CN209370309U - A kind of shaft coupling - Google Patents
A kind of shaft coupling Download PDFInfo
- Publication number
- CN209370309U CN209370309U CN201822114718.XU CN201822114718U CN209370309U CN 209370309 U CN209370309 U CN 209370309U CN 201822114718 U CN201822114718 U CN 201822114718U CN 209370309 U CN209370309 U CN 209370309U
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- terminal pad
- positioning column
- shaft coupling
- coupler
- connecting tube
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Abstract
The utility model provides a kind of shaft coupling, including the first half a coupler, first half a coupler includes the first connecting tube, the first terminal pad, positioning column and locking device, first connecting tube is coaxially fixed at the left end of the first terminal pad, positioning column is coaxially fixed in the middle part of the right end of first terminal pad, positioning column is equipped with locking device；Second half a coupler, second half a coupler includes the second connecting tube, the second terminal pad, positioning pipe and lock hole, second connecting tube is coaxially fixed at the right end of the second terminal pad, positioning pipe is coaxially fixed in the middle part of the left end of second terminal pad, positioning pipe inner wall surrounding is equipped with multiple lock holes, positioning column is inserted into positioning pipe, and in locking device insertion lock hole；Retaining ring, the first terminal pad and the docking of the second terminal pad, retaining ring are wrapped in the first terminal pad and the second terminal pad outer wall.This smart structural design, easy to install and use, alignment and stability are all good, long service life, dismantle also more convenient.
Description
Technical field
The utility model belongs to connection equipment technical field, in particular to a kind of shaft coupling.
Background technique
The recirculated cooling water centrifugal water pump that steam power plant uses is that the centrifugal force generated when impeller rotation is relied on to convey liquid
The water pump of body.The top of motor shaft and the top of pump shaft are attached by shaft coupling, drive the operating of pump to realize by motor
The conveying of recirculated water.Shaft coupling in the prior art generally includes two half a couplers for being connected to each other fixed setting, one of them
Half a coupler is mutually fixed with pump shaft, another half a coupler is mutually fixed with motor shaft.
But the set-up mode of two half a couplers used in the prior art, easy alignment is poor, and long-play is made
At the damage of motor shaft or pump shaft；In addition it is also easy to happen between two half a couplers and is connected not closely in operation, and cause
There is opposite sliding in two half a couplers, abrasive damage occur, and influence the using effect of shaft coupling.
Therefore, above-mentioned technological deficiency exists in the prior art, is technical problem urgently to be resolved in this field.
Utility model content
The main purpose of the utility model is to provide a kind of shaft couplings, it is intended to solve technology existing in the prior art and ask
Topic.
In order to achieve the above purpose, the utility model provides a kind of shaft coupling, including
First half a coupler, first half a coupler include the first connecting tube, the first terminal pad, positioning column and locking dress
It sets, first connecting tube is coaxially fixed at the left end of first terminal pad, and the right end middle part of first terminal pad is same
Axis is fixed with positioning column, and the positioning column is equipped with locking device；
Second half a coupler, second half a coupler include the second connecting tube, the second terminal pad, positioning pipe and locking
Hole, second connecting tube are coaxially fixed at the right end of second terminal pad, and the left end middle part of second terminal pad is same
Axis is fixed with positioning pipe, and the positioning pipe inner wall surrounding is equipped with multiple lock holes, and the positioning column is inserted into the positioning pipe,
And the locking device is inserted into the lock hole；
Retaining ring, first terminal pad and the docking of the second terminal pad, the retaining ring are wrapped on described first and connect
It connects on disk and the second terminal pad outer wall.
Further, the locking device includes channel, placing groove, clamping block and spring, and the positioning column outer wall is circumferential
Multiple placing grooves are offered, the placing groove medial surface is radially additionally provided with channel in positioning column, is equipped with spring in the channel,
It is placed with clamping block in the placing groove, is connect on the inside of the clamping block with spring, described clamping block a part is inserted into the lock
Determine hole.
It further, further include tooth block, the tooth block is set around first terminal pad and the fixation of the second terminal pad outer wall
It sets, and the tooth block in first terminal pad is staggered with the tooth block in second terminal pad.
Further, the retaining ring includes ring body, notch, mounting hole, bolt and perforation, and the ring body, which is equipped with, to be lacked
Mouthful, and mounting hole is offered on the notch two sides, bolt, first terminal pad and the second connection are equipped in the mounting hole
Disk outer wall is equipped with the screw hole cooperated with bolt, and the ring body is equipped with the perforation cooperated with the tooth block.
Further, the outer diameter of the positioning column is slightly less than the internal diameter of the positioning pipe.
Further, the position of the placing groove is corresponding with the locking hole site, the shape size of the clamping block
It is slightly less than the shape size of the lock hole.
Using the technical solution of the utility model, positioning column is inserted into positioning pipe when in use, and two half a couplers are same
Axis is good；And the clamping block of locking device is due to centrifugal force in rotation, and clamping block is inserted partially into lock hole, to realize
The locking of positioning column and positioning pipe is further provided with tooth block and retaining ring outside the first terminal pad and the second terminal pad, thus
Being fastenedly connected for the first terminal pad and the second terminal pad is realized, the relative rotation both effectively prevented is improved using steady
It is qualitative, and reduce the risk of sliding friction damage.The utility model smart structural design, it is easy to install and use, alignment and
Stability is all good, long service life, dismantles also more convenient.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 diagrammatically illustrates the schematic perspective view of the utility model shaft coupling；
Fig. 2 diagrammatically illustrates the schematic perspective view of the first half a coupler of the utility model；
Fig. 3 diagrammatically illustrates the cross-sectional view of the right view positioning column of the first half a coupler of the utility model；
Fig. 4 diagrammatically illustrates the right view stereochemical structure view of the second half a coupler of the utility model；
Fig. 5 diagrammatically illustrates the left view stereochemical structure view of the second half a coupler of the utility model；
Fig. 6 diagrammatically illustrates the structural schematic diagram of the retaining ring of the utility model；
Wherein, the above drawings include the following reference numerals:
100 first half a couplers；101 first connecting tubes；102 first terminal pads；103 positioning columns；104 locking devices；
1041 channels；1042 placing grooves；1043 clamping blocks；1044 springs；200 second half a couplers；201 second connecting tubes；202 second
Terminal pad；203 positioning pipes；204 lock holes；300 retaining rings；301 ring bodies；302 notches；303 mounting holes；304 bolts；305 teeth
Hole；400 tooth blocks.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that described further below be all exemplary, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.
In addition, belonging to " comprising " and " having " and their any deformation, it is intended that covering non-exclusive includes example
Such as, process, method, system, product or the equipment for containing a series of steps or units those of are not necessarily limited to be clearly listed
Step or unit, but may include being not clearly listed or intrinsic for these process, methods, product or equipment other
Step or unit.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.
For example, being described as if the device in attached drawing is squeezed " in the top of other devices or construction " or " at other
On device or construction " device after will be positioned as " below other devices or construction " or " in other devices or construction
Under ".Thus, exemplary term " in ... top " may include " in ... top " and " in ... lower section " two kinds of orientation.
The device can also be with other 90 degree of different position rotatings or in other orientation, and describe to space used herein above is opposite
Make respective explanations.
The shaft coupling of present specification for realizing motor and the pump housing transmission connection so that motor and the pump housing are steady for a long time
Fixed operation, reduces the risk of damage.
Referring to shown in Fig. 1 to Fig. 6, the utility model provides a kind of shaft coupling, including
First half a coupler 100, first half a coupler 100 include the first connecting tube 101, the first terminal pad 102, determine
Position column 103 and locking device 104, first connecting tube 101 are coaxially fixed at the left end of first terminal pad 102, or
It is integrally formed using being welded and fixed or using, the first connecting tube 101 is sequentially connected with pump shaft, therefore, in the first half a coupler
When 100 rotation, pump shaft can be driven to rotate coaxially, drive pump working.First terminal pad, 102 right end opens up groove structure, institute
It states and is coaxially fixed with positioning column 103 in the middle part of the right end of the first terminal pad 102, positioning column 103 and the first terminal pad 102 are integrated into
Type, and positioning column 103 protrudes outward the right end edge of the first terminal pad 102, the positioning column 103 is equipped with locking device 104.
It is equipped with the second half a coupler 200 with the first half a coupler 100, second half a coupler 200 includes second
Connecting tube 201, the second terminal pad 202, positioning pipe 203 and lock hole 204, second connecting tube 201 are coaxially fixed at institute
The right end of the second terminal pad 202 is stated, the second connecting tube 201 and the output shaft of driving motor are sequentially connected, work in driving motor
When, drive the rotation of shaft coupling and pump shaft.Also groove structure, second connection are formed in the middle part of second terminal pad, 202 left end
Positioning pipe 203 is coaxially fixed in the middle part of the left end of disk 202, positioning pipe 203 and the second terminal pad 202 are integrally formed, and positioning column
103 ends are concordant with the outer rim of the second terminal pad 202.203 inner wall surrounding of positioning pipe is equipped with multiple lock holes 204, described
Positioning column 103 is inserted into the positioning pipe 203, and the locking device 104 is inserted into the lock hole 204；Specifically, institute
The outer diameter for stating positioning column 103 is slightly less than the internal diameter of the positioning pipe 203.And in practical application, positioning column 103 is inserted into positioning
When 203 bottom of pipe, the first terminal pad 102 and the second terminal pad 202 are just in contact.
Retaining ring 300, first terminal pad 102 and the docking of the second terminal pad 202, the retaining ring 300 wrap
On 202 outer wall of first terminal pad 102 and the second terminal pad.It, can be by the first terminal pad by the setting of retaining ring 300
102 and second terminal pad 202 realize stable connection, and prevent shaft coupling from opposite slide occurring during rotation.
Further, the locking device 104 includes channel 1041, placing groove 1042, clamping block 1043 and spring 1044,
103 outer wall of positioning column circumferentially offers multiple placing grooves 1042, and 1042 medial surface of placing groove is radial in positioning column 103
On be additionally provided with channel 1041, channel 1041 is connected with placing groove 1042, and spring 1044, spring are equipped in the channel 1041
1044 are fixedly connected with 1041 inner end of channel, and clamping block 1043, and specifically, placing groove are placed in the placing groove 1042
1042 shape size is slightly larger than the shape size of clamping block 1043, and can guarantee the smooth disengaging of clamping block 1043.It is described
1043 inside of clamping block is connect with spring 1044, and spring 1044 is also to be fixedly connected with clamping block 1043, the clamping block 1043
A part is inserted into the lock hole 204.In setting, the position of the placing groove 1042 is opposite with 204 position of lock hole
It answers, the shape size of the clamping block 1043 is slightly less than the shape size of the lock hole 204.
Specifically when in use, usage mode and state are as follows:
When shaft coupling remains static, clamping block 1043 is under the effect of 1044 elastic force of spring, and clamping block 1043 is all
It is in placing groove 1042, and 1043 outer end face of clamping block is concordant with 103 outer end face of positioning column, clamping block 1043 is not inserted at this time
Enter into lock hole 204；
When shaft coupling is in use state, under the influence of centrifugal force, clamping block 1043 protrudes outward clamping block 1043,
And a part outstanding is inserted into corresponding lock hole 204, and lock hole 204 and clamping block 1043 are in connection at this time
State can guarantee that the relative position of two half a couplers is stablized during high-speed rotation, effectively prevent occurring relatively sliding
It is dynamic.
In order to be connected and fixed retaining ring 300 closely with the first terminal pad 102 and the second terminal pad 202, into one
Step ground, further includes tooth block 400, and the tooth block 400 is set around first terminal pad 102 and the fixation of 202 outer wall of the second terminal pad
It sets, and the tooth block 400 in first terminal pad 102 is staggered with the tooth block 400 in second terminal pad 202.Tooth block
400 are integrally formed with the first terminal pad 102 and the second terminal pad 202, high mechanical strength.
Further, the retaining ring 300 includes ring body 301, notch 302, mounting hole 303, bolt 304 and perforation 305,
The ring body 301 is equipped with notch 302, therefore when in use, can break retaining ring 300 into two with one's hands, be set in 102 He of the first terminal pad
In second terminal pad 202, and mounting hole 303 is offered on 302 two sides of the notch, be equipped with bolt in the mounting hole 303
304, first terminal pad 102 and 202 outer wall of the second terminal pad are equipped with the screw hole cooperated with bolt 304, pass through bolt 304
It twists and is located in the first terminal pad 102 and the second terminal pad 202, realize retaining ring 300 and the first terminal pad 102 and the second terminal pad
202 are tightly fastened, and the ring body 301 is equipped with the perforation 305 cooperated with the tooth block 400.Due to 102 He of the first terminal pad
Tooth block 400 in second terminal pad 202 is interlaced setting, so that two rows of perforations 305 make the first connection also to be staggered
The connection of disk 102 and the second terminal pad 202 is even closer, and substantially reduces the risk of the opposite sliding of the two.
Using the technical solution of the utility model, positioning column 103 is inserted into positioning pipe 203 when in use, and two and half
Axis device alignment is good；And due to centrifugal force in rotation, clamping block 1043 is inserted partially into the clamping block 1043 of locking device 104
In lock hole 204, to realize the locking of positioning column 103 and positioning pipe 203, further connect in the first terminal pad 102 and second
It connects and is provided with tooth block 400 and retaining ring 300 outside disk 202, to realize the tight of the first terminal pad 102 and the second terminal pad 202
It is solidly connected, effectively prevents the relative rotation of the two, improve stability in use, and reduce the risk of sliding friction damage.
The utility model smart structural design, easy to install and use, alignment and stability are all good, long service life, dismantle also more
It is convenient.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of shaft coupling, it is characterised in that: including
First half a coupler, first half a coupler include the first connecting tube, the first terminal pad, positioning column and locking device,
First connecting tube is coaxially fixed at the left end of first terminal pad, and the right end middle part of first terminal pad is coaxial solid
Surely there is positioning column, the positioning column is equipped with locking device；
Second half a coupler, second half a coupler include the second connecting tube, the second terminal pad, positioning pipe and lock hole, institute
The right end that the second connecting tube is coaxially fixed at second terminal pad is stated, is coaxially fixed in the middle part of the left end of second terminal pad
There is positioning pipe, the positioning pipe inner wall surrounding is equipped with multiple lock holes, and the positioning column is inserted into the positioning pipe, and described
Locking device is inserted into the lock hole；
Retaining ring, first terminal pad and the docking of the second terminal pad, the retaining ring are wrapped on first terminal pad
On the second terminal pad outer wall.
2. shaft coupling as described in claim 1, it is characterised in that: the locking device include channel, placing groove, clamping block and
Spring, the positioning column outer wall circumferentially offer multiple placing grooves, and the placing groove medial surface is radially additionally provided in positioning column
Channel is equipped with spring in the channel, and clamping block is placed in the placing groove, is connect on the inside of the clamping block with spring, institute
It states clamping block a part and is inserted into the lock hole.
3. shaft coupling as claimed in claim 2, it is characterised in that: further include tooth block, the tooth block is around first connection
Disk and the fixed setting of the second terminal pad outer wall, and the tooth block in first terminal pad and the tooth block in second terminal pad are handed over
Mistake setting.
4. shaft coupling as claimed in claim 3, it is characterised in that: the retaining ring includes ring body, notch, mounting hole, bolt
And perforation, the ring body is equipped with notch, and mounting hole is offered on the notch two sides, bolt is equipped in the mounting hole,
First terminal pad and the second terminal pad outer wall are equipped with the screw hole cooperated with bolt, and the ring body is equipped with and the tooth block
The perforation of cooperation.
5. shaft coupling as described in claim 1, it is characterised in that: the outer diameter of the positioning column is slightly less than the interior of the positioning pipe
Diameter.
6. shaft coupling as claimed in claim 2, it is characterised in that: the position of the placing groove is opposite with the locking hole site
It answers, the shape size of the clamping block is slightly less than the shape size of the lock hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822114718.XU CN209370309U (en) | 2018-12-17 | 2018-12-17 | A kind of shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822114718.XU CN209370309U (en) | 2018-12-17 | 2018-12-17 | A kind of shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209370309U true CN209370309U (en) | 2019-09-10 |
Family
ID=67833321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822114718.XU Active CN209370309U (en) | 2018-12-17 | 2018-12-17 | A kind of shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209370309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441962A (en) * | 2018-12-17 | 2019-03-08 | 天津市恒昌机械设备有限公司 | A kind of shaft coupling |
-
2018
- 2018-12-17 CN CN201822114718.XU patent/CN209370309U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441962A (en) * | 2018-12-17 | 2019-03-08 | 天津市恒昌机械设备有限公司 | A kind of shaft coupling |
| CN109441962B (en) * | 2018-12-17 | 2024-04-05 | 天津市恒昌机械设备有限公司 | Coupling |
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