CN208381145U - Difunctional clutch transmission with overload protection function - Google Patents
Difunctional clutch transmission with overload protection function Download PDFInfo
- Publication number
- CN208381145U CN208381145U CN201821004343.5U CN201821004343U CN208381145U CN 208381145 U CN208381145 U CN 208381145U CN 201821004343 U CN201821004343 U CN 201821004343U CN 208381145 U CN208381145 U CN 208381145U
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- China
- Prior art keywords
- slide core
- driving sleeve
- spring
- hole
- annular
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The utility model discloses a kind of difunctional clutch transmission with overload protection function, including driving sleeve, clutch gear, slide core and hand-electric switching mechanism, driving sleeve includes teeth portion, slide core is slidably arranged in the inside of driving sleeve, clutch gear can be rotated axle sleeve, it is located at the outside of driving sleeve, several through-holes are distributed on the side wall of driving sleeve, several grooves are provided on the inside of clutch gear, first annular slot and the second annular groove are provided on the outside of the slide core, annular flange is formed between first annular slot and the second annular groove, steel ball is provided in each through-hole, hand-electric switching mechanism is arranged above slide core, it is supported between slide core lower end and driving sleeve and is equipped with spring, slide core is pressed on manual switching mechanism by the spring.The utility model structure is simple, have manual and electric handoff functionality, and can in overload situations effective protection motor, have higher safety.
Description
Technical field
The utility model relates to a kind of difunctional clutch transmission with overload protection function.
Background technique
The earthing switch being conventionally used in voltage electrical equipment, breaking-closing operating are carried out generally by manual mode,
Not only inefficiency, but also there is certain risk, with the progress of power equipment manufacturing process, power equipment power supply quality
It is more and more stable, to reduce power transformation operation workload, the unattended ability of electric system is improved, was occurred later a kind of electronic
Operating device comprising motor, transmission mechanism and the shell for being used to support motor, transmission mechanism, transmission mechanism are used for and connect
The operating shaft of ground switch is connected, and motor drives the operating shaft of earthing switch to rotate forward or backwards by transmission mechanism, thus
It is grounded the breaking-closing operating of switch.But this device be easy to cause motor damage when overloading, there are certain
Security risk.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of difunctional clutch transmission with overload protection function
Device, structure is simple, in overload situations can effective protection motor, have higher safety.
To achieve the above object, the utility model provides a kind of difunctional clutch transmission dress with overload protection function
It sets, including driving sleeve, clutch gear, slide core and hand-electric switching mechanism, driving sleeve include teeth portion, slide core is slidably arranged in
The inside of driving sleeve, clutch gear are rotatably set in the outside of driving sleeve, are circumferentially distributed on the side wall of driving sleeve
Several through-holes, are provided with several grooves corresponding with through-hole on the inside of clutch gear, on the outside of the slide core from up to down successively
It is provided with first annular slot and the second annular groove, annular flange, Mei Gesuo are formed between first annular slot and the second annular groove
The steel ball for being provided in through-hole and capableing of radial motion is stated, driving sleeve is capable of forming when steel ball is maintained between groove and through-hole
Transmission connection between clutch gear, hand-electric switching mechanism are arranged above slide core and for limiting slide core upward position,
It is supported between the slide core lower end and driving sleeve and is equipped with spring, which is pressed on the slide core on manual switching mechanism, hand
The slide core can be limited in by electric switch-over mechanism respectively to be made annular flange and through-hole opposite position or makes the second annular groove
Steel ball can be maintained to through-hole and recessed when annular flange is in through-hole opposite position with through-hole opposite position
Between slot, in overload, steel ball can push slide core to move downward and go forward side by side under the conflict of groove inner wall and annular flange effect
Enter into first annular slot.
By adopting the above technical scheme the advantages of, is: the teeth portion and clutch gear of the utility model driving sleeve be respectively used to
The transmission connection of the operating shaft of motor output shaft and earthing switch, when the utility model is in motor driven state, hand-electric is cut
The slide core is limited in by structure of changing planes makes annular flange and through-hole opposite position, and steel ball can be maintained at through-hole by annular flange
Between groove, so as to form the transmission connection between driving sleeve and clutch gear, motor can drive earthing switch
Operating shaft rotate to realize divide-shut brake；In overload, the active force that groove inner wall gives steel ball is given greater than annular flange
When the active force of steel ball, steel ball, which can contradict under groove inner wall effect with annular flange, to be cooperated, so that slide core be pushed to transport downwards
Spring-compressed is moved and makes, steel ball is able to enter in first annular slot, so as to make between driving sleeve and clutch gear
Transmission connection disconnects, and prevents motor overload from damaging；When the utility model is in manual actuation state, hand-electric switching mechanism will
The slide core, which is limited in, makes the second annular groove and through-hole opposite position, and steel ball can be into when groove inner wall gives the active force of steel ball
Enter into the second annular groove, so as to disconnect the transmission connection between driving sleeve and clutch gear, staff is made to exist
Manual driving operation axis not will drive motor rotation when rotating.The utility model structure is simple, has manual and electric handoff functionality,
And it can cut off rapidly the transmission connection between motor and operating shaft at overload and prevent electricity so as to effective protection motor
Machine damage, has preferable safety.
The hand-electric switching mechanism includes retainer ring, push rod and electromagnetic drive as a further improvement of the utility model,
Module, retainer ring is at the upper end of driving sleeve and can prevent slide core prolapse upwards, and electromagnetic drive module is arranged in push rod
Top is simultaneously moved downward for driving push rod, and push rod includes the first abutting portion and the second abutting portion, wherein the first abutting portion is used
Cooperate in being contradicted with driving sleeve upper end, second abutting portion, which is used to contradict with slide core, to be cooperated, when electromagnetic drive module is powered
When, slide core can be driven, which to move downwardly to, makes annular flange and through-hole opposite position；When the power-off of electromagnetic drive module, institute
It states slide core to move upwards under the action of the spring and inconsistent with retainer ring, while the slide core is located at makes the second annular groove and through-hole phase
Corresponding position.
By adopting the above technical scheme the advantages of, is: when electromagnetic drive module be powered when, can driving push rod move downward
And push rod is pressed on downwards makes the first abutting portion and the inconsistent position of driving sleeve, due to the setting of the second abutting portion, push rod
Slide core can also be pushed to move downwardly to when moving downward makes annular flange and through-hole opposite position, at this time the utility model
In electric drive state；When electromagnetic drive module power-off when, the slide core move upwards under the action of the spring and with retainer ring phase
It contradicts, push rod can also move upwards a distance under the promotion of slide core, and the slide core, which is located at, at this time makes the second annular groove and lead to
Hole opposite position, the utility model are in manual actuation state.Power on/off by controlling electromagnetic drive module can be real
The switching of existing the utility model manual actuation state and electric drive state.
The spring includes the first spring and second spring of coaxial arrangement as a further improvement of the utility model,
First spring is persistently pressed between the slide core and driving sleeve, and second spring is only pressed in the slide core and biography in overload
Between moving axis set.
By adopting the above technical scheme the advantages of is: in overload, the first spring and second spring act on slide core simultaneously
Active force that is upper and giving steel ball with sliding slot inner wall contends with, and in manual actuation state, the slide core only passes through the first bullet
Spring is supported and is located on retainer ring, makes slide core when switching to electric drive state from manual actuation state, the electromagnetic drive module is only
It needs to overcome the active force of the first spring to work, the load of electromagnetic drive module can be reduced, improve service life and safety.
The slide core includes axially extending inner hole as a further improvement of the utility model, the push rod lower end
Activity is threaded through in the inner hole, and the lower end of inner hole is equipped with flaring, offers annular notch, first bullet at slide core lower end outside
Spring is set in annular indentation, there, and the second spring is set in push rod lower end and is plugged in the flaring.
By adopting the above technical scheme the advantages of is: the first spring and second spring are not easy to shift at work, mention
The stability of height work.
The groove is provided with opening, the clutch in clutch gear one end as a further improvement of the utility model,
Gear can slide axially along driving sleeve.
By adopting the above technical scheme the advantages of, is: convenient for the installation and removal of clutch gear and steel ball.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model embodiment；
Fig. 2 is the partial sectional view of the utility model embodiment；
Fig. 3 is axial sectional view of the utility model embodiment in manual actuation state；
Fig. 4 is axial sectional view of the utility model embodiment in motor driven state；
Fig. 5 is axial sectional view of the utility model embodiment in overload；
Fig. 6 is the cross-sectional view of the part A-A in Fig. 3.
Specific embodiment
The embodiment of difunctional clutch transmission of the utility model with overload protection function is as shown in Figures 1 to 6: including
Driving sleeve 1, clutch gear 2, slide core 3 and hand-electric switching mechanism, driving sleeve 1 include teeth portion 11, and slide core 3 is slidably arranged in
The inside of driving sleeve 1, clutch gear 2 are rotatably set in the outside of driving sleeve 1, circumferentially divide on the side wall of driving sleeve 1
Several through-holes 12 are furnished with, the inside of clutch gear 2 is provided with several grooves 21 corresponding with through-hole 12,3 outside of slide core
It is disposed with first annular slot 31 and the second annular groove 32, shape between first annular slot 31 and the second annular groove 32 from up to down
At there is annular flange 33, it is provided with the steel ball 5 for capableing of radial motion in each through-hole 12, steel ball 5 is maintained at groove 21
The transmission connection being capable of forming between driving sleeve 1 and clutch gear 2 when between through-hole 12, hand-electric switching mechanism 4 are arranged
Above slide core 3 and for limiting 3 upward position of slide core, is supported between 3 lower end of slide core and driving sleeve 1 and be equipped with spring, it should
The slide core 3 is pressed on manual switching mechanism by spring, and the slide core 3 can be limited in by hand-electric switching mechanism respectively to be made
Annular flange 33 and 12 opposite position of through-hole make the second annular groove 32 and 12 opposite position of through-hole, at annular flange 33
When with 12 opposite position of through-hole, steel ball 5 can be maintained between the 21 of through-hole 12 and groove, in overload, 5 energy of steel ball
It is enough to push slide core 3 to move downward under the conflict effect of 21 inner wall of groove and annular flange 33 and enter in first annular slot 31
(as shown in Figure 5).The hand-electric switching mechanism includes retainer ring 61, push rod 62 and electromagnetic drive module, electromagnetic drive module packet
Magnetic patch 631 and coil 632 are included, retainer ring 61 is at the upper end of driving sleeve 1 and can prevent 3 prolapse upwards of slide core, electromagnetism
Drive module setting moves downward above push rod 62 and for driving push rod 62, and push rod 62 includes 621 He of the first abutting portion
Second abutting portion 622 cooperates, second abutting portion 622 wherein the first abutting portion 621 is used to contradict with 1 upper end of driving sleeve
Cooperate for being contradicted with slide core 3, when electromagnetic drive module is powered, slide core 3 can be driven, which to move downwardly to, makes annular flange
33 with 12 opposite position of through-hole (as shown in Figure 4)；When electromagnetic drive module power-off when, the slide core 3 under the action of the spring to
Upper movement is simultaneously inconsistent with retainer ring 61, while the slide core 3 is located at and makes the second annular groove 32 with 12 opposite position of through-hole (as schemed
Shown in 3).The spring includes the first spring 71 and second spring 72 of coaxial arrangement, and the first spring 71 is persistently pressed in described
Between slide core 3 and driving sleeve 1, second spring 72 is only pressed between the slide core 3 and driving sleeve 1 in overload (as schemed
3, shown in 4,5).The slide core 3 includes axially extending inner hole 34, and the 62 lower end activity of push rod is threaded through the inner hole 34
In, the lower end of inner hole 34 is equipped with flaring 341, annular notch 35 is offered at 3 lower end outside of slide core, under the driving sleeve 1
Spring pad 13 is embedded at end, the upper end of first spring 71 is set at annular notch 35, the second spring 72 it is upper
End cap is located at 62 lower end of push rod and is plugged in the flaring 341, and the lower end of the first spring 71 and the lower end of second spring 72 are equal
To being located on spring pad 13.The groove 21 is provided with opening 211 in 2 one end of clutch gear, and the clutch gear 2 can be along
Driving sleeve 1 slides axially.
Above example, only one kind of the utility model preferably specific example, those skilled in the art are practical new at this
The usual variations and alternatives carried out in type technical proposal scope are included in the protection scope of the utility model.
Claims (5)
1. a kind of difunctional clutch transmission with overload protection function, including driving sleeve, clutch gear, slide core and flashlight
Dynamic switching mechanism, driving sleeve includes teeth portion, and slide core is slidably arranged in the inside of driving sleeve, and clutch gear is rotatably set in
Several through-holes are circumferentially distributed on the side wall of driving sleeve in the outside of driving sleeve, be provided on the inside of clutch gear it is several with
The corresponding groove of through-hole, the slide core outside are disposed with first annular slot and the second annular groove, the first ring from up to down
It is formed with annular flange between shape slot and the second annular groove, is provided with the steel ball for capableing of radial motion in each through-hole,
The transmission connection being capable of forming when steel ball is maintained between groove and through-hole between driving sleeve and clutch gear, hand-electric switching
Mechanism is arranged above slide core and for limiting slide core upward position, supports between the slide core lower end and driving sleeve and is equipped with bullet
The slide core is pressed on manual switching mechanism by spring, the spring, and hand-electric switching mechanism can respectively limit the slide core
Make annular flange and through-hole opposite position or making the second annular groove and through-hole opposite position, when annular flange is in and is led to
When the opposite position of hole, steel ball can be maintained between through-hole and groove, in overload, steel ball can in groove inner wall and
The conflict effect of annular flange is lower to push slide core to move downward and enter in first annular slot.
2. the difunctional clutch transmission according to claim 1 with overload protection function, it is characterised in that: the hand
Electric switch-over mechanism includes retainer ring, push rod and electromagnetic drive module, and retainer ring is at the upper end of driving sleeve and can prevent
Slide core prolapse upwards, electromagnetic drive module are arranged above push rod and move downward for driving push rod, and push rod includes first
Abutting portion and the second abutting portion cooperate wherein the first abutting portion is used to contradict with driving sleeve upper end, and second abutting portion is used
Cooperate in being contradicted with slide core, when electromagnetic drive module is powered, slide core can be driven, which to move downwardly to, to be made annular flange and lead to
Hole opposite position；When the power-off of electromagnetic drive module, the slide core moves upwards and inconsistent with retainer ring under the action of the spring,
The slide core, which is located at, simultaneously makes the second annular groove and through-hole opposite position.
3. the difunctional clutch transmission according to claim 2 with overload protection function, it is characterised in that: the bullet
Spring includes that the first spring of coaxial arrangement and second spring, the first spring are persistently pressed between the slide core and driving sleeve,
Second spring is only pressed between the slide core and driving sleeve in overload.
4. the difunctional clutch transmission according to claim 3 with overload protection function, it is characterised in that: the cunning
Core includes axially extending inner hole, and push rod lower end activity is threaded through in the inner hole, and the lower end of inner hole is equipped with flaring, slide core
Annular notch is offered at lower end outside, first spring is set in annular indentation, there, and the second spring is set in push rod
Lower end is simultaneously plugged in the flaring.
5. the difunctional clutch transmission according to claim 1 or 2 or 3 or 4 with overload protection function, feature exist
In: the groove is provided with opening in clutch gear one end, and the clutch gear can slide axially along driving sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821004343.5U CN208381145U (en) | 2018-06-27 | 2018-06-27 | Difunctional clutch transmission with overload protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821004343.5U CN208381145U (en) | 2018-06-27 | 2018-06-27 | Difunctional clutch transmission with overload protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208381145U true CN208381145U (en) | 2019-01-15 |
Family
ID=64966005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821004343.5U Expired - Fee Related CN208381145U (en) | 2018-06-27 | 2018-06-27 | Difunctional clutch transmission with overload protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208381145U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626260A (en) * | 2018-06-27 | 2018-10-09 | 温州盛禾机械科技有限公司 | Difunctional clutch transmission with overload protection function |
| CN113513333A (en) * | 2021-07-23 | 2021-10-19 | 浙江大学 | Soft soil urban tunnel construction device and process thereof |
-
2018
- 2018-06-27 CN CN201821004343.5U patent/CN208381145U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626260A (en) * | 2018-06-27 | 2018-10-09 | 温州盛禾机械科技有限公司 | Difunctional clutch transmission with overload protection function |
| CN113513333A (en) * | 2021-07-23 | 2021-10-19 | 浙江大学 | Soft soil urban tunnel construction device and process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20210627 |