CN103438072A - Helix-splicing type screw - Google Patents
Helix-splicing type screw Download PDFInfo
- Publication number
- CN103438072A CN103438072A CN2013103207822A CN201310320782A CN103438072A CN 103438072 A CN103438072 A CN 103438072A CN 2013103207822 A CN2013103207822 A CN 2013103207822A CN 201310320782 A CN201310320782 A CN 201310320782A CN 103438072 A CN103438072 A CN 103438072A
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- Prior art keywords
- screw
- tube
- rod
- tube chamber
- helix
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- 238000005553 drilling Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000007799 cork Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses a helix-splicing type screw and belongs to the field of mechanical connection parts. The helix-splicing type screw comprises a screw cap and also comprises an assembled screw rod, wherein the screw rod comprises a front rod and a connecting rod, and the front rod and the connecting rod are connected into a whole through threads. A first connecting tube, threads and a first tube cavity are sequentially arranged on the connecting rod, the first connecting tube is vertically and fixedly connected to the end surface of the end, with the thread, of the connecting rod, and the first tube cavity is positioned in a polish rod at the other end of the connecting rod; the first connecting tube comprises an outer tube and an inner column body, and threads are respectively arranged on the outer walls of the outer tube and the inner column body; the front rod is sequentially provided with a screw head, a thread and a second tube cavity from bottom to top, an outer tube cavity is matched with the outer tube, and an inner tube cavity is matched with the inner column body. According to the helix-splicing type screw, the number of connecting rods can be determined according to the length of a part to be connected, the limitation on the connection length is eliminated, the screw can be dismounted after the connection is finished, the appearance is not affected, and the helix-splicing type screw is convenient in use and reasonable in design and can be flexibly applied to various occasions.
Description
Technical field
The invention belongs to mechanical coupling part field, more particularly, relate to the spliced screw of a kind of spiral.
Background technique
At present, the general common structure with screw is integrated formed structure, is all directly to comprise screw head and screw rod, and screw rod is rectilinear, and when connecting general length, single object, this type of screw application is comparatively extensive.For example: China Patent No. is 201080008361.0, open day is on January 25th, 2012, disclosed a name is called the patent document of self-drilling screw, it is a kind of for sheet metal roof Material or other coverings are fastened to the self-drilling screw on wood or metal, this self-drilling screw has the counterfort screw thread, wherein, with the leading flank of screw thread, compare, the trailing flank of this screw thread is larger with respect to the angle between screw arbor line.This tip of thread is sharp, and its width is no more than about 0.25mm, and this makes this screw thread can shoot all wood in the scope from cork to utmost point hardwood.This thread structure also makes this screw thread can be driven in the Plate Steel bar, and simultaneously, in the time of in being driven into the metal sheet bar, due to the effect of counterfort screw thread, this screw thread can keep anti-pull intensity preferably.
But, running into while connecting than thick parts or multi-layer part, above-mentioned screw be not long be exactly curtailment, affect join strength and affect attractive in appearancely, can not meet the connection needs.Therefore, if screw designs can be become to the split type structure that can combine, just can not be subject to the restriction of connecting length fully, the energy flexible Application is in various occasions.
Summary of the invention
the problem that 1, will solve
For the above-mentioned problems in the prior art, the invention provides the spliced screw of a kind of spiral, its be a kind of can be according to the needs of connecting length, and the screw of thread combined type that can free transform length, reasonable in design, easy to use.
2, technological scheme
In order to address the above problem, the technical solution adopted in the present invention is as follows:
The spliced screw of a kind of spiral, comprise screw cap, also comprises modular screw rod, and described screw rod comprises front bar and extension bar, and described front bar and extension bar are threaded connection and are integrated.
Further, be provided with successively the first connecting tube, screw thread and the first tube chamber on described extension bar, described the first connecting tube vertically is fixed on the end face of the screwed end of extension bar, and described the first tube chamber is positioned at the polished rod of taking over the other end; Described the first connecting tube comprises outer tube and inner cylinder, and the outer wall of described outer tube and inner cylinder is equipped with screw thread; The length of described outer tube and inner cylinder is identical and coaxial; Described front bar from bottom to top is provided with screw head, screw thread and the second tube chamber successively, and described screw head is positioned at the screwed end of front bar, and described the second tube chamber is positioned at the polished rod of the front bar the other end.
Further, described the first tube chamber is identical with the second tube chamber, includes outer lumen and interior tube chamber, and the inwall of described outer lumen and interior tube chamber is equipped with screw thread; Described outer lumen matches with outer tube, and described interior tube chamber matches with inner cylinder; Be fixed with the second connecting tube on the end face of described screw cap one end, described the second connecting tube is identical with the first connecting tube; Described extension bar has N, and described N is more than or equal to 1.
3, beneficial effect
Than prior art, beneficial effect of the present invention is:
Screw rod of the present invention comprises front bar and extension bar, and both combine by the connecting tube and the tube chamber that cooperatively interact, can select according to the length of required connected element the extension bar of respective numbers; In addition, screw cap of the present invention is detachable after connection completes, and can not stay projection in the connecting surface of parts, does not affect the appearance, easy to use, reasonable in design, but flexible Application is in various occasions.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
The structural representation that Fig. 2 is the first connecting tube of the present invention;
The structural representation that Fig. 3 is the first tube chamber of the present invention;
The structural representation that Fig. 4 is screw cap of the present invention;
In figure: 1, screw head; 2, front bar; 3, the second tube chamber; 4, the first connecting tube; 5, extension bar; 6, screw cap; 7, outer tube; 8, inner cylinder; 9, outer lumen; 10, interior tube chamber.
Embodiment
Below in conjunction with specific embodiment, the present invention further is described.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the spliced screw of a kind of spiral, comprise screw cap 6, also comprises modular screw rod, and screw rod comprises front bar 2 and extension bar 5, and front bar 2 and extension bar 5 are threaded connection and are integrated.
Be provided with successively the first connecting tube 4, screw thread and the first tube chamber on extension bar 5, the first connecting tube 4 vertically is fixed on the end face of the screwed end of extension bar 5, and the first tube chamber is positioned at the polished rod of taking over 5 the other ends; The first connecting tube 4 comprises outer tube 7 and inner cylinder 8, and the outer wall of outer tube 7 and inner cylinder 8 is equipped with screw thread; The length of outer tube 7 and inner cylinder 8 is identical and coaxial; Front bar 2 from bottom to top is provided with screw head 1, screw thread and the second tube chamber 3 successively, and screw head 1 is positioned at the screwed end of front bar 2, and the second tube chamber 3 is positioned at the polished rod of front bar 2 the other ends.
The first tube chamber is identical with the second tube chamber 3, includes outer lumen 9 and interior tube chamber 10, and the inwall of outer lumen 9 and interior tube chamber 10 is equipped with screw thread; Outer lumen 9 matches with outer tube 7, and interior tube chamber 10 matches with inner cylinder 8; Be fixed with the second connecting tube on the end face of screw cap 6 one ends, the second connecting tube is identical with the first connecting tube 4; Extension bar 5 has 1.
During use, first according to the needs of parts connecting length, select the extension bar 5 of respective numbers, by front bar 2, screw in parts fully, again the first connecting tube 4 on extension bar 5 is inserted in the second tube chamber 3 of front bar 2 afterbodys, turn clockwise, extension bar 5 is screwed in parts, then connect successively all extension bars 5, finally take off screw cap 6.
Below schematically the present invention and mode of execution thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that do not break away from the invention aim, without the creationary mode of structure similar to this technological scheme and the embodiment of designing, all should belong to protection scope of the present invention.
Claims (7)
1. the spliced screw of spiral, comprise screw cap (6), it is characterized in that: also comprise modular screw rod, described screw rod comprises front bar (2) and extension bar (5), and described front bar (2) and extension bar (5) are threaded connection and are integrated.
2. the spliced screw of a kind of spiral according to claim 1, it is characterized in that: be provided with successively the first connecting tube (4), screw thread and the first tube chamber on described extension bar (5), described the first connecting tube (4) vertically is fixed on the end face of the screwed end of extension bar (5), and described the first tube chamber is positioned at the polished rod of adapter (5) the other end.
3. the spliced screw of a kind of spiral according to claim 2, it is characterized in that: described the first connecting tube (4) comprises outer tube (7) and inner cylinder (8), the outer wall of described outer tube (7) and inner cylinder (8) is equipped with screw thread; Described outer tube (7) is identical and coaxial with the length of inner cylinder (8).
4. the spliced screw of a kind of spiral according to claim 1, it is characterized in that: described front bar (2) from bottom to top is provided with screw head (1), screw thread and the second tube chamber (3) successively, described screw head (1) is positioned at the screwed end of front bar (2), and described the second tube chamber (3) is positioned at the polished rod of front bar (2) the other end.
5. according to the spliced screw of the described a kind of spiral of claim 2 or 4, it is characterized in that: described the first tube chamber is identical with the second tube chamber (3), include outer lumen (9) and interior tube chamber (10), the inwall of described outer lumen (9) and interior tube chamber (10) is equipped with screw thread; Described outer lumen (9) matches with outer tube (7), and described interior tube chamber (10) matches with inner cylinder (8).
6. the spliced screw of a kind of spiral according to claim 1, it is characterized in that: be fixed with the second connecting tube on the end face of described screw cap (6) one ends, described the second connecting tube is identical with the first connecting tube (4).
7. according to the spliced screw of the described a kind of spiral of claim 1 or 2, it is characterized in that: described extension bar (5) has N, and described N is more than or equal to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103207822A CN103438072A (en) | 2013-07-29 | 2013-07-29 | Helix-splicing type screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103207822A CN103438072A (en) | 2013-07-29 | 2013-07-29 | Helix-splicing type screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103438072A true CN103438072A (en) | 2013-12-11 |
Family
ID=49691775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103207822A Pending CN103438072A (en) | 2013-07-29 | 2013-07-29 | Helix-splicing type screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103438072A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006056A (en) * | 2014-06-05 | 2014-08-27 | 常州市南飞机械有限公司 | Multifunctional conveniently-adjusted bolt |
| CN104235154A (en) * | 2014-08-29 | 2014-12-24 | 常州宏力称重设备制造有限公司 | Screw rod |
| CN106855075A (en) * | 2015-12-08 | 2017-06-16 | 中国航空工业集团公司成都飞机设计研究所 | A kind of controllable disconnected two-sided threaded self-plugging rivet of neck |
| CN107630896A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | The bolt of adjustable in length |
| CN108547844A (en) * | 2018-06-28 | 2018-09-18 | 同济大学 | A kind of segmented unilateral bolt fastener |
| DE102018123690A1 (en) * | 2018-09-26 | 2020-03-26 | Kamax Holding Gmbh & Co. Kg | Two-piece high-strength screw |
| CN112773493A (en) * | 2020-09-14 | 2021-05-11 | 江苏强圣医疗科技有限公司 | Metal bone screw for orthopedics |
Citations (9)
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|---|---|---|---|---|
| US2377397A (en) * | 1943-04-16 | 1945-06-05 | Thompson Prod Inc | Fastening means |
| CN1606941A (en) * | 2003-10-14 | 2005-04-20 | 王宗爽 | Telescopic portable thermos cup |
| DE202005001720U1 (en) * | 2005-02-03 | 2005-04-21 | Fabricius Fastener Gmbh | Screw for the assembly of photovoltaic plates comprises a shaft with a wood screw thread at one end provided with a drill bit, a machine thread at the other end, and a hexagon region |
| JP2007239788A (en) * | 2006-03-06 | 2007-09-20 | Japan Power Fastening Co Ltd | Shaft device with drill function, shaft constituting the shaft device, and drill body |
| CN201284776Y (en) * | 2008-08-07 | 2009-08-05 | 突河·雷 | Improved stainless steel tap bolt construction |
| AU2009201409A1 (en) * | 2008-04-08 | 2009-10-22 | Loi & Tran Pty. Limited | Roofing screw (three piece) |
| CN202867495U (en) * | 2012-07-13 | 2013-04-10 | 常州窦氏气动机械有限公司 | Combined bolt |
| CN103133474A (en) * | 2011-11-22 | 2013-06-05 | 苏州工业园区协诚精密五金有限公司 | Bolt |
| CN203516372U (en) * | 2013-07-29 | 2014-04-02 | 芜湖福司精密模具有限公司 | Screw splicing type screw |
-
2013
- 2013-07-29 CN CN2013103207822A patent/CN103438072A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2377397A (en) * | 1943-04-16 | 1945-06-05 | Thompson Prod Inc | Fastening means |
| CN1606941A (en) * | 2003-10-14 | 2005-04-20 | 王宗爽 | Telescopic portable thermos cup |
| DE202005001720U1 (en) * | 2005-02-03 | 2005-04-21 | Fabricius Fastener Gmbh | Screw for the assembly of photovoltaic plates comprises a shaft with a wood screw thread at one end provided with a drill bit, a machine thread at the other end, and a hexagon region |
| JP2007239788A (en) * | 2006-03-06 | 2007-09-20 | Japan Power Fastening Co Ltd | Shaft device with drill function, shaft constituting the shaft device, and drill body |
| AU2009201409A1 (en) * | 2008-04-08 | 2009-10-22 | Loi & Tran Pty. Limited | Roofing screw (three piece) |
| CN201284776Y (en) * | 2008-08-07 | 2009-08-05 | 突河·雷 | Improved stainless steel tap bolt construction |
| CN103133474A (en) * | 2011-11-22 | 2013-06-05 | 苏州工业园区协诚精密五金有限公司 | Bolt |
| CN202867495U (en) * | 2012-07-13 | 2013-04-10 | 常州窦氏气动机械有限公司 | Combined bolt |
| CN203516372U (en) * | 2013-07-29 | 2014-04-02 | 芜湖福司精密模具有限公司 | Screw splicing type screw |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006056A (en) * | 2014-06-05 | 2014-08-27 | 常州市南飞机械有限公司 | Multifunctional conveniently-adjusted bolt |
| CN104235154A (en) * | 2014-08-29 | 2014-12-24 | 常州宏力称重设备制造有限公司 | Screw rod |
| CN106855075A (en) * | 2015-12-08 | 2017-06-16 | 中国航空工业集团公司成都飞机设计研究所 | A kind of controllable disconnected two-sided threaded self-plugging rivet of neck |
| CN107630896A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | The bolt of adjustable in length |
| CN108547844A (en) * | 2018-06-28 | 2018-09-18 | 同济大学 | A kind of segmented unilateral bolt fastener |
| CN108547844B (en) * | 2018-06-28 | 2020-07-28 | 同济大学 | A segmented unilateral bolt fastener |
| DE102018123690A1 (en) * | 2018-09-26 | 2020-03-26 | Kamax Holding Gmbh & Co. Kg | Two-piece high-strength screw |
| WO2020064910A1 (en) | 2018-09-26 | 2020-04-02 | Kamax Holding Gmbh & Co. Kg | Two-part high-strength screw |
| DE202019005800U1 (en) | 2018-09-26 | 2022-03-10 | Kamax Holding Gmbh & Co. Kg | Two-piece high-strength screw |
| DE102018123690B4 (en) * | 2018-09-26 | 2025-11-27 | Kamax Holding Gmbh & Co. Kg | Two-piece high-strength screw |
| CN112773493A (en) * | 2020-09-14 | 2021-05-11 | 江苏强圣医疗科技有限公司 | Metal bone screw for orthopedics |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131211 |