High-temperature-resistant graphite copper bush

Abstract

The utility model provides a high-temperature-resistant graphite copper sleeve, and belongs to the technical field of bearings. A high-temperature-resistant graphite copper sleeve comprises a copper sleeve body, the copper sleeve body is provided with a plurality of through holes, the through holes comprise a first column hole and a second column hole, the diameter of the second column hole is larger than that of the first column hole, and a step part is formed; the graphite columns correspond to the through holes, the graphite columns are installed in the through holes, the graphite columns are provided with limiting parts corresponding to the step parts, and the limiting parts abut against the step parts so as to limit the graphite columns from entering the channel of the copper bush body; the first sleeve body sleeves the outer side of the copper sleeve main body and seals the outer end of the through hole; the first sleeve body is arranged on the outer side of the copper sleeve body in a sleeving mode and seals the outer end of the through hole, and the first sleeve body and the second sleeve body are fixedly connected; the first sleeve body and the second sleeve body seal the outer ends of all the through holes.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bearing technical field, especially a high temperature resistance graphite copper bush. BACKGROUND

[0002] The graphite copper bush is a kind of self-lubricating bearing parts, commonly used in mechanical equipment, and widely used in high temperature, high load or no lubrication conditions under the moving parts.

[0003] At present, graphite column is mainly connected with copper bush by glue, and this connecting mode has certain defects, graphite column is prone to displacement or falling off under high temperature or high load environment, and further affect the lubricating performance of copper bush. SUMMARY

[0004] The utility model discloses a kind of high temperature resistance graphite copper bush, with the advantage of avoiding graphite column falling off, to the above problems existing in prior art.

[0005] The utility model discloses the purpose can be realized by the following technical solutions:

[0006] A kind of high temperature resistance graphite copper bush, comprising:

[0007] Copper bush body, the copper bush body has several through holes, the through hole includes first column hole and second column hole, the second column hole diameter is greater than the first column hole, and form step portion;

[0008] Several graphite columns corresponding to through hole, the graphite column is installed in the through hole, and graphite column has limit portion corresponding to step portion, the limit portion is abutted with the step portion, to limit the graphite column enters the passageway of copper bush body;

[0009] First sleeve body, the first sleeve body is sleeved in the outer side of the copper bush body, and the outer end of the through hole is closed;

[0010] Second sleeve body, the second sleeve body is sleeved in the other side of the copper bush body, and the outer end of the through hole is closed, the first sleeve body and second sleeve body are fixedly connected;

[0011] Wherein, the first sleeve body and second sleeve body close the outer end of all through holes.

[0012] In the above high temperature resistance graphite copper bush, the first sleeve body has first fastening portion, first connecting portion, the second sleeve body has second fastening portion and second connecting portion, the first fastening portion is arranged at one end of the copper bush body, the second fastening portion is arranged at the other end of the copper bush body, the first connecting portion and second connecting portion are connected by bolt.

[0013] The first fastening part is provided with a first protrusion, the second fastening part is provided with a second protrusion, the first protrusion is clamped into the first limiting groove, and the second protrusion is clamped into the second limiting groove.

[0014] The first limiting groove and the second limiting groove are arranged on the copper sleeve body in a circumferential array, the first fastening part and the second fastening part are provided with a plurality of connecting holes corresponding to the first limiting groove, and the connecting holes are arranged on the first connecting part and the second connecting part in a circumferential array.

[0015] The first fastening part and the second fastening part are located outside the channel of the copper sleeve body.

[0016] The first sleeve body and the second sleeve body are symmetrically arranged on the copper sleeve body.

[0017] Compared with the prior art, the application has the following advantages:

[0018] The graphite column can be stably arranged in the through hole without using glue, so that the graphite copper sleeve can be used for a long time under high temperature conditions. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a sectional view structure in the application;

[0020] Figure 2 is Figure 1 is a local enlarged view;

[0021] Figure 3 is a local disassembled structure view in the application;

[0022] Figure 4 is Figure 1 is a side view structure;

[0023] In the drawings,

[0024] 2, copper sleeve body; 21, through hole; 211, first column hole; 212, second column hole; 213, step part; 22, first limiting groove; 23, second limiting groove; 24, channel;

[0025] 3, graphite column; 31, limiting part;

[0026] 4, first sleeve body; 41, first fastening part; 411, first protrusion; 42, first connecting part;

[0027] 5, second sleeve body; 51, second fastening part; 511, second protrusion; 52, second connecting part;

[0028] 6, connecting hole. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0030] As shown in the drawings, Figures 1 to 4 A high-temperature-resistant graphite copper sleeve includes a copper sleeve body 2, a plurality of graphite columns 3 corresponding to through holes 21, a first sleeve body 4, and a second sleeve body 5. The copper sleeve body 2 has a plurality of through holes 21, the through holes 21 include first column holes 211 and second column holes 212, the diameter of the second column holes 212 is greater than that of the first column holes 211, and a stepped part 213 is formed; the graphite columns 3 are installed in the through holes 21, and the graphite columns 3 have limiting parts 31 corresponding to the stepped part 213, the limiting parts 31 abut against the stepped part 213 to limit the graphite columns 3 from entering the channel 24 of the copper sleeve body 2; the first sleeve body 4 is sleeved outside the copper sleeve body 2 and closes the outer ends of the through holes 21; the second sleeve body 5 is sleeved on the other side of the copper sleeve body 2 and closes the outer ends of the through holes 21, and the first sleeve body 4 and the second sleeve body 5 are fixedly connected; wherein the first sleeve body 4 and the second sleeve body 5 close the outer ends of all the through holes 21.

[0031] In the present application, the stepped part 213 is designed in the through hole 21 of the copper sleeve body 2, and the limiting part 31 of the graphite column 3 abuts against it, which effectively prevents the graphite column 3 from excessively displacing into the channel 24 of the copper sleeve body 2 during use, ensures the stable position of the graphite column 3, and the first sleeve body 4 and the second sleeve body 5 jointly close the outer ends of all the through holes 21, which can prevent the graphite column 3 from being pulled out from the outside.

[0032] The design of the present application enables the graphite column 3 to be stably arranged in the through hole 21 without using glue by designing the stepped part 213 in the through hole 21 of the copper sleeve body 2, the limiting part 31 of the graphite column 3, and the first sleeve body 4 and the second sleeve body 5, so that the graphite copper sleeve can be used for a long time under high-temperature conditions.

[0033] Specifically, the first sleeve body 4 has a first fastening part 41 and a first connecting part 42, the second sleeve body 5 has a second fastening part 51 and a second connecting part 52, the first fastening part 41 is arranged at one end of the copper sleeve body 2, the second fastening part 51 is arranged at the other end of the copper sleeve body 2, and the first connecting part 42 and the second connecting part 52 are connected by bolts.

[0034] The first fastening part 41 and the second fastening part 51 are arranged at both ends of the copper sleeve body 2, can form firm holding force to the copper sleeve body 2 from both sides, cooperate with the first connecting part 42 and the second connecting part 52 connected by bolts in the middle, and form a full range and stable fastening system.

[0035] The first connecting part 42 and the second connecting part 52 are also used for limiting or connecting other components.

[0036] Specifically, the first limiting groove 22 and the second limiting groove 23 are arranged at both ends of the copper sleeve body 2, the first protrusion 411 is arranged on the first fastening part 41, and the second protrusion 511 is arranged on the second fastening part 51, the first protrusion 411 is clamped into the first limiting groove 22, and the second protrusion 511 is clamped into the second limiting groove 23.

[0037] In the assembly process, the cooperation of the first protrusion 411 and the first limiting groove 22 and the cooperation of the second protrusion 511 and the second limiting groove 23 can quickly and accurately determine the installation position of the first sleeve body 4 and the second sleeve body 5 on the copper sleeve body 2, and can limit the rotation of the copper sleeve body 2 relative to the first sleeve body 4 and the second sleeve body 5.

[0038] Specifically, the first limiting groove 22 and the second limiting groove 23 are arranged in a circumferential array on the copper sleeve body 2, and the first connecting part 42 and the second connecting part 52 are provided with a corresponding number of connecting holes 6 corresponding to the first limiting groove 22, and the connecting holes 6 are arranged in a circumferential array on the first connecting part 42 and the second connecting part 52.

[0039] Because the first limiting groove 22 and the second limiting groove 23 are arranged in a circumferential array on the copper sleeve body 2, and the first connecting part 42 and the second connecting part 52 are provided with a corresponding number of connecting holes 6 arranged in a circumferential array, when the first protrusion 411 and the second protrusion 511 enter the first limiting groove 22 and the second limiting groove 23, the connecting holes 6 on the first connecting part 42 and the second connecting part 52 are naturally matched.

[0040] Specifically, the first fastening part 41 and the second fastening part 51 are located outside the channel 24 of the copper sleeve body 2.

[0041] Specifically, the first sleeve body 4 and the second sleeve body 5 are symmetrically distributed on the copper sleeve body 2.

[0042] It should be noted that all directional indications in the embodiments of the present application, such as up, down, left, right, front, back, and the like, are only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture, as shown in the drawings, and if the specific posture changes, the directional indications also change accordingly.

[0043] In addition, the description related to "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the same, or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. Meanwhile, the meaning of "and / or" appearing throughout the text is to include three schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B are satisfied at the same time. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of the person skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, nor is it within the scope of protection required by the present application.

[0044] The above components are all general standard components or components known to those skilled in the art, and their structure and principle can be known by those skilled in the art through technical manuals or through conventional experimental methods.

[0045] The specific embodiments described herein are merely illustrative of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the present application or exceed the scope defined by the appended claims.

Claims

1. A high temperature resistant graphite copper bush, characterized in that, The application relates to a copper sleeve body (2) having a plurality of through holes (21), the through holes (21) comprising first column holes (211) and second column holes (212), the second column holes (212) being larger in diameter than the first column holes (211) and forming a stepped portion (213); a plurality of graphite columns (3) corresponding to the through holes (21), the graphite columns (3) being installed in the through holes (21) and having limiting portions (31) corresponding to the stepped portion (213), the limiting portions (31) abutting against the stepped portion (213) to limit the graphite columns (3) from entering the channel (24) of the copper sleeve body (2); a first sleeve body (4) sleeved outside the copper sleeve body (2) and closing the outer ends of the through holes (21); a second sleeve body (5) sleeved on the other side of the copper sleeve body (2) and closing the outer ends of the through holes (21), the first sleeve body (4) and the second sleeve body (5) being fixedly connected; wherein the first sleeve body (4) and the second sleeve body (5) close the outer ends of all the through holes (21). The first sleeve body (4) has a first fastening portion (41) and a first connecting portion (42), the second sleeve body (5) has a second fastening portion (51) and a second connecting portion (52), the first fastening portion (41) is arranged at one end of the copper sleeve body (2), the second fastening portion (51) is arranged at the other end of the copper sleeve body (2), and the first connecting portion (42) and the second connecting portion (52) are connected through bolts. First limiting grooves (22) and second limiting grooves (23) are arranged at the two ends of the copper sleeve body (2), a first protrusion (411) is arranged on the first fastening portion (41), a second protrusion (511) is arranged on the second fastening portion (51), the first protrusion (411) is clamped into the first limiting groove (22), and the second protrusion (511) is clamped into the second limiting groove (23). The first limiting grooves (22) and the second limiting grooves (23) are arranged in a circumferential array on the copper sleeve body (2), a plurality of connecting holes (6) corresponding to the first limiting grooves (22) are arranged on the first fastening portion (41) and the second fastening portion (51), and the connecting holes (6) are arranged in a circumferential array on the first connecting portion (42) and the second connecting portion (52). The first fastening portion (41) and the second fastening portion (51) are located outside the channel (24) of the copper sleeve body (2). The first sleeve body (4) and the second sleeve body (5) are symmetrically distributed on the copper sleeve body (2).

2. The high temperature resistant graphite copper bush of claim 1, wherein, ​ 3. The high temperature resistant graphite copper bush of claim 2, wherein, ​ 4. The high temperature resistant graphite copper bush of claim 3, wherein, ​ 5. The high temperature resistant graphite copper bush of claim 2, wherein, ​ 6. The high temperature resistant graphite copper bush of claim 1, wherein, ​

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