cylinder for facilitating connection with a tailgate of a vehicle as claimed in claim 3 wherein: One end of the pressing frame (527) close to the positioning pin (525) is in sliding connection with the inner wall of the receiving cavity (524).

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