CN206478131U - Length-adjustable shaft coupling - Google Patents
Length-adjustable shaft coupling Download PDFInfo
- Publication number
- CN206478131U CN206478131U CN201720190193.0U CN201720190193U CN206478131U CN 206478131 U CN206478131 U CN 206478131U CN 201720190193 U CN201720190193 U CN 201720190193U CN 206478131 U CN206478131 U CN 206478131U
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- China
- Prior art keywords
- sleeve
- plugging
- hole
- length
- locking device
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Abstract
The utility model is related to a kind of length-adjustable shaft coupling, and it includes locking device and sleeve of plugging into, and sleeve at least one end of plugging into is provided with the locking device, and sleeve of plugging into is connected with locking device, and set hole is axially arranged with sleeve of plugging into；Locking device includes being axially arranged with the folder hole through its two ends in lock tube and chuck, chuck, and folder hole is connected with set hole, and lock tube is set in outside chuck, and lock tube is fixedly connected with sleeve of plugging into and narrows folder hole.Such length-adjustable shaft coupling is by unscrewing locking device, the power transmission shaft being attached thereto can be caused toward progress telescopic adjustment in or beyond the set hole for sleeve of plugging into, when regulation is to correct position, tighten locking device, power transmission shaft and locking device, sleeve of plugging into can be achieved to be relatively fixed, its is easy to adjust, adjustable length, and the same table for being adapted to a variety of width specifications is used.
Description
Technical field
The utility model is related to a kind of machine driving device, particularly a kind of length-adjustable shaft coupling of machine driving device
Device.
Background technology
Current same table, which is typically provided in more than two telescopic legs, telescopic leg, is provided with lead-screw drive mechanism, individual set
Then connected between the screw mandrel and gearbox drive of lead-screw drive mechanism, each gear-box by a pto（Ginseng
See China Patent No. for ZL201620484680.3 in lifting actuator disclosed in 7 days December in 2016）, due to different liters
Distance is different between dropping the telescopic leg of table, it is therefore desirable to change the power output shaft of different length.Due to the existing kind of drive
Deficiency, causes the installation difficulty for adding same table manufacturer.
Utility model content
The purpose of this utility model is that offer is a kind of simple and reasonable for structure, easy to adjust, suitable a variety of width specifications
The length-adjustable shaft coupling that same table is used, to overcome the deficiencies in the prior art.
What the purpose of this utility model was realized in：
A kind of length-adjustable shaft coupling, including locking device, it is characterised in that：Also include plug into sleeve, sleeve of plugging into
At least one end is provided with the locking device, and sleeve of plugging into is connected with locking device, and set hole is axially arranged with sleeve of plugging into；Lock
Tight device includes being axially arranged with the folder hole through its two ends in lock tube and chuck, chuck, and folder hole is connected with set hole, and lock tube is set in
Outside chuck, lock tube is fixedly connected with sleeve of plugging into and narrows folder hole.
The purpose of this utility model can also be solved using following technical measures：
As more specifically scheme, the folder hole outer end of the chuck is surrounded by intermediate plate, and movement joint is formed between intermediate plate, lock
Set center, which is provided with, to be used for the screwed hole for sleeve connection of plugging into and for making the narrowed bellmouth of folder hole, and screwed hole connects with bellmouth
Logical, sleeve ends of plugging into correspondence screwed hole is provided with external screw thread.In lock tube rundown process, chuck is constantly toward crowded, intermediate plate in bellmouth
Mutually draw close, therefore, narrowed inside folder hole, so as to clamp the power transmission shaft being interspersed in it.
Folder hole the inner of the chuck is grafting set, and the set hole grafting that grafting covers with sleeve of plugging into coordinates.
Wall-shaped face covers outer wall-shaped face with grafting and matched in the set hole of the sleeve of plugging into so that both can transmit torsion
Power.
The set hole axle face of the sleeve of plugging into and grafting set axial plane are in hexagon；Or, the set hole of the sleeve of plugging into
Axial plane and grafting set axial plane are square.
The jackets outer wall is provided with flange, and corresponding flange is provided with limited step in lock tube, flange be crimped on limited step with
Between sleeve end face of plugging into.
Pass through limited step transition between the screwed hole and bellmouth of the lock tube.After lock tube is tightened, flange is compacted
Between limited step and sleeve end face of plugging into, prevent chuck from being moved along its axis direction.
The sleeve two ends of plugging into are equipped with the locking device, realize that two ends power transmission shaft can be while carry out length adjustment.
The beneficial effects of the utility model are as follows：
Such length-adjustable shaft coupling can cause the power transmission shaft being attached thereto toward set of plugging into by unscrewing locking device
Telescopic adjustment is carried out in or beyond the set hole of cylinder, when adjusting to correct position, locking device is tightened, you can power transmission shaft and locking is realized
Device, sleeve of plugging into are relatively fixed, and its is easy to adjust, adjustable length, and the same table for being adapted to a variety of width specifications is used.
Brief description of the drawings
Fig. 1 is the application mode structural representation of the utility model one.
Fig. 2 is Fig. 1 overlooking the structure diagram.
Fig. 3 is Fig. 2 A-A cross section structure diagrams.
Fig. 4 is mplifying structure schematic diagram at B in Fig. 3.
Fig. 5 is the utility model decomposition texture schematic diagram.
Fig. 6 is the utility model another application mode structural representation.
Fig. 7 is Fig. 6 and table support（Take away after table leg telescopic）Structural representation after cooperation.
Fig. 8 loads onto structural representation after telescopic for table leg in Fig. 7.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model.
Referring to shown in Fig. 4 and Fig. 5, a kind of length-adjustable shaft coupling 6, including locking device and sleeve 61 of plugging into, plug into
The two ends of sleeve 61 are provided with the locking device, and sleeve 61 of plugging into is connected with locking device, is axially arranged with sleeve 61 of plugging into
Cover hole 611；Locking device includes being axially arranged with the folder hole 632 through its two ends, folder hole in lock tube 62 and chuck 63, chuck 63
632 are connected with set hole 611, and lock tube 62 is set in outside chuck 63, and lock tube 62 is fixedly connected with sleeve 61 of plugging into and by folder hole 632
Narrow.
The outer end of folder hole 632 of the chuck 63 is surrounded by intermediate plate 631, is formed between intermediate plate 631 in movement joint, lock tube 62
The heart is provided with the screwed hole 623 for being connected with sleeve 61 of plugging into and the bellmouth 621 for narrowing folder hole 632, screwed hole 623
Connected with bellmouth 621, the end of sleeve 61 correspondence screwed hole 623 of plugging into is provided with external screw thread.
The folder hole 632 of the chuck 63 is inner for grafting set 634, the grafting of set hole 611 of grafting set 634 and sleeve 61 of plugging into
Coordinate.Wall-shaped face covers 634 outer wall-shaped faces with grafting and matched in the set hole 611 of the sleeve 61 of plugging into.Specifically：It is described to plug into
It is in hexagon that the axial plane of set hole 611 of sleeve 61 and grafting, which cover 634 axial planes,.
The outer wall of chuck 63 is provided with corresponding flange 633 in flange 633, lock tube 62 and is provided with limited step 622, flange 633
Limited step 622 is crimped between the end face of sleeve 61 of plugging into.Lead between the screwed hole 623 and bellmouth 621 of the lock tube 62
Cross the transition of limited step 622.
With reference to shown in Fig. 1 to Fig. 3, two locking devices are connected with final drive shaft 51 and counter drive shaft 71 respectively, are passed when main
When lock tube 62 at moving axis 51 or at counter drive shaft 71 is unscrewed, final drive shaft 51 or counter drive shaft 71 can be pulled out or toward connecing outward
Retraction in sleeve 61 is refuted, the regulation of length is realized.
The final drive shaft 51 is connected by former moving gear case 5, reduction box 2 and motor 1.The reduction box 2 is provided with
One power intake and two clutch ends, wherein, power intake is connected with motor 1, two clutch ends
It is connected respectively with former moving gear case 5 and former dynamic elevating mechanism 10.The reduction box 2 is moved provided with a power output shaft 21
The two ends of power output shaft 21 are stretched out outside reduction box 2 and form two clutch ends, and clutch end is located on reduction box 2
Outside lower both sides.
The former moving gear case 5 is rotated moves bevel gear and one to three driven bevel pinion, the dynamic bevel gear of original provided with an original
It is connected and is engaged with driven bevel pinion with the upper end of power output shaft 21.
The former dynamic elevating mechanism 10 includes outer tube 4, telescopic tube assembly and screw rod 211, outer tube 4 and reduction box 2
Housing is relatively fixed cooperation, and telescopic tube assembly is stretched into outer tube 4 and coordinated with the linear slide of outer tube 4, telescopic tube assembly with
The screw thread of screw rod 211 coordinates, and screw rod 211 links into an integrated entity with power output shaft 21.
The telescopic tube assembly includes support tube 3, upper end cover 32 and bottom end cover 31, and upper end cover 32 and bottom end cover 31 are set respectively
Put in the upper and lower ends of support tube 3, the center of upper end cover 32 coordinates provided with screw with the screw thread of screw rod 211, the outer wall of upper end cover 32 is provided with and led
To block, correspondence guide pad is provided with guide groove in outer tube 4, and guide pad coordinates with guide groove linear slide.
The outer wall of upper end cover 32 is additionally provided with touching block 321, and the axis direction of 4 inner support tube of outer tube 3 passes through provided with two
Touch the first limit switch 91 and the second limit switch 92 of the touch-control of block 321.
The support tube 3 is pipe, screw of the one end of screw rod 211 through upper end cover 32 stretch into pipe and with positioning head 212
Connection, positioning head 212 coordinates with round tube inner wall gap.
The outer also stationary fit of the power output shaft 21 is provided with brake pad 81, and brake pad 81 is externally provided with tripping spring 82, system
Spring 82 of moving is set in outside brake pad 81, and one end of tripping spring 82 is connected with outer tube 4.
The counter drive shaft 71 is connected with driven tooth roller box 7, and driven tooth roller box 7 is also driven with driven elevating mechanism 20
Connection.The structure of driven tooth roller box 7 refers to former moving gear case 5, and the driven structure of elevating mechanism 20 refers to former dynamic elevating mechanism 10.
Another embodiment, with reference to shown in Fig. 6, shaft coupling 6 is equally applicable to China Patent No. and is
ZL201620484680.3 is in lifting actuator disclosed in 7 days December in 2016.
With reference to shown in Fig. 7 and 8, shaft coupling 6 is applied in same table, in view of the lifting actuator structure shown in Fig. 6
Particularity（Motor 1 is at feet 30）, its power line 40 can stretch out at feet 30, because feet 30 is fixed, institute
With power line 40 and the controller 50 being attached thereto, power supply adaptor 60 etc., not with table top supporter 70 or Retractive leg 90
Move up and down.Fixed supporting leg 80 is arranged with Retractive leg 90, fixed supporting leg 80 is fixedly connected with feet 30, Retractive leg 90
Inwall lower end is slidably matched provided with wear-resistant plastic set 901 with fixed supporting leg 80.Because table top supporter 70 has one fixed width, it is
Ensure the stabilization of support, supported at least through two Retractive legs 90, distinguished at two Retractive legs 90 of correspondence of table top supporter 70
Provided with former moving gear case 5 and driven tooth roller box 7, former moving gear case 5 and driven tooth roller box can be matched by adjusting shaft coupling 6
The distance between 7.
Claims (8)
1. a kind of length-adjustable shaft coupling, including locking device, it is characterised in that：Also include sleeve of plugging into（61）, set of plugging into
Cylinder（61）At least one end is provided with the locking device, sleeve of plugging into（61）It is connected with locking device, sleeve of plugging into（61）It is interior
It is axially arranged with set hole（611）；Locking device includes lock tube（62）And chuck（63）, chuck（63）Inside it is axially arranged with through its two ends
Folder hole（632）, folder hole（632）With set hole（611）Connection, lock tube（62）It is set in chuck（63）Outside, lock tube（62）With plugging into
Sleeve（61）It is fixedly connected and by folder hole（632）Narrow.
2. length-adjustable shaft coupling according to claim 1, it is characterised in that：The chuck（63）Folder hole（632）Outside
End is by intermediate plate（631）Surround, intermediate plate（631）Between be formed with movement joint, lock tube（62）Center, which is provided with, to be used for and sleeve of plugging into
（61）The screwed hole of connection（623）With for making folder hole（632）Narrowed bellmouth（621）, screwed hole（623）With bellmouth
（621）Connection, sleeve of plugging into（61）End correspondence screwed hole（623）Provided with external screw thread.
3. length-adjustable shaft coupling according to claim 1, it is characterised in that：The chuck（63）Folder hole（632）It is interior
Hold as grafting set（634）, grafting set（634）With sleeve of plugging into（61）Set hole（611）Grafting coordinates.
4. length-adjustable shaft coupling according to claim 3, it is characterised in that：The sleeve of plugging into（61）Set hole
（611）Interior wall-shaped face and grafting set（634）Outer wall-shaped face matches.
5. length-adjustable shaft coupling according to claim 4, it is characterised in that：The sleeve of plugging into（61）Set hole
（611）Axial plane and grafting set（634）Axial plane is in hexagon；Or, the sleeve of plugging into（61）Set hole（611）Axial plane and insert
Female connector（634）Axial plane is square.
6. length-adjustable shaft coupling according to claim 2, it is characterised in that：The chuck（63）Outer wall is provided with flange
（633）, lock tube（62）Interior corresponding flange（633）Provided with limited step（622）, flange（633）It is crimped on limited step（622）With
Plug into sleeve（61）Between end face.
7. length-adjustable shaft coupling according to claim 6, it is characterised in that：The lock tube（62）Screwed hole（623）
With bellmouth（621）Between pass through limited step（622）Transition.
8. length-adjustable shaft coupling according to claim 1, it is characterised in that：The sleeve of plugging into（61）Two ends are equipped with
The locking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720190193.0U CN206478131U (en) | 2017-03-01 | 2017-03-01 | Length-adjustable shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720190193.0U CN206478131U (en) | 2017-03-01 | 2017-03-01 | Length-adjustable shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206478131U true CN206478131U (en) | 2017-09-08 |
Family
ID=59747211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720190193.0U Active CN206478131U (en) | 2017-03-01 | 2017-03-01 | Length-adjustable shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206478131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109452762A (en) * | 2018-11-27 | 2019-03-12 | 滁州市朝友精密制造有限公司 | A kind of buried liftable computer console |
-
2017
- 2017-03-01 CN CN201720190193.0U patent/CN206478131U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109452762A (en) * | 2018-11-27 | 2019-03-12 | 滁州市朝友精密制造有限公司 | A kind of buried liftable computer console |
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