CN208033700U - A kind of Three-jaw fixture - Google Patents
A kind of Three-jaw fixture Download PDFInfo
- Publication number
- CN208033700U CN208033700U CN201820403169.5U CN201820403169U CN208033700U CN 208033700 U CN208033700 U CN 208033700U CN 201820403169 U CN201820403169 U CN 201820403169U CN 208033700 U CN208033700 U CN 208033700U
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- China
- Prior art keywords
- worm gear
- whirlpool
- worm
- disk
- retractive leg
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Abstract
The utility model discloses a kind of Three-jaw fixtures, including shell, worm gear lid, capping, whirlpool disk, Retractive leg, shaft, claw, operation handle, worm and worm wheel, the inside of shell is installed by whirlpool disk, the inside of worm gear lid is equipped with worm gear, the top of worm gear is engaged with the worm screw for being fixedly connected on operation handle, the mounting disc being fixedly mounted in shaft is fixedly mounted by screw and worm gear, shaft stretches into shell and is fixedly mounted with whirlpool disk, whirlpool slot is offered on the disk of whirlpool, engaging has the bearing of the one end for being installed on Retractive leg in the slot of whirlpool, and the one end of Retractive leg far from whirlpool disk is equipped with claw.This Three-jaw fixture, the worm gear mechanism of self-locking type is driven by using operation handle, bearing rotates driving Retractive leg along whirlpool slot and extends outwardly activity, three claws can be opened and closed synchronously, realize the purpose for being clamped in center and Plane of rotation on wheel hub for positioning wheel hub, this clamp structure is simple, and stroke is big, easy to use and flexible is more suitable for matching with four-wheel position finder.
Description
Technical field
The utility model is related to Three-jaw fixture technical field, specially a kind of Three-jaw fixture.
Background technology
It is used for fixing processing object during machine-building, is allowed to occupy correct position, is constructed or detected with receiving
Device, also known as fixture.In a broad sense, any process in technical process, for it is rapid, workpiece is easily and safely installed
Device, all can be described as fixture.Such as welding fixture, inspection jig, assembling jig, jig etc..Wherein jig is most
It is common, is often simply called fixture.
In the positioning of automotive hub, it can also use and arrive Three-jaw fixture, Three-jaw fixture presss from both sides size model in existing scheme
Enclose smaller, volume is big, from great and complicated for operation.
Utility model content
The purpose of this utility model is to provide a kind of Three-jaw fixture, have the advantages that light, easy to operate, stroke is big,
Solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions：A kind of Three-jaw fixture, including shell, worm gear
Lid, capping, whirlpool disk, Retractive leg, shaft, claw, operation handle, worm and worm wheel, the side of the shell is screwed
Worm gear lid is installed, whirlpool disk is installed in the inside of shell, and the inside of the worm gear lid is equipped with worm gear, and the top of worm gear is engaged with fixation
It is connected to the worm screw of operation handle, the internal thread that the operation handle outside worm gear lid is opened up by worm gear lid connects with worm gear lid
It connecing, the centre of the worm gear and whirlpool disk penetrates shaft, and the mounting disc being fixedly mounted in shaft is fixedly mounted by screw and worm gear,
Shaft stretches into shell and is fixedly mounted with whirlpool disk, whirlpool slot is offered on the whirlpool disk, engaging in the slot of whirlpool has be installed on Retractive leg one
The bearing at end, the Retractive leg extends outwardly through the guiding groove for being fixedly connected on worm gear exterior surface from worm gear lid, described to stretch
The one end of contracting leg far from whirlpool disk is equipped with claw, and the other end of the shell is sealed by the capping of fixed installation.
Preferably, the claw endoporus for installing claw is offered on the Retractive leg.
Preferably, there are three the whirlpool slot settings, using the center of whirlpool disk as center of circle array distribution, installation one in each whirlpool slot
A Retractive leg.
Preferably, the worm and worm wheel are self locking type worm gear-worm mechanism.
Compared with prior art, the beneficial effects of the utility model are as follows：
The utility model Three-jaw fixture drives the worm gear mechanism of self-locking type, drive to have by using operation handle
The whirlpool disk rotation of the whirlpool slot of array distribution, bearing rotate driving Retractive leg along whirlpool slot and extend outwardly activity, and claw synchronously opens and closes,
Three claws can be opened and closed synchronously, realize the purpose for being clamped in center and Plane of rotation on wheel hub for positioning wheel hub, be used
In positioning automotive hub center and Plane of rotation, installation measures target, this clamp structure is simple, and stroke is big, and maintenance cost is low, body
Small, the easy to use and flexible of product, is more suitable for matching with four-wheel position finder.
Description of the drawings
Fig. 1 is the decomposition diagram of the utility model；
Fig. 2 is the internal structure schematic diagram of the utility model；
Fig. 3 is the worm and gear connection diagram of the utility model；
Fig. 4 is the front appearance schematic diagram of the utility model；
Fig. 5 is the back appearance schematic diagram of the utility model.
In figure：1 shell, 2 worm gear lids, 21 internal threads, 3 cappings, in 4 whirlpool disks, 4 whirlpool slots, 5 Retractive legs, 51 bearings, 52 claws
Hole, 6 shafts, 61 mounting discs, 7 claws, 8 operation handles, 9 worm screws, 10 worm gears, 11 guiding grooves.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-2 and 4-5, a kind of Three-jaw fixture, including shell 1, worm gear lid 2, capping 3, whirlpool disk 4, Retractive leg 5,
The side of shaft 6, claw 7, operation handle 8, worm screw 9 and worm gear 10, shell 1 is screwed installation worm gear lid 2, shell 1
Inside whirlpool disk 4 is installed, the inside of worm gear lid 2 is equipped with worm gear 10, and worm gear lid 2 covers worm gear 10 for protecting worm gear 10,
The top of worm gear 10 is engaged with the worm screw 9 for being fixedly connected on operation handle 8, by rotate operation handle 8 drive worm screw 9 rotation from
And worm gear 10 is driven to rotate, worm screw 9 and worm gear 10 are self locking type worm gear-worm mechanism, and selection meets the worm gear snail of self-locking on the market
There is linkage self-locking function can prevent from causing to loosen after claw clamping wheel hub, fall off, the manipulator being located at outside worm gear lid 2
The internal thread 21 that handle 8 is opened up by worm gear lid 2 is connect with worm gear lid 2, and the centre of worm gear 10 and whirlpool disk 4 penetrates shaft 6, shaft 6
The mounting disc 61 of upper fixed installation is fixedly mounted by screw and worm gear 10, ensures to drive mounting disc 61 while worm gear 10 rotates
Shaft 6 is set to rotate, shaft 6 stretches into shell 1 and is fixedly mounted with whirlpool disk 4, after worm gear 10 is driven, drives shaft 6 to rotate, to drive
Whirlpool disk 4 inside dynamic shell 1 rotates.
Referring to Fig. 3, offering whirlpool slot 41 on whirlpool disk 4, there are three the settings of whirlpool slot 41, using the center of whirlpool disk 4 as center of circle battle array
Column distribution ensures that three whirlpool slots 41 are bent equal distribution, engages the bearing 51 for having the one end for being installed on Retractive leg 5 in whirlpool slot 41,
One Retractive leg 5 is installed, while whirlpool disk 4 rotates in each whirlpool slot 41 so that bearing 51 rotates in the whirlpool slot 41 of snail type, from
And the activity outward of Retractive leg 5 is pushed, Retractive leg 5 extends outwardly through from worm gear lid 2 and is fixedly connected on leading for 2 outer surface of worm gear lid
Positive slot 11, Retractive leg 5 is along line activities in guiding groove 11, and the one end of Retractive leg 5 far from whirlpool disk 4 is equipped with claw 7, and three are stretched
Contracting leg 5 synchronizes outside activity, and stroke is big, and three claws 7 can be opened and closed synchronously, and realization is clamped on wheel hub for positioning wheel hub
Center and Plane of rotation purpose, simple in structure, maintenance cost is low, small, easy to use and flexible, is more suitable for and four-wheel
Position indicator matches, and the claw endoporus 52 for installing claw 7 is offered on Retractive leg 5, can be used for the adjusting peace of claw 7
The other end of dress, shell 1 is sealed by the capping 3 of fixed installation.
Operation principle：Drive the rotation of worm screw 9 to drive worm gear 10 to rotate by rotating operation handle 8, worm gear 10 is driven
After dynamic, shaft 6 is driven to rotate, to drive the whirlpool disk 4 inside shell 1 to rotate, while whirlpool disk 4 rotates so that bearing
51 rotate in the whirlpool slot 41 of snail type, and to push Retractive leg 5, activity, claw 7 synchronously open and close outward.
In summary：The utility model Three-jaw fixture drives the worm and gear machine of self-locking type by using operation handle 8
Structure drives the whirlpool disk 4 of the whirlpool slot 41 with array distribution to rotate, and bearing 51 rotates driving Retractive leg 5 along whirlpool slot 41 and extends outwardly
Activity, claw 7 synchronously open and close, and three claws 7 can be opened and closed synchronously, and realization is clamped on wheel hub for positioning in wheel hub
The purpose of the heart and Plane of rotation, for positioning automotive hub center and Plane of rotation, installation measures target, the letter of this clamp structure
Single, stroke is big, and maintenance cost is low, small, easy to use and flexible, is more suitable for matching with four-wheel position finder.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of Three-jaw fixture, including shell (1), worm gear lid (2), capping (3), whirlpool disk (4), Retractive leg (5), shaft (6), card
Pawl (7), operation handle (8), worm screw (9) and worm gear (10), it is characterised in that：The side of the shell (1) is screwed
Worm gear lid (2) is installed, the inside installation whirlpool disk (4) of shell (1), the inside of the worm gear lid (2) is equipped with worm gear (10), worm gear
(10) top is engaged with the worm screw (9) for being fixedly connected on operation handle (8), is located at the external operation handle (8) of worm gear lid (2)
The internal thread (21) opened up by worm gear lid (2) is connect with worm gear lid (2), and the centre of the worm gear (10) and whirlpool disk (4) penetrates
Shaft (6), the mounting disc (61) being fixedly mounted in shaft (6) are fixedly mounted by screw and worm gear (10), and shaft (6) stretches into outer
Shell (1) is fixedly mounted with whirlpool disk (4), and whirlpool slot (41) is offered on the whirlpool disk (4), and the middle engaging of whirlpool slot (41) is installed on flexible
The bearing (51) of one end of leg (5), the Retractive leg (5) extends outwardly through from worm gear lid (2) is fixedly connected on worm gear lid (2)
The guiding groove (11) of outer surface, the one end of the Retractive leg (5) far from whirlpool disk (4) are equipped with claw (7), the shell (1)
The other end is sealed by the capping (3) of fixed installation.
2. a kind of Three-jaw fixture according to claim 1, it is characterised in that：It is offered on the Retractive leg (5) for pacifying
Be loaded the claw endoporus (52) of pawl (7).
3. a kind of Three-jaw fixture according to claim 1, it is characterised in that：There are three whirlpool slot (41) settings, with whirlpool
The center of disk (4) is center of circle array distribution, and a Retractive leg (5) is installed in each whirlpool slot (41).
4. a kind of Three-jaw fixture according to claim 1, it is characterised in that：The worm screw (9) and worm gear (10) are self-locking
Type worm gear mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820403169.5U CN208033700U (en) | 2018-03-23 | 2018-03-23 | A kind of Three-jaw fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820403169.5U CN208033700U (en) | 2018-03-23 | 2018-03-23 | A kind of Three-jaw fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208033700U true CN208033700U (en) | 2018-11-02 |
Family
ID=63948579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820403169.5U Active CN208033700U (en) | 2018-03-23 | 2018-03-23 | A kind of Three-jaw fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208033700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555328A (en) * | 2018-03-23 | 2018-09-21 | 深圳科澳汽车科技有限公司 | A kind of Three-jaw fixture and its working method |
-
2018
- 2018-03-23 CN CN201820403169.5U patent/CN208033700U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555328A (en) * | 2018-03-23 | 2018-09-21 | 深圳科澳汽车科技有限公司 | A kind of Three-jaw fixture and its working method |
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