CN207700673U - A kind of big pulling force pull rod coupling - Google Patents
A kind of big pulling force pull rod coupling Download PDFInfo
- Publication number
- CN207700673U CN207700673U CN201721503895.6U CN201721503895U CN207700673U CN 207700673 U CN207700673 U CN 207700673U CN 201721503895 U CN201721503895 U CN 201721503895U CN 207700673 U CN207700673 U CN 207700673U
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- CN
- China
- Prior art keywords
- pulling force
- pull rod
- connector
- rod coupling
- big pulling
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- 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 is related to a kind of novel big pulling force pull rod coupling, especially suitable for only being connected by pulling force and the larger pull rod of pulling force.Solution can bear larger pulling force and occupy little space, requirement convenient to assemble and disassemble.Connector is made of the semicircular ring of two opposite openeds, and multiple steps are arranged on the inside of annulus and are used to coordinate with the step of pull rod, step side is stress surface, its pulling force that can be born is determined according to the width of step, height and quantity.The step mating surface of connector is vertical with the Impact direction of pull rod, does not generate radial active force to connector, so the bonding strength requirement of two opposite opened semicircular rings is not high, both may be used using common threaded connection.
Description
Technical field
The utility model is related to a kind of Novel pull rod connector, fixed suitable for both ends pull rod and pull rod be relatively large in diameter, by
Power is larger, using occasion less suitable when being threadedly coupled, especially suitable for only by the occasion of pulling force.
Background technology
Pull rod coupling is the connection for pull rod, by pull rod can lengthen pull rod to elongation degree, can adjust to drawing
The spacing of object facilitates the installing and dismounting of pull rod.
There are many pull rod coupling type, are common connection types using threaded connection, for reinforcing bar, steel hinge line equal diameter
Smaller rod piece is suitble to using being threadedly coupled, and connector construction is single part, internal tapping be screwed into rod piece for both ends and
It connects.
Connection for the part rod piece of holder or scaffold, the connector of use are also commonly to be threadedly coupled, connection
Device can be made complicated structure, can both be efficiently used for connection and be also used as adjustment to elongation degree and adjustment pretightning force
With.
Caliber or bar diameter it is larger at present there are many using flanged joint, flanged joint can ensure the same of both ends rod piece
Axis degree, but flanged joint uses screw as the stressed member of connection, stress is bigger, and screw number is more, diameter is bigger, occupancy
Space is also bigger.
Invention content
The utility model lies in that providing a kind of big pulling force pull rod coupling, the pull rod coupling and knot of huge pulling force can be born
Structure is simple.
The pull rod coupling of the utility model is mainly made of the semicircular ring of two opposite openeds, and setting is multiple on the inside of annulus
Step, step is used for and the step of pull rod coordinates, its pulling force that can be born is determined according to the width of each step and height, multiple
The pulling force that step can be born when acting on simultaneously accordingly increases.
The step mating surface of pull rod coupling is vertical with the Impact direction of pull rod, does not generate radial effect to connector
Screw connection may be used in the semicircular ring of power, two opposite openeds, and bonding strength requirement is not high.
The effect of the utility model：For big pulling force pull rod, and there is preferable effect when requiring easy for assemble or unload.It can
Increase the size of connector with the increase of pulling force and the increase of pull rod diameter, but the increased size of connector is smaller.
Description of the drawings
Fig. 1 is a kind of big pulling force pull rod coupling structural schematic diagram-split end elevation view of the utility model.
Fig. 2 is a kind of structural schematic diagram of big pulling force pull rod coupling of the utility model.
Fig. 3 is a kind of structural schematic diagram-sectional view of big pulling force pull rod coupling of the utility model.
Specific implementation mode
As shown in the figure：1 and 2 in figure be respectively two split semicircular rings of connector, 3- steps.
The step interval on step interval and pull rod in connector semicircular ring uses identical spacing and diameter, connector
On step correspond to the groove of pull rod, the groove of connector corresponds to the step of pull rod, and step side is cooperation stress surface.Step
Size and height determine that the width of step is determined according to shearing strength, the height root of step according to the size of required endurance
It is determined according to compression strength.The pulling force that the total pulling force that connector can bear can be born according to the cooperation quantity and each step of step
It determines.
The cooperation of pull rod coupling and pull rod：The strength of materials used in pull rod or the one of part of pull rod coupling and answer height
In another part, it is mainly used for the slight error of two pieces cooperation when compensation processing.Pulling force is born under normal circumstances needs several
Rank acts on simultaneously, and due to the slight error of processing, the cooperations of some steps is more than continuously there may be gap, when the pulling force of pull rod
Gap cooperation numbers of steps can bear pulling force when, step generate flexible deformation and make other steps cooperation closely bear to draw
Power.Above-mentioned flexible deformation is not more than the maximal clearance of step cooperation, when the worst error of making is not more than grade of tolerance IT6,
It can meet the requirements, this error is easily guaranteed that in present digital control processing.Since connector does not generate radial active force, two
Semicircular ring may be used screw connection and both may be used.When requiring safety coefficient higher, the cooperation quantity of step can be increased.
Claims (3)
1. a kind of big pulling force pull rod coupling, it is characterized in that：Two inside have the semicircular ring of step to be merged into an annulus, use
Screw connection connects two semicircular rings.
2. a kind of big pulling force pull rod coupling according to claim 1, it is characterised in that the step side and circle of semicircular ring
The axis of ring is vertical, does not generate radial load and keeps the bonding strength requirement of two semicircular rings not high.
3. according to claim a kind big pulling force pull rod coupling, it is characterised in that single step width and height are respectively
It is determined according to the shearing strength of material and compression strength, total pulling force bears pulling force ability and the quantity of step according to each step
It determines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721503895.6U CN207700673U (en) | 2017-11-13 | 2017-11-13 | A kind of big pulling force pull rod coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721503895.6U CN207700673U (en) | 2017-11-13 | 2017-11-13 | A kind of big pulling force pull rod coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207700673U true CN207700673U (en) | 2018-08-07 |
Family
ID=63022384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721503895.6U Active CN207700673U (en) | 2017-11-13 | 2017-11-13 | A kind of big pulling force pull rod coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207700673U (en) |
-
2017
- 2017-11-13 CN CN201721503895.6U patent/CN207700673U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518057 Guangdong city of Shenzhen province science and Technology Park of Nanshan District high new technology building 13 building a moral match Patentee after: Shenzhen Longcheng high tech environmental protection Co.,Ltd. Address before: 518057 Guangdong city of Shenzhen province science and Technology Park of Nanshan District high new technology building 13 building a moral match Patentee before: SHENZHEN LONGCHENG HI-TECH ENVIRONMENTAL PROTECTION (Group) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230720 Granted publication date: 20180807 |
|
| PP01 | Preservation of patent right |