Waterproof structure of water jacket heater of generator

Abstract

The utility model discloses a waterproof structure of a generator water jacket heater, which comprises a water jacket, the upper end of the water jacket is provided with a shell, the lower end of the shell is symmetrically provided with through holes, the inner bottom of the shell is provided with a fixing ring corresponding to the positions of the through holes, the fixing ring is internally provided with a rubber sealing ring I, the water jacket is internally provided with two heating pipes, and the outer surfaces of the heating pipes are provided with assembling rings. The upper ends of the two heating pipes are jointly connected with a circuit board in an inserted mode, a limiting ring is arranged at the upper end of the fixing ring, and limiting mechanisms are symmetrically installed at the bottom in the shell. The assembly ring extrudes the first rubber sealing ring to deform to block a gap, water is prevented from entering the shell to erode a circuit board, the annular drying block absorbs moisture, the moisture-proof effect is good, air in the shell is kept dry, the annular blocking block extrudes the second rubber sealing ring to improve the waterproofness, and the service life of the shell is prolonged. The two arc-shaped sealing strips are installed at the gap between the first connecting ring and the second connecting ring, so that the waterproof performance is improved, and the waterproof effect is good.

Description

Technical Field

[0001] The utility model relates to the field of generator water jacket heaters, in particular to a waterproof structure of a generator water jacket heater. Background Art

[0002] The generator water jacket heater is designed to ensure that the diesel generator set can work normally in a low temperature environment, especially when the ambient temperature may be below 4°C. This heater preheats and maintains a constant temperature for the engine cooling water and lubricating oil through an external power supply to prevent them from condensing into a solid state at low temperatures and losing their lubrication or cooling functions. The existing generator water jacket heaters are not waterproof enough, and water can easily invade through the shell gaps of the water jacket heater, causing the circuit board inside the shell to become damp and short-circuited and damaged. Therefore, those skilled in the art provide a generator water jacket heater waterproof structure to solve the problems raised in the above background technology. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a generator water jacket heater waterproof structure, including a water jacket, a shell is installed on the upper end of the water jacket, through holes are symmetrically provided at the lower end of the shell, a fixing ring is installed at the position corresponding to the through hole at the bottom of the shell, and a rubber sealing ring is arranged inside the fixing ring;

[0004] Two heating tubes are arranged inside the water jacket, and an assembly ring is installed on the outer surface of the heating tube, and the assembly ring is located inside the fixing ring. The upper ends of the two heating tubes are connected with a circuit board, and a limit ring is arranged on the upper end of the fixing ring. The limit mechanism is symmetrically installed at the bottom of the shell;

[0005] An annular drying block is arranged inside the shell, a connecting ring 1 is installed on the outer surface of the shell, an annular groove is arranged on the upper end of the connecting ring 1, a rubber sealing ring 2 is arranged inside the annular groove, and a cover plate is arranged on the upper end of the shell;

[0006] The outer surface of the cover plate is connected with a second connecting ring, the lower end of which is provided with an annular blocking block, arc-shaped sealing strips are symmetrically arranged on the sides of the first connecting ring and the second connecting ring, and an arc-shaped groove block is arranged on the outer side of the arc-shaped sealing strip.

[0007] Preferably, the limiting mechanism comprises a groove block and a buckle-pull block, the guide rods are symmetrically installed inside the groove block, and the buckle-pull blocks are sleeved on the outer surfaces of the two guide rods.

[0008] Preferably: a spring is sleeved on the outer surface of the guide rod.

[0009] Preferably: a limiting semi-arc block is symmetrically installed at one end of the buckle and pull block, and the limiting semi-arc block is located at the upper end of the limiting ring.

[0010] Preferably, the two arc-shaped slot blocks are fixedly connected by fastening bolts.

[0011] Technical effects and advantages of the utility model:

[0012] The utility model uses an assembling ring to extrude a rubber sealing ring to deform and block the gap, thereby preventing water from entering the shell and corroding the circuit board; the annular drying block absorbs moisture, thereby achieving a good moisture-proof effect, thereby keeping the air inside the shell dry; the annular blocking block extrudes a rubber sealing ring to improve waterproofness; and two arc-shaped sealing strips are installed at the gap between the connecting ring 1 and the connecting ring 2 to improve waterproofness, thereby achieving a good waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of this application;

[0014] Figure 2 It is a structural schematic diagram of the arc groove block of the present application;

[0015] Figure 3 It is a structural schematic diagram of the shell of the present application;

[0016] Figure 4 It is a structural schematic diagram of the fixing ring of the present application;

[0017] Figure 5 It is a structural schematic diagram of the limiting mechanism of this application;

[0018] In the figure:

[0019] 1. Water jacket; 2. Shell; 3. Through hole; 4. Fixing ring; 5. Rubber sealing ring 1; 6. Heating tube; 7. Assembly ring; 8. Circuit board; 9. Limiting ring;

[0020] 10. Limiting mechanism; 11. Groove block; 12. Guide rod; 13. Buckle and pull block; 14. Spring; 15. Limiting semi-arc block; 16. Annular drying block; 17. Annular groove; 18. Rubber sealing ring II; 19. Cover plate; 20. Annular blocking block; 21. Arc sealing strip; 22. Arc groove block; 23. Fastening bolts. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0022] See also Figures 1 to 5In this embodiment, a generator water jacket heater waterproof structure is provided, including a water jacket 1, an inlet pipe and an outlet pipe are arranged on the outer surface of the water jacket 1, a shell 2 is installed on the upper end of the water jacket 1, a through hole 3 is symmetrically provided at the lower end of the shell 2, a fixing ring 4 is installed at a position corresponding to the through hole 3 at the bottom of the shell 2, a rubber sealing ring 5 is arranged inside the fixing ring 4, two heating tubes 6 are arranged inside the water jacket 1, and the heating tubes 6 pass through the through hole 3, an assembly ring 7 is installed on the outer surface of the heating tube 6, and the assembly ring 7 is located in the fixing ring 4, a circuit board 8 is plugged into the upper ends of the two heating tubes 6, and the circuit board 8 is located in the shell 2, a limiting ring 9 is arranged on the upper end of the fixing ring 4, and a limiting mechanism 10 is symmetrically installed at the bottom of the shell 2, and the limiting mechanism 10 includes a groove block 11 and a buckle pull block 13, the groove block 11 A guide rod 12 is symmetrically installed inside, and a buckle block 13 is sleeved on the outer surface of the two guide rods 12. A spring 14 is sleeved on the outer surface of the guide rod 12. A limiting semi-arc block 15 is symmetrically installed at one end of the buckle block 13, and the limiting semi-arc block 15 is located at the upper end of the limiting ring 9. An annular drying block 16 is arranged inside the shell 2, and a connecting ring 1 is installed on the outer surface of the shell 2. An annular groove 17 is provided on the upper end of the connecting ring 1, and a rubber sealing ring 2 18 is arranged inside the annular groove 17. A cover plate 19 is arranged on the upper end of the shell 2, and a connecting ring 2 is arranged on the outer surface of the cover plate 19. An annular blocking block 20 is installed on the lower end of the connecting ring 2. Arc sealing strips 21 are symmetrically arranged on the sides of the connecting ring 1 and the connecting ring 2, and an arc groove block 22 is arranged on the outer side of the arc sealing strip 21. The two arc groove blocks 22 are fixedly connected by fastening bolts 23.

[0023] The working principle of the utility model is as follows: put the rubber sealing ring 5 into the fixing ring 4, then put the lower part of the heating tube 6 through the through hole 3 and place it inside the water jacket 1, so that the assembly ring 7 is placed on the rubber sealing ring 5 in the fixing ring 4, and then put the limiting ring 9 on the assembly ring 7, and then push the buckle pull block 13 to move through the spring 14, and the buckle pull block 13 drives the limiting semi-arc block 15 to reset and clamp on the upper end of the limiting ring 9, and the limiting semi-arc block 15 blocks the limiting ring 9, so that the heating tube 6 is firmly installed, and at the same time, the rubber sealing ring 5 is squeezed by the assembly ring 7 to deform and block the gap, so as to prevent water from entering the shell 2 and corroding. Circuit board 8, then put the annular drying block 16 into the shell 2, absorb moisture through the annular drying block 16, so that the air inside the shell 2 is kept dry, put the rubber sealing ring 18 into the annular groove 17, install the cover plate 19 on the upper end of the shell 2, make the annular blocking block 20 enter the annular groove 17 to squeeze the rubber sealing ring 18 to improve the waterproof performance, stick the two arc-shaped sealing strips 21 to the gap between the connecting ring 1 and the connecting ring 2 to improve the waterproof performance, put the two arc-shaped groove blocks 22 together and put them outside the connecting ring 1 and the connecting ring 2, and fix the two arc-shaped groove blocks 22 together by tightening bolts 23.

[0024] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A generator water jacket heater waterproof structure, comprising a water jacket (1), characterized in that: The upper end of the water jacket (1) is mounted with a shell (2), the lower end of the shell (2) is symmetrically provided with through holes (3), a fixing ring (4) is mounted at a position corresponding to the through hole (3) at the bottom of the shell (2), and a rubber sealing ring (5) is arranged inside the fixing ring (4); Two heating tubes (6) are arranged inside the water jacket (1); an assembly ring (7) is installed on the outer surface of the heating tube (6); the assembly ring (7) is located inside the fixing ring (4); a circuit board (8) is plugged into the upper ends of the two heating tubes (6); a limiting ring (9) is arranged on the upper end of the fixing ring (4); and a limiting mechanism (10) is symmetrically installed at the bottom of the housing (2); An annular drying block (16) is arranged inside the shell (2), a connecting ring (1) is installed on the outer surface of the shell (2), an annular groove (17) is provided at the upper end of the connecting ring (1), a rubber sealing ring (18) is arranged inside the annular groove (17), and a cover plate (19) is arranged at the upper end of the shell (2); The outer surface of the cover plate (19) is connected to a second connecting ring, and an annular blocking block (20) is installed at the lower end of the second connecting ring. Arc-shaped sealing strips (21) are symmetrically arranged on the sides of the first connecting ring and the second connecting ring, and an arc-shaped groove block (22) is arranged outside the arc-shaped sealing strip (21).

2. A generator water jacket heater waterproof structure according to claim 1, characterized in that: The limiting mechanism (10) comprises a groove block (11) and a buckle and pull block (13); the guide rods (12) are symmetrically installed inside the groove block (11); and the buckle and pull blocks (13) are sleeved on the outer surfaces of the two guide rods (12).

3. A generator water jacket heater waterproof structure according to claim 2, characterized in that: A spring (14) is sleeved on the outer surface of the guide rod (12).

4. A generator water jacket heater waterproof structure according to claim 2, characterized in that: A limiting semi-arc block (15) is symmetrically mounted on one end of the buckling block (13), and the limiting semi-arc block (15) is located at the upper end of the limiting ring (9).

5. The waterproof structure of a generator water jacket heater according to claim 1, characterized in that: The two arc-shaped slot blocks (22) are fixedly connected by fastening bolts (23).

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