Spraying arm structure of cage washing machine

Abstract

The utility model discloses a gushing arm structure of a cage washing machine, which belongs to the technical field of cage washing machines and comprises an inner container, a top-layer gushing arm group arranged in the inner container and comprising a top gushing arm, a middle-layer gushing arm group comprising a middle-inner water outlet pipe and a middle gushing arm, the lower layer spraying arm set comprises a lower inner water outlet pipe and a lower spraying arm, the lower inner water outlet pipe is transversely arranged on the lower portion of the inner container, the lower spraying arm is rotationally arranged on the lower inner water outlet pipe, and pipe spraying holes are formed in the middle inner water outlet pipe and the lower inner water outlet pipe. And arm spraying holes are formed in the middle spraying arm and the lower spraying arm. According to the structure, water outlet combinations of multiple different positions of the top spraying holes, the arm spraying holes and the pipe spraying holes are utilized to ensure that water can be sprayed uniformly in a large range, and cages in the inner container are cleaned in an all-around mode, so that the faster and cleaner cleaning effect is achieved, and the cleaning requirement is greatly met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a washing cage machine technical field, and specifically is a washing cage machine's spray arm structure. BACKGROUND

[0002] At present, the fixed nozzle is used in the spray washing of part washing cage machines, water cannot be sprayed to each angle inside the washing cage machine during work, some dead angles of the cage cannot be completely cleaned, and the cleaning requirement is not met.

[0003] Therefore, relevant technical personnel carry out research and development, such as the utility model patent (patent number CN201922319435.3) discloses a large-scale multifunctional cleaning transverse swing spray arm device, which comprises a lifting device, the lifting device is connected with a driving rack through a connecting rod, and the driving rack is connected with a transverse spray arm through meshing with a gear. The device realizes the cleaning of the cage box and the large animal cage through the reciprocating rotation of the transverse spray arm driven by the reciprocating movement of the driving rack, but the transverse spray arm reciprocates along its long axis during actual work, the rotation amplitude is small, and the water cannot be sprayed quickly and widely, the cleaning effect of the cage is poor, and the efficiency is low. Therefore, it is necessary to further improve. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a washing cage machine's spray arm structure to overcome the defects in the prior art.

[0005] A washing cage machine's spray arm structure designed for this purpose comprises an inner container, the inner container is provided with

[0006] A top layer spray arm group, comprising a top spray arm, the top spray arm is rotatably arranged at the top of the inner container, and a top spray hole is arranged on the top spray arm,

[0007] A middle layer spray arm group, comprising a middle inner water outlet pipe and a middle spray arm, the middle inner water outlet pipe is transversely arranged at the middle of the inner container, and the middle spray arm is rotatably arranged on the middle inner water outlet pipe,

[0008] A lower layer spray arm group, comprising a lower inner water outlet pipe and a lower spray arm, the lower inner water outlet pipe is transversely arranged at the lower part of the inner container, and the lower spray arm is rotatably arranged on the lower inner water outlet pipe,

[0009] Pipe spray holes are arranged on the middle inner water outlet pipe and the lower inner water outlet pipe, and arm spray holes are arranged on the middle spray arm and the lower spray arm.

[0010] The top spray holes are arranged at intervals on the front and back, and / or left and right, and / or upper and lower positions of the top spray arm.

[0011] The pipe spray holes are arranged in several and are arranged in front and back, and / or left and right, and / or up and down positions of the middle inner water outlet pipe and the lower inner water outlet pipe.

[0012] The arm spray holes are arranged in several and are arranged in front and back, and / or left and right, and / or up and down positions of the middle spray arm and the lower spray arm.

[0013] The middle inner water outlet pipe and the lower inner water outlet pipe are arranged in up and down positions and are parallel to each other or form a certain angle.

[0014] The top spray arm group is arranged in two groups and is arranged in left and right positions, and is arranged in the inner container top through welding, or riveting, or clamping, or bonding, or fasteners, the middle inner water outlet pipe is arranged in the middle of the inner container through welding, or riveting, or clamping, or bonding, or fasteners, two middle spray arms are arranged on the middle inner water outlet pipe, and the two middle spray arms are arranged in left and right positions, the lower inner water outlet pipe is arranged in the lower part of the inner container through welding, or riveting, or clamping, or bonding, or fasteners, and two lower spray arms are arranged on the lower inner water outlet pipe, and the two lower spray arms are arranged in left and right positions.

[0015] The top spray arm group includes a top arm fixed seat, a top arm limiting block, and a top arm limiting fastener, wherein the top arm fixed seat is arranged in the top of the inner container through welding, or riveting, or clamping, or bonding, or fasteners, the top spray arm is provided with a top arm communication hole, the top arm fixed seat is provided with a top arm seat connecting column, the top arm seat connecting column is provided with a top arm seat connecting column water outlet hole, the top arm seat connecting column extends into the top spray arm through one side of the top arm communication hole and is in communication with the inside of the top spray arm through the top arm seat connecting column water outlet hole, the top arm limiting block is arranged on the other side of the top arm communication hole, and the top arm limiting fastener is connected with the top arm seat connecting column after penetrating through the top arm limiting block.

[0016] The top spray arm group further includes a first top arm gasket and a second top arm gasket, the first top arm gasket is positioned on one side of the top arm communication hole through the top arm fixed seat, and the second top arm gasket is positioned on the other side of the top arm communication hole through the cooperation of the top arm limiting block and the top arm limiting fastener.

[0017] The top of the inner container is provided with a top assembly hole, the top arm fixed seat is fixed on the top assembly hole through welding, or riveting, or clamping, or bonding, or fasteners, and is in communication with the water supply end.

[0018] The middle inner water outlet pipe and the lower inner water outlet pipe are provided with water outlet communication holes, the middle layer spray arm group and the lower layer spray arm group each include a three-way seat, a spray arm fixing seat, a spray arm limiting block and a spray arm limiting fixing piece, the middle inner water outlet pipe and the lower inner water outlet pipe are arranged on the three-way seat and are fixed by welding, riveting, clamping, bonding or fasteners, the middle inner water outlet pipe and the lower inner water outlet pipe are communicated with the three-way seat through the water outlet communication holes, the spray arm fixing seat is arranged on the three-way seat by welding, riveting, clamping, bonding or fasteners and is communicated with the three-way seat, the middle spray arm and the lower spray arm are provided with spray arm communication holes, the spray arm fixing seat is provided with a spray arm seat connecting column, the spray arm seat connecting column is provided with a spray arm seat connecting column water outlet hole, the spray arm seat connecting column extends into the middle spray arm and the lower spray arm through one side of the spray arm communication hole and is communicated with the inside of the middle spray arm and the lower spray arm through the spray arm seat connecting column water outlet hole, the spray arm limiting block is arranged on the other side of the spray arm communication hole, and the spray arm limiting fixing piece is connected with the spray arm seat connecting column after penetrating through the spray arm limiting block.

[0019] The middle layer spray arm group and the lower layer spray arm group each further include a first spray arm gasket and a second spray arm gasket, the first spray arm gasket is positioned on one side of the spray arm communication hole through the spray arm fixing seat, and the second spray arm gasket is positioned on the other side of the spray arm communication hole through cooperation of the spray arm limiting block and the spray arm limiting fixing piece.

[0020] One side of the middle part of the liner is provided with a first side assembly hole, and the lower side is provided with a second side assembly hole, the middle inner water outlet pipe is fixed on the first side assembly hole by welding, riveting, clamping, bonding or fasteners and is communicated with a water supply end, and the lower inner water outlet pipe is fixed on the second side assembly hole by welding, riveting, clamping, bonding or fasteners and is communicated with a water supply end.

[0021] The utility model discloses a three-layer spray washing structure formed by the top layer spray arm group, the middle layer spray arm group and the lower layer spray arm group arranged at intervals, and the top spray arm, the middle spray arm and the lower spray arm are rotatable by 360 degrees, so that water can be sprayed uniformly and in a large range through the top spray hole and the arm spray hole, and the cage in the liner can be cleaned in all directions, thereby improving the cleaning effect and efficiency of the cage. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1The assembly structure schematic diagram of the embodiment of the utility model.

[0023] Figure 2 The exploded structure schematic diagram of the top layer spray arm group, the middle layer spray arm group and the lower layer spray arm group.

[0024] Figure 3 The exploded structure schematic diagram of the top layer spray arm group.

[0025] Figure 4 The structure schematic diagram of the X place in the Figure 3

[0026] Figure 5 The assembly structure schematic diagram (partly enlarged) of the top layer spray arm group.

[0027] Figure 6 The exploded structure schematic diagram of the middle layer spray arm group / lower layer spray arm group.

[0028] Figure 7 The structure schematic diagram of the Y place in the Figure 6

[0029] Figure 8 The assembly structure schematic diagram (partly enlarged) of the middle layer spray arm group / lower layer spray arm group.

[0030] Figure 9 The structure schematic diagram of the middle inner water outlet pipe / lower inner water outlet pipe. DETAILED DESCRIPTION

[0031] In order to make the above object, features and advantages of the utility model more apparent, below, specific implementation manners of the utility model are described in detail with the help of the drawings. In the following description, a lot of specific details are set forth in order to give a full understanding of the utility model. But the utility model can be implemented in many other ways different from the description herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments.

[0032] The utility model is further described below with the help of the drawings and embodiments.

[0033] Referring to Figures 1-9 , the spray arm structure of the cage washing machine comprises an inner container 1, the inner container 1 is provided with

[0034] The top layer spray arm group A comprises a top spray arm A1, the top spray arm A1 is rotationally arranged at the top of the inner container 1, and a top spray hole A1.1 is arranged on the top spray arm A1,

[0035] The middle layer spray arm group B comprises a middle inner water outlet pipe B1 and a middle spray arm B2, the middle inner water outlet pipe B1 is horizontally arranged in the middle of the inner container 1, and the middle spray arm B2 is rotationally arranged on the middle inner water outlet pipe B1,​​

[0036] The lower layer spray arm group C includes a lower inner water outlet pipe C1 arranged transversely at the lower part of the inner container 1 and a lower spray arm C2 rotatably arranged on the lower inner water outlet pipe C1,

[0037] The middle inner water outlet pipe B1 and the lower inner water outlet pipe C1 are both provided with pipe spray holes BC1.1, and the middle spray arm B2 and the lower spray arm C2 are both provided with arm spray holes BC2.1.

[0038] The present embodiment utilizes the top layer spray arm group A, the middle layer spray arm group B and the lower layer spray arm group C arranged at intervals to form the upper, middle and lower three-layer spray washing structure, and utilizes the 360°-rotatable top spray arm A1, middle spray arm B2 and lower spray arm C2 to enable water to be uniformly and widely sprayed through the top spray holes A1.1 and the arm spray holes BC2.1 to clean the cage in the inner container 1 in all directions, thereby improving the cleaning effect and efficiency of the cage. In addition, the middle inner water outlet pipe B1 and the lower inner water outlet pipe C1 are also provided with pipe spray holes BC1.1 for the dead angle of the cage, and the water is sprayed through the top spray holes A1.1, the arm spray holes BC2.1 and the pipe spray holes BC1.1 at different positions to ensure that the cage can be cleaned in all directions, thereby achieving faster and cleaner cleaning effect, greatly meeting the cleaning requirements.

[0039] The top spray holes A1.1 are arranged at intervals at the front and rear, and / or left and right, and / or upper and lower positions of the top spray arm A1.

[0040] The pipe spray holes BC1.1 are arranged at intervals at the front and rear, and / or left and right, and / or upper and lower positions of the middle inner water outlet pipe B1 and the lower inner water outlet pipe C1.

[0041] The arm spray holes BC2.1 are arranged at intervals at the front and rear, and / or left and right, and / or upper and lower positions of the middle spray arm B2 and the lower spray arm C2.

[0042] In the present embodiment, the top spray arm A1 is flat, the top spray holes A1.1 are arranged at intervals at the upper and lower positions of the top spray arm A1 to enable the top spray arm A1 to spray water upward and downward, the middle inner water outlet pipe B1 and the lower inner water outlet pipe C1 are cylindrical, the pipe spray holes BC1.1 are arranged at intervals at the front and rear, left and right, and upper and lower positions of the middle inner water outlet pipe B1 and the lower inner water outlet pipe C1 to enable the middle inner water outlet pipe B1 and the lower inner water outlet pipe C1 to spray water forward and backward, left and right, and upward and downward, and the middle spray arm B2 and the lower spray arm C2 are flat, the arm spray holes BC2.1 are arranged at intervals at the upper and lower positions of the middle spray arm B2 and the lower spray arm C2 to enable the middle spray arm B2 and the lower spray arm C2 to spray water upward and downward.

[0043] The middle inner water outlet pipe B1 and the lower inner water outlet pipe C1 are arranged upward and downward and parallel to each other or form a certain angle.

[0044] In the embodiment, the inner water outlet pipes B1 and C1 are arranged in parallel and vertically, reducing the space occupancy.

[0045] The top layer spray arm group A is provided with two groups and arranged left and right, and is arranged on the top of the inner container 1 through welding, or riveting, or clamping, or bonding, or fasteners. The middle inner water outlet pipe B1 is arranged in the middle of the inner container 1 through welding, or riveting, or clamping, or bonding, or fasteners. The middle inner water outlet pipe B1 is provided with two middle spray arms B2, which are arranged left and right. The lower inner water outlet pipe C1 is arranged at the lower part of the inner container 1 through welding, or riveting, or clamping, or bonding, or fasteners. The lower inner water outlet pipe C1 is provided with two lower spray arms C2, which are arranged left and right.

[0046] In the embodiment, the left and right two groups of top layer spray arm groups A, the left and right two middle spray arms B2, and the left and right lower spray arms C2 jointly constitute six groups of spray washing structures, which can uniformly and widely spray the cage in the inner container 1 in all directions.

[0047] The top layer spray arm group A includes a top arm fixed seat A2, a top arm limiting block A3, and a top arm limiting fixed part A4. The top arm fixed seat A2 is arranged on the top of the inner container 1 through welding, or riveting, or clamping, or bonding, or fasteners. The top spray arm A1 is provided with a top arm communication hole A1.2. The top arm fixed seat A2 is provided with a top arm seat connecting column A2.1. The top arm seat connecting column A2.1 is provided with a top arm seat connecting column water outlet hole A2.2. The top arm seat connecting column A2.1 extends into the top spray arm A1 through one side of the top arm communication hole A1.2 and is in communication with the inside of the top spray arm A1 through the top arm seat connecting column water outlet hole A2.2. The top arm limiting block A3 is arranged on the other side of the top arm communication hole A1.2. The top arm limiting fixed part A4 is connected with the top arm seat connecting column A2.1 after passing through the top arm limiting block A3.

[0048] The top layer spray arm group A further includes a first top arm gasket A5 and a second top arm gasket A6. The first top arm gasket A5 is positioned on one side of the top arm communication hole A1.2 through the top arm fixed seat A2. The second top arm gasket A6 is positioned on the other side of the top arm communication hole A1.2 through the cooperation of the top arm limiting block A3 and the top arm limiting fixed part A4.

[0049] The top of the inner container 1 is provided with a top assembly hole. The top arm fixed seat A2 is fixed on the top assembly hole through welding, or riveting, or clamping, or bonding, or fasteners, and is in communication with the water supply end.

[0050] In this embodiment, the top arm fixing seat A2 is provided with a top arm fixing seat threaded part A2.3 at the top, and a top arm seat connecting column A2.1 is arranged at the bottom of the top arm fixing seat A2. The top arm fixing seat threaded part A2.3 extends out of the top assembly hole and is fixed on the inner container 1 by a fastener. Water from the water supply end enters the top arm fixing seat A2 and then enters the top spray arm A1 through the top arm seat connecting column water outlet hole A2.2. Due to the water pressure, the top spray arm A1 can rotate 360° on the top arm seat connecting column A2.1. In addition, the first top arm gasket A5 and the second top arm gasket A6 are used to seal both sides of the top arm communication hole A1.2 to prevent water from leaking out of the top arm communication hole A1.2 and ensure the water pressure inside the top spray arm A1.

[0051] The middle inner water outlet pipe B1 and the lower inner water outlet pipe C1 are both provided with a water outlet communication hole BC1.2. The middle layer spray arm group B and the lower layer spray arm group C each include a three-way seat 2, a spray arm fixing seat 3, a spray arm limiting block 4, and a spray arm limiting fixing piece 5. The middle inner water outlet pipe B1 and the lower inner water outlet pipe C1 are arranged in the three-way seat 2 and are fixed to each other by welding, riveting, clamping, bonding, or a fastener. The middle inner water outlet pipe B1 and the lower inner water outlet pipe C1 are in communication with each other through the water outlet communication hole BC1.2. The spray arm fixing seat 3 is arranged on the three-way seat 2 by welding, riveting, clamping, bonding, or a fastener, and the two are in communication with each other. The middle spray arm B2 and the lower spray arm C2 are each provided with a spray arm communication hole BC2.2. The spray arm fixing seat 3 is provided with a spray arm seat connecting column 3.1, and the spray arm seat connecting column 3.1 is provided with a spray arm seat connecting column water outlet hole 3.2. The spray arm seat connecting column 3.1 extends into the middle spray arm B2 and the lower spray arm C2 through one side of the spray arm communication hole BC2.2 and is in communication with the inside of the middle spray arm B2 and the lower spray arm C2 through the spray arm seat connecting column water outlet hole 3.2. The spray arm limiting block 4 is arranged on the other side of the spray arm communication hole BC2.2. The spray arm limiting fixing piece 5 is connected with the spray arm seat connecting column 3.1 after passing through the spray arm limiting block 4.

[0052] The middle layer spray arm group B and the lower layer spray arm group C each further include a first spray arm gasket 6 and a second spray arm gasket 7. The first spray arm gasket 6 is positioned on one side of the spray arm communication hole BC2.2 by the spray arm fixing seat 3. The second spray arm gasket 7 is positioned on the other side of the spray arm communication hole BC2.2 by the cooperation of the spray arm limiting block 4 and the spray arm limiting fixing piece 5.

[0053] One side of the middle part of the inner container 1 is provided with a first side assembly hole, and one side of the lower part is provided with a second side assembly hole. The middle inner water outlet pipe B1 is fixed on the first side assembly hole by welding, riveting, clamping, bonding, or a fastener and is in communication with the water supply end. The lower inner water outlet pipe C1 is fixed on the second side assembly hole by welding, riveting, clamping, bonding, or a fastener and is in communication with the water supply end.

[0054] In this embodiment, the middle inner water outlet pipe B1 and the lower inner water outlet pipe C1 are assembled on the tee seat 2 in a through-type manner and are fixed by snap-fitting after assembly. The middle inner water outlet pipe B1, the lower inner water outlet pipe C and the tee seat 2 are respectively connected to each other by means of the water outlet connecting hole BC1.2. The bottom of the spray arm fixing seat 3 is provided with a spray arm fixing seat threaded portion 3.3, and the top of the tee seat 2 is provided with a threaded hole. The spray arm fixing seat 3 is fixed to the tee seat 2 by matching the spray arm fixing seat threaded portion 3.3 with the threaded hole. Both ends of the middle inner water outlet pipe B1 and the lower inner water outlet pipe C1 are provided with water outlet pipe threaded parts 8. After the water outlet pipe threaded parts 8 extend out of the first side assembly hole and the second side assembly hole, they are fixed to the inner tank 1 by fasteners, thereby realizing the fixation of the middle inner water outlet pipe B1 and the lower inner water outlet pipe C1 to the inner tank 1 respectively. Water from the water supply end enters the middle inner water outlet pipe B1 and the lower inner water outlet pipe C1 through the water outlet pipe threaded part 8, and then enters the spray arm fixing seat 3 through the tee seat 2, and then enters the middle spray arm B2 and the lower spray arm C2 through the water outlet hole 3.2 of the spray arm seat connecting column. Due to the action of water pressure, the middle spray arm B2 and the lower spray arm C2 can rotate 360° on the middle inner water outlet pipe B1 and the lower inner water outlet pipe C1 respectively. In addition, the first spray arm gasket 6 and the second spray arm gasket 7 are used to seal both sides of the spray arm connecting hole BC2.2 to prevent water from leaking through the spray arm connecting hole BC2.2, thereby ensuring the internal water pressure of the middle spray arm B2 and the lower spray arm C2.

[0055] The top arm limit fixing piece A4 and the spray arm limit fixing piece 5 are also respectively provided with a loosening and tightening part. The user can act on the loosening and tightening part manually or with tools to make the top arm limit fixing piece A4 and the spray arm limit fixing piece 5 loosen and tighten with the top arm fixing seat A2 and the spray arm fixing seat 3 respectively, thereby realizing the disassembly and assembly between the top arm fixing seat A2 and the top spray arm A1, between the spray arm fixing seat 3 and the middle spray arm B2, and between the spray arm fixing seat 3 and the lower spray arm 2, so as to simplify the disassembly and assembly process of the top spray arm group A, the middle spray arm group B, and the lower spray arm group C, and facilitate installation, commissioning, disassembly and maintenance.

[0056] The above is a preferred embodiment of the present invention, which illustrates and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention, which is defined by the appended claims and their equivalents.

Claims

1. A spray arm structure of a cage washing machine comprising an inner container (1), characterized by: The inner container (1) is internally provided with The top layer of spray arm group (A) includes a top spray arm (A1), which is rotationally arranged at the top of the inner container (1) and is provided with a top spray hole (A1.1) thereon, The middle layer of spray arm group (B) includes a middle inner water outlet pipe (B1) and a middle spray arm (B2), the middle inner water outlet pipe (B1) is transversely arranged in the middle of the inner container (1), and the middle spray arm (B2) is rotationally arranged on the middle inner water outlet pipe (B1), The lower layer of spray arm group (C) includes a lower inner water outlet pipe (C1) and a lower spray arm (C2), the lower inner water outlet pipe (C1) is transversely arranged at the lower part of the inner container (1), and the lower spray arm (C2) is rotationally arranged on the lower inner water outlet pipe (C1), The middle inner water outlet pipe (B1) and the lower inner water outlet pipe (C1) are arranged in parallel or form a certain angle.

2. The spray arm structure of the cage washing machine according to claim 1, wherein: The top spray hole (A1.1) is arranged at intervals in front and back, and / or left and right, and / or up and down positions of the top spray arm (A1), The pipe spray hole (BC1.1) is arranged at intervals in front and back, and / or left and right, and / or up and down positions of the middle inner water outlet pipe (B1) and the lower inner water outlet pipe (C1), The arm spray hole (BC2.1) is arranged at intervals in front and back, and / or left and right, and / or up and down positions of the middle spray arm (B2) and the lower spray arm (C2).

3. The spray arm structure of the cage washing machine according to claim 1, wherein: The middle inner water outlet pipe (B1) and the lower inner water outlet pipe (C1) are arranged in parallel or form a certain angle.

4. The spray arm structure of the cage washing machine according to claim 1, wherein: The top layer of spray arm group (A) is arranged in parallel or form a certain angle, and is arranged at the top of the inner container (1) by welding, riveting, clamping, bonding or fastening, the middle inner water outlet pipe (B1) is arranged in the middle of the inner container (1) by welding, riveting, clamping, bonding or fastening, the middle inner water outlet pipe (B1) is provided with two middle spray arms (B2), the two middle spray arms (B2) are arranged in parallel, and the lower inner water outlet pipe (C1) is arranged at the lower part of the inner container (1) by welding, riveting, clamping, bonding or fastening, the lower inner water outlet pipe (C1) is provided with two lower spray arms (C2), and the two lower spray arms (C2) are arranged in parallel.

5. The spray arm structure of the cage washing machine according to claim 1, wherein: The top layer spray arm group (A) comprises a top arm fixing seat (A2), a top arm limiting block (A3) and a top arm limiting fixing piece (A4), wherein the top arm fixing seat (A2) is arranged on the top of the inner container (1) by welding, or riveting, or clamping, or bonding, or fastener, the top spray arm (A1) is provided with a top arm communication hole (A1.2), the top arm fixing seat (A2) is provided with a top arm seat connecting column (A2.1), the top arm seat connecting column (A2.1) is provided with a top arm seat connecting column water outlet hole (A2.2), the top arm seat connecting column (A2.1) extends into the top spray arm (A1) through one side of the top arm communication hole (A1.2), and is in communication with the inside of the top spray arm (A1) through the top arm seat connecting column water outlet hole (A2.2), the top arm limiting block (A3) is arranged on the other side of the top arm communication hole (A1.2), and the top arm limiting fixing piece (A4) is connected with the top arm seat connecting column (A2.1) after penetrating through the top arm limiting block (A3).

6. The spray arm structure of the cage washing machine according to claim 5, characterized in that: The top layer spray arm group (A) further comprises a first top arm gasket (A5) and a second top arm gasket (A6), the first top arm gasket (A5) is positioned on one side of the top arm communication hole (A1.2) through the top arm fixing seat (A2), and the second top arm gasket (A6) is positioned on the other side of the top arm communication hole (A1.2) through the cooperation of the top arm limiting block (A3) and the top arm limiting fixing piece (A4).

7. The spray arm structure of the cage washing machine according to claim 5, wherein: The top of the inner container (1) is provided with a top assembly hole, and the top arm fixing seat (A2) is fixed on the top assembly hole by welding, or riveting, or clamping, or bonding, or fastener, and is in communication with the water supply end.

8. The spray arm structure of the cage washing machine according to claim 1, wherein: The middle inner water outlet pipe (B1) and the lower inner water outlet pipe (C1) are provided with water outlet communication holes (BC1.2), the middle layer spray arm group (B) and the lower layer spray arm group (C) each include a three-way seat (2), a spray arm fixing seat (3), a spray arm limiting block (4) and a spray arm limiting fixing piece (5), wherein the middle inner water outlet pipe (B1) and the lower inner water outlet pipe (C1) are arranged on the three-way seat (2) and are fixed to each other by welding, riveting, clamping, bonding or fasteners, the middle inner water outlet pipe (B1) and the lower inner water outlet pipe (C1) are communicated with each other through the water outlet communication holes (BC1.2), the spray arm fixing seat (3) is arranged on the three-way seat (2) by welding, riveting, clamping, bonding or fasteners, and the two are communicated with each other, the middle spray arm (B2) and the lower spray arm (C2) are respectively provided with spray arm communication holes (BC2.2), the spray arm fixing seat (3) is provided with a spray arm seat connecting column (3.1), the spray arm seat connecting column (3.1) is provided with a spray arm seat connecting column water outlet hole (3.2), the spray arm seat connecting column (3.1) extends into the middle spray arm (B2) and the lower spray arm (C2) through one side of the spray arm communication hole (BC2.2), and is communicated with the interiors of the middle spray arm (B2) and the lower spray arm (C2) through the spray arm seat connecting column water outlet hole (3.2), the spray arm limiting block (4) is arranged on the other side of the spray arm communication hole (BC2.2), and the spray arm limiting fixing piece (5) is connected with the spray arm seat connecting column (3.1) after penetrating through the spray arm limiting block (4).

9. The spray arm structure of the cage washing machine according to claim 8, wherein: The middle layer spray arm group (B) and the lower layer spray arm group (C) each further include a first spray arm gasket (6) and a second spray arm gasket (7), the first spray arm gasket (6) is positioned on one side of the spray arm communication hole (BC2.2) through the spray arm fixing seat (3), and the second spray arm gasket (7) is positioned on the other side of the spray arm communication hole (BC2.2) through cooperation of the spray arm limiting block (4) and the spray arm limiting fixing piece (5).

10. The spray arm structure of the cage washing machine according to claim 8, wherein: A first side assembly hole is arranged on one side of the middle part of the inner container (1), a second side assembly hole is arranged on one side of the lower part, the middle inner water outlet pipe (B1) is fixed on the first side assembly hole by welding, riveting, clamping, bonding or fasteners, and is communicated with a water supply end, and the lower inner water outlet pipe (C1) is fixed on the second side assembly hole by welding, riveting, clamping, bonding or fasteners, and is communicated with a water supply end. ​

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