CN209569247U - A kind of assembling expausion screw - Google Patents
A kind of assembling expausion screw Download PDFInfo
- Publication number
- CN209569247U CN209569247U CN201920121167.1U CN201920121167U CN209569247U CN 209569247 U CN209569247 U CN 209569247U CN 201920121167 U CN201920121167 U CN 201920121167U CN 209569247 U CN209569247 U CN 209569247U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- expansion
- screw
- expausion
- assembling
- 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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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to expansion bolt technical fields, especially a kind of assembling expausion screw, including the first screw rod, the outside of first screw rod is socketed with tabletting and loop bar from top to bottom, and the lower end of loop bar is pyramidal structure, the lower end of first screw rod is equipped with threaded hole, the internal whorl of the threaded hole is connected with the second screw rod, expansion sleeve is socketed on the outside of second screw rod, the upper and lower part of the expansion sleeve is equipped with multiple expansion clearances, and the lower end of second screw rod is fixedly installed with conical head.The cap rotation that the utility model is equipped with, nut drive tabletting mobile, and tabletting drives loop bar mobile, under the action of conical head, expansion sleeve is extruded, the both ends expansion of expansion sleeve, to realize the fixation with connector, compared to the prior art, structure is simple for the utility model, it is easy to use, connective stability can be greatly improved, using effect is good, and bonding strength is high, it is practical, it is worth of widely use.
Description
Technical field
The utility model relates to expansion bolt technical field more particularly to a kind of assembling expausion screws.
Background technique
Expansion bolt is that one kind pipeline branch/hang/bracket or equipment is fixed on the wall, on floor, used on column is special
Threaded connector.Existing expansion bolt is generally only one end expansion of expansion sleeve, to make consolidating for expansion bolt when in use
Determine effect shakiness, the using effect of expansion bolt is reduced, in view of the above-mentioned problems, it is proposed that a kind of assembling expausion screw.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of combined type expansion proposed
Bolt.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of assembling expausion screw, including the first screw rod are designed, the outside of first screw rod is socketed with from top to bottom
Tabletting and loop bar, and the lower end of loop bar is pyramidal structure, the lower end of first screw rod are equipped with threaded hole, the threaded hole it is interior
Portion is threaded with the second screw rod, and expansion sleeve is socketed on the outside of second screw rod, and the upper and lower part of the expansion sleeve is equal
Equipped with multiple expansion clearances, the lower end of second screw rod is fixedly installed with conical head.
Preferably, two side lower part of the first screw rod is symmetrically arranged with jack, and two upper lateral part of the second screw rod is symmetrically arranged with
Mounting hole, the upper end of first screw rod are equipped with the moving hole communicated with mounting hole, and the inside of the moving hole is equipped with push rod,
The lower end of the push rod is pyramidal structure, and the inside of the mounting hole is equipped with inserted link, is connected with bullet between two inserted links
Spring, the top of the opposite one end of two inserted links are pyramidal structure.
Preferably, the quantity of expansion clearance described in upper and lower part is no less than 3.
Preferably, second screw rod and conical head are an integral molding structure.
Preferably, the middle inside of the expansion sleeve is equipped with protrusion, and the second screw rod is through protrusion.
The utility model proposes a kind of assembling expausion screw, beneficial effect is: the nut that the utility model is equipped with
Rotation, nut drive tabletting mobile, and tabletting drives loop bar mobile, and under the action of conical head, expansion sleeve is extruded, expansion sleeve
Both ends expansion, to realize the fixation with connector, compared to the prior art, structure is simple for the utility model, easy to use, energy
Connective stability is enough greatly improved, using effect is good, and bonding strength is high, and it is practical, it is worth of widely use.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of assembling expausion screw schematic diagram of internal structure；
Fig. 2 be the utility model proposes a kind of assembling expausion screw main view schematic diagram；
Fig. 3 be the utility model proposes a kind of assembling expausion screw the portion A structural schematic diagram.
In figure: the first screw rod 1, loop bar 2, expansion sleeve 3, nut 4, tabletting 5, the second screw rod 6, conical head 7, expansion clearance 8,
Push rod 9, moving hole 10, inserted link 11, spring 12, mounting hole 13, jack 14, threaded hole 15.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of assembling expausion screw, including the first screw rod 1, the first 1 liang of screw rod side lower part are symmetrically arranged with
Jack 14, the second 6 liang of screw rod upper lateral part are symmetrically arranged with mounting hole 13, and the upper end of the first screw rod 1 is equipped with to be communicated with mounting hole 13
Moving hole 10, the inside of moving hole 10 are equipped with push rod 9, and the lower end of push rod 9 is pyramidal structure, and the inside of mounting hole 13 is equipped with
Inserted link 11 is connected with spring 12 between two inserted links 11, and the top of the opposite one end of two inserted links 11 is pyramidal structure, can be right
The position of second screw rod 6 is defined, and prevents the second screw rod 6 and threaded hole 15 from rotating.
The outside of first screw rod 1 is socketed with tabletting 5 and loop bar 2 from top to bottom, and the lower end of loop bar 2 is pyramidal structure, the
The lower end of one screw rod 1 is equipped with threaded hole 15, and the internal whorl of threaded hole 15 is connected with the second screw rod 6, the second screw rod 6 and conical head
7 are an integral molding structure, and improve bonding strength, enhance stability in use.
The outside of second screw rod 6 is socketed with expansion sleeve 3, and the middle inside of expansion sleeve 3 is equipped with protrusion, and the second screw rod 6 passes through
Protrusion is worn, in order to come into full contact with expansion sleeve 3 with the second screw rod 6, prevents expansion sleeve 3 from deviating.
The upper and lower part of expansion sleeve 3 is equipped with multiple expansion clearances 8, and the quantity of upper and lower part expansion clearance 8 is not
Less than 3, in order to improve the expansion effect of expansion sleeve 3, connective stability is improved.
The lower end of second screw rod 6 is fixedly installed with conical head 7.
Working principle: in use, by 3 sets of the expansion sleeve outsides in the second screw rod 6, the second screw rod 6 is rotated into threaded hole 15
In, when the second screw rod 6 reaches upper end, push rod 9 is squeezed, and push rod 9 squeezes inserted link 11, and the insertion of inserted link 11 is inserted
In hole 14, the second screw rod 6 of realization is tightly fastened with threaded hole 1, and nut 4 rotates, and nut 4 drives tabletting 5 mobile, 5 band of tabletting
Dynamic loop bar 2 is mobile, and under the action of conical head 7, expansion sleeve 3 is extruded, the both ends expansion of expansion sleeve 3, to realize and connect
The fixation of part.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of assembling expausion screw, including the first screw rod (1), which is characterized in that the outside of first screw rod (1) is from upper
Tabletting (5) and loop bar (2) are socketed under, and the lower end of loop bar (2) is pyramidal structure, the lower end of first screw rod (1) is set
Have threaded hole (15), the internal whorl of the threaded hole (15) is connected with the second screw rod (6), the outside of second screw rod (6)
It is socketed with expansion sleeve (3), the upper and lower part of the expansion sleeve (3) is equipped with multiple expansion clearances (8), second screw rod
(6) lower end is fixedly installed with conical head (7).
2. assembling expausion screw according to claim 1, which is characterized in that (1) two side lower part pair of the first screw rod
Claim to be equipped with jack (14), (6) two upper lateral part of the second screw rod is symmetrically arranged with mounting hole (13), first screw rod (1) it is upper
End is equipped with the moving hole (10) communicated with mounting hole (13), and the inside of the moving hole (10) is equipped with push rod (9), the push rod
(9) lower end is pyramidal structure, and the inside of the mounting hole (13) is equipped with inserted link (11), connects between two inserted links (11)
It is connected to spring (12), the top of the opposite one end of two inserted links (11) is pyramidal structure.
3. assembling expausion screw according to claim 1, which is characterized in that expansion clearance described in upper and lower part (8)
Quantity be no less than 3.
4. assembling expausion screw according to claim 1, which is characterized in that second screw rod (6) and conical head (7)
It is an integral molding structure.
5. assembling expausion screw according to claim 1, which is characterized in that the middle inside of the expansion sleeve (3) is set
There is protrusion, and the second screw rod (6) is through protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121167.1U CN209569247U (en) | 2019-01-24 | 2019-01-24 | A kind of assembling expausion screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121167.1U CN209569247U (en) | 2019-01-24 | 2019-01-24 | A kind of assembling expausion screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209569247U true CN209569247U (en) | 2019-11-01 |
Family
ID=68332690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920121167.1U Expired - Fee Related CN209569247U (en) | 2019-01-24 | 2019-01-24 | A kind of assembling expausion screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209569247U (en) |
-
2019
- 2019-01-24 CN CN201920121167.1U patent/CN209569247U/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: 20191101 Termination date: 20210124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |