CN203642477U - High-waterproofness water tank and air-source water heater with same - Google Patents
High-waterproofness water tank and air-source water heater with same Download PDFInfo
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- CN203642477U CN203642477U CN201320739816.7U CN201320739816U CN203642477U CN 203642477 U CN203642477 U CN 203642477U CN 201320739816 U CN201320739816 U CN 201320739816U CN 203642477 U CN203642477 U CN 203642477U
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- waterproof cover
- water tank
- hole
- shell
- housing
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Abstract
The utility model provides a high-waterproofness water tank and an air-source water heater with the same. The water tank comprises a housing, a waterproof cover and a seal ring, wherein a hole is formed in the side wall of the housing; the waterproof cover covers the hole and is detachably fixed on the housing; the seal ring is arranged between the housing and the waterproof cover, and used for sealing the contact surfaces of the housing and the waterproof cover; a turned-over edge structure is arranged on the edge of the waterproof cover, and is arranged in such a manner that the tail end of the turned-over edge structure is matched with the housing and shields the seal ring. As the turned-over edge structure is arranged on the edge of the waterproof cover, the waterproof cover and the housing can be in line-plane combination with each other instead of plane-plane combination in the prior art, and the turned-over edge structure of the waterproof cover is in favorable joint with the housing, which greatly enhances the water-proof and sealing effects of the waterproof cover.
Description
Technical field
The utility model relates in general to air-source water heater field, more specifically, relates to a kind of water tank and comprises the air-source water heater of this water tank.
Background technology
Air-source water heater (claim again " Teat pump boiler ") is compared solar water heater, electric heater and gas heater because of it and is had the advantage such as energy-efficient and be subject to more and more general application.The real-time using in order to realize hot water, the raw manufacturer of more water heater has developed the air-source water heater of electric auxiliary heating.The air-source water heater of electric auxiliary heating of the prior art generally comprises off-premises station, water tank and the refrigerant pipe between the two.Water tank is provided with electric heater unit in the side of its shell, and the electrical heating region that waterproof cover (for sheet metal component or be made up of plastic material) is fixed on shell by screw seals described electric heater unit.But the waterproof sealing effect of described waterproof cover is poor, may become a large potential safety hazard.
Utility model content
The purpose of this utility model is just to provide one and has good waterproof sealing performance, and meanwhile, the design is more humane and improved the overall aesthetic of water tank.
Above-mentioned purpose is to realize by following water tank, and described water tank comprises: shell has hole on its sidewall; Waterproof cover, covers described hole and is removably fixed on described shell; And sealing ring, between described shell and described waterproof cover, for sealing the contact-making surface of described shell and described waterproof cover, wherein: the edge of described waterproof cover has turnup structure, described turnup structure is configured to its end and mates with described shell and block described sealing ring.
By the edge at waterproof cover, turnup structure is set, thereby between waterproof cover and shell, can form engaging of line and face substitute of the prior art with the engaging of face, can make like this turnup structure and the shell laminating of waterproof cover good, thereby greatly strengthen the waterproof sealing effect of waterproof cover.
In a preferred embodiment, described waterproof cover is provided with passage in its lower end, passes through for draining and pipeline.
In a preferred embodiment, described waterproof cover has multiple the first through holes, and described shell has the multiple screwed holes corresponding with described the first through hole, and multiple screws are fixed described waterproof cover and described shell through described the first through hole and described screwed hole.
In a more preferred embodiment, described sealing ring has second through hole corresponding with described the first through hole and described screwed hole, and described multiple screws are fixed described waterproof cover, described sealing ring and described shell through described the first through hole, described the second through hole and described screwed hole.
In a preferred embodiment, the hole of described shell has towards the flange of described waterproof cover projection.
In a preferred embodiment, described sealing ring is provided with garland on the side of the described shell of contact.
In a preferred embodiment, the cross section of described rhone is trapezoidal, rectangle or semicircle.
In a preferred embodiment, the quantity of described screw is four, wherein at the right and left of described waterproof cover, two screws is respectively set.
In a preferred embodiment, the quantity of described screw is three, wherein at the right and left of described waterproof cover, a screw is respectively set, and another screw is arranged on the center of top of described waterproof cover.
On the other hand, also provide a kind of air-source water heater, it comprises above-mentioned water tank.Because its water tank has, good waterproof sealing performance is used safety to such air-source water heater.
Accompanying drawing explanation
By the description of in the mode of embodiment, the utility model being carried out with reference to the following drawings, those skilled in the art can more clearly understand above-mentioned and other advantages of the present utility model, wherein:
Fig. 1 is the structural representation of the air-source water heater of an embodiment of the present utility model;
Fig. 2 is the partial schematic sectional view of the water tank of the air-source water heater of Fig. 1;
Fig. 3 is the rearview of the waterproof cover of the water tank of the air-source water heater of Fig. 1, observes from the left side of Fig. 2;
Fig. 4 is the upward view of the waterproof cover of Fig. 3;
Fig. 5 is the A-A cutaway view of the waterproof cover of Fig. 3;
Fig. 6 is the B-B cutaway view of the waterproof cover of Fig. 3;
Fig. 7 is the enlarged drawing of the D portion in Fig. 6.
The specific embodiment
It will be understood by those skilled in the art that following to the specific descriptions of embodiment of the present utility model just to abundant openly the utility model, and should not be construed as restriction scope of the present utility model; Scope of the present utility model is defined by the claims.
Fig. 1 is the schematic diagram of the air-source water heater of an embodiment of the present utility model; Fig. 2 is the partial schematic sectional view of the water tank of the air-source water heater of Fig. 1.Air-source water heater 1 comprises off-premises station 2, water tank 3 and is connected to the refrigerant pipe 4 between the two.Water tank 3 comprises: shell 5, and be positioned at the inner bag (not shown) of shell 5, for holding water; Insulation material between shell 5 and inner bag is for example fluorinefree polyurethane material.Described inner bag can be made up of stainless steel.Shell 5 can be provided with refrigerant import 6, refrigerant exit 7, water inlet 8 and delivery port 9.One section of refrigerant pipe 4 passes in and out shell 5 by refrigerant import 6 and refrigerant exit 7, and be wound in the outer surface of described inner bag, thereby can realize the heat exchange of the water in refrigerant (being generally R22, can be also the R134a of environmental protection) and the inner bag in refrigerant pipe 4, water be heated.For example, that section of the winding inner bag of refrigerant pipe 4 can be the D type inner screw thread copper pipe of the outer surface of direct laminating inner bag, thereby increases heat exchange area, or can be connected to by heat conductive silica gel the outer surface of inner bag, thereby increases heating surface, improves thermal conductivity factor.Water inlet pipe 11 that be connected with water inlet 8 and that have a valve 10 can be connected to running water pipe.The outlet pipe 12 being connected with delivery port 9 can be connected to user side, for user provides hot water.Shell 5 can also have temperature-measuring port (not shown), and temperature measuring equipment is installed on described temperature-measuring port, temperature signal is fed back to off-premises station 2.
As shown in Figure 2, shell 5 has hole 13 in the region that electric heater unit (not shown) is installed on its sidewall.Water tank 3 also comprises the waterproof cover 14 for blind hole 13, enters for anti-sealing.For the ease of electric heater unit described in inspection and maintenance, waterproof cover 14 is removably fixed on shell 5, for example, by multiple screw (not shown).In addition, water tank 4 also comprises the O-ring seal 15 between shell 5 and waterproof cover 14.Towards waterproof cover 14(outwards hole 13 can have) the flange 13a of projection, guide like this water to flow downward along flange outer wall, thereby anti-sealing enter hole 13.As shown in Figure 2, sealing ring 15 can be provided with garland 15a on the side of contact shell 5, and for guiding water to flow along described rhone, anti-sealing enters hole 13.Although the cross section of the rhone 15a shown in figure is trapezoidal, it can also be rectangle or semicircle etc.
Fig. 3 is the rearview of the waterproof cover of the water tank of the air-source water heater of Fig. 1, observes from the left side of Fig. 2; Fig. 4 is the upward view of the waterproof cover of Fig. 3; Fig. 5 is the A-A cutaway view of the waterproof cover of Fig. 3; Fig. 6 is the B-B cutaway view of the waterproof cover of Fig. 3; Fig. 7 is the enlarged drawing of the D portion in Fig. 6.As shown in Fig. 3-7, the edge of waterproof cover 14 has turnup structure 16, and described edge is from being parallel to the direction of shell 5 towards the direction bending of shell 5, to make its substantially vertical shell 5.Turnup structure 16 is configured to its end and mates with shell 5, thus close contact shell 5, to prevent that water from entering.In addition, as shown in Figure 2, under the state assembling, turnup structure 16 blocks the sealing ring 15 between shell 5 and waterproof cover 14.It will be understood by those skilled in the art that under uncompressed state, the thickness of sealing ring 15 be greater than waterproof cover 14 for holding the degree of depth in space of sealing ring 15, to make under compressive state, sealing ring 15 closely contacts shell 5, to increase waterproof effect.Waterproof cover 14 can be provided with in its lower end passage 17, for example, passes through for draining and pipeline (electric wire).
As shown in Figure 3, waterproof cover 14 has four the first through holes 18, each two at its right and left.In addition, shell 5 has four the screwed hole (not shown) corresponding with the first through hole 18.Four screw (not shown) can be fixed waterproof cover 14 and shell 5 through the first through hole 18 and corresponding screwed hole.Certainly, in other embodiments, described waterproof cover can have three the first through holes 18, two of its right and lefts, has one in its center of top.In addition, described shell has three the screwed hole (not shown) corresponding with the first through hole.Three screw (not shown) can be fixed described waterproof cover and described shell through the first through hole and corresponding screwed hole.Certainly, the first through hole, screwed hole and the screw of other quantity and other arrangements are also possible, as long as can equably waterproof cover, sealing ring and shell be fixed together.Although it will be understood by those skilled in the art that in the present embodiment, waterproof cover and shell are fixed together by screw, can also take other removably fixed form, for example buckles.
The inventor has also expected, except the first through hole being set in waterproof cover and arranging screwed hole in described shell, multiple second through holes corresponding with described the first through hole and described screwed hole can be set in sealing ring, and described multiple screws can pass described the first through hole, described the second through hole and described screwed hole described waterproof cover, described sealing ring and described shell are fixed.Can obtain so better sealing effectiveness.
Specific embodiment of the utility model has more than been described.In scope of the present utility model, can carry out various improvement, modification to above-described embodiment.For example, can adopt various ways to combine feature of the present utility model.
Claims (10)
1. a water tank, comprising:
Shell has hole on its sidewall;
Waterproof cover, covers described hole and is removably fixed on described shell; And
Sealing ring, between described shell and described waterproof cover, for sealing the contact-making surface of described shell and described waterproof cover,
It is characterized in that:
The edge of described waterproof cover has turnup structure, and described turnup structure is configured to its end and mates with described shell and block described sealing ring.
2. water tank according to claim 1, is characterized in that: described waterproof cover is provided with passage in its lower end, passes through for draining and pipeline.
3. water tank according to claim 1, it is characterized in that: described waterproof cover has multiple the first through holes, described shell has the multiple screwed holes corresponding with described the first through hole, and multiple screws are fixed described waterproof cover and described shell through described the first through hole and described screwed hole.
4. water tank according to claim 3, it is characterized in that: described sealing ring has second through hole corresponding with described the first through hole and described screwed hole, described multiple screws are fixed described waterproof cover, described sealing ring and described shell through described the first through hole, described the second through hole and described screwed hole.
5. water tank according to claim 1, is characterized in that: the hole of described shell has towards the flange of described waterproof cover projection.
6. water tank according to claim 1 and 2, is characterized in that: described sealing ring is provided with garland on the side of the described shell of contact.
7. water tank according to claim 6, is characterized in that: the cross section of described rhone is trapezoidal, rectangle or semicircle.
8. according to the water tank described in claim 3 or 4, it is characterized in that: the quantity of described screw is four, wherein at the right and left of described waterproof cover, two screws are respectively set.
9. according to the water tank described in claim 3 or 4, it is characterized in that: the quantity of described screw is three, wherein at the right and left of described waterproof cover, a screw is respectively set, another screw is arranged on the center of top of described waterproof cover.
10. an air-source water heater, is characterized in that: this air-source water heater comprises the water tank described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739816.7U CN203642477U (en) | 2013-11-20 | 2013-11-20 | High-waterproofness water tank and air-source water heater with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739816.7U CN203642477U (en) | 2013-11-20 | 2013-11-20 | High-waterproofness water tank and air-source water heater with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203642477U true CN203642477U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320739816.7U Expired - Fee Related CN203642477U (en) | 2013-11-20 | 2013-11-20 | High-waterproofness water tank and air-source water heater with same |
Country Status (1)
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|---|---|
| CN (1) | CN203642477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361600A (en) * | 2020-11-06 | 2021-02-12 | 珠海格力电器股份有限公司 | Sealed effectual casing subassembly and water heater |
-
2013
- 2013-11-20 CN CN201320739816.7U patent/CN203642477U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361600A (en) * | 2020-11-06 | 2021-02-12 | 珠海格力电器股份有限公司 | Sealed effectual casing subassembly and water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20191120 |