CN206263834U - A kind of sleeve - Google Patents
A kind of sleeve Download PDFInfo
- Publication number
- CN206263834U CN206263834U CN201621395624.9U CN201621395624U CN206263834U CN 206263834 U CN206263834 U CN 206263834U CN 201621395624 U CN201621395624 U CN 201621395624U CN 206263834 U CN206263834 U CN 206263834U
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- CN
- China
- Prior art keywords
- sleeve
- hole
- pearl groove
- joint hole
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of sleeve, including socket part and fitting portion, the socket part is provided with for connecting driving instrument sleeve joint hole, and the fitting portion is provided with the embedded hole for being fitted together to nut, the sleeve joint hole one or more surfaces inwall is provided with the pearl groove of indent, and the pearl groove is provided with block.The sleeve joint hole of the sleeve can be connected with the joint of muff-coupling wrench, the inwall of sleeve joint hole offers pearl groove, steel ball on joint can be moved up and down in pearl groove, reduce the abrasion of sleeve and joint, lengthening sleeve service life, and block is set on pearl groove, clamping can be formed with steel ball, the clamping tight ness rating of sleeve and spanner is improved, prevents from coming off.
Description
Technical field
The utility model is related to adapter tool field, and in particular to a kind of sleeve.
Background technology
Sleeve is a kind of specific purpose tool for tightening or loosening nut, is mainly used in machining, auto repair, building and applies
The fields such as work.With hole is connect, one end is socketed on the joint of box spanner when using, and the other end is socketed in fastening at the two ends of sleeve
On part, sleeve can drive fastener rotation during rotating spanner, be particularly well-suited to twist space very narrow and small or depression very deep
Fastener.
But the joint of box spanner is in square, is easily separated from sleeve connection, increased and uses difficulty, in some instances it may even be possible to
Cause security incident.Prior art is that telescopic steel ball is installed in the joint of spanner, is connect in sleeve and set on the inside in hole
Draw-in groove, by steel ball and draw-in groove clamping during connection, realizes the spacing connection of spanner and sleeve.But because spanner and sleeve were being used
Cheng Zhonghui produces larger torsion so that produces larger abrasion to draw-in groove after a long time use, causes draw-in groove to deform, anticreep
Decreased effectiveness, on the other hand, this sleeve in process of manufacture cannot one-shot forming, it is necessary to carry out turning hole inwall is connect
Secondary operation forms draw-in groove, improves technology difficulty, increased manufacturing cost.
In view of drawbacks described above, it is new that the utility model creator obtains this practicality finally by prolonged research and practice
Jacket cylinder.
Utility model content
To solve above-mentioned technological deficiency, the technical solution adopted in the utility model is to provide a kind of sleeve, including socket
Portion and fitting portion, the socket part are provided with the sleeve joint hole for connecting driving instrument, and the fitting portion is provided with for being fitted together to nut
Embedded hole, one or more surfaces inwall of the sleeve joint hole is provided with the pearl groove of indent, and the pearl groove is provided with block.
Preferably, the sleeve joint hole is square, the pearl groove is arranged on the midline position of the sleeve joint hole inwall.
Preferably, the pearl groove is in the arc-shaped.
Preferably, the length of the pearl groove is identical with the depth of the sleeve joint hole.
Preferably, be divided into the pearl groove near the epimere in the sleeve joint hole aperture and near the socket by the block
The hypomere of hole bottom hole, the length of the length more than epimere of the pearl groove hypomere.
Preferably, the embedded hole is hexagon ring or 12 corner apertures.
Preferably, the embedded hole inwall is circumferentially provided with boss.
Preferably, the corner of the sleeve joint hole and embedded hole is fillet.
Preferably, the cartridge exterior is shaped as straight tube shape.
Preferably, the cartridge exterior shape is in " convex " font, its stub end is the socket part, and its small head end is described
Fitting portion.
The beneficial effects of the utility model are compared with the prior art：
1, the socket part of the utility model sleeve is connected with the joint of muff-coupling wrench, and the inwall of sleeve joint hole offers Zhu Gou
Groove, sleeve joint hole inwall offers pearl groove, and the steel ball on joint can be moved up and down in pearl groove, reduces the mill of sleeve and joint
Damage, lengthening sleeve service life, and block is set on pearl groove, clamping can be formed with steel ball, improve sleeve and spanner
Clamping tight ness rating, prevent from coming off.
2, the sleeve overall structure is simple, and pearl groove and block can once be molded on cold headers, it is not necessary to repeatedly
Processing, improves its production efficiency.
3, sleeve body is into " convex " type so that sleeve can be socketed fastener in narrow and small position.Embedded hole and sleeve joint hole
Corner be fillet, convenient socket operation reduces abrasion.
4, embedded hole inwall is provided with boss, sleeve is socketed for matching hexagonal socket nut hexagonal rod, increases it
Use scope.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in each embodiment of the utility model, institute in being described to embodiment below
The accompanying drawing for needing to use is briefly described.
Fig. 1 is the stereogram of the sleeve of the utility model embodiment one；
Fig. 2 is the top view of the sleeve of the utility model embodiment one；
Fig. 3 is the upward view of the sleeve of the utility model embodiment one；
Fig. 4 is the stereogram one of the sleeve of the utility model embodiment two；
Fig. 5 is the stereogram two of the sleeve of the utility model embodiment two；
Fig. 6 is the stereogram of the sleeve of the utility model embodiment three；
Fig. 7 is the front section view of the sleeve of the utility model embodiment three.
Numeral is represented in figure：
1. the boss of 11. sleeve joint hole of socket part, 12. pearl groove, 13. block, 2. fitting portion, 21. embedded hole 22.
Specific embodiment
Below in conjunction with accompanying drawing, technical characteristic and advantage above-mentioned to the utility model and other is described in more detail.
Embodiment one
As Figure 1-3, a kind of sleeve, including socket part 1 and fitting portion 2, the socket part 1 are provided with for connecting driving
The sleeve joint hole 11 of instrument, the fitting portion 2 is provided with the embedded hole 21 for being fitted together to nut, embedded hole 21, sleeve joint hole 11 and sleeve
Body is coaxial.Cartridge exterior shape is in " convex " font, and its stub end is the socket part 1, and its small head end is the fitting portion 1.
The sleeve joint hole 11 is square, and the midline position of its four sides inwall is equipped with pearl groove 12, the depth of pearl groove 12
Depth with sleeve joint hole 11 is identical.Pearl groove 12 is arc-shaped, as the movable passageway of steel ball in socket wrench adapter, can be subtracted
The abrasion of few sleeve and joint, lengthening sleeve service life.Pearl groove 12 is provided with block 13, and the block 13 is by pearl groove 12
It is divided into the epimere near the sleeve joint hole aperture and the hypomere near the sleeve joint hole bottom hole, the length of the length more than epimere of hypomere
Degree.The salient position of block 13 does not interfere with the movement of wrench adapter no more than the wall of the inwall of sleeve joint hole 11.Block 13 is used for
With joint steel ball clamping, the degree of being completely embedded of sleeve and spanner is improved, prevent from coming off.The corner of sleeve joint hole 11 is fillet, convenient
It is connected with wrench adapter, reduces abrasion.The embedded hole 21 of fitting portion 2 is hexagon ring, and its corner is also fillet, convenient and hexagonal spiral shell
Mother's connection, reduces abrasion.The sleeve overall structure is simple, and pearl groove 12 and block 13 can once be molded on cold headers,
Need not repeatedly process, production efficiency is high.
When using, the fitting portion 2 of sleeve is socketed on the hex nut for matching, and hex nut matches shape with embedded hole 21
Into connection.Socket part 1 and the connection of box spanner, wrench adapter enter sleeve joint hole 11, and the steel ball on joint is in pearl groove 12
Slide up and down, steel ball is outwards ejected when sliding into pearl 12 hypomere of groove, be connected in the lower section of block 13, form a fixed connection, prevent
Sleeve comes off from spanner.The handle of rotating spanner transmits torsion turn Fastener by sleeve by a small margin repeatedly, realizes fastener
Charge and discharge operations.After the completion of handling, spanner is lifted up, embedded hole 21 departs from fastener, by the fast-falling on lower ejector lever
Button, the steel ball on joint departs from steel ball from the lower section of block 13 to contract, and joint comes off from sleeve joint hole 11, completes sleeve
With the separation of spanner.
Embodiment two
As shown in Figure 4 and Figure 5, a kind of sleeve, including socket part 1 and fitting portion 2, the socket part 1 is provided with for connecting
The sleeve joint hole 11 of driving instrument, the fitting portion 2 is provided with the embedded hole 21 for being fitted together to nut.Embedded hole 21, sleeve joint hole 11 with
Sleeve body is coaxial, and cartridge exterior is shaped as straight tube shape, convenient processing, improve production efficiency.
The sleeve joint hole 11 is square, and the midline position of its four sides inwall is equipped with pearl groove 12, the depth of pearl groove 12
Depth with sleeve joint hole 11 is identical.Pearl groove 12 is arc-shaped, as the movable passageway of steel ball in socket wrench adapter, can be subtracted
The abrasion of few sleeve and joint, lengthening sleeve service life.Pearl groove 12 is provided with block 13, and the block 13 is by pearl groove 12
It is divided into the epimere near the sleeve joint hole aperture and the hypomere near the sleeve joint hole bottom hole, the length of the length more than epimere of hypomere
Degree.The salient position of block 13 is flushed with the wall of the inwall of sleeve joint hole 11, does not interfere with the movement of wrench adapter.Block 13 is used for
With joint steel ball clamping, the degree of being completely embedded of sleeve and spanner is improved, prevent from coming off.The corner of sleeve joint hole 11 is fillet, convenient
It is connected with wrench adapter, reduces abrasion.Embedded hole 21 is 12 corner apertures, for being connected with nut, can be with clamping nut, anti-on-slip
It is de-.
When using, the fitting portion 2 of sleeve is socketed on nut, and nut is formed with the matching of embedded hole 21 and is connected.Socket part 1 with
The connection of box spanner, wrench adapter enters sleeve joint hole 11, and the steel ball on joint is slided up and down in pearl groove 12, and steel ball is slided
Outwards ejected during to pearl 12 hypomere of groove, be connected in the lower section of block 13, formed a fixed connection, prevent sleeve from being come off from spanner.Instead
The handle of multiple rotating spanner by a small margin transmits torsion turn Fastener by sleeve, realizes the charge and discharge operations of fastener.Load and unload
Cheng Hou, is lifted up spanner, and embedded hole 21 departs from fastener, by the fast-falling button on lower ejector lever, the steel ball on joint
To contract, steel ball is departed from from the lower section of block 13, joint comes off from sleeve joint hole 11, completes the separation of sleeve and spanner.
Embodiment three
As shown in Figure 6 and Figure 7, a kind of sleeve, including socket part 1 and fitting portion 2, the socket part 1 is provided with for connecting
The sleeve joint hole 11 of driving instrument, the fitting portion 2 is provided with the embedded hole 21 for being fitted together to nut.Embedded hole 21, sleeve joint hole 11 with
Sleeve body is coaxial, and cartridge exterior shape is in " convex " font, and its stub end is the socket part 1, and its small head end is described chimeric
Portion 1, can use in narrow space, adapt to different operating modes.
The sleeve joint hole 11 is square, and the midline position of its four sides inwall is equipped with pearl groove 12, the depth of pearl groove 12
Depth with sleeve joint hole 11 is identical.Pearl groove 12 is arc-shaped, as the movable passageway of steel ball in socket wrench adapter, can be subtracted
The abrasion of few sleeve and joint, lengthening sleeve service life.Pearl groove 12 is provided with block 13, and the block 13 is by pearl groove 12
It is divided into the epimere near the sleeve joint hole aperture and the hypomere near the sleeve joint hole bottom hole, the length of the length more than epimere of hypomere
Degree.The salient position of block 13 is flushed with the wall of the inwall of sleeve joint hole 11, does not interfere with the movement of wrench adapter.Block 13 is used for
With joint steel ball clamping, the degree of being completely embedded of sleeve and spanner is improved, prevent from coming off.Embedded hole 21 is hexagon ring, sleeve joint hole 11
Fillet is with the corner of embedded hole 21, is conveniently socketed, reduce sleeve wears away.The inwall of embedded hole 21 is circumferentially provided with boss
22, the top of boss 22 is in the middle section position of embedded hole 21.Embedded hole is divided into different two sections of size by boss 22, under size is less
Section can be socketed hexagonal rod, using sleeve as driving parts, rotate hexagonal socket nut, increased the use scope of sleeve.
When using, the fitting portion 2 of sleeve is socketed in the hexagonal rod one end for matching, and the other end of hexagonal rod is inserted into correspondence
Hexagonal socket nut in.Socket part 1 and the connection of box spanner, wrench adapter enter sleeve joint hole 11, and the steel ball on joint is in pearl
Slided up and down in groove 12, steel ball is outwards ejected when sliding into pearl 12 hypomere of groove, be connected in the lower section of block 13, form fixed company
Connect, prevent sleeve from being come off from spanner.The handle of rotating spanner, hexagonal spiral shell in torsion rotation driving is transmitted by sleeve and hexagonal rod
Mother, realizes the charge and discharge operations of fastener.After the completion of handling, spanner is lifted up, embedded hole 21 departs from fastener, by lower ejector lever
On fast-falling button, steel ball on joint departs from steel ball from the lower section of block 13 to contract, and joint is de- from sleeve joint hole 11
Fall, complete the separation of sleeve and spanner.
Preferred embodiment of the present utility model is the foregoing is only, is merely illustrative for the utility model, and
It is nonrestrictive.Those skilled in the art understanding, can be to it in the spirit and scope that the utility model claim is limited
Many changes are carried out, is changed, in addition it is equivalent, but fall within protection domain of the present utility model.
Claims (10)
1. a kind of sleeve, it is characterised in that including socket part and fitting portion, the socket part is provided with for connecting driving instrument
Sleeve joint hole, the fitting portion is provided with the embedded hole for being fitted together to nut, and the sleeve joint hole one or more surfaces inwall is provided with indent
Pearl groove, the pearl groove is provided with block.
2. sleeve as claimed in claim 1, it is characterised in that the sleeve joint hole is square, the pearl groove is arranged on institute
State the midline position of sleeve joint hole inwall.
3. sleeve as claimed in claim 2, it is characterised in that the pearl groove is in the arc-shaped.
4. sleeve as claimed in claim 1, it is characterised in that the length of the pearl groove and the depth phase of the sleeve joint hole
Together.
5. sleeve as claimed in claim 4, it is characterised in that be divided into the pearl groove near the sleeve joint hole by the block
The epimere in aperture and the hypomere near the sleeve joint hole bottom hole, the length of the length more than epimere of the pearl groove hypomere.
6. sleeve as claimed in claim 1, it is characterised in that the embedded hole is hexagon ring or 12 corner apertures.
7. sleeve as claimed in claim 6, it is characterised in that the embedded hole inwall is circumferentially provided with boss.
8. the sleeve as described in claim 1-7 is any, it is characterised in that the corner of the sleeve joint hole and embedded hole is fillet.
9. sleeve as claimed in claim 8, it is characterised in that the cartridge exterior is shaped as straight tube shape.
10. sleeve as claimed in claim 8, it is characterised in that the cartridge exterior shape is in " convex " font, its stub end is
The socket part, its small head end is the fitting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395624.9U CN206263834U (en) | 2016-12-19 | 2016-12-19 | A kind of sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395624.9U CN206263834U (en) | 2016-12-19 | 2016-12-19 | A kind of sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206263834U true CN206263834U (en) | 2017-06-20 |
Family
ID=59046825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621395624.9U Active CN206263834U (en) | 2016-12-19 | 2016-12-19 | A kind of sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206263834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116186A (en) * | 2019-05-08 | 2019-08-13 | 宁波安拓实业有限公司 | The manufacturing method of Automobile Service square hole cross recess sleeve blank |
-
2016
- 2016-12-19 CN CN201621395624.9U patent/CN206263834U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116186A (en) * | 2019-05-08 | 2019-08-13 | 宁波安拓实业有限公司 | The manufacturing method of Automobile Service square hole cross recess sleeve blank |
| CN110116186B (en) * | 2019-05-08 | 2021-03-30 | 宁波安拓实业有限公司 | Method for manufacturing square hole cross groove sleeve blank for automobile repair |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |