CN212157685U - Anti-downdraft device and gas water heater using same - Google Patents
Anti-downdraft device and gas water heater using same Download PDFInfo
- Publication number
- CN212157685U CN212157685U CN202020201956.9U CN202020201956U CN212157685U CN 212157685 U CN212157685 U CN 212157685U CN 202020201956 U CN202020201956 U CN 202020201956U CN 212157685 U CN212157685 U CN 212157685U
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- downdraft
- wind
- tube
- water heater
- rotating shaft
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000000779 smoke Substances 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 abstract description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003546 flue gas Substances 0.000 abstract description 8
- 230000002265 prevention Effects 0.000 description 11
- 238000009423 ventilation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
Abstract
The utility model discloses a prevent down draught device and use its gas heater, prevent down draught device it includes windward tube socket, downdraft tube socket, prevents down the subassembly, the fixed subassembly of first fixed subassembly and second, prevent down the subassembly through first fixed subassembly joint in downdraft tube socket, downdraft tube socket passes through the fixed subassembly of second and windward tube socket joint. When external cold air enters the water heater in advance, the anti-downdraft assembly is in a closed state, so that the influence of the cold air entering the water heater on the performance of the water heater is avoided; when the inside flue gas of water heater need be discharged, prevent that the down draught subassembly upwards opens, realized the discharge of flue gas. The utility model discloses can effectively solve present gas heater and avoid simultaneously because of the dead normal operating problem of complete machine that influences of windshield card because of the damaged problem of frost crack appears because of weather becomes cold.
Description
Technical Field
The utility model belongs to the technical field of gas heater prevents down-draft, concretely relates to prevent down-draft device and use its gas heater.
Background
The forced exhaust type gas water heater is a main product in the domestic combustion and heating market at present, and in order to be used safely according to safety requirements, the smoke outlet of the gas water heater needs to discharge smoke outdoors, so that cold air can flow backwards into the water heater through the exhaust pipe in winter, accumulated water in the heat exchanger is frozen, pipe fittings are burst, and the frost crack problem is caused.
In order to prevent outdoor cold air from entering the inside of the gas water heater along the smoke exhaust pipe, a wind shield is generally arranged in the smoke exhaust pipe of the existing gas water heater. However, this structure has the following problems: in order to ensure that the wind shield rotates flexibly, a larger gap is required between the periphery of the wind shield and the inner wall of the smoke exhaust pipe, so that the anti-freezing effect is reduced, and the periphery of the wind shield and the inner wall of the smoke exhaust pipe are in sealing fit due to the good anti-freezing effect; therefore, the effects of preventing freezing and discharging smoke cannot be simultaneously satisfied only by providing the wind deflector in the smoke discharge pipe.
SUMMERY OF THE UTILITY MODEL
To this end, the utility model provides a prevent down-draught device can satisfy down-draught and the effect of discharging fume simultaneously.
Another object of the utility model is to provide a gas heater.
The utility model adopts the technical proposal that:
the utility model provides a prevent down draught device, its includes windward tube socket, downdraft tube socket, prevents down draught subassembly, first fixed subassembly and the fixed subassembly of second, prevent down draught subassembly through first fixed subassembly joint in downdraft tube socket, downdraft tube socket passes through the fixed subassembly of second and windward tube socket joint.
Preferably, the upper air duct seat comprises a first upper air duct and a second upper air duct, the first upper air duct and the second upper air duct are arranged up and down and are integrally formed, and the diameter of the first upper air duct is smaller than that of the second upper air duct.
Preferably, the lower air duct seat comprises a first lower air duct and a second lower air duct, the first lower air duct and the second lower air duct are arranged up and down and are integrally formed, and the diameter of the first lower air duct is larger than that of the second lower air duct.
Preferably, prevent down draught subassembly is including offering down draught seat, pivot, deep bead and the shirt rim of preventing of left ventilation hole and right ventilation hole, the deep bead sets up two and connects respectively in the both sides of pivot, two the deep bead corresponds the setting respectively on left ventilation hole and right ventilation hole, prevent down draught seat's periphery and turn over an play shirt rim of turning over upwards, be provided with the pivot hole on the shirt rim, the both ends of pivot are inserted the pivot hole and are extended the pivot hole.
Preferably, the first fixing component is a left lug and a right lug which are arranged on two sides of the surface of the first downdraft tube, and two ends of the rotating shaft extending out of the rotating shaft hole are respectively abutted to the inner surfaces of the left lug and the right lug and used for preventing the downdraft prevention component from rotating in the downdraft tube seat.
Preferably, the second fixing component is a left bayonet and a right bayonet which are arranged on two sides of the surface of the second upper wind barrel, and the left bayonet and the right bayonet are respectively matched and clamped with the left lug and the right lug to prevent the lower wind barrel base from rotating in the upper wind barrel base.
Preferably, the anti-downdraft assembly further comprises two limiting parts for limiting the rotation amplitude of the wind shield, and the two limiting parts are respectively located on two sides above the skirt edge.
Preferably, the limiting part is an L-shaped structure, one edge of the L-shaped structure is arranged upwards along the skirt, and the other edge of the L-shaped structure is arranged along the center direction of the anti-backflow seat.
Preferably, prevent down draught assembly further includes sealed protruding muscle, sealed protruding muscle ring is located left side ventilation hole and right ventilation hole on be used for with two the deep bead cooperation.
A gas water heater comprises the anti-downdraft device and a gas water heater body, wherein the anti-downdraft device is arranged at a smoke outlet of the gas water heater body.
Compared with the prior art, the utility model has the advantages that when in use, the anti-downdraft assembly is clamped in the downdraft tube seat through the first fixing assembly, the downdraft tube seat is clamped with the updraft tube seat through the second fixing assembly, and the downdraft tube seat and the anti-downdraft assembly are prevented from rotating through the first fixing assembly and the second fixing assembly; when external cold air enters the water heater in advance, the anti-downdraft assembly is in a closed state, so that the influence of the cold air entering the water heater on the performance of the water heater is avoided; when the inside flue gas of water heater need be discharged, prevent that the down draught subassembly upwards opens, realized the discharge of flue gas. The utility model discloses can effectively solve present gas heater and avoid simultaneously because of the dead normal operating problem of complete machine that influences of windshield card because of the damaged problem of frost crack appears because of weather becomes cold.
Drawings
Fig. 1 is an exploded view of a down draft prevention device according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a down draft prevention device according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a downdraft tube seat in a down draft prevention device according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of an upwind pipe seat in a down draft prevention device provided in embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a down draft prevention seat in a down draft prevention device according to embodiment 1 of the present invention;
fig. 6 is a cross-sectional view of the anti-downdraft device according to the embodiment 1 of the present invention in the first state;
fig. 7 is a sectional view of the anti-wind-back device according to embodiment 1 of the present invention in the second state.
Wherein: 1. the air duct structure comprises an upper air duct base, 2 a lower air duct base, 3 an anti-downdraft assembly, 4 a first fixing assembly, 5 a second fixing assembly, 11 a first upper air duct, 12 a second upper air duct, 21 a first lower air duct, 22 a second lower air duct, 31 an anti-downdraft base, 32 a rotating shaft, 33 an air baffle, 34 a skirt, 35 a limiting piece, 36 a sealing convex rib, 41 a left lug, 42 a right lug, 51 a left bayonet, 52 a right bayonet, 311 a left vent hole, 312 a right vent hole, 341 a rotating shaft hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be clear that the terms "vertical", "horizontal", "longitudinal", "front", "rear", "left", "right", "up", "down", "horizontal", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention, and do not mean that the device or element referred to must have a specific orientation or position, and thus, cannot be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The embodiment 1 of the utility model discloses a down draught prevention device, as shown in fig. 1-2, which comprises an upper draught tube seat 1, a lower draught tube seat 2, a down draught prevention component 3, a first fixing component 4 and a second fixing component 5, wherein the down draught prevention component 3 is clamped in the lower draught tube seat 2 through the first fixing component 4, and the lower draught tube seat 2 is clamped with the upper draught tube seat 1 through the second fixing component 5;
thus, by adopting the structure, the anti-downdraft assembly 3 is clamped in the downdraft tube seat 2 through the first fixing assembly 4, the downdraft tube seat 2 is clamped in the updraft tube seat 1 through the second fixing assembly 5, and the downdraft tube seat 2 and the anti-downdraft assembly 3 are prevented from rotating through the first fixing assembly 4 and the second fixing assembly 2; when external cold air enters the water heater in advance, the anti-downdraft assembly 3 is in a closed state, so that the influence of the cold air entering the water heater on the performance of the water heater is avoided; when the inside flue gas of water heater need be discharged, prevent down draught component 3 and upwards open, realized the discharge of flue gas.
The upper air duct base 1 is of a stepped cylindrical structure and comprises a first upper air duct 11 and a second upper air duct 12, the first upper air duct 11 and the second upper air duct 12 are arranged up and down and are integrally formed, and the diameter of the first upper air duct 11 is smaller than that of the second upper air duct 12;
the lower air duct base 2 is also of a stepped cylindrical structure and comprises a first lower air duct 21 and a second lower air duct 22, the first lower air duct 21 and the second lower air duct 22 are arranged up and down and are integrally formed, and the diameter of the first lower air duct 21 is larger than that of the second lower air duct 22;
thus, the second upper wind barrel 12 and the first lower wind barrel 21 are mutually matched to realize the connection of the upper wind barrel seat 1 and the lower wind barrel seat 2;
specifically, the first lower air duct 21 is clamped in the second upper air duct 12, and the diameters of the second upper air duct 12 and the first lower air duct 21 are respectively larger than the diameters of the first upper air duct 11 and the second lower air duct 22, so that a protruding cavity for placing the anti-downdraft assembly 3 is formed after the two air ducts are clamped;
and, the first upper duct 11 forms a flue gas exhaust end, and the second lower duct 22 forms a flue gas intake end.
As shown in fig. 5, the anti-wind-down assembly 3 includes an anti-wind-down seat 31 having a left vent hole 311 and a right vent hole 312, a rotating shaft 32, two wind shields 33 and a skirt 34, wherein the two wind shields 33 are respectively connected to two sides of the rotating shaft 32, the two wind shields 33 are respectively correspondingly arranged on the left vent hole 311 and the right vent hole 312, the skirt 34 is turned upwards at the periphery of the anti-wind-down seat 31, a rotating shaft hole 341 is arranged on the skirt 34, and two ends of the rotating shaft 32 are inserted into the rotating shaft hole 341 and extend out of the rotating shaft hole 341;
the anti-downdraft assembly 3 further comprises two limiting pieces 35 for limiting the rotation amplitude of the wind shield 33, and the two limiting pieces 35 are respectively positioned on two sides above the skirt 34;
the limiting part 35 is an L-shaped structure, one edge of the L-shaped structure is arranged upwards along the skirt 34, and the other edge of the L-shaped structure is arranged along the central direction of the anti-wind-back seat 31;
thus, the limit piece 35 limits the turning range of the wind deflector 33, and prevents the wind deflector 33 on one side with a large smoke volume from directly turning over to the wind deflector 33 on the other side due to the difference of the smoke volumes on the left side and the right side.
The anti-downdraft assembly 3 further comprises a sealing rib 36, and the sealing rib 36 is annularly arranged on the left vent hole 311 and the right vent hole 312 and is used for being matched with the two wind deflectors 33;
thus, the wind deflector 33 is pivoted with the rotating shaft 32, and the wind deflector 33 is matched with the upper surfaces of the sealing ribs 35 on the left vent hole 311 and the right vent hole 312 of the anti-wind-back seat 31, so as to realize a first state (shown in fig. 6) of sealing and covering the left vent hole 311 and the right vent hole 312 and a second state (shown in fig. 7) of opening towards the smoke discharge end, so that the smoke inlet end and the smoke discharge end are communicated;
specifically, in the first state, as shown in fig. 6, the wind deflector 33 is fitted on the upper surfaces of the sealing ribs 35 on the left vent hole 311 and the right vent hole 312 of the anti-wind-back seat 31, the left vent hole 311 and the right vent hole 312 are sealed by the wind deflector 33 and the sealing ribs 35, and at this time, outside cold air cannot enter the inside of the water heater;
specifically, in the second state, as shown in fig. 7, the wind deflector 33 is turned upward and opened, and the smoke inlet end is communicated with the smoke outlet end, and at this time, smoke enters from the smoke inlet end and is discharged from the smoke outlet end.
As shown in fig. 3, the first fixing component 4 is a left lug 41 and a right lug 42 disposed on two sides of the surface of the first lower air duct 21, and two ends of the rotating shaft 32 extending out of the rotating shaft hole 341 abut against the inner surfaces of the left lug 41 and the right lug 42, respectively;
thus, the down draft prevention assembly 3 is prevented from rotating within the down draft tube base 2 by the left and right lugs 41 and 42.
As shown in fig. 4, the second fixing assembly 5 is a left bayonet 51 and a right bayonet 52 which are arranged on two sides of the surface of the second upper air duct 12, and the left bayonet 51 and the right bayonet 52 are respectively matched and clamped with the left lug 41 and the right lug 42;
thus, the left bayonet 51 and the right bayonet 52 prevent the windbox base 2 from rotating in the windbox base 1.
The working process is as follows:
as shown in fig. 6, when the water heater does not work, no smoke is generated, at this time, the wind guard 33 is matched with the upper surfaces of the sealing ribs 35 on the left vent hole 311 and the right vent hole 312 of the anti-wind-back seat 31, the left vent hole 311 and the right vent hole 312 are sealed through the wind guard 33 and the sealing ribs 35, and external cold air cannot enter the water heater, so that an anti-freezing effect is achieved;
as shown in fig. 7, when the water heater works, smoke generated in the water heater impacts the wind shield 33, the wind shield 33 is turned upwards and opened, the smoke inlet end is communicated with the smoke outlet end, and at the moment, the smoke enters from the smoke inlet end and is discharged from the smoke outlet end; and, because the left lug 41 and the right lug 42 are matched and connected with the rotating shaft 32, the anti-backflow component 3 is prevented from rotating in the downpipe seat 2 under the action of smoke impact force.
Example 2
The embodiment 2 of the utility model discloses gas water heater, it includes embodiment 1 prevent down draught device and gas water heater body, prevent down draught device sets up the department at the smoke vent of gas water heater body.
The embodiment solves the problem that the existing gas water heater is damaged due to frost crack caused by the fact that the weather becomes cold through the anti-downdraft device, and meanwhile, the problem that the normal work of the whole machine is influenced due to the fact that the wind blocking piece is blocked is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a prevent down draught device, its characterized in that, it includes windward tube socket (1), down windward tube socket (2), prevent down draught subassembly (3), first fixed subassembly (4) and the fixed subassembly of second (5), prevent down draught subassembly (3) through first fixed subassembly (4) joint in down draught tube socket (2), down draught tube socket (2) are through the fixed subassembly of second (5) and windward tube socket (1) joint.
2. The anti-downdraft device according to claim 1, wherein the upper duct base (1) comprises a first upper duct (11) and a second upper duct (12), the first upper duct (11) and the second upper duct (12) are arranged up and down and are integrally formed, and the diameter of the first upper duct (11) is smaller than that of the second upper duct (12).
3. The anti-downdraft device according to claim 2, wherein the downdraft tube holder (2) comprises a first downdraft tube (21) and a second downdraft tube (22), the first downdraft tube (21) and the second downdraft tube (22) are arranged up and down and are integrally formed, and the diameter of the first downdraft tube (21) is larger than that of the second downdraft tube (22).
4. The anti-downdraft device according to claim 3, wherein the anti-downdraft assembly (3) comprises an anti-downdraft seat (31) provided with a left vent hole (311) and a right vent hole (312), a rotating shaft (32), two wind deflectors (33) and a skirt edge (34), the two wind deflectors (33) are arranged and connected to two sides of the rotating shaft (32) respectively, the two wind deflectors (33) are correspondingly arranged on the left vent hole (311) and the right vent hole (312) respectively, the skirt edge (34) is turned upwards at the periphery of the anti-downdraft seat (31), a rotating shaft hole (341) is formed in the skirt edge (34), and two ends of the rotating shaft (32) are inserted into the rotating shaft hole (341) and extend out of the rotating shaft hole (341).
5. The anti-downdraft device according to claim 4, wherein the first fixing component (4) is a left lug (41) and a right lug (42) which are arranged on two sides of the surface of the first downdraft tube (21), and two ends of the rotating shaft (32) extending out of the rotating shaft hole (341) abut against the inner surfaces of the left lug (41) and the right lug (42) respectively, so that the anti-downdraft component (3) is prevented from rotating in the downdraft tube base (2).
6. A device for preventing downdraft according to claim 5, wherein the second fixing component (5) is a left bayonet (51) and a right bayonet (52) which are arranged on two sides of the surface of the second upper wind cylinder (12), and the left bayonet (51) and the right bayonet (52) are respectively matched and clamped with the left lug (41) and the right lug (42) for preventing the downdraft tube holder (2) from rotating in the upper wind tube holder (1).
7. A device for preventing wind from falling down according to any one of claims 4-6, characterized in that the assembly for preventing wind from falling down (3) further comprises two limiting members (35) for limiting the rotation amplitude of the wind deflector (33), and the two limiting members (35) are respectively arranged at two sides above the skirt edge (34).
8. A device for preventing wind back according to claim 7, characterized in that the limiting member (35) is an L-shaped structure, one side of the L-shaped structure is arranged upward along the skirt (34), and the other side is arranged along the center direction of the seat (31).
9. A device for preventing wind from falling down according to claim 8, characterized in that the assembly for preventing wind from falling down (3) further comprises a sealing rib (36), the sealing rib (36) is arranged on the left vent hole (311) and the right vent hole (312) in a surrounding manner for matching with the two wind deflectors (33).
10. A gas water heater, characterized in that, it includes the anti-downdraft device and the gas water heater body of any one of claims 1-9, the anti-downdraft device is arranged at the smoke vent of the gas water heater body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020201956.9U CN212157685U (en) | 2020-02-24 | 2020-02-24 | Anti-downdraft device and gas water heater using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020201956.9U CN212157685U (en) | 2020-02-24 | 2020-02-24 | Anti-downdraft device and gas water heater using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212157685U true CN212157685U (en) | 2020-12-15 |
Family
ID=73712058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020201956.9U Active CN212157685U (en) | 2020-02-24 | 2020-02-24 | Anti-downdraft device and gas water heater using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212157685U (en) |
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2020
- 2020-02-24 CN CN202020201956.9U patent/CN212157685U/en active Active
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