CN219081908U

CN219081908U - Volute structure convenient to assemble and open water pump and cleaning machine

Info

Publication number: CN219081908U
Application number: CN202222667507.5U
Authority: CN
Inventors: 施郑赞; 韩健健; 魏本柱; 张昌海; 姜勇
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-05-26
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a volute structure convenient to assemble, an open water pump and a cleaning machine, wherein the volute structure comprises a volute body and a volute upper cover, the volute body is provided with a side wall and a bottom wall which can enclose a water drain cavity, the volute upper cover is detachably connected to the top opening of the volute body, the volute upper cover is in locking connection with the side wall of the volute body through a limiting structure, and a sealing piece for preventing water leakage is arranged between the lower surface of the volute upper cover and the top edge of the side wall of the volute body. The volute body is detachably connected with the volute upper cover through the limiting structure, so that water drawing components such as an impeller and the like can be conveniently installed in the volute, and convenience is provided for the installation of the water pump; the water pressure in the volute is high, and particularly for the volute structure with the water outlet arranged on the upper cover of the volute, the water pressure at the top of the volute is high.

Description

Volute structure convenient to assemble and open water pump and cleaning machine

Technical Field

The utility model relates to a dish washer, in particular to a volute structure convenient to assemble, an open water pump and a cleaning machine.

Background

With the improvement of living standard of people, dish washers are becoming common equipment in kitchens.

The water flow system in the current dish washer is mainly of an open type and a closed type, a water pump main body of the open type water flow system is arranged in the washing cavity and is directly communicated with the washing cavity, and a water pump of the closed type water flow system is arranged outside the washing cavity and is communicated with the washing cavity through a pipeline. The open water flow system is beneficial to reducing the energy loss of the fluid due to shortening the return water stroke, and has great advantages in the aspect of the performance of the water pump.

The utility model provides a preceding patent ZL 201310749864.9 "basin formula cleaning machine" of this applicant discloses a cleaning machine that adopts open rivers system, and it includes the box that forms the washing space, and the box includes the basin body, and the basin body is at least at the central part indent, and the position of indent is last to be covered with the waterlogging caused by excessive rainfall board the same with recess position shape, has offered a plurality of waterlogging caused by excessive rainfall holes that are used for the waterlogging caused by excessive rainfall on the waterlogging caused by excessive rainfall board, and the space between position and the waterlogging caused by excessive rainfall board forms the waterlogging caused by excessive rainfall district, and the waterlogging caused by excessive rainfall board flushes with other positions in basin body bottom, is equipped with the water pump that discharges this waterlogging caused by excessive rainfall district to the waterlogging caused by excessive rainfall board top in the waterlogging caused by excessive rainfall district.

The structure sets up the water pump in the waterlogging caused by excessive rainfall region of basin body, and is effectual to the moisturizing of water pump. However, since the shower is supported in the draining area by the guide seat, there is an assembly gap between the shower and the guide seat and the assembly gap is arranged corresponding to the outer side of the water drawing impeller, and since the pressure is large there, drainage is liable to occur. If the impeller is arranged in the relatively closed water pump volute, the volute needs to be provided with an assembly structure which is convenient for the installation of the impeller, so that the problem of water leakage of the volute is easy to occur, and the water pressure of output water flow is difficult to ensure.

Disclosure of Invention

The first technical problem to be solved by the utility model is to provide a volute structure which is convenient to install, can improve the sealing performance, thereby avoiding the water discharge problem and improving the water pressure of the discharged water and is convenient to assemble.

The second technical problem to be solved by the utility model is to provide an open water pump with the volute structure aiming at the current state of the art.

The second technical problem to be solved by the utility model is to provide a cleaning machine with the open water pump aiming at the current state of the art.

The utility model solves at least one of the technical problems by adopting the following technical proposal:

the utility model provides a spiral case structure convenient to assembly, includes spiral case body and spiral case upper cover, the spiral case body has lateral wall and the diapire that can enclose out the drain chamber, spiral case upper cover detachably connects in the open department in top of spiral case body, through limit structure locking connection between spiral case upper cover and the lateral wall of spiral case body, be provided with the sealing member that is used for preventing the drainage between the lower surface of spiral case upper cover and the top edge of spiral case body's lateral wall.

The volute body and the volute upper cover are detachably connected through the limiting structure, so that water drawing components such as the impeller and the like can be conveniently installed in the volute, and convenience is provided for the installation of the water pump; the water pressure in the volute is high, and particularly for the volute structure with the water outlet arranged on the upper cover of the volute, the water pressure at the top of the volute is high.

Preferably, the edge of spiral case upper cover is provided with along circumference and downwardly extending's first surrounding edge, the lower surface of spiral case upper cover is provided with and is close to along circumference and be close to the second surrounding edge that this first surrounding edge arranged, enclose between first surrounding edge and the second surrounding edge and close out the assembly groove, the top edge of spiral case body is inserted with this assembly groove and is connected. The structure is convenient for provide installation space for the sealing element and the limiting structure, and the sealing element and the limiting structure are arranged in the assembly groove, so that the compactness and the sealing reliability of the assembly structure are improved.

Preferably, the sealing member is arranged between the upper surface of the volute body and the outer surface of the second surrounding edge and is in interference fit with the upper surface of the volute body and the outer surface of the second surrounding edge. Preferably, the top of the volute body expands outwardly near the top edge to form a stand, and a mounting groove for receiving the seal therein is formed between the volute body portion above the stand and the second peripheral edge. The above structure is advantageous in improving the sealing property.

Preferably, the upper part of the inner side wall of the mounting groove is provided with a first inclined surface which gradually inclines outwards from bottom to top, and the sealing element is conveniently placed at the supporting table. The middle part of the supporting platform is provided with a second inclined plane which gradually extends into the volute body from top to bottom. The second inclined plane is convenient for downwards guiding the accumulated water at the installation groove into the volute casing on one hand, and is convenient for downwards inserting the second surrounding edge on the other hand.

Preferably, the edge of the upper cover of the volute is provided with a first peripheral edge which is arranged along the circumferential direction and extends downwards, the outer peripheral wall of the volute body is provided with an L-shaped clamping piece, the transverse part of the clamping piece extends along the circumferential direction of the top edge of the volute body, the vertical part of the clamping piece is positioned below the transverse part, and correspondingly, the inner peripheral wall of the first peripheral edge is provided with a convex clamp which can slide into the clamping piece along with the relative rotation of the volute body and the upper cover of the volute. The clamping piece and the convex clamp jointly form the limiting structure, and the structure is convenient for realizing the locking limiting of the volute upper cover and the volute body through rotation.

In order to facilitate assembly, a limiting protrusion is arranged in the middle of the lower surface of the transverse part of the clamping piece, and an arc surface structure which can be in sliding friction fit with the limiting protrusion is formed on the upper surface of the protruding clamp. The part of the transverse part of the clamping piece gradually inclines outwards and upwards from the limiting bulge to form a abdication structure for the convex card to enter.

Preferably, an anti-drop structure which can be in guide fit in the assembly process and prevent the volute body and the volute upper cover from being separated in the assembled state is further arranged between the volute body and the volute upper cover. The structure is beneficial to further improving the reliability of the assembled volute structure.

Further preferably, an elastic rib inclined from top to bottom against rotation is arranged on the peripheral wall of the upper cover of the volute, the upper end of the elastic rib is connected with the upper cover of the volute, the lower end of the elastic rib is a free end, correspondingly, a convex rib extending vertically is arranged on the peripheral wall of the volute body, the lower surface of the elastic rib is in sliding fit with the upper surface of the convex rib in the rotation assembly process of the upper cover of the volute and the volute body, and the lower end of the elastic rib abuts against the side surface of the convex rib in the assembly completion state.

The open water pump comprises the volute structure, wherein a water suction port is formed in the bottom wall of the volute body, and a first water outlet is formed in an upper cover of the volute. The side wall of the volute body is provided with a second water outlet and a water outlet pipe section tangentially connected with the second water outlet.

The cleaning machine comprises a box body, a spraying piece arranged on the box body, a concave backwater area arranged at the bottom of the box body, the open water pump, a volute structure arranged in the backwater area, a bottom wall arranged close to the bottom of the backwater area, and a first water outlet for supplying water to the spraying piece arranged at the bottom of the box body; the second water outlet supplies water for the spraying piece positioned at the upper part of the box body.

Compared with the prior art, the utility model has the advantages that: the volute body and the volute upper cover are detachably connected through the limiting structure, so that water drawing components such as the impeller and the like can be conveniently installed in the volute, and convenience is provided for the installation of the water pump; the water pressure in the volute is high, and particularly for the volute structure with the water outlet arranged on the upper cover of the volute, the water pressure at the top of the volute is high.

Drawings

FIG. 1 is a schematic view of a volute structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the upper cover of the scroll casing according to the embodiment of the present utility model;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is an exploded view of FIG. 1;

fig. 6 is an assembly diagram of the volute body and the volute upper cover in the embodiment of the utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 6, the volute structure of the present embodiment, which is convenient to assemble, includes a volute body 1 and a volute upper cover 2, the volute body 1 has a side wall 101 and a bottom wall 102 that can enclose a water drain cavity 10, the volute upper cover 2 is detachably connected to a top opening 103 of the volute body 1, the volute upper cover 2 is locked and connected with the side wall 101 of the volute body 1 through a limit structure, and a sealing member 3 for preventing water leakage is provided between the lower surface of the volute upper cover 2 and the top edge of the side wall of the volute body 1.

The volute body 1 and the volute upper cover 2 are detachably connected through the limiting structure, so that water drawing components such as impellers and the like can be conveniently installed in the volute, and convenience is provided for the installation of a water pump; the water pressure in the volute is higher, especially for the volute structure of the embodiment that the water outlet is opened in the volute upper cover 2, the water pressure at the top of the volute is higher, and the volute body 1 and the volute upper cover 2 of the embodiment are in sealing connection through the sealing piece 3, so that the connection tightness is improved, the water leakage is prevented, and the water pressure of the water outlet is improved.

In this embodiment, the edge of the upper cover 2 is provided with a first peripheral edge 21 that is arranged along the circumferential direction and extends downward, the lower surface of the upper cover 2 is provided with a second peripheral edge 22 that is arranged near the first peripheral edge 21 along the circumferential direction, an assembly groove 23 is enclosed between the first peripheral edge 21 and the second peripheral edge 22, and the top edge of the volute body 1 is connected with the assembly groove 23 in an insertion manner. This structure is convenient for provide installation space for sealing member 3 and limit structure, and all sets up sealing member 3 and limit structure in assembly groove 23, is favorable to improving assembly structure's compactness and sealing reliability.

The sealing member 3 may be a rubber ring, and is disposed between the upper surface of the volute body 1 and the outer surface of the second peripheral edge 22 and in interference fit with the two. The top of the volute body 1 is expanded outwards near the top edge to form a supporting table 11, and a mounting groove 12 for accommodating a sealing element is formed between the part of the volute body 1 above the supporting table 11 and the second surrounding edge 22, so that the sealing performance is improved. The upper portion of the inner side wall of the mounting groove 12 is formed with a first inclined surface 121 inclined gradually outwardly from bottom to top, and the first inclined surface 121 is provided to facilitate the placement of the sealing member 3 at the stage 11. The middle part of the supporting table 11 is formed with a second inclined surface 13 which gradually extends into the volute casing body 1 from top to bottom, and the second inclined surface 13 is convenient for guiding the accumulated water at the mounting groove 12 downwards into the volute casing on one hand, and for inserting the second surrounding edge 22 downwards on the other hand.

The outer peripheral wall of the volute body 1 is provided with an L-shaped clamping member 14, a transverse portion 141 of the clamping member 14 extends circumferentially along the top edge of the volute body 1, a vertical portion 142 of the clamping member 14 is located below the transverse portion 141, and correspondingly, the inner peripheral wall of the first peripheral edge 21 is provided with a protruding clip 24 capable of sliding into the clamping member 14 along with the relative rotation of the volute body 1 and the volute upper cover 2. The clamping piece 14 and the protruding card 24 together form a limiting structure of the embodiment, and the limiting structure facilitates the locking and limiting of the volute casing upper cover 2 and the volute casing body 1 through rotation.

For easy assembly, a limiting protrusion 143 is provided in the middle of the lower surface of the lateral portion 141 of the clamping member 14, and the upper surface of the cam 24 forms an arc surface structure 241 capable of sliding friction fit with the limiting protrusion 143. The partial self-limiting projection 143 of the lateral portion 142 of the clip 14 gradually slopes outwardly and upwardly to form a relief structure 144 for entry of the male card 24.

The volute body 1 and the volute upper cover 2 of the embodiment are further provided with an anti-drop structure which can be in guide fit in the assembly process and prevent the volute body and the volute upper cover from being separated in the assembled state, and the structure is beneficial to further improving the reliability of the assembled volute structure. The outer peripheral wall of the volute casing upper cover 2 is provided with an elastic rib 25 which inclines from top to bottom against rotation of the spiral casing upper cover 2, the upper end of the elastic rib 25 is connected with the volute casing upper cover 2, the lower end of the elastic rib is a free end, correspondingly, the outer peripheral wall of the volute casing body 1 is provided with a convex rib 15 which extends vertically, the lower surface of the elastic rib 25 is in sliding fit with the upper surface of the convex rib 15 in the rotation assembly process of the volute casing upper cover 2 and the volute casing body 1, and the lower end of the elastic rib 25 abuts against the side surface of the convex rib 15 in the assembled state. The elastic rib 25 and the convex rib 15 together form an anti-falling structure.

The open water pump of this embodiment includes the above-mentioned spiral case structure, opens on the diapire of spiral case body 1 has water sucking mouth 16, opens on spiral case upper cover 2 and has first delivery port 26. The side wall of the volute body 1 is provided with a second water outlet 17 and a water outlet pipe section 18 tangentially connected with the second water outlet 17. The open water pump of this embodiment may be provided with a water drawing impeller, a water diversion part, etc. in the inner cavity of the volute, so as to better divide the water flow into two paths of the water flow to the first water outlet 26 and the second water outlet 17.

The cleaning machine of this embodiment includes box, bottom water spray and top water spray, and the box bottom is provided with the return water region of indent, and top water spray, bottom water spray are located on the return water region and upper and lower interval arrangement, still include above-mentioned open water pump, and volute structure locates in the return water region and diapire press close to return water region bottom and arrange, and first delivery port 26 is used for being located bottom water spray water supply, and second delivery port 17 is used for supplying water for top water spray.

In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

Claims

1. The utility model provides a spiral case structure convenient to assembly which characterized in that: including spiral case body (1) and spiral case upper cover (2), spiral case body (1) have can enclose lateral wall (101) and diapire (102) that close out drain cavity (10), spiral case upper cover (2) detachably connect in the open (103) department in top of spiral case body (1), be connected through limit structure locking between spiral case upper cover (2) and spiral case body (1) lateral wall, be provided with between the top edge of spiral case upper cover (2)'s lower surface and spiral case body (1) lateral wall sealing member (3) that are used for preventing the drainage.

2. The easy-to-assemble volute structure of claim 1, wherein: the edge of spiral case upper cover (2) is provided with along circumference and downwardly extending's first surrounding edge (21), the lower surface of spiral case upper cover (2) is provided with and is close to along circumference and be close to second surrounding edge (22) that this first surrounding edge (21) arranged, enclose between first surrounding edge (21) and second surrounding edge (22) and close out assembly groove (23), the top edge of spiral case body (1) is inserted mutually and is joined in marriage with this assembly groove (23).

3. The easy-to-assemble volute structure of claim 2, wherein: the sealing piece (3) is arranged between the upper surface of the volute body (1) and the outer surface of the second surrounding edge (22) and is in interference fit with the upper surface and the outer surface.

4. A volute construction for easy assembly according to claim 3, wherein: the top of the volute body (1) is outwards expanded near the top edge to form a supporting table (11), and a mounting groove (12) for accommodating the sealing element (3) is formed between the part of the volute body (1) above the supporting table (11) and the second surrounding edge (22).

5. The easy-to-assemble volute structure of claim 4, wherein: the upper part of the inner side wall of the mounting groove (12) is provided with a first inclined surface (121) which gradually inclines outwards from bottom to top.

6. The easy-to-assemble volute structure of claim 4, wherein: the middle part of the supporting table (11) is provided with a second inclined plane (13) which gradually extends into the volute body (1) from top to bottom.

7. The assembly-facilitated volute structure of any one of claims 1-6, wherein: the edge of spiral case upper cover (2) is provided with along circumference arrangement and downwardly extending's first surrounding edge (21), the outer peripheral wall of spiral case body (1) is provided with joint spare (14) of L shape, and the top edge circumference of spiral case body (1) is followed to transverse part (141) of this joint spare (14) extends, and vertical portion (142) of this joint spare (14) are located under transverse part (141), and correspondingly, be provided with on the inner peripheral wall of first surrounding edge (21) and can follow spiral case body (1) and spiral case upper cover (2) relative rotation and slide protruding card (24) among joint spare (14).

8. The easy-to-assemble volute structure of claim 7, wherein: limiting protrusions (143) are arranged in the middle of the lower surface of the transverse portion (141) of the clamping piece (14), and an arc surface structure (241) which can be in sliding friction fit with the limiting protrusions (143) is formed on the upper surface of the protruding card (24).

9. The easy-to-assemble volute structure of claim 8, wherein: the part of the transverse part (141) of the clamping piece (14) gradually inclines outwards and upwards from the limiting bulge (143) to form a yielding structure (144) for the convex card (24) to enter.

10. The assembly-facilitated volute structure of any one of claims 1-6, wherein: and an anti-falling structure which can be in guide fit in the assembly process and prevent the volute body (1) and the volute upper cover (2) from falling off in the assembled state is further arranged between the volute body and the volute upper cover.

11. The easy-to-assemble volute structure of claim 10, wherein: the spiral case upper cover (2) is characterized in that an elastic rib (25) inclined from top to bottom against rotation is arranged on the peripheral wall of the spiral case upper cover (2), the upper end of the elastic rib (25) is connected with the spiral case upper cover (2), the lower end of the elastic rib is a free end, correspondingly, a convex rib (15) extending vertically is arranged on the peripheral wall of the spiral case body (1), the lower surface of the elastic rib (25) is in sliding fit with the upper surface of the convex rib (15) in the rotation assembly process of the spiral case upper cover (2) and the spiral case body (1), and the lower end of the elastic rib (25) abuts against the side surface of the convex rib (15) in the assembly completion state.

12. An open water pump, characterized in that: the volute structure of any one of claims 1-11, wherein a water suction port (16) is formed in the bottom wall of the volute body (1), and a first water outlet (26) is formed in the volute upper cover (2).

13. An open water pump according to claim 12, wherein: the side wall of the volute body (1) is provided with a second water outlet (17) and a water outlet pipe section (18) tangentially connected with the second water outlet (17).

14. The utility model provides a cleaning machine, includes the box and locates the spray member of box, the bottom half is provided with the return water region of indent, its characterized in that: the open water pump of claim 12 or 13, wherein the volute structure is arranged in the water return area and the bottom wall is arranged close to the bottom of the water return area, and the first water outlet (26) is used for supplying water to the spraying part positioned at the bottom of the tank body.