CN204061494U - Shockproof locking Self-locking screw and shockproof loosening-preventing self-lock screw-thread fastener assembly - Google Patents
Shockproof locking Self-locking screw and shockproof loosening-preventing self-lock screw-thread fastener assembly Download PDFInfo
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- CN204061494U CN204061494U CN201420546909.2U CN201420546909U CN204061494U CN 204061494 U CN204061494 U CN 204061494U CN 201420546909 U CN201420546909 U CN 201420546909U CN 204061494 U CN204061494 U CN 204061494U
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Abstract
The utility model discloses a kind of shockproof locking Self-locking screw and shockproof loosening-preventing self-lock screw-thread fastener assembly, comprise screw and nut, described screw comprises screw body, described screw body is arranged at intervals with screw section, polished rod cylinder between adjacent thread portion is provided with grooving, described nut is provided with the internal thread matched with screw section.The utility model low processing cost, Applicable scope is wide, torsion and frictional force are stable and adjustable, can realize the shockproof locking Self-locking screw of self-locking and shockproof loosening-preventing self-lock screw-thread fastener assembly within the scope of certain vibrations, with all deficiencys avoiding existing locking parts to exist.The utility model processing is simple, and with low cost, Applicable scope is wide, torsion and frictional force stable and adjustable, self-locking can be realized within the scope of certain vibrations.
Description
Technical field
The shockproof locking Self-locking screw that the utility model relates to and shockproof loosening-preventing self-lock screw-thread fastener assembly, be particularly useful for communication, communication, electron trade, as adjustable, and tuning shockproof locking Self-locking screw.
Background technique
Existing screw threads for fastening mode mainly contain locking, the riveting of machinery rush locking, structure is locking, the axial pre tightening force produced when aforesaid way is all by tightening realizes.Above-mentioned locking mode pretightening force in strenuous vibration can reduce to cause loosening gradually, the form of bolt looseness has horizontal transposition, three kinds of forms such as transverse translation and axial strain, these loosen the displacement that all can cause between screw and nut and supporting surface, along with the increase of vibration number, the pretightening force of loss increases lentamente, and nut finally will be caused to get loose.
Model utility content
It is simple that the purpose of this utility model is to provide a kind of processing, with low cost, Applicable scope is wide, torsion and frictional force are stable and adjustable, the shockproof locking Self-locking screw of self-locking and shockproof loosening-preventing self-lock screw-thread fastener assembly can be realized, all deficiencys existed to avoid above-mentioned screw within the scope of certain vibrations.
The utility model is achieved through the following technical solutions:
Shockproof locking Self-locking screw, comprises screw body, and described screw body is arranged at intervals with screw section, and the polished rod cylinder between adjacent thread portion is provided with grooving.The utility model by arranging screw section on screw body, when the blind hole of the screw thread matched with the portion of being threaded or nut are used in combination, because grooving screw body when screw section opposing nut screws can be subject to certain power, grooving is stress deformation under force, when upper and lower two-part screw section is fixed among other fixed blocks, grooving is out of shape and brings certain torsion to screw body, and due to the fastening effect of upper and lower two-part screw section, and then make the frictional force that between superposed screw section and nut or other fixed blocks, flank of thread is subject to larger, when outwarding winding nut, need to overcome the frictional force that threaded connection place is subject to just can realize, and then screw body other threaded fasteners relative can be enable to realize self-locking, there is good anti-loosing effect.By arranging upper and lower two-part screw section and making grooving between upper and lower two-part screw section, can conveniently by screwed for screw body precession blind hole or through hole or nut, and then the frictional force that screw section is subject to is larger, anti-loosing effect can be better.
Further, for realizing the utility model better, described grooving is radial grooving.Namely grooving is perpendicular to the medial axis of screw body, by arranging radial grooving, the torsion that grooving screw body when stressed is subject to is larger, and the frictional force that screw section can be made to be subject to is larger, and then the self-locking better effects if of the screw made, make the anti-loosing effect of screw better while convenient processing.
Further, for realizing the utility model better, described grooving is two groovings not being positioned at the same cross section of screw body.Namely two groovings axially have certain distance along screw body, in arrangement of mutually staggering, by above-mentioned setting, screw body can be made to be subject to multiple power effect simultaneously, meanwhile, arrangement of being staggered by different groovings, can prevent the problem easily ruptured in screw body grooving place.
Further, for realizing the utility model better, the fore-and-aft distance between two groovings is greater than notch width H.By the fore-and-aft distance between two groovings is set to be greater than notch width H, can prevents width narrow operation grooving place between grooving from easily rupturing, affect quality.
Further, for realizing the utility model better, two grooving projections are in the horizontal plane symmetrical.By two groovings are set to symplex structure, the both sides that screw body can be made to arrange grooving are subject to radial force simultaneously, and then make the screw section that screw body matches with other fastening pieces be subject to larger frictional force, and then make its anti-loosing effect better.
Further, for realizing the utility model better, in projection in the horizontal plane, two grooving center lines overlap.Namely two groovings lay respectively at screw body both sides.By making two grooving Central Symmetries, superposed grooving can be made to produce downward deformation, and when upper and lower for screw body two-part screw section is all tightened on nut, position and the grooving of bottom produce deformation upwards under force, and then make upper and lower two-part screw section all be subject to torsion, and then frictional force between the flank of thread of the parts such as screw section and nut can be larger, and then make that it is locking, self-locking better effects if.
Further, for realizing the utility model better, cutting groove depth d is less than screw body diameter D and d>D/2.By the design adopting cutting groove depth d to be less than screw body diameter D, when screw section can be made to match with other fastening pieces, grooving has larger deformation space, and then the frictional force that screw section is subject to is larger, and then makes self-locking better effects if.
The utility model proposes shockproof loosening-preventing self-lock screw-thread fastener assembly on the basis of above-mentioned shockproof locking Self-locking screw, comprise screw and nut, described screw comprises screw body, described screw body is arranged at intervals with screw section, polished rod cylinder between adjacent thread portion is provided with grooving, described nut is provided with the internal thread matched with screw section.By the screw and nut that are provided with grooving being matched, providing a kind of fastener assembly, may be used for communication, communication, electron trade, as adjustable, tuning shockproof locking self-locking fastener assembly, can facilitate standardized production and processing, cut down finished cost.
Further, for realizing the utility model better, described screw and nut is copper.Because the hardness of copper is less, when stressed, easily there is resiliently deformable, and then make screw body be subject to torsion when grooving stress deformation, so make screw section and nut joint frictional force larger.
The utility model compared with prior art, has following beneficial effect:
(1) the utility model by arranging grooving on screw body, when screw being tightened on nut or screwed blind hole or other screwed fastening pieces, screw is subject to axial power can make grooving be out of shape, and then make the fastening pieces such as the screw section on screw body and nut think that joint is subject to larger frictional force, and then screw body can not be slided by the fastening piece such as opposing nut, realize the effect of self-locking anti-loosing, compare existing locking mode, the worm structure of screw body need not be destroyed, screw can Reusability, while can effectively reducing costs, strengthen anti-loosing effect,
(2) the utility model is by adopting shockproof loosening-preventing self-lock screw-thread fastener assembly, nut can be matched with screw, realize effectively locking, meanwhile, due to screw being provided with grooving, nut is relative with screw when screwing, grooving stress deformation, makes nut and screw thread surface of contact be subject to larger frictional force, can effectively realize locking, and can standardized production be carried out, improve utilization efficiency and manufacturing efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment 1 bolt structure schematic diagram;
Fig. 2 is the schematic diagram of grooving distortion after the utility model embodiment 1 external force F exerts pressure;
Fig. 3 is the utility model embodiment 2 nut structure schematic diagram;
Fig. 4 is grooving deformation state figure after the utility model embodiment 2 screw precession nut.
Wherein: 101-screw body; 102-screw section; 103-grooving; 104-nut; 105-polished rod cylinder; D-cutting groove depth; D-screw body diameter; H-notch width.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail, but mode of execution of the present utility model is not limited thereto.
Embodiment 1:
Because the locking mode of existing machinery directly limits relatively rotating of screw pair by employing cotter pin, retainer such as series winding steel wire, lock washer etc., cause dismounting inconvenience, and its anti-loosing effect does not have pretightening force, when bolt pine falls back on locking position, could effect be there is in locking mode, in fact can not play anti-loosing effect, but play Drop-proof effect; It is adopt to rush point, welding, the mode such as bonding that locking mode is rushed in existing riveting, and make screw pair lose kinetic characteristic and be connected to become non-dismountable connection, screw rod can only be used once, dismounting difficulty, must destroy screw pair and could dismantle, restricted application; The locking mode of existing structure utilizes screw pair construction itself, uses the nut of two different rotation directions, increases manufacture cost.
As Fig. 1, shown in Fig. 2, in order to overcome above-mentioned defect, the utility model provides shockproof locking Self-locking screw, comprise screw body 101, described screw body 101 is arranged at intervals with screw section 102, in the present embodiment, be preferably spaced two screw sections 102 up and down, be connected for matching with other screwed fastening pieces, such as screwed blind hole, in blind hole, internal thread is set, described screw section 102 is the outside thread matched with this internal thread, simultaneously, on screw body 101, certain torsion is produced when matching to make screw body 101 tighten with other threaded fasteners, polished rod cylinder 105 between adjacent thread portion 102 is provided with grooving 103, screw section 102 is provided with below described grooving 103.When screw body 101 is screwed in threaded blind hole, screw section 102 matches with the screw thread in blind hole, grooving 103 bottom is provided with screw section 102, when relatively tightening screw body 101 and blind hole, screw body 101 is fixed on blind hole by the screw section 102 that can make to be positioned at bottom and nut or the screwed blind hole upper and lower two-part screw section 102 when being connected that matches, due to grooving 103 stress deformation, and the screw body 101 that fixedly makes of two-part screw section 102 is subject to torsion up and down, the flank of thread that upper and lower two-part screw section 102 contacts with blind hole is subject to larger frictional force, and then improve the self-locking effect of screw body 101.
In the present embodiment, described grooving 103 is not preferably positioned at two groovings 103 of the same cross section of screw body 101, when nut being tightened on upper and lower screw section 102 simultaneously, grooving 103 is subject to downward power F, and then deform, and by after screw section 102 precession nut or blind hole internal fixtion, screw thread in screw section and nut or blind hole matches and screw body 101 is fixed, torsion is produced because grooving 103 exists distortion, screw section 102 and nut surface of contact is made to be subject to active force, and then make screw section 102 larger with the frictional force of nut surface of contact, there is better anti-loosing effect.Screw body 101 is subject to power F, grooving 103 is made to be subject to certain torsion, increase the friction between the internal thread in screw section 102 and blind hole, make that screw section 102 is relative with the screw thread in blind hole is subject to larger frictional force, and then screw body 101 can be self-locking in blind hole.And two groovings 103 are set, superposed grooving 103 produces downward distortion when stressed F, the grooving 103 being positioned at bottom produces distortion upwards, the torsion that screw body 101 is subject to is larger, make the flank of thread of upper and lower two-part screw section 102 all can be subject to larger frictional force, and then its self-locking better effects if.By adopting above-mentioned design, not be used in through hole screw body 101 being arranged construction opening pin or series winding steel wire, also stop pad need not be adopted to carry out spacing, screw body 101 need not be destroyed and then screw body 101 integrity can be kept, simultaneously, the mode that also riveting need not be adopted to rush destroys screw section 102 structure of screw body 101, screw body 101 is arranged on the self-locking with the blind hole of the screw thread matched with its screw section 102 or nut realizing screw body 101, screw body 101 unitary construction can not be destroyed, and can be for convenience detach, multiple nut need not be adopted to be fixed simultaneously, and then can not operational sequence be increased, manufacture and installation cost can be reduced.
Locking for different parts, the torque magnitude suffered by screw body 101 can be changed by the mode changing notch width H, comparatively speaking, notch width H is larger, when relative tightening screw body 101 is with nut, the space that screw body 101 is out of shape is larger, and the torsion that screw body is subject to is larger, and then make the frictional force between the screw thread on screw section 102 and nut larger, and then its self-locking effect is better.
The torsion be subject to make screw body 101 is larger, and preferably, described grooving 103 is radial grooving, i.e. grooving 103 and screw body 101 axis perpendicular.By arranging radial grooving, the radial torsion that screw body 101 can be made to be subject to is maximum, and then the frictional force that screw section 102 can be made to be subject to is maximum.Meanwhile, by adopting radial grooving, the processing of grooving 103 can be facilitated, position and the cutting groove depth d of grooving 103 can be determined better as requested, add trade union convenient, standardization can be facilitated to process simultaneously, improve work efficiency, cut down finished cost.In order to the radial force that balance screw body 101 is subject to, in the present embodiment, described grooving 103 is not preferably positioned at two groovings 103 of the same cross section of screw body 101, two groovings 103 are parallel to each other, and two groovings 103 are not positioned at the same cross section of screw body 101, namely two groovings 103 axially stagger mutually at screw body 101, by arranging two groovings 103, the torsion that screw body 101 is subject to can be increased, and then make self-locking better effects if, simultaneously, two groovings are set to not be positioned at the same cross section of screw body 101, when two groovings 103 can be prevented to be positioned at same cross section, screw body 101 is twisted off, screw body 101 is made to be subject to two torsion that mutually can not overlap, while improving self-locking effect, extend screw body 101 working life.In order to further prevent screw body 101 from being twisted off, in the present embodiment, the fore-and-aft distance between two groovings 103 is greater than notch width H.In order to make screw body 101 be subject to torsion equably, preferably, in the present embodiment, two grooving 103 projections are in the horizontal plane symmetrical, are preferably two grooving 103 center lines in projection in the horizontal plane and overlap.By making the Central Symmetry setting mutually of two groovings 103, when screw body 101 can be made to be tightened on blind hole or nut, both sides are all subject to torsion, and then make screw section 102 be subject to larger frictional force, make self-locking effect better.In order to avoid by there is fracture during torsion, screw body 101 ensures that screw body 101 can be subject to larger torsion, preferably, in the present embodiment, is less than screw body diameter D and d>D/2 at cutting groove depth d simultaneously.The torsion that screw body 101 is subject to can be adjusted by adjustment cutting groove depth d.
Shockproof locking Self-locking screw described in the utility model can use with nut screw connection, also can with other be with female fixed block with the use of, form fastener assembly, utilize the grooving 103 on screw body 101 relative deformation can occur when stressed and make the screw section 102 on screw body 101 with and its fixed block matched between frictional force increase, and then realize the effect of self-locking, and then locking effect can be realized.By adopting this screw, can not be used in and adopt miscellaneous part to carry out fastening, meanwhile, the screw section 102 on screw can not be destroyed, recycling of screw can be realized, can not material be wasted.The crow flight distance between cutting groove depth d, notch width H and different grooving 103 can be determined according to specific needs, thus change the size of torsion, and then change self-locking effect, communication, communication, electron trade can be applicable to, as adjustable, tuning shockproof locking Self-locking screw, there is high use value.Also multiple grooving 103 can be set as required, conveniently process.The utility model also may be used for the locking anticreep of the nut screw of other field, multiple screw section 102 can be set along screw body 101 axially spaced-apart, and grooving 103 is set between adjacent thread portion 102, screw section 102 and nut or other fastening pieces are matched.
Embodiment 2:
As shown in Figure 3, Figure 4, the utility model is on the basis of shockproof locking Self-locking screw, propose shockproof loosening-preventing self-lock screw-thread fastener assembly, comprise screw and nut 104, described screw comprises screw body 101, described screw body 101 is arranged at intervals with screw section 102, the polished rod cylinder 105 between adjacent thread portion 102 is provided with grooving 103, described nut 104 is provided with the internal thread matched with screw section 102.Described screw section 102 is outside thread, and described nut 104 is provided with the internal thread matched with this outside thread.Preferably, described screw and nut 104 is copper.By arranging the nut 104 matched with the screw body 101 with grooving 103, in use, nut 104 and screw are used in combination, while can realizing fixing, when nut 104 is tightened on screw, screw also can be subject to certain torsion, and then realize the self-locking of screw, there is good anti-loosening property, when using as assembly, can select as required correspondingly screw and with the nut 104 that screw matches, can conveniently install.Be made of copper screw and nut 104 in the present embodiment, because copper is softer relative to material, screw made of copper is when being subject to the power that nut 104 screws, easy generation relative deformation, and then can make grooving 103 that relative deformation occurs, make screw body 101 be subject to torsion, realize the effect of self-locking anti-loosing.
Screw and nut described in the utility model also can select the less metal of other hardness to make, and conveniently processes and can reduce costs.
The utility model by arranging spaced screw section 102 on the screw matched with nut 104, and grooving 103 is set between different screw section 102, make screw body 101 precession nut 104 that nut 104 is all matched with adjacent screw section 102, grooving 103 stress deformation when screw body 101 is stressed, and then the torsion making screw body 101 be subject to grooving 103 to bring, and then the frictional force making the flank of thread matched between screw section 102 with nut 104 be subject to is larger, makes to realize self-locking between nut and screw body 101.Above-mentioned parts can be used in communication, communication, electron trade, as adjustable, tuning shockproof loosening-preventing self-lock screw-thread fastener assembly, avoiding prior art only by axially limiting the mode that nut 104 is connected with screw to realize set screw nut 104, effectively realizing the self-locking anti-loosing anticreep of nut 104.The utility model also may be used for the screw check anticreep of other field, multistage screw section 102 can be set at interval, and polished rod cylinder 105 between adjacent thread portion 102 arranges grooving 103, and nut 104 is matched with adjacent two sections of screw sections 102, applied widely.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a shockproof locking Self-locking screw, is characterized in that: comprise screw body, and described screw body is arranged at intervals with screw section, and the polished rod cylinder between adjacent thread portion is provided with grooving.
2. shockproof locking Self-locking screw according to claim 1, is characterized in that: described grooving is radial grooving.
3. shockproof locking Self-locking screw according to claim 2, is characterized in that: described grooving is two groovings not being positioned at the same cross section of screw body.
4. shockproof locking Self-locking screw according to claim 3, is characterized in that: the fore-and-aft distance between two groovings is greater than notch width H.
5. the shockproof locking Self-locking screw according to claim 3 or 4, is characterized in that: two grooving projections are in the horizontal plane symmetrical.
6. shockproof locking Self-locking screw according to claim 5, is characterized in that: in projection in the horizontal plane, two grooving center lines overlap.
7. shockproof locking Self-locking screw according to claim 5, is characterized in that: cutting groove depth d is less than screw body diameter D and d>D/2.
8. a shockproof loosening-preventing self-lock screw-thread fastener assembly, it is characterized in that: comprise screw and nut, described screw comprises screw body, described screw body is arranged at intervals with screw section, polished rod cylinder between adjacent thread portion is provided with grooving, described nut is provided with the internal thread matched with screw section.
9. shockproof loosening-preventing self-lock screw-thread fastener assembly according to claim 8, is characterized in that: described screw and nut is copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420546909.2U CN204061494U (en) | 2014-09-22 | 2014-09-22 | Shockproof locking Self-locking screw and shockproof loosening-preventing self-lock screw-thread fastener assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420546909.2U CN204061494U (en) | 2014-09-22 | 2014-09-22 | Shockproof locking Self-locking screw and shockproof loosening-preventing self-lock screw-thread fastener assembly |
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| Publication Number | Publication Date |
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| CN204061494U true CN204061494U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420546909.2U Active CN204061494U (en) | 2014-09-22 | 2014-09-22 | Shockproof locking Self-locking screw and shockproof loosening-preventing self-lock screw-thread fastener assembly |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331824A (en) * | 2018-04-17 | 2018-07-27 | 深圳市利华联创科技有限公司 | It is integrally formed anti-skidding locking self-locking screw rod, fastening assembly and tuner |
| CN109989990A (en) * | 2019-05-16 | 2019-07-09 | 深圳市国人射频通信有限公司 | It is a kind of from lock set and apply tuner of this kind from lock set |
| CN110566562A (en) * | 2019-08-29 | 2019-12-13 | 海盐盛信标准件有限公司 | bending deformation type anti-theft carriage bolt for wood structure |
-
2014
- 2014-09-22 CN CN201420546909.2U patent/CN204061494U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331824A (en) * | 2018-04-17 | 2018-07-27 | 深圳市利华联创科技有限公司 | It is integrally formed anti-skidding locking self-locking screw rod, fastening assembly and tuner |
| CN108331824B (en) * | 2018-04-17 | 2024-01-23 | 东莞市华尔通信有限责任公司 | Integrated anti-slip anti-loose self-locking screw rod, fastening assembly and tuning device |
| CN109989990A (en) * | 2019-05-16 | 2019-07-09 | 深圳市国人射频通信有限公司 | It is a kind of from lock set and apply tuner of this kind from lock set |
| CN110566562A (en) * | 2019-08-29 | 2019-12-13 | 海盐盛信标准件有限公司 | bending deformation type anti-theft carriage bolt for wood structure |
| CN110566562B (en) * | 2019-08-29 | 2024-04-02 | 海盐盛信标准件有限公司 | Bending deformation type wood structure is with theftproof carriage bolt |
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Inventor after: Lei Lina Inventor before: Zeng Minghua Inventor before: Zhang Yong |
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| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170629 Address after: 1, 2 floor, 152 science and technology garden, Tang Cheng Road, Longhua New District, Shenzhen, Guangdong, 518000 Patentee after: Shenzhen Lihua LIAN Technology Co., Ltd. Address before: 518131, Guangdong province Shenzhen Longhua New District People Street sand scared village 11, 1203 Patentee before: SHENZHEN LISIDA TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201104 Address after: Room 1701, workshop 3, zone 1, Songhu Zhigu R & D center, No.1 renju Road, quantang community, Liaobu Town, Dongguan City, Guangdong Province Patentee after: Dongguan wall Communication Co.,Ltd. Address before: 518000 2, 1 Tang Cheng Science Park, 152 Guanlan Road, Longhua New District, Shenzhen, Guangdong. Patentee before: SHENZHEN LIHUA LIANCHUANG TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |