CN218955197U - Gas collecting hood for gas water heater - Google Patents

Abstract

The utility model belongs to the technical field of accessories of gas water heaters, and discloses a gas collecting hood for a gas water heater, which is provided with a gas collecting hood body, a smoke exhaust pipe interface and a wind shielding valve plate; the method is characterized in that: also has first to fourth connecting parts; the inner wall of the smoke exhaust pipe interface is provided with four blocking parts with through fixing holes; the wind shielding valve plate consists of a valve plate body and four superposed parts protruding out of the lower surface of the valve plate body, and the superposed parts are provided with laterally through hanging holes; when the smoke exhaust pipe is in an assembled state, the smoke exhaust pipe connector is of a cylindrical structure with a closed side surface, the air valve plate is positioned in the smoke exhaust pipe connector, and the connecting part is movably connected with the corresponding blocking part and the stacking part; the first connecting member has a length smaller than the second and fourth connecting members, and the second and fourth connecting members have a length smaller than the third connecting member. The utility model has the following main beneficial technical effects: simple structure, few parts, low cost and easy local replacement.

Description

Gas collecting hood for gas water heater

Technical Field

The utility model belongs to the technical field of accessories of gas water heaters, and discloses a gas collecting hood for a gas water heater.

Background

Please see fig. 1, cn102538205b discloses a gas collecting hood of a gas water heater, which comprises a gas collecting hood body 1, a smoke exhaust pipe interface 2 installed at the top of the height direction of the gas collecting hood body 1 and communicated with the gas collecting hood body 1, a wind shielding valve plate 3 arranged in a cavity of the smoke exhaust pipe interface 2, and a pin shaft 4, wherein the wind shielding valve plate 3 is in a disc shape, and a pair of pin shaft seats 31 are formed on the wind shielding valve plate 3 in a stamping mode deviating from the diameter direction, and the gas collecting hood is characterized in that: the valve block support 6 is formed by a pair of long frames 61 and a side frame 62, the pair of long frames 61 are arranged in parallel in a facing manner and are connected through the side frame 62, the side frame 62 is an arc-shaped plate, the radian of the arc-shaped plate is matched with the radian of the inner wall of the smoke exhaust pipe joint 2, the valve block support 6 is vertically fixed on the inner wall of the smoke exhaust pipe joint 2 through the side frame 62, a pin hole 611 is respectively formed in the upper part of one end of the pair of long frames 61 in the length direction, inclined protruding parts 612 are formed by extending outwards in the lower part of one end of the pair of long frames 61 in the length direction, the pin shaft 4 is arranged in the pair of pin holes 611 in a penetrating manner and is arranged on the pair of pin shaft seats 31 in a movable manner, so that the wind shielding valve block 3 is movably hinged with the valve block support 6 through the pin shaft 4, and the circle of the wind shielding valve block 3 is divided into two parts with different areas by the pin shaft 4, wherein: the large area portion is for engaging with the upper plane of the blade mount 6 to hold the wind shielding blade 3 in the closed state, and the small area portion is for engaging with the protrusion 612 to hold the wind shielding blade 3 in the open position.

CN108019944a discloses a gas collecting hood and gas water heater using the same, including an exhaust connecting cylinder, its characterized in that: compared with the prior art, the utility model has the advantages that the turbine component which only allows the smoke to be discharged is arranged in the exhaust connecting cylinder, so that the external air flow can be effectively prevented from entering the lower part of the gas collecting cover, the heat around the heat pipe is prevented from being taken away when the external air flow enters the smoke pipe, the stay time of the heat around the heat exchange pipe can be prolonged, the heat exchange efficiency of heat exchange is improved, the content of harmful gas in the smoke is kept in a standard range, and the working reliability of the gas water heater is ensured.

However, the above prior art has the following drawbacks: the structure is complex, the parts are more, the cost is high, and the whole replacement is needed when the damage is caused.

Disclosure of Invention

In order to solve the problems, the utility model aims to disclose a gas collecting hood for a gas water heater, which is realized by adopting the following technical scheme.

A gas collecting hood for a gas water heater is provided with a gas collecting hood body, a smoke exhaust pipe connector fixedly arranged on the gas collecting hood body, and a wind shielding valve plate arranged in the smoke exhaust pipe connector; the method is characterized in that: the device also comprises a first connecting component, a second connecting component, a third connecting component and a fourth connecting component; the inner wall of the smoke exhaust pipe interface is provided with a first blocking part, a second blocking part, a third blocking part and a fourth blocking part, the first blocking part is provided with a first fixing hole penetrating through the first blocking part, the first blocking part is provided with a first fixing groove for separating the upper ends of the first blocking part, the second blocking part is provided with a second fixing hole penetrating through the second blocking part, the third blocking part is provided with a third fixing hole penetrating through the third blocking part, and the fourth blocking part is provided with a fourth fixing hole penetrating through the fourth blocking part; the wind shielding valve plate consists of a valve plate body, a first stacking part, a second stacking part, a third stacking part and a fourth stacking part, wherein the first stacking part protrudes out of the lower surface of the valve plate body, a first hanging hole laterally penetrating through the first stacking part is formed in the first stacking part, a second hanging hole laterally penetrating through the second stacking part is formed in the second stacking part, a third hanging hole laterally penetrating through the third stacking part is formed in the third stacking part, and a fourth hanging hole laterally penetrating through the fourth stacking part is formed in the fourth stacking part; when the smoke exhaust pipe is in an assembled state, the smoke exhaust pipe connector is of a cylindrical structure with a closed side surface, the air valve plate is arranged in the smoke exhaust pipe connector from the upper part of the smoke exhaust pipe connector, the first blocking part is movably connected with the first stacking part, the second blocking part is movably connected with the third stacking part, the third blocking part is movably connected with the fourth stacking part, and the fourth blocking part is movably connected with the second stacking part; the length of the first connecting part is smaller than that of the second connecting part, the length of the first connecting part is smaller than that of the fourth connecting part, the length of the second connecting part is smaller than that of the third connecting part, and the length of the fourth connecting part is smaller than that of the third connecting part.

The gas collecting hood for the gas water heater is characterized in that the second blocking component is provided with a second fixing groove for separating the upper end of the second blocking component, the third blocking component is provided with a third fixing groove for separating the upper end of the third blocking component, and the fourth blocking component is provided with a fourth fixing groove for separating the upper end of the fourth blocking component.

The gas collecting hood for the gas water heater is characterized in that the first fixing groove does not penetrate through the surface of the smoke exhaust pipe interface body, the second fixing groove does not penetrate through the surface of the smoke exhaust pipe interface body, the third fixing groove does not penetrate through the surface of the smoke exhaust pipe interface body, and the fourth fixing groove does not penetrate through the surface of the smoke exhaust pipe interface body.

The gas collecting hood for the gas water heater comprises a gas collecting hood body, a smoke exhaust pipe connector and a wind shielding valve plate; the method is characterized in that: also has first to fourth connecting parts; the inner wall of the smoke exhaust pipe interface is provided with four blocking parts with through fixing holes; the wind shielding valve plate consists of a valve plate body and four superposed parts protruding out of the lower surface of the valve plate body, and the superposed parts are provided with laterally through hanging holes; when the smoke exhaust pipe is in an assembled state, the smoke exhaust pipe connector is of a cylindrical structure with a closed side surface, the air valve plate is positioned in the smoke exhaust pipe connector, and the connecting part is movably connected with the corresponding blocking part and the stacking part; the first connecting member has a length smaller than the second and fourth connecting members, and the second and fourth connecting members have a length smaller than the third connecting member.

The utility model has the following main beneficial technical effects: simple structure, few parts, low cost and easy local replacement.

Drawings

Fig. 1 is a schematic perspective view of a prior art.

Fig. 2 is a schematic perspective view of embodiment 1 including a portion of the hood body, the smoke exhaust pipe interface, and the wind shielding valve plate.

Fig. 3 is a schematic perspective view of the smoke exhaust pipe joint in embodiment 1 before molding.

Fig. 4 is an enlarged schematic top view of fig. 3.

Fig. 5 is a schematic perspective view of the smoke exhaust pipe joint in embodiment 2 before molding.

Fig. 6 is a schematic perspective view of the smoke exhaust pipe joint in embodiment 3 before molding.

Fig. 7 is an enlarged left-hand structural schematic view of fig. 6.

Fig. 8 is a schematic structural diagram of an example of the smoke exhaust pipe joint and the wind shielding valve plate of embodiment 2 before molding.

In the figure: 1-gas collecting channel body, 2-exhaust pipe interface, 3-weather block, 21-first blocking member, 22-second blocking member, 23-third blocking member, 24-fourth blocking member, 211-first fixing hole, 221-second fixing hole, 231-third fixing hole, 241-fourth fixing hole, 212-first fixing groove, 222-second fixing groove, 232-third fixing groove, 242-fourth fixing groove, 31-first stacking member, 32-second stacking member, 33-third stacking member, 34-fourth stacking member, 311-first hanging hole, 321-second hanging hole, 331-third hanging hole, 341-fourth hanging hole.

Detailed Description

Example 1

Referring to fig. 2 to 4, in combination with fig. 8, a gas collecting hood for a gas water heater is provided with a gas collecting hood body 1, a smoke exhaust pipe connector 2 fixedly installed on the gas collecting hood body, and a wind shielding valve plate 3 installed inside the smoke exhaust pipe connector; the method is characterized in that: the device also comprises a first connecting component, a second connecting component, a third connecting component and a fourth connecting component; the inner wall of the smoke exhaust pipe interface 2 is provided with a first blocking part 21, a second blocking part 22, a third blocking part 23 and a fourth blocking part 24, the first blocking part 21 is provided with a first fixing hole 211 penetrating through the first blocking part, the first blocking part 21 is provided with a first fixing groove 212 separating the upper ends of the first blocking part, the second blocking part 22 is provided with a second fixing hole 221 penetrating through the second blocking part, the third blocking part 23 is provided with a third fixing hole 231 penetrating through the third blocking part, and the fourth blocking part 24 is provided with a fourth fixing hole 241 penetrating through the fourth blocking part;

the wind shielding valve plate 3 is composed of a valve plate body, a first stacking member 31 protruding from the lower surface of the valve plate body, a second stacking member 32, a third stacking member 33 and a fourth stacking member 34, wherein the first stacking member 31 is provided with a first hanging hole 311 which laterally penetrates through the first stacking member, the second stacking member 32 is provided with a second hanging hole 321 which laterally penetrates through the second stacking member, the third stacking member 33 is provided with a third hanging hole 331 which laterally penetrates through the third stacking member, and the fourth stacking member 34 is provided with a fourth hanging hole 341 which laterally penetrates through the fourth stacking member;

when in an assembled state, the smoke exhaust pipe connector 2 is of a cylindrical structure with a closed side surface, the air valve plate 3 is arranged in the smoke exhaust pipe connector 2 from the upper side of the smoke exhaust pipe connector 2, the first blocking part 21 and the first stacking part 31 are movably connected together by the first connecting part, the second blocking part 22 and the third stacking part 33 are movably connected together by the second connecting part, the third blocking part 23 and the fourth stacking part 34 are movably connected together by the third connecting part, and the fourth blocking part 24 and the second stacking part 32 are movably connected together by the fourth connecting part; the length of the first connecting part is smaller than that of the second connecting part, the length of the first connecting part is smaller than that of the fourth connecting part, the length of the second connecting part is smaller than that of the third connecting part, and the length of the fourth connecting part is smaller than that of the third connecting part.

The gas collecting hood for the gas water heater is characterized in that: the first connecting part is a pin shaft, namely the first blocking part 21 and the first stacking part 31 are movably connected through the pin shaft, and the air valve plate 3 can rotate up and down around the first connecting part at the smoke exhaust pipe interface 2.

The gas collecting hood for the gas water heater is characterized in that: the first connecting part is a first spring, one end of the first spring is hung in the first hanging hole 311, the other end of the first spring is hung in the first fixing hole 211, namely the first blocking part 21 is movably connected with the first stacking part 31 through the first connecting part, and the air valve plate 3 can rotate up and down around the first connecting part at the smoke exhaust pipe interface 2; of course, the first spring may also be other elastic members that can perform the corresponding function.

The gas collecting hood for the gas water heater is characterized in that: the first connecting part is a soft first rope, one end of the first rope is hung in the first hanging hole 311, the other end of the first rope is hung in the first fixing hole 211, namely the first blocking part 21 and the first stacking part 31 are movably connected through the first connecting part, and the air valve plate 3 can rotate up and down around the first connecting part at the smoke exhaust pipe interface 2; of course, the first rope may be other elastic components that can perform corresponding functions, for example, two ends of the first rope are respectively tied with hooks.

The second connecting member may be a second spring and a second string similar to the first spring and the first string, and the second connecting member may be connected to the first connecting member in a similar manner, but movably connects the second blocking member 22 and the third stacking member 33.

The third connecting member may be a third spring similar to the first spring and the first string, or a third string similar to the first connecting member, but the third connecting member is used to movably connect the third blocking member 23 with the fourth stacking member 34.

The fourth connecting member may be a fourth spring, a fourth cord, similar to the first spring, the first cord, or the fourth cord, and the fourth connecting member may be connected in a similar manner to the first connecting member, except that the fourth connecting member movably connects the fourth blocking member 24 with the second stacking member 32.

The principle of this embodiment is as follows: when the gas water heater does not work, the wind shielding valve plate 3 pavilion is arranged on the second blocking part 22, the third blocking part 23 and the fourth blocking part 24 and blocks the inner cavity of the smoke exhaust pipe; when the gas water heater works, gas rushes out from the gas collecting cover body 1 and flows to the lower end of the smoke exhaust pipe interface 2, when the gas flow reaches a certain degree, the gas flows to the wind valve plate 3, and as the third connecting part is longest and the first connecting part is shortest, and the wind valve plate 3 can rotate up and down around the first connecting part, the wind valve plate 3 at the fourth stacking part 34 is lifted and forms a larger gap with the smoke exhaust pipe interface 2, and the gas flow rushes out from the gap, so that the exhaust is realized; when the air flow is not large enough, the wind shielding valve plate 3 at the fourth stacking part 34 descends until the wind shielding valve plate stops on the second blocking part 22, the third blocking part 23 and the fourth blocking part 24, so that the inner cavity of the smoke exhaust pipe is closed. The second connecting part and the fourth connecting part are preferably as long, so that the wind shielding valve plate 3 is not excessively inclined to the side and is symmetrical to the two sides, and the wind shielding valve plate 3 can realize corresponding functions even if the wind shielding valve plate is not as long, and the diameter of the wind shielding valve plate 3 is smaller than the inner diameter of the smoke exhaust pipe connector 2. In the application, the body of the smoke exhaust pipe interface 2 can be steel sheets, aluminum sheets, iron sheets or alloy sheets and the like, can also be other heat-resistant and corrosion-resistant materials, can form a cylindrical shape during manufacturing, can be welded at a joint, can be sewn, and the like, and can also be cut off after being formed by a connecting device.

In this embodiment, the first fixing groove 212 penetrates through the surface of the smoke exhaust pipe interface body; of course, the surface of the smoke exhaust pipe interface body can be not penetrated.

Example 2 of the embodiment

Please refer to fig. 5 and 8, and refer to fig. 2 to 4, a gas collecting hood for a gas water heater is basically the same as embodiment 1, except that: the second blocking member 22 has a second fixing groove 222 separating an upper end of the second blocking member, the third blocking member 23 has a third fixing groove 232 separating an upper end of the third blocking member, and the fourth blocking member 24 has a fourth fixing groove 242 separating an upper end of the fourth blocking member. The benefits of this embodiment are: there is no need to distinguish between the first blocking member and the fourth blocking member, which are identical, so that any one of the first blocking member to the fourth blocking member is selected as the first blocking member of embodiment example 1, and the assembly is more flexible and convenient.

Example 3

Please refer to fig. 6 and 7, and refer to fig. 2 to 5 and 8, a gas collecting hood for a gas water heater is basically the same as embodiment 2, except that: the first fixing groove 212 does not penetrate to the surface of the smoke exhaust pipe interface body, the second fixing groove 222 does not penetrate to the surface of the smoke exhaust pipe interface body, the third fixing groove 232 does not penetrate to the surface of the smoke exhaust pipe interface body, and the fourth fixing groove 242 does not penetrate to the surface of the smoke exhaust pipe interface body. This embodiment results in less wear of the rotary friction on the fume pipe interface body and longer life of the fume pipe interface, the damper plate 3.

In the present application, the first blocking member 21, the second blocking member 22, the third blocking member 23, and the fourth blocking member 24 are symmetrically distributed in the circumferential direction of the inner wall of the smoke exhaust pipe joint 2.

In the present application, the first blocking member 21, the second blocking member 22, the third blocking member 23, and the fourth blocking member 24 are at the same level as the inner wall of the smoke exhaust pipe interface 2.

In the present application, the first stacked member 31, the second stacked member 32, the third stacked member 33, and the fourth stacked member 34 are symmetrically distributed in the circumferential direction of the lower surface of the weather vane 3.

In this application, the first stack 31, the second stack 32, the third stack 33, and the fourth stack 34 are equal in height.

In this application, the wind shielding valve plate 3 may be of an integral structure, or the first stacking member 31, the second stacking member 32, the third stacking member 33, and the fourth stacking member 34 may be fixed to the lower surface of the wind shielding valve plate 3.

In this application, the material of the wind shielding valve sheet 3 is plastic or metal.

In this application, the first stacking member 31, the second stacking member 32, the third stacking member 33, and the fourth stacking member 34 may rotate on the windshield plate 3 with their own axes as central axes, and the axes of the first stacking member 31, the second stacking member 32, the third stacking member 33, and the fourth stacking member 34 are all parallel to the axis of the windshield plate 3.

Compared with the prior art, the valve plate support, the pin shaft and the like can be omitted; moreover, the first blocking part 21, the second blocking part 22, the third blocking part 23 and the fourth blocking part 24 can be screwed on the inner wall of the smoke exhaust pipe interface 2 through screws, and the first stacking part 31, the second stacking part 32, the third stacking part 33 and the fourth stacking part 34 can be screwed on the lower surface of the wind shielding valve plate 3 through screws; therefore, the structure is simple, the components are few, the assembly is convenient, the replacement is easy, the replacement is only needed partially when the part is damaged, no professional technician is needed, the cost is low, and the parts can be manufactured.

The utility model has the following main beneficial technical effects: simple structure, few parts, low cost and easy local replacement.

The above-described embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model. The protection scope of the present utility model is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims (10)

1. A gas collecting hood for a gas water heater is provided with a gas collecting hood body (1), a smoke exhaust pipe connector (2) fixedly arranged on the gas collecting hood body, and a wind shielding valve plate (3) arranged in the smoke exhaust pipe connector; the method is characterized in that: the device also comprises a first connecting component, a second connecting component, a third connecting component and a fourth connecting component; the inner wall of the smoke exhaust pipe interface (2) is provided with a first blocking part (21), a second blocking part (22), a third blocking part (23) and a fourth blocking part (24), the first blocking part (21) is provided with a first fixing hole (211) penetrating through the first blocking part, the first blocking part (21) is provided with a first fixing groove (212) separating the upper ends of the first blocking part, the second blocking part (22) is provided with a second fixing hole (221) penetrating through the second blocking part, the third blocking part (23) is provided with a third fixing hole (231) penetrating through the third blocking part, and the fourth blocking part (24) is provided with a fourth fixing hole (241) penetrating through the fourth blocking part;

the wind shielding valve plate (3) is composed of a valve plate body, a first stacking component (31) protruding out of the lower surface of the valve plate body, a second stacking component (32), a third stacking component (33) and a fourth stacking component (34), wherein the first stacking component (31) is provided with a first hanging hole (311) which laterally penetrates through the first stacking component, the second stacking component (32) is provided with a second hanging hole (321) which laterally penetrates through the second stacking component, the third stacking component (33) is provided with a third hanging hole (331) which laterally penetrates through the third stacking component, and the fourth stacking component (34) is provided with a fourth hanging hole (341) which laterally penetrates through the fourth stacking component;

when the smoke exhaust pipe connector (2) is in an assembled state, the smoke exhaust pipe connector (2) is of a cylindrical structure with a closed side surface, the air valve plate (3) is arranged in the smoke exhaust pipe connector (2) from the upper part of the smoke exhaust pipe connector (2), the first blocking part (21) and the first stacking part (31) are movably connected together by the first connecting part, the second blocking part (22) and the third stacking part (33) are movably connected together by the second connecting part, the third blocking part (23) and the fourth stacking part (34) are movably connected together by the third connecting part, and the fourth blocking part (24) and the second stacking part (32) are movably connected together by the fourth connecting part; the length of the first connecting part is smaller than that of the second connecting part, the length of the first connecting part is smaller than that of the fourth connecting part, the length of the second connecting part is smaller than that of the third connecting part, and the length of the fourth connecting part is smaller than that of the third connecting part.

2. A gas collecting hood for a gas water heater as claimed in claim 1, wherein: the first connecting part is a pin shaft, the first blocking part (21) and the first stacking part (31) are movably connected through the pin shaft, and the air valve plate (3) can rotate up and down around the first connecting part at the smoke exhaust pipe interface (2).

3. A gas collecting hood for a gas water heater as claimed in claim 1, wherein: the first connecting part is a first spring, one end of the first spring is hung in the first hanging hole (311), the other end of the first spring is hung in the first fixing hole (211), the first blocking part (21) and the first stacking part (31) are movably connected through the first connecting part, and the air valve plate (3) can rotate up and down around the first connecting part at the smoke exhaust pipe interface (2).

4. A gas collecting hood for a gas water heater as claimed in claim 1, wherein: the first connecting part is a first rope, one end of the first rope is hung in the first hanging hole (311), and the other end of the first rope is hung in the first fixing hole (211).

5. A gas collecting hood for a gas water heater according to claim 2 or claim 3 or claim 4, wherein: the second connecting part is a second rope, one end of the second rope is hung in the third hanging hole (331), and the other end of the second rope is hung in the second fixing hole (221).

6. A gas collecting hood for a gas water heater according to claim 2 or claim 3 or claim 4, wherein: the third connecting part is a third rope, one end of the third rope is hung in the fourth hanging hole (341), and the other end of the third rope is hung in the third fixing hole (231).

7. A gas collecting hood for a gas water heater according to claim 2 or claim 3 or claim 4, wherein: the fourth connecting part is a fourth rope, one end of the fourth rope is hung in the second hanging hole (321), and the other end of the fourth rope is hung in the fourth fixing hole (241).

8. A gas collecting hood for a gas water heater according to claim 1 or claim 2 or claim 3 or claim 4, characterized in that the first fixing groove (212) is penetrating to the surface of the smoke exhaust pipe interface body.

9. A gas collecting hood for a gas water heater according to claim 1 or claim 2 or claim 3 or claim 4, wherein the second blocking member (22) has a second fixing groove (222) separating an upper end of the second blocking member, the third blocking member (23) has a third fixing groove (232) separating an upper end of the third blocking member, and the fourth blocking member (24) has a fourth fixing groove (242) separating an upper end of the fourth blocking member.

10. A gas collecting hood for a gas water heater according to claim 1 or claim 2 or claim 3 or claim 4, wherein the first fixing groove (212) is not penetrating to the surface of the smoke exhaust pipe interface body, the second fixing groove (222) is not penetrating to the surface of the smoke exhaust pipe interface body, the third fixing groove (232) is not penetrating to the surface of the smoke exhaust pipe interface body, and the fourth fixing groove (242) is not penetrating to the surface of the smoke exhaust pipe interface body.

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