CN214370965U - Connection structure and have its two inner bags electric water heater - Google Patents
Connection structure and have its two inner bags electric water heater Download PDFInfo
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- CN214370965U CN214370965U CN202023247513.2U CN202023247513U CN214370965U CN 214370965 U CN214370965 U CN 214370965U CN 202023247513 U CN202023247513 U CN 202023247513U CN 214370965 U CN214370965 U CN 214370965U
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Abstract
The utility model relates to an electric water heater's technical field, more specifically relates to a connection structure and have its two inner bags electric water heater, and connection structure includes first connecting pipe, second connecting pipe and flange, and first connecting pipe and the coaxial sealing connection of second connecting pipe, flange are including dismantling first flange and the second flange that connects, the both ends difference joint of first flange and second flange is in first connecting pipe outer wall, second connecting pipe outer wall, and two inner bags electric water heater include first inner bag, second inner bag and connection structure, and first connecting pipe is installed in first inner bag, and the second connecting pipe is installed in the second inner bag. The utility model has the advantages that the connection structure can effectively prevent liquid leakage and has good connection stability, the first inner container and the second inner container of the double-inner-container electric water heater can separately and independently complete the procedures of welding, sand blasting, enamel and the like, the enamel uniformity can be ensured, and the service life of the inner container is prolonged; and the production process can be reduced, the equipment investment is reduced, and the production efficiency is improved.
Description
Technical Field
The utility model relates to an electric water heater's technical field, more specifically relates to a connection structure and have its two inner bag electric water heater.
Background
At present, two inner containers of a core component of an industrial double-inner-container electric water heater product are connected together after being welded through two water pipes, then sand blasting and enamel are carried out, and water in the two inner containers can flow up and down through the two water pipes. The processes are complicated, the investment on equipment is large, the production efficiency is low, and the labor cost is high. In addition, after the water pipe and the inner container are welded, the bending position in the water pipe is difficult to polish, the sand blasting is incomplete, the enamel effect is poor or the enamel is not uniform, secondary enamel is needed, after the secondary enamel is performed, the thickness of the enamel layer of the inner container is not uniform, particularly, the porcelain explosion phenomenon easily occurs at the position of the joint of the two water pipes and the position with large enamel thickness.
Chinese patent CN205174832U discloses a double-liner structure of an electric water heater, which comprises an upper liner, a lower liner and a ferrule through joint, wherein two upper liner joints are arranged at the lower side of the upper liner, two lower liner joints are arranged at the upper side of the lower liner, external threads are arranged on the upper liner joints and the lower liner joints, the ferrule through joint comprises a screwed pipe and two nuts, the two nuts are respectively arranged at two ends of the screwed pipe, and the upper liner and the lower liner are connected through the ferrule through joint. Above-mentioned scheme passes through the cutting ferrule through joint and connects two inner bags and link up, easy to assemble and dismantlement, and two inner bags of above-mentioned scheme pass through the helicitic texture and connect, and the leakproofness is poor, the easy weeping that takes place.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a connection structure and have its two inner bag electric water heater, can install or dismantle conveniently, have better leakproofness and connection stability.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model provides a connecting structure, including first connecting pipe, second connecting pipe and flange, first connecting pipe and the coaxial sealing connection of second connecting pipe, flange is including dismantling first flange and the second flange that connects, the both ends difference joint of first flange and second flange is in first connecting pipe outer wall, second connecting pipe outer wall.
The first connecting pipe and the second connecting pipe are hermetically connected, so that liquid leakage can be effectively prevented; adopt flange connection between first connecting pipe, the second connecting pipe, can install or dismantle first connecting pipe and second connecting pipe conveniently, the simple operation just has better connection stability.
Further, one end of the second connecting pipe, which is close to the first connecting pipe, is provided with a mounting groove, and a sealing ring is mounted in the mounting groove.
Further, the mounting groove is of an annular structure, the sealing ring is a T-shaped sealing ring, and one end of the T-shaped sealing ring is embedded in the mounting groove.
Furthermore, first connecting pipe outer wall is equipped with first recess, second connecting pipe outer wall is equipped with the second recess, flange's both ends respectively with first recess, second recess joint.
Furthermore, the first compression flange and the second compression flange are identical in structure and are symmetrically arranged, and two sides of the first compression flange and two sides of the second compression flange are detachably connected.
Furthermore, the first compression flange and the second compression flange respectively comprise a sleeving part and two connecting parts, the connecting parts are connected to two sides of the sleeving part, and the sleeving part is sleeved at the connecting part of the first connecting pipe and the second connecting pipe.
Furthermore, the connecting part is provided with a connecting hole, and a connecting piece penetrates through the connecting hole; the two ends of the sleeving part are respectively provided with a first clamping part and a second clamping part, and the first clamping part and the second clamping part are respectively clamped in the first groove and the second groove.
Furthermore, the connecting piece includes bolt and nut, the one end of bolt is passed behind two sets of connecting holes and is connected fixedly with the nut.
Furthermore, the first groove and the second groove are symmetrical to two sides of the joint of the first connecting pipe and the second connecting pipe.
The utility model also provides a two inner bag electric water heater, including first inner bag, second inner bag and as before connection structure, first connecting pipe is installed in first inner bag, the second connecting pipe is installed in the second inner bag.
The utility model discloses a double-liner electric water heater, can conveniently install and dismantle between first inner bag and the second inner bag, both can be separated and accomplish processes such as welding, sandblast, enamel alone, can guarantee the enamel homogeneity of first inner bag and second inner bag, improve the life of inner bag; and the production processes of the first inner container and the second inner container are generalized, so that the production processes can be reduced, the equipment investment is reduced, and the production efficiency is improved.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a connection structure and have its two inner bags electric water heater, connection structure can effectively prevent the weeping, connect stable good, and can install and dismantle conveniently, and the first inner bag and the second inner bag of two inner bags electric water heater can be separated and accomplish processes such as welding, sandblast, enamel alone, can guarantee the enamel homogeneity of first inner bag and second inner bag, improve the life of inner bag; and the production processes of the first inner container and the second inner container are generalized, so that the production processes can be reduced, the equipment investment is reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a connection structure;
FIG. 2 is a perspective view of the attachment flange;
FIG. 3 is a top view of the attachment flange;
FIG. 4 is a side view of the attachment flange;
FIG. 5 is an analysis of the forces applied by the coupling flange to the first and second coupling pipes;
FIG. 6 is a schematic structural view of a dual-liner electric water heater;
in the drawings: 1-a first connection pipe; 11-a first groove; 2-a second connecting tube; 21-mounting grooves; 22-a second groove; 3-a connecting flange; 31-a first hold-down flange; 32-a second hold-down flange; 33-a socket joint; 34-a connecting part; 35-a connector; 36-a first card portion; 37-a second card portion; 4-sealing ring; 5-a first inner container; 6-second inner container.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Example one
As shown in fig. 1 to 5, the utility model discloses a connection structure's embodiment, including first connecting pipe 1, second connecting pipe 2 and flange 3, first connecting pipe 1 and the coaxial sealing connection of second connecting pipe 2, flange 3 is including dismantling first flange 31 and the second flange 32 of connecting, the both ends of first flange 31 and second flange 32 joint respectively in 1 outer wall of first connecting pipe, 2 outer walls of second connecting pipe.
In the implementation of the embodiment, the first connecting pipe 1 and the second connecting pipe 2 are hermetically connected, so that liquid leakage can be effectively prevented; first connecting pipe 1, adopt flange 3 to connect between the second connecting pipe 2, the both ends of first hold-down flange 31 joint respectively in the outer wall of first connecting pipe 1 and one side of 2 outer walls of second connecting pipe, the both ends of second hold-down flange 32 joint respectively in the outer wall of first connecting pipe 1 and the opposite side of 2 outer walls of second connecting pipe, but this embodiment installation or dismantlement first connecting pipe 1 and second connecting pipe 2 conveniently, the simple operation just has better connection stability.
In one embodiment, an end of the second connection pipe 2 close to the first connection pipe 1 is provided with a mounting groove 21, and the sealing ring 4 is mounted in the mounting groove 21, as shown in fig. 1. And a sealing ring 4 is arranged at the joint of the first connecting pipe 1 and the second connecting pipe 2, so that liquid leakage can be effectively prevented. The mounting groove 21 is preferably provided to facilitate mounting and positioning of the seal ring 4, and is not intended to be a limiting provision of the present invention. The mounting groove 21 may be provided at an end of the first connection pipe 1 close to the second connection pipe 2 in addition to the end of the second connection pipe 2.
In one embodiment, the mounting groove 21 has an annular structure, the sealing ring 4 is a T-shaped sealing ring 4, one end of the T-shaped sealing ring 4 is embedded in the mounting groove 21, and the other end of the T-shaped sealing ring 4 is disposed at a contact surface between the first connecting pipe 1 and the second connecting pipe 2, as shown in fig. 1. The mounting groove 21 is opened in the second connecting pipe 2, forms a step at the second connecting pipe 2, and the latter half of T type sealing washer 4 inlays in mounting groove 21, and the first half is located between first connecting pipe 1 and the second connecting pipe 2, for keeping apparent aesthetic property, the external diameter of the first half of this embodiment T type sealing washer 4 equals with the external diameter of first connecting pipe 1, second connecting pipe 2.
In one embodiment, the outer wall of the first connection pipe 1 is provided with a first groove 11, the outer wall of the second connection pipe 2 is provided with a second groove 22, two ends of the first pressing flange 31 are respectively clamped on one side of the first groove 11 and one side of the second groove 22, and two ends of the second pressing flange 32 are respectively clamped on the other side of the first groove 11 and the other side of the second groove 22, as shown in fig. 1. The two ends of the connecting flange 3 are respectively clamped in the first groove 11 and the second groove 22 to tightly connect the first connecting pipe 1 and the second connecting pipe 2 together. As shown in fig. 5, to first connecting pipe 1, second connecting pipe 2 carries out the atress analysis, flange 3 includes radial effort to the effort that first connecting pipe 1 produced, axial effort, and slant effort, the effort that produces second connecting pipe 2 also includes radial effort, axial effort, and slant effort, so, first connecting pipe 1 and second connecting pipe 2 alright upper and lower compression seal circle 4, can guarantee the axiality of first connecting pipe 1 and second connecting pipe 2 simultaneously, make the connection of first connecting pipe 1 and second connecting pipe 2 reach sealed and locked effect.
In one embodiment, the first pressing flange 31 and the second pressing flange 32 are identical in structure and symmetrically arranged, and two sides of the first pressing flange 31 and two sides of the second pressing flange 32 are detachably connected, as shown in fig. 2 and 4. The first and second pressing flanges 31 and 32 are symmetrically disposed and form a clamping portion therebetween, and the first and second connection pipes 1 and 2 are clamped in the clamping portion. The two sides of the first hold-down flange 31 and the second hold-down flange 32 are detachably connected, and the connection points at the two sides are symmetrically arranged to ensure the stress uniformity of the first connection pipe 1 and the second connection pipe 2.
In one embodiment, the first compression flange 31 and the second compression flange 32 each include two sets of sleeving parts 33 and connecting parts 34, the connecting parts 34 are connected to two ends of the sleeving parts 33, and the sleeving parts 33 are sleeved at the connection position of the first connection pipe 1 and the second connection pipe 2, as shown in fig. 2 and 3. Wherein, the connecting part 34 is provided with a connecting hole, and a connecting piece 35 is penetrated in the connecting hole; the two ends of the sleeve portion 33 are respectively provided with a first clamping portion 36 and a second clamping portion 37, and the first clamping portion 36 and the second clamping portion 37 are respectively clamped in the first groove 11 and the second groove 22. So, as shown in fig. 5, the effort that flange 3 produced first connecting pipe 1 includes radial effort, axial effort, and slant effort, the effort that produces second connecting pipe 2 also includes radial effort, axial effort, and slant effort, so, first connecting pipe 1 and second connecting pipe 2 alright compression sealing washer 4 from top to bottom, can guarantee the axiality of first connecting pipe 1 and second connecting pipe 2 simultaneously, make the connection of first connecting pipe 1 and second connecting pipe 2 reach sealed and locked effect.
In one embodiment, the connecting member 35 includes a bolt and a nut, and one end of the bolt passes through the two sets of connecting holes and is then fixedly connected with the nut. The use of a bolt and a nut as the connecting member 35 is preferred for the convenience of operation and the stability of connection, and is not intended as a limiting provision of the present invention.
In one embodiment, the first groove 11 and the second groove 22 are symmetrical to two sides of the joint of the first connecting pipe 1 and the second connecting pipe 2. The structural symmetry of the first groove 11, the second groove 22 and the connecting flange 3 ensures the stress uniformity of the first connecting pipe 1 and the second connecting pipe 2, thereby ensuring the sealing and locking effects between the first connecting pipe 1 and the second connecting pipe 2.
In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Example two
The present embodiment is an embodiment of a double-liner electric water heater, which includes a first liner 5, a second liner 6 and the connection structure as before, wherein a first connection pipe 1 is installed on the first liner 5, and a second connection pipe 2 is installed on the second liner 6, as shown in fig. 6. In the implementation of the embodiment, the first inner container 5 and the second inner container 6 can be conveniently mounted and dismounted, and can be separated to independently complete the procedures of welding, sand blasting, enamel and the like, so that the enamel uniformity of the first inner container 5 and the second inner container 6 can be ensured, and the service life of the inner containers is prolonged; and the production processes of the first inner container 5 and the second inner container 6 are generalized, so that the production processes can be reduced, the equipment investment can be reduced, and the production efficiency can be improved.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a connection structure, its characterized in that includes first connecting pipe (1), second connecting pipe (2) and flange (3), and first connecting pipe (1) and second connecting pipe (2) coaxial seal are connected, and flange (3) are including dismantling first flange (31) and the second flange (32) of connecting, the both ends of first flange (31) and second flange (32) joint respectively in first connecting pipe (1) outer wall, second connecting pipe (2) outer wall.
2. The connection structure according to claim 1, wherein an end of the second connection pipe (2) close to the first connection pipe (1) is provided with a mounting groove (21), and a sealing ring (4) is mounted in the mounting groove (21).
3. The connecting structure according to claim 2, wherein the mounting groove (21) is an annular structure, the sealing ring (4) is a T-shaped sealing ring (4), and one end of the T-shaped sealing ring (4) is embedded in the mounting groove (21).
4. The connecting structure according to claim 1, wherein the outer wall of the first connecting pipe (1) is provided with a first groove (11), the outer wall of the second connecting pipe (2) is provided with a second groove (22), and two ends of the connecting flange (3) are respectively clamped with the first groove (11) and the second groove (22).
5. The connecting structure of claim 4, wherein the first pressing flange (31) and the second pressing flange (32) are identical in structure and are symmetrically arranged, and two sides of the first pressing flange (31) and two sides of the second pressing flange (32) are detachably connected.
6. The connecting structure according to claim 5, wherein the first and second pressing flanges (31, 32) each include two sets of sleeving parts (33) and connecting parts (34), the connecting parts (34) are connected to two sides of the sleeving parts (33), and the sleeving parts (33) are sleeved at the joint of the first and second connecting pipes (1, 2).
7. The connection structure according to claim 6, wherein the connection part (34) is provided with a connection hole in which a connection member (35) is pierced; the two ends of the sleeving part (33) are respectively provided with a first clamping part (36) and a second clamping part (37), and the first clamping part (36) and the second clamping part (37) are respectively clamped in the first groove (11) and the second groove (22).
8. The connecting structure according to claim 7, wherein the connecting member (35) comprises a bolt and a nut, and one end of the bolt passes through the two sets of connecting holes and then is fixedly connected with the nut.
9. The connection structure according to any one of claims 5 to 8, wherein the first and second grooves (11, 22) are symmetrical to both sides of the connection of the first and second connection pipes (1, 2).
10. A double-liner electric water heater, comprising a first liner (5), a second liner (6) and a connecting structure according to any one of claims 1 to 9, wherein the first connecting pipe (1) is mounted to the first liner (5) and the second connecting pipe (2) is mounted to the second liner (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023247513.2U CN214370965U (en) | 2020-12-28 | 2020-12-28 | Connection structure and have its two inner bags electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023247513.2U CN214370965U (en) | 2020-12-28 | 2020-12-28 | Connection structure and have its two inner bags electric water heater |
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| Publication Number | Publication Date |
|---|---|
| CN214370965U true CN214370965U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023247513.2U Active CN214370965U (en) | 2020-12-28 | 2020-12-28 | Connection structure and have its two inner bags electric water heater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114440460A (en) * | 2022-01-25 | 2022-05-06 | 青岛理工大学 | Spherical surface flexible connection composite structure of through type double-container electric water heater |
| CN114440461A (en) * | 2022-01-25 | 2022-05-06 | 青岛理工大学 | Flexible composite connection structure of through type electric water heater double-container |
| CN114576858A (en) * | 2022-01-25 | 2022-06-03 | 青岛理工大学 | Flexible connection composite conical surface structure of through type electric water heater double-container |
-
2020
- 2020-12-28 CN CN202023247513.2U patent/CN214370965U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114440460A (en) * | 2022-01-25 | 2022-05-06 | 青岛理工大学 | Spherical surface flexible connection composite structure of through type double-container electric water heater |
| CN114440461A (en) * | 2022-01-25 | 2022-05-06 | 青岛理工大学 | Flexible composite connection structure of through type electric water heater double-container |
| CN114576858A (en) * | 2022-01-25 | 2022-06-03 | 青岛理工大学 | Flexible connection composite conical surface structure of through type electric water heater double-container |
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