CN204419819U - A kind of automatic new-type chek bolt - Google Patents
A kind of automatic new-type chek bolt Download PDFInfo
- Publication number
- CN204419819U CN204419819U CN201420812675.1U CN201420812675U CN204419819U CN 204419819 U CN204419819 U CN 204419819U CN 201420812675 U CN201420812675 U CN 201420812675U CN 204419819 U CN204419819 U CN 204419819U
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- CN
- China
- Prior art keywords
- shape switch
- block
- cylinder
- receiving groove
- bolt
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a kind of automatic new-type chek bolt, is provided with receiving groove in described screw rod; Receiving groove communicates with horizontal groove; The bottom of receiving groove is provided with the first cylinder that flexible rod protrudes upward; The flexible rod end of the first cylinder is provided with pushing block; The upper surface of bolt head is provided with the first switch; " I " portions of two " L " shape switch blocks near, be contained in receiving groove; Gap is left bottom protruding underpart and horizontal groove; " I " portion of two " L " shape switch blocks can slide up and down in receiving groove; When " I " portion upward sliding of two " L " shape switch blocks is to extreme higher position, can overturn downwards; " L " shape switch block “ – " portion comprises fixed block, contiguous block and the second cylinder; The upper surface of described bolt head is provided with second switch; Automatic new-type chek bolt of the present utility model, avoids protruding wearing and tearing or damage, and the power of stretching out of cylinder can ensure to take up room contact force and the frictional force of projection and both side surface little, portably uses conveniently.
Description
Technical field
The utility model relates to a kind of automatic new-type chek bolt, and particularly a kind of new-type chek bolt on sheet material, belongs to machanical fastener technical field.
Background technique
Bolt by bolt head and screw rod (with an externally threaded cylindrical body) class fastening piece dimerous, for being fastenedly connected two mechanical parts with through hole.As bolt is screwed out, can make again these two parts separately, therefore bolt connection belongs to removably connect, and is widely used on sheet material.When machinery is run, unavoidably mechanical vibration can be produced, long-term mechanical vibration cause bolt to rock, cause thread abrasion, the fastening effect of bolt is deteriorated, have impact on service behaviour and the stability of machinery, particularly have impact on the machining accuracy of some precision equipments, also likely there is the phenomenon that tapped hole deviate from by bolt, thus cause mechanical failure.
As Chinese utility model patent " a kind of chek bolt ", application number is 201220497162.7, disclose a kind of chek bolt, after screw rod screws in the tapped hole of sheet material, " L " shape switch block is rotated down 90 °, described " L " shape switch block “ –-" interior edge face in portion contacts with sheet material both side surface, due to " L " shape switch block “ –-" portion's interior edge face is provided with array multiple projection, play the effect of increasing friction force, when machinery runs generation mechanical vibration, bolt not easily rocks, make screw thread not easy to wear, add fastening effect, improve service behaviour and the stability of machinery.But when this bolt is in general state constantly, " I " portion upper surface of " L " shape switch block is higher than the upper surface of bolt head, and the space taken is large, extremely inconvenient when portably using; And in use, " L " shape switch block overturns, " L " shape switch block “ –-" before portion's interior edge face contact with sheet material both side surface, sheet material can extrude the several projection in outside, causes protruding wearing and tearing or damage, has had a strong impact on the anti-loosing effect of bolt.
Model utility content
The utility model object is that to provide one to take up room at ordinary times little in order to overcome the deficiencies in the prior art, can work as the automatic new-type chek bolt that can prevent the several projection wearing and tearing in outside when general bolt uses or damage.
For achieving the above object, the technical solution adopted in the utility model is: a kind of new-type chek bolt, comprise bolt body and two " L " shape switch blocks, described bolt body is formed by connecting by bolt head and screw rod, the upper surface of described bolt head has horizontal groove, the bottom in " I " portion of described " L " shape switch block is fillet, described " L " shape switch block “ –-" portion's interior edge face is provided with array multiple projection, it is characterized in that: in described screw rod, be provided with receiving groove; Described receiving groove communicates with horizontal groove; The bottom of described receiving groove is provided with the first cylinder that flexible rod protrudes upward; The flexible rod end of described first cylinder is provided with pushing block; The upper surface of described bolt head is provided with the first switch of control first cylinder; " I " portions of described two " L " shape switch blocks near, be contained in receiving groove, the bottom in " I " portion of described " L " shape switch block contacts with pushing block; When " I " portion of described two " L " shape switch blocks is contained in receiving groove, " –-" portion upper surface of described " L " shape switch block is mutually concordant with bolt head upper surface, and " –-" portion outer side surface of described " L " shape switch block is mutually concordant with the outer side surface of bolt head; Gap is left bottom described protruding underpart and horizontal groove; " I " portion of described two " L " shape switch blocks can slide up and down in receiving groove; When " I " portion upward sliding of described two " L " shape switch blocks is to extreme higher position, can overturn downwards, " I " portion of described " L " shape switch block is positioned at horizontal groove, and " – " portion of described " L " shape switch block is parallel with screw rod; Described " L " shape switch block “ – " portion comprises fixed block, contiguous block and the second cylinder; Described fixed block interior edge face is provided with multiple second cylinder; The flexible rod end of described second cylinder is connected with contiguous block; Described projection is arranged on the interior edge face of contiguous block; The upper surface of described bolt head is provided with the second switch of control second cylinder.
Preferably, four annular grooves are provided with in described receiving groove; The both sides in " I " portion of described " L " shape switch block are provided with cylindrical slider; Described slide block slides in chute, and " I " portion of " L " shape switch block slides up and down in receiving groove, and when sliding into extreme higher position, can overturn downwards.
Preferably, described cylinder is arranged with two.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
New-type chek bolt of the present utility model, " L " shape switch block overturns, " L " shape switch block “ – " before portion's interior edge face contacts with sheet material both side surface; sheet material can not touch the several projection in outside; avoid protruding wearing and tearing or damage; the power of stretching out of cylinder can ensure protruding contact force with both side surface and frictional force, thus ensures the anti-loosening property of bolt; During use, the pushing block that " I " portion of two " L " shape switch blocks is connected by cylinder releases receiving groove, makes easy and simple to handle; When not using, be as good as, take up room little with the bolt generally used at ordinary times, portably use conveniently, can also work as general bolt and use, a bolt is multiplex.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Accompanying drawing 1 is the structural representation of automatic new-type chek bolt of the present utility model;
Accompanying drawing 2 is another viewing angle constructions schematic diagram of automatic new-type chek bolt of the present utility model;
Accompanying drawing 3 is the view of the Telescopic-cylinder bar of automatic new-type chek bolt of the present utility model when stretching out;
Accompanying drawing 4 is the using state schematic diagram of automatic new-type chek bolt of the present utility model;
Wherein: 1, " L " shape switch block; 2, bolt head; 3, screw rod; 4, horizontal groove; 5, fillet; 6, protruding; 7, receiving groove; 8, the first cylinder; 9, pushing block; 10, the first switch; 11, chute; 12, slide block; 13, fixed block; 14, contiguous block; 15, the second cylinder; 16, second switch; 17, sheet material.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
The automatic new-type chek bolt of one described in the utility model as shown in accompanying drawing 1,2, comprise bolt body and two " L " shape switch blocks 1, described bolt body is formed by connecting by bolt head 2 and screw rod 3, the upper surface of described bolt head 2 has horizontal groove 4, and the bottom in " I " portion of described " L " shape switch block 1 is fillet 5; Described " L " shape switch block 1 “ –-" portion's interior edge face is provided with array multiple protruding 6, is provided with receiving groove 7 in described screw rod 3; Described receiving groove 7 communicates with horizontal groove 4; The bottom of described receiving groove 7 is provided with the first cylinder 8 that flexible rod protrudes upward; The flexible rod end of described first cylinder 8 is provided with pushing block 9; The upper surface of described bolt head 2 is provided with the first switch 10 of control first cylinder 8; When not using, " I " portions of described two " L " shape switch blocks 1 near, be contained in receiving groove 7, the bottom in " I " portion of described " L " shape switch block 1 contacts with pushing block 9; When " I " portion of described two " L " shape switch blocks 1 is contained in receiving groove 7, " –-" portion upper surface of described " L " shape switch block 1 is mutually concordant with bolt head 2 upper surface, and " –-" portion outer side surface of described " L " shape switch block 1 is mutually concordant with the outer side surface of bolt head 2; Gap is left bottom described protruding 6 underparts and horizontal groove 4; " I " portion of described two " L " shape switch blocks 1 can slide up and down in receiving groove 7; When " I " portion upward sliding of described two " L " shape switch blocks 1 is to extreme higher position, can overturn downwards, " I " portion of described " L " shape switch block 1 is positioned at horizontal groove 4, and " – " portion of described " L " shape switch block 1 is parallel with screw rod 3; In said structure, in described receiving groove 7, be provided with four annular grooves 11; The both sides in " I " portion of described " L " shape switch block 1 are provided with cylindrical slider 12; Because described slide block 12 slides in chute 11, " I " portion of " L " shape switch block 1 slides up and down in receiving groove 7, and when sliding into extreme higher position, can overturn downwards; Described " L " shape switch block “ – " portion comprises fixed block 13, contiguous block 14 and the second cylinder 15; Described fixed block 13 interior edge face is provided with multiple second cylinder 15; The flexible rod end of described second cylinder 15 is connected with contiguous block 14; Described protruding 6 interior edge faces being arranged on contiguous block 14; The upper surface of described bolt head 2 is provided with the second switch 16 of control second cylinder 15.
As accompanying drawing 3, the automatic new-type chek bolt of one described in the utility model shown in 4, during use, when screw rod 3 screws in after in sheet material 17, from gap, " L " shape switch block 1 is pulled out rear upset, press the first switch 10, the flexible rod of the first cylinder 8 stretches out, drive pushing block 9 that " I " portion of two " L " shape switch blocks 1 is released receiving groove 7, then two " L " shape switch blocks 1 are overturn, as " L " shape switch block 1 “ – " portion parallel with screw rod 3 time, press second switch 16, second cylinder 15 starts, the flexible rod of the second cylinder 15 stretches out, contiguous block 14 is driven to move to sheet material 17 direction, thus the underpart of protruding 6 is contacted with the both side surface of sheet material 16, play the effect of increasing friction force, when machinery runs generation mechanical vibration, bolt not easily rocks, make screw thread not easy to wear, add fastening effect, improve service behaviour and the stability of machinery, some precision equipment machining accuracies are made to be guaranteed especially, bolt is more prevented to deviate from the generation of tapped hole phenomenon, improve the Safety performance of machinery, " L " shape switch block “ –-" before portion's interior edge face contacts with sheet material both side surface, sheet material touches less than the several projection in outside, avoid protruding wearing and tearing or damage, stretch out power simultaneously due to the second cylinder, can ensure protruding contact force with both side surface and frictional force, ensure that the anti-loosening property of bolt, after finishing using, the flexible rod pressing the first switch 10, first cylinder 8 shrinks, and then presses second switch 16, and the flexible rod of the second cylinder 15 shrinks, and then " I " portion of two " L " shape switch blocks 1 is put into receiving groove 7, then unloads bolt body, when this bolt does not use, " I " portions of two " L " shape switch blocks near, be contained in receiving groove, when " I " portion of described two " L " shape switch blocks is contained in receiving groove, " –-" portion upper surface of " L " shape switch block is mutually concordant with bolt head upper surface, " –-" portion outer side surface of " L " shape switch block 1 is mutually concordant with the outer side surface of bolt head, be as good as with the bolt generally used at ordinary times, take up room little, portably use conveniently, can also work as general bolt and use, a bolt is multiplex.
Above-mentioned automatic new-type chek bolt, when described each " L " shape switch block is arranged with two the second cylinders, stretch out power the best, the anti-loosening property of bolt is also best.
Below be only embody rule example of the present utility model, protection domain of the present utility model is not constituted any limitation.The technological scheme that all employing equivalents or equivalence are replaced and formed, all drops within the utility model rights protection scope.
Claims (3)
1. an automatic new-type chek bolt, comprise bolt body and two " L " shape switch blocks, described bolt body is formed by connecting by bolt head and screw rod, the upper surface of described bolt head has horizontal groove, the bottom in " I " portion of described " L " shape switch block is fillet, described " L " shape switch block “ –-" portion's interior edge face is provided with array multiple projection, it is characterized in that: in described screw rod, be provided with receiving groove; Described receiving groove communicates with horizontal groove; The bottom of described receiving groove is provided with the first cylinder that flexible rod protrudes upward; The flexible rod end of described first cylinder is provided with pushing block; The upper surface of described bolt head is provided with the first switch of control first cylinder; " I " portions of described two " L " shape switch blocks near, be contained in receiving groove, the bottom in " I " portion of described " L " shape switch block contacts with pushing block; When " I " portion of described two " L " shape switch blocks is contained in receiving groove, " –-" portion upper surface of described " L " shape switch block is mutually concordant with bolt head upper surface, and " –-" portion outer side surface of described " L " shape switch block is mutually concordant with the outer side surface of bolt head; Gap is left bottom described protruding underpart and horizontal groove; " I " portion of described two " L " shape switch blocks can slide up and down in receiving groove; When " I " portion upward sliding of described two " L " shape switch blocks is to extreme higher position, can overturn downwards, " I " portion of described " L " shape switch block is positioned at horizontal groove, and " – " portion of described " L " shape switch block is parallel with screw rod; Described " L " shape switch block “ – " portion comprises fixed block, contiguous block and the second cylinder; Described fixed block interior edge face is provided with multiple second cylinder; The flexible rod end of described second cylinder is connected with contiguous block; Described projection is arranged on the interior edge face of contiguous block; The upper surface of described bolt head is provided with the second switch of control second cylinder.
2. automatic new-type chek bolt according to claim 1, is characterized in that: be provided with four annular grooves in described receiving groove; The both sides in " I " portion of described " L " shape switch block are provided with cylindrical slider; Described slide block slides in chute, and " I " portion of " L " shape switch block slides up and down in receiving groove, and when sliding into extreme higher position, can overturn downwards.
3. automatic new-type chek bolt according to claim 2, is characterized in that: described second cylinder is arranged with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420812675.1U CN204419819U (en) | 2014-12-19 | 2014-12-19 | A kind of automatic new-type chek bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420812675.1U CN204419819U (en) | 2014-12-19 | 2014-12-19 | A kind of automatic new-type chek bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204419819U true CN204419819U (en) | 2015-06-24 |
Family
ID=53470193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420812675.1U Withdrawn - After Issue CN204419819U (en) | 2014-12-19 | 2014-12-19 | A kind of automatic new-type chek bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204419819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482022A (en) * | 2014-12-19 | 2015-04-01 | 苏州市淞舜五金有限公司 | Novel automatic lock bolt |
-
2014
- 2014-12-19 CN CN201420812675.1U patent/CN204419819U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482022A (en) * | 2014-12-19 | 2015-04-01 | 苏州市淞舜五金有限公司 | Novel automatic lock bolt |
| CN104482022B (en) * | 2014-12-19 | 2016-06-15 | 苏州中拓专利运营管理有限公司 | A kind of automatic new-type check bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150624 Effective date of abandoning: 20160615 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |