CN109458390B - Split type fastening nut - Google Patents
Split type fastening nut Download PDFInfo
- Publication number
- CN109458390B CN109458390B CN201811560163.XA CN201811560163A CN109458390B CN 109458390 B CN109458390 B CN 109458390B CN 201811560163 A CN201811560163 A CN 201811560163A CN 109458390 B CN109458390 B CN 109458390B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- locking
- driving
- fastening
- nut body
- 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.)
- Active
Links
- 239000004677 Nylon Substances 0.000 claims abstract description 31
- 229920001778 nylon Polymers 0.000 claims abstract description 31
- 238000012856 packing Methods 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 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
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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
-
- 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Joints With Pressure Members (AREA)
Abstract
The invention provides a split type fastening nut which comprises a nut body, a driving sleeve, a nylon gasket, a fastening sleeve and locking cards, wherein the driving sleeve is arranged below the nut body, the nylon gasket is arranged in the nut body, the nylon gasket is positioned at the joint of the nut body and the driving sleeve, the driving sleeve is sleeved on the fastening sleeve, the upper end of the fastening sleeve is tightly matched with the nylon gasket, a plurality of locking cards are uniformly distributed on the fastening sleeve, limiting clamping blocks are arranged on the inner wall of each locking card, the driving sleeve drives the end parts of the locking cards to shrink inwards in the radial direction, the driving sleeve can drive the locking cards to shrink in the radial direction, the locking cards are matched with the nut body in a clamping mode through the locking cards, a good locking effect is achieved, the driving sleeve can control the nylon gasket to deform so that the bolts are not easy to loosen.
Description
Technical Field
The invention relates to the technical field of fasteners, in particular to a split type fastening nut.
Background
The flange nut and the common hexagonal nut are basically the same in size as the screw thread, but are integrated with the washer and the nut compared with the hexagonal nut, and the anti-slip insection is arranged below the nut, so that the surface area contact of the nut and a workpiece is increased, the nut is firmer and stronger in tension compared with the combination of the common nut and the washer, when in some equipment with larger vibration amplitude, the flange nut is easy to loose due to the action of huge vibration force, the flange nut frequently falls off from the equipment and even is damaged, workers also need to repeatedly install the flange nut, the labor intensity is increased, great inconvenience is brought to the use, and the split-type fastening nut is provided.
Disclosure of Invention
The split type fastening nut aims to solve the problems in the prior art, and has good locking effect and is difficult to loosen through the clamping fit between the locking clamp pair bolt and the nut body.
In order to achieve the above purpose, the invention provides a split type fastening nut, which comprises a nut body, a driving sleeve, a nylon gasket, a fastening sleeve and a locking clamp, wherein the driving sleeve is arranged below the nut body, the nylon gasket is arranged in the nut body, the nylon gasket is positioned at the joint of the nut body and the driving sleeve, the driving sleeve is sleeved on the fastening sleeve, the upper end of the fastening sleeve is tightly matched with the nylon gasket, a plurality of locking clamps are uniformly distributed on the fastening sleeve, a limiting clamping block is arranged on the inner wall of the locking clamp, and the end part of the driving sleeve driving the locking clamp is radially contracted inwards.
Preferably, the nut body further comprises a mounting groove, the nylon gasket is clamped in the mounting groove, a plurality of limiting grooves are formed in the upper portion of the mounting groove, and limiting clamping strips matched with the limiting grooves are uniformly arranged on the upper portion of the nylon gasket.
Preferably, the lower end face of the nylon gasket is provided with a ring groove, the fastening sleeve is matched with the ring groove, and the inner ring of the ring groove is provided with a conical driving surface.
Preferably, a first guiding conical surface is arranged on the inner wall of the lower end of the driving sleeve, the driving sleeve is cylindrical, and the driving sleeve is overlapped with the axis of the nut body.
Preferably, the fastening sleeve comprises a positioning sleeve and a flange pad, a plurality of cutting grooves are formed in the circumferential direction of the positioning sleeve, outwards bent locking clamps extend in the cutting grooves, the flange pad is arranged at the lower end of the positioning sleeve, anti-slip teeth are arranged on the lower end face of the flange pad and distributed in a circumferential matrix, and an introduction cambered surface is arranged on the inner wall of the upper end of the positioning sleeve.
Preferably, the locking cards are uniformly circumferentially distributed, the number of the locking cards is four, an auxiliary driving block is arranged on the outer wall of each locking card, the auxiliary driving block is hemispherical, and the cross section of each limiting clamping block is triangular.
The invention has the beneficial effects that: according to the invention, the nut body, the driving sleeve, the nylon gasket, the fastening sleeve, the locking clamp and the like are combined together for use, the driving sleeve can drive the locking clamp to radially shrink, the locking clamp is matched with the bolt and the nut body in a clamping manner, a good locking effect is achieved, the driving sleeve can control the nylon gasket to deform so as to clamp the bolt, and looseness is not easy to occur.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic cross-sectional view of a split fastening nut of the present invention;
FIG. 2 is a schematic view of the structure of a nut body of a split fastening nut according to the present invention;
FIG. 3 is a schematic cross-sectional view of a nut body of a split fastening nut of the present invention;
FIG. 4 is a schematic view of the structure of a tightening sleeve of a split tightening nut of the present invention;
fig. 5 is a schematic cross-sectional view of a tightening sleeve of a split tightening nut of the present invention.
Detailed Description
Referring to fig. 1 to 5, the split fastening nut of the present invention is characterized in that: including nut body 1, drive cover 2, nylon packing ring 3, adapter sleeve 4 and locking card 5, the below of nut body 1 is equipped with drive cover 2, install nylon packing ring 3 in the nut body 1, nylon packing ring 3 is located the junction of nut body 1 and drive cover 2, drive cover 2 suit is on adapter sleeve 4, the upper end and the nylon packing ring 3 tight fit of adapter sleeve 4, the equipartition has a plurality of locking card 5 on the adapter sleeve 4, the inner wall of locking card 5 is equipped with spacing fixture block 52, the tip radial inward shrink of drive cover 2 drive locking card 5. The nut body 1 further comprises an installation groove 11, the nylon gasket 3 is clamped in the installation groove 11, a plurality of limit grooves 12 are formed in the upper portion of the installation groove 11, and limit clamping strips 32 matched with the limit grooves 12 are uniformly arranged on the upper portion of the nylon gasket 3. The lower end face of the nylon washer 3 is provided with a ring groove 31, the fastening sleeve 4 is matched with the ring groove 31, and the inner ring of the ring groove 31 is provided with a conical driving surface 311. The inner wall of the lower end of the driving sleeve 2 is provided with a first guiding conical surface 21, the driving sleeve 2 is cylindrical, and the driving sleeve 2 is overlapped with the axis of the nut body 1. The fastening sleeve 4 comprises a positioning sleeve 41 and a flange pad 42, a plurality of cutting slots 411 are formed in the circumferential direction of the positioning sleeve 41, locking clamps 5 bent outwards extend in the cutting slots 411, the flange pad 42 is arranged at the lower end of the positioning sleeve 41, anti-slip teeth are arranged on the lower end face of the flange pad 42 and distributed in a circumferential matrix, and a guide cambered surface 43 is arranged on the inner wall of the upper end of the positioning sleeve 41. The locking cards 5 are uniformly circumferentially distributed, the number of the locking cards 5 is four, an auxiliary driving block 51 is arranged on the outer wall of the locking card 5, the auxiliary driving block 51 is hemispherical, and the cross section of the limiting clamping block 52 is triangular.
The working process of the invention comprises the following steps:
the working principle of the split type fastening nut is as follows: firstly, the fastening sleeve 4 is sleeved on the bolt, then the nut body 1 is mounted on the bolt, the driving sleeve 2 can drive the locking clamp 5 to radially shrink, the locking clamp 5 is matched with the bolt and the nut body in a clamping mode, a good locking effect is achieved, the driving sleeve 2 can control the nylon gasket 3 to deform and shrink inwards, the nylon gasket 3 bites the bolt tightly, looseness is not easy to occur, and the limiting clamping strip 32 is mounted above the nylon gasket 3, so that the anti-rotation effect is achieved.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (4)
1. A split fastening nut, characterized in that: including nut body (1), driving sleeve (2), nylon packing ring (3), fastening sleeve (4) and locking card (5), the below of nut body (1) is equipped with driving sleeve (2), install nylon packing ring (3) in nut body (1), nylon packing ring (3) are located the junction of nut body (1) and driving sleeve (2), driving sleeve (2) suit is on fastening sleeve (4), the upper end and the nylon packing ring (3) tight fit of fastening sleeve (4), the last equipartition of fastening sleeve (4) has a plurality of locking card (5), the inner wall of locking card (5) is equipped with spacing fixture block (52), the tip radial shrink of driving sleeve (2) drive locking card (5), nut body (1) still includes mounting groove (11), nylon packing ring (3) cartridge is in mounting groove (11), a plurality of spacing groove (12) have been seted up to the top of mounting groove (11), the top of nylon packing ring (3) evenly is equipped with and matches spacing groove (12) limit groove (41) with locating sleeve (41), the locking clamp is characterized in that a locking clamp (5) which is bent outwards extends into the cutting groove (411), a flange pad (42) is arranged at the lower end of the positioning sleeve (41), anti-slip teeth are arranged on the lower end face of the flange pad (42), the anti-slip teeth are distributed in a circumferential matrix, and an introduction cambered surface (43) is arranged on the inner wall of the upper end of the positioning sleeve (41).
2. A split fastening nut as defined in claim 1, wherein: the lower end face of the nylon gasket (3) is provided with a ring groove (31), the fastening sleeve (4) is matched with the ring groove (31), and the inner ring of the ring groove (31) is provided with a conical driving surface (311).
3. A split fastening nut as defined in claim 1, wherein: the inner wall of the lower end of the driving sleeve (2) is provided with a first guiding conical surface (21), the driving sleeve (2) is cylindrical, and the driving sleeve (2) is overlapped with the axis of the nut body (1).
4. A split fastening nut as defined in claim 1, wherein: the locking cards (5) are uniformly circumferentially distributed, the number of the locking cards (5) is four, an auxiliary driving block (51) is arranged on the outer wall of the locking card (5), the auxiliary driving block (51) is hemispherical, and the cross section of the limiting clamping block (52) is triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560163.XA CN109458390B (en) | 2018-12-20 | 2018-12-20 | Split type fastening nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560163.XA CN109458390B (en) | 2018-12-20 | 2018-12-20 | Split type fastening nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109458390A CN109458390A (en) | 2019-03-12 |
| CN109458390B true CN109458390B (en) | 2023-09-26 |
Family
ID=65613971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811560163.XA Active CN109458390B (en) | 2018-12-20 | 2018-12-20 | Split type fastening nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109458390B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513385B (en) * | 2019-09-02 | 2021-04-23 | 浙江荣亿精密机械股份有限公司 | Retaining anti-loose combined nut |
| CN112943737B (en) * | 2021-02-04 | 2022-12-02 | 山东锐凯工程机械有限公司 | Structure-optimized lower cylinder body |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012174951A1 (en) * | 2011-06-21 | 2012-12-27 | 北汽福田汽车股份有限公司 | Bolt set |
| CN203146547U (en) * | 2013-04-17 | 2013-08-21 | 江苏浩瀚汽车标准件有限公司 | Self-locked stop nut |
| CN204664107U (en) * | 2015-03-26 | 2015-09-23 | 海盐县华昇汽车配件有限公司 | A kind of nylon locking nut |
| CN204664117U (en) * | 2015-03-26 | 2015-09-23 | 海盐县华昇汽车配件有限公司 | A kind of flanged surface nylon nut |
| CN206368895U (en) * | 2016-12-30 | 2017-08-01 | 温州市强邦实业有限公司 | A kind of nylon self-locking nut |
| JP3213541U (en) * | 2017-08-25 | 2017-11-16 | 大阪フォーミング株式会社 | Nut with nylon washer |
| CN108119491A (en) * | 2016-11-29 | 2018-06-05 | 谢益碧 | A kind of seperated auto-lock stop nut |
| CN207569021U (en) * | 2017-12-05 | 2018-07-03 | 瑞安市东鹏车辆配件厂 | A kind of reinforcement type nylon self-locking clamp nut |
| CN108730312A (en) * | 2018-07-26 | 2018-11-02 | 何长青 | A kind of Anti-loosening nut |
| CN108757704A (en) * | 2018-09-07 | 2018-11-06 | 何长青 | A kind of anti-loosening flange nut |
| CN108825631A (en) * | 2018-09-20 | 2018-11-16 | 海盐县华昇汽车配件有限公司 | A kind of locking nut |
-
2018
- 2018-12-20 CN CN201811560163.XA patent/CN109458390B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012174951A1 (en) * | 2011-06-21 | 2012-12-27 | 北汽福田汽车股份有限公司 | Bolt set |
| CN203146547U (en) * | 2013-04-17 | 2013-08-21 | 江苏浩瀚汽车标准件有限公司 | Self-locked stop nut |
| CN204664107U (en) * | 2015-03-26 | 2015-09-23 | 海盐县华昇汽车配件有限公司 | A kind of nylon locking nut |
| CN204664117U (en) * | 2015-03-26 | 2015-09-23 | 海盐县华昇汽车配件有限公司 | A kind of flanged surface nylon nut |
| CN108119491A (en) * | 2016-11-29 | 2018-06-05 | 谢益碧 | A kind of seperated auto-lock stop nut |
| CN206368895U (en) * | 2016-12-30 | 2017-08-01 | 温州市强邦实业有限公司 | A kind of nylon self-locking nut |
| JP3213541U (en) * | 2017-08-25 | 2017-11-16 | 大阪フォーミング株式会社 | Nut with nylon washer |
| CN207569021U (en) * | 2017-12-05 | 2018-07-03 | 瑞安市东鹏车辆配件厂 | A kind of reinforcement type nylon self-locking clamp nut |
| CN108730312A (en) * | 2018-07-26 | 2018-11-02 | 何长青 | A kind of Anti-loosening nut |
| CN108757704A (en) * | 2018-09-07 | 2018-11-06 | 何长青 | A kind of anti-loosening flange nut |
| CN108825631A (en) * | 2018-09-20 | 2018-11-16 | 海盐县华昇汽车配件有限公司 | A kind of locking nut |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109458390A (en) | 2019-03-12 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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