A sealing structure for a water heater housing
By designing the sealing structure of the sealing and adjusting components, the sealing and disassembly issues of the inner tank end cap structure of the water heater were solved, achieving reliable sealing of the outer shell and adjustment of the water supply pipe length, thus improving the convenience and stability of the water heater.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FOSHAN SANGAO HEAT PRESERVATION WATER TANK CO LTD
- Filing Date
- 2025-07-07
- Publication Date
- 2026-06-26
Smart Images
Figure CN224415390U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of water heaters and their accessories, and in particular relates to a sealing structure for the outer shell of a water heater. Background Technology
[0002] A water heater is a device that heats cold water. It mainly consists of three parts: the outer shell, the inner tank, and the heating element. The heating element is located inside the inner tank, which holds clean water. The inner tank consists of two parts: a sealed outer shell and a sealing structure. The sealing structure is located at one end of the sealed outer shell and is used to seal that end of the sealed outer shell.
[0003] Chinese patent application CN219829122U discloses a water heater inner tank end cap structure, including: a shell, a fixing frame provided on the shell, an inner tank end cap body fixedly connected to one end of the fixing frame, and a water pipe connected to one side of the inner tank end cap body. This water heater inner tank end cap structure forms a fixing structure by setting a sealing frame, an L-shaped plate, fixing bolts, a sealing block, a sealing gasket, a sliding rod, and a rotating disk. Rotating the fixing bolts drives the sealing block to move, and the movement of the sealing block fixes the nut at the water pipe connection, preventing the nut from loosening due to vibration. The sealing gasket also prevents leakage. An installation structure is formed by setting a support rod, a fixing block, a spring, a rotating block, a threaded rod, and a slot. Rotating the rotating block drives the fixing block to move, and the inner tank end cap body is fixed by four sets of fixing blocks. The operation is simple, allowing workers to quickly connect and install the shell and the inner tank end cap body.
[0004] The aforementioned water heater inner tank end cap structure includes an inner tank end cap body and an outer shell covering it. The two are connected by a fixing frame and a support rod. The sealing performance of the shell itself has a crucial impact on the inner tank. The shell adopts a fully enclosed structure, and when the inner tank inside is damaged and needs replacement, the shell is difficult to open and replace. Furthermore, the inner tank end cap body also has a water pipe, and a sealing frame is installed between the water pipe and the inner tank end cap body. The inner wall of the sealing frame is equipped with a sealing block and a sealing gasket, meaning the sealing frame seals... The block and sealing gasket contact the outer wall of the water pipe to achieve a seal between the water pipe and the inner tank end cap. However, this water pipe is a rigid pipe with a non-adjustable length. When connecting to other pipes, different connecting hoses are required. To ensure stable water delivery between pipes, the optimal length of the connecting hose needs to be exactly the same as the length between the connecting pipe and the water pipe. In actual use, the length of the provided connecting hose is fixed and cannot be changed. Therefore, after assembly, the connecting hose is often too long, leading to hose twisting and affecting water delivery. To address this, we provide a sealing structure for the water heater casing to solve the aforementioned problems. Utility Model Content
[0005] The purpose of this utility model is to provide a sealing structure for the outer shell of a water heater. The sealing component can improve the sealing effect between the sealing cover and the sealing shell of the water heater, and also facilitate disassembly and replacement when the inner tank is damaged. The adjustment component can adjust the overall length of the water supply pipe to better adapt it to connecting hoses of different lengths, thus solving the problems of the aforementioned inner tank sealing structure of a water heater.
[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:
[0007] This utility model relates to a sealing structure for a water heater casing, comprising a sealing casing; a sealing cap is inserted into the outer end of the sealing casing, and a sealing assembly is installed on the side of the sealing cap and on the sealing casing. The sealing assembly includes a threaded post one threadedly connected to the side wall of the end of the sealing casing, and the end of the threaded post one is rotatably connected to a connecting plate. An arc-shaped plate is provided on the other side of the connecting plate, and the connecting plate is connected to the side wall of the sealing cap through the arc-shaped plate. A sealing sleeve is embedded in the upper side wall of the sealing cap, and the sealing cap is connected to a water supply pipe through the sealing sleeve. The water supply pipe includes a water pipe one fixed in the sealing sleeve and a water pipe two inserted into the end of the water pipe one. A spring is also provided in the side wall of the water pipe one. An adjustment assembly is provided on the side of the water supply pipe. The adjustment assembly includes a positioning plate one fixed to the end of the water pipe one and a positioning plate two fixed to the end of the water pipe two. The positioning plate one and the positioning plate two are connected by the threaded post two.
[0008] The present invention is further configured such that an installation groove is provided at the end of the sealing shell, and an installation hole is provided on the side of the installation groove, the sealing cover is inserted into the installation groove, and a sealing groove is provided on the side wall of the sealing cover located in the installation groove.
[0009] The present invention is further configured such that a screw sleeve is embedded in the mounting hole, the screw sleeve is threadedly connected to a threaded post, a rotating wheel is fixedly installed at the outer end of the threaded post, and the other end is rotatably connected to the connecting plate through a rotating sleeve.
[0010] The present invention is further configured such that a sealing strip is adhered to the outer wall of the arc-shaped plate, and the arc-shaped plate abuts against the sealing groove through the sealing strip. A total of four sealing components are provided, and the four sealing components are arranged in a ring array structure.
[0011] The present invention is further configured such that a groove is provided in the side wall of the first water pipe, the spring is disposed in the groove, and the two ends of the spring are respectively connected to the bottom side wall of the groove and the end of the second water pipe.
[0012] The present invention is further configured such that a sliding sleeve is fixedly provided at the end of the second water pipe, and a sealing ring is fitted on the outer wall of the sliding sleeve, and the sliding sleeve slides in cooperation with the sliding groove through the sealing ring.
[0013] The present invention is further configured such that a connecting ring is fixedly provided at the other end of the second water pipe, and the second water pipe is fixedly connected to the connecting pipe through the connecting ring, and the second positioning plate is fixedly provided on the side wall of the connecting ring.
[0014] The present invention is further configured such that a rotating wheel is fixedly installed at one end of the threaded column two, and a rotating head is fixedly installed at the other end, and the rotating head is also rotatably connected to the positioning plate two, and the threaded column two is threadedly connected to the positioning plate one.
[0015] This utility model has the following beneficial effects:
[0016] 1. This utility model features a sealing assembly located at the end of a sealing shell, with a sealing cover covering the upper part of the sealing shell. The sealing assembly includes a threaded post fixed to the side wall of the end of the sealing shell. A rotating wheel is fixedly connected to the outer end of the threaded post, and the other end is connected to a connecting plate via a rotating sleeve. An arc-shaped plate is fixedly installed on the outer wall of the connecting plate facing the sealing cover, and a sealing strip is adhered to the outer wall of the arc-shaped plate. In use, by holding and rotating the rotating wheel, the threaded post is driven to rotate in the threaded sleeve on the sealing shell. At this time, the threaded post moves on the sealing shell. When the threaded post moves, its end, due to the presence of the rotating sleeve, can push the arc-shaped plate to move closer to or away from the sealing cover. When the arc-shaped plate approaches and abuts against the outer wall of the sealing cover via the sealing strip, the sealing cover is fixed, and the sealing effect between the sealing cover and the sealing shell is improved. When the arc-shaped plate moves away from the sealing cover, the sealing strip does not contact the outer wall of the sealing cover, allowing the sealing cover to be removed.
[0017] 2. This utility model, by setting up a water supply pipe and an adjustment component, consists of two parts: water pipe one and water pipe two. Water pipe two is inserted into the side wall of water pipe one, and a spring is also installed in the side wall of water pipe one. The spring can push water pipe two to move outward, thereby achieving the effect of lengthening the length of the water supply pipe. The adjustment component includes a positioning plate one fixed to the end of water pipe one and a positioning plate two fixed to the upper part of water pipe two. A rotating head is rotatably installed in the positioning plate two, and a threaded post two is threadedly connected to the positioning plate one. One end of the threaded post two is fixedly installed with a rotating wheel two, and the other end is fixedly connected to the rotating head. In use, by holding the rotating wheel two and rotating it, the threaded post two can be pushed to rotate in the positioning plate one. At the same time, the rotating head on the other end of the threaded post two rotates in the positioning plate two. Since the positioning plate one and positioning plate two are fixed to water pipe one and water pipe two respectively, when the threaded post two rotates, it can push water pipe two to move up and down, thereby adjusting the overall length of the water supply pipe.
[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description
[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of a sealing structure for a water heater casing.
[0021] Figure 2This is a structural disassembly diagram of a sealing structure used for the outer casing of a water heater.
[0022] Figure 3 This is a structural disassembly diagram of the sealing assembly.
[0023] Figure 4 This is a structural disassembly diagram of the sealing sleeve and water supply pipe.
[0024] Figure 5 This is a structural disassembly diagram of the adjustment component.
[0025] Figure 6 This is a half-sectional view of a sealing structure for a water heater casing.
[0026] The attached diagram lists the components represented by each number as follows:
[0027] 1-Sealed outer shell, 101-Mounting groove, 102-Mounting hole, 2-Sealing cover, 201-Sealing groove, 202-Pipe hole, 3-Sealing assembly, 301-Arc plate, 302-Sealing strip, 303-Connecting plate, 303a-Rotating sleeve, 304-Threaded post one, 304a-Threaded sleeve, 305-Rotating wheel one, 4-Sealing sleeve, 5-Water pipe, 501-Water pipe one, 501a-Sliding groove, 502-Spring, 503-Water pipe two, 503a-Sliding sleeve, 503b-Sealing ring, 503c-Connecting ring, 504-Connecting pipe, 6-Adjusting assembly, 601-Threaded post two, 601a-Rotating wheel two, 602-Rotating head, 603-Positioning plate one, 604-Positioning plate two. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0029] Example 1
[0030] Please see Figure 1-3 This utility model is a sealing structure for the outer shell of a water heater, including a sealing shell, a sealing cover 2 and a sealing component 3. The sealing component 3 can improve the sealing effect between the sealing cover 2 and the sealing shell 1 of the water heater.
[0031] Specifically, the upper part of the sealing shell 1 is provided with an installation groove 101 for inserting the sealing cover 2, and an installation hole 102 is provided on the side of the installation groove 101. The sealing assembly 3 includes a threaded sleeve 304a embedded in the installation hole 102. A threaded post 304 is also threadedly connected to the threaded sleeve 304a. One end of the threaded post 304 is fixedly installed with a rotating wheel 305, and the other end is rotatably connected to the connecting plate 303. The inner tank of the water heater is located inside the sealing shell 1.
[0032] Furthermore, a rotating sleeve 303a is fixedly installed on the outer wall of the connecting plate 303, and the connecting plate 303 is rotatably connected to the end of the threaded column 304 through the rotating sleeve 303a. An arc-shaped plate 301 is also fixedly installed on the outer wall of the connecting plate 303. A sealing strip 302 is adhered to the inner wall of the arc-shaped plate 301. A sealing groove 201 is opened on the outer wall of the sealing cover 2 corresponding to the arc-shaped plate 301. The arc-shaped plate 301 abuts against the sealing groove 201 through the sealing strip 302. The sealing strip 302 squeezes the sealing groove 201 to form a radial seal. At the same time, the mating surface of the sealing cover 2 and the mounting groove 101 achieves axial sealing through the plug-in structure. A total of four sealing components 3 are provided, and the four sealing components 3 are arranged in a ring array structure.
[0033] The operation process of this embodiment is as follows: During use, hold and rotate the rotating wheel 305. The rotating wheel 305 will drive the threaded post 304 to rotate in the threaded sleeve 304a on the sealing housing 1. At this time, the threaded post 304 moves on the sealing housing 1. When the threaded post 304 moves, its end can push the arc plate 301 to move closer to or away from the sealing cover 2 due to the presence of the rotating sleeve 303a. When the arc plate 301 approaches and passes through the sealing cover 2, the threaded post 304 can move closer to or away from the sealing cover 2. When the strip 302 abuts against the sealing groove 201 on the outer wall of the sealing cover 2, when the arc plate 301 and the sealing strip 302 are placed in the sealing groove 201 on the sealing cover 2, the sealing cover 2 is effectively prevented from being opened by the vertical upward lifting force, thus forming the effect of fixing the sealing cover 2 and improving the sealing effect between the sealing cover 2 and the sealing shell 1. When the arc plate 301 moves away from the sealing cover 2, the sealing strip 302 does not contact the outer wall of the sealing cover 2, and the sealing cover 2 can be removed.
[0034] Example 2
[0035] Please see Figure 4 Based on embodiment 1, a sealing sleeve 4 and a water supply pipe 5 are also provided. The sealing sleeve 4 can improve the sealing between the water supply pipe 5 and the sealing cap 2. The length of the water supply pipe 5 can be adjusted by the mutual sliding insertion of water pipe 1 501 and water pipe 2 503.
[0036] Specifically, the upper side wall of the sealing cover 2 is provided with a pipe hole 202 for mounting the sealing sleeve 4. The sealing cover 2 is connected to the water supply pipe 5 through the sealing sleeve 4. The water supply pipe 5 includes a water pipe 501 fixed in the sealing sleeve 4, and a spring 502 is provided inside the water pipe 501. The end of the water pipe 501 is also slidably inserted with a water pipe 503.
[0037] Furthermore, a sliding groove 501a is provided in the side wall of water pipe 1 501, and a sliding sleeve 503a is provided at one end of water pipe 2 503. A sealing ring 503b is fitted on the outer wall of the sliding sleeve 503a. The sliding sleeve 503a slides with the sliding groove 501a through the sealing ring 503b. A spring 502 is also provided in the sliding groove 501a. A connecting pipe 504 is fixedly provided at the other end of water pipe 2 503.
[0038] Example 3
[0039] Please see Figure 5 Based on Embodiments 1 and 2, an adjustment component 6 is also provided. The overall length of the water supply pipe 5 can be adjusted by the adjustment component 6 so that it can be better adapted to connecting hoses of different lengths.
[0040] Specifically, a connecting ring 503c is fixedly installed at the connection between water pipe 2 503 and connecting pipe 504. The adjusting component 6 includes a positioning plate 1 603 fixed on the side wall of the end of water pipe 1 501, and a positioning plate 2 604 fixed on the outer wall of the connecting ring 503c. The positioning plate 1 603 and the positioning plate 2 604 are connected by a threaded post 2 601.
[0041] Furthermore, one end of the threaded column 601 is fixedly mounted with a rotating wheel 601a, and the other end is fixedly mounted with a rotating head 602. The rotating head 602 is rotatably connected to the positioning plate 604, and the threaded column 601 is threadedly connected to the positioning plate 603.
[0042] The operation process of this embodiment is as follows: When in use, hold the rotating wheel 601a and rotate it to push the threaded column 601 to rotate in the positioning plate 603. At the same time, the rotating head 602 on the other end of the threaded column 601 rotates in the positioning plate 604. Since the positioning plate 603 and the positioning plate 604 are fixed on the water pipe 501 and the water pipe 503 respectively, when the threaded column 601 rotates, it can push the water pipe 503 to move up and down in the water pipe 501, thereby adjusting the overall length of the water pipe 5.
[0043] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0044] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A sealing structure for a water heater tank, comprising a sealing tank (1); characterized by: A sealing cover (2) is inserted into the outer end of the sealing shell (1), and a sealing assembly (3) is installed on the side of the sealing cover (2) and on the sealing shell (1). The sealing assembly (3) includes a threaded post (304) threadedly connected to the side wall of the end of the sealing shell (1), and the end of the threaded post (304) is rotatably connected to the connecting plate (303). An arc plate (301) is provided on the other side of the connecting plate (303), and the connecting plate (303) is connected to the side wall of the sealing cover (2) through the arc plate (301). A sealing sleeve (4) is embedded in the upper side wall of the sealing cover (2), and the sealing cover (2) is connected to the side wall of the sealing cover (2) through the sealing sleeve. (4) Connected to a water supply pipe (5), the water supply pipe (5) includes a water pipe one (501) fixed in a sealing sleeve (4) and a water pipe two (503) inserted into the end of the water pipe one (501), and a spring (502) is also provided in the side wall of the water pipe one (501). An adjustment component (6) is provided on the side of the water supply pipe (5), the adjustment component (6) includes a positioning plate one (603) fixed to the end of the water pipe one (501) and a positioning plate two (604) fixed to the end of the water pipe two (503), the positioning plate one (603) and the positioning plate two (604) are connected by a threaded post two (601).
2. A seal structure for a water heater shell as defined in claim 1, wherein The sealing shell (1) has an installation groove (101) at one end and an installation hole (102) on the side of the installation groove (101). The sealing cover (2) is inserted into the installation groove (101) and a sealing groove (201) is provided on the side wall of the sealing cover (2) located in the installation groove (101).
3. A seal structure for a water heater shell as defined in claim 2, wherein A threaded sleeve (304a) is embedded in the mounting hole (102). The threaded sleeve (304a) is threadedly connected to the threaded post (304). A rotating wheel (305) is fixedly installed at the outer end of the threaded post (304), and the other end is rotatably connected to the connecting plate (303) through a rotating sleeve (303a).
4. A seal structure for a water heater shell as defined in claim 3, wherein A sealing strip (302) is adhered to the outer wall of the arc plate (301), and the arc plate (301) abuts against the sealing groove (201) through the sealing strip (302). A total of four sealing components (3) are provided, and the four sealing components (3) are arranged in a ring array structure.
5. The seal structure for a water heater shell according to claim 1, wherein A groove (501a) is provided in the side wall of the first water pipe (501), and the spring (502) is provided in the groove (501a). The two ends of the spring (502) are respectively connected to the bottom side wall of the groove (501a) and the end of the second water pipe (503).
6. A seal structure for a water heater shell as defined in claim 5, wherein The end of the second water pipe (503) is fixedly provided with a sliding sleeve (503a), and a sealing ring (503b) is fitted on the outer wall of the sliding sleeve (503a). The sliding sleeve (503a) slides in cooperation with the sliding groove (501a) through the sealing ring (503b).
7. A seal structure for a water heater shell as defined in claim 6, wherein The other end of the second water pipe (503) is fixedly provided with a connecting ring (503c), and the second water pipe (503) is fixedly connected to the connecting pipe (504) through the connecting ring (503c). The second positioning plate (604) is fixedly provided on the side wall of the connecting ring (503c).
8. The sealing structure for a water heater shell according to claim 1, wherein One end of the threaded post 2 (601) is fixedly installed with a rotating wheel 2 (601a), and the other end is fixedly installed with a rotating head (602). The rotating head (602) is also rotatably connected to the positioning plate 2 (604), and the threaded post 2 (601) is threadedly connected to the positioning plate 1 (603).