CN109083922B - Anti-disassembly one-way nut - Google Patents
Anti-disassembly one-way nut Download PDFInfo
- Publication number
- CN109083922B CN109083922B CN201811316144.2A CN201811316144A CN109083922B CN 109083922 B CN109083922 B CN 109083922B CN 201811316144 A CN201811316144 A CN 201811316144A CN 109083922 B CN109083922 B CN 109083922B
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- China
- Prior art keywords
- driving
- nut
- way
- nut body
- disassembly
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- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 230000007704 transition Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 27
- 230000002265 prevention Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002337 anti-port Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
- F16B37/00—Nuts or like thread-engaging members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides an anti-disassembly one-way nut which comprises a nut body, a limiting body, a protective sleeve, a spring and a driving assembly, wherein the limiting body is arranged above the nut body, the driving assembly is arranged between the limiting body and the nut body through the spring, a driving groove is formed in the driving assembly, the driving groove is matched with the nut body, two one-way control blocks are arranged above the driving assembly, the protective sleeve is sleeved outside the nut body, a driving part is arranged on the lower end surface of the driving assembly, the driving part is arranged between the nut body and the limiting body, a driving groove is formed in the driving part, an arc-shaped transition surface protruding outwards is arranged on the upper end surface of each one-way control block, a driving surface is arranged at the high end of the arc-shaped transition surface, the driving surface is vertical to the upper end surface of the driving assembly, and the low end of the arc-shaped transition surface is connected with the, the screw driver has a unidirectional screwing control effect and can achieve the aim of preventing disassembly.
Description
Technical Field
The invention relates to the technical field of fasteners, in particular to an anti-disassembly one-way nut.
Background
The locking nut is widely applied to the working occasions where different workpieces are mutually connected, the anti-theft bolt and the anti-theft nut in the prior art are roughly divided into two types, firstly, a regular geometric shape screwing structure is changed into a tapered structure, the disassembly by using a simple tool is avoided, secondly, a ball structure is additionally arranged in the nut, the nut can be screwed in a single direction, and the disassembly by using the simple tool is also avoided. Both of these structures have deficiencies. The screwing structure is changed into a tapered structure, the dismounting can still be carried out by adopting a destructive tool of a pipe wrench, the conical surface is bitten by the jaw structure of the pipe wrench, and the dismounting operation is carried out, so that the dismounting-prevention one-way nut is provided.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an anti-disassembly one-way nut which has a one-way screwing control effect and can achieve the anti-disassembly purpose.
In order to achieve the purpose, the invention provides an anti-disassembly one-way nut which comprises a nut body, a limiting body, a protective sleeve, a spring and a driving assembly, wherein the limiting body is arranged above the nut body, the driving assembly is arranged between the limiting body and the nut body through the spring, a driving groove is formed in the driving assembly and matched with the nut body, two one-way control blocks are arranged above the driving assembly, the protective sleeve is sleeved outside the nut body, a limiting baffle edge is arranged in the lower end surface of the protective sleeve in an inward extending mode, a driving part is arranged on the lower end surface of the driving assembly and arranged between the nut body and the limiting body, a driving groove is formed in the driving part, an arc-shaped transition surface protruding outwards is arranged on the upper end surface of each one-way control block, a driving surface is arranged at the high-position end of the arc-shaped transition surface and is perpendicular to the upper end surface of the driving assembly, and the low-level end of the arc transition surface is connected with the driving assembly.
Preferably, the limiting body comprises an installation boss and a limiting part, the limiting body is in threaded connection and matching with the nut body, the installation boss is arranged below the limiting body, a threaded installation cavity is formed in the upper end face of the nut body, the installation boss is installed in the threaded installation cavity, the limiting part is arranged above the installation boss, the cross section of the limiting part is in a circular truncated cone shape, and the driving assembly is movably installed below the limiting part.
Preferably, the nut body includes rotator, installation department and locking portion, the top of installation department is equipped with the rotator, the driving groove cooperatees with the rotator, the lower terminal surface of installation department is equipped with locking portion, locking portion's cross sectional shape is circular.
Preferably, the rotary body has a square cross-sectional shape, and the driving groove has the same cross-sectional shape as the rotary body.
Preferably, the lower end face of the nut body is provided with anti-slip teeth, and the anti-slip teeth are one-way helical teeth.
The invention has the beneficial effects that: according to the invention, the nut body, the limiting body, the protective sleeve, the spring, the driving assembly and the like are combined together for use, and the nut is locked by controlling unidirectional rotation only through the matching of a specific wrench and the driving surface of the unidirectional control block.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a schematic cross-sectional view of an anti-removal one-way nut of the present invention;
FIG. 2 is a schematic sectional view showing a partial structure of a removal prevention check nut of the present invention;
FIG. 3 is a schematic view showing a partial structure of a disassembly prevention one-way nut of the present invention;
FIG. 4 is a schematic cross-sectional view of a drive assembly of an anti-removal one-way nut of the present invention;
FIG. 5 is a schematic cross-sectional view of a protective sleeve for an anti-removal one-way nut of the present invention;
FIG. 6 is a top schematic view of a drive assembly of the anti-removal one-way nut of the present invention;
FIG. 7 is a schematic view of a disassembly-preventing one-way nut of the present invention engaged with a special wrench;
FIG. 8 is a schematic structural diagram of a one-way control block of an anti-disassembly one-way nut of the invention.
Detailed Description
Referring to fig. 1 to 8, the disassembly-preventing one-way nut of the invention comprises a nut body 1, a limiting body 2, a protective sleeve 3, a spring 4 and a driving component 5, wherein the limiting body 2 is installed above the nut body 1, the driving component 5 is installed between the limiting body 2 and the nut body 1 through the spring 4, a driving groove 52 is formed in the driving component 5, the driving groove 52 is matched with the nut body 1, two one-way control blocks 53 are arranged above the driving component 5, the protective sleeve 3 is sleeved outside the nut body 1, a limiting baffle 31 extends inwards from the lower end surface of the protective sleeve 3, a driving part 51 is arranged on the lower end surface of the driving component 5, the driving part 51 is installed between the nut body 1 and the limiting body 2, the driving groove 52 is formed in the driving part 51, an arc-shaped transition surface 532 which protrudes outwards is arranged on the upper end surface of the one-way control block 53, the high-position end of the arc transition surface 532 is provided with a driving surface 531, the driving surface 531 is perpendicular to the upper end surface of the driving assembly 5, and the low-position end of the arc transition surface 532 is connected with the driving assembly 5. Spacing body 2 includes installation boss 21 and spacing portion 22, threaded connection cooperates between spacing body 2 and the nut body 1, the below of spacing body 2 is equipped with installation boss 21, the up end of nut body 1 is equipped with screw thread installation cavity 111, installation boss 21 is installed in screw thread installation cavity 111, the top of installation boss 21 is equipped with spacing portion 22, spacing portion 22's cross sectional shape is round platform shape, 5 movable mounting of drive assembly is in spacing portion 22's below. The nut body 1 comprises a rotating body 11, an installation part 12 and a locking part 13, the rotating body 11 is arranged above the installation part 12, the driving groove 52 is matched with the rotating body 11, the locking part 13 is arranged on the lower end face of the installation part 12, and the cross section of the locking part 13 is circular. The cross-sectional shape of the rotating body 11 is square, and the driving groove 52 has the same cross-sectional shape as the rotating body 11. The lower end face of the nut body 1 is provided with anti-skidding teeth 14, and the anti-skidding teeth 14 are one-way helical teeth.
The working process of the invention is as follows:
the working principle of the anti-disassembly one-way nut is as follows: only with the cooperation of the driving face through specific spanner and one-way control piece, control one-way rotation and lock the nut, because the existence of arc transition face and spring, when the antiport drive assembly, drive assembly will move down unable antiport drive assembly to can't carry out the unblock, realize the purpose of anti-disassembly.
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 (5)
1. The utility model provides an anti-disassembly one-way nut which characterized in that: comprises a nut body (1), a limiting body (2), a protective sleeve (3), a spring (4) and a driving component (5), wherein the limiting body (2) is installed above the nut body (1), the driving component (5) is installed between the limiting body (2) and the nut body (1) through the spring (4), a driving groove (52) is formed in the driving component (5), the driving groove (52) is matched with the nut body (1), two one-way control blocks (53) are arranged above the driving component (5), the protective sleeve (3) is sleeved outside the nut body (1), a limiting baffle edge (31) extends inwards from the lower end surface of the protective sleeve (3), a driving part (51) is arranged on the lower end surface of the driving component (5), and the driving part (51) is installed between the nut body (1) and the limiting body (2), the driving mechanism is characterized in that a driving groove (52) is formed in the driving part (51), a convex arc-shaped transition surface (532) is arranged on the upper end surface of the one-way control block (53), a driving surface (531) is arranged at the high end of the arc-shaped transition surface (532), the driving surface (531) is perpendicular to the upper end surface of the driving assembly (5), and the low end of the arc-shaped transition surface (532) is connected with the driving assembly (5).
2. The disassembly-prevention one-way nut as claimed in claim 1, wherein: spacing body (2) are including installation base (21) and spacing portion (22), threaded connection cooperation between spacing body (2) and nut body (1), the below of spacing body (2) is equipped with installation base (21), the up end of nut body (1) is equipped with screw thread installation cavity (111), installation base (21) are installed in screw thread installation cavity (111), the top of installation base (21) is equipped with spacing portion (22), the cross sectional shape of spacing portion (22) is round platform shape, drive assembly (5) movable mounting is in the below of spacing portion (22).
3. The disassembly-prevention one-way nut as claimed in claim 1, wherein: nut body (1) includes rotator (11), installation department (12) and locking portion (13), the top of installation department (12) is equipped with rotator (11), driving groove (52) cooperate with rotator (11), the lower terminal surface of installation department (12) is equipped with locking portion (13), the cross sectional shape of locking portion (13) is circular.
4. A disassembly prevention one-way nut as claimed in claim 3, wherein: the cross section of the rotating body (11) is square, and the cross section of the driving groove (52) is the same as that of the rotating body (11).
5. The disassembly-prevention one-way nut as claimed in claim 1, wherein: the anti-skidding nut is characterized in that anti-skidding teeth (14) are arranged on the lower end face of the nut body (1), and the anti-skidding teeth (14) are one-way helical teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316144.2A CN109083922B (en) | 2018-11-07 | 2018-11-07 | Anti-disassembly one-way nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316144.2A CN109083922B (en) | 2018-11-07 | 2018-11-07 | Anti-disassembly one-way nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109083922A CN109083922A (en) | 2018-12-25 |
| CN109083922B true CN109083922B (en) | 2020-08-18 |
Family
ID=64844809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811316144.2A Active CN109083922B (en) | 2018-11-07 | 2018-11-07 | Anti-disassembly one-way nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109083922B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285130B (en) * | 2019-07-08 | 2020-12-15 | 台州道业科技有限公司 | Quick anti-loosening fastening device and assembling and using method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201162757Y (en) * | 2007-08-14 | 2008-12-10 | 贵州航天精工制造有限公司 | Swinging type locking device |
| WO2010031590A1 (en) * | 2008-09-22 | 2010-03-25 | Ejot Gmbh & Co. Kg | Screw which can be screwed into a component |
| CN104074855A (en) * | 2014-07-01 | 2014-10-01 | 宁波浩泰电力工程设备有限公司 | Automobile anti-theft bolt |
| CN206111806U (en) * | 2016-09-19 | 2017-04-19 | 浙江亦宸五金有限公司 | Improvement type theftproof bolt |
| CN106958578A (en) * | 2017-05-25 | 2017-07-18 | 海盐宇星螺帽有限责任公司 | A kind of anti-theft type nut |
-
2018
- 2018-11-07 CN CN201811316144.2A patent/CN109083922B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201162757Y (en) * | 2007-08-14 | 2008-12-10 | 贵州航天精工制造有限公司 | Swinging type locking device |
| WO2010031590A1 (en) * | 2008-09-22 | 2010-03-25 | Ejot Gmbh & Co. Kg | Screw which can be screwed into a component |
| CN104074855A (en) * | 2014-07-01 | 2014-10-01 | 宁波浩泰电力工程设备有限公司 | Automobile anti-theft bolt |
| CN206111806U (en) * | 2016-09-19 | 2017-04-19 | 浙江亦宸五金有限公司 | Improvement type theftproof bolt |
| CN106958578A (en) * | 2017-05-25 | 2017-07-18 | 海盐宇星螺帽有限责任公司 | A kind of anti-theft type nut |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109083922A (en) | 2018-12-25 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 314300 Shen Jiaduo 33, Xuyou Checun, Qinshan Street, Haiyan County, Jiaxing City, Zhejiang Province Applicant after: Jiaxing Haijin Hardware Technology Co., Ltd. Address before: 314300 Shen Jiaduo 33, Xuyou Checun, Qinshan Street, Haiyan County, Jiaxing City, Zhejiang Province Applicant before: Jiaxing Haijin Hardware Technology Co., Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |