CN219888519U

CN219888519U - One-hole double-needle welding retainer for hydraulic pump bearing

Info

Publication number: CN219888519U
Application number: CN202321094089.3U
Authority: CN
Inventors: 李震; 李赓; 王超; 贾喜良; 王萌; 张秀真
Original assignee: Jining Jingyi Bearing Co ltd
Current assignee: Jining Jingyi Bearing Co ltd
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2023-10-24
Anticipated expiration: 2033-05-09

Abstract

The utility model provides a one-hole double-needle welding retainer for a hydraulic pump bearing, which relates to the technical field of bearings and comprises an outer ring body, wherein the retainer is arranged in the outer ring body, a preset number of hole bodies are formed in the retainer, double rolling pins are arranged in the retainer and on the inner side of the hole body, cushion structures are arranged at two ends of the retainer, a preset number of guide rods are arranged in the retainer, guide holes are formed in the retainer, preset number of limiting blocks are arranged at two ends of the retainer, a preset number of limiting bodies are arranged on the inner side of the outer ring body, the outer ring body is in a stepped shape, grooves are formed in the inner side of the outer ring body, and the inner sides of two end parts of the outer ring body are fixedly connected with the limiting bodies. The utility model has the advantages of avoiding the rolling needle from being pressed into the retainer by external force when the rolling needle is installed on the retainer, avoiding the abrasion and slight deformation of the rolling needle and the retainer, improving the quality of products, and the like.

Description

One-hole double-needle welding retainer for hydraulic pump bearing

Technical Field

The utility model relates to the technical field of bearings, in particular to a one-hole double-needle welding retainer for a hydraulic pump bearing.

Background

The bearing is an important part in modern mechanical equipment, and its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement and ensure its rotation precision, and the retainer, i.e. the bearing retainer, refers to the bearing part which partially wraps all or part of the rolling body and moves along with it, and is used for isolating the rolling body, and generally guiding the rolling body and retaining it in the bearing.

Among the prior art, as chinese patent No. CN201821761109.7 discloses a holder for pump type bearing, including holder and lubrication groove, the fixed lubrication groove that is provided with of holder inner wall, the inside welding of holder is provided with the pillar, the welding of holder inner wall is provided with the strengthening rib, the welding of holder outer wall is provided with the reinforcement circle, the welding of holder left side is provided with the reinforcement strip, the department of reinforcement strip axle center has wheel hub through bolt fixed mounting.

But among the prior art, can protect the bearing roller on the holder through the setting of reinforcement strip with consolidate the circle, avoided the condition that hollow roller easily cracked hourglass outward, prevent that the rolling element from droing, effectively prevent that the holder is impaired, the reliability of bearing improves greatly, however this kind of mode utilizes external force to impress when the holder is installed to the kingpin, wears out and slightly deforms kingpin and holder, influences the quality of product.

Disclosure of Invention

The utility model aims to solve the problems that when a retainer is installed on a needle roller, the needle roller is pressed in by using external force, the needle roller and the retainer are worn and slightly deformed, and the quality of a product is affected.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a two needle welding holders in hole for hydraulic pump bearing, includes the outer lane body, the inside of the outer lane body is equipped with the holder, preset quantity's hole body has been seted up to the inside of holder, the inside of holder with the hole inboard is equipped with two kingpins, the both ends of holder all are equipped with pad body structure, the inside of holder is equipped with preset quantity's guide bar, the inside of holder is equipped with the guiding hole, the both ends of holder all are equipped with preset quantity's stopper, the inboard of the outer lane body is equipped with preset quantity's stopper body.

Preferably, the outer ring body is in a ladder shape, a groove body is formed in the inner side of the outer ring body, and the inner sides of two end parts of the outer ring body are fixedly connected with the limiting body.

Preferably, the retainer comprises a first retainer body and a second retainer body, the first retainer body is movably connected with the second retainer body, a guide rod is fixedly arranged on one side, opposite to the second retainer body, of the first retainer body, and a guide hole matched with the guide rod is formed in the end portion of the second retainer body.

Preferably, a supporting body is fixedly arranged between the retainer and the hole body, and welding spots are welded on the outer wall of the retainer.

Preferably, the pad body structure comprises pad rings movably arranged at two ends of the retainer, mounting grooves are formed in the outer walls of two sides of the pad rings, and an opening is formed in the top of the pad rings.

Preferably, the limiting block is matched with the mounting groove, and the limiting body is matched with the mounting groove.

Compared with the prior art, the utility model has the advantages and positive effects that:

according to the utility model, the double rolling pins are placed through the hole bodies on the first holding frame body and the second holding frame body, the guide rod on the first holding frame body is inserted into the guide hole on the second holding frame body, the holding frame is placed in the outer ring body, the backing ring is installed between the two ends of the holding frame and the outer ring body, the mounting groove on the backing ring is arranged on the outer wall of the limiting block on the holding frame, the mounting groove on the backing ring is arranged on the outer wall of the limiting block on the outer ring body, and when the rolling pins are arranged on the holding frame, the rolling pins are prevented from being pressed into the holding frame by external force, so that the rolling pins and the holding frame are prevented from being worn and slightly deformed, and the quality of products is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic perspective view of a cage according to the present utility model;

FIG. 4 is a schematic view showing an expanded perspective structure of the cage of the present utility model;

FIG. 5 is an enlarged view of the portion A of FIG. 4 according to the present utility model;

fig. 6 is an enlarged view of the B part of fig. 4 according to the present utility model.

Legend description:

1. an outer ring body; 2. a retainer; 201. a first holder body; 202. a second holder body; 203. a support body; 204. welding spots; 3. a hole body; 4. double rolling pins; 5. a pad structure; 501. a backing ring; 502. a mounting groove; 503. an opening; 6. a guide rod; 7. a guide hole; 8. a limiting block; 9. and a limiting body.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

In the embodiment 1, as shown in fig. 1-6, the utility model provides a one-hole double-needle welding retainer for a hydraulic pump bearing, which comprises an outer ring body 1, wherein the retainer 2 is arranged in the outer ring body 1, the retainer 2 is clamped in the inner part of the outer ring body 1, a preset number of hole bodies 3 are arranged in the retainer 2, the hole bodies 3 for installing the double-needle rollers 4 are arranged in the retainer 2, the double-needle rollers 4 are arranged in the retainer 2 and the inner sides of the hole bodies 3, cushion structures 5 are arranged at two ends of the retainer 2, a preset number of guide rods 6 are arranged in the retainer 2, guide holes 7 are arranged in the retainer 2, the guide rods 6 are used for being inserted in the guide holes 7, the retainer 2 is stably installed, the double-needle rollers 4 are prevented from being pressed into the hole bodies 3 by external force, the wear and deformation of the double-needle rollers 4 and the retainer 2 are prevented from being caused by external force, a preset number of limiting blocks 8 are arranged at two ends of the retainer 2, a preset number of limiting blocks 9 are arranged at the inner sides of the outer ring body 1, and the limiting blocks 8 and the limiting blocks 9 are used for supporting and limiting the cushion structures 5.

In this embodiment, the outer ring body 1 is stepped, the inner side of the outer ring body 1 is provided with a groove body, the inner sides of two ends of the outer ring body 1 are fixedly connected with the limiting body 9, and the inner sides of two ends of the outer ring body 1 support the limiting body 9.

Further, the retainer 2 comprises a first retainer body 201 and a second retainer body 202, the first retainer body 201 and the second retainer body 202 are movably connected, a guide rod 6 is fixedly arranged on one side, opposite to the second retainer body 202, of the first retainer body 201, a guide hole 7 matched with the guide rod 6 is formed in the end portion of the second retainer body 202, the guide rod 6 on the first retainer body 201 is inserted into the guide hole 7 on the second retainer body 202, and the guide rod 6 is used for being inserted into the first retainer body 201 and the second retainer body 202.

The support body 203 is fixedly arranged between the retainer 2 and the hole body 3, the support body 203 is in an L shape, the first retainer body 201 is fixedly connected with the support body 203, the outer wall of the second retainer body 202 is fixedly connected with the support body 203, the welding points 204 are welded on the outer wall of the retainer 2, and the support body 203 is used for supporting the first retainer body 201 and the second retainer body 202 when the double needle rollers 4 are installed.

In order to further improve the installation and stable supporting effect, the cushion body structure 5 comprises cushion rings 501 movably arranged at two ends of the retainer 2, mounting grooves 502 are formed in the outer walls of two sides of the cushion rings 501, openings 503 are formed in the tops of the cushion rings 501, and the openings 503 in the cushion rings 501 are used for compressing and installing the cushion rings 501.

It is further added that the limiting block 8 is matched with the mounting groove 502, the limiting body 9 is matched with the mounting groove 502, and the mounting groove 502 is used for assembling the limiting block 8 and the limiting body 9.

The use method and the working principle of the device are that firstly, the first retainer body 201 and the second retainer body 202 are arranged on the inner side of the outer ring body 1, the first retainer body 201 and the second retainer body 202 are far away from a certain distance, then the double needle rollers 4 are placed through the hole bodies 3 on the first retainer body 201 and the second retainer body 202, meanwhile, the guide rods 6 on the first retainer body 201 are inserted into the guide holes 7 on the second retainer body 202, then the two retainer rings 501 are respectively arranged between the first retainer body 201 and the outer ring body 1, the mounting grooves 502 on the retainer rings 501 are arranged on the limiting block 8 and the limiting body 9, the other retainer rings 501 are arranged between the second retainer body 202 and the outer ring body 1, the mounting grooves 502 on the retainer rings 501 are arranged on the limiting block 8 and the limiting body 9, when the needle rollers are arranged on the retainer bodies, the needle rollers are prevented from being pressed into the retainer bodies by external force, abrasion and slight deformation of the retainer bodies are avoided, and the quality of products is improved.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a hydraulic pump is two needle welded cage in hole for bearing, includes outer lane body (1), its characterized in that: the novel roller bearing is characterized in that the retainer (2) is arranged in the outer ring body (1), holes (3) with preset numbers are formed in the retainer (2), double rolling pins (4) are arranged in the retainer (2) and on the inner side of the holes (3), cushion structures (5) are arranged at two ends of the retainer (2), guide rods (6) with preset numbers are arranged in the retainer (2), guide holes (7) are formed in the retainer (2), limiting blocks (8) with preset numbers are arranged at two ends of the retainer (2), and limiting bodies (9) with preset numbers are arranged on the inner side of the outer ring body (1).

2. A one-hole double-needle welded retainer for a hydraulic pump bearing according to claim 1, characterized in that: the outer ring body (1) is in a ladder shape, a groove body is formed in the inner side of the outer ring body (1), and the inner sides of two end parts of the outer ring body (1) are fixedly connected with the limiting body (9).

3. A one-hole double-needle welded retainer for a hydraulic pump bearing according to claim 1, characterized in that: the retainer (2) comprises a first retainer body (201) and a second retainer body (202), the first retainer body (201) is movably connected with the second retainer body (202), a guide rod (6) is fixedly arranged on one side, opposite to the second retainer body (202), of the first retainer body (201), and a guide hole (7) matched with the guide rod (6) is formed in the end portion of the second retainer body (202).

4. A one-hole double-needle welded retainer for a hydraulic pump bearing according to claim 3, wherein: a supporting body (203) is fixedly arranged between the retainer (2) and the hole body (3), and welding spots (204) are welded on the outer wall of the retainer (2).

5. A one-hole double-needle welded retainer for a hydraulic pump bearing according to claim 1, characterized in that: the pad body structure (5) comprises pad rings (501) movably arranged at two ends of the retainer (2), mounting grooves (502) are formed in the outer walls of two sides of the pad rings (501), and openings (503) are formed in the tops of the pad rings (501).

6. A one-hole double-needle welded retainer for a hydraulic pump bearing according to claim 1, characterized in that: the limiting block (8) is matched with the mounting groove (502), and the limiting body (9) is matched with the mounting groove (502).