High-pressure lever cylinder

Abstract

The utility model relates to the technical field of hydraulic cylinders, in particular to a high-pressure lever cylinder which comprises an installation base, an annular rail groove is formed in the bottom of the inner side of the installation base, a limiting rail ring is connected to the inner side of the annular rail groove in a sliding mode, and a high-pressure lever cylinder body is fixedly installed at the top of the limiting rail ring. A plurality of positioning grooves which are distributed at equal angles are formed in the top of the mounting seat; and the annular positioning seat is fixedly connected to the lower end of the outer surface of the high-pressure lever cylinder body. According to the high-pressure lever cylinder, the use position of the high-pressure lever cylinder can be fixed through the arrangement of the installation base and the installation hole, the high-pressure lever cylinder body can be limited in the installation base and cannot move up and down through the arrangement of the annular rail groove and the limiting rail ring, but the use angle can be stably rotated; after the annular adjusting plate drives the positioning plate to be inserted into the corresponding positioning groove, the rotating capacity of the high-pressure lever cylinder body can be limited.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic cylinders, in particular to a high-pressure lever cylinder. Background Technique

[0002] In various conveyor lines and fixtures in the machinery manufacturing industry, it is usually necessary to use a lever cylinder to fix and clamp workpieces. The lever cylinder is a kind of hydraulic cylinder, and its working principle is to convert the linear reciprocating motion of the piston rod into a clamping action through a swing arm mechanism. The common lever cylinders on the market at present usually include a cylinder body, a bottom cover, a piston rod, a pressing plate and a connecting plate. The bottom cover is fixedly arranged at the bottom of the cylinder body. A piston is arranged in the cylinder body, and a sealing member adapted to the inner wall of the cylinder body is embedded on the piston. The piston divides the cylinder body into an upper chamber and a lower chamber. The bottom end of the piston rod is inserted into the cylinder body and fixedly connected with the piston. The top end of the piston rod extends out of the cylinder body and is hinged to the end of the pressing plate. A support block is arranged on the cylinder body. The middle part of the pressing plate is hinged to one end of the connecting plate, and the other end of the connecting plate is hinged to the support block. First channel holes communicating with the upper chamber and second channel holes communicating with the lower chamber are respectively arranged on the cylinder body. During operation, the first channel holes and the second channel holes are respectively connected to an oil pump. When hydraulic oil is filled into the lower chamber, the piston drives the piston rod to rise synchronously under the action of hydraulic pressure. At this time, the pressing plate swings and clamps the workpiece under the combined action of the connecting plate and the piston rod. When hydraulic oil is filled into the upper chamber, the piston drives the piston rod to descend under the action of hydraulic pressure. At this time, the pressing plate releases the workpiece and returns to its original position with the piston rod.

[0003] At present, when designing some fixtures, a high-pressure lever cylinder is required to cooperate with the fixture. The piston rod of the high-pressure lever cylinder drives a driving member to move, and the driving member then cooperates with the fixture to act. However, the existing high-pressure lever cylinder needs to be fixed during use. Once the position of the high-pressure lever cylinder is fixed, the position of the driving member cannot be adjusted. In this way, when the position of the fixture changes, it can only be satisfied by adjusting the installation position of the high-pressure lever cylinder, and its operation is cumbersome and the use is not flexible enough. For this reason, we propose a high-pressure lever cylinder. Content of the Utility Model

[0004] The purpose of the utility model is to provide a high-pressure lever cylinder, which has the advantage of convenient adjustment of position and angle, and solves the problem that the existing high-pressure lever cylinder needs to be fixed during use. Once the position of the high-pressure lever cylinder is fixed, the position of the driving member cannot be adjusted. In this way, when the position of the fixture changes, it can only be satisfied by adjusting the installation position of the high-pressure lever cylinder, and its operation is cumbersome and the use is not flexible enough.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A high-pressure lever cylinder, comprising:

[0006] Mounting base, a circular rail groove is provided at the bottom inside the mounting base, a limiting rail ring is slidably connected to the inside of the circular rail groove, a high-pressure lever cylinder body is fixedly installed on the top of the limiting rail ring, and a plurality of equally angularly distributed positioning grooves are provided on the top of the mounting base;

[0007] Circular positioning seat, the circular positioning seat is fixedly connected to the lower end of the outer surface of the high-pressure lever cylinder body, adjustment grooves are provided at the four circumferences of the bottom of the circular positioning seat, a return spring is fixedly connected to the top inside the adjustment groove, a movable block is fixedly connected to the bottom of the return spring, a connecting rod is fixedly connected to the middle end of the bottom of the movable block, the end of the connecting rod away from the circular positioning seat is fixedly connected to a circular adjustment plate, push-pull blocks are fixedly connected to the four circumferences of the outer surface of the circular adjustment plate, and a plurality of equally angularly distributed positioning plates are fixedly connected to the bottom of the circular adjustment plate.

[0008] Preferably, mounting holes are provided at the four circumferences of the lower end of the mounting base.

[0009] Preferably, the movable block is adapted to the adjustment groove, and the movable block slides inside the adjustment groove.

[0010] Preferably, the number of the positioning plates is the same as that of the adjustment grooves, and the positioning plates are adapted to the adjustment grooves.

[0011] Preferably, the outer dimensions of the circular adjustment plate and the circular positioning seat are the same, and the circular adjustment plate slides on the lower end of the outer surface of the high-pressure lever cylinder body.

[0012] Preferably, limiting sliding grooves are provided at the four circumferences of the lower end of the high-pressure lever cylinder body, and limiting sliding blocks are fixedly connected to the four circumferences of the inner surface of the circular adjustment plate.

[0013] Preferably, the limiting sliding blocks are adapted to the limiting sliding grooves, and the limiting sliding blocks slide inside the limiting sliding grooves.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. Through the arrangement of the mounting base and the mounting holes, the present utility model can fix the use position of the high-pressure lever cylinder, and through the arrangement of the circular rail groove and the limiting rail ring, the high-pressure lever cylinder body can be limited in the mounting base and cannot move up and down, but can stably rotate the use angle. After the positioning plate is driven by the circular adjustment plate to insert into the corresponding positioning groove, the rotation ability of the high-pressure lever cylinder body can be limited.

[0016] 2. The utility model drives the annular adjusting plate, the connecting rod and the movable block to move upward through the pushing and pulling block. Then, the movable block can compress the return spring in the adjusting groove. At the same time, the movement of the annular adjusting plate can drive all the positioning plates to withdraw from the corresponding positioning grooves, thus giving up the limitation on the rotation ability of the high-pressure lever cylinder body. Then, with the assistance of the annular rail groove and the limiting rail ring, the high-pressure lever cylinder body can rotate in the mounting seat, so as to change the position angle of the driving part of the high-pressure lever cylinder body. After the position is determined, release the pushing and pulling block. While the return spring restores its tension, it can drive the connecting rod and the annular adjusting plate to reset through the movable block. And the reset of the annular adjusting plate can drive all the positioning plates to insert into the corresponding positioning grooves again, re-limiting the rotation ability of the high-pressure lever cylinder body, which is convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the first perspective of the utility model;

[0018] Figure 2 is a schematic structural diagram of the second perspective of the utility model;

[0019] Figure 3 is a schematic structural diagram of the cooperation between the mounting seat and the high-pressure lever cylinder body of the utility model;

[0020] Figure 4 is a schematic structural diagram of the cooperation between the positioning ring and the annular adjusting plate of the utility model.

[0021] In the figure: 1, mounting seat; 2, high-pressure lever cylinder body; 3, annular adjusting plate; 4, mounting hole; 5, pushing and pulling block; 6, annular positioning seat; 7, connecting rod; 8, limiting chute; 9, limiting slider; 10, positioning groove; 11, annular rail groove; 12, limiting rail ring; 13, return spring; 14, movable block; 15, positioning plate; 16, adjusting groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] It should be noted that the mounting seat 1, the high-pressure lever cylinder body 2, the annular adjusting plate 3, the mounting hole 4, the push-pull block 5, the annular positioning seat 6, the connecting rod 7, the limiting chute 8, the limiting slider 9, the positioning groove 10, the annular rail groove 11, the limiting rail ring 12, the return spring 13, the movable block 14, the positioning plate 15, and the adjusting groove 16 components of the present application are all common standard components or components known to those skilled in the art. Their structures and principles can all be learned by those skilled in the art through technical manuals or by conventional experimental methods, and the connection with the power circuit adopts the conventional connection method in the prior art, which will not be elaborated here.

[0026] Embodiment 1

[0027] Please refer to Figures 1 - 4 As shown in the figure, the present utility model provides a technical solution: a high-pressure lever cylinder, comprising: a mounting seat 1, an annular positioning seat 6;

[0028] Installation holes 4 are provided around the lower end of the mounting base 1. A circular rail groove 11 is provided at the bottom inside the mounting base 1. A limiting rail ring 12 is slidably connected to the inside of the circular rail groove 11. A high-pressure lever cylinder body 2 is fixedly installed at the top of the limiting rail ring 12. A plurality of positioning grooves 10 are provided at equal angles on the top of the mounting base 1. A circular positioning seat 6 is fixedly connected to the lower end of the outer surface of the high-pressure lever cylinder body 2. Adjusting grooves 16 are provided around the bottom of the circular positioning seat 6. A return spring 13 is fixedly connected to the top inside the adjusting groove 16. The bottom of the return spring 13 is fixedly connected to a movable block 14. The movable block 14 is adapted to the adjusting groove 16, and the movable block 14 slides inside the adjusting groove 16. A connecting rod 7 is fixedly connected to the middle of the bottom of the movable block 14. One end of the connecting rod 7 away from the circular positioning seat 6 is fixedly connected to a circular adjusting plate 3. The circular adjusting plate 3 has the same external dimensions as the circular positioning seat 6, and the circular adjusting plate 3 slides on the lower end of the outer surface of the high-pressure lever cylinder body 2. Push-pull blocks 5 are fixedly connected to the periphery of the outer surface of the circular adjusting plate 3. A plurality of positioning plates 15 are fixedly connected to the bottom of the circular adjusting plate 3 at equal angles. The number of the positioning plates 15 is the same as that of the adjusting grooves 16, and the positioning plates 15 are adapted to the adjusting grooves 16.

[0029] This technical solution: Through the settings of the mounting base 1 and the mounting holes 4, the use position of this high-pressure lever cylinder can be fixed. The settings of the circular rail groove 11 and the limiting rail ring 12 can limit the high-pressure lever cylinder body 2 in the mounting base 1 so that it cannot move up and down, but can stably rotate the use angle. After the circular adjusting plate 3 drives the positioning plate 15 to insert into the corresponding positioning groove 10, the rotation ability of the high-pressure lever cylinder body 2 can be limited. When the position of the fixture changes and it is necessary to adjust the position angle of the driving part of the high-pressure lever cylinder body 2 to meet the use, the push-pull block 5 drives the circular adjusting plate 3, the connecting rod 7 and the movable block 14 to move upward. Then, the movable block 14 can compress the return spring 13 in the adjusting groove 16. At the same time, the movement of the circular adjusting plate 3 can drive all the positioning plates 15 to withdraw from the corresponding positioning grooves 10, thereby giving up the limitation on the rotation ability of the high-pressure lever cylinder body 2. Then, with the assistance of the circular rail groove 11 and the limiting rail ring 12, the high-pressure lever cylinder body 2 can be rotated in the mounting base 1, so as to change the position angle of the driving part of the high-pressure lever cylinder body 2. After the position is determined, release the push-pull block 5. While the return spring 13 restores its tension, it can drive the connecting rod 7 and the circular adjusting plate 3 to reset through the movable block 14. The reset of the circular adjusting plate 3 can drive all the positioning plates 15 to insert into the corresponding positioning grooves 10 again, and limit the rotation ability of the high-pressure lever cylinder body 2 again, which is convenient for the user to use.

[0030] Embodiment 2

[0031] On the basis of Embodiment 1, the present utility model is as Figure 2As shown, limit sliding grooves 8 are provided around the lower end of the high-pressure lever cylinder body 2. Limit sliding blocks 9 are fixedly connected around the inner surface of the annular adjusting plate 3. The limit sliding blocks 9 are adapted to the limit sliding grooves 8, and the limit sliding blocks 9 slide inside the limit sliding grooves 8.

[0032] In this technical solution: Through the arrangement of the limit sliding grooves 8 and the limit sliding blocks 9, the smoothness of the movement of the annular adjusting plate 3 can be ensured. If it is only limited by the cooperation of the connecting rod 7 and the adjusting groove 16, it is easy to shake due to the existence of a large gap, resulting in poor stability.

[0033] Importantly, it should be noted that the construction and arrangement of the present application shown in multiple different exemplary embodiments are only illustrative. Although only a few embodiments are described in detail in this disclosure, those who refer to this disclosure should easily understand that many modifications are possible on the premise of substantially not deviating from the novel teachings and advantages of the subject matter described in this application (for example, the dimensions, scales, structures, shapes and proportions of various components, and parameter values (such as temperature, pressure, etc.), installation arrangements, use of materials, changes in color, orientation, etc.). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature, number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of the present utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structure that performs the recited function herein, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility model. Therefore, the present utility model is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0034] In addition, in order to provide a concise description of the exemplary embodiments, all features of the actual embodiments may not be described (that is, those features that are not relevant to the currently considered best mode of implementing the present utility model, or those features that are not relevant to the implementation of the present utility model).

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit the protection scope of the present utility model. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present utility model.

Claims

1. A high-pressure lever cylinder, characterized in that, Including: A mounting base (1), at the bottom inside the mounting base (1), an annular rail groove (11) is provided, inside the annular rail groove (11), a limit rail ring (12) is slidably connected, at the top of the limit rail ring (12), a high-pressure lever cylinder body (2) is fixedly installed, and at the top of the mounting base (1), a plurality of positioning grooves (10) are provided and distributed at equal angles; An annular positioning seat (6), the annular positioning seat (6) is fixedly connected to the lower end of the outer surface of the high-pressure lever cylinder body (2), at the four circumferences of the bottom of the annular positioning seat (6), adjusting grooves (16) are provided, at the top inside the adjusting grooves (16), a return spring (13) is fixedly connected, at the bottom of the return spring (13), a movable block (14) is fixedly connected, at the middle end of the bottom of the movable block (14), a connecting rod (7) is fixedly connected, at the end of the connecting rod (7) away from the annular positioning seat (6), an annular adjusting plate (3) is fixedly connected, at the four circumferences of the outer surface of the annular adjusting plate (3), push-pull blocks (5) are fixedly connected, and at the bottom of the annular adjusting plate (3), a plurality of positioning plates (15) are fixedly connected and distributed at equal angles.

2. The high-pressure lever cylinder according to claim 1, characterized in that: At the four circumferences of the lower end of the mounting base (1), mounting holes (4) are provided.

3. A high-pressure lever cylinder according to claim 1, characterized in that: The movable block (14) is adapted to the adjusting groove (16), and the movable block (14) slides inside the adjusting groove (16).

4. A high-pressure lever cylinder according to claim 1, characterized in that: The number of the positioning plates (15) is the same as that of the adjusting grooves (16), and the positioning plates (15) are adapted to the adjusting grooves (16).

5. A high-pressure lever cylinder according to claim 1, characterized in that: The outer dimensions of the annular adjusting plate (3) and the annular positioning seat (6) are the same, and the annular adjusting plate (3) slides on the lower end of the outer surface of the high-pressure lever cylinder body (2).

6. A high-pressure lever cylinder according to claim 1, wherein: At the four circumferences of the lower end of the high-pressure lever cylinder body (2), limit sliding grooves (8) are provided, and at the four circumferences of the inner surface of the annular adjusting plate (3), limit sliding blocks (9) are fixedly connected.

7. A high-pressure lever cylinder according to claim 6, characterized in that: The limit sliding blocks (9) are adapted to the limit sliding grooves (8), and the limit sliding blocks (9) slide inside the limit sliding grooves (8).

Images