Guide sleeve with buffer structure

By introducing a buffer structure into the guide sleeve, including the outer ring guide sleeve, the inner ring guide sleeve, the buffer support rod and the connecting ring, the problems of guide sleeve wear and hydraulic oil leakage are solved, and higher wear resistance and service life are achieved.

CN223035410UActive Publication Date: 2025-06-27SICHUAN LIHAI CASTING
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Patent Information

Application Number
CN202422161441.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-06-27
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

The existing guide sleeves have no buffering structure, and the pistons are in direct contact with the guide sleeve, resulting in wear and hydraulic oil leakage.

Method used

A guide sleeve with a buffer structure is designed, including an outer ring guide sleeve, an inner ring guide sleeve, a buffer support rod and a connecting ring, and the buffer effect is achieved through shock absorber gaskets, compression springs and limit rings.

Benefits of technology

The buffer structure reduces the direct contact between the piston and the guide sleeve, improves wear resistance and service life, avoids leakage of hydraulic oil, and facilitates disassembly and maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of soldering machines, and discloses a guide sleeve with a buffer structure, which comprises an outer ring guide sleeve, a damping washer is fixedly arranged at the lower end of the outer ring guide sleeve, an inner cavity is arranged on the inner wall of the outer ring guide sleeve, through holes are arranged on the inner wall of the periphery of the outer ring guide sleeve, and the buffer structure is arranged in the through holes. A connecting mechanism is installed on the inner wall of the inner cavity in a penetrating mode, a damping gasket at the lower end of the outer ring guide sleeve can be lowered during reciprocating motion to achieve buffering, the inner ring guide sleeve is installed through an inner cavity of the inner wall of the outer ring guide sleeve, and the inner ring guide sleeve is fixedly attached to one end of the outer ring guide sleeve through an upper end limiting ring, so that abrasion resistance is improved, and the service life is prolonged; buffering supporting rods are installed in a penetrating mode through the penetrating holes in the upper portion of the outer ring guide sleeve and the installation holes in the outer wall of the inner ring guide sleeve, the buffering supporting rods are installed on the inner wall of the outer ring guide sleeve, and therefore the buffering effect is improved, aging can be avoided, the good use performance is guaranteed, and meanwhile disassembly is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of soldering machines, in particular to a guide sleeve with a buffer structure. Background Technique

[0002] The guide sleeve not only has a supporting function, but also can ensure the coaxiality of the piston rod and the oil cylinder. It is one of the important parts of the hydraulic cylinder. Generally, a guide sleeve is installed on the hydraulic cylinder to guide and limit the piston of the cylinder body through the guide sleeve.

[0003] The existing guide sleeve has no buffer structure. When the piston moves, it directly contacts the guide sleeve. Long-term collision will cause wear of the guide sleeve, and then the leakage of hydraulic oil will occur. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides a guide sleeve with a buffer structure, and solves the problem that in the above-mentioned background technique, the existing guide sleeve has no buffer structure. When the piston moves, it directly contacts the guide sleeve. Long-term collision will cause wear of the guide sleeve, and then the leakage of hydraulic oil will occur.

[0005] To achieve the above object, the utility model is realized through the following technical solutions: A guide sleeve with a buffer structure, including an outer ring guide sleeve, a shock-absorbing washer is fixedly installed at the lower end of the outer ring guide sleeve, an inner cavity is opened on the inner wall of the outer ring guide sleeve, through holes are opened on the inner walls around the outer ring guide sleeve, a connecting mechanism is installed through the inner wall of the inner cavity, and a buffer mechanism is installed through the upper part of the connecting mechanism.

[0006] Further, the shock-absorbing washer is fixedly installed on the outer wall of one end of the outer ring guide sleeve, and the shock-absorbing washer is made of a rubber component.

[0007] Further, the through holes are circumferentially opened on the upper inner wall of the outer ring guide sleeve, and compression springs are installed on the inner walls of the through holes.

[0008] Further, the connecting mechanism includes a chamber opened on the inner wall of the inner ring guide sleeve, a limiting ring is fixedly installed at the upper end of the inner ring guide sleeve, and a plurality of groups of mounting holes are opened around the limiting ring.

[0009] Further, the inner ring guide sleeve is installed through the inner wall of the inner cavity of the outer ring guide sleeve, and the limiting ring is attached to the outer wall of the upper end of the outer ring guide sleeve.

[0010] Further, the buffer mechanism includes a buffer rod, and a connecting ring is fixedly installed at the upper end of the buffer rod.

[0011] Furthermore, there are multiple groups of the buffer struts. The buffer struts are installed through the connecting rings on the inner walls of the limiting rings and the perforations. The connecting rings are made of rubber components, and the buffer struts are made of carbon fiber components.

[0012] The utility model provides a guide sleeve with a buffer structure, having the following beneficial effects:

[0013] The shock-absorbing gasket at the lower end of the outer guide sleeve can reduce the impact during reciprocating motion to play a buffering role. The inner guide sleeve is installed by using the inner cavity of the inner wall of the outer guide sleeve. The inner guide sleeve is fixedly attached to one end of the outer guide sleeve through the upper limiting ring, thereby improving wear resistance and extending the service life.

[0014] The buffer struts are installed through the perforations above the outer guide sleeve and the mounting holes on the outer wall of the inner guide sleeve. The buffer struts are installed on the inner wall of the outer guide sleeve, thereby improving the buffering effect, avoiding aging, ensuring excellent performance during use, and being convenient for disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the utility model;

[0016] Figure 2 is a schematic structural diagram of the connecting mechanism of the utility model;

[0017] Figure 3 is a schematic structural diagram of the buffer mechanism of the utility model.

[0018] In the figure: 1. Outer guide sleeve; 2. Shock-absorbing washer; 3. Inner cavity; 4. Perforation; 5. Connecting mechanism; 51. Inner guide sleeve; 52. Chamber; 53. Limiting ring; 54. Mounting hole; 6. Buffer mechanism; 61. Buffer strut; 62. Connecting ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0020] Please refer to Figures 1 to 3, the present utility model provides a technical solution: a guide sleeve with a buffer structure, including an outer ring guide sleeve 1, a shock-absorbing washer 2 is fixedly installed at the lower end of the outer ring guide sleeve 1, an inner cavity 3 is provided on the inner wall of the outer ring guide sleeve 1, through holes 4 are provided on the inner walls around the outer ring guide sleeve 1, a connecting mechanism 5 is installed through the inner wall of the inner cavity 3 of the outer ring guide sleeve 1, a buffer mechanism 6 is installed through above the connecting mechanism 5, the shock-absorbing washer 2 is fixedly installed on the outer wall of one end of the outer ring guide sleeve 1, the shock-absorbing washer 2 is made of a rubber component, the through holes 4 are circumferentially provided on the upper inner wall of the outer ring guide sleeve 1, and compression springs are installed on the inner walls of the through holes 4.

[0021] The connecting mechanism 5 includes a chamber 52 provided on the inner wall of an inner ring guide sleeve 51, a limiting ring 53 is fixedly installed at the upper end of the inner ring guide sleeve 51, a plurality of mounting holes 54 are provided around the limiting ring 53, the inner ring guide sleeve 51 is installed through the inner wall of the inner cavity 3 of the outer ring guide sleeve 1, the limiting ring 53 is attached to the outer wall of the upper end of the outer ring guide sleeve 1, the shock-absorbing gasket at the lower end of the outer ring guide sleeve 1 can reduce buffering during reciprocating motion, the inner ring guide sleeve 51 is installed using the inner cavity 3 on the inner wall of the outer ring guide sleeve 1, and the inner ring guide sleeve 51 is fixedly attached to one end of the outer ring guide sleeve 1 through the upper limiting ring 53.

[0022] The buffer mechanism 6 includes buffer support rods 61, a connecting ring 62 is fixedly installed at the upper end of the buffer support rods 61, the number of buffer support rods 61 is multiple, the buffer support rods 61 are installed through the limiting ring 53 and the inner walls of the through holes 4 through the connecting ring 62, the connecting ring 62 is made of a rubber component, the buffer support rods 61 are made of carbon fiber components, the buffer support rods 61 are installed through the through holes 4 above the outer ring guide sleeve 1 and the mounting holes 54 on the outer wall of the inner ring guide sleeve 51, and the buffer support rods 61 are installed on the inner wall of the outer ring guide sleeve 1, thereby improving the buffer effect, avoiding aging, ensuring excellent performance during use, and being convenient for disassembly.

[0023] Details of known functions and known components are omitted in the specific implementation manners of the present disclosure. To ensure the compatibility of the device, the operating means adopted are consistent with the parameters of market instruments.

[0024] In summary, the operation steps of the guide sleeve with a buffer structure are as follows;

[0025] During use, the shock-absorbing gasket at the lower end of the outer ring guide sleeve 1 can reduce buffering during reciprocating motion, the inner ring guide sleeve 51 is installed using the inner cavity 3 on the inner wall of the outer ring guide sleeve 1, and the inner ring guide sleeve 51 is fixedly attached to one end of the outer ring guide sleeve 1 through the upper limiting ring 53, thereby improving wear resistance and service life. The buffer support rods 61 are installed through the through holes 4 above the outer ring guide sleeve 1 and the mounting holes 54 on the outer wall of the inner ring guide sleeve 51, and the buffer support rods 61 are installed on the inner wall of the outer ring guide sleeve 1, thereby improving the buffer effect, avoiding aging, ensuring excellent performance during use, and being convenient for disassembly.

[0026] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A guide sleeve with a buffer structure, comprising an outer ring guide sleeve (1), characterized in that: A shock-absorbing washer (2) is fixedly installed at the lower end of the outer ring guide sleeve (1), an inner cavity (3) is provided on the inner wall of the outer ring guide sleeve (1), holes (4) are provided on the inner wall around the outer ring guide sleeve (1), a connecting mechanism (5) is installed through the inner wall of the inner cavity (3), and a buffer mechanism (6) is installed through the upper part of the connecting mechanism (5).

2. The guide sleeve with a buffer structure according to claim 1, characterized in that: The shock-absorbing washer (2) is fixedly mounted on the outer wall of one end of the outer ring guide sleeve (1), and the shock-absorbing washer (2) is made of a rubber component.

3. The guide sleeve with a buffer structure according to claim 1, characterized in that: The through hole (4) is circumferentially arranged on the inner wall of the upper end of the outer ring guide sleeve (1), and a compression spring is installed on the inner wall of the through hole (4).

4. The guide sleeve with a buffer structure according to claim 1, characterized in that: The connection mechanism (5) comprises an inner ring guide sleeve (51) whose inner wall is provided with a chamber (52), a limit ring (53) is fixedly mounted on the upper end of the inner ring guide sleeve (51), and a plurality of mounting holes (54) are arranged around the limit ring (53).

5. The guide sleeve with a buffer structure according to claim 4, characterized in that: The inner ring guide sleeve (51) is installed through the inner wall of the inner cavity (3) of the outer ring guide sleeve (1), and the limiting ring (53) is attached to the outer wall of the upper end of the outer ring guide sleeve (1).

6. The guide sleeve with a buffer structure according to claim 1, characterized in that: The buffer mechanism (6) comprises a buffer support rod (61), and a connecting ring (62) is fixedly mounted on the upper end of the buffer support rod (61).

7. The guide sleeve with a buffer structure according to claim 6, characterized in that: The buffer support rods (61) are provided in multiple groups. The buffer support rods (61) are installed on the limiting ring (53) and the inner wall of the through hole (4) through a connecting ring (62). The connecting ring (62) is made of a rubber component, and the buffer support rods (61) are made of a carbon fiber component.