Clutch shaft of clutch of roller washing machine

Abstract

The utility model discloses a clutch shaft of a roller washing machine clutch, which comprises a first clutch shaft body, a second clutch shaft body is arranged on one side of the first clutch shaft body, and the first clutch shaft body and the second clutch shaft body are both made of high-strength alloy materials. The first clutch shaft body comprises a first shaft head, a first connecting shaft base, a first shaft tail, a first protrusion, an inner shaft ring, a limiting block and an inserting block, the first shaft head is arranged on one side in the first clutch shaft body, the first connecting shaft base is fixed to the inner wall of the first shaft head, and the first shaft tail is arranged on the inner wall of the side, away from the first shaft head, of the first connecting shaft base; first protrusions are arranged on the outer wall of the side, away from the first connecting shaft base, of the first shaft tail at equal intervals, and two limiting blocks are arranged on the inner wall, between every two adjacent first protrusions, of the first shaft tail. According to the clutch shaft, the convenience in manufacturing the clutch shaft is improved, the transmission efficiency between the clutch shaft and the outer shaft sleeve and between the clutch shaft and the dewatering shaft is guaranteed, and the service life of the clutch shaft is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a clutch shaft of a drum washing machine. Background Technique

[0002] As a commonly used washing device in modern families, the internal clutch of a drum washing machine is a key component for realizing the conversion of washing and dehydration functions. As an important part of the clutch, the design of the clutch shaft directly affects the efficiency and service life of the clutch. In order to ensure the use performance of the clutch, it is of great practical significance to develop a clutch shaft for a drum washing machine.

[0003] A washing machine clutch shaft with a reference publication number of CN204626053U includes an upper half shaft cylinder and a lower half shaft cylinder. Upper partitions and lower partitions are respectively provided at corresponding positions in the middle of the upper half shaft cylinder and the lower half shaft cylinder. A chute is radially formed on the lower end surface of the upper partition, and a slide rail matching the chute is formed on the upper end surface of the lower partition. The upper partition and the lower partition are installed in sliding fit through the chute and the slide rail to form a shaft body. The structure of this clutch shaft is novel in design. By installing the upper and lower half shaft cylinders into a whole, and cooperating with flanges and threaded connections at both ends, the installation is convenient and fast, and it is also convenient for installation and disassembly operations, reducing the weight and manufacturing cost of the product. This is the current development trend. According to the above, although this clutch shaft can be well applied, it is usually designed as an integral structure. Because it is not convenient to carry out an assembly design for the whole clutch shaft, there are certain inconveniences in the manufacturing of this clutch shaft, which often troubles users. Content of the Utility Model

[0004] The purpose of the utility model is to provide a clutch shaft of a drum washing machine, so as to solve the problem proposed in the above background technique that although the clutch shaft can be well applied, it is usually designed as an integral structure, and because it is not convenient to carry out an assembly design for the whole clutch shaft, there are certain inconveniences in the manufacturing of this clutch shaft.

[0005] To achieve the above object, the present utility model provides the following technical solutions: the clutch shaft of a drum washing machine, including a first clutch shaft body, on one side of the first clutch shaft body there is a second clutch shaft body, both the first clutch shaft body and the second clutch shaft body are made of high-strength alloy materials, the first clutch shaft body includes a first shaft head, a first connecting shaft seat, a first shaft tail, a first protrusion, an inner shaft ring, a limiting block and a plug-in block, on one side inside the first clutch shaft body there is a first shaft head, on the inner wall of the first shaft head there is a fixed first connecting shaft seat, on the inner wall of the first connecting shaft seat away from the first shaft head there is a first shaft tail, on the outer wall of the first shaft tail away from the first connecting shaft seat there are equally spaced first protrusions, the included angle between adjacent first protrusions is ninety degrees, on the inner wall of the first shaft tail between adjacent first protrusions there are both two limiting blocks, the outer wall of the limiting block is connected to the inner wall of the first protrusion, on the inner wall of the first shaft tail inside the first protrusion there is an inner shaft ring, the outer wall of the inner shaft ring is fixedly connected to the inner wall of the limiting block, on the outer walls of several limiting blocks there are plug-in blocks.

[0006] Preferably, at the central position inside the first shaft head there is a first shaft hole, both ends of the first shaft hole extend to the outside of the first shaft head, inside the first shaft head on one side of the first shaft hole there is a first spline groove, through the settings of the first shaft hole and the first spline groove, so as to stably connect the clutch shaft with an external shaft body.

[0007] Preferably, the second clutch shaft body includes a second shaft head and a second connecting shaft seat, on one side inside the second clutch shaft body there is a second shaft head, on the inner wall of the second shaft head there is a second connecting shaft seat, through the setting of the second connecting shaft seat, so as to place and process the second shaft tail.

[0008] Preferably, the second clutch shaft body includes a second shaft tail, on the inner wall of the second connecting shaft seat there is a second shaft tail, through the setting of the second shaft tail, so as to place and process the second protrusion.

[0009] Preferably, the second clutch shaft body includes a second protrusion, on the inner wall of the second shaft tail there are equally spaced second protrusions, the included angle between adjacent second protrusions is ninety degrees, through the setting of the second protrusion, so as to cooperate with the first protrusion and the limiting block to assemble and connect the first clutch shaft body and the second clutch shaft body.

[0010] Preferably, the second clutch shaft body includes a plug-in hole, on the inner wall of the second shaft tail between the second protrusions there are both plug-in holes, through the setting of the plug-in holes, so as to cooperate with the plug-in blocks to assemble and connect the first clutch shaft body and the second clutch shaft body.

[0011] Preferably, a second shaft hole is provided at the central position inside the second shaft head, and both ends of the second shaft hole extend to the outside of the second shaft head. A second spline groove is provided inside the second shaft head on one side of the second shaft hole. Through the settings of the second shaft hole and the second spline groove, the clutch shaft can be stably connected to an external shaft body.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: The clutch shaft of this drum washing machine clutch not only improves the convenience in manufacturing the clutch shaft, but also ensures the transmission efficiency between the clutch shaft, the outer shaft sleeve, and the dehydration shaft, and moreover extends the service life of the clutch shaft.

[0013] (1) By designing the clutch shaft into two parts, namely a first clutch shaft body and a second clutch shaft body, when the insertion block is inserted into the insertion hole and the second protrusion is inserted between the two limiting blocks adjacent to the first protrusion, the first clutch shaft body and the second clutch shaft body can be assembled and manufactured in a modular way, thus improving the convenience in manufacturing the clutch shaft.

[0014] (2) By respectively providing a first shaft hole and a second shaft hole inside the first shaft head and the second shaft head, and respectively providing a first spline groove and a second spline groove inside the first shaft head and the second shaft head on one side of the first shaft hole and the second shaft hole, only by inserting the outer shaft sleeve and the dehydration shaft of the clutch into the first shaft hole and the second shaft hole, and inserting the protrusions on the outer walls of the outer shaft sleeve and the dehydration shaft into the first spline groove and the second spline groove, the transmission efficiency between the clutch shaft, the outer shaft sleeve, and the dehydration shaft can be ensured.

[0015] (3) By using high-strength alloy materials to make various related components such as the first clutch shaft body and the second clutch shaft body of the clutch shaft, the clutch shaft can have excellent wear resistance and corrosion resistance, and thus the phenomenon of wear or corrosion of the clutch shaft can be effectively reduced, thereby extending the service life of the clutch shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is an exploded structural schematic diagram of the present utility model;

[0017] Figure 2 is a right-view structural schematic diagram of the first clutch shaft body of the present utility model;

[0018] Figure 3 is a left-view structural schematic diagram of the first clutch shaft body of the present utility model;

[0019] Figure 4 is a left-view structural schematic diagram of the second clutch shaft body of the present utility model;

[0020] Figure 5 is a right-view structural schematic diagram of the second shaft head of the present utility model.

[0021] In the figure: 1. First clutch shaft body; 101. First shaft head; 1011. First shaft hole; 1012. First spline groove; 102. First connecting shaft seat; 103. First shaft tail; 104. First protrusion; 105. Inner shaft ring; 106. Limit block; 107. Insertion block; 2. Second clutch shaft body; 201. Second shaft head; 2011. Second shaft hole; 2012. Second spline groove; 202. Second connecting shaft seat; 203. Second shaft tail; 204. Second protrusion; 205. Insertion hole. Detailed implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1-5 , an embodiment provided by the present invention: the clutch shaft of a drum washing machine clutch includes a first clutch shaft body 1, a second clutch shaft body 2 is provided on one side of the first clutch shaft body 1, both the first clutch shaft body 1 and the second clutch shaft body 2 are made of high-strength alloy materials, the first clutch shaft body 1 includes a first shaft head 101, a first connecting shaft seat 102, a first shaft tail 103, a first protrusion 104, an inner shaft ring 105, a limit block 106 and an insertion block 107, a first shaft head 101 is provided on one side inside the first clutch shaft body 1, a first shaft hole 1011 is provided at the central position inside the first shaft head 101, both ends of the first shaft hole 1011 extend to the outside of the first shaft head 101, and a first spline groove 1012 is provided inside the first shaft head 101 on one side of the first shaft hole 1011;

[0024] During use, through the settings of the first shaft hole 1011 and the first spline groove 1012, the clutch shaft can be stably connected to an external shaft body;

[0025] The second clutch shaft body 2 includes a second shaft head 201 and a second connecting shaft seat 202, a second shaft head 201 is provided on one side inside the second clutch shaft body 2, and a second connecting shaft seat 202 is provided on the inner wall of the second shaft head 201;

[0026] During use, through the setting of the second connecting shaft seat 202, the second shaft tail 203 can be placed and processed;

[0027] The second clutch shaft body 2 includes a second shaft tail 203, and the second shaft tail 203 is provided on the inner wall of the second connecting shaft seat 202;

[0028] During use, through the setting of the second shaft tail 203, the second protrusion 204 can be placed and processed;

[0029] The second clutch shaft body 2 includes a second protrusion 204. The inner wall of the second shaft tail 203 is provided with equally spaced second protrusions 204, and the included angle between adjacent second protrusions 204 is ninety degrees;

[0030] During use, due to the setting of the second protrusion 204, it is convenient to cooperate with the first protrusion 104 and the limiting block 106 to assemble and connect the first clutch shaft body 1 and the second clutch shaft body 2;

[0031] The second clutch shaft body 2 includes a plug hole 205, and the inner walls of the second shaft tail 203 between the second protrusions 204 are all provided with plug holes 205;

[0032] During use, due to the setting of the plug hole 205, it is convenient to cooperate with the plug block 107 to assemble and connect the first clutch shaft body 1 and the second clutch shaft body 2;

[0033] At the central position inside the second shaft head 201, there is a second shaft hole 2011. Both ends of the second shaft hole 2011 extend to the outside of the second shaft head 201. Inside the second shaft head 201 on one side of the second shaft hole 2011, there is a second spline groove 2012;

[0034] During use, due to the setting of the second shaft hole 2011 and the second spline groove 2012, it is convenient for the clutch shaft to be stably connected to the external shaft body;

[0035] A first connecting shaft seat 102 is fixed on the inner wall of the first shaft head 101. On the inner wall of the first connecting shaft seat 102 away from the first shaft head 101, there is a first shaft tail 103. On the outer wall of the first shaft tail 103 away from the first connecting shaft seat 102, there are equally spaced first protrusions 104, and the included angle between adjacent first protrusions 104 is ninety degrees. On the inner walls of the first shaft tail 103 between adjacent first protrusions 104, there are two limiting blocks 106. The outer wall of the limiting block 106 is connected to the inner wall of the first protrusion 104. On the inner wall of the first shaft tail 103 inside the first protrusion 104, there is an inner shaft ring 105. The outer wall of the inner shaft ring 105 is fixedly connected to the inner wall of the limiting block 106. Plug blocks 107 are provided on the outer walls of several limiting blocks 106.

[0036] When the embodiment of the present application is in use, first, a first shaft hole 1011 and a second shaft hole 2011 are respectively arranged inside the first shaft head 101 and the second shaft head 201, and a first spline groove 1012 and a second spline groove 2012 are respectively arranged inside the first shaft head 101 and the second shaft head 201 on one side of the first shaft hole 1011 and the second shaft hole 2011. Only by inserting the clutch outer shaft sleeve and the dehydration shaft into the first shaft hole 1011 and the second shaft hole 2011, and inserting the protrusions on the outer walls of the outer shaft sleeve and the dehydration shaft into the first spline groove 1012 and the second spline groove 2012, the transmission efficiency between the clutch shaft, the outer shaft sleeve and the dehydration shaft can be ensured. Then, by designing the clutch shaft into two parts, namely a first clutch shaft body 1 and a second clutch shaft body 2, when the insertion block 107 is inserted into the insertion hole 205, and the second protrusion 204 is inserted between the two limiting blocks 106 adjacent to the first protrusion 104, the first clutch shaft body 1 and the second clutch shaft body 2 can be assembled and manufactured. Compared with the traditional integral structure, the manufacturing of this clutch shaft is more convenient. In addition, after the first clutch shaft body 1 and the second clutch shaft body 2 are assembled, the connection area can be welded by spot welding to further improve the firmness after the assembly of the first clutch shaft body 1 and the second clutch shaft body 2. Finally, by using high-strength alloy materials to make the first clutch shaft body 1 and the second clutch shaft body 2 of the clutch shaft, the clutch shaft can have excellent wear resistance and corrosion resistance, so as to extend the service life of the clutch shaft. In addition, the surface of the clutch shaft can be specially treated, such as spraying a wear-resistant coating or performing carburizing and quenching treatment, to further improve its wear resistance and hardness, thus completing the use of the clutch shaft.

Claims

1. The clutch shaft of the drum washing machine clutch is characterized by: The invention comprises a first clutch shaft body (1), a second clutch shaft body (2) is arranged on one side of the first clutch shaft body (1), the first clutch shaft body (1) and the second clutch shaft body (2) are both made of high-strength alloy material, the first clutch shaft body (1) comprises a first shaft head (101), a first connecting shaft seat (102), a first shaft tail (103), a first protrusion (104), an inner shaft ring (105), a limit block (106) and a plug-in block (107), a first shaft head (101) is arranged on one side inside the first clutch shaft body (1), a first connecting shaft seat (102) is fixed on the inner wall of the first shaft head (101), and a first connecting shaft seat (102) is arranged on the inner wall of the first connecting shaft seat (102) away from the first shaft head (101) A first shaft tail (103), the first shaft tail (103) is provided with first protrusions (104) at equal intervals on its outer wall on the side away from the first connecting shaft seat (102), the angle between adjacent first protrusions (104) is ninety degrees, two limit blocks (106) are provided on the inner wall of the first shaft tail (103) between adjacent first protrusions (104), the outer wall of the limit block (106) is connected to the inner wall of the first protrusion (104), an inner shaft ring (105) is provided on the inner wall of the first shaft tail (103) inside the first protrusion (104), the outer wall of the inner shaft ring (105) is fixedly connected to the inner wall of the limit block (106), and a plurality of the limit blocks (106) are provided with plug-in blocks (107) on their outer walls.

2. The clutch shaft of the drum washing machine clutch according to claim 1, characterized in that: A first shaft hole (1011) is provided at the center position inside the first shaft head (101), both ends of the first shaft hole (1011) extend to the outside of the first shaft head (101), and a first spline groove (1012) is provided inside the first shaft head (101) on one side of the first shaft hole (1011).

3. The clutch shaft of the drum washing machine clutch according to claim 1, characterized in that: The second clutch shaft body (2) comprises a second shaft head (201) and a second connecting shaft seat (202); the second shaft head (201) is provided on one side inside the second clutch shaft body (2); and the second connecting shaft seat (202) is provided on the inner wall of the second shaft head (201).

4. The clutch shaft of the drum washing machine clutch according to claim 3, characterized in that: The second clutch shaft body (2) comprises a second shaft tail (203), and the second shaft tail (203) is provided on the inner wall of the second connecting shaft seat (202).

5. The clutch shaft of the drum washing machine clutch according to claim 4, characterized in that: The second clutch shaft (2) comprises second protrusions (204), and the inner wall of the second shaft tail (203) is provided with second protrusions (204) at equal intervals, and the angle between adjacent second protrusions (204) is ninety degrees.

6. The clutch shaft of the drum washing machine clutch according to claim 5, characterized in that: The second clutch shaft body (2) includes a plug-in hole (205), and the plug-in hole (205) is provided on the inner wall of the second shaft tail (203) between the second protrusions (204).

7. The clutch shaft of the drum washing machine clutch according to claim 3, characterized in that: A second shaft hole (2011) is provided at the center position inside the second shaft head (201), both ends of the second shaft hole (2011) extend to the outside of the second shaft head (201), and a second spline groove (2012) is provided inside the second shaft head (201) on one side of the second shaft hole (2011).

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