CN207049142U - A kind of expansion connector - Google Patents
A kind of expansion connector Download PDFInfo
- Publication number
- CN207049142U CN207049142U CN201720600213.7U CN201720600213U CN207049142U CN 207049142 U CN207049142 U CN 207049142U CN 201720600213 U CN201720600213 U CN 201720600213U CN 207049142 U CN207049142 U CN 207049142U
- Authority
- CN
- China
- Prior art keywords
- expansion
- head
- expansion sleeve
- expanding arm
- connecting bolt
- 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.)
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Abstract
The utility model discloses a kind of expansion connector, coordinate including connecting bolt, expansion sleeve, with connecting bolt screw thread and drive the expansion-head of expansion sleeve expansion, expansion sleeve is provided with the expanding arm divided equally, expanding arm is provided with least two, expansion-head is provided with the catch arm for stretching into expanding arm one or both sides slippage slot, it is provided with the conical surface that is engaged between expansion sleeve and expansion-head, expanding arm is with expansion-head and expansion sleeve along conical surface Relative sliding and distending.The utility model sets the expansion sleeve that can coordinate with railing pipe, and the expanding arm distending that driving expansion sleeve is engaged by connecting bolt and expansion-head fastens railing pipe to connect, and connecting bolt can be connected with guardrail base, so as to realize the connection of railing and guardrail base.Bolt, expansion sleeve, expansion-head are engaged can be quick to connect railing and guardrail base by combination.The utility model infrastructure product can be mass, and can effectively improve the joint efficiency of railing and guardrail base and reduce job requirement and intensity, while can effectively prevent from disengaging.
Description
Technical field
It the utility model is related to a kind of expansion connector, especially a kind of connector connected for railing and guardrail base.
Background technology
Existing railing and guardrail base directly contact connection, easily cause junction to be worn, cut occur.Railing guardrail base
Connection, mainly by manual welding nut or orifice in railing pipe, so as to cause the connection of railing and guardrail base not criticize
The positioning welding quality of the welding production time and effort consuming of amount normalized operation, nut or orifice, nut or orifice can not also ensure.
The content of the invention
The utility model is the existing railing of solution and guardrail base problem present in connection procedure, there is provided one kind conveniently connects
Connect railing and guardrail base, can rapid batch standardization connection operation expansion connector.
The utility model solve existing issue technical scheme be：A kind of expansion connector, including connecting bolt, expansion
Set, coordinating with connecting bolt screw thread and drive the expansion-head of expansion sleeve expansion, described expansion sleeve is provided with the expanding arm divided equally,
Described expanding arm is provided with least two, and described expansion-head is provided with the catch arm for stretching into expanding arm one or both sides slippage slot,
It is provided with the conical surface that is engaged between described expansion sleeve and expansion-head, described expanding arm is with expansion-head and expansion sleeve along conical surface phase
The distending to sliding.
As a further improvement, expanding arm of the described expanding arm for elasticity, described expanding arm is with expansion-head and expansion
Set is along conical surface Relative sliding and distending or retracted for clearance.
As a further improvement, the slippage slot of described expanding arm one or both sides, which is located at insertion end, is provided with spacing expansion-head
Catch arm is in the card edge in slippage slot；The nut coordinated with connecting bolt is installed with described expansion-head.
As a further improvement, described expansion-head include with connecting bolt coordinate inner ring and with expansion sleeve cone match
Outer ring, be evenly equipped with dowel between described Internal and external cycle.
As a further improvement, described dowel is provided with reinforcement.
As a further improvement, described expansion-head is provided with targeting port positioned at one end of insertion connecting bolt.
As a further improvement, described expansion sleeve outer wall is provided with backstop edge.
As a further improvement, also include the pad being arranged on connecting bolt.
As a further improvement, described expansion sleeve is integrally tapered, described expansion sleeve is positioned at insertion end is small and tail
Portion.
As a further improvement, the both sides for the expanding arm that expansion sleeve outer wall is located at be all provided with it is jagged.
The utility model compared with prior art, sets the expansion sleeve that can coordinate with railing pipe, by connecting bolt and
Expansion-head is engaged the expanding arm distending of driving expansion sleeve to connect fastening railing pipe, and connecting bolt can be connected with guardrail base, from
And realize the connection of railing and guardrail base.Its advantage is bolt, expansion sleeve, expansion-head is engaged can be by combining, quickly
Connect railing and guardrail base.Because the utility model infrastructure product can be mass, therefore railing and guardrail base can be effectively improved
Joint efficiency and reduce job requirement and intensity, while can effectively prevent from disengaging.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is decomposing schematic representation of the present utility model.
Fig. 3 is the top view of expansion sleeve.
Fig. 4 is the enlarged diagram at Fig. 2 a.
Fig. 5 is scheme of installation of the present utility model.
Embodiment
Referring to Fig. 1-5, the implementation case includes connecting bolt 1, expansion sleeve 2, coordinates and drive swollen with the screw thread of connecting bolt 1
The expansion-head 3 that expansion set 2 expands, expansion sleeve 2 are provided with the expanding arm 21 divided equally, and expanding arm 21 is provided with least two, this implementation case
Four expanding arms 21 are arranged in example, lines can be set in the outer wall of expanding arm 21, in order to improve frictional force.Expansion-head 3 is provided with
The catch arm 31 of the one or both sides slippage slot 22 of expanding arm 21 is stretched into, catch arm 31 is settable four, is slided available for expansion-head 3
Move and be positioned in slippage slot 22, the conical surface being engaged is provided between expansion sleeve 2 and expansion-head 3.It is swollen when needing to connect fastening
Swollen arm 21 extrudes with expansion-head 3 and expansion sleeve 2 along conical surface Relative sliding and distending, i.e. expansion-head push, the expansion contacted
The expanding arm 21 of set 2 produces minute elastic deformation, promotes the lateral surface of expanding arm 21 and railing arranged at inner side of pipe fitting face contact area bigger,
Contact is closer, and extruding force is bigger, reaches outstanding anti-loosing effect.Expansion sleeve 2 is overall tapered, and expansion sleeve 2 is located at insertion end
Portion is small and afterbody, in order in quick insertion railing pipe.
For the ease of using and dismantling, expanding arm 21 is the expanding arm of elasticity, and expanding arm 21 is with expansion-head 2 and expansion sleeve 3
Along conical surface Relative sliding and distending or retracted for clearance, so unclamp connecting bolt can easy removal expansion sleeve 2 in railing hole.
The nut 32 coordinated with connecting bolt is installed with expansion-head 3, in order to which different parts select different materials, with
Farthest reduce cost and improve production efficiency, realize resource optimization.
Expansion-head 3 includes the inner ring 4 coordinated with connecting bolt 1 and outer ring 5 with the cone match of expansion sleeve 2, inside and outside circle 4,
Dowel is evenly equipped between 5.Dowel is provided with reinforcement, the bonding strength of dowel can be improved, even if under a certain pressure
It is not easy to be broken.
Expansion-head 3 is provided with targeting port 11 positioned at one end of insertion connecting bolt 1, and such connecting bolt 1 can be with targeting port 11
In the quick screw for easily finding insertion expansion-head 3.
The outer wall of expansion sleeve 2 is provided with backstop along 23, and backstop can isolate railing along 23 and be contacted with the direct of guardrail base, and reduction rubs
Wipe, prevent abrasion from scratching railing or guardrail base.The slippage slot 22 of the one or both sides of expanding arm 21 is located at insertion end provided with spacing swollen
Swollen first 3 catch arm 31, along 24, effectively can prevent expansion-head from being come off from expansion sleeve, abandon use in the card in slippage slot 22
Unnecessary screw carries out locking structure.Pad 12 can be set on connecting bolt 1.The expanding arm 21 that the outer wall of expansion sleeve 2 is located at
Both sides be all provided with jagged 25, referring to accompanying drawing, breach 25 is arranged to four, corresponding with slippage slot 22, for scattered release pressure
Power, it is not easy to loosen, can reduces and avoid to use elastic washer.
Claims (10)
- A kind of 1. expansion connector, it is characterised in that：Coordinate and drive including connecting bolt, expansion sleeve, with connecting bolt screw thread The expansion-head of expansion sleeve expansion, described expansion sleeve are provided with the expanding arm divided equally, and described expanding arm is provided with least two, institute The expansion-head stated is provided with the catch arm for stretching into expanding arm one or both sides slippage slot, is provided between described expansion sleeve and expansion-head The conical surface being engaged, described expanding arm is with expansion-head and expansion sleeve along conical surface Relative sliding and distending.
- 2. expansion connector as claimed in claim 1, it is characterised in that：Described expanding arm is elastic expanding arm, described Expanding arm with expansion-head and expansion sleeve along conical surface Relative sliding and distending or retracted for clearance.
- 3. expansion connector as claimed in claim 1 or 2, it is characterised in that：The sliding of described expanding arm one or both sides Groove is located at insertion end provided with spacing expansion-head catch arm in the card edge in slippage slot；It is installed with described expansion-head with being connected spiral shell The nut that bolt coordinates.
- 4. expansion connector as claimed in claim 3, it is characterised in that：Described expansion-head includes what is coordinated with connecting bolt Inner ring and the outer ring with expansion sleeve cone match, dowel is evenly equipped between described Internal and external cycle.
- 5. expansion connector as claimed in claim 4, it is characterised in that：Described dowel is provided with reinforcement.
- 6. expansion connector as claimed in claim 1, it is characterised in that：Described expansion-head is located at the one of insertion connecting bolt End is provided with targeting port.
- 7. expansion connector as claimed in claim 4, it is characterised in that：Described expansion sleeve outer wall is provided with backstop edge.
- 8. expansion connector as claimed in claim 1, it is characterised in that：Also include the pad being arranged on connecting bolt.
- 9. expansion connector as claimed in claim 7, it is characterised in that：Described expansion sleeve is integrally tapered, and described is swollen End is small and afterbody positioned at insertion for expansion set.
- 10. expansion connector as claimed in claim 7, it is characterised in that：The expanding arm that described expansion sleeve outer wall is located at Both sides are all provided with jagged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600213.7U CN207049142U (en) | 2017-05-26 | 2017-05-26 | A kind of expansion connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600213.7U CN207049142U (en) | 2017-05-26 | 2017-05-26 | A kind of expansion connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207049142U true CN207049142U (en) | 2018-02-27 |
Family
ID=61491274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720600213.7U Active CN207049142U (en) | 2017-05-26 | 2017-05-26 | A kind of expansion connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207049142U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825634A (en) * | 2018-08-27 | 2018-11-16 | 安徽西马新能源技术有限公司 | A kind of bilayer anti-avulsion fastening assembly |
| CN110296135A (en) * | 2019-07-17 | 2019-10-01 | 兰州理工大学 | A kind of connection retaining mechanism suitable for hole plate |
-
2017
- 2017-05-26 CN CN201720600213.7U patent/CN207049142U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825634A (en) * | 2018-08-27 | 2018-11-16 | 安徽西马新能源技术有限公司 | A kind of bilayer anti-avulsion fastening assembly |
| CN110296135A (en) * | 2019-07-17 | 2019-10-01 | 兰州理工大学 | A kind of connection retaining mechanism suitable for hole plate |
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