CN213809413U - A gas heater that is used for gas heater's ventilation pipe coupling assembling and has it - Google Patents
A gas heater that is used for gas heater's ventilation pipe coupling assembling and has it Download PDFInfo
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- CN213809413U CN213809413U CN202021831837.8U CN202021831837U CN213809413U CN 213809413 U CN213809413 U CN 213809413U CN 202021831837 U CN202021831837 U CN 202021831837U CN 213809413 U CN213809413 U CN 213809413U
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Abstract
The utility model discloses a gas heater that is used for gas heater's ventilation pipe coupling assembling and has it, ventilation pipe coupling assembling includes: the sealing element is provided with a first sealing part and a second sealing part which are spaced from each other along the radial direction, and the first sealing part and the second sealing part cover the inner side wall surface and the outer side wall surface of the insertion pipe section respectively. According to the utility model discloses a ventilation pipe coupling assembling for gas heater both can make the first pipe connection portion better with the connection leakproofness of outside pipeline, can also make ventilation pipe coupling assembling can connect the outside pipeline in different apertures.
Description
Technical Field
The utility model belongs to the technical field of the water heater technique and specifically relates to a gas heater who is used for gas heater's ventilation pipe coupling assembling and has it.
Background
In the related art, it is pointed out that when the air inlet and the exhaust port of the gas water heater are connected with an external ventilation pipe, the problems of poor sealing performance, easy smoke leakage and easy air inlet exist, and usually a locking ring is required to be arranged on a smoke pipe base to ensure that the ventilation pipe is firmly installed, so that when the installation and the disassembly are caused, screws are required to be screwed, the locking ring is installed or disassembled, the operation is complex, and in addition, in the face of different consumer markets, the external ventilation pipe has the problem of different apertures, so that the smoke pipe base capable of being connected with the ventilation pipes with different apertures is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a ventilation pipe coupling assembling for gas heater, ventilation pipe coupling assembling can connect the outside pipeline in different apertures, has better leakproofness simultaneously.
The utility model discloses still provide a gas heater who has above-mentioned ventilation pipe coupling assembling.
According to the utility model discloses a ventilation pipe coupling assembling for gas heater of first aspect, include: the air duct with two open ends is formed in the base, a first pipeline connecting part and a second pipeline connecting part which are suitable for being connected with an external pipeline are respectively formed at the two ends of the base in the extending direction of the air duct, the first pipeline connecting part comprises an insertion pipe section, and the insertion pipe section extends along the axial direction of the air duct and deviates from the base; the sealing element is arranged at the free end of the plug pipe section and is provided with a first sealing part and a second sealing part which are spaced from each other in the radial direction, and the first sealing part and the second sealing part respectively cover the inner side wall surface and the outer side wall surface of the plug pipe section.
According to the utility model discloses a ventilation pipe coupling assembling for gas heater, through setting up the sealing member, the external diameter when outside pipeline is less than the internal diameter of first pipe connection portion or when the internal diameter of outside pipeline is greater than the external diameter of first pipe connection portion, outside pipeline all can be pegged graft with first pipe connection portion, thus, both can make the sealing nature of being connected of first pipe connection portion and outside pipeline better, the wall thickness of the first sealing that can also design the sealing member according to actual conditions and second sealing is poor in order to satisfy the aperture between first pipe connection portion and the outside pipeline, thereby make ventilation pipe coupling assembling can connect the outside pipeline in different apertures. According to some embodiments of the invention, the first sealing portion and the second sealing portion are connected and all are in an annular shape extending around the axis of the plug pipe section, a groove is defined inside the first sealing portion and the second sealing portion, and the free end of the plug pipe section is inserted into the groove.
According to some embodiments of the invention, the first sealing portion is located radially inward of the second sealing portion, an inner surface of the first sealing portion being formed with a first sealing flange projecting radially inward; the outer surface of the second sealing portion is formed with a second sealing flange that protrudes radially outward.
Further, the first sealing flange is annular and extends along the circumferential direction of the sealing element, the first sealing flange comprises a plurality of first sealing flanges, and the first sealing flanges are arranged at intervals along the axial direction of the sealing element; the second sealing flange is annular and extends along the circumferential direction of the sealing element, and comprises a plurality of second sealing flanges which are arranged at intervals along the axial direction of the sealing element.
According to the utility model discloses a some embodiments, first pipeline connecting portion still includes follows the outer socket pipe section of the radial outside interval arrangement of socket pipe section, inject the slot that is suitable for outside pipeline to peg graft between socket pipe section and the outer socket pipe section.
According to some embodiments of the utility model, the first pipeline connecting portion include along radially inside and outside interval arrangement a plurality of the socket pipe section, at least one be provided with the sealing member on the socket pipe section, adjacent two inject the slot that is suitable for outside pipeline to peg graft between the socket pipe section.
According to some embodiments of the utility model, the second pipe connection portion forms to follow the axial direction in wind channel deviates from the connecting pipe section that the base extends, be formed with on the outer wall of connecting pipe section along the circumference of connecting pipe section extends annular mounting groove, ventilation pipe coupling assembling still includes: and the sealing ring is arranged in the mounting groove.
According to some embodiments of the invention, the air duct has a shoulder formed on an inner peripheral wall thereof, the shoulder being adapted to abut an external pipe inserted into the air duct from a free end of the plug-in pipe section.
In some embodiments, the base has a pressure measuring port formed thereon that communicates with the air duct, and the vent-tube connection assembly further includes: the plug is detachably arranged at the pressure measuring port and used for plugging the pressure measuring port.
According to the utility model discloses gas heater of second aspect includes: the water heater comprises a water heater body, a water inlet and a water outlet, wherein the water heater body is provided with an air inlet and a smoke outlet; the air inlet pipe is connected with the air inlet, and the smoke outlet is connected with the smoke exhaust pipe; according to the utility model discloses a ventilation pipe coupling assembling for gas heater of first aspect, ventilation pipe coupling assembling connects the air-supply line with between the air intake and/or the exhaust port with between the pipe of discharging fume.
According to the utility model discloses a gas water heater connects gas water heater's air intake and air-supply line through ventilation pipe coupling assembling to and connect gas water heater's exhaust port and the pipe of discharging fume through ventilation pipe coupling assembling, can have better leakproofness, simultaneously, gas water heater can connect the air-supply line in different apertures and the pipe of discharging fume according to actual need.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic view of a gas water heater according to an embodiment of a second aspect of the present invention;
figure 2 is a schematic view of a base of a vent tube connection assembly according to an embodiment of the first aspect of the invention;
FIG. 3 is a cross-sectional view of the base shown in FIG. 2;
FIG. 4 is a top view of the base shown in FIG. 2;
figure 5 is a schematic view of a seal of the vent tube connection assembly of figure 2 according to an embodiment of the first aspect of the invention;
FIG. 6 is a cross-sectional view of the seal shown in FIG. 5;
figure 7 is a schematic view of an embodiment of a vent tube connection assembly according to an embodiment of the first aspect of the present invention;
FIG. 8 is a cross-sectional view of the air pipe connection assembly shown in FIG. 7;
figure 9 is a schematic view of another embodiment of a vent tube connection assembly in accordance with an embodiment of the first aspect of the present invention;
FIG. 10 is a cross-sectional view of the air pipe connection assembly shown in FIG. 9.
Reference numerals:
vent-tube connection assembly 100:
the air duct comprises a base 1, an air duct 11, a first pipeline connecting part 12, an inserting pipe section 121, a slot 122, a second pipeline connecting part 13, a mounting groove 131, a sealing ring 132, a shoulder 14, a pressure measuring port 15, a plug 16 and a clamping groove 17,
the sealing element 2, the first sealing part 21, the first sealing flange 211, the second sealing part 22, the second sealing flange 221, the groove 23, the gas water heater 200, the air inlet pipe 201 and the smoke exhaust pipe 202.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
An air pipe connection assembly 100 for a gas water heater 200 according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 to 10.
According to the utility model discloses a ventilation pipe coupling assembling 100 for gas heater 200 of first aspect includes: a base 1 and a seal 2.
Specifically, an air duct 11 with two open ends is formed in the base 1, in an extending direction of the air duct 11, a first pipeline connecting portion 12 and a second pipeline connecting portion 13 are respectively formed at two ends of the base 1, both the first pipeline connecting portion 12 and the second pipeline connecting portion 13 are suitable for being connected with an external pipeline (for example, an air inlet pipe 201 and a smoke exhaust pipe 202 described below), the first pipeline connecting portion may include a plug pipe section 121, and the plug pipe section 121 may extend away from the base 1 along an axial direction of the air duct 11, so that the plug pipe section 121 may be plugged with the external pipeline.
The sealing element 2 is arranged at the free end of the insertion pipe section 121, the sealing element 2 is provided with a first sealing portion 21 and a second sealing portion 22, the first sealing portion 21 and the second sealing portion 22 are spaced from each other in the radial direction, and the first sealing portion 21 and the second sealing portion 22 respectively cover the inner side wall surface and the outer side wall surface of the insertion pipe section 121, so that the sealing performance between an external pipeline and the insertion pipe section 121 is better.
According to the utility model discloses a ventilation pipe coupling assembling 100 for gas heater 200, through setting up sealing member 2, be less than the internal diameter of first pipe connection portion 12 when the external diameter of outside pipeline or when the internal diameter of outside pipeline is greater than the external diameter of first pipe connection portion 12, outside pipeline all can peg graft with first pipe connection portion 12, thus, both can make the sealing nature of being connected of first pipe connection portion 12 and outside pipeline better, can also design the wall thickness of first sealing 21 and the second sealing 22 of sealing member 2 according to actual conditions in order to satisfy the aperture difference between first pipe connection portion 12 and the outside pipeline, thereby make ventilation pipe coupling assembling 100 can connect the outside pipeline in different apertures.
According to some embodiments of the utility model, first sealing 21 and second sealing 22 link to each other along radial direction inside and outside, first sealing 21 and second sealing 22 all are the annular that extends around the axis of grafting pipe section 121, recess 23 is injectd to first sealing 21 and second sealing 22 inboard, the free end of grafting pipe section 121 inserts in the recess 23, can make sealing member 2 and grafting pipe section 121 be connected more stably like this, and simultaneously, after external pipeline and grafting pipe section 121 pegged graft, sealing member 2 can receive the extrusion of external pipeline and grafting pipe section 121, thereby it is more firm, further promote the leakproofness.
According to some embodiments of the present invention, the first sealing portion 21 is located radially inward of the second sealing portion 22, an inner surface of the first sealing portion 21 is formed with a first sealing flange 211, the first sealing flange 211 being radially inwardly convex; the outer surface of the second sealing portion 22 is formed with a second sealing flange 221, and the second sealing flange 221 protrudes outward in the radial direction, so that, after the ventilation pipe connection assembly 100 is connected with an external pipeline, if the outer diameter of the external pipeline is smaller than the inner diameter of the first pipe connection portion 12, the first sealing portion 21 can be sealingly disposed between the inner wall of the first pipe connection portion 12 and the outer wall of the external pipeline, and if the inner diameter of the external pipeline is larger than the outer diameter of the first pipe connection portion 12, the second sealing portion 22 can be sealingly disposed between the outer wall of the first pipe connection portion 12 and the inner wall of the external pipeline, and meanwhile, the first sealing flange 211 or the second sealing flange 221 can make the connection more airtight.
Further, the first seal flange 211 is in the shape of a ring extending in the circumferential direction of the seal 2, the first seal flange 211 includes a plurality of first seal flanges 211, the plurality of first seal flanges 211 are arranged at intervals in the axial direction of the seal 2, the second seal flange 221 is in the shape of a ring extending in the circumferential direction of the seal 2, the second seal flange 221 includes a plurality of second seal flanges 221, and the plurality of second seal flanges 221 are arranged at intervals in the axial direction of the seal 2, whereby the sealing performance of the seal 2 can be further enhanced.
In some embodiments, the first sealing flange 211 and the second sealing flange 221 extend obliquely in a radially inward direction of the sealing element 2 toward the second pipe connection 13, so that when the external pipe is plugged into the first pipe connection 12, the first sealing flange 211 and the second sealing flange 221 can both play a role of guiding, which can facilitate the plugging of the first pipe connection 12 into the external pipe, and at the same time, the external pipe is taken out of the first pipe connection 12 with more effort, thus making the connection of the external pipe to the first pipe connection 12 more stable.
Further, in the radial inward direction of the sealing element 2, the cross-sectional area of the first sealing flange 211 and the cross-sectional area of the second sealing flange 221 are both gradually reduced, so that the first sealing flange 211 or the second sealing flange 221 can play a role in guiding when the first pipeline connecting part 12 is connected with an external pipeline, so that the first pipeline connecting part 12 can be conveniently plugged with the external pipeline, and meanwhile, the external pipeline is more labor-consuming when the external pipeline is pulled away from the first pipeline connecting part 12, so that the connection between the external pipeline and the first pipeline connecting part 12 is more stable, and in addition, the elastic deformation capacity of the first sealing flange 211 and the second sealing flange 221 can be better, and better sealing performance can be achieved.
In some embodiments, the first pipe connection 12 further comprises; the external plug pipe section is arranged on the radial outer side of the plug pipe section 121 at intervals, a slot 122 is defined between the plug pipe section 121 and the external plug pipe section, the slot 122 is suitable for being plugged with an external pipeline, after the external pipeline is plugged with the plug pipe section 121, the external plug pipe section can play a role in supporting and limiting the external pipeline because the external plug pipe section is positioned on the opposite outer side of the external pipeline, furthermore, a clamp can be arranged on the external plug pipe section to fasten the external pipeline, and a sealing element does not need to be arranged on the external plug pipe section.
In other embodiments, the first pipe connecting portion 12 may further include a plurality of plug pipe segments 121, the plurality of plug pipe segments 121 are arranged at intervals radially inward and outward, at least one plug pipe segment 121 is provided with a sealing element 2, that is, all plug pipe segments 121 are provided with a sealing element 2, or only the plug pipe segment 121 connected to an external pipeline is provided with a sealing element 2, preferably, the plurality of plug pipe segments 121 are provided with a sealing element 2, the plug pipe segment 121 extends away from the base 1 along the axial direction of the air duct 11, the sealing element 2 includes a plurality of plug pipe segments 121 in one-to-one correspondence, a slot 122 suitable for plugging of the external pipeline is defined between two adjacent plug pipe segments 121, a free end of the external pipeline can be plugged into the slot 122 to achieve connection with the ventilation pipe connecting assembly 100, and meanwhile, the plurality of slots 122 are arranged at intervals radially inward and outward, make the performance that ventilation pipe coupling assembling 100 of this embodiment has the outside pipeline of a plurality of different apertures of adaptation to satisfy wider pipe connection demand, can make outside pipeline and plug pipe section 121's connection more firm reliable simultaneously.
According to some embodiments of the utility model, second pipe connection portion 13 deviates from base 1 along the axial direction of wind channel 11 and extends to form to connect the pipeline section, is formed with mounting groove 131 on the outer wall of connection pipeline section, and mounting groove 131 extends along the circumference of connecting the pipeline section and forms to the annular, and ventilation pipe coupling assembling 100 still includes: and a packing 132, the packing 132 being disposed in the mounting groove 131, whereby the packing 132 can improve the sealing performance of the connection between the second pipe connection part 13 and the external pipe.
According to the utility model discloses a some embodiments are formed with convex shoulder 14 on the internal perisporium of wind channel 11, and convex shoulder 14 is suitable for with the outside pipeline butt that inserts in wind channel 11 from the free end of grafting pipe section 121, like this, can play limiting displacement to outside pipeline, prevents that outside pipeline and the connecting portion of grafting pipe section 121 are stable.
In some embodiments, the base 1 is formed with a pressure measuring port 15, the pressure measuring port 15 is communicated with the air duct 11, and the air duct connecting assembly 100 further includes: the plug 16 and the plug 16 are detachably arranged at the pressure measuring port 15, the plug 16 can be used for plugging the pressure measuring port 15, the pressure measuring port 15 can be used for measuring the air pressure in the air duct 11, and parameters such as the concentration of CO, oxygen or other gases in the air duct 11 can also be tested.
A gas water heater 200 according to a second aspect of the present invention is described below.
According to the utility model discloses gas water heater 200 of second aspect includes: water heater body, air-supply line 201, discharge fume pipe 202 and according to the utility model discloses a ventilation pipe coupling assembling 100 for gas heater 200 of first aspect.
Specifically, the water heater body is provided with an air inlet and a smoke outlet, the air inlet pipe 201 is connected with the air inlet, the smoke outlet is connected with the smoke exhaust pipe 202, and the ventilation pipe connecting assembly 100 can be connected between the air inlet pipe 201 and the smoke outlet or between the ventilation pipe 202 and the smoke exhaust pipe.
According to the utility model discloses a gas heater 200 connects gas heater 200's air intake and air-supply line 201 through ventilation pipe coupling assembling 100 to and connect gas heater 200's exhaust port and the pipe 202 of discharging fume through ventilation pipe coupling assembling 100, can have better leakproofness, simultaneously, gas heater 200 can connect the air-supply line 201 and the pipe 202 of discharging fume in different apertures according to actual need.
Further, the periphery of the base 1 is also provided with a plurality of clamping grooves 17, the clamping grooves 17 can be formed by inward recess of the outer surface of the base 1, the clamping grooves 17 are arranged in the axial direction of the base 1 at intervals, and correspondingly, clamping columns (not shown) matched with the clamping grooves 17 one by one can be formed on the periphery of the air inlet and the periphery of the air outlet of the gas water heater 200, so that the clamping grooves 17 can be clamped with the clamping grooves 17, and the connection between the ventilation pipe connecting assembly 100 and the air inlet or the smoke outlet is more stable.
A specific embodiment of an air pipe connection assembly 100 for a gas water heater 200 according to the first aspect of the present invention is described below.
In the first embodiment, the first step is,
according to the utility model discloses a ventilation pipe coupling assembling 100 for gas heater 200, include: a base 1 and a seal 2.
Wherein, an air duct 11 is formed in the base 1, in the extending direction of the air duct 11, an inserting pipe section 121 extending away from the base 1 along the axial direction of the air duct 11 is formed at one end of the base 1, a connecting pipe section is formed at the other end of the base 1, the connecting pipe section extends away from the base 1 along the axial direction of the air duct 11, an annular mounting groove 131 is formed on the outer wall of the connecting pipe section, a sealing ring 132 is arranged in the mounting groove 131, and after the connecting pipe section is connected with an air inlet or a smoke outlet of the gas water heater 200, the sealing ring 132 can be used for sealing the air inlet or the smoke outlet; be formed with pressure measurement mouth 15 on the base 1, pressure measurement mouth 15 and wind channel 11 intercommunication, ventilation pipe coupling assembling 100 still includes: the plug 16 and the plug 16 are detachably arranged at the pressure measuring port 15, the plug 16 can be used for plugging the pressure measuring port 15, the pressure measuring port 15 can be used for measuring the air pressure in the air duct 11, and parameters such as the concentration of CO, oxygen or other gases in the air duct 11 can also be tested.
The sealing element 2 is provided with a first sealing part 21 and a second sealing part 22 which are arranged at intervals in the radial direction, wherein the first sealing part 21 is positioned at the opposite inner side of the second sealing part 22, the inner sides of the first sealing part 21 and the second sealing part 22 define a groove 23, the free end of the insertion pipe section 121 is inserted into the groove 23, the inner surface of the first sealing part 21 is provided with a plurality of first sealing flanges 211 which are arranged at intervals in the axial direction, and the first sealing flanges 211 are protruded inwards in the radial direction; the outer surface of the second sealing portion 22 is formed with a plurality of second sealing flanges 221 arranged at intervals in the axial direction, the second sealing flanges 221 being convex outward in the radial direction.
Since the aperture of the air inlet pipe 201 and the smoke exhaust pipe 202 of the gas water heater 200 is usually 2 inches or 3 inches, when the sealing element 2 is connected to the free end of the plug pipe section 121, the pipe wall of the plug pipe section 121 and the first sealing portion 21 of the sealing element 2 together define an inner diameter of 2 inches, thereby facilitating the insertion of the 2 inches air inlet pipe 201 or smoke exhaust pipe 202 into the aperture of the plug pipe section 121; the outer tube wall of the plug section 121 and the second sealing portion 22 of the sealing member 2 together define an outer diameter of 3 inches, thereby facilitating the 3-inch air inlet pipe 201 or smoke exhaust pipe 202 to be sleeved outside the plug section 121, and thus, the air duct connecting assembly 100 of the present embodiment is suitable for connecting with a 2-inch or 3-inch air duct.
In the second embodiment, the first embodiment of the method,
according to the utility model discloses a ventilation pipe coupling assembling 100 for gas heater 200, include: a base 1 and a seal 2.
The air duct 11 is formed in the base 1, a plurality of plug pipe sections 121 are formed at one end of the base 1 in the extending direction of the air duct 11, the axial directions of the air duct 11 of the plug pipe sections 121 are deviated from the base 1 to extend, the plug pipe sections 121 are arranged at intervals in the radial direction, and two adjacent plug pipe sections 121 jointly define a slot 122, so that a plurality of slots 122 are formed at one end of the base 1 at intervals in the radial direction; the other end of the base 1 is formed with a connecting pipe section, the connecting pipe section extends away from the base 1 along the axial direction of the air duct 11, the outer wall of the connecting pipe section is formed with an annular mounting groove 131, a sealing ring 132 is arranged in the mounting groove 131, and after the connecting pipe section is connected with an air inlet or a smoke outlet of the gas water heater 200, the sealing ring 132 can be used for sealing the air inlet or the smoke outlet; be formed with pressure measurement mouth 15 on the base 1, pressure measurement mouth 15 and wind channel 11 intercommunication, ventilation pipe coupling assembling 100 still includes: the plug 16 and the plug 16 are detachably arranged at the pressure measuring port 15, the plug 16 can be used for plugging the pressure measuring port 15, the pressure measuring port 15 can be used for measuring the air pressure in the air duct 11, and parameters such as the concentration of CO, oxygen or other gases in the air duct 11 can also be tested.
The sealing element 2 is provided with a plurality of plug pipe sections 121 in one-to-one correspondence, the sealing element 2 is provided with a first sealing part 21 and a second sealing part 22 which are arranged at intervals in the radial direction, wherein the first sealing part 21 is positioned at the opposite inner side of the second sealing part 22, the inner sides of the first sealing part 21 and the second sealing part 22 define a groove 23, the free end of each plug pipe section 121 is inserted into the groove 23, the inner surface of the first sealing part 21 is provided with a plurality of first sealing flanges 211 which are arranged at intervals in the axial direction, and the first sealing flanges 211 are protruded inwards in the radial direction; the outer surface of the second sealing portion 22 is formed with a plurality of second sealing flanges 221 arranged at intervals in the axial direction, the second sealing flanges 221 being convex outward in the radial direction.
When the gas water heater 200 needs to have the function of connecting ventilation pipes with different apertures in the face of different market demands, each of the plurality of slots 122 can be configured to be suitable for insertion of a ventilation pipe with a standard size, so that the ventilation pipe connecting assembly 100 of the embodiment can be simultaneously suitable for connection with ventilation pipes with a plurality of sizes, and thus, multiple mold opening in the manufacturing process for enabling different ventilation openings (such as the air inlet and the smoke outlet) to be formed in the body of the gas water heater 200 can be avoided, so that the production efficiency is improved, and the use convenience can also be improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A vent-tube connection assembly for a gas water heater, comprising:
the air duct with two open ends is formed in the base, a first pipeline connecting part and a second pipeline connecting part which are suitable for being connected with an external pipeline are respectively formed at the two ends of the base in the extending direction of the air duct, the first pipeline connecting part comprises an insertion pipe section, and the insertion pipe section extends along the axial direction of the air duct and deviates from the base;
the sealing element is arranged at the free end of the plug pipe section and is provided with a first sealing part and a second sealing part which are spaced from each other in the radial direction, and the first sealing part and the second sealing part respectively cover the inner side wall surface and the outer side wall surface of the plug pipe section.
2. A vent connection assembly for a gas water heater according to claim 1, wherein the first and second sealing portions are connected and each have an annular shape extending around the axis of the plug tube section, the first and second sealing portions defining a groove inside into which a free end of the plug tube section is inserted.
3. A vent connection assembly for a gas water heater according to claim 2, wherein the first seal portion is located radially inwardly of the second seal portion, an inner surface of the first seal portion being formed with a radially inwardly projecting first seal flange; the outer surface of the second sealing portion is formed with a second sealing flange that protrudes radially outward.
4. A vent connection assembly for a gas water heater according to claim 3, wherein the first sealing flange is annular extending circumferentially of the seal, the first sealing flange comprising a plurality of the first sealing flanges being spaced axially of the seal;
the second sealing flange is annular and extends along the circumferential direction of the sealing element, and comprises a plurality of second sealing flanges which are arranged at intervals along the axial direction of the sealing element.
5. The vent connection assembly for a gas water heater according to claim 1, wherein the first conduit connection further includes an outer plug tube segment spaced radially outwardly of the plug tube segment, the plug tube segment and the outer plug tube segment defining a socket therebetween adapted for external piping.
6. A vent tube connection assembly for a gas water heater according to claim 1, wherein the first tube connection portion comprises a plurality of plug tube segments spaced radially inwardly and outwardly, at least one of the plug tube segments having a sealing member disposed thereon, and adjacent plug tube segments defining therebetween a socket adapted for external pipe insertion.
7. The vent connection assembly for a gas water heater according to any one of claims 1-6, wherein the second pipe connection portion is formed as a connection pipe section extending away from the base in an axial direction of the wind tunnel, an outer wall of the connection pipe section having a mounting groove formed thereon and extending annularly in a circumferential direction of the connection pipe section, the vent connection assembly further comprising: and the sealing ring is arranged in the mounting groove.
8. A vent connection assembly for a gas water heater according to claim 4, wherein the inner peripheral wall of the duct has a shoulder formed thereon, the shoulder being adapted to abut an external pipe inserted into the duct from the free end of the plug tube section.
9. The vent-tube connection assembly for a gas water heater according to any one of claims 1-5, wherein the base has a pressure tap formed thereon in communication with the air duct, the vent-tube connection assembly further comprising: the plug is detachably arranged at the pressure measuring port and used for plugging the pressure measuring port.
10. A gas water heater, comprising:
the water heater comprises a water heater body, a water inlet and a water outlet, wherein the water heater body is provided with an air inlet and a smoke outlet;
the air inlet pipe is connected with the air inlet, and the smoke outlet is connected with the smoke exhaust pipe;
a ventilation tube connection assembly for a gas fired water heater according to any one of claims 1 to 9 connected between the air inlet tube and the air inlet and/or between the smoke outlet and the smoke exhaust tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021831837.8U CN213809413U (en) | 2020-08-27 | 2020-08-27 | A gas heater that is used for gas heater's ventilation pipe coupling assembling and has it |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021831837.8U CN213809413U (en) | 2020-08-27 | 2020-08-27 | A gas heater that is used for gas heater's ventilation pipe coupling assembling and has it |
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| CN213809413U true CN213809413U (en) | 2021-07-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355384A (en) * | 2022-10-19 | 2022-11-18 | 南通强发模具制造有限公司 | Connecting device |
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2020
- 2020-08-27 CN CN202021831837.8U patent/CN213809413U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115355384A (en) * | 2022-10-19 | 2022-11-18 | 南通强发模具制造有限公司 | Connecting device |
| CN115355384B (en) * | 2022-10-19 | 2023-01-03 | 南通强发模具制造有限公司 | Connecting device |
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