CN201535310U - Anti-steal threaded connection device - Google Patents
Anti-steal threaded connection device Download PDFInfo
- Publication number
- CN201535310U CN201535310U CN2009201361459U CN200920136145U CN201535310U CN 201535310 U CN201535310 U CN 201535310U CN 2009201361459 U CN2009201361459 U CN 2009201361459U CN 200920136145 U CN200920136145 U CN 200920136145U CN 201535310 U CN201535310 U CN 201535310U
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- CN
- China
- Prior art keywords
- screw
- backing
- safety cover
- threaded connection
- connection device
- 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 relates to an anti-steal threaded connection device which comprises a backing-up screw, a stop ring and a protection cap, and further comprises an anti-steal cover used for covering the head part of the backing-up screw, wherein the stop ring and the protection cap are sequentially sleeved on the backing-up screw; an inner chamber of the protection cap faces to the head part of the backing-up screw; the stop ring is arranged in the inner chamber of the protection cap; and at least two bent elastic fins are arranged on the outer circumference of the stop ring. The outer circumferential surface of the anti-steal cover fits the outer circumferential surface of the protection cap, the inner chamber of protection cap covers the head part of the backing-up screw, an annular groove is formed on the inner circumferential surface of the anti-steal cover, the inner circular opening of the anti-steal cover is chamfered, and the elastic fins of the stop ring are clamped in the annular groove of the anti-steal cover. The device is used for fixing parts to be connected through the backing-up screw, and covers the head part of the backing-up screw through the anti-steal cover, so that a bolt can not be detached and can effectively prevent stealing.
Description
Technical field
The utility model relates to coupling arrangement, relates in particular to a kind of antitheft threaded connection device that can not dismantle easily.
Background technique
The invention of bolt connecting device is people's production and the great convenience that life brings, and the still modern electronics industry of only not traditional mechanical industry all be unable to do without screw attachment.Yet screw attachment belongs to a kind of releasable connection, and it is convenient promptly to connect, but dismounting is also convenient.Sometimes, for convenience detachly become a kind of defective, for example, the screw attachment of car plate makes some unprincipled fellows can dismantle connection easily, and the theft car plate.Thereby it is convenient that industry wishes to occur a kind of connection, but can not remove a kind of connection set of connection easily.
Summary of the invention
The utility model is will solve existing screw attachment not have the technical problem of anti-theft feature, proposes a kind of easy for installation and antitheft threaded connection device of dismounting difficulty.
For addressing the above problem, a kind of antitheft threaded connection device that the utility model proposes, it comprises a backing-up screw, is set in Sealing shield ring and safety cover on the backing-up screw bar successively, also comprises a pilferproof closure that the head capping of described backing-up screw is got up.The inner chamber of described safety cover is towards the head of backing-up screw, and Sealing shield ring is located in the inner chamber of safety cover, is provided with the elasticity fin of two bendings at least along the excircle of Sealing shield ring.The outer peripheral surface of described pilferproof closure and the inner peripheral surface of safety cover are adaptive, and its inner chamber cover the head of backing-up screw, and the inner peripheral surface of pilferproof closure is provided with circular groove and interior round mouth chamfering, and the elasticity fin of described Sealing shield ring is stuck in the circular groove of pilferproof closure.
Wherein: the head of described backing-up screw is provided with a word groove, and the side that this word groove clockwise rotates direction is provided with boss and a word groove rotates counterclockwise a side of direction is the plane.
The interior edge face of described backing-up screw head can be provided with locking corrugated surface.
The periphery of described safety cover is the conical surface, and conical surface is provided with the figure line.
The outer surface of described safety cover bottom is provided with the bar shaped boss.
The excircle of described Sealing shield ring is provided with the elasticity fin of five bendings.
The utility model is fixing with Sealing shield ring, safety cover and coupled successively by backing-up screw, pilferproof closure is snapped in the inner ring of safety cover then.When pilferproof closure snapped in, the inclined-plane of round mouth chamfering in it slided at Sealing shield ring fin bending back before this, and the exterior rim of the back Sealing shield ring fin that puts in place snaps in the circular groove of pilferproof closure, if pilferproof closure is extracted, is just stopped by the fin of Sealing shield ring.Because antitheft housing the head of backing-up screw, just can't dismantle this screw.The head interior edge face of backing-up screw is provided with locking corrugated surface in addition, and can only tighten screw clockwise with straight screwdriver, when screw-driver rotates counterclockwise, can't put forth effort, can not knockout screw.Be located at the bar shaped boss of safety cover bottom outer surface, this boss can be embedded during connection in coupled the groove, so that the safety cover location is difficult for rotating.The utility model connects easily, but the dismounting difficulty, thereby can avoid theft effectively.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is done detailed explanation, wherein:
Fig. 1 is the connection schematic representation of the utility model preferred embodiment;
Fig. 2, Fig. 3, Fig. 4 are plan view, left view and the right elevations of backing-up screw among Fig. 1;
Fig. 5, Fig. 6, Fig. 7 are plan view, left view and the right elevations of safety cover among Fig. 1;
Fig. 8, Fig. 9 are plan view, the right elevations of pilferproof closure among Fig. 1;
Figure 10 is the plan view of Sealing shield ring among Fig. 1;
Figure 11 be among Figure 10 A-A to sectional view.
Embodiment
Fig. 1 shows the preferred embodiment of the utility model central layer---be used for the basic structure that car plate connects; described antitheft threaded connection device; it comprises a backing-up screw 1; be set in Sealing shield ring 2 and safety cover 3 on the backing-up screw bar 1 successively, also comprise a pilferproof closure 4 that the head capping of backing-up screw 1 is got up.The inner chamber of safety cover 3 is towards the head of backing-up screw; Sealing shield ring 2 is located in the inner chamber of safety cover 3; be interval with the elasticity fin 5 (consulting Figure 10, Figure 11) of five bendings along the excircle of Sealing shield ring, the quantity of the elasticity fin of Sealing shield ring can be chosen as required, generally is no less than two.The inner peripheral surface of the outer peripheral surface of pilferproof closure 4 and safety cover 3 is adaptive; its inner chamber cover the head of backing-up screw 1; the inner peripheral surface of pilferproof closure 4 is provided with circular groove 6 and interior round mouth 15 chamferings (in conjunction with Fig. 8 and Fig. 9), and the elasticity fin 5 of Sealing shield ring 2 is stuck in the circular groove 6 of pilferproof closure.In conjunction with Fig. 2, Fig. 3, shown in Figure 4, the head of backing-up screw 1 is provided with a word groove 7, and a side that clockwise rotates of this word groove is provided with boss 8 and a word groove rotates counterclockwise a side of direction is plane 9.The interior edge face of backing-up screw 1 head is provided with locking corrugated surface 10.In conjunction with Fig. 5, Fig. 6, shown in Figure 7, the periphery of safety cover 3 is the conical surface, is provided with figure line 11 along conical surface.The outer surface of the bottom of safety cover is provided with bar shaped boss 12.Present embodiment, the periphery of safety cover 3 are the conical surface, be circumferentially with star figure line 11 along conical surface, and the exterior edge face of safety cover can be provided with pattern, " capital A " as shown in Figure 9, or Guangdong A, Guangdong B, Fujian B or the like.
Consult Fig. 1; earlier Sealing shield ring 2, safety cover 3 are enclosed within on backing-up screw 1 bar successively during use; again the bar portion of screw is passed the strip hole 17 on limit, car plate 16 upper end, and inserted the screw hole (not shown), the bar shaped boss 12 of safety cover bottom can be embedded the strip hole 17 of car plate simultaneously.Insert in the word groove 7 of backing-up screw head with straight screwdriver again, and backing-up screw is screwed in screw hole clockwise.At this moment, a side of screw-driver sense of rotation just in time applies force on the boss 8 of backing-up screw 1 head, thereby backing-up screw 1 is screwed and plays the effect that is fastenedly connected.If think to screw off counterclockwise backing-up screw, be plane 9 because a word groove rotates counterclockwise a side of direction, the screw-driver inverse time is rotated bad putting forth effort, and is not quick detachable.After anti-theft screw screwed, the bottom surface in safety cover 3 Inner chambeies was close on the surface of Sealing shield ring 2 protruding ends (right-hand member), then pilferproof closure 4 is snapped in the inner ring of safety cover 3.When pilferproof closure snapped in, the inclined-plane of round mouth 15 chamferings in it slided at Sealing shield ring fin 5 bending backs before this, and the exterior rim of the back Sealing shield ring fin that puts in place snaps in the circular groove of pilferproof closure, if pilferproof closure is extracted left, is just stopped by the fin of Sealing shield ring.Because antitheft housing the head of backing-up screw, just can't dismantle this screw.The head interior edge face of backing-up screw is provided with locking corrugated surface in addition, and can only tighten screw clockwise with straight screwdriver, when screw-driver rotates counterclockwise, can't put forth effort, can not knockout screw.Be located at the bar shaped boss of safety cover bottom outer surface, this boss can be embedded during connection in coupled the groove, so that the safety cover location is difficult for rotating.The utility model connects easily, but the dismounting difficulty, thereby can avoid theft effectively.
Claims (6)
1. antitheft threaded connection device is characterized in that: comprise a backing-up screw (1), be set in Sealing shield ring (2) and safety cover (3) on the backing-up screw bar (1) successively, also comprise a pilferproof closure (4) that the head capping of described backing-up screw is got up; The inner chamber of described safety cover (3) is towards the head of backing-up screw, and Sealing shield ring (2) is located in the inner chamber of safety cover (3), is provided with the elasticity fin (5) of two bendings at least along the excircle of Sealing shield ring; The inner peripheral surface of the outer peripheral surface of described pilferproof closure (4) and safety cover (3) is adaptive; its inner chamber cover the head of backing-up screw (1); the inner peripheral surface of pilferproof closure (4) is provided with circular groove (6) and interior round mouth chamfering, and the elasticity fin (5) of described Sealing shield ring (2) is stuck in the circular groove (6) of pilferproof closure.
2. antitheft threaded connection device as claimed in claim 1, it is characterized in that: the head of described backing-up screw (1) is provided with a word groove (7), and the side that this word groove clockwise rotates direction is provided with boss (8) and a word groove rotates counterclockwise a side of direction is plane (9).
3. antitheft threaded connection device as claimed in claim 2 is characterized in that: the internal surface of described backing-up screw (1) head is provided with locking corrugated surface (10).
4. antitheft threaded connection device as claimed in claim 3 is characterized in that: the periphery of described safety cover (3) is the conical surface, is circumferentially with figure line (11) along conical surface.
5. antitheft threaded connection device as claimed in claim 4 is characterized in that: the outer surface of described safety cover (3) bottom is provided with bar shaped boss (12).
6. antitheft threaded connection device as claimed in claim 5 is characterized in that: the excircle of described Sealing shield ring (2) is provided with the elasticity fin (5) of five bendings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201361459U CN201535310U (en) | 2009-03-20 | 2009-03-20 | Anti-steal threaded connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201361459U CN201535310U (en) | 2009-03-20 | 2009-03-20 | Anti-steal threaded connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201535310U true CN201535310U (en) | 2010-07-28 |
Family
ID=42535089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201361459U Expired - Fee Related CN201535310U (en) | 2009-03-20 | 2009-03-20 | Anti-steal threaded connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201535310U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174942A (en) * | 2011-03-08 | 2011-09-07 | 何天麟 | Screwed-type retainer ring |
| CN104791359A (en) * | 2015-04-20 | 2015-07-22 | 西安海智机电设备有限公司 | Anti-theft screw assembly |
| CN110319016A (en) * | 2019-07-04 | 2019-10-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Axial limiting component, screw compressor and air conditioner |
-
2009
- 2009-03-20 CN CN2009201361459U patent/CN201535310U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174942A (en) * | 2011-03-08 | 2011-09-07 | 何天麟 | Screwed-type retainer ring |
| CN102174942B (en) * | 2011-03-08 | 2012-10-03 | 何天麟 | Screwed-type retainer ring |
| CN104791359A (en) * | 2015-04-20 | 2015-07-22 | 西安海智机电设备有限公司 | Anti-theft screw assembly |
| CN110319016A (en) * | 2019-07-04 | 2019-10-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Axial limiting component, screw compressor and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100728 Termination date: 20110320 |