CN202726805U - Three-jaw shifting sleeve - Google Patents
Three-jaw shifting sleeve Download PDFInfo
- Publication number
- CN202726805U CN202726805U CN 201220204853 CN201220204853U CN202726805U CN 202726805 U CN202726805 U CN 202726805U CN 201220204853 CN201220204853 CN 201220204853 CN 201220204853 U CN201220204853 U CN 201220204853U CN 202726805 U CN202726805 U CN 202726805U
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- China
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- thumb wheel
- jaw
- disk body
- spiral thumb
- survivor
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- Expired - Fee Related
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Abstract
The utility model discloses a three-jaw shifting sleeve which comprises a disk body, three movable forcep claws, a spiral thumb wheel, a spanner inserting square hole and the like, wherein the spiral thumb wheel is used as a forcep claw driving mechanism for driving the three movable forcep claws; the three movable forcep claws are respectively and equally arranged on plane threads on the back side of the spiral thumb wheel; threads on the back side of the forcep claw are meshed with the plane threads of the spiral thumb wheel; and accurate clamping and releasing of hexagonal screws with different sizes can be flexibly realized by toggling the spiral thumb wheel with hand. The disk body is rotated by accessories such as a handle and an extension rod to screw and unscrew the screw, so that the three-jaw shifting sleeve is suitable for screws with various specifications and has no damage to the screws. The three-jaw shifting sleeve disclosed by the utility model has the advantages of a traditional sleeve and a shifting wrench and has strong operation adaptability and favorable application values in the fields of manufacture and application.
Description
Technical field
The utility model relates to a kind of hardware ﹠ tools, is specifically related to a kind of three-jaw survivor of a murder attempt sleeve be used to tightening or loosen hex(agonal)screw.
Background technology
On-the-spot in daily life and production and processing, sleeve and shfting wrench are a kind of handling instruments commonly used, can be used to mount and dismount the hex(agonal)screw of all size, but one in existing sleeve can only be applicable to one or both screws, and the shfting wrench structure is comparatively simple, easily occurs skidding even the situation of damaged screws occurs.
The utility model content
The purpose of this utility model provides a kind of three-jaw survivor of a murder attempt sleeve, be installed on the spiral thumb wheel back side plane screw thread hex(agonal)screw that three moveable jaw are vised all size fast by the interlock of rotating screw thumb wheel, realize installation and removal, to remedy the deficiencies in the prior art.
In order to achieve the above object, the utility model has following technical scheme:
The utility model three-jaw survivor of a murder attempt sleeve comprises that disk body, three moveable jaw, spiral thumb wheel and spanners insert the compositions such as square hole.Described disk body is hollow structure, the disk body front is provided with three radial " worker " font draw-in grooves, the disk body center is tubular structure, the centre bore at the disk body back side is provided with spanner and inserts square hole, described spanner inserts the square hole outside and is provided with cannelure, described spiral thumb wheel is installed in the cannelure, tubular structure rotation around the disk body center, disk body, the tubular structure of spiral thumb wheel or disk body is provided with and guarantees the normal rotation of spiral thumb wheel and the latch-up structure that closely meshes with the chela screw thread, the drive surface of described spiral thumb wheel is provided with two convexs and stirs handle, the back side of spiral thumb wheel is provided with the flat thread that pitch equates, described three moveable jaw embed respectively in three radial " worker " font draw-in grooves in disk body front, five equilibrium is installed on the flat thread at the spiral thumb wheel back side, and the screw thread at the moveable jaw back side is meshed with the flat thread of spiral thumb wheel.
The utility model three-jaw survivor of a murder attempt sleeve, described three moveable jaw are divided into positive chela, anti-chela and disengaging pawl.
The utility model three-jaw survivor of a murder attempt sleeve, described spanner inserts square hole and can be used in combination with multiple accessories such as pinch bar, square shaft extension bars.
As further improvement in the technical proposal, the drive surface of described spiral thumb wheel can be set as two matrixs and stir groove, and the drive surface of spiral thumb wheel also can be set as the structural plane of other resistance drive form.
As further improvement in the technical proposal, described disk body can be combined into one the formula structure with pinch bar, or adopts casting or forge or integral structure that the technology such as welding manufactures.
As further improvement in the technical proposal, the tip of described moveable jaw and the contact-making surface of screw can be the modes such as plane, cambered surface or hexagonal angle degree face.
As further improvement in the technical proposal, described disk body or chela are provided with the mechanism that prevents the undue rotation of spiral thumb wheel and chela is come off.
As further improvement in the technical proposal, the shape of described disk body can be irregularly shaped for circular, taper or other.
Owing to having taked above technical scheme, the utility model has the advantage of:
1, the utility model adopts three chela disk bodies and spiral thumb wheel drives structure, because the flat thread pitch at the spiral thumb wheel back side equates, so three moveable jaw move distances equate, self centering effect is arranged, stir the spiral thumb wheel with hand and can easily realize accurately clamping and unclamping, time saving and energy saving.
2, the utility model has improved the pincers control power to workpiece greatly to the application of three chelas, has solved the fixedly chela of traditional concordant jaw and moveable jaw and has been difficult to fasten screw and is easy to skid even the situation of damaged screws.
3, three moveable jaw of the present utility model are divided annexes such as can changing positive chela, anti-chela and disengaging pawl, and the application of positive chela, anti-chela and disengaging pawl has increased operation adaptive capacity of the present utility model greatly.As change three anti-chelas, and can be used to install the larger screw of diameter, change three disengaging pawls, by adjusting the top pawl applicable to the pincers control to the screw of plurality of specifications.
4, the utility model can adopt sleeve combining structure or Wrench-type overall structure, uses various.
5, the utility model adopts the drive surface structure of spiral thumb wheel, can stir handle, matrix by convex stirs the structural plane of groove or other resistance drive form and easily realizes free-hand driving, improve the aesthetic property of using comfort level and manufacture craft, had good using value in manufacturing and application.
Description of drawings
Fig. 1 is the telescopic three-dimensional structure diagram of the utility model three-jaw survivor of a murder attempt sleeve embodiment 1;
Fig. 2 is the Wrench-type three-dimensional structure diagram of the utility model three-jaw survivor of a murder attempt sleeve embodiment 2;
Fig. 3 is the disk body Facad structure figure of the utility model three-jaw survivor of a murder attempt sleeve;
Fig. 4 is the back side and the side scheme of installation of convex spiral thumb wheel on disk body of the utility model three-jaw survivor of a murder attempt sleeve;
Fig. 5 is the back side and the side scheme of installation of matrix spiral thumb wheel on disk body of the utility model three-jaw survivor of a murder attempt sleeve;
Wherein: 1, disk body; 2, moveable jaw; 3, spiral thumb wheel; 4, spanner inserts square hole; 5, draw-in groove; 6, convex is stirred handle; 7, flat thread; 8, pinch bar; 9, centre bore; 10, matrix is stirred groove.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is further described and sets forth, the following specific embodiment is used for explanation the utility model, but is not used for limiting scope of the present utility model.
Embodiment 1: referring to Fig. 1, Fig. 3-5, the utility model three-jaw survivor of a murder attempt sleeve comprises that disk body 1, three moveable jaw 2, spiral thumb wheel 3 and spanners insert the compositions such as square hole 4.Described disk body 1 is hollow structure, disk body 1 front is provided with three radial " worker " font draw-in grooves 5, the centre bore 9 at disk body 1 back side is provided with spanner and inserts square hole 4, described spanner insert square hole 4 can with pinch bar, the multiple accessories such as square shaft extension bar are used in combination, described spanner inserts square hole 4 outsides and is provided with cannelure, described spiral thumb wheel 3 is installed in the cannelure, tubular structure rotation around the disk body center, spiral thumb wheel 3 as the chela driving mechanism to drive three moveable jaw 2, the drive surface of spiral thumb wheel 3 is provided with two convexs and stirs handle 6, the back side of spiral thumb wheel 3 is provided with the flat thread 7 that pitch equates, described three moveable jaw 2 embed respectively in three radial " worker " font draw-in grooves 5 in disk body 1 front, five equilibrium is installed on the flat thread 7 at spiral thumb wheel 3 back sides, the screw thread at moveable jaw 2 back sides is meshed with the flat thread of spiral thumb wheel 3, when the convex of stirring spiral thumb wheel 3 with hand is stirred handle 6, spiral thumb wheel 3 rotates, the flat thread 7 at the back side drive simultaneously three moveable jaw 2 to the center near or withdraw from, in order to clamp the screw of different-diameter.
Embodiment 2: referring to Fig. 2, the utility model three-jaw survivor of a murder attempt sleeve comprises the compositions such as disk body 1, three moveable jaw 2, spiral thumb wheel 3, pinch bar 8.Described disk body 1 is the integral type structure with pinch bar 8, disk body 1 is hollow structure, disk body 1 front is provided with three radial " worker " font draw-in grooves 5, centre bore 9 outsides at disk body 1 back side are provided with cannelure, described spiral thumb wheel 3 is installed in the cannelure, tubular structure rotation around the disk body center, spiral thumb wheel 3 as the chela driving mechanism to drive three moveable jaw 2, the drive surface of spiral thumb wheel 3 is provided with two convexs and stirs handle 6, the back side of spiral thumb wheel 3 is provided with the flat thread 7 that pitch equates, described three moveable jaw 2 embed respectively in three radial " worker " font draw-in grooves 5 in disk body 1 front, five equilibrium is installed on the flat thread 7 at spiral thumb wheel 3 back sides, the screw thread at moveable jaw 2 back sides is meshed with the flat thread of spiral thumb wheel 3, when the convex of stirring spiral thumb wheel 3 with hand is stirred handle 6, spiral thumb wheel 3 rotates, the flat thread 7 at the back side drive simultaneously three moveable jaw 2 to the center near or withdraw from, in order to clamp the screw of different-diameter.
According to embodiment 1, embodiment 2, the utility model three-jaw survivor of a murder attempt sleeve, wherein, described three moveable jaw 2 are divided into positive chela, anti-chela and disengaging pawl, and the application of positive chela, anti-chela and disengaging pawl increases operation adaptive capacity of the present utility model greatly.As change three anti-chelas, and can be used to install the larger screw of diameter, change three disengaging pawls, by adjusting the top pawl applicable to the pincers control to the screw of plurality of specifications.
According to embodiment 1, embodiment 2, as further improvement in the technical proposal, wherein, the drive surface of described spiral thumb wheel 3 can be set as two matrixs and stir groove 10, and thumb and forefinger insert respectively two matrixs and stir groove 10 and can realize driving to three moveable jaw 2.Certainly, on the basis of this application, the drive surface of spiral thumb wheel 3 also can be set as the structural plane of other resistance drive form.
According to embodiment 1, embodiment 2, as further improvement in the technical proposal, the tip of described moveable jaw 2 and the contact-making surface of screw can be the modes such as plane, cambered surface or hexagonal angle degree face.
According to embodiment 1, embodiment 2, as further improvement in the technical proposal, described disk body 1 or chela 2 are provided with the mechanism that prevents the 3 undue rotations of spiral thumb wheel and chela 2 is come off.
According to embodiment 1, embodiment 2, as further improvement in the technical proposal, the shape of described disk body 1 can be irregularly shaped for circular, taper or other.
Claims (9)
1. three-jaw survivor of a murder attempt sleeve, comprise disk body (1), three moveable jaw (2), spiral thumb wheel (3) and spanner insert square hole (4) and form, it is characterized in that: described disk body (1) is hollow structure, the disk body front is provided with three radial " worker " font draw-in grooves (5), the centre bore at disk body (1) back side is provided with spanner and inserts square hole (4), described spanner inserts square hole (4) outside and is provided with cannelure, described spiral thumb wheel (3) is installed in the cannelure, the drive surface of spiral thumb wheel (3) is provided with two convexs and stirs handle (6), the back side of spiral thumb wheel (3) is provided with the flat thread (7) that pitch equates, described three moveable jaw (2) embed respectively in positive three draw-in grooves (5) of disk body (1), five equilibrium is installed on the flat thread (7) at the spiral thumb wheel back side, and the screw thread at moveable jaw (2) back side is meshed with the flat thread (7) of spiral thumb wheel (3).
2. three-jaw survivor of a murder attempt sleeve according to claim 1, it is characterized in that: described disk body (1) can be combined into one the formula structure with pinch bar (8), or adopts casting or forge or integral structure that solder technology manufactures.
3. three-jaw survivor of a murder attempt sleeve according to claim 1, it is characterized in that: described three moveable jaw (2) are divided into positive chela, anti-chela and disengaging pawl.
4. three-jaw survivor of a murder attempt sleeve according to claim 1 is characterized in that: described spanner inserts square hole (4) and can be used in combination with pinch bar, square shaft extension bar multiple accessories.
5. three-jaw survivor of a murder attempt sleeve according to claim 1, it is characterized in that: the drive surface of described spiral thumb wheel (3) can be set as two matrixs and stir groove (11), also can be set as the structural plane of other resistance drive form.
6. three-jaw survivor of a murder attempt sleeve according to claim 1, it is characterized in that: the tip of described moveable jaw (2) and the contact-making surface of screw can be plane, cambered surface or hexagonal angle degree face mode.
7. three-jaw survivor of a murder attempt sleeve according to claim 1 is characterized in that: described disk body (1) or chela (2) are provided with that prevention spiral thumb wheel (3) too rotates and mechanism that chela is come off.
8. three-jaw survivor of a murder attempt sleeve according to claim 1 is characterized in that: the tubular structure of disk body (1), spiral thumb wheel (3) or disk body (1) is provided with the latch-up structure that guarantees that spiral thumb wheel (3) normally rotate and closely mesh with the chela screw thread.
9. three-jaw survivor of a murder attempt sleeve according to claim 1 is characterized in that: the shape of described disk body (1) can be circular, taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220204853 CN202726805U (en) | 2012-04-26 | 2012-04-26 | Three-jaw shifting sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220204853 CN202726805U (en) | 2012-04-26 | 2012-04-26 | Three-jaw shifting sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202726805U true CN202726805U (en) | 2013-02-13 |
Family
ID=47652548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220204853 Expired - Fee Related CN202726805U (en) | 2012-04-26 | 2012-04-26 | Three-jaw shifting sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202726805U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658533A (en) * | 2012-04-26 | 2012-09-12 | 刘士进 | Three-jaw adjustable sleeve |
| CN113635243A (en) * | 2021-08-06 | 2021-11-12 | 广州铁路职业技术学院（广州铁路机械学校） | A portable universal sleeve |
-
2012
- 2012-04-26 CN CN 201220204853 patent/CN202726805U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658533A (en) * | 2012-04-26 | 2012-09-12 | 刘士进 | Three-jaw adjustable sleeve |
| CN113635243A (en) * | 2021-08-06 | 2021-11-12 | 广州铁路职业技术学院（广州铁路机械学校） | A portable universal sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20150426 |
|
| EXPY | Termination of patent right or utility model |