CN203679831U - Manual spiral fastening device - Google Patents
Manual spiral fastening device Download PDFInfo
- Publication number
- CN203679831U CN203679831U CN201320737586.0U CN201320737586U CN203679831U CN 203679831 U CN203679831 U CN 203679831U CN 201320737586 U CN201320737586 U CN 201320737586U CN 203679831 U CN203679831 U CN 203679831U
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- compression nut
- base plate
- nut
- square shape
- 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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Abstract
The utility model discloses a manual spiral fastening device which comprises a semi-square bottom plate, an F-shaped pressing plate, a compression nut and a threaded rod, wherein the compression nut is used for tensioning the F-shaped pressing plate; the threaded rod is matched with the compression nut to form a thread pair; an unthreaded hole is formed in the middle part of the semi-square bottom plate; one end of the semi-square bottom plate is rotatably connected with the lower end of the F-shaped pressing plate through a dowel I; one end of the threaded rod is rotatably connected with a lug boss on the middle part of the F-shaped pressing plate through a dowel II; the other end of the threaded rod penetrates through the unthreaded hole and is then provided with the compression nut; the compression nut is a butterfly-shaped or hexagonal nut; an anti-sliding gasket is arranged between the compression nut and the semi-square bottom plate; the anti-sliding gasket is a spring gasket. The manual spiral fastening device has the following characteristics of reasonable design, simple structure, convenience in operation, small size, light weight, convenience in disassembly and assembly, reliability in clamping, large force reinforcement ratio, favorable self-locking performance and low production cost.
Description
Technical field
The utility model relates to a kind of fastener, is specifically related to a kind of hand screw fastener.
Background technology
At present, fastener is all widely used in all trades and professions, the problems such as fastener generally adopts the modes such as wedge clamping, eccentric clamping, centering clamping or hinge clamping, and above-mentioned clamping 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 a kind of hand screw fastener is provided, and it is reasonable in design, simple in structure, 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 hand screw fastener, comprise half square shape base plate, it is characterized in that: also comprise the F shape pressing plate that is used in conjunction with described half square shape base plate, form the screw rod of screw thread pair for straining the clamp nut of described F shape pressing plate and matching with described clamp nut; Described half square shape base plate middle part is provided with unthreaded hole, one end of described half square shape base plate and described F shape pressing plate lower end are rotationally connected by pin one, one end of described screw rod and described F shape pressing plate middle part boss are rotationally connected by pin two, the other end of described screw rod is provided with clamp nut through after described unthreaded hole, described clamp nut is wing nut or hex nut, between described clamp nut and described half square shape base plate, be provided with improved mat, described improved mat is spring shim.
Above-mentioned hand screw fastener, is characterized in that: described half square shape base plate and described F shape pressing plate bottom-hinged, one end of described screw rod and described F shape pressing plate middle part boss are hinged.
The utility model compared with prior art has the following advantages:
(1) design of this hand screw fastener is very reasonable, simple and compact for structure, and operating personnel rotate clamp nut and can complete and tighten or loosen operation, and operation is very easy.
(2) this hand screw fastener volume is small and exquisite, very light in weight, and easy accessibility, is easy to carry.
(3) this hand screw fastener adopts screw clamp mode to clamp, reliable clamping, and force increasing ratio is large, and self-locking property is good.
(4) production technology of this hand screw fastener is simple, and requirement on machining accuracy is not high, and all parts are all convenient to produce or buy very much, thereby 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-half square shape base plate; 1-1-unthreaded hole; 2-pin one;
3-pin two; 4-F shape pressing plate; 5-clamp nut;
6-improved mat; 7-screw rod; 8-workpiece.
The specific embodiment
A kind of hand screw fastener as shown in Figure 1, comprise half square shape base plate 1, also comprise the F shape pressing plate 4 that is used in conjunction with described half square shape base plate 1, form the screw rod 7 of screw thread pair for straining the clamp nut 5 of described F shape pressing plate 4 and matching with described clamp nut 5; Described half square shape base plate 1 middle part is provided with unthreaded hole 1-1, one end of described half square shape base plate 1 and described F shape pressing plate 4 lower ends are rotationally connected by pin 1, one end of described screw rod 7 and described F shape pressing plate 4 middle part boss are rotationally connected by pin 23, the other end of described screw rod 7 is provided with clamp nut 5 through after described unthreaded hole 1-1, described clamp nut 5 is wing nut or hex nut, preferably wing nut.Between described clamp nut 5 and described half square shape base plate 1, be provided with improved mat 6, described improved mat 6 is spring shim.
In the present embodiment, described half square shape base plate 1 and described F shape pressing plate 4 bottom-hinged, one end of described screw rod 7 and described F shape pressing plate 4 middle part boss are hinged.
The course of work of the utility model hand screw fastener is: as shown in Figure 1, first workpiece 8 to be tightened is placed between half square shape base plate 1 and F shape pressing plate 4, forward rotation clamp nut 5, the screw rod 7 matching with clamp nut 5 can drive the fastening workpiece 8 of F shape pressing plate 4.Otherwise, rotate backward clamp nut 5 and can unclamp workpiece 8.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation of above embodiment being done according to the utility model technical spirit, all still belongs in the protection domain of technical solutions of the utility model.
Claims (2)
1. a hand screw fastener, comprise half square shape base plate (1), it is characterized in that: also comprise the F shape pressing plate (4) that is used in conjunction with described half square shape base plate (1), form the screw rod (7) of screw thread pair for straining the clamp nut (5) of described F shape pressing plate (4) and matching with described clamp nut (5), described half square shape base plate (1) middle part is provided with unthreaded hole (1-1), one end of described half square shape base plate (1) and described F shape pressing plate (4) lower end are rotationally connected by pin one (2), one end of described screw rod (7) and described F shape pressing plate (4) middle part boss are rotationally connected by pin two (3), the other end of described screw rod (7) is provided with clamp nut (5) through after described unthreaded hole (1-1), described clamp nut (5) is wing nut or hex nut, between described clamp nut (5) and described half square shape base plate (1), be provided with improved mat (6), described improved mat (6) is spring shim.
2. according to hand screw fastener claimed in claim 1, it is characterized in that: described half square shape base plate (1) and described F shape pressing plate (4) bottom-hinged, one end of described screw rod (7) and described F shape pressing plate (4) middle part boss are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737586.0U CN203679831U (en) | 2013-11-19 | 2013-11-19 | Manual spiral fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737586.0U CN203679831U (en) | 2013-11-19 | 2013-11-19 | Manual spiral fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203679831U true CN203679831U (en) | 2014-07-02 |
Family
ID=51001790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320737586.0U Expired - Fee Related CN203679831U (en) | 2013-11-19 | 2013-11-19 | Manual spiral fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203679831U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128816A (en) * | 2014-07-30 | 2014-11-05 | 梧州市旺捷机械制造有限公司 | Connecting seat milling clamp |
| CN105583751A (en) * | 2015-12-30 | 2016-05-18 | 苏州安特实业有限公司 | Multifunctional clamp |
| CN106099443A (en) * | 2016-08-03 | 2016-11-09 | 深圳供电局有限公司 | A kind of switching device for ground wire operating lever |
| CN107042479A (en) * | 2016-12-26 | 2017-08-15 | 天津迈格科技有限公司 | A kind of follow-on seam laser tracking operating process system |
-
2013
- 2013-11-19 CN CN201320737586.0U patent/CN203679831U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128816A (en) * | 2014-07-30 | 2014-11-05 | 梧州市旺捷机械制造有限公司 | Connecting seat milling clamp |
| CN105583751A (en) * | 2015-12-30 | 2016-05-18 | 苏州安特实业有限公司 | Multifunctional clamp |
| CN106099443A (en) * | 2016-08-03 | 2016-11-09 | 深圳供电局有限公司 | A kind of switching device for ground wire operating lever |
| CN107042479A (en) * | 2016-12-26 | 2017-08-15 | 天津迈格科技有限公司 | A kind of follow-on seam laser tracking operating process system |
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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: 20140702 Termination date: 20141119 |
|
| EXPY | Termination of patent right or utility model |