CN103742509B - Thread fixing structure - Google Patents
Thread fixing structure Download PDFInfo
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- CN103742509B CN103742509B CN201310750569.5A CN201310750569A CN103742509B CN 103742509 B CN103742509 B CN 103742509B CN 201310750569 A CN201310750569 A CN 201310750569A CN 103742509 B CN103742509 B CN 103742509B
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- screw
- thread
- keeper
- fixing structure
- thread segment
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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 outer edge surface of the positioning part until being exposed to the outer edge 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 to one kind, peace is arranged on by during correlation by screw
Thread fixing structure on dress face.
Background technology
Be screwed connection, is fixedly connected mode as conventional, because structure is simple, the jail after connection
Solidity is good, thus be widely used always with the assembling of various mechanisms in.Such as the product in electronic peephole viewer
On product, because Men Nei and two parts outdoors need to be fixed by opal body.So generally
Fixed form be all to be fixed using screw and screw thread.But the variable thickness due to door, so, spiral shell
Nail needs to consider the compatibility of door thickness and can freely screw in back-out in very wide range.
Currently, screw and opal body fits mode are as shown in figure 1, because opal body and screw are carried out even
The screwed hole connecing is to be formed by lathe tapping, because the length of screwed hole is longer, so the process in tapping
Middle can produce certain accumulated error, and the increase error with screw thread hole length can be increasing, thus
Screwed hole is made to cannot be carried out effectively being adapted to it is impossible to be attached with screw, as shown in Figure 3.In addition in spiral shell
Under the influence of pit length, be easy to remain in metal fillings in thread groove in tapping process, lead to
When screw is connected, screw screws in screw thread in the hole can become very laborious, and screw only screws in one sometimes
Just cannot be further continued for after fraction screwing in, or even it sometimes also can be made cannot to screw out, lead to whole screw stuck
In screw thread in the hole, thus causing the damage of thread fixing structure.On existing product, just usually because spiral shell
Nail cannot be screwed into or be screwed into difficulty and lead to substantial amounts of problem after sale, badly influence the quality of product.
Content of the invention
It is an object of the invention to provide a kind of thread fixing structure, it is possible to reduce screwed hole produces in tapping
Raw accumulated error, and reduce the resistance when being threaded in or out thread segment for the screw simultaneously, it is to avoid spiral shell
Stuck phenomenon when being threaded in or out thread segment in nail.
To achieve these goals, the present invention devises a kind of thread fixing structure, comprise screw with described
The cylindricality keeper of mode connects for screw, the upper surface of described keeper is until the lower surface of described keeper opens up N
The vertical through hole that group can be inserted by described screw, wherein said N is natural number；
Described through hole has the thread segment that part formation is attached with described screw, and described through hole removes thread segment
At least part carries out extending up to be exposed to the outer of described keeper to the outer fringe surface of described keeper in addition
Edge surface forms screw slots.
In terms of existing technologies, the whole through hole due to keeper only has one to embodiments of the present invention
Divide and form the thread segment being attached with screw, it follows that whole thread segment (i.e. screwed hole)
Length is considerably reduced, and reduces thread segment produced accumulated error in tapping by this kind of mode, with
This improves whole thread segment and precision during screw fit.In addition, when screw screws in thread segment, due to
Through hole in addition to thread segment at least part is extended to the cylindrical of keeper, until being exposed to positioning
The outer fringe surface of part forms screw slots, can play certain loosening to the screw-in of screw and back-out by screw slots
Effect, so that screw easily can be screwed in thread segment and be screwed out, it is to avoid screw is screwing in
Or when screwing out thread segment, stuck phenomenon occurs, the yield of whole product is ensured with this.In addition, thread segment exists
During tapping, produced metal filings also effectively can be discharged by screw slots so as to spiral shell will not be remained in
In the thread groove of line section, thus further reducing the resistance that screw is threaded in or out during thread segment, more favorably
Screw-in and back-out in screw.
Wherein, in order to meet assembling demand, described through hole can open up one group or open up two groups, staff
Can be selected according to actual assembling demand.And, run through in the hole described, described thread segment is located at institute
State the optional position above screw slots.It follows that in actual process, as long as ensureing thread segment
Top positioned at screw slots, you can ensure after the end of screw passes through thread segment to enter screw slots, by spiral shell
Nail groove can loosen to the screw-in of screw, thus avoiding screw stuck phenomenon when screwing in thread segment.
And, because screw slots are in the lower section of thread segment, so thread segment produced metal in tapping can be ensured
Bits end can be discharged in screw slots, it is to avoid metal filings remain in the thread groove of thread segment, impact screw
Screw in and screw out.
Wherein, the length of described thread segment is more than 1mm, and the length less than described screw.
Further, the entrance of described thread segment is the import in described keeper upper surface for the described through hole.By
This understand, the entrance due to thread segment is provided with the upper surface of keeper so that when screw with
When the thread segment of through hole is attached, it is to avoid screw occurs deviation when screwing in thread segment, whole to ensure
What individual screw entered vertically into keeper runs through in the hole.And after screw screws in the thread segment of through hole, can
Hanging phenomenon in the upper end avoiding screw, strengthens the integral rigidity after screw is connected with thread segment with this.
Further, described screw slots are located at the lower section of described thread segment, and the outlet of described screw slots terminates in institute
State the lower surface of keeper.Because the outlet of screw slots terminates in the lower surface of keeper, it follows that whole
Individual screw slots are directly communicated to keeper bottom, thus extending the length of screw slots to greatest extent, prevent
Screw end, in the stress pretension again through after screw slots, further reduces screw when screwing in thread segment
Resistance, and improve the chip removal ability in tapping for the thread segment.
Further, described thread segment is connected with described screw slots.Because thread segment is to be connected with screw slots,
So that the end of screw is loosened can be directly entered screw slots after thread segment, it is more beneficial for spiral shell
The screw-in of nail.And thread segment produced metal filings in tapping can be directly entered screw slots and discharge,
Further increase the discharge capacity of screw slots, it is to avoid have a small amount of metal filings also to remain in and run through in the hole, shadow
Ring the assembly performance of screw and through hole thread segment.
Further, the length of described thread segment is less than the length of described screw slots.Because the length of thread segment is little
In the length of screw slots, thus reducing thread segment produced accumulated error in tapping to greatest extent, and
And resistance when reducing to greatest extent in screw screw-in thread segment, and improve screw slots to greatest extent
Chip removal ability.
In addition, the lower surface of described keeper can form a disk body, described disk body is with described keeper together
Constitute opal body.So that whole keeper is similar to the construction of an opal body, in actual assembling
During, cylindricality keeper can be inserted the opal in the hole of door, and disk body is fixed on the rear side of door, thus
Realize the installation of whole opal body, further such that the thread fixing structure of the present invention has widely should
Use scene.
And, in order to meet assembling demand, the shape of described cylindricality keeper can be able to be adopted with the shape in opal hole
With cylindric or flat column structure.
In addition, in order to meet assembling demand, the shape of above-mentioned cylindricality keeper 5 can be with the shape phase in opal hole
Coupling, can adopt cylindric or flat column structure.In actual process, staff can be according to reality
The assembling demand on border is selected.
Brief description
Fig. 1 is the schematic diagram of existing thread fixing structure；
Fig. 2 is the cut-away view of keeper in existing thread fixing structure；
Fig. 3 is the showing when external screw thread of screw is connected with the internal thread of keeper in existing thread fixing structure
It is intended to；
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 keeper in the thread fixing structure of first embodiment of the invention；
Fig. 6 is the side view of Fig. 4；
Fig. 7 is the top view of Fig. 4；
Fig. 8 is the cut-away view of keeper in the thread fixing structure of third embodiment of the invention；
Fig. 9 is the structural representation of keeper in the thread fixing structure of four embodiment of the invention.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that at this
Invent in each embodiment, in order that reader more fully understands that the application proposes many ins and outs.But
Be, though there is no these ins and outs and the many variations based on following embodiment and modification it is also possible to
Realize each claim of the application technical scheme required for protection.
As depicted in figs. 1 and 2, it is existing thread fixing structure, wherein, the screwed hole 2 of keeper 1
It is the design using full thread, so when the screwed hole 2 to keeper 1 carries out tapping, due to screwed hole 2
It is to be formed by lathe tapping, because the length of screwed hole 2 is longer, so can produce during tapping
Certain accumulated error, and the increase with screw thread hole length, lead to its error increasing, thus
So that when screw 3 is attached with screwed hole 2, both cannot be carried out effectively being adapted to, the outer spiral shell of screw 3
Line 10 cannot carry out effectively connection with the internal thread 11 of screwed hole 2, as shown in Figure 3.
In addition, under the influence of screw thread hole length, whole screwed hole 2 is easy to metal in tapping process
Bits remain in thread groove, and when leading to screw to be that screwed hole is connected, screw screws in screw thread in the hole
When, can become very arduously, just cannot be further continued for screwing in after screw only screws in sub-fraction sometimes, or even sometimes
It also can be made cannot to screw out, lead to whole screw 3 stuck in screwed hole 2, thus causing whole screw thread solid
The damage of fixed structure.At present on existing product, just usually because screw 3 cannot be screwed into or be screwed into tired
Difficult and lead to a large amount of percent defectives, have a strong impact on the quality of product.
The first embodiment of the present invention is related to a kind of thread fixing structure, as shown in figure 4, comprise screw 4,
The cylindricality keeper 5 being connected with screw 4.
Specifically, the upper surface of keeper 5 until keeper 5 lower surface open up multigroup can be by screw 4
The vertical through hole 6 of insertion, in the present embodiment, through hole 6 offers two groups.
Wherein, as shown in Figures 5 to 7, through hole 6 has the screw thread that part formation is attached with screw 4
Section 7, and through hole 6 at least part in addition to thread segment 7 carries out extending directly to the outer fringe surface of keeper 5
To the outer fringe surface being exposed to keeper 5, formed and be easy to the screw slots 8 that screw 4 is threaded in or out thread segment 7.
From above-mentioned embodiment, some formation of whole through hole 6 due to keeper 5 can
The thread segment 7 being attached with screw 4, it follows that the length quilt of whole thread segment 7 (i.e. screwed hole)
Greatly shorten, reduce thread segment produced accumulated error in tapping by this kind of mode, improved with this
Precision when whole thread segment 7 and screw 4 cooperation.In addition, when screw 4 screws in thread segment 7, by
Through hole beyond place's thread segment 7 at least part is extended to the cylindrical of keeper 5, until exposing
Form screw slots 8 in the outer fringe surface of keeper 5, to the screw-in of screw 4 and can be screwed out by screw slots 8
Loosen effect to certain, so that screw 4 easily can be screwed in thread segment 7 and be screwed out,
Avoid screw 4 that stuck phenomenon occurs when being threaded in or out thread segment, the yield of whole product is ensured with this.
In addition, thread segment 7 produced metal filings in tapping also effectively can be discharged by screw slots 8,
So that it will not be remained in the thread groove of thread segment 7, thus further reducing screw to be threaded in or out screw thread
Resistance during section, is more beneficial for screw-in and the back-out of screw 4.
It is worth mentioning, in through hole 6, thread segment 7 is located at the optional position of screw slots 8 top.By
This understands, in actual process, as long as ensureing that thread segment 7 is located at the top of screw slots 8, you can
Ensure after the end of screw 4 passes through thread segment 7 to enter screw slots 8, can be to screw 4 by screw slots 8
Screw-in loosened, thus avoid screw 4 screw in thread segment 7 when stuck phenomenon occurs.And, by
In screw slots in the lower section of thread segment, thus thread segment in tapping, produced metal filings can be from screw slots
Interior discharge, it is to avoid metal filings remain in the thread groove of thread segment 7, the screw-in of impact screw and back-out.
Wherein, the length of thread segment 7 is more than 1mm, and the length less than screw 4.And, in order to meet spiral shell
The external screw thread of various matching requirements when nail 4 is connected with thread segment 7, the internal thread of thread segment 7 and screw 4
Can be using triangle thread, straight pipe thread or rectangular thread.In actual process, staff
Can be selected according to actual assembling demand.
Second embodiment of the present invention is related to a kind of thread fixing structure, and second embodiment is real first
Do on the basis of applying mode and improved further, it has mainly been improved by：In the present embodiment, through hole 6
Interior can form two groups of screw slots 8.Wherein, thread segment 7 is located between two groups of screw slots 8.
It follows that being respectively equipped with screw slots 8 due to above and below thread segment 7, thus reducing further
Screw 4 screws in resistance during thread segment 7, is more beneficial for screw-in and the back-out of screw 4.
Third embodiment of the present invention is related to a kind of thread fixing structure, and the 3rd embodiment is real first
Do on the basis of applying mode and improved further, it has mainly been improved by：As shown in figure 8, in this embodiment party
In formula, the entrance of thread segment 7 is the import in keeper 5 upper surface for the through hole 6, i.e. whole thread segment 7
The initial segment for through hole 6.
It follows that because the entrance of thread segment 6 has been arranged on the upper surface of keeper 5, so that
When screw is attached in the thread segment with through hole, screw can be avoided to occur partially when screwing in thread segment
Difference, to ensure that whole screw 4 enters vertically in the through hole 6 of keeper 5.And screw in screw and run through
After in the thread segment in hole, can avoid the upper end of screw that hanging phenomenon occurs, screw 4 and screw thread are strengthened with this
Integral rigidity after section 7 connection.
And, in the present embodiment, screw slots 8 are in the lower section of thread segment 7, the outlet of screw slots 8
It is off the lower surface in keeper 5, it follows that whole screw slots 8 are to be directly communicated to keeper bottom
, thus extending the length of screw slots 8 to greatest extent, the end preventing screw 4 is through screw slots 8
Stress pretension again afterwards, further reduces the resistance when screwing in thread segment 7 for the screw 4, and improves
The chip removal ability in tapping for the thread segment.
In addition, it is noted that as shown in fig. 7, in the present embodiment, thread segment 7 and screw slots 8
It is connected to.Because both are connected, so that the end of screw 4 can directly be entered after by thread segment 7
Enter screw slots 8 to be loosened, be more beneficial for the screw-in of screw 4.And thread segment 7 is produced in tapping
Metal filings can be directly entered screw slots 8 and discharge, and further increase the discharge capacity of screw slots,
Avoid thread segment 7 after tapping, have a small amount of metal filings also to remain in through hole 6, affect screw 4
Assembly performance with through hole 6 thread segment 7.
And, in the present embodiment, the length of thread segment 7 is less than the length of screw slots 8.Thus it is maximum
Limit reduce thread segment produced accumulated error in tapping, and reduce screw 4 to greatest extent
Resistance when screwing in thread segment 7, and the chip removal ability that improve screw slots to greatest extent.
4th embodiment of the present invention is related to a kind of thread fixing structure, and the 4th embodiment is in the first enforcement
Do on the basis of mode and improved further, it has mainly been improved by：In the present embodiment, as Fig. 9 institute
Show, the lower surface of keeper 5 can form a disk body 9, this disk body 9 together constitutes with opal with keeper 5
Body.
From above content, the lower surface due to keeper 5 forms a disk body 9, so that entirely fixed
Position part is similar to the construction of an opal body, in actual assembling process, can insert cylindricality keeper 5
The opal in the hole of door, and disk body 9 is fixed on the rear side of door, thus realizing the installation of whole opal body,
Further such that the thread fixing structure of the present invention has wider application scenarios.
And, in order to meet assembling demand, the shape of above-mentioned cylindricality keeper 5 can be with the shape phase in opal hole
Coupling, can adopt cylindric or flat column structure.
It will be understood by those skilled in the art that the respective embodiments described above are to realize being embodied as of the present invention
Example, and in actual applications, can to it, various changes can be made in the form and details, without departing from this
Bright spirit and scope.
Claims (10)
1. a kind of thread fixing structure, comprises the cylindricality keeper of screw and described mode connects for screw, its feature
It is：The upper surface of described keeper until the lower surface of described keeper open up two groups can be by described screw
The vertical through hole of insertion；
Described through hole has the thread segment that part formation is attached with described screw, and described through hole removes screw thread
Beyond section, at least part carries out extending up to be exposed to described keeper to the outer fringe surface of described keeper
Outer fringe surface forms screw slots, and the described in the hole that runs through forms two groups of screw slots, and described thread segment is located at two groups
Between screw slots.
2. thread fixing structure according to claim 1 it is characterised in that：The length of described thread segment
More than 1mm, and the length less than described screw.
3. thread fixing structure according to claim 1 it is characterised in that：Run through in the hole described,
Described thread segment is located at the optional position above described screw slots.
4. thread fixing structure according to claim 1 it is characterised in that：The entrance of described thread segment
For the import in described keeper upper surface for the described through hole.
5. thread fixing structure according to claim 1 it is characterised in that：Described screw slots are located at institute
State the lower section of thread segment, the outlet of described screw slots terminates in the lower surface of described keeper.
6. thread fixing structure according to claim 1 it is characterised in that：Described thread segment with described
Screw slots are connected.
7. thread fixing structure according to claim 1 it is characterised in that：The length of described thread segment
Length less than described screw slots.
8. thread fixing structure according to claim 1 it is characterised in that：The lower end of described keeper
Face forms disk body, and described disk body and described keeper together constitute with opal body.
9. thread fixing structure as claimed in any of claims 1 to 8 it is characterised in that：Institute
Stating cylindricality keeper is cylindric or flat column.
10. thread fixing structure as claimed in any of claims 1 to 8 it is characterised in that：
The internal thread of described thread segment is triangle thread, straight pipe thread or rectangle spiral shell with the external screw thread of described screw
Line.
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 CN103742509A (en) | 2014-04-23 |
| CN103742509B true CN103742509B (en) | 2017-02-08 |
Family
ID=50499560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310750569.5A Active CN103742509B (en) | 2013-12-31 | 2013-12-31 | Thread fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103742509B (en) |
Families Citing this family (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 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2812335B1 (en) * | 2000-07-27 | 2003-01-31 | Pentaq | JUDAS FOR DOOR WITH THERMAL PROTECTION |
| 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
Also Published As
| Publication number | Publication date |
|---|---|
| CN103742509A (en) | 2014-04-23 |
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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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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
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 |