CN210704513U

CN210704513U - High-strength anti-deformation short sleeve

Info

Publication number: CN210704513U
Application number: CN201921802521.3U
Authority: CN
Inventors: 谢云峰; 张长贵; 谢培炎
Original assignee: Zhejiang Shengda Industry Co Ltd
Current assignee: Zhejiang Shengda Industry Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-06-09
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a high strength, shape short sleeve of preapring for an unfavorable turn of events, including last sleeve and lower sleeve, set up a square hole in last sleeve, set up a hexagonal hole in lower sleeve, an extension handle is established to the cover in the square hole, and the extension handle includes integrated into one piece's cylindrical connecting rod and the square portion that is used for the joint square hole, and a side direction and the square groove of opening upwards are seted up at the connecting rod top, rotatable setting up a square extension bar in the square groove, and the size and the square groove of square extension bar match. The square groove with the lateral and upward openings can facilitate the square extension bar to be pressed in the square groove, thereby facilitating the adjustment of the direction of the square extension bar; the limiting round rod is arranged, when the square extension rod needs to be used, the limiting round rod is inserted into the second limiting square hole or the second limiting square hole, so that the limiting effect can be achieved, the square extension rod is prevented from being easily loosened in the using process, and the use is convenient; the use convenience and safety can be further improved by arranging the limiting block; the steel ball is arranged in the lower sleeve, so that the clamping is convenient.

Description

High-strength anti-deformation short sleeve

Technical Field

The utility model relates to a hardware and tools technical field especially relates to a high strength, shape short sleeve of preapring for an unfavorable turn of events.

Background

The socket wrench is composed of a plurality of sockets with hexagonal holes or dodecagonal holes, a handle, a connecting rod and other accessories, and is particularly suitable for screwing bolts or nuts with very narrow or deep recesses. The direction of an elongated handle of a conventional socket wrench is often fixed, and the nut cannot be well clamped when being mounted or dismounted, so that the nut is inconvenient to take out or mount.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide a high strength, the short sleeve of preapring for an unfavorable turn of events shape, overall structure is compact, and the bolt fastening is firm, and adjustable operating angle facilitates the use.

The technical scheme of the utility model as follows:

a high-strength anti-deformation short sleeve comprises an upper sleeve and a lower sleeve, wherein a square hole is formed in the upper sleeve, a hexagonal hole is formed in the lower sleeve, and an elongated handle is sleeved in the square hole; the extension handle comprises an integrally formed cylindrical connecting rod and a square part used for clamping a square hole, a side direction and an upward opening square groove are formed in the top of the connecting rod, a square extension rod is rotatably arranged in the square groove, and the size of the square extension rod is matched with the square groove.

Furthermore, a limiting round rod is welded and fixed at the bottom of the square extension rod and can transversely penetrate through the connecting rod, a first limiting square hole penetrating through the connecting rod is formed in the side wall of the innermost side of the square groove corresponding to the limiting round rod, and a second limiting square hole is formed in the middle of the square groove.

Furthermore, the bottom of the limiting round rod is also welded with a limiting square block with the width matched with the diameter of the limiting round rod, the second limiting square hole is a rectangular square hole, the length of the second limiting square hole is matched with that of the limiting square block, and the height of the first limiting square hole is greater than that of the limiting square block.

Furthermore, a groove is formed in the side wall of the square hole, and a limiting protrusion is correspondingly welded on the side wall of the square part corresponding to the groove.

Further, the sleeve outside is opened down and is equipped with an annular groove the annular groove inboard set up with the spacing hole of steel ball of hexagonal hole intercommunication set up a steel ball in the spacing hole of steel ball, and the steel ball outside is equipped with the clamp in the annular groove endotheca, the diameter of the spacing hole of steel ball and hexagonal hole intercommunication department through-hole is less than the diameter of steel ball, the steel ball sets up with the clamp laminating.

The utility model has the advantages that: the square lengthening bar can be conveniently abutted in the square groove by arranging the square groove with the lateral and upward openings, so that the direction of the square lengthening bar is conveniently adjusted; the limiting round rod is arranged, when the square extension rod needs to be used, the limiting round rod is inserted into the second limiting square hole or the second limiting square hole, so that the limiting effect can be achieved, the square extension rod is prevented from being easily loosened in the using process, and the use is convenient; the use convenience and safety can be further improved by arranging the limiting block; the steel ball is arranged in the lower sleeve, so that bolts/screws can be conveniently clamped.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the high-strength anti-deformation short sleeve of the present invention in cooperation with the elongated handle;

FIG. 2 is a schematic structural view of a short sleeve;

FIG. 3 is a schematic view of the structure of the elongated handle;

FIG. 4 is a schematic view of the extension bar;

fig. 5 is a schematic view of a modified structure of the extension bar.

In the figure: 1-upper sleeve; 11-square hole; 12-a groove; 2-lower sleeve; 21-hexagonal hole; 22-an annular groove; 23-steel ball limiting hole; 3, clamping a hoop; 4-steel ball; 5-lengthening the handle; 51-a connecting rod; 52-square section; 521-a limiting bulge; 6-square groove; 61-a first limit square hole; 62-a second limit square hole; 7-a square extension bar; 71-a limit round bar; 72-limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 and 2, a high-strength and anti-deformation short sleeve comprises an upper sleeve 1 and a lower sleeve 2 (the upper sleeve 1 and the lower sleeve 2 are integrally formed), wherein a square hole 11 is formed in the upper sleeve 1, a hexagonal hole 21 is formed in the lower sleeve 2, and an extension handle 5 is sleeved in the square hole 11;

in order to conveniently clamp the bolt and ensure that the bolt is not easy to fall off in the clamping process and the operation is convenient, an annular groove 22 is arranged on the outer side of the lower sleeve 2, a steel ball limiting hole 23 communicated with the hexagonal hole 21 is arranged on the inner side of the annular groove 22, a steel ball 4 is arranged in the steel ball limiting hole 23, a hoop 3 is sleeved in the annular groove 22 at the outer side of the steel ball 4, the diameter of a through hole at the communication part of the steel ball limiting hole 23 and the hexagonal hole 21 is smaller than that of the steel ball 4 (so that the steel ball 4 slightly protrudes out of the lower sleeve 2, the maximum height of the steel ball limiting hole 23 is smaller than that of the annular groove 22, the subsequent installation of the steel ball 4 is convenient), the steel ball 4 is attached to the hoop 3, namely, the length of the steel ball limiting hole 23 is matched with the diameter of the steel ball 4, so that when the sleeve is sleeved with the bolt, so that the steel ball 4 can be propped against the side surface of the bolt, and the steel ball 4 can be propped against the inner side of the clamp 3, thereby realizing interference fit and facilitating the clamping of the bolt.

With further reference to fig. 3 and 4, the lengthening handle 5 comprises an integrally formed cylindrical connecting rod 51 and a square portion 52 for clamping the square hole 11, a side and upward opening square groove 6 is formed at the top of the connecting rod 51, a square lengthening rod 7 is rotatably arranged in the square groove 6, and the size of the square lengthening rod 7 is matched with that of the square groove 6. The square groove 6 with the lateral and upward openings is arranged, so that the square extension bar 7 can be conveniently propped in the square groove 6, and the direction can be adjusted by 0-90 degrees in the vertical direction.

In addition, in order to ensure the use reliability of the square extension bar 7, a limit round bar 71 is welded and fixed at the bottom of the square extension bar 7 (the limit round bar 71 has a certain length and can transversely penetrate through the connecting rod 51), a first limit square hole 61 which penetrates through the connecting rod 51 is formed in the innermost side wall of the square groove 6 corresponding to the limit round bar 71, and a second limit square hole 62 is formed in the middle of the square groove 6. When square extension bar 7 is needed, limit round bar 71 is inserted into second limit square hole 61 or second limit square hole 62, so that the limit function can be achieved, square extension bar 7 is prevented from being easily loosened in the using process, and the use is convenient.

Referring to fig. 5 based on fig. 3 and 4, a limiting block 72 with a width matching with the diameter of the limiting round rod 71 is welded at the bottom of the limiting round rod 71, at this time, the second limiting square hole 62 is a rectangular square hole, the length matches with the limiting block 72, and the height of the first limiting square hole 62 is greater than the length of the limiting block 72. At this moment, during the square extension bar 7 of side direction adjustment, adjust square extension bar 7 earlier and make spacing square 72 can be vertical through first spacing square hole 61, again 90 rotatory square extension bar 7 and with square extension bar 7 push into square groove 6 in can.

A groove 12 is also formed on the side wall of the square hole 11, and a corresponding limiting projection 521 welded on the side wall of the square part 52 corresponding to the groove 13 is matched with the groove 13 for preliminary clamping determination of the elongated handle 5.

In the present application, the structures and the connection relations that are not described in detail are all the prior art, and the structures and the principles thereof are known in the prior art and are not described herein again.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high-strength anti-deformation short sleeve comprises an upper sleeve and a lower sleeve, wherein a square hole is formed in the upper sleeve, a hexagonal hole is formed in the lower sleeve, and an elongated handle is sleeved in the square hole; the method is characterized in that: the extension handle comprises an integrally formed cylindrical connecting rod and a square part used for clamping a square hole, a side direction and an upward opening square groove are formed in the top of the connecting rod, a square extension rod is rotatably arranged in the square groove, and the size of the square extension rod is matched with the square groove.

2. The high strength, deformation resistant short sleeve of claim 1, wherein: the bottom of the square extension bar is fixedly welded with a limiting round bar, the limiting round bar can transversely penetrate through the connecting rod, a first limiting square hole which penetrates through the connecting rod is formed in the side wall of the innermost side of the square groove corresponding to the limiting round bar, and a second limiting square hole is formed in the middle of the square groove.

3. The high strength, deformation resistant short sleeve of claim 2, wherein: the bottom of the limiting round rod is further welded with a limiting square block with the width matched with the diameter of the limiting round rod, the second limiting square hole is a rectangular square hole, the length of the second limiting square hole is matched with that of the limiting square block, and the height of the first limiting square hole is larger than that of the limiting square block.

4. The high strength, deformation resistant short sleeve of claim 2, wherein: the side wall of the square hole is also provided with a groove, and a limit bulge is correspondingly welded on the side wall of the square part corresponding to the groove.

5. A high strength, deformation resistant short sleeve according to any one of claims 1-4, wherein: the utility model discloses a steel ball, including lower sleeve, the steel ball outside of the steel ball is equipped with the hexagonal hole intercommunication, the steel ball outside of the steel ball is equipped with the annular groove inboard set up with the spacing hole of steel ball of hexagonal hole intercommunication the spacing downthehole steel ball that sets up, and the steel ball outside is equipped with the clamp in the annular groove endotheca, the diameter of the spacing hole of steel ball and hexagonal hole intercommunication department through-hole is less than the diameter of steel ball, the steel ball sets up with the clamp laminating.