CN114576858A - Flexible connection composite conical surface structure of through type electric water heater double-container - Google Patents

Flexible connection composite conical surface structure of through type electric water heater double-container Download PDF

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Publication number
CN114576858A
CN114576858A CN202210088040.0A CN202210088040A CN114576858A CN 114576858 A CN114576858 A CN 114576858A CN 202210088040 A CN202210088040 A CN 202210088040A CN 114576858 A CN114576858 A CN 114576858A
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CN
China
Prior art keywords
connecting pipeline
pipeline
conical surface
liner
water heater
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Pending
Application number
CN202210088040.0A
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Chinese (zh)
Inventor
郝国祥
梁森
车清论
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Qingdao University of Technology
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Qingdao University of Technology
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Publication date
Application filed by Qingdao University of Technology filed Critical Qingdao University of Technology
Priority to CN202210088040.0A priority Critical patent/CN114576858A/en
Publication of CN114576858A publication Critical patent/CN114576858A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/0005—Details for water heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/14—Arrangements for connecting different sections, e.g. in water heaters 
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

Abstract

The invention belongs to the technical field of electric water heaters, and particularly relates to a flexible connection composite conical surface structure of double containers of a through type electric water heater. The problem that two groups of connecting pipelines cannot be accurately installed due to over-positioning is avoided; the invention solves the technical problem by providing a flexible connection composite conical surface structure of double containers of a through type electric water heater. According to the flexible connection composite conical surface structure of the double containers of the through type electric water heater, the upper connecting pipeline and the lower connecting pipeline are inserted together; the straight inner pipeline of the lower connecting pipeline is flexibly connected with the conical sealing sleeve through an elastic device, and the conical sealing sleeve is sealed with the upper connecting pipeline through a sealing ring. The end face seal is matched with the cylindrical surface seal, so that effective seal is ensured; the flexible connection is realized by adopting the elastic device, the occurrence of the over-positioning problem is avoided, and the accurate insertion of the two groups of connecting pipelines is ensured.

Description

Flexible connection composite conical surface structure of double containers of through type electric water heater
Technical Field
The invention belongs to the technical field of electric water heaters, and particularly relates to a flexible connection composite conical surface structure of double containers of a through type 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 adoption is welded the mode respectively and is installed, has the sealed problem between the connecting pipe after two weldings again, simultaneously because welding deformation, two pairs of connecting tube connect simultaneously and must lead to the location problem.
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 reliably connect the upper inner container and the lower inner container, the complex welding process caused by welding after assembly is avoided, and the problem that two groups of connecting pipelines cannot be accurately installed due to over-positioning is avoided; the invention solves the technical problems by providing a flexible connection composite conical surface structure of double containers of the through type electric water heater.
Disclosure of Invention
The invention aims to provide a flexible connection composite conical surface structure of double liners of a through electric water heater to solve the technical problem.
In the technical scheme of the invention, the orientation terms such as upper liner, lower liner, upper connecting pipeline and lower connecting pipeline in the technical scheme of the invention are not only the position of the product when being installed, but also the orientation of a certain view in the attached drawings of the specification, and are distinguished for the convenience of description. Similarly, the term "convex" in the present specification is only used to express that the cross section of a certain technical feature extends or sweeps to a certain extent along the axis thereof in a certain direction, and the same description effect can be achieved by using "convex" or "concave" or other similar words, and the term "convex" and "concave" in the present specification is not the only explanation of the technical solution of the present invention.
Specifically, the invention is realized by adopting the following technical scheme:
the invention relates to a flexible connection composite conical surface structure of double liners of a through type electric water heater, which comprises an upper liner, a lower liner, an upper connecting pipeline and a lower connecting pipeline, wherein the upper liner is fixedly connected with the upper connecting pipeline; the upper inner container and the upper connecting pipeline are connected into a whole, and the lower inner container and the lower connecting pipeline are connected into a whole; the upper connecting pipeline and the lower connecting pipeline are spliced together; the upper connecting pipeline is provided with a stroke stopping end cover, the stroke stopping end cover is provided with a through hole, and an end face sealing ring is arranged between the stroke stopping end cover of the lower connecting pipeline and the stroke stopping end cover of the upper connecting pipeline; the lower connecting pipeline comprises a straight inner pipeline and a conical sealing sleeve, and the conical sealing sleeve is sleeved on the straight inner pipeline; the outer wall of the straight-cylinder inner pipeline of the lower connecting pipeline is provided with a bearing step, an elastic device is arranged between the conical sealing sleeve and the bearing step of the straight-cylinder inner pipeline of the lower connecting pipeline, and the elastic device is sleeved on the outer wall of the straight-cylinder inner pipeline; the outer wall of the conical sealing sleeve is conical, an inner hole of the conical sealing sleeve is a cylindrical through hole, and the inner hole wall of the upper connecting pipeline is conical; and a sealing ring is arranged between the straight-cylinder inner pipeline and the conical sealing sleeve.
Furthermore, the inner diameter of the upper connecting pipeline is changed in a step mode, and the outer diameter of the lower connecting pipeline is changed in a step mode; the inner diameter of the through hole of the upper connecting pipeline end cover changes from small to large so that the inner contour of the upper end of the upper connecting pipeline forms an inner conical surface, and the outer diameter of the through hole part of the end cover, inserted into the upper connecting pipeline, of the upper end of the lower connecting pipeline changes from small to large so that the outer contour of the upper end of the lower connecting pipeline forms an outer conical surface matched with the inner conical surface of the end cover; the inner wall of the main pipeline of the upper connecting pipeline is an inner conical surface which is matched with the shape and the size of the outer conical surface of the conical sealing sleeve of the lower connecting pipeline in shape and size, so that the inner conical surface of the upper connecting pipeline is tightly attached to the outer conical surface of the conical sealing sleeve of the lower connecting pipeline.
Furthermore, the invention relates to a flexible connection composite conical surface structure of double liners of the through type electric water heater, wherein the whole upper liner and the whole lower liner are both in a cylindrical shape in the middle, two ends of the upper liner and the lower liner are in arc dome shapes, and one end of the upper liner and one end of the lower liner are provided with a process hole; the root of the joint of the upper connecting pipeline and the upper liner is a platform which protrudes out of the cylindrical bus of the upper liner; the upper connecting pipeline protrudes into the upper inner container; the root of the joint of the lower connecting pipeline and the lower inner container is a platform which protrudes out of a cylindrical bus of the lower inner container; the lower connecting pipeline protrudes out of the lower inner container; the lower connecting pipeline is inserted into the upper connecting pipeline.
Furthermore, the flexible connection composite conical surface structure of the through type electric water heater double-liner is characterized in that the upper connecting pipeline and the upper liner are welded into a whole, the lower connecting pipeline and the lower liner are welded into a whole, the outer wall of the conical sealing sleeve of the lower connecting pipeline is provided with a groove for accommodating a sealing ring, and the sealing ring is arranged in the groove arranged on the outer wall of the conical sealing sleeve of the lower connecting pipeline.
Furthermore, the flexible connection composite conical surface structure of the through type electric water heater double-liner is characterized in that an upper pipeline flange is arranged at the joint of the upper connecting pipeline and the upper liner, a lower pipeline flange is arranged at the joint of the lower connecting pipeline and the lower liner, and the upper pipeline flange is buckled with the lower pipeline flange through a buckle structure; the upper pipeline flange is provided with a buckle male head, the lower pipeline flange is provided with a buckle female head, and the buckle male head is buckled with the buckle female head.
Furthermore, the flexible connection composite conical surface structure of the through type electric water heater double-liner also comprises a bundling device, wherein the bundling device is used for bundling and fixing the upper liner and the lower liner together.
Furthermore, the flexible connection composite conical surface structure of the double containers of the through type electric water heater is characterized in that a guide conical surface body is arranged at the tail end of the lower connecting pipeline; the tail end of the lower connecting pipeline is tightly attached to a stop end cover arranged at the tail end of the upper connecting pipeline, and a through hole through which a guide conical surface body penetrates through the stop end cover is formed in the tail end of the lower connecting pipeline.
Furthermore, the flexible connection composite conical surface structure of the double containers of the through type electric water heater also comprises hanging devices which are symmetrically and uniformly arranged; the hanging device is fixedly connected with the upper inner container and the lower inner container at the same time.
Furthermore, the through type electric water heater double-liner flexible connection composite conical surface structure is characterized in that the number of the sealing grooves is 2; the sealing ring is an O-shaped sealing ring.
Furthermore, the through type electric water heater double-liner flexible connection composite conical surface structure is characterized in that the number of the sealing grooves is 3; the sealing ring is an O-shaped sealing ring.
The invention has the advantages that: the conical surfaces are matched and sealed, and the automatic guiding of the insertion 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; the flexible connection is realized by adopting the elastic device, the occurrence of the over-positioning problem is avoided, and the accurate insertion of the two groups of connecting pipelines is ensured.
Drawings
FIG. 1 is a three-dimensional schematic view of a flexible connection composite conical surface structure of double bladders of a through type electric water heater according to the present invention;
FIG. 2 is a schematic longitudinal sectional view of a flexible connection composite conical surface structure of a double bladder of a run-through electric water heater according to the present invention;
FIG. 3 is a schematic cross-sectional view of a flexible connection composite conical surface structure of a double bladder of a run-through electric water heater according to the present invention;
FIG. 4 is a partially enlarged cross-sectional view of a flexible connection composite conical surface structure of the double bladder of the run-through electric water heater according to the present invention;
FIG. 5 is a schematic sectional view of an upper connecting pipeline of a flexible connecting composite conical surface structure of double liners of a through type electric water heater according to the present invention;
FIG. 6 is a three-dimensional schematic view of a lower connecting pipeline of a flexible connecting composite conical surface structure of a double liner of a run-through electric water heater according to the present invention;
FIG. 7 is a schematic cross-sectional view of a lower connecting pipeline of a flexible connecting composite conical surface structure of a double liner of a run-through electric water heater according to the present invention;
FIG. 8 is a schematic perspective view of a lower connecting pipe of a flexible connecting composite conical surface structure of a double bladder of a run-through electric water heater according to the present invention;
FIG. 9 is a schematic sectional view of an upper connecting pipeline of a flexible connecting composite conical surface structure of double liners of a through type electric water heater according to the present invention;
FIG. 10 is a schematic cross-sectional view of a lower connecting pipeline of embodiment 2 of a flexible connecting composite conical surface structure of a double bladder of a run-through 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. an upper connecting pipeline; 4. a lower connecting pipeline; 5. a stop end cover; 6. through holes; 7. an end face seal ring; 8. a straight cylindrical inner pipeline; 9. a conical sealing sleeve; 10. a bearing step; 11. an elastic device; 12. a heating device mounting hole; 13. a seal ring; 14. An upper pipeline flange; 15. a lower pipeline flange; 16. a male head is buckled; 17. buckling the female head; 18. a guide conical surface body; 19. a hanging device; 20. a buckle structure; 21. an inner pipeline sealing ring; 22. provided is a binding device.
Detailed Description
The technical solutions in the embodiments of the present invention will be further described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention.
Example 1:
as shown in fig. 1-4 and 7-9, the flexible connection composite conical surface structure of the through type electric water heater double-liner comprises an upper liner 1, a lower liner 2, an upper connecting pipeline 3 and a lower connecting pipeline 4; the upper liner 1 is connected with an upper connecting pipeline 3 into a whole, and the lower liner 2 is connected with a lower connecting pipeline 4 into a whole; the upper connecting pipeline 3 and the lower connecting pipeline 4 are spliced together; the upper connecting pipeline 3 is provided with a stroke end cover 5, the stroke end cover 5 is provided with a through hole 6, and an end face sealing ring 7 is arranged between the lower connecting pipeline 4 and the stroke end cover 5 of the upper connecting pipeline 3; the lower connecting pipeline 3 comprises a straight inner pipeline 8 and a conical sealing sleeve 9, and the conical sealing sleeve 9 is sleeved on the straight inner pipeline 8; the outer wall of the straight-tube inner pipeline 8 of the lower connecting pipeline 4 is provided with a bearing step 10, an elastic device 11 is arranged between the conical sealing sleeve 9 and the bearing step 10 of the straight-tube inner pipeline of the lower connecting pipeline 4, and the elastic device 11 is sleeved on the outer wall of the straight-tube inner pipeline 8; the outer wall of the conical sealing sleeve 9 is conical, the inner hole of the conical sealing sleeve is a cylindrical through hole, and the inner hole wall of the upper connecting pipeline is conical; an inner pipeline sealing ring 21 is arranged between the straight inner pipeline 8 and the conical sealing sleeve 9.
Furthermore, the inner diameter of the upper connecting pipeline 3 is changed in a step mode, and the outer diameter of the lower connecting pipeline 4 is changed in a step mode; the inner diameter of the through hole 6 of the stop end cover 5 on the upper connecting pipeline 3 changes from small to large so that the inner contour of the upper end of the upper connecting pipeline 3 forms an inner conical surface, and the outer diameter of the part, inserted into the through hole 6 of the stop end cover 5 of the upper connecting pipeline 3, of the upper end of the lower connecting pipeline 4 changes from small to large so that the outer contour of the upper end of the lower connecting pipeline 4 forms an outer conical surface matched with the inner conical surface of the stop end cover 5; the inner wall of the main pipeline of the upper connecting pipeline 3 is an inner conical surface which is matched with the shape and the size of the outer conical surface of the conical sealing sleeve of the lower connecting pipeline 4, so that the inner conical surface of the upper connecting pipeline 3 is tightly attached to the outer conical surface of the conical sealing sleeve 9 of the lower connecting pipeline 4.
Furthermore, the invention relates to a flexible connection composite conical surface structure of double containers of a through type electric water heater, wherein the upper container 1 and the lower container 2 are both integrally cylindrical in the middle and arc-dome-shaped at two ends, and one end of the upper container and the lower container is provided with a heating device mounting hole 12; the root of the joint of the upper connecting pipeline 3 and the upper liner 1 is a platform which protrudes out of the cylindrical bus of the upper liner; the upper connecting pipeline 3 protrudes into the upper inner container 1; the root of the joint of the lower connecting pipeline 4 and the lower liner 2 is a platform which protrudes out of a cylindrical bus of the lower liner; the lower connecting pipeline 4 protrudes out of the lower inner container 2; the lower connecting line 4 is inserted into the upper connecting line 3.
Furthermore, the flexible connection composite conical surface structure of the through type electric water heater double-liner is characterized in that an upper pipeline flange 14 is arranged at the joint of the upper connecting pipeline 3 and the upper liner 1, a lower pipeline flange 15 is arranged at the joint of the lower connecting pipeline 4 and the lower liner 2, and the upper pipeline flange 14 is buckled with the lower pipeline flange 15 through a buckle structure 20; the upper pipeline flange 14 is provided with a male buckle head 16, the lower pipeline flange 15 is provided with a female buckle head 17, and the male buckle head 16 is buckled with the female buckle head 17 together.
Furthermore, the flexible connection composite conical surface structure of the through type electric water heater double-liner also comprises a binding device 22, and the binding device 22 binds and fixes the upper liner 1 and the lower liner 2 together.
Furthermore, the invention relates to a flexible connection composite conical surface structure of double containers of the through type electric water heater, wherein a guide conical surface body 18 is arranged at the tail end of the lower connecting pipeline 4; the tail end of the lower connecting pipeline 4 is tightly attached to a stroke-stopping end cover 5 arranged at the tail end of the upper connecting pipeline 3, and a guide conical surface body 18 arranged at the tail end of the lower connecting pipeline 4 penetrates through a through hole 6 of the stroke-stopping end cover 5.
Furthermore, the flexible connection composite conical surface structure of the through type electric water heater double-liner also comprises hanging devices 19, wherein the hanging devices 19 are symmetrically and uniformly arranged; the hanging device 19 is fixedly connected with the upper inner container 1 and the lower inner container 2 at the same time.
Example 2:
as shown in fig. 1-2, 5-6 and 10, the difference between the embodiment 2 and the embodiment 1 is that, in the flexible connection composite conical surface structure of the through type electric water heater double-liner, the upper connecting pipeline 3 and the upper liner 1 are welded into a whole, the lower connecting pipeline 4 and the lower liner 2 are welded into a whole, the outer wall of the conical sealing sleeve 9 of the lower connecting pipeline 4 is provided with a groove for accommodating a sealing ring 13, and the sealing ring 13 is arranged in the groove arranged on the outer wall of the conical sealing sleeve 9 of the lower connecting pipeline 4.
The invention relates to a flexible connection composite conical surface structure of double containers of a through type electric water heater, wherein the number of sealing grooves is 2; the sealing ring is an O-shaped sealing ring.
Example 3:
the difference between the embodiment 3 and the embodiment 2 is that the number of the sealing grooves is 3; the sealing ring is an O-shaped sealing ring.
The invention has the advantages that: the invention has the advantages that: the conical surfaces are matched and sealed, and the automatic guiding of the insertion 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; the flexible connection is realized by adopting the elastic device, the occurrence of the problem of over-positioning is avoided, and the accurate insertion of the two groups of connecting pipelines is ensured.
The foregoing embodiments are merely exemplary for the purpose of clearly illustrating the invention and it will be apparent to those skilled in the art that variations and modifications are possible in light of the above teachings and all such variations and modifications are considered to be within the scope of the invention.

Claims (10)

1. A flexible connection composite conical surface structure of double liners of a through type electric water heater is characterized by comprising an upper liner, a lower liner, an upper connecting pipeline and a lower connecting pipeline; the upper inner container and the upper connecting pipeline are connected into a whole, and the lower inner container and the lower connecting pipeline are connected into a whole; the upper connecting pipeline and the lower connecting pipeline are spliced together; the upper connecting pipeline is provided with a stroke stopping end cover, the stroke stopping end cover is provided with a through hole, and an end face sealing ring is arranged between the stroke stopping end cover of the lower connecting pipeline and the stroke stopping end cover of the upper connecting pipeline; the lower connecting pipeline comprises a straight inner pipeline and a conical sealing sleeve, and the conical sealing sleeve is sleeved on the straight inner pipeline; the outer wall of the straight-cylinder inner pipeline of the lower connecting pipeline is provided with a bearing step, an elastic device is arranged between the conical sealing sleeve and the bearing step of the straight-cylinder inner pipeline of the lower connecting pipeline, and the elastic device is sleeved on the outer wall of the straight-cylinder inner pipeline; the outer wall of the conical sealing sleeve is conical, an inner hole of the conical sealing sleeve is a cylindrical through hole, and the inner hole wall of the upper connecting pipeline is conical; and a sealing ring is arranged between the straight-cylinder inner pipeline and the conical sealing sleeve.
2. The through type electric water heater double-liner flexible connection composite conical surface structure as claimed in claim 1, wherein the inner diameter of the upper connecting pipeline is changed in a step manner, and the outer diameter of the lower connecting pipeline is changed in a step manner; the inner diameter of the through hole of the upper connecting pipeline end cover changes from small to large so that the inner contour of the upper end of the upper connecting pipeline forms an inner conical surface, and the outer diameter of the through hole part of the end cover, inserted into the upper connecting pipeline, of the upper end of the lower connecting pipeline changes from small to large so that the outer contour of the upper end of the lower connecting pipeline forms an outer conical surface matched with the inner conical surface of the end cover; the inner wall of the main pipeline of the upper connecting pipeline is an inner conical surface which is matched with the shape and the size of the outer conical surface of the conical sealing sleeve of the lower connecting pipeline in shape and size, so that the inner conical surface of the upper connecting pipeline is tightly attached to the outer conical surface of the conical sealing sleeve of the lower connecting pipeline.
3. The flexible connection composite conical surface structure of the through type electric water heater double-liner as claimed in claim 1 or 2, characterized in that the upper liner and the lower liner are both integrally 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 connecting pipeline and the upper liner is a platform which protrudes out of the cylindrical bus of the upper liner; the upper connecting pipeline protrudes into the upper inner container; the root of the joint of the lower connecting pipeline and the lower inner container is a platform which protrudes out of a cylindrical bus of the lower inner container; the lower connecting pipeline protrudes out of the lower inner container; the lower connecting pipeline is inserted into the upper connecting pipeline.
4. The double-liner flexible connection composite conical surface structure of the through type electric water heater as claimed in claim 3, wherein the upper connecting pipeline and the upper liner are welded into a whole, the lower connecting pipeline and the lower liner are welded into a whole, the outer wall of the conical sealing sleeve of the lower connecting pipeline is provided with a groove for accommodating a sealing ring, and the sealing ring is arranged in the groove arranged on the outer wall of the conical sealing sleeve of the lower connecting pipeline.
5. The double-liner flexible connection composite conical surface structure of the through-type electric water heater as claimed in claim 4, wherein an upper pipeline flange is arranged at the joint of the upper connecting pipeline and the upper liner, a lower pipeline flange is arranged at the joint of the lower connecting pipeline and the lower liner, and the upper pipeline flange is buckled with the lower pipeline flange through a buckle structure; the upper pipeline flange is provided with a buckle male head, the lower pipeline flange is provided with a buckle female head, and the buckle male head is buckled with the buckle female head.
6. The double-liner flexible connection composite conical surface structure of the through electric water heater as recited in claim 4, further comprising a binding device, wherein the binding device binds and fixes the upper liner and the lower liner together.
7. The through type electric water heater double-liner flexible connection composite conical surface structure as claimed in claim 4, wherein a guide conical surface body is arranged at the tail end of the lower connecting pipeline; the tail end of the lower connecting pipeline is tightly attached to a stop end cover arranged at the tail end of the upper connecting pipeline, and a through hole through which a guide conical surface body penetrates through the stop end cover is formed in the tail end of the lower connecting pipeline.
8. The double-liner flexible connection composite conical surface structure of the through electric water heater as recited in claim 3, further comprising hanging means, said hanging means being symmetrically and uniformly arranged; the hanging device is fixedly connected with the upper inner container and the lower inner container at the same time.
9. The double-liner flexible connection composite conical surface structure of the through electric water heater as claimed in claim 4, wherein the number of the sealing grooves is 2-3; the sealing ring is an O-shaped sealing ring.
10. A through electric water heater double-bladder flexible connection composite conical surface structure as claimed in claim 5, wherein the number of said sealing grooves is 3; the sealing ring is an O-shaped sealing ring.
CN202210088040.0A 2022-01-25 2022-01-25 Flexible connection composite conical surface structure of through type electric water heater double-container Pending CN114576858A (en)

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Application Number Priority Date Filing Date Title
CN202210088040.0A CN114576858A (en) 2022-01-25 2022-01-25 Flexible connection composite conical surface structure of through type electric water heater double-container

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Application Number Priority Date Filing Date Title
CN202210088040.0A CN114576858A (en) 2022-01-25 2022-01-25 Flexible connection composite conical surface structure of through type electric water heater double-container

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CN114576858A true CN114576858A (en) 2022-06-03

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2454587Y (en) * 2000-09-27 2001-10-17 何茂财 Inner-tube mouth sealing device of water-storage type electric water heater
CN106164557A (en) * 2013-10-24 2016-11-23 世伟洛克公司 Single action promotion i.e. conduit connectable joint
CN109099297A (en) * 2018-09-13 2018-12-28 哈尔滨工程大学 A kind of hydrophone installation pedestal for pipeline noise testing
CN214370965U (en) * 2020-12-28 2021-10-08 广东万和电气有限公司 Connection structure and have its two inner bags electric water heater
CN113518879A (en) * 2019-04-01 2021-10-19 斯瓦戈洛克公司 Push to connect catheter adapter assembly and device
CN217082937U (en) * 2022-01-25 2022-07-29 青岛理工大学 Flexible-connection conical surface composite structure of through type double-liner electric water heater

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2454587Y (en) * 2000-09-27 2001-10-17 何茂财 Inner-tube mouth sealing device of water-storage type electric water heater
CN106164557A (en) * 2013-10-24 2016-11-23 世伟洛克公司 Single action promotion i.e. conduit connectable joint
CN109099297A (en) * 2018-09-13 2018-12-28 哈尔滨工程大学 A kind of hydrophone installation pedestal for pipeline noise testing
CN113518879A (en) * 2019-04-01 2021-10-19 斯瓦戈洛克公司 Push to connect catheter adapter assembly and device
CN214370965U (en) * 2020-12-28 2021-10-08 广东万和电气有限公司 Connection structure and have its two inner bags electric water heater
CN217082937U (en) * 2022-01-25 2022-07-29 青岛理工大学 Flexible-connection conical surface composite structure of through type double-liner electric water heater

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