CN203627470U - Tension expansion locking device - Google Patents
Tension expansion locking device Download PDFInfo
- Publication number
- CN203627470U CN203627470U CN201320844350.7U CN201320844350U CN203627470U CN 203627470 U CN203627470 U CN 203627470U CN 201320844350 U CN201320844350 U CN 201320844350U CN 203627470 U CN203627470 U CN 203627470U
- Authority
- CN
- China
- Prior art keywords
- subbase
- locking device
- friction
- compressing tablet
- pull
- 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 tension expansion locking device which comprises an expansion sleeve and a pull pin. The expansion sleeve comprises a subbase, friction pressing sheets and an elastic sheet. At least three friction pressing sheets are arranged around the subbase, the two ends of the elastic sheet are fixed onto the friction pressing sheets and the subbase respectively, and the elastic sheet is used for enabling the friction pressing sheets to return; the pull pin comprises two ejector balls, a pull column, a spring and a pull ring, the two ejector balls are installed at the top of the pull column and in the middle of the pull column respectively, the two ends of the spring are installed on the ejector ball in the middle of the pull column and the subbase in a connecting mode respectively; the pull ring is arranged at the lower end of the pull column; protrusion structures are evenly arranged on the sides, making contact with a wall, of the friction pressing sheets; the upper half portions of the ejector balls are spherical surfaces, the lower half portions of the ejector balls are conical surfaces so that the friction pressing sheets can be opened in an ejecting mode easily. The tension expansion locking device has the advantages that the tension expansion locking device can be used for hanging weights rapidly, can further be used for removing a locking state remotely, and can be applied to the situation that constraint of an object needs to be removed, however it is inconvenient for personnel to be in the site.
Description
Technical field
The utility model relates to tension force traction, suspension or bracing wire to be fixed (as finishing bracing wire, ceiling hanger, crane hangs lifting) and tractive rapid unhooking (as crane placement object rapid unhooking, hanger touches end unloading, tractor deceleration unhook, the weightless parabolic in high-altitude etc.) technical field, specifically, be a kind of pulling force expansion locking device.
Background technique
In daily life, especially in repairs profession, need to be at ceiling permanent or while hanging as light fixture or other decorations temporarily, generally adopt EXPANSION ANCHOR BOLTS to fix, so not only install and waste time and energy, and certain infringement is caused in the hanging position such as body of wall or roof; Meanwhile, in the time of dismounting, need to unload bolt, just can take off hanger, bring very large inconvenience to construction and daily life.
Model utility content
In order to overcome above technical problem, the utility model provides a kind of pulling force expansion locking device.
The utility model solves its technical problem and adopts following technological scheme to realize: a kind of pulling force expansion locking device, comprise expansion sleeve and draw pin, described expansion sleeve comprises subbase, friction compressing tablet and shell fragment, be provided with at least three friction compressing tablets around subbase, described shell fragment two ends are separately fixed on friction compressing tablet and subbase, and the effect of shell fragment is to make to rub compressing tablet return; The described pin that draws comprises heading, stay column, spring and draw ring, and described heading is two, and two headings are installed on respectively stay column top and middle part, and described both ends of the spring is connected and installed in respectively heading and the subbase at stay column middle part, and the effect of spring is to make to draw pin return; Described draw ring is arranged on stay column lower end;
Described subbase middle part is vertically provided with cylindrical tube, and for fixing spring, and keep-spring can offset direction;
Described friction compressing tablet is connected with the cylindrical tube on subbase by bearing pin, and friction compressing tablet can rotate around bearing pin;
In the side that described friction compressing tablet contacts with wall, be evenly provided with protruding structure, with increasing friction force;
Described heading upper half part is sphere, and lower half portion is the conical surface, is beneficial to back down friction compressing tablet.
The beneficial effect that the utility model produces is, the utility model can fast speed hangs weight, can also remove at a distance locking state, can be used in need to remove the constraint of object but the personnel body of being not easy to faces on-the-spot situation.
Accompanying drawing explanation
Be elaborated below in conjunction with the drawings and specific embodiments:
As shown be the utility model structural representation
In figure, 1, subbase 2, friction compressing tablet 3, shell fragment 4, heading 5, stay column 6, spring 7, draw ring 8, wall 9, protruding structure 10, cylindrical tube
Embodiment
Specifically describe embodiment of the present utility model below:
As shown in the figure, a kind of pulling force expansion locking device, comprise expansion sleeve and draw pin, described expansion sleeve comprises subbase 1, friction compressing tablet 2 and shell fragment 3, be provided with at least three friction compressing tablets 2 around subbase 1, described shell fragment 3 two ends are separately fixed on friction compressing tablet 2 and subbase 1, and the effect of shell fragment 3 is to make to rub compressing tablet return; The described pin that draws comprises heading 4, stay column 5, spring 6 and draw ring 7, described heading 4 is two, two headings 4 are installed on respectively stay column 5 tops and middle part, and described spring 6 two ends are connected and installed in respectively heading 4 and the subbase 1 at stay column 5 middle parts, and the effect of spring 6 is to make to draw pin return; Described draw ring 7 is arranged on stay column 5 lower ends;
Described subbase 1 middle part is vertically provided with cylindrical tube 10, and for fixing spring 6, and keep-spring 6 can offset direction;
Described friction compressing tablet 2 is connected with the cylindrical tube 10 on subbase 1 by bearing pin, and friction compressing tablet 2 can rotate around bearing pin;
In the side that described friction compressing tablet 2 contacts with wall, be evenly provided with protruding structure 9, with increasing friction force;
Described heading 4 upper half part are sphere, and lower half portion is the conical surface, are beneficial to back down friction compressing tablet 2.
The utility model in use, arresting subbase 1 inserts friction compressing tablet 2 upper ends in the hole or gap on wall 8, pull down draw ring 7, make to head a ball 4 back down friction compressing tablet 2 near hole or gap wall, under the effect of frictional force, locking sleeve makes it can not deviate from hole or gap.When pulling down after the pulling force disappearance of draw ring 7, draw pin return under spring 6 effects, friction compressing tablet 2 return under the effect of shell fragment 3, is pulled outwardly expansion sleeve and can makes it deviate from hole or gap.
Adopt the utility model, the locking device that is hung with decoration can be inserted in the hole on ceiling and unclamps, remove from as the troublesome operation by EXPANSION ANCHOR BOLTS; In climber or high-lift operation, this device is injected to eminence hole internal locking, keep tension force to decline from eminence, can reclaim rope to eliminating tension force behind destination; Unloading goods from high to lower, can be inserted in the hole internal locking on goods with this device locking, and goods touches behind lower ground, and locking device release is broken off relations, without special messenger's release down below; When traction one object advances, be in the time that non-stop state need to be removed traction thing, available this device locking is pulled thing, is greater than traction thing as long as make to be pulled thing speed, and locking device will break off relations in release.
The utility model is not limited to above-mentioned mode of execution, and anyone should learn the technological scheme identical or close with the utility model of making under enlightenment of the present utility model, within all falling into protection domain of the present utility model.
Technology, shape, structure part that the utility model is not described in detail are known technology.
Claims (5)
1. a pulling force expansion locking device, it is characterized in that, comprise expansion sleeve and draw pin, described expansion sleeve to comprise subbase, friction compressing tablet and shell fragment, be provided with at least three friction compressing tablets around subbase, described shell fragment two ends are separately fixed on friction compressing tablet and subbase; The described pin that draws comprises heading, stay column, spring and draw ring, and described heading is two, and two headings are installed on respectively stay column top and middle part, and described both ends of the spring is connected and installed in respectively heading and the subbase at stay column middle part; Described draw ring is arranged on stay column lower end.
2. pulling force expansion locking device as claimed in claim 1, is characterized in that, described subbase middle part is vertically provided with cylindrical tube.
3. pulling force expansion locking device as claimed in claim 2, is characterized in that, friction compressing tablet is connected with the cylindrical tube on subbase by bearing pin, and friction compressing tablet can rotate around bearing pin.
4. pulling force expansion locking device as claimed in claim 1, is characterized in that, in the side that described friction compressing tablet contacts with wall, is evenly provided with protruding structure.
5. pulling force expansion locking device as claimed in claim 1, is characterized in that, described heading upper half part is sphere, and lower half portion is the conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320844350.7U CN203627470U (en) | 2013-12-20 | 2013-12-20 | Tension expansion locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320844350.7U CN203627470U (en) | 2013-12-20 | 2013-12-20 | Tension expansion locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203627470U true CN203627470U (en) | 2014-06-04 |
Family
ID=50813953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320844350.7U Expired - Fee Related CN203627470U (en) | 2013-12-20 | 2013-12-20 | Tension expansion locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203627470U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644181A (en) * | 2013-12-20 | 2014-03-19 | 张帆 | Tension expansion locking device |
| CN105422570A (en) * | 2015-12-10 | 2016-03-23 | 孙莉新 | Fastening mechanism used for installation of shelves |
-
2013
- 2013-12-20 CN CN201320844350.7U patent/CN203627470U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644181A (en) * | 2013-12-20 | 2014-03-19 | 张帆 | Tension expansion locking device |
| CN105422570A (en) * | 2015-12-10 | 2016-03-23 | 孙莉新 | Fastening mechanism used for installation of shelves |
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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: 20140604 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |