CN212422717U

CN212422717U - Steel wire retainer ring wheel positioning device and jack

Info

Publication number: CN212422717U
Application number: CN202020591919.3U
Authority: CN
Inventors: 吴盛华; 刘正阳
Original assignee: HANGZHOU YINGJIANG MACHINERY MANUFACTURE Co Ltd
Current assignee: HANGZHOU YINGJIANG MACHINERY MANUFACTURE Co Ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2021-01-29
Anticipated expiration: 2030-04-20

Abstract

A steel wire retainer ring wheel positioning device and a jack are provided, wherein the positioning device comprises a mounting shaft, a steel wire retainer ring and a sheath for compressing a steel wire shaft sleeve to prevent the steel wire shaft sleeve from moving axially, a roller is mounted at the shaft end part of the mounting shaft, and an annular groove is circumferentially arranged on the excircle of the shaft end falling outside the roller; the steel wire retainer ring is tightly sleeved in the annular groove of the mounting shaft and used for limiting the axial movement of the roller so as to prevent the roller from being separated from the mounting shaft; the sheath is sleeved at the shaft end of the mounting shaft, and the inner wall of the sheath is circumferentially provided with a containing groove for being clamped outside the steel wire retainer ring; the jack comprises a jack body and a steel wire retainer ring wheel positioning device. The utility model has the advantages that: the steel wire retainer ring is more reliable than the retainer ring for the shaft, the cracking or groove jumping phenomenon of the common retainer ring can not be generated, and the reliable positioning of the wheel is ensured; the positioning device has simple structure, low cost and reliable positioning; when the wheel rolls fast, the guard ring and the steel wire retainer ring cannot move axially or radially, and the sound is greatly reduced.

Description

Steel wire retainer ring wheel positioning device and jack

Technical Field

The utility model relates to a steel wire retaining ring wheel positioner and jack.

Background

As shown in fig. 3, the front wheel of the existing jack is usually the front wheel axle installed on the left and right wall plates (5 ', 6'), and the axial positioning of the front wheel 3 'is limited directly by the axle retainer 1' and the gasket 2 'to prevent the front wheel from falling off from the front wheel axle 4', but the following problems exist when the common retainer and the axle retainer are adopted: 1. the phenomenon of cracking or groove jumping is generated, and the positioning of the wheel cannot be ensured; 2. inaccurate positioning; 3. when the wheel rolls fast, the wheel can generate axial or radial movement, and the noise is large.

Disclosure of Invention

In order to solve the problem, the utility model provides a can prevent that fracture from jumping groove, location are accurate, small in noise's steel wire retaining ring wheel positioner and jack.

A steel wire retaining ring wheel positioner, its characterized in that: the steel wire sleeve comprises an installation shaft, a steel wire retainer ring and a sheath for compressing the steel wire sleeve to prevent the steel wire sleeve from moving axially, wherein the end part of the shaft of the installation shaft is provided with a roller, and an annular groove is formed in the outer circle of the shaft end falling on the outer side of the roller along the circumferential direction and used for installing the steel wire retainer ring; the steel wire retainer ring is tightly sleeved in the annular groove of the mounting shaft and used for limiting the axial movement of the roller so as to prevent the roller from being separated from the mounting shaft; the sheath is established at the axle head of installation axle to the inner wall of sheath is equipped with a holding tank along circumference for the card is outside at the steel wire retaining ring.

The annular groove of installation axle with the holding tank of sheath pieces together and becomes the space that can hold the steel wire retaining ring, and wherein the holding tank contacts with the outer wall of steel wire retaining ring, and the annular groove contacts with the inner wall of steel wire retaining ring.

A jack, includes the jack body, its characterized in that: the jack also comprises the steel wire retainer ring wheel positioning device, the front ends of the left and right wallboards of the jack body are installed as the installation shafts of the front wheel shafts, and the two shaft ends of the installation shafts respectively extend out of the corresponding wallboards to form shaft ends on which the rollers can be installed; and the shaft end of the mounting shaft is respectively provided with a roller serving as a front wheel and a set of steel wire retainer ring wheel positioning device for limiting the roller from coming off from the shaft end of the mounting shaft.

Steel wire retaining ring wheel positioner instructions for use:

1. turning an annular groove on the outer circle of the shaft end of the mounting shaft;

2. after the roller is arranged, a steel wire check ring is arranged in the annular groove at the shaft end;

3. the steel wire check ring is compressed and contracted by a tool, then the sheath is put into the steel wire check ring, so that the steel wire check ring falls into the groove of the inner diameter of the sheath, and the sheath is positioned above the groove of the shaft under the action of the steel wire check ring, so that the wheel cannot be separated.

The steel wire retainer ring wheel positioning device not only can be applied to a jack, but also can be used for machines with similar structures such as mowers or rollers.

The utility model has the advantages that:

1. the steel wire retainer ring is more reliable than the retainer ring for the shaft, the cracking or groove jumping phenomenon of the common retainer ring can not be generated, and the reliable positioning of the wheel is ensured;

2. the positioning device has simple structure, low cost and reliable positioning;

3. when the wheel rolls fast, the guard ring and the steel wire retainer ring cannot move axially or radially, and the sound is greatly reduced.

Drawings

Fig. 1 is a structural view of the present invention.

Fig. 2 is an enlarged view of fig. 1 at a.

Fig. 3 is a structural view of a conventional jack.

Detailed Description

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

With reference to the accompanying drawings:

embodiment 1 the utility model discloses a steel wire retainer ring wheel positioner 7, including installation axle 1, steel wire retainer ring 2 and the sheath 3 that is used for compressing tightly the steel wire axle sleeve to prevent its axial displacement, the axle head portion of installation axle 1 installs gyro wheel 4, and the axle head excircle that falls in the gyro wheel outside is equipped with an annular groove 11 along the circumference, is used for installing steel wire retainer ring; the steel wire retainer ring 2 is tightly sleeved in the annular groove of the mounting shaft and used for limiting the axial movement of the roller to prevent the roller from being separated from the mounting shaft; 3 covers of sheath are established at the axle head of installation axle to the inner wall of sheath is equipped with an holding tank 31 along circumference, is used for the card outside the steel wire retaining ring.

The annular groove of installation axle 1 with the holding tank of sheath pieces together and becomes the space that can hold the steel wire retaining ring, and wherein the holding tank contacts with the outer wall of steel wire retaining ring, and the annular groove contacts with the inner wall of steel wire retaining ring.

Embodiment 2 a jack, including a jack body and a steel wire retainer ring wheel positioning device of the present invention, the front ends of the left and right wall plates (5, 6) of the jack body are installed as an installation shaft 1 of a front wheel shaft, and two shaft ends of the installation shaft 1 respectively extend out from the corresponding wall plates (5, 6) to form shaft ends where rollers can be installed; the axle end of the mounting axle is respectively provided with a roller 4 as a front wheel and a set of wire retainer wheel positioning device 7 for limiting the roller from falling out of the axle end of the mounting axle, wherein the mounting mode and the position of the wire retainer wheel positioning device are carried out according to the mode of embodiment 1.

The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments, but rather the scope of the invention includes equivalent technical means that can be conceived by those skilled in the art based on the inventive concepts.

Claims

1. The utility model provides a steel wire retaining ring wheel positioner which characterized in that: the steel wire sleeve comprises an installation shaft, a steel wire retainer ring and a sheath for compressing the steel wire sleeve to prevent the steel wire sleeve from moving axially, wherein the end part of the shaft of the installation shaft is provided with a roller, and an annular groove is formed in the outer circle of the shaft end falling on the outer side of the roller along the circumferential direction and used for installing the steel wire retainer ring; the steel wire retainer ring is tightly sleeved in the annular groove of the mounting shaft and used for limiting the axial movement of the roller so as to prevent the roller from being separated from the mounting shaft; the sheath is established at the axle head of installation axle to the inner wall of sheath is equipped with a holding tank along circumference for the card is outside at the steel wire retaining ring.

2. A wire retainer wheel positioning apparatus as defined in claim 1, wherein: the annular groove of installation axle with the holding tank of sheath pieces together and becomes the space that can hold the steel wire retaining ring, and wherein the holding tank contacts with the outer wall of steel wire retaining ring, and the annular groove contacts with the inner wall of steel wire retaining ring.

3. A jack, includes the jack body, its characterized in that: the steel wire retainer ring wheel positioning device further comprises a steel wire retainer ring wheel positioning device as claimed in claim 1, wherein the front ends of the left wall plate and the right wall plate of the jack body are provided with mounting shafts serving as front wheel shafts, and two shaft ends of the mounting shafts respectively extend out of the corresponding wall plates to form shaft ends on which rollers can be mounted; and the shaft end of the mounting shaft is respectively provided with a roller serving as a front wheel and a set of steel wire retainer ring wheel positioning device for limiting the roller from coming off from the shaft end of the mounting shaft.