CN115325713B - Sealing test device for water tank inner container of solar water heater - Google Patents
Sealing test device for water tank inner container of solar water heater Download PDFInfo
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- CN115325713B CN115325713B CN202211263741.XA CN202211263741A CN115325713B CN 115325713 B CN115325713 B CN 115325713B CN 202211263741 A CN202211263741 A CN 202211263741A CN 115325713 B CN115325713 B CN 115325713B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/90—Arrangements for testing solar heat collectors
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- 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
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention provides a sealing test device for a water tank liner of a solar water heater, which relates to the field of water heater sealing test machinery and comprises a test board; a test water tank is fixedly connected in front of the upper surface of the test board; the positioning table is fixedly connected to the rear side above the test water tank; the rear surface of the positioning table is fixedly connected with two positioning rib plates; the inner plugging column is inserted into the tube body to plug the tube body, and has the function of automatically plugging the heat collecting tube connecting port and the overflow port; the position of bubbles generated in the test water tank can be observed, namely the leakage point is obtained, and the repair of the water tank liner aiming at the leakage point is facilitated; the problem of more heat collecting tube interface and the overflow mouth of current water tank inner bag influence detection efficiency to its shutoff is more troublesome and can't confirm fast when detecting that the water tank inner bag exists and reveal the position, be unfavorable for mending revealing the point is solved.
Description
Technical Field
The invention relates to the technical field of water heater sealing test machinery, in particular to a sealing test device for a water tank liner of a solar water heater.
Background
The solar water heater is a device for heating water temperature by utilizing sunlight, a vacuum tube type household solar water heater is composed of heat collecting tubes, a water storage tank, a support and other related parts, solar energy is converted into heat energy mainly by virtue of the vacuum heat collecting tubes, the principle that hot water floats upwards and cold water sinks is utilized, water is enabled to generate microcirculation to reach required hot water, the water storage tank comprises a water tank liner and a water tank heat insulation layer, after the water storage tank is manufactured, the water storage tank is required to be subjected to sealing test, a heat collecting tube connecting port and an overflow port of the water tank liner are plugged in the test process, then air pressure is connected into a water filling port, the air pressure in the water tank liner is monitored, the air pressure change is observed, and therefore the sealing performance of the water tank liner is judged.
However, in the case of the existing tightness testing device for the water tank liner of the solar water heater, the number of heat collecting pipe interfaces and overflow ports of the water tank liner is large, the plugging of the heat collecting pipe interfaces and the overflow ports is troublesome, a large amount of time is consumed, the detection efficiency is affected, when leakage of the water tank liner is detected, the leakage position cannot be quickly determined due to colorless air, and the repair of the leakage point is not facilitated.
Disclosure of Invention
In view of the above, the invention provides a sealing test device for a water tank liner of a solar water heater, which is used for solving the problems that in the existing sealing test device for the water tank liner of the solar water heater, the number of heat collecting pipe interfaces and overflow ports of the water tank liner is large, the plugging is troublesome, a large amount of time is consumed, the detection efficiency is influenced, and when leakage of the water tank liner is detected, the leakage position cannot be quickly determined due to colorless air, and the repair of the leakage point is not facilitated.
The invention provides a sealing test device for a water tank liner of a solar water heater, which comprises a test board; a test water tank is fixedly connected in front of the upper surface of the test board; the positioning table is fixedly connected to the rear side above the test water tank; the rear surface of the positioning table is fixedly connected with two positioning ribbed plates, the lower surfaces of the positioning ribbed plates are fixedly connected with the upper surface of the test table, and the front part of the positioning table is connected with a cylinder pushing mounting table through welding; the lifting electric pushing cylinder is provided with two positions, the two lifting electric pushing cylinders are fixedly connected to the rear of the pushing cylinder mounting table through bolts, and the two lifting electric pushing cylinders are perpendicular to the test table; the upper surface of the liner mounting table is fixedly connected with the tail ends of output rods of the two lifting electric push cylinders; the side positioning frames are arranged at two positions and are respectively welded on the front side and the rear side of the upper surface of the liner mounting table; the driven clamping table is provided with two positions, and the two driven clamping tables are respectively connected to the outer sides of the two side positioning frames in a sliding manner; the control panel is fixedly connected to the front surface of the positioning table through screws and is connected with the two lifting electric pushing cylinders through electric connecting wires; the longitudinal clamping electric pushing cylinder is provided with two positions, and the two positions are fixedly connected to two sides of the front surface of the pushing cylinder mounting table through bolts respectively; the longitudinal clamping electric pushing cylinder is connected with a control panel through an electric connecting wire; the tail ends of the output rods of the two longitudinally-clamped electric push cylinders are fixedly connected with a longitudinal tightening frame together.
Further, the inside front side and the rear side of test water tank are provided with a water tank limit frame respectively, and the equal fixed connection test water tank bottom in bottom of two water tank limit frames, the upper end of two water tank limit frames fixed connection respectively is at the inside antetheca and the back wall of test water tank, and the first half side of water tank limit frame is the slope structure.
Furthermore, the two ends of the longitudinal tightening frame are fixedly connected with tightening supporting rods respectively, two arc-shaped pressing plates are fixedly connected below the tightening supporting rods respectively, and the lower surfaces of the arc-shaped pressing plates are of arc-shaped structures.
Furthermore, a side limiting groove is formed in the middle of the upper surface of the side positioning frame, and two outer supporting plates are fixedly connected to the outer side of the bottom of the side positioning frame.
Furthermore, the upper surface of the outer support plate is fixedly connected with an outer guide rod through a screw.
Furthermore, the outer surface of the driven clamping table is fixedly connected with a driven push rod, the lower edge of the driven clamping table is fixedly connected with two pushing sliding blocks, the pushing sliding blocks are connected onto the outer guide rod in a sliding mode, two reset pull plates are welded at two ends of the lower surface of the driven clamping table respectively, and the inner surface of the driven clamping table is fixedly connected with a sealing block.
Furthermore, the middle of the driven push rod is rotatably connected with a propelling roller through a bearing.
Furthermore, the inner surface of the reset pulling plate is fixedly connected with a reset tension spring, and the other end of the reset tension spring is fixedly connected to the outer support plate.
Furthermore, the sealing block is made of soft rubber, an inner sealing column with a round block structure is arranged in the middle of the inner surface of the sealing block in a protruding mode, a round corner structure is arranged on the inner edge of the inner sealing column, an outer sealing ring with a round ring structure is arranged on the periphery of the inner surface of the sealing block, and a chamfering structure is arranged on the inner edge of the outer sealing ring.
Advantageous effects
1. The invention is provided with a longitudinal lifting driving push cylinder, a push rod of the push cylinder is fixedly connected with an inner container mounting platform, the lifting of the inner container mounting platform can be realized, the inner container mounting platform is used for mounting a detected water tank inner container, when the water tank inner container is placed, the water tank inner container is horizontally placed on the inner container mounting platform, a heat collecting pipe mounting pipe and an overflow pipe of the water tank inner container respectively face to the front and the back and are respectively positioned above side limiting grooves at the front and the back, a pipe body is limited by inclined structures at two sides of the side limiting grooves, the transverse position of the water tank inner container is limited, the invention is also provided with a longitudinal clamping electric push cylinder, an output rod of the longitudinal clamping electric push cylinder is connected with a longitudinal abutting frame, and when the longitudinal clamping electric push cylinder applies pressure to the longitudinal abutting frame, an arc-shaped pressing plate is enabled to downwards extrude the water tank inner container from the upper side, the water tank inner container is clamped and fixed, the fixing structure is simple, the positioning is stable, and the angle and position fixing function of the water tank inner container is realized by fixing the pipe body on the outer wall of the water tank inner container.
2. After the inner container of the water tank is fixed, the inner container mounting table is controlled to descend by the lifting electric pushing cylinder, the pushing roller is in contact with the side frame of the water tank with the inclined structure and is connected with the side frame of the water tank in a rolling mode, the pushing roller rolls on the side frame of the water tank with the inclined structure in the continuous descending process of the inner container mounting table, the driven clamping table is pushed to move inwards under the action of the side frame of the water tank with the inclined structure, the driven clamping table moves inwards to push the sealing blocks to move inwards, the sealing blocks are tightly attached to the outer ends of two rows of pipe bodies on two sides of the inner container of the water tank, the inner blocking columns are inserted into the pipe bodies to block the pipe bodies, meanwhile, the outer blocking rings are tightly connected with the outer wall of the pipe bodies, the sealing effect on the pipe bodies is further improved, and the function of automatically blocking a connecting port and an overflow port of a heat collecting pipe is achieved.
3. Before testing, a water filling port of a water tank liner is connected with an air pressure pipe, an air pressure detection instrument is arranged, then a lifting electric push cylinder and a longitudinal clamping electric push cylinder are controlled to act, a liner mounting table and a longitudinal abutting frame are pushed downwards, the liner mounting table is communicated with the water tank liner and simultaneously enters a test water tank filled with water, the water surface is enabled to be submerged in the water tank liner, then the interior of the water tank liner is pressurized, the water tank liner is detected in water, after the liner is placed for a period of time, when a pressure gauge is unchanged, the tightness of the water tank liner is good, when the pressure gauge is obviously changed, the tightness of the water tank liner is poor, in the process, the position where bubbles are generated in the water tank can be observed and tested, namely, a leakage point can be clearly observed, and the water tank liner can be repaired aiming at the leakage point.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the rear of an embodiment of the present invention;
FIG. 3 is a schematic structural view of a liner mounting table sinking in accordance with an embodiment of the present invention;
FIG. 4 is a schematic structural view of the inner container mounting table of the embodiment of the present invention when lifted;
FIG. 5 is a schematic structural view of a side limiting groove according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a driven chuck table according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a reset pull plate according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of an outer support plate of an embodiment of the present invention;
FIG. 9 is a schematic structural view of a sealing plug according to an embodiment of the present invention;
FIG. 10 is a schematic view of a partially enlarged structure of FIG. 3 according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of a partial enlarged structure at B in FIG. 4 according to an embodiment of the present invention;
FIG. 12 is a schematic view of a partial enlarged structure at C of FIG. 7 according to an embodiment of the present invention;
fig. 13 is a schematic diagram of a partially enlarged structure of the embodiment of the present invention shown in fig. 9D.
List of reference numerals
1. A test bench; 2. testing the water tank; 201. a water tank side frame; 3. a positioning table; 301. positioning a rib plate; 302. a cylinder pushing mounting table; 4. lifting the electric pushing cylinder; 5. a liner mounting table; 6. a longitudinal tightening frame; 601. tightly propping the supporting rod; 602. an arc-shaped pressing plate; 7. a side positioning frame; 701. a side limiting groove; 702. an outer support plate; 7021. an outer guide rod; 8. a driven clamping table; 801. a driven push rod; 8011. a propelling roller; 802. a pushing slide block; 803. resetting the pulling plate; 8031. a return tension spring; 804. sealing the plugging block; 8041. an inner plugging column; 8042. an outer plugging ring; 9. a control panel; 10. and longitudinally clamping the electric push cylinder.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to fig. 13:
the invention provides a sealing test device for a water tank liner of a solar water heater, which comprises a test board 1; a test water tank 2 is fixedly connected in front of the upper surface of the test board 1; the positioning table 3 is fixedly connected to the rear side above the test water tank 2; the rear surface of the positioning table 3 is fixedly connected with two positioning ribbed plates 301, the lower surfaces of the positioning ribbed plates 301 are fixedly connected with the upper surface of the test table 1, and the front part of the positioning table 3 is connected with a push cylinder mounting table 302 through welding; the lifting electric pushing cylinder 4 is provided with two positions, the two lifting electric pushing cylinders 4 are fixedly connected to the rear of the pushing cylinder mounting platform 302 through bolts, and the two lifting electric pushing cylinders 4 are perpendicular to the test platform 1; the upper surface of the liner mounting table 5 is fixedly connected with the tail ends of output rods of the two lifting electric push cylinders 4; the side positioning frames 7 are arranged at two positions, and the two position positioning frames 7 are respectively welded on the front side and the rear side of the upper surface of the liner installation table 5; the driven clamping table 8 is provided with two positions, and the two driven clamping tables 8 are respectively connected to the outer sides of the two side positioning frames 7 in a sliding manner; the control panel 9 is fixedly connected to the front surface of the positioning table 3 through screws, and the control panel 9 is connected with the two lifting electric push cylinders 4 through electric connecting wires; the electric push cylinder 10 is longitudinally clamped, two positions are arranged on the electric push cylinder 10, and the electric push cylinder 10 is longitudinally clamped and fixedly connected to two sides of the front surface of the push cylinder mounting table 302 through bolts; the longitudinal clamping electric pushing cylinder 10 is connected with the control panel 9 through an electric connecting wire; the tail ends of the output rods of the two longitudinally clamped electric push cylinders 10 are fixedly connected with a longitudinal tightening frame 6 together.
The front side and the rear side of the interior of the test water tank 2 are respectively provided with a water tank side frame 201, the bottoms of the two water tank side frames 201 are fixedly connected with the bottom of the test water tank 2, the upper ends of the two water tank side frames 201 are respectively fixedly connected with the front wall and the rear wall of the interior of the test water tank 2, and the upper half side of the water tank side frame 201 is of an inclined structure; under the action of the water tank side frame 201 with the inclined structure, when the driven push rod 801 moves downwards, the driven clamping table 8 is pushed to move inwards through the rolling connection of the pushing roller 8011 and the water tank side frame 201, so that the linkage control effect is realized, the water tank liner moves downwards, meanwhile, the driven clamping table 8 on the side is pushed to move, and the water tank liner is plugged in an auxiliary manner.
Wherein, the both ends of vertical puller rack 6 are fixedly connected with puller support rod 601 respectively, and the below of puller support rod 601 is fixedly connected with two arc clamp plates 602 respectively, and the lower surface of arc clamp plate 602 is convex structure, pushes up puller rack 6 downwards through vertical tight electronic push cylinder 10 of clamp, makes arc clamp plate 602 of vertical puller rack 6 compress tightly the upper surface at the water tank inner bag to realize the fixed of water tank inner bag.
The middle of the upper surface of the side positioning frame 7 is provided with a side limiting groove 701, under the action of the side limiting groove 701, when a heat collecting pipe installation pipe and an overflow pipe of a water tank liner are respectively positioned above the side limiting groove 701 at the front and the rear, the pipe body is limited through inclined structures at two sides of the side limiting groove 701, the transverse position of the water tank liner is limited, the outer side of the bottom of the side positioning frame 7 is fixedly connected with two parts, the upper surface of the outer support plate 702 is fixedly connected with an outer guide rod 7021 through a screw, the lower edge of the driven clamping table 8 is fixedly connected with two pushing sliding blocks 802, the pushing sliding blocks 802 are connected onto the outer guide rod 7021 in a sliding manner, and the driven clamping table 8 is guided.
The outer surface of the driven clamping table 8 is fixedly connected with a driven push rod 801, the middle of the driven push rod 801 is rotatably connected with a propelling roller 8011 through a bearing, two reset pull plates 803 are respectively welded at two ends of the lower surface of the driven clamping table 8, a reset tension spring 8031 is fixedly connected to the inner surface of each reset pull plate 803, the other end of each reset tension spring 8031 is fixedly connected to the outer support plate 702, a sealing block 804 is fixedly connected to the inner surface of the driven clamping table 8, the sealing block 804 is made of soft rubber, an inner sealing column 8041 with a round block structure is arranged in the middle of the inner surface of the sealing block 804 in a protruding mode, a fillet structure is arranged on the inner edge of the inner sealing column 8041, an outer sealing ring 8042 with a round ring structure is arranged on the periphery of the inner surface of the sealing block 804, and a chamfer structure is arranged on the inner edge of the outer sealing ring 8042; under the normal state, the driven clamping platform 8 is located on the outer side of the upper surface of the outer support plate 702 under the action of the return tension spring 8031 and is far away from the detected liner, when the liner installation platform 5 descends, the pushing roller 8011 contacts with the water tank side frame 201 of the inclined structure, the pushing roller 8011 is in rolling connection with the water tank side frame 201, in the continuous descending process of the liner installation platform 5, the pushing roller 8011 rolls on the water tank side frame 201 of the inclined structure, the driven clamping platform 8 is pushed to move inwards under the action of the water tank side frame 201 of the inclined structure, the driven clamping platform 8 moves inwards to push the sealing block 804 to move inwards, the sealing block 804 is tightly attached to the outer ends of the two rows of pipe bodies on the two sides of the liner of the water tank, the inner sealing column 8041 is inserted into the pipe body to seal the pipe body, and the outer sealing ring 8042 is tightly connected with the outer wall of the pipe body, so that the sealing effect on the pipe body is further improved.
The specific use mode and function of the embodiment are as follows: when the invention is used, the water tank liner is horizontally placed on the liner mounting table 5, the heat collecting pipe mounting pipe and the overflow pipe of the water tank liner respectively face to the front and the rear and are respectively positioned above the side limiting grooves 701 at the front and the rear, the pipe body is limited by the inclined structures at the two sides of the side limiting grooves 701, the transverse position of the water tank liner is limited, the invention is also provided with a longitudinal clamping electric push cylinder 10, the output rod of the longitudinal clamping electric push cylinder 10 is connected with a longitudinal tightening frame 6, when the longitudinal clamping electric push cylinder 10 applies pressure to the longitudinal tightening frame 6, the arc-shaped press plate 602 downwards extrudes the water tank liner from the upper part to clamp and fix the water tank liner, a water injection port of the water tank liner is connected with an air pressure pipe and is provided with an air pressure detection instrument, then the lifting electric push cylinder 4 and the longitudinal clamping electric push cylinder 10 are controlled to move, and the liner mounting table 5 and the longitudinal tightening frame 6 are pushed downwards, in the process, the pushing roller 8011 contacts with the inclined water tank side frame 201, the pushing roller 8011 is connected with the water tank side frame 201 in a rolling way, in the process that the inner container mounting table 5 continuously descends, the pushing roller 8011 rolls on the inclined water tank side frame 201, the driven clamping table 8 is pushed to move inwards under the action of the inclined water tank side frame 201, the driven clamping table 8 moves inwards to push the sealing block 804 to move inwards, so that the sealing block 804 is tightly attached to the outer ends of the two rows of pipe bodies on the two sides of the inner container of the water tank, the effect of sealing the pipe body is realized, when the inner container mounting table 5 and the inner container of the water tank simultaneously enter the test water tank 2 with water, the water surface is not covered by the inner container of the water tank, the inner container of the water tank is pressurized, the detection is carried out in the water, after one end of time of placement, when the pressure gauge is unchanged, the sealing performance of the inner container of the water tank is good, when the pressure gauge is obviously changed, the tightness of the inner container of the water tank is poor, in the process, the position of bubbles generated in the water tank 2 can be observed and tested, namely the leakage point is marked, the lifting electric push cylinder 4 and the longitudinal clamping electric push cylinder 10 are controlled to contract and reset after the leakage point is marked, the inner container of the water tank to be detected is taken out, and the leakage area is repaired.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (7)
1. A sealing test device for a water tank liner of a solar water heater is characterized by comprising a test board (1); a test water tank (2) is fixedly connected in front of the upper surface of the test board (1); the front side and the rear side of the interior of the test water tank (2) are respectively provided with a water tank side frame (201), the bottoms of the two water tank side frames (201) are fixedly connected with the bottom of the test water tank (2), the upper ends of the two water tank side frames (201) are respectively fixedly connected with the front wall and the rear wall of the interior of the test water tank (2), and the upper half side of the water tank side frame (201) is of an inclined structure; the positioning table (3) is fixedly connected to the rear side above the test water tank (2); the rear surface of the positioning table (3) is fixedly connected with two positioning rib plates (301), the lower surfaces of the positioning rib plates (301) are fixedly connected to the upper surface of the test table (1), and the front part of the positioning table (3) is connected with a push cylinder mounting table (302) in a welding manner; the lifting electric pushing cylinder (4) is provided with two positions, the two lifting electric pushing cylinders (4) are fixedly connected to the rear of the pushing cylinder mounting table (302) through bolts, and the two lifting electric pushing cylinders (4) are perpendicular to the test table (1); the upper surface of the liner mounting table (5) is fixedly connected with the tail ends of output rods of the two lifting electric push cylinders (4); the side positioning frames (7) are arranged at two positions, and the two position positioning frames (7) are respectively welded on the front side and the rear side of the upper surface of the liner mounting table (5); the driven clamping table (8) is provided with two positions, and the two driven clamping tables (8) are respectively connected to the outer sides of the two side positioning frames (7) in a sliding manner; the control panel (9) is fixedly connected to the front surface of the positioning table (3) through screws, and the control panel (9) is connected with the two lifting electric push cylinders (4) through electric connecting wires; the electric push cylinder (10) is longitudinally clamped, two positions are arranged on the electric push cylinder (10) which is longitudinally clamped, and the electric push cylinder (10) which is longitudinally clamped is fixedly connected to two sides of the front surface of the push cylinder mounting table (302) through bolts; the longitudinal clamping electric push cylinder (10) is connected with the control panel (9) through an electric connecting wire; the tail ends of the output rods of the two longitudinal clamping electric push cylinders (10) are fixedly connected with a longitudinal tightening frame (6) together; two ends of the longitudinal tightening frame (6) are respectively and fixedly connected with a tightening support rod (601), two arc-shaped pressing plates (602) are respectively and fixedly connected below the tightening support rods (601), and the lower surfaces of the arc-shaped pressing plates (602) are of arc-shaped structures.
2. A sealing test device for a water tank inner container of a solar water heater as claimed in claim 1, characterized in that: a side limiting groove (701) is machined in the middle of the upper surface of the side positioning frame (7), and two outer supporting plates (702) are fixedly connected to the outer side of the bottom of the side positioning frame (7).
3. A sealing test device for a water tank inner container of a solar water heater as claimed in claim 2, characterized in that: the upper surface of the outer support plate (702) is fixedly connected with an outer guide rod (7021) through a screw.
4. A sealing test device for a water tank inner container of a solar water heater as claimed in claim 3, characterized in that: the outer surface of the driven clamping table (8) is fixedly connected with a driven push rod (801), the lower edge of the driven clamping table (8) is fixedly connected with two pushing sliders (802), the pushing sliders (802) are connected onto an outer guide rod (7021) in a sliding mode, two reset pull plates (803) are welded at two ends of the lower surface of the driven clamping table (8) respectively, and the inner surface of the driven clamping table (8) is fixedly connected with a sealing block (804).
5. The sealing test device for the water tank inner container of the solar water heater as claimed in claim 4, wherein: the middle of the driven push rod (801) is rotatably connected with a propelling roller (8011) through a bearing.
6. The sealing test device for the water tank inner container of the solar water heater as claimed in claim 4, wherein: the inner surface of the reset pulling plate (803) is fixedly connected with a reset tension spring (8031), and the other end of the reset tension spring (8031) is fixedly connected to the outer support plate (702).
7. The sealing test device for the water tank inner container of the solar water heater as claimed in claim 4, wherein: the sealing plugging block (804) is made of soft rubber, an inner plugging column (8041) with a circular block structure is convexly arranged in the middle of the inner surface of the sealing plugging block (804), a circular bead structure is arranged on the inner edge of the inner plugging column (8041), an outer plugging ring (8042) with a circular ring structure is arranged on the periphery of the inner surface of the sealing plugging block (804), and a chamfer structure is arranged on the inner edge of the outer plugging ring (8042).
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| CN202211263741.XA CN115325713B (en) | 2022-10-17 | 2022-10-17 | Sealing test device for water tank inner container of solar water heater |
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| CN202211263741.XA CN115325713B (en) | 2022-10-17 | 2022-10-17 | Sealing test device for water tank inner container of solar water heater |
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| CN115325713B true CN115325713B (en) | 2023-01-24 |
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| CN101915642A (en) * | 2010-07-15 | 2010-12-15 | 玉溪市兴红太阳能设备有限公司 | Device for detecting leak tightness of inner water tank of vacuum-tube solar water heater |
| CN203203762U (en) * | 2013-03-05 | 2013-09-18 | 淳安皇光新能源科技有限公司 | An inner liner tightness testing apparatus |
| CN103759902A (en) * | 2014-01-03 | 2014-04-30 | 北京天韵太阳科技发展有限公司 | Solar water heater liner pressure testing device |
| CN105222964A (en) * | 2015-10-16 | 2016-01-06 | 山东三齐能源有限公司 | A kind of solar water heater liner air-tightness detection device |
| CN105890846A (en) * | 2016-04-08 | 2016-08-24 | 太原鹏跃电子科技有限公司 | Micro-control air cylinder wind-water pressure testbed |
| CN105973542A (en) * | 2016-07-26 | 2016-09-28 | 马鞍山市美格尔科技电器有限公司 | Water heater inner container water test device |
| CN216050512U (en) * | 2021-06-22 | 2022-03-15 | 江苏福事特液压技术有限公司 | Air tightness test equipment |
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