Washing machine clutch device

Abstract

The utility model discloses a washing machine clutch device, and particularly relates to the technical field of washing machine driving, the washing machine clutch device comprises a supporting assembly, the supporting assembly comprises a box body, the upper end and the lower end of the box body are respectively provided with a first sliding groove, the front end of the box body is provided with two second sliding grooves, and the middle of the front end of the box body is fixedly connected with two electric push rods. A transmission assembly is arranged on the upper side of the box body, a clutch assembly is rotationally connected to the inner surface of the box body, and limiting assemblies are fixedly connected to the top wall and the bottom wall of the inner surface of the box body. According to the clutch device of the washing machine, by arranging the clutch assembly and controlling contact and separation of the two friction wheels, function conversion of the washing machine is achieved, stable operation of the washing machine in different working modes can be guaranteed, the stability of the second rotating shaft in the specific position can be guaranteed by arranging the limiting assembly, and the washing machine is more convenient to use. The two friction wheels are kept in an engaged state to maintain normal operation of the device, and displacement caused by vibration or external force is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to washing machine drive technical field, especially a washing machine clutch device. BACKGROUND

[0002] The washing machine clutch device is an important component in the washing machine, mainly responsible for controlling the conversion of the two functions of washing and dewatering, generally connecting the washing tub and the motor through the clutch, so that the washing tub can rotate under the drive of the motor, thereby completing the washing process, the clutch is usually composed of a clutch shell, a clutch inner sleeve, a clutch spring, a clutch bearing and a clutch gear, the clutch shell is fixed on the washing machine base, and the clutch inner sleeve is connected with the washing tub, when the motor starts, the clutch gear drives the clutch inner sleeve to rotate, thereby driving the washing tub to rotate.

[0003] Chinese patent publication No. CN209669536U discloses a washing machine clutch, which has the advantages that by setting an auxiliary brake mechanism between the brake belt, the brake wheel and the dewatering shaft, the brake wheel is released, so that the dewatering shaft can rotate reversely with the driving shaft through a primary planetary gear transmission structure composed of the brake wheel, the internal gear and the planetary gear, and can adopt a primary planetary gear transmission system composed of the planetary carrier and the planetary gear to connect the washing shaft and the driving shaft, so that under the condition of increased load, the speed reduction of the washing shaft is relatively slow, and better washing effect is achieved; the auxiliary brake mechanism includes an auxiliary brake wheel and a linkage structure, the linkage structure and the auxiliary brake wheel are connected in a counter-rotating manner during dewatering and braking, the operation is relatively stable, and the separation of the linkage structure and the auxiliary brake wheel is also relatively convenient.

[0004] Although the device in the above document can play a function conversion role in the operation process of the washing machine, the structure is complex, the friction and wear between the various components will be more frequent and intense, resulting in an increased failure rate, because more components mean more potential failure points, more materials and components are also needed to constitute, increasing the manufacturing cost. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a washing machine clutch device, which can effectively solve the problems of complex structure and high failure rate of the clutch device.

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0007] A washing machine clutch device, including a support assembly, the support assembly includes a box, the box upper end and lower end are provided with a groove one, the box front end is provided with two grooves two, the box front end middle part is fixedly connected with two electric push rods, the box lower end rear side is fixedly connected with a support, the support lower side is fixedly connected with a motor, the box upper side is equipped with a transmission assembly, the box inner surface is rotatably connected with a clutch assembly, the box inner surface top wall and inner surface bottom wall are fixedly connected with a limiting assembly.

[0008] Preferably, the transmission assembly includes a belt pulley one provided on the upper side of the box, the belt pulley one left side is provided with a belt pulley two, the box upper end middle part is fixedly connected with a guide rail, the guide rail upper side is slidably connected with a sliding block, the sliding block upper end is rotatably connected with a tension pulley, the belt pulley one, the belt pulley two and the tension pulley outer surface are collectively wound with a transmission belt, the guide rail and the sliding block one end close to each other are fixedly connected with a spring one.

[0009] Preferably, the clutch assembly includes a rotating shaft one rotatably connected to the rear side of the inner surface of the box, the rotating shaft one outer surface middle part is fixedly connected with a friction pulley one, the clutch assembly further includes a rotating shaft two, the rotating shaft two is slidably connected in two grooves one, the rotating shaft two outer surface middle part is fixedly connected with a friction pulley two, the friction pulley two and the friction pulley one are meshed with each other, the rotating shaft two outer surface middle part is fixedly connected with a sliding frame one, the sliding frame one one end away from the friction pulley two is fixedly connected with a spring two, the spring two is fixedly connected with the front side wall of the inner surface of the box, the rotating shaft two outer surface upper side and lower side are fixedly connected with a sliding frame two, the sliding frame two is slidably connected in two grooves two.

[0010] Preferably, the limiting assembly includes a fixed plate fixedly connected to the inner surface of the box, the fixed plate is provided on the rear side of the groove one, the fixed plate front side is rotatably connected with two symmetrically arranged arc-shaped plates, two arc-shaped plates are rotatably connected, two arc-shaped plates one side away from each other are fixedly connected with a support plate, two support plates are fixedly connected with a spring three together with the fixed plate.

[0011] Preferably, the lower end of the rotating shaft two penetrates the box and is fixedly connected with the motor through a shaft coupling.

[0012] Preferably, the output end of two electric push rods is fixedly connected with one end of the sliding frame two close to each other.

[0013] Preferably, the upper end of the rotating shaft two penetrates one of the grooves one close to each other and is fixedly connected with the lower end of the belt pulley one.

[0014] Preferably, the rotating shaft two is rotatably connected in two arc-shaped plates.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1、 the utility model discloses a set up clutch subassembly, through the contact of two friction wheels and away from, to realize the function conversion of washing machine, this switching mode is flexible and convenient, can ensure the stable operation of washing machine under different working mode, and compact structure makes maintenance more convenient, and the modular design of clutch subassembly also makes replacement and maintenance more simple and fast.

[0017] 2、 the utility model discloses set up limiting component, can ensure the stability of pivot two on specific position, make two friction wheels keep the meshing state to maintain the normal operation of device, prevent the displacement caused by vibration or external force, avoid the washing effect not good or machine failure caused by the slippage or misplacement of friction wheel, when needing to separate two friction wheels, can pull out pivot two from limiting component, complete the conversion of function fast. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is local section structure schematic diagram of the utility model;

[0020] Figure 3 It is local section structure schematic diagram of the support subassembly of the utility model;

[0021] Figure 4 It is transmission assembly structure schematic diagram of the utility model;

[0022] Figure 5 It is clutch subassembly structure schematic diagram of the utility model;

[0023] Figure 6 It is limiting component structure schematic diagram of the utility model.

[0024] In the drawing: 1, support subassembly;11, box;12, sliding groove one;13, sliding groove two;14, electric push rod;15, support;16, motor;2, transmission assembly;21, pulley one;22, pulley two;23, guide rail;24, sliding block;25, tension pulley;26, transmission belt;27, spring one;3, clutch subassembly;31, pivot one;32, friction wheel one;33, pivot two;34, friction wheel two;35, sliding frame one;36, spring two;37, sliding frame two;4, limiting component;41, fixed plate;42, arc plate;43, support plate;44, spring three. DETAILED DESCRIPTION

[0025] In order to make the technical means, creation characteristics, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0026] As shown in Figures 1-3 A washing machine clutch device, including support assembly 1, support assembly 1 includes box 11, the upper end and the lower end of box 11 are both provided with chute one 12, two chute two 13 are set up in the front end of box 11, two electric push rods 14 are fixedly connected in the middle of the front end of box 11, support 15 is fixedly connected to the lower end rear side of box 11, motor 16 is fixedly connected to the lower side of support 15, transmission assembly 2 is arranged on the upper side of box 11, clutch assembly 3 is rotatably connected to the inner surface of box 11, limit assembly 4 is fixedly connected to the inner surface top wall and the inner surface bottom wall of box 11.

[0027] As shown in Figure 4 Transmission assembly 2 includes pulley one 21 arranged on the upper side of box 11, pulley two 22 is arranged on the left side of pulley one 21, guide rail 23 is fixedly connected to the middle of the upper end of box 11, sliding block 24 is slidably connected to the upper side of guide rail 23, tension pulley 25 is rotatably connected to the upper end of sliding block 24, transmission belt 26 is wound around the outer surfaces of pulley one 21, pulley two 22 and tension pulley 25, one end of guide rail 23 and sliding block 24 close to each other is fixedly connected with spring one 27.

[0028] As shown in Figure 5 Clutch assembly 3 includes rotating shaft one 31 rotatably connected to the rear side of the inner surface of box 11, rotating shaft one 31 penetrates through box 11 and is fixedly connected with motor 16 through a shaft coupling;

[0029] Rotating shaft one 31 is fixedly connected with friction pulley one 32 in the middle of the outer surface, clutch assembly 3 further includes rotating shaft two 33, rotating shaft two 33 is slidably connected in two chutes one 12, rotating shaft two 33 penetrates through one of the chutes one 12 close to each other and is fixedly connected with the lower end of pulley one 21;

[0030] Rotating shaft two 33 is fixedly connected with friction pulley two 34 in the middle of the outer surface, friction pulley two 34 and friction pulley one 32 are meshed with each other, sliding frame one 35 is fixedly connected to one end of sliding frame one 35 away from friction pulley two 34, spring two 36 is fixedly connected with the front side wall of the inner surface of box 11, rotating shaft two 33 is fixedly connected with sliding frame two 37 on the upper side and the lower side of the outer surface, sliding frame two 37 is slidably connected in two chutes two 13;

[0031] The output ends of two electric push rods 14 are fixedly connected to one end of sliding frame two 37 close to each other.

[0032] In the actual use of the device, the pulley two 22 is fixedly connected to the base of the washing machine, the upper side of the pulley two 22 is fixedly connected to the inner drum of the washing machine, in the natural state, the rotating shaft two 33 is rotatably connected in the two arc-shaped plates 42, the friction wheel one 32 is engaged with the friction wheel two 34, the rotating shaft one 31 and the friction wheel one 32 are driven to rotate by the motor 16, the friction wheel one 32 drives the friction wheel two 34 and the rotating shaft two 33 to rotate, thereby driving the pulley one 21, the pulley two 22 and the tension pulley 25 to rotate, the pulley two 22 can drive the inner drum of the washing machine to rotate, and the clothes are washed.

[0033] As shown in Figure 6 The limiting assembly 4 includes a fixed plate 41 fixedly connected to the inner surface of the box body 11, the fixed plate 41 is arranged at the rear side of the sliding groove one 12, the front side of the fixed plate 41 is rotatably connected with two symmetrically arranged arc-shaped plates 42, the two arc-shaped plates 42 are rotatably connected, the side away from each other of the two arc-shaped plates 42 is fixedly connected with a support plate 43, the two support plates 43 are fixedly connected with a spring three 44 together with the fixed plate 41, and the rotating shaft two 33 is rotatably connected in the two arc-shaped plates 42.

[0034] When the rotating shaft two 33 is pulled out of the two arc-shaped plates 42, the outward thrust of the rotating shaft two 33 drives the two arc-shaped plates 42 to rotate, the opening at the front side of the two arc-shaped plates 42 becomes larger, so that the rotating shaft two 33 can be separated from the arc-shaped plates 42; when it is needed to fix and limit the rotating shaft two 33, the rotating shaft two 33 presses the two arc-shaped plates 42, so that the arc-shaped plates 42 rotate, the opening at the front side of the two arc-shaped plates 42 becomes larger, so that the rotating shaft two 33 enters the arc-shaped plates 42, under the thrust of the spring three 44, the two arc-shaped plates 42 are driven to rotate again, and the rotating shaft two 33 is clamped and fixed.

[0035] In the actual use of the device, when the washing machine needs to switch modes, the sliding frame two 37 is moved away from the friction wheel one 32 by the electric push rod 14, the sliding frame two 37 drives the rotating shaft two 33 to slide in the sliding groove one 12, the rotating shaft two 33 drives the friction wheel two 34 to move, under the pulling force of the sliding frame two 37, the rotating shaft two 33 drives the arc-shaped plates 42 to rotate, so that the friction wheel two 34 is moved out of the arc-shaped plates 42 and away from the friction wheel one 32, the rotating shaft two 33, the pulley two 22 and other structures no longer rotate, the inner drum of the washing machine also stops rotating, and the function switching is completed.

[0036] When the rotating shaft two 33 slides in the sliding groove one 12, the pulley one 21 is also driven to move, when the pulley one 21 moves away from the pulley two 22 and the tension pulley 25, under the action of the transmission belt 26, the tension pulley 25 and the sliding block 24 are driven to slide on the guide rail 23, the elastic force of the spring one 27 can flexibly adjust the position of the tension pulley 25, so as to maintain the tension of the transmission belt 26, and the pulley one 21, the pulley two 22 and the tension pulley 25 can normally operate.

[0037] It needs to be specially pointed out that the specific installation mode of the electric push rod 14 and the motor 16 and the connection mode and control method of the circuit all belong to the conventional design, and the utility model will not be described in detail.

[0038] The working principle of the utility model is that first, the pulley two 22 is fixedly connected on the base of the washing machine, the upper side of the pulley two 22 is fixedly connected with the inner cylinder of the washing machine, in the natural state, the rotating shaft two 33 is rotatably connected in the two arc-shaped plates 42, the friction wheel one 32 and the friction wheel two 34 are mutually engaged, the rotating shaft one 31 and the friction wheel one 32 are driven to rotate by the motor 16, the friction wheel one 32 drives the friction wheel two 34 and the rotating shaft two 33 to rotate, thereby driving the pulley one 21, the pulley two 22 and the tension pulley 25 to rotate, the pulley two 22 can drive the inner cylinder of the washing machine to rotate, and clothes are washed;

[0039] When the washing machine needs to convert the mode, the electric push rod 14 pushes the sliding frame two 37 to move away from the friction wheel one 32, the sliding frame two 37 drives the rotating shaft two 33 to slide in the sliding groove one 12, the rotating shaft two 33 drives the friction wheel two 34 to move, under the pulling force of the sliding frame two 37, the rotating shaft two 33 drives the arc-shaped plate 42 to rotate, thereby moving the friction wheel two 34 out of the arc-shaped plate 42 and away from the friction wheel one 32, the rotating shaft two 33, the pulley two 22 and other structures no longer rotate, and the inner cylinder of the washing machine also stops rotating, and the conversion of the function is completed;

[0040] When the rotating shaft two 33 slides in the sliding groove one 12, the pulley one 21 is also driven to move, when the pulley one 21 moves away from the pulley two 22 and the tension pulley 25, under the action of the transmission belt 26, the tension pulley 25 and the sliding block 24 are pushed to slide on the guide rail 23, and under the elastic force of the spring one 27, the position of the tension pulley 25 can be flexibly adjusted to maintain the tension of the transmission belt 26, so that the pulley one 21, the pulley two 22 and the tension pulley 25 can normally operate.

[0041] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A washing machine clutch device, comprising a support assembly (1), characterized in that: The support assembly (1) includes a housing (11), with a sliding groove (12) at both the upper and lower ends of the housing (11), two sliding grooves (13) at the front end of the housing (11), two electric push rods (14) fixedly connected to the middle of the front end of the housing (11), a bracket (15) fixedly connected to the rear side of the lower end of the housing (11), a motor (16) fixedly connected to the lower side of the bracket (15), a transmission assembly (2) provided on the upper side of the housing (11), a clutch assembly (3) rotatably connected to the inner surface of the housing (11), and a limit assembly (4) fixedly connected to the top wall and bottom wall of the inner surface of the housing (11).

2. The washing machine clutch device according to claim 1, characterized in that: The transmission assembly (2) includes a pulley 1 (21) located on the upper side of the housing (11), a pulley 2 (22) located on the left side of the pulley 1 (21), a guide rail (23) fixedly connected to the middle of the upper end of the housing (11), a slider (24) slidably connected to the upper side of the guide rail (23), a tension wheel (25) rotatably connected to the upper end of the slider (24), a transmission belt (26) is wound around the outer surfaces of the pulley 1 (21), the pulley 2 (22) and the tension wheel (25), and a spring 1 (27) fixedly connected to the end of the guide rail (23) and the slider (24) that are close to each other.

3. A washing machine clutch device according to claim 2, characterized in that: The clutch assembly (3) includes a rotating shaft (31) rotatably connected to the rear side of the inner surface of the housing (11). A friction wheel (32) is fixedly connected to the middle of the outer surface of the rotating shaft (31). The clutch assembly (3) also includes a rotating shaft (33), which is slidably connected in two sliding grooves (12). A friction wheel (34) is fixedly connected to the middle of the outer surface of the rotating shaft (33). The friction wheel (34) and the friction wheel (32) are connected to each other. The two rotating shafts (33) are meshed with each other. A sliding frame (35) is fixedly connected to the middle of the outer surface of the rotating shaft (33). A spring (36) is fixedly connected to the end of the sliding frame (35) away from the friction wheel (34). The spring (36) is fixedly connected to the front side wall of the inner surface of the box (11). A sliding frame (37) is fixedly connected to the upper and lower sides of the outer surface of the rotating shaft (33). The sliding frame (37) is slidably connected in the two sliding grooves (13).

4. A washing machine clutch device according to claim 3, characterized in that: The limiting component (4) includes a fixing plate (41) fixedly connected to the inner surface of the housing (11). The fixing plate (41) is located on the rear side of the slide groove (12). The front side of the fixing plate (41) is rotatably connected to two symmetrically arranged arc plates (42). The two arc plates (42) are rotatably connected. The side of the two arc plates (42) that are far apart from each other is fixedly connected to a support plate (43). The two support plates (43) are fixedly connected to the fixing plate (41) together with a spring three (44).

5. A washing machine clutch device according to claim 3, characterized in that: The lower end of the rotating shaft (31) passes through the housing (11) and is fixedly connected to the motor (16) via a coupling.

6. A washing machine clutch device according to claim 3, characterized in that: The output ends of the two electric actuators (14) are fixedly connected to the ends of the sliding frame (37) that are close to each other.

7. A washing machine clutch device according to claim 3, characterized in that: The upper end of the second rotating shaft (33) passes through a sliding groove (12) that is close to each other and is fixedly connected to the lower end of the pulley (21).

8. A washing machine clutch device according to claim 4, characterized in that: The second rotating shaft (33) is rotatably connected within the two arc-shaped plates (42).

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