CN204784069U - Switching screw - Google Patents
Switching screw Download PDFInfo
- Publication number
- CN204784069U CN204784069U CN201520538790.9U CN201520538790U CN204784069U CN 204784069 U CN204784069 U CN 204784069U CN 201520538790 U CN201520538790 U CN 201520538790U CN 204784069 U CN204784069 U CN 204784069U
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- China
- Prior art keywords
- spiral shell
- screw
- shell head
- switching
- switching screw
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- Expired - Fee Related
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- 230000004323 axial length Effects 0.000 claims description 21
- 239000000463 material Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a switching screw, include: spiral shell head, screw rod and screw, the outside of spiral shell head sets up the step, and the axial extension of following switching screw sets up the screw hole and extends to in the spiral shell head from the surface of step. Head at the spiral shell head sets up stair structure and sets up the internal thread hole, realizes switching extended functionality, sets up stair structure and with in its through -hole of arranging the connecting piece in, the only switching screw of atress during locking to avoid produce excessive extrusion and cracked to the more fragile connecting piece of material, be suitable for setting up of the great connecting piece of fragility. Set up the conventional groove on the step, the switching screw's after the installation of being convenient for dismantlement.
Description
Technical field
The utility model relates to technical field of fastening, open especially a kind of switching screw.
Background technique
Fastening piece be exactly fastening two or more parts (or component) be fastenedly connected become one overall time the general name of class mechanical parts that adopts.Screw is the most widely used fastening piece.
Along with the continuous change and progress of using scope and Environmental Conditions, more demand be it is also proposed to screw, particularly on the Function Extension of screw, emerged in large numbers the extensive use of switching screw.
Patent CN204026060U discloses the use of switching nut in smart mobile phone recording photography fixing device.Patent CN201406738Y discloses the use of switching nut in anti-siphon non-return valve, coordinate the switching nut intracavity installed to be provided with bracket and rubber bushing successively with flashing valve outlet part, the top of bracket and rubber bushing is respectively provided with flanging, this flanging is clamped between flashing valve outlet part and switching nut, the sidewall of switching nut is provided with through hole, and the sidewall of bracket is provided with the opening be communicated with through hole.Patent CN103093697A discloses the use in the display device of switching nut, switching Nut column comprises the nut and stud that are fixed together, stud is threaded in installation screw, switching Nut column is supported between display panel module and the back side of shell, the back side of shell also offers mounting hole, and the tapped hole of mounting hole and nut is oppositely arranged.
The switching screw of above-mentioned patented technology achieves to a certain extent to be expanded the functional realiey of screw, and solves demand in concrete applied environment.But, when all not considering fastening to the link that fragility is larger, the cracked problem of link that switching screw brought pressing of link; Also do not consider, after switching screw is installed, in usage space by limited time, to the dismounting problem of switching screw.
Model utility content
The purpose of this utility model is to provide a kind of switching screw, spiral shell head head setting table stage structure and offer interior threaded hole, realize connection expanding function, be suitable for tightening up of the larger link of fragility, step is offered conventional type groove, is convenient to the dismounting of the switching screw after installing.
The utility model provides a kind of switching screw, comprising:
Spiral shell head;
Screw rod, is connected with the inner side of spiral shell head, and the axis along switching screw is extended towards afterbody;
Screw thread, is arranged on the border of screw rod;
Step, is connected with the outside of spiral shell head, and the axis along switching screw is extended towards head; And
Tapped hole, the axis along switching screw is extended, extends in spiral shell head from the outer surface of step.
Switching screw of the present utility model is specially adapted to be fixedly connected with the more crisp link of the materials such as circuit board, setting table stage structure is also placed in the through hole of link, stressed during locking only have switching screw, thus avoid the link more crisp to material to produce excessive compression and cracked.
Preferably, described step offers type groove, such as square groove, hex shaped groove, cross bath or narrow groove etc.
Preferably, described type groove is in-line groove or cross bath.
Preferred further, described in-line, cross run through step and form hatch frame.
When screw of transferring is covered completely by links such as circuit boards, the spiral shell heads such as conventional outer hexagonal spanner loosen instrument has not had position to remove operation switching screw.And increase in-line slot at the head of switching screw, commercially buy conventional straight screwdriver instrument and namely detachably to transfer screw.
Preferably, described spiral shell head is hexagon, is designed to use spanner to rotate.
Preferably, described step integral is cylinder type, and its cross section diameter of a circle is less than or equal to the inscribe diameter of a circle of hexagon spiral shell head.
Preferably, the degree of depth that described tapped hole gos deep into spiral shell head accounts for 1/4 to 3/4 of spiral shell head axial length, and preferably, the degree of depth that described tapped hole gos deep into spiral shell head accounts for 1/2 of spiral shell head axial length.
Preferably, the axial length of described step is 1/4 to 3/4 of the axial length of tapped hole, and preferably, the axial length of described step is 1/2 of the axial length of tapped hole.
Preferably, the external diameter of described tapped hole is 1/2 to 4/5 of the external diameter of step.
The beneficial effects of the utility model have:
1, spiral shell head head setting table stage structure and offer interior threaded hole, realize connection expanding function; Be placed in by ledge structure in the through hole of link, stressed during locking only have switching screw, thus avoid the link more crisp to material to produce excessive compression and cracked, is suitable for tightening up of the larger link of fragility.
2, on step, conventional type groove is offered, even if the situation that operating space is limited after link is installed, also can mounted switching screw for convenience detach.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is that embodiment 1 transfers the perspective view of screw.
Fig. 2 is that embodiment 1 transfers the main TV structure schematic diagram of screw.
Fig. 3 is that embodiment 1 transfers the sectional structure schematic diagram of screw.
Fig. 4 is that embodiment 1 screw of transferring is used in perspective view when circuit board tightens up connection.
Fig. 5 is that embodiment 1 screw of transferring is used in cross-sectional view when circuit board tightens up connection.
Fig. 6 is that embodiment 2 transfers the main TV structure schematic diagram of screw.
Fig. 7 is that embodiment 2 transfers the left TV structure schematic diagram of screw.
In figure, 1-spiral shell head, 2-screw rod, 3-thread, 4-step, 5-tapped hole, 6-type groove.
Embodiment
The present embodiment is the utility model preferred implementation, and other its principles all are identical with the present embodiment or approximate with basic structure, all within the utility model protection domain.
Embodiment 1
Incorporated by reference to referring to accompanying drawing 1 to 5, the switching screw of the present embodiment, comprising:
Spiral shell head 1;
Screw rod 2, is connected with the inner side of spiral shell head 1, and the axis along switching screw is extended towards afterbody;
Screw thread 3, is arranged on the border of screw rod 2;
Step 4, is connected with the outside of spiral shell head 1, and the axis along switching screw is extended towards head; And
Tapped hole 5, the axis along switching screw is extended, extends in spiral shell head 1 from the outer surface of step 4;
Type groove 6, is opened in the head of step 4, i.e. the outer surface side of step 4; For the in-line groove of routine.
Switching screw of the present utility model is specially adapted to be fixedly connected with the more crisp link of the materials such as circuit board, setting table stage structure is also placed in the through hole of link, stressed during locking only have switching screw, thus avoid producing excessive compression and cracked to links such as the more crisp circuit boards of material.
Preferably, more specifically, in the present embodiment,
Spiral shell head 1 is hexagon, is designed to use spanner to rotate;
Step 4 entirety is cylinder type, and its cross section diameter of a circle is less than or equal to the inscribe diameter of a circle of hexagon spiral shell head;
In-line groove, should run through step formation hatch frame by " one " font;
The degree of depth that tapped hole 5 gos deep into spiral shell head 1 accounts for 1/2 of spiral shell head 1 axial length, can certainly be selected, according to needs preferably in 1/4 to 3/4 scope;
The axial length of step 4 is about 1/2 of the axial length of tapped hole 5, can certainly be selected, according to needs preferably in 1/4 to 3/4 scope;
The external diameter of described tapped hole 5 is about about 4/5 of the external diameter of step 4, can certainly be selected according to needs, preferably in 1/2 to 4/5 scope.
When screw of transferring is covered completely by circuit board, the spiral shell heads such as conventional outer hexagonal spanner loosen instrument has not had position to remove operation switching screw.And increase in-line slot at the head of switching screw, commercially buy conventional straight screwdriver instrument and namely detachably to transfer screw.
Embodiment 2
Incorporated by reference to referring to accompanying drawing 6 to 7, the switching screw of the present embodiment, comprising:
Spiral shell head 1;
Screw rod 2, is connected with the inner side of spiral shell head 1, and the axis along switching screw is extended towards afterbody;
Screw thread 3, is arranged on the border of screw rod 2;
Step 4, is connected with the outside of spiral shell head 1, and the axis along switching screw is extended towards head; And
Tapped hole 5, the axis along switching screw is extended, extends in spiral shell head 1 from the outer surface of step 4;
Type groove 6, is opened in the head of step 4, i.e. the outer surface side of step 4; For the square groove of routine, hex shaped groove, cross bath, in-line groove or narrow groove etc.
In the present embodiment, concrete, spiral shell head 1 is hexagon, is designed to use spanner to rotate;
Step 4 entirety is cylinder type, and its cross section diameter of a circle is less than or equal to the inscribe diameter of a circle of hexagon spiral shell head;
Type groove 6 in the present embodiment is in-line groove, should run through step formation hatch frame by " one " font.
As the preferred version of the present embodiment, the degree of depth that tapped hole 5 gos deep into spiral shell head 1 accounts for 1/4 to 3/4 of spiral shell head 1 axial length, and further preferably, the degree of depth that described tapped hole 5 gos deep into spiral shell head 1 accounts for 1/2 of spiral shell head 1 axial length;
The axial length of step 4 is 1/4 to 3/4 of the axial length of tapped hole 5, and further preferably, the axial length of described step 4 is 1/2 of the axial length of tapped hole 5;
The external diameter of described tapped hole 5 is 1/2 to 4/5 of the external diameter of step 4.
Switching screw of the present utility model is specially adapted to be fixedly connected with the more crisp link of the materials such as circuit board, setting table stage structure is also placed in the through hole of link, stressed during locking only have switching screw, thus avoid the link more crisp to material to produce excessive compression and cracked.
When screw of transferring is covered completely by links such as circuit boards, the spiral shell heads such as conventional outer hexagonal spanner loosen instrument has not had position to remove operation switching screw.And increase in-line slot at the head of switching screw, commercially buy conventional straight screwdriver instrument and namely detachably to transfer screw.
Above disclosedly be only preferred embodiment of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (10)
1. a switching screw, is characterized in that: comprising:
Spiral shell head;
Screw rod, is connected with the inner side of spiral shell head, and the axis along switching screw is extended towards afterbody;
Screw thread, is arranged on the border of screw rod;
Step, is connected with the outside of spiral shell head, and the axis along switching screw is extended towards head; And
Tapped hole, the axis along switching screw is extended, extends in spiral shell head from the outer surface of step.
2. switching screw according to claim 1, is characterized in that: described step offers type groove.
3. switching screw according to claim 2, is characterized in that: described type groove is in-line groove or cross bath.
4. switching screw according to any one of claim 1 to 3, is characterized in that: described spiral shell head is hexagon.
5. switching screw according to claim 4, is characterized in that: described step integral is cylinder type, and its cross section diameter of a circle is less than or equal to the inscribe diameter of a circle of hexagon spiral shell head.
6. switching screw according to any one of claim 1 to 3, is characterized in that: the degree of depth that described tapped hole gos deep into spiral shell head accounts for 1/4 to 3/4 of spiral shell head axial length.
7. switching screw according to claim 6, is characterized in that: the degree of depth that described tapped hole gos deep into spiral shell head accounts for 1/2 of spiral shell head axial length.
8. switching screw according to any one of claim 1 to 3, is characterized in that: the axial length of described step is 1/4 to 3/4 of the axial length of tapped hole.
9. switching screw according to claim 8, is characterized in that: the axial length of described step is 1/2 of the axial length of tapped hole.
10. to transfer according to claim 1 or 5 screw, it is characterized in that: the external diameter of described tapped hole is 1/2 to 4/5 of the external diameter of step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520538790.9U CN204784069U (en) | 2015-07-19 | 2015-07-19 | Switching screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520538790.9U CN204784069U (en) | 2015-07-19 | 2015-07-19 | Switching screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204784069U true CN204784069U (en) | 2015-11-18 |
Family
ID=54524124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520538790.9U Expired - Fee Related CN204784069U (en) | 2015-07-19 | 2015-07-19 | Switching screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204784069U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122218A (en) * | 2016-08-23 | 2016-11-16 | 无锡市东赫金属制品有限公司 | A kind of headed self-tapping self-drilling screw nail easy to use |
| CN106594026A (en) * | 2016-12-13 | 2017-04-26 | 重庆佐恩家具有限公司 | Table with hubs |
| CN108260058A (en) * | 2017-12-26 | 2018-07-06 | 歌尔股份有限公司 | A kind of assembly technology of speaker housings and speaker housings |
-
2015
- 2015-07-19 CN CN201520538790.9U patent/CN204784069U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122218A (en) * | 2016-08-23 | 2016-11-16 | 无锡市东赫金属制品有限公司 | A kind of headed self-tapping self-drilling screw nail easy to use |
| CN106594026A (en) * | 2016-12-13 | 2017-04-26 | 重庆佐恩家具有限公司 | Table with hubs |
| CN108260058A (en) * | 2017-12-26 | 2018-07-06 | 歌尔股份有限公司 | A kind of assembly technology of speaker housings and speaker housings |
| CN108260058B (en) * | 2017-12-26 | 2024-04-26 | 歌尔股份有限公司 | Loudspeaker shell and assembly process of loudspeaker shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000, 1F2, west of No. 27, Guangsha Road, ten industrial zone, lower Town, Fuyong Town, Shenzhen, Guangdong, Baoan District Patentee after: Shenzhen deep impression fastening Polytron Technologies Inc Address before: 518000, 1F2, west of No. 27, Guangsha Road, ten industrial zone, lower Town, Fuyong Town, Shenzhen, Guangdong, Baoan District Patentee before: Deep image fastening system (Shenzhen) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180719 |