Novel spraying arm structure of dish washing machine
By adopting a plug-in and interface rotation connection design in the dishwasher spray arm structure, combined with anti-detachment hooks and steps, the problem of uneven rotation of the auxiliary spray arm is solved, achieving smooth water flow and improved spraying effect.
Patent Information
- Application Number
- CN202423032226.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-09
AI Technical Summary
In the existing dishwasher spray arm structure, the secondary spray arm rotates not smoothly enough, resulting in poor spraying effect.
The structure adopts a rotatable connection between the plug and the interface, combined with the design of anti-disengagement hook and step, to ensure that the auxiliary spray arm rotates without obstruction. The fit is improved by the inner ring wall and the plug groove, and the design of elastic hook and boss prevents disengagement, so as to achieve smooth rotation.
The smoothness of the auxiliary spray arm's rotation has been improved, ensuring smooth water flow, preventing water leakage, and enhancing the spraying effect.
Smart Images
Figure CN223695819U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a novel dish-washing machine spray arm structure.
BACKGROUND
[0002] The dish-washing machine is a kind of household appliance with the functions of automatic cleaning and drying, which can meet the needs of most tableware, cups and utensils on the market, and is deeply loved by people due to its high degree of automation and good cleaning quality. In order to improve the cleaning ability and eliminate the dead angle of spraying, a structure of installing a secondary spray arm on a primary spray arm appears on the market, which indirectly increases the spraying area through the secondary spray arm. However, through market practice and user feedback, the secondary spray arm of this type of spray arm is not smooth enough in rotation, resulting in poor spraying effect.
[0003] Therefore, it is necessary to make further improvements.
UTILITARY NEW CONTENT
[0004] The utility model aims at overcoming the above-mentioned problems, and provides a novel dish-washing machine spray arm structure, which can solve the problem of poor rotation smoothness of the secondary spray arm.
[0005] To achieve the above-mentioned purpose, the utility model provides a novel dish-washing machine spray arm structure, which comprises a spray arm seat, a primary spray arm and two secondary spray arms. The bottom of the primary spray arm is provided with a water inlet pipe body, the water inlet pipe body is inserted into the spray arm seat, and the water inlet pipe body can rotate relative to the spray arm seat. The two secondary spray arms are respectively installed on the upper ends of the two sides of the primary spray arm. An interface extending upward is formed on the primary spray arm, a step is arranged on the outer periphery of the connecting end of the interface, the bottom of the secondary spray arm is provided with a socket matched with the interface, the socket is rotationally connected with the interface, and a plurality of anti-unhooking hooks are arranged around the socket at the bottom of the secondary spray arm and connected with the step.
[0006] In one or more embodiments, an inner ring wall is arranged inside the interface, and a plug-in slot is formed between the inner ring wall and the wall body of the interface, and the socket is inserted into the plug-in slot.
[0007] In one or more embodiments, the inner wall of the socket is provided with a convex edge, and the convex edge abuts against the upper end of the inner ring wall.
[0008] In one or more embodiments, the secondary spray arm is provided with three or more anti-unhooking hooks, and the anti-unhooking hooks are elastic anti-unhooking hooks.
[0009] In one or more embodiments, the spray arm seat is provided with a connecting pipe for inserting the water inlet pipe body, the inner wall of the connecting pipe is provided with an annular convex step, the middle part of the annular convex step forms a water passing hole, and the bottom end of the water inlet pipe body abuts against the upper end surface of the annular step.
[0010] In one or more embodiments, the main spray arm is provided with a plurality of elastic hooks around the water inlet pipe body, the outer periphery of the connecting pipe is provided with a boss, and the elastic hooks are clamped with the boss to prevent the main spray arm from being separated from the spray arm seat, and the bottom surface of the boss is a slope inclined downward from outside to inside.
[0011] In one or more embodiments, the upper end surface of the boss is a slope inclined upward from outside to inside.
[0012] Compared with the background art, the effect of the present utility model is that the waterway is conducted by the butt joint of the socket and the interface, and the secondary spray arm is connected with the step on the interface by the anti-disengagement hook, which plays the anti-disengagement role but does not limit the rotation, ensures the smooth rotation of the socket and the interface, and makes the secondary spray arm rotate smoothly. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 FIG. 1 is a structural schematic view of a spray arm seat, a main spray arm and a secondary spray arm of the present embodiment;
[0014] Fig. 2 FIG. 3 is an enlarged view of a cross section of the socket and the interface of the present embodiment;
[0015] Fig. 3 FIG. 4 is an enlarged view of a cross section of the connection between the main spray arm and the spray arm seat of the present embodiment. DETAILED DESCRIPTION
[0016] This part will describe the specific embodiments of the present utility model in detail, and the preferred embodiments of the present utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.
[0017] Referring to the drawings Figs. 1-3The application provides a novel dishwasher spray arm structure, which comprises a spray arm base 1, a main spray arm 2 and two auxiliary spray arms 3, the bottom of the main spray arm 2 is provided with a water inlet pipe body 4, the water inlet pipe body is inserted into the spray arm base 1, the water inlet pipe body can rotate relative to the spray arm base 1, that is, the main spray arm can rotate relative to the spray arm base, the two auxiliary spray arms 3 are respectively installed on the upper ends of the two sides of the main spray arm 2, the main spray arm is provided with an upward extending interface 5, the outer periphery of the connecting end of the interface is provided with a step 51, the bottom of the auxiliary spray arm is provided with a socket 6 which is connected with the interface, the socket is rotatably connected with the interface, that is, the auxiliary spray arm can rotate relative to the main spray arm, the bottom of the auxiliary spray arm is provided with a plurality of anti-unhooking hooks 7 which are arranged around the socket, the anti-unhooking hooks are connected with the step 51, the water path is communicated through the connection of the socket and the interface, and the auxiliary connection through the plurality of anti-unhooking hooks can prevent the auxiliary spray arm from being separated from the main spray arm, preferably, the auxiliary spray arm 3 is provided with three or more anti-unhooking hooks 7, the anti-unhooking hooks are elastic anti-unhooking hooks, under the condition that the auxiliary spray arm can rotate relative to the main spray arm, after the water source of the main spray arm enters the auxiliary spray arm, the auxiliary spray arm rotates under the impact of the water flow and sprays outward.
[0018] The interface 5 is internally provided with an inner ring wall 8, the inner ring wall and the wall body of the interface form an insertion slot 9, the socket 6 is inserted into the insertion slot, the insertion slot can improve the matching degree of the interface and the socket, reduce the occurrence of water leakage and improve the smoothness when the auxiliary spray arm rotates.
[0019] The inner wall of the socket 6 is provided with a convex edge 10, the convex edge is in abutment with the upper end of the inner ring wall 8, the connection of the socket and the interface is positioned, and the excessive installation of the socket is avoided to affect the rotation.
[0020] The spray arm base 1 is provided with a connecting pipe 11 for inserting the water inlet pipe body 4, the inner wall of the connecting pipe is provided with an annular convex step 12, the middle part of the annular convex step forms a water passing hole 13, the bottom end of the water inlet pipe body 4 is in abutment with the upper end surface of the annular step, the annular step limits the position of the water inlet pipe body inserted into the connecting pipe, and the excessive deep insertion of the water inlet pipe body is avoided to affect the rotation smoothness of the main spray arm.
[0021] The main spray arm 2 is provided with a plurality of elastic clamping hooks 14 around the water inlet pipe body, the outer periphery of the connecting pipe is provided with a convex table 15, the elastic clamping hooks are clamped with the convex table to prevent the main spray arm from being separated from the spray arm base, the bottom surface 151 of the convex table is an inclined surface which is inclined downward from outside to inside, which is helpful to reduce the contact area of the elastic clamping hooks and the convex table, avoid affecting the rotation of the main spray arm, and facilitate the guiding effect when the main spray arm is disassembled; the upper end surface 152 of the convex table 15 is an inclined surface which is inclined upward from outside to inside, which is convenient for guiding when the main spray arm is installed.
[0022] The above merely describes preferred embodiments of the present application, and the protection scope of the present application is not limited to the above embodiments, but any equivalent modification or change made by those skilled in the art according to the disclosed content of the present application shall be included in the protection scope recorded in the claims.
Claims
1. A novel dishwasher spray arm structure, characterized in that: It includes a spray arm base (1), a main spray arm (2) and two auxiliary spray arms (3). The bottom of the main spray arm (2) is provided with a water inlet pipe (4), which is inserted into the spray arm base (1) and can rotate relative to the spray arm base (1). The two auxiliary spray arms (3) are respectively installed on the upper sides of the main spray arm (2). The main spray arm has an upwardly extending interface (5), and the outer periphery of the connection end of the interface is provided with a step (51). The bottom of the auxiliary spray arm has a socket (6) that connects to the interface. The socket is rotatably connected to the interface. The bottom of the auxiliary spray arm is provided with several anti-disengagement hooks (7) around the socket. The anti-disengagement hooks are connected to the step (51).
2. The novel dishwasher spray arm structure according to claim 1, characterized in that: The interface (5) has an inner ring wall (8) inside, and a plug groove (9) is formed between the inner ring wall and the wall of the interface, and the plug (6) is inserted into the plug groove.
3. The novel dishwasher spray arm structure according to claim 2, characterized in that: The inner wall of the socket (6) is provided with a protruding edge (10), which abuts against the upper end of the inner ring wall (8).
4. The novel dishwasher spray arm structure according to claim 1, characterized in that: The auxiliary spray arm (3) is provided with three or more anti-detachment hooks (7), and the anti-detachment hooks are elastic anti-detachment hooks.
5. A novel dishwasher spray arm structure according to any one of claims 1-4, characterized in that: The spray arm seat (1) has a connecting pipe (11) for the water inlet pipe body (4) to be inserted. The inner wall of the connecting pipe is provided with an annular protrusion (12), and a water passage hole (13) is formed in the middle of the annular protrusion. The bottom end of the water inlet pipe body (4) abuts against the upper end face of the annular step.
6. A novel dishwasher spray arm structure according to claim 5, characterized in that: The main spray arm (2) is provided with multiple elastic hooks (14) around the water inlet pipe body, and a boss (15) is provided on the outer periphery of the connecting pipe. The elastic hooks are engaged with the boss to prevent the main spray arm from detaching from the spray arm seat. The bottom surface (151) of the boss is a downward sloping surface from the outside to the inside.
7. A novel dishwasher spray arm structure according to claim 6, characterized in that: The upper end face (152) of the boss (15) is an inclined surface that slopes upward from the outside to the inside.