CN112901636A - Split type easy-to-disassemble self-locking fastener - Google Patents
Split type easy-to-disassemble self-locking fastener Download PDFInfo
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- CN112901636A CN112901636A CN202110057075.3A CN202110057075A CN112901636A CN 112901636 A CN112901636 A CN 112901636A CN 202110057075 A CN202110057075 A CN 202110057075A CN 112901636 A CN112901636 A CN 112901636A
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- nut
- assembly
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- assembling
- annular
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- 238000009434 installation Methods 0.000 claims description 21
- 238000001125 extrusion Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- 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
- F16B39/284—Locking by means of elastic deformation
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to the technical field of fastening hardware connecting pieces, in particular to a split type easy-to-split self-locking fastener which comprises a main assembling bolt, wherein a split type assembling inner nut is sleeved on a thread surface on the outer side of the main assembling bolt in a threaded manner. The split type easy-to-disassemble self-locking fastener comprises a main assembling bolt and a split type assembling inner nut sleeved on the outer threaded surface of the main assembling bolt in a threaded manner, the split type assembling inner nut comprises a first assembling nut, a second assembling nut and an inner locking ring arranged on the inner side of the first assembling nut and the second assembling nut, the inner locking ring is arranged in the split type assembling inner nut through a buckling device, and then the elastic locking mechanism on the inner locking ring is respectively inserted into a strip-shaped limiting clamping groove and an inner overturning limiting groove to complete limiting and locking, so that the mounting stability of the whole fastener is greatly improved, the disassembly and replacement are convenient, the later-period use cost is reduced, and the adaptation range is improved.
Description
Technical Field
The invention relates to the technical field of fastening hardware connecting pieces, in particular to a split type easy-to-detach self-locking fastener.
Background
The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and are the most widely applied mechanical basic parts. It features various varieties and specifications, different functions and usages, and very high standardization, serialization and universalization degrees. Thus, one type of fastener that has a national standard is also referred to as a standard fastener, or simply a standard.
The fastener mainly comprises bolt and nut, wherein the bolt: a fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is screwed off from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection; nut: the bolt is matched with the bolt for tightly connecting the two parts to form a whole.
Fastener simple structure on the present market mainly promotes locking performance of taking off through frictional force, installation stability is very limited, consequently, a lot of self-locking firmware that rely on the elastic extrusion force to come spacing locking have appeared, traditional self-locking firmware's elastic extrusion locking mechanism is fixed inside the structure totally mostly, later stage installation separation is very troublesome with the regulation, lead to later stage use cost very high, and also can't dismantle fast and change different structure fasteners of adaptation, the modularization degree is lower, application scope is more single.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problem that exists among the above-mentioned background art, provide a split type easy detachable auto-lock fastener of modified, solve the elasticity extrusion locking mechanism of traditional self-locking fastener and mostly fix inside the structure completely, later stage installation separation is very troublesome with the regulation, leads to later stage use cost very high, also can't dismantle fast moreover and change the different structure fasteners of adaptation, the modularization degree is lower, the more single problem of application scope.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a split type easy split auto-lock fastener, includes main assembly bolt, main assembly bolt outside flank of thread on the screw thread cup joint split type assembly interior nut, main assembly bolt outside flank of thread on seted up the spacing draw-in groove of bar, the inside outside open position that is located of the bar have the outside extrusion thread board of arc through side direction pivot swing joint, split type assembly interior nut include first assembly nut, second assembly nut and install at the inboard inside locking ring of first assembly nut, second assembly nut, first assembly nut and second assembly nut between through buckle device fixed connection, inside locking ring inside set up the side direction upset assembly groove of built-in elasticity locking mechanism.
The assembling end of the first assembling nut and the inner locking ring is provided with an annular first lateral assembling groove, the assembling end of the second assembling nut and the inner locking ring is provided with an annular second lateral assembling groove, and the inner locking ring is respectively inserted into the annular first lateral assembling groove and the annular second lateral assembling groove through two ends and is connected with the first assembling nut and the second assembling nut.
The elastic locking mechanism comprises an inner assembly ring movably sleeved inside the lateral overturning assembly groove, an integrated structure limiting block fixed on the outer arc-shaped surface of the inner assembly ring, an integrated structure overturning limiting plate fixed on the outer arc-shaped surface of the inner assembly ring and an extrusion elastic sheet installed on the inner outer wall of the overturning limiting plate.
The buckle device comprises an L-shaped structure lateral installation slot arranged on the outer side of the first assembling nut connecting surface and an L-shaped structure lateral installation inserted bar fixed on the outer side of the second assembling nut connecting surface, and the second assembling nut is inserted into the lateral installation slot through the lateral installation inserted bar and is fixed with the first assembling nut in a clamping mode.
Annular first lateral assembly groove and annular second lateral assembly groove medial surface on seted up and make things convenient for stopper upset and spacing inside upset spacing groove, annular second lateral assembly groove medial surface on seted up and accomodate the groove with upset limiting plate matched with inside upset.
And a top control groove is formed in the top end of the outer side of the overturning limiting plate.
The annular first lateral assembling groove and the annular second lateral assembling groove are the same in size, and the annular first lateral assembling groove and the annular second lateral assembling groove are located on the opening connecting surface and provided with annular sinking grooves with built-in rubber sealing rings.
The invention has the beneficial effects that:
(1) the split type easy-to-disassemble self-locking fastener comprises a main assembling bolt and a split type assembling inner nut sleeved on the outer threaded surface of the main assembling bolt in a threaded manner, wherein the split type assembling inner nut comprises a first assembling nut, a second assembling nut and an inner locking ring arranged on the inner side of the first assembling nut and the second assembling nut;
(2) the top end of the outer side of the overturning limiting plate is provided with the top control groove, so that people can conveniently control the elastic locking mechanism in the later period, the self-locking fastener is separated and disassembled, later maintenance and circulation are facilitated, and the use cost is reduced;
(3) the elastic locking mechanism consists of an internal assembly ring, a limiting block, an overturning limiting plate and an extruding elastic sheet, the limiting block is controlled to be inserted into the internal overturning limiting groove and the overturning limiting plate is controlled to be inserted into the internal overturning containing groove through the extruding elastic sheet to fix and limit two ends simultaneously, the operation is simple, and the joint control performance is strong;
(4) the annular sinking groove with the built-in rubber sealing ring is formed in the opening connecting surface of the annular first lateral assembling groove and the annular second lateral assembling groove, so that the firmness and the shock absorption of splicing fixation are improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Figure 2 is an internal schematic view of the mounting end of the inner locking ring of the present invention.
Fig. 3 is a cross-sectional view of the mounting end of the resilient locking mechanism of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Fig. 1, a split type easy split auto-lock fastener shown in fig. 2 and fig. 3, including main assembly bolt 1, the split type assembly interior nut has been cup jointed to the screw thread on the 1 outside flank of main assembly bolt, main assembly bolt 1 has seted up bar spacing draw-in groove 2 on the outside flank of screw, bar spacing draw-in groove 2 is inside to be located outside open position has the outside extrusion threading board of arc 3 through side direction pivot swing joint, the split type assembly interior nut includes first assembly nut 4, second assembly nut 5 with install at first assembly nut 4, the inboard inside locking ring 6 of second assembly nut 5, pass through buckle device fixed connection between first assembly nut 4 and the second assembly nut 5, the inside side direction upset assembly groove 7 of seting up built-in elasticity locking mechanism of inside locking ring 6.
Example (b): people when the installation, only need insert 2 insides in the spacing draw-in groove of bar with an assembly pole earlier, then begin to assemble split type assembly interior nut, the effect of assembly pole is inside avoiding elasticity locking mechanism to insert 2 bars spacing draw-in grooves, and the nut can normally rotate the regulation at 1 lateral surface of main assembly bolt in split type assembly like this, then takes out from the assembly pole after the installation from the outside, and elasticity locking mechanism inserts 2 insides in the spacing draw-in groove of bar at this time to reach limiting displacement.
Further, for the cooperation installation, first assembly nut 4 has seted up annular first lateral assembly groove 8 with inside locking ring 6 assembly end, annular second lateral assembly groove 9 has been seted up with inside locking ring 6 assembly end to second assembly nut 5, inside locking ring 6 inserts annular first lateral assembly groove 8 respectively through both ends, inside and first assembly nut 4 of annular second lateral assembly groove 9, second assembly nut 5 is connected, furthermore, for cooperation elasticity upset and spacing, elasticity locking mechanism is including the activity cup joint at the inside assembly ring 10 of side direction upset assembly groove 7, fix integrative structure stopper 11 on the inside assembly ring 10 outside arcwall face, fix integrative structure upset limiting plate 12 on the inside assembly ring 10 outside arcwall face and install the extrusion shell fragment 13 on upset limiting plate 12 inboard outer wall. On extrusion shell fragment 13 both ends inserted huxiang upset assembly tank 7 medial surface and the inboard outer wall of upset limiting plate 12 respectively, only need set up on connecting the face installation slot alright in order to accomplish, the assembly, elasticity locking mechanism can set up split type assembly devices (as right side locking mechanism on fig. 3) simultaneously, and is fixed through the buckle assembly, can conveniently assemble like this and dismantle the change.
Further, for convenience of installation, the buckle device is fixed including offering L type structure side direction installation slot 14 on the face is connected in the 4 outside of first assembly nut and fixing L type structure side direction installation inserted bar 15 on the face is connected in the 5 outside of second assembly nut, second assembly nut 5 inserts side direction installation slot 14 inside through side direction installation inserted bar 15 and is fixed with first assembly nut 4 joint, furthermore, for convenience of spacing and accomodating, set up convenient stopper 11 upset and spacing inside upset spacing groove 16 on annular first side direction assembly groove 8 and the annular second side direction assembly groove 9 medial surface, set up on the annular second side direction assembly groove 9 medial surface and accomodate the groove 17 with upset limiting plate 12 matched with inside upset.
The inner overturning limiting groove 16 on the annular first lateral assembling groove 8 is used for overturning and limiting, and the inner overturning limiting groove 16 on the annular second lateral assembling groove 9 is used for limiting, so that the inner overturning limiting groove on the annular first lateral assembling groove 8 is larger than the inner overturning limiting groove on the annular second lateral assembling groove 9.
Further, for convenient external control, top control recess 18 has been seted up on upset limiting plate 12 outside top, top control recess 18's effect makes things convenient for people to control the upset limiting plate 12 upset from the outside, can conveniently separate like this, only need an L type structure wane alright, only need to retract upset limiting plate 12 inside upset and accomodate the groove 17 inside alright in order, furthermore, for convenient assembly and promotion installation firmness, annular first lateral assembly groove 8 is the same with annular second lateral assembly groove 9 size, annular first lateral assembly groove 8 is located the opening and connects the annular that sets up built-in rubber seal's annular groove 19 that sinks on the face with annular second lateral assembly groove 9.
The split type easy-to-disassemble self-locking fastener comprises a main assembling bolt 1 and a split type assembling inner nut sleeved on the outer threaded surface of the main assembling bolt, wherein the split type assembling inner nut comprises a first assembling nut 4, a second assembling nut 5 and an inner locking ring 6 arranged on the inner side of the first assembling nut 4 and the second assembling nut 5, the inner locking ring 6 is arranged in the split type assembling inner nut through a buckling device, and then the elastic locking mechanism on the inner locking ring 6 is respectively inserted into a strip-shaped limiting clamping groove 2 and an inner overturning limiting groove 16 to complete limiting and locking, so that the mounting stability of the whole fastener is greatly improved, the disassembly and replacement are convenient, the later-period use cost is reduced, and the adaptation range is improved; the top end of the outer side of the overturning limiting plate 12 is provided with the top control groove 18, so that people can conveniently control the elastic locking mechanism in the later stage, the self-locking fastener is separated and detached, later maintenance and circulation are facilitated, and the use cost is reduced; the elastic locking mechanism consists of an internal assembly ring 10, a limiting block 11, an overturning limiting plate 12 and an extrusion elastic sheet 13, the limiting block 11 is controlled to be inserted into an internal overturning limiting groove 16 and the overturning limiting plate 12 is controlled to be inserted into an internal overturning containing groove 17 through the extrusion elastic sheet 13 to fix and limit two ends simultaneously, the operation is simple, and the joint control performance is strong; the annular first lateral assembling groove 8 and the annular second lateral assembling groove 9 are positioned on the opening connecting surface and provided with annular sinking grooves 19 with built-in rubber sealing rings, so that the firmness and the shock absorption of splicing and fixing are improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a split type easy split auto-lock fastener, includes main assembly bolt (1), characterized by: main assembly bolt (1) outside flank on the screw thread cup joint split type assembly interior nut, main assembly bolt (1) outside flank on seted up bar spacing draw-in groove (2), bar spacing draw-in groove (2) inside be located outside opening position and have arc outside extrusion threading board (3) through side direction pivot swing joint, split type assembly interior nut include first assembly nut (4), second assembly nut (5) and install inside locking ring (6) at first assembly nut (4), second assembly nut (5) inboard, first assembly nut (4) and second assembly nut (5) between pass through buckle device fixed connection, inside locking ring (6) inside side direction upset assembly groove (7) of seting up built-in elasticity locking mechanism.
2. The split easy-to-detach self-locking fastener according to claim 1, wherein: the assembling end of the first assembling nut (4) and the inner locking ring (6) is provided with an annular first lateral assembling groove (8), the assembling end of the second assembling nut (5) and the inner locking ring (6) is provided with an annular second lateral assembling groove (9), and the inner locking ring (6) is respectively inserted into the annular first lateral assembling groove (8) and the annular second lateral assembling groove (9) through two ends and is connected with the first assembling nut (4) and the second assembling nut (5).
3. The split easy-to-detach self-locking fastener according to claim 1, wherein: the elastic locking mechanism comprises an inner assembly ring (10) movably sleeved inside the lateral overturning assembly groove (7), an integrated structure limiting block (11) fixed on the outer arc-shaped surface of the inner assembly ring (10), an integrated structure overturning limiting plate (12) fixed on the outer arc-shaped surface of the outer side of the inner assembly ring (10) and an extrusion elastic sheet (13) installed on the inner outer wall of the overturning limiting plate (12).
4. The split easy-to-detach self-locking fastener according to claim 1, wherein: buckle device connect L type structure side direction installation slot (14) on the face including seting up in first assembly nut (4) outside and fix L type structure side direction installation inserted bar (15) on the face is connected in second assembly nut (5) outside, second assembly nut (5) insert side direction installation slot (14) inside and first assembly nut (4) joint through side direction installation inserted bar (15) and fix.
5. The split easy-to-detach self-locking fastener according to claim 3, wherein: annular first lateral assembly groove (8) and annular second lateral assembly groove (9) medial surface on seted up and made things convenient for stopper (11) upset and spacing inside upset spacing groove (16), annular second lateral assembly groove (9) medial surface on seted up and accomodate groove (17) with upset limiting plate (12) matched with inside upset.
6. The split easy-to-detach self-locking fastener according to claim 3, wherein: the top end of the outer side of the overturning limiting plate (12) is provided with a top control groove (18).
7. The split easy-to-detach self-locking fastener according to claim 1, wherein: the annular first lateral assembling groove (8) and the annular second lateral assembling groove (9) are the same in size, and the annular first lateral assembling groove (8) and the annular second lateral assembling groove (9) are located on the opening connecting surface and provided with an annular sinking groove (19) with a built-in rubber sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110057075.3A CN112901636A (en) | 2021-01-15 | 2021-01-15 | Split type easy-to-disassemble self-locking fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110057075.3A CN112901636A (en) | 2021-01-15 | 2021-01-15 | Split type easy-to-disassemble self-locking fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112901636A true CN112901636A (en) | 2021-06-04 |
Family
ID=76113808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110057075.3A Withdrawn CN112901636A (en) | 2021-01-15 | 2021-01-15 | Split type easy-to-disassemble self-locking fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112901636A (en) |
-
2021
- 2021-01-15 CN CN202110057075.3A patent/CN112901636A/en not_active Withdrawn
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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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210604 |