CN103742509A - Thread fixing structure - Google Patents
Thread fixing structure Download PDFInfo
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- CN103742509A CN103742509A CN201310750569.5A CN201310750569A CN103742509A CN 103742509 A CN103742509 A CN 103742509A CN 201310750569 A CN201310750569 A CN 201310750569A CN 103742509 A CN103742509 A CN 103742509A
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- screw
- thread
- thread section
- locating piece
- fixing structure
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Abstract
The invention relates to a thread fixing structure. The thread fixing structure comprises screws and a column-shaped positioning part which is connected with the screws; N groups of vertical penetration holes which can be inserted through the screws are formed from the upper end surface to the lower end surface of the positioning part; part of the penetration holes are provided with threaded sections which are connected with the screws; at least part of the penetration holes except the threaded sections extend to the excircle surface of the positioning part until being exposed to the excircle surface of the positioning part to form into bolt grooves. Compared with the prior art, the accumulative error generated when the threaded sections tap is reduced due to shortening of the length of the threaded sections to improve the matching accuracy of integral threaded sections and the screws; when the screws screw into the threaded sections, the screw grooves can play a role in relaxing screwing in and screwing out of the screws, so that the screws can easily screw into and screw out of the threaded sections, the screws are avoided from being blocked when screw into or screw out of the threaded sections, and the yield of integral products is guaranteed.
Description
Technical field
The present invention relates to a kind of fixed structure, particularly a kind ofly by screw, by during relevant, be arranged on the thread fixing structure on attachment face.
Background technique
Screw thread is fixedly connected with, and as the conventional mode that is fixedly connected with, due to simple in structure, the soundness after connection is good, thus be widely used always with the assembling of various mechanisms in.Such as on the product of electronic peephole viewer, because Men Nei and two parts outdoors need to be fixed by opal body.So common means of fixation is all to adopt screw and screw thread to be fixed.But due to the variable thickness of door, so screw need to be considered the thick compatibility of door and can freely screw in very on a large scale back-out.
Current, screw and opal body fit system are as shown in Figure 1, the tapped hole being connected with screw due to opal body is to form by lathe tapping, because the length of tapped hole is longer, so in the process of tapping, can produce certain cumulative error, and along with the increase error of tapped hole length can be increasing, thereby make tapped hole and screw cannot carry out effective adaptation, cannot connect, as shown in Figure 3.In addition under the impact of tapped hole length, in tapping process, be easy to metal fillings to remain in thread groove, cause when being connected with screw, screw screws in tapped hole can become very effort, sometimes screw just cannot continue to screw in after only screwing in sub-fraction again, even sometimes also can make it screw out, cause whole screw stuck in tapped hole, thereby cause the damage of thread fixing structure.On existing product, with regard to usually, because screw cannot be screwed into or be screwed into difficulty and cause a large amount of problems after sale, badly influence the quality of product.
Summary of the invention
The object of the present invention is to provide a kind of thread fixing structure, can reduce the cumulative error that tapped hole produces when tapping, and reduced the resistance of screw when screwing in or screw out thread section simultaneously, avoided screw when screwing in or screw out thread section, to occur stuck phenomenon.
To achieve these goals, the present invention has designed a kind of thread fixing structure, the cylindricality locating piece that comprises screw, is connected with described screw, the upper-end surface of described locating piece is until the vertical penetration hole that N group can be inserted by described screw is offered in the lower end surface of described locating piece, and wherein said N is natural number;
Described penetration hole has part to form the thread section being connected with described screw, and described penetration hole has at least part to extend until be exposed to the outer round surface of described locating piece and form screw slots to the outer round surface of described locating piece except thread section.
Embodiments of the present invention in terms of existing technologies, due to the whole penetration hole thread section that only some formation can be connected with screw of locating piece, hence one can see that, the length of whole thread section (being tapped hole) is shortened greatly, by this kind of mode, reduce the cumulative error that thread section produces when the tapping, the precision while improving whole thread section and screw fit with this.In addition, in the time of in screw screws in thread section, because having part at least, extends to the cylindrical of locating piece the penetration hole except thread section, until be exposed to the outer round surface of locating piece, form screw slots, by screw slots, can play certain effect of loosening to the screw-in of screw and back-out, thereby make screw in thread section, to screw in easily and to screw out, avoid screw to occur stuck phenomenon during thread section screwing in or screw out, with this, guarantee the yield of whole product.In addition, the metal filings that thread section produces when tapping also can effectively be discharged by screw slots, it can not be remained in the thread groove of thread section, thereby the resistance when further having reduced screw screw-in or having screwed out thread section is more conducive to screw-in and the back-out of screw.
Wherein, in order to meet assembling demand, described penetration hole can be offered one group or offer two groups, and staff can select according to actual assembling demand.And in described penetration hole, described thread section is positioned at the arbitrary position of described screw slots top.Hence one can see that, in actual course of working, as long as guarantee that thread section is positioned at the top of screw slots, can guarantee to enter after screw slots through thread section when the end of screw, by screw slots, can loosen the screw-in of screw, thereby avoid screw when screwing in thread section, to occur stuck phenomenon.And, because screw slots are below thread section, so can guarantee that the metal filings that thread section produces when tapping can discharge in screw slots, avoid metal filings to remain in the thread groove of thread section, affect screw-in and the back-out of screw.
Wherein, the length of described thread section is greater than 1mm, and is less than the length of described screw.
Further, the entrance of described thread section is the import of described penetration hole in described locating piece upper-end surface.Hence one can see that, because the entrance of thread section is provided with on the upper-end surface of locating piece, thereby make when screw is when being connected with the thread section of penetration hole, avoid screw, when screwing in thread section, deviation occurs, to guarantee that whole screw vertically enters in the penetration hole of locating piece.And after in the thread section of screw screw-in penetration hole, can avoid the upper end portion of screw to occur unsettled phenomenon, with this, strengthen the integral rigidity after screw is connected with thread section.
Further, described screw slots are positioned at the below of described thread section, and the outlet of described screw slots terminates in the lower end surface of described locating piece.Because the outlet of screw slots terminates in the lower end surface of locating piece, hence one can see that, whole screw slots are directly to lead to locating piece bottom, thereby extended to greatest extent the length of screw slots, prevent that screw end is through stressed pretension again after screw slots, further reduce the resistance of screw when screwing in thread section, and improved the chip removal ability of thread section when tapping.
Further, described thread section is connected with described screw slots.Because thread section is connected with screw slots, thereby can directly entering screw slots after by thread section, the end that makes screw loosens, be more conducive to the screw-in of screw.And the metal filings that thread section produces when tapping can directly enter screw slots, discharge, further improved the discharge capacity of screw slots, avoided a small amount of metal filings also to remain in penetration hole, affect the assembly performance of screw and penetration hole thread section.
Further, the length of described thread section is less than the length of described screw slots.Because the length of thread section is less than the length of screw slots, thereby reduced to greatest extent the cumulative error that thread section produces when tapping, and reduced to greatest extent resistance when screw screws in thread section, and improved to greatest extent the chip removal ability of screw slots.
In addition, the lower end surface of described locating piece can form a disk body, and described disk body and described locating piece together form opal body.Thereby make the structure of the similar opal body of whole locating piece, in actual assembly process, cylindricality locating piece can be inserted in the opal hole of door, and by disk body be fixed on door rear side, thereby realize the installation of whole opal body, further make thread fixing structure of the present invention there is application scenarios widely.
And, in order to meet assembling demand, the shape of described cylindricality locating piece can with the shape in opal hole, can adopt cylindric or flat column structure.
In addition, in order to meet assembling demand, the shape of above-mentioned cylindricality locating piece 5 can match with the shape in opal hole, can adopt cylindric or flat column structure.In actual course of working, staff can select according to actual assembling demand.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing thread fixing structure;
Fig. 2 is the cut-away view of locating piece in existing thread fixing structure;
Fig. 3 is the schematic diagram when outside thread of screw and the internal thread of locating piece are connected in existing thread fixing structure;
Fig. 4 is the schematic diagram of the thread fixing structure of first embodiment of the invention;
Fig. 5 is the cut-away view of locating piece in the thread fixing structure of first embodiment of the invention;
Fig. 6 is the side view of Fig. 4;
Fig. 7 is the plan view of Fig. 4;
Fig. 8 is the cut-away view of locating piece in the thread fixing structure of third embodiment of the invention;
Fig. 9 is the structural representation of locating piece in the thread fixing structure of four embodiment of the invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the embodiments of the present invention are explained in detail.But, persons of ordinary skill in the art may appreciate that in the each mode of execution of the present invention, in order to make reader understand the application better, many ins and outs have been proposed.But, even without these ins and outs and the many variations based on following mode of execution and modification, also can realize the each claim of the application technological scheme required for protection.
As depicted in figs. 1 and 2, for existing thread fixing structure, wherein, the tapped hole 2 of locating piece 1 is for adopting the design of Full Thread FT, so to locating 1 tapped hole 2 while carrying out tapping, because tapped hole 2 is to form by lathe tapping, because the length of tapped hole 2 is longer, so can produce certain cumulative error in the process of tapping, and along with the increase of tapped hole length, cause its error can be increasing, thereby make when screw 3 is connected with tapped hole 2, both cannot carry out effective adaptation, the outside thread 10 of screw 3 cannot effectively be connected with the internal thread of tapped hole 2 11, as shown in Figure 3.
In addition, under the impact of tapped hole length, whole tapped hole 2 is easy to metal fillings to remain in thread groove in tapping process, while causing screw to be that tapped hole is connected, screw can become very effort while screwing in tapped hole, and screw just cannot continue to screw in after only screwing in sub-fraction more sometimes, even sometimes also can make it screw out, cause whole screw 3 stuck in tapped hole 2, thereby cause the damage of whole thread fixing structure.At present on existing product, with regard to usually, because screw 3 cannot be screwed into or be screwed into difficulty and cause a large amount of reject rate, have a strong impact on the quality of product.
The first mode of execution of the present invention relates to a kind of thread fixing structure, as shown in Figure 4, and the cylindricality locating piece 5 that comprises screw 4, is connected with screw 4.
Specifically, the upper-end surface of locating piece 5 is until the many groups of vertical penetration holes 6 that can be inserted by screw 4 are offered in the lower end surface of locating piece 5, and in the present embodiment, penetration hole 6 offers two groups.
Wherein, as shown in Figures 5 to 7, penetration hole 6 has part to form the thread section 7 being connected with screw 4, and penetration hole 6 has at least part to extend to the outer round surface of locating piece 5 until be exposed to the outer round surface of locating piece 5 except thread section 7, form the screw slots 8 of being convenient to screw 4 and screwing in or screw out thread section 7.
From above-mentioned mode of execution, the thread section 7 that can be connected with screw 4 due to 6 some formation of whole penetration hole of locating piece 5, hence one can see that, the length of whole thread section 7 (being tapped hole) is shortened greatly, by this kind of mode, reduce the cumulative error that thread section produces when the tapping, the precision when improving whole thread section 7 and coordinate with screw 4 with this.In addition, at screw 4, screw in thread section 7 when interior, because the penetration hole of locating beyond thread section 7 has at least part to extend to the cylindrical of locating piece 5, until be exposed to the outer round surface of locating piece 5, form screw slots 8, by screw slots 8, can play certain effect of loosening to the screw-in of screw 4 and back-out, thereby make screw 4 in thread section 7, to screw in and to screw out easily, avoid screw 4 to occur stuck phenomenon during thread section screwing in or screw out, with this, guarantee the yield of whole product.In addition, the metal filings that thread section 7 produces when tapping also can effectively be discharged by screw slots 8, it can not be remained in the thread groove of thread section 7, thereby the resistance when further having reduced screw screw-in or having screwed out thread section is more conducive to screw-in and the back-out of screw 4.
Be worth mentioning, in penetration hole 6, thread section 7 is positioned at the arbitrary position of screw slots 8 tops.Hence one can see that, in actual course of working, as long as guarantee that thread section 7 is positioned at the top of screw slots 8, can guarantee to enter after screw slots 8 through thread section 7 when the end of screw 4, by screw slots 8, can loosen the screw-in of screw 4, thereby avoid screw 4 when screwing in thread section 7, to occur stuck phenomenon.And, because screw slots are below thread section, so the metal filings that thread section produces when tapping can be discharged in screw slots, avoid metal filings to remain in the thread groove of thread section 7, affect screw-in and the back-out of screw.
Wherein, the length of thread section 7 is greater than 1mm, and is less than the length of screw 4.And, the various matching requirements while being connected with thread section 7 in order to meet screw 4, the outside thread of the internal thread of thread section 7 and screw 4 can adopt V thread screw, straight pipe thread or square threaded form.In actual course of working, staff can select according to actual assembling demand.
The second mode of execution of the present invention relates to a kind of thread fixing structure, and the second mode of execution is on the basis of the first mode of execution, to have done further improvement, and it mainly improves and be: in the present embodiment, penetration hole 6 is interior can form two groups of screw slots 8.Wherein, thread section 7 is between two groups of screw slots 8.
Hence one can see that, and because the above and below of thread section 7 is respectively equipped with screw slots 8, thereby the resistance while further having reduced that screw 4 screws in thread section 7 is more conducive to screw-in and the back-out of screw 4.
The 3rd mode of execution of the present invention relates to a kind of thread fixing structure, the 3rd mode of execution is on the basis of the first mode of execution, to have done further improvement, it mainly improves and is: as shown in Figure 8, in the present embodiment, the entrance of thread section 7 is the import of penetration hole 6 in locating piece 5 upper-end surfaces, and whole thread section 7 is the initial segment of penetration hole 6.
Hence one can see that, because the entrance of thread section 6 has been arranged on the upper-end surface of locating piece 5, thereby make when screw is when being connected with the thread section of penetration hole, can avoid screw, when screwing in thread section, deviation occurs, to guarantee that whole screw 4 vertically enters in the penetration hole 6 of locating piece 5.And after in the thread section of screw screw-in penetration hole, can avoid the upper end portion of screw to occur unsettled phenomenon, with this, strengthen the integral rigidity after screw 4 is connected with thread section 7.
And, in the present embodiment, screw slots 8 are the belows that are positioned at thread section 7, the outlet of screw slots 8 is the lower end surfaces that terminate in locating piece 5, and hence one can see that, and whole screw slots 8 are directly to lead to locating piece bottom, thereby extended to greatest extent the length of screw slots 8, the end that prevents screw 4 is through stressed pretension again after screw slots 8, further reduced screw 4 screwing in the resistance of thread section 7 when interior, and improved the chip removal ability of thread section when tapping.
In addition, it is worth mentioning that, as shown in Figure 7, in the present embodiment, thread section 7 is connected with screw slots 8.Because both are connected, thereby can directly entering screw slots 8 after by thread section 7, the end that makes screw 4 loosens, be more conducive to the screw-in of screw 4.And can directly entering screw slots 8, the metal filings that thread section 7 produces when tapping discharges, further improved the discharge capacity of screw slots, avoid thread section 7 after tapping, there is a small amount of metal filings also to remain in penetration hole 6, affect the assembly performance of screw 4 and penetration hole 6 thread sections 7.
And in the present embodiment, the length of thread section 7 is less than the length of screw slots 8.Thereby reduced to greatest extent the cumulative error that thread section produces when tapping, and reduced to greatest extent screw 4 and screw in the resistance of thread section 7 when interior, and improved to greatest extent the chip removal ability of screw slots.
The 4th mode of execution of the present invention relates to a kind of thread fixing structure, the 4th mode of execution is on the basis of the first mode of execution, to have done further improvement, it mainly improves and is: in the present embodiment, as shown in Figure 9, the lower end surface of locating piece 5 can form a disk body 9, and this disk body 9 together forms opal body with locating piece 5.
From above content, because the lower end surface of locating piece 5 forms a disk body 9, thereby make the structure of the similar opal body of whole locating piece, in actual assembly process, cylindricality locating piece 5 can be inserted in the opal hole of door, and disk body 9 is fixed on to the rear side of door, thus realize the installation of whole opal body, further make thread fixing structure of the present invention there is application scenarios widely.
And in order to meet assembling demand, the shape of above-mentioned cylindricality locating piece 5 can match with the shape in opal hole, can adopt cylindric or flat column structure.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above are to realize specific embodiments of the invention, and in actual applications, can to it, do various changes in the form and details, and without departing from the spirit and scope of the present invention.
Claims (11)
1. a thread fixing structure, the cylindricality locating piece that comprises screw, is connected with described screw, it is characterized in that: the upper-end surface of described locating piece is until the vertical penetration hole that N group can be inserted by described screw is offered in the lower end surface of described locating piece, and wherein said N is natural number;
Described penetration hole has part to form the thread section being connected with described screw, and described penetration hole has at least part to extend until be exposed to the outer round surface of described locating piece and form screw slots to the outer round surface of described locating piece except thread section.
2. thread fixing structure according to claim 1, is characterized in that: described N is 1 or 2.
3. thread fixing structure according to claim 1, is characterized in that: the length of described thread section is greater than 1mm, and is less than the length of described screw.
4. thread fixing structure according to claim 1, is characterized in that: in described penetration hole, described thread section is positioned at the arbitrary position of described screw slots top.
5. thread fixing structure according to claim 1, is characterized in that: the entrance of described thread section is the import of described penetration hole in described locating piece upper-end surface.
6. thread fixing structure according to claim 1, is characterized in that: described screw slots are positioned at the below of described thread section, and the outlet of described screw slots terminates in the lower end surface of described locating piece.
7. thread fixing structure according to claim 1, is characterized in that: described thread section is connected with described screw slots.
8. thread fixing structure according to claim 1, is characterized in that: the length of described thread section is less than the length of described screw slots.
9. thread fixing structure according to claim 1, is characterized in that: the lower end surface of described locating piece forms disk body, and described disk body and described locating piece together form opal body.
10. according to the thread fixing structure described in any one in claim 1 to 9, it is characterized in that: described cylindricality locating piece is cylindric or flat column.
11. according to the thread fixing structure described in any one in claim 1 to 9, it is characterized in that: the internal thread of described thread section and the outside thread of described screw are V thread screw, straight pipe thread or square threaded form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750569.5A CN103742509B (en) | 2013-12-31 | 2013-12-31 | Thread fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750569.5A CN103742509B (en) | 2013-12-31 | 2013-12-31 | Thread fixing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103742509A true CN103742509A (en) | 2014-04-23 |
| CN103742509B CN103742509B (en) | 2017-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310750569.5A Active CN103742509B (en) | 2013-12-31 | 2013-12-31 | Thread fixing structure |
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| CN (1) | CN103742509B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682596A (en) * | 2018-06-05 | 2018-10-19 | 河南森源电气股份有限公司 | Connect busbar and the dc circuit breaker using the busbar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2812335A1 (en) * | 2000-07-27 | 2002-02-01 | Pentaq | Door peephole comprises metal spacer insert with flange supported on door internal face and passed through by eyepiece, tubular body screwed in insert containing lenses and thermal plug |
| CN201034008Y (en) * | 2007-05-21 | 2008-03-12 | 张瑞 | Anti-theft gate one-way visible opal |
| CN201943543U (en) * | 2011-01-24 | 2011-08-24 | 王永厂 | Connector of electronic peephole |
| CN202261535U (en) * | 2011-09-05 | 2012-05-30 | 无锡吉永电子科技有限公司 | Electronic peephole viewer camera |
| CN202300108U (en) * | 2011-10-14 | 2012-07-04 | 无锡吉永电子科技有限公司 | Camera for electronic peephole viewer |
| CN203308355U (en) * | 2013-05-31 | 2013-11-27 | 张武彬 | Door hole device of video door mirror |
| CN203670422U (en) * | 2013-12-31 | 2014-06-25 | 移康智能科技(上海)有限公司 | Thread screw fixing structure |
-
2013
- 2013-12-31 CN CN201310750569.5A patent/CN103742509B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2812335A1 (en) * | 2000-07-27 | 2002-02-01 | Pentaq | Door peephole comprises metal spacer insert with flange supported on door internal face and passed through by eyepiece, tubular body screwed in insert containing lenses and thermal plug |
| CN201034008Y (en) * | 2007-05-21 | 2008-03-12 | 张瑞 | Anti-theft gate one-way visible opal |
| CN201943543U (en) * | 2011-01-24 | 2011-08-24 | 王永厂 | Connector of electronic peephole |
| CN202261535U (en) * | 2011-09-05 | 2012-05-30 | 无锡吉永电子科技有限公司 | Electronic peephole viewer camera |
| CN202300108U (en) * | 2011-10-14 | 2012-07-04 | 无锡吉永电子科技有限公司 | Camera for electronic peephole viewer |
| CN203308355U (en) * | 2013-05-31 | 2013-11-27 | 张武彬 | Door hole device of video door mirror |
| CN203670422U (en) * | 2013-12-31 | 2014-06-25 | 移康智能科技(上海)有限公司 | Thread screw fixing structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682596A (en) * | 2018-06-05 | 2018-10-19 | 河南森源电气股份有限公司 | Connect busbar and the dc circuit breaker using the busbar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103742509B (en) | 2017-02-08 |
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Address after: 200241 room A2110, building, No. 555 Dongchuan Road, Shanghai, China Applicant after: Mobile Intelligent Technology (Shanghai) Limited by Share Ltd Address before: 200241 room A2110, building, No. 555 Dongchuan Road, Shanghai, China Applicant before: Eques Technology (Shanghai) Co., Ltd. |
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Denomination of invention: Screwing structure Effective date of registration: 20190919 Granted publication date: 20170208 Pledgee: Minhang Branch of Shanghai Rural Commercial Bank Co., Ltd. Pledgor: Mobile Intelligent Technology (Shanghai) Limited by Share Ltd Registration number: Y2019310000017 |
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