CN206368882U - A kind of locking expansion bolt assembly - Google Patents
A kind of locking expansion bolt assembly Download PDFInfo
- Publication number
- CN206368882U CN206368882U CN201621060891.0U CN201621060891U CN206368882U CN 206368882 U CN206368882 U CN 206368882U CN 201621060891 U CN201621060891 U CN 201621060891U CN 206368882 U CN206368882 U CN 206368882U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- drive division
- top cover
- lock
- sleeve
- 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.)
- Active
Links
- 238000012856 packing Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model proposes a kind of locking expansion bolt assembly, including screw rod, nut, packing ring, top cover and lock sleeve and stop sleeve, the screw rod is shaped as cylinder, the outside of the screw rod is provided with screw thread, the top of the screw rod is provided with nut, packing ring is installed below the nut, top cover is embedded with above the screw rod, the top cover is hollow cylindrical, the lower end of the top cover is provided with the first taper surface, the lower section of the top cover is provided with several lock sleeves, mutually it is embedded between the top of the lock sleeve and afterbody, the lock sleeve is provided with several first retaining strips, the bottom of the screw rod is provided with drive division, the cross sectional shape of the drive division is circle, the drive division driving stop sleeve movement, the lock sleeve stop sleeve is engaged, utilize screw rod reverse drive stop sleeve, cooperated between multiple lock sleeves, drive division drives retaining strip radial dilatation, inversely lock wall in the end of retaining strip, ensure bolted steadiness.
Description
【Technical field】
The utility model is related to the technical field of Hardware fitting, particularly a kind of locking expansion bolt assembly.
【Background technology】
At this stage, people can use expansion bolt, existing expansion bolt master when decorating house, installation water power
There are backbone, expansion tube, pad and nut to constitute, wherein base shaft is taper, its small end is threaded, the one of expansion tube one end
Three longitudinal openings are machined with big section so that one end of expansion tube is divided into three., will be swollen by the outer shifting of base shaft during assembling
Tube expansion struts and realizes its function of fixing, and during use, wall internal drilling aperture is often bigger than bolt hole, common swollen
The method that swollen bolt uses single screwing type expansion fastening, it is unstable existing that single fastening structure easily causes installation thing
As easily being come off when using, therefore propose a kind of locking expansion bolt assembly.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, it is proposed that a kind of locking expansion bolt assembly,
Using screw rod reverse drive stop sleeve, cooperated between multiple lock sleeves, drive division driving retaining strip radial dilatation, retaining strip
End inversely lock wall, fixation.
To achieve the above object, the utility model proposes a kind of locking expansion bolt assembly, including screw rod, nut, pad
Circle, top cover and lock sleeve and stop sleeve, the screw rod are shaped as cylinder, and the outside of the screw rod is provided with screw thread, the spiral shell
The top of bar, which is provided with below nut, the nut, is provided with packing ring, top cover is embedded with above the screw rod, during the top cover is
Hollow cylinder shape, the lower end of the top cover is provided with the first taper surface, and the lower section of the top cover is provided with several lock sleeves, the locking
Mutually it is embedded between the top of set and afterbody, the lock sleeve is provided with several first retaining strips, and the bottom of the screw rod is set
There is the first drive division, the cross sectional shape of first drive division is circle, the first drive division driving stop sleeve movement is described
Lock sleeve stop sleeve is engaged.
Preferably, the lock sleeve also includes installation portion and the second drive division, first retaining strip is circumferentially uniform
It is distributed in the periphery of installation portion, the lower section of the installation portion is provided with the second drive division, the outer wall of second drive division is provided with the
Two taper surfaces.
Preferably, the cross sectional shape of first retaining strip is arc, the inwall of first retaining strip is provided with inclination
Face, the inclined plane is engaged with the first taper surface.
Preferably, the stop sleeve also includes installation set and the second retaining strip, the installation set is shaped as annular,
The outer diameter length of the installation set is not more than the outer diameter length of drive division, the structure phase of second retaining strip and the first retaining strip
Together.
Preferably, the top cover also includes check plate, the check plate is engaged with packing ring.
The beneficial effects of the utility model：The utility model passes through screw rod, nut, packing ring, top cover and lock sleeve and stop
The cooperation of set etc., utilizes screw rod reverse drive stop sleeve, the drive division driving retaining strip radial dilatation of lock sleeve, the end of retaining strip
Portion inversely locks wall, simple in construction, it is to avoid the loosening easily of bolt, it is ensured that bolted steadiness.
Feature and advantage of the present utility model will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structural representation of locking expansion bolt assembly of the utility model；
Fig. 2 is a kind of operating diagram of locking expansion bolt assembly of the utility model；
Fig. 3 is a kind of structural representation of the top cover of locking expansion bolt assembly of the utility model；
Fig. 4 is a kind of structural representation of the expansion set of locking expansion bolt assembly of the utility model；
Fig. 5 is a kind of structural representation of the expansion set of locking expansion bolt assembly of the utility model.
In figure：1- screw rods, 2- nuts, 3- packing rings, 4- expansion sets, 5- lock sleeves, 6- stop sleeves, 11- drive divisions, 41- first
Taper surface, 42- check plates, 51- installation portions, the retaining strips of 52- first, 53- drive divisions, 521- inclined planes, the tapers of 531- second
Face, 61- installation sets, the retaining strips of 62- second.
【Embodiment】
Refering to Fig. 1 to a kind of locking expansion bolt assembly of Fig. 5 the utility model, including screw rod 1, nut 2, packing ring 3, top cover
4 and lock sleeve 5 and stop sleeve 6, the screw rod 1 is shaped as cylinder, and the outside of the screw rod 1 is provided with screw thread, the screw rod
1 top is provided with nut 2, and the lower section of the nut 2 is provided with packing ring 3, and the top of screw rod 1 is embedded with top cover 4, the top cover
4 be hollow cylindrical, and the lower end of the top cover 4 is provided with the first taper surface 41, and the lower section of the top cover 4 is provided with several lock sleeves
5, mutually it is embedded between the top of the lock sleeve 5 and afterbody, the lock sleeve 5 is provided with several first retaining strips 52, institute
The bottom for stating screw rod 1 is provided with the first drive division 11, and the cross sectional shape of first drive division 11 is circle, first drive division
11 driving stop sleeves 6 are moved, and the stop sleeve 6 of lock sleeve 5 is engaged.The lock sleeve 5 also includes installation portion 51 and second and driven
Dynamic portion 53, first retaining strip 52 is circularly and evenly distributed in the periphery of installation portion 51, and the lower section of the installation portion 51 is provided with
Second drive division 53, the outer wall of second drive division 53 is provided with the second taper surface 531.The section of first retaining strip 52
Arc is shaped as, the inwall of first retaining strip 52 is provided with inclined plane 521, the inclined plane 521 and the phase of the first taper surface 41
Coordinate.The stop sleeve 6 also includes the retaining strip 62 of installation set 61 and second, and the installation set 61 is shaped as annular, described
The outer diameter length of installation set 61 is not more than the outer diameter length of drive division 11, the knot of the retaining strip 52 of the second retaining strip 62 and first
Structure is identical.The top cover 4 also includes check plate 42, and the check plate 42 is engaged with packing ring 3.
Utility model works process：
Bolt in the course of the work, during installation, is put into connected work by a kind of locking expansion bolt assembly of the utility model
In the mounting hole of part, nut 2 is rotated with spanner, screw rod 1 produces relative motion with nut 2, and screw rod 1 rises, the first drive division 11
Reverse drive stop sleeve 6 is moved up, and the second drive division 53 of the lock sleeve 5 of bottom drives the second retaining strip 62 radially to expand
, the first retaining strip 52 of the lock sleeve 5 above the second drive division 53 driving of adjacent lock sleeve 5 is in radial dilatation, first
The end of the retaining strip 62 of retaining strip 52 and second is embedded into wall, when bolt is by export-oriented active force, the first retaining strip
52 and second the end of retaining strip 62 have and be more partially embedded into wall, inversely lock wall, bolt can be avoided
Loosen easily, it is ensured that bolted steadiness.
It, to explanation of the present utility model, is limited of the present utility model that above-described embodiment, which is, any new to this practicality
Scheme after type simple transformation belongs to protection domain of the present utility model.
Claims (5)
1. a kind of locking expansion bolt assembly, it is characterised in that：Including screw rod (1), nut (2), packing ring (3), top cover (4) and lock
Tight set (5) and stop sleeve (6), the screw rod (1) are shaped as cylinder, and the outside of the screw rod (1) is provided with screw thread, the spiral shell
The top of bar (1), which is provided with below nut (2), the nut (2), is provided with packing ring (3), and top is embedded with above the screw rod (1)
Cover (4), the top cover (4) is hollow cylindrical, the lower end of the top cover (4) is provided with the first taper surface (41), the top cover (4)
Lower section be provided with several lock sleeves (5), be mutually embedded between the top of the lock sleeve (5) and afterbody, the lock sleeve (5)
Several first retaining strips (52) are provided with, the bottom of the screw rod (1) is provided with the first drive division (11), first drive division
(11) cross sectional shape is circle, and the first drive division (11) driving stop sleeve (6) is mobile, lock sleeve (5) stop sleeve
(6) it is engaged.
2. a kind of locking expansion bolt assembly as claimed in claim 1, it is characterised in that：The lock sleeve (5) also includes peace
Dress portion (51) and the second drive division (53), first retaining strip (52) are circularly and evenly distributed in the periphery of installation portion (51),
The lower section of the installation portion (51) is provided with the second drive division (53), and the outer wall of second drive division (53) is provided with the second taper surface
(531)。
3. a kind of locking expansion bolt assembly as claimed in claim 1, it is characterised in that：Section of first retaining strip (52)
Face is shaped as arc, and the inwall of first retaining strip (52) is provided with inclined plane (521), the inclined plane (521) and the first cone
Shape face (41) is engaged.
4. a kind of locking expansion bolt assembly as described in claim 1 or 3, it is characterised in that：The stop sleeve (6) also includes
Installation set (61) and the second retaining strip (62), the installation set (61) are shaped as annular, the external diameter of the installation set (61)
Length is not more than the outer diameter length of drive division (11), and second retaining strip (62) is identical with the structure of the first retaining strip (52).
5. a kind of locking expansion bolt assembly as claimed in claim 1, it is characterised in that：The top cover (4) also includes stop
Plate (42), the check plate (42) is engaged with packing ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621060891.0U CN206368882U (en) | 2016-09-19 | 2016-09-19 | A kind of locking expansion bolt assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621060891.0U CN206368882U (en) | 2016-09-19 | 2016-09-19 | A kind of locking expansion bolt assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206368882U true CN206368882U (en) | 2017-08-01 |
Family
ID=59388512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621060891.0U Active CN206368882U (en) | 2016-09-19 | 2016-09-19 | A kind of locking expansion bolt assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206368882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633582A (en) * | 2020-12-15 | 2022-06-17 | 德安百世实业股份有限公司 | Combined strengthening structure of spoke and joint of carbon fiber rim |
-
2016
- 2016-09-19 CN CN201621060891.0U patent/CN206368882U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633582A (en) * | 2020-12-15 | 2022-06-17 | 德安百世实业股份有限公司 | Combined strengthening structure of spoke and joint of carbon fiber rim |
| CN114633582B (en) * | 2020-12-15 | 2024-02-20 | 德安百世实业股份有限公司 | The combination of carbon fiber rim spokes and joints strengthens the structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106369031B (en) | A kind of modified form expansion bolt | |
| CN205605572U (en) | Simple and easy components of a whole that can function independently assembled bolt fastener | |
| CN206368882U (en) | A kind of locking expansion bolt assembly | |
| CN205117959U (en) | A location structure for mechanical fastening mechanism | |
| CN213655383U (en) | High-efficient expansion bolt that utilizes | |
| CN105626641B (en) | A kind of simple split assembled bolt fastener | |
| CN206111772U (en) | Simple and easy expansion bolts | |
| CN206111782U (en) | Bolt of connecting fastening | |
| CN105927642A (en) | Foundation expanding nut assembly | |
| CN206111771U (en) | Improvement type expansion bolts | |
| CN214036436U (en) | Concrete radial suspension self-tapping anchor bolt | |
| CN201187501Y (en) | Multi-point expansion bolt | |
| CN206111773U (en) | Prevent pivoted expansion bolts | |
| CN214533908U (en) | Self-locking stainless steel expansion bolt | |
| CN204805279U (en) | Blind nut | |
| CN203532474U (en) | Novel lock nut | |
| CN210978117U (en) | Harmless removable inflation screw | |
| CN206111801U (en) | Sealing bolt who connects fastening | |
| CN203822807U (en) | Screw | |
| CN203685240U (en) | Multi-stage conical synchronous expansion anchoring rod | |
| CN207145400U (en) | Base expanding and base expanding mechanical anchor after a kind of | |
| CN210739094U (en) | Automatic locking anti-loosening composite nut | |
| CN208586880U (en) | A kind of scaffold easy to disassemble and mobile | |
| CN202468599U (en) | Bolt set | |
| CN105538203A (en) | Fast cross wrench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 314300 No.18, Jinping Road, Qinshan street, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Yichen hardware (Zhejiang) Co.,Ltd. Address before: 314300 No.18, Jinping Road, Qinshan street, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG YICHEN HARDWARE Corp. |