CN214276630U

CN214276630U - Waste heat recovery device of setting machine

Info

Publication number: CN214276630U
Application number: CN202022902705.6U
Authority: CN
Inventors: 沈崇江; 陈洁刚; 李岩霜; 潘林锋; 冯伟; 鲁建军
Original assignee: Zhejiang Binkang Printing & Dyeing Co ltd
Current assignee: Zhejiang Binkang Printing & Dyeing Co ltd
Priority date: 2020-12-05
Filing date: 2020-12-05
Publication date: 2021-09-24
Anticipated expiration: 2030-12-05

Abstract

The utility model relates to a waste heat recovery device of forming machine, including the energy-absorbing room, put can room and many heat pipes, the energy-absorbing room respectively with the exhaust port of oven and the union coupling of discharging fume of oven, put can the air intake intercommunication of room and oven, the heat pipe respectively with the energy-absorbing room with put can the room and be connected, and the both ends of heat pipe are located respectively and put can the room and the energy-absorbing room, put can the room and have the fresh air inlet, put can the indoor fan of installing. This application has waste heat in the waste gas in the energy-absorbing room can be guided by the heat pipe and heat the air of putting the ability room in putting the ability room, and the air after the heating is carried again and is heated in the oven, has reduced the energy consumption of air heating, has saved the working cost's of forming machine effect.

Description

Waste heat recovery device of setting machine

Technical Field

The application relates to the field of forming machines, in particular to a waste heat recovery device of a forming machine.

Background

The forming machine is indispensable post-processing equipment in the cloth printing and dyeing process, and the cloth just can form level and smooth pleasing to the eye finished product cloth through the forming machine design after dyeing washing.

The common setting machine is a heat setting machine, and the setting principle is that air is conveyed to a heating component in an oven to be heated, then the heated air is conveyed to a fabric to blow hot air to heat and dry the fabric, so that the fabric is set, and then the waste gas containing a large amount of flock is discharged out of the oven.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the waste gas exhausted from the oven still has a large amount of heat, the direct emission can lead the heat in the waste gas to be dissipated into the atmosphere, and the dissipated heat causes a large amount of energy originally used for heat setting to be wasted, thereby greatly increasing the production cost.

SUMMERY OF THE UTILITY MODEL

In order to solve waste gas and directly to be discharged in the atmosphere and make a large amount of heats in the waste gas directly lose the problem that causes the energy waste in the atmosphere, this application provides a waste heat recovery device of forming machine.

The application provides a waste heat recovery device of forming machine adopts following technical scheme:

the utility model provides a waste heat recovery device of forming machine, includes the energy-absorbing room, can room and many heat pipes of releasing, the energy-absorbing room be located with the exhaust port of oven and the pipe of discharging fume of oven between just be connected with both, the air intake intercommunication of the room of releasing and oven, the heat pipe respectively with the energy-absorbing room with it connects to release the room, just the both ends of heat pipe are located respectively the room of releasing with in the energy-absorbing room, it has the fresh air inlet to release the room, it installs the fan just to release the indoor fan that will cover the fresh air inlet.

By adopting the technical scheme, the waste gas discharged from the smoke outlet can firstly enter the energy absorption chamber, most of heat contained in the waste gas in the energy absorption chamber can be absorbed by one end of the heat conduction pipe positioned in the energy absorption chamber, then the air is transmitted to one end of the heat pipe in the energy release chamber along the heat pipe, then the fan is started to transmit the outside air into the energy release chamber, the heat transmitted on the heat pipe in the energy release chamber heats the air in the energy release chamber, the heated air enters the heating component in the oven from the joint of the energy release chamber and the oven to be heated, because the air conveyed to the heating component is preheated by the heat conduction pipe in the energy release chamber, the energy consumed by the heating component in the oven when the air is heated to the specified temperature is reduced, and then reduced the whole energy consumption of forming machine when stereotypeing, saved the working cost of forming machine.

Optionally, a side wall of the energy release chamber and a side wall of the energy absorption chamber coincide with each other, and the plurality of heat conduction pipes are all installed on the side walls of the energy absorption chamber and the energy release chamber coinciding with each other.

Through adopting above-mentioned technical scheme, reduced the heat pipe and located the length outside energy-absorbing room and the room of discharging, reduced the heat loss of heat pipe at the in-process that transfers the heat from the energy-absorbing room to the room of discharging.

Optionally, a plurality of first mounting holes are formed in one-to-one correspondence between one side wall of the energy release chamber and one side wall of the energy absorption chamber, which are overlapped with each other, and the heat conduction pipes, wherein mounting rings are embedded in the first mounting holes in a matching manner, each mounting ring is provided with a connecting piece connected with one side wall of the energy release chamber and one side wall of the energy absorption chamber, which are overlapped with each other, and the heat conduction pipes are coaxially mounted on the mounting rings in one-to-one correspondence; the side wall of the energy release chamber is provided with a door body, and the heat conduction pipe can penetrate through the door body and penetrate out to the outside.

By adopting the technical scheme, because a large amount of flocks and oil gas are contained in the waste gas discharged from the oven, after the waste gas is used for a period of time, a large amount of flocks containing oil gas are easily adhered to one end of the heat conduction pipe positioned in the energy absorption chamber, and the heat absorptivity of the heat conduction pipe is greatly reduced after the heat conduction pipe is adhered with a large amount of flocks, so that the recycling of waste heat is influenced; the working personnel can separate the connecting piece from the side wall of the energy release chamber after the setting machine is stopped, take the mounting ring out of the first mounting hole, then take one end of the heat pipe positioned in the energy absorption chamber out of the energy absorption chamber through the first mounting hole, then take the whole heat pipe out of the energy absorption chamber through the door body, wash the whole heat pipe, and mount the heat pipe on the side wall, on which the energy absorption chamber and the energy release chamber are overlapped, in a detachable mode after the washing is finished, so that the heat pipe is in a cleaner state when the setting machine works, and the utilization rate of the waste heat of the drying oven is improved.

Optionally, the connecting piece includes spring and fixture block, the spout has been seted up to the lateral wall of collar, the fixture block slides and installs in the spout, the both ends of spring are connected respectively the fixture block with the tank bottom of spout under the spring action, initial state the one end of fixture block stretches out the spout, the lateral wall of first mounting hole is seted up flutedly, the fixture block stretches out the one end of spout can cooperate to inlay to establish in the recess.

Through adopting above-mentioned technical scheme, the staff accessible fixture block, spring, spout and the mutual cooperation between the recess dismantle and install the heat pipe more conveniently.

Optionally, first mounting hole orientation the one end of putting the ability room is provided with the chamfer, the energy-absorbing room with put a lateral wall orientation of ability room coincidence one side edge of energy-absorbing room the profile of the orifice department of first mounting hole is provided with ring baffle, the diameter of heat pipe is less than ring baffle's hole aperture, the diameter of collar is greater than ring baffle's hole aperture works as the collar cooperation inlays to be established when in the first mounting hole, a lateral wall laminating of collar supports tightly ring baffle.

Through adopting above-mentioned technical scheme, when inlaying the collar fit and establishing first mounting hole in, the guide through the chamfer can make the location of installation piece comparatively convenient, and the installation piece cooperation inlays establishes in first mounting hole the back, can be blocked by the baffle for when rotating the collar and inserting the recess with the fixture block cooperation, the fixture block is difficult for misplacing with the recess along the axis direction's of heat pipe position.

Optionally, a filter screen is installed on the side wall of the energy release chamber, and the filter screen shields the air inlet hole of the energy release chamber.

By adopting the technical scheme, the dust screen can filter outside air, the content of flock in the air conveyed into the energy absorption chamber is reduced, and the discharged air in the energy absorption chamber is difficult to cause secondary pollution to cloth.

Optionally, it is indoor with to put can the heat pipe one-to-one be provided with many water pipes, the water pipe be provided with installation mechanism with put can the lateral wall of room and connect, the water pipe is double helix form, just the water pipe one-to-one will the heat pipe surrounds.

Through adopting above-mentioned technical scheme, when needing to use hot water in the mill, can be with water source and water piping connection, carry cold water in the water pipe, the heat pipe can heat the cold water in the water pipe, has further increased the utilization ratio of the waste heat in the oven.

Optionally, installation mechanism include with a plurality of sliders of water pipe one-to-one, the second mounting hole has been seted up to the slider, the water pipe cooperation is installed the pore wall of second mounting hole, the slider slides and installs it is relative to let can the room a lateral wall of heat pipe, the direction of sliding of slider with the axis of heat pipe is parallel, the slider still be provided with the locking piece with let can the room the lateral wall of connecting.

Through adopting above-mentioned technical scheme, the staff can break away from between water pipe and the heat pipe through the slider that slides for when need not hot water in the mill, the water pipe is difficult to produce the interference to heat pipe heated air, and the water pipe is difficult to be continuously heated by the heat pipe when the air traffic control, has increased the life of water pipe.

Optionally, the outer side wall of the sliding block is cylindrical.

Through adopting above-mentioned technical scheme, when the water pipe passes through heat pipe heating cold water, the thrust that is the wind that cylindric slider received the fan and blow off is less for the slider is difficult for producing because the wind that the fan blew off warp.

Optionally, the locking piece includes first elasticity arch and second elasticity arch, it is relative to put the ability room the outer wall of a lateral wall of heat pipe is relative the slider one-to-one installs the tubulose passageway of sliding, the slider is located in the passageway of sliding and with the passageway of sliding slides the cooperation, first elasticity arch with second elasticity arch sets up respectively the both ends lateral wall of slider, the passageway inner wall of sliding seted up with first elasticity arch with the protruding homogeneous phase complex draw-in groove of second elasticity, work as the water pipe will when the heat pipe surrounds, first elasticity arch cooperation is inlayed and is established in the draw-in groove, the slider slides to the heat pipe breaks away from during the surrounding range of water pipe, second elasticity arch cooperation is inlayed and is established in the draw-in groove.

By adopting the technical scheme, when the sliding block slides, the first elastic bulge, the second elastic bulge, the sliding channel and the clamping groove are matched, so that the water pipe is not easy to move when surrounding the heat conduction pipe, and the water in the water pipe is heated stably; make the location after water pipe and the heat pipe break away from comparatively stable for the heat pipe is difficult for being disturbed by the water pipe when heating the air.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the waste gas discharged from the smoke outlet firstly enters the energy absorption chamber, most of heat contained in the waste gas in the energy absorption chamber is absorbed by one end, located in the energy absorption chamber, of the heat conduction pipe and then is conducted to one end, located in the energy release chamber, of the heat conduction pipe, the fan is started to convey external air into the energy release chamber, the heat conducted on the heat conduction pipe located in the energy release chamber can heat the air in the energy release chamber, the heated air can enter the heating assembly in the oven from the joint of the energy release chamber and the oven to be heated, and the air conveyed to the heating assembly is preheated by the heat conduction pipe in the energy release chamber, so that the energy consumed by the heating assembly in the oven when the air is heated to a specified temperature is reduced, the overall energy consumption of the setting machine during setting is reduced, and the working cost of the setting machine is saved;

2. when the mounting ring is embedded in the first mounting hole in a matching manner, the mounting block can be positioned more conveniently through the guide of the chamfer, and the mounting block can be blocked by the baffle after being embedded in the first mounting hole in a matching manner, so that when the mounting ring is rotated to clamp the clamping block in the groove in a matching manner, the positions of the clamping block and the groove along the axial direction of the heat conduction pipe are not easy to be dislocated;

3. when the sliding block slides, the first elastic bulge, the second elastic bulge, the sliding channel and the clamping groove are matched, so that the water pipe is not easy to move when surrounding the heat conduction pipe, and the water in the water pipe is heated stably; make the location after water pipe and the heat pipe break away from comparatively stable for the heat pipe is difficult for being disturbed by the water pipe when heating the air.

Drawings

Fig. 1 is a schematic perspective view of the present application including an oven, wherein the oven only shows the oven housing and heating assembly.

Fig. 2 is a schematic perspective view of the present application.

Fig. 3 is a schematic cross-sectional view of the present application.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Reference numerals: 1. an oven; 11. a smoke outlet; 12. an air inlet; 13. a smoke exhaust pipe; 14. a heating assembly; 2. an energy absorption chamber; 3. an energy releasing chamber; 31. a heat conducting pipe; 32. an air inlet hole; 33. a fan; 34. a filter screen; 4. a first mounting hole; 41. a mounting ring; 42. a chute; 43. a connecting member; 431. a spring; 432. a clamping block; 44. a groove; 45. chamfering; 46. an annular baffle; 5. a door body; 51. an installation mechanism; 511. a slider; 5111. a second mounting hole; 512. a slipping channel; 5121. a card slot; 6. a locking member; 61. a first elastic protrusion; 62. a second elastic protrusion; 7. a water pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses waste heat recovery device of forming machine, refer to fig. 1, including setting up in energy-absorbing chamber 2 and the room of releasing 3 that is the roof of oven 1 of cuboid form. The energy absorption chamber 2 and the energy release chamber 3 are in the shape of a cuboid with equal size, and the energy absorption chamber 2 and the energy release chamber 3 share one side wall. The bottom walls of the energy absorption chamber 2 and the energy release chamber 3 are fixedly mounted on the top wall of the oven 1 in a fit manner, the bottom wall of the energy absorption chamber 2 covers the smoke outlet 11 of the oven 1, the smoke outlet 11 of the oven 1 penetrates through the bottom wall of the energy absorption chamber 2, and the top wall of the energy absorption chamber 2 is fixedly connected with the smoke exhaust pipe 13 of the oven 1. The air inlet 12 of the oven 1 is covered by the bottom wall of the energy release chamber 3, the bottom wall of the energy release chamber 3 is penetrated through by the air inlet 12 of the oven 1, the bottom wall of the energy release chamber 3 is fixedly provided with a guide pipe, one end of the guide pipe is connected with the bottom wall of the energy release chamber 3, and the other end of the guide pipe is close to the heating component 14 in the oven 1.

Referring to fig. 2 and 3, an air inlet hole 32 is formed in the top wall of the energy release chamber 3, a fan 33 is arranged in the air inlet hole 32, the fan 33 is fixedly installed on the side wall of the air inlet hole 32 and covers the air inlet hole 32, the fan 33 blows air vertically downwards, a filter screen 34 is fixedly installed on the top wall of the energy release chamber 3, and the filter screen 34 covers the air inlet hole 32.

Referring to fig. 2, six first mounting holes 4 are formed in a side wall shared by the energy absorption chamber 2 and the energy release chamber 3, and the six first mounting holes 4 are evenly distributed in two horizontal rows.

Referring to fig. 3 and 4, six heat transfer pipes 31 are provided in the energy absorption chamber 2, a mount ring 41 is coaxially and fixedly attached to the middle of the side wall of the heat transfer pipe 31, and a connector 43 is provided to the mount ring 41. The link 43 includes a spring 431 and a latch 432 having a cylindrical shape. The middle part of the side wall of the mounting ring 41 is provided with a sliding groove 42 which is cylindrical and is matched with the fixture block 432, the fixture block 432 is matched and slidably mounted in the sliding groove 42, one end face, facing the groove bottom of the sliding groove 42, of the fixture block 432 is fixedly connected with one end of the spring 431, and the other end of the spring 431 is fixedly connected to the groove bottom of the sliding groove 42. One end of the latch 432 in the initial state is protruded out of the slide groove 42 by the spring 431.

Referring to fig. 3 and 4, a groove 44 matched with one end of the fixture block 432 extending out of the chute 42 is formed in the middle of the side wall of the first mounting hole 4, a chamfer 45 is formed at one end of the first mounting hole 4 facing the energy release chamber 3, an annular baffle 46 is formed at one end of the first mounting hole 4 facing the energy absorption chamber 2, the annular baffle 46 is coaxial with the first mounting hole 4, the annular baffle 46 is fixedly mounted on the common side wall of the energy release chamber 3 and the energy absorption chamber 2, and the inner ring diameter of the annular baffle 46 is larger than the diameter of the heat conduction pipe 31 and smaller than the diameter of the mounting ring 41. When the mounting ring 41 is mounted and embedded in the first mounting hole 4 and one end face of the mounting ring 41 abuts against the annular baffle 46, the latch 432 of the mounting ring 41 corresponds to the groove 44 of the first mounting hole 4 in the horizontal direction, and the latch 432 can be fittingly embedded in the groove 44 by rotating the mounting ring 41.

Referring to fig. 2 and 3, a door body 5 is rotatably mounted on one side wall of the energy release chamber 3 relative to the first mounting holes 4, tubular sliding channels 512 are fixedly mounted on the door body 5 and the six first mounting holes 4 in a one-to-one correspondence manner, and the axes of the corresponding sliding channels 512 and the first mounting holes 4 are coaxial. A cylindrical slider 511 is slidably fitted in the slide passage 512, and the slider 511 slides in the axial direction of the slide passage 512. The second mounting hole 5111 has been seted up to the slider 511 coaxial, and fixed mounting has the water pipe 7 that is double helix form in second mounting hole 5111, and the one end of intaking of water pipe 7 and play water one end all are located the slider 511 and deviate from the one end department of first mounting hole 4, and the virtual cylindrical axis that the water pipe 7 enclosed is coaxial with second mounting hole 5111, and the virtual cylindrical diameter that the water pipe 7 enclosed is greater than heat pipe 31.

Referring to fig. 3, a second elastic protrusion 62 is fixedly mounted on a side wall of one end of the sliding block 511 facing the first mounting hole 4, a first elastic protrusion 61 is fixedly mounted on a side wall of one end of the sliding block 511 facing away from the first mounting hole 4, and a clamping groove 5121 matched with the first elastic protrusion 61 and the second elastic protrusion 62 is formed in an inner wall of the sliding channel 512. When the heat conduction pipes 31 are arranged on the common side wall of the energy absorption chamber 2 and the energy release chamber 3 through the matching between the mounting ring 41 and the first mounting hole 4, the sliding block 511 is pushed to slide to drive the water pipe 7 to surround the corresponding heat conduction pipe 31, and at the moment, the first elastic bulge 61 is embedded in the clamping groove 5121 in a matching manner; after the slider 511 is moved to the second mounting hole 5111 of the slider 511 and the heat pipe 31 are completely separated, the second elastic protrusion 62 is engaged and embedded in the slot 5121.

The implementation principle of the waste heat recovery device of the setting machine in the embodiment of the application is as follows:

when the exhaust gas blown out from the exhaust port 11 of the oven 1 passes through the energy absorption chamber 2, most of the heat of the exhaust gas is absorbed by one end of the heat pipe 31 located in the energy absorption chamber 2 and then guided to one end of the heat pipe 31 located in the energy release chamber 3, and then the outside air is heated by the heat pipe 31 in the energy release chamber 3 and then conveyed to the heating assembly 14 of the oven 1 for heating, so that the secondary utilization of the waste heat of the exhaust gas is realized.

When hot water is needed, the slider 511 is pushed to slide so that the water pipe 7 covers the end of the heat transfer pipe 31 located in the discharging chamber 3, and the cold water in the water pipe 7 is heated by the residual heat guided by the heat transfer pipe 31.

When the heat transfer pipe 31 needs to be cleaned, the sliding block 511 separates the sliding block 511 from the heat transfer pipe 31, then the door body 5 is opened, the mounting ring 41 is separated from the first mounting hole 4, and then the heat transfer pipe 31 is taken out from the energy absorption chamber 2 and the energy release chamber 3 for cleaning.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a waste heat recovery device of forming machine which characterized in that: including energy-absorbing room (2), put can room (3) and many heat pipe (31), energy-absorbing room (2) are connected with exhaust port (11) of oven (1) and discharge fume pipe (13) of oven (1) respectively, put can air intake (12) intercommunication of room (3) and oven (1), heat pipe (31) respectively with energy-absorbing room (2) with put can room (3) and connect, just the both ends of heat pipe (31) are located respectively put can room (3) with in energy-absorbing room (2), it has fresh air inlet (32) to put can room (3), it installs fan (33) just to put in ability room (3) fan (33) cover fresh air inlet (32).

2. The waste heat recovery device of the setting machine according to claim 1, characterized in that: put a lateral wall of ability room (3) with the mutual coincidence of a lateral wall of energy-absorbing room (2), many heat pipe (31) are all installed energy-absorbing room (2) with put the lateral wall of ability room (3) mutual coincidence.

3. The waste heat recovery device of the setting machine according to claim 2, characterized in that: a plurality of first mounting holes (4) are formed in one-to-one correspondence between one side wall of the energy release chamber (3) and one side wall of the energy absorption chamber (2), which coincide with each other, and the heat conduction pipes (31), a mounting ring (41) is embedded in the first mounting holes (4) in a matching manner, a connecting piece (43) is arranged on the mounting ring (41) and connected with one side wall of the energy release chamber (3) and one side wall of the energy absorption chamber (2), which coincide with each other, and the heat conduction pipes (31) are coaxially mounted on the mounting ring (41) in one-to-one correspondence; the side wall of the energy release chamber (3) is provided with a door body (5), and the heat conduction pipe (31) can penetrate through the door body (5) and penetrate out to the outside.

4. The waste heat recovery device of the setting machine according to claim 3, characterized in that: the connecting piece (43) comprises a spring (431) and a clamping block (432), a sliding groove (42) is formed in the side wall of the mounting ring (41), the clamping block (432) is installed in the sliding groove (42) in a sliding mode, two ends of the spring (431) are connected to the clamping block (432) and the groove bottom of the sliding groove (42) respectively, under the action of the spring (431), one end of the clamping block (432) stretches out of the sliding groove (42) in an initial state, a groove (44) is formed in the side wall of the first mounting hole (4), and one end of the clamping block (432) stretching out of the sliding groove (42) can be embedded in the groove (44) in a matched mode.

5. The waste heat recovery device of the setting machine according to claim 3, characterized in that: first mounting hole (4) orientation put the one end of ability room (3) and be provided with chamfer (45), energy-absorbing room (2) with put a lateral wall orientation of ability room (3) coincidence one side edge of energy-absorbing room (2) the profile of the orifice department of first mounting hole (4) is provided with ring baffle (46), the diameter of heat pipe (31) is less than ring baffle (46)'s hole aperture, the diameter of collar (41) is greater than ring baffle (46)'s hole aperture works as collar (41) cooperation inlays and establishes when in first mounting hole (4), a lateral wall laminating of collar (41) is supported tightly ring baffle (46).

6. The waste heat recovery device of the setting machine according to claim 1, characterized in that: the side wall of the energy release chamber (3) is provided with a filter screen (34), and the filter screen (34) shields the air inlet hole (32) of the energy release chamber (3).

7. The waste heat recovery device of the setting machine according to claim 1, characterized in that: put in can room (3) with heat pipe (31) one-to-one is provided with many water pipes (7), water pipe (7) be provided with installation mechanism (51) with put the lateral wall of can room (3) and connect, water pipe (7) are double helix form, just water pipe (7) one-to-one will heat pipe (31) surround.

8. The waste heat recovery device of the setting machine according to claim 7, characterized in that: installation mechanism (51) include with a plurality of sliders (511) of water pipe (7) one-to-one, second mounting hole (5111) have been seted up in slider (511), water pipe (7) cooperation is installed the pore wall of second mounting hole (5111), slider (511) slide and install it is relative to put can room (3) a lateral wall of heat pipe (31), the direction of sliding of slider (511) with the axis of heat pipe (31) is parallel, slider (511) still be provided with locking piece (6) with the lateral wall of putting can room (3) is connected.

9. The waste heat recovery device of the setting machine according to claim 8, characterized in that: the outer side wall of the sliding block (511) is cylindrical.

10. The waste heat recovery device of the setting machine according to claim 9, characterized in that: the locking piece (6) comprises a first elastic bulge (61) and a second elastic bulge (62), the energy release chamber (3) is provided with a tubular sliding channel (512) corresponding to the outer wall of one side wall of the heat conduction pipe (31) one by one, the sliding block (511) is positioned in the sliding channel (512) and is in sliding fit with the sliding channel (512), the first elastic bulge (61) and the second elastic bulge (62) are respectively arranged on the side walls of two ends of the sliding block (511), the inner wall of the sliding channel (512) is provided with a clamping groove (5121) matched with the first elastic bulge (61) and the second elastic bulge (62), when the water pipe (7) surrounds the heat conduction pipe (31), the first elastic bulge (61) is embedded in the clamping groove (5121) in a matched manner, and the sliding block (511) slides to the heat conduction pipe (31) when the heat conduction pipe (31) is separated from the surrounding range of the water pipe (7), the second elastic bulge (62) is embedded in the clamping groove (5121) in a matching mode.