Air tightness test tool for water heater box body
By designing a water heater box airtight testing tooling that combines proximity sensor, fixed magnet and fixed cylinder, automatic sealing and release are achieved, solving the problems of cumbersome and misjudgment in the prior art, and improving the efficiency and reliability of the test.
Patent Information
- Application Number
- CN202421901365.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-08-07
AI Technical Summary
The airtightness test tooling for existing water heater boxes is cumbersome, and the operator needs to keep pressing for a long time, which leads to a long and laborious test time, which can easily lead to misjudgment.
A water heater box airtight testing tool is designed, using a combination of proximity sensor, fixed magnet and fixed cylinder. The water heater iron sheet is detected through the sensor, and the cylinder is started to push the magnet out, and the smoke exhaust outlet is sealed with rubber and soft padded skin to achieve automatic sealing and removal.
The tooling test process is labor-saving, the test results are real and reliable, and there will be no air leakage, and the maintenance costs are reduced, which solves the problems of cumbersome operation and misjudgment.
Smart Images

Figure CN222850225U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water heater testing, in particular to an airtight testing tool for a water heater box. Background Art
[0002] A water heater is a device that uses various physical principles to raise the temperature of cold water into hot water within a certain period of time. With the improvement of living standards, water heaters have become a must-have for every household. Before the equipment is put into use, relevant departments will test its safety, electromagnetic compatibility, etc.
[0003] In the prior art, when customers test the air tightness of the water heater tank on site, they use a tool to manually block the exhaust port on the top of the tank, and press the double-handed button to start the equipment. The operator must press the tool to block the exhaust port throughout the process and cannot release it halfway, otherwise the tank air tightness test will fail, resulting in a misjudgment of the water heater tank air tightness test. The tank test time is relatively long, and it is also laborious for the operator to keep pressing for a long time. Therefore, a water heater tank air tightness test tool is provided to solve the above problem. Utility Model Content
[0004] In view of the shortcomings of the prior art, the utility model provides a water heater tank air tightness test tool to solve the problems raised in the above background technology:
[0005] The operator must press the tooling to seal the exhaust port throughout the process and cannot release it midway, otherwise the air tightness test of the box will fail, resulting in a misjudgment of the air tightness test of the water heater box. The box test time is relatively long, and it is also laborious for the operator to keep pressing for a long time.
[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:
[0007] A water heater tank air tightness test tool comprises a front cover, one side of the front cover is fixedly connected to a rear cover, one side of the rear cover is equidistantly provided with nylon blocks, the interior of the nylon block is fixedly connected to a cylinder fixing block and a proximity sensor, the interior of the cylinder fixing block is fixedly connected to a fixed cylinder, the output end of the fixed cylinder is fixedly connected to a fixed magnet, the proximity sensor detects the iron sheet of the water heater tank, the metal button switch is used to start the fixed cylinder to push the fixed magnet to extend, and the fixed magnet pushes a single-sided soft cushion with glue to seal the smoke exhaust port of the water heater tank, the test process is labor-saving, the test results are true and reliable, there is no air leakage, and the maintenance cost is reduced.
[0008] Preferably, an air joint is fixedly connected to one side of the fixed cylinder, which is easy to use and saves space. The locking nut structure is designed so that the connection is stable and not easy to fall off by inserting the air pipe locking nut. The outer side of the fixed magnet is fixedly connected with a single-sided soft cushion with adhesive to prevent the fixed magnet from directly contacting the iron sheet of the water heater to prevent scratches. The top of the front cover is fixedly connected with a lifting ring. The setting of the lifting ring facilitates the hanging of the tooling with a spring balancer, so that it is convenient to approach the water heater box.
[0009] Preferably, a handle is fixedly connected to the outer side of the back cover, the handle is made of aluminum alloy, the button hole is hollow for threading, the corners are rounded, and it is comfortable to hold; a metal button switch is fixedly connected to the inside of the handle, which is a self-resetting type and can control the extension and retraction of the fixed magnet; a magnet fixing block is fixedly connected to the outer side of the fixed magnet to facilitate fixing the fixed magnet, which moves back and forth through the fixed cylinder.
[0010] Preferably, a square nut is symmetrically fixedly connected inside the nylon block, and the square nut is fixedly connected to the back cover by screws, so as to fix the nylon block.
[0011] Preferably, a sealing cotton and an independent bubble EPDM sponge are fixedly connected to the side of the front cover away from the rear cover for airtightness testing; a nylon guide block is fixedly connected to the outer side of the sealing cotton to facilitate alignment of the tooling with the smoke exhaust port of the water heater; holes are opened around the nylon guide block to prevent mismeasurement of the plane.
[0012] Preferably, the outer side of the front cover is fixedly connected with a cable aviation plug and a plug-in through-plate connector. The cable aviation plug can quickly plug in the cable. The two proximity sensor cables plus the button signal line can be quickly switched. The plug-in through-plate connector is an air pipe connector to supply air to the cylinder inside the tooling. The outer side of the front cover and one side of the cable aviation plug are symmetrically fixedly connected with a metal quick-twist connector. The two metal quick-twist connectors connect the test gas inlet and outlet to prevent leakage and stabilize the test.
[0013] The utility model provides a water heater tank air tightness test tool. Compared with the prior art, it has the following beneficial effects:
[0014] The water heater box air tightness test tool can detect the water heater iron sheet through the proximity sensor, the fixed magnet and the fixed cylinder, start the fixed cylinder to push the fixed magnet out, so that the single-sided soft cushion with glue can seal the smoke exhaust port of the water heater box. The test process is labor-saving, the test result is true and reliable, there is no leakage, and the maintenance cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0016] Figure 2It is a three-dimensional structural schematic diagram of the rear cover in the utility model;
[0017] Figure 3 It is a three-dimensional structural schematic diagram of the proximity sensor in the utility model.
[0018] In the figure: 1. lifting ring; 2. cable aviation plug; 3. metal quick-tightening connector; 4. nylon block; 5. nylon guide block; 6. sealing cotton; 7. single-sided soft cushion leather with adhesive; 8. square nut; 9. metal push button switch; 10. handle; 11. back cover; 12. plug-in through-plate connector; 13. front cover; 14. fixing magnet; 15. air connector; 16. fixing cylinder; 17. cylinder fixing block; 18. magnet fixing block; 19. proximity sensor. DETAILED DESCRIPTION
[0019] 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.
[0020] See also Figure 1-3 The utility model provides a technical solution: a water heater box air tightness test tool, including a front cover 13, one side of the front cover 13 is fixedly connected to the rear cover 11, one side of the rear cover 11 is equidistantly provided with nylon blocks 4, the inside of the nylon block 4 is fixedly connected to a cylinder fixing block 17 and a proximity sensor 19, the inside of the cylinder fixing block 17 is fixedly connected to a fixed cylinder 16, the output end of the fixed cylinder 16 is fixedly connected to a fixed magnet 14, the proximity sensor 19 detects the iron sheet of the water heater box, the metal button switch 9 is used to start the fixed cylinder 16 to push the fixed magnet 14 to extend, and the fixed magnet 14 pushes the single-sided rubber cushion skin 7 to seal the smoke exhaust port of the water heater box, the test process is labor-saving, the test result is true and reliable, there is no air leakage, and the maintenance cost is reduced.
[0021] Furthermore, an air joint 15 is fixedly connected to one side of the fixed cylinder 16, which is easy to use and saves space. The locking nut structure is designed so that the connection is stable and not easy to fall off by inserting the air pipe locking nut. A single-sided soft cushion leather 7 with glue is fixedly connected to the outer side of the fixed magnet 14 to prevent the fixed magnet 14 from directly contacting the iron sheet of the water heater to prevent scratches. A lifting ring 1 is fixedly connected to the top of the front cover 13. The setting of the lifting ring 1 makes it convenient to hang the tooling with a spring balancer, so that it is easy to approach the water heater box.
[0022] Furthermore, a handle 10 is fixedly connected to the outer side of the back cover 11. The handle 10 is made of aluminum alloy. The button hole is hollow for threading, and the corners are rounded for comfortable holding. A metal button switch 9 is fixedly connected to the inside of the handle 10. The self-resetting type can control the extension and retraction of the fixed magnet 14. A magnet fixing block 18 is fixedly connected to the outer side of the fixed magnet 14 to facilitate fixing the fixed magnet 14, which moves back and forth through the fixed cylinder 16.
[0023] Furthermore, a square nut 8 is symmetrically fixedly connected inside the nylon block 4 , and the square nut 8 is fixedly connected to the back cover 11 by screws, so as to fix the nylon block 4 .
[0024] Furthermore, a sealing cotton 6, an independent bubble EPDM sponge, is fixedly connected to the side of the front cover 13 away from the rear cover 11 for airtightness testing. A nylon guide block 5 is fixedly connected to the outer side of the sealing cotton 6 to facilitate alignment of the tooling with the smoke exhaust port of the water heater. The nylon guide block 5 has holes around it to prevent mismeasurement of the plane.
[0025] Furthermore, the outer side of the front cover 13 is fixedly connected with a cable aviation plug 2 and a plug-in through-plate connector 12. The cable aviation plug 2 can quickly plug in the cable. The two cables of the proximity sensor 19 plus a button signal line can be quickly switched. The plug-in through-plate connector 12 is an air pipe connector, which supplies air to the cylinder inside the tooling. The outer side of the front cover 13 and one side of the cable aviation plug 2 are symmetrically fixedly connected with a metal quick-tighten connector 3. The two metal quick-tighten connectors 3 connect the inlet and outlet of the test gas to prevent leakage and stabilize the test.
[0026] During operation, the setting of the lifting ring 1 facilitates the tooling to be hung with a spring balancer, so as to be close to the water heater body. The setting of the nylon guide block 5 facilitates the tooling to align with the smoke exhaust port of the water heater. The nylon guide block 5 has holes around it to prevent mismeasurement of the plane. The iron sheet of the water heater body is detected by the proximity sensor 19, and the fixed cylinder 16 is started by the metal button switch 9 to push the fixed magnet 14 to extend. The fixed magnet 14 pushes the single-sided soft cushion skin 7 with glue to seal the smoke exhaust port of the water heater body. The test process is labor-saving, the test results are true and reliable, there is no leakage, and the maintenance cost is reduced.
[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A water heater tank air tightness test tool, comprising a front cover (13), characterized in that: One side of the front cover (13) is fixedly connected to the rear cover (11), one side of the rear cover (11) is provided with nylon blocks (4) at equal intervals, the interior of the nylon block (4) is fixedly connected to a cylinder fixing block (17) and a proximity sensor (19), the interior of the cylinder fixing block (17) is fixedly connected to a fixed cylinder (16), and the output end of the fixed cylinder (16) is fixedly connected to a fixed magnet (14).
2. The water heater tank air tightness test tool according to claim 1, characterized in that: One side of the fixed cylinder (16) is fixedly connected to an air joint (15), the outer side of the fixed magnet (14) is fixedly connected to a single-sided rubber cushion (7), and the top of the front cover (13) is fixedly connected to a lifting ring (1).
3. The water heater tank air tightness test tool according to claim 1, characterized in that: The outer side of the rear cover (11) is fixedly connected to a handle (10), the interior of the handle (10) is fixedly connected to a metal button switch (9), and the outer side of the fixed magnet (14) is fixedly connected to a magnet fixing block (18).
4. The water heater tank air tightness test tool according to claim 1, characterized in that: A square nut (8) is symmetrically fixedly connected inside the nylon block (4), and the square nut (8) is fixedly connected to the rear cover (11) via screws.
5. The water heater tank air tightness test tool according to claim 1, characterized in that: A sealing cotton (6) is fixedly connected to a side of the front cover (13) away from the rear cover (11), and a nylon guide block (5) is fixedly connected to the outer side of the sealing cotton (6).
6. The water heater tank air tightness test tool according to claim 1, characterized in that: The outer side of the front cover (13) is fixedly connected to a cable aviation plug (2) and a plug-in through-plate connector (12), and the outer side of the front cover (13) and one side of the cable aviation plug (2) is symmetrically fixedly connected to a metal quick-tightening connector (3).