CN204784074U - Lock -nut - Google Patents
Lock -nut Download PDFInfo
- Publication number
- CN204784074U CN204784074U CN201520345317.9U CN201520345317U CN204784074U CN 204784074 U CN204784074 U CN 204784074U CN 201520345317 U CN201520345317 U CN 201520345317U CN 204784074 U CN204784074 U CN 204784074U
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- CN
- China
- Prior art keywords
- nut
- split
- lock
- nut split
- annular boss
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
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- Forging (AREA)
Abstract
The utility model provides a lock -nut, belongs to engineering component or technical field. Lock -nut includes first nut components of a whole that can function independently and the components of a whole that can function independently of second nut, first nut components of a whole that can function independently and second nut components of a whole that can function independently passing through joint structure are assembled with articulated mode, and first nut components of a whole that can function independently and the components of a whole that can function independently of second nut are equipped with the same internal thread structure. Lock -nut simple structure has, the warehouse of being convenient for is kept and to the characteristics that production site's commodity circulation was carried, has solved nut not hard up problem under the dynamic loading condition effectively, has guaranteed the reliability of bolted connection part work.
Description
Technical field
The utility model relates to a kind of nut, especially a kind of nut carrying latch functions, belongs to engineering element or component technology field.
Background technique
Bolt assembly is equipment manufacturing, builds a bridge and a kind of mechanical connecting element necessary in power construction process, it is coordinated by nut inner thread and external thread of screw, frictional force is between the two utilized to carry out self-locking, but the reliability of this self-locking in dynamic load situation will reduce, therefore some locking measures are taken, to ensure the reliability of screw coupling member work some important occasion people.
Self-locking nut is as the effective locking measure of one, and its function is locking, antivibration mainly.Self-locking nut kind is a lot, have embedding nylon ring, band neck closes up, add metal loosening device, they all belong to effective torque type lock nut, have received good anti-loosing effect.But due to above-mentioned self-locking nut structure and manufacturing process more complicated, acquisition cost is high, particularly, kind number little in demand is many, buying and using process in all there is inconvenience part.In addition, although adopt double nuts structure also can effectively solve nut anti-looseness problem in the ordinary course of things, double nuts structure is generally split type, is not easy to warehouse keeping and the handling and conveying to production scene.
Model utility content
The purpose of this utility model is the drawback for prior art, provide a kind of structure simple, be convenient to warehouse keeping and to the handling and conveying of production scene, the lock-nut that can effectively prevent nut from loosening in dynamic load situation.
The purpose of this utility model is achieved through the following technical solutions:
A kind of lock-nut, comprise the first nut split and the second nut split, described first nut split and the second nut split are assembled in hinged way by interface arrangment, and the first nut split and the second nut split are provided with identical female thread structure.
Above-mentioned lock-nut, described first nut split one end is provided with clamping containing groove, described second nut split is provided with the annular boss mated with clamping containing groove, and the annular boss of described second nut split is penetrated in clamping containing groove by the circular hole on the first nut split clamping containing groove.
Above-mentioned lock-nut, the Circularhole diameter d1 on described first nut split clamping containing groove is less than the external profile diameter d2 of the second nut split annular boss, i.e. d1 < d2; Annular boss outer rim is arranged makes annular boss penetrate the avoiding structure of circular hole on the first nut split clamping containing groove smoothly.
Above-mentioned lock-nut, described avoiding structure adopts the method for annular boss outer rim two layers of material being excised to realize, and its excision face, both sides is parallel to each other, symmetrical.
Lock-nut described in the utility model, by interface arrangment in hinged way by the first nut split and the second nut split assembling, makes it to become integral structure, be more convenient for warehouse keeping and the handling and conveying to production scene, lock-nut described in the utility model, first nut split and the second nut split are provided with identical female thread structure, they can with the screw rod of same bolt with the use of, when the first nut split of integral structure and the second nut split screw in the locked position of bolt, first nut split and there is matching gap between the second nut split internal thread and external thread of screw, spanner is now utilized the first nut split to be fixed, screw the second nut split again, the first nut split ear end face is compressed by the annular boss front-end face of the second nut split, under impacting force effect, first nut split and between the second nut split internal thread and external thread of screw matching gap disappear, first nut split internal thread clamping screw outside thread forward, and the second nut split internal thread clamping screw outside thread backward, make the first nut split, second nut split and bolt screw rod are in lockup state, thus achieve the locking functions of lock-nut, lock-nut described in the utility model, annular boss outer rim is provided with the avoiding structure making annular boss penetrate circular hole on the first nut split clamping containing groove smoothly, and the first nut split and the second nut split are assembled smoothly.In a word, lock-nut described in the utility model has the advantages that structure is simple, be convenient to warehouse keeping and the handling and conveying to production scene, efficiently solves the problem that nut loosens in dynamic load situation, ensure that the reliability of screw coupling member work.
Accompanying drawing explanation
Fig. 1 is lock-nut cross-sectional view described in the utility model;
Fig. 2 is the decomposition texture schematic diagram of Fig. 1;
Fig. 3 is A-A cross-sectional view in Fig. 2;
Fig. 4 is the first nut split and the second nut split assembly process schematic diagram in lock-nut described in the utility model;
Fig. 5 is lock-nut described in the utility model and bolt mated condition schematic diagram;
Fig. 6, Fig. 7 are lock-nut working principle schematic diagram described in the utility model.
In figure, each list of reference numerals is: 1, the first nut split, 1-1, clamping containing groove, 1-2, circular hole, 1-2-1, chute, the 2, second nut split, 2-1, annular boss, 2-2, avoiding structure, 3, bolt, and 3-1, external thread of screw.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually; In addition, the nouns of locality such as the "left", "right", "front", "rear" mentioned in the utility model embodiment are consistent with the direction, left, right, front and rear identified in accompanying drawing 4 and Fig. 7.
Referring to Fig. 1, Fig. 2, lock-nut described in the utility model comprises the first nut split 1 and the second nut split 2, described first nut split 1 and the second nut split 2 are assembled in hinged way by interface arrangment, and the first nut split 1 and the second nut split 2 are provided with identical female thread structure; Clamping containing groove 1-1 is provided with in described first nut split 1 one end, described second nut split 2 is provided with the annular boss 2-1 mated with clamping containing groove 1-1, and the annular boss 2-1 of described second nut split 2 is penetrated in clamping containing groove 1-1 by the circular hole 1-2 on the first nut split 1 clamping containing groove 1-1.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, in lock-nut described in the utility model, on described first nut split 1 clamping containing groove 1-1, the diameter d 1 of circular hole 1-2 is less than the external profile diameter d2 of the second nut split 2 annular boss 2-1, i.e. d1 < d2; Annular boss 2-1 outer rim is arranged makes annular boss penetrate the avoiding structure 2-2 of circular hole 1-2 on the first nut split clamping containing groove smoothly; Described avoiding structure 2-2 adopts the method for annular boss 2-1 outer rim two layers of material being excised to realize, and its excision face, both sides is parallel to each other, symmetrical.
Referring to Fig. 4, Fig. 5, Fig. 6, Fig. 7, first nut split 1 and the second nut split 2 are assembled by interface arrangment by lock-nut described in the utility model in hinged way, make it to become integral structure, be more convenient for warehouse keeping and the handling and conveying to production scene, lock-nut described in the utility model is provided with identical female thread structure in the first nut split 1 and the second nut split 2, they can with the screw rod of same bolt 3 with the use of, when the first nut split 1 of integral structure and the second nut split 2 screw in the locked position of bolt 3, first nut split 1 and there is matching gap between the second nut split 2 internal thread and external thread of screw 3-1, spanner is now utilized the first nut split 1 to be fixed, screw the second nut split 2 again, the first nut split 2 ear end face is compressed by the annular boss 2-1 front-end face of the second nut split 2, under impacting force effect, first nut split 1 and between the second nut split 2 internal thread and external thread of screw 3-1 matching gap disappear, first nut split internal thread clamping screw outside thread 3-1 forward, and the second nut split internal thread clamping screw outside thread 3-1 backward, make the first nut split 1, second nut split 2 is in lockup state with bolt screw rod, thus achieve the locking functions of lock-nut, lock-nut described in the utility model is provided with the avoiding structure 2-2 making annular boss 2-1 penetrate circular hole 1-2 on the first nut split 1 clamping containing groove 1-1 smoothly in the annular boss 2-1 outer rim of the second nut split 2, and the first nut split 1 and the second nut split 2 can be assembled smoothly.
Claims (4)
1. a lock-nut, it is characterized in that, described lock-nut comprises the first nut split (1) and the second nut split (2), described first nut split (1) and the second nut split (2) are assembled in hinged way by interface arrangment, and the first nut split (1) and the second nut split (2) are provided with identical female thread structure.
2. lock-nut according to claim 1, it is characterized in that, described first nut split (1) one end is provided with clamping containing groove (1-1), described second nut split (2) is provided with the annular boss (2-1) mated with clamping containing groove (1-1), and the annular boss (2-1) of described second nut split (2) is penetrated in clamping containing groove (1-1) by the circular hole (1-2) on the first nut split (1) clamping containing groove (1-1).
3. lock-nut according to claim 2, it is characterized in that, the diameter d 1 of the upper circular hole (1-2) of described first nut split (1) clamping containing groove (1-1) is less than the external profile diameter d2 of the second nut split (2) annular boss (2-1), i.e. d1 < d2; Annular boss (2-1) outer rim is arranged makes annular boss penetrate the avoiding structure (2-2) of circular hole (1-2) on the first nut split clamping containing groove smoothly.
4. lock-nut according to claim 3, is characterized in that, described avoiding structure (2-2) adopts the method for annular boss (2-1) outer rim two layers of material being excised to realize, and its excision face, both sides is parallel to each other, symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345317.9U CN204784074U (en) | 2015-05-26 | 2015-05-26 | Lock -nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345317.9U CN204784074U (en) | 2015-05-26 | 2015-05-26 | Lock -nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204784074U true CN204784074U (en) | 2015-11-18 |
Family
ID=54524129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520345317.9U Expired - Fee Related CN204784074U (en) | 2015-05-26 | 2015-05-26 | Lock -nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204784074U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679076A (en) * | 2018-05-29 | 2018-10-19 | 安徽江淮汽车集团股份有限公司 | Locking mechanism assembly |
| CN112943737A (en) * | 2021-02-04 | 2021-06-11 | 山东锐凯工程机械有限公司 | Structure-optimized lower cylinder body |
| WO2022134757A1 (en) * | 2020-12-24 | 2022-06-30 | 江苏博迁新材料股份有限公司 | Support structure for ceramic protective sleeve |
-
2015
- 2015-05-26 CN CN201520345317.9U patent/CN204784074U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679076A (en) * | 2018-05-29 | 2018-10-19 | 安徽江淮汽车集团股份有限公司 | Locking mechanism assembly |
| WO2022134757A1 (en) * | 2020-12-24 | 2022-06-30 | 江苏博迁新材料股份有限公司 | Support structure for ceramic protective sleeve |
| CN112943737A (en) * | 2021-02-04 | 2021-06-11 | 山东锐凯工程机械有限公司 | Structure-optimized lower cylinder body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |