Spraying device for dish washing machine
By designing a rotating and adjustable water distribution pipe and a spray device with a detachable cover, the problems of incomplete coverage, insufficient water volume, and inconvenient cleaning of dishwasher spray devices are solved, achieving full coverage, high water pressure, and convenient cleaning.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-03-24
AI Technical Summary
Existing dishwasher spray systems cannot fully cover the washing area, have low water volume and pressure, and are difficult to clean.
A spray device was designed, which includes a vertically arranged main water inlet pipe and a water distribution tank. The water distribution pipe can be rotated and adjusted to cover the entire washing area, providing more spray water and high water pressure. The device also features a removable cover for easy cleaning.
It achieves full coverage of the washing area, improves the spraying effect, enhances water pressure, and facilitates cleaning.
Smart Images

Figure CN224023517U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to kitchen utensil technical field, concretely is a kind of for dish washer with spraying device. BACKGROUND
[0002] Dish washer is a kind of for automatic cleaning tableware domestic or commercial electric appliance, can efficiently, conveniently complete tableware cleaning, disinfection and drying work. Among them, commercial dish washer is designed for catering, hotel, canteen etc. High-efficiency cleaning equipment of commercial place, can wash tableware quickly, massively, satisfy high-intensity use demand. Spraying device in dish washer is the core component of dish washer, is responsible for washing water evenly sprayed to tableware surface, to reach cleaning effect.
[0003] At present, the most common spraying device adopts straight spray, rotary type. Straight spray is directly sprayed;Rotary type is driven by motor to rotate spray arm, so that nozzle sprays water flow, covers entire washing area.
[0004] However, conventional rotary spray arm still has the following deficiencies:
[0005] 1, straight spray mode cannot completely cover entire washing area;
[0006] 2, the spraying water volume of rotary spray arm is small, and the spraying water pressure is small, which cannot completely meet the cleaning requirements of commercial dish washer;
[0007] 3, conventional spraying device is inconvenient to clean. INVENTION CONTENT
[0008] In order to solve the technical problems in the background art, the utility model provides a kind of dish washer with spraying device, completely covers entire washing area;Spraying water volume is more, and spraying water pressure is high, and spraying effect is good;It is convenient to clean.
[0009] The technical scheme solved by the utility model is as follows:
[0010] A kind of dish washer with spraying device, comprising: vertically arranged water inlet main pipe, the upper end of the water inlet main pipe is connected with the water distribution tank perpendicular to it, and the water distribution tank is provided with a thrust spring in it;Water distribution tank is inserted with the water distribution pipe extending forward, the rear end of the water distribution pipe is in abutment with the thrust spring, and the water distribution pipe is provided with a water outlet in the wall thereof, and the outer wall of the water distribution pipe at the water outlet is provided as a concave curved surface.
[0011] Further, the left and right sides of the water distribution tank are symmetrically provided with fixed seats fixedly connected with the inner wall of the dish washer.
[0012] Further, a front through hole is arranged through the front end surface of the water distribution box, and a limiting seat is arranged on the inner wall of the water distribution box at the edge of the front through hole, a positioning protrusion is arranged on the inner wall of the limiting seat, a rear extension pipe is arranged in communication on the rear end surface of the water distribution box, the rear end of the rear extension pipe is sealed and fixedly connected with a rear cover, and a rear spring seat for inserting a thrust spring is arranged on the front end surface of the rear cover.
[0013] Further, a limiting cone is arranged on the outer wall of the rear part of the water distribution pipe, a sealing protruding ring extending in the radial direction of the limiting cone is arranged at the rear end edge of the limiting cone, a positioning groove matched with the positioning protrusion is arranged on the outer wall of the limiting cone, a water inlet is arranged in communication on the rear part side wall of the water distribution pipe, the rear end of the water distribution pipe is closed, and a front spring seat for inserting a thrust spring is arranged on the front end.
[0014] Further, the front end of the water distribution pipe is sealed and fixedly connected with a detachable front cover.
[0015] Further, the inner wall of the limiting seat is arranged in an inclined manner and abuts against the limiting cone.
[0016] Further, the outer diameter of the sealing protruding ring is smaller than the inner diameter of the rear extension pipe.
[0017] Further, the positioning protrusion is arranged in a plurality of forms and matched with the positioning groove after the rotation of the water distribution pipe.
[0018] Further, a sealing gasket is arranged at the connection between the rear end surface of the limiting seat and the sealing protruding ring.
[0019] Further, a plurality of water distribution pipes are arranged in parallel.
[0020] A plurality of water outlets are arranged in the front-rear direction.
[0021] The water inlet is arranged in a direction facing the water inlet main pipe.
[0022] The beneficial effects of the spraying device for the dish washing machine are as follows:
[0023] 1. The water distribution pipe is rotatable, and covers the entire washing area.
[0024] 2. The water distribution box provides more spraying water and higher spraying water pressure, thereby improving the spraying effect.
[0025] 3. The detachable front cover and rear cover are convenient for cleaning. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1It is the utility model example provides a kind of spraying device for dish washer's stereoscopic schematic diagram;
[0027] Figure 2 It is the utility model example provides a kind of spraying device for dish washer's water distribution pipe stereoscopic schematic diagram;
[0028] Figure 3 It is the utility model example provides a kind of spraying device for dish washer's water distribution tank local amplification stereoscopic schematic diagram.
[0029] In the figure:
[0030] 11, water inlet main pipe, 12, water distribution tank, 13, fixed seat, 14, rear cover, 15, front perforation, 16, limit seat, 17, positioning protrusion, 18, rear extension pipe, 19, rear spring seat, 10, thrust spring,
[0031] 20, water distribution pipe, 21, front cover, 22, water outlet, 23, limit cone, 24, sealing convex ring, 25, positioning groove, 26, water inlet, 27, front spring seat. DETAILED DESCRIPTION
[0032] In order to more clearly and explicitly illustrate the specific implementation purposes and implementation manners of the utility model, the technical scheme of the utility model will be described completely below, and the described embodiments are part of the embodiments of the utility model, not all embodiments. Based on the described embodiments of the utility model, all other embodiments belong to the protection scope of the utility model without making creative labor.
[0033] The utility model discloses a kind of spraying device for dish washer, as shown in Figure 1 、 Figure 2 、 Figure 3 It includes:
[0034] Water inlet main pipe 11 vertically arranged, the upper end of the water inlet main pipe 11 is connected with the water distribution tank 12 perpendicular to it, the left and right sides of the water distribution tank 12 are symmetrically provided with the fixed seat 13 fixedly connected with the inner wall of dish washer, the front end face of water distribution tank 12 is provided with front perforation 15, the inner wall of water distribution tank 12 at the edge of front perforation 15 is provided with annular limit seat 16, the inner wall of limit seat 16 is inclined, positioning protrusion 17 is arranged on the inner wall of limit seat 16, the positioning protrusion 17 is circularly arrayed and arranged with multiple along the central axis of limit seat 16, the rear end face of water distribution tank 12 directly behind front perforation 15 is connected with the rear extension pipe 18 extending each other, the rear end of the rear extension pipe 18 is sealed and fixedly connected with the rear cover 14, the front end face of the rear cover 14 is protruded and provided with the rear spring seat 19, the rear spring seat 19 is inserted and connected with the thrust spring 10 extending forward.
[0035] A forward-extending water distribution pipe 20 is inserted into the front perforation 15. Multiple water distribution pipes 20 are arranged side by side. The front end of each water distribution pipe 20 is sealed and fixedly connected to a removable front cover 21. A water nozzle 22 is provided through the pipe wall of the water distribution pipe 20. Multiple water nozzles 22 are arranged along the front-rear direction. The outer wall of the water distribution pipe 20 at the water nozzle 22 is set as a concave curved surface. A limiting cone 23 protrudes from the outer wall of the rear part of the water distribution pipe 20 and abuts against the inner wall of the limiting seat 16. A sealing convex ring 24 is provided at the rear edge of the limiting cone 23 and extends radially therefrom. A sealing gasket is fitted on the front face of the sealing convex ring 24 and seals against the rear face of the limiting seat 16. The outer diameter of the sealing convex ring 24 is smaller than the inner diameter of the rear extension pipe 18 so that the water distribution pipe 20 extends from the rear extension pipe 18. The extension tube 18 is inserted into the front through hole 15. The outer wall of the limiting cone 23 is provided with a positioning groove 25 that matches the positioning protrusion 17. Multiple positioning grooves 25 are arranged in a circular array along the central axis of the limiting cone 23 and are matched and inserted into the positioning grooves 25. The rear side wall of the water distribution pipe 20 behind the limiting cone 23 is connected to the water inlet 26. The water inlet 26 is arranged with the 0. facing the main water inlet pipe 11. The size of the water inlet 26 is related to the distance from the water distribution pipe 20 to the main water inlet pipe 11. When the water distribution pipe 20 is far away from the main water inlet pipe 11, the size of the water inlet 26 is increased. When the water distribution pipe 20 is close to the main water inlet pipe 11, the size of the water inlet 26 is decreased. The rear end of the water distribution pipe 20 is closed and a front spring seat 27 for inserting the thrust spring 10 is provided.
[0036] Based on the specific structure of the spray device for a dishwasher in the above embodiments, its usage will be further described below:
[0037] A. Installation:
[0038] Arrange the branch pipes 20 according to the size of the inlet 26, so that the branch pipe 20 with the smaller inlet 26 is placed in the middle, and the branch pipe 20 with the larger inlet 26 is placed in the middle.
[0039] Tube 20 is placed on the outside;
[0040] According to the arrangement order of the water distribution pipes 20, the water distribution pipes 20 are inserted into the front through hole 15 through the rear extension pipe 18 in sequence, and the front cover 21 is sealed and fixed to the front end of the water distribution pipe 20.
[0041] The thrust spring 10 is inserted into the rear spring seat 19 of the rear cover 14, and the rear cover 14 is sealed and fixed to the rear end of the rear extension tube 18. At this time, the front end of the thrust spring 10 is inserted into the front spring seat 27 and abuts against the rear end sealing surface of the water distribution pipe 20. The sealing convex ring 24 is close to the rear end face of the limit seat 16 and clamps the sealing gasket to achieve the sealing between the water distribution tank 12 and the water distribution pipe 20.
[0042] B. Direction Adjustment:
[0043] The rotating water distribution pipe 20 makes the positioning protrusion 17 be clamped into the positioning groove 25 in different positions, so as to realize the rotation of the position of the water outlet 22.
[0044] C, cleaning:
[0045] The front cover 21 at the front end of the water distribution pipe 20 is disassembled, and the inner wall of the water distribution pipe 20 is cleaned.
[0046] The front cover 21 at the front end of the water distribution pipe 20 is disassembled, the rear cover 14 at the rear end of the rear extension pipe 18 is disassembled, the water distribution pipe 20 is taken out from the front perforation 15 and the rear extension pipe 18, and the inner wall of the disassembled water distribution pipe 20 and the inner wall of the water distribution tank 12 are cleaned.
[0047] In summary, only the preferred embodiments of the utility model are described, and the scope of the utility model is not limited. According to the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification. Any equivalent changes and modifications of shape, structure, features and spirit within the scope of the utility model should be included in the scope of the utility model.
Claims
1. A spray device for a dishwasher, comprising: The vertically arranged main water inlet pipe (11) is characterized by: The upper end of the main water inlet pipe (11) is connected to a water distribution tank (12) perpendicular to it, and the water distribution tank (12) is equipped with a thrust spring (10). A forward-extending water distribution pipe (20) is inserted into the water distribution tank (12). The rear end of the water distribution pipe (20) abuts against the thrust spring (10). A water nozzle (22) is provided through the pipe wall of the water distribution pipe (20). The outer wall of the water distribution pipe (20) at the water nozzle (22) is set as a concave curved surface.
2. The spray device for a dishwasher according to claim 1, characterized in that: The water distribution tank (12) is symmetrically provided with fixing seats (13) on the left and right sides, which are fixedly connected to the inner wall of the dishwasher.
3. The spray device for a dishwasher according to claim 1, characterized in that: A front through hole (15) for inserting a water distribution pipe (20) is provided on the front end face of the water distribution tank (12). A limiting seat (16) is provided on the inner wall of the water distribution tank (12) at the edge of the front through hole (15). A positioning protrusion (17) is provided on the inner wall of the limiting seat (16). A rear extension pipe (18) extending from each other is provided on the rear end face of the water distribution tank (12) directly behind the front through hole (15). A rear cover (14) is provided at the rear end of the rear extension pipe (18) and is sealed and fixedly connected. A rear spring seat (19) for inserting a thrust spring (10) is provided on the front end face of the rear cover (14).
4. A spray device for a dishwasher according to claim 3, characterized in that: A limiting cone (23) protrudes from the outer wall of the rear part of the water distribution pipe (20). A sealing ring (24) extending radially is provided at the rear edge of the limiting cone (23). A positioning groove (25) matching the positioning protrusion (17) is provided on the outer wall of the limiting cone (23). An inlet (26) is provided on the rear side wall of the water distribution pipe (20) behind the limiting cone (23). The rear end of the water distribution pipe (20) is closed and a front spring seat (27) for inserting a thrust spring (10) is provided.
5. A spray device for a dishwasher according to claim 4, characterized in that: The front end of the water distribution pipe (20) is sealed and fixedly connected with a removable front cover (21).
6. A spray device for a dishwasher according to claim 4, characterized in that: The inner wall of the limiting seat (16) is inclined and abuts against the limiting cone (23).
7. A spray device for a dishwasher according to claim 4, characterized in that: The outer diameter of the sealing convex ring (24) is smaller than the inner diameter of the rear extension tube (18).
8. A spray device for a dishwasher according to claim 4, characterized in that: The positioning protrusions (17) are provided in multiple ways, and each of them matches the positioning groove (25) after the water distribution pipe (20) is rotated.
9. A spray device for a dishwasher according to claim 4, characterized in that: A sealing gasket is provided at the connection between the rear end face of the limiting seat (16) and the sealing protrusion (24).
10. A spray device for a dishwasher according to claim 4, characterized in that: Multiple water distribution pipes (20) are arranged in parallel; The water nozzles (22) are provided in multiple directions along the front and back; The inlet (26) is positioned facing the main inlet pipe (11).