CN205780419U - Novel end face embedded clutch and be provided with the wheel chair motor of this clutch - Google Patents

Abstract

The utility model discloses Novel end face embedded clutch and be provided with the wheel chair motor of this clutch, this clutch includes clutch handle, output shaft and pull bar, rotate on the outer wall of output shaft and be provided with the first driven tooth, it is provided with several teeth in first driven tooth end face, strip gab is offered on the sidewall of output shaft, trundle it has been radially arranged on pull bar, elastic component it is additionally provided with in output shaft, elastic component acts on pull bar and trundle is separated with tooth, it is provided with loose slot in the end face of output shaft one end, projection it is provided with on clutch handle, when projection is positioned at loose slot groove depth bosom, position, clutch handle acts on pull bar and trundle is inserted in tooth.This kind of drive mechanism is arranged in wheel chair motor, can the most according to the actual requirements, connection between output shaft and the first driven tooth is carried out fast with disengaging, stably switches, has and be easy to processing, compact conformation, easy and simple to handle, stable and safe and reliable advantage.

Description

Novel end face embedded clutch and be provided with the wheel chair motor of this clutch

Technical field

This utility model relates to wheelchair accessory field, especially relates to Novel end face embedded clutch and is provided with this clutch The wheel chair motor of device.

Background technology

In electric wheelchair, it is common that driven driven tooth to rotate by motor, then it is made to carry out turning by driven tooth band motor car wheel Dynamic to realize moving ahead or retreating of electric wheelchair.This kind of drive, though the driving to wheel can be realized, but wheel always with Driven tooth remains connected to relation, and so, when stopping motor driving and to use hand-power to promote wheelchair, the used of magnetic steel of motor can effect Wheel can be rotated and produce bigger internal drag, so so that hand push job difficult is time-consuming.

At present, existing part prior art can solve the problems referred to above, such as Patent No. " 201520628985.2 ", proprietary term Being referred to as the Chinese utility model patent of " for the drive mechanism of wheel chair motor ", it discloses a kind of transmission for wheel chair motor Structure, in this drive mechanism, by coordinating of push rod and sliding axle, can make sliding axle slide in output shaft and carry Dynamic trundle is moved, thus can realize coordinating and disengaging between driven tooth with output shaft, so, can finally realize motor Drive and being connected and departing between output shaft.But, there are the following problems for this structure: 1, coordinates between push rod with sliding axle Reliability and stability are relatively low.In this drive mechanism, coordinating between push rod with movable axis is by between projection and breach Cooperation and realize, specifically, changed the relative position relation between projection and breach by pivot protrusion and reach mobile The purpose of sliding axle.Owing to projection is arranged at the end of push rod, breach is arranged at the end of movable axis, therefore, by this kind of end Contacting between portion with end coordinates problem transmission failure easily occur, so, then directly affects what whole drive mechanism ran Stability.2, sliding axle is difficult to processing and manufacturing.In this drive mechanism, for realizing coordinating between push rod with sliding axle, need to be The end of sliding axle is machined with breach, meanwhile, acts on susceptiveness and the stability of sliding axle to improve push rod, also need to be at this End is provided with the locating slot staggered with breach, and the high level of locating slot is to need to axial along sliding axle at the low level of breach Arranging in the shape of a spiral, and the structure of these technical characteristics need to use carving milling technical side to prepare, this can strengthen sliding axle undoubtedly and add The difficulty that work manufactures.

Utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that Novel end face embedded clutch and be provided with this The wheel chair motor of clutch, in this clutch, by protruding coordinating with loose slot, can make pull bar overcome propping up of elastic component Support is slided in acting on output shaft, so, then can realize contacting and disengaging of removable pin and tooth, so can realize first from Dynamic kinetic energy transmission between tooth and output shaft is with independent of one another.This kind of clutch is arranged in wheel chair motor, can root further According to actual demand, the connection between output shaft and the first driven tooth is carried out fast with disengaging, stably switches, have and be easy to add Work, compact conformation, easy and simple to handle, stable and safe and reliable advantage.

The purpose of this utility model is achieved through the following technical solutions:

Novel end face embedded clutch, including clutch handle, hollow arrange output shaft and be slideably positioned in output shaft Interior pull bar, the outer wall of output shaft rotates and is provided with the first driven tooth, is provided with several annulars in the first driven tooth end face The tooth of arrangement, the sidewall of output shaft offers strip gab, pull bar has been radially arranged through strip gab and can be in bar shaped The trundle moved axially along output shaft in opening, is additionally provided with elastic component in output shaft, elastic component acts on pull bar and makes to pass Untie-sell is separated with tooth, is provided with the activity that indent and groove depth progressively deepen along output shaft circumference in the end face of output shaft one end Groove, projection clutch handle being provided with in can inserting loose slot and can being rotatably assorted with loose slot, when projection is positioned at loose slot During bosom, groove depth position, clutch handle acts on pull bar and trundle is inserted in tooth.

In this utility model, convenient for drawing materials, elastic component can be selected for compression spring.For realizing the support to elastic component, can The end of output shaft is provided with back-up ring, so, it is possible to provide to the elastic component strong point so that it is can more stably act on pull bar. For realizing trundle setting on pull bar, by trip bolt, trundle can be fixed on pull bar.Due to the first driven tooth Can be in the relative position of trundle in the course of the work in being continually changing, for ease of pull bar under this Arbitrary Relative position all Can insert in tooth, then tooth is provided with several and along the end face annular array of the first driven tooth.

When needs hand-power rotary output axis, the most first rotate clutch handle so that projection is positioned at the most shallow place of loose slot groove depth, At this moment, pull bar drives trundle to be separated with tooth under the effect of elastic component, in this condition, output shaft then with the first driven tooth Separate, namely the first driven tooth synchronous axial system during output shaft rotation, can't be driven.Carried owing to losing the first driven tooth The internal drag come, then the rotation that can make output shaft is time saving and energy saving.When output shaft need to be driven by the first driven tooth, the most instead To rotating clutch handle so that projection is positioned at loose slot groove depth bosom, and at this moment, clutch handle is then to the direction near output shaft Move axially, thus act on pull bar so that it is overcome the supporting role of elastic component to drive trundle to insert in tooth, in this state Under, output shaft then keeps the state being synchronized with the movement by the gearing of trundle and the first driven tooth, that is, when first is driven When tooth rotates, then output shaft can be driven to carry out synchronous axial system.

In prior art, sliding axle not only needs to arrange breach and matches with projection, but also need to be by breach and projection Coordinate realize moving axially of sliding axle, so, be in operation, between sliding axle and push rod easily occur skid and lost efficacy ask Topic.In this utility model, the fit system of " settling at one go " has been abandoned in moving axially of pull bar, but it is real to use " two-step " to come Existing coordinating between clutch handle with pull bar, specifically, before this by protruding inserting to coordinate and realize clutch hands with loose slot Handle is along the axial movement of output shaft, then is acted on pull bar made the pull bar can be along output shaft by moving axially of clutch handle Move axially.By the mating reaction of this kind of multiple step format, it is greatly improved between clutch handle with pull bar coordinate and run steady Qualitative and reliability.It addition, loose slot is arranged in the end face of output shaft, can process prepared by general forging.

Visible, this utility model is coordinated with inserting between loose slot by projection, can be easy to regulate trundle and first Relative position between driven tooth, and then be easy to according to the actual requirements, to the connection between output shaft and the first driven tooth with point Carry out fast from state, stably switch.

For improving projection and the motility coordinated between loose slot and stability, further, described clutch handle sets Being equipped with connection seat, described projection stretches out and is formed by connecting seat, and the free end of projection is, and cambered surface is arranged；Described loose slot Groove bottom arrange in the shape of a spiral.In this utility model, the helical form of loose slot groove bottom is arranged can meet rotation clutch handle Time, it is raised in the path requirement of movement in loose slot, so, the protruding sensitivity coordinated with loose slot can be improved.Protruding from Arranged in cambered surface by end, the frictional force between protruding free end face and loose slot groove bottom can be reduced, meanwhile, also can reduce both Between abrasion.

For improving the stability coordinated between clutch handle and pull bar, further, the middle part of described connection seat is provided with Diameter width is less than the holding tank of described pull bar diameter width；The end of described pull bar is provided with in inserting holding tank and can be with appearance The section of inserting that groove of receiving is flexibly connected.Arranged by the section of inserting and holding tank, clutch handle can be integrated with pull bar, with Time, can keep again moving between the two is separate.

For improving projection and the reliability coordinated between loose slot, further, in groove depth bosom in described loose slot Place the most shallow with groove depth is provided with detent.By the setting of detent, can be easy to realize convex under without External Force Acting Play the location of position, so, when rotating clutch handle and driving projection to move to detent, this position that lockable is protruding Put, it is to avoid protruding generation in loose slot surprisingly slides.

For realizing the installation of elastic component and improving the stability that pull bar moves, further, described output shaft is in being provided with That end of described loose slot is that opening is arranged, and the other end of output shaft is arranged, outside the inwall of output shaft is provided with for closing Convex and may act on the spacing ring of described pull bar outer wall；Described elastic component be positioned at described trundle and described output shaft blind end it Between region.The setting that output shaft one end open and the other end are closed, can be easy to the installation of elastic component, and the two ends of elastic component are respectively Act on the blind end of trundle and output shaft then to can support pull bar and make it drive trundle to be separated with tooth.By spacing ring Arrange, pull bar can be avoided to shake in output shaft.

For improving the stability inserting cooperation between trundle and the first driven tooth, further, described strip gab sets It is equipped with two, and two strip gabs are arranged in correspondence with on the two side of described output shaft；Described trundle runs through described pull bar Two side, and its two ends are each passed through both of the aforesaid strip gab.

For improving the stability that clutch handle coordinates with output shaft end face, further, described projection is provided with two, and Two projections are distributed evenly on described clutch handle；Loose slot is provided with two, and two loose slots can be convex with two respectively Rise and match.In this utility model, owing to the groove depth of loose slot is stepping setting, thus the groove depth change of two loose slots Should be reversed, so, can ensure that clutch handle spacing between two ends and the output shaft being provided with projection keeps consistent.

A kind of wheel chair motor, including driving motor, deceleration transmission assembly and the Novel end face as described in aforementioned any one Embedded clutch, deceleration transmission assembly includes the first driving tooth and the second driven tooth of the first driving tooth cooperation and with second The second driving tooth that driven tooth coordinates, the first driving tooth matches with the rotor driving motor, the second driving tooth and Novel end face First driven tooth of embedded clutch matches, and the axis of the output shaft in Novel end face embedded clutch is main with first The axis of dynamic tooth is positioned on same horizontal line.

In this utility model, the first driving tooth is one-level driving tooth, and the second driven tooth is one-level driven tooth, the second driving tooth Being two grades of driving tooths, the first driven tooth is two grades of driven tooth, is arranged by deceleration transmission assembly, can be passed by the kinetic energy that drive motor Pass in the first driven tooth.

During this utility model application, the wheel of wheelchair is sheathed in the supporting construction being connected with output shaft, so, and output shaft Then directly band motor car wheel is synchronized with the movement.When driving motor need to be started drives output shaft rotation, then rotate clutch handle so that Projection is positioned at loose slot groove depth bosom, and at this moment, clutch handle then moves axially to the direction near output shaft, thus acts on Pull bar so that it is overcome the supporting role of elastic component to drive trundle to insert in tooth.In this condition, start and drive motor, then may be used Act on deceleration transmission assembly by its rotor, then by deceleration transmission assembly, kinetic energy is passed to the first driven tooth, output Axle then keeps the state being synchronized with the movement by the gearing of trundle and the first driven tooth, that is, when the first driven tooth rotates Time, then output shaft can be driven to carry out synchronous axial system, and then band motor car wheel carries out rotating to realize the movement of wheelchair.

When needs hand-power rotary output axis, then rotate backward clutch handle so that it is the most shallow that projection is positioned at loose slot groove depth Place, at this moment, pull bar drives trundle to be separated with tooth under the effect of elastic component, in this condition, output shaft then with first from Dynamic tooth is separate, namely can't drive the first driven tooth synchronous axial system during output shaft rotation.Under this kind of state, wheel Rotate and only output shaft can be driven to rotate, can't related deceleration transmission assembly and drive motor to rotate together.Due to Lose the first driven tooth, deceleration transmission assembly and the internal drag driving motor to be brought, thus, when hand-power promotes wheelchair then More time saving and energy saving.

For realizing braking the first driving tooth to improve the security performance run, further, also include brake assemblies, That end that described first driving tooth does not matches with described second driven tooth is through the rotor of described driving motor, and brake assemblies It is arranged on this end.

For ease of realizing the installation of wheel, further, casing and brake cover, the wheel hub that wheel hub, hollow arranges also is included It is sheathed on the output shaft of described Novel end face embedded clutch, and wheel hub is fixed with this output shaft and is connected, one end of casing Being connected with brake cover, the other end of casing is located on the output shaft of described Novel end face embedded clutch by bearing holder (housing, cover).This During utility model application, wheel is arranged on wheel hub.By the setting of bearing, keep between output shaft and casing independently of one another, And then can realize between wheel hub and casing independent of one another.

Compared with prior art, this utility model has the advantages that

1, in this utility model, by protruding coordinating with loose slot, pull bar can be made to overcome the supporting role of elastic component Slide in output shaft, so, then can realize contacting and disengaging of removable pin and tooth, so can realize the first driven tooth with Kinetic energy transmission between output shaft is with independent of one another.This kind of drive mechanism is arranged in wheel chair motor, can be further according to reality Border demand, carries out fast to the connection between output shaft and the first driven tooth with disengaging, stably switches, have be easy to processing, Easy and simple to handle, stable and safe and reliable advantage.

2, in this utility model, the fit system of " settling at one go " has been abandoned in moving axially of pull bar, but uses " two steps Formula " realize coordinating between clutch handle with pull bar, specifically, coordinating to come in fact with inserting of loose slot by protruding before this Existing clutch handle is along the axial movement of output shaft, then is acted on pull bar made pull bar energy edge by moving axially of clutch handle Moving axially of output shaft.By the mating reaction of this kind of multiple step format, be greatly improved between clutch handle with pull bar coordinate and The stability run and reliability.

3, in this utility model, loose slot is arranged in the end face of output shaft, can process prepared by forging.

4, less due to clutch axial displacement at work, thus so that whole wheel chair motor have compact conformation, Volume is little and the advantage of light weight.

Accompanying drawing explanation

Fig. 1 is the structural representation of one specific embodiment of Novel end face embedded clutch described in the utility model；

Fig. 2 is that in Novel end face embedded clutch described in the utility model, first driven tooth and output shaft one are concrete The structural representation of embodiment；

Fig. 3 is output shaft and one specific embodiment of pull bar in Novel end face embedded clutch described in the utility model Structural representation；

Fig. 4 is the structure of one specific embodiment of output shaft in Novel end face embedded clutch described in the utility model Schematic diagram；

Fig. 5 is the knot of one specific embodiment of clutch handle in Novel end face embedded clutch described in the utility model Structure schematic diagram；

Fig. 6 is the structural representation of embodiment 7；

Fig. 7 is that embodiment 7 is provided with casing, brake cover and structural representation during wheel hub.

Entitled corresponding to reference in accompanying drawing: 1, output shaft, 11, strip gab, 12, loose slot, 13, location Groove, 14, spacing ring, 2, pull bar, 21, trundle, 22, the section of inserting, 3, clutch handle, 31, protruding, 32, connect seat, 33, accommodate Groove, the 4, first driven tooth, 41, tooth, 5, elastic component, 6, drive motor, 7, deceleration transmission assembly, the 71, first driving tooth, 72, the Two driven tooth, the 73, second driving tooth, 8, brake assemblies, 9, casing, 10, brake cover, 15, wheel hub, 16, wheel.

Detailed description of the invention

Below in conjunction with embodiment and accompanying drawing, this utility model is described in further detail, but enforcement of the present utility model Mode is not limited to this.

Embodiment 1

As shown in Figures 1 to 6, Novel end face embedded clutch, including clutch handle 3, hollow arrange output shaft 1 and The pull bar 2 being slideably positioned in output shaft 1, the outer wall of output shaft 1 rotates and is provided with the first driven tooth 4, the first driven tooth 4 end It is provided with the tooth 41 of several annular array in face, the sidewall of output shaft 1 offers strip gab 11, pull bar 2 radially sets It is equipped with through strip gab 11 and the trundle 21 that can move axially along output shaft 1 in strip gab 11, also sets in output shaft 1 Being equipped with elastic component 5, elastic component 5 acts on pull bar 2 and trundle 21 is separated with tooth 41, sets in the end face of output shaft 1 one end It is equipped with the loose slot 12 that indent and groove depth progressively deepen along output shaft 1 circumference, clutch handle 3 is provided with and can insert loose slot 12 Projection 31 that is interior and that can be rotatably assorted with loose slot 12, when protruding 31 are positioned at loose slot 12 groove depth bosom, position, clutch hands Handle 3 acts on pull bar 2 and trundle 21 is inserted in tooth 41.

In the present embodiment, the first driven tooth 4 can be located on the outer wall of output shaft 1 by bearing holder (housing, cover).Convenient for drawing materials, elastic Part 5 can be selected for compression spring.For realizing the support to elastic component 5, the end of output shaft 1 can be provided with back-up ring, so, can carry Elasticity of supply part 5 strong point so that it is can more stably act on pull bar 2.For realizing the trundle 21 setting on pull bar 2, can By trip bolt, trundle 21 is fixed on pull bar 2.Due to the first driven tooth 4 in the course of the work with the phase of trundle 21 Position can be in being continually changing, can insert in tooth 41 for ease of pull bar 2 under this Arbitrary Relative position, then tooth 41 be set It is equipped with several and along the end face annular array of the first driven tooth 4.

When needs hand-power rotary output axis 1, the most first rotate clutch handle 3 so that protruding 31 are positioned at loose slot 12 groove depth The most shallow place, at this moment, pull bar 2 drives trundle 21 to be separated with tooth 41 under the effect of elastic component 5, in this condition, output shaft 1 Then separate with the first driven tooth 4, namely the first driven tooth 4 synchronous axial system when output shaft 1 rotates, can't be driven.Owing to losing Remove the internal drag that the first driven tooth 4 is brought, then the rotation that can make output shaft 1 is time saving and energy saving.Drive when needing the first driven tooth 4 During dynamic output shaft 1, then rotate backward clutch handle 3 so that protruding 31 are positioned at loose slot 12 groove depth bosom, at this moment, clutch hands Handle 3 then moves axially to the direction near output shaft 1, thus acts on pull bar 2 so that it is overcome the supporting role band of elastic component 5 Dynamic trundle 21 is inserted in tooth 41, and in this condition, output shaft 1 is then by the gearing of trundle 21 and the first driven tooth 4 Keep the state being synchronized with the movement, that is, when the first driven tooth 4 rotates, then output shaft 1 can be driven to carry out synchronous axial system.

In prior art, sliding axle not only needs to arrange breach and matches with projection, but also need to be by breach and projection Coordinate realize moving axially of sliding axle, so, be in operation, between sliding axle and push rod easily occur skid and lost efficacy ask Topic.In the present embodiment, the fit system of " settling at one go " has been abandoned in moving axially of pull bar 2, but it is real to use " two-step " to come Existing coordinating between clutch handle 3 with pull bar 2, specifically, before this by protruding 31 with the inserting to coordinate and realize of loose slot 12 Clutch handle 3 is along the axial movement of output shaft 1, then is acted on pull bar 2 made pull bar 2 by moving axially of clutch handle 3 Can moving axially along output shaft 1.By the mating reaction of this kind of multiple step format, it is greatly improved between clutch handle 3 and pull bar 2 The stability coordinated and run and reliability.It addition, loose slot 12 is arranged in the end face of output shaft 1, by general forging Can process prepared.

Visible, the present embodiment is coordinated by inserting between protruding 31 and loose slot 12, can be easy to regulate trundle 21 with Relative position between first driven tooth 4, and then it is easy to according to the actual requirements, to the company between output shaft 1 and the first driven tooth 4 Connect and carry out fast with released state, stably switch.

Embodiment 2

The present embodiment has been made on the basis of embodiment 1 and having been limited further below: the company of being provided with on described clutch handle 3 Joint chair 32, described protruding 31 are stretched out formed by connecting seat 32, and the free end of protruding 31 is that cambered surface is arranged；Described activity The groove bottom of groove 12 is arranged in the shape of a spiral.

In the present embodiment, the helical form of loose slot 12 groove bottom is arranged when can meet rotation clutch handle 3, and protruding 31 in work The path requirement of movement in dynamic groove 12, so, can improve protruding 31 sensitivity coordinated with loose slot 12.The free end of protruding 31 Arrange in cambered surface, the frictional force between protruding 31 free end faces and loose slot 12 groove bottom can be reduced, meanwhile, also can reduce both Between abrasion.

Preferably, the middle part of described connection seat 32 is provided with the diameter width holding tank less than described pull bar 2 diameter width 33；The section of inserting 22 that the end of described pull bar 2 is provided with in inserting holding tank 33 and can be flexibly connected with holding tank 33.By putting The section of entering 22 and holding tank 33 are arranged, and can be integrated with pull bar 2 by clutch handle 3, meanwhile, can keep again moving between the two Separate.

Embodiment 3

The present embodiment has been made on the basis of embodiment 1 and having been limited further below: in described loose slot 12 in groove depth Depths and the most shallow place of groove depth are provided with detent 13.By the setting of detent 13, can be easy under without External Force Acting Realize the location to protruding 31 positions, so, when rotating clutch handle 3 and driving protruding 31 to move to detent 13, can This position of locking projections 31, it is to avoid protruding 31 occur unexpected slip in loose slot 12.

Embodiment 4

The present embodiment has been made on the basis of embodiment 1 and having been limited further below: described output shaft 1 is described in being provided with That end of loose slot 12 is that opening is arranged, and the other end of output shaft 1 is arranged, outside the inwall of output shaft 1 is provided with for closing Convex and may act on the spacing ring 14 of described pull bar 2 outer wall；Described elastic component 5 is positioned at described trundle 21 and described output shaft 1 Region between blind end.The setting that output shaft 1 one end open and the other end are closed, can be easy to the installation of elastic component 5, elastic component The two ends of 5 are respectively acting on the blind end of trundle 21 and output shaft 1 and then can support pull bar 2 and make it drive trundle 21 and tooth 41 are separated.By the setting of spacing ring 14, pull bar 2 can be avoided to shake in output shaft 1.

Embodiment 5

The present embodiment has been made on the basis of embodiment 1 and having been limited further below: described strip gab 11 is provided with two Individual, and two strip gabs 11 are arranged in correspondence with on the two side of described output shaft 1；Described trundle 21 runs through described pull bar 2 Two side, and its two ends are each passed through both of the aforesaid strip gab 11.So, trundle 21 and the first driven tooth can be improved The stability of cooperation is inserted between 4.

Embodiment 6

The present embodiment has been made on the basis of embodiment 1 and having been limited further below: described protruding 31 are provided with two, and Two projections 31 are distributed evenly on described clutch handle 3；Loose slot 12 is provided with two, and two loose slots 12 can respectively with Two projections 31 match.In the present embodiment, owing to the groove depth of loose slot 12 is stepping setting, thus two loose slots 12 Groove depth change should be reversed, so, can ensure that clutch handle 3 is in being provided with between two ends and the output shaft 1 of protruding 31 Spacing keep consistent.

Embodiment 7

A kind of wheel chair motor, including driving motor 6, deceleration transmission assembly 7 and as described in any one in embodiment 1～6 Novel end face embedded clutch, deceleration transmission assembly 7 includes second that the first driving tooth 71 coordinates with the first driving tooth 71 Driven tooth 72 and the second driving tooth 73 coordinated with the second driven tooth 72, the first driving tooth 71 matches with the rotor driving motor 6 Closing, the second driving tooth 73 matches with the first driven tooth 4 of Novel end face embedded clutch, Novel end face embedded clutch In the axis of output shaft 1 and the axis of the first driving tooth 71 be positioned on same horizontal line.

In the present embodiment, the first driving tooth 71 is one-level driving tooth, and the second driven tooth 72 is one-level driven tooth, and second actively Tooth 73 is two grades of driving tooths, and the first driven tooth 4 is two grades of driven tooth, is arranged by deceleration transmission assembly 7, can will drive motor 6 Kinetic energy pass in the first driven tooth 4.

During the present embodiment application, the wheel 16 of wheelchair is sheathed in the supporting construction being connected with output shaft 1, so, and output Axle 1 then direct band motor car wheel 16 is synchronized with the movement.When driving motor 6 need to be started drives output shaft 1 to rotate, then rotate clutch hands Handle 3 so that protruding 31 are positioned at loose slot 12 groove depth bosom, and at this moment, clutch handle 3 is then axial to the direction near output shaft 1 Mobile, thus act on pull bar 2 so that it is overcome the supporting role of elastic component 5 to drive trundle 21 to insert in tooth 41.In this state Under, start and drive motor 6, then can act on deceleration transmission assembly 7 by its rotor, then will be dynamic by deceleration transmission assembly 7 Can pass to the first driven tooth 4, output shaft 1 then keeps being synchronized with the movement by the gearing of trundle 21 and the first driven tooth 4 State, that is, when the first driven tooth 4 rotates, then output shaft 1 can be driven to carry out synchronous axial system, and then band motor car wheel 16 enters Row rotates with the movement realizing wheelchair.

When needs hand-power rotary output axis 1, then rotate backward clutch handle 3 so that protruding 31 are positioned at loose slot 12 groove The most shallow deep place, at this moment, pull bar 2 drives trundle 21 to be separated with tooth 41 under the effect of elastic component 5, in this condition, output Axle 1 is then separate with the first driven tooth 4, namely can't drive the first driven tooth 4 synchronous axial system when output shaft 1 rotates.? Under this kind of state, the rotation of wheel 16 only can drive output shaft 1 to rotate, can't related deceleration transmission assembly 7 and driving Motor 6 rotates together.Owing to losing the first driven tooth 4, deceleration transmission assembly 7 and the inside resistance driving motor 6 to be brought Power, thus, the most time saving and energy saving when hand-power promotes wheelchair.

For realizing braking the first driving tooth to improve the security performance run, it is preferable that also include brake assemblies 8, That end that described first driving tooth 71 does not matches with described second driven tooth 72 is through the rotor of described driving motor 6, and stops Car assembly 8 is arranged on this end.

Preferably, also including casing 9 and brake cover 10 that wheel hub 15, hollow arranges, wheel hub 15 is sheathed on described Novel end On the output shaft 1 of face embedded clutch, and wheel hub 15 is fixed with this output shaft 1 and is connected, one end of casing 9 and brake cover 10 phases Even, the other end of casing 9 is located on the output shaft 1 of described Novel end face embedded clutch by bearing holder (housing, cover).In the present embodiment, Described driving assembly 6 and deceleration transmission assembly 7 can be may be contained within casing 9, and brake assemblies 8 is arranged at brake cover 10 In.During the present embodiment application, wheel 16 is arranged on wheel hub.By the setting of bearing, keep each other between output shaft and casing Independent, so can realize between wheel hub and casing independent of one another.

Above content is to combine the further description that this utility model is made by concrete preferred implementation, it is impossible to recognize Fixed detailed description of the invention of the present utility model is confined to these explanations.Common skill for this utility model art For art personnel, other embodiments drawn under without departing from the technical solution of the utility model, should be included in this practicality In novel protection domain.

Claims (10)

1. Novel end face embedded clutch, it is characterised in that: include output shaft (1) that clutch handle (3), hollow arranges and sliding The dynamic pull bar (2) being arranged in output shaft (1), the outer wall of output shaft (1) rotates and is provided with the first driven tooth (4), first from It is provided with the tooth (41) of several annular array in dynamic tooth (4) end face, the sidewall of output shaft (1) offers strip gab (11), pull bar (2) it has been radially arranged through strip gab (11) and axially can move along output shaft (1) in strip gab (11) Dynamic trundle (21), is additionally provided with elastic component (5) in output shaft (1), elastic component (5) acts on pull bar (2) and makes trundle (21) it is separated with tooth (41), is provided with indent and groove depth in the end face of output shaft (1) one end and progressively becomes along output shaft (1) circumference Deep loose slot (12), clutch handle (3) is provided with in can inserting loose slot (12) and can be rotatably assorted with loose slot (12) Projection (31), when protruding (31) are positioned at bosom, loose slot (12) groove depth position, clutch handle (3) acts on pull bar (2) Trundle (21) is inserted in tooth (41).

Novel end face embedded clutch the most according to claim 1, it is characterised in that: described clutch handle sets on (3) Being equipped with connection seat (32), described projection (31) is stretched out by connection seat (32) and is formed, and the free end of protruding (31) is arc Face is arranged；The groove bottom of described loose slot (12) is arranged in the shape of a spiral.

Novel end face embedded clutch the most according to claim 2, it is characterised in that: the middle part of described connection seat (32) It is provided with the diameter width holding tank (33) less than described pull bar (2) diameter width；The end of described pull bar (2) is provided with to be inserted In holding tank (33) and the section of inserting (22) that can be flexibly connected with holding tank (33).

Novel end face embedded clutch the most according to claim 1, it is characterised in that: in groove in described loose slot (12) Deep bosom and the most shallow place of groove depth are provided with detent (13).

Novel end face embedded clutch the most according to claim 1, it is characterised in that: described output shaft (1) is in setting Having that end of described loose slot (12) is that opening is arranged, and the other end of output shaft (1) is arranged for closing, output shaft (1) interior It is provided with evagination on wall and may act on the spacing ring (14) of described pull bar (2) outer wall；Described elastic component (5) is positioned at described transmission Region between pin (21) and described output shaft (1) blind end.

Novel end face embedded clutch the most according to claim 1, it is characterised in that: described strip gab (11) is arranged There are two, and two strip gabs (11) are arranged in correspondence with on the two side of described output shaft (1)；Described trundle (21) runs through The two side of described pull bar (2), and its two ends are each passed through both of the aforesaid strip gab (11).

Novel end face embedded clutch the most according to claim 1, it is characterised in that: described projection (31) is provided with two Individual, and two projections (31) are distributed evenly on described clutch handle (3)；Loose slot (12) is provided with two, and two is movable Groove (12) can match with two projections (31) respectively.

8. a wheel chair motor, it is characterised in that: include driving motor (6), deceleration transmission assembly (7) and such as claim 1～7 Novel end face embedded clutch described in middle any one, deceleration transmission assembly (7) includes the first driving tooth (71) and first The second driven tooth (72) that driving tooth (71) coordinates and the second driving tooth (73) coordinated with the second driven tooth (72), first actively Tooth (71) matches with the rotor driving motor (6), the first of the second driving tooth (73) and Novel end face embedded clutch from Dynamic tooth (4) matches, the axis of the output shaft (1) in Novel end face embedded clutch and the axis of the first driving tooth (71) Line is positioned on same horizontal line.

A kind of wheel chair motor the most according to claim 8, it is characterised in that: also including brake assemblies (8), described first is main That end that dynamic tooth (71) does not matches with described second driven tooth (72) is through the rotor of described driving motor (6), and brake group Part (8) is arranged on this end.

A kind of wheel chair motor the most according to claim 9, it is characterised in that: also include the machine that wheel hub (15), hollow are arranged Shell (9) and brake cover (10), wheel hub (15) is sheathed on the output shaft (1) of described Novel end face embedded clutch, and wheel hub (15) fixing with this output shaft (1) being connected, one end of casing (9) is covered (10) be connected with being braked, and the other end of casing (9) passes through Bearing holder (housing, cover) is located on the output shaft (1) of described Novel end face embedded clutch.