CN216334009U

CN216334009U - Oilless bushing

Info

Publication number: CN216334009U
Application number: CN202122691028.2U
Authority: CN
Inventors: 李小勇
Original assignee: Jiangxi Wansheng Precision Industry Co ltd
Current assignee: Jiangxi Wansheng Precision Industry Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-19
Anticipated expiration: 2031-11-04

Abstract

The utility model provides an oilless bushing, which comprises a mounting pipe and a cover; the lid that the symmetry set up from beginning to end is demountable installation respectively in both ends around the installation pipe, the symmetry sets up from beginning to end the lid with the installation pipe is used for depositing oil-free bush, be equipped with in the lid and be used for absorbing damper. Through both ends set up the detachable lid around the installation pipe, can fix the oilless lining installation in the installation pipe, through set up damper in the lid, can receive when vibrations at oilless lining, through damper shock attenuation.

Description

Oilless bushing

Technical Field

The utility model relates to the technical field of bushings, in particular to an oil-free bushing.

Background

The oilless bush is a high-force brass bearing which is lubricated by oil channel oil. The product has the function of a traditional tin bronze bearing, and the HB hardness of the product is doubled after high-force brass (ZCuZn25Al6Fe3Mn4) is adopted, so that the service life of the product used in a low-speed occasion can be doubled compared with that of a common bronze sleeve, and the bearing pressure of the product is large, so that the product can be suitable for heavy-load occasions.

However, in the prior art, when the oilless bushing is transported or stored, the oilless bushing is easily damaged by collision due to the lack of a structure for storing the oilless bushing, so that the oilless bushing cannot be installed and used.

To this end, the present invention provides an oilless bushing for protecting the oilless bushing.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the present invention provides an oilless bushing including a mounting tube and a cover; the lid that the symmetry set up from beginning to end is demountable installation respectively in both ends around the installation pipe, the symmetry sets up from beginning to end the lid with the installation pipe is used for depositing oil-free bush, be equipped with in the lid and be used for absorbing damper.

Adopt above-mentioned technical scheme, both ends set up the detachable lid through around the installation pipe, can fix the oilless bush installation in the installation pipe, through set up damper in the lid, can receive when vibrations at the oilless bush, through the damper shock attenuation.

Preferably, the inner cavity of the installation pipe is uniformly provided with a plurality of rubber columns, and the rubber columns can elastically stretch out and draw back.

Adopt above-mentioned technical scheme, through setting up a plurality of rubber columns, can receive the striking of side at the installation pipe, the flexible impact that absorbs through the elasticity of rubber column, protect the oilless bush in the installation pipe.

Preferably, the damper assembly includes a damper plate movable forward and backward.

By adopting the technical scheme, the shock absorption plate capable of moving back and forth is arranged, so that the impact force can be absorbed through the back and forth movement of the shock absorption plate when the oilless bushing is subjected to the impact force in the front and back directions, and the oilless bushing in the installation pipe is protected.

Preferably, a groove is formed in one side, close to each other, of the cover and the mounting pipe, a mounting ring is arranged on the bottom surface of the groove, the damping assembly comprises a sliding block, the sliding block can slide in the front and back direction of an inner cavity of the mounting ring, a connecting rod is arranged at one end of the sliding block, one end, extending out of the mounting ring, of the connecting rod is fixedly connected with the damping plate, a spring is arranged in the mounting ring, and two ends of the spring are respectively abutted to the groove and the sliding block.

By adopting the technical scheme, the front and back movement of the damping plate is realized by arranging the sliding block which can move back and forth in the mounting ring, and the impact force can be further absorbed by the spring by arranging the spring, so that the oilless bushing in the mounting pipe is further protected.

Preferably, one end of the mounting ring, which is close to the damping plate, is provided with a limiting ring which is turned inwards, the inner diameter of the limiting ring is larger than the diameter of the connecting rod, and the inner diameter of the limiting ring is smaller than the diameter of the sliding block.

By adopting the technical scheme, the position of the front and back movement of the damping plate can be limited by arranging the limiting ring, and the sliding block is prevented from sliding out of the mounting ring.

Preferably, the covers symmetrically arranged in the front and the back are respectively arranged at the front end and the back end of the mounting pipe through threads.

By adopting the technical scheme, the cover can be detachably mounted by arranging the cover to be connected with the mounting pipe through threads.

Compared with the prior art, the utility model has the beneficial effects that:

1. the oil-free bushing is fixedly installed in the installation pipe by arranging the detachable covers at the front end and the rear end of the installation pipe, and the shock absorption assembly is arranged in the covers, so that the shock absorption can be realized through the shock absorption assembly when the oil-free bushing is vibrated;

2. according to the utility model, by arranging the plurality of rubber columns, when the installation pipe is impacted by the side surface, the impact force can be absorbed through the elastic expansion of the rubber columns, so that the oilless lining in the installation pipe is protected;

3. according to the utility model, the shock absorption plate capable of moving back and forth is arranged, so that when the oilless bushing is subjected to impact force in the front and back directions, the impact force can be absorbed through the back and forth movement of the shock absorption plate, and the oilless bushing in the installation pipe is protected;

4. the shock absorption plate is provided with the spring, so that the impact force can be further absorbed by the spring, and the oilless bushing in the installation pipe is further protected;

5. according to the utility model, the limiting ring is arranged, so that the front and back movement position of the damping plate can be limited, and the sliding block is prevented from sliding out of the mounting ring;

6. according to the utility model, the cover is connected with the mounting pipe through the threads, so that the cover can be detachably mounted.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the mounting tube of the present invention;

FIG. 3 is an enlarged view of the lid of the present invention;

fig. 4 is a cross-sectional view of the cap of the present invention.

In the figure: 1. installing a pipe; 11. a rubber column; 2. a cover; 21. a groove; 22. a mounting ring; 221. a limiting ring; 3. a shock absorbing assembly; 31. a damper plate; 32. a slider; 33. a connecting rod; 34. a spring.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to be limiting of the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

Referring to fig. 1 to 4, an oilless bushing includes a mounting tube 1 and a cover 2; symmetry sets up from beginning to end lid 2 respectively demountable installation be in both ends around installation pipe 1, the symmetry sets up from beginning to end lid 2 with installation pipe 1 is used for depositing oil-free bush, be equipped with in the lid 2 and be used for absorbing damper assembly 3.

Please refer to fig. 2 again, a plurality of rubber columns 11 are uniformly arranged in the inner cavity of the installation tube 1, and the rubber columns 11 can elastically stretch out and draw back.

Referring to fig. 3 and 4, the damper assembly 3 includes a damper plate 31 movable forward and backward, a groove 21 is arranged at one side of the cover 2, which is close to the mounting tube 1, a mounting ring 22 is arranged at the bottom surface of the groove 21, the shock absorbing component 3 comprises a sliding block 32, the sliding block 32 can slide back and forth in the inner cavity of the mounting ring 22, one end of the sliding block 32 is provided with a connecting rod 33, one end of the connecting rod 33 extending out of the mounting ring 22 is fixedly connected with the damping plate 31, a spring 34 is arranged in the mounting ring 22, two ends of the spring 34 are respectively abutted with the groove 21 and the slide block 32, one end of the mounting ring 22 close to the damping plate 31 is provided with a limiting ring 221 which is turned inwards, the inner diameter of the limiting ring 221 is larger than the diameter of the connecting rod 33, and the inner diameter of the limiting ring 221 is smaller than the diameter of the sliding block 32.

Referring to fig. 1 again, the caps 2, which are symmetrically arranged in the front and rear direction, are respectively installed at the front and rear ends of the installation pipe 1 by means of screw threads.

An implementation mode of an oil-free bushing in the first embodiment of the utility model is as follows:

the oil-free bushing is installed in the installation pipe 1, and the two covers 2 are respectively installed at the front end and the rear end of the installation pipe 1 through threads, so that the oil-free bushing is installed and fixed in the inner cavity of the installation pipe 1; when installation pipe 1 receives the impact force of fore-and-aft direction, oil-free bush is driven and is removed in the fore-and-aft direction, thereby the shock attenuation board 31 at both ends around the striking, shock attenuation board 31 receives to drive slider 32 and removes in the collar 22 after assaulting, owing to be provided with spring 34, spring 34 is absorbed the impact force after being compressive deformation, and can resume the power of deformation through spring 34 with slider 32 outwards pushing up to collar 22, thereby offset the impact force, when installation pipe 1 received the impact force of side, oil-free bush is driven and is rocked at the inner wall of installation pipe 1, owing to be provided with a plurality of rubber column 11, and rubber column 11 can elastic expansion, thereby can absorb the impact force of side direction, protect oil-free bush.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. An oilless bushing, characterized in that: comprises an installation pipe (1) and a cover (2);

symmetry sets up around lid (2) respectively demountable installation be in both ends around installation pipe (1), the symmetry sets up around lid (2) with installation pipe (1) is used for depositing oil-free bush, be equipped with in lid (2) and be used for absorbing damper assembly (3).

2. An oil-free bushing according to claim 1, wherein: the inner chamber of installation pipe (1) evenly is equipped with a plurality of rubber columns (11), but rubber column (11) elastic expansion.

3. An oil-free bushing according to claim 1, wherein: the damper assembly (3) includes a damper plate (31) movable forward and backward.

4. An oil-free bushing according to claim 3, wherein: lid (2) with one side that installation pipe (1) is close to each other is equipped with recess (21), the bottom surface of recess (21) is equipped with collar (22), damper unit (3) include slider (32), slider (32) can slide around the inner chamber of collar (22), the one end of slider (32) is equipped with connecting rod (33), connecting rod (33) stretch out the one end of collar (22) with shock attenuation board (31) fixed connection, be equipped with spring (34) in collar (22), the both ends of spring (34) respectively with recess (21) with slider (32) butt.

5. An oil-free bushing according to claim 4, wherein: one end of the mounting ring (22) close to the damping plate (31) is provided with a limiting ring (221) which is turned inwards, the inner diameter of the limiting ring (221) is larger than the diameter of the connecting rod (33), and the inner diameter of the limiting ring (221) is smaller than the diameter of the sliding block (32).

6. An oil-free bushing according to claim 1, wherein: the covers (2) which are symmetrically arranged in the front and back are respectively arranged at the front end and the back end of the mounting pipe (1) through threads.