CN109139644A - A kind of two-way Anti-extrusion expansion tube - Google Patents
A kind of two-way Anti-extrusion expansion tube Download PDFInfo
- Publication number
- CN109139644A CN109139644A CN201811329036.9A CN201811329036A CN109139644A CN 109139644 A CN109139644 A CN 109139644A CN 201811329036 A CN201811329036 A CN 201811329036A CN 109139644 A CN109139644 A CN 109139644A
- Authority
- CN
- China
- Prior art keywords
- elastic slice
- side elastic
- pipe
- expansion tube
- rank
- 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.)
- Granted
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 17
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a kind of two-way Anti-extrusion expansion tubes, including tube body, end plate, first side elastic slice, second side elastic slice and only elastic slice, the tube body includes the first rank pipe and second-order pipe, the end plate is located at the other end of the first rank pipe, first through hole is equipped in the first rank pipe, the first through hole inner wall is equipped with internal screw thread, first side elastic slice and second side elastic slice are fixed on second-order pipe respectively, the other end insertion tubular body of second side elastic slice is simultaneously connected with each other by stopping elastic slice, the second-order pipe is equipped with guide part far from one end of the first rank pipe, the second-order pipe is equipped with the grooving to connect with first through hole, the surface of the second-order pipe is uniformly provided with convex tooth, only elastic slice is broken by the screw of precession, to make second side elastic slice pop up, utilize the first side elastic slice and second side on the second-order pipe of spreading Elastic slice guarantees the retaining effect of expansion tube from two inclined directions.
Description
[technical field]
The present invention relates to the technical field of expansion tube, especially a kind of technical field of two-way Anti-extrusion expansion tube.
[background technique]
Plastic dowel sleeve is used to fasten the connection and installation of various middle group pendant articles, matches with screw.Plastics
Expansion tube generally includes the expansion arc positioned at front end and fixed section positioned at rear end, wherein opened up in the middle part of expansion arc it is jagged,
The inside of fixed section is equipped with threaded hole matched with screw, and threaded hole and notch are interconnected, and the middle line of expansion arc and fixation
The axis of section threaded hole is overlapped.
When plastic dowel sleeve is installed, pre-manufactured hole is drilled out on wall according to plastic expansion pipe size, the size of pre-manufactured hole with
Expand pipe outside diameter one to.Then matched screw is put into the fixed section of plastic dowel sleeve, the length of screw is plastic expansion
It is the thickness for needing to hang detent that the length of pipe, which adds, and self-tapping screw outer diameter is consistent with the internal diameter of plastic dowel sleeve inlet.Then
The expansion arc that tapping compressing is shot to plastic dowel sleeve using tool, makes expansion arc spreading and the hole wall with pre-manufactured hole on wall
It is close to close, reach required anchor force.But held for a long time in the other end of more loose plate using the screw screwed in
Easily cause the reverse movement of expansion tube, and existing expansion tube can only achieve the retaining effect contrary with screw precession.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, a kind of two-way Anti-extrusion expansion tube, Neng Goutong are proposed
The screw for crossing precession breaks only elastic slice, so that second side elastic slice be made to pop up, utilizes the first side elastic slice on the second-order pipe of spreading
The retaining effect for guaranteeing expansion tubes from two inclined directions with second side elastic slice, allow expansion tube be preferably fixed on wall or
Inside person's plate, it is not easy to slip.
To achieve the above object, the invention proposes a kind of two-way Anti-extrusion expansion tubes, including tube body, end plate, the first side
Elastic slice, second side elastic slice and only elastic slice, the tube body include that the first rank pipe and second-order pipe, the end plate are located at the first rank
The other end of pipe, the first rank pipe is interior to be equipped with first through hole, and the first through hole inner wall is equipped with internal screw thread, first side
Elastic slice and second side elastic slice are fixed on second-order pipe respectively, and the other end insertion tubular body of second side elastic slice simultaneously passes through only
Elastic slice is connected with each other, and the second-order pipe is equipped with guide part far from one end of the first rank pipe, and the second-order pipe is equipped with and the
The surface of the grooving that one through-hole connects, the second-order pipe is uniformly provided with convex tooth.
Preferably, the surface of the first rank pipe is equipped with several reinforcing ribs, one end and the end plate phase of the reinforcing rib
Connection.
Preferably, the grooving runs through guide part.
Preferably, the second-order pipe surface is equipped with the second through-hole being inserted into for second side elastic slice.
Preferably, the quantity of first side elastic slice and second side elastic slice equal at least two, first side elastic slice
Position with second side elastic slice is respectively close to end plate and guide part.
Preferably, the retaining direction of the convex tooth and the first side elastic slice is consistent, the retaining direction of second side elastic slice
It is inconsistent with the retaining direction of convex tooth and the first side elastic slice.
Preferably, the only elastic slice includes contact pin and the connector positioned at contact pin both ends, the other end of the connector and the
Two side elastic slices are connected, and the junction between the contact pin and connector is equipped with point off and groove.
Beneficial effects of the present invention: the present invention breaks only elastic slice by the screw of precession, so that second side elastic slice is popped up,
Using on the second-order pipe of spreading the first side elastic slice and second side elastic slice from two inclined directions guarantee that the retaining of expansion tubes is made
With being fixed on expansion tube preferably inside wall or plate, be not easy to slip.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is main view when a kind of second side elastic slice of two-way Anti-extrusion expansion tube of the present invention does not pop up；
Fig. 2 is main view when a kind of second side elastic slice of two-way Anti-extrusion expansion tube of the present invention has popped up.
In figure: 1- tube body, the first rank of 11- pipe, 111- reinforcing rib, 112- first through hole, 12- second-order pipe, the convex tooth of 121-,
122- grooving, 123- guide part, 2- end plate, the first side 3- elastic slice, 4- second side elastic slice, 5- stop elastic slice, 51- connector, 52- contact pin
With 53- groove.
[specific embodiment]
Refering to fig. 1 and Fig. 2, a kind of two-way Anti-extrusion expansion tube of the present invention, including tube body 1, end plate 2, the first side elastic slice 3,
Second side elastic slice 4 and only elastic slice 5, the tube body 1 include the first rank pipe 11 and second-order pipe 12, and the end plate 2 is located at the
The other end of single order pipe 11, the first rank pipe 11 is interior equipped with first through hole 112, and 112 inner wall of first through hole is equipped with interior
Screw thread, first side elastic slice 3 and second side elastic slice 4 are fixed on second-order pipe 12 respectively, the other end of second side elastic slice 4
1 inside of insertion tube body is simultaneously connected with each other by stopping elastic slice 5, and the second-order pipe 12 is equipped with guiding far from one end of the first rank pipe 11
Portion 123, the second-order pipe 12 are equipped with the grooving 122 to connect with first through hole 112, and the surface of the second-order pipe 12 is equal
Even to be equipped with convex tooth 121, the surface of the first rank pipe 11 is equipped with several reinforcing ribs 111, one end and end of the reinforcing rib 111
Plate 2 is connected, and the grooving 122 runs through guide part 16, and 12 surface of second-order pipe is equipped with the be inserted into for second side elastic slice 4
The quantity equal at least two of two through-holes 124, first side elastic slice 3 and second side elastic slice 4, first side elastic slice 3 and
The position of two side elastic slices 4 is respectively close to end plate 2 and guide part 123, the retaining direction one of the convex tooth 121 and the first side elastic slice 3
It causes, the retaining direction of second side elastic slice 4 and the retaining direction of convex tooth 121 and the first side elastic slice 3 are inconsistent, the only elastic slice
5 include contact pin 52 and the connector 51 positioned at 52 both ends of contact pin, and the other end of the connector 51 is connected with second side elastic slice 4, institute
The junction stated between contact pin 52 and connector 51 is equipped with point off and groove 53.
The course of work of the present invention:
A kind of two-way Anti-extrusion expansion tube of the present invention during the work time, drills out one in advance on wall or plate first
Hole is set, then expansion tube is knocked in the guide part of expansion tube 123 in the preset holes being drilled to towards preset holes, then, then
Screw is screwed in expansion tube.With the precession of screw, 12 front half section of second-order pipe of expansion tube gradually deforms and spreading.Work as rotation
Into the bottom end of screw touch and oppress only elastic slice 5 when, the precessing force of screw eventually results in connector 51 and contact pin 52 from point off
Place disconnects, to make second side elastic slice 4 pop up and resist the hole of preset holes from two inclined directions together with the first side elastic slice 3
Wall.Point off and groove 53 assist screw, disconnect connector 51 and contact pin 52.
The present invention breaks only elastic slice by the screw of precession, so that second side elastic slice be made to pop up, utilizes the second-order of spreading
The first side elastic slice and second side elastic slice on pipe guarantee the retaining effect of expansion tube from two inclined directions, allow expansion tube more
It is fixed on well inside wall or plate, is not easy to slip.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (7)
1. a kind of two-way Anti-extrusion expansion tube, it is characterised in that: including tube body (1), end plate (2), the first side elastic slice (3), second
Side elastic slice (4) and only elastic slice (5), the tube body (1) include the first rank pipe (11) and second-order pipe (12), the end plate
(2) it is located at the other end of the first rank pipe (11), is equipped with first through hole (112) in the first rank pipe (11), described first is logical
Hole (112) inner wall is equipped with internal screw thread, and first side elastic slice (3) and second side elastic slice (4) are fixed on second-order pipe (12) respectively,
Other end insertion tube body (1) of second side elastic slice (4) is internal and is connected with each other by stopping elastic slice (5), the second-order pipe
(12) one end far from the first rank pipe (11) is equipped with guide part (123), and the second-order pipe (12) is equipped with and first through hole
(112) surface of the grooving (122) to connect, the second-order pipe (12) is uniformly provided with convex tooth (121).
2. a kind of two-way Anti-extrusion expansion tube as described in claim 1, it is characterised in that: the surface of the first rank pipe (11)
Equipped with several reinforcing ribs (111), one end of the reinforcing rib (111) is connected with end plate (2).
3. a kind of two-way Anti-extrusion expansion tube as described in claim 1, it is characterised in that: the grooving (122) is through guiding
Portion (16).
4. a kind of two-way Anti-extrusion expansion tube as described in claim 1, it is characterised in that: second-order pipe (12) surface is set
There is the second through-hole (124) for second side elastic slice (4) insertion.
5. a kind of two-way Anti-extrusion expansion tube as described in claim 1, it is characterised in that: first side elastic slice (3) and the
The position of the quantity equal at least two of two side elastic slices (4), first side elastic slice (3) and second side elastic slice (4) respectively close to
End plate (2) and guide part (123).
6. a kind of two-way Anti-extrusion expansion tube as described in claim 1, it is characterised in that: the convex tooth (121) and the first side
The retaining direction of elastic slice (3) is consistent, the retaining direction of second side elastic slice (4) and convex tooth (121) and the first side elastic slice (3)
Retaining direction is inconsistent.
7. a kind of two-way Anti-extrusion expansion tube as described in claim 1, it is characterised in that: only elastic slice (5) include contact pin
(52) it is connected with the connector (51) positioned at contact pin (52) both ends, the other end of the connector (51) with second side elastic slice (4), institute
The junction stated between contact pin (52) and connector (51) is equipped with point off and groove (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811329036.9A CN109139644B (en) | 2018-11-09 | 2018-11-09 | Bidirectional anti-falling expansion pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811329036.9A CN109139644B (en) | 2018-11-09 | 2018-11-09 | Bidirectional anti-falling expansion pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109139644A true CN109139644A (en) | 2019-01-04 |
| CN109139644B CN109139644B (en) | 2024-04-23 |
Family
ID=64807937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811329036.9A Active CN109139644B (en) | 2018-11-09 | 2018-11-09 | Bidirectional anti-falling expansion pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139644B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2447554Y (en) * | 2000-09-12 | 2001-09-12 | 张炳春 | Multi-purpose expansion screw |
| CN206092633U (en) * | 2016-08-31 | 2017-04-12 | 浙江天开实业有限公司 | Expansion bolts cover that antiskid is taken off |
| CN206386360U (en) * | 2017-04-01 | 2017-08-08 | 浙江天开实业有限公司 | The all-round expansion tube of multimedium |
| CN207454474U (en) * | 2017-09-21 | 2018-06-05 | 乐清市惠华电子有限公司 | A kind of expansion tube |
| CN209041276U (en) * | 2018-11-09 | 2019-06-28 | 浙江天开实业有限公司 | A kind of two-way Anti-extrusion expansion tube |
-
2018
- 2018-11-09 CN CN201811329036.9A patent/CN109139644B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2447554Y (en) * | 2000-09-12 | 2001-09-12 | 张炳春 | Multi-purpose expansion screw |
| CN206092633U (en) * | 2016-08-31 | 2017-04-12 | 浙江天开实业有限公司 | Expansion bolts cover that antiskid is taken off |
| CN206386360U (en) * | 2017-04-01 | 2017-08-08 | 浙江天开实业有限公司 | The all-round expansion tube of multimedium |
| CN207454474U (en) * | 2017-09-21 | 2018-06-05 | 乐清市惠华电子有限公司 | A kind of expansion tube |
| CN209041276U (en) * | 2018-11-09 | 2019-06-28 | 浙江天开实业有限公司 | A kind of two-way Anti-extrusion expansion tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109139644B (en) | 2024-04-23 |
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