CN206280338U - A kind of swell fixture - Google Patents
A kind of swell fixture Download PDFInfo
- Publication number
- CN206280338U CN206280338U CN201621200024.2U CN201621200024U CN206280338U CN 206280338 U CN206280338 U CN 206280338U CN 201621200024 U CN201621200024 U CN 201621200024U CN 206280338 U CN206280338 U CN 206280338U
- Authority
- CN
- China
- Prior art keywords
- face
- bolt
- bucking ladder
- swell fixture
- barrel
- 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 is related to tool part construction applications, in particular disclose a kind of swell fixture, including screw rod, expansion barrel and bolt, the expansion barrel and bolt sleeve are on the screw rod, the screw rod includes threaded portion, connecting portion and bucking ladder, the periphery wall of the threaded portion is provided with screw thread, one end of the connecting portion is connected with threaded portion, the other end is connected with the bucking ladder, the bucking ladder includes the first joint face and the second joint face, first joint face is connected with connecting portion, and towards the second joint face gradual change, diameter becomes larger for first connection；The expansion barrel includes first end face and second end face, and the first end face is near the bucking ladder；Expansion barrel is provided with multiple circular holes；Each circular hole is provided with the second open slot to corresponding first open slot, at least one circular hole is provided between the first end face with the second end face part.The smart structural design of the utility model embodiment, expansion effect is good, stable connection, and practicality is good.
Description
Technical field
The utility model is related to mechanical parts construction applications, more particularly to a kind of swell fixture.
Background technology
Screw is essential a kind of connector in daily life and industrial production, and in modern Application, in the market goes out
A kind of existing intumescent screw, particularly in building field, setscrew is common building masonry wall connection workpiece, and current
Setscrew due to structure design the problems such as, screw is difficult expansion, does not reach the expansion effect of anticipation, causes connection unstable
Gu, therefore be badly in need of improving.
Utility model content
The purpose of this utility model is to provide that a kind of reasonable in design, expansion effect be good and expanding screw of stable connection
Nail.
A kind of swell fixture that the utility model is provided, including screw rod, expansion barrel and bolt, the expansion barrel and spiral shell
Bolt is enclosed within the screw rod, and the screw rod includes threaded portion, connecting portion and bucking ladder, and the periphery wall of the threaded portion is provided with spiral shell
Line, one end of the connecting portion is connected with threaded portion, and the other end is connected with the bucking ladder, and the bucking ladder includes the first connection
Face and the second joint face, first joint face are connected with connecting portion, and described first connects towards the second joint face gradual change, diameter
Become larger；The expansion barrel includes first end face and second end face, and the first end face is near the bucking ladder；Expanding screw
Cylinder is provided with multiple circular holes；Each circular hole to being provided with corresponding first open slot between the first end face, at least one circular hole with
The second end face part is provided with the second open slot.
It is further that multiple first open slots are evenly distributed on the perisporium of the expansion barrel.
It is further that the bolt sleeve is close to the second end face on the threaded portion.
It is further that the bolt sleeve screws the bolt, expansion described in the bolt pusher behind the threaded portion
Barrel is close to bucking ladder, the first end face on the bucking ladder gradually to the second joint face it is close after, described first opens
The opening of mouth groove becomes larger, and after conduction to second open slot, the opening of second open slot becomes larger, and makes described
Expansion barrel expansion.
It is further between the bolt and the second end face, to be additionally provided with elastic washer, the week of the elastic washer
Wall is provided with fluting.
It is further that closed loop packing ring is provided between the elastic washer and bolt.
Swell fixture in the utility model, including screw rod, expansion barrel and bolt, the expansion barrel and bolt sleeve are in spiral shell
On bar, the screw rod includes threaded portion, connecting portion and bucking ladder, and bucking ladder includes the first joint face and the second joint face, first
Joint face is connected with connecting portion, and towards the second joint face gradual change, diameter becomes larger for the first connection；The expansion barrel includes the
End face and second end face, first end face is near the bucking ladder；Expansion barrel is provided with multiple circular holes；Each circular hole is to described
Corresponding first open slot is provided between first end face, at least one circular hole is provided with the second open slot with the second end face part.Cause
This, in the present embodiment, by setting expansion barrel, sets multiple circular holes on expansion barrel, and in circular hole near bucking ladder
One end sets open slot, and open slot is also provided with the other end, is become larger by the opening of open slot, makes under conduction described
Expansion barrel expansion, therefore, the smart structural design of the utility model embodiment, expansion effect is good, stable connection, practicality
It is good.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model, embodiment will be described below needed for be used
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some accompanying drawings of the utility model embodiment,
For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Other accompanying drawings.
Fig. 1 is a kind of structural representation of the embodiment of swell fixture of the present utility model；
Fig. 2 is a kind of structural representation of the screw rod of the embodiment of swell fixture of the present utility model；
Fig. 3 is a kind of structural representation of the expansion barrel of the embodiment of swell fixture of the present utility model；
Fig. 4 is a kind of structural representation at another visual angle of the expansion barrel of the embodiment of swell fixture of the present utility model
Figure.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
As shown in figure 1, being a kind of structural representation of the embodiment of swell fixture of the present utility model；As shown in Fig. 2 being
A kind of structural representation of the screw rod of the embodiment of swell fixture of the present utility model；The swell fixture of the present embodiment includes screw rod
1st, expand barrel 2 and bolt 3, it is described expansion barrel 2 and bolt 3 be enclosed within the screw rod 1, the screw rod 1 include threaded portion 11,
Connecting portion 12 and bucking ladder 13, the periphery wall of the threaded portion 11 are provided with screw thread 111, one end and threaded portion of the connecting portion 12
11 connections, the other end is connected with the bucking ladder 13, and the bucking ladder 13 includes the first joint face 131 and the second joint face 132,
First joint face 131 is connected with connecting portion 12, and, to the gradual change of the second joint face 132, diameter is gradually for first joint face 131
Become big；Exemplary, the bolt 3 is enclosed within the threaded portion 11, near the second end face 22.
As shown in figure 3, the structural representation of the expansion barrel for a kind of embodiment of swell fixture of the present utility model；Such as
It is a kind of structural representation at another visual angle of the expansion barrel of the embodiment of swell fixture of the present utility model shown in Fig. 4.This
In embodiment, the expansion barrel 2 includes first end face 21 and second end face 22, and the first end face 21 is near the bucking ladder
13；Expansion barrel 2 is provided with multiple circular holes 21；Each circular hole 21 is to being provided with corresponding first open slot between the first end face 21
22, at least one circular hole 21 is provided with the second open slot 23 for 22 with the second end face.
Preferably, multiple first open slots 22 are evenly distributed on the perisporium of the expansion barrel 2, used as preferred reality
Scheme is applied, in the present embodiment, after the bolt 3 is enclosed within the threaded portion 11, the bolt 3 is screwed, the bolt 3 promotes described
Expansion barrel 2 is close to bucking ladder 13, and the first end face 21 is gradually close on the bucking ladder 13 to the second joint face 132
Afterwards, the opening of first open slot 22 becomes larger, after conduction to second open slot 23, second open slot 23
Opening becomes larger, and expands the expansion barrel 2.Therefore, after the bolt 3 promotes expansion barrel 2, due to first
The quantity of open slot 22 is gradually blown for multiple, therefore multiple first open slots 22, and opening gradually increases, and forms larger conduction
Strength, conduction at the second opening 23.
In the present embodiment, between the bolt 3 and the second end face 22, elastic washer 4, the elastic washer are additionally provided with
4 perisporium is provided with fluting.Closed loop packing ring is provided between the elastic washer 4 and bolt 3.
Swell fixture in the utility model, including screw rod, expansion barrel and bolt, the expansion barrel and bolt sleeve are in spiral shell
On bar, the screw rod includes threaded portion, connecting portion and bucking ladder, and bucking ladder includes the first joint face and the second joint face, first
Joint face is connected with connecting portion, and towards the second joint face gradual change, diameter becomes larger for the first connection；The expansion barrel includes the
End face and second end face, first end face is near the bucking ladder；Expansion barrel is provided with multiple circular holes；Each circular hole is to described
Corresponding first open slot is provided between first end face, at least one circular hole is provided with the second open slot with the second end face part.Cause
This, in the present embodiment, by setting expansion barrel, sets multiple circular holes on expansion barrel, and in circular hole near bucking ladder
One end sets open slot, and open slot is also provided with the other end, is become larger by the opening of open slot, makes under conduction described
Expansion barrel expansion, therefore, the smart structural design of the utility model embodiment, expansion effect is good, stable connection, practicality
It is good.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of swell fixture, the swell fixture includes screw rod, expansion barrel and bolt, it is characterised in that the expanding screw
On the screw rod, the screw rod includes threaded portion, connecting portion and bucking ladder for cylinder and bolt sleeve, and the periphery wall of the threaded portion sets
The one end for having screw thread, the connecting portion is connected with threaded portion, and the other end is connected with the bucking ladder, and the bucking ladder includes first
Joint face and the second joint face, first joint face are connected with connecting portion, and described first connects towards the second joint face gradual change,
Diameter becomes larger；The expansion barrel includes first end face and second end face, and the first end face is near the bucking ladder；It is swollen
Swollen barrel is provided with multiple circular holes；To corresponding first open slot is provided between the first end face, at least one justifies each circular hole
Hole is provided with the second open slot with the second end face part.
2. swell fixture as claimed in claim 1, it is characterised in that multiple first open slots are evenly distributed on described swollen
On the perisporium of swollen barrel.
3. swell fixture as claimed in claim 2, it is characterised in that the bolt sleeve on the threaded portion, near described
Second end face.
4. swell fixture as claimed in claim 3, it is characterised in that the bolt sleeve is screwed described behind the threaded portion
Bolt, expansion barrel is close to bucking ladder described in the bolt pusher, and the first end face is on the bucking ladder gradually to the
After, the opening of first open slot becomes larger two joint faces, and after conduction to second open slot, described second opens
The opening of mouth groove becomes larger, and expands the expansion barrel.
5. swell fixture as claimed in claim 4, it is characterised in that between the bolt and the second end face, be additionally provided with
Elastic washer, the perisporium of the elastic washer is provided with fluting.
6. swell fixture as claimed in claim 5, it is characterised in that closed loop pad is provided between the elastic washer and bolt
Circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621200024.2U CN206280338U (en) | 2016-10-28 | 2016-10-28 | A kind of swell fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621200024.2U CN206280338U (en) | 2016-10-28 | 2016-10-28 | A kind of swell fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206280338U true CN206280338U (en) | 2017-06-27 |
Family
ID=59082129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621200024.2U Expired - Fee Related CN206280338U (en) | 2016-10-28 | 2016-10-28 | A kind of swell fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206280338U (en) |
-
2016
- 2016-10-28 CN CN201621200024.2U patent/CN206280338U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20170627 Termination date: 20171028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |