CN217683807U

CN217683807U - A drain pipe subassembly and dish washer for dish washer

Info

Publication number: CN217683807U
Application number: CN202221175738.8U
Authority: CN
Inventors: 周啸天; 高旭东
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-10-28
Anticipated expiration: 2032-05-10

Abstract

The utility model relates to a drain pipe subassembly and dish washer for dish washer, drain pipe subassembly include the drain pipe, and the first end of this drain pipe is provided with the coupling, still includes extension joint and locating part, extension joint detachably connects the first end at the coupling, the extension connects including can inserting the grafting portion of joining in marriage mutually with the coupling, the locating part cover is put in the periphery of grafting portion and is used for being connected grafting portion and coupling locking. The detachable extension joint is arranged at the end part of the joint of the drain pipe, when the drain pipe needs to be inserted into the floor drain for use, the extension joint made of harder material is not easy to deform, and a larger drainage cross section is kept, so that the drainage smoothness is ensured, and the blocking risk is reduced; when the drain pipe is further connected with structures such as other tee joints, the extension joint is taken down from the end part of the drain pipe, so that the drain pipe is convenient to disassemble, assemble and transport and convenient to use.

Description

A drain pipe subassembly and dish washer for dish washer

Technical Field

The utility model relates to a dish washer technical field specifically indicates a drain pipe subassembly and dish washer for dish washer.

Background

A dishwasher is an apparatus for washing garbage such as food residue attached to tableware, cooker, etc. using detergent and washing water, and wastewater generated from washing is discharged through a drain pipe.

For example, chinese patent No. CN209074513U entitled Drain Detachable dishwasher (application No. CN 201821652509.4) discloses a structure, which comprises a drain pipe and a dishwasher main body, wherein the drain pipe is communicated with a drain outlet of the dishwasher main body, the structure also comprises a mounting snap ring, a connecting female part is arranged on the side wall of the mounting snap ring, and a connecting sub-part is arranged on the drain outlet of the dishwasher main body; when the snap ring is positively and rotatably arranged to connect the connecting female part and the connecting male part, the drain pipe and the drain port of the dishwasher main body are connected into a whole; when the snap ring is reversely rotated to separate the coupling female member and the coupling male member, the drain pipe is detached from the drain port of the dishwasher main body.

The structure mainly realizes the detachable installation of the drain pipe and the dishwasher main body. However, in actual use, if the drain pipe is directly connected to the floor drain, there is a great risk of leakage at this connection. This is because: the drain pipe is generally a soft telescopic pipe, a larger gap is often formed between the drain pipe and the drain after the drain pipe is inserted into the drain, and the drain pipe opening is closer to the side wall of the drain, so that residue is easy to accumulate to cause unsmooth drainage; or the port of the drainage pipe is easy to deform (be extruded into an oval shape) at the corner after being inserted into the floor drain, so that the cross-sectional area is greatly reduced, and the risk of unsmooth drainage is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem to prior art's current situation, provide a be convenient for carry out the dismouting as required, can keep the drainage smooth and easy and reduce the drain pipe subassembly that is used for dish washer of jam risk.

The utility model discloses the second technical problem that will solve is to prior art's current situation, provides an use dish washer that has above-mentioned drain pipe assembly.

The utility model provides a technical scheme that at least one above-mentioned technical problem adopted does:

the utility model provides a drain pipe subassembly for dish washer, includes the drain pipe, and the first end of this drain pipe is provided with the coupling, still includes extension joint and locating part, extension joint detachably connects the first end at the coupling, the extension connects including can inserting the grafting portion of joining in marriage mutually with the coupling, the locating part cover is put in the periphery of grafting portion and is used for being connected grafting portion and coupling lock.

Preferably, the first end of the extension joint is provided with an inner connecting sleeve capable of being inserted into the inner wall of the pipe joint and an outer connecting sleeve inserted into the outer wall of the pipe joint, a clamping groove for clamping the pipe joint is formed between the inner connecting sleeve and the outer connecting sleeve, and the limiting member is sleeved on the periphery of the outer connecting sleeve. The structure is convenient for inserting the extension joint and the pipe joint in a matching way, is favorable for improving the sealing property of connection between the extension joint and the pipe joint, and avoids the accumulation of residues at the position.

Further preferably, the diameter of the outer connecting sleeve is gradually reduced from the end part of the pipe joint inwards along the axial direction. The structure is convenient for sleeving the limiting part on the periphery of the outer connecting sleeve and locking and connecting the limiting part.

Still further, the outer connecting sleeve is provided with gaps which are arranged at intervals along the circumferential direction, and the gaps penetrate through the outer connecting sleeve along the axial direction. Preferably, the width of the gap in the circumferential direction of the outer connecting sleeve gradually increases from the end of the pipe joint inwards along the axial direction. The structure can ensure that the outer connecting sleeve has better elasticity so as to adapt to the outer diameter of the pipe joint.

In order to be convenient for can dismantle the locating part with the extension joint and be connected, be provided with the external screw thread on the periphery wall of outer adapter sleeve, it is corresponding, be provided with on the internal perisporium of locating part with external screw thread assorted internal thread.

Preferably, the first end of the extension joint extends inwards from the inner edge in the radial direction to form a support table, the inner connecting sleeve extends outwards from the inner edge of the support table, and in the assembled state, the end face of the first end of the extension joint and the support table jointly form the groove bottom surface of the clamping groove. The structure is beneficial to increasing the width of the clamping groove, and is convenient for inserting, matching and connecting the clamping groove with the pipe joint; meanwhile, the flow cross section area is diffused along the drainage direction, so that the drainage smoothness is further improved, and the blocking risk is reduced.

Preferably, the side part of the extension joint is provided with a slag discharge port arranged along the circumferential direction. When the axial port part of the extension joint is blocked or the slag discharge resistance is large, food residues can be discharged through the slag discharge port, so that the slag discharge efficiency is improved, and more residues are prevented from being accumulated at the position.

A dishwasher comprises a box body, wherein a water outlet is formed in the bottom of the box body, the dishwasher further comprises the water drainage pipe assembly, and the second end of the water drainage pipe is communicated with the water outlet of the box body.

Compared with the prior art, the utility model has the advantages of: the detachable extension joint is arranged at the end part of the joint of the drain pipe, when the drain pipe needs to be inserted into the floor drain for use, the extension joint made of harder material is not easy to deform, and a larger drainage cross section is kept, so that the drainage smoothness is ensured, and the blocking risk is reduced; when the drain pipe is further connected with structures such as other tee joints, the extension joint is taken down from the end part of the drain pipe, so that the drain pipe is convenient to disassemble, assemble and transport and convenient to use.

Drawings

FIG. 1 is a schematic structural view of a drain pipe assembly according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

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

fig. 4 is a schematic structural view of an extension joint in an embodiment of the present invention;

fig. 5 is a cross-sectional view of fig. 4.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 5, the drain pipe assembly for the dishwasher of the present embodiment includes a drain pipe 1, an extension joint 2 and a limiting member 3, wherein a main portion of the drain pipe 1 is a corrugated pipe, a pipe joint 11 is disposed at a first end of the drain pipe 1, and the pipe joint 11 and the main portion of the drain pipe 1 are integrally formed.

The extension joint 2 of the present embodiment is detachably connected to the first end of the pipe joint 11, the extension joint 2 includes an insertion portion 21 capable of being inserted into the pipe joint 11, and the limiting member 3 is annular, is sleeved on the outer periphery of the insertion portion 21, and is used for locking and connecting the insertion portion 21 and the pipe joint 11.

Specifically, the insertion portion 21 is disposed at the first end of the extension joint 2 and includes an inner connection sleeve 211 capable of being inserted into the inner wall of the pipe joint 11 and an outer connection sleeve 212 inserted into the outer wall of the pipe joint 11, a clamping groove 213 for clamping the pipe joint 11 is formed between the inner connection sleeve 211 and the outer connection sleeve 212, and the limiting member 3 is sleeved on the outer periphery of the outer connection sleeve 212. This structure not only is convenient for to be inserted and joined in marriage extension joint 2 and coupling 11 mutually and is connected, is favorable to improving the leakproofness of being connected between extension joint 2 and the coupling 11 moreover, avoids the residue to accumulate here.

The diameter of the outer connecting sleeve 212 is gradually reduced from the end of the pipe joint 11 inward in the axial direction. This structure facilitates the locating member 2 to be sleeved on the periphery of the outer connecting sleeve 212 and locked. The outer connecting sleeve 212 is provided with notches 214 arranged at intervals along the circumferential direction, and the notches 214 penetrate along the axial direction of the outer connecting sleeve 212. The width of the gap 214 in the circumferential direction of the outer connecting sleeve 212 increases gradually from the end of the pipe joint 11 inward in the axial direction. The above structure can make the outer connection sleeve 212 have a good elasticity to fit the outer diameter of the pipe joint 11.

The outer peripheral wall of the outer connecting sleeve 212 is provided with an external thread 2121, and correspondingly, the inner peripheral wall of the limiting member 3 is provided with an internal thread 31 matched with the external thread 2121. So as to detachably lock-connect the limiting member 3 with the extension joint 2.

The first end of the extension joint 2 extends from the inner edge to the inside in the radial direction to form a support 22, the inner connection sleeve 213 extends from the inner edge of the support 22 to the outside, and the end surface of the first end of the extension joint 2 and the support 22 together form the groove bottom surface of the clamping groove 213 in the assembled state. This structure is advantageous for increasing the width of the clamping groove 213, and facilitates the insertion and connection with the pipe joint 11; meanwhile, the flow cross section area is diffused along the drainage direction, so that the drainage smoothness is further improved, and the blocking risk is reduced.

The side of the extension joint 2 is provided with a slag discharge port 23 arranged along the circumferential direction. When the axial port part of the extension joint 2 is blocked or the slag discharge resistance is large, food residues can be discharged through the slag discharge port 23, so that the slag discharge efficiency is improved, and more residues are prevented from being accumulated at the position.

The dishwasher of this embodiment comprises a housing (not shown), a drain opening is formed at the bottom of the housing, and the second end of the drain pipe 1 is communicated with the drain opening of the housing.

In the embodiment, the detachable extension joint 2 is arranged at the end part of the pipe joint 11 of the drain pipe 1, when the drain pipe 1 needs to be inserted into a floor drain for use, the extension joint 2 made of a hard material is not easy to deform, and a large drainage section is kept, so that drainage smoothness is ensured, and the blocking risk is reduced; when the drain pipe 1 is further connected with other tee joints and other structures, the extension joint 2 is taken down from the end part of the drain pipe 1, so that the drain pipe is convenient to disassemble, assemble and transport and is convenient to use.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be oriented in different directions, the directional terms are used for descriptive purposes and are not intended to be limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite or coincident with the direction of gravity.

Claims

1. A drain pipe assembly for a dishwasher, comprising a drain pipe (1), a first end of the drain pipe (1) being provided with a pipe connection (11), characterized in that: the pipe joint structure is characterized by further comprising an extension joint (2) and a limiting piece (3), wherein the extension joint (2) is detachably connected to the first end of the pipe joint (11), the extension joint (2) comprises an inserting part (21) capable of being inserted into the pipe joint (11), and the limiting piece (3) is sleeved on the periphery of the inserting part (21) and used for locking and connecting the inserting part (21) with the pipe joint (11).

2. A drain assembly for a dishwasher according to claim 1, wherein: the inserting part (21) is arranged at the first end of the extension joint (2) and comprises an inner connecting sleeve (211) and an outer connecting sleeve (212), wherein the inner connecting sleeve (211) can be inserted into the inner wall of the pipe joint (11) and the outer connecting sleeve (212) can be inserted into the outer wall of the pipe joint (11), a clamping groove (213) used for clamping the pipe joint (11) is formed between the inner connecting sleeve (211) and the outer connecting sleeve (212), and the limiting part (3) is sleeved on the periphery of the outer connecting sleeve (212).

3. A drain assembly for a dishwasher according to claim 2, wherein: the diameter of the outer connecting sleeve (212) is gradually reduced from the end part of the pipe joint (11) inwards along the axial direction.

4. A drain assembly for a dishwasher according to claim 2, wherein: the outer connecting sleeve (212) is provided with notches (214) which are arranged at intervals along the circumferential direction, and the notches (214) penetrate through the outer connecting sleeve (212) along the axial direction.

5. The drain assembly for a dishwasher of claim 4, wherein: the width of the gap (214) in the circumferential direction of the outer connecting sleeve (212) is gradually increased from the end part of the pipe joint (11) inwards along the axial direction.

6. A drain assembly for a dishwasher according to claim 2, wherein: be provided with external screw thread (2121) on the periphery wall of outer adapter sleeve (212), correspondingly, be provided with on the internal perisporium of locating part (3) with external screw thread (2121) assorted internal thread (31).

7. A drain assembly for a dishwasher according to claim 2, wherein: the first end of the extension joint (2) extends inwards from the inner edge in the radial direction to form a support table (22), the inner connecting sleeve (211) extends outwards from the inner edge of the support table (22), and in the assembled state, the end face of the first end of the extension joint (2) and the support table (22) jointly form the groove bottom surface of the clamping groove (213).

8. The drain assembly for a dishwasher according to any one of claims 1 to 7, wherein: the side part of the extension joint (2) is provided with a slag discharge port (23) which is arranged along the circumferential direction.

9. The utility model provides a dishwasher, includes the box, open the bottom half has the outlet, its characterized in that: a drain assembly according to any of claims 1 to 8, further comprising a drain pipe (1) having a second end in communication with the drain opening of the tank.