Damper convenient to assemble and disassemble

Abstract

The damper convenient to assemble and disassemble comprises a cylinder body, a piston rod, a sealing sleeve and a piston rod pressing structure, a cavity is formed in the middle of the cylinder body, the front end of the cavity is open, the rear end of the cavity is closed, the rear end of the piston rod is inserted into the cavity, and the piston rod and the rear end of the cylinder body are arranged in a spaced mode. The front end of the piston rod protrudes out of the front end of the cylinder body, the sealing sleeve and the piston rod pressing structure are arranged in the cavity in a spaced mode from back to front, and the sealing sleeve is connected with the cylinder body and the piston rod in a sealing mode, so that a sealing cavity is formed by the piston rod and the rear end of the cylinder body. The sealing cavity is filled with high-damping materials, and the piston rod pressing structure is in threaded connection with the cylinder body and is connected with the piston rod in a clamped mode. The damper convenient to assemble and disassemble is simple and reasonable in structure, the piston rod can be compressed inwards by arranging the piston rod pressing structure, the damper can be assembled and disassembled conveniently, and the assembling and disassembling efficiency and safety are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dampers, and in particular provides a damper which is easy to assemble and disassemble. Background Art

[0002] In the prior art, in order to limit the positional relationship between two components or devices and avoid damage to the components or devices due to external force impact, a damper is usually installed between the two components or devices. In order to ensure the structural performance and use effect of the damper, the damper needs to be pre-tightened and assembled between the two components or devices when installed. However, as the working time increases, the damper needs to be repaired and replaced. At this time, the existence of the pre-tightening force will make disassembly difficult, affecting construction efficiency and safety.

[0003] Therefore, how to improve the structure of the damper to facilitate rapid and safe disassembly of the damper has become an urgent problem to be solved. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a damper that is easy to load and unload, so as to at least solve the problem that the existing damper is difficult to disassemble.

[0005] The technical solution provided by the utility model is: a damper which is easy to load and unload, comprising: a cylinder body, a piston rod, a sealing sleeve and a piston rod clamping structure, wherein a cavity is arranged in the middle of the cylinder body, the front end of the cavity is open and the rear end is closed, the rear end of the piston rod is inserted into the cavity, the rear end of the piston rod is spaced apart from the rear end of the cylinder body, the front end of the piston rod protrudes from the front end of the cylinder body, the sealing sleeve and the piston rod clamping structure are spaced apart from each other in the cavity from back to front, the sealing sleeve is sealedly connected to the cylinder body and the piston rod, so that the piston rod and the rear end of the cylinder body form a sealed cavity, the sealed cavity is filled with high damping material, the outer periphery of the piston rod clamping structure is threadedly connected to the inner wall of the cylinder body, and the inner periphery of the piston rod clamping structure is clamped with the piston rod for clamping the piston rod.

[0006] Preferably, a high-pressure one-way valve is provided at the rear end of the cylinder body for injecting the high-damping material into the sealing cavity.

[0007] Further preferably, a mounting flange is connected to the rear end of the cylinder body.

[0008] Further preferably, the sealing sleeve is threadedly connected to the cylinder body.

[0009] Further preferably, the inner periphery and the outer periphery of the sealing sleeve are respectively provided with sealing members cooperating with the piston rod and the cylinder body.

[0010] Further preferably, a first limiting boss is provided at the rear end of the piston rod, and the sealing sleeve cooperates with the first limiting boss to limit the maximum extension length of the piston rod.

[0011] Further preferably, a second limiting boss is provided at the front end of the piston rod, and the piston rod pressing structure cooperates with the second limiting boss to press the piston rod inwardly.

[0012] Further preferably, the piston rod clamping structure includes a limiting plate and a screwing end fixedly connected to the front end of the limiting plate, and the limiting plate is threadedly connected to the inner wall of the cylinder body.

[0013] Further preferably, the high damping material is elastic putty.

[0014] The utility model provides a damper that is easy to load and unload. The piston rod can be compressed inwardly by arranging a piston rod pressing structure, which facilitates the loading and unloading of the damper and improves loading and unloading efficiency and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention is further described in detail below with reference to the accompanying drawings and implementation modes:

[0016] Figure 1 The present invention is a schematic structural diagram of a damper that is easy to assemble and disassemble. DETAILED DESCRIPTION

[0017] The present invention will be further explained below in conjunction with specific implementation schemes, but the present invention is not limited thereto.

[0018] like Figure 1 As shown, the utility model provides a damper which is easy to load and unload, comprising: a cylinder body 1, a piston rod 2, a sealing sleeve 3 and a piston rod pressing structure 4, wherein a cavity is arranged in the middle of the cylinder body 1, the front end of the cavity is open and the rear end is closed, the rear end of the piston rod 2 is inserted into the cavity, the rear end of the piston rod 2 is spaced apart from the rear end of the cylinder body 1, the front end of the piston rod 2 protrudes from the front end of the cylinder body 1, the sealing sleeve 3 and the piston rod pressing structure 4 are spaced apart in the cavity from back to front, the sealing sleeve 3 is sealedly connected with the cylinder body 1 and the piston rod 2, so that the piston rod 2 and the rear end of the cylinder body 1 form a sealed cavity, the sealed cavity is filled with high damping material 5, the outer periphery of the piston rod pressing structure 4 is threadedly connected to the inner wall of the cylinder body 1, and the inner periphery of the piston rod pressing structure 4 is clamped with the piston rod 2, which is used to press the piston rod 2 to prevent the piston rod from continuing to extend from the front end of the cylinder body under the action of the high damping material.

[0019] The installation method of the damper which is easy to load and unload is as follows: before installation, rotate the piston rod clamping structure so that the piston rod clamping structure compresses the piston rod inward. At this time, the damper can be easily installed to the specified position. After the installation is completed, rotate the piston rod clamping structure in the opposite direction so that it does not restrict the piston rod. At this point, the pre-tightening installation of the piston rod is completed; when the damper needs to be removed, rotate the piston rod clamping structure so that it compresses the piston rod inward and limits the piston rod. At this time, the damper can be easily and safely removed.

[0020] This easy-to-load and unload damper can be applied to ring cranes and installed on the steel structure support between the inner and outer tracks of the crane to prevent the crane from sliding sideways and absorb the impact kinetic energy generated by earthquake shear waves.

[0021] As an improvement of the technical solution, Figure 1 As shown, a high-pressure one-way valve 6 is provided at the rear end of the cylinder body 1 for injecting the high-damping material 5 into the sealing cavity. Preferably, the high-damping material 5 is elastic cement.

[0022] As an improvement of the technical solution, Figure 1 As shown, a mounting flange 7 is connected to the rear end of the cylinder body 1 .

[0023] As an improvement of the technical solution, Figure 1 As shown, the sealing sleeve 3 is threadedly connected to the cylinder body 1 .

[0024] As an improvement of the technical solution, Figure 1 As shown, the inner and outer circumferences of the sealing sleeve 3 are respectively provided with sealing members 31 that cooperate with the piston rod 2 and the cylinder body 1 .

[0025] As an improvement of the technical solution, a first limiting boss (not marked in the figure) is provided at the rear end of the piston rod 2 , and the sealing sleeve 3 cooperates with the first limiting boss to limit the maximum extension length of the piston rod 2 .

[0026] As an improvement of the technical solution, a second limiting boss (not marked in the figure) is provided at the front end of the piston rod 2, and the piston rod clamping structure 4 cooperates with the second limiting boss to press the piston rod 2 inward.

[0027] As an improvement of the technical solution, Figure 1 As shown, the piston rod clamping structure 4 includes a limit plate 41 and a screwing end 42 fixedly connected to the front end of the limit plate 41. The limit plate 41 is threadedly connected to the inner wall of the cylinder body 1, and the screwing end can facilitate screwing the piston rod clamping structure.

[0028] The specific implementation methods of the present utility model are written in a progressive manner, emphasizing the differences between the various implementation methods, and the similar parts thereof can be referenced to each other.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A damper that is easy to load and unload, characterized in that: include: A cylinder body (1), a piston rod (2), a sealing sleeve (3) and a piston rod pressing structure (4), wherein a cavity is arranged in the middle of the cylinder body (1), the front end of the cavity is open and the rear end is closed, the rear end of the piston rod (2) is inserted into the cavity, the rear end of the piston rod (2) is arranged at a distance from the rear end of the cylinder body (1), the front end of the piston rod (2) protrudes from the front end of the cylinder body (1), the sealing sleeve (3) and the piston rod pressing structure (4) are arranged at a distance from the back to the front in the cavity, the sealing sleeve (3) is sealedly connected with the cylinder body (1) and the piston rod (2), so that the piston rod (2) and the rear end of the cylinder body (1) form a sealed cavity, the sealed cavity is filled with a high damping material (5), the outer periphery of the piston rod pressing structure (4) is threadedly connected to the inner wall of the cylinder body (1), and the inner periphery of the piston rod pressing structure (4) is clamped with the piston rod (2) for pressing the piston rod (2).

2. The damper that is easy to assemble and disassemble according to claim 1 is characterized in that: A high-pressure one-way valve (6) is provided at the rear end of the cylinder body (1) for injecting the high-damping material (5) into the sealed cavity.

3. The damper that is easy to assemble and disassemble according to claim 1 is characterized in that: The rear end of the cylinder body (1) is connected with a mounting flange (7).

4. The damper that is easy to assemble and disassemble according to claim 1 is characterized in that: The sealing sleeve (3) is threadedly connected to the cylinder body (1).

5. The damper that is easy to assemble and disassemble according to claim 1 is characterized in that: The inner periphery and the outer periphery of the sealing sleeve (3) are respectively provided with sealing members (31) that cooperate with the piston rod (2) and the cylinder body (1).

6. The damper that is easy to assemble and disassemble according to claim 1 is characterized in that: A first limiting boss is provided at the rear end of the piston rod (2), and the sealing sleeve (3) cooperates with the first limiting boss to limit the maximum extension length of the piston rod (2).

7. The damper that is easy to assemble and disassemble according to claim 1 is characterized in that: A second limiting boss is provided at the front end of the piston rod (2), and the piston rod pressing structure (4) cooperates with the second limiting boss to press the piston rod (2) inwardly.

8. The damper that is easy to assemble and disassemble according to claim 1 is characterized in that: The piston rod pressing structure (4) comprises a limiting plate (41) and a screwing end (42) fixedly connected to the front end of the limiting plate (41); the limiting plate (41) is threadedly connected to the inner wall of the cylinder body (1).

9. The damper that is easy to assemble and disassemble according to claim 1 is characterized in that: The high damping material (5) is elastic cement.

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