CN207279660U - Tube assembly of discharging fume and the gas appliance system using the smoke evacuation tube assembly - Google Patents

Abstract

The utility model provides a kind of smoke evacuation tube assembly, it includes at least the first smoke exhaust pipe and the second smoke exhaust pipe that can axially connect.The second pipe portion that first smoke exhaust pipe has the first pipe portion and is partly coated on outside the first pipe portion, wherein the first pipe portion and the second pipe portion can relatively move in the axial direction.Since smoke exhaust pipe has the first pipe portion and the second pipe portion that are axially movable, without cutting smoke exhaust pipe with regard to that can adjust the length of smoke-exhaust pipeline, its is simple in structure and is easily installed.

Description

Tube assembly of discharging fume and the gas appliance system using the smoke evacuation tube assembly

Technical field

The utility model belongs to domestic gas apparatus field, and in particular to a kind of smoke-exhaust pipeline for gas-fired equipment.

Background technology

Household gas burning range includes gas heater, gas fired-boiler, gas kitchen ranges and kitchen ventilator etc..These gas appliances lead to Often with having exhaust fume collecting hood and being connected exhaust fume collecting hood with smoke-exhaust pipeline, the exhaust gas that burning produces when equipment is worked (includes an oxidation Carbon and oxynitrides) collect and be discharged to outdoor.Smoke-exhaust pipeline is usually in series by multiple smoke exhaust pipes, these smoke exhaust pipes are raw Production producer manufactures and needs correctly to be completed in user family according to corresponding specification according to corresponding safety standard. Smoke exhaust pipe is all to be designed by standard and have regular length, during installation, is selected according to the actual conditions of user family appropriate number of Smoke exhaust pipe forms the smoke-exhaust pipeline of appropriate length.However, since the actual installation situation of different user man is multifarious, at present The smoke exhaust pipe of fixed pipe range can also be intercepted usually in actual installation and fine setting is carried out to the overall length of smoke-exhaust pipeline. Smoke exhaust pipe is usually equipped with matching mechanism to be connected with adjacent smoke exhaust pipe in its end, it is clear that its end when smoke exhaust pipe intercepts The matching mechanism in portion also can together be cut out, in this way, the smoke exhaust pipe after interception can not pass through fit structure and adjacent smoke evacuation again Pipe smoothly connection.

Utility model content

The purpose of this utility model is to provide one kind smoke evacuation tube assembly, it is with adjustable smoke-exhaust pipeline length.

The purpose of this utility model, which also resides in, provides a kind of gas appliance system using above-mentioned smoke evacuation tube assembly.

To realize one of above-mentioned purpose of utility model, the utility model provides a kind of smoke evacuation tube assembly, it is included at least can The first smoke exhaust pipe and the second smoke exhaust pipe axially connected.There is first smoke exhaust pipe the first pipe portion and part to be coated on outside the first pipe portion The second pipe portion, wherein the first pipe portion and the second pipe portion can relatively move in the axial direction.

As further improvement of the utility model, the first smoke exhaust pipe, which further includes, to be arranged in the first pipe portion and the second pipe portion The first positioning component, with limit the first pipe portion moved relative to the second pipe portion along specific direction.

As further improvement of the utility model, the first positioning component, which includes being equipped with arranged on the outer wall of the second pipe portion, leads Approaching channel and in the first pipe portion and the first locating piece for radially extending.First locating piece, which has, protrudes out the first pipe portion Outer first is raised, which protrudes into the guide channel of the second pipe portion.

As further improvement of the utility model, the first protrusion has vertical side, can be with the guiding of the second pipe portion The end of groove against and limit further movement of first pipe portion relative to the second pipe portion.

As further improvement of the utility model, the raised line axially extended is convexly equipped with the outer wall of the second pipe portion, on Guide channel is stated to be formed in the raised line.

As further improvement of the utility model, the first locating piece includes the tube body of lengthwise extension and in tube body And in the first spring of compressive state.The longitudinal end of tube body is equipped with perforate, and it is interior and by that the first raised bottom be located at tube body One spring compresses, and the first raised head then protrudes out from the perforate and can enter in the guide channel of the second pipe portion.

As further improvement of the utility model, the region of the first smoke exhaust pipe and the connection of the second smoke exhaust pipe is additionally provided with second Positioning component, it includes the second locating piece for being arranged on the inside of one of the first smoke exhaust pipe and the second smoke exhaust pipe and radially extending. Second locating piece has the second protrusion of the convex outer surface for exposing smoke exhaust pipe.It is another in above-mentioned first smoke exhaust pipe and the second smoke exhaust pipe One at join domain have end and be connected with end and radial dimension more than end protrusion.When the first smoke exhaust pipe and After the completion of the connection of second smoke exhaust pipe, the second of the second locating piece is raised in protrusion.

As further improvement of the utility model, the second raised convex dew part of the second locating piece has arc table Face.

As further improvement of the utility model, the second locating piece includes the tube body of lengthwise extension and in tube body And in the second spring of compressive state.The longitudinal end of tube body closes up equipped with taper.Above-mentioned second raised bottom is located at tube body Interior and compressed by second spring elasticity, the above-mentioned second raised head then protrudes out the taper and closes up and can be into protrusion.

To realize above-mentioned another purpose of utility model, the utility model also provides a kind of gas appliance system.The system bag Include above-mentioned smoke evacuation tube assembly and gas appliance；Wherein gas appliance includes housing, is housed in housing and is used for combustion gas The heat of burner, absorption burner generation with air mixture simultaneously transfers heat to the heat exchange of the current by it Device and the exhaust fume collecting hood for collecting the generated flue gas that burns；The first smoke exhaust pipe or the second smoke exhaust pipe for tube assembly of discharging fume and collection cigarette Cover connection.

Compared with prior art, the beneficial effects of the utility model are：Smoke exhaust pipe has the first pipe portion being axially movable With the second pipe portion, without cutting smoke exhaust pipe with regard to that can adjust the length of smoke-exhaust pipeline, its is simple in structure and is easily installed.

Brief description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, related reality in describing below It is only some embodiments of the utility model with new attached drawing, for those of ordinary skill in the art, is not paying On the premise of creative work, other attached drawings can also be obtained according to these attached drawings.

Fig. 1 is floor map of the gas appliance system of the utility model in an embodiment；

Fig. 2 is that the gas appliance system shown in Fig. 1 removes part smoke exhaust pipe, and gas appliance therein removes front shroud Floor map afterwards；

Fig. 3 is the perspective exploded view of gas appliance and smoke exhaust pipe in gas appliance system shown in Fig. 2；

Fig. 4 is the schematic cross-sectional view that the gas appliance system side shown in Fig. 1 regards；

Fig. 5 is similar with Fig. 4, and which show the diagrammatic side-view cross-sectional schematic diagram of the gas appliance system in another embodiment；

Fig. 6 is the schematic cross-sectional view of part smoke-exhaust pipeline in gas appliance system shown in Fig. 1, wherein the first smoke exhaust pipe and Second smoke exhaust pipe links together；

Fig. 7 is similar with Fig. 6, wherein the first smoke exhaust pipe and the second smoke exhaust pipe mutually disengage；

Fig. 8 A are the schematic perspective views of the first smoke exhaust pipe shown in Fig. 6 and Fig. 7；

Fig. 8 B are the schematic cross-sectional view of the first smoke exhaust pipe vertically shown in Fig. 8 A；

Fig. 9 A are the schematic perspective views after the first smoke exhaust pipe stretching shown in Fig. 8 A；

Fig. 9 B are the schematic cross-sectional view of the first smoke exhaust pipe vertically shown in Fig. 9 A；

Figure 10 is the schematic perspective view of the second locating piece in smoke-exhaust pipeline shown in Fig. 6；

Figure 11 is the schematic perspective view of the first locating piece in smoke-exhaust pipeline shown in Fig. 6.

Embodiment

The utility model is described in detail below with reference to each embodiment shown in the drawings.But these embodiments The utility model is not intended to limit, structure, method or the work(that those of ordinary skill in the art are made according to these embodiments Conversion on energy is all contained in the scope of protection of the utility model.

Gas appliance is such as natural gas, town gas, liquefied gas, biogas using fuel gas as fuel, can by burning Combustion gas body provides heat to meet the life requirement of user, such as, there is provided the gas heater of domestic hot-water, can provide at the same time Gas fired-boiler and gas kitchen ranges and kitchen ventilator of domestic hot-water and heating demands etc..Next it is right by taking gas heater as an example The gas appliance system of the utility model illustrates.

As depicted in figs. 1 and 2, gas appliance system 100 includes a gas heater, which passes through by each row Smoke pipe connects the smoke-exhaust pipeline to be formed and is exhausted, it includes housing 10, houses and mixed in the housing for combustion gas and air Burner 11, heat exchanger 12, exhaust fume collecting hood 13, wind turbine 14 and the control assembly 15 of compound.The heat that the burning of burner 11 produces The current that amount is flowed through heat exchanger by heat exchanger 12 are absorbed so as to generate hot water；The flue gas produced burn in wind turbine 14 Drive it is lower collected by exhaust fume collecting hood 13, and smoke-exhaust pipeline by being connected with exhaust fume collecting hood 13 is discharged.Control assembly 15 and housing Each electrically controllable component connection in 10 then judges for detecting the related operating parameter of gas heater and accordingly controls heat The operation of hydrophone.Control assembly 15 can be the logic control electricity being formed by connecting by some electronic components according to certain wire laying mode Road；It can also be the microcontroller (MCU) of instruction of having program stored therein；The either integrated chip with proprietary purposes, such as scene Programmable gate array (Field-Programmable Gate Array, FPGA) etc..Construction and work due to gas heater Principle is well known to those skilled in the art, so applicant is no longer repeated herein.

Coordinating with reference to shown in Fig. 3 and Fig. 4, the smoke exhaust pipe for forming smoke-exhaust pipeline can be straight type pipe, such as the first smoke exhaust pipe 21, Can also be bend pipe, such as the second smoke exhaust pipe 22.Wherein, the top of housing 10 is extended in 13 part of exhaust fume collecting hood, and the of smoke-exhaust pipeline The part that one smoke exhaust pipe 21 protrudes shell 10 with exhaust fume collecting hood 13 is connected.Certainly in other embodiments, the second smoke exhaust pipe 22 also may be used It is directly connected to exhaust fume collecting hood 13.One switch module is electrically connected with control assembly 15, for detecting the first smoke exhaust pipe 21 and collection cigarette Whether cover 13 is correct and is reliably connected, that is to say, that switch module is connected with exhaust fume collecting hood 13 in the first smoke exhaust pipe 21 and reaches both It is triggered during fixed reliable installation site.The switch module can use mechanical contact to switch, and can also be connect using on-mechanical Touch switches, are preferably non-contact type approach switch.Specifically, switch module can include a close switch and a detection body, Wherein it is fixedly installed close to one of switch and detection body relative to housing 10, and another in close switch and detection body is set In on the first smoke exhaust pipe 21.In 13 connection procedure of the first smoke exhaust pipe 21 and exhaust fume collecting hood, when detection body close to switch with being close to During one specific range, show that the first smoke exhaust pipe 21 and exhaust fume collecting hood 13 are reliably installed in place, be then triggered action close to switch.Example Such as, it is triggered closure close to switch in normally open, so that control assembly 15 is it can be learnt that the first smoke exhaust pipe 21 and collection cigarette Cover 13 has been installed in place, and shows related confirmation message by display module.Conversely, once the first smoke exhaust pipe 21 and exhaust fume collecting hood 13 Connection go wrong and cause to be disconnected close to switch, then control assembly 15 will report an error and be shown by display module related Error message.

In embodiment as shown in Figure 3 and Figure 4, switch module include being set in the first smoke exhaust pipe 21 with exhaust fume collecting hood 13 The connection ring 32 to connect outside the end 210 of one end.Connection ring 32 is with from the stretching of its body outer surface radial convex and vertically downward The lug 34 of extension, detection piece are arranged in the lug 34.Switch module further includes fixed setting on the housing 10 and around collection Retainer ring 31 outside the part for protruding out housing of petticoat pipe 13.Retainer ring 31 has from the convex of its body outer surface radial convex stretching Platform 33.It is arranged in the resettlement section 331 of 33 side of boss close to switch, and is electrically connected by conducting wire 311 and control assembly 15； Groove 332 is also formed with the opposite side of boss 33.In 13 connection procedure of the first smoke exhaust pipe 21 and exhaust fume collecting hood, when lug extremely Small part can just reach the specific range for making the action that is triggered close to switch after entering groove.In the present embodiment, connect Nearly switch includes a tongue tube 3311, which is arranged on a circuit board, and conducting wire 311 is drawn and is connected to from circuit board Control assembly 15.Detection body is a main magnet 341, it can use common magnetic material, such as ferrite lattice.Work as main magnet 341 close to tongue tube 3311 reach a specific range when, originally separated two magnetic reed in tongue tube 3311 (is not schemed Show) it is subject to the effect in magnetic field to be pulled together, so that circuit turn-on and being detected by control assembly 15, and then confirm first row Smoke pipe 21 is reliably connected with exhaust fume collecting hood 13.

As shown in figure 4, in present embodiment, after the first smoke exhaust pipe 21 is connected in place with exhaust fume collecting hood 13,34 part of lug into In the groove 332 for having entered boss 33, but the main magnet 341 in lug is still located at the outside of groove 332, at this time main magnet 341 To tongue tube 3311 distance more than 10 millimeters.To ensure that tongue tube 3311 can be triggered action at this time, in the resettlement section of boss An auxiliary magnet 3312 is additionally provided with 331.The auxiliary magnet 3312 is arranged on the side of tongue tube 3311, for reducing tongue tube Pickup value (Pull-in Value), that is, improve tongue tube sensitivity, that is to say, that although main magnet 341 is apart from tongue tube 3311 farther out, but the reed in tongue tube can also be attracted.Certainly, in other embodiments, main magnet 341 can also use The material of relatively high magnetism, such as ndfeb magnet, thus also can realize the closure of tongue tube more at a distance without auxiliary magnet. As shown in figure 5, in another embodiment, the smoke exhaust pipe of bent-tube boiler, such as the second smoke exhaust pipe 22 can be directly connected with exhaust fume collecting hood 13, At this time, the lug 34 installed in the connection ring of bend pipe end can be typically extended fully across in the groove 332 of the boss of retainer ring, main magnet 341 are also fully located at the inside of groove 332.Since main magnet 341 is relatively near apart from tongue tube 3311, so, at this moment need not be auxiliary Magnetic assist body can also realize the closure of tongue tube." the second smoke exhaust pipe " here calls the implementation primarily to before being different from " the first smoke exhaust pipe " in mode, but and be not specific to specific or specific smoke exhaust pipe, that is to say, that should " second smoke exhaust pipe " equally may be used Call for " the first smoke exhaust pipe ".

Once the first smoke exhaust pipe 21 and the unexpected disengagement of exhaust fume collecting hood 13, the distance between main magnet 341 and tongue tube 3311 increase Add and make to be applied to the releasing of the magnetic field on reed, under the elastic-restoring force effect of reed, reed recovers original open mode, So that circuit disconnects, and then sensed by control assembly 15 and perform corresponding measure.With clarinet in the above embodiment Exemplified by illustrate to approach concrete application of the switch in the utility model, but in other embodiments, completely may be used close to switch Using other forms, such as vortex type proximity switch, capacitive approach switch, proximity Hall switch, broadcasting and TV formula are close to be switched, by It is well known to those skilled in the art in these close switches, and the utility model is applied to reference to the example of above-mentioned clarinet In without performing creative labour, so applicant is no longer repeated herein.

Coordinate with reference to shown in Fig. 6 to Figure 11, the first smoke exhaust pipe 21 and the second smoke exhaust pipe 22 can be in the axial directions of the first smoke exhaust pipe Upper connection.The second pipe portion 212 that first smoke exhaust pipe 21 has the first pipe portion 211 and is partly coated on outside the first pipe portion, wherein the One pipe portion 211 and the second pipe portion 212 can relatively move in the axial direction, so that the adjustable in length of smoke exhaust pipe.First smoke exhaust pipe 21 further include the first positioning component being arranged in the first pipe portion 211 and the second pipe portion 212, opposite to limit the first pipe portion 211 Moved in the second pipe portion 212 along specific direction.

First positioning component includes the guide channel on the outer wall of the second pipe portion 212.In a particular embodiment, The raised line 2121 axially extended is convexly equipped with the outer wall of two pipe portions 212, which is formed in the raised line 2121.First is fixed Hyte part further includes the first locating piece 41 in the first pipe portion 211 and radially extended.First locating piece 41 includes lengthwise The tube body of extension and in tube body and in compressive state the first spring 412.The longitudinal end of tube body is equipped with perforate, and one One protrusion 411 is protruded out outside the first pipe portion 211, its bottom is located in tube body and is compressed by 412 elasticity of the first spring, and its head Then protrude out and can enter in the guide channel of the second pipe portion 212 from the perforate.When length of tube of discharging fume needs to adjust, pull respectively First pipe portion 211 and the second pipe portion 212, pass through the first protrusion 411 of the first locating piece in the first pipe portion and the second pipe portion The cooperation of guide channel in raised line 2121, make the first pipe portion 211 relative to the second pipe portion 212 axially movable.Coordinate with reference to figure Shown in 11, the first protrusion 411 has vertical side, by this structure, when the first protrusion 411 is moved to the second pipe portion 212 Guide channel end when, the end of the first raised vertical side and guide channel is against so that it is opposite to limit the first pipe portion 211 Further move in the second pipe portion 212, depart to avoid the first pipe portion 211 and the second pipe portion 212.

The second positioning component is additionally provided with the region that the first smoke exhaust pipe 21 and the second smoke exhaust pipe 22 connect.The second positioning group Part includes the second locating piece 42 for being arranged on the inside of one of the first smoke exhaust pipe 21 and the second smoke exhaust pipe 22 and radially extending.Its In the second locating piece 42 there is the second protrusion 421 of the convex outer surface for exposing residing smoke exhaust pipe.First smoke exhaust pipe 21 and second row Another in smoke pipe 22 there is end at above-mentioned join domain and be connected with end and radial dimension more than end protuberance Portion 221.As shown in Fig. 6, Fig. 7 and Figure 10, in a particular embodiment, tube body of second locating piece 42 including lengthwise extension, With in tube body and in compressive state second spring 422.The longitudinal end of tube body is equipped with taper closing in 423, and second is raised 421 bottom is located in tube body and is compressed by 422 elasticity of second spring, and the second raised head then protrudes out taper closing in 423.When first smoke exhaust pipe 21 and the second smoke exhaust pipe 22 are installed, Manual press is located at the second protrusion 421 in the first smoke exhaust pipe 21 And it is set to be retracted into the tube body of the second locating piece 42.Then by the end sleeve of the second smoke exhaust pipe 22 at the end of the first smoke exhaust pipe 21 Portion, and further it is moved axially until that the second protrusion 421 enters in the protrusion 221 of the second smoke pipe.At this time, the first smoke exhaust pipe and Second smoke exhaust pipe completes connection, also, makes by the second protrusion 421 and the interference of 221 inner wall of protrusion of the second locating piece First smoke exhaust pipe 21 will not be loosened with the second smoke exhaust pipe 22.In a preferred embodiment, the second protrusion 421 of the second locating piece The convex part for exposing 21 surface of the first smoke exhaust pipe there are curved surfaces.By this structure, the is being pulled with larger strength One smoke exhaust pipe 21 and the second smoke exhaust pipe 22 and make both the second of the second locating piece be raised towards during the direction movement being located remotely from each other 421 can be extruded by the inner wall of the protrusion 221 of the second smoke exhaust pipe 22 and are retracted into the tube body of the second locating piece 42, then by the Deviate from the second smoke exhaust pipe 22 behind the end of two nesting tubes 22, so that the first smoke exhaust pipe 21 and the second smoke exhaust pipe 22 depart from, and then Beneficial to the maintenance and replacement of smoke-exhaust pipeline.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.

Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (10)

1. one kind smoke evacuation tube assembly, it includes at least the first smoke exhaust pipe and the second smoke exhaust pipe that can axially connect；It is characterized in that： The second pipe portion that first smoke exhaust pipe has the first pipe portion and is partly coated on outside the first pipe portion, first pipe portion and second Pipe portion can relatively move in the axial direction.

2. smoke evacuation tube assembly according to claim 1, it is characterised in that：First smoke exhaust pipe, which further includes, is arranged at first The first positioning component in pipe portion and the second pipe portion, is moved with limiting the first pipe portion relative to the second pipe portion along specific direction.

3. smoke evacuation tube assembly according to claim 2, it is characterised in that：First positioning component includes being arranged on the second pipe The outer wall in portion is equipped with guide channel and in the first pipe portion and the first locating piece for radially extending, first positioning Part has the first protrusion protruded out outside the first pipe portion, and first protrusion is protruded into the guide channel of second pipe portion.

4. smoke evacuation tube assembly according to claim 3, it is characterised in that：First protrusion has vertical side, can With the end of the guide channel of the second pipe portion against and limit further movement of first pipe portion relative to the second pipe portion.

5. smoke evacuation tube assembly according to claim 3, it is characterised in that：It is convexly equipped with the outer wall of second pipe portion along axis To the raised line of extension, the guide channel is formed in the raised line.

6. smoke evacuation tube assembly according to claim 3, it is characterised in that：First locating piece includes the pipe of lengthwise extension Body and in tube body and in compressive state the first spring；The longitudinal end of the tube body is equipped with perforate, and described first is raised Bottom be located in tube body and compressed by the first spring, the described first raised head then protrudes out from the perforate and can be into In the guide channel for entering the second pipe portion.

7. smoke evacuation tube assembly according to claim 1, it is characterised in that：First smoke exhaust pipe and the second smoke exhaust pipe connection Region be additionally provided with the second positioning component, it includes being arranged on the inside of one of the first smoke exhaust pipe and the second smoke exhaust pipe and radially Second locating piece of extension, second locating piece have the second protrusion of the convex outer surface for exposing residing smoke exhaust pipe；Described Another in one smoke exhaust pipe and the second smoke exhaust pipe has end at the join domain and is connected with end and radial dimension More than the protrusion of end, after the completion of the first smoke exhaust pipe and the connection of the second smoke exhaust pipe, the second of second locating piece is raised In the protrusion.

8. smoke evacuation tube assembly according to claim 7, it is characterised in that：The raised convex dew of the second of second locating piece Part has curved surfaces.

9. smoke evacuation tube assembly according to claim 8, it is characterised in that：Second locating piece includes the pipe of lengthwise extension Body and in tube body and in compressive state second spring；The longitudinal end of the tube body closes up equipped with taper, and described second Raised bottom is located in tube body and is compressed by second spring elasticity, and the described second raised head then protrudes out taper closing in And it can enter in the protrusion.

A kind of 10. gas appliance system, it is characterised in that：The system includes smoke evacuation as claimed in any one of claims 1-9 wherein Tube assembly and gas appliance；Wherein gas appliance includes housing, is housed in housing and is used for combustion gas and air mixture Burner, the heat that produces of absorption burner and transfer heat to by the heat exchangers of its current and collect combustion Burn the exhaust fume collecting hood of generated flue gas；The first smoke exhaust pipe or the second smoke exhaust pipe for tube assembly of discharging fume are connected with the exhaust fume collecting hood.