CN209557462U - A kind of backstop lock nut, vehicle, generating equipment and track - Google Patents
A kind of backstop lock nut, vehicle, generating equipment and track Download PDFInfo
- Publication number
- CN209557462U CN209557462U CN201920247765.3U CN201920247765U CN209557462U CN 209557462 U CN209557462 U CN 209557462U CN 201920247765 U CN201920247765 U CN 201920247765U CN 209557462 U CN209557462 U CN 209557462U
- Authority
- CN
- China
- Prior art keywords
- nut
- cylinder
- jacking
- locking teeth
- backstop lock
- 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 proposes a kind of backstop lock nut, vehicle, generating equipment and track, backstop lock nut includes: bottom nut, and axially extending bore is equipped in the nut of bottom and bottom nut is equipped with multiple first locking teeths；Jacking nut, jacking nut is sheathed on outside the nut of bottom and connect with bottom nut thread, jacking nut is equipped with multiple second locking teeths, wherein, jacking nut can be rotated along preset direction, so that workpiece in bottom nut and axially extending bore against, and the first locking teeth and the second locking teeth preset direction negative side upwards against.Backstop lock nut provided by the utility model, jacking nut can be rotated along preset direction so that the workpiece in bottom nut and axially extending bore against；Simultaneously, first locking teeth and the second locking teeth preset direction negative side upwards against bottom nut is opposite with jacking nut at this time locks, and can prevent because bottom nut is produced relative sliding with jacking nut caused by vibrating etc., and then bottom nut and workpiece is made to stably keep abutment condition, realize the locking of bottom nut.
Description
Technical field
The utility model technical field of fastening, in particular to a kind of backstop lock nut, a kind of vehicle, one kind
Generating equipment and a kind of track.
Background technique
Bolt connection anti-loose is the very important link of mechanical engineering field.The anti-loose method of existing state's inner bolt has more
Kind, the common method for increasing frictional force is just like setting spring washer, double nut, lock washer, binding nut, nylon inserts
The methods of gluing etc. is learned, but reliability is unstable under heavy load, high vibration, severe environmental conditions, and single nylon is locking
Nut because it has broken ring to act on nylon in rotation rundown process, thus will lead to nylon it is insufficient to bolt thread frictional force and
Influence anti-loosing effect.
Utility model content
The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.
In view of this, the purpose of this utility model is to provide a kind of backstop lock nuts.
Another of the utility model is designed to provide a kind of vehicle.
Another of the utility model is designed to provide a kind of generating equipment.
Another of the utility model is designed to provide a kind of track.
To achieve the goals above, the technical solution of the utility model first aspect provides a kind of backstop lock nut,
Include: bottom nut, axially extending bore is equipped in the nut of bottom and bottom nut is equipped with multiple first locking teeths；Jacking nut, jacking nut set
It is connect outside the nut of bottom and with bottom nut thread, jacking nut is equipped with multiple second locking teeths, wherein jacking nut can be along default
Direction rotates, so that the workpiece in bottom nut and axially extending bore is against and the first locking teeth and the second locking teeth are in preset direction
Negative side upwards against.
In the present solution, jacking nut can be rotated along preset direction so that workpiece in bottom nut and axially extending bore against, thus
Keep bottom nut and workpiece relatively fixed, the possibility that bottom nut and workpiece produce relative sliding caused by capable of reducing because of vibration etc..Together
When, the first locking teeth and the second locking teeth preset direction negative side upwards against, bottom nut is opposite with jacking nut at this time locks,
The possibility that bottom nut and jacking nut produce relative sliding caused by capable of reducing because of vibration etc., and then make bottom nut and workpiece steadily
It is held against state, realizes the locking of bottom nut.Backstop lock nut is simple and reliable for structure in this programme, while cost is relatively low,
Destruction will not be generated to workpiece, can be recycled, be convenient for large-scale application.
In the above-mentioned technical solutions, it is preferable that bottom nut includes: end, and the first locking teeth is set on end；Cylinder, with
End is fixedly connected and cylinder is equipped at least one blind slot, and jacking nut is connect with cylinder screw, wherein jacking nut is along default side
To when rotation, the inner wall of jacking nut squeezes the side wall of cylinder so that the workpiece in the side wall and axially extending bore of cylinder against.
In any of the above-described technical solution, it is preferable that blind slot is that multiple and multiple blind slots are uniformly distributed along the circumferential direction of cylinder.
In any of the above-described technical solution, it is preferable that blind slot is 4.
In any of the above-described technical solution, it is preferable that jacking nut includes: thread segment, and thread segment is equipped with internal screw thread, outside cylinder
Wall is equipped with external screw thread, is engaged by internal screw thread with externally threaded, realizes the threaded connection of jacking nut and cylinder；Limit section, top
When nut is rotated along preset direction, limit section squeezes cylinder so that the workpiece in cylinder and axially extending bore against.
In any of the above-described technical solution, it is preferable that the inner wall between limit section and thread segment is equipped with escape.
In any of the above-described technical solution, it is preferable that outside wall surface of the cylinder far from end side is tapered surface, limits section
Inner wall is adapted to cylinder far from the outside wall surface of end side.
In any of the above-described technical solution, it is preferable that the first locking teeth is set on the side adjacent with cylinder of end, and second
Locking teeth is set on the side wall of jacking nut, wherein the first locking teeth is uniformly distributed along the circumferential direction of bottom nut；And/or second locking
Tooth is uniformly distributed along the circumferential direction of bottom nut.
In any of the above-described technical solution, it is preferable that the lateral wall of end is hexagon.
In any of the above-described technical solution, it is preferable that the lateral wall of jacking nut is hexagon.
In any of the above-described technical solution, it is preferable that the first locking teeth include the first guide surface and with the first guide surface
The first adjacent abutment face, the second locking teeth include the second guide surface and second abutment face adjacent with the second guide surface,
In, when jacking nut is rotated along preset direction, the first guide surface sliding opposite with the second guide surface, until the first abutment face and second
Abutment face it is opposite against so that the first locking teeth and the second locking teeth preset direction negative side upwards against.
The technical solution of the utility model second aspect provides in a kind of vehicle, including any technical solution of first aspect
Backstop lock nut.
The technical solution of the utility model third aspect provides a kind of generating equipment, including any technical side of first aspect
Backstop lock nut in case.
The technical solution of the utility model fourth aspect provides in a kind of track, including any technical solution of first aspect
Backstop lock nut.
The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this
The practice of type is recognized.
Detailed description of the invention
Fig. 1 is the installation diagram of the backstop lock nut of one embodiment according to the present utility model；
Fig. 2 is the structural schematic diagram of the jacking nut of the backstop lock nut of one embodiment according to the present utility model；
Fig. 3 is the cross-sectional view of the jacking nut of the backstop lock nut of one embodiment according to the present utility model；
Fig. 4 is the structural schematic diagram of the bottom nut of the backstop lock nut of one embodiment according to the present utility model；
Fig. 5 is the cross-sectional view of the bottom nut of the backstop lock nut of one embodiment according to the present utility model.
Wherein, the corresponding relationship between appended drawing reference and component names of the Fig. 1 into Fig. 5 are as follows:
10 bottom nuts, 11 axially extending bores, 12 first locking teeths, 13 ends, 14 cylinders, 141 external screw threads, 142 blind slots, 20 tops
Nut, 21 thread segments, 22 limit sections, 23 escapes, 24 second locking teeths.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously
It is not limited by the specific embodiments disclosed below.
Some embodiments according to the present utility model are described referring to Fig. 1 to Fig. 5.
As shown in Figures 1 to 5, the first aspect embodiment of the utility model provides a kind of backstop lock nut, comprising:
Bottom nut 10, axially extending bore 11 is equipped in bottom nut 10 and bottom nut 10 is equipped with multiple first locking teeths 12；Jacking nut 20, top
Nut 20 is sheathed on outside bottom nut 10 and is threadedly coupled with bottom nut 10, and jacking nut 20 is equipped with multiple second locking teeths 24,
In, jacking nut 20 can be rotated along preset direction, so that the workpiece in bottom nut 10 and axially extending bore 11 is against and the first locking teeth
12 and second locking teeth 24 preset direction negative side upwards against.
In the present solution, jacking nut 20 can be rotated along preset direction, so that bottom nut 10 is supported with the workpiece in axially extending bore 11
It leans on, to keep bottom nut 10 and workpiece relatively fixed, bottom nut 10 and workpiece generate relatively sliding caused by capable of reducing because of vibration etc.
Dynamic possibility.Meanwhile first locking teeth 12 and the second locking teeth 24 preset direction negative side upwards against bottom nut 10 at this time
It is opposite with jacking nut 20 to lock, the possibility that bottom nut 10 and jacking nut 20 produce relative sliding caused by capable of reducing because of vibration etc.,
And then bottom nut 10 and workpiece is made to stably keep abutment condition, realize the locking of bottom nut 10.The locking spiral shell of retaining in this programme
Parent structure is simple and reliable, while cost is relatively low, will not generate destruction to workpiece, can be recycled, be convenient for large-scale application.
Wherein, above-mentioned axially extending bore 11 is threaded hole.
In the above embodiment, it is preferable that bottom nut 10 includes: end 13, the first locking teeth 12 is set on end 13；Cylinder
Body 14, be fixedly connected with end 13 (such as cylinder 14 and end 13 are integrally formed, and are processed by machine-tooled methods such as vehicle, millings
End 13 and cylinder 14) and cylinder 14 be equipped at least one blind slot 142, jacking nut 20 is threadedly coupled with cylinder 14, wherein
When jacking nut 20 is rotated along preset direction, the inner wall of jacking nut 20 squeezes the side wall of cylinder 14, so that the side wall and axis of cylinder 14
Workpiece into through-hole 11 against.
In the present solution, the inner wall of jacking nut 20 squeezes the side wall of cylinder 14, blind slot when jacking nut 20 is rotated along preset direction
The side wall of 142 two sides is deformed and with the workpiece in axially extending bore 11 against so that bottom nut 10 and workpiece are relatively fixed.
In any of the above-described embodiment, it is preferable that blind slot 142 is multiple and multiple blind slots 142 along the circumferential equal of cylinder 14
Even distribution.
In the present solution, blind slot 142 is that multiple and multiple blind slots 142 are uniformly distributed along the circumferential direction of cylinder 14, multiple blind slots 142
Cylinder 14 is divided into multiple equal-sized screw thread arc-shaped wedge blocks, is convenient for 10 surrounding uniform stressed of bottom nut, and then subtract
Few bottom nut 10 generates the possibility of offset or opposite sliding with workpiece.
In any of the above-described embodiment, it is preferable that blind slot 142 is 4.
In any of the above-described embodiment, it is preferable that jacking nut 20 includes: thread segment 21, and thread segment 21 is equipped with internal screw thread, cylinder
14 outer wall of body is equipped with external screw thread 141, passes through engaging for internal screw thread and external screw thread 141, the spiral shell of realization jacking nut 20 and cylinder 14
Line connection；Section 22 is limited, when jacking nut 20 is rotated along preset direction, limit section 22 squeezes cylinder 14, so that cylinder 14 and axial
Workpiece in through-hole 11 against.
In any of the above-described embodiment, it is preferable that the inner wall between limit section 22 and thread segment 21 is equipped with escape 23.
In any of the above-described embodiment, it is preferable that outside wall surface of the cylinder 14 far from 13 side of end is tapered surface, limits section
22 inner wall is adapted to cylinder 14 far from the outside wall surface of 13 side of end.
In the present solution, outside wall surface of the cylinder 14 far from 13 side of end is tapered surface, the inner wall and cylinder of section 22 are limited
The 14 outside wall surface adaptations far from 13 side of end, jacking nut 20 increase relative to drag uniform when screwing of bottom nut 10, are convenient for
Smoothly jacking nut 20 and bottom nut 10 are tightened.
In any of the above-described embodiment, it is preferable that the first locking teeth 12 is set on the side adjacent with cylinder 14 of end 13,
Second locking teeth 24 is set on the side wall of jacking nut 20, wherein the first locking teeth 12 is uniformly distributed along the circumferential direction of bottom nut 10；
And/or second locking teeth 24 be uniformly distributed along the circumferential direction of bottom nut 10.
In any of the above-described embodiment, it is preferable that the lateral wall of end 13 is hexagon.
In any of the above-described embodiment, it is preferable that the lateral wall of jacking nut 20 is hexagon.
In any of the above-described embodiment, it is preferable that the first locking teeth 12 include the first guide surface and with the first guide surface
The first adjacent abutment face, the second locking teeth 24 include the second guide surface and second abutment face adjacent with the second guide surface,
Wherein, when jacking nut 20 is rotated along preset direction, the sliding opposite with the second guide surface of the first guide surface, up to the first abutment face and
Second abutment face it is opposite against so that the first locking teeth 12 and the second locking teeth 24 preset direction negative side upwards against.
The embodiment of the utility model second aspect provides a kind of vehicle, including stopping in first aspect any embodiment
Move back stop nut.
Wherein, in the present embodiment, vehicle can be automobile, electric vehicle, rail vehicle etc..
The embodiment of the utility model third aspect provides in a kind of generating equipment, including first aspect any embodiment
Backstop lock nut.
The embodiment of the utility model fourth aspect provides a kind of track, including stopping in first aspect any embodiment
Move back stop nut.
In the present solution, track can be railroad track, it can also be with the urban transportations track such as subway.
In the present invention, term " first ", " second ", " third " are only used for the purpose of description, and should not be understood as
Indication or suggestion relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " peace
Dress ", " connected ", " connection ", the terms such as " fixation " shall be understood in a broad sense, can also be with for example, " connection " may be a fixed connection
It is to be detachably connected, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.It is right
For those skilled in the art, can understand as the case may be above-mentioned term in the present invention specifically contain
Justice.
In the description of the utility model, it is to be understood that term " on ", "lower", "left", "right", "front", "rear" etc. refer to
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and
Simplify description, rather than the device or unit of indication or suggestion meaning there must be specific direction, with specific orientation construction
And operation, it is thus impossible to be construed as a limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of backstop lock nut characterized by comprising
Bottom nut (10), axially extending bore (11) are equipped in the bottom nut (10) and the bottom nut (10) is equipped with multiple first
Locking teeth (12)；
Jacking nut (20), the jacking nut (20) are sheathed on the bottom nut (10) outside and connect with bottom nut (10) screw thread
It connecing, the jacking nut (20) is equipped with multiple second locking teeths (24),
Wherein, the jacking nut (20) can rotate along preset direction, so that the bottom nut (10) and the axially extending bore (11)
Interior workpiece against, and first locking teeth (12) and second locking teeth (24) against.
2. backstop lock nut according to claim 1, which is characterized in that the bottom nut (10) includes:
End (13), first locking teeth (12) are set on the end (13)；
Cylinder (14), is fixedly connected with the end (13) and the cylinder (14) is equipped at least one blind slot (142), described
Jacking nut (20) is threadedly coupled with the cylinder (14),
Wherein, when the jacking nut (20) rotates along preset direction, the inner wall of the jacking nut (20) squeezes the cylinder (14)
Side wall so that workpiece in the side wall of the cylinder (14) and the axially extending bore (11) against.
3. backstop lock nut according to claim 2, which is characterized in that
The blind slot (142) is that multiple and multiple blind slots (142) are uniformly distributed along the circumferential direction of the cylinder (14).
4. backstop lock nut according to claim 3, which is characterized in that
The blind slot (142) is 4.
5. backstop lock nut according to claim 2, which is characterized in that the jacking nut (20) includes:
Thread segment (21), the thread segment (21) are equipped with internal screw thread, and cylinder (14) outer wall is equipped with external screw thread (141), lead to
Engaging for the internal screw thread and the external screw thread (141) is crossed, realizes that the screw thread of the jacking nut (20) and the cylinder (14) connects
It connects；
It limiting section (22), when the jacking nut (20) rotates along preset direction, the limit section (22) squeezes the cylinder, so that
Workpiece in the cylinder (14) and the axially extending bore (11) against.
6. backstop lock nut according to claim 5, which is characterized in that
The cylinder (14) far from the end (13) side outside wall surface be tapered surface, it is described limit section (22) inner wall with
The cylinder (14) is adapted to far from the outside wall surface of the end (13) side.
7. the backstop lock nut according to any one of claim 2 to 6, which is characterized in that
First locking teeth (12) is set on the end (13) and the cylinder (14) adjacent side, second locking
Tooth (24) is set on the side wall of the jacking nut (20),
Wherein, first locking teeth (12) is uniformly distributed along the circumferential direction of the bottom nut (10)；And/or
Second locking teeth (24) is uniformly distributed along the circumferential direction of the bottom nut (10).
8. a kind of vehicle, which is characterized in that including the backstop lock nut as described in any one of claims 1 to 7.
9. a kind of generating equipment, which is characterized in that including the backstop lock nut as described in any one of claims 1 to 7.
10. a kind of track, which is characterized in that including the backstop lock nut as described in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247765.3U CN209557462U (en) | 2019-02-27 | 2019-02-27 | A kind of backstop lock nut, vehicle, generating equipment and track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247765.3U CN209557462U (en) | 2019-02-27 | 2019-02-27 | A kind of backstop lock nut, vehicle, generating equipment and track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209557462U true CN209557462U (en) | 2019-10-29 |
Family
ID=68309894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920247765.3U Active CN209557462U (en) | 2019-02-27 | 2019-02-27 | A kind of backstop lock nut, vehicle, generating equipment and track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209557462U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172815A (en) * | 2020-01-15 | 2020-05-19 | 何秀玲 | Self-locking train track fixing device convenient for confirming looseness |
-
2019
- 2019-02-27 CN CN201920247765.3U patent/CN209557462U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172815A (en) * | 2020-01-15 | 2020-05-19 | 何秀玲 | Self-locking train track fixing device convenient for confirming looseness |
| CN111172815B (en) * | 2020-01-15 | 2021-08-10 | 申通南车(上海)轨道交通车辆维修有限公司 | Self-locking train track fixing device convenient for confirming looseness |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5204856B2 (en) | Improved nuts and bolts | |
| CN106286555A (en) | Self locking anti-loose nut | |
| CN108425928A (en) | A kind of reusable fastener | |
| CN1987134A (en) | Thread connection anti-loose fastener | |
| CN209557462U (en) | A kind of backstop lock nut, vehicle, generating equipment and track | |
| CN104564989A (en) | Bolt | |
| CN105370773A (en) | Oil cylinder for railway vehicle brake clamp | |
| Eccles et al. | Towards an understanding of the loosening characteristics of prevailing torque nuts | |
| JP4713387B2 (en) | Bolt joint structure | |
| CN205423477U (en) | Auto -lock locknut | |
| CN107191446A (en) | A kind of magnet steel rail meter applied to vehicle operation safety monitoring system | |
| CN204371903U (en) | A kind of hydraulic bolt | |
| CN214063514U (en) | Locknut composite set | |
| CN202790003U (en) | Anti-rotating locknut | |
| CN109695620A (en) | A kind of antivibration locking spring nut structure | |
| CN203114845U (en) | Symmetrical prepressing type anti-loosing screw nut assembly | |
| CN104214191A (en) | Displacement friction internal expansion lock bolt | |
| CN104454913A (en) | Loosening-preventing bolt | |
| CN203594675U (en) | Displacement friction internal-expansion check bolt | |
| CN204437017U (en) | A kind of bolt | |
| CN204284167U (en) | Prevent loose type bolt | |
| CN210565677U (en) | Nut pair structure and vehicle | |
| CN210371571U (en) | Universal self-locking fastening nut and fastening assembly | |
| CN206737009U (en) | A kind of screw drive excavator quick connector with self-locking device | |
| CN206571802U (en) | A kind of half shaft bearing block check bolt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |