CN204339625U - Screw drive formula compressing fixture - Google Patents
Screw drive formula compressing fixture Download PDFInfo
- Publication number
- CN204339625U CN204339625U CN201420740914.7U CN201420740914U CN204339625U CN 204339625 U CN204339625 U CN 204339625U CN 201420740914 U CN201420740914 U CN 201420740914U CN 204339625 U CN204339625 U CN 204339625U
- Authority
- CN
- China
- Prior art keywords
- threaded rod
- clamp arm
- shape clamp
- mount pad
- described threaded
- 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.)
- Expired - Fee Related
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model discloses a kind of screw drive formula compressing fixture, comprise L shape clamp arm one, L shape clamp arm two, connecting rod, screw shell, threaded rod one and described threaded rod two, described L shape clamp arm one inside middle portion is rotationally connected by mount pad one one end with described threaded rod one, described L shape clamp arm two inside middle portion is rotationally connected by mount pad four one end with described threaded rod two, the other end of described threaded rod one and the other end of described threaded rod two are set in the two ends of described screw shell, the external screw thread direction of described threaded rod one and described threaded rod two is contrary, described L shape clamp arm one lower end inside is rotationally connected by mount pad two and described connecting rod one end, described L shape clamp arm two lower end inside is rotationally connected by mount pad three and the described connecting rod other end.The utility model has following characteristics: reasonable in design, and structure is simple, easy to operate, easy accessibility, reliable clamping, and force increasing ratio is large, and self-locking property is good.
Description
Technical field
The utility model relates to a kind of hold down gag, is specifically related to a kind of screw drive formula compressing fixture.
Background technology
At present, hold down gag is all widely used in all trades and professions, the problems such as hold down gag generally adopts the modes such as wedge compression, eccentric jam, centering compression or hinge compression, and above-mentioned compression mode exists structure and manufacture craft relative complex, and force increasing ratio is relatively little.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and provide a kind of screw drive formula compressing fixture, it is reasonable in design, structure is simple, easy to operate, volume is little, lightweight, easy accessibility, reliable clamping, force increasing ratio is large, and self-locking property is good, production cost is low, is convenient to promote the use of.
For achieving the above object, the technical solution adopted in the utility model is: a kind of screw drive formula compressing fixture, comprising symmetrically arranged L shape clamp arm one and L shape clamp arm two and the connecting rod for being connected described L shape clamp arm one and L shape clamp arm two, it is characterized in that: also comprise screw shell and match with described the screw shell described threaded rod one and described threaded rod two that form screw thread pair, described L shape clamp arm one inside middle portion is rotationally connected by mount pad one one end with described threaded rod one, described L shape clamp arm two inside middle portion is rotationally connected by mount pad four one end with described threaded rod two, the other end of described threaded rod one and the other end of described threaded rod two are set in the two ends of described screw shell, the external screw thread direction of described threaded rod one and described threaded rod two is contrary, described L shape clamp arm one lower end inside is rotationally connected by mount pad two and described connecting rod one end, described L shape clamp arm two lower end inside is rotationally connected by mount pad three and the described connecting rod other end.
Above-mentioned screw drive formula compressing fixture, is characterized in that: described L shape clamp arm one openend is fixedly installed presser feet one, and described L shape clamp arm two openend is fixedly installed matches for the presser feet two of workpiece pressing with described presser feet one.
Above-mentioned screw drive formula compressing fixture, is characterized in that: described mount pad one is hinged with one end of described threaded rod one, and described mount pad four is hinged with one end of described threaded rod two.
Above-mentioned screw drive formula compressing fixture, is characterized in that: described mount pad two is hinged with described connecting rod one end, and described mount pad three is hinged with the described connecting rod other end.
The utility model compared with prior art has the following advantages:
(1) design of this screw drive formula compressing fixture is very reasonable, simple and compact for structure, and what operating personnel rotated that screw shell can complete workpiece tightens or loosens operation, and operation is very easy.
(2) this screw drive formula compressing fixture compact, very light in weight, easy accessibility, is convenient to carrying.
(3) this screw drive formula compressing fixture adopts screw clamp compression convenient and reliable, and force increasing ratio is large, and self-locking property is good.
(4) production technology of this screw drive formula compressing fixture is simple, and requirement on machining accuracy is not high, and all parts are convenient to produce or buy all very much, and thus its production cost is very low, is convenient to promote the use of.
Below by drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Description of reference numerals:
1-L shape clamp arm one; 1-1-L shape clamp arm one; 2-mount pad one;
3-threaded rod one; 4-mount pad two; 5-screw shell;
6-connecting rod; 7-mount pad three; 8-threaded rod two;
9-mount pad four; 10-L shape clamp arm two; 10-1-L shape clamp arm two;
11-workpiece.
Detailed description of the invention
A kind of screw drive formula compressing fixture as shown in Figure 1, comprising symmetrically arranged L shape clamp arm 1 and L shape clamp arm 2 10 and the connecting rod 6 for being connected described L shape clamp arm 1 and L shape clamp arm 2 10, also comprising screw shell 5 and match with described the screw shell 5 described threaded rod 1 and described threaded rod 28 that form screw thread pair, described L shape clamp arm 1 inside middle portion is rotationally connected by mount pad 1 and described threaded rod 1 one end, described L shape clamp arm 2 10 inside middle portion is rotationally connected by mount pad 49 and described threaded rod 28 one end, the other end of described threaded rod 1 and the other end of described threaded rod 28 are set in the two ends of described screw shell 5, the external screw thread direction of described threaded rod 1 and described threaded rod 28 is contrary, described L shape clamp arm 1 lower end inside is rotationally connected by mount pad 24 and described connecting rod 6 one end, described L shape clamp arm 2 10 lower end inside is rotationally connected by mount pad 37 and described connecting rod 6 other end.
In the present embodiment, described L shape clamp arm 1 openend is fixedly installed presser feet one 1-1, and described L shape clamp arm 2 10 openend is fixedly installed matches for presser feet two 10-1 of workpiece pressing 11 with described presser feet one 1-1.
In the present embodiment, described mount pad 1 is hinged with one end of described threaded rod 1, and described mount pad 49 is hinged with one end of described threaded rod 28.
In the present embodiment, described mount pad 24 is hinged with described connecting rod 6 one end, and described mount pad 37 is hinged with described connecting rod 6 other end.
The course of work of the utility model screw drive formula compressing fixture is: as shown in Figure 1, first will treat that workpiece pressing 11 is placed between presser feet one 1-1 and presser feet two 10-1, rotate forward screw shell 5, threaded rod 1 and threaded rod 28 all enter in screw shell 6, thus make L shape clamp arm 1 and L shape clamp arm 2 10 drive presser feet one 1-1 and presser feet two 10-1 workpiece pressing 11 respectively.Otherwise, rotate forward screw shell 5 and can unclamp workpiece 11.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (4)
1. a screw drive formula compressing fixture, comprising symmetrically arranged L shape clamp arm one (1) and L shape clamp arm two (10) and the connecting rod (6) for being connected described L shape clamp arm one (1) and L shape clamp arm two (10), it is characterized in that: also comprise screw shell (5) and match with described screw shell (5) the described threaded rod one (3) and described threaded rod two (8) that form screw thread pair, described L shape clamp arm one (1) inside middle portion is rotationally connected by mount pad one (2) and described threaded rod one (3) one end, described L shape clamp arm two (10) inside middle portion is rotationally connected by mount pad four (9) and described threaded rod two (8) one end, the other end of described threaded rod one (3) and the other end of described threaded rod two (8) are set in the two ends of described screw shell (5), the external screw thread direction of described threaded rod one (3) and described threaded rod two (8) is contrary, described L shape clamp arm one (1) lower end inside is rotationally connected by mount pad two (4) and described connecting rod (6) one end, described L shape clamp arm two (10) lower end inside is rotationally connected by mount pad three (7) and described connecting rod (6) other end.
2. according to screw drive formula compressing fixture according to claim 1, it is characterized in that: described L shape clamp arm one (1) openend is fixedly installed presser feet one (1-1), described L shape clamp arm two (10) openend is fixedly installed matches for the presser feet two (10-1) of workpiece pressing (11) with described presser feet one (1-1).
3. according to screw drive formula compressing fixture according to claim 1, it is characterized in that: described mount pad one (2) is hinged with one end of described threaded rod one (3), described mount pad four (9) is hinged with one end of described threaded rod two (8).
4. according to screw drive formula compressing fixture according to claim 1, it is characterized in that: described mount pad two (4) is hinged with described connecting rod (6) one end, described mount pad three (7) is hinged with described connecting rod (6) other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420740914.7U CN204339625U (en) | 2014-11-28 | 2014-11-28 | Screw drive formula compressing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420740914.7U CN204339625U (en) | 2014-11-28 | 2014-11-28 | Screw drive formula compressing fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204339625U true CN204339625U (en) | 2015-05-20 |
Family
ID=53222924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420740914.7U Expired - Fee Related CN204339625U (en) | 2014-11-28 | 2014-11-28 | Screw drive formula compressing fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204339625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826896A (en) * | 2017-01-18 | 2017-06-13 | 赵浩琛 | A kind of manipulator for being easy to adjustment width |
-
2014
- 2014-11-28 CN CN201420740914.7U patent/CN204339625U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826896A (en) * | 2017-01-18 | 2017-06-13 | 赵浩琛 | A kind of manipulator for being easy to adjustment width |
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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: 20150520 Termination date: 20151128 |