Sealing test device for inner container of water tank of solar water heater
By designing a sealing test system with multiple structures and devices, the problem that traditional methods cannot accurately determine the air leakage position of the water tank liner is solved, and fast and accurate air tightness detection is achieved.
Patent Information
- Application Number
- CN202421624515.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-10
AI Technical Summary
The traditional water tank inner tank sealing test method cannot accurately determine the leak position, resulting in low detection efficiency and large errors.
A sealing testing device including mounting frame structure, lifting structure, tooling, fastening structure, air tightness detector, air injection head structure, plug head structure and water storage tank is designed to determine the leak position through the position of bubble generation.
It realizes rapid airtightness detection of the damaged position of the water tank inner tank, can accurately determine the leakage position, simple operation, and improve detection efficiency.
Smart Images

Figure CN222951250U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water heater sealing test, in particular to a sealing test device for a solar water heater water tank liner. Background Art
[0002] A solar water heater is a device that uses sunlight to heat water. A vacuum tube household solar water heater is composed of a heat collecting tube, a water storage tank, a bracket and other related parts. The conversion of solar energy into thermal energy mainly relies on the vacuum collecting tube. The principle of hot water floating and cold water sinking is used to create microcirculation of water to achieve the required hot water. The water storage tank includes a water tank liner and a water tank insulation layer. After the water storage tank is manufactured, the water tank liner needs to be tested for sealing.
[0003] In the traditional testing process, air pressure is connected to the water filling port of the water tank liner, and then other pipe openings of the water tank liner are blocked. Then, the air pressure inside the water tank liner is monitored and the air pressure changes are observed to determine the sealing of the water tank liner. This structure cannot determine the location of the air leakage in the water tank liner, so this structure needs to be improved. Utility Model Content
[0004] The purpose of the utility model is to solve the problems raised in the above background technology, and then proposes a sealing test device for the inner tank of a solar water heater.
[0005] The technical solution adopted by the utility model to solve its technical problems is:
[0006] A sealing test device for a solar water heater water tank liner, comprising a mounting frame structure, a lifting structure, a tooling, a fastening structure, an airtightness tester, an air injection head structure, a plugging head structure and a water tank; the top of the mounting frame structure is connected to the tooling through the lifting structure, and the tooling is provided with a fastening structure; the mounting frame structure is also provided with an airtightness tester, the detection end of the airtightness tester is connected to the air injection head structure used for connecting to the water filling port of the water tank liner, and the air injection head structure is matched with a plugging head structure used for sealing other pipe openings of the water tank liner; the bottom of the mounting frame structure is provided with a water tank, and the top of the water tank is open and is located directly below the tooling for access to the tooling.
[0007] Furthermore, the mounting frame structure includes a bottom plate, a support plate and a top plate; two support plates are symmetrically arranged on the bottom plate, the two support plates and the top plates are commonly connected to the top plate, and a lifting structure is installed on the top plate.
[0008] Furthermore, the lifting structure includes telescopic cylinders, and there are multiple groups of telescopic cylinders vertically arranged on the top plate, and the telescopic ends of the multiple groups of telescopic cylinders are commonly connected to tooling.
[0009] Furthermore, the telescopic cylinder is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.
[0010] Furthermore, the tooling includes a first vertical plate, a second vertical plate, a mounting plate, an arc-shaped support plate and a rubber plate; the first vertical plate and the second vertical plate are symmetrically arranged and connected to the telescopic cylinder, a fastening structure is installed on the second vertical plate, the first vertical plate and the second vertical plate are commonly connected to the mounting plate at the bottom, and two arc-shaped brackets are symmetrically arranged on the mounting plate.
[0011] Furthermore, a rubber plate is provided on the inner side of the first vertical plate to reduce wear caused by contact.
[0012] Furthermore, the mounting plate is provided with a plurality of openings to avoid the problem of excessive resistance caused by the mounting plate contacting the water body.
[0013] Furthermore, the mounting plate is a frame structure composed of multiple steel materials.
[0014] Furthermore, the fastening structure includes an adjusting screw, a rocker arm and a tightening plate; the adjusting screw is horizontally arranged on the second vertical plate, and the outer end of the adjusting screw is connected to the rocker arm, and the inner end of the adjusting screw is connected to the tightening plate for contacting the end of the water tank inner tank.
[0015] Furthermore, a rubber block is provided on the inner side of the tightening plate to reduce wear caused by contact.
[0016] Furthermore, the gas injection head structure includes an external tube, a sealing plate and a cannula; the external tube is used to be connected to the detection end of the air tightness detector, and the end of the external tube is connected to the cannula through the sealing plate.
[0017] Furthermore, the blocking head structure includes a blocking plate and a blocking column; the blocking plate is used to fit with the outside of the water tank inner tank and is connected to the bottom with a blocking column, and the blocking column is used to be connected to the inner tank tank tube opening.
[0018] Furthermore, the water storage tank is provided with a drain pipe, and a drain valve is installed on the drain pipe.
[0019] Compared with the prior art, the beneficial effects of the utility model are:
[0020] The utility model realizes rapid air tightness detection of damaged positions of the inner tank of the water tank through the coordinated arrangement of the mounting frame structure, the lifting structure, the tooling, the fastening structure, the air tightness detector, the air injection head structure, the sealing head structure and the water storage tank, and the air leakage position can be known through the position where the bubbles are generated, and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the structure of the utility model;
[0022] Figure 2 It is a working schematic diagram of the utility model;
[0023] Figure 3It is a structural schematic diagram of the arc support plate;
[0024] Figure 4 is a structural schematic diagram of the gas injection head structure;
[0025] Figure 5 is a schematic diagram of the location of the opening;
[0026] Among them: 1. Bottom plate; 11. Support plate; 12. Top plate; 2. Telescopic cylinder; 3. First vertical plate; 31. Second vertical plate; 32. Mounting plate; 321. Opening; 33. Arc-shaped support plate; 34. Rubber plate; 4. Adjusting screw; 41. Rocker arm; 42. Tightening plate; 43. Rubber block; 5. Air tightness tester; 6. External pipe; 61. Sealing plate; 62. Insert pipe; 7. Blocking plate; 71. Blocking column; 8. Water tank; 81. Drain pipe; 92. Drain valve. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. The utility model is further described in combination with the drawings and embodiments:
[0028] Refer to the attached Figure 1 -Attached Figure 4 As shown, a sealing test device for the water tank liner of a solar water heater comprises a mounting frame structure, a lifting structure, a tooling, a fastening structure, an airtightness detector 5, an air injection head structure, a plugging head structure and a water tank 8; the top of the mounting frame structure is connected with a tooling for installing the water tank liner through a lifting structure so that the tooling can be lowered into the water tank 8, and the tooling is provided with a fastening structure for fixing the water tank liner; the mounting frame structure is also provided with an airtightness detector 5, the airtightness detector 5 is a prior art, and this application does not elaborate on it. The detection end of the airtightness detector 5 is connected with an air injection head structure for connecting to the water filling port of the water tank liner, wherein the air injection head structure is matched with a plugging head structure for sealing other pipe openings of the water tank liner so that air pressure seals enter the water tank liner; the bottom of the mounting frame structure is provided with a water tank 8, the top of the water tank 8 is open and is located directly below the tooling for access to the tooling.
[0029] Regarding the mounting frame structure, specifically:
[0030] Refer to the attached Figure 1 As shown, the mounting frame structure includes a bottom plate 1, a support plate 11 and a top plate 12; two support plates 11 are symmetrically arranged on the bottom plate 1, and the two support plates 11 and the top plate 12 are connected together with the top plate 12, and a lifting structure is installed on the top plate 12.
[0031] Regarding the lifting structure, specifically:
[0032] Refer to the attached Figure 1 As shown, the lifting structure includes a telescopic cylinder 2, and there are multiple groups of telescopic cylinders 2 that are vertically arranged on the top plate 12. The telescopic ends of the multiple groups of telescopic cylinders 2 are commonly connected to the tooling; in the scheme, the telescopic cylinder 2 adopts one of the cylinders, hydraulic cylinders or electric cylinders in the prior art. During the implementation process, the telescopic cylinder 2 operates to make the tooling rise or fall.
[0033] Regarding tooling, specifically:
[0034] Refer to the attached Figure 1 As shown, the tooling includes a first vertical plate 3, a second vertical plate 31, a mounting plate 32, an arc-shaped support plate 33 and a rubber plate 34; the first vertical plate 3 and the second vertical plate 31 are symmetrically arranged and connected to the telescopic cylinder 2, a fastening structure is installed on the second vertical plate 31, and the bottoms of the first vertical plate 3 and the second vertical plate 31 are commonly connected to the mounting plate 32, and two arc-shaped brackets for supporting the water tank liner are symmetrically arranged on the mounting plate 32.
[0035] In addition, for further refinement of the tooling in the above scheme, please refer to the attached Figure 1 As shown, a rubber plate 34 is provided on the inner side of the first vertical plate 3. During the implementation process, the rubber plate 34 contacts the end of the water tank liner to reduce the wear caused by the contact.
[0036] In addition, for further refinement of the tooling in the above scheme, in order to avoid the problem of excessive resistance caused by the contact between the mounting plate 32 and the water body, refer to the attached Figure 3 As shown, the mounting plate 32 is provided with a plurality of openings 321 ; in addition, in other solutions, the mounting plate 32 is a frame structure composed of a plurality of steel materials.
[0037] Regarding the fastening structure, specifically:
[0038] Refer to the attached Figure 1 As shown, the fastening structure includes an adjusting screw 4, a rocker arm 41 and a tightening plate 42; the adjusting screw 4 is horizontally arranged on the second vertical plate 31, and the outer end of the adjusting screw 4 is connected to the rocker arm 41, and the inner end of the adjusting screw 4 is connected to the tightening plate 42 for contacting the end of the water tank inner tank. During the implementation process, the rocker arm 41 is operated to make the tightening plate 42 move forward or backward, and finally the tightening operation of the water tank inner tank is realized.
[0039] In addition, for further refinement of the tooling in the above scheme, please refer to the attached Figure 1 As shown, a rubber block 43 is provided on the inner side of the tightening plate 42. During the implementation process, the rubber block 43 contacts the end of the water tank liner to reduce the wear caused by the contact.
[0040] Regarding the gas injection head structure, specifically:
[0041] See attached Figure 1 and attached Figure 4 As shown, the gas injection head structure includes an external tube 6, a sealing plate 61 and a plug 62; the external tube 6 is used to connect to the detection end of the air tightness detector 5, and the end of the external tube 6 is connected to the plug 62 through the sealing plate 61; during the implementation process, the plug 62 is connected to the water filling port of the water tank inner liner, and the sealing plate 61 fits with the outside of the water tank inner liner.
[0042] Regarding the plugging head structure, specifically:
[0043] See attached Figure 1 As shown, the plugging head structure includes a plugging plate 7 and a plugging column 71; the plugging plate 7 is used to fit with the outside of the water tank inner tank and is connected to the bottom with a plugging column 71, which is used to be connected to the inner tank tube opening.
[0044] In addition, the water storage tank 8 is provided with a drain pipe 81 , and a drain valve 92 is installed on the drain pipe 81 .
[0045] During the specific implementation of the device, the water tank liner is first placed on the tooling, then fixed by a fastening structure, and then the air injection head structure and the plugging head structure are connected to the pipe opening of the water tank liner. Then the lifting structure is operated to drive the tooling with the water tank liner to descend into the water tank 8. Finally, the air tightness detector 5 is started. After a period of time, it is observed whether there are bubbles generated in the water tank 8, and whether the pressure of the air tightness detector 5 changes. If there are bubbles, the water tank liner has an airtightness defect, and the leakage position can be known through the position where the bubbles are generated. On the contrary, if no bubbles are generated, the water tank liner has no airtightness defect.
[0046] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.
Claims
1. A sealing test device for a solar water heater tank liner, characterized in that: It comprises a mounting frame structure, a lifting structure, a tooling, a fastening structure, an air tightness detector (5), an air injection head structure, a plugging head structure and a water storage tank (8); The top of the mounting frame structure is connected with a tooling through a lifting structure, and a fastening structure is provided on the tooling; An air tightness detector (5) is also provided on the mounting frame structure, and a detection end of the air tightness detector (5) is connected to an air injection head structure for connecting to the water injection port of the water tank liner, and the air injection head structure is matched with a plugging head structure for sealing other pipe openings of the water tank liner; A water storage tank (8) is provided at the bottom of the mounting frame structure, and the top of the water storage tank (8) is open and is located directly below the tooling for access to the tooling.
2. A sealing test device for a solar water heater tank liner according to claim 1, characterized in that: The mounting frame structure comprises a bottom plate (1), a support plate (11) and a top plate (12); Two supporting plates (11) are symmetrically arranged on the bottom plate (1), the two supporting plates (11) and the top plate (12) are commonly connected to the top plate (12), and a lifting structure is installed on the top plate (12).
3. A sealing test device for a solar water heater tank liner according to claim 2, characterized in that: The lifting structure comprises a telescopic cylinder (2); There are multiple groups of telescopic cylinders (2) which are vertically arranged on the top plate (12), and the telescopic ends of the multiple groups of telescopic cylinders (2) are commonly connected to tooling.
4. A sealing test device for a solar water heater tank liner according to claim 3, characterized in that: The tooling comprises a first vertical plate (3), a second vertical plate (31), a mounting plate (32), an arc-shaped support plate (33) and a rubber plate (34); The first vertical plate (3) and the second vertical plate (31) are symmetrically arranged and connected to the telescopic cylinder (2); a fastening structure is installed on the second vertical plate (31); a mounting plate (32) is commonly connected to the bottoms of the first vertical plate (3) and the second vertical plate (31); and two arc-shaped brackets are symmetrically arranged on the mounting plate (32).
5. A sealing test device for a solar water heater tank liner according to claim 4, characterized in that: A rubber plate (34) is provided on the inner side surface of the first vertical plate (3).
6. A sealing test device for a solar water heater tank liner according to claim 4, characterized in that: The mounting plate (32) is provided with a plurality of openings (321).
7. A sealing test device for a solar water heater tank liner according to claim 4, characterized in that: The fastening structure comprises an adjusting screw (4), a rocker arm (41) and a fastening plate (42); The adjusting screw rod (4) is horizontally arranged on the second vertical plate (31), and the outer end of the adjusting screw rod (4) is connected to a rocker arm (41), and the inner end of the adjusting screw rod (4) is connected to a tightening plate (42).
8. A sealing test device for a solar water heater tank liner according to claim 7, characterized in that: The inner side surface of the tightening plate (42) is provided with a rubber block (43).
9. A sealing test device for a solar water heater tank liner according to claim 1, characterized in that: The gas injection head structure comprises an external tube (6), a sealing plate (61) and a cannula (62); The external pipe (6) is used to be connected to the detection end of the air tightness detector (5), and the end of the external pipe (6) is connected to the insertion pipe (62) through the sealing plate (61).
10. A sealing test device for a solar water heater tank liner according to claim 1, characterized in that: The plugging head structure comprises a plugging plate (7) and a plugging column (71); The blocking plate (7) is used to fit with the outside of the water tank inner tank and is connected to a blocking column (71) at the bottom. The blocking column (71) is used to be connected to the inner tank tank pipe opening.