CN110425214B - Anti-theft bolt with anti-theft sleeve - Google Patents
Anti-theft bolt with anti-theft sleeve Download PDFInfo
- Publication number
- CN110425214B CN110425214B CN201910783396.4A CN201910783396A CN110425214B CN 110425214 B CN110425214 B CN 110425214B CN 201910783396 A CN201910783396 A CN 201910783396A CN 110425214 B CN110425214 B CN 110425214B
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- auxiliary
- hole
- cover
- bolt head
- theft
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- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Burglar Alarm Systems (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses an anti-theft bolt with an anti-theft sleeve, which comprises a bolt head, a bolt rod, an auxiliary cover, the anti-theft sleeve, a clamping groove and a movable rod, wherein the bolt head is hexagonal, the bolt rod is fixed at the center of the bottom of the bolt head, the auxiliary cover with an opening at the lower end is sleeved on the bolt head, the auxiliary cover and the bolt head are fixed mutually, the outer part of the auxiliary cover is cylindrical, the anti-theft sleeve with an opening at the lower end is sleeved on the auxiliary cover, the bottom of the anti-theft sleeve is provided with a through hole for sleeving the auxiliary cover, the inner diameter of the through hole is slightly larger than the outer diameter of the auxiliary cover, the outer part of the auxiliary cover is provided with a circle of annular clamping groove, the inner wall of the through. According to the anti-theft cover, the movable rod is combined with the clamping groove, so that the anti-theft cover and the auxiliary cover are not easy to separate, and can slip when rotating, so that a bolt is not easy to twist, and a good anti-theft effect is achieved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fasteners, in particular to the technical field of bolts.
[ background of the invention ]
The bolt is a common fastener and is widely applied. Bolts are used in the fields of high-speed rails, oil exploitation, wind power and the like, and sometimes part of the bolts are required to have an anti-theft function. The existing anti-theft bolt has an unsatisfactory anti-theft effect, cannot well meet the requirement, and is easily damaged rightly to lose the anti-theft performance.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides an anti-theft bolt with an anti-theft sleeve, which can enable the bolt to have good anti-theft performance.
In order to achieve the above object, the present invention provides an anti-theft bolt with an anti-theft cover, comprising a bolt head, a bolt rod, an auxiliary cover, an anti-theft cover, a clamping groove and a movable rod, wherein the bolt head is hexagonal, the center of the bottom of the bolt head is fixed with the bolt rod, the bolt head is sleeved with the auxiliary cover with an opening at the lower end, the auxiliary cover is fixed with the bolt head, the outer part of the auxiliary cover is cylindrical, the auxiliary cover is sleeved with the anti-theft cover with an opening at the lower end, the bottom of the anti-theft cover is provided with a through hole for sheathing the auxiliary cover, the inner diameter of the through hole is slightly larger than the outer diameter of the auxiliary cover, the outer part of the auxiliary cover is provided with a ring-shaped clamping groove, the inner wall of the through hole is provided with a plurality of side holes corresponding to the clamping groove, the movable rod is arranged in the side hole, the movable rod is connected, the anti-theft cover comprises a first auxiliary hole, a side hole, a movable rod, a clamping groove, an auxiliary cover, a nut, a first auxiliary hole, a second auxiliary hole, an inserting rod, an auxiliary groove and an anti-theft cover, wherein the first auxiliary hole is intersected with the side hole, the movable rod is provided with the second auxiliary hole, the inserting rod penetrates through the second auxiliary hole, the movable rod is integrally positioned in the side hole when not pulled out, the front end of the movable rod extends into the clamping groove and does not contact with the bottom of the clamping groove when pulled out, the movable rod is cylindrical, the outer diameter of the movable rod is smaller than the width of the clamping groove, the bottom of the auxiliary cover is provided with the auxiliary groove, the inner wall of the auxiliary groove is in a hexagonal prism shape, the outer wall of the bolt head is in a fit manner, the bottom of the auxiliary groove is in a fit with the top wall of the bolt head, the depth of the auxiliary groove is slightly smaller than the height, the inner diameters of the first auxiliary hole and the second auxiliary hole are the same, the outer diameter of the inserted rod is slightly smaller than the inner diameter of the first auxiliary hole, the number of the side holes is 2-8, and all the side holes are located on the same circumferential surface.
The invention has the beneficial effects that: according to the anti-theft cover, the movable rod is combined with the clamping groove, so that the anti-theft cover and the auxiliary cover are not easy to separate, and can slip when rotating, so that a bolt is not easy to twist, and a good anti-theft effect is achieved; the screw rod cooperates with the nut to enable the auxiliary cover to be effectively fixed on the bolt head, so that the auxiliary cover is firm in fixation and not easy to loosen.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a front view of an antitheft bolt with an antitheft sleeve according to the present invention.
In the figure: 1-bolt head, 2-auxiliary cover, 3-anti-theft sleeve, 10-bolt rod, 11-screw rod, 12-nut, 20-auxiliary groove, 21-clamping groove, 30-through hole, 31-side hole, 32-spring, 33-movable rod, 34-second auxiliary hole, 35-first auxiliary hole and 36-inserted rod.
[ detailed description ] embodiments
Referring to fig. 1, the anti-theft bolt with an anti-theft cover of the present invention comprises a bolt head 1, a bolt rod 10, an auxiliary cover 2, an anti-theft cover 3, a clamping groove 21, and a movable rod 33, wherein the bolt head 1 is hexagonal, the bolt rod 10 is fixed at the center of the bottom of the bolt head 1, the bolt head 1 is sleeved with the auxiliary cover 2 with an opening at the lower end, the auxiliary cover 2 is fixed with the bolt head 1, the outer part of the auxiliary cover 2 is cylindrical, the auxiliary cover 2 is sleeved with the anti-theft cover 3 with an opening at the lower end, the bottom of the anti-theft cover 3 is provided with a through hole 30 which is sleeved on the auxiliary cover 2, the inner diameter of the through hole 30 is slightly larger than the outer diameter of the auxiliary cover 2, the outer part of the auxiliary cover 2 is provided with a ring-shaped clamping groove 21, the inner wall of the through hole 30 is provided with a plurality of side holes 31 corresponding to the clamping groove 21, the anti-theft cover 3 is provided with a plurality of first auxiliary holes 35 corresponding to the side holes 31 one by one, the first auxiliary holes 35 are intersected with the side holes 31, the movable rod 33 is provided with a second auxiliary hole 34, an inserting rod 36 is inserted into the first auxiliary hole 35, the inserting rod 36 penetrates through the second auxiliary hole 34, the movable rod 33 is integrally positioned in the side holes 31 when the inserting rod 36 is not pulled out, the front end of the movable rod 33 extends into the clamping groove 21 and is not contacted with the bottom of the clamping groove 21 when the inserting rod 36 is pulled out, the movable rod 33 is cylindrical, the outer diameter of the movable rod 33 is smaller than the width of the clamping groove 21, the bottom of the auxiliary cover 2 is provided with an auxiliary groove 20, the auxiliary groove 20 is hexagonal, the inner wall of the auxiliary groove 20 is attached to the outer wall of the bolt head 1, the bottom of the auxiliary groove 20 is attached to the top wall of the bolt head 1, the depth of the auxiliary groove 20 is slightly smaller than the height of the bolt head 1, the top end, the top of bolt head 1 is fixed with the screw rod 11 of a plurality of vertical setting, and screw rod 11 pierces through the roof of supplementary lid 2, has screwed nut 12 on the screw rod 11, first auxiliary hole 35 vertical setting, and the internal diameter of first auxiliary hole 35 and second auxiliary hole 34 is the same, and the external diameter of inserted bar 36 slightly is less than the internal diameter of first auxiliary hole 35, side opening 31 quantity is 2-8, and all side openings 31 are located same periphery.
The working process of the invention is as follows:
in the working process of the anti-theft bolt with the anti-theft sleeve, the movable rod 33 is combined with the clamping groove 21, so that the anti-theft sleeve 3 is not easy to separate from the auxiliary cover 2, and the anti-theft bolt can slip when rotating, so that the bolt is not easy to twist, and a good anti-theft effect is achieved; the screw 11 is matched with the nut 12, so that the auxiliary cover 2 can be effectively fixed on the bolt head 1, and the fixing is firm and is not easy to loosen.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (1)
1. The utility model provides a take theftproof bolt of theftproof cover which characterized in that: comprises a bolt head (1), a bolt rod (10), an auxiliary cover (2), an anti-theft sleeve (3), a clamping groove (21) and a movable rod (33), wherein the bolt head (1) is hexagonal, the center of the bottom of the bolt head (1) is fixedly provided with the bolt rod (10), the bolt head (1) is sleeved with the auxiliary cover (2) with an opening at the lower end, the auxiliary cover (2) and the bolt head (1) are fixed mutually, the outer part of the auxiliary cover (2) is cylindrical, the auxiliary cover (2) is sleeved with the anti-theft sleeve (3) with an opening at the lower end, the bottom of the anti-theft sleeve (3) is provided with a through hole (30) for sleeving the auxiliary cover (2), the inner diameter of the through hole (30) is slightly larger than the outer diameter of the auxiliary cover (2), the outer part of the auxiliary cover (2) is provided with a circle of annular clamping groove (21), the inner wall of the through hole, be equipped with a movable rod (33) in side opening (31), it is continuous through spring (32) of a compression state between the hole bottom of movable rod (33) and side opening (31), be equipped with first auxiliary hole (35) of a plurality of and side opening (31) one-to-one on theftproof cover (3), first auxiliary hole (35) are crossing with side opening (31), be equipped with a second auxiliary hole (34) on movable rod (33), an inserted bar (36) has been inserted on first auxiliary hole (35), and inserted bar (36) pass second auxiliary hole (34), when inserted bar (36) do not extract movable rod (33) wholly are located side opening (31), and when inserted bar (36) extract movable rod (33) front end stretches into in draw-in groove (21) and do not contact with draw-in groove (21) tank bottom, and movable rod (33) are cylindrical, and the external diameter of movable rod (33) is less than the width of draw-in groove (21), an auxiliary groove (20) is arranged at the bottom of the auxiliary cover (2), the auxiliary groove (20) is hexagonal, the inner wall of the auxiliary groove (20) is attached to the outer wall of the bolt head (1), the groove bottom of the auxiliary groove (20) is attached to the top wall of the bolt head (1), the depth of the auxiliary groove (20) is slightly smaller than the height of the bolt head (1), the top end of the anti-theft sleeve (3) is an arc-shaped surface, a plurality of vertically arranged screw rods (11) are fixed at the top of the bolt head (1), the screw rods (11) penetrate through the top wall of the auxiliary cover (2), nuts (12) are screwed on the screw rods (11), the first auxiliary hole (35) is vertically arranged, the inner diameters of the first auxiliary hole (35) and the second auxiliary hole (34) are the same, the outer diameter of the inserted rod (36) is slightly smaller than the inner diameter of the first auxiliary hole (35), the number of the side holes (31) is 2-8, and all the side holes (31) are positioned on the same circumferential surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910783396.4A CN110425214B (en) | 2019-08-23 | 2019-08-23 | Anti-theft bolt with anti-theft sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910783396.4A CN110425214B (en) | 2019-08-23 | 2019-08-23 | Anti-theft bolt with anti-theft sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110425214A CN110425214A (en) | 2019-11-08 |
| CN110425214B true CN110425214B (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910783396.4A Active CN110425214B (en) | 2019-08-23 | 2019-08-23 | Anti-theft bolt with anti-theft sleeve |
Country Status (1)
| Country | Link |
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| CN (1) | CN110425214B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140583B (en) * | 2019-12-30 | 2021-08-10 | 东台市展新不锈钢紧固件制造有限公司 | High-strength stainless steel fastener |
| CN111828457B (en) * | 2020-07-27 | 2021-11-02 | 周福义 | Anti-theft nut |
| CN111927867B (en) * | 2020-08-20 | 2022-03-25 | 海盐汇联通用配件有限公司 | Anti-theft nut with blocking bead |
| CN112555263B (en) * | 2020-12-03 | 2022-09-30 | 浙江超博尔五金股份有限公司 | Anti-loose and anti-theft bolt |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2224144B1 (en) * | 2007-10-12 | 2015-11-25 | Toyota Jidosha Kabushiki Kaisha | Fastening structure |
| CN205806192U (en) * | 2016-06-27 | 2016-12-14 | 嘉兴艾可森紧固件有限公司 | The most easily detachable anti-theft screw of one |
| CN206904036U (en) * | 2017-07-11 | 2018-01-19 | 温州盛源标牌有限公司 | A kind of label anti-theft screw |
| CN108506316A (en) * | 2018-06-09 | 2018-09-07 | 海盐卫士标准件有限公司 | A kind of anti-theft nut that can remotely monitor |
| CN110107587A (en) * | 2019-06-04 | 2019-08-09 | 海盐鼎丰紧固件有限公司 | A kind of combination type theft-proof screw bolt with protection cap |
-
2019
- 2019-08-23 CN CN201910783396.4A patent/CN110425214B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2224144B1 (en) * | 2007-10-12 | 2015-11-25 | Toyota Jidosha Kabushiki Kaisha | Fastening structure |
| CN205806192U (en) * | 2016-06-27 | 2016-12-14 | 嘉兴艾可森紧固件有限公司 | The most easily detachable anti-theft screw of one |
| CN206904036U (en) * | 2017-07-11 | 2018-01-19 | 温州盛源标牌有限公司 | A kind of label anti-theft screw |
| CN108506316A (en) * | 2018-06-09 | 2018-09-07 | 海盐卫士标准件有限公司 | A kind of anti-theft nut that can remotely monitor |
| CN110107587A (en) * | 2019-06-04 | 2019-08-09 | 海盐鼎丰紧固件有限公司 | A kind of combination type theft-proof screw bolt with protection cap |
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| Publication number | Publication date |
|---|---|
| CN110425214A (en) | 2019-11-08 |
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