CN206054688U - Tube-expanding type hitch bar and the linear module with tube-expanding type hitch bar - Google Patents
Tube-expanding type hitch bar and the linear module with tube-expanding type hitch bar Download PDFInfo
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- CN206054688U CN206054688U CN201621074790.9U CN201621074790U CN206054688U CN 206054688 U CN206054688 U CN 206054688U CN 201621074790 U CN201621074790 U CN 201621074790U CN 206054688 U CN206054688 U CN 206054688U
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- hole
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- hitch bar
- expanding type
- type hitch
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Abstract
This utility model is related to automated production equipment technical field, refer in particular to a kind of tube-expanding type hitch bar, the connection end being fixedly connected including shaft coupling body, swelling screw and with shaft coupling body, the connection end offers assembly and disassembly through hole, the outer end of the assembly and disassembly through hole offers cone machine hole, distending portion is embedded in the cone machine hole, swelling screw is threadedly coupled with distending portion through after assembly and disassembly through hole, separation gap is offered at the cone machine hole, the end face that the shaft coupling body has connection end is provided with the first screens.Linear module includes synchronous pulley and tube-expanding type hitch bar, this utility model greatly reduces the dismounting difficulty in distending portion, so as to improve dismounting and the overhaul efficiency of tube-expanding type hitch bar, as the engagement of the first screens and the second screens is designed, completely avoid the phenomenon for occurring to skid between shaft coupling body and linkage wheel shaft, driving torque is improve, transmission accuracy and stability are higher, and practicality is stronger.
Description
Technical field
This utility model is related to automated production equipment technical field, refers in particular to a kind of tube-expanding type hitch bar and carries
The linear module of tube-expanding type hitch bar.
Background technology
In processing manufacturing industry, with the increase and the progress of science and technology of cost of labor, automatically processing device is increasingly
Favored by people, but the popularization of automation equipment necessarily refer to the input manufacturing cost of automation equipment and Maintenance and Repair into
This.Timing Belt module is the vitals of automated production equipment, and its structural stability, running precision and manufacturing cost are also direct
Have influence on automated production equipment stability and machining accuracy.
In order to compensate the various deviations between linear module and motor and accurate transfer moment of torsion, can all select using elasticity connection
Axle device solving the above problems, the distending portion in the connection end of shaft coupling, but after distending portion is closely connected with cone machine hole,
It is difficult to disassemble again, causes compared with burden to the dismounting and maintenance of shaft coupling, has a strong impact on dismounting and overhaul efficiency.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of connection more fastening, is avoided during torque drive completely
Skid, connection when concentricity is higher and the tube-expanding type hitch bar of convenient disassembly.
This utility model additionally provides a kind of simple structure dismounting and the line with tube-expanding type hitch bar easy for installation
Property module.
In order to solve above-mentioned technical problem, this utility model is adopted the following technical scheme that：A kind of tube-expanding type hitch bar, bag
The connection end for including shaft coupling body, swelling screw and being fixedly connected with shaft coupling body, the connection end offer assembly and disassembly through hole,
The outer end of the assembly and disassembly through hole offers the cone machine hole that internal diameter outwards gradually expands, and is embedded with and frustum hole shape pair in the cone machine hole
The distending portion answered, swelling screw are threadedly coupled with distending portion through after assembly and disassembly through hole, offer separation gap at the cone machine hole；Institute
The end face that stating shaft coupling body has connection end is provided with the first screens.
Preferably, also including linkage wheel shaft, the end of the linkage wheel shaft offer for install connection end installing hole and
Second screens of engagement corresponding with the first screens, in connection end suit and installing hole, distending portion is embedded in cone machine hole, and connection end swells
Afterwards with the installing hole interference fit.
Preferably, first screens is some projections of the head face hump from shaft coupling body, and second screens is
The end of coupled wheel caves inward the groove some corresponding with projection shape size to be formed, in the embedded groove of projection.
Another preferred, first screens is some grooves to be formed that cave inward from the end face of shaft coupling body, institute
The projection some corresponding with groove shapes size that the end outwardly convex that the second screens is coupled wheel is formed is stated, projection is embedded in recessed
In groove.
Preferably, external diameter of the minimum diameter of the assembly and disassembly through hole more than swelling screw, the middle part of the assembly and disassembly through hole is arranged
There is dismounting screw thread.
Preferably, pad is provided with the inner of the swelling screw and the abutting of assembly and disassembly through hole.
Preferably, the shaft coupling body offers stop hole.
Preferably, the bottom of the separation gap offers circular hole.
Linear module with tube-expanding type hitch bar, including synchronous pulley and tube-expanding type hitch bar, the synchronous pulley
It is fixed on linkage wheel shaft.
Preferably, the synchronous pulley is integrally formed with linkage wheel shaft.
The beneficial effects of the utility model are：
This utility model provides a kind of tube-expanding type hitch bar, in actual assembling process, by the connection of shaft coupling
After end loads in installing hole, then swelling screw is penetrated into the assembly and disassembly through hole and is spirally connected with the distending portion, screw swelling spiral shell
During nail, distending portion moves inward, and cone machine hole to swell and form interference fit with installing hole inwall, so as to realize that tube-expanding type shaft coupling is filled
Put being fastenedly connected between synchronous pulley.Surrounding when cone machine hole swells is while distending, the concentricity precision and tightness during installation
It is higher.The minimum diameter of the assembly and disassembly through hole is provided with dismounting spiral shell in the middle part of the assembly and disassembly through hole more than the external diameter of swelling screw
Stricture of vagina, when needing shaft coupling is disassembled from linear module, it is only necessary to loaded using the screw coordinated with the dismounting screw thread
In the dismounting screwed hole, and progressively tightening screw, until distending portion is ejected cone machine hole by screw, cone machine hole is subsequently contracted to connection
End coordinates with interporal lacuna is installed, and greatly reduces the dismounting difficulty in distending portion, so as to improve the dismounting of tube-expanding type hitch bar
And overhaul efficiency, due to the first screens and the second screens engagement design, it is entirely avoided shaft coupling body with linkage wheel shaft it
Between occur skid phenomenon, so as to further improve the driving torque of the tube-expanding type hitch bar, transmission accuracy and stability
Higher, practicality is stronger.
Description of the drawings
Fig. 1 is dimensional structure diagram when this utility model tube-expanding type hitch bar is unassembled.
Fig. 2 is the cross section structure diagram that this utility model tube-expanding type hitch bar hides linkage wheel shaft.
Fig. 3 is the cross section structure diagram that linkage wheel shaft is hidden when this utility model tube-expanding type hitch bar carries pad.
Fig. 4 is the cross section structure diagram that linkage wheel shaft is hidden when this utility model tube-expanding type hitch bar is dismantled.
Decomposition texture schematic diagrams of the Fig. 5 for another embodiment of this utility model tube-expanding type hitch bar.
Fig. 6 is the dimensional structure diagram of the linear module with tube-expanding type hitch bar.
Specific embodiment
For the ease of the understanding of those skilled in the art, further is made to this utility model with accompanying drawing with reference to embodiment
Explanation, the content that embodiment is referred to is not to restriction of the present utility model.
It is a kind of tube-expanding type hitch bar of this utility model as shown in Figures 1 to 5, including shaft coupling body 1, swelling screw
2 and the connection end 3 that is fixedly connected with shaft coupling body 1, the connection end 3 offers assembly and disassembly through hole 4, the assembly and disassembly through hole 4 it is outer
End offers the cone machine hole 5 that internal diameter outwards gradually expands, and is embedded with distending portion corresponding with 5 shape of cone machine hole in the cone machine hole 5
6, swelling screw 2 is threadedly coupled with distending portion 6 through after assembly and disassembly through hole 4, offers separation gap 7 at the cone machine hole 5；It is described
The end face that axle device body 1 has connection end 3 is provided with the first screens.
In actual assembling process, after the connection end 3 of shaft coupling is loaded in installing hole 11, then by swelling screw 2
Penetrate the assembly and disassembly through hole 4 and be spirally connected with the distending portion 6, when screwing swelling screw 2, distending portion 6 moves inward, and cone machine hole
5 swells form interference fit with 11 inwall of installing hole, so as to realize the fastening between tube-expanding type hitch bar and synchronous pulley 15
Connection.While distending, the concentricity precision and tightness during installation is higher for surrounding when cone machine hole 5 swells.
Specifically, also including linkage wheel shaft 12, the end of the linkage wheel shaft 12 is offered for installing the installation of connection end 3
Hole and the second screens of engagement corresponding with the first screens, in the suit of connection end 3 and installing hole, distending portion 6 is embedded in cone machine hole 5, even
Connect end 3 swell after with 11 interference fit of installing hole.As the engagement of the first screens and the second screens is designed, it is entirely avoided connection
There is the phenomenon skidded between axle device body 1 and linkage wheel shaft 12, so as to further improve the biography of the tube-expanding type hitch bar
Dynamic torque, transmission accuracy and stability it is higher.
It is illustrated in figure 6 a kind of linear module with tube-expanding type hitch bar of this utility model, including synchronous pulley 15
And tube-expanding type hitch bar, the synchronous pulley 15 be fixed on linkage wheel shaft 12.
In actual assembling process, after the connection end 3 of shaft coupling is loaded in installing hole 11, then by swelling screw 2
Penetrate the assembly and disassembly through hole 4 and be spirally connected with the distending portion 6, when screwing swelling screw 2, distending portion 6 moves inward, and cone machine hole
5 swells form interference fit with 11 inwall of installing hole, so as to realize the fastening between tube-expanding type hitch bar and synchronous pulley 15
Connection.While distending, the concentricity precision and tightness during installation is higher for surrounding when cone machine hole 5 swells.
In the present embodiment, first screens is some projections 13 of the head face hump from shaft coupling body 1, described second
Screens caves inward the corresponding groove 14 of 13 shape size of some and projection to be formed for the end of coupled wheel, and projection 13 is embedded in recessed
In groove 14.
It should be added that, above-mentioned technique effect can also adopt the following technical scheme that realization, first screens
It is some grooves 14 to be formed that cave inward from the end face of shaft coupling body, second screens is the end convex of coupled wheel
The projection 13 some corresponding with 14 shape size of groove for being formed is acted, projection 13 is embedded in groove 14, equally can also be taken in realization
State technique effect.
See Fig. 4, in the present embodiment, the minimum diameter of the assembly and disassembly through hole 4 is more than the external diameter of swelling screw 2, and the assembly and disassembly are led to
The middle part in hole 4 is provided with dismounting screw thread, when needing shaft coupling is disassembled from linear module, it is only necessary to adopts and tears open with this
The screw for unloading screw thread cooperation loads in the dismounting screwed hole, and progressively tightening screw, until distending portion 6 is ejected cone machine hole by screw
5, cone machine hole 5 is subsequently contracted to connection end 3 and is coordinated with 11 gap of installing hole, greatly reduces the dismounting difficulty in distending portion 6, so as to
Dismounting and the overhaul efficiency of tube-expanding type hitch bar are improve, practicality is stronger.
See Fig. 3, in the present embodiment, at the inner of the swelling screw 2 and the abutting of assembly and disassembly through hole 4, be provided with pad 8, by
Between the inner of the setting of pad 8, the end of swelling screw 2 and the assembly and disassembly through hole 4, bearing strength is bigger, when both abut
It is unlikely to deform inside assembly and disassembly through hole 4, steadiness is more preferable.
In the present embodiment, the shaft coupling body 1 offers stop hole 9, when shaft coupling is installed or removed, is required for turning round
Screw in dynamic assembly and disassembly through hole 4, to prevent shaft coupling synchronous axial system, adopts the portion such as screwdriver or metallic rod in installation or removal
Fixed in part insertion stop hole 9 effectively to prevent shaft coupling body 1 from rotating, installation and removal are more convenient, and practicality is higher.
In the present embodiment, the bottom of the separation gap 7 offers circular hole 10, and the setting of circular hole 10 substantially reduces separation
Internal stress at gap 7, effectively prevents connection end 3 from ftractureing, and the service life of shaft coupling is longer.
Certainly, linear module of the present utility model can also be screw mandrel module or rack-and-pinion modular structure.
In description of the present utility model, it should be noted that for the noun of locality, if any term " " center ", " laterally
(X) ", " longitudinal direction (Y) ", " vertical (Z) " " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right",
The indicating position such as " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " clockwise ", " counterclockwise " and position relationship be based on
Orientation shown in the drawings or position relationship, are for only for ease of narration this utility model and simplify description, rather than indicate or dark
Show that the device or element of indication there must be specific orientation, be constructed and operated with particular orientation, it is impossible to be interpreted as limiting this reality
With new concrete protection domain.
Additionally, be only used for describing purpose if any term " first ", " second ", and it is not intended that indicating or implying relatively heavy
The property wanted or the implicit quantity for indicating technical characteristic.Thus, define " first ", " second " feature to express or implicit include
One or more this feature, in this utility model description, " several " are meant that two or more, unless otherwise bright
It is really specific to limit.
In this utility model, except as otherwise clear stipulaties and restriction, if any term " assembling ", " being connected ", " connection " term
Should go to understand as broad sense, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；It can also be machine
Tool connects；Can be joined directly together, or be connected by intermediary, can be that two element internals are connected.For
For those of ordinary skill in the art, above-mentioned term specifically containing in this utility model can be understood as the case may be
Justice.
Embodiment described above only expresses some embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, some deformations and improvement can also be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be defined by claims.
Claims (10)
1. tube-expanding type hitch bar, including shaft coupling body（1）, swelling screw（2）And with shaft coupling body（1）It is fixedly connected
Connection end（3）, it is characterised in that：The connection end（3）Offer assembly and disassembly through hole（4）, the assembly and disassembly through hole（4）Outer end offer
The cone machine hole that internal diameter outwards gradually expands（5）, the cone machine hole（5）Inside it is embedded with and cone machine hole（5）The corresponding distending portion of shape
（6）, swelling screw（2）Through assembly and disassembly through hole（4）Afterwards with distending portion（6）Threaded connection, the cone machine hole（5）Place offers compartment
Gap（7）；The shaft coupling body（1）There is connection end（3）End face be provided with the first screens.
2. tube-expanding type hitch bar according to claim 1, it is characterised in that：Also include linkage wheel shaft（12）, the linkage
Wheel shaft（12）End offer for installing connection end（3）Installing hole（11）And the second card of engagement corresponding with the first screens
Position, connection end（3）Suit and installing hole（11）It is interior, distending portion（6）Embedded cone machine hole（5）, connection end（3）With the installation after swelling
Hole（11）Interference fit.
3. tube-expanding type hitch bar according to claim 2, it is characterised in that：First screens is from shaft coupling body
（1）Head face hump some projections（13）, second screens for coupled wheel end cave inward to be formed it is some with it is convex
Block（13）The corresponding groove of shape size（14）, projection（13）Embedded groove（14）It is interior.
4. tube-expanding type hitch bar according to claim 2, it is characterised in that：First screens is from shaft coupling body
（1）End face cave inward some grooves to be formed（14）, second screens is that the end outwardly convex of coupled wheel is formed
Some and groove（14）The corresponding projection of shape size（13）, projection（13）Embedded groove（14）It is interior.
5. tube-expanding type hitch bar according to claim 1, it is characterised in that：The assembly and disassembly through hole（4）Minimum diameter
More than swelling screw（2）External diameter, the assembly and disassembly through hole（4）Middle part be provided with dismounting screw thread.
6. tube-expanding type hitch bar according to claim 5, it is characterised in that：The swelling screw（2）The inner with dress
Tear through hole open（4）Abutting at be provided with pad（8）.
7. tube-expanding type hitch bar according to claim 1, it is characterised in that：The shaft coupling body（1）Only offer
Dynamic hole（9）.
8. tube-expanding type hitch bar according to claim 1, it is characterised in that：The separation gap（7）Bottom open up
There is circular hole（10）.
9. the linear module of tube-expanding type hitch bar is carried, it is characterised in that：Including synchronous pulley（15）And claim 2 to 4
Tube-expanding type hitch bar described in any one, the synchronous pulley（15）It is fixed on linkage wheel shaft（12）.
10. the linear module with tube-expanding type hitch bar according to claim 9, it is characterised in that：The Timing Belt
Wheel（15）With linkage wheel shaft（12）It is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621074790.9U CN206054688U (en) | 2016-09-23 | 2016-09-23 | Tube-expanding type hitch bar and the linear module with tube-expanding type hitch bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621074790.9U CN206054688U (en) | 2016-09-23 | 2016-09-23 | Tube-expanding type hitch bar and the linear module with tube-expanding type hitch bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206054688U true CN206054688U (en) | 2017-03-29 |
Family
ID=58367299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621074790.9U Active CN206054688U (en) | 2016-09-23 | 2016-09-23 | Tube-expanding type hitch bar and the linear module with tube-expanding type hitch bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206054688U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139723A (en) * | 2018-09-20 | 2019-01-04 | 常州明磁卓控智能科技有限公司 | A kind of magnetic suspension motor shaft coupling |
| TWI781498B (en) * | 2020-12-23 | 2022-10-21 | 姚立和 | Coupling structure and application of modularized coaxial gear reducer |
-
2016
- 2016-09-23 CN CN201621074790.9U patent/CN206054688U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139723A (en) * | 2018-09-20 | 2019-01-04 | 常州明磁卓控智能科技有限公司 | A kind of magnetic suspension motor shaft coupling |
| TWI781498B (en) * | 2020-12-23 | 2022-10-21 | 姚立和 | Coupling structure and application of modularized coaxial gear reducer |
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