Internal reinforcing type damping guider

By setting a detachable guide tube in the guide main body and reinforcing it with fill blocks and covers, the problem of deformation of the guide during long-term use is solved, and the rapid maintenance of the guide and the reduction of maintenance costs are achieved.

CN222836155UActive Publication Date: 2025-05-06NINGBO TUOFA AUTO PARTS CO LTD
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Patent Information

Application Number
CN202421985161.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-05-06
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

In the prior art, during long-term use, the guide has a high-strength working state because the inner wall needs to slide and rub with the piston rod and bear huge lateral forces, and it is easy to deform under a high-strength working state, affecting the sealing property and resulting in high maintenance costs.

Method used

An internal reinforced shock absorber is designed to prevent the guide tube from deforming during operation by providing a removable guide tube in the main body of the guide and reinforcing it from inside with a filling block and a cover. When the guide tube is damaged, it can be replaced quickly to avoid overall guide replacement.

Benefits of technology

Effectively prevent the guide from deforming under high-strength working conditions, reduce maintenance costs, and improve the service life of the guide.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an internal reinforcing type shock absorption guider, which relates to the technical field of shock absorption guiders and comprises a guider body, fixing rods are fixedly connected to the inner bottom of the guider body at equal intervals, and hexagonal nuts are connected to the outer surfaces of the fixing rods in a threaded and drilled mode. During use, under the matching action of the guider main body, the mounting ring block, the outer ring groove, a first sealing ring, a fixing rod, a hexagon nut, a gasket, a filling block, a sealing cover, an inserting hole, a limiting hole and a guiding assembly, the detachable guiding pipe is arranged in the guider main body, and after the guiding pipe is fixed, the filling block and the sealing cover abut against the interior to be reinforced; and when the guide pipe in the guider is damaged, the guide pipe can be quickly replaced only by sequentially disassembling the sealing cover, taking out the filling block and screwing out the hexagon nuts, so that the overall guider is prevented from being replaced, and the maintenance cost is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of shock-absorbing guides, in particular to an internally reinforced shock-absorbing guide. Background Art

[0002] The shock absorber is mainly used to suppress the shock when the spring rebounds after absorbing the shock and the impact from the road. When passing through uneven roads, although the shock-absorbing spring can filter the vibration of the road, the spring itself will still have reciprocating motion, and the shock absorber is used to suppress this spring jump. It includes a piston rod, a cylinder, a piston and a guide. The guide is an important component in the shock absorber. It plays a good guiding role in the movement of the piston rod in the shock absorber, and also bears the huge lateral force generated thereby. The working cylinder and the oil storage cylinder are connected through the oil hole of the guide.

[0003] In the prior art, during long-term use, the inner wall of the guide not only needs to slide and rub against the outer surface of the piston rod, but is also subjected to huge lateral force, and is easily deformed under high-intensity working conditions. Once the inner wall of the guide is deformed, the overall sealing performance is directly affected, and the entire guide needs to be replaced, which has a high maintenance cost. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that during long-term use, the inner wall of the guide not only needs to slide and rub against the outer surface of the piston rod, but is also subjected to huge lateral force, so it is easy to deform under high-intensity working conditions. Once the inner wall of the guide is deformed, it directly affects the overall sealing performance, and the entirety needs to be replaced, resulting in high maintenance costs. An internally reinforced shock-absorbing guide is proposed to solve the problem.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an internally reinforced shock-absorbing guide, comprising: a guide body, the inner bottom of the guide body is equidistantly fixedly connected with fixing rods, the outer surfaces of the plurality of fixing rods are threaded and drilled with hexagonal nuts, the outer surface of the guide body is provided with an outer ring groove, and the inner surface of the outer ring groove is provided with a first sealing ring; a guide assembly, the guide assembly is arranged on the inner surface of the guide body, the guide assembly comprises a guide tube, the outer surface of the guide tube is fixedly connected with an outer ring block near the bottom, the bottom of the guide tube is provided with an inner ring groove near the center, and the inner surface of the inner ring groove is provided with a second sealing ring.

[0006] Preferably, the outer ring block slides through a plurality of fixing rods, and the outer surface of the outer ring block fits with the inner surface of the guide body.

[0007] Preferably, a gasket is sleeved on the outer surface of the fixing rod, the bottom of the gasket fits with the top of the outer ring block, and the top of the gasket fits with the bottom of the hexagonal nut.

[0008] Preferably, a plurality of rubber pads are equidistantly arranged at the bottom of the outer ring block, and the bottoms of the plurality of rubber pads are all in contact with the inner bottom of the guide body.

[0009] Preferably, a filling block is provided on the inner surface of the guide body, the outer surface of the filling block is in contact with the inner surface of the guide body, and the inner surface of the filling block is in contact with the outer surface of the guide tube.

[0010] Preferably, a plurality of limiting holes are equidistantly formed at the bottom of the filling block, and the limiting holes are matched with the fixing rod.

[0011] Preferably, a sealing cover is threadedly connected to the inner surface of the guide body near the top, and the bottom of the sealing cover is fitted with the top of the filling block.

[0012] Preferably, a plurality of insertion holes are equidistantly formed on the top of the cover, and a mounting ring block is fixedly connected to a position near the top of the outer surface of the guide body.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, when in use, a detachable guide tube is arranged inside the guide body through the cooperation of the guide body, the mounting ring block, the outer ring groove, the first sealing ring, the fixing rod, the hexagonal nut, the gasket, the filling block, the cover, the jack, the limiting hole and the guide assembly. After the guide tube is fixed, the filling block and the cover are reinforced from the inside to prevent the guide tube from being deformed during operation. When the guide tube in the guide is damaged, the cover only needs to be removed in sequence, the filling block is taken out and the multiple hexagonal nuts are unscrewed to quickly replace the guide tube, thereby avoiding the replacement of the guide as a whole and reducing the maintenance cost.

[0015] 2. In the utility model, when in use, multiple insertion holes are equidistantly provided on the outer surface of the cover, so that personnel can use cylindrical tools with the same aperture to insert into the multiple insertion holes for rotation, thereby driving the cover to be rotated out from the inside of the guide body, which is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of an internally reinforced shock-absorbing guide proposed by the utility model;

[0017] Figure 2 A bottom view of an internally reinforced shock-absorbing guide is provided for the utility model;

[0018] Figure 3A schematic diagram of the guide main body structure of an internally reinforced shock-absorbing guide proposed in the utility model;

[0019] Figure 4 A schematic diagram of the structure of a guide assembly of an internally reinforced shock-absorbing guider is provided for the utility model;

[0020] Figure 5 The utility model provides a structural schematic diagram of a filling block of an internally reinforced shock-absorbing guide.

[0021] Legend: 1. Guide body; 2. Mounting ring block; 3. Outer ring groove; 4. First sealing ring; 5. Guide assembly; 501. Guide tube; 502. Outer ring block; 503. Rubber pad; 504. Inner ring groove; 505. Second sealing ring; 6. Fixing rod; 7. Hexagonal nut; 8. Gasket; 10. Filling block; 11. Cover; 12. Socket; 13. Limit hole. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Example 1: Figure 1-Figure 5As shown, the utility model provides an internally reinforced shock-absorbing guide, comprising: a guide body 1, the inner bottom of the guide body 1 is equidistantly fixedly connected with fixing rods 6, the outer surfaces of the plurality of fixing rods 6 are all threaded and drilled with hexagonal nuts 7, the outer surface of the guide body 1 is provided with an outer ring groove 3, the inner surface of the outer ring groove 3 is provided with a first sealing ring 4; a guide assembly 5, the guide assembly 5 is arranged on the inner surface of the guide body 1, the guide assembly 5 comprises a guide tube 501, the outer surface of the guide tube 501 is fixedly connected with an outer ring block 502 near the bottom, the bottom of the guide tube 501 is provided with an inner ring groove 504 near the center, the inner surface of the inner ring groove 504 is provided with a second sealing ring 505, the outer ring block 502 and A plurality of fixing rods 6 slide through, the outer surface of the outer ring block 502 fits with the inner surface of the guide body 1, the outer surface of the fixing rod 6 is sleeved with a gasket 8, the bottom of the gasket 8 fits with the top of the outer ring block 502, the top of the gasket 8 fits with the bottom of the hexagonal nut 7, a plurality of rubber pads 503 are equidistantly arranged at the bottom of the outer ring block 502, the bottoms of the plurality of rubber pads 503 all fit with the inner bottom of the guide body 1, a filling block 10 is arranged on the inner surface of the guide body 1, the outer surface of the filling block 10 fits with the inner surface of the guide body 1, the inner surface of the filling block 10 fits with the outer surface of the guide tube 501, a plurality of limiting holes 13 are equidistantly provided at the bottom of the filling block 10, and the limiting holes 13 are matched with the fixing rod 6.

[0025] The effect achieved by the entire embodiment 1 is that when the guide is installed, the guide tube 501 is placed inside the guide body 1, and the outer ring block 502 slides down along the outer surface of the plurality of fixing rods 6 until the guide tube 501 is inserted into the guide body 1. The outer surface of the guide tube 501 is close to the bottom and fits with the inner surface of the guide body 1, and the outer ring block 502 fits with the inner bottom of the guide body 1. Multiple washers 8 and hexagonal nuts 7 are sequentially sleeved along the surfaces of the plurality of fixing rods 6, and multiple hexagonal nuts 7 are sequentially screwed with tools to tighten the six Under the action of the threaded rotation connection between the angle nut 7 and the fixing rod 6, the gasket 8 is squeezed, so that the outer ring block 502 moves downward tightly and fits the inner bottom of the guide body 1. Under the action of pressure, the multiple rubber pads 503 arranged at the bottom of the outer ring block 502 will be deformed, filling the gap between the outer ring block 502 and the guide body 1, playing a fixing role. The bottom of the guide tube 501 is provided with an inner ring groove 504, and the inner surface of the inner ring groove 504 is provided with a second sealing ring 505. When the piston rod slides and rubs against the inner wall of the guide tube 501, the second sealing ring 505 The second sealing ring 505 plays a sealing role. When the filling block 10 is placed in contact with the inner surface of the guide body 1 and the outer surface of the guide tube 501, a plurality of limiting holes 13 equidistantly provided at the bottom cooperate with a plurality of fixing rods 6 to play a limiting role. Then the cover 11 is screwed into the inner surface of the guide body 1 to play a role in sealing the inside of the guide body 1. At the same time, it resists the filling block 10 and cooperates with the filling block 10 to support the guide tube 501 to prevent it from deforming under high-intensity working conditions. It plays the role of internal reinforcement. After the assembly is completed, the guide body 1 is inserted into the shock absorber cylinder sleeve, so that the first sealing ring 4 arranged in the outer ring groove 3 fits with the inner surface of the cylinder sleeve for sealing until the mounting ring block 2 contacts the top of the cylinder sleeve, and a plurality of bolts are used to thread the mounting ring block 2 and the cylinder sleeve. When the guide tube 501 in the guide is damaged, it is only necessary to remove the cover 11 in turn, take out the filling block 10 and unscrew the plurality of hexagonal nuts 7, so as to quickly replace the guide tube 501, thereby avoiding the replacement of the entire guide and reducing the maintenance cost.

[0026] Example 2: Figure 1-Figure 5 As shown, a cover 11 is threadedly connected to the inner surface of the guide body 1 near the top, the bottom of the cover 11 fits with the top of the filling block 10, a plurality of sockets 12 are equidistantly provided on the top of the cover 11, and a mounting ring block 2 is fixedly connected to the outer surface of the guide body 1 near the top.

[0027] The effect achieved by the entire embodiment 2 is that, when in use, by opening a plurality of equidistant holes 12 on the outer surface of the cover 11, it is convenient for personnel to use a cylindrical tool with the same aperture to insert into the plurality of holes 12 and rotate, thereby driving the cover 11 to be rotated out from the inside of the guide body 1, which is highly practical.

[0028] Working principle: When installing the guide, put the guide tube 501 into the guide body 1, and the outer ring block 502 slides down along the outer surface of the multiple fixing rods 6 until the guide tube 501 is inserted into the guide body 1. The outer surface of the guide tube 501 is close to the bottom and fits with the inner surface of the guide body 1. The outer ring block 502 fits with the inner bottom of the guide body 1. Multiple gaskets 8 and hexagonal nuts 7 are sequentially sleeved along the surfaces of the multiple fixing rods 6, and multiple hexagonal nuts 7 are screwed in sequence using tools. Under the action of the threaded rotation connection between the hexagonal nuts 7 and the fixing rods 6, the gaskets are squeezed. 8, and then the outer ring block 502 moves downward closely to fit the inner bottom of the guide body 1. Under the action of pressure, the multiple rubber pads 503 arranged at the bottom of the outer ring block 502 will be deformed to fill the gap between the outer ring block 502 and the guide body 1, playing a fixing role. The bottom of the guide tube 501 is provided with an inner ring groove 504, and the inner surface of the inner ring groove 504 is provided with a second sealing ring 505. When the piston rod slides and rubs against the inner wall of the guide tube 501, the second sealing ring 505 plays a sealing role. When the filling block 10 fits the inner surface of the guide body 1 and the guide tube 5 01 is put into the outer surface of the guide body 1, and the multiple limiting holes 13 equidistantly opened at the bottom cooperate with the multiple fixing rods 6 to play a limiting role. Then the cover 11 is screwed into the inner surface of the guide body 1 to play an internal sealing role for the guide body 1, and at the same time, it resists the filling block 10 and cooperates with the filling block 10 to support the guide tube 501 to prevent it from deforming under high-intensity working conditions, which plays an internal reinforcement role. After the assembly is completed, the guide body 1 is inserted into the shock absorber cylinder sleeve so that the first sealing ring 4 set in the outer ring groove 3 is in contact with the inner surface of the cylinder sleeve. The surfaces are fitted together for sealing until the mounting ring block 2 contacts the top of the cylinder liner, and a plurality of bolts are used to thread the mounting ring block 2 and the cylinder liner. When the guide tube 501 in the guide is damaged, it is only necessary to remove the cover 11 in turn, take out the filling block 10 and unscrew a plurality of hexagonal nuts 7, so that the guide tube 501 can be quickly replaced, thereby avoiding replacement of the entire guide. By providing a plurality of equidistant holes 12 on the outer surface of the cover 11, it is convenient for personnel to use cylindrical tools with the same aperture to insert them into the plurality of holes 12 for rotation, thereby driving the cover 11 to be unscrewed from the inside of the guide body 1, which is highly practical.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An internally reinforced shock absorbing guide, characterized in that: include: A guide body (1), wherein the inner bottom of the guide body (1) is equidistantly fixedly connected with fixing rods (6), the outer surfaces of the fixing rods (6) are all threaded and drilled with hexagonal nuts (7), the outer surface of the guide body (1) is provided with an outer ring groove (3), and the inner surface of the outer ring groove (3) is provided with a first sealing ring (4); A guide assembly (5), wherein the guide assembly (5) is arranged on the inner surface of the guide body (1), and the guide assembly (5) comprises a guide tube (501), an outer ring block (502) is fixedly connected to the outer surface of the guide tube (501) near the bottom, an inner ring groove (504) is provided near the center of the bottom of the guide tube (501), and a second sealing ring (505) is provided on the inner surface of the inner ring groove (504).

2. The internally reinforced shock absorbing guide according to claim 1, characterized in that: The outer ring block (502) slides through a plurality of fixing rods (6), and the outer surface of the outer ring block (502) fits the inner surface of the guide body (1).

3. The internally reinforced shock absorbing guide according to claim 2, characterized in that: The outer surface of the fixing rod (6) is sleeved with a gasket (8), the bottom of the gasket (8) is in contact with the top of the outer ring block (502), and the top of the gasket (8) is in contact with the bottom of the hexagonal nut (7).

4. The internally reinforced shock-absorbing guide according to claim 3, characterized in that: A plurality of rubber pads (503) are equidistantly arranged at the bottom of the outer ring block (502), and the bottoms of the plurality of rubber pads (503) are all in contact with the inner bottom of the guide body (1).

5. The internally reinforced shock absorbing guide according to claim 4, characterized in that: A filling block (10) is arranged on the inner surface of the guide body (1), the outer surface of the filling block (10) is in contact with the inner surface of the guide body (1), and the inner surface of the filling block (10) is in contact with the outer surface of the guide tube (501).

6. The internally reinforced shock-absorbing guide according to claim 5, characterized in that: The bottom of the filling block (10) is provided with a plurality of limiting holes (13) at equal intervals, and the limiting holes (13) are matched with the fixing rod (6).

7. The internally reinforced shock-absorbing guide according to claim 6, characterized in that: A sealing cover (11) is threadably connected to a position near the top of the inner surface of the guide body (1), and the bottom of the sealing cover (11) is in contact with the top of the filling block (10).

8. The internally reinforced shock-absorbing guide according to claim 7, characterized in that: The top of the sealing cover (11) is provided with a plurality of insertion holes (12) at equal intervals, and a mounting ring block (2) is fixedly connected to a position near the top of the outer surface of the guide body (1).