CN111134559A

CN111134559A - Bathroom back rubbing device capable of automatically changing cloth

Info

Publication number: CN111134559A
Application number: CN202010094026.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Qingdao Kangyan Daily Necessities Co Ltd
Current assignee: Qingdao Kangyan Daily Necessities Co Ltd
Priority date: 2020-02-15
Filing date: 2020-02-15
Publication date: 2020-05-12

Abstract

A back rubbing device for a bathroom, which can automatically change cloth; this device includes the main part case, the main part incasement is equipped with the lift chamber of opening left, lift intracavity sliding fit is connected with the lift case, lift chamber downside intercommunication is equipped with retrieves logical chamber, it is equipped with towel recovery chamber to retrieve logical chamber downside intercommunication, lift chamber front side intercommunication is equipped with the connecting block chamber, intercommunication chamber front side intercommunication is equipped with the sprocket chamber, sprocket chamber front side is equipped with the meshing chamber, it cleans the towel and accomplishes the fixed of cleaning the towel through pressing from both sides tight left side shift to send into in the fixed chamber of towel through the friction pulley rotation, thereby realize the automatic fixed towel that cleans, it has sanitary problem to prevent to clean the long-time use of towel, and reduced the work load of frequently changing the cleaning part, clean the back of the body automatically to realize through the lift case up-and-down reciprocating motion, the automatic towel that falls into after accomplishing the back use retrieves.

Description

Bathroom back rubbing device capable of automatically changing cloth

Technical Field

The invention relates to the technical field related to appliances for cleaning bodies, in particular to a bathroom back rubbing device capable of automatically changing cloth.

Background

Along with the development of society, people are pursuing the experience of bathing more and more, because of the limitation of human joint, the back often is difficult to touch and wash, has very big influence the experience of bathing, also can influence the cleanness of back simultaneously, and some automatic back rubbing device's of present clean part often are difficult to change, uses for a long time and has the hidden danger in the aspect of health to be unsuitable in gymnasium bathroom, the public occasion in public bathroom.

Disclosure of Invention

Aiming at the technical defects, the invention provides a bathroom back rubbing device capable of automatically changing cloth, which can overcome the defects.

The invention relates to a bathroom back rubbing device capable of automatically changing cloth, which comprises a main body box, wherein a lifting cavity with a left opening is arranged in the main body box, the lifting cavity is connected with a lifting box in a sliding fit manner, the lower side of the lifting cavity is communicated with a recovery through cavity, the lower side of the recovery through cavity is communicated with a towel recovery cavity, the front side of the lifting cavity is communicated with a connecting block cavity, the front side of the communication cavity is communicated with a sprocket cavity, the front side of the sprocket cavity is provided with a meshing cavity, the right side of the lifting cavity is communicated with a sliding magnet cavity, the sliding magnet cavity is connected with a first magnet in a sliding fit manner, a first stretching spring is fixedly connected between the rear end surface of the first magnet and the rear end wall of the sliding magnet cavity, the upper side of the lifting cavity is communicated with a communication cavity, the upper side of the communication cavity is communicated with a towel preparation, the right side of the towel preparation cavity is communicated with a towel storage cavity which is communicated with the friction wheel cavity upwards, a towel push plate is connected in the towel storage cavity in a sliding fit mode, and a first compression spring is fixedly connected between the lower end face of the towel push plate and the lower end wall of the towel storage cavity.

On the basis of the technical scheme, the lift case includes towel fixed chamber, towel fixed chamber is located the lift incasement, towel fixed chamber left side intercommunication is equipped with the logical chamber of the open-ended piece of wiping left, towel fixed chamber right side intercommunication be equipped with right opening and with the magnetism that slip magnet chamber corresponds leads to the chamber, the fixed intracavity sliding fit of towel is connected with the clamp plate, clamp plate left end face fixedly connected with wipe the piece that the chamber corresponds, clamp plate right-hand member face fixedly connected with magnetism leads to the second magnet that the chamber corresponds, clamp plate right-hand member face with symmetry fixedly connected with second extension spring about from top to bottom between the fixed chamber right-hand member wall of towel, bilateral symmetry intercommunication is equipped with the outside towel of opening and leads to the chamber about the fixed chamber of towel.

On the basis of the technical scheme, the chain wheel cavity comprises a first driven shaft, the first driven shaft is vertically and symmetrically connected with the front end wall of the chain wheel cavity in a rotating fit manner and extends backwards into the chain wheel cavity, the first driven shaft at the upper side extends forwards into the meshing cavity, a chain wheel fixedly connected with the tail end of the front side of the first driven shaft is arranged in the chain wheel cavity, a chain is connected between the chain wheels in a power fit manner, the rear end face of the chain is fixedly connected with a rotating shaft, the chain wheel cavity is connected with a sliding box positioned at the rear side of the chain wheel in a sliding fit manner, a sliding block cavity with a forward opening is arranged in the sliding box, a sliding block is connected on the rotating shaft in a rotating fit manner, the sliding block is positioned in the sliding block cavity and is connected with the sliding block cavity in a sliding fit manner, and the rear, the rear end face of the connecting block is fixedly connected with the front end face of the lifting box.

On the basis of the technical scheme, the friction wheel cavity includes the second driven shaft, second driven shaft effect symmetry with friction wheel cavity front end wall normal running fit connects and extends backward to in the friction wheel cavity, the right side the second driven shaft extends forward the meshing intracavity, power fit is connected with between the second driven shaft and is located the drive belt of friction wheel intracavity, the friction wheel intracavity still be equipped with the terminal fixed connection's of second driven shaft rear side friction wheel, left side friction wheel part is located the intracavity is prepared to the towel, the right side friction wheel part is located the intracavity is stored to the towel, friction wheel cavity upper end wall fixedly connected with is located the right side the sensor directly over the friction wheel.

On the basis of the technical scheme, the meshing cavity comprises a first transmission gear, the first transmission gear is positioned in the meshing cavity and fixedly connected with the front end of the first driven shaft at the upper side, a motor which is fixedly connected with the main body box and positioned between the first driven shaft and the second driven shaft at the right side is arranged in the front end wall of the meshing cavity, the rear end surface of the motor is fixedly connected with a third driven shaft which extends backwards into the meshing cavity, a fourth driven shaft which is in spline fit connection with the third driven shaft is arranged in the meshing cavity, a spline cavity with a forward opening is arranged in the fourth driven shaft, a second compression spring is fixedly connected between the rear end surface of the third driven shaft and the bottom wall of the spline cavity, a second transmission gear which can be meshed with the first transmission gear is fixedly connected on the fourth driven shaft, and a third magnet is connected at the rear end of the fourth driven shaft in a rotating fit manner, the rear end wall of the meshing cavity is fixedly connected with a fourth driven shaft corresponding to the third magnet, a pull rope is fixedly connected between the rear end face of the third magnet and the front end face of the first magnet, a third transmission gear fixedly connected with the tail end of the front side of the second driven shaft is further arranged in the meshing cavity, and the third transmission gear can be meshed with the sliding magnet cavity and is located on the rear side of the first transmission gear.

The invention has the beneficial effects that: the towel is wiped by feeding the towel into the towel fixing cavity in a rotating mode through the friction wheel, the towel is wiped by clamping the towel left to finish wiping, so that the automatic fixed wiping of the towel is realized, the problem that the towel is sanitary when being used for a long time is prevented from being wiped, the workload of frequently replacing the wiping part is reduced, the automatic back wiping is realized through the up-and-down reciprocating motion of the lifting box, the towel after being used after being wiped automatically falls into the towel recovery cavity, and the subsequent cleaning work is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic view of a back rubbing device for bathroom capable of automatically changing cloth according to the present invention;

FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;

FIG. 3 is a schematic sectional view taken along line B-B in FIG. 2;

fig. 4 is a schematic sectional view of the structure in the direction of C-C in fig. 3.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

As shown in fig. 1-4, the back rubbing device for bathroom capable of automatically changing cloth of the device of the invention comprises a main body box 10, wherein a lifting cavity 24 with a leftward opening is arranged in the main body box 10, a lifting box 43 is connected in the lifting cavity 24 in a sliding fit manner, a recycling through cavity 25 is communicated with the lower side of the lifting cavity 24, a towel recycling cavity 26 is communicated with the lower side of the recycling through cavity 25, a connecting block cavity 30 is communicated with the front side of the lifting cavity 24, a sprocket cavity 34 is communicated with the front side of the communicating cavity 20, an engaging cavity 44 is arranged on the front side of the sprocket cavity 34, a sliding magnet cavity 39 is communicated with the right side of the lifting cavity 24, a first magnet 40 is connected in the sliding magnet cavity 39 in a sliding fit manner, a first extension spring 41 is fixedly connected between the rear end face of the first magnet 40 and the rear end wall of the sliding magnet cavity 39, a communicating cavity 20 is communicated with the, the upper side of the communicating cavity 20 is communicated with a towel preparing cavity 19, the upper side of the towel preparing cavity 19 is communicated with a friction wheel cavity 15, the right side of the towel preparing cavity 19 is communicated with a towel storage cavity 12 which is communicated with the friction wheel cavity 15 upwards, the towel storage cavity 12 is connected with a towel push plate 13 in a sliding fit mode, and a first compression spring 11 is fixedly connected between the lower end face of the towel push plate 13 and the lower end wall of the towel storage cavity 12.

In addition, in one embodiment, the lift box 43 includes a towel holding chamber 56, the towel holding chamber 56 is located within the lift box 43, the left side of the towel fixing cavity 56 is communicated with the wiping block through cavity 22 with a left opening, the right side of the towel fixing cavity 56 is communicated with the magnetic through cavity 42 with a right opening and corresponding to the sliding magnet cavity 39, the towel fixing cavity 56 is connected with a clamping plate 28 in a sliding fit manner, the left end face of the clamping plate 28 is fixedly connected with a wiping block 27 corresponding to the wiping block through cavity 22, a second magnet 29 corresponding to the magnetic through cavity 42 is fixedly connected to the right end face of the clamping plate 28, a second extension spring 21 is vertically and symmetrically fixedly connected between the right end surface of the clamping plate 28 and the right end wall of the towel fixing cavity 56, the upper side and the lower side of the towel fixing cavity 56 are symmetrically communicated with towel through cavities 23 with outward openings; the second magnet 29 and the first magnet 40 are magnetically repulsive and the repulsive force is larger than the pulling force of the second extension spring 21, when the first magnet 40 moves forward to correspond to the second magnet 29, the wiping block 27 and the clamping plate 28 overcome the pulling force of the second extension spring 21 under the repulsive force between the second magnet 29 and the first magnet 40 and move leftward to the left end face of the clamping plate 28 to abut against the left end wall of the towel fixing cavity 56, and at this time, the wiping block 27 protrudes leftward from the lifting box 43.

In addition, in an embodiment, the sprocket chamber 34 includes first driven shaft 45, first driven shaft 45 upper and lower symmetry with sprocket chamber 34 front end wall normal running fit is connected and backward extends to in the sprocket chamber 34, the upside first driven shaft 45 extends to forward in the meshing chamber 44, be equipped with in the sprocket chamber 34 with first driven shaft 45 front end fixed connection's sprocket 33, power fit is connected with chain 35 between the sprocket 33, chain 35 rear end face fixedly connected with pivot 32, sliding fit is connected with in the sprocket chamber 34 and is located the slide box 36 of sprocket 33 rear side, be equipped with the forward slider chamber 31 of opening in the slide box 36, rotating fit is connected with slider 57 on the pivot 32, slider 57 be located in the slider chamber 31 and with slider chamber 31 sliding fit is connected, slider 36 rear end face fixedly connected with backward extends and runs through connecting block chamber 30 to the connection in the lift chamber 24 The rear end face of the connecting block 37 is fixedly connected with the front end face of the lifting box 43; the upper side first driven shaft 45 rotates to drive the chain 35 to rotate through the upper side chain wheel 33, so that the rotating shaft 32 is driven to rotate, the sliding box 36 is driven by the sliding block 57 to reciprocate up and down along the chain wheel cavity 34, the lifting box 43 is driven by the connecting block 37 to reciprocate up and down, and automatic back wiping is realized.

In addition, in one embodiment, the friction wheel cavity 15 includes a second driven shaft 18, the second driven shaft 18 is in rotational fit connection with the front end wall of the friction wheel cavity 15 and extends backwards into the friction wheel cavity 15, the right second driven shaft 18 extends forwards into the meshing cavity 44, a transmission belt 16 located in the friction wheel cavity 15 is in power fit connection between the second driven shafts 18, a friction wheel 17 fixedly connected with the rear end of the second driven shaft 18 is further arranged in the friction wheel cavity 15, the left friction wheel 17 is partially located in the towel preparation cavity 19, the right friction wheel 17 is partially located in the towel storage cavity 12, and a sensor 14 located right above the right friction wheel 17 is fixedly connected to the upper end wall of the friction wheel cavity 15; the sensor 14 can detect the rotation of the right friction wheel 17, and when the right friction wheel 17 rotates once, a signal is sent, the right second driven shaft 18 rotates to drive the left second driven shaft 18 to rotate through the transmission belt 16, and the second driven shaft 18 rotates to drive the friction wheel 17 to rotate, so that the wiping towel in the towel storage cavity 12 is driven to the left through the towel preparation cavity 19 and the communication cavity 20 to the inside of the lifting box 43.

In addition, in one embodiment, the meshing cavity 44 includes a first transmission gear 46, the first transmission gear 46 is located in the meshing cavity 44 and fixedly connected to the front end of the first driven shaft 45 at the upper side, a motor 50 fixedly connected to the main body box 10 and located between the first driven shaft 45 at the upper side and the second driven shaft 18 at the right side is arranged in the front end wall of the meshing cavity 44, a third driven shaft 51 extending backwards into the meshing cavity 44 is fixedly connected to the rear end surface of the motor 50, a fourth driven shaft 54 connected with the third driven shaft 51 in a spline fit manner is arranged in the meshing cavity 44, a spline cavity 48 with a forward opening is arranged in the fourth driven shaft 54, a second compression spring 52 is fixedly connected between the rear end surface of the third driven shaft 51 and the bottom wall of the spline cavity 48, and a second transmission gear 49 capable of meshing with the first transmission gear 46 is fixedly connected to the fourth driven shaft 54, a third magnet 55 is connected to the rear end of the fourth driven shaft 54 in a rotating fit manner, a fourth driven shaft 54 corresponding to the third magnet 55 is fixedly connected to the rear end wall of the meshing cavity 44, a pull rope 38 is fixedly connected between the rear end surface of the third magnet 55 and the front end surface of the first magnet 40, a third transmission gear 47 fixedly connected with the front end of the right second driven shaft 18 is further arranged in the meshing cavity 44, and the third transmission gear 47 can be meshed with the sliding magnet cavity 39 and is located on the rear side of the first transmission gear 46; when the sensor 14 sends a signal, the electromagnet 53 is activated, when the electromagnet 53 is activated, the electromagnet 53 magnetically repels the third magnet 55, and the repulsion force is greater than the pushing force of the second compression spring 52 and the pulling force of the first extension spring 41, the motor 50 is activated to drive the fourth driven shaft 54 to rotate through the third driven shaft 51, so as to drive the second transmission gear 49 to rotate, when the electromagnet 53 is deactivated, the sliding magnet cavity 39 is engaged with the third transmission gear 47, the second transmission gear 49 rotates to drive the third transmission gear 47 to rotate, so as to drive the second driven shaft 18 on the right side to rotate, when the electromagnet 53 is activated, the third magnet 55 overcomes the pushing force of the second compression spring 52 to move forward under the repulsion force between the electromagnet 53 and the third magnet 55, so as to drive the fourth driven shaft 54 and the second transmission gear 49 to move forward, the third magnet 55 moves forward to drive the first magnet 40 to move forward against the pulling force of the first extension spring 41 through the pulling rope 38 until the first magnet 40 corresponds to the magnetic through cavity 42, and the second transmission gear 49 moves forward to be meshed with the first transmission gear 46, so that the second transmission gear 49 rotates to drive the first transmission gear 46 to rotate, and the upper first driven shaft 45 is driven to rotate.

The applicant will now specifically describe an automatically changing bathroom back-rubbing device of the present application with reference to the accompanying figures 1-4 and the above description:

in an initial state, the upper end surface of the lifting box 43 is abutted against the upper end wall of the lifting cavity 24, the pull rope 38 is in a tightened state, the first extension spring 41 is in a loosened state, the first magnet 40 is positioned at the rear side of the magnetic through cavity 42, the second extension spring 21 is in a loosened state, the wiping block 27 is completely positioned in the towel fixing cavity 56, the wiping towel is arranged on the upper side of the towel push plate 13, the first compression spring 11 is in a compressed state, the right friction wheel 17 is abutted against the wiping towel at the top end in the towel storage cavity 12, the left friction wheel 17 is abutted against the wiping towel in the towel preparation cavity 19, the second compression spring 52 is in a loosened state, and the second transmission gear 49 is meshed with the third transmission gear 47;

when the automatic fixing device starts to work, the motor 50 is started to drive the friction wheel 17 to rotate, the left friction wheel 17 rotates to bring the wiping towel in the towel preparation cavity 19 into the towel fixing cavity 56, the right friction wheel 17 rotates to bring the wiping towel in the towel storage cavity 12 into the towel preparation cavity 19, when the friction wheel 17 rotates for one circle, the wiping towel in the towel preparation cavity 19 just separates from the left friction wheel 17, the sensor 14 detects that the right friction wheel 17 rotates for one circle to send a signal to turn on the electromagnet 53, the electromagnet 53 starts to drive the wiping block 27 to move leftwards, simultaneously the second transmission gear 49 moves forwards, the wiping block 27 moves leftwards to drive the wiping towel in the towel fixing cavity 56 to move leftwards until the left end surface of the clamping plate 28 and the left end wall of the towel fixing cavity 56 clamp the wiping towel in the towel fixing cavity 56, so as to complete the automatic fixing of the wiping towel, the second transmission gear 49 moves forwards until the second transmission gear 49 is meshed, thereby driving the lifting box 43 to do up-and-down reciprocating motion through the motor 50, and realizing automatic back rubbing;

after bathing is finished, the motor 50 and the electromagnet 53 are turned off, the first magnet 40 loses the pulling force of the pulling rope 38 and then returns to the initial position under the pulling force of the first stretching spring 41, so that the wiping block 27 and the clamping plate 28 move rightwards to the initial position under the pulling force of the second stretching spring 21, the wiping towel in the towel fixing cavity 56 loses the clamping effect of the clamping plate 28 and then falls through the lower towel through cavity 23 and the recovery through cavity 25 to the towel recovery cavity 26 under the self-weight effect, and therefore the recovery of the wiping towel after use is finished.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a bathroom of cloth is with wiping back device can be traded automatically, includes the main part case, its characterized in that: a lifting cavity with a leftward opening is arranged in the main body box, the lifting cavity is connected with a lifting box in a sliding fit manner, the lower side of the lifting cavity is communicated with a recovery cavity, the lower side of the recovery cavity is communicated with a towel recovery cavity, the front side of the lifting cavity is communicated with a connecting block cavity, the front side of the communicating cavity is communicated with a sprocket cavity, the front side of the sprocket cavity is provided with a meshing cavity, the right side of the lifting cavity is communicated with a sliding magnet cavity, the sliding magnet cavity is connected with a first magnet in a sliding fit manner, a first tension spring is fixedly connected between the rear end face of the first magnet and the rear end wall of the sliding magnet cavity, the upper side of the lifting cavity is communicated with a communicating cavity, the upper side of the communicating cavity is communicated with a towel preparation cavity, the upper side of the towel preparation cavity is communicated with a friction wheel cavity, and the right side of the towel preparation cavity, the towel storing cavity is connected with a towel push plate in a sliding fit mode, and a first compression spring is fixedly connected between the lower end face of the towel push plate and the lower end wall of the towel storing cavity.

2. The back-rubbing device for bathroom with automatic cloth-changing function as claimed in claim 1, wherein: the lift case includes the fixed chamber of towel, the fixed chamber of towel is located the lift incasement, the fixed chamber left side intercommunication of towel is equipped with the logical chamber of the piece of wiping of open-ended left side, the fixed chamber right side intercommunication of towel be equipped with right opening and with the magnetism that slip magnet chamber corresponds leads to the chamber, the fixed intracavity sliding fit of towel is connected with the clamp plate, clamp plate left end face fixedly connected with wipe the piece that leads to the chamber and correspond, clamp plate right-hand member face fixedly connected with magnetism leads to the second magnet that the chamber corresponds, clamp plate right-hand member face with symmetry fixedly connected with second extension spring about between the fixed chamber right-hand member wall of towel, bilateral symmetry intercommunication is equipped with the outside towel of opening and leads to the chamber about the fixed chamber of towel.

3. The back-rubbing device for bathroom with automatic cloth-changing function as claimed in claim 1, wherein: the chain wheel cavity comprises a first driven shaft which is connected with the front end wall of the chain wheel cavity in a vertically symmetrical manner in a rotating fit manner and extends backwards into the chain wheel cavity, the first driven shaft on the upper side extends forwards into the meshing cavity, a chain wheel fixedly connected with the tail end of the front side of the first driven shaft is arranged in the chain wheel cavity, a chain is connected between the chain wheels in a power fit manner, the rear end face of the chain is fixedly connected with a rotating shaft, the chain wheel cavity is connected with a sliding box positioned at the rear side of the chain wheel in a sliding fit manner, a slide block cavity with a forward opening is arranged in the sliding box, a slide block is connected on the rotating shaft in a rotating fit manner, the slider is located the slider intracavity and with slider chamber sliding fit connects, the sliding box rear end face fixedly connected with backward extension runs through the connecting block chamber extremely connecting block in the lift intracavity, the connecting block rear end face with terminal surface fixed connection before the cage.

4. The back-rubbing device for bathroom with automatic cloth-changing function as claimed in claim 1, wherein: the utility model discloses a friction wheel, including the friction wheel chamber, the friction wheel chamber includes the second driven shaft, second driven shaft effect symmetry with friction wheel chamber front end wall normal running fit connects and extends to backward the friction wheel intracavity, the right side the second driven shaft extends to forward the meshing intracavity, power fit is connected with between the second driven shaft and is located the drive belt of friction wheel intracavity, the friction wheel intracavity still be equipped with the terminal fixed connection's of second driven shaft rear side friction wheel, left side friction wheel part is located the intracavity is prepared to the towel, right side friction wheel part is located the intracavity is stored to the towel, friction wheel chamber upper end wall fixedly connected with is located the right side the sensor directly over the friction wheel.

5. The back-rubbing device for bathroom with automatic cloth-changing function as claimed in claim 1, wherein: the meshing cavity comprises a first transmission gear, the first transmission gear is positioned in the meshing cavity and fixedly connected with the front end of the first driven shaft at the upper side, a motor fixedly connected with the main body box and positioned between the first driven shaft at the upper side and the second driven shaft at the right side is arranged in the front end wall of the meshing cavity, the rear end surface of the motor is fixedly connected with a third driven shaft extending backwards into the meshing cavity, a fourth driven shaft in spline fit connection with the third driven shaft is arranged in the meshing cavity, a spline cavity with a forward opening is arranged in the fourth driven shaft, a second compression spring is fixedly connected between the rear end surface of the third driven shaft and the bottom wall of the spline cavity, a second transmission gear capable of being meshed with the first transmission gear is fixedly connected onto the fourth driven shaft, and a third magnet is rotatably and fittingly connected with the rear end of the fourth driven shaft, the rear end wall of the meshing cavity is fixedly connected with a fourth driven shaft corresponding to the third magnet, a pull rope is fixedly connected between the rear end face of the third magnet and the front end face of the first magnet, a third transmission gear fixedly connected with the tail end of the front side of the second driven shaft is further arranged in the meshing cavity, and the third transmission gear can be meshed with the sliding magnet cavity and is located on the rear side of the first transmission gear.