CN202971513U - Bevel angle central wraparound anti-looseness fastening piece - Google Patents
Bevel angle central wraparound anti-looseness fastening piece Download PDFInfo
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- CN202971513U CN202971513U CN 201220682590 CN201220682590U CN202971513U CN 202971513 U CN202971513 U CN 202971513U CN 201220682590 CN201220682590 CN 201220682590 CN 201220682590 U CN201220682590 U CN 201220682590U CN 202971513 U CN202971513 U CN 202971513U
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- lift splits
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- 238000003466 welding Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract 2
- 206010040007 Sense of oppression Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of automobile parts, in particular to a bevel angle central wraparound anti-looseness fastening piece. The bevel angle central wraparound anti-looseness fastening piece is mainly composed of a main screw, a main nut, a main screw rod, an auxiliary screw rod, bevel sliding blocks, a spring, a spring cavity, an auxiliary nut, bevel teeth and a blocking ring. The main nut is sleeved on the main screw rod and is combined with the main screw rod through threads, a plurality of bevel teeth which form into a whole with the main nut are formed in the bottom face of the main nut, an annular spring cavity is formed in the auxiliary nut, the spring is arranged inside the spring cavity, the bottom end of the spring cavity is provided with the blocking ring which is connected with the auxiliary nut into a whole in a welding mode, a plurality of holes with arc-shaped edges are formed in the top of the spring cavity, and each hole is provided with one bevel sliding block. The bevel angle central wraparound anti-looseness fastening piece can effectively prevent looseness of nuts and screws, wherein the looseness is caused by high-frequency vibration during a long-term driving process of motor vehicles, and improves safety of the motor vehicles.
Description
Technical field
The utility model relates to the auto parts machinery technical field, particularly relates to center, a kind of oblique angle surrounding type Anti-loose fastener.
Background technique
Existing auto parts machinery, the combination of every dependence screw and nut realizes fastening, all unavoidably occurs to become flexible owing to vibrating for a long time in the long-term running process of automobile.Regularly whether loosening to detect and reinforce be a very loaded down with trivial details job to the nut of auto parts machinery.
The model utility content
The utility model provides a kind of just can combining closely with nut in assembly process to stop center, the oblique angle surrounding type Anti-loose fastener of loosening hidden danger for solving the deficiencies in the prior art.
The scheme that solves the utility model technical problem is:
Center, oblique angle surrounding type Anti-loose fastener is made of main screw, mother nut, driving screw, sub-screw, angled-lift splits, spring, spring chamber, secondary nut, inclined-plane tooth and shutoff ring.
Wherein, the screw rod of main screw is made of the driving screw of its first half and the sub-screw of its Lower Half.The diameter of driving screw is greater than the diameter of sub-screw.
Mother nut is placed on driving screw, and is combined with screw thread with driving screw, and sub-screw stretches out from the bottom of mother nut and do not contact with the madial wall of mother nut.It is holistic inclined-plane tooth that a plurality of and mother nut are arranged on the bottom surface of mother nut, and described inclined-plane tooth circularizes array distribution take the axle center of mother nut on the bottom surface of mother nut as the center of circle.
Have the spring chamber of an annular in secondary nut, spring is arranged in spring chamber, the bottom of spring chamber is the shutoff ring that is integrated with secondary nut-welding, has a plurality of holes with curved edge on the top of spring chamber, is equipped with an angled-lift splits that becomes with it clearance fit relationship in each hole.Angled-lift splits can move up and down in described hole.Described a plurality of hole circularizes array distribution take the axle center of secondary nut as the center of circle.The bottom surface of each angled-lift splits and the top of spring are welded as a whole.
Secondary nut is placed on sub-screw and with sub-screw is combined with screw thread.Described angled-lift splits equates with the quantity of described inclined-plane tooth, and when the bottom surface of mother nut contacted with the end face of secondary nut, angled-lift splits and inclined-plane tooth were engaged with each other.
The thread fiting mode of described driving screw and mother nut is that the clockwise direction rotation is advanced, and it is that counterclockwise rotation is advanced that the screw-thread fit of described sub-screw and secondary nut is closed.
The bevel direction of described inclined-plane tooth is: in the face of the bottom surface of mother nut, each inclined-plane tooth is descending along clockwise direction.
The bevel direction of described angled-lift splits is: in the face of the end face of secondary nut, each angled-lift splits is descending along clockwise direction.
The sidewall at the rib place of described angled-lift splits and inclined-plane tooth projection is vertical sidewall.
Adopt such scheme, can reach following effect:
When coming clamp structure with the utility model, first driving screw is passed the through hole of member to be clamped, then the mother nut clockwise direction is threaded onto on driving screw and screws.The revolute nut over against the bottom surface of mother nut and counterclockwise with the end face of secondary nut, be threaded onto on sub-screw secondary nut again.In the process that secondary nut is rotated counterclockwise, the inclined-plane of the inclined-plane of angled-lift splits and inclined-plane tooth touches, leading role due to the inclined-plane of angled-lift splits and inclined-plane tooth, each angled-lift splits is shunk back in spring chamber under the compressing of inclined-plane tooth, spring suffers oppression, when the moment that the rib of the projection of each angled-lift splits separates with the rib of the projection of contacted inclined-plane tooth with it, under the promotion of spring, the rib of angled-lift splits projection again stretches out and is inserted in groove between adjacent two inclined-plane teeth, when the end face of secondary nut contacted with the bottom surface of mother nut, stopping the rotation got final product.at this moment, the upright side walls at the rib place of the upright side walls at the rib place of angled-lift splits projection and inclined-plane tooth projection stops each other, secondary nut can't be clockwise rotated on sub-screw, simultaneously, due to stopping of secondary nut, mother nut also can't be for counterclockwise rotation and retreat around driving screw, therefore, mutual restriction due to mother nut and secondary nut, even mother nut and secondary nut are subjected to for a long time, the vibration of high frequency, also all can't slide from main screw, therefore the utility model can effectively prevent becoming flexible of the nut that causes because of the dither of Motor Vehicle in long-term running process and screw, improved the Security of Motor Vehicle.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the worm's eye view of mother nut;
Fig. 3 is the plan view of secondary nut.
In figure: 1. main screw 2. mother nut 3. driving screw 4. sub-screw 5. angled-lift splits 6. spring 7. secondary nut 9. inclined-plane tooth 10. shutoff ring 11. members to be clamped of spring chamber 8.
The direction of arrow in Fig. 2 and Fig. 3 represents inclined-plane direction from high to low.
Embodiment
The utility model will be further described below in conjunction with drawings and Examples.
Center, oblique angle surrounding type Anti-loose fastener is made of main screw 1, mother nut 2, driving screw 3, sub-screw 4, angled-lift splits 5, spring 6, spring chamber 7, secondary nut 8, inclined-plane tooth 9 and shutoff ring 10.
Wherein, the screw rod of main screw 1 is made of the driving screw 3 of its first half and the sub-screw 4 of its Lower Half.The diameter of driving screw 3 is greater than the diameter of sub-screw 4.
Have the spring chamber 7 of an annular in secondary nut 8, spring 6 is arranged in spring chamber 7, the bottom of spring chamber 7 is the shutoff rings 10 that are welded as a whole with secondary nut 8, has a plurality of holes with curved edge on the top of spring chamber 7, is equipped with an angled-lift splits 5 that becomes with it clearance fit relationship in each hole.Angled-lift splits 5 can move up and down in described hole.Described a plurality of hole circularizes array distribution take the axle center of secondary nut 8 as the center of circle.The top of the bottom surface of each angled-lift splits 5 and spring 6 is welded as a whole.
Secondary nut 8 is placed on sub-screw 4 and with sub-screw 4 is combined with screw thread.Described angled-lift splits 5 equates with the quantity of described inclined-plane tooth 9, and when the bottom surface of mother nut 2 contacted with the end face of secondary nut 8, angled-lift splits 5 was engaged with each other with inclined-plane tooth 9.
Described driving screw 3 is that the clockwise direction rotation is advanced with the thread fiting mode of mother nut 2, and it is that counterclockwise rotation is advanced that described sub-screw 4 closes with the screw-thread fit of secondary nut 8.
The bevel direction of described inclined-plane tooth 9 is: in the face of the bottom surface of mother nut 2, each inclined-plane tooth 9 is descending along clockwise direction.
The bevel direction of described angled-lift splits 5 is: in the face of the end face of secondary nut 8, each angled-lift splits 5 is descending along clockwise direction.
The sidewall at the rib place of described angled-lift splits 5 and inclined-plane tooth 9 projections is vertical sidewall.
When coming clamp structure with the utility model, first driving screw 3 is passed the through hole of member 11 to be clamped, then mother nut 2 clockwise directions are threaded onto on driving screw 3 and screw.The revolute nut 8 over against the bottom surface of mother nut 2 and counterclockwise with the end face of secondary nut 8, be threaded onto on sub-screw 4 secondary nut 8 again.in the secondary nut 8 quilt processes that are rotated counterclockwise, the inclined-plane of the inclined-plane of angled-lift splits 5 and inclined-plane tooth 9 touches, leading role due to the inclined-plane of angled-lift splits 5 and inclined-plane tooth 9, each angled-lift splits 5 is shunk back in spring chamber 7 under the compressing of inclined-plane tooth 9, spring 6 suffers oppression, when the moment that the rib of the projection of each angled-lift splits 5 separates with the rib of the projection of contacted inclined-plane tooth 9 with it, under the promotion of spring 6, the rib of angled-lift splits 5 projections again stretches out and is inserted in groove between adjacent two inclined-plane teeth 9, when the end face of secondary nut 8 contacts with the bottom surface of mother nut 2, stop the rotation and get final product.At this moment, the upright side walls at the rib place of the upright side walls at the rib place of angled-lift splits 5 projections and inclined-plane tooth 9 projections stops each other, secondary nut 8 can't be clockwise rotated on sub-screw 4, simultaneously, due to stopping of secondary nut 8, mother nut 2 also can't be for counterclockwise rotation and retreat around driving screw 3, therefore, mutual restriction due to mother nut 2 and secondary nut 8, even mother nut 2 and secondary nut 8 are subjected to for a long time, the vibration of high frequency, also all can't slide from main screw 1, so just play anti-loosening technique effect.
Claims (1)
1. center, oblique angle surrounding type Anti-loose fastener, by main screw, mother nut, driving screw, sub-screw, angled-lift splits, spring, spring chamber, secondary nut, inclined-plane tooth and shutoff ring consist of, it is characterized in that: the screw rod of main screw is made of the driving screw of its first half and the sub-screw of its Lower Half, the diameter of driving screw is greater than the diameter of sub-screw, mother nut is placed on driving screw, and be combined with screw thread with driving screw, sub-screw stretches out from the bottom of mother nut and does not contact with the madial wall of mother nut, it is holistic inclined-plane tooth that a plurality of and mother nut are arranged on the bottom surface of mother nut, described inclined-plane tooth circularizes array distribution take the axle center of mother nut on the bottom surface of mother nut as the center of circle, have the spring chamber of an annular in secondary nut, spring is arranged in spring chamber, the bottom of spring chamber is the shutoff ring that is integrated with secondary nut-welding, have a plurality of holes with curved edge on the top of spring chamber, be equipped with an angled-lift splits that becomes with it clearance fit relationship in each hole, angled-lift splits can move up and down in described hole, described a plurality of hole circularizes array distribution take the axle center of secondary nut as the center of circle, the bottom surface of each angled-lift splits and the top of spring are welded as a whole, secondary nut is placed on sub-screw and with sub-screw is combined with screw thread, described angled-lift splits equates with the quantity of described inclined-plane tooth, when the bottom surface of mother nut contacts with the end face of secondary nut, angled-lift splits and inclined-plane tooth are engaged with each other, the thread fiting mode of described driving screw and mother nut is that the clockwise direction rotation is advanced, it is that counterclockwise rotation is advanced that the screw-thread fit of described sub-screw and secondary nut is closed, the bevel direction of described inclined-plane tooth is: in the face of the bottom surface of mother nut, each inclined-plane tooth is descending along clockwise direction, the bevel direction of described angled-lift splits is: in the face of the end face of secondary nut, each angled-lift splits is descending along clockwise direction, and the sidewall at the rib place of described angled-lift splits and inclined-plane tooth projection is vertical sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220682590 CN202971513U (en) | 2012-12-08 | 2012-12-08 | Bevel angle central wraparound anti-looseness fastening piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220682590 CN202971513U (en) | 2012-12-08 | 2012-12-08 | Bevel angle central wraparound anti-looseness fastening piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202971513U true CN202971513U (en) | 2013-06-05 |
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ID=48512596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220682590 Expired - Fee Related CN202971513U (en) | 2012-12-08 | 2012-12-08 | Bevel angle central wraparound anti-looseness fastening piece |
Country Status (1)
| Country | Link |
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| CN (1) | CN202971513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104585A (en) * | 2012-12-08 | 2013-05-15 | 宁波市鄞州云帆工程咨询有限公司 | Ring-shaped array locking-type bi-directional anti-loosing fastener |
-
2012
- 2012-12-08 CN CN 201220682590 patent/CN202971513U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104585A (en) * | 2012-12-08 | 2013-05-15 | 宁波市鄞州云帆工程咨询有限公司 | Ring-shaped array locking-type bi-directional anti-loosing fastener |
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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: 20130605 Termination date: 20141208 |
|
| EXPY | Termination of patent right or utility model |