CN110454480A - A kind of anti-theft type bolt - Google Patents
A kind of anti-theft type bolt Download PDFInfo
- Publication number
- CN110454480A CN110454480A CN201910736855.3A CN201910736855A CN110454480A CN 110454480 A CN110454480 A CN 110454480A CN 201910736855 A CN201910736855 A CN 201910736855A CN 110454480 A CN110454480 A CN 110454480A
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- Prior art keywords
- bolt
- block
- bolt block
- bar
- sliding
- Prior art date
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- 230000006835 compression Effects 0.000 claims abstract description 53
- 238000007906 compression Methods 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000001681 protective effect Effects 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/02—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws divided longitudinally
-
- 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
- F16B37/00—Nuts or like thread-engaging members
- F16B37/14—Cap nuts; Nut caps or bolt caps
-
- 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)
- Clamps And Clips (AREA)
Abstract
The present invention relates to bolt fields, specifically a kind of anti-theft type bolt, including protection mechanism, compression leg, first internal screw thread, limiting slot, second internal screw thread, protective cover, first bolt block, first card slot, second bolt block, first fixture block, third bolt block, second fixture block, 4th bolt block, second card slot, compression bar, sliding block, sliding slot, through-hole, position-limit mechanism, block, bar, reset spring, spacing ball, limit hole, first end of thread, head end and screw rod end, the sliding block of wedge shape of the invention pushes out bar along limit hole, bar is pushed out in splayed, bar drive spacing ball snaps onto the inside of limiting slot, realize the fastening of protective cover and bolt, simultaneously, the inner length of protective cover is equal to the vertical length of the sum of first end of thread and nut end, realize the protection to nut end, realize the protection to bolt, Prevent bolt stolen, it is convenient that adjustment is repaired to steel tower or metal component, and conveniently to the recycling of bolt.
Description
Technical field
The present invention relates to bolt field, specifically a kind of anti-theft type bolt.
Background technique
Bolt is a kind of cylindrical threaded fastener of adapted nut.By head and screw rod one kind dimerous
Fastener, for being fastenedly connected two parts for having through-hole.There are many type of bolt, wherein anti-theft bolt is many outdoor
It is widely used in product.
Fastener used in steel tower or metal frame for building in field etc. is all common plain bolt, is used in time
Anti-theft bolt, on steel tower or metal frame use anti-theft bolt when, because wind-force and vibration just need constantly maintenance, adjustment and
Fastening, however usually due to getting rusty in the anti-theft bolt that will cause of wet environment and the solarization of wind rain, it is difficult to disassembly to steel tower or
Person's metal frame repairs adjustment, and currently used anti-theft bolt easily loosens influences making for steel tower or metal frame
With causing the critical facilities such as steel tower to be easy to be stolen.
Summary of the invention
It is convenient to steel tower or metal structure the present invention provides a kind of anti-theft type bolt for the problems of the prior art
Part repairs adjustment, prevents bolt from stuck phenomenon occur, and conveniently to the recycling of bolt.
The technical solution adopted by the present invention to solve the technical problems is: a kind of anti-theft type bolt, including protection mechanism,
One bolt block, the second bolt block, third bolt block, the 4th bolt block, compression bar and position-limit mechanism, the first bolt block and the 4th
Bolt block structure is identical, and the second bolt block is identical with third bolt block structure, the first bolt block, the second bolt block,
Third bolt block, the 4th bolt block and compression bar combine to be formed bolt entirety, the first bolt block, the 4th bolt block inside on
It is equipped with sliding slot, and limited position mechanism, and the first bolt block, the second bolt block, third spiral shell are installed in the inside of the sliding slot
Bolt block and the 4th bolt block middle inside form through-hole, and the compression bar is mounted on the inside of the through-hole；The first bolt block,
Second bolt block, third bolt block, the 4th bolt block and compression bar form entirety and are threadedly coupled with protection mechanism.
Specifically, the protection mechanism includes compression leg, the first internal screw thread, limiting slot, the second internal screw thread and protective cover, it is described
It is equipped with cylindrical compression leg at the inner tip center of protective cover, and is successively arranged from inside to outside on the inner sidewall of the protective cover
The limiting slot of second internal screw thread, the first internal screw thread and circular ring shape setting.
Specifically, the compression bar includes sliding block, and the sliding block is symmetrical set, and the sliding block is wedge structure, and institute
Sliding block is stated to be slidably connected with the sliding slot.
Specifically, the body diameter of the compression bar is equal to the diameter of the through-hole, and the width of the sliding block is equal to described
The diameter of sliding slot；The length of the compression bar is less than the length of the sliding slot.
Specifically, the position-limit mechanism includes block, bar, reset spring and spacing ball, the first bolt block and
The sliding slot of four bolt blocks is equipped with limit hole, and the internal slide of the limit hole installs limited position mechanism, the side wall of the bar
It is equipped with block, and the end of the bar is equipped with spacing ball；Reset spring is set on the lateral wall of the bar, and described
One end of bar is hemispherical, and the bar of hemispherical one end contradicts the sliding block.
Specifically, the diameter of the spacing ball is equal to the diameter of the limiting slot.
Specifically, the first card slot is symmetrically arranged on the inner sidewall of the first bolt block, the inside of the 4th bolt block
The second card slot is symmetrically arranged on wall, and first card slot is identical as second notch；The two of the second bolt block
Side is symmetrically arranged with the first fixture block, and the two sides of the third bolt block are symmetrically arranged with the second fixture block, and first fixture block with it is described
Second fixture block structure is identical, and two first fixture blocks engage with the first card slot and the second card slot respectively；Two second cards
Block engages with the first card slot and the second card slot respectively, and first fixture block and the second fixture block are elastic piece.
Specifically, the first bolt block, the second bolt block, third bolt block, the 4th bolt block are successively set from top to bottom
There are first end of thread, head end, screw rod end and second end of thread, and the maximum gauge of the head end is less than first end of thread
Maximum gauge, and the maximum gauge of the head end is greater than the maximum gauge of second end of thread.
Beneficial effects of the present invention:
(1) a kind of anti-theft type bolt of the present invention makes the first bolt block, the second spiral shell by the cooperation of fixture block and card slot
It connects even closer between bolt block, third bolt block and the 4th bolt block, prevents bolt from sliding between outer bolt when in use
Silk phenomenon, prevents bolt stuck phenomenon.
(2) a kind of anti-theft type bolt of the present invention, wedge-shaped sliding block push out bar along limit hole, bar
It is pushed out in splayed, limiting slot is located at the outside of limit hole, with the rotation of protective cover, bar is made to drive spacing ball overhanging
To the inside of limiting slot, the tail end of compression bar and the end of compression leg contradict, and the limit hole is obliquely installed, and the limit hole goes out
Mouth is located in nut end, continues to rotate protective cover, the outside of sliding block is made to contradict bar completely, push bar that spacing ball is driven to be caught in
To the inside of limiting slot, the fastening of protective cover and bolt is realized, meanwhile, the inner length of protective cover is equal to first end of thread and spiral shell
The vertical length of the sum of female end realizes the protection to nut end, meanwhile, it realizes the protection to bolt, prevents bolt stolen.
(3) a kind of anti-theft type bolt of the present invention, if occurring stuck phenomenon of getting rusty for a long time using the time outdoors
When, compression bar is extracted, then the second bolt block and third bolt block is mobile to center, the first fixture block and the second fixture block are elasticity
Piece, the second bolt block and third bolt block are detached from the first bolt block and the 4th bolt block when mobile to center, by second
Bolt block is removed with third bolt block, is finally removed the first bolt block with the 4th bolt block, is prevented in disassembly process to spiral shell
The damage of keyhole internal screw thread, meanwhile, as long as replacement protective cover realizes the reuse of bolt.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of a kind of preferred embodiment overall structure diagram of anti-theft type bolt provided by the invention；
Fig. 2 is overall structure diagram shown in FIG. 1；
Fig. 3 is protection mechanism schematic diagram shown in FIG. 1；
Fig. 4 is the 4th bolt block schematic cross-section shown in FIG. 1；
Fig. 5 is the portion A shown in Fig. 4 enlarged diagram；
Fig. 6 is the 4th bolt block right view shown in Fig. 1.
In figure: 1, protection mechanism, 11, compression leg, the 12, first internal screw thread, 13, limiting slot, the 14, second internal screw thread, 15, protection
Lid, the 2, first bolt block, the 21, first card slot, the 3, second bolt block, the 31, first fixture block, 4, third bolt block, the 41, second card
Block, the 5, the 4th bolt block, the 51, second card slot, 6, compression bar, 61, sliding block, 7, sliding slot, 8, through-hole, 9, position-limit mechanism, 91, block,
92, bar, 93, reset spring, 94, spacing ball, 9a, limit hole, a, first end of thread, b, head end, c, screw rod end, d, the second spiral shell
Line end.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in figs 1 to 6, a kind of anti-theft type bolt of the present invention, including protection mechanism 1, the first bolt block 2,
Two bolt blocks 3, third bolt block 4, the 4th bolt block 5, compression bar 6 and position-limit mechanism 9, the first bolt block 2 and the 4th bolt
5 structure of block is identical, and the second bolt block 3 is identical with third bolt 4 structures of block, the first bolt block 2, the second bolt block 3,
Third bolt block 4, the 4th bolt block 5 and the combination of compression bar 6 form bolt entirety, the first bolt block 2, the 4th bolt block 5
Sliding slot 7 is equipped on inside, and limited position mechanism 9, and the first bolt block 2, the second bolt are installed in the inside of the sliding slot 7
Block 3, third bolt block 4 and 5 middle inside of the 4th bolt block form through-hole 8, and the compression bar 6 is mounted on the inside of the through-hole 8；
The first bolt block 2, the second bolt block 3, third bolt block 4, the 4th bolt block 5 and compression bar 6 form entirety and protection mechanism 1
It is threadedly coupled.
Specifically, the protection mechanism 1 includes compression leg 11, the first internal screw thread 12, limiting slot 13, the second internal screw thread 14 and prevents
Protecting cover 15 is equipped with cylindrical compression leg 11, and the inner sidewall of the protective cover 15 at the inner tip center of the protective cover 15
On be successively arranged from inside to outside the second internal screw thread 14, the first internal screw thread 12 and circular ring shape setting limiting slot 13, the first internal screw thread
12 and second internal screw thread 14 setting, pushed by engagement between screw thread, make compression leg 11 that compression bar 6 be driven inwardly to push, thus
The convenient fixation to protective cover 15, the further sealing realized to bolt entirety, so that the sealing effect is better.
Specifically, the compression bar 6 includes sliding block 61, and the sliding block 61 is symmetrical set, and the sliding block 61 is wedge shape knot
Structure, and the sliding block 61 is slidably connected with the sliding slot 7, when in use, cylindrical compression bar 6 realizes pushing away to position-limit mechanism 9
It is dynamic, and the sliding block 61 of wedge structure can slowly be such that the bar 92 of position-limit mechanism 9 releases, and realize the fixation to protective cover 15.
Specifically, the body diameter of the compression bar 6 is equal to the diameter of the through-hole 8, and the width of the sliding block 61 is equal to
The diameter of the sliding slot 7；The length of the compression bar 6 is less than the length of the sliding slot 7, block sliding block 61 can just when in use
Enter in the inside of sliding slot 7, in the later period if there is stuck phenomenon of getting rusty, can extracting compression bar 6, lubricating oil is injected into convenient separately to tear open
Under.
Specifically, the position-limit mechanism 9 includes block 91, bar 92, reset spring 93 and spacing ball 94, first spiral shell
The sliding slot 7 of bolt block 2 and the 4th bolt block 5 is equipped with limit hole 9a, and the internal slide of the limit hole 9a installs limited position mechanism
9, the side wall of the bar 92 is equipped with block 91, and the end of the bar 92 is equipped with spacing ball 94；Outside the bar 92
Reset spring 93 is set on side wall, and one end of the bar 92 is hemispherical, and the bar 92 of hemispherical one end supports
Touch the sliding block 61, when in use, the setting of block 91 facilitates the reset of reset spring 93, spacing ball 94 can quickly with limit
Position slot 13 is engaged, meanwhile, when the later period also being facilitated to replace protective cover 15, removed, further, the shelves of splayed setting
Bar 92 can preferably realize the fastening to protective cover 15.
Specifically, the diameter that the diameter of the spacing ball 94 is equal to the limiting slot 13 enables spacing ball 94 when in use
The enough inside for being preferably entrapped in limiting slot 13.
Specifically, the first card slot 21 is symmetrically arranged on the inner sidewall of the first bolt block 2, the 4th bolt block 5
The second card slot 51 is symmetrically arranged on inner sidewall, and first card slot 21 is identical as 51 structure of the second card slot；Described second
The two sides of bolt block 3 are symmetrically arranged with the first fixture block 31, and the two sides of the third bolt block 4 are symmetrically arranged with the second fixture block 41, and institute
It is identical as 41 structure of the second fixture block to state the first fixture block 31, two first fixture blocks 31 respectively with the first card slot 21 and second
Card slot 51 engages；Two second fixture blocks 41 engage with the first card slot 21 and the second card slot 51 respectively, first fixture block 31
It is that elastic piece when in use can prevent from shifting between bolt block when twisting bolt, together with the second fixture block 41
When, when occur it is stuck or get rusty phenomenon when, preferably bolt block can be removed, it is convenient to prevent the damage of screw thread
It is recycled.
Specifically, the first bolt block 2, the second bolt block 3, third bolt block 4, the 4th bolt block 5 from top to bottom according to
It is secondary to be equipped with the first end of thread a, head end b, screw rod end c and the second end of thread d, and the maximum gauge of the head end b is less than described the
The maximum gauge of one end of thread a, and the maximum gauge of the head end b is greater than the maximum gauge of the second end of thread d.
When in use, firstly, combining the first bolt block 2, the second bolt block 3, third bolt block 4 and the 4th bolt block 5
It is integral, so that the first fixture block 31 of the side of the second bolt block 3 is directed at the first card slot 21 of the first bolt block 2, the second bolt block 3
The other side the first fixture block 31 be aligned the 4th bolt block 5 the second card slot 51, by the second fixture block of the side of third bolt block 4
First card slot 21 of 41 the first bolt blocks 2 of alignment, the second fixture block 41 of the other side of third bolt block 4 are directed at the 4th bolt block 5
The second card slot 51, make bolt on 4 lateral wall of the second bolt block 3 and third bolt block and the first bolt block 2 and the 4th bolt
External screw thread closure on block 5, forms complete screw thread, makes the first bolt block 2, the second bolt block by the cooperation of fixture block and card slot
3, it connects even closer between third bolt block 4 and the 4th bolt block 5, prevents bolt from stripped thread occurs between outer bolt when in use
Phenomenon prevents bolt stuck phenomenon, after connecting, compression bar 6 is put into the inside for the through-hole 8 to be formed, the diameter of compression bar 6 is equal to
The diameter of through-hole 8, and the sliding block 61 on 6 side wall of compression bar is entrapped in the inside of sliding slot 7 just, is equipped with position-limit mechanism 9 inside sliding slot 7
Limit hole 9a, manually compression bar 6 is pushed to move downward along sliding slot 7, at this point, position-limit mechanism 9 do not extend out the first bolt block 2 with
Then first internal screw thread 12 of protection mechanism 1 is threadedly coupled by the side wall of the 4th bolt block 5 with the first end of thread a, rotation is anti-
Shield mechanism 1 makes compression leg 11 push 6 slide downward of compression bar, at this point, position-limit mechanism 9 is not contradicted with sliding block 61, passes through protection mechanism 1
Protective cover 15 realizes the fixation of bolt entirety, bolt is screwed into the bolt hole of steel tower or metal frame, keeps bolt integrally embedding
Enter to inside bolt hole, when the second end of thread d and screw rod end c is extend into inside bolt hole, by spanner rotating nut end b,
Realize the fixation of bolt and bolt hole, the outlet of position-limit mechanism 9 is located at the outside of bolt hole at this time, manually rotates protective cover
15, so that compression bar 6 is internally advanced by the cooperation between the second internal screw thread 14 and the first end of thread a, continues to rotate protective cover 15,
Make to be cooperatively connected between the first internal screw thread 12 and end of thread a, the bar 92 for driving compression leg 11 that compression bar 6 is pushed to squeeze position-limit mechanism 9,
The sliding block 61 of wedge shape pushes out bar 92 along limit hole 9a, and bar 92 is pushed out in splayed, and limiting slot 13 is located at
The outside of limit hole 9a, with the rotation of protective cover 15, the inside for making bar 92 that spacing ball 94 be driven to be extended to limiting slot 13, pressure
The tail end of bar 6 and the end of compression leg 11 contradict, and the limit hole 9a is obliquely installed, and the outlet of the limit hole 9a is located at nut
It holds on b, continues to rotate protective cover 15, the outside of sliding block 61 is made to contradict bar 92 completely, push bar 92 that spacing ball 94 is driven to block
Enter to the inside of limiting slot 13, realizes the fastening of protective cover 15 and bolt, meanwhile, the inner length of protective cover 15 is equal to the first spiral shell
The vertical length of the sum of line end a and nut end b realizes the protection to nut end b, meanwhile, it realizes the protection to bolt, prevents spiral shell
Bolt is stolen, at this point, also there are parts in the outside of the first end of thread a top surface of bolt for the tail end of compression bar 6, further, prevents
Engaging between protecting cover 15 and the first end of thread a is realized to internal sealing；When needing to adjust to brandreth or metal frame
It when whole maintenance, needs to remove anti-theft bolt, part is taken at the center of protective cover 15 by special tool, makes to press
Column 11 falls off, and the diameter taken is greater than the diameter of compression leg 11, is pried open compression bar 6 outward by tool, until the gear of position-limit mechanism 9
The end of bar 92 passes through the head of compression bar 6, at this point, bar 92 restores under the action of reset spring 93, spacing ball 94 and limit
Slot 13 is detached from, then protective cover 15 is removed, then bolt is integrally taken out, if it is stuck to occur getting rusty for a long time using the time outdoors
When phenomenon, compression bar 6 is extracted, then the second bolt block 3 and third bolt block 4 is mobile to center, the first fixture block 31 and the second card
Block 41 is elastic piece, and the second bolt block 3 is detached from the first bolt block 2 and the 4th with third bolt block 4 when mobile to center
Bolt block 5 removes the second bolt block 3 and third bolt block 4, finally removes the first bolt block 2 with the 4th bolt block 5, prevents
The only damage in disassembly process to bolt hole internal screw thread, meanwhile, as long as replacement protective cover 15 realizes the reuse of bolt.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (8)
1. a kind of anti-theft type bolt, it is characterised in that: including protection mechanism (1), the first bolt block (2), the second bolt block (3),
Third bolt block (4), the 4th bolt block (5), compression bar (6) and position-limit mechanism (9), the first bolt block (2) and the 4th bolt
Block (5) structure is identical, and the second bolt block (3) is identical with third bolt block (4) structure, the first bolt block (2), second
Bolt block (3), third bolt block (4), the 4th bolt block (5) and compression bar (6) combination form bolt entirety, the first bolt block
(2), it is equipped with sliding slot (7) on the inside of the 4th bolt block (5), and limited position mechanism (9) are installed in the inside of the sliding slot (7),
And the first bolt block (2), the second bolt block (3), third bolt block (4) and the 4th bolt block (5) middle inside formed it is logical
Hole (8), the compression bar (6) are mounted on the inside of the through-hole (8)；The first bolt block (2), the second bolt block (3), third
Bolt block (4), the 4th bolt block (5) and compression bar (6) form entirety and are threadedly coupled with protection mechanism (1).
2. a kind of anti-theft type bolt according to claim 1, it is characterised in that: the protection mechanism (1) includes compression leg
(11), the first internal screw thread (12), limiting slot (13), the second internal screw thread (14) and protective cover (15), the protective cover (15) it is interior
It is equipped with cylindrical compression leg (11) at portion, center, top, and is successively arranged the on the inner sidewall of the protective cover (15) from inside to outside
The limiting slot (13) of two internal screw threads (14), the first internal screw thread (12) and circular ring shape setting.
3. a kind of anti-theft type bolt according to claim 2, it is characterised in that: the compression bar (6) includes sliding block (61), and
The sliding block (61) is symmetrical set, and the sliding block (61) is wedge structure, and the sliding block (61) and the sliding slot (7) are slided
Connection.
4. a kind of anti-theft type bolt according to claim 3, it is characterised in that: the body diameter of the compression bar (6) is equal to
The diameter of the through-hole (8), and the width of the sliding block (61) is equal to the diameter of the sliding slot (7)；The length of the compression bar (6)
Less than the length of the sliding slot (7).
5. a kind of anti-theft type bolt according to claim 3, it is characterised in that: the position-limit mechanism (9) includes block
(91), bar (92), reset spring (93) and spacing ball (94), the sliding slot of the first bolt block (2) and the 4th bolt block (5)
(7) it is equipped with limit hole (9a), the internal slide of the limit hole (9a) installs limited position mechanism (9), the bar (92)
Side wall is equipped with block (91), and the end of the bar (92) is equipped with spacing ball (94)；On the lateral wall of the bar (92)
It is set with reset spring (93), and one end of the bar (92) is hemispherical, and the bar (92) of hemispherical one end supports
Touch the sliding block (61).
6. a kind of anti-theft type bolt according to claim 5, it is characterised in that: the diameter of the spacing ball (94) is equal to institute
State the diameter of limiting slot (13).
7. a kind of anti-theft type bolt according to claim 1, it is characterised in that: the inner sidewall of the first bolt block (2)
On be symmetrically arranged with the first card slot (21), be symmetrically arranged with the second card slot (51) on the inner sidewall of the 4th bolt block (5), and described
First card slot (21) is identical as the second card slot (51) structure；The two sides of the second bolt block (3) are symmetrically arranged with the first card
The two sides of block (31), the third bolt block (4) are symmetrically arranged with the second fixture block (41), and first fixture block (31) and described the
Two fixture blocks (41) structure is identical, and two first fixture blocks (31) engage with the first card slot (21) and the second card slot (51) respectively；
Two second fixture blocks (41) engage with the first card slot (21) and the second card slot (51) respectively, first fixture block (31) and
Two fixture blocks (41) are elastic piece.
8. a kind of anti-theft type bolt according to claim 1, it is characterised in that: the first bolt block (2), the second bolt
Block (3), third bolt block (4), the 4th bolt block (5) are successively arranged first end of thread (a), head end (b), screw rod end from top to bottom
(c) and second end of thread (d), and the maximum gauge of the head end (b) is less than the maximum gauge of first end of thread (a), and
The maximum gauge of the head end (b) is greater than the maximum gauge of second end of thread (d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736855.3A CN110454480B (en) | 2019-08-10 | 2019-08-10 | Anti-theft bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736855.3A CN110454480B (en) | 2019-08-10 | 2019-08-10 | Anti-theft bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110454480A true CN110454480A (en) | 2019-11-15 |
| CN110454480B CN110454480B (en) | 2020-12-25 |
Family
ID=68485813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910736855.3A Active CN110454480B (en) | 2019-08-10 | 2019-08-10 | Anti-theft bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110454480B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927867A (en) * | 2020-08-20 | 2020-11-13 | 海盐汇联通用配件有限公司 | Anti-theft nut with blocking bead |
| CN112727887A (en) * | 2020-12-29 | 2021-04-30 | 刘涛 | Fastening bolt |
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| CN207921099U (en) * | 2018-02-12 | 2018-09-28 | 温州市一威汽车零部件有限公司 | A kind of anti-theft bolt |
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2019
- 2019-08-10 CN CN201910736855.3A patent/CN110454480B/en active Active
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|---|---|---|---|---|
| CN2667230Y (en) * | 2003-01-15 | 2004-12-29 | 王德勇 | Fastening bolt against unauthorised operation |
| WO2017018172A1 (en) * | 2015-07-26 | 2017-02-02 | 茂樹 長嶺 | Bolt |
| CN207121818U (en) * | 2017-06-02 | 2018-03-20 | 张庆国 | A kind of antitheft tapping pipe of bridge |
| CN207333429U (en) * | 2017-09-21 | 2018-05-08 | 沈阳理工大学 | A kind of locking machine screw |
| CN207921099U (en) * | 2018-02-12 | 2018-09-28 | 温州市一威汽车零部件有限公司 | A kind of anti-theft bolt |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927867A (en) * | 2020-08-20 | 2020-11-13 | 海盐汇联通用配件有限公司 | Anti-theft nut with blocking bead |
| 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 |
| CN112727887A (en) * | 2020-12-29 | 2021-04-30 | 刘涛 | Fastening bolt |
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| Publication number | Publication date |
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| CN110454480B (en) | 2020-12-25 |
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