CN214367550U

CN214367550U - Speed changing device of washing-free shower cap machine

Info

Publication number: CN214367550U
Application number: CN202120143170.0U
Authority: CN
Inventors: 齐西子
Original assignee: Tianjin Haiao Technology Co ltd
Current assignee: Tianjin Haiao Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-10-08
Anticipated expiration: 2031-01-19

Abstract

The utility model provides a flushing-free shower cap machine speed changing device, belonging to the technical field of shower cap machines. The speed change device of the no-rinse shower cap machine comprises an output mechanism and an input mechanism. The output mechanism comprises a shell assembly, a constant speed assembly, a meshing assembly, a round rod, a first belt pulley, a belt body and a gear rod. The utility model discloses a motor, the driving lever, first driving gear, the second driving gear, the third driving gear, third driven gear, the driven lever, the gear pole, the internal gear, the ring, the external gear, output gear, the output pole, the pneumatic cylinder, the layer board, first driven gear and second driven gear's effect, thereby the purpose of the speed governing of being convenient for has been reached, realize automatic speed governing through the machine during the speed governing, do not need to adopt manual change corresponding gear or sprocket group to make the pulling speed of traction roller group cut speed difference with the successor and accomplish, the manual work need not dismantle and assemble relevant spare part, the adjustment is simple during the change, time saving and labor saving.

Description

Speed changing device of washing-free shower cap machine

Technical Field

The utility model relates to a shower cap machine field particularly, relates to a washing-free shower cap machine speed change gear.

Background

The bath cap is usually a disposable article processed by film materials such as non-woven fabrics, PE and the like, the bath cap is usually processed and formed at one time by a bath cap machine, the process flow is that the edges of the two sides of a film coiled material are firstly folded and pressed into rubber bands in a heat sealing way, then the bath cap is longitudinally folded, drawn, transversely welded by ultrasonic waves and transversely folded and cut off, and then the bath cap is output into a strip-shaped bath cap by an output belt, in order to adapt to the wearing of people, the bath cap needs to be made into various specifications with different calibers, the bath cap is realized by adjusting and controlling the length of a split bath cap strip in the bath cap manufacturing process, the speed change device of the existing washing-free bath cap machine is inconvenient to regulate the speed, the speed regulation is usually completed by manually replacing corresponding gears or chain wheel sets to ensure that the drawing speed of a drawing roller set is different from the subsequent splitting speed, related parts need to be manually disassembled and assembled during the replacement, and the regulation is troublesome, it is time-consuming and labor-consuming.

Accordingly, those skilled in the art have provided a speed change device for a no-rinse bath cap machine to solve the above-mentioned problems of the background art.

SUMMERY OF THE UTILITY MODEL

In order to make up the defects, the utility model provides a speed change gear of a washing-free shower cap machine, aiming at improving the problem of inconvenient speed regulation.

The utility model discloses a realize like this:

the utility model provides a flushing-free shower cap machine speed change device, which comprises an output mechanism and an input mechanism.

The output mechanism comprises a shell assembly, a constant speed assembly, an engagement assembly, a round bar, a first belt pulley, a belt body and a gear bar, the shell assembly comprises a box body, the constant speed assembly is connected to the inner wall of the box body, the engagement assembly is connected to the constant speed assembly in an engaged manner, the gear bar is engaged and penetrated through the engagement assembly, the first belt pulley is installed on one side of the gear bar, the round bar is connected to the other side of the first belt pulley, the belt body is sleeved on the outer surface of the first belt pulley, the input mechanism comprises a motor, a driving assembly, a driven assembly, a hydraulic cylinder, a supporting plate and a second belt pulley, the motor is connected to one side of the box body, the driving assembly is installed on an output shaft of the motor, the driving assembly penetrates and extends into the box body, and the driven assembly is engaged and connected to the driving assembly, one end of the driven component is rotatably connected to one side of the supporting plate, the hydraulic cylinder is installed on the inner wall of the box body, the supporting plate is connected to an output shaft of the hydraulic cylinder, one end of the round rod is rotatably connected to one side of the supporting plate, the second belt pulley is installed on the outer surface of the driven component, and the second belt pulley is in transmission connection with the first belt pulley through the belt body.

The utility model discloses a washing-free shower cap machine speed change gear embodiment, the drive assembly includes drive lever, first driving gear, second driving gear and third driving gear, the drive lever connect in the output shaft of motor, first driving gear the second driving gear with the third driving gear from the top down install in proper order in the drive lever surface, first driving gear the second driving gear with the radius increases in proper order from the top down of third driving gear.

The utility model discloses an exempt from to wash shower cap machine speed change gear embodiment, driven subassembly includes driven lever, first driven gear, second driven gear and third driven gear, driven lever one end rotate connect in layer board one side, first driven gear second driven gear with third driven gear from the top down install in proper order in the driven lever surface, first driven gear second driven gear with third driven gear from the top down radius reduces in proper order, the second belt pulley install in the driven lever surface.

In the utility model of an embodiment of the speed changing device of the washing-free shower cap machine, the first driving gear is meshed with the first driven gear and connected, the second driving gear is meshed with the second driven gear and connected, and the third driving gear is meshed with the third driven gear and connected.

In the utility model of an embodiment of the flushing-free shower cap machine speed changing device, the driving rod one end is rotated connect in the box inner wall, the second through-hole has been seted up to box one side, the driven rod slide run through in the second through-hole.

The utility model discloses a washing-free shower cap machine speed change gear embodiment, the constant speed subassembly includes extension board, output rod and output gear, the extension board connect in the box inner wall, output rod one end rotate connect in extension board one side, output gear install in the output rod surface.

The utility model discloses a washing-free shower cap machine speed change gear embodiment, the meshing subassembly includes ring, external gear and internal gear, the external gear connect in the ring outside, the internal gear install in the ring is inboard, the external gear with the output gear meshing is connected, the internal gear with the gear pole meshing is connected.

In the embodiment of the speed changing device of the washing-free shower cap machine of the utility model, a fourth through hole is arranged on one side of the box body, and the output rod is in clearance fit with the fourth through hole.

In the embodiment of the speed changing device of the washing-free shower cap machine of the utility model, the inner wall of the box body is fixedly connected with a guide rail, a fifth through hole is arranged on the inner surface of the supporting plate, and the guide rail slides and runs through the fifth through hole.

The utility model discloses an in the washing-free shower cap machine speed change gear embodiment, first through-hole and third through-hole have been seted up respectively to the box both sides, the driving lever with first through-hole clearance fit, the gear pole can in third through-hole internal rotation.

The utility model has the advantages that: the utility model discloses an exempt from to wash shower cap machine speed change gear that above-mentioned design obtained, during the use, people open the motor, the motor can drive the initiative pole and rotate, the initiative pole can drive first driving gear, second driving gear and third driving gear rotate, the third driving gear can drive the driven lever through third driven gear and rotate, the driven lever can drive the second belt pulley and rotate, the second belt pulley can drive first belt pulley through the belt body and rotate, first belt pulley can drive the gear pole and rotate, the gear pole can drive the ring through the internal gear and rotate, the ring can drive output gear through the external gear and rotate, output gear can drive the output lever and rotate, the output lever realizes external output power, when people need the speed governing, only need control the pneumatic cylinder and stretch out and draw back, the pneumatic cylinder can drive the layer board and reciprocate, the layer board can drive the driven lever and reciprocate, the driven lever can drive first driven gear and rotate, the output lever can drive first driven gear, The second driven gear and the third driven gear move up and down to enable the first driven gear to be in contact with the first driving gear, the second driving gear to be in contact with the second driven gear or the third driving gear to be in contact with the third driven gear, different gear set contacts can form different transmission ratios, the gear rod moves up and down in the circular ring to enable the output rod to have different rotating speeds, and automatic speed regulation is achieved, so that the purpose of facilitating speed regulation is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a speed change device of a no-rinse bath cap machine according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an output mechanism provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a housing assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a constant speed assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an engaging assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an input mechanism according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an active component according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a driven assembly according to an embodiment of the present invention.

In the figure: 10-an output mechanism; 110-a housing assembly; 111-a box body; 112-a first via; 113-a second via; 114-a third via; 115-fourth via; 120-a constant velocity component; 121-support plate; 122-output rod; 123-output gear; 130-an engagement assembly; 131-a circular ring; 132-an external gear; 133-internal gear; 140-round bar; 150-a first pulley; 160-a belt body; 170-gear lever; 180-a guide rail; 20-an input mechanism; 210-a motor; 220-active components; 221-a driving rod; 222-a first drive gear; 223-a second drive gear; 224-a third drive gear; 230-a driven assembly; 231-a driven lever; 232-a first driven gear; 233-a second driven gear; 234-a third driven gear; 240-hydraulic cylinder; 250-a pallet; 260-a second pulley; 270-fifth via.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a speed-changing device for a washing-free bathing cap machine, which comprises an output mechanism 10 and an input mechanism 20.

The input mechanism 20 is fixedly connected in the output mechanism 10, and the input mechanism 20 is used for inputting one speed, outputting another speed through the output mechanism 10 after speed regulation, and outputting a plurality of speeds.

Referring to fig. 1, 2 and 3, the output mechanism 10 includes a housing assembly 110, a constant speed assembly 120, a meshing assembly 130, a circular rod 140, a first belt pulley 150, a belt body 160 and a gear rod 170, the housing assembly 110 includes a housing 111, the constant speed assembly 120 is connected to an inner wall of the housing 111, the meshing assembly 130 is meshed with the constant speed assembly 120, the gear rod 170 is meshed with and penetrates through the meshing assembly 130, the first belt pulley 150 is installed at one side of the gear rod 170, specifically, the first belt pulley 150 is fixedly installed at one side of the gear rod 170 by welding, the circular rod 140 is connected to the other side of the first belt pulley 150, specifically, the circular rod 140 is fixedly connected to the other side of the first belt pulley 150 by welding, and the belt body 160 is sleeved on an outer surface of the first belt pulley 150.

Referring to fig. 1, 2, 3, and 6, the input mechanism 20 includes a motor 210, a driving component 220, a driven component 230, a hydraulic cylinder 240, a supporting plate 250, and a second pulley 260, the motor 210 is connected to one side of the box 111, specifically, the motor 210 is fixedly connected to one side of the box 111 by screws, the driving component 220 is installed on an output shaft of the motor 210, the driving component 220 extends into the box 111 in a penetrating manner, the driven component 230 is engaged with the driving component 220, one end of the driven component 230 is rotatably connected to one side of the supporting plate 250, the hydraulic cylinder 240 is installed on an inner wall of the box 111, specifically, the hydraulic cylinder 240 is fixedly installed on an inner wall of the box 111 by screws, the supporting plate 250 is connected to an output shaft of the hydraulic cylinder 240, specifically, the supporting plate 250 is fixedly connected to an output shaft of the hydraulic cylinder 240 by welding, one end of the round rod 140 is rotatably connected to one side of the supporting plate 250, specifically, one end of the round rod 140 is rotatably connected to one side of the supporting plate 250 by a bearing, second belt pulley 260 installs in the 230 surface of driven subassembly, second belt pulley 260 passes through belt body 160 and is connected with the transmission of first belt pulley 150, motor 210 is used for fixed input speed, pneumatic cylinder 240 is used for driving layer board 250 and reciprocates, first belt pulley 150 is used for driving second belt pulley 260 through belt body 160 and rotates, second belt pulley 260 can drive gear pole 170 and round bar 140 and rotate, round bar 140 is used for improving the stability when gear pole 170 rotates.

In some specific embodiments, the inner wall of the box 111 is fixedly connected with the guide rail 180, specifically, the inner wall of the box 111 is fixedly connected with the guide rail 180 by welding, the inner surface of the supporting plate 250 is provided with a fifth through hole 270, the guide rail 180 slidably penetrates through the fifth through hole 270, and the guide rail 180 is used for improving the stability of the supporting plate 250 during up-and-down movement.

Referring to fig. 2, 6, 7, and 8, the driving assembly 220 includes a driving rod 221, a first driving gear 222, a second driving gear 223, and a third driving gear 224, the driving rod 221 is connected to an output shaft of the motor 210, specifically, the driving rod 221 is fixedly connected to the output shaft of the motor 210 by welding, the first driving gear 222, the second driving gear 223, and the third driving gear 224 are sequentially installed on an outer surface of the driving rod 221 from top to bottom, specifically, the first driving gear 222, the second driving gear 223, and the third driving gear 224 are fixedly installed on the outer surface of the driving rod 221 from top to bottom by welding, radii of the first driving gear 222, the second driving gear 223, and the third driving gear 224 are sequentially increased from top to bottom, the driven assembly 230 includes a driven rod 231, a first driven gear 232, a second driven gear 233, and a third driven gear 234, one end of the driven rod 231 is rotatably connected to one side of the supporting plate 250, specifically, one end of the driven rod 231 is rotatably connected to one side of the supporting plate 250 through a bearing, the first driven gear 232, the second driven gear 233 and the third driven gear 234 are sequentially installed on the outer surface of the driven rod 231 from top to bottom, specifically, the first driven gear 232, the second driven gear 233 and the third driven gear 234 are fixedly installed on the outer surface of the driven rod 231 from top to bottom through welding, the radii of the first driven gear 232, the second driven gear 233 and the third driven gear 234 are sequentially reduced from top to bottom, the second belt pulley 260 is installed on the outer surface of the driven rod 231, specifically, the second belt pulley 260 is fixedly installed on the outer surface of the driven rod 231 through welding, the driving rod 221 is used for driving the first driving gear 222, the second driving gear 223 and the third driving gear 224 to rotate, when the supporting plate 250 drives the first driven gear 232, the second driven gear 233 and the third driven gear 234 to move downwards through the driven rod 231, the third driven gear 234 is firstly engaged with the third driving gear 224, the supporting plate 250 continues to move downwards, when the third driven gear 234 is disengaged from the third driving gear 224, the second driven gear 233 is engaged with the second driving gear 223, and finally, when the second driven gear 233 is disengaged from the second driving gear 223, the third driven gear 234 is engaged with the first driving gear 222, so as to obtain different transmission ratios, and drive the driven rod 231 to rotate at different speeds, and the driven rod 231 outputs different speeds through the second belt pulley 260, the belt body 160 and the first belt pulley 150.

In some specific embodiments, the first driving gear 222 is engaged with the first driven gear 232, the second driving gear 223 is engaged with the second driven gear 233, the third driving gear 224 is engaged with the third driven gear 234, one end of the driving rod 221 is rotatably connected to the inner wall of the box 111, one side of the box 111 is provided with the second through hole 113, the driven rod 231 slidably penetrates through the second through hole 113, two sides of the box 111 are respectively provided with the first through hole 112 and the third through hole 114, the driving rod 221 is in clearance fit with the first through hole 112, and the gear rod 170 can rotate in the third through hole 114.

Referring to fig. 2, 3, 4 and 5, the constant speed assembly 120 includes a support plate 121, an output rod 122 and an output gear 123, the support plate 121 is connected to an inner wall of the case 111, specifically, the support plate 121 is fixedly connected to the inner wall of the case 111 by welding, one end of the output rod 122 is rotatably connected to one side of the support plate 121, specifically, one end of the output rod 122 is rotatably connected to one side of the support plate 121 by a bearing, the output gear 123 is installed on an outer surface of the output rod 122, specifically, the output gear 123 is fixedly installed on the outer surface of the output rod 122 by welding, the meshing assembly 130 includes a circular ring 131, an external gear 132 and an internal gear 133, the external gear 132 is connected to an outer side of the circular ring 131, specifically, the external gear 132 is fixedly connected to an outer side of the circular ring 131 by welding, the internal gear 133 is installed to an inner side of the circular ring 131 by welding, the external gear 132 is in meshing connection with the output gear 123, the internal gear 133 is engaged with the gear rod 170, the gear rod 170 drives the ring 131 to rotate through the internal gear 133, the ring 131 drives the output gear 123 to rotate through the external gear 132, the output gear 123 drives the output rod 122 to rotate for output, and the support plate 121 is used for improving the stability of the output rod 122 during rotation.

In some specific embodiments, a fourth through hole 115 is formed on one side of the box 111, and the output rod 122 is in clearance fit with the fourth through hole 115.

The working principle of the speed change device of the no-rinse bath cap machine is as follows: when the speed-regulating device is used, people turn on the motor 210, the motor 210 drives the driving rod 221 to rotate, the driving rod 221 drives the first driving gear 222, the second driving gear 223 and the third driving gear 224 to rotate, the third driving gear 224 drives the driven rod 231 to rotate through the third driven gear 234, the driven rod 231 drives the second belt pulley 260 to rotate, the second belt pulley 260 drives the first belt pulley 150 to rotate through the belt body 160, the first belt pulley 150 drives the gear rod 170 to rotate, the gear rod 170 drives the ring 131 to rotate through the inner gear 133, the ring 131 drives the output gear 123 to rotate through the outer gear 132, the output gear 123 drives the output rod 122 to rotate, the output rod 122 realizes external output power, when people need to regulate speed, only the hydraulic cylinder 240 needs to be controlled to stretch, the hydraulic cylinder 240 drives the supporting plate 250 to move up and down, the supporting plate 250 drives the driven rod 231 to move up and down, the driven rod 231 can drive the first driven gear 232, the second driven gear 233 and the third driven gear 234 to move up and down, so that the first driven gear 232 is in contact with the first driving gear 222, the second driving gear 223 is in contact with the second driven gear 233 or the third driving gear 224 is in contact with the third driven gear 234, different gear set contacts can form different transmission ratios, the gear rod 170 moves up and down in the circular ring 131, the output rod 122 has different rotating speeds and is automatically adjusted, the purpose of facilitating speed adjustment is achieved, automatic speed adjustment is achieved through a machine during speed adjustment, manual replacement of corresponding gears or chain wheel sets is not needed, the traction speed of the traction roller set is different from the subsequent cutting speed, manual disassembly and assembly of related parts are not needed, adjustment during replacement is simple, time and labor are saved.

It should be noted that the specific model specification of the motor 210 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the motor 210 and its principle will be clear to a person skilled in the art and will not be described in detail here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A speed change device of a washing-free shower cap machine is characterized by comprising

The output mechanism (10) comprises a shell assembly (110), a constant speed assembly (120), an engagement assembly (130), a round rod (140), a first belt pulley (150), a belt body (160) and a gear rod (170), wherein the shell assembly (110) comprises a box body (111), the constant speed assembly (120) is connected to the inner wall of the box body (111), the engagement assembly (130) is connected to the constant speed assembly (120) in an engagement mode, the gear rod (170) is engaged and penetrates through the engagement assembly (130), the first belt pulley (150) is installed on one side of the gear rod (170), the round rod (140) is connected to the other side of the first belt pulley (150), and the belt body (160) is sleeved on the outer surface of the first belt pulley (150);

the input mechanism (20), the input mechanism (20) includes a motor (210), a driving component (220), a driven component (230), a hydraulic cylinder (240), a supporting plate (250) and a second belt pulley (260), the motor (210) is connected to one side of the box body (111), the driving component (220) is installed on an output shaft of the motor (210), the driving component (220) extends into the box body (111) in a penetrating manner, the driven component (230) is connected to the driving component (220) in a meshing manner, one end of the driven component (230) is rotatably connected to one side of the supporting plate (250), the hydraulic cylinder (240) is installed on the inner wall of the box body (111), the supporting plate (250) is connected to the output shaft of the hydraulic cylinder (240), one end of the round rod (140) is rotatably connected to one side of the supporting plate (250), and the second belt pulley (260) is installed on the outer surface of the driven component (230), the second belt pulley (260) is in transmission connection with the first belt pulley (150) through the belt body (160).

2. The speed change device of a no-flush shower cap machine as claimed in claim 1, wherein said driving assembly (220) comprises a driving rod (221), a first driving gear (222), a second driving gear (223) and a third driving gear (224), said driving rod (221) is connected to an output shaft of said motor (210), said first driving gear (222), said second driving gear (223) and said third driving gear (224) are sequentially installed on an outer surface of said driving rod (221) from top to bottom, and radii of said first driving gear (222), said second driving gear (223) and said third driving gear (224) are sequentially increased from top to bottom.

3. A speed-changing device for a no-rinse shower cap machine as claimed in claim 2, wherein said driven assembly (230) comprises a driven rod (231), a first driven gear (232), a second driven gear (233) and a third driven gear (234), one end of said driven rod (231) is rotatably connected to one side of said supporting plate (250), said first driven gear (232), said second driven gear (233) and said third driven gear (234) are sequentially mounted on an outer surface of said driven rod (231) from top to bottom, radii of said first driven gear (232), said second driven gear (233) and said third driven gear (234) are sequentially reduced from top to bottom, and said second pulley (260) is mounted on an outer surface of said driven rod (231).

4. A speed change gear of a no-flush shower cap machine as claimed in claim 3, wherein said first driving gear (222) is engaged with said first driven gear (232), said second driving gear (223) is engaged with said second driven gear (233), and said third driving gear (224) is engaged with said third driven gear (234).

5. The speed change device of a no-rinse bath cap machine as claimed in claim 4, wherein one end of the driving rod (221) is rotatably connected to the inner wall of the box body (111), a second through hole (113) is formed at one side of the box body (111), and the driven rod (231) slidably penetrates through the second through hole (113).

6. A speed-changing device for a no-flush shower cap machine as claimed in claim 1, wherein said constant speed assembly (120) comprises a support plate (121), an output rod (122) and an output gear (123), said support plate (121) is connected to the inner wall of said box body (111), one end of said output rod (122) is rotatably connected to one side of said support plate (121), and said output gear (123) is mounted on the outer surface of said output rod (122).

7. A washing-free shower cap machine speed-changing device according to claim 6, characterized in that the meshing assembly (130) comprises a circular ring (131), an external gear (132) and an internal gear (133), the external gear (132) is connected to the outer side of the circular ring (131), the internal gear (133) is installed on the inner side of the circular ring (131), the external gear (132) is meshed with the output gear (123), and the internal gear (133) is meshed with the gear rod (170).

8. The speed change device of a no-rinse bath cap machine as claimed in claim 7, wherein a fourth through hole (115) is opened at one side of the box body (111), and the output rod (122) is in clearance fit with the fourth through hole (115).

9. The speed change device of a no-rinse bath cap machine according to claim 1, characterized in that a guide rail (180) is fixedly connected to the inner wall of the box body (111), a fifth through hole (270) is formed in the inner surface of the supporting plate (250), and the guide rail (180) is slidably inserted through the fifth through hole (270).

10. The speed change device of a no-rinse bath cap machine as claimed in claim 2, wherein two sides of the box body (111) are respectively provided with a first through hole (112) and a third through hole (114), the active rod (221) is in clearance fit with the first through hole (112), and the gear rod (170) can rotate in the third through hole (114).