CN109139670A - Combined type stop nut - Google Patents
Combined type stop nut Download PDFInfo
- Publication number
- CN109139670A CN109139670A CN201810988215.7A CN201810988215A CN109139670A CN 109139670 A CN109139670 A CN 109139670A CN 201810988215 A CN201810988215 A CN 201810988215A CN 109139670 A CN109139670 A CN 109139670A
- Authority
- CN
- China
- Prior art keywords
- release member
- elastic
- elastic anti
- counter sink
- nut body
- 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.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 229920006351 engineering plastic Polymers 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- 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
- F16B39/38—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 with a second part of the screw-thread which may be resiliently mounted
-
- 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
- F16B33/00—Features common to bolt and nut
- F16B33/02—Shape of thread; Special thread-forms
-
- 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
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
- F16B39/26—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object with spring washers fastened to the nut or bolt-head
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dowels (AREA)
Abstract
The invention belongs to anti-loose fastener technical fields, disclose combined type stop nut, including nut body, elastic anti-release member on nut body is set, the end face edge of nut body is axially arranged with counter sink, elastic anti-release member is fixedly installed in counter sink and elastic anti-release member is equipped with threaded hole, and the screwed hole of centre of threaded hole and nut body is coaxial；The lower end surface of elastic anti-release member is provided with the bottom hole of elastic component, elastic component and elastic anti-release member integrated molding and the lower end in contact counter sink of elastic component by even circumferential；Position limiting structure, the upper end face contact of position limiting structure and elastic anti-release member are equipped at the aperture of counter sink.The present invention is by nut body, elastic anti-release member and elastic component triplicity, nut body and elastic anti-release member with screw rod or be bolted, elastic anti-release member holds screw thread or screw rod tightly, plays locking effect, elastic component provides stable axial elastic force, and anti-loosing effect is good.Therefore, the present invention is suitble to promote the use of.
Description
Technical field
The invention belongs to anti-loose fastener technical fields, and in particular to a kind of stop nut more particularly to combined type are locking
Nut.
Background technique
In numerous areas such as industrial production, automobile, aerospace and rail traffics, screw threads for fastening is largely used in a device
Part realizes connection, but for high-intensitive shock loading and alternating load in the case where, the anti-loose of threaded fastener is asked
Topic is not solved effectively always.
For the anti-loose demand of threaded fastener, existing a large amount of nut, mainly passes through mechanical stop, trimming on the market
The modes such as stop, riveting punching are realized anti-loose, but the effect is unsatisfactory；Nut once loosens, effective connection between screw bolt and nut
Failure can be loosened quickly, and reliability cannot ensure.
In addition, existing nut production and processing difficulty is big, high production cost, yield rate is low and reliability cannot be guaranteed；
In repair and maintenance, some abnormity nuts must be dismantled using specific purpose tool, and disassembly process is cumbersome, time-consuming and laborious, extremely
Inconvenience causes working efficiency low.
Therefore, in this field there are technical problem urgently to be resolved, need to propose more reasonable technical solution, solve with
Upper technical problem.
Summary of the invention
It is an object of that present invention to provide combined type stop nuts, and the combined type stop nut is using elastic component to nut body
Loading moment allows formation between two sections of screw threads to interfere when screwing in the operation power and nut body of elastic anti-release member, and elasticity is locking
Tight fit between part and bolt or screw rod tooth increases the frictional force between the thread of nut body and bolt or screw flight
Achieve the purpose that fastening is locking.
In order to realize above-mentioned technical effect, the technical scheme adopted by the invention is as follows:
The elastic anti-release member on nut body is arranged in combined type stop nut, including nut body.Specifically, institute
One end face of the nut body stated is along counter sink is axially arranged with, and the elastic anti-release member is fixedly installed in counter sink and elasticity
Anti-release member is equipped with threaded hole, and the screwed hole of centre of threaded hole and nut body is coaxial；Between elastic anti-release member and nut body
It is provided with elastic component, the bottom hole of the lower end in contact counter sink of elastic component.
Further, the elastic component is strip, includes at least vertical bar, arc strip or turning item, and elastic component
The axial line of elastic anti-release member threaded hole is directed toward in front end, and rear end is radially outward radially set along elastic anti-release member threaded hole
It sets；Or the elastic component is strip, includes at least vertical bar, arc strip or turning item, and the front and rear end of elastic component
Line and elastic anti-release member threaded hole be formed radially angle.
Further, elastic anti-release member role is to hold bolt or screw rod, the spiral shell of threaded hole tightly using plastic deformation
Line tooth and bolt or screw flight tooth are fitted close, and increase the friction fastening of threaded connection；It is described to realize this effect
The diameter of thread of elastic anti-release member threaded hole is greater than or equal to the diameter of thread of screwed hole of centre, and the Major Diam of threaded hole is less than
The Major Diam of screwed hole of centre.
Further, it is easy to appear conflict when screw rod or bolt cooperate with nut body and elastic anti-release member simultaneously, led
Cause fiting effect poor；Therefore the screw thread of the threaded hole includes changeover portion and standard paragraphs, changeover portion is smoothly connected with standard paragraphs, transition
The screw pitch of section is greater than the screw pitch of standard paragraphs, and the screw pitch of standard paragraphs is equal to the screw pitch of screwed hole of centre；In elastic anti-release member and nut
When ontology connection cooperation, changeover portion is located in elastic anti-release member close to one end of screwed hole of centre, and starts from elastic anti-release member
Lower end surface, standard paragraphs are located at one end far from screwed hole of centre in elastic anti-release member, and terminate in the upper surface of elastic anti-release member.When
When bolt or screw rod cooperate with nut body and elastic anti-release member simultaneously, standard paragraphs screw thread is identical as the screw thread of screwed hole of centre,
The screw thread of changeover portion plays the role of linking, makes bolt or screw rod more smooth, the good connecting effect when connecting incision.
Further, the screw pitch of changeover portion and standard paragraphs and nut body screwed hole of centre in the threaded hole of elastic anti-release member
Screw pitch it is identical or close, in addition, the screw pitch of changeover portion and standard paragraphs can be used fixed pitch or variation screw pitch design.
Further, the cross section of the elastic anti-release member is polygon, ellipse or other irregular shapes；Described
Counter sink is adapted with the structure of elastic anti-release member.
Further, as a preferred solution, at the aperture of the counter sink be equipped with position limiting structure, position limiting structure with
The upper end face contact of elastic anti-release member.The position limiting structure is the flanging bent to the axle center of counter sink being continuously arranged, folding
Axial displacement occurs to outside counter sink for margin elasticity anti-release member.Elastic anti-release member is limited in inside counter sink by position limiting structure,
Make elastic anti-release member axial displacement extreme position be counter sink aperture.
Further, as another preferred scheme, the position limiting structure is the spaced axis to counter sink
The flanging of heart bending, flanging limits, and axial displacement occurs to outside counter sink in elastic anti-release member.Position limiting structure is by elastic anti-release member
Be limited in inside counter sink, make elastic anti-release member axial displacement extreme position be counter sink aperture.
Further, as a preferred option, the counter sink uses hexagonal counter sink, in hexagonal counter sink and nut
The coaxial arrangement of heart threaded hole；The cross section of the elasticity anti-release member is corresponding hexagon, and the threaded hole of elastic anti-release member is located at
The center of elastic anti-release member.
Further, as a preferred solution, the screwed hole of centre of the counter sink and nut body is coaxially set
It sets.
Further, nut body can be used but be not limited to hex nut.
Further, the elastic anti-release member is made of engineering plastics.The plasticity of engineering plastics is strong, is carrying out screw thread
Elastic deformation occurs when connection, therefore engineering plastics are strong to the enclasping force of screw thread or screw rod, anti-loose ability is good.
The invention has the benefit that
1. the present invention, by nut body, elastic anti-release member and elastic component triplicity, nut body and elastic anti-release member are equal
With screw rod or be bolted, elastic anti-release member holds screw thread or screw rod tightly, plays locking effect, elastic component provides stable
Axial elastic force, structure is simple, realizes and is easy, anti-loosing effect is good.
2. the threaded hole setting changeover portion and standard paragraphs of elasticity anti-release member of the invention, in the screw thread and nut body of standard paragraphs
The screw thread of heart threaded hole is identical, and changeover portion is smoothly connected with standard paragraphs, and the screw thread of changeover portion and screwed hole of centre is smoothly postponed,
The connection smooth degree of bolt or screw rod is improved, and introduces bigger active force between two sections of threads.
3. the cross-sectional shape of elastic anti-release member makes elastic anti-release member and nut body convenient for circumferential fixation in the present invention
It keeps in the circumferential relatively fixed.
4. the diameter of thread of internal screw thread is greater than or equal to the diameter of thread of screwed hole of centre in the threaded hole of elastic anti-release member,
The Major Diam of threaded hole is less than the Major Diam of screwed hole of centre, and it is tight to the connection of screw rod or bolt to improve elastic anti-release member
Density.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings only shows section Example of the invention, therefore is not to be taken as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the schematic cross-sectional view when present invention faces.
Fig. 2 is the schematic cross-sectional view that the present invention connect cooperation with screw rod.
Fig. 3 is structural schematic diagram when nut body is overlooked.
Fig. 4 is schematic cross-sectional view when nut body is faced.
Fig. 5 is structural schematic diagram when elastic anti-release member is overlooked.
Fig. 6 is schematic cross-sectional view when elastic anti-release member is faced.
Fig. 7 is the overall structure diagram of elastic anti-release member.
In figure, the meaning of each label are as follows: 1- nut body；101- screwed hole of centre；102- counter sink；103- limit knot
Structure；2- elasticity anti-release member；201- threaded hole；202- elastic component.
Specific embodiment
With reference to the accompanying drawing and specific embodiment does further explaination to the present invention.
Embodiment 1:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 7, present embodiment discloses combined type stop nuts, including nut body
1, the elastic anti-release member 2 on nut body is set.Specifically, the end face edge of the nut body is axially arranged with countersunk head
Hole 102, the elastic anti-release member is fixedly installed in counter sink and elastic anti-release member is equipped with threaded hole 201, threaded hole with
The screwed hole of centre 101 of nut body is coaxial；The lower end surface of elastic anti-release member is provided with elastic component 202 by even circumferential, elasticity
The bottom hole of part and elastic anti-release member integrated molding and the lower end in contact counter sink of elastic component.
Elastic anti-release member role is to hold bolt or screw rod, the thread and bolt of threaded hole tightly using plastic deformation
Or screw flight tooth is fitted close, and increases the friction fastening of threaded connection；To realize this effect, the elastic anti-release member
The diameter of thread of threaded hole is greater than or equal to the diameter of thread of screwed hole of centre, and the Major Diam of threaded hole is equal to screwed hole of centre
Major diameter.
As shown in Figure 5, Figure 6, when screw rod or bolt simultaneously with nut body and elastic anti-release member cooperation when be easy to appear to
Touching, causes fiting effect poor；Therefore the screw thread of the threaded hole includes changeover portion and standard paragraphs, changeover portion smoothly connects with standard paragraphs
It connects, the screw pitch of changeover portion is greater than the screw pitch of standard paragraphs, and the screw pitch of standard paragraphs is equal to the screw pitch of screwed hole of centre；Changeover portion starts from bullet
The lower end surface of property anti-release member, standard paragraphs terminate in the upper surface of elastic anti-release member.When bolt or screw rod simultaneously with nut body and bullet
Property anti-release member cooperation when, standard paragraphs screw thread is identical as the screw thread of screwed hole of centre, and the screw thread of changeover portion plays the role of linking, makes
Bolt or screw rod more smooth, the good connecting effect when connecting incision.
The screw pitch phase of the screw pitch of changeover portion and standard paragraphs and nut body screwed hole of centre in the threaded hole of elastic anti-release member
It is same or close, in addition, fixed pitch or variation screw pitch design can be used in the screw pitch of changeover portion and standard paragraphs.
The thread of the changeover portion is triangle tooth at incision end, in the present embodiment, in standard paragraphs and nut body
The thread of heart threaded hole can be used but be not limited to triangle tooth, trapezoidal tooth, rectangle tooth.
In the present embodiment, position limiting structure 103 is equipped at the aperture of the counter sink, position limiting structure is upper with elastic anti-release member
End face contact.The position limiting structure is the flanging bent to the axle center of counter sink being continuously arranged, and flanging limitation elasticity is locking
Axial displacement occurs to outside counter sink for part.Elastic anti-release member is limited in inside counter sink by position limiting structure, makes elastic anti-release member axis
It is the aperture of counter sink to the extreme position of displacement.
In the present embodiment, nut body can be used but be not limited to hex nut.
In the present embodiment, the counter sink uses hexagonal counter sink, and the screwed hole of centre of hexagonal counter sink and nut is same
Axis setting；The cross section of the elasticity anti-release member is corresponding hexagon, and the threaded hole of elastic anti-release member is located at elastic anti-release member
Center.
In the present embodiment, the elastic anti-release member is made of engineering plastics.The plasticity of engineering plastics is strong, is carrying out
Elastic deformation occurs when threaded connection, therefore engineering plastics are strong to the enclasping force of screw thread or screw rod, anti-loose ability is good.
Embodiment 2:
Present embodiment discloses combined type stop nut, including nut body, the elasticity being arranged on nut body is locking
Part.Specifically, an end face of the nut body is along counter sink is axially arranged with, the elastic anti-release member is fixedly installed on
In counter sink and elastic anti-release member is equipped with threaded hole, and the screwed hole of centre of threaded hole and nut body is coaxial；Elastic anti-release member
Lower end surface even circumferential is provided with elastic component, elastic component and elastic anti-release member is integrally formed and the lower end in contact of elastic component is heavy
The bottom hole of head bore；Position limiting structure, the upper end face contact of position limiting structure and elastic anti-release member are equipped at the aperture of the counter sink.
The present embodiment difference from example 1 is that:
In the present embodiment, the elastic component is strip, includes at least vertical bar, arc strip or turning item, and elastic component
Front end be directed toward the axial line of elastic anti-release member threaded hole, rear end is radially outward radially set along elastic anti-release member threaded hole
It sets.
The structure of other each sections and connection relationship are same as Example 1 in the present embodiment, just repeat no more herein.
Embodiment 3:
Present embodiment discloses combined type stop nut, including nut body, the elasticity being arranged on nut body is locking
Part.Specifically, an end face of the nut body is along counter sink is axially arranged with, the elastic anti-release member is fixedly installed on
In counter sink and elastic anti-release member is equipped with threaded hole, and the screwed hole of centre of threaded hole and nut body is coaxial；Elastic anti-release member
Lower end surface even circumferential is provided with elastic component, elastic component and elastic anti-release member is integrally formed and the lower end in contact of elastic component is heavy
The bottom hole of head bore；Position limiting structure, the upper end face contact of position limiting structure and elastic anti-release member are equipped at the aperture of the counter sink.
The present embodiment and embodiment 2 the difference is that:
In the present embodiment, the elastic component is strip, includes at least vertical bar, arc strip or turning item, and elastic component
Front and rear end line and elastic anti-release member threaded hole be formed radially angle.
On this basis, elastic component can carry out multilayer setting, such as settable two layers of elastic component, internal layer elasticity according to annular
Part is arranged according to clockwise direction spiral, and outer layer elastic component is arranged according to counter clockwise direction spiral.
The benefit being arranged in this way is to further increase the elastic force directional stability of elastic component.
The structure of other each sections and connection relationship are same as Example 2 in the present embodiment, just repeat no more herein.
Embodiment 4:
Present embodiment discloses combined type stop nut, including nut body, the elasticity being arranged on nut body is locking
Part.Specifically, an end face of the nut body is along counter sink is axially arranged with, the elastic anti-release member is fixedly installed on
In counter sink and elastic anti-release member is equipped with threaded hole, and the screwed hole of centre of threaded hole and nut body is coaxial；Elastic anti-release member
Lower end surface even circumferential is provided with elastic component, elastic component and elastic anti-release member is integrally formed and the lower end in contact of elastic component is heavy
The bottom hole of head bore；Position limiting structure, the upper end face contact of position limiting structure and elastic anti-release member are equipped at the aperture of the counter sink.
The present embodiment difference from example 1 is that:
In the present embodiment, the position limiting structure is the spaced flanging bent to the axle center of counter sink, flanging
It limits and axial displacement occurs to outside counter sink in elastic anti-release member.Elastic anti-release member is limited in inside counter sink by position limiting structure,
Make elastic anti-release member axial displacement extreme position be counter sink aperture.
The benefit being arranged in this way is that the difficulty of processing of position limiting structure is small, saves material, and bending is convenient.
The structure of other each sections and connection relationship are same as Example 1 in the present embodiment, just repeat no more herein.
Embodiment 5:
Present embodiment discloses combined type stop nut, including nut body, the elasticity being arranged on nut body is locking
Part.Specifically, an end face of the nut body is along counter sink is axially arranged with, the elastic anti-release member is fixedly installed on
In counter sink and elastic anti-release member is equipped with threaded hole, and the screwed hole of centre of threaded hole and nut body is coaxial；Elastic anti-release member
Lower end surface even circumferential is provided with elastic component, elastic component and elastic anti-release member is integrally formed and the lower end in contact of elastic component is heavy
The bottom hole of head bore；Position limiting structure, the upper end face contact of position limiting structure and elastic anti-release member are equipped at the aperture of the counter sink.
The present embodiment difference from example 1 is that:
In the present embodiment, the Major Diam of threaded hole is less than the Major Diam of screwed hole of centre.
The benefit being arranged in this way is, in connection, elastic anti-release member is that interference is connect with the connection of bolt or screw rod, elasticity
Anti-release member by itself elastic deformation operation in bolt or screw rod, it is stronger to the enclasping force of bolt and screw rod.
The structure of other each sections and connection relationship are same as Example 1 in the present embodiment, just repeat no more herein.
Embodiment 6:
Present embodiment discloses combined type stop nut, including nut body, the elasticity being arranged on nut body is locking
Part.Specifically, an end face of the nut body is along counter sink is axially arranged with, the elastic anti-release member is fixedly installed on
In counter sink and elastic anti-release member is equipped with threaded hole, and the screwed hole of centre of threaded hole and nut body is coaxial；Elastic anti-release member
Lower end surface even circumferential is provided with elastic component, elastic component and elastic anti-release member is integrally formed and the lower end in contact of elastic component is heavy
The bottom hole of head bore；Position limiting structure, the upper end face contact of position limiting structure and elastic anti-release member are equipped at the aperture of the counter sink.
The present embodiment difference from example 1 is that:
In the present embodiment, the pass cross-sectional shape of counter sink be any other polygon, ellipse or polygon with
Other irregular shapes.
Also, it is described elasticity anti-release member cross section be polygon corresponding with the pass section of counter sink, ellipse or
Other irregular shapes.
The benefit being arranged in this way is can to carry out shape to counter sink and elastic anti-release member according to specific application scenarios and set
Meter meets the requirement of counter sink and elastic anti-release member in the requirement and installation dimension on bonding strength.
The structure of other each sections and connection relationship are same as Example 1 in the present embodiment, just repeat no more herein.
Embodiment 7:
Present embodiment discloses combined type stop nut, including nut body, the elasticity being arranged on nut body is locking
Part.Specifically, an end face of the nut body is along counter sink is axially arranged with, the elastic anti-release member is fixedly installed on
In counter sink and elastic anti-release member is equipped with threaded hole, and the screwed hole of centre of threaded hole and nut body is coaxial；Elastic anti-release member
Lower end surface even circumferential is provided with elastic component, elastic component and elastic anti-release member is integrally formed and the lower end in contact of elastic component is heavy
The bottom hole of head bore；Position limiting structure, the upper end face contact of position limiting structure and elastic anti-release member are equipped at the aperture of the counter sink.
The present embodiment difference from example 1 is that:
In the present embodiment, the cross-sectional shape of nut body is any other polygon, ellipse or polygon and arc
Shape combines the shape of composition.
The benefit being arranged in this way is can to carry out configuration design to nut body according to specific application scenarios, meet nut
Requirement of the ontology in the requirement and installation dimension on bonding strength.
The structure of other each sections and connection relationship are same as Example 1 in the present embodiment, just repeat no more herein.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are each under the inspiration of the present invention
The product of kind form.Above-mentioned specific embodiment should not be understood the limitation of pairs of protection scope of the present invention, protection of the invention
Range should be subject to be defined in claims, and specification can be used for interpreting the claims.
Claims (10)
1. the elastic anti-release member (2) on nut body is arranged in combined type stop nut, including nut body (1), feature exists
In: along being axially arranged with counter sink (102), the elastic anti-release member is fixedly installed on countersunk head for an end face of the nut body
In hole and elastic anti-release member is equipped with threaded hole (201), and the screwed hole of centre (101) of threaded hole and nut body is coaxial；Elasticity
The lower end surface of anti-release member is provided with elastic component (202) by even circumferential, and elastic component is integrally formed with elastic anti-release member and elastic component
Lower end in contact counter sink bottom hole.
2. combined type stop nut according to claim 1, it is characterised in that: the elastic component is strip, at least
Including vertical bar, arc strip or turning item, and the axial line of elastic anti-release member threaded hole is directed toward in the front end of elastic component, and rear end is along elasticity
Anti-release member threaded hole is radially outward radially arranged；Or the elastic component is strip, includes at least vertical bar, arc
Item or turning item, and the line of the front and rear end of elastic component and elastic anti-release member threaded hole are formed radially angle.
3. combined type stop nut according to claim 1, it is characterised in that: the screw thread of the elasticity anti-release member threaded hole
Path is greater than or equal to the diameter of thread of screwed hole of centre, and the Major Diam of threaded hole is less than the Major Diam of screwed hole of centre.
4. combined type stop nut according to claim 1,2 or 3, it is characterised in that: the screw thread of the threaded hole includes
Changeover portion and standard paragraphs, changeover portion are smoothly connected with standard paragraphs, and the screw pitch of changeover portion is greater than the screw pitch of standard paragraphs, the spiral shell of standard paragraphs
Away from the screw pitch for being equal to screwed hole of centre.
5. combined type stop nut according to claim 1, it is characterised in that: the cross section of the elasticity anti-release member is more
Side shape or ellipse, the counter sink are adapted with the structure of elastic anti-release member.
6. combined type stop nut according to claim 1, it is characterised in that: be equipped with limit at the aperture of the counter sink
Structure (103), the upper end face contact of position limiting structure and elastic anti-release member.
7. combined type stop nut according to claim 6, it is characterised in that: the position limiting structure is to counter sink
The flanging of axle center bending, flanging limit elastic anti-release member and axial displacement occur to outside counter sink.
8. combined type stop nut according to claim 1, it is characterised in that: in the counter sink and nut body
The coaxial arrangement of heart threaded hole.
9. combined type stop nut according to claim 1, it is characterised in that: the nut body is hex nut.
10. combined type stop nut according to claim 1, it is characterised in that: the elastic anti-release member is by engineering plastic
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810988215.7A CN109139670A (en) | 2018-08-28 | 2018-08-28 | Combined type stop nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810988215.7A CN109139670A (en) | 2018-08-28 | 2018-08-28 | Combined type stop nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109139670A true CN109139670A (en) | 2019-01-04 |
Family
ID=64828646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810988215.7A Pending CN109139670A (en) | 2018-08-28 | 2018-08-28 | Combined type stop nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139670A (en) |
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|---|---|---|---|---|
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| GB1317366A (en) * | 1970-06-12 | 1973-05-16 | Engelmann W | Nut having a built-in locking washer |
| JPH0628327U (en) * | 1992-09-07 | 1994-04-15 | 忠 千坂 | Locking nut |
| JP2003232327A (en) * | 2002-02-07 | 2003-08-22 | Takenaka:Kk | Fastening tool |
| JP3946752B1 (en) * | 2006-06-26 | 2007-07-18 | 株式会社Ａｅファステック | Locking nut |
| CN201050539Y (en) * | 2007-05-25 | 2008-04-23 | 中国北车集团大同电力机车有限责任公司 | Elastic gasket with tooth |
| JP2009115297A (en) * | 2007-11-09 | 2009-05-28 | Miki Seisakusho:Kk | Lock-nut, its manufacturing method, and its jig for processing |
| US20100272539A1 (en) * | 2006-12-07 | 2010-10-28 | Powerrex Corporation Co., Ltd | Anti-loose lock nut |
| JP3164885U (en) * | 2010-09-30 | 2010-12-24 | 大阪フォーミング株式会社 | Locking nut |
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| CN207297595U (en) * | 2017-09-11 | 2018-05-01 | 泉州力泰汽车配件制造有限公司 | A kind of elastic washer and the stop nut with the packing ring |
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