CN209621829U - A kind of self-locking wedge bolt nut - Google Patents
A kind of self-locking wedge bolt nut Download PDFInfo
- Publication number
- CN209621829U CN209621829U CN201920282457.4U CN201920282457U CN209621829U CN 209621829 U CN209621829 U CN 209621829U CN 201920282457 U CN201920282457 U CN 201920282457U CN 209621829 U CN209621829 U CN 209621829U
- Authority
- CN
- China
- Prior art keywords
- nut
- locking
- self
- cone boss
- bellmouth
- 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
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Abstract
The utility model relates to a kind of threaded connection fasteners in mechanical equipment, and in particular to a kind of self-locking wedge bolt nut.When bellmouth on the upper cone boss and locking nut of nut body screws, the central axes of cone boss and the main shaft in main thread hole have an eccentric distance, nut body and locking nut may make to generate biggish radial force and frictional force, it can prevent coupling nut from loosening, locking nut need to be only rotated backward when unlock, convenient disassembly is simultaneously reusable；Sealant can be squeezed into the gap between nut body and locking nut by hole for injecting glue, sealant, which is equivalent between cone boss and bellmouth, forms taper washer, prevent locking nut loosening in locking state, guarantee the anti-loosing effect of self-locking wedge bolt nut, the corrosion of nut and bolt can also be prevented simultaneously, the bonding strength effect for influencing fastener, further increases nut self-locking property and service life.
Description
Technical field
The utility model relates to a kind of threaded connection fasteners in mechanical equipment, and in particular to a kind of self-locking chock
Nut.
Background technique
Being threadedly coupled fastener, to be often referred to plain bolt nut locking with axial force fastening means, and standard universal part is made,
Due to being influenced by operating condition environment, the nut often fastened easily loosens, exits to cause to fasten and fail, serious to make
At safety accident.Existing relaxation pattern mainly include the following types: using washer etc. rub it is locking, utilize the mechanical systems such as pin
Locking, riveting punching is loosened: above-mentioned nut locking structure respectively has advantage and disadvantage, but also needs to be further improved based on various factors.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of convenient disassembly and it is reusable, anti-loosing effect is good,
Nut self-locking property is good, self-locking wedge bolt nut with long service life.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of self-locking wedge bolt nut, including the nut body with main thread hole and the locking screw with self-locking thread hole
Mother, is provided with cone boss on the nut body, and cone boss is run through in main thread hole, the central axes of cone boss with it is described
The main shaft in main thread hole has an eccentric distance；
Offer the bellmouth to match with the cone boss on the locking nut, the central axes of the bellmouth with
The central axes in the self-locking thread hole are overlapped；
Hole for injecting glue is provided on the locking nut, the hole for injecting glue passes through in glue injection channel and the bellmouth inner sidewall
Aperture communicate.
Preferably, the taper of the cone boss and the taper of bellmouth are identical.
Preferably, flexible gaskets are provided between the upper surface of the cone boss and bellmouth roof.
Preferably, the flexible gaskets bottom is provided with storage rubber ring, and the storage rubber ring connects in the edge of the flexible gaskets
It connects, the storage rubber ring can be provided with sealant.
Preferably, wall thickness is less than the thickness for storing up rubber ring lateral wall, the storage rubber ring outside on the inside of the storage rubber ring
Wall is connect with the flexible gaskets.
Preferably, the groove for distinguishing the cone boss eccentric position, the locking are set on the cone boss
The alignment mark to match with the groove is provided on nut.
Preferably, the protrusion height of cone boss is less than the recessed depth of bellmouth.
Preferably, the taper of the taper and bellmouth of the cone boss and bellmouth is 5 ° -15 °.
The utility model has the beneficial effects that
When bellmouth on the upper cone boss and locking nut of nut body screws, the central axes of cone boss and master
The main shaft of threaded hole has an eccentric distance, and nut body and locking nut may make to generate biggish radial force and friction
Power can prevent coupling nut from loosening, and when unlock need to only rotate backward locking nut, and convenient disassembly is simultaneously reusable；
Sealant can be squeezed into the gap between nut body and locking nut by hole for injecting glue, and sealant is equivalent in cone boss and taper
Taper washer is formed between hole, is prevented locking nut loosening in locking state, is guaranteed the anti-loosing effect of self-locking wedge bolt nut, together
When can also prevent the corrosion of nut and bolt, influence the bonding strength effect of fastener, further increase nut self-locking property
And service life.
Detailed description of the invention
Fig. 1 is a kind of self-locking wedge bolt nut structural schematic diagram of the utility model.
Fig. 2 is the nut body schematic diagram of the utility model.
Figure label explanation: 1, nut body；11, cone boss, 12, groove；2, locking nut；21, bellmouth；22,
Hole for injecting glue；23, glue injection channel；3, flexible gaskets；31, rubber ring is stored up；4, main shaft；5, central axes；
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Referring to Fig.1 shown in -2, a kind of self-locking wedge bolt nut including the nut body 1 with main thread hole and has self-locking
The locking nut 2 of threaded hole, cone boss 11 is provided on the nut body 1, and cone boss 11, cone are run through in main thread hole
The main shaft 4 in the central axes 5 of shape boss 11 and the main thread hole has an eccentric distance；
The bellmouth 21 to match with the cone boss 11 is offered on the locking nut 2, the bellmouth 21
Central axes 5 are overlapped with the central axes 5 in the self-locking thread hole；
Hole for injecting glue 22 is provided on the locking nut 2, the hole for injecting glue 22 passes through glue injection channel 23 and the bellmouth
Aperture on 21 inner sidewalls communicates.
When the upper cone boss 11 and the bellmouth 21 on locking nut 2 of nut body 1 screw, in cone boss 11
Axis 5 and the main shaft 4 in main thread hole have an eccentric distance, and it is biggish to may make that nut body 1 is generated with locking nut 2
Radial force and frictional force can prevent coupling nut from loosening, and when unlock need to only rotate backward locking nut 2, convenient disassembly
And it is reusable；Sealant can be squeezed into the gap between nut body 1 and locking nut 2 by hole for injecting glue 22, and sealant is suitable
In forming taper washer between cone boss 11 and bellmouth 21, the loosening in locking state of locking nut 2 is prevented, is guaranteed certainly
The anti-loosing effect of wedge bolt nut is locked, while the corrosion of nut and bolt can also be prevented, influences the bonding strength effect of fastener,
Further increase nut self-locking property and service life.
The taper of the cone boss 11 is identical with the taper of bellmouth 21.
It is provided with flexible gaskets 3 between 21 roof of upper surface and bellmouth of the cone boss 11, flexible gaskets 3 can be into
One step prevents the loosening in locking state of locking nut 2.
3 bottom of flexible gaskets is provided with storage rubber ring 31, and the storage rubber ring 31 connects in the edge of the flexible gaskets 3
It connects, the storage rubber ring 31 can be provided with sealant.
The storage 31 inside wall thickness of rubber ring is less than the thickness of storage 31 lateral wall of rubber ring, 31 lateral wall of storage rubber ring
It is connect with the flexible gaskets 3.
When bellmouth 21 on the upper cone boss 11 of nut body 1 and locking nut 2 screws, cone boss 11 it is inclined
Heart one end is racked rubber ring 31 is stored up, and is stored up the glue in rubber ring 31 and is flowed between the two gap, the two is firmly locked.
Groove 12 for distinguishing 11 eccentric position of cone boss, the locking screw are set on the cone boss 11
The alignment mark to match with the groove 12 is provided on mother 2.
The protrusion height of cone boss 11 is less than the recessed depth of bellmouth 21.
The taper of the taper and bellmouth 21 of the cone boss 11 and bellmouth 21 is 5 ° -15 °.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (8)
1. a kind of self-locking wedge bolt nut, which is characterized in that including the nut body with main thread hole and there is self-locking thread hole
Locking nut, cone boss is provided on the nut body, cone boss, the axis of cone boss are run through in main thread hole
Line and the main shaft in the main thread hole have an eccentric distance；
Offer the bellmouth to match with the cone boss on the locking nut, the central axes of the bellmouth with it is described
The central axes in self-locking thread hole are overlapped；
Be provided with hole for injecting glue on the locking nut, the hole for injecting glue by glue injection channel with it is small on the bellmouth inner sidewall
Hole communicates.
2. self-locking wedge bolt nut as described in claim 1, which is characterized in that the taper of the cone boss and the cone of bellmouth
It spends identical.
3. self-locking wedge bolt nut as described in claim 1, which is characterized in that the upper surface and bellmouth top of the cone boss
Flexible gaskets are provided between wall.
4. self-locking wedge bolt nut as claimed in claim 3, which is characterized in that the flexible gaskets bottom is provided with storage rubber ring,
The storage rubber ring is connected in the edge of the flexible gaskets, and the storage rubber ring can be provided with sealant.
5. self-locking wedge bolt nut as claimed in claim 4, which is characterized in that wall thickness is less than the storage on the inside of the storage rubber ring
The thickness of rubber ring lateral wall, the storage rubber ring lateral wall are connect with the flexible gaskets.
6. self-locking wedge bolt nut as described in claim 1, which is characterized in that setting is described for distinguishing on the cone boss
The groove of cone boss eccentric position is provided with the alignment mark to match with the groove on the locking nut.
7. self-locking wedge bolt nut as described in claim 1, which is characterized in that the protrusion height of cone boss is less than bellmouth
Recessed depth.
8. self-locking wedge bolt nut as claimed in claim 2, which is characterized in that the taper and cone of the cone boss and bellmouth
The taper in shape hole is 5 ° -15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920282457.4U CN209621829U (en) | 2019-03-06 | 2019-03-06 | A kind of self-locking wedge bolt nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920282457.4U CN209621829U (en) | 2019-03-06 | 2019-03-06 | A kind of self-locking wedge bolt nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209621829U true CN209621829U (en) | 2019-11-12 |
Family
ID=68455868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920282457.4U Expired - Fee Related CN209621829U (en) | 2019-03-06 | 2019-03-06 | A kind of self-locking wedge bolt nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209621829U (en) |
-
2019
- 2019-03-06 CN CN201920282457.4U patent/CN209621829U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |