Quick-change type oil cylinder

Abstract

The utility model provides a quick-change oil cylinder, and belongs to the technical field of hydraulic shears. The quick-change type oil cylinder comprises a mounting block and a dismounting and replacing mechanism. An oil cylinder body is arranged on the surface of the mounting block, an inserting block is connected to the lower surface of the oil cylinder body, an inserting groove corresponding to the inserting block is formed in the surface of the mounting block, the dismounting and replacing mechanism comprises an inserting piece and a pushing piece, the inserting piece is fixedly connected with the pushing piece, a spring is connected into the mounting block, and the inserting piece is fixedly connected with the pushing piece. The spring is connected with the plug connector, and one end of the pushing piece is rotationally connected with a movable block. Through cooperation of the movable block and the pushing piece, the inserting piece is drawn out of the through hole, the oil cylinder body can be conveniently detached from the installation block, the possibility that the oil cylinder body needs to be detached and maintained inconveniently is reduced, the inserting block is inserted into the inserting groove, the inserting piece is inserted into the through hole through cooperation of the spring and the inserting piece, and the oil cylinder body can be conveniently detached and maintained. And stability during connection of the oil cylinder body and the mounting block is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic shears, in particular to a quick-change oil cylinder. Background Art

[0002] Hydraulic shears usually have an aluminum alloy shell, its blade is forged from hot-rolled steel, and the piston and piston push rod are usually made of hot-rolled alloy steel. Hydraulic shears are mainly used to shear materials such as sheet metal and plastic. The principle is the same as that of hydraulic expanders. After the hydraulic fluid flows into the cylinder, it applies pressure to the piston. When the piston push rod rises, the blade opens. When the piston push rod falls, the blade begins to close to the object and cuts the object open.

[0003] At present, the existing oil cylinder is generally fixed on the mounting block by screws, which makes it inconvenient to disassemble and repair the oil cylinder, increases the labor intensity of the staff, takes a long time to disassemble and replace the oil cylinder, and fails to achieve good disassembly efficiency. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a quick-change oil cylinder, which aims to improve the problem that the existing oil cylinder is generally fixed on the mounting block by screws, which is inconvenient when the oil cylinder needs to be disassembled for maintenance.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a quick-change oil cylinder, which comprises a mounting block and a disassembly and replacement mechanism.

[0007] The surface of the mounting block is provided with a cylinder body, and the lower surface of the cylinder body is connected to a plug-in block, the surface of the mounting block is provided with a slot corresponding to the plug-in block, and two disassembly mechanisms are provided in the mounting block, the disassembly mechanisms include a plug-in piece and a pushing piece, the plug-in piece and the pushing piece are both slidably arranged in the mounting block, and the plug-in piece is fixedly connected to the pushing piece, a spring is connected in the mounting block, the spring is connected to the plug-in piece, one end of the pushing piece is rotatably connected to a movable block, and the surface of the plug-in block is provided with a through hole corresponding to the plug-in piece.

[0008] In an embodiment of the utility model, a protective pad is connected to the surface of the mounting block, and the lower surface of the oil cylinder body is in contact with the protective pad.

[0009] In one embodiment of the utility model, the connector includes a slider and an insertion rod, the slider and the insertion rod are both slidably disposed in the mounting block, and the slider is respectively connected to the insertion rod and the spring, the insertion rod is slidably inserted in the through hole, and the pushing member is fixedly connected to the slider.

[0010] In an embodiment of the utility model, a cavity is defined in the mounting block, the spring is mounted in the cavity, and the sliding block is in contact with an inner wall of the cavity.

[0011] In one embodiment of the utility model, the pushing member includes a moving block and a pushing block, the moving block and the pushing block are both slidably arranged in the mounting block, and the moving block is fixedly connected to the pushing block and the sliding block respectively, and the pushing block is rotatably connected to the movable block.

[0012] In an embodiment of the utility model, a placement cavity is provided in the installation block, the placement cavity is communicated with the cavity, and the moving block is in contact with the inner wall of the placement cavity.

[0013] In an embodiment of the utility model, a placement groove is opened on the side of the installation block, and the movable block is located in the placement groove.

[0014] In an embodiment of the utility model, one side of the pushing block is arc-shaped, and one end of the movable block is connected to an anti-slip pad.

[0015] The beneficial effects of the utility model are as follows: the utility model obtains a quick-change oil cylinder through the above-mentioned design. When in use, the movable block drives the pushing member to move through the cooperation of the movable block and the pushing member, and then drives the connector to move, so that the connector can be pulled out from the through hole on the surface of the plug block, and the plug block is no longer restricted, which is convenient for removing the oil cylinder body from the mounting block, reducing the possibility of inconvenience when the oil cylinder body needs to be disassembled and repaired, and the plug block is inserted into the slot on the surface of the mounting block. Through the cooperation of the spring and the plug connector, the plug connector can be reset, and one end of the plug connector will be inserted into the through hole on the surface of the plug block, thereby restricting the plug block, which is beneficial to the stability of the connection between the oil cylinder body and the mounting block. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of a quick-change oil cylinder provided in an embodiment of the utility model;

[0018] Figure 2 A schematic diagram of the structure of the connection between the oil cylinder body and the plug block provided in the embodiment of the utility model;

[0019] Figure 3A top view of the structure of the connection between the mounting block and the disassembly mechanism provided in the embodiment of the utility model;

[0020] Figure 4 A schematic structural diagram of the connection between the plug-in component and the pushing component provided in an embodiment of the utility model.

[0021] In the figure: 100-mounting block; 110-cylinder body; 120-insertion block; 130-slot; 140-through hole; 150-protection pad; 160-cavity; 170-placing cavity; 180-placing slot; 200-disassembly and replacement mechanism; 210-connector; 211-slider; 212-insertion rod; 220-pushing member; 221-moving block; 222-pushing block; 230-spring; 240-movable block. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-Figure 4 The utility model provides a quick-change oil cylinder, including a mounting block 100 and a disassembly and replacement mechanism 200.

[0025] The disassembly mechanism 200 is installed in the mounting block 100. The cylinder body 110 can be removed from the mounting block 100 through the disassembly mechanism 200, thereby reducing the possibility of inconvenience when the cylinder body 110 needs to be disassembled for maintenance.

[0026] See also Figure 1-Figure 3 A cylinder body 110 is arranged on the surface of the mounting block 100, and an insert block 120 is connected to the lower surface of the cylinder body 110. A slot 130 corresponding to the insert block 120 is opened on the surface of the mounting block 100. In a specific implementation, the insert block 120 is inserted into the slot 130 on the surface of the mounting block 100, so as to facilitate the connection between the cylinder body 110 and the mounting block 100.

[0027] Two disassembly mechanisms 200 are arranged in the mounting block 100, and the disassembly mechanism 200 includes a plug-in component 210 and a pushing component 220. The plug-in component 210 and the pushing component 220 are both slidably arranged in the mounting block 100, and the plug-in component 210 is fixedly connected to the pushing component 220. A spring 230 is connected in the mounting block 100, and the spring 230 is connected to the plug-in component 210. One end of the pushing component 220 is rotatably connected to a movable block 240, and a through hole 140 corresponding to the plug-in component 210 is opened on the surface of the plug-in component 120.

[0028] In this embodiment, a protective pad 150 is connected to the surface of the mounting block 100, and the lower surface of the cylinder body 110 is fitted with the protective pad 150. In a specific implementation, the lower surface of the cylinder body 110 is fitted with the protective pad 150 to reduce the possibility of wear caused by long-term contact between the cylinder body 110 and the mounting block 100. It should be noted that the protective pad 150 can be made of rubber or silicone.

[0029] See also Figure 1-Figure 4 Two dismantling mechanisms 200 are arranged in the mounting block 100, and the dismantling mechanism 200 includes a plug-in component 210 and a pushing component 220. The plug-in component 210 and the pushing component 220 are both slidably arranged in the mounting block 100, and the plug-in component 210 is fixedly connected to the pushing component 220. A spring 230 is connected in the mounting block 100, and the spring 230 is connected to the plug-in component 210. One end of the pushing component 220 is rotatably connected to a movable block 240. A through hole 140 corresponding to the plug-in component 210 is opened on the surface of the plug-in component 120. In a specific implementation, the movable block 240 is rotated so that one end of it is located outside the mounting block 100, and then the movable block 240 is pushed to drive the pushing component 220 to move, thereby The connector 210 is driven to move in the mounting block 100, which is beneficial to the stability of the connector 210 during the movement, and one end of the connector 210 will be pulled out from the through hole 140 on the surface of the plug block 120, and the plug block 120 will no longer be restricted, which is convenient for removing the cylinder body 110 from the mounting block 100, reducing the possibility of inconvenience when the cylinder body 110 needs to be disassembled and repaired, and the plug block 120 is inserted into the slot 130 on the surface of the mounting block 100. The elastic force of the spring 230 can reset the connector 210, and the connector 210 will be inserted into the through hole 140, thereby restricting the plug block 120, which is beneficial to improving the stability of the connection between the cylinder body 110 and the mounting block 100.

[0030] In this embodiment, the connector 210 includes a slider 211 and an insertion rod 212, both of which are slidably arranged in the mounting block 100, and the slider 211 is respectively connected to the insertion rod 212 and the spring 230, the insertion rod 212 is slidably inserted in the through hole 140, and the pushing member 220 is fixedly connected to the slider 211; a cavity 160 is opened in the mounting block 100, the spring 230 is installed in the cavity 160, and the slider 211 is in contact with the inner wall of the cavity 160. In a specific implementation, the spring 230 is arranged in the cavity 160, which is beneficial to protecting the spring 230. When the pushing member 220 drives the slider 211 to move, the slider 211 can move along the inner wall of the cavity 160, which is beneficial to the stability of the slider 211 during movement.

[0031] The pushing member 220 includes a moving block 221 and a pushing block 222, both of which are slidably arranged in the mounting block 100, and the moving block 221 is fixedly connected to the pushing block 222 and the slider 211 respectively, and the pushing block 222 is rotatably connected to the movable block 240; a placement cavity 170 is opened in the mounting block 100, the placement cavity 170 is communicated with the cavity 160, and the moving block 221 is in contact with the inner wall of the placement cavity 170. In a specific implementation, when the pushing block 222 drives the moving block 221 to move, the moving block 221 will move along the inner wall of the placement cavity 170, which is beneficial to the stability of the moving block 221 during the movement.

[0032] A placement groove 180 is provided on the side of the mounting block 100, and the movable block 240 is located in the placement groove 180. In a specific implementation, the movable block 240 is arranged in the placement groove 180, which is conducive to the compactness between the components of the device, and at the same time reduces the possibility that foreign objects hit the movable block 240 and drive the push block 222 to move; one side of the push block 222 is arc-shaped, and an anti-skid pad is connected to one end of the movable block 240. In a specific implementation, an anti-skid pad is arranged on the surface of the movable block 240, which is conducive to improving the comfort of the staff when contacting the movable block 240. It should be noted that the anti-skid pad can be made of rubber or silicone.

[0033] Specifically, the working principle of the quick-change oil cylinder is as follows: when in use, by rotating the movable block 240 to make it flush with the surface of the push block 222, and then by pushing the movable block 240, it drives the push block 222 and the moving block 221 to move along the inner wall of the placement cavity 170, and then drives the slider 211 to move along the inner wall of the cavity 160, so that the insertion rod 212 can be pulled out from the through hole 140 on the surface of the insertion block 120, and the insertion block 120 is no longer restricted, which is convenient for the oil cylinder body 11 0 is removed from the mounting block 100, reducing the possibility of inconvenience when the oil cylinder body 110 needs to be disassembled for maintenance, and the plug block 120 on the lower surface of the oil cylinder body 110 is inserted into the slot 130 on the surface of the mounting block 100. The slider 211 can be reset by the elastic force of the spring 230, and the plug rod 212 can be inserted into the through hole 140 on the surface of the plug block 120, thereby restricting the plug block 120, which is beneficial to the stability of the connection between the oil cylinder body 110 and the mounting block 100.

[0034] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A quick-change oil cylinder, characterized in that: include A mounting block (100), wherein a cylinder body (110) is disposed on a surface of the mounting block (100), an insert block (120) is connected to a lower surface of the cylinder body (110), and a slot (130) corresponding to the insert block (120) is provided on a surface of the mounting block (100); Two disassembly mechanisms (200) are arranged in the installation block (100), and the disassembly mechanism (200) comprises a plug-in component (210) and a pushing component (220). The plug-in component (210) and the pushing component (220) are both slidably arranged in the installation block (100), and the plug-in component (210) and the pushing component (220) are fixedly connected. A spring (230) is connected in the installation block (100), and the spring (230) is connected to the plug-in component (210). One end of the pushing component (220) is rotatably connected to a movable block (240). A through hole (140) corresponding to the plug-in component (210) is opened on the surface of the plug-in component (120).

2. A quick-change oil cylinder according to claim 1, characterized in that: A protective pad (150) is connected to the surface of the mounting block (100), and the lower surface of the oil cylinder body (110) is in contact with the protective pad (150).

3. The quick-change cylinder according to claim 1, characterized in that: The plug-in connector (210) comprises a slider (211) and an insertion rod (212); the slider (211) and the insertion rod (212) are both slidably disposed in the mounting block (100); the slider (211) is respectively connected to the insertion rod (212) and the spring (230); the insertion rod (212) is slidably inserted in the through hole (140); and the pushing member (220) is fixedly connected to the slider (211).

4. A quick-change oil cylinder according to claim 3, characterized in that: A cavity (160) is provided in the mounting block (100), the spring (230) is mounted in the cavity (160), and the sliding block (211) is in contact with the inner wall of the cavity (160).

5. A quick-change oil cylinder according to claim 4, characterized in that: The pushing member (220) comprises a moving block (221) and a pushing block (222); the moving block (221) and the pushing block (222) are both slidably arranged in the mounting block (100); the moving block (221) is fixedly connected to the pushing block (222) and the slider (211) respectively; and the pushing block (222) is rotatably connected to the movable block (240).

6. A quick-change oil cylinder according to claim 5, characterized in that: A placement cavity (170) is provided in the installation block (100), the placement cavity (170) is communicated with the cavity (160), and the moving block (221) is in contact with the inner wall of the placement cavity (170).

7. The quick-change cylinder according to claim 1, characterized in that: A placement groove (180) is provided on the side of the installation block (100), and the movable block (240) is located in the placement groove (180).

8. The quick-change oil cylinder according to claim 5, characterized in that: One side of the pushing block (222) is arc-shaped, and one end of the movable block (240) is connected to an anti-slip pad.

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