CN205533624U - Flange sleeve pipe expansion bolts subassembly - Google Patents
Flange sleeve pipe expansion bolts subassembly Download PDFInfo
- Publication number
- CN205533624U CN205533624U CN201620373363.4U CN201620373363U CN205533624U CN 205533624 U CN205533624 U CN 205533624U CN 201620373363 U CN201620373363 U CN 201620373363U CN 205533624 U CN205533624 U CN 205533624U
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- CN
- China
- Prior art keywords
- screw rod
- bolt assembly
- flange sleeve
- flange
- expansion
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Abstract
The utility model belongs to the technical field of the fastener, especially, relate to a flange sleeve pipe expansion bolts subassembly. It has solved the unreasonable scheduling problem of prior art design. This flange sleeve pipe expansion bolts subassembly includes that one end has the screw rod of cone and the little head end of cone is connected with the screw rod, and the internal diameter that the cover was equipped with expansion pipe and expansion pipe on the screw rod is lighter than cone stub end external diameter, is equipped with the through -hole that a plurality of circumference distribute at the middle part of expansion pipe, is equipped with between two adjacent through -holes along the radial convex arch of expansion pipe, and the pot head of keeping away from the cone at the screw rod is equipped with the flange nut with screw rod threaded connection. The utility model has the advantages of: 1, it is more reasonable to design, can improve the firm nature of structure after the installation, has avoided the obscission. 2, simple structure and easily manufacturing. 3, long service life.
Description
Technical field
This utility model belongs to technical field of fastening, particularly relates to a kind of flange sleeve swollen
Swollen bolt assembly.
Background technology
Expansion bolt, be pipeline is propped up/hangs/bracket or equipment is fixing on the wall, on floor,
A kind of special thread connector used on post.
Such as, Chinese patent discloses a kind of expansion bolt, application number
[201220561622.8], its expanding screw that only just can take out completely from one end of bolt hole
Bolt, described expansion bolt includes screw rod, expansion sleeve and nut, packing ring, one end of screw rod
For the external thread section with nut screw connection, the other end of screw rod is and expansion sleeve cone match
Round platform, is provided with sleeve pipe at screw jacket, and the two ends of sleeve pipe bear against in packing ring and expansion
Putting, during expansion sleeve distending, the end face of expansion sleeve is beyond the end face of screw rod, and its connection can
Lean on, detachably, be especially suitable for being rigidly connected temporarily.
Although above-mentioned scheme has many advantages, but, this bolt its most at least
There is techniques below problem: after expansion sleeve is extruded expansion, its outer wall forms taper and connects
Contacting surface, or there is the caducous technical problem of appearance.
Utility model content
The purpose of this utility model is for the problems referred to above, it is provided that a kind of design more rationally and
It can be avoided that the flange sleeve expansion bolt assembly come off.
For reaching above-mentioned purpose, this utility model have employed following technical proposal: this flange
Casing expandable bolt assembly includes that one end has the screw rod of conical head and the little head end of conical head
It is connected with screw rod, screw rod is arranged with the internal diameter of expansion tube and expansion tube less than conical head
Stub end external diameter, is provided with the through hole of some circle distribution at the middle part of expansion tube, adjacent
Two through holes between be provided with the projection along expansion tube radially protruding, at screw rod away from taper
One end of head is arranged with the flange nut being connected with screw flight.It is provided with at expansion tube inwall
Ceramic wearing coat.In the middle of protruding height, low two ends are high.Convex surfaces has arc-shaped concave.
In above-mentioned flange sleeve expansion bolt assembly, described through hole even circumferential divides
Cloth.This structure is easy to processing and manufacturing.
In above-mentioned flange sleeve expansion bolt assembly, described through hole is strip through-hole.
In above-mentioned flange sleeve expansion bolt assembly, described protruding even circumferential divides
Cloth.This structure is easy to processing and manufacturing.
In above-mentioned flange sleeve expansion bolt assembly, described expansion tube inwall is provided with
The groove corresponding with described projection.
In above-mentioned flange sleeve expansion bolt assembly, described expansion tube is by metallic plate
Material is bent to form.Improve production efficiency.
In above-mentioned flange sleeve expansion bolt assembly, described expansion tube is near flange
One end of nut is provided with some axially arranged along expansion tube and connects with described through hole one by one
Logical fluting.
In above-mentioned flange sleeve expansion bolt assembly, described expansion tube is provided with fluting
One end outer wall be provided with patterned structure.
In above-mentioned flange sleeve expansion bolt assembly, described screw rod is with conical head even
For integral type structure.
In above-mentioned flange sleeve expansion bolt assembly, described flange nut is flange
Self-locking nut.
Compared with prior art, the advantage of this flange casing expandable bolt assembly is: 1,
It is more reasonable to design, it is possible to increase the structure fixing after installation, it is to avoid obscission.2、
Simple in construction and easily fabricated.3, service life is long.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram that this utility model provides.
In figure, screw rod 1, conical head 11, expansion tube 2, through hole 21, protruding 22, recessed
Groove 23, fluting 24, flange nut 3.
Detailed description of the invention
With detailed description of the invention the present invention done further details of theory below in conjunction with the accompanying drawings
Bright.
As it is shown in figure 1, this flange casing expandable bolt assembly includes that one end has conical head
The screw rod 1 of 11 and the little head end of conical head 11 are connected with screw rod 1, screw rod 1 and taper
11 are connected as a single entity structure.
Screw rod 1 is arranged with the internal diameter of expansion tube 2 and expansion tube 2 less than conical head 11
Stub end external diameter, is provided with the through hole 21 of some circle distribution at the middle part of expansion tube 2, should
Through hole 21 even circumferential is distributed.Secondly, through hole 21 is strip through-hole.Through hole 21 punching press
Formed.It is provided with the projection along expansion tube 2 radially protruding between two adjacent through holes 21
22, protruding 22 even circumferentials are distributed and in strip structure.Secondly, expansion tube 2 inwall sets
There is the groove 23 corresponding with described projection 22.
It is arranged with, away from one end of conical head 11, the method threadeded with screw rod 1 at screw rod 1
Blue nut 3.Flange nut 3 is flange self-locking nut.
Secondly, expansion tube 2 is bent to form by sheet metal.
It addition, be provided with some along expansion near one end of flange nut 3 at expansion tube 2
Pipe 2 fluting 24 that is axially arranged and that connect with described through hole 21 one by one.At expansion tube 2
One end outer wall being provided with fluting 24 is provided with patterned structure.
In the present embodiment, described expansion tube 2 is extruded when flange nut 3 so that expanding
When pipe 2 expands, expansion tube 2 outer wall and protruding 22 can be touched simultaneously, virtually carries
The high fixing installed, it is to avoid the phenomenon come off.
Specific embodiment described herein is only for example to this utility model spirit
Explanation.This utility model person of ordinary skill in the field can be to described concrete
Embodiment is made various amendment or supplements or use similar mode to substitute, but not
Spirit of the present utility model can be deviateed or surmount model defined in appended claims
Enclose.
Although the most more employing screw rod 1, conical head 11, expansion tube 2, through hole
21, the term such as protruding 22, groove 23, fluting 24, flange nut 3, but do not arrange
Except the probability using other term.Use these terms to be only used to more easily to retouch
State and explain essence of the present utility model；It is construed as any additional restriction
It is all contrary with this utility model spirit.
Claims (10)
1. a flange sleeve expansion bolt assembly, has conical head (11) including one end
Screw rod (1) and the little head end of conical head (11) be connected, at screw rod with screw rod (1)
(1) internal diameter of expansion tube (2) and expansion tube (2) it is arranged with on less than conical head (11)
Stub end external diameter, it is characterised in that be provided with some circumference at the middle part of expansion tube (2) and divide
The through hole (21) of cloth, is provided with along expansion tube (2) between two adjacent through holes (21)
The projection (22) of radially protruding, overlaps away from one end of conical head (11) at screw rod (1)
It is provided with the flange nut (3) threadeded with screw rod (1).
Flange sleeve expansion bolt assembly the most according to claim 1, its feature exists
In, described through hole (21) even circumferential distribution.
Flange sleeve expansion bolt assembly the most according to claim 1 and 2, it is special
Levying and be, described through hole (21) is strip through-hole.
Flange sleeve expansion bolt assembly the most according to claim 1, its feature exists
In, described projection (22) even circumferential distribution.
Flange sleeve expansion bolt assembly the most according to claim 4, its feature exists
It is provided with corresponding with described projection (22) recessed in, described expansion tube (2) inwall
Groove (23).
Flange sleeve expansion bolt assembly the most according to claim 1, its feature exists
In, described expansion tube (2) is bent to form by sheet metal.
Flange sleeve expansion bolt assembly the most according to claim 6, its feature exists
In, described expansion tube (2) be provided with near one end of flange nut (3) some along
Expansion tube (2) fluting (24) that is axially arranged and that connect with described through hole (21) one by one.
Flange sleeve expansion bolt assembly the most according to claim 7, its feature exists
In, described expansion tube (2) is provided with one end outer wall of fluting (24) and is provided with patterned structure.
Flange sleeve expansion bolt assembly the most according to claim 1, its feature exists
In, described screw rod (1) is connected as a single entity structure with conical head (11).
Flange sleeve expansion bolt assembly the most according to claim 1, its feature exists
In, described flange nut (3) is flange self-locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620373363.4U CN205533624U (en) | 2016-04-28 | 2016-04-28 | Flange sleeve pipe expansion bolts subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620373363.4U CN205533624U (en) | 2016-04-28 | 2016-04-28 | Flange sleeve pipe expansion bolts subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205533624U true CN205533624U (en) | 2016-08-31 |
Family
ID=56795027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620373363.4U Active CN205533624U (en) | 2016-04-28 | 2016-04-28 | Flange sleeve pipe expansion bolts subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205533624U (en) |
-
2016
- 2016-04-28 CN CN201620373363.4U patent/CN205533624U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zheng Bikui Inventor before: Feng Jun |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170531 Address after: Baiyun District of Guangzhou City, Guangdong province 510515 street and with the same road No. 283 Guangdong Tianjian Home Furnishing decoration Plaza A building three layer Patentee after: Guangdong top technology development Co., Ltd. Address before: 314100. 2 building, No. 72, Dong Xi Road, Tian Ning Town, Jiaxing County, Zhejiang, Jiashan Patentee before: JIASHAN WEIGU FASTENER CO., LTD. |