CN217082941U - Composite conical surface flexible connection structure of through type double-container electric water heater - Google Patents
Composite conical surface flexible connection structure of through type double-container electric water heater Download PDFInfo
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- CN217082941U CN217082941U CN202220209532.6U CN202220209532U CN217082941U CN 217082941 U CN217082941 U CN 217082941U CN 202220209532 U CN202220209532 U CN 202220209532U CN 217082941 U CN217082941 U CN 217082941U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 67
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of electric water heater, concretely relates to compound conical surface flexible connection structure of through double-container electric water heater. In order to make upper and lower inner bag reliably connect, connecting line's effective sealed, it is complicated to avoid the welding to lead to welding process after the equipment, reduces the interval between the inner bag as far as possible, the utility model discloses a compound conical surface flexible connection structure of through double-container electric water heater solves above-mentioned technical problem. In the composite conical surface flexible connection structure of the through type double-liner electric water heater of the utility model, the upper liner connection pipeline and the lower liner connection pipeline are inserted together; a sealing ring is arranged between the upper liner connecting pipeline and the lower liner connecting pipeline; the inner conical surface of the upper liner connecting pipeline is closely attached to the outer conical surface of the lower liner connecting pipeline; and a sealing ring is arranged between the inner conical surface and the outer conical surface. The utility model has the advantages that: the conical surface is matched and sealed, so that the problem of guiding deviation of the cylindrical surface is solved, and automatic guiding is realized by utilizing the conical surface matching; the conical surface plays a role in auxiliary sealing.
Description
Technical Field
The utility model belongs to the technical field of electric water heater, concretely relates to compound conical surface flexible connection structure of through double-container electric water heater.
Background
With the improvement of the living demands of people, the electric water heater is not required to be installed in different rooms, does not generate harmful gas, is fast and convenient in temperature adjustment, is safe and reliable, and is selected by thousands of households as a household appliance. As one of the common electric water heaters, the dual-bladder electric water heater has fast heating and variable volume functions, and is therefore favored by more and more users. In the prior art, the through type electric water heater with double inner containers comprises an upper inner container, a lower inner container and two connecting pipes for communicating the upper inner container and the lower inner container. Adopt traditional equipment back integrative welding mode, must increase the double container interval for electric water heater's effective space reduces, influences user's use and experiences. The installation is carried out by adopting a respective welding mode, and the sealing problem between two welded connecting pipes also exists.
CN205536499U discloses a water heater with a through anode device, the electric water heater disclosed in the patent technical solution includes two inner containers, and also discloses that the two inner containers are mutually through, but does not provide a technical problem how to solve the sealing and penetrating of the two inner containers.
CN208253943U discloses an electric water heater double inner container structure, and this technical scheme's double inner container is for erectting the setting side by side, and two inner container connecting line spaces are spacious, and the sealed connection problem is very solved to current technical scheme. However, the technical scheme cannot solve the problem of sealing the upper liner and the lower liner which are connected in a penetrating way, and particularly when the distance between the two liners needs to be shortened as much as possible, the existing technical scheme is implemented due to insufficient operation space.
CN203586523U discloses an electromagnetic water storage type ultrathin water heater with two inner containers, which does not disclose a sealing connection technical solution of a connection pipe between two inner containers, nor indicates how to reduce the distance between two inner containers on the premise of ensuring sealing.
The existing double-liner water heater has the defect that the whole space is enlarged due to overlarge distance between two liners; in the case of assembling two inner containers, welding operation cannot be performed in a narrow space, and welding quality reliability is lowered even if welding is performed only with difficulty.
In order to make upper and lower inner bag reliably connect, avoid because the welding defect that the welding leads to welding process complicated, the welding degree of difficulty is big and probably produce after the equipment, effective sealing between two connecting tube when guaranteeing simultaneously that the upper and lower inner bag link up reduces the interval between the inner bag as far as possible, the utility model discloses a compound conical surface flexible connection structure of through-type two courage electric water heater solves above-mentioned technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compound conical surface flexible connection structure of through type double container electric water heater solves above-mentioned technical problem.
The utility model discloses some position nouns among the technical scheme, such as go up inner bag, lower inner bag, go up connecting tube, down the position word in the connecting tube "go up" or "down" neither mean the position of product when the installation, also mean the position of a certain view of specification attached drawing, just distinguish for the convenience of description. Similarly, the "protrusion" mentioned in the present invention is only to express that the cross section of a certain technical feature extends or sweeps to a certain direction along the axis, and the same description effect can be achieved by using "protrusion" or "recess" or other similar words, and the "protrusion" and "recess" in the present invention are not the only explanations of the technical solutions of the present invention.
Specifically, the utility model discloses an adopt following technical scheme to realize: the utility model adopts the technical proposal that:
the utility model relates to a composite conical surface flexible connection structure of a through type double-liner electric water heater, which comprises an upper liner, a lower liner, an upper liner connecting pipeline and a lower liner connecting pipeline; the upper liner and the upper liner are connected into a whole through a connecting pipeline, and the lower liner are connected into a whole through a connecting pipeline; the upper liner connecting pipeline and the lower liner connecting pipeline are spliced together; a sealing ring is arranged between the upper liner connecting pipeline and the lower liner connecting pipeline; the inner diameter of the upper end of the upper liner connecting pipeline changes from small to large so that the inner contour of the upper end of the upper liner connecting pipeline forms an inner conical surface, and the outer diameter of the upper end of the lower liner connecting pipeline changes from small to large so that the outer contour of the upper end of the lower liner connecting pipeline forms an outer conical surface; the shape and the size of the inner conical surface of the upper liner connecting pipeline are matched with the shape and the size of the outer conical surface of the lower liner connecting pipeline, so that the inner conical surface of the upper liner connecting pipeline is tightly attached to the outer conical surface of the lower liner connecting pipeline; the sealing ring is arranged between the inner conical surface of the upper liner connecting pipeline and the outer conical surface of the lower liner connecting pipeline.
Furthermore, the utility model discloses a compound conical surface flexible connection structure of through-type double-liner electric water heater, the whole upper liner and the whole lower liner are both cylinder-shaped in the middle, both ends are arc dome-shaped, and one end is provided with a fabrication hole; the root of the joint of the upper liner connecting pipeline and the upper liner is a platform which protrudes out of the cylindrical bus of the upper liner; the upper liner connecting pipeline protrudes into the upper liner; the root of the joint of the lower liner connecting pipeline and the lower liner is a platform which is protruded out of a cylindrical bus of the lower liner; the lower liner connecting pipeline protrudes out of the lower liner; the upper liner connecting pipeline is of a stepped structure, and the lower liner connecting pipeline is of a stepped structure matched with the upper liner in connection management; a sealing ring is arranged between the step structure step junction surface of the upper liner connecting pipeline and the step structure step junction surface of the lower liner connecting pipeline; the inner wall of an opening at the upper end of the upper liner connecting pipeline is an inner conical surface, the outer wall at the upper end of the lower liner connecting pipeline is an outer conical surface, and the inner conical surface of the inner wall at the upper end of the upper liner connecting pipeline is tightly attached to the outer conical surface of the outer wall at the upper end of the lower liner connecting pipeline.
Furthermore, in the flexible connecting structure of the composite conical surface of the run-through type electric water heater with double inner containers of the utility model, the upper inner container connecting pipeline and the upper inner container are welded into a whole; the lower liner connecting pipeline and the lower liner are welded into a whole, and the outer wall of the lower liner connecting pipeline is provided with a sealing groove for accommodating a sealing ring.
Furthermore, in the flexible connecting structure of the composite conical surface of the run-through type electric water heater with double inner containers of the utility model, the upper inner container connecting pipeline and the upper inner container are welded into a whole; the tail end of the upper liner connecting pipeline is provided with a step, and the lower liner connecting pipeline and the lower liner are welded into a whole; the outer wall of the upper liner connecting pipeline is provided with a sealing groove for accommodating a sealing ring.
Furthermore, in the flexible connecting structure of the composite conical surface of the run-through type double-liner electric water heater of the utility model, the end of the upper liner connecting pipeline is provided with a step; the tail end of the lower liner connecting pipeline is tightly attached to a step surface arranged at the tail end of the upper liner connecting pipeline.
Furthermore, in the flexible connecting structure of the composite conical surface of the run-through type double-liner electric water heater of the utility model, the end of the upper liner connecting pipeline is provided with a step; the tail end of the lower liner connecting pipeline is tightly attached to a step surface arranged at the tail end of the upper liner connecting pipeline; the sealing device is characterized in that a sealing ring is arranged between the steps arranged at the tail end of the lower liner connecting pipeline and the tail end of the upper liner connecting pipeline, and a sealing groove for accommodating the sealing ring is arranged at the tail end of the lower liner connecting pipeline.
Furthermore, in the flexible connecting structure of the composite conical surface of the run-through type electric water heater with double inner containers of the utility model, the connecting pipeline of the upper inner container and the connecting pipeline of the lower inner container are connected by a buckle structure; the male head of the buckle structure of the upper liner connecting pipeline is buckled with the female head of the buckle structure of the lower liner connecting pipeline.
Furthermore, the composite conical surface flexible connection structure of the through-type double-liner electric water heater of the utility model also comprises a hanging device and a strapping tape, wherein the hanging device is fixedly connected with the upper liner and the lower liner simultaneously; the taper of the inner conical surface of the upper liner connecting pipeline and the taper of the outer conical surface of the lower liner connecting pipeline are 5-10 degrees; the upper liner and the lower liner are fixedly bound together by the binding belt; the number of the strapping tapes is at least two.
Furthermore, the utility model discloses a compound conical surface flexible connection structure of through type double-container electric water heater, the sealed slot quantity be 2; the sealing ring is an O-shaped sealing ring.
Furthermore, in the composite conical surface flexible connection structure of the run-through type double-liner electric water heater of the present invention, the number of the sealing grooves is 3; the sealing ring is an O-shaped sealing ring.
The utility model has the advantages that: the conical surface is matched and sealed, the problem of guiding deviation of the cylindrical surface is solved, and automatic guiding of inserting connection of the two groups of connecting pipelines can be realized by utilizing the inner conical surface and the outer conical surface; in the sealing process, besides the sealing function of the sealing ring, the two groups of conical surfaces which are mutually compressed also play an auxiliary sealing function, so that the sealing effect is further improved; because the automatic guiding can correct the welding deformation.
Drawings
Fig. 1 is a three-dimensional schematic view of a composite conical surface flexible connection structure of a run-through type double-liner electric water heater according to the present invention;
fig. 2 is a schematic longitudinal sectional view of a flexible connection structure of a composite conical surface of a run-through double-liner electric water heater according to the present invention;
fig. 3 is a schematic cross-sectional view of the composite conical surface flexible connection structure of the through-type double-liner electric water heater of the present invention;
fig. 4 is a cross sectional partial enlarged view of a composite conical surface flexible connection structure of a run-through double-liner electric water heater according to the present invention;
fig. 5 is a schematic cross-sectional view of a lower bladder connection pipeline of a composite conical surface flexible connection structure of a run-through double-bladder electric water heater according to the present invention;
fig. 6 is a three-dimensional schematic view of a lower liner connecting pipeline of a composite conical surface flexible connecting structure of a run-through double-liner electric water heater according to the present invention;
fig. 7 is a schematic sectional view of an upper bladder connection pipeline of a composite conical surface flexible connection structure of a run-through double-bladder electric water heater according to the present invention;
the symbols in the drawings illustrate that: 1. an upper inner container; 2. a lower liner; 3. the upper liner is connected with a pipeline; 4. the lower liner is connected with a pipeline; 5. a seal ring; 6. a heating device mounting hole; 7. an end face seal ring; 8. a hanging device; 9. a buckle structure; 901. a male head of a buckle structure; 902. a snap-fit structure female head; 10. and (4) strapping tapes.
Detailed Description
The technical solution in the embodiment of the present invention will be further described with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments.
Example 1:
as shown in fig. 1-7, the flexible connection structure of the composite conical surface of the through-type double-liner electric water heater of the present invention comprises an upper liner 1, a lower liner 2, an upper liner connection pipeline 3, and a lower liner connection pipeline 4; the upper liner 1 and the upper liner connecting pipeline 3 are connected into a whole, and the lower liner 3 and the lower liner connecting pipeline 4 are connected into a whole; the upper liner connecting pipeline 3 and the lower liner connecting pipeline 4 are spliced together; a sealing ring 5 is arranged between the upper liner connecting pipeline 3 and the lower liner connecting pipeline 4; the inner diameter of the upper end of the upper liner connecting pipeline 3 changes from small to large so that the inner contour of the upper end of the upper liner connecting pipeline 3 forms an inner conical surface, and the outer diameter of the upper end of the lower liner connecting pipeline 4 changes from small to large so that the outer contour of the upper end of the lower liner connecting pipeline 4 forms an outer conical surface; the shape and the size of the inner conical surface of the upper liner connecting pipeline 3 are matched with the shape and the size of the outer conical surface of the lower liner connecting pipeline 4, so that the inner conical surface of the upper liner connecting pipeline 3 is tightly attached to the outer conical surface of the lower liner connecting pipeline 4; the sealing ring 5 is arranged between the inner conical surface of the upper liner connecting pipeline 3 and the outer conical surface of the lower liner connecting pipeline 4.
Furthermore, in the flexible connection structure of the composite conical surface of the through-type double-liner electric water heater of the utility model, the upper liner 1 and the lower liner 2 are both integrally cylindrical in the middle and arc dome-shaped at both ends, and one end of the upper liner and the lower liner is provided with a heating device mounting hole 6; the root of the joint of the upper liner connecting pipeline 3 and the upper liner 1 is a platform which protrudes out of a cylindrical bus of the upper liner; the upper liner connecting pipeline 3 protrudes into the upper liner 1; the root of the joint of the lower liner connecting pipeline 4 and the lower liner 2 is a platform which protrudes out of a cylindrical bus of the lower liner; the lower liner connecting pipeline 4 protrudes out of the lower liner 2; the upper liner connecting pipeline 3 is of a stepped structure, and the lower liner connecting pipeline 4 is of a stepped structure matched with the upper liner connecting pipeline 3; an end face sealing ring 7 is arranged between the step structure step junction surface of the upper liner connecting pipeline 3 and the step structure step junction surface of the lower liner connecting pipeline 4; the inner wall of an opening at the upper end of the upper liner connecting pipeline 3 is an inner conical surface, the outer wall at the upper end of the lower liner connecting pipeline 4 is an outer conical surface, and the inner conical surface of the inner wall at the upper end of the upper liner connecting pipeline 3 is closely attached to the outer conical surface of the outer wall at the upper end of the lower liner connecting pipeline 4.
Furthermore, in the flexible connecting structure of the composite conical surface of the through-type double-liner electric water heater of the utility model, the upper liner connecting pipeline 3 and the upper liner 1 are welded into a whole; the lower liner connecting pipeline 4 and the lower liner 2 are welded into a whole, and the outer wall of the lower liner connecting pipeline 4 is provided with a sealing groove for accommodating the sealing ring 5.
Furthermore, in the flexible connecting structure of the composite conical surface of the run-through type double-liner electric water heater of the utility model, the end of the upper liner connecting pipeline 3 is provided with a step; the tail end of the lower liner connecting pipeline 4 is tightly attached to a step surface arranged at the tail end of the upper liner connecting pipeline 3.
Furthermore, in the flexible connecting structure of the composite conical surface of the run-through type double-liner electric water heater of the utility model, the end of the upper liner connecting pipeline 3 is provided with a step; the tail end of the lower liner connecting pipeline 4 is tightly attached to a step surface arranged at the tail end of the upper liner connecting pipeline 3; an end face seal ring 7 is arranged between the steps arranged at the tail end of the lower liner connecting pipeline 4 and the tail end of the upper liner connecting pipeline 3, and a seal groove for accommodating the end face seal ring 7 is arranged at the tail end of the lower liner connecting pipeline 4.
Furthermore, the composite conical surface flexible connection structure of the through-type double-liner electric water heater of the utility model also comprises a hanging device 8 and a strapping tape 10, wherein the hanging device 8 is fixedly connected with the upper liner 1 and the lower liner 2 simultaneously; the taper of the inner conical surface of the upper liner connecting pipeline 3 and the taper of the outer conical surface of the lower liner connecting pipeline 4 are 5-10 degrees; the upper liner 1 and the lower liner 2 are fixedly bound together by the binding belt 10; the number of the strapping bands 10 is two.
Furthermore, the utility model discloses a compound conical surface flexible connection structure of through type double-container electric water heater for holding the sealing ring 5 the number of the sealing groove is 2; the sealing ring 5 is an O-shaped sealing ring.
Example 2:
as shown in fig. 1-7, the difference between the embodiment 2 and the embodiment 1 is that the number of the sealing grooves for accommodating the sealing rings 5 is 3 in the composite conical surface flexible connection structure of the through-type double-liner electric water heater of the present invention; the sealing ring 5 is an O-shaped sealing ring.
Example 3:
as shown in fig. 1-7, the difference between the embodiment 3 and the embodiment 1 is that, in the flexible connection structure of the composite conical surface of the through-type double-liner electric water heater of the present invention, the upper liner connection pipeline 3 and the upper liner 1 are welded together; the tail end of the upper liner connecting pipeline 3 is provided with a step, and the lower liner connecting pipeline 4 and the lower liner 2 are welded into a whole; and a sealing groove for accommodating a sealing ring 5 is arranged on the outer wall of the upper liner connecting pipeline 3.
Example 4:
as shown in fig. 1-7, the difference between the embodiment 3 and the embodiment 1 is that, in the flexible connection structure of the composite conical surface of the through-type double-liner electric water heater of the present invention, the upper liner connection pipeline 3 and the lower liner connection pipeline 4 are connected by a snap structure 9; the male head 901 of the upper liner connecting pipeline 3 is buckled with the female head 902 of the lower liner connecting pipeline 4.
The utility model has the advantages that: the conical surface is matched and sealed, the problem of guiding deviation of the cylindrical surface is solved, and automatic guiding of inserting connection of the two groups of connecting pipelines can be realized by utilizing the inner conical surface and the outer conical surface; in the sealing process, besides the sealing function of the sealing ring, the two groups of conical surfaces which are mutually compressed also play an auxiliary sealing function, so that the sealing effect is further improved; because the automatic guiding can correct the welding deformation.
The above embodiments are merely examples for clearly illustrating the present invention, and it is obvious to those skilled in the art that variations or modifications can be made in the above embodiments, and all such variations or modifications are intended to be within the scope of the present invention.
Claims (10)
1. A composite conical surface flexible connection structure of a through type double-liner electric water heater is characterized by comprising an upper liner, a lower liner, an upper liner connecting pipeline and a lower liner connecting pipeline; the upper liner and the upper liner are connected into a whole through a connecting pipeline, and the lower liner are connected into a whole through a connecting pipeline; the upper liner connecting pipeline and the lower liner connecting pipeline are spliced together; a sealing ring is arranged between the upper liner connecting pipeline and the lower liner connecting pipeline; the inner diameter of the upper end of the upper liner connecting pipeline changes from small to large so that the inner contour of the upper end of the upper liner connecting pipeline forms an inner conical surface, and the outer diameter of the upper end of the lower liner connecting pipeline changes from small to large so that the outer contour of the upper end of the lower liner connecting pipeline forms an outer conical surface; the shape and the size of the inner conical surface of the upper liner connecting pipeline are matched with the shape and the size of the outer conical surface of the lower liner connecting pipeline, so that the inner conical surface of the upper liner connecting pipeline is tightly attached to the outer conical surface of the lower liner connecting pipeline; the sealing ring is arranged between the inner conical surface of the upper liner connecting pipeline and the outer conical surface of the lower liner connecting pipeline.
2. The composite conical surface flexible connection structure of the through type double-liner electric water heater as claimed in claim 1, wherein the whole upper liner and the whole lower liner are both cylindrical in the middle, arc dome-shaped at both ends and provided with a fabrication hole at one end; the root of the joint of the upper liner connecting pipeline and the upper liner is a platform which protrudes out of the cylindrical bus of the upper liner; the upper liner connecting pipeline protrudes into the upper liner; the root of the joint of the lower liner connecting pipeline and the lower liner is a platform which is protruded out of a cylindrical bus of the lower liner; the lower liner connecting pipeline protrudes out of the lower liner; the upper liner connecting pipeline is of a stepped structure, and the lower liner connecting pipeline is of a stepped structure matched with the upper liner in connection management; a sealing ring is arranged between the step structure step junction surface of the upper liner connecting pipeline and the step structure step junction surface of the lower liner connecting pipeline; the inner wall of an opening at the upper end of the upper liner connecting pipeline is an inner conical surface, the outer wall at the upper end of the lower liner connecting pipeline is an outer conical surface, and the inner conical surface of the inner wall at the upper end of the upper liner connecting pipeline is tightly attached to the outer conical surface of the outer wall at the upper end of the lower liner connecting pipeline.
3. The composite conical surface flexible connecting structure of the through type double-liner electric water heater as claimed in claim 2, wherein the upper liner connecting pipeline and the upper liner are welded into a whole; the lower liner connecting pipeline and the lower liner are welded into a whole, and the outer wall of the lower liner connecting pipeline is provided with a sealing groove for accommodating a sealing ring.
4. The composite conical surface flexible connecting structure of the through type double-liner electric water heater as claimed in claim 2, wherein the upper liner connecting pipeline and the upper liner are welded into a whole; the tail end of the upper liner connecting pipeline is provided with a step, and the lower liner connecting pipeline and the lower liner are welded into a whole; the outer wall of the upper liner connecting pipeline is provided with a sealing groove for accommodating a sealing ring.
5. The through type double liner electric water heater composite conical surface flexible connection structure according to claim 3, characterized in that the end of the upper liner connecting pipeline is provided with a step; the tail end of the lower liner connecting pipeline is tightly attached to a step surface arranged at the tail end of the upper liner connecting pipeline.
6. The through type double liner electric water heater composite conical surface flexible connection structure according to claim 3, characterized in that the end of the upper liner connecting pipeline is provided with a step; the tail end of the lower liner connecting pipeline is tightly attached to a step surface arranged at the tail end of the upper liner connecting pipeline; the sealing device is characterized in that a sealing ring is arranged between the steps arranged at the tail end of the lower liner connecting pipeline and the tail end of the upper liner connecting pipeline, and a sealing groove for accommodating the sealing ring is arranged at the tail end of the lower liner connecting pipeline.
7. The through type double-liner electric water heater composite conical surface flexible connection structure according to claim 3, characterized in that the upper liner connection pipeline and the lower liner connection pipeline are connected by a buckle structure; the male head of the buckle structure of the upper liner connecting pipeline is buckled with the female head of the buckle structure of the lower liner connecting pipeline.
8. The penetrating type double-liner electric water heater composite conical surface flexible connection structure according to any one of claims 1 to 7, characterized by further comprising a hanging device and a strapping tape, wherein the hanging device is fixedly connected with the upper liner and the lower liner at the same time; the taper of the inner conical surface of the upper liner connecting pipeline and the taper of the outer conical surface of the lower liner connecting pipeline are 5-10 degrees; the upper liner and the lower liner are fixedly bound together by the binding belt.
9. A compound cone surface flexible connecting structure of a through type double-liner electric water heater as claimed in claim 3 or 4, wherein the number of the sealing grooves is 2; the sealing ring is an O-shaped sealing ring.
10. A through type double bladder electric water heater composite conical surface flexible connection structure as claimed in any one of claims 3 or 4, wherein the number of said sealing grooves is 3; the sealing ring is an O-shaped sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220209532.6U CN217082941U (en) | 2022-01-25 | 2022-01-25 | Composite conical surface flexible connection structure of through type double-container electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220209532.6U CN217082941U (en) | 2022-01-25 | 2022-01-25 | Composite conical surface flexible connection structure of through type double-container electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217082941U true CN217082941U (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220209532.6U Expired - Fee Related CN217082941U (en) | 2022-01-25 | 2022-01-25 | Composite conical surface flexible connection structure of through type double-container electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217082941U (en) |
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2022
- 2022-01-25 CN CN202220209532.6U patent/CN217082941U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220729 |
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