Low-water-resistance reversing spraying arm

Abstract

The utility model discloses a low water resistance reversing gushing arm which comprises a gushing arm body, a floating shunt valve plate, a reversing guide seat and a fixing cover, a containing opening is formed in the center of the bottom of the gushing arm body, and the floating shunt valve plate is located in the containing opening. An upper reversing driving mechanism for driving the floating shunt valve plate to rotate by a preset angle when the floating shunt valve plate floats upwards is arranged in the containing opening, the fixing cover is installed at the bottom of the spraying arm body and covers the containing opening, and the reversing guide seat is located in the fixing cover. The reversing guide seat is provided with a lower reversing driving mechanism for driving the floating shunt valve plate to rotate by a preset angle when the floating shunt valve plate falls down, the reversing guide seat comprises at least two support arms extending outwards, the end parts of the support arms are connected to the inner wall of the fixed cover, and a gap is formed between the bottom of the reversing guide seat and the inner wall of the fixed cover. Water resistance in the fixing cover can be effectively reduced, and therefore the water supply flow of the spraying arm is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dish washer spray arm especially relates to a low water resistance commutating spray arm. BACKGROUND

[0002] The dish washer needs to utilize the rotating spray arm to spray water to tableware during the working process, at present, the spray arm of some dish washers is the structure of automatic commutation, that is, the water spraying direction of the spray arm changes every time when water is supplied to the spray arm, the relevant structural principle please refer to the Chinese patent publication document with the publication number CN118216854A and the name "a dish washer automatic commutation spray arm", wherein it is recorded: "the floating water distribution valve piece 3 falls back to the bottom of the fixed cover 4, in the falling process of the floating water distribution valve piece 3, the fourth wedge-shaped arc piece 40 is in contact with the third wedge-shaped arc piece 32 and slides relative to each other, and then drives the floating water distribution valve piece 3 to rotate again in the set direction by the preset degree", this kind of structure is to use the wedge-shaped arc piece in the fixed cover to exert the oblique resistance to the falling floating water distribution valve piece, so that the floating water distribution valve piece rotates by the preset angle, but since the wedge-shaped arc piece and the fixed cover are the structure of integral molding, so when the water enters the fixed cover through the water inlet pipe head, these wedge-shaped arc pieces will form resistance to water, thereby causing the water resistance to increase, finally the water quantity flowing into the spray arm flow channel decreases, and then the washing effect of the dish washer is adversely affected. SUMMARY

[0003] The utility model wants to solve the technical problem in view of prior art's insufficient, provides a kind of commutation spray arm that can reduce the water resistance inside fixed cover, can improve the water flow of spray arm.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme.

[0005] A kind of low water resistance commutation spray arm, it includes spray arm main body, floating water distribution valve piece, commutation guide seat and fixed cover, the bottom center of the spray arm main body is equipped with containing mouth, the floating water distribution valve piece is located in the containing mouth, the containing mouth is equipped with when the floating water distribution valve piece is floated and drives the floating water distribution valve piece to rotate the upper commutation drive mechanism of preset angle, the fixed cover is installed in the bottom of the spray arm main body, and the fixed cover covers the containing mouth, the commutation guide seat is located in the fixed cover, the commutation guide seat is equipped with when the floating water distribution valve piece falls and drives the floating water distribution valve piece to rotate the lower commutation drive mechanism of preset angle, the commutation guide seat includes at least two outwardly extending support arms, the end of the support arm is connected to the inner wall of the fixed cover, and the bottom of the commutation guide seat and the inner wall of the fixed cover have a gap.

[0006] Preferably, the commutation guide seat includes three support arms, and the three support arms are evenly distributed along the circumference of the commutation guide seat.

[0007] Preferably, the end of the branch arm is formed with a buckle, the inner wall of the fixed cover is formed with three sockets, the branch arm corresponds to the socket one by one, and the buckle is clamped in the socket.

[0008] Preferably, the edge of the accommodating opening is formed with a flange, the outer side of the flange is formed with a plurality of locking grooves, the inner side of the edge of the fixed cover is formed with a plurality of locking buckles, the locking buckles correspond to the locking grooves one by one, and the locking buckles are clamped in the locking grooves.

[0009] Preferably, a sealing ring is clamped between the fixed cover and the flange.

[0010] Preferably, a spray arm branch pipe is arranged, the end of the spray arm branch pipe is provided with a vertical pipe joint, the vertical pipe joint penetrates the center of the spray arm body and extends into the fixed cover, the floating water distribution valve piece and the reversing guide base are sleeved on the outer side of the vertical pipe joint, and the spray arm body, the floating water distribution valve piece and the reversing guide base are rotationally connected to the vertical pipe joint.

[0011] In the low water resistance reversing spray arm, the floating water distribution valve piece is movably installed in the accommodating opening at the center of the bottom of the spray arm body, the fixed cover is arranged at the edge of the accommodating opening, the reversing guide base is fixed to the inner side of the fixed cover, when the floating water distribution valve piece floats up, the upper reversing driving mechanism drives the floating water distribution valve piece to rotate by a preset angle, when the floating water distribution valve piece falls down, the lower reversing driving mechanism drives the floating water distribution valve piece to continue to rotate by a preset angle, the reversing guide base is connected to the inner wall of the fixed cover through the outwardly extending branch arm, and a gap is arranged between the bottom of the reversing guide base and the inner wall of the fixed cover, so that the water entering the fixed cover is not blocked by the reversing guide base, the internal water resistance of the fixed cover is reduced, the water supply flow of the spray arm is effectively improved, and the washing effect of the dishwasher is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a low water resistance reversing spray arm exploded view of the utility model;

[0013] Figure 2 It is a structure view of the floating water distribution valve piece, the reversing guide base and the fixed cover;

[0014] Figure 3 It is a structure view of the reversing guide base and the fixed cover after assembly;

[0015] Figure 4 It is a sectional view of the low water resistance reversing spray arm of the utility model. DETAILED DESCRIPTION

[0016] The utility model discloses make more detailed description to the utility model below combining with the drawing and example.

[0017] The utility model discloses a low water resistance commutating spray arm combines Figures 1 to 4 As shown in the figure, it comprises a spray arm body 1, a floating water distribution valve piece 2, a commutating guide base 3 and a fixed cover 4, the bottom center of the spray arm body 1 is provided with a containing opening 10, the floating water distribution valve piece 2 is located in the containing opening 10, an upper commutating driving mechanism 11 for driving the floating water distribution valve piece 2 to rotate a preset angle when the floating water distribution valve piece 2 floats is arranged in the containing opening 10, the fixed cover 4 is installed on the bottom of the spray arm body 1, and the fixed cover 4 covers the containing opening 10, the commutating guide base 3 is located in the fixed cover 4, a lower commutating driving mechanism 31 for driving the floating water distribution valve piece 2 to rotate a preset angle when the floating water distribution valve piece 2 falls is arranged on the commutating guide base 3, the commutating guide base 3 comprises at least two outwardly extending supporting arms 30, the end of the supporting arm 30 is connected to the inner wall of the fixed cover 4, and a gap 5 is formed between the bottom of the commutating guide base 3 and the inner wall of the fixed cover 4.

[0018] In the above structure, the floating water distribution valve piece 2 is movably installed in the containing opening 10 at the bottom center of the spray arm body 1, the fixed cover 4 is arranged on the edge of the containing opening 10, and the commutating guide base 3 is fixed to the inner side of the fixed cover 4, when the floating water distribution valve piece 2 floats, the upper commutating driving mechanism 11 is used to drive the floating water distribution valve piece 2 to rotate a preset angle, when the floating water distribution valve piece 2 falls, the lower commutating driving mechanism 31 is used to drive the floating water distribution valve piece 2 to continue rotating a preset angle, since the commutating guide base 3 is connected to the inner wall of the fixed cover 4 through the outwardly extending supporting arms 30, and the gap 5 is arranged between the bottom of the commutating guide base 3 and the inner wall of the fixed cover 4, the water entering the fixed cover 4 is not blocked by the commutating guide base 3, thereby reducing the internal water resistance of the fixed cover 4, effectively improving the water supply flow of the spray arm, and further improving the washing effect of the dishwasher.

[0019] To realize reliable fixing, in the embodiment, the commutating guide base 3 comprises three supporting arms 30, and the three supporting arms 30 are uniformly distributed along the circumference of the commutating guide base 3.

[0020] Further, the end of the supporting arm 30 is formed with a buckle 32, the inner wall of the fixed cover 4 is formed with three clamping seats 40, the supporting arm 30 corresponds to the clamping seat 40 one by one, and the buckle 32 is clamped in the clamping seat 40.

[0021] In the above structure, based on the clamping and matching relationship between the buckle 32 and the clamping seat 40, the commutating guide base 3 can be reliably fixed, and the commutating guide base 3 can avoid hindering the water flow.

[0022] Regarding the preferred installation mode of the fixed cover 4 and the edge of the accommodating opening 10, in combination with Figure 1 and Figure 2 As shown in the figure, in the embodiment, the edge of the accommodating opening 10 is formed with a flange 12, the outer side of the flange 12 is formed with a plurality of locking grooves 13, the inner side of the edge of the fixed cover 4 is formed with a plurality of locking buckles 41, the locking buckles 41 correspond to the locking grooves 13 one by one, and the locking buckles 41 are clamped into the locking grooves 13.

[0023] In actual application, the fixed cover 4 can be sleeved on the outer side of the flange 12, and then the fixed cover 4 is screwed until the locking buckles 41 are clamped into the locking grooves 13 to complete the locking. In order to play a sealing role between the two, in the embodiment, a sealing ring is clamped between the fixed cover 4 and the flange 12.

[0024] Further, the embodiment includes a spray arm branch pipe 6, the end of the spray arm branch pipe 6 is provided with a vertical pipe joint 7, the vertical pipe joint 7 penetrates through the center of the spray arm body 1 and extends into the fixed cover 4, the floating water distribution valve piece 2 and the reversing guide seat 3 are sleeved on the outer side of the vertical pipe joint 7, and the spray arm body 1, the floating water distribution valve piece 2 and the reversing guide seat 3 are all rotationally connected to the vertical pipe joint 7.

[0025] In the embodiment, as Figures 1 to 3 shown, the upper reversing drive mechanism 11, the lower reversing drive mechanism 31 and the matching mechanisms on the upper and lower sides of the floating water distribution valve piece 2 can all be provided as wedge-shaped arc pieces, when the floating water distribution valve piece 2 moves up and down based on the buoyancy, the rotation drive is realized based on the abutting cooperation of the upper and lower wedge-shaped arc pieces, and this part of principle is prior art, and the embodiment will not be repeated here.

[0026] The above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, and the modification, equivalent replacement or improvement made within the technical range of the utility model should be included in the range protected by the utility model.

Claims

1. A low water blocking commutating jet arm characterized by, The utility model relates to a shower arm, including the spray arm body (1), the floating water distribution valve piece (2), the reversing guide seat (3) and the fixed cover (4), the bottom center of the spray arm body (1) is equipped with the accommodation mouth (10), the floating water distribution valve piece (2) is located in the accommodation mouth (10), be equipped with when the floating water distribution valve piece (2) is floated and drives this floating water distribution valve piece (2) rotates the preset angle upper reversing drive mechanism (11) in the accommodation mouth (10), the fixed cover (4) is installed in the bottom of the spray arm body (1), and the fixed cover (4) covers the accommodation mouth (10), the reversing guide seat (3) is located in the fixed cover (4), be equipped with when the floating water distribution valve piece (2) falls and drives this floating water distribution valve piece (2) rotates the preset angle lower reversing drive mechanism (31) on the reversing guide seat (3), the reversing guide seat (3) includes at least two outwardly extending branch arms (30), the end of the branch arm (30) is connected to the inner wall of the fixed cover (4), and the bottom of the reversing guide seat (3) has a gap (5) with the inner wall of the fixed cover (4).

2. The low water block reversing jet arm of claim 1, wherein, The reversing guide seat (3) includes three branch arms (30), and the three branch arms (30) are uniformly distributed along the circumference of the reversing guide seat (3).

3. The low water block reversing jet arm of claim 2, wherein, The end of the branch arm (30) is formed with a buckle (32), the inner wall of the fixed cover (4) is formed with three card seats (40), the branch arm (30) corresponds to the card seat (40) one by one, and the buckle (32) is clamped in the card seat (40).

4. The low water block reversing jet arm of claim 1 wherein, The edge of the accommodation mouth (10) is formed with a flange (12), the outer side of the flange (12) is formed with a plurality of locking grooves (13), the inner side of the edge of the fixed cover (4) is formed with a plurality of locking buckles (41), the locking buckle (41) corresponds to the locking groove (13) one by one, and the locking buckle (41) is clamped into the locking groove (13).

5. The low water block reversing jet arm of claim 4, wherein, A sealing ring is clamped between the fixed cover (4) and the flange (12).

6. The low water block reversing jet arm of claim 1 wherein, The utility model relates to a shower arm, including the spray arm branch pipe (6), the end of the spray arm branch pipe (6) is equipped with the standpipe joint (7), the standpipe joint (7) passes through the center of the spray arm body (1) and extends to the fixed cover (4) inside, the floating water distribution valve piece (2) and the reversing guide seat (3) are all set up on the outside of the standpipe joint (7), and the spray arm body (1), the floating water distribution valve piece (2) and the reversing guide seat (3) are all rotationally connected to the standpipe joint (7).

Images