High-performance truck hydraulic tail plate hydraulic cylinder device

Abstract

The utility model discloses a high-performance truck hydraulic tail plate hydraulic cylinder device which comprises an oil cylinder body used for a truck hydraulic tail plate, and two oil ports of the oil cylinder body are respectively and fixedly provided with an adjusting assembly. The adjusting assembly comprises a conveying plate, the conveying plate is fixed to the oil port of the oil cylinder body, the conveying plate is hollow, a ball valve is rotationally installed in the conveying plate, a channel is formed in the ball valve, and the conveying plate is movably blocked by the ball valve. When the hydraulic cylinder needs to quickly move, the ball valve can be rotated, so that the opening between the channel and the transmission plate is enlarged, the flow speed of hydraulic oil is increased, and the action speed of the hydraulic cylinder is accelerated. On the contrary, when the hydraulic cylinder needs to bear a large load, the ball valve can be rotated, the opening between the channel and the transmission plate is reduced, and the flow speed of the hydraulic oil is reduced, so that larger thrust is provided.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydraulic cylinders, and in particular relates to a high-performance hydraulic cylinder device for a hydraulic tailboard of a truck. Background Art

[0002] The working principle of the hydraulic cylinder is based on Pascal's law, which achieves force amplification and direction change through hydraulic transmission. When the hydraulic oil is pumped from the oil tank in the hydraulic system to the oil inlet of the hydraulic cylinder and enters the cylinder body of the hydraulic cylinder, the piston rod of the hydraulic cylinder is connected to the piston and is subjected to pressure to generate thrust. The magnitude of the thrust is related to the pressure of the hydraulic oil and the effective working area of ​​the piston.

[0003] The patent with the application number CN103452946A discloses a new type of hydraulic cylinder, including a piston rod, a large buffer sleeve, a large spring, a piston, a small spring, a small buffer sleeve, a key, an end cover, a throttling oil groove, a buffer chamber, and a balance oil groove. By separating the sealing and throttling functions of the buffer chamber and combining the variable throttling buffer technology formed by the relative sliding between the buffer sleeve and the piston rod, the buffer performance and reliability of the hydraulic cylinder are improved, and the processing accuracy is reduced.

[0004] However, there are some problems with traditional technologies: In traditional hydraulic cylinder design, the size of the oil inlet and outlet is fixed, so that the flow rate of the hydraulic oil always remains constant during the hydraulic drive process. However, this constant flow rate is often not ideal in practical applications.

[0005] When the hydraulic cylinder needs to move quickly or bear a large load, a fixed flow rate may not meet the requirements of fast response and high efficiency. The hydraulic cylinder may show a slow action speed due to insufficient flow rate, or waste energy due to excessive flow rate. Therefore, we propose a high-performance truck hydraulic tailgate hydraulic cylinder device. Utility Model Content

[0006] In view of the problems existing in the prior art, the utility model provides a high-performance truck tailgate hydraulic cylinder device, which solves the problem that when the hydraulic cylinder needs to move quickly or bear a large load, the fixed flow rate may not meet the requirements of fast response and high efficiency. The hydraulic cylinder may show a slow movement speed due to insufficient flow rate, or waste energy due to excessive flow rate.

[0007] The utility model is implemented as follows: a high-performance truck hydraulic tailboard hydraulic cylinder device comprises a cylinder body for a truck hydraulic tailboard, and two oil ports of the cylinder body are respectively fixedly mounted with adjustment components;

[0008] The regulating assembly comprises a transmission plate, which is fixed at the oil port of the oil cylinder body. The transmission plate is hollow, a ball valve is rotatably mounted inside the transmission plate, a channel is opened inside the ball valve, and the ball valve movably blocks the transmission plate.

[0009] As a preferred embodiment of the utility model, a rotating rod is fixedly installed on the upper part of the ball valve, the upper part of the rotating rod passes through the outer wall of the transmission plate and is fixedly connected to a rotating disk, and a connecting seat is fixedly connected to a side of the transmission plate away from the cylinder body.

[0010] As a preferred embodiment of the utility model, a piston is slidably mounted inside the oil cylinder body, and a sliding rod is fixedly connected to one side of the piston.

[0011] As a preferred embodiment of the utility model, a first mounting plate is fixedly connected to one side of the oil cylinder body, and a first bearing is fixedly mounted inside the first mounting plate.

[0012] As a preferred embodiment of the present invention, one end of the sliding rod away from the piston passes through the cylinder body and extends to the outside and is fixedly connected to a second mounting plate, and a second bearing is fixedly installed inside the second mounting plate.

[0013] As a preferred embodiment of the utility model, the first bearing comprises an inner ring, an outer ring is sleeved outside the inner ring, an annular gap is provided between the inner ring and the outer ring, and a plurality of steel balls are rotatably installed in the annular gap between the inner ring and the outer ring.

[0014] As a preferred embodiment of the utility model, the outer ring is provided with a through hole, the upper portion of the first mounting plate is provided with a refueling port, and the refueling port is communicated with the through hole.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] The utility model can achieve precise control of the flow rate of hydraulic oil by adjusting the position of the ball valve, thereby meeting the needs under different working conditions. In addition, since the adjustment component is directly installed at the oil port of the cylinder body, the leakage and energy loss of hydraulic oil can be minimized, and the efficiency of the entire system can be improved. The hydraulic cylinder can adapt to various complex working environments, providing a strong guarantee for the efficient and stable operation of the truck hydraulic tailgate system. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure provided by an embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the adjustment component provided by the embodiment of the utility model;

[0019] Figure 3It is a schematic diagram of the structure of the oil cylinder body provided by the embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the first bearing structure provided by an embodiment of the utility model.

[0021] In the figure: 1, oil cylinder body; 2, adjustment assembly; 3, first mounting plate; 4, first bearing; 5, second mounting plate; 6, second bearing; 7, oil filling port;

[0022] 101. piston; 102. slide rod;

[0023] 201, transmission plate; 202, ball valve; 203, channel; 204, rotating rod; 205, rotating disk; 206, connecting seat;

[0024] 401, inner ring; 402, outer ring; 403, steel ball; 404, through hole. DETAILED DESCRIPTION

[0025] In order to further understand the content, features and effects of the utility model, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0026] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0027] like Figures 1 to 4 As shown, a high-performance hydraulic cylinder device for a hydraulic tailgate of a truck provided by an embodiment of the utility model comprises a cylinder body 1 for a hydraulic tailgate of a truck, and two oil ports of the cylinder body 1 are respectively fixedly installed with adjustment components 2; the adjustment component 2 comprises a transmission plate 201, and the transmission plate 201 is fixed at the oil port of the cylinder body 1, and the transmission plate 201 is hollow, and a ball valve 202 is rotatably installed inside the transmission plate 201, and a channel 203 is opened inside the ball valve 202, and the ball valve 202 movably blocks the transmission plate 201.

[0028] The above-mentioned high-performance truck hydraulic tailgate hydraulic cylinder device is designed to cope with the challenge that the fixed flow rate of the traditional hydraulic cylinder may not meet the requirements of fast response and high efficiency when the truck hydraulic tailgate needs to move quickly or bear a large load:

[0029] The oil cylinder body 1 is the core component of the hydraulic tailgate system, responsible for providing the necessary thrust and stroke of the hydraulic tailgate of the truck. The adjustment component 2 is installed at the two oil ports of the oil cylinder body 1, including a transmission plate 201 fixed at the oil port. The transmission plate 201 adopts a hollow design, and a ball valve 202 is installed inside for rotation. A channel 203 is opened inside the ball valve 202. By rotating the ball valve 202, the relative position between the channel 203 and the transmission plate 201 can be adjusted, thereby controlling the flow rate of the hydraulic oil.

[0030] When the hydraulic cylinder needs to move quickly, the ball valve 202 can be turned to increase the opening between the channel 203 and the transmission plate 201, increase the flow rate of the hydraulic oil, and thus speed up the movement of the hydraulic cylinder. Conversely, when the hydraulic cylinder needs to bear a larger load, the ball valve 202 can be turned to reduce the opening between the channel 203 and the transmission plate 201, reduce the flow rate of the hydraulic oil, and provide greater thrust.

[0031] This adjustment method is not only simple and easy, but also very flexible. By adjusting the position of the ball valve 202, the flow rate of the hydraulic oil can be accurately controlled to meet the needs under different working conditions. In addition, since the adjustment component 2 is directly installed at the oil port of the cylinder body 1, the leakage and energy loss of the hydraulic oil can be minimized to the greatest extent, and the efficiency of the entire system can be improved. The hydraulic cylinder can adapt to various complex working environments, providing a strong guarantee for the efficient and stable operation of the truck hydraulic tailgate system.

[0032] In this embodiment, a rotating rod 204 is fixedly installed on the upper part of the ball valve 202 , and a rotating disk 205 is fixedly connected to the upper part of the rotating rod 204 through the outer wall of the transmission plate 201 , and a connecting seat 206 is fixedly connected to the side of the transmission plate 201 away from the cylinder body 1 .

[0033] A rotating rod 204 is fixedly installed above the ball valve 202. This rotating rod 204 not only plays a connecting role, but also is a key element for controlling the rotation of the ball valve 202. The upper part of the rotating rod 204 passes through the outer wall of the transmission plate 201 and extends outside the transmission plate 201. A rotating disk 205 is fixedly connected to the top of the rotating rod 204. The design of this rotating disk 205 makes the adjustment process more intuitive and convenient. The user only needs to gently turn the rotating disk 205 to drive the ball valve 202 to rotate through the rotating rod 204, thereby achieving precise control of the flow rate of the hydraulic oil, and the rotating rod 204 is tightly fitted with the outer wall of the transmission plate 201 to avoid accidental rotation due to oil transmission. In this embodiment, a piston 101 is slidably installed inside the oil cylinder body 1, and a sliding rod 102 is fixedly connected to one side of the piston 101. A first mounting plate 3 is fixedly connected to one side of the oil cylinder body 1, and a first bearing 4 is fixedly installed inside the first mounting plate 3. One end of the slide rod 102 away from the piston 101 passes through the oil cylinder body 1 and extends to the outside and is fixedly connected to a second mounting plate 5 , and a second bearing 6 is fixedly installed inside the second mounting plate 5 .

[0034] The piston 101 inside the cylinder body 1 can slide smoothly along the inner wall of the cylinder body. One side of the piston 101 is closely connected to a slide rod 102, which is not only a power transmitter for the piston 101, but also a key component for connecting the crossbeam and the lifting plate. In order to ensure the stability and smoothness of the slide rod 102 at the crossbeam connection point, a first bearing 4 is fixedly installed on one side of the cylinder body 1. The first bearing 4 is located at the crossbeam connection point, which can significantly reduce the friction between the slide rod 102 and the cylinder body 1 during movement, thereby improving the operating efficiency, performance and service life of the entire transmission system. The other end of the slide rod 102, that is, the end connected to the lifting plate, passes through the cylinder body 1 and extends outward, and is closely connected to the second mounting plate 5. Inside the second mounting plate 5, a second bearing 6 is also installed, located at the lifting plate connection point. The function of this bearing is similar to that of the first bearing 4, both of which are to reduce the friction of the slide rod 102 during movement and ensure that the lifting plate can be lifted and lowered smoothly and accurately.

[0035] As a preferred embodiment of the present invention, the first bearing 4 includes an inner ring 401, an outer ring 402 is sleeved on the outer side of the inner ring 401, an annular gap is provided between the inner ring 401 and the outer ring 402, and a plurality of steel balls 403 are rotatably installed in the annular gap between the inner ring 401 and the outer ring 402. A through hole 404 is provided in the outer ring 402, and a refueling port 7 is provided on the upper part of the first mounting plate 3, and the refueling port 7 is connected to the through hole 404.

[0036] In the high-performance truck hydraulic tailgate system, the structure of the first bearing 4 is crucial to ensure the smooth operation of the slide bar 102. The first bearing 4 is mainly composed of an inner ring 401 and an outer ring 402. A certain distance is maintained between the inner ring 401 and the outer ring 402 to form a precise annular gap. Several steel balls 403 are cleverly installed in this gap. These steel balls 403 are the key to the rotation of the bearing. When the slide bar 102 drives the inner ring 401 to rotate, the steel balls 403 roll in the annular gap between the inner and outer rings 402, thereby reducing friction and allowing the slide bar 102 to move easily and smoothly.

[0037] In order to ensure the long-term lubrication of the bearing, a through hole 404 is specially provided on the outer ring 402. This design allows the lubricating oil to smoothly enter the bearing and provide necessary lubrication for the steel ball 403. At the same time, in order to facilitate the user to add lubricating oil, a refueling port 7 is also provided on the upper part of the first mounting plate 3, and the refueling port 7 is directly connected to the through hole 404. The user only needs to inject a proper amount of lubricating oil into the bearing through the refueling port 7 to ensure that the bearing always maintains a good lubrication state during long-term operation.

[0038] The working principle of this utility model:

[0039] When the hydraulic cylinder needs to move quickly, the ball valve 202 can be turned to increase the opening between the channel 203 and the transmission plate 201, increase the flow rate of the hydraulic oil, and thus speed up the movement of the hydraulic cylinder. Conversely, when the hydraulic cylinder needs to bear a larger load, the ball valve 202 can be turned to reduce the opening between the channel 203 and the transmission plate 201, reduce the flow rate of the hydraulic oil, and provide greater thrust.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-performance hydraulic tailgate cylinder device for trucks, comprising a cylinder body (1) for a hydraulic tailgate of a truck, characterized in that: The two oil ports of the oil cylinder body (1) are respectively fixedly mounted with adjustment components (2); The regulating assembly (2) comprises a transmission plate (201), the transmission plate (201) being fixed at the oil port of the oil cylinder body (1), the transmission plate (201) being hollow, a ball valve (202) being rotatably mounted inside the transmission plate (201), a channel (203) being provided inside the ball valve (202), and the ball valve (202) being movably sealed against the transmission plate (201).

2. A high performance truck tailgate hydraulic cylinder device as claimed in claim 1, characterized in that: A rotating rod (204) is fixedly mounted on the upper portion of the ball valve (202); the upper portion of the rotating rod (204) passes through the outer wall of the transmission plate (201) and is fixedly connected to a rotating disk (205); and a connecting seat (206) is fixedly connected to the side of the transmission plate (201) away from the oil cylinder body (1).

3. A high performance truck tailgate hydraulic cylinder device as claimed in claim 1, characterized in that: A piston (101) is slidably mounted inside the oil cylinder body (1), and a sliding rod (102) is fixedly connected to one side of the piston (101).

4. A high performance truck tailgate hydraulic cylinder device as claimed in claim 3, characterized in that: A first mounting plate (3) is fixedly connected to one side of the oil cylinder body (1), and a first bearing (4) is fixedly mounted inside the first mounting plate (3).

5. A high performance truck tailgate hydraulic cylinder device as claimed in claim 3, characterized in that: One end of the sliding rod (102) away from the piston (101) passes through the oil cylinder body (1) and extends to the outside and is fixedly connected to a second mounting plate (5), and a second bearing (6) is fixedly installed inside the second mounting plate (5).

6. A high performance truck tailgate hydraulic cylinder device as claimed in claim 4, characterized in that: The first bearing (4) comprises an inner ring (401), an outer ring (402) is sleeved on the outer side of the inner ring (401), an annular gap is provided between the inner ring (401) and the outer ring (402), and a plurality of steel balls (403) are rotatably installed in the annular gap between the inner ring (401) and the outer ring (402).

7. A high performance truck tailgate hydraulic cylinder device as claimed in claim 6, characterized in that: The outer ring (402) is provided with a through hole (404), and the upper portion of the first mounting plate (3) is provided with a refueling port (7), and the refueling port (7) is connected to the through hole (404).

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