CN110145528B - Fastener with locking function - Google Patents
Fastener with locking function Download PDFInfo
- Publication number
- CN110145528B CN110145528B CN201910371282.9A CN201910371282A CN110145528B CN 110145528 B CN110145528 B CN 110145528B CN 201910371282 A CN201910371282 A CN 201910371282A CN 110145528 B CN110145528 B CN 110145528B
- Authority
- CN
- China
- Prior art keywords
- fastener
- fixing nail
- fastening ring
- grooves
- hole
- 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.)
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Links
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 230000037431 insertion Effects 0.000 description 8
- 238000003780 insertion Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000003889 chemical engineering Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
Images
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
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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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
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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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
Abstract
The invention belongs to the field of fasteners, in particular to a fastener with an anti-loosening function, which aims at the problems of single structure, general fastening performance and easiness in loosening of the conventional fastener. The fastener can realize multiple fastening and limiting, does not loosen after fastening the components, and has good stability and high safety performance.
Description
Technical Field
The invention relates to the technical field of fasteners, in particular to a fastener with a locking function.
Background
The fastener is a mechanical part for fastening connection, the fastener has wide application industries including energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, dies, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments and other articles, and the fastener is a most widely applied mechanical basic part and has the characteristics of various types and specifications and different performance and purposes. However, the existing fasteners are single in structure, general in fastening performance and easy to loosen, most of the existing fasteners with the anti-loosening function only have one layer of anti-loosening performance, and the fastening effect is poor, so that the fastener with the anti-loosening function is provided.
Disclosure of Invention
The fastener with the anti-loosening function provided by the invention solves the problems of single structure, general fastening performance and easiness in loosening of the conventional fastener.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fastener with anti-loose function comprises a fixing nail, a limiting cylinder with one sealed end and a fastening ring, the outer side wall of the fixing nail is provided with a plurality of grooves arranged along the length direction of the fixing nail, a plurality of latch teeth are arranged in the grooves, one end of the fixing nail is provided with a thread groove, the fastening ring is sleeved at one end of the fixing nail in a sliding manner, a plurality of movable holes corresponding to the positions of the grooves are formed in the fastening ring, positioning pins are movably inserted in the movable holes, one end of each positioning pin is inserted into the groove and clamped with the clamping teeth, a first spring is sleeved on each positioning pin, two ends of each first spring are respectively connected to the positioning pins and the fastening ring, the tighrening ring right side is fixed with the conical member, and the one end of conical member is opened there is the through-hole, be fixed with the threaded rod on the inner wall of a spacing section of thick bamboo, the one end of threaded rod passes through-hole threaded connection thread groove in, and spacing section of thick bamboo cup joints in the outside of locating pin to carry on spacingly to the motion of locating pin.
Preferably, one end of the fixing pin extends through the fastening ring to the inside of the cone.
Preferably, the vertical section of the latch is a right triangle.
Preferably, the conical piece is a conical cylinder, and one end of the conical cylinder is provided with a through hole.
Preferably, the conical part comprises a fixed disc, a through hole is formed in the fixed disc, and three support legs are mounted on the outer side wall of the fixed disc.
Preferably, a connecting ring is installed on the outer side wall of the conical part, external threads are formed on the outer side wall of the connecting ring, internal threads are formed on the inner wall of the limiting cylinder, and the limiting cylinder is in threaded connection with the connecting ring.
Preferably, the conical part is provided with two positioning holes, the limiting cylinder is provided with two guide holes, the guide holes are internally connected with plug-in units in a sliding manner, the two plug-in columns of the plug-in units are inserted into the positioning holes, and a second spring is connected between the plug-in units and the limiting cylinder.
Preferably, the outer side wall of the fixing nail is provided with two grooves arranged along the length direction of the fixing nail, the fastening ring is provided with two movable holes corresponding to the positions of the grooves, and the movable holes are movably inserted with positioning pins.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the fixing nail, the latch, the fastening ring, the first spring and the positioning pin are matched, so that the two components can be primarily fastened;
2. according to the invention, through the arrangement of the limiting cylinder, the screw, the fixing nail and the thread groove, secondary fastening and limiting of two components can be realized, and meanwhile, the limiting cylinder limits the movement of the positioning pin again to realize tertiary fastening and limiting;
3. according to the invention, the fourth limiting of the device can be realized through the arrangement of the spring III, the plug-in and the jack, or the secondary fastening and looseness prevention can be realized through the arrangement of the internal thread and the connecting ring, so that the use effect is good;
the fastener can realize multiple fastening and limiting, does not loosen after fastening the components, and has good stability and high safety performance.
Drawings
Fig. 1 is an expanded view of parts of a fastener with a loosening prevention function according to the present invention.
Fig. 2 is a schematic structural diagram of a fastener with an anti-loose function according to the present invention.
Fig. 3 is a schematic structural diagram of a fastener with an anti-loose function according to a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of a fastener with an anti-loosening function according to the present invention.
Fig. 5 is a schematic structural diagram of a fastener with an anti-loose function according to a first embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a fastener with an anti-loose function according to a second embodiment of the present invention.
In the figure: the fixing device comprises a fixing nail 1, a groove 2, a latch 3, a fastening ring 4, a movable hole 41, a spring I5, a positioning pin 6, a cone 7, a through hole 71, a fixing disc 72, a supporting leg 73, a limiting cylinder 8, a threaded rod 9, a threaded groove 10, a jack 11, an insert 12, a spring III 13, an internal thread 14 and a connecting ring 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
One end of the staple 1 extends through the fastening ring 4 to the interior of the cone 7.
The vertical section of the latch 3 is a right triangle.
The lateral wall of the fixing nail 1 is provided with two grooves 2 arranged along the length direction thereof, the fastening ring 4 is provided with two movable holes 41 corresponding to the positions of the grooves 2, and the movable holes 41 are movably inserted with positioning pins 6.
When in use, one end of the fixing nail 1 penetrates through a mounting hole on the connecting part, firstly, the fastening ring 4 is sleeved at one end of the fixing nail 1 penetrating through the mounting hole of the connecting part, one ends of the two positioning pins 6 are under the tension of the first spring 5, one end of each positioning pin 6 is inserted into the corresponding groove 2 and clamped with the corresponding clamping tooth 3, after the clamping is completed, the limiting cylinder 8 is rotatably connected to the outer part of the conical part 7, one end of the threaded rod 9 is driven to penetrate through the through hole 71 and be in threaded connection with the threaded groove 10, when the limiting cylinder 8 is rotated, the internal thread 14 on the inner wall of the limiting cylinder 8 is in threaded connection with the outer side wall of the connecting ring 14, when one end 1 of the opening of the limiting cylinder 8 is flush with one end of the fastening ring 4, the limiting cylinder 8 is sleeved on the outer part of the positioning pin 6 to limit the movement of the positioning pin 6, so as to prevent the, after the parts are fastened, the loosening phenomenon cannot occur, the stability is good, and the safety performance is high.
Example 2: referring to fig. 6, the difference from embodiment 1 is that the conical member 7 includes a fixing plate 72, a through hole 71 is formed in the fixing plate 72, and three legs 73 are mounted on an outer side wall of the fixing plate 72.
Example 3: referring to fig. 3 and 5, the difference from embodiment 1 is that two positioning holes 11 are formed on the conical member 7, two guide holes are formed on the limiting cylinder 8, an insertion member 12 is slidably connected in the guide holes, two insertion posts of the insertion member 12 are inserted into the positioning holes 11, and a second spring 13 is connected between the insertion member 12 and the limiting cylinder 8.
When the fixing device is installed, one end of a fixing nail 1 penetrates through an installation hole on a connecting part, firstly, a fastening ring 4 is sleeved at one end of the fixing nail 1 penetrating through the installation hole of the connecting part, one ends of two positioning pins 6 are under the tension of a first spring 5, one ends of the positioning pins 6 are inserted into grooves 2 and clamped with clamping teeth 3, after clamping is completed, an insertion piece 12 is pulled, the insertion piece 12 drives a second spring 13 to stretch, a limiting cylinder 8 is rotatably connected to the outer part of a conical piece 7, the insertion piece 12 does not influence rotation during rotation, the limiting cylinder 8 drives one end of a threaded rod 9 to penetrate through a through hole 71 and be in threaded connection with a threaded groove 10, when one end 1 of an opening of the limiting cylinder 8 is flush with one end of the fastening ring 4, the limiting cylinder 8 is sleeved on the outer part of the positioning pin 6 to limit the movement of the positioning pin 6 and prevent the positioning pin from moving outwards from the fastening ring 4, then the insertion piece, the fastener is inserted into the positioning hole 11, and then the installation is finished, the fastener can realize multiple fastening and limiting, the loosening phenomenon can not occur after the components are fastened, the stability is good, and the safety performance is high.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A fastener with a locking function comprises a fixing nail (1), a limiting cylinder (8) with one sealed end and a fastening ring (4), and is characterized in that a plurality of grooves (2) arranged along the length direction of the fixing nail (1) are formed in the outer side wall of the fixing nail (1), a plurality of clamping teeth (3) are arranged in the grooves (2), a thread groove (10) is formed in one end of the fixing nail (1), the fastening ring (4) is sleeved on one end of the fixing nail (1) in a sliding mode, a plurality of movable holes (41) corresponding to the positions of the grooves (2) are formed in the fastening ring (4), a positioning pin (6) is movably inserted in each movable hole (41), one end of the positioning pin (6) is inserted into each groove (2) and clamped with the clamping teeth (3), a first spring (5) is sleeved on each positioning pin (6), two ends of the first spring (5) are connected to the positioning pin (6) and the fastening ring (4) respectively, fastening ring (4) right side is fixed with conical member (7), and open the one end of conical member (7) has through-hole (71), be fixed with threaded rod (9) on the inner wall of a spacing section of thick bamboo (8), through-hole (71) threaded connection is passed in thread groove (10) to the one end of threaded rod (9), and a spacing section of thick bamboo (8) cup joint in the outside of locating pin (6) to carry out spacingly to the motion of locating pin (6).
2. Fastener with anti-loosening function according to claim 1, characterized in that one end of the staple (1) extends through the fastening ring (4) to the inside of the cone (7).
3. A fastener with anti-loosening function according to claim 1, characterized in that the vertical section of the latch (3) is a right triangle.
4. Fastener with anti-loosening function according to claim 1, characterized in that the conical member (7) is a conical cylinder, and one end of the conical cylinder is provided with a through hole (71).
5. The fastener with the anti-loosening function as claimed in claim 1, wherein the conical member (7) comprises a fixed disc (72), a through hole (71) is formed in the fixed disc (72), and three legs (73) are mounted on the outer side wall of the fixed disc (72).
6. The fastener with the anti-loosening function according to any one of claims 4 or 5, wherein a connecting ring (15) is installed on the outer side wall of the conical member (7), an external thread is arranged on the outer side wall of the connecting ring (15), an internal thread (14) is arranged on the inner wall of the limiting cylinder (8), and the limiting cylinder (8) is in threaded connection with the connecting ring (15).
7. The fastener with the anti-loosening function according to claim 4, wherein the conical member (7) is provided with two positioning holes (11), the limiting cylinder (8) is provided with two guide holes, an inserting member (12) is connected in the guide holes in a sliding manner, two inserting columns of the inserting member (12) are inserted into the positioning holes (11), and a second spring (13) is connected between the inserting member (12) and the limiting cylinder (8).
8. The fastener with the anti-loosening function according to claim 1, wherein the outer side wall of the fixing nail (1) is provided with two grooves (2) arranged along the length direction of the fixing nail, the fastening ring (4) is provided with two movable holes (41) corresponding to the positions of the grooves (2), and the positioning pins (6) are movably inserted in the movable holes (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910371282.9A CN110145528B (en) | 2019-05-06 | 2019-05-06 | Fastener with locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910371282.9A CN110145528B (en) | 2019-05-06 | 2019-05-06 | Fastener with locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110145528A CN110145528A (en) | 2019-08-20 |
| CN110145528B true CN110145528B (en) | 2020-10-20 |
Family
ID=67594750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910371282.9A Active CN110145528B (en) | 2019-05-06 | 2019-05-06 | Fastener with locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110145528B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272779A (en) * | 2019-12-23 | 2020-06-12 | 苏州大学 | Transmission electron microscope sample rod capable of preventing fixing screw from falling |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2487330A (en) * | 1943-08-30 | 1949-11-08 | Emmet M Green | Fastening device |
| CN102213256A (en) * | 2010-04-05 | 2011-10-12 | 通用汽车环球科技运作有限责任公司 | Self-supporting bracket nut |
| CN206608429U (en) * | 2017-03-27 | 2017-11-03 | 惠州市昇沪实业有限公司 | A kind of antirust anti-loose fastener |
| CN107366674A (en) * | 2017-07-19 | 2017-11-21 | 太仓永固精密制件有限公司 | A kind of check bolt fastener of easy disassembly |
| CN108506310A (en) * | 2018-06-20 | 2018-09-07 | 海盐东盛紧固件制造有限公司 | A kind of installation bolt firmly installed |
| CN109322892A (en) * | 2018-11-05 | 2019-02-12 | 浙江瑞昭科技有限公司 | A kind of bolt and nut component |
| CN208534949U (en) * | 2018-06-04 | 2019-02-22 | 浙江中通汽车零部件有限公司 | A kind of automobile tire bolt of stable connection |
-
2019
- 2019-05-06 CN CN201910371282.9A patent/CN110145528B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2487330A (en) * | 1943-08-30 | 1949-11-08 | Emmet M Green | Fastening device |
| CN102213256A (en) * | 2010-04-05 | 2011-10-12 | 通用汽车环球科技运作有限责任公司 | Self-supporting bracket nut |
| CN206608429U (en) * | 2017-03-27 | 2017-11-03 | 惠州市昇沪实业有限公司 | A kind of antirust anti-loose fastener |
| CN107366674A (en) * | 2017-07-19 | 2017-11-21 | 太仓永固精密制件有限公司 | A kind of check bolt fastener of easy disassembly |
| CN208534949U (en) * | 2018-06-04 | 2019-02-22 | 浙江中通汽车零部件有限公司 | A kind of automobile tire bolt of stable connection |
| CN108506310A (en) * | 2018-06-20 | 2018-09-07 | 海盐东盛紧固件制造有限公司 | A kind of installation bolt firmly installed |
| CN109322892A (en) * | 2018-11-05 | 2019-02-12 | 浙江瑞昭科技有限公司 | A kind of bolt and nut component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110145528A (en) | 2019-08-20 |
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