CN203809479U - Screw anti-loose positioning structure and watchband - Google Patents
Screw anti-loose positioning structure and watchband Download PDFInfo
- Publication number
- CN203809479U CN203809479U CN201420005473.6U CN201420005473U CN203809479U CN 203809479 U CN203809479 U CN 203809479U CN 201420005473 U CN201420005473 U CN 201420005473U CN 203809479 U CN203809479 U CN 203809479U
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- screw
- sleeve pipe
- grain
- hole
- band grain
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Abstract
The embodiment of the utility model discloses a screw anti-loose positioning structure and a watchband. The screw anti-loose positioning structure comprises a screw and at least one sleeve (5) sleeving the screw. The screw anti-loose positioning structure provided by the embodiment of the utility model can take an anti-loose positioning effect by sleeving the screw with the sleeve.
Description
Technical field
The utility model relates to a kind of mechanical structure, relates in particular to a kind of screw check position structure and watchband.
Background technique
Conventional screw check structure has three kinds, respectively: rub locking, mechanical locking and forever locking.Wherein, the locking and friction of machinery is locking be called detachably locking, and permanent locking be called non-dismountable locking.Conventional permanent lockingly have: spot welding, riveted joint, bonding etc.This method mostly will be destroyed threaded fastener in the time of dismounting, cannot reuse.Common friction is locking to be had: utilize pad, self-locking nut and double nut etc.Common mechanical anti-loose method: utilize cotter pin, locked spacer and string wire rope etc.Above anti-loose method practicality also space of components reliable but that need is larger, to some less parts as: the screw of watchband, jewelry chain cannot enter locking in order to upper method.
Summary of the invention
The utility model is intended to overcome anti-loose structure in prior art needs space large, and the defect that widget cannot use provides the screw check position structure in widget that is applicable to of a kind of easy accessibility and safety and firmness.
The screw check position structure that the utility model provides, comprising: screw and be enclosed within least one sleeve pipe of screw outside.
As the optional mode of execution of one, when sleeve pipe is while being multiple, inner sleeve external diameter and outer sleeve internal diameter interference fit, overlapping successively.
As the optional mode of execution of one, sleeve pipe is scalable elastomer, and shape can be polygonal, waveform, or cross section is the inc tubulars such as C shape.
Above-mentioned elastomeric material can be selected from the elastic materials such as stainless steel, copper, alloy, plastic cement.
As the optional mode of execution of one, sleeve pipe two ends arrange horn mouth, can be that splayed shape can be also waveform.
As the optional mode of execution of one, the diameter of the cross section of sleeve pipe is less than the cross-sectional diameter of screw, and sleeve pipe and screw match.
As the optional mode of execution of one, screw comprises the screw ear bar and the first screw that are threaded connection, wherein,
One end of screw ear bar is provided with internal thread, and the other end arranges locating slot, and one end of the first screw is provided with the outside thread corresponding with the internal thread of screw ear bar, and the other end arranges locating slot, and the locking length of screw ear bar and the first screw is less than the length of sleeve pipe.
As the optional mode of execution of one, screw comprises sleeve pipe nut, and the second screw being threaded with sleeve pipe nut and the 3rd screw, wherein,
The two ends of sleeve pipe nut are respectively arranged with the internal thread being connected with the second screw and the 3rd screw;
As the optional mode of execution of one, sleeve pipe nut can be cylindrical or cross section be C shape etc. inc tubular
One end that the second screw is connected with internal thread is provided with the other one end of outside thread locating slot is set;
One end that the 3rd screw thread is connected with internal thread is provided with the other one end of outside thread locating slot is set;
The locking length of the second screw and the 3rd screw and sleeve pipe nut is less than the length of sleeve pipe.
In the utility model, the optional in-line of locating slot, cross, polygonal, quincunx.
As the optional mode of execution of one, sleeve pipe nut is scalable elastomer, but the elastic materials such as material stainless steel, copper, alloy, plastic cement.
As the optional mode of execution of one, locking position structure also comprises: the left side band grain, Intermediate Gray grain and the right band grain that connect with screw, wherein,
Left side band grain is provided with counterbore and through hole, Intermediate Gray grain are provided with through hole, the right band grain is provided with counterbore and through hole.
As the optional mode of execution of one, the shape of through holes of left side band grain and the right band grain can be circle, polygonal, profile of tooth, irregularly shaped.
As the optional mode of execution of one, the counterbore Spielpassung of screw ear bar and left side band grain, with the endoporus interference fit of sleeve pipe; The through hole interference fit of the through hole of the horn mouth of sleeve pipe and left side band grain and the right band grain, coordinates with the via clearance of Intermediate Gray grain; The counterbore Spielpassung of the first screw and the right band grain, with the endoporus interference fit of sleeve pipe, the internal thread of thread and screw ear bar matches.
As the optional mode of execution of one, sleeve pipe nut coordinates with sleeve interference, the counterbore Spielpassung of the second screw and left side band grain, with the endoporus interference fit of sleeve pipe; The through hole interference fit of the through hole of the external diameter of sleeve pipe and left side band grain and the right band grain, coordinates with the via clearance of Intermediate Gray grain; The counterbore Spielpassung of the 3rd screw and the right band grain, with the endoporus interference fit of sleeve pipe, the thread of the second screw and the 3rd thread of screw and the internal thread of sleeve pipe nut match.
Correspondingly, the utility model embodiment also provides a kind of watchband, comprises screw check position structure above.
The utility model embodiment has following beneficial effect, puts sleeve pipe by the outside at screw, can play locking effect to screw, can also further improve anti-loosing effect by putting multiple sleeve pipes.
By sleeve pipe being arranged to scalable elastomer two ends, horn mouth is set, conveniently the outside at screw by casing pipe sleeve.
Because the diameter of the cross section of sleeve pipe is less than the cross-sectional diameter of screw, in the outside of casing pipe sleeve at screw, sleeve pipe is tightened the outside at screw, has further improved anti-loosing effect.
One end by screw ear bar is provided with internal thread, one end of the first screw is provided with the outside thread realization corresponding with the internal thread of screw ear bar and is threaded, when casing pipe sleeve is in the outside of screw ear bar and the first screw, sleeve pipe is tightened the outside at screw ear bar and the first screw, play the locking of relative the first screw of screw ear bar and realized the relative position of lead screw locating slot and the first screw locating slot, play locating effect, can also be by oppositely turning screw ear bar and the first screw simultaneously, the elasticity that overcomes sleeve pipe is back-outed the outside thread of the first screw from the internal thread of screw ear bar, and by the thrust of screw thread, the first screw is ejected to sleeve pipe the first screw is taken out.Sleeve pipe, by spring return green diameter, repeats to pack into the first screw and reaches equally anti-loosing effect.
By screw ear bar, the first screw replaces to sleeve pipe nut, the second screw and the 3rd screw, realize the connection of different length by the length of adjusting sleeve pipe nut, by sleeve pipe nut being arranged to scalable elastomer, sleeve pipe nut minor diameter of internal thread is set and is less than the second screw, the 3rd screw thread external diameter, tighten the second screw by the elasticity of sleeve pipe nut, the 3rd screw plays anti-loosing effect, can also be by putting one or more layers sleeve pipe, the elasticity of sleeve pipe is tightened the second screw simultaneously, sleeve pipe nut, the 3rd screw, further improve locking and realize the relative position of lead screw locating slot and the first screw locating slot, play locating effect.By oppositely turn the second screw and the 3rd screw simultaneously, the elasticity that overcomes sleeve pipe and sleeve pipe nut is back-outed the outside thread of the second screw, the 3rd screw from the internal thread of sleeve pipe nut, and by the thrust of screw thread, the second screw or the 3rd screw is ejected to sleeve pipe by the second screw or the taking-up of the 3rd screw.Sleeve pipe and sleeve pipe nut be by spring return green diameter, repeats to pack into the second screw, the 3rd screw reaches anti-loosing effect equally.Be inserted in sleeve pipe through left side band grain, Intermediate Gray grain and the right band grain by screw ear bar, the first screw penetrates from the right band grain, packs sleeve pipe into and screw ear bar connects to form watchband structure.By left and right band grain is arranged to counterbore, allow screw ear bar and the first spiral shell not exceed left and right band grain table, the outward appearance of having beautified watchband.By the counterbore Spielpassung of screw ear bar and left side band grain is set, the through hole of the external diameter of sleeve pipe and left side band grain, the through hole interference fit of the right band grain, the external diameter of sleeve pipe coordinate with the via clearance of Intermediate Gray grain; The counterbore Spielpassung of the first screw and the right band grain, further make left and right band grain fix with Intermediate Gray grain and can relatively rotate effect with screw ear bar and the first screw position, by fine-adjustment rotary screw ear bar locating slot and the first screw locating slot, the position one that makes locating slot to, further play locating effect.By screw ear bar and the first screw are replaced to the second screw, sleeve pipe nut and the 3rd screw, form the locking position structure of another watchband, can also pass through the length that increases the quantity of Intermediate Gray grain or be with a grain width, change sleeve pipe nut, meet the assembling effect of different in width watchband.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the screw check position structure shown in the utility model embodiment;
Fig. 2 is the modified configuration schematic diagram of the screw check position structure shown in the utility model embodiment;
Fig. 3 is the application state structural representation of structure shown in Fig. 1;
Fig. 4 is the application state structural representation of structure shown in Fig. 2.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
The disclosed screw check position structure of the utility model, is applicable to the locking position structure of tiny parts internal thread, below the embodiment with different is elaborated to locking position structure.
Referring to Fig. 1, is a structural representation of a kind of screw check position structure of the utility model embodiment, comprises screw and is enclosed within a sleeve pipe 5 of screw outside.It should be noted that, in order further to increase locking locating effect, can comprise multiple sleeve pipes 5.Sleeve pipe 5 is scalable elastomers, and the diameter of the cross section of sleeve pipe 5 is slightly less than the cross-sectional diameter of screw, and sleeve pipe 5 arranges horn mouth 25 and easily enters very much sleeve pipe for screw.By the elasticity of sleeve pipe 5, screw is tightened, play locking effect.
Screw comprises the screw ear bar 1 and the first screw 6 that are threaded connection, wherein, one end of screw ear bar 1 is provided with internal thread 7 the other ends locating slot 21 is set, one end of the first screw 6 is provided with outside thread 14 the other ends corresponding with the internal thread 7 of screw ear bar 1 locating slot 22 is set, the locating slot 21 of fine adjustment screw ear bar 1 and the first screw locating slot 22 make locating slot parallel, by the elasticity of sleeve pipe 5, screw ear bar 1 and the first screw are tightened, play locating effect.
Referring to Fig. 2, is the another structural representation of a kind of screw check position structure of the utility model embodiment; From the difference of the position structure of screw check shown in Fig. 1 be: the structure of screw is different, screw check position structure comprises sleeve pipe nut 17 in this embodiment, and the second screw 15 being threaded with sleeve pipe nut 17 and the 3rd screw 19, the two ends of sleeve pipe nut 17 are respectively arranged with the internal thread 18a and the internal thread 18b that are connected with the second screw 15 and the 3rd screw 19.One end that the second screw 15 is connected with internal thread 18a is provided with outside thread 16; One end that the 3rd screw thread 19 is connected with internal thread 18b is provided with outside thread 20.Sleeve pipe nut 17 is scalable elastomers, and its internal diameter is slightly less than the diameter at the outside thread place of the second screw 15 and the 3rd screw 19, and this structure makes the associativity of screw itself more firm.In addition, the external diameter of the second screw 15, the 3rd screw 19 and sleeve pipe nut 17 is slightly larger than the internal diameter of sleeve pipe 5.Because sleeve pipe 5 has elasticity, the second screw 15, the 3rd screw 19 and sleeve pipe nut 17 are tightened, play the effect of locking location.
Refer to Fig. 3, Fig. 3 is the structural representation that comprises another screw check position structure of structure shown in Fig. 1.This screw check position structure comprises: the left side band grain 2, Intermediate Gray grain 3 and the right band grain 4 that connect with screw check position structure shown in Fig. 1.Wherein, left side band grain 2 is provided with counterbore 8 and through hole 9, Intermediate Gray grain 3 are provided with through hole 10, the right band grain 4 is provided with counterbore 12 and through hole 11.
It should be noted that, screw ear bar 1 and counterbore 8 Spielpassung of left side band grain 2, with endoporus 13 interference fit of sleeve pipe 5; Horn mouth 25 and the through hole 9 of left side band grain 2 and through hole 11 interference fit of the right band grain 4 of sleeve pipe 5, through hole 10 Spielpassung of the external diameter of sleeve pipe 5 and Intermediate Gray grain 3; The first screw 6 and counterbore 12 Spielpassung of the right band grain 4, with endoporus 13 interference fit of sleeve pipe 5, thread 14 is screwed into the internal thread 7 of screw ear bar 1.
When concrete assembling, screw ear bar 1 is pressed into the interior interference fit of sleeve pipe 5, penetrate successively left side band grain 2, the through hole of Intermediate Gray grain 3 and the right band grain 4, counterbore 8 Spielpassung of screw ear bar 1 and left side band grain 2, the through hole 9 of sleeve pipe 5 and left side band grain 2, the through hole 10 of Intermediate Gray grain 3, the through hole 11 of the right band grain 4 is also Spielpassung, the first screw 6 is penetrated and is pressed into the endoporus 13 of sleeve pipe 5 interference fit with it from the through hole 11 of the right band grain 4, the first screw 6 and the right band grain 4 Spielpassung, the thread of the first screw 6 14 is screwed into the interior screw-threaded coupling of also passing through with it of internal thread 7 of screw ear bar 1, fine adjustment screw ear bar 1 and the first screw 6, make the locating slot 21 of screw ear bar 1 and the locating slot of the first screw 6 22 direction positions one to, above step completes the assembling of screw check position structure.
Refer to Fig. 4, Fig. 4 is the structural representation that comprises another screw check position structure of structure shown in Fig. 2.From the difference of structure shown in Fig. 3 be: the structure of screw is different, wherein the structure of screw as shown in Figure 2, here repeats no more.
When concrete assembling, the outside thread of the second screw 15 16 is screwed into the internal thread 18a of sleeve pipe spiral shell nut 17, sleeve pipe 5 is enclosed within on sleeve pipe nut 17 and the second screw 15 and interference fit with it, penetrate successively left side band grain 2, the through hole of Intermediate Gray grain 3 and the right band grain 4, counterbore 8 Spielpassung of the second screw 15 and left side band grain 2, sleeve pipe 5 horn mouths 25 and the through hole 9 of left side band grain 2 and through hole 11 interference fit of the right band grain 4, through hole 10 Spielpassung of the external diameter of sleeve pipe 5 and Intermediate Gray grain 3, the 3rd screw 19 is penetrated and is pressed into the endoporus 13 of sleeve pipe 5 interference fit with it from the through hole 11 of the right band grain 4, the 3rd screw 19 and the right band grain 4 Spielpassung, the outside thread of the 3rd screw 19 20 be screwed in the internal thread 18b of sleeve pipe nut 17 and pass through with it screw-threaded coupling, finely tune the second screw 15 and the 3rd screw 19, make the locating slot 23 of the second screw 15 and the locating slot of the 3rd screw 19 24 direction positions one to, above step completes the assembling of screw check position structure.
It should be noted that, above-described embodiment can be used on the watchband of wrist-watch, by using the screw check position structure of said structure can improve the locking of screw in watchband and screw locating slot direction is played to locating effect, and this technological scheme is simple in structure, is suitable on the widgets such as watchband.
Technology contents of the present utility model and technical characteristics have disclosed as above; but those of ordinary skill in the art still may be based on teaching of the present utility model and announcements and are done all replacement and modifications that does not deviate from the utility model spirit; therefore; the utility model protection domain should be not limited to the content that embodiment discloses; and should comprise various do not deviate from replacement of the present utility model and modifications, and contained by present patent application claim.
Claims (1)
1. a screw check position structure, it is characterized in that, comprise: screw and be enclosed within least one sleeve pipe (5) of described screw outside, described sleeve pipe (5) is scalable elastomer, the diameter of the cross section of described sleeve pipe (5) is less than the cross-sectional diameter of described screw, described sleeve pipe and described screw match, and sleeve pipe two ends arrange horn mouth (25).
2. screw check position structure according to claim 1, is characterized in that, described screw comprises the screw ear bar (1) and the first screw (6) that are threaded connection, wherein,
One end of described screw ear bar (1) is provided with internal thread (7), and one end of described the first screw (6) is provided with the outside thread (14) corresponding with the internal thread (7) of described screw ear bar (1);
Described screw ear bar (1) arranges locating slot (21);
Described the first screw (6) arranges locating slot (22);
The locking length of described screw ear bar (1) and the first screw (6) is less than the length of sleeve pipe (5).
3. will remove the screw check position structure described in 1 according to right, it is characterized in that, described screw comprises sleeve pipe nut (17), and the second screw (15) being threaded with described sleeve pipe nut (17) and the 3rd screw (19), wherein,
The two ends of described sleeve pipe nut (17) are respectively arranged with the internal thread (18a) and the internal thread (18b) that are connected with described the second screw (15) and the 3rd screw (19);
One end that described the second screw (15) is connected with described internal thread (18a) is provided with outside thread (16);
One end that described the 3rd screw thread (19) is connected with described internal thread (18b) is provided with outside thread (20).
Described the second screw (15) arranges locating slot (23);
Described the 3rd screw (19) arranges locating slot (24),
The locking length of described the second screw (15) and the 3rd screw (19) and sleeve pipe nut (17) is less than the length of sleeve pipe (5).
4. screw check position structure according to claim 3, is characterized in that, described sleeve pipe nut (17) is scalable elastomer.
5. according to the screw check position structure described in claim 2 or 3, it is characterized in that, with screw connection left side band grain (2), Intermediate Gray grain (3) and the right band grain (4), wherein,
Described left side band grain (2) is provided with counterbore (8) and through hole (9), Intermediate Gray grain (3) are provided with through hole (10), the right band grain (4) is provided with counterbore (12) and through hole (11).
6. according to the screw check position structure described in claim 1-5, it is characterized in that: counterbore (8) Spielpassung of described screw ear bar (1) and described left side band grain (2), with endoporus (13) interference fit of described sleeve pipe (5); Through hole (11) interference fit of the through hole (9) of the external diameter of described sleeve pipe (5) and described left side band grain (2) and the right band grain (4), with through hole (10) Spielpassung of described Intermediate Gray grain (3); Counterbore (12) Spielpassung of described the first screw (6) and described the right band grain (4), with endoporus (13) interference fit of described sleeve pipe (5), described outside thread (14) matches with described internal thread (7).
7. according to the screw check position structure described in claim 1-5, it is characterized in that: endoporus (13) interference fit of described sleeve pipe nut (17) and described sleeve pipe (5); Through hole (11) interference fit of the through hole (9) of the external diameter of described sleeve pipe (5) and described left side band grain (2) and the right band grain (4), with through hole (10) Spielpassung of described Intermediate Gray grain (3); Counterbore (8) Spielpassung of described the second screw (15) and described left side band grain (2), with endoporus (13) interference fit of described sleeve pipe (5); Counterbore (12) Spielpassung of described the 3rd screw (19) and described the right band grain (4), with endoporus (13) interference fit of described sleeve pipe (5), described outside thread (16) matches with described internal thread (18a), and outside thread (20) matches with described internal thread (18b).
8. a watchband, is characterized in that, except all authority claim 5 requires described screw check position structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005473.6U CN203809479U (en) | 2014-01-06 | 2014-01-06 | Screw anti-loose positioning structure and watchband |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005473.6U CN203809479U (en) | 2014-01-06 | 2014-01-06 | Screw anti-loose positioning structure and watchband |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203809479U true CN203809479U (en) | 2014-09-03 |
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ID=51448236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420005473.6U Expired - Fee Related CN203809479U (en) | 2014-01-06 | 2014-01-06 | Screw anti-loose positioning structure and watchband |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203809479U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763727A (en) * | 2014-01-06 | 2015-07-08 | 董志刚 | Screw anti-loosening and locating structure and watch strap |
| CN105090217A (en) * | 2015-09-28 | 2015-11-25 | 太仓斯普宁精密机械有限公司 | Anti-theft and falling-resistant screw |
-
2014
- 2014-01-06 CN CN201420005473.6U patent/CN203809479U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763727A (en) * | 2014-01-06 | 2015-07-08 | 董志刚 | Screw anti-loosening and locating structure and watch strap |
| CN105090217A (en) * | 2015-09-28 | 2015-11-25 | 太仓斯普宁精密机械有限公司 | Anti-theft and falling-resistant screw |
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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: 20140903 Termination date: 20210106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |