CN212029894U

CN212029894U - Gas hot water heating equipment freeze-proof device

Info

Publication number: CN212029894U
Application number: CN202020573579.1U
Authority: CN
Inventors: 李明华
Original assignee: Shandong Shuifa Smart Energy Co ltd
Current assignee: Shandong Shuifa Smart Energy Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-11-27
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses a gas hot water heating equipment anti-freezing device, which comprises a first pipeline communicated with the air outlet end of an exhaust fan inside a gas water heater and a second pipeline communicated with a smoke exhaust pipeline of the gas water heater, wherein the first pipeline is fixedly communicated with the second pipeline, the inner wall of the first pipeline is fixedly provided with a first disc, the middle part of the inner wall of the first disc is inserted with a connecting rod, one end of the connecting rod is fixedly provided with a second disc, the second disc is matched with the first pipeline in shape, the outer wall of the second disc is in sliding fit with the inner wall of the first pipeline, the outer wall of the connecting rod is fixedly provided with a cylinder, a third disc parallel to the first disc is arranged above the first disc, the third disc is in sliding fit with the inner wall of the first pipeline, the utility model has the advantages that when the weather is met, the outside air can not flow into the gas water heater along a, prevent the water tank and other components in the gas water heater from freezing and damaging due to the freezing of the outside cold air.

Description

Gas hot water heating equipment freeze-proof device

Technical Field

The utility model relates to a heating equipment technical field that prevents frostbite, in particular to gas hot water heating equipment freeze-proof device.

Background

The gas water heater is a household gas water heater, because the exhaust pipe of the gas water heater is communicated with the outside, in cold weather, the outside air can flow into the gas water heater along the exhaust port, so that the water tank and other components in the gas water heater are frozen and damaged due to the freezing of the outside cold air, the gas water heater can not be normally used, and the life of residents is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gas hot water heating equipment freeze-proof device can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a gas hot water heating equipment freeze-proof device, includes the first pipeline that communicates with the inside air exhauster air-out end of gas heater and the second pipeline that is linked together with gas heater exhaust pipe, its characterized in that: the pipeline structure comprises a first pipeline, a second pipeline, a connecting rod, a second disk, a third disk, a first pipeline inner wall and a connecting rod, wherein the first pipeline is fixedly communicated with the second pipeline, the inner wall of the first pipeline is fixedly provided with the first disk, the middle part of the inner wall of the first disk is provided with the connecting rod in an inserting manner, one end of the connecting rod is fixedly provided with the second disk, the second disk is matched with the first pipeline in shape, the outer wall of the second disk is matched with the inner wall of the first pipeline in a sliding manner, the outer wall of the connecting rod between the third disk and the third disk is fixedly provided.

Preferably, the adjusting mechanism comprises a connecting pipe installed at the upper end of the first pipeline, the connecting pipe is fixedly communicated with the first pipeline, a screw rod penetrates through the inner wall of the connecting pipe through a thread, one end of the screw rod is fixedly connected with a sleeve, one end of the sleeve, far away from the screw rod, is fixedly connected with the third disc, and the upper end of the connecting rod is inserted into the sleeve and is in sliding fit with the inner wall of the sleeve.

Preferably, a rotating block is fixedly mounted at the other end of the screw rod, anti-skid lines are formed in the outer wall of the rotating block, and the cross section of each anti-skid line is wavy.

Preferably, the outer wall of the first disc is provided with an annular sealing groove, a sealing ring is embedded in the annular sealing groove, and the sealing ring is made of polytetrafluoroethylene.

Preferably, the end part of the second pipeline is fixedly provided with a flange plate, the inner wall of the flange plate is provided with an annular groove, and a filter element is embedded in the annular groove.

Preferably, the lower end of the first disc is fixedly connected with a heat insulation plate made of aerogel felt.

Compared with the prior art, the utility model discloses following beneficial effect has: when the gas water heater is used, the exhaust fan in the gas water heater works to discharge smoke into the first pipeline, when the pressure in the first pipeline is continuously increased and exceeds the pressure exerted by the spring, the first disc upwards extrudes the spring to discharge the smoke from the second pipeline communicated with the smoke discharge pipeline of the gas water heater, and when the gas water heater is not used, the external air can be prevented from flowing into the gas water heater, so that the water tank and other components in the gas water heater are prevented from being frozen due to the freezing of the external cold air.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

in the figure: 1. a first conduit; 2. a second disc; 3. a connecting rod; 4. a first disc; 5. a cylinder; 6. a spring; 7. a third disc; 8. a sleeve; 9. a connecting pipe; 10. a screw; 11. rotating the block; 12. a second conduit; 13. a flange plate; 14. a filter element; 15. an annular groove; 16. an annular seal groove; 17. a seal ring; 18. a heat insulation plate.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in figure 1-2, the anti-freezing device for the gas hot water heating equipment comprises a first pipeline 1 communicated with the air outlet end of an exhaust fan inside a gas water heater and a second pipeline 12 communicated with a smoke exhaust pipeline of the gas water heater, wherein the first pipeline 1 is fixedly communicated with the second pipeline 12, a first disc 4 is fixedly arranged on the inner wall of the first pipeline 1, a connecting rod 3 is inserted in the middle of the inner wall of the first disc 4, a second disc 2 is fixedly arranged at one end of the connecting rod 3, the second disc 2 is matched with the first pipeline 1 in shape, the outer wall of the second disc 2 is matched with the inner wall of the first pipeline 1 in a sliding manner, a cylinder 5 is fixedly arranged on the outer wall of the connecting rod 3, a third disc 7 parallel to the first disc 4 is arranged above the first disc 4, the third disc 7 is matched with the inner wall of the first pipeline 1 in a sliding manner, the connecting rod 3 is inserted in the third disc 7, and a spring 6 is sleeved, the upper end of the first pipeline 1 is provided with an adjusting mechanism for adjusting the vertical position of the third disc 7, when the gas water heater is used, the smoke is discharged into the first pipeline 1 by the exhaust fan in the gas water heater, at the moment, the first disc 4 is positioned at the lower end of the second pipeline 12, the first pipeline 1 is in a closed state, when the internal pressure of the first pipeline 1 is increased, the pressure exerted by the spring 6 is exceeded, the spring 6 is upwards extruded by the first disc 4, the first disc 4 is moved to expose the second pipeline 12, therefore, the smoke is discharged from the second pipeline 12 communicated with the smoke discharge pipeline of the gas water heater, and when the gas water heater is not used, the external air is blocked outside the first disc 4.

Adjustment mechanism is including installing connecting pipe 9 in 1 upper end of first pipeline, connecting pipe 9 and the fixed intercommunication of first pipeline 1, the inner wall of connecting pipe 9 has screw rod 10 through the screw thread activity runs through, screw rod 10 one end fixedly connected with sleeve pipe 8, screw rod 10 one end and third disc 7 fixed connection are kept away from to sleeve pipe 8, the upper end cartridge of connecting rod 3 in sleeve pipe 8 and with 8 inner wall sliding fit of sleeve pipe, screw rod 10 other end fixed mounting has turning block 11, anti-skidding line has been seted up to turning block 11 outer wall, anti-skidding line cross-section is the wave, it makes screw rod 10 descend or rise to rotate turning block 11, make sleeve pipe 8 promote third disc 7 and extrude spring 6 downwards, or loosen spring 6, thereby through the inside gas pressure of control first pipeline 1 of control spring 6 pressure.

The outer wall of the first disc 4 is provided with an annular sealing groove 16, a sealing ring 17 is embedded in the annular sealing groove 16, the sealing ring 17 is made of polytetrafluoroethylene, and the sealing performance between the outer wall of the first disc 4 and the inner wall of the first pipeline 1 is improved by arranging the sealing ring 17.

The end part of the second pipeline 12 is fixedly provided with a flange 13, the inner wall of the flange 13 is provided with an annular groove 15, and a filter element 14 is embedded in the annular groove 15, so that the discharged smoke is purified to a certain extent, and the environmental pollution is reduced.

The lower end of the first disc 4 is fixedly connected with a heat insulation plate 18, the heat insulation plate 18 is made of aerogel felt, and the low temperature inside the gas water heater caused by temperature conduction between the external cold air and the first disc 4 is effectively prevented by arranging the heat insulation plate 18.

The working principle is as follows: when meeting cold weather, through setting up elastic mechanism, can make gas heater when not using, inside first disc 4 can effectively block external cold air and follow the exhaust pipe entering gas heater, gas heater when using, can upwards promote first disc 4 because of gas pressure to expose the second pipeline 12 that is linked together with gas heater exhaust pipe, discharge the cigarette the external world, prevent that water tank and other parts in the gas heater from freezing the bad because of external cold air.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiments and modifications without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a gas hot water heating equipment freeze-proof device, includes first pipeline (1) that communicates mutually with the inside air exhauster air-out end of gas heater and second pipeline (12) that are linked together with gas heater exhaust pipe, its characterized in that: the pipeline comprises a first pipeline (1) and a second pipeline (12) which are fixedly communicated, wherein a first disc (4) is fixedly arranged on the inner wall of the first pipeline (1), a connecting rod (3) is inserted in the middle of the inner wall of the first disc (4), a second disc (2) is fixedly arranged at one end of the connecting rod (3), the second disc (2) is matched with the first pipeline (1) in shape, the outer wall of the second disc (2) is in sliding fit with the inner wall of the first pipeline (1), a cylinder (5) is fixedly arranged on the outer wall of the connecting rod (3), a third disc (7) parallel to the first disc (4) is arranged above the first disc (4), the third disc (7) is in sliding fit with the inner wall of the first pipeline (1), the connecting rod (3) is inserted in the third disc (7), a spring (6) is sleeved on the connecting rod (3) between the third disc (7) and the cylinder (5), and an adjusting mechanism for adjusting the vertical position of the third disc (7) is arranged at the upper end of the first pipeline (1).

2. The gas-fired hot-water heating apparatus antifreeze apparatus according to claim 1, characterized in that: adjustment mechanism is including installing connecting pipe (9) in first pipeline (1) upper end, connecting pipe (9) and the fixed intercommunication of first pipeline (1), connecting pipe (9) inner wall has screw rod (10) through the screw thread activity runs through, screw rod (10) one end fixedly connected with sleeve pipe (8), screw rod (10) one end and third disc (7) fixed connection are kept away from in sleeve pipe (8), the upper end cartridge of connecting rod (3) just with sleeve pipe (8) inner wall sliding fit in sleeve pipe (8).

3. The gas-fired hot-water heating apparatus antifreeze apparatus according to claim 2, characterized in that: the anti-skidding screw rod is characterized in that a rotating block (11) is fixedly mounted at the other end of the screw rod (10), anti-skidding lines are formed in the outer wall of the rotating block (11), and the cross section of each anti-skidding line is wavy.

4. The gas-fired hot-water heating apparatus antifreeze apparatus according to claim 1, characterized in that: the outer wall of the first disc (4) is provided with an annular sealing groove (16), a sealing ring (17) is embedded into the annular sealing groove (16), and the sealing ring (17) is made of polytetrafluoroethylene.

5. The gas-fired hot-water heating apparatus antifreeze apparatus according to claim 1, characterized in that: the end part of the second pipeline (12) is fixedly provided with a flange plate (13), the inner wall of the flange plate (13) is provided with an annular groove (15), and a filter element (14) is embedded in the annular groove (15).

6. The gas-fired hot-water heating apparatus antifreeze apparatus according to claim 1, characterized in that: the lower end of the first disc (4) is fixedly connected with a heat insulation plate (18), and the heat insulation plate (18) is made of aerogel felt.