CN111927868B - Anti-theft bolt capable of being screwed up twice - Google Patents
Anti-theft bolt capable of being screwed up twice Download PDFInfo
- Publication number
- CN111927868B CN111927868B CN202010842758.5A CN202010842758A CN111927868B CN 111927868 B CN111927868 B CN 111927868B CN 202010842758 A CN202010842758 A CN 202010842758A CN 111927868 B CN111927868 B CN 111927868B
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- Prior art keywords
- bolt
- limiting
- theft
- block
- spacing
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- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 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
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- 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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- 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
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses an anti-theft bolt capable of being screwed secondarily, which comprises a bolt main body, an anti-theft block, a rotating rod, a limiting ring, a fixing block, a limiting bolt and an auxiliary hole, wherein the bolt main body consists of a bolt head and a main screw rod, the main screw rod is fixed at the lower end of the bolt head, a cylindrical accommodating groove is formed in the lower end of the anti-theft block, the anti-theft block covers the bolt head, the bolt head extends into the accommodating groove, a rotatable rotating rod is installed on the top wall of the accommodating groove, the bottom of the rotating rod is fixedly provided with the limiting ring, the upper end of the bolt head is provided with the fixing block, the fixing block is provided with the limiting groove, the limiting ring is inserted into the limiting groove, and the fixing block is screwed with the limiting bolt which is transversely arranged. According to the invention, the rotating rod, the fixed block and the limiting bolt are matched, so that the anti-theft block can effectively cover the bolt head, and the anti-theft block can rotate under the condition that the bolt head is not moved, so that the bolt has better anti-theft performance.
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 anti-theft bolts.
[ background of the invention ]
The bolt is a common fastener and is widely applied. In some open-air occasions or important joints, bolts are required to have certain anti-theft performance, and anti-theft bolts are required to be used. The existing anti-theft bolt can not be screwed for the second time after being installed, and certain trouble is brought to the maintenance of facilities or equipment applying the anti-theft bolt.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides an anti-theft bolt capable of being screwed secondarily, which can facilitate secondary screwing and dismounting of the anti-theft bolt under the condition of using a special tool and is convenient to use.
In order to achieve the purpose, the invention provides an anti-theft bolt capable of being screwed secondarily, which comprises a bolt main body, an anti-theft block, a rotating rod, a limiting ring, a fixing block, a limiting bolt and an auxiliary hole, wherein the bolt main body consists of a bolt head and a main screw rod, the main screw rod is fixed at the lower end of the bolt head, a cylindrical accommodating groove is formed in the lower end of the anti-theft block, the anti-theft block covers the bolt head, the bolt head extends into the accommodating groove, a rotatable rotating rod is installed on the top wall of the accommodating groove, the bottom of the rotating rod is fixedly provided with the limiting ring, the upper end of the bolt head is provided with the fixing block, the fixing block is provided with the limiting groove, the limiting ring is inserted into the limiting groove, the fixing block is screwed with the transversely-arranged limiting bolt, the limiting bolt penetrates through a ring hole of the limiting ring, the head of the limiting bolt is provided with a screwing groove for screwing the limiting bolt, the anti-theft block is provided with an auxiliary hole which is transversely arranged, and the auxiliary hole and the limiting bolt are positioned on the same axis.
Preferably, the anti-theft block is in a spherical crown shape.
Preferably, the bolt head is hexagonal, the inner diameter of the accommodating groove is larger than the diameter of a circumscribed circle of the bolt head, and the rotating rod, the accommodating groove and the bolt main body are located on the same vertical axis.
As preferred, the dwang comprises the body of rod, spacing dish, spacing lid, and spacing lid opening is upwards, and spacing lid is fixed on the roof of holding tank, and spacing dish is located spacing lid, and the bottom mounting of spacing dish has a body of rod, and the body of rod pierces through spacing lid, and the spacing ring is fixed at the lower extreme of the body of rod.
Preferably, the position limiting cover is welded on the top wall of the accommodating groove.
As preferred, the fixed block comprises main part piece, supplementary nut, adapter sleeve, and the spacing groove sets up on the main part piece, all is equipped with a side opening coaxial with the spacing ring on the both sides wall of spacing groove, and the side opening pierces through the main part piece, one side of main part piece is fixed with an adapter sleeve, and the end of adapter sleeve is fixed with a supplementary nut, and side opening, adapter sleeve, supplementary nut are located same axis, the screw rod section of spacing bolt comprises screw thread section and polished rod section, and the screw thread section is twisted on supplementary nut, and the polished rod section is located the end of spacing bolt, and the polished rod section passes two side openings.
Preferably, the bottom end of the fixing block is provided with a connecting screw rod, and the connecting screw rod is screwed on the bolt head.
The invention has the beneficial effects that: according to the invention, the rotating rod, the fixed block and the limiting bolt are matched, so that the anti-theft block can effectively cover the bolt head, and the anti-theft block can rotate under the condition that the bolt head is not moved, so that the bolt has better anti-theft performance; the special tool is used for penetrating through the auxiliary hole to unscrew the limiting bolt, so that the anti-theft block can be separated from the bolt head, the anti-theft bolt is convenient to screw for the second time, and the use is convenient.
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 a secondarily tightenable antitheft bolt of the present invention.
In the figure: the anti-theft bolt comprises a bolt head 1, an anti-theft block 2, a rod body 3, a main body block 4, a limiting bolt 5, a main screw rod 10, an accommodating groove 20, an auxiliary hole 25, a limiting disc 30, a limiting cover 31, a limiting ring 35, a connecting screw rod 40, a limiting groove 41, a side hole 42, a connecting sleeve 43, an auxiliary nut 44, a screwing groove 50, a thread section 51 and a polished rod section 52.
[ detailed description ] embodiments
Referring to fig. 1, the anti-theft bolt capable of being screwed up for the second time of the invention comprises a bolt main body, an anti-theft block 2, a rotating rod, a limiting ring 35, a fixing block, a limiting bolt 5 and an auxiliary hole 25, wherein the bolt main body is composed of a bolt head 1 and a main screw rod 10, the main screw rod 10 is fixed at the lower end of the bolt head 1, a cylindrical accommodating groove 20 is arranged at the lower end of the anti-theft block 2, the anti-theft block 2 covers the bolt head 1, the bolt head 1 extends into the accommodating groove 20, a rotatable rotating rod is installed on the top wall of the accommodating groove 20, the limiting ring 35 is fixed at the bottom of the rotating rod, a fixing block is arranged at the upper end of the bolt head 1, a limiting groove 41 is arranged on the fixing block, the limiting ring 35 is inserted into the limiting groove 41, a transverse limiting bolt 5 is screwed on the fixing block, the limiting bolt 5 passes through a ring hole of the limiting ring 35, a screwing groove 50 for screwing the limiting bolt 5 is arranged at the head of the limiting bolt 5, the anti-theft block 2 is provided with a transversely arranged auxiliary hole 25, the auxiliary hole 25 and the limiting bolt 5 are positioned on the same axis, the anti-theft block 2 is in a spherical crown shape, the bolt head 1 is in a hexagonal shape, the inner diameter of the accommodating groove 20 is larger than the outer diameter of the bolt head 1, the rotating rod, the accommodating groove 20 and the bolt main body are positioned on the same vertical axis, the rotating rod is composed of a rod body 3, a limiting disc 30 and a limiting cover 31, the opening of the limiting cover 31 is upward, the limiting cover 31 is fixed on the top wall of the accommodating groove 20, the limiting disc 30 is positioned in the limiting cover 31, the bottom end of the limiting disc 30 is fixed with the rod body 3, the rod body 3 penetrates through the limiting cover 31, the limiting ring 35 is fixed at the lower end of the rod body 3, the limiting cover 31 is welded on the top wall of the accommodating groove 20, the fixing block is composed of a main body block 4, an auxiliary nut 44 and a connecting sleeve 43, the limiting groove 41 is arranged on the main body 4, all be equipped with one on the both sides wall of spacing groove 41 with the coaxial side hole 42 of spacing ring 35, the side hole 42 pierces through main part piece 4, one side of main part piece 4 is fixed with a adapter sleeve 43, and the end of adapter sleeve 43 is fixed with an auxiliary nut 44, and side hole 42, adapter sleeve 43, auxiliary nut 44 are located same axis, the screw rod section of spacing bolt 5 comprises screw thread section 51 and polished rod section 52, and screw thread section 51 is twisted on auxiliary nut 44, and polished rod section 52 is located the end of spacing bolt 5, and polished rod section 52 passes two side holes 42, the fixed block bottom is equipped with a connecting screw 40, and connecting screw 40 twists on bolt head 1.
The working process of the invention is as follows:
in the working process of the anti-theft bolt capable of being screwed up for the second time, the rotating rod, the fixed block and the limiting bolt 5 are matched, so that the anti-theft block 2 can effectively cover the bolt head 1, and the anti-theft block 2 can rotate under the condition that the bolt head 1 is not moved, so that the bolt has better anti-theft performance; the special tool is used for penetrating the auxiliary hole 25 and loosening the limiting bolt 5, so that the anti-theft block 2 can be separated from the bolt head 1, the anti-theft bolt is convenient to screw for the second time, and the use is convenient.
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 (7)
1. The utility model provides a but anti-theft bolt of secondary screw-up which characterized in that: comprises a bolt main body, an anti-theft block (2), a rotating rod, a limiting ring (35), a fixing block, a limiting bolt (5) and an auxiliary hole (25), wherein the bolt main body consists of a bolt head (1) and a main screw rod (10), the main screw rod (10) is fixed at the lower end of the bolt head (1), the lower end of the anti-theft block (2) is provided with a cylindrical accommodating groove (20), the anti-theft block (2) is covered on the bolt head (1), the bolt head (1) extends into the accommodating groove (20), a rotatable rotating rod is installed on the top wall of the accommodating groove (20), the bottom of the rotating rod is fixed with the limiting ring (35), the upper end of the bolt head (1) is provided with the fixing block, the fixing block is provided with the limiting groove (41), the limiting ring (35) is inserted into the limiting groove (41), the fixing block is screwed with the limiting bolt (5) which is transversely arranged, the limiting bolt (5) penetrates through an annular hole of the limiting ring (35), a screwing groove (50) for screwing the limiting bolt (5) is formed in the head of the limiting bolt (5), a transverse auxiliary hole (25) is formed in the anti-theft block (2), and the auxiliary hole (25) and the limiting bolt (5) are located on the same axis.
2. A double-tightenable antitheft bolt as defined in claim 1, wherein: the anti-theft block (2) is in a spherical crown shape.
3. A double-tightenable antitheft bolt as defined in claim 1, wherein: the bolt head (1) is hexagonal, and the internal diameter of holding tank (20) is greater than the circumscribed circle diameter of bolt head (1), and dwang, holding tank (20), bolt main part are located same vertical axis.
4. A double-tightenable antitheft bolt as defined in claim 1, wherein: the dwang comprises the body of rod (3), spacing dish (30), spacing lid (31), and spacing lid (31) opening makes progress, and spacing lid (31) are fixed on the roof of holding tank (20), and spacing dish (30) are located spacing lid (31), and the bottom mounting of spacing dish (30) has a body of rod (3), and the body of rod (3) pierces through spacing lid (31), and the lower extreme at the body of rod (3) is fixed in spacing ring (35).
5. The anti-theft bolt capable of being tightened twice according to claim 4, wherein: the limiting cover (31) is welded on the top wall of the accommodating groove (20).
6. A double-tightenable antitheft bolt as defined in claim 1, wherein: the fixed block comprises main part piece (4), supplementary nut (44), adapter sleeve (43), and spacing groove (41) set up on main part piece (4), all is equipped with one on the both sides wall of spacing groove (41) and penetrates main part piece (4) with side hole (42) coaxial with spacing ring (35), side hole (42), one side of main part piece (4) is fixed with an adapter sleeve (43), and the end of adapter sleeve (43) is fixed with one supplementary nut (44), and side hole (42), adapter sleeve (43), supplementary nut (44) are located same axis, the screw rod section of spacing bolt (5) comprises screw thread section (51) and polished rod section (52), and screw thread section (51) are twisted on supplementary nut (44), and polished rod section (52) are located the end of spacing bolt (5), and polished rod section (52) pass two side holes (42).
7. A double-tightenable antitheft bolt as defined in claim 1, wherein: the bottom end of the fixed block is provided with a connecting screw rod (40), and the connecting screw rod (40) is screwed on the bolt head (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010842758.5A CN111927868B (en) | 2020-08-20 | 2020-08-20 | Anti-theft bolt capable of being screwed up twice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010842758.5A CN111927868B (en) | 2020-08-20 | 2020-08-20 | Anti-theft bolt capable of being screwed up twice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111927868A CN111927868A (en) | 2020-11-13 |
| CN111927868B true CN111927868B (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010842758.5A Active CN111927868B (en) | 2020-08-20 | 2020-08-20 | Anti-theft bolt capable of being screwed up twice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111927868B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202431718U (en) * | 2011-11-24 | 2012-09-12 | 王元佑 | Anti-dismounting bolt structure |
| CN203035716U (en) * | 2012-12-04 | 2013-07-03 | 国家电网公司 | Iron tower anti-theft cap bolt |
| CN208348258U (en) * | 2018-04-09 | 2019-01-08 | 温州市力航汽车部件有限公司 | A kind of automobile anti-theft nut |
| CN210106361U (en) * | 2019-04-25 | 2020-02-21 | 苏州特诺狮金属科技有限公司 | Anti-theft bolt |
| DE202019002537U1 (en) * | 2019-06-13 | 2019-07-17 | Wolfgang Hasenpusch | Glued wooden mortise |
| CN210637346U (en) * | 2019-07-25 | 2020-05-29 | 海盐宏合标准件有限公司 | Multifunctional bolt assembly |
| CN211039326U (en) * | 2019-11-04 | 2020-07-17 | 南京国强紧固件制造有限公司 | Anti-theft fastener for electric power engineering |
-
2020
- 2020-08-20 CN CN202010842758.5A patent/CN111927868B/en active Active
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| Publication number | Publication date |
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| CN111927868A (en) | 2020-11-13 |
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