Rear cover of injection moving oil cylinder

Abstract

The utility model provides an injection moving oil cylinder rear cover which comprises a fixing ring, a groove is formed in the upper surface of the fixing ring, the inner wall of the fixing ring is fixedly connected with a connecting pipe, the connecting pipe is communicated with the groove, and the inner wall of the connecting pipe is slidably connected with a plug pin. After alignment, the inserting rod slides down along the groove, in the downward sliding process, the movable rod moves downwards, the movable rod drives the connecting rod to move downwards in the downward moving process, the downward moving of the connecting rod drives the connecting rod to be away from the contraction end to be clamped with the connecting block, after clamping, the movable rod is rotated to drive the connecting rod to rotate, and the rotation of the connecting rod drives the connecting block to rotate and drives the spring to contract; the spring contracts to drive the bolt to slide in the direction of the connecting block, after the inserting rod and the fixing ring are completely in butt joint, the movable rod is released, due to the elastic effect of the spring, the bolt slides reversely and is connected with the inserting hole in an inserted mode, and then the rear cover is disassembled and fixedly installed.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic cylinders for injection and displacement, and more specifically, to a rear cover for a hydraulic cylinder for injection and displacement. Background Technology

[0002] The rear cover of a hydraulic cylinder is an important component, located at the rear end of the cylinder. Its main function is to seal the rear opening of the cylinder, working in conjunction with the cylinder body, piston, and piston rod. Structurally, it is a part closely connected to the cylinder body, positioned behind the piston in the direction of movement within the entire cylinder assembly, acting like a "lid" to seal the rear of the cylinder.

[0003] When installing the hydraulic cylinder rear cover, bolts are usually used for connection. There are corresponding bolt holes on the rear cover and the cylinder body. Bolts and nuts are used to fix the rear cover to the cylinder body. When using bolts for connection, specific fastening tools are needed to turn the bolts to fix the rear cover. This method is relatively troublesome and has low applicability.

[0004] Therefore, we made improvements and proposed a rear cover for the injection displacement cylinder. Utility Model Content

[0005] The purpose of this utility model is to address the problem of low applicability caused by using specific tools for fixing the back cover during installation.

[0006] In order to achieve the above-mentioned objectives, this utility model provides a rear cover for a hydraulic cylinder to solve the aforementioned problems.

[0007] The present invention is as follows:

[0008] The device includes a fixing ring, the upper surface of which is provided with a groove, a connecting pipe fixedly connected to the inner wall of the fixing ring and communicating with the groove, a pin slidably connected to the inner wall of the connecting pipe, a spring fixedly connected to the end of the pin away from the groove, a connecting block fixedly connected to the other end of the spring, and a connecting rod slidably connected to the upper surface of the connecting block.

[0009] As a preferred technical solution of this utility model, the connecting rod passes through the connecting block and is fixedly connected to the upper end of the limiting block. The connecting rod is a variable diameter rod that tapers from both ends to the middle.

[0010] As a preferred technical solution of this utility model, a connecting ring is fixedly connected to the lower surface of the fixed ring, a ventilation plate is fixedly connected to the inner wall of the connecting ring, a movable rod is fixedly connected to the lower end of the connecting rod, and the movable rod passes through the ventilation plate and is slidably connected to the ventilation plate.

[0011] As a preferred technical solution of this utility model, a movable ring is fixedly connected near the lower end of the movable rod, and a wind deflector is snapped onto the end of the movable ring away from the connecting rod. The wind deflector is fan-shaped and foldable.

[0012] As a preferred technical solution of this utility model, a cover plate is fixedly connected to the upper surface of the fixing ring, and the upper surface of the cover plate abuts against the outer shell.

[0013] As a preferred technical solution of this utility model, a plug rod is fixedly connected to the lower surface of the outer shell, and a plug hole is provided on the outer surface of the plug rod, and the plug hole is inserted into the plug pin.

[0014] As a preferred technical solution of this utility model, the movable rod and the connecting rod have the same diameter at their contracted ends, and the connecting block is located at the contracted part of the movable rod.

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

[0016] During installation and disassembly, align the retaining ring with the insert rod. After alignment, slide the insert rod down along the groove. During the descent, move the movable rod down, which in turn moves the connecting rod down. The downward movement of the connecting rod moves it away from the retractable end and engages with the connecting block. After engagement, rotate the movable rod and rotate the connecting rod. The rotation of the connecting rod causes the connecting block to rotate and the spring to retract. The retraction of the spring causes the pin to slide towards the connecting block. When the insert rod and retaining ring are fully aligned, release the movable rod. Due to the elasticity of the spring, the pin slides in the opposite direction and engages with the insertion hole, thus achieving the removal and installation of the back cover.

[0017] In the solution of this utility model: Attached Figure Description

[0018] Figure 1 A schematic diagram of the overall structure of the rear cover of the injection cylinder provided by this utility model;

[0019] Figure 2 A schematic diagram of the internal structure of the retaining ring of the rear cover of a hydraulic cylinder for injection and displacement, provided by this utility model;

[0020] Figure 3 A schematic diagram of the internal structure of the retaining ring of the rear cover of a hydraulic cylinder for injection and displacement, provided by this utility model;

[0021] Figure 4 This utility model Figure 3 Enlarged view of A in the middle;

[0022] Figure 5 A schematic diagram of the connecting rod of the rear cover of the injection cylinder provided by this utility model;

[0023] Figure 6A schematic diagram of a ventilation device for the rear cover of a hydraulic cylinder provided by this utility model.

[0024] The image shows:

[0025] 1. Retaining ring; 101. Groove; 102. Connecting tube; 103. Pin; 104. Spring; 105. Connecting block; 106. Connecting rod;

[0026] 2. Limit block;

[0027] 3. Connecting ring; 301. Ventilation plate; 302. Movable rod;

[0028] 4. Movable ring; 401. Wind deflector;

[0029] 5. Cover plate; 501. Outer shell;

[0030] 6. Insert rod; 601. Insert hole. Detailed Implementation

[0031] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0032] As in the background art, the use of specific tools for fixing the back cover during installation leads to problems with limited applicability.

[0033] To solve this technical problem, this utility model provides a rear cover for a hydraulic cylinder, which is used for quick disassembly and installation of the rear cover and the hydraulic cylinder.

[0034] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0035] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0036] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0037] A rear cover for a hydraulic cylinder includes a fixing ring 1. A groove 101 is provided on the upper surface of the fixing ring 1. A connecting pipe 102 is fixedly connected to the inner wall of the fixing ring 1, and the connecting pipe 102 communicates with the groove 101. A pin 103 is slidably connected to the inner wall of the connecting pipe 102. A spring 104 is fixedly connected to the end of the pin 103 away from the groove 101. A connecting block 105 is fixedly connected to the other end of the spring 104. A connecting rod 106 is slidably connected to the upper surface of the connecting block 105.

[0038] During installation and disassembly, the fixing ring 1 and the insertion rod 6 can be aligned. After alignment, the insertion rod 6 slides down along the groove 101. During the sliding process, the movable rod 302 moves down. As the movable rod 302 moves down, it drives the connecting rod 106 to move down. The downward movement of the connecting rod 106 causes it to move away from the retractable end and engage with the connecting block 105. After engagement, the movable rod 302 is rotated, which in turn causes the connecting rod 106 to rotate. The rotation of the connecting rod 106 causes the connecting block 105 to rotate and causes the spring 104 to retract. The retraction of the spring 104 causes the pin 103 to slide towards the connecting block 105. When the insertion rod 6 and the fixing ring 1 are fully engaged, the movable rod 302 is released. Due to the elasticity of the spring 104, the pin 103 slides in the opposite direction and engages with the insertion hole 601, thereby realizing the disassembly and fixed installation of the back cover.

[0039] The connecting rod 106 passes through the connecting block 105 and is fixedly connected to the upper end of the limiting block 2. The connecting rod 106 is a variable diameter rod that contracts from both ends toward the middle. The movable rod 302 has the same diameter as the contracted end of the connecting rod 106, and the connecting block 105 is located at the contracted part of the movable rod 302.

[0040] The connecting rod 106 passes through the connecting block 105 and is fixedly connected to the upper end by the limiting block 2, which can prevent the connecting rod 106 from detaching from the connecting block 105 during the sliding process. The connecting rod 106 is a variable diameter tube that shrinks from both ends to the middle. It can achieve the raising and lowering of the connecting block 105 by engaging with the connecting block 105.

[0041] A connecting ring 3 is fixedly connected to the lower surface of the fixed ring 1. A ventilation plate 301 is fixedly connected to the inner wall of the connecting ring 3. A movable rod 302 is fixedly connected to the lower end of the connecting rod 106. The movable rod 302 passes through the ventilation plate 301 and is slidably connected to the ventilation plate 301.

[0042] The connecting ring 3, which is fixedly connected to the lower surface of the fixed ring 1, fixes the ventilation plate 301. The ventilation plate 301, which is fixedly connected to the inner wall of the connecting ring 3, can dissipate heat from the inside of the oil cylinder. The hot air is discharged through the ventilation plate 301. The movable rod 302, which is fixedly connected to the lower end of the connecting rod 106, is used to drive the connecting rod 106 to slide, thereby realizing the fixing and disassembly of the fixed ring 1.

[0043] A movable ring 4 is fixedly connected to the lower end of the movable rod 302. A wind deflector 401 is snapped onto the end of the movable ring 4 away from the connecting rod 106. The wind deflector 401 is fan-shaped and foldable.

[0044] The movable ring 4, which is fixedly connected to the lower end of the movable rod 302, is used to connect the wind deflector 401 and the movable rod 302. The wind deflector 401, which is snapped onto the end of the movable ring 4 away from the connecting rod 106, can be rotated to adjust the ventilation duct. In addition, the wind deflector 401 is designed to be foldable to adjust the air volume.

[0045] A cover plate 5 is fixedly connected to the upper surface of the fixing ring 1, and the upper surface of the cover plate 5 abuts against the outer shell 501.

[0046] The cover plate 5, which is fixedly connected to the upper surface of the fixing ring 1, is used to connect the fixing ring 1 and the outer shell 501. The outer shell 501, which abuts against the upper surface of the cover plate 5, is used to protect against oil.

[0047] A plug rod 6 is fixedly connected to the lower surface of the outer casing 501. A plug hole 601 is provided on the outer surface of the plug rod 6, and the plug hole 601 is plugged into the plug pin 103.

[0048] The plug rod 6, which is fixedly connected to the lower surface of the outer casing 501, can be inserted into the pin 103 to fix the fixing ring 1. When fixing, the fixing ring 1 moves upward. During the movement, the pin 103 passes through the groove 101 and is inserted into the hole 601 to fix the fixing ring 1.

[0049] The usage process of the injection cylinder rear cover provided by this utility model is as follows:

[0050] During installation and disassembly, the fixing ring 1 and the insertion rod 6 can be aligned. After alignment, the insertion rod 6 slides down along the groove 101. During the sliding process, the movable rod 302 moves down. As the movable rod 302 moves down, it drives the connecting rod 106 to move down. The downward movement of the connecting rod 106 causes it to move away from the retractable end and engage with the connecting block 105. After engagement, the movable rod 302 is rotated, which in turn causes the connecting rod 106 to rotate. The rotation of the connecting rod 106 causes the connecting block 105 to rotate and causes the spring 104 to retract. The retraction of the spring 104 causes the pin 103 to slide towards the connecting block 105. When the insertion rod 6 and the fixing ring 1 are fully engaged, the movable rod 302 is released. Due to the elasticity of the spring 104, the pin 103 slides in the opposite direction and engages with the insertion hole 601, thereby realizing the disassembly and fixed installation of the back cover.

[0051] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0052] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A rear cover for a hydraulic cylinder, characterized in that, The device includes a fixing ring (1), the upper surface of which is provided with a groove (101), the inner wall of which is fixedly connected with a connecting pipe (102), and the connecting pipe (102) communicates with the groove (101). The inner wall of the connecting pipe (102) is slidably connected with a pin (103), the end of the pin (103) away from the groove (101) is fixedly connected with a spring (104), the other end of the spring (104) is fixedly connected with a connecting block (105), and the upper surface of the connecting block (105) is slidably connected with a connecting rod (106).

2. The rear cover of a hydraulic cylinder according to claim 1, characterized in that, The connecting rod (106) passes through the connecting block (105) and is fixedly connected to the upper end of the limiting block (2). The connecting rod (106) is a variable diameter rod and shrinks from both ends to the middle.

3. The rear cover of a hydraulic cylinder according to claim 1, characterized in that, A connecting ring (3) is fixedly connected to the lower surface of the fixed ring (1), and a ventilation plate (301) is fixedly connected to the inner wall of the connecting ring (3). A movable rod (302) is fixedly connected to the lower end of the connecting rod (106). The movable rod (302) passes through the ventilation plate (301) and is slidably connected to the ventilation plate (301).

4. The rear cover of a hydraulic cylinder according to claim 3, characterized in that, The movable rod (302) is fixedly connected to a movable ring (4) near its lower end. The movable ring (4) is snapped with a wind deflector (401) at the end away from the connecting rod (106). The wind deflector (401) is fan-shaped and foldable.

5. The rear cover of a hydraulic cylinder according to claim 1, characterized in that, The upper surface of the fixed ring (1) is fixedly connected to a cover plate (5), and the upper surface of the cover plate (5) abuts against a shell (501).

6. The rear cover of a hydraulic cylinder according to claim 5, characterized in that, A plug rod (6) is fixedly connected to the lower surface of the outer shell (501), and a plug hole (601) is provided on the outer surface of the plug rod (6), and the plug hole (601) is inserted into the pin (103).

7. The rear cover of a hydraulic cylinder according to claim 3, characterized in that, The movable rod (302) and the connecting rod (106) have the same diameter at their contracted ends, and the connecting block (105) is located at the contracted part of the movable rod (302).

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