CN206309724U - Plastic dowel sleeve - Google Patents
Plastic dowel sleeve Download PDFInfo
- Publication number
- CN206309724U CN206309724U CN201720339563.2U CN201720339563U CN206309724U CN 206309724 U CN206309724 U CN 206309724U CN 201720339563 U CN201720339563 U CN 201720339563U CN 206309724 U CN206309724 U CN 206309724U
- Authority
- CN
- China
- Prior art keywords
- expansion
- dowel sleeve
- plastic dowel
- canned paragraph
- interlude
- 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
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a kind of plastic dowel sleeve, including expansion tube body, the front end of the expansion tube body is provided with expansion arc, rear end and is provided between canned paragraph, and the expansion arc and canned paragraph and is provided with interlude；Be provided with a space in the expansion arc, it is described between space through the front end of the expansion arc and the expansion arc is divided into two expansion tenons；Centre bore is provided with the interlude and canned paragraph, the centre bore with it is described between space be connected, and two dilatation joints intersected with the centre bore are provided with the interlude, and be divided into respectively the interlude positioned at two the branch auricles and the two panels expansion piece between two dilatation joints of the dilatation joint both sides by two dilatation joints；Ring-type convex tendon is interval with the periphery wall of the canned paragraph.Plastic dowel sleeve of the present utility model, can not only meet use requirement, and be applicable to the different medium of various coefficients of expansion, and the scope of application is wider, using more convenient.
Description
Technical field
The utility model is related to a kind of fastener, is specifically a kind of plastic dowel sleeve.
Background technology
Plastic dowel sleeve is used to fasten the connection of various middle group suspension member articles and install, and is supported the use with self-tapping screw.
When plastic dowel sleeve is installed, pre-manufactured hole is got out on wall according to plastic expansion pipe size, outside the size and expansion tube of pre-manufactured hole
Footpath one is to the length of pre-manufactured hole is generally than plastic expansion pipe range 5mm-7mm.Then supporting self-tapping screw is put into plastic expansion
In the canned paragraph of pipe, the length of self-tapping screw is that to add be the thickness for needing to hang screens, self-tapping screw for the length of plastic dowel sleeve
External diameter it is consistent with the internal diameter of plastic dowel sleeve porch.Then tapping is oppressed using instrument and shoots the swollen of plastic dowel sleeve
Swollen section, make expansion arc spreading and be brought into close contact with the hole wall of pre-manufactured hole on wall, reach required anchor force.
Although existing plastic dowel sleeve disclosure satisfy that use requirement to a certain extent, different media have
Different expansions, decoration worker need to prepare the expansion of various patterns, and it is to be understood that the function and the applicable peace of correspondence of various expansion
Dress medium, causes to use inconvenience.
The content of the invention
In view of this, the purpose of this utility model is to provide a kind of plastic dowel sleeve, can not only meet use requirement,
And the different medium of various coefficients of expansion is applicable to, the scope of application is wider, using more convenient.
To reach above-mentioned purpose, the utility model provides following technical scheme：
A kind of plastic dowel sleeve, including expansion tube body, the front end of the expansion tube body is provided with expansion arc, rear end and is provided with
Interlude is provided between canned paragraph, and the expansion arc and canned paragraph；
Be provided with a space in the expansion arc, it is described between space through the front end of the expansion arc and by the expansion arc
It is divided into two expansion tenons；
Be provided with centre bore in the interlude and canned paragraph, the centre bore with it is described between space be connected, and it is described in
Between two dilatation joints intersected with the centre bore are provided with section, and the interlude is divided into position respectively by two dilatation joints
In two the branch auricles and the two panels expansion piece between two dilatation joints of the dilatation joint both sides；
Ring-type convex tendon is interval with the periphery wall of the canned paragraph.
Further, between described the both sides side wall of space with the diameter parallel of the expansion tube body, and it is described between space
Both sides sidewall symmetry be arranged on it is described expansion tube body axis both sides.
Further, the dilatation joint and the diameter parallel for expanding tube body.
Further, two dilatation joints are symmetricly set on the both sides for expanding tube body.
Further, the branch auricle is provided with the journal stirrup of reversed acanthoid.
Further, two journal stirrups are provided with per a piece of branch auricle.
Further, the medial recess of the expansion piece and spacing between expansion piece described in two panels is made to be equal to the branch auricle
Width.
Further, convex tendon is interval with the lateral wall of the expansion piece, each convex tendon includes intersecting two
Convex tendon bar, the width between two convex tendon bars is gradually reduced along the direction that the canned paragraph points to the expansion arc.
Further, also it is interval with waling on the periphery wall of the canned paragraph.
Further, the front portion of two expansion tenons is provided with contiguous block.
The beneficial effects of the utility model are：
Plastic dowel sleeve of the present utility model, interlude is set by between sub- expansion arc and canned paragraph, and in centre
Two dilatation joints are opened up in section, be divided into interlude positioned at the branch auricle of both sides and positioned at middle expansion piece by two dilatation joints,
In this way, interlude has stronger swelliong power, the different medium of various coefficients of expansion is applicable to, the scope of application is wider, makes
With more facilitate.
Brief description of the drawings
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, the utility model provides as follows
Accompanying drawing is illustrated：
Fig. 1 is the structural representation of the utility model plastic dowel sleeve；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the A-A sectional views of Fig. 2；
Fig. 4 is the stereogram of the present embodiment plastic dowel sleeve.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art
The utility model can be better understood from and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
As shown in figure 1, being the structural representation of the utility model plastic dowel sleeve.The plastic dowel sleeve of the present embodiment, bag
Expansion tube body is included, the front end of the expansion tube body is provided with expansion arc 1, rear end and is provided with canned paragraph 2, and the He of the expansion arc 1
Interlude 3 is provided between canned paragraph 2.Be provided with a space 4 in the expansion arc 1 of the present embodiment, it is described between space 4 run through the expansion
The front end of section 1 and be two expansion tenons 5, two front portions of the expansion tenon 5 of the present embodiment by 1 point of the expansion arc
Contiguous block 6 is provided with, being capable of effective enhancing structure intensity.
Be provided with centre bore 14 in interlude 3 and canned paragraph 2, the centre bore 14 with it is described between space 4 be connected, it is and described
It is provided with two dilatation joints 7 intersected with the centre bore 14 in interlude 3, and two dilatation joints 7 are by 3 points of the interlude
To be located at two the branch auricles 8 and the two panels expansion piece 9 between two dilatation joints 7 of the both sides of the dilatation joint 7 respectively.
It is interval with the periphery wall of the canned paragraph 2 on ring-type convex tendon 10, and the periphery wall of canned paragraph 2 and is also interval with
Waling 11.
Further, between the present embodiment the both sides side wall of space 4 with the diameter parallel of the expansion tube body, it is and described
Between space 4 both sides sidewall symmetry be arranged on it is described expansion tube body axis both sides.The dilatation joint 7 of the present embodiment and institute
The diameter parallel of expansion tube body is stated, and two dilatation joints 7 are symmetricly set on the both sides for expanding tube body.
Further, the branch auricle 8 of the present embodiment is provided with the journal stirrup 12 of reversed acanthoid, and the present embodiment is every a piece of described
Branch auricle 8 is provided with two journal stirrups 12.Prevent from falling back.
Further, the medial recess of the expansion piece 9 of the present embodiment and spacing between expansion piece 9 described in two panels is made to be equal to institute
State the width of branch auricle 8.Convex tendon 13 is interval with the lateral wall of the expansion piece 9 of the present embodiment, each convex tendon 13 is wrapped
Two intersecting convex tendon bars are included, the width between two convex tendon bars points to the side of the expansion arc 1 along the canned paragraph 2
To being gradually reduced.The one side of convex tendon 13 can play a part of to strengthen the intensity of expansion piece 9, on the other hand can prevent expansion tube body from falling
Move back, play a part of hangnail.
The plastic dowel sleeve of the present embodiment, interlude is set by between sub- expansion arc and canned paragraph, and in interlude
On open up two dilatation joints, be divided into interlude positioned at the branch auricle of both sides and positioned at middle expansion piece, such as by two dilatation joints
This, interlude has stronger swelliong power, is applicable to the different medium of various coefficients of expansion, and the scope of application is wider, uses
More facilitate.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model
Protection domain not limited to this.Equivalent substitute or change that those skilled in the art are made on the basis of the utility model
Change, within protection domain of the present utility model.Protection domain of the present utility model is defined by claims.
Claims (10)
1. a kind of plastic dowel sleeve, it is characterised in that：Including expansion tube body, the front end of the expansion tube body is provided with expansion
Section, rear end are provided between canned paragraph, and the expansion arc and canned paragraph and are provided with interlude；
Be provided with a space in the expansion arc, it is described between space through the front end of the expansion arc and the expansion arc is divided into
Two expansion tenons；
Be provided with centre bore in the interlude and canned paragraph, the centre bore with it is described between space be connected, and the interlude
Two dilatation joints intersected with the centre bore are inside provided with, and be divided into respectively the interlude positioned at two by two dilatation joints
The branch auricle of dilatation joint both sides described in bar and the two panels expansion piece between two dilatation joints；
Ring-type convex tendon is interval with the periphery wall of the canned paragraph.
2. plastic dowel sleeve according to claim 1, it is characterised in that：The both sides side wall of described space is swollen with described
The diameter parallel of tube expansion body, and it is described between space both sides sidewall symmetry be arranged on it is described expansion tube body axis both sides.
3. plastic dowel sleeve according to claim 1, it is characterised in that：The dilatation joint and the axle for expanding tube body
Line is parallel.
4. plastic dowel sleeve according to claim 3, it is characterised in that：Two dilatation joints are symmetricly set on described swollen
The both sides of tube expansion body.
5. plastic dowel sleeve according to claim 4, it is characterised in that：The branch auricle is provided with the branch of reversed acanthoid
Ear.
6. plastic dowel sleeve according to claim 5, it is characterised in that：Two branch are provided with per a piece of branch auricle
Ear.
7. plastic dowel sleeve according to claim 4, it is characterised in that：The medial recess of the expansion piece simultaneously makes two panels institute
State the width that the spacing between expansion piece is equal to the branch auricle.
8. plastic dowel sleeve according to claim 7, it is characterised in that：It is interval with the lateral wall of the expansion piece convex
Muscle, each convex tendon includes two intersecting convex tendon bars, and the width between two convex tendon bars is along the canned paragraph
The direction for pointing to the expansion arc is gradually reduced.
9. plastic dowel sleeve according to claim 1, it is characterised in that：Also it is interval with the periphery wall of the canned paragraph
Waling.
10. plastic dowel sleeve according to claim 1, it is characterised in that：The front portion of two expansion tenons is provided with company
Connect block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720339563.2U CN206309724U (en) | 2017-04-01 | 2017-04-01 | Plastic dowel sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720339563.2U CN206309724U (en) | 2017-04-01 | 2017-04-01 | Plastic dowel sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206309724U true CN206309724U (en) | 2017-07-07 |
Family
ID=59248983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720339563.2U Expired - Fee Related CN206309724U (en) | 2017-04-01 | 2017-04-01 | Plastic dowel sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206309724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195735A (en) * | 2019-06-06 | 2019-09-03 | 常洁 | A kind of expansible plug |
-
2017
- 2017-04-01 CN CN201720339563.2U patent/CN206309724U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195735A (en) * | 2019-06-06 | 2019-09-03 | 常洁 | A kind of expansible plug |
| CN110195735B (en) * | 2019-06-06 | 2024-06-04 | 常洁 | Expansion bolt |
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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: 20170707 Termination date: 20210401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |