CN204175757U - A kind of sealed self-locking nut connection part of anti-leak - Google Patents
A kind of sealed self-locking nut connection part of anti-leak Download PDFInfo
- Publication number
- CN204175757U CN204175757U CN201420604884.7U CN201420604884U CN204175757U CN 204175757 U CN204175757 U CN 204175757U CN 201420604884 U CN201420604884 U CN 201420604884U CN 204175757 U CN204175757 U CN 204175757U
- Authority
- CN
- China
- Prior art keywords
- locking nut
- self
- seal closure
- connection part
- packing ring
- 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
Abstract
The utility model relates to a kind of sealed self-locking nut connection part of anti-leak, and this connection part comprises: seal closure, seal ring, packing ring, self-locking nut; Described seal closure is barrel shaped structure, is positioned at the most external of whole connection part, which is provided with anti-rotation groove; Described packing ring, self-locking nut are all positioned at seal closure, and self-locking nut is positioned at the top of packing ring, and self-locking nut is provided with anti-transfer part; Described seal ring is positioned at packing ring and seal closure assembles the rear annular groove formed.Higher than seal closure 0.3 ~ 0.5 ㎜ after described seal ring assembling.Magnitude of interference between described seal closure and packing ring controls between 0.1 ~ 0.15.The utility model connection part not only structure is simple, easy to operate, and because on seal closure and self-locking nut, all has anti-rotation to design, so Drop-proof and sealing function improve greatly.
Description
Technical field
The utility model belongs to machining field, relates to a kind of self-locking nut assembly be mechanically connected, and particularly a kind of having in liquid medium the sealed self-locking nut connection part using also energy Leakage prevention.
Background technique
Due to by the restriction in space, at some fuel tank or casing outside that liquid medium is housed, other peripheral unit need be installed.Because fuel tank is generally all mounted near organism bottom motor, work under bad environment, vibrates larger.Conventional Placement is as shown in Figure 1, and the major defect that this pattern exists has following several respects: 1, heavier-weight: can arrange tens even up to a hundred grommet nuts in a general casing, therefore cause complete machine weight to increase.2, poor sealing performance: adopt welding pattern is higher to the quality requirement of welding.When 3, working under vibration, bolt easily loosens, and causes connection unreliable, need increase work lock silk hole steel wire and connect.4, service work difficulty is large, often needs to change casing one integral piece, causes cost to increase.5, grommet nut process-cycle of welding with box body combinations is long, and quality not easily ensures.Therefore, how to solve the shortcoming that above Placement exists, ensure the reliability that its peripheral unit connects, can prevent leaked liquid again, be the problem that engineers and technicians primarily solve simultaneously.
Model utility content
For overcoming above-mentioned defect, the technical problems to be solved in the utility model is to provide a kind of self-locking nut connection part of anti-leak of mechanical connection of novel structure.The shortcoming that this assembly can solve that conventional coupling arrangement weight is large, sealing is poor, easily comes off, quality is unreliable, the process-cycle is long.
A sealed self-locking nut connection part for anti-leak, this connection part comprises: seal closure, seal ring, packing ring, self-locking nut; Described seal closure is barrel shaped structure, is positioned at the most external of whole connection part, which is provided with anti-rotation groove; Described packing ring, self-locking nut are all positioned at seal closure, and self-locking nut is positioned at the top of packing ring, and self-locking nut is provided with anti-transfer part; Described seal ring is positioned at packing ring and seal closure assembles the rear annular groove formed.
Higher than seal closure 0.3 ~ 0.5 ㎜ after described seal ring assembling.
Magnitude of interference between described seal closure and packing ring controls between 0.1 ~ 0.15.
The utility model connection part not only structure is simple, easy to operate, and because on seal closure and self-locking nut, all has anti-rotation to design, so Drop-proof and sealing function improve greatly.
Accompanying drawing explanation
What Fig. 1 was traditional be tightly connected mode schematic diagram;
Fig. 2 is the structural representation that the utility model sealing connecting component carries out connecting;
Fig. 3 is the structural representation of the utility model sealed self-locking nut connection part;
Fig. 4 is the structural representation of seal closure in the utility model;
Fig. 5 is the structural representation of the utility model middle washer;
Fig. 6 is the structural representation of self-locking nut in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, a kind of sealed self-locking nut connection part of anti-leak, this connection part comprises: seal closure 1, seal ring 2, packing ring 3, self-locking nut 4.Seal closure 1, in barrel shaped structure, is positioned at the most external of whole connection part, which is provided with anti-rotation groove 6.Packing ring 3, self-locking nut 4 are all positioned at seal closure 1, and self-locking nut 4 is positioned at the top of packing ring 3, and self-locking nut 4 is provided with anti-transfer part 7.Seal ring 2 is positioned at the annular groove 5 that packing ring 3 and seal closure 1 assemble rear formation, seals.
The utility model connection part adopts 4 part combination and formula, first self-locking nut 4 is loaded in seal closure 1, and by packing ring 3 indentation sealing cover 1, finally seal ring 2 to be loaded in annular groove that packing ring 3 and seal closure 1 assemble rear formation 5, require seal ring 2 higher than seal closure 0.3 ~ 0.5 ㎜ after assembling, to form sealing surface after installing.Assembled by interference fit between packing ring 3 and seal closure 1, magnitude of interference controls between 0.1 to 0.15.Before batch assembling, also need to carry out air leakage test.Test conditions is 2 barometric pressure, requires pressurize 30 minutes No leakage, qualifiedly just to produce afterwards.
In the utility model connection part: seal closure 1 adopts 1Cr18Ni9Ti stainless steel material, is shaped by punching stretch, and flattens in forming process, form anti-rotation groove 6; As shown in Figure 4.Packing ring 3 adopts 2A12 aluminum alloy, is processed into step-like part; As shown in Figure 5.Self-locking nut 4 adopts 16CrSiNi raw material, is shaped through pressure-sizing, and by after trimming, with mould bending, forms anti-transfer part 7, carries out receipts pressure after tapping at head, forms locking position; As shown in Figure 6.
Sealed self-locking nut assembly after assembling, is connected on casing by riveting method, as shown in Figure 2.Coupled together by peripheral unit by bolt, when being screwed into bolt, the anti-transfer part 7 of self-locking nut 4, with under the restriction of seal closure 1 anti-rotation groove 6, makes bolt be screwed in.And self-locking nut head receives the locking position that swaging becomes, create certain locking moment, thus be unlikely to loose or dislocation when bolt is worked under certain vibration environment.Under the active force of bolt, make self-locking nut 4 pairs of packing rings 3 pairs of seal rings 2 produce certain pressure, make seal ring 2 be fitted in tank surface closely, thus form sealing function, the leakage of fluid can be prevented.
The utility model sealed self-locking nut assembly is adopted to have the following advantages:
(1) adopt stamping part and self-locking nut compound mode, decreasing of weight ratio acorn nut, make complete machine heavy phase deserved to reduce.
(2) only need change sealed self-locking nut assembly when safeguarding, greatly reduce maintenance cost.
(3) adopt the self-locking nut device with locking property, there is anti-loose drop, the work under vibration environment can be applicable to.
(4) sealed self-locking nut assembly processing, is connected on casing by the side of riveted joint, significantly improves than welding manner manufacturing efficiency.
Claims (3)
1. a sealed self-locking nut connection part for anti-leak, is characterized in that: this connection part comprises: seal closure (1), seal ring (2), packing ring (3), self-locking nut (4); Described seal closure (1), in barrel shaped structure, is positioned at the most external of whole connection part, which is provided with anti-rotation groove (6); Described packing ring (3), self-locking nut (4) are all positioned at seal closure (1), and self-locking nut (4) is positioned at the top of packing ring (3), and self-locking nut (4) is provided with anti-transfer part (7); Described seal ring (2) is positioned at the annular groove (5) formed after packing ring (3) assembles with seal closure (1).
2. the sealed self-locking nut connection part of anti-leak according to claim 1, is characterized in that: higher than seal closure (1) 0.3 ~ 0.5 ㎜ after described seal ring (2) assembling.
3. the sealed self-locking nut connection part of anti-leak according to claim 1, is characterized in that: the magnitude of interference between described seal closure (1) and packing ring (3) controls between 0.1 ~ 0.15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420604884.7U CN204175757U (en) | 2014-10-20 | 2014-10-20 | A kind of sealed self-locking nut connection part of anti-leak |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420604884.7U CN204175757U (en) | 2014-10-20 | 2014-10-20 | A kind of sealed self-locking nut connection part of anti-leak |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175757U true CN204175757U (en) | 2015-02-25 |
Family
ID=52564568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420604884.7U Active CN204175757U (en) | 2014-10-20 | 2014-10-20 | A kind of sealed self-locking nut connection part of anti-leak |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204175757U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514415A (en) * | 2017-09-08 | 2017-12-26 | 陕西飞机工业（集团）有限公司 | A kind of stainless steel plate nut and bolt and its installation method |
| CN108787367A (en) * | 2018-06-27 | 2018-11-13 | 西安飞机工业（集团）有限责任公司 | A kind of fastener injecting glue encapsulating method |
| CN109578411A (en) * | 2018-12-07 | 2019-04-05 | 西安飞机工业（集团）有限责任公司 | A kind of metal cap monaural seal traveling self-locking nut |
| CN111075821A (en) * | 2019-12-30 | 2020-04-28 | 深圳市易和螺母有限公司 | Seal spring nut assembly |
| CN115163643A (en) * | 2021-04-06 | 2022-10-11 | 东台市华威标准件有限公司 | Anti-falling stainless steel fastener and machining process thereof |
-
2014
- 2014-10-20 CN CN201420604884.7U patent/CN204175757U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514415A (en) * | 2017-09-08 | 2017-12-26 | 陕西飞机工业（集团）有限公司 | A kind of stainless steel plate nut and bolt and its installation method |
| CN108787367A (en) * | 2018-06-27 | 2018-11-13 | 西安飞机工业（集团）有限责任公司 | A kind of fastener injecting glue encapsulating method |
| CN109578411A (en) * | 2018-12-07 | 2019-04-05 | 西安飞机工业（集团）有限责任公司 | A kind of metal cap monaural seal traveling self-locking nut |
| CN111075821A (en) * | 2019-12-30 | 2020-04-28 | 深圳市易和螺母有限公司 | Seal spring nut assembly |
| CN115163643A (en) * | 2021-04-06 | 2022-10-11 | 东台市华威标准件有限公司 | Anti-falling stainless steel fastener and machining process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204175757U (en) | A kind of sealed self-locking nut connection part of anti-leak | |
| CN202091196U (en) | Sealing element for gear pump or motor | |
| CN204344927U (en) | The outside framework oil seal of high leak tightness | |
| CN202901592U (en) | Inserting type pipe connector | |
| CN204784696U (en) | Novel sealing connection device | |
| CN201568103U (en) | Sealing structure for engine oil plate | |
| CN207278870U (en) | A kind of lid is tightly connected structure | |
| CN202560149U (en) | Full metal seal slip type sleeve head | |
| CN201786642U (en) | Hydraulic bonnet for diaphragm pump | |
| CN201896673U (en) | Washer structure of engine | |
| CN204647063U (en) | Shock insulation type clutch power-assisted pump | |
| CN201496557U (en) | Ocv oil seal | |
| CN102374280A (en) | Sealing connection structure of box body and box cover of reduction gearbox | |
| CN218207313U (en) | Sealing structure suitable for oil pressure environment | |
| CN201635987U (en) | Sealing device of oil pump | |
| CN202348372U (en) | Engine oil pan joint | |
| CN219795424U (en) | Sealing and anti-leakage structure for flange of fuel injection pump | |
| CN205089831U (en) | Cylindrical roller bearing | |
| CN203940076U (en) | The compensation valve sealing structure of pad | |
| CN203822876U (en) | Coupling with nipple for maintenance of stirring shaft of reaction kettle | |
| CN109578411A (en) | A kind of metal cap monaural seal traveling self-locking nut | |
| CN208878950U (en) | A kind of device quickly obturaged for rivet gap | |
| CN201415610Y (en) | Sealing structure for the oil drain hole of the oil tank of an automobile | |
| CN203703146U (en) | Light control valve | |
| CN203321609U (en) | Valve oil seal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |