CN201561690U - Anti-icer of heat exchanger in gas water heater - Google Patents
Anti-icer of heat exchanger in gas water heater Download PDFInfo
- Publication number
- CN201561690U CN201561690U CN2009202640473U CN200920264047U CN201561690U CN 201561690 U CN201561690 U CN 201561690U CN 2009202640473 U CN2009202640473 U CN 2009202640473U CN 200920264047 U CN200920264047 U CN 200920264047U CN 201561690 U CN201561690 U CN 201561690U
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- heat exchanger
- relief tube
- tube
- piston
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Abstract
An anti-icer of a heat exchanger in a gas water heater has the main technical characteristics that the anti-icer comprises a sealing cover, a pressure relief pipe, a spring, a piston, a water service cavity and a seal ring, wherein the piston is provided with a sealing groove and a guide rod; the sealing groove formed in the piston is sheathed with the seal ring; the piston is installed inside the pressure relief pipe and sealed with the inner side of a water inlet formed at the front end of the pressure relief pipe; a sealing cover through-hole is formed on the sealing cover; the sealing cover is connected with the tail end of the pressure relief pipe, and the guide rod penetrates out of the sealing cover through-hole formed in the sealing cover; the guide rod is sheathed with the spring; a heat exchange pipe connection hole and a pressure relief pipe connection hole are formed on the water service cavity; the water service cavity is communicated with a heat exchange pipe in the heat exchanger through the heat exchange pipe connection hole; and the water service cavity is communicated with the water inlet of the pressure relief pipe through the pressure relief pipe connection hole. The anti-icer has the characteristics that freezing resistance can be achieved effectively under power failure without consuming energy, degree of automation is high, and production is convenient, etc.
Description
Technical field: the utility model relates to the defroster of heat exchanger in a kind of gas heater, and it is applicable in the gas heaters such as chimney flue type gas heater, balanced type gas heater, forced exhaust formula gas heater, pressure supply and exhaust formula gas heater.
Background technology: existing gas heater; when preventing that environment temperature is low in the gas heater water pipe in the heat exchanger because of the water freezing spalling in managing; usually adopt following three kinds of antifreeze modes: electrical heating antifreezing; the combustion gas heating and anti-freezing; the draining of manual drainage valve; preceding two kinds of antifreeze modes must civil power could operate as normal; need simultaneously constantly to heat; and consume a large amount of energy; electrical heating antifreezing and combustion gas heating and anti-freezing all can't be worked under situation about having a power failure; the draining of manual drainage valve needs user's manual operations draining valve to discharge water; the user usually can forget and discharges water in actual the use; and cause the gas heater inner water tube by bursting by freezing; cause and exist defroster to waste energy; can't be normally antifreeze under the power failure situation, defective such as automaticity is lower.For overcoming these defectives, the defroster of heat exchanger in the gas heater is developed.
Summary of the invention: technical problem to be solved in the utility model is the defroster that heat exchanger in a kind of gas heater will be provided, and it does not need consumes energy, can be antifreeze effectively under the power failure situation, and automaticity is high and be convenient to produce.
The technical scheme that its technical problem that solves the utility model adopts is: it comprises seal cover, relief tube, spring, piston, the water flowing chamber, sealing ring, described piston is provided with seal groove and guide post, sealing ring is enclosed within on the seal groove in the piston, piston be installed in the relief tube and with the water inlet inner seal of relief tube front end, be provided with the seal cover through hole in the seal cover, seal cover is connected in the end of relief tube and guide post and passes seal cover through hole in the seal cover, spring housing is on guide post, the water flowing chamber is provided with the heat exchanger tube connecting hole, the relief tube connecting hole, the water flowing chamber is communicated with heat exchanger tube in the heat exchanger by the heat exchanger tube connecting hole, and the water flowing chamber is passed through the relief tube connecting hole and is communicated with the water inlet of relief tube.
Described sealing ring is the O RunddichtringO.
Described water flowing chamber be cuboid.
The cross section in described water flowing chamber is fan-shaped.
It also comprises tube connector, and described tube connector one end is communicated with relief tube connecting hole in the water flowing chamber, and the other end of tube connector is communicated with the water inlet of relief tube.
Described relief tube front end is provided with step, and the relief tube connecting hole in the water flowing chamber is communicated with relief tube by step.
Described relief tube front end is provided with step, and tube connector is communicated with relief tube by step.
Described tube connector is a bend pipe.
The quantity of described relief tube connecting hole, relief tube is more than one.
The utility model is compared the beneficial effect that is produced with background technology:
1, because the utility model adopts it to comprise seal cover, relief tube, spring, piston, the water flowing chamber, sealing ring, described piston is provided with seal groove and guide post, sealing ring is enclosed within on the seal groove in the piston, piston be installed in the relief tube and with the water inlet inner seal of relief tube front end, be provided with the seal cover through hole in the seal cover, seal cover is connected in the end of relief tube and guide post and passes seal cover through hole in the seal cover, spring housing is on guide post, the water flowing chamber is provided with the heat exchanger tube connecting hole, the relief tube connecting hole, the water flowing chamber is communicated with heat exchanger tube in the heat exchanger by the heat exchanger tube connecting hole, the structure that the water flowing chamber is communicated with the water inlet of relief tube by the relief tube connecting hole, so it does not need consumes energy, can be antifreeze effectively under the power failure situation, automaticity is high and be convenient to produce.
Description of drawings: Fig. 1 is first kind of structural representation of the present utility model.
Fig. 2 is second kind of structural representation of the present utility model.
Fig. 3 is the structural representation in water flowing chamber 7 among Fig. 2.
Fig. 4 is the third structural representation of the present utility model.
Fig. 5 is the vertical view of Fig. 4.
The specific embodiment:
Embodiment one:
Shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, present embodiment comprises seal cover 1, relief tube 2, spring 3, piston 4, water flowing chamber 7, sealing ring 13, sealing ring 13 is the O RunddichtringO, piston 4 is provided with seal groove 5 and guide post 6, piston 4 is installed in the relief tube 2, sealing ring 13 is enclosed within on the seal groove 5 in the piston 4, and relief tube 2 front ends are provided with step 15, and piston 4 is by water inlet 11 inner seals of sealing ring 13 with relief tube 2 front ends.Be provided with seal cover through hole 10 in the seal cover 1, seal cover 1 is connected in the end of relief tube 2 and guide post 6 and passes seal cover through hole 10 in the seal cover 1, and spring 3 is enclosed within on the guide post 6, spring 3 two ends respectively with the interior side contacts of piston 4 and seal cover 1.Water flowing chamber 7 be shaped as cuboid (as shown in Figure 1) or cross section is fan-shaped (as shown in Figure 2), water flowing chamber 7 is provided with heat exchanger tube connecting hole 8, relief tube connecting hole 9, heat exchanger tube connecting hole 8 is communicated with heat exchanger tube 12 in the heat exchanger, and relief tube connecting hole 9 is communicated with the water inlet 11 of relief tube 2 by step 15.The quantity of relief tube connecting hole 9, relief tube 2 is more than one, and quantity is two in the present embodiment, and pressure release is antifreeze effectively.
The compression stress of spring 3 is less than the expansive force that freezes, greater than the normal pressure that uses of running water.Behind the water freezing of the heat exchanger tube 12 in the heat exchanger,, the compression stress of spring 3 in relief tube 2, expands by water flowing chamber 7 because less than the expansive force of water freezing, freezing, spring 3 compressions, and piston 4 promotes to the end of relief tube 2.After adopting this structure, heat exchanger tube directly is communicated with water flowing chamber 7, avoids pipe bent position ice cube squeeze crack bend pipe, can make firm welding between heat exchanger tube 12 and the frost valve, be convenient to produce, and the effect of pressure release is better.
Water heater is when normal the use, the pressure of running water acts on the end face of piston 4 in the heat exchanger tube 12 in the heat exchanger by water flowing chamber 7, promoting piston 4 moves to seal cover 1 direction, compression spring 3 reaches the dynamic balance on piston 4 both sides, at this moment the normal pressure that uses of spring compression stress and running water is in poised state, the space that also has piston 4 enough to move between piston 4 and close seal cover 1 in the relief tube 2.
When environment temperature is low, the water freezing of heat exchanger tube 12 solidifies in the heat exchanger, volume becomes big behind the water freezing, promote piston 4 extrusion springs 3 by water flowing chamber 7, and move to the direction of seal cover 1, the seal cover through hole 10 of air in the relief tube 2 from seal cover 1 discharged, the part ice cube enters in the relief tube 2, reduced after the water freezing volumetric expansion ice cube greatly to the pressure of heat exchanger tube in the heat exchanger 12, water pipe when avoiding environment temperature low in the interior heat exchanger of gas heater is because of the water freezing spalling in managing, can play antifreeze effect effectively, the automaticity height.
Embodiment two:
Shown in accompanying drawing 4, accompanying drawing 5, present embodiment comprises seal cover 1, relief tube 2, spring 3, piston 4, water flowing chamber 7, sealing ring 13, tube connector 14, relief tube 2 front ends are provided with step 15, piston 4 is provided with seal groove 5 and guide post 6, be provided with seal cover through hole 10 in the seal cover 1, water flowing chamber 7 is provided with heat exchanger tube connecting hole 8, relief tube connecting hole 9, and tube connector 14 is bend pipe and is communicated with relief tube 2 by step 15, adopts 90 ° of bend pipes can save the space of installation tube connector 14.The sectional area of relief tube 2 can less than, be equal to or greater than the sectional area of tube connector 14, the sectional area of relief tube 2 can less than, be equal to or greater than the sectional area of the heat exchanger tube 12 in the heat exchanger.Tube connector 14 1 ends are communicated with relief tube connecting hole 9 in the water flowing chamber 7, and the other end is communicated with the water inlet 11 of relief tube 2.
The connected mode of remaining part and the course of work are identical with embodiment one.
Claims (10)
1. the defroster of heat exchanger in the gas heater, it is characterized in that it comprises seal cover (1), relief tube (2), spring (3), piston (4), water flowing chamber (7), sealing ring (13), described piston (4) is provided with seal groove (5) and guide post (6), sealing ring (13) is enclosed within on the seal groove (5) in the piston (4), piston (4) be installed in the relief tube (2) and with water inlet (11) inner seal of relief tube (2) front end, be provided with seal cover through hole (10) in the seal cover (1), seal cover (1) is connected in the end of relief tube (2) and guide post (6) and passes seal cover through hole (10) in the seal cover (1), spring (3) is enclosed within on the guide post (6), water flowing chamber (7) is provided with heat exchanger tube connecting hole (8), relief tube connecting hole (9), water flowing chamber (7) is communicated with heat exchanger tube (12) in the heat exchanger by heat exchanger tube connecting hole (8), and water flowing chamber (7) are passed through relief tube connecting hole (9) and are communicated with the water inlet (11) of relief tube (2).
2. the defroster of heat exchanger in the gas heater according to claim 1 is characterized in that described sealing ring (13) is the O RunddichtringO.
3. the defroster of heat exchanger in the gas heater according to claim 1 and 2, what it is characterized in that described water flowing chamber (7) is cuboid.
4. the defroster of heat exchanger in the gas heater according to claim 1 and 2, the cross section that it is characterized in that described water flowing chamber (7) is fan-shaped.
5. the defroster of heat exchanger in the gas heater according to claim 1 and 2, it is characterized in that it also comprises tube connector (14), described tube connector (14) one ends are communicated with relief tube connecting hole (9) in water flowing chamber (7), and the other end of tube connector (14) is communicated with the water inlet (11) of relief tube (2).
6. the defroster of heat exchanger in the gas heater according to claim 1 and 2 is characterized in that described relief tube (2) front end is provided with step (15), and the relief tube connecting hole (9) in water flowing chamber (7) is communicated with relief tube (2) by step (15).
7. the defroster of heat exchanger in the gas heater according to claim 5 is characterized in that described relief tube (2) front end is provided with step (15), and tube connector (14) is communicated with relief tube (2) by step (15).
8. the defroster of heat exchanger in the gas heater according to claim 7 is characterized in that described tube connector (14) is a bend pipe.
9. the defroster of heat exchanger in the gas heater according to claim 1 and 2 is characterized in that the quantity of described relief tube connecting hole (9), relief tube (2) is more than one.
10. the defroster of heat exchanger in the gas heater according to claim 8 is characterized in that the quantity of described relief tube connecting hole (9), relief tube (2) is more than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202640473U CN201561690U (en) | 2009-12-01 | 2009-12-01 | Anti-icer of heat exchanger in gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202640473U CN201561690U (en) | 2009-12-01 | 2009-12-01 | Anti-icer of heat exchanger in gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201561690U true CN201561690U (en) | 2010-08-25 |
Family
ID=42626836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202640473U Expired - Fee Related CN201561690U (en) | 2009-12-01 | 2009-12-01 | Anti-icer of heat exchanger in gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201561690U (en) |
-
2009
- 2009-12-01 CN CN2009202640473U patent/CN201561690U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20181201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |