CN211550217U - Combined screw - Google Patents
Combined screw Download PDFInfo
- Publication number
- CN211550217U CN211550217U CN201922458996.1U CN201922458996U CN211550217U CN 211550217 U CN211550217 U CN 211550217U CN 201922458996 U CN201922458996 U CN 201922458996U CN 211550217 U CN211550217 U CN 211550217U
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- CN
- China
- Prior art keywords
- screw
- screw rod
- head
- nail
- extension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a combined screw, which belongs to the technical field of hardware and comprises a screw part body and a head part body which are arranged in a matching way, wherein the screw part body comprises a screw rod of the screw part, the top of the screw rod of the screw part is provided with a limit sleeve, and a screw rod connecting groove is arranged in the screw rod of the screw part; the head body comprises a head screw, a limiting end is arranged at the bottom of the head screw, the limiting end extends into the limiting sleeve and is matched with the limiting sleeve, a connecting and inserting end is arranged at the bottom of the limiting end and is inserted into a screw connecting groove of the nail part and matched with the screw connecting groove of the nail part, a screw cap is arranged at the top of the head screw, a cross-shaped mounting groove is formed in the screw cap, and the same and coherent threads are arranged on the outer surfaces of the nail part body and the head part body. The utility model discloses still include the extension body. The utility model is suitable for a need the mounting of various length screws, and owing to be the combination sectional type, every section length is limited, can not lead to askew soon because of the overlength, and it is convenient to install, uses extensively.
Description
Technical Field
The utility model belongs to the technical field of the hardware, especially, relate to a modular screw.
Background
The screw is also a screw, and is a tool for fastening machine parts of an object step by utilizing the physics and mathematical principles of the inclined circular rotation and friction of the object.
The screw has extensive demand and important effect in family life, industrial operation, and when the mounting was thicker or required the screw to have certain length, current screw length was generally shorter, and partly longer screw is very easily walked askew when the screw in, and the installation is difficult, damages the mounting even.
Disclosure of Invention
The to-be-solved problem of the utility model is to provide a simple structure, use extensively, it is convenient to install, combination formula screw that can extend.
In order to solve the technical problem, the utility model discloses a technical scheme is: a combined screw comprises a screw part body and a head part body which are arranged in a matched mode, wherein the screw part body comprises a screw rod of the screw part, the bottom of the screw rod of the screw part is provided with a tail tip, the top of the screw rod of the screw part is provided with a limiting sleeve with the same outer diameter, and a coaxial screw rod connecting groove with a cross-shaped cross section is arranged in the screw rod of the screw part; the head body includes the head screw rod, head screw rod bottom is provided with spacing end, spacing end stretches into in the limiting sleeve, cooperatees with limiting sleeve, and this spacing end bottom is provided with the connection and inserts the end, the connection is inserted the end and is inserted in nail portion screw rod spread groove, cooperatees with nail portion screw rod spread groove, spacing end and connection insert the end and the coaxial setting of head screw rod, head screw rod top is provided with the screw cap, be provided with cross mounting groove on the screw cap, mounting groove shape and cross sectional dimension are the same with nail portion screw rod spread groove, nail portion body and the external surface of head are provided with the same and screw thread that links up.
The utility model discloses still include the extension body, the extension body is including the extension screw rod, extension screw rod bottom is the same with head screw rod bottom structure, and this extension screw rod top is the same with nail portion screw rod top structure, and this extension screw rod is installed between the nail portion body and the head body, is connected with the cooperation of the nail portion body and the head body, and this extension screw rod surface is provided with the same and screw thread that links up with the nail portion body and the external surface of head.
The width of the screw connecting groove of the nail part is smaller than the inner diameter of the limiting sleeve.
The nail portion body is the integrated into one piece structure, the head portion body is the integrated into one piece structure, the extension body is the integrated into one piece structure.
By adopting the technical scheme, the utility model has simple integral structure and can be freely combined according to the needs, the first combination mode can combine the head body and the nail body, when in installation, the screwdriver bit extends into the nail screw connecting groove of the nail body, the nail body is screwed into the fixed part, when the upper surface of the limiting sleeve is parallel and level with the upper surface of the fixed part, the head body is inserted and connected, and then the screw is screwed continuously, thereby completing the fixed connection of the screw; the combination mode two can be with the combination of the head body, at least one extension body and the nail body, and preceding same, when revolving to spacing sleeve upper surface and mounting upper surface parallel and level, insert the extension body and connect, then continue the screw in, when spacing sleeve and the fixed surface parallel and level of extension body upper end, insert another extension body or head body and connect, then continue the screw in, accomplish the fixed connection of screw. The utility model is suitable for a need the mounting of various length screws, and owing to be the combination sectional type, every section length is limited, can not lead to askew soon because of the overlength, and it is convenient to install, uses extensively.
The utility model has the advantages that: the device has the advantages of simple structure, wide application, convenient installation and capability of lengthening.
Drawings
The advantages and mode of realisation of the invention will become more apparent hereinafter by describing in detail the invention with reference to the attached drawings, wherein the content shown in the drawings is only for explaining the invention, without constituting any limitation to the meaning of the invention, in which:
FIG. 1 is a schematic structural diagram of a first combination of the present invention
FIG. 2 is a schematic structural view of the second combination of the present invention
In the figure:
1. nail body 2, head body 3, extension body
11. Nail screw 12, tail tip 13, spacing sleeve
14. Nail screw connecting groove 21, head screw 22 and limit end
23. Connection insertion end 24, screw cap 25, mounting groove
31. Extension screw
Detailed Description
As shown in fig. 1 and fig. 2, the combined screw of the present invention comprises a nail body 1 and a head body 2, which are cooperatively disposed, wherein the nail body 1 comprises a nail screw rod, a tail tip 12 is disposed at the bottom of the nail screw rod 11, a limiting sleeve 13 with the same outer diameter is disposed at the top of the nail screw rod 11, and a coaxial nail screw rod connecting groove 14 with a cross-shaped cross section is disposed in the nail screw rod 11; the head body 2 comprises a head screw 21, the bottom of the head screw 21 is provided with a limit end 22, the limit end 22 extends into the limit sleeve 13 and is matched with the limit sleeve 13, the bottom of the limit end 22 is provided with a connecting and inserting end 23, the connecting and inserting end 23 is inserted into the nail screw connecting groove 14 and is matched with the nail screw connecting groove 14, the limit end 22 and the connecting and inserting end 23 are coaxially arranged with the head screw 21, the top of the head screw 21 is provided with a screw cap 24, the screw cap 24 is provided with a cross-shaped mounting groove 25, the shape and the cross-sectional dimension of the mounting groove 25 are the same as those of the nail screw connecting groove 14, the outer surfaces of the nail body 1 and the head body 2 are provided with the same and coherent screw threads, the head body also comprises an extension body 3, the extension body 3 comprises an extension screw 31, the bottom of the extension screw 31 is the same as the, this extension screw 31 is installed between nail portion body 1 and head body 2, is connected with the cooperation of nail portion body 1 and head body 2, and this extension screw 31 surface is provided with the same and screw thread that links up with nail portion body 1 and head body 2 surface, and the width of nail portion screw rod spread groove 14 is less than the internal diameter of spacing sleeve 13, and nail portion body 1 is the integrated into one piece structure, and head body 2 is the integrated into one piece structure, and extension body 3 is the integrated into one piece structure.
The utility model has simple integral structure, can be freely combined according to the needs, has a first combination mode, can combine the head body 2 and the nail body 1, when in installation, the screwdriver head extends into the nail screw connecting groove 14 of the nail body 1, screws the nail body 1 into the fixing piece, inserts and connects the head body 2 when screwing to the upper surface of the limiting sleeve 13 and the upper surface of the fixing piece are parallel and level, and then continues screwing to complete the fixed connection of the screw; the combination mode two can be with the combination of the head body 2, at least one extension body 3 and the nail body 1, preceding same above, when revolving to spacing sleeve 13 upper surface and mounting upper surface parallel and level, insert extension body 3 and connect, then continue the screw in, when spacing sleeve and the fixed surface parallel and level of extension body 3 upper end, insert another extension body 3 or head body 2 and connect, then continue the screw in, accomplish the fixed connection of screw. The utility model is suitable for a need the mounting of various length screws, and owing to be the combination sectional type, every section length is limited, can not lead to askew soon because of the overlength, and it is convenient to install, uses extensively.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (4)
1. A combination screw, characterized in that: the nail part body comprises a nail part screw rod, the bottom of the nail part screw rod is provided with a tail tip, the top of the nail part screw rod is provided with a limiting sleeve with the same outer diameter, and a coaxial nail part screw rod connecting groove with a cross-shaped cross section is arranged in the nail part screw rod; the head body includes the head screw rod, head screw rod bottom is provided with spacing end, spacing end stretches into in the limiting sleeve, cooperatees with limiting sleeve, and this spacing end bottom is provided with the connection and inserts the end, the connection is inserted the end and is inserted in nail portion screw rod spread groove, cooperatees with nail portion screw rod spread groove, spacing end and connection insert the end and the coaxial setting of head screw rod, head screw rod top is provided with the screw cap, be provided with cross mounting groove on the screw cap, mounting groove shape and cross sectional dimension are the same with nail portion screw rod spread groove, nail portion body and the external surface of head are provided with the same and screw thread that links up.
2. The combination screw of claim 1, wherein: still include the extension body, the extension body includes the extension screw rod, extension screw rod bottom is the same with head screw rod bottom structure, and this extension screw rod top is the same with nail portion screw rod top structure, and this extension screw rod is installed between nail portion body and head body, is connected with the cooperation of nail portion body and head body, and this extension screw rod surface is provided with the same and screw thread that links up with the external surface of nail portion body and head.
3. The combination screw of claim 1, wherein: the width of the screw connecting groove of the nail part is smaller than the inner diameter of the limiting sleeve.
4. The combination screw of claim 2, wherein: the nail portion body is the integrated into one piece structure, the head portion body is the integrated into one piece structure, the extension body is the integrated into one piece structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922458996.1U CN211550217U (en) | 2019-12-31 | 2019-12-31 | Combined screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922458996.1U CN211550217U (en) | 2019-12-31 | 2019-12-31 | Combined screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211550217U true CN211550217U (en) | 2020-09-22 |
Family
ID=72512168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922458996.1U Expired - Fee Related CN211550217U (en) | 2019-12-31 | 2019-12-31 | Combined screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211550217U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700725A (en) * | 2021-08-12 | 2021-11-26 | 嘉兴震辰五金科技股份有限公司 | Fastening long screw with adjustable length |
-
2019
- 2019-12-31 CN CN201922458996.1U patent/CN211550217U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700725A (en) * | 2021-08-12 | 2021-11-26 | 嘉兴震辰五金科技股份有限公司 | Fastening long screw with adjustable length |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20200922 Termination date: 20211231 |