CN213119531U - Water tank cover body structure, water tank and water heater with water tank cover body structure - Google Patents

Abstract

The application provides a water tank cover body structure, a water tank and a water heater with the water tank cover body structure, wherein the water tank cover body structure comprises a cover body and a sealing assembly, and the cover body is used for being installed on the water tank body; the sealing assembly is arranged on the cover body; the sealing assembly is used for sealing a gap between the cover body and the water tank body. According to water tank lid structure, water tank and have its water heater of this application, seal assembly sets up on the lid body, the production of being convenient for, and sealed effectual, and production efficiency is high.

Description

Water tank cover body structure, water tank and water heater with water tank cover body structure

Technical Field

This application belongs to water heater technical field, concretely relates to water tank lid structure, water tank and have its water heater.

Background

At present, the air energy water heater consists of an outer machine and an inner machine, namely a water tank, in order to reduce the heat loss of a waterway of the inner machine as much as possible, the inner machine is mostly arranged indoors and close to a bathroom, but the occupied area of the inner machine is large, and with the popularization of the air energy water heater in cities, more and more people install the inner machine and the outer machine outdoors, this means that the water tank is exposed to the possibility of rain, and the internal structure of the water tank is complicated, and once rain enters, the function of the whole water tank can be damaged, which puts higher demands on the sealing performance of each part of the water tank, the exposed position of the water tank at present comprises a temperature sensing port, a water inlet/outlet port and a working medium port, its temperature sensing mouth and working medium mouth adopt conventional sealed mode to satisfy owing to the structure is fixed, and the inlet outlet is because relative position changes greatly, and sealed some is many, and its sealed control is more difficult, and current conventional sealed mode has: o type pad, rubber circle, sealed sticky etc. are all difficult to satisfy the demand, and process control is complicated, has the hidden danger of inefficacy.

However, in the industry, sealant is generally coated between the water tank shell and the rubber cover, gaps caused by assembly errors exist between the water tank shell and the rubber cover, and the sealing effect of gluing is unstable in actual production; the gap between the rubber cover and the pipeline joint assembly is small, so that the gluing operation cannot be carried out, but rainwater can still flow into the water tank; and the gluing position is only 3-4 mm, the precision requirement is higher, the manual operation can be only performed at present, and the production efficiency is low.

Therefore, how to provide a water tank cover body structure, a water tank and a water heater with the same, which have good sealing effect and high production efficiency, is a problem that needs to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem that this application will be solved lies in providing a water tank lid structure, water tank and have its water heater, and is sealed effectual, and production efficiency is high.

In order to solve the above problem, the present application provides a water tank cover structure, including:

the cover body is used for being arranged on the water tank body;

the sealing assembly is arranged on the cover body; the sealing assembly is used for sealing a gap between the cover body and the water tank body.

Preferably, the tank body comprises a housing and a pipe joint assembly; the cover body comprises a rubber cover and an end cover; the rubber cover is used for being arranged on the shell; the rubber cover is provided with a mounting hole which is used for mounting the pipeline joint assembly; the end cover is used for covering the outside of the pipeline joint component.

Preferably, the seal assembly comprises a first seal portion; the first sealing part is arranged on the rubber cover; the first sealing part is used for sealing a gap between the shell and the rubber cover.

Preferably, the end cap comprises an axial extension; a guide area is arranged on the axial extension part; the guide area is used for guiding the end cover to be arranged on the pipeline joint component.

Preferably, the seal assembly further comprises a second seal portion; the second sealing part is arranged on the end cover; the second seal portion is used for sealing a gap between the pipeline joint assembly and the end cover.

Preferably, the seal assembly further comprises a connecting portion; the first sealing part is connected with the second sealing part through a connecting part.

Preferably, the connection is an annular connection; the outer periphery side of the annular connecting part is connected with the first sealing part; and/or the inner peripheral side second sealing part of the annular connecting part is connected.

Preferably, the annular connection comprises a folded structure; the folding structure is formed by folding the annular connecting part around a folding line; the fold line is a circular fold line extending circumferentially around a central axis of the annular connection.

Preferably, the connecting part telescopically connects the first sealing part and the second sealing part;

and/or the connecting part, the first sealing part and the second sealing part are integrally connected;

and/or the connecting part is a soft glue connecting part;

and/or the first sealing part is a first soft rubber sealing part;

and/or the second sealing part is a second soft rubber sealing part;

and/or the cover body is integrally connected or buckled with the sealing component.

According to still another aspect of the present application, a water tank is provided, which includes a water tank cover structure, and the water tank cover structure is the above water tank cover structure.

Preferably, when the sealing assembly comprises a first sealing part, the cover body comprises a rubber cover, and the water tank body comprises a shell, the first sealing part is a first annular sealing part; the first annular sealing part is arranged around the periphery of the rubber cover in the circumferential direction; the first annular sealing part is positioned between the rubber cover and the shell.

Preferably, when the seal assembly includes a second seal, the tank body line connection fitting assembly, the second seal is a second annular seal; the second annular sealing portion is sleeved outside the pipeline joint assembly.

Preferably, when the sealing assembly includes a connection portion, the connection portion is an annular connection portion, the annular connection portion includes a folding structure, and the water tank body includes a housing, the folding structure is located inside the housing.

Preferably, the first annular seal portion is an interference fit with the housing.

Preferably, the second annular seal portion is an interference fit with the line fitting assembly.

According to a further aspect of the present application, there is provided a water heater comprising a water tank, the water tank being any one of the water tanks described above.

The application provides a water tank lid structure, water tank and have its water heater, it is sealed effectual, and production efficiency is high.

Drawings

FIG. 1 is a schematic structural diagram of a cover structure of a water tank according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of an installation structure of a cover structure of a water tank according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a water tank according to an embodiment of the present application;

fig. 4 is an enlarged view of region a in fig. 3.

The reference numerals are represented as:

1. a rubber cover; 11. a flow guide hole; 12. a groove; 2. an end cap; 21. ribs; 3. a seal assembly; 31. a first seal portion; 32. a second seal portion; 33. a connecting portion; 4. a housing; 5. a pipe joint assembly; 6. an inner container of the water tank.

Detailed Description

Referring to fig. 1-2 in combination, according to an embodiment of the present application, a cover structure for a water tank includes a cover body and a sealing assembly 3, wherein the cover body is configured to be mounted on the water tank body; the sealing component 3 is arranged on the cover body; sealing assembly 3 is used for the clearance between sealed lid body and the water tank body, and sealing assembly 3 sets up on the lid body, the production of being convenient for sealing assembly 3's sealed effectual, production efficiency is high.

Further, the water tank body comprises a shell 4 and a water tank liner 6, and the water tank liner 6 is arranged inside the shell 4; the water tank water inlet and outlet pipe comprises a water pipe assembly and a pipeline joint assembly 5 which are connected with each other; the water pipe assembly is used for being connected with the water tank liner 6 to form a communicated flow channel, and the pipeline joint assembly 5 is used for being connected with an external pipeline; the plastic pipe joint assembly is characterized by further comprising a silk hat-shaped rubber cover 1, wherein the middle of the rubber cover 1 is a channel, and the pipeline joint assembly 5 is located in the channel in the middle of the rubber cover 1; the eaves portion of rubber cover 1 is the ring form, and the eaves portion of rubber cover 1 covers on the surface of shell 4, and the axial extension of rubber cover 1 is the tubular structure who is connected with this eaves portion, and this tubular structure is located the periphery that pipeline connects subassembly 5 and end cover 2.

Further, the water tank body comprises a shell 4 and a pipeline joint assembly 5, and the cover body comprises a rubber cover 1 and an end cover 2; the rubber cover 1 is used for being arranged on the shell 4; the rubber cover 1 is provided with a mounting hole which is used for mounting the pipeline joint component 5; the end cover 2 is used for covering the outside of the pipeline joint component 5.

Further, the seal assembly 3 includes a first seal portion 31; the first sealing part 31 is arranged on the rubber cover 1; the first sealing portion 31 is used for sealing a gap between the outer shell 4 and the rubber cover 1, so that sealing between the outer shell 4 and the rubber cover 1 is realized, and rainwater is prevented from entering the inside of the water tank shell from the space between the outer shell 4 and the rubber cover 1.

Further, the end cap 2 comprises an axial extension; a guide area is arranged on the axial extension part; the guiding area is used for guiding the end cover 2 to be covered on the pipeline joint component 5, so that the end cover 2 can be conveniently installed on the pipeline joint component 5.

Further, the guide area is provided on the inner peripheral side of the axially extending portion of the end cap 2 at a position on the axially extending portion away from the outside of the housing 4; the guide area is obliquely guided; the inclined plane is formed on the inner surface of the axial extending part, the inclined plane inclines from the inner part of the shell to the outer part, and the inclination direction is inwards inclined; so that the end cap 2 and the second sealing portion 32 are integrally more easily assembled with the pipe joint assembly 5, and the inclination angle of the inclined plane is 16 to 26 degrees.

The outer decorative cover is an axial extension part of the end cover 2, the axial extension part is of a cylindrical structure, and the axial extension part is connected with the end part of the end cover 2; cylindrical ribs 21 are distributed on the inner surface of the axial extension part; the second sealing part 32 is provided with a groove 12 corresponding to the cylindrical rib 21; the end cover 2 and the second sealing part 32 are matched and tightly connected, so that the strength of the end cover 2 and the second sealing part 32 can be increased, the diameter of the rib 21 is preferably 0.3-0.5 mm, and the number of the rib can be set to be even number combinations such as 10, 12, 16 and 20 according to the requirement;

further, the seal assembly 3 also includes a second seal portion 32; the second seal portion 32 is provided on the end cap 2; the second sealing portion 32 is used for sealing a gap between the pipeline joint assembly 5 and the end cover 2, so that sealing between the end cover 2 and the pipeline joint assembly 5 is realized, and rainwater is prevented from entering the inside of the water tank shell.

Further, the seal assembly 3 further comprises a connecting portion 33; the first seal portion 31 and the second seal portion 32 are connected by a connecting portion 33.

Further, the connection portion 33 is an annular connection portion; the outer peripheral side of the annular connecting portion is connected to the first seal portion 31; and/or, the inner peripheral side second sealing part 32 of the annular connecting part is connected, so that the connecting part 33, the rubber cover 1 and the end cover 2 form a seamless whole, and the annular connecting part can also seal the gap between the rubber cover 1 and the end cover 2.

Further, the annular connection portion includes a folded structure; the folding structure is formed by folding the annular connecting part around a folding line; the folding line is the circular folding line of the central axis circumference extension around annular connecting portion, and when being convenient for assemble, overlaps second seal portion 32 on pipeline joint Assembly 5, can also improve whole seal assembly 3's intensity, can compensate inner bag assembly error simultaneously, and the tensile deformation of buffering flexible glue, the flexible glue is folded in the shell, avoids leading to seal assembly 3 to deviate from or warp because of stress such as water tank foaming. The folded layer can be optimized according to the size of seal assembly 3, and optional 2 ~ 4 layers are folded, and every layer is preferred the clearance to be 1 ~ 2.5mm, and preferred degree of depth is 20 ~ 25 mm. The folded structure is recessed inwardly of the housing 4. And the sealing component 3 can be matched with the pipeline joint component 5 and the shell 4 with enough interference, so that effective sealing is ensured.

Further, connecting portion 33 telescopically connects first sealing 31 and second sealing 32, and seal assembly 3 still can closely interference fit with pipeline joint subassembly 5, shell 4 when assembly error appears in water tank inner bag 6, has ensured the production uniformity.

And/or the connecting part 33, the first sealing part 31 and the second sealing part 32 are integrally connected;

and/or the connecting part 33 is a soft glue connecting part;

and/or the first sealing part 31 is a first soft glue sealing part;

and/or the second seal 32 is a second soft glue seal;

and/or the cover body is integrally connected or buckled with the sealing component 3.

According to an embodiment of the present application, a water tank is provided, which includes a water tank cover structure, and the water tank cover structure is the above water tank cover structure.

Further, when the sealing assembly 3 comprises the first sealing portion 31, the cover body comprises the rubber cover 1, and the water tank body comprises the housing 4, the first sealing portion 31 is a first annular sealing portion; the first annular sealing part is arranged around the periphery of the rubber cover 1; the first annular seal is located between the rubber cover 1 and the water tank housing 4.

Further, when the seal assembly 3 includes the second seal portion 32, the tank body line connection fitting assembly 5, the second seal portion 32 is a second annular seal portion; the second annular seal is disposed about the line connector assembly 5.

Further, when the sealing assembly 3 includes the connection portion 33, the connection portion 33 is an annular connection portion including a folding structure, and the tank body includes the housing 4, the folding structure is located inside the housing 4.

Further, the first annular seal portion is interference-fitted with the housing 4.

Further, the interference compression amount of the first annular sealing part and the shell 4 is 0.4-0.6 mm.

Further, the second annular seal is an interference fit with the line connector assembly 5.

Further, the interference compression amount of the second annular sealing part and the pipeline joint component 5 is 0.5-0.8 mm. The whole integrated structure is preferably manufactured by a two-time injection molding process, and because the first sealing part 31 is in interference fit with the shell 4, and the second sealing part 32 is in interference fit with the pipeline joint component 5, the matching surfaces of the two have no clearance, thereby preventing rainwater from entering from the two.

Referring to fig. 3-4 in combination, according to an embodiment of the present application, there is provided a water heater including a water tank, the water tank being the water tank described above.

The preparation process of the application is as follows, a flow guide hole 11 is arranged on the rubber cover 1; when the structure is produced by injection molding, soft glue flows through the diversion hole 11. And the hard glue supports the soft glue to prevent the soft glue from collapsing and deforming. Preparing a first sealing part 31 at the outer periphery side of the rubber cover 1, and preparing an annular connecting part at the inner periphery side of the rubber cover 1; meanwhile, the strength of the structure can be improved; the diameter of the diversion holes 11 is 1-1.4 mm, the depth of the diversion holes 11 is 1.2-1.6 mm, the number of the diversion holes is not limited to 1, the diversion holes are distributed along the circumferential direction, and 8-12 diversion holes are preferably uniformly distributed.

Further, the rubber cover 1 is provided with an axial extending portion, the outer peripheral side of the axial extending portion of the rubber cover 1 is provided with a groove 12, the flow guide holes 11 are located in the groove 12, the stability of sealing glue during injection molding of parts can be improved, air holes or welding cracks are avoided in the parts, meanwhile, the contact area of soft glue and hard glue is increased through the structure, and the overall strength of the integrated sealing assembly 3 is improved. The preferred degree of depth of recess 12 is 8 ~ 9mm, and width 1.1 ~ 1.5mm, and specific parameter can be optimized according to the pipe joint size of complex, and the quantity can set up as even number combinations such as 6, 8, 10, 12 as required.

Further, the shell 4 is connected with the rubber cover 1 and the end cover 2 in an integrated mode, and then the sealing component 3 is injected.

The water tank adopts an integrated sealing component, and an inner soft rubber sleeve is connected with a rubber cover in a buckling mode into a whole; the outer side of the sealing component is embedded with the soft rubber layer and is in interference fit with the shell, so that the shell side is sealed. The connecting portion selects the material of good elasticity, and seal assembly still can closely interference fit with pipeline joint subassembly, shell when assembly error appears in the water tank inner bag, has ensured the production uniformity.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims (16)

1. A water tank cover structure, comprising:

the cover body is used for being installed on the water tank body;

the sealing assembly (3) is arranged on the cover body (3); the sealing assembly (3) is used for sealing a gap between the cover body and the water tank body.

2. The tank cover structure according to claim 1, wherein the tank body comprises a housing (4) and a pipe joint assembly (5); the cover body comprises a rubber cover (1) and an end cover (2); the rubber cover (1) is used for being arranged on the shell (4); the rubber cover (1) is provided with a mounting hole, and the mounting hole is used for mounting the pipeline joint assembly (5); the end cover (2) is used for covering the outside of the pipeline joint component (5).

3. The tank cover structure according to claim 2, wherein the sealing assembly (3) comprises a first sealing portion (31); the first sealing part (31) is arranged on the rubber cover (1); the first sealing part (31) is used for sealing a gap between the shell (4) and the rubber cover (1).

4. Tank cover structure according to claim 2, characterized in that the end cap (2) comprises an axial extension; a guide area is arranged on the axial extension part; the guide area is used for guiding the end cover (2) to be covered on the pipeline joint component (5).

5. A tank cover structure according to claim 3, wherein the sealing assembly (3) further comprises a second sealing portion (32); the second sealing part (32) is arranged on the end cover (2); the second sealing portion (32) is used for sealing a gap between the pipeline joint assembly (5) and the end cover (2).

6. The tank cover structure according to claim 5, wherein the sealing assembly (3) further comprises a connecting portion (33); the first seal portion (31) and the second seal portion (32) are connected by the connecting portion (33).

7. The tank cover structure according to claim 6, wherein the connecting portion (33) is an annular connecting portion; the outer peripheral side of the annular connecting portion is connected to the first seal portion (31); and/or the second sealing part (32) is connected on the inner peripheral side of the annular connecting part.

8. The tank cover structure according to claim 7, wherein the annular connecting portion comprises a folded structure; the folding structure is formed by folding the annular connecting part around a folding line; the fold line is a circular fold line extending circumferentially about a central axis of the annular connection.

9. The tank cover structure according to claim 6, wherein the connecting portion (33) telescopically connects the first sealing portion (31) and the second sealing portion (32);

and/or the connecting part (33), the first sealing part (31) and the second sealing part (32) are integrally connected;

and/or the connecting part (33) is a soft rubber connecting part;

and/or the first sealing part (31) is a first soft rubber sealing part;

and/or the second sealing part (32) is a second soft rubber sealing part;

and/or the cover body is integrally connected or buckled with the sealing component (3).

10. A cistern comprising a cistern cover structure, wherein the cistern cover structure is as claimed in any one of claims 1 to 9.

11. A cistern as claimed in claim 10, characterised in that when the sealing assembly (3) comprises a first seal (31), the cover body comprises a glue cover (1), and the cistern body comprises a housing (4), the first seal (31) is a first annular seal; the first annular sealing part is arranged around the periphery of the rubber cover (1); the first annular sealing part is positioned between the rubber cover (1) and the shell (4).

12. The tank of claim 10 wherein when the seal assembly (3) comprises a second seal (32), the tank body line connection fitting assembly (5), the second seal (32) is a second annular seal; the second annular sealing part is sleeved outside the pipeline joint assembly (5).

13. A cistern as claimed in claim 10, characterised in that when the sealing assembly (3) comprises a connecting portion (33), the connecting portion (33) is an annular connecting portion comprising a folded configuration, the cistern body comprising a housing (4), the folded configuration being located within the housing (4).

14. A water tank as claimed in claim 11, characterised in that the first annular seal has an interference fit with the housing (4).

15. The tank of claim 12, wherein the second annular seal is an interference fit with the line connector assembly (5).

16. A water heater comprising a water tank, characterized in that the water tank is as claimed in any one of claims 10-15.

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