CN1271342C - Fixed screw capable of fast connecting external element - Google Patents
Fixed screw capable of fast connecting external element Download PDFInfo
- Publication number
- CN1271342C CN1271342C CN 03123904 CN03123904A CN1271342C CN 1271342 C CN1271342 C CN 1271342C CN 03123904 CN03123904 CN 03123904 CN 03123904 A CN03123904 A CN 03123904A CN 1271342 C CN1271342 C CN 1271342C
- Authority
- CN
- China
- Prior art keywords
- hole section
- spring
- fixed screw
- section
- hole
- 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
Links
Images
Abstract
The present invention discloses a fixing screw capable of quickly connecting external connectors, particularly a fixing screw suitable for locking and fixing a construction hole on a cement wall plate or other building materials. The outer surface of the fixing screw is provided with outer screw threads, and an axial through hole is arranged in a main body of the fixing screw. An action area which can be used for applying force by a locking tool is arranged at the back end of the axial through hole, a positioning hole section with a taper is arranged at the middle section adjacent to the action area, and the inner diameter of the positioning hole section is gradually increased from small toward front; the front end of the positioning hole section is adjacent to a front hole section with a larger hole diameter, a spring is arranged in the front hole section, and a plug sleeve is plugged in the front hole section to prevent the spring from escape. After the fixing screw is locked in the construction hole by the structure, an outer screw bolt can be quickly inserted and screwed to connect the external connectors.
Description
Technical field
The present invention relates to a kind of fixed screw capable of fast connecting external element, refer to that especially a kind of construction hole that is applicable on cement wall plate or other building materials wallboards locks fixing retaining screw.
Background technique
The retaining screw 1 (as shown in Figure 1) of habit formula, its outer surface is provided with outside thread 11, and the inside of its body 10 has an axial hole 12, making the rear end of this axial hole 12 be provided with one can be for the active region 121 of the locking instrument application of force, and the stage casing that is close to this active region 121 is one to have the inner bolt hole section 122 of internal thread, and these inner bolt hole section 122 front ends are in abutting connection with the front hole section 123 of a larger aperture, structure is when retaining screw 1 is locked construction hole 21 (seeing also shown in Figure 2) by this, because of not expanding phenomenon, so can not cause breaking of wallboard, so after providing an outer connecting bolt 3 to connect an external piece 4, lock the inner bolt hole section 122 of this retaining screw 1, to finish being connected of external piece 4 and 2 of wallboards; Only this retaining screw 1 but has an inconvenience in construction, the thread section 31 of promptly outer connecting bolt 3 screws togather with the inner bolt hole section 122 of retaining screw 1, utilizes locking instrument one to enclose and executes tight operation, just can reach the location of required lock knot, in construction, very expend man-hour, and denounced by industry.
Summary of the invention
The object of the present invention is to provide a kind of fixed screw capable of fast connecting external element that can be connected fast with external piece.
For achieving the above object, the present invention adopts following design proposal: a kind of fixed screw capable of fast connecting external element, it mainly is provided with outside thread in the outer surface of a retaining screw, and its body interior has an axial hole, this axial hole is with respect to the near-end of the described external piece that will connect, being provided with one can be for the active region of the locking instrument application of force, the stage casing of this axial hole is one to have the spacing hole section of tapering, its internal diameter is gradually forwards increased by little, and this spacing hole section is away from the front hole section of the other end of the described external piece that will connect in abutting connection with a larger aperture, insert a spring in this front hole section, and fill in a plug sleeve.
This spring be the closeer line bodies in a few gaps near an end of retaining screw, and be that a few gaps are than thin line bodies away from the other end of retaining screw.
The minimum endoporus aperture of this spring is slightly larger than the pitch diameter of outer its external thread section of connecting bolt.
The pitch system of every astragal body of this spring matches with the pitch of outer its external thread section of connecting bolt.
This plug sleeve has a perforation.
This plug sleeve one end has a flange.
Advantage of the present invention: fixed screw capable of fast connecting external element of the present invention, it mainly is provided with outside thread in the outer surface of a retaining screw, and its body interior has an axial hole, making the rear end of this axial hole be provided with one can be for the active region of the locking instrument application of force, and the stage casing that is close to this active region is one to have the spacing hole section of tapering, its internal diameter is gradually forwards increased by little, and this spacing hole section front end is in abutting connection with the front hole section of a larger aperture, insert a spring in this front hole section, and fill in a plug sleeve, in case spring ejects, structure is so that retaining screw after locking the construction hole, can provide quick insertion of outer connecting bolt to be spirally connected so that external piece can connect fast by this.
Description of drawings
Fig. 1: practise its generalized section of formula retaining screw.
Fig. 2: the enforcement illustration that is habit formula retaining screw.
Fig. 3: three-dimensional exploded view of the present invention.
Fig. 4: the generalized section of its retaining screw of the present invention.
Fig. 5: its start signal (one) of the present invention.
Fig. 6: its start signal (two) of the present invention.
Embodiment
To achieve the above object of the invention, embodiments of the present invention such as Fig. 3 are to shown in Figure 6, the present invention mainly is provided with outside thread 51 in the outer surface of a retaining screw 5, and the inside of its body 50 has an axial hole 52, make the near-end with respect to the described external piece that will connect of this axial hole 52, being provided with one can be for the locking instrument (as hexagon wrench, instruments such as spanner) active region 521 of the application of force, and the stage casing that is close to this active region 521 is one to have the spacing hole section 522 of tapering, its internal diameter is gradually forwards increased by little, and this spacing hole section 522 is away from the other end of the described external piece that will connect, front hole section 523 in abutting connection with a larger aperture, can insert a spring 53, these spring 53 its ends 531 near retaining screw are the closeer line bodies in a few gaps (about 2～3 circles), and be the line bodies that dredge in a few gaps (about 2～3 circles) away from the other end 532 of retaining screw, and these spring 53 its minimum endoporus 530 apertures are slightly larger than the pitch diameter of outer connecting bolt 6 its outside threads 61, and strengthen its internal diameter gradually in the leading portion 532 of this spring 53, and make the pitch (Pitch) of these spring 53 its every circles match with outside thread 61 pitch (Pitch) of outer connecting bolt 6, and when making 6 rotations of outer connecting bolt, spring 53 can be guided it as internal thread and be advanced or retreat, other deviates from axial hole 52 for preventing this spring 53, has the front hole section 523 that plug sleeve 54 that perforation 541 and one end is provided with flange 542 is closely filled in axial hole 52 with one, to prevent deviate from (this plug sleeve 54 is that a plastic cement material is made, so the tight plug sleeve of energy is in front hole section 523) of spring 53.
During construction, earlier retaining screw 5 of the present invention is locked body of wall 7 with the locking instrument, connecting bolt 6 penetrates the perforation 81 of external piece 8 again, because the powerful endoporus 530 that inserts spring 53 of external thread section 61 front ends, when itself bearing external force, can produce appropriate deformation, and become the large aperture because of spring 53, and its back segment 532 endoporus 530 are to strengthen gradually, and the external thread section 61 that then helps outer connecting bolt 6 penetrates (as shown in Figure 5) fast; So when the external thread section 61 of outer connecting bolt 6 is worn to the location, promptly can not go out by loose back skating, its reason is that the packing that the leading portion 531 because of spring 53 is subjected to spacing hole section 522 forms unidirectional spacing (as shown in Figure 6), as desire to retreat and to move back screw thread from coil to coil rotation pine as pine and move back, so the present invention can provide outer connecting bolt 6 to penetrate the location fast, and has the effect that screw thread screws togather when withdrawing from.
Can a sheathed washer 63 and establish the active region 62 of a locking instrument application of force as for the rear end of outer connecting bolt 6, this active region can be a polygonal nut or interior polygonal holes, to be fit to the use of various locking instrument (as spanner or inner hexagon spanner).
To sum up institute is old, and fixing bolt of the present invention is because of having the advantage of quick connection external piece, and can effectively improve construction quality and cost.
Claims (6)
1. fixed screw capable of fast connecting external element, the outer surface of described retaining screw is provided with outside thread, and its body interior has an axial hole, and the near-end with respect to the described external piece that will connect of this axial hole is provided with one and can it is characterized in that for the active region of the locking instrument application of force:
The stage casing of this axial hole is one to have the spacing hole section of tapering, its internal diameter is gradually forwards increased by little, and this spacing hole section is away from the front hole section of the other end of the described external piece that will connect in abutting connection with a larger aperture, inserts a spring in this front hole section, and fills in a plug sleeve.
2. fixed screw capable of fast connecting external element as claimed in claim 1 is characterized in that: this spring be the closeer line body in a few gaps near an end of retaining screw, and be that a few gaps are than thin line bodies away from the other end of retaining screw.
3. fixed screw capable of fast connecting external element as claimed in claim 2 is characterized in that: the minimum endoporus aperture of this spring is slightly larger than the pitch diameter of outer its external thread section of connecting bolt.
4. fixed screw capable of fast connecting external element as claimed in claim 3 is characterized in that: the pitch system of every astragal body of this spring matches with the pitch of outer its external thread section of connecting bolt.
5. fixed screw capable of fast connecting external element as claimed in claim 1 is characterized in that: this plug sleeve has a perforation.
6. fixed screw capable of fast connecting external element as claimed in claim 5 is characterized in that: this plug sleeve one end has a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03123904 CN1271342C (en) | 2003-05-20 | 2003-05-20 | Fixed screw capable of fast connecting external element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03123904 CN1271342C (en) | 2003-05-20 | 2003-05-20 | Fixed screw capable of fast connecting external element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1548781A CN1548781A (en) | 2004-11-24 |
| CN1271342C true CN1271342C (en) | 2006-08-23 |
Family
ID=34321502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03123904 Expired - Fee Related CN1271342C (en) | 2003-05-20 | 2003-05-20 | Fixed screw capable of fast connecting external element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1271342C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524682A (en) * | 2017-09-01 | 2017-12-29 | 宁波正宇紧固件有限公司 | A kind of fastener being easily installed |
| CN111306162A (en) * | 2018-12-12 | 2020-06-19 | 天津卓帛科技发展有限公司 | Automobile locking screw |
-
2003
- 2003-05-20 CN CN 03123904 patent/CN1271342C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1548781A (en) | 2004-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6846142B2 (en) | Screw for screwing into a material of low strength | |
| EP1760331B1 (en) | Fastening part for hard substrates | |
| EP2679835A1 (en) | Threaded fastener | |
| EP1131564A1 (en) | Screw connection | |
| WO2002061290A3 (en) | Self-tapping insert, insert assembly, and method for mounting the insert | |
| EP1895173B1 (en) | Fastening assembly comprising an expandable dowel sleeve and an expanding screw | |
| CN1744860A (en) | Osteosynthesis plate | |
| EP1710453A1 (en) | Anchoring bar | |
| JP2010155309A (en) | Drawing structure of embedded pin | |
| DE202014105718U1 (en) | mother | |
| EP2476919A2 (en) | Screw anchor and method for manufacturing a screw anchor | |
| CN107850102B (en) | Method for placing screws | |
| CN1271342C (en) | Fixed screw capable of fast connecting external element | |
| EP3006748B1 (en) | Drill bit | |
| EP2691659B1 (en) | Fastening anchor and fastening device | |
| EP3064669B1 (en) | Anchor and fastening device for thermally insulated walls | |
| EP2354567B1 (en) | Connecting anchor screw | |
| CN102606606A (en) | Check bolt with left-handed threads | |
| JP2011047479A (en) | Fastening structure | |
| EP3868998A1 (en) | Connection of two drill string elements of a drill string for earth drilling | |
| DE102014201811A1 (en) | Screw for screwing into a borehole and biasing arrangement with such a screw screwed into the borehole | |
| DE202016107016U1 (en) | Self-tapping screw for screwing into a dowel | |
| US20070289114A1 (en) | Installation tool for wire thread inserts | |
| EP1680606B1 (en) | Fixing element | |
| JP3847276B2 (en) | Fixing screw for quick connection of external devices |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060823 Termination date: 20110520 |