CN214662375U

CN214662375U - Induction faucet structure

Info

Publication number: CN214662375U
Application number: CN202023195006.9U
Authority: CN
Inventors: 何永强; 叶贤清; 江遂春; 陈广勇; 祝传宝
Original assignee: Xiamen Lota International Co Ltd
Current assignee: Xiamen Lota International Co Ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-11-09
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses an induction tap structure, which is characterized in that an adapter, a water outlet pipe and a shell are installed, and a lower cover is assembled and connected with an assembly port; and then, after the solenoid valve core and the valve seat are installed, the inductor and the induction window are installed, and the connecting straight pipe and the valve seat are installed, the valve seat provided with the connecting straight pipe and the solenoid valve core is installed in the longitudinal cavity from the opening at the bottom end of the longitudinal cavity, the connecting straight pipe can be directly spliced with the inlet of the adapter in the process of installing the valve seat in the longitudinal cavity, so that the connection of a water channel is completed, and finally, the valve seat is fixedly connected with the longitudinal cavity, so that the assembly of the whole induction faucet is completed. Whole response tap's simple structure, but the size designable is smaller and more exquisite, and the assembly is also extremely convenient simultaneously, and water connection is also convenient.

Description

Induction faucet structure

Technical Field

The utility model relates to an induction tap structure.

Background

With the improvement of living standard, people pay more and more attention to the non-contact cleaning of hands, and the non-contact induction faucet becomes the first choice of a public washroom.

However, the existing induction tap has large integral size, complex structure and complex assembly. Moreover, the dust-proof and water-proof effects are not good, which can cause the electromagnetic valve or the sensor to be easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides an induction tap structure, it has overcome that the whole size that the background art exists is huge, the structure is complicated, the assembly is loaded down with trivial details not enough. The utility model provides a technical scheme that its technical problem adopted is:

an induction faucet structure, comprising:

the device comprises a shell, a sensor and a sensor, wherein the shell is provided with a longitudinal cavity extending longitudinally and a transverse cavity extending transversely, the transverse cavity is connected with the top end of the longitudinal cavity, the bottom end of the transverse cavity is provided with an assembly port, and the longitudinal cavity or the transverse cavity is provided with a sensing window;

the induction valve core assembly comprises a valve seat, an electromagnetic valve core and an inductor, wherein the valve seat is fixedly connected in a longitudinal cavity and is provided with a water inlet waterway and a water passing cavity, the inlet of the water passing cavity is communicated with the water inlet waterway, the outlet of the water passing cavity is arranged on the top end surface of the valve seat, the electromagnetic valve core is arranged on the top end of the valve seat and can control the opening and closing of the water passing cavity, and the inductor is arranged at the induction window and is electrically connected with the electromagnetic valve core;

the bottom end of the connecting straight pipe is vertically inserted at the outlet of the water passing cavity, and the top end of the connecting straight pipe vertically extends upwards;

the adapter is fixedly connected to the top wall of the longitudinal cavity and provided with an adapter inlet facing downwards vertically and an adapter outlet facing towards the transverse cavity, and the top end of the connecting straight pipe is in plug fit with the adapter inlet;

the inlet of the water outlet pipe is in plug fit with the outlet of the adapter, and the outlet of the water outlet pipe faces the assembly port;

and the lower cover is connected with the assembly port and is provided with a yielding cavity for yielding the outlet of the water outlet pipe.

In a preferred embodiment: the water outlet pipe comprises a straight water outlet pipe body and a water outlet platform which is fixedly connected to the tail end of the water outlet pipe body and is obliquely arranged, the head end of the water outlet pipe body is an inlet of the water outlet pipe, the water outlet platform forms an outlet of the water outlet pipe, and the bottom end of the water outlet platform extends into the abdicating cavity; and the top wall of the tail end of the transverse cavity is provided with a containing groove, and the top end of the water outlet table extends into the containing groove.

In a preferred embodiment: the periphery of the water outlet table is provided with an annular first sealing groove, and a first sealing ring is arranged in addition and is sleeved in the first sealing groove and is in sealing contact fit with the inner wall of the yielding cavity.

In a preferred embodiment: the top end of the water outlet table is provided with a fixed block, the fixed block is provided with a first penetrating groove, the bottom end of the accommodating groove is provided with a locking table, the locking table is provided with a first screw hole, and a first screw is arranged in addition and is screwed with the first screw hole after penetrating through the first penetrating groove so as to fix the water outlet pipe and the shell.

In a preferred embodiment: the lower cover is upwards provided with a peripheral wall which abuts against the inner wall of the assembling opening; and, the wall is equipped with first joint portion around, the assembly opening inner wall is equipped with second joint portion, first joint portion and the cooperation of second joint portion looks joint are fixed with lower cover and assembly opening.

In a preferred embodiment: go out water platform outside perisporium and be equipped with third joint portion, the wall still is equipped with fourth joint portion around, and third joint portion and fourth joint portion looks joint cooperation are in order to fix a position water platform and lower cover.

In a preferred embodiment: the periphery of the wall around the sealing ring is provided with an annular second sealing groove, and a second sealing ring is arranged in addition and is sleeved in the second sealing groove and is in sealing contact fit with the inner wall of the assembly port.

In a preferred embodiment: the adapter comprises a longitudinal connector and a transverse connector fixedly connected with the longitudinal connector, the bottom end of the longitudinal connector is opened to form an adapter inlet, and the tail end of the transverse connector is opened to form an adapter outlet; the peripheral wall of the longitudinal joint is provided with a lug, the lug is provided with a second through groove, the top end of the longitudinal cavity is provided with a cylinder extending downwards, the cylinder is provided with a second screw hole, and a second screw is additionally arranged and is in threaded connection with the second screw hole after penetrating through the second through groove so as to fixedly connect the adapter with the longitudinal cavity.

In a preferred embodiment: the top end of the longitudinal joint is provided with a positioning boss, and the top end of the longitudinal cavity is provided with a positioning hole matched with the positioning boss in a positioning mode.

In a preferred embodiment: the top end of the longitudinal cavity is also provided with a limiting block, the limiting block is concavely provided with a limiting groove, and the limiting groove abuts against the periphery of the transverse joint.

In a preferred embodiment: the inductor is bonded with the inner end face of the induction window through a glue layer.

In a preferred embodiment: and a third screw hole is formed in the side surface of the valve seat, a through hole is formed in the longitudinal cavity, a third screw is additionally arranged, and the third screw penetrates through the through hole and is in threaded fit with the third screw hole so as to fix the valve seat and the shell.

In a preferred embodiment: and a third sealing ring is also arranged between the third screw and the through hole.

In a preferred embodiment: the periphery of the bottom end of the valve seat is provided with an annular fourth sealing groove, and a fourth sealing ring is arranged in addition and is sleeved in the fourth sealing groove and is in sealing contact fit with the cavity wall at the bottom end of the longitudinal cavity.

Compared with the background technology, the technical scheme has the following advantages:

1. firstly, the adapter, the water outlet pipe and the shell are installed, and then the lower cover is assembled and connected with the assembling port; and then, after the solenoid valve core and the valve seat are installed, the inductor and the induction window are installed, and the connecting straight pipe and the valve seat are installed, the valve seat provided with the connecting straight pipe and the solenoid valve core is installed in the longitudinal cavity from the opening at the bottom end of the longitudinal cavity, the connecting straight pipe can be directly spliced with the inlet of the adapter in the process of installing the valve seat in the longitudinal cavity, so that the connection of a water channel is completed, and finally, the valve seat is fixedly connected with the longitudinal cavity, so that the assembly of the whole induction faucet is completed.

Whole response tap's simple structure, but the size designable is smaller and more exquisite, and the assembly is also extremely convenient simultaneously, and water connection is also convenient.

2. The outlet pipe comprises a straight outlet pipe body and an inclined outlet platform, so that the outlet pipe can obliquely extend into the transverse cavity from the assembling port when being installed, and the outlet pipe is more convenient to install.

3. First sealing washer can be sealed between the play water platform and the chamber of stepping down to in avoiding water to flow into the casing, also play dustproof effect simultaneously.

4. First joint portion and the cooperation of second joint looks joint are fixed with lower cover and assembly opening, and third joint portion and the cooperation of fourth joint looks joint are fixed a position with a water platform and lower cover, also promptly, the lower cover both is connected with the casing, also is connected with the outlet pipe for the assembly of tap is compacter and stable.

5. The second sealing washer can be sealed between lower cover and the assembly mouth to in avoiding water to flow into the casing, also play dustproof effect simultaneously.

6. The positioning boss is matched with the positioning hole in a positioning mode, so that the adapter can be quickly positioned on the top wall of the longitudinal cavity in the assembling process, and the assembly is more convenient.

7. The spacing groove is leaned on and supports in the transverse joint periphery, and this spacing groove can fix a position transverse joint, can fix a position transverse joint fast, also can avoid transverse joint orientation inaccurate.

8. The inductor is bonded with the inner side edge of the induction window through a glue layer, and the waterproof and dustproof effects can be achieved.

9. A third sealing ring is arranged between the third screw and the through hole, so that water or dust can be prevented from entering the shell from the through hole.

10. The fourth sealing washer can seal between vertical chamber bottom and the valve body, plays waterproof dirt-proof effect.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic cross-sectional view of an induction faucet of a preferred embodiment.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a second partial enlarged view of fig. 1.

Fig. 4 is an exploded view of the housing and the adapter.

FIG. 5 is a schematic sectional view showing the assembly of the outlet pipe and the transverse cavity.

Fig. 6 is a schematic perspective view of the assembly of the outlet pipe and the transverse cavity.

Fig. 7 is an exploded view of the assembly of the housing and the lower cover.

Figure 8 shows a cross-sectional view of the adapter, outlet tube and housing assembly.

Fig. 9 shows a longitudinal sectional view of fig. 8.

Fig. 10 is a schematic diagram of the structure of the water outlet pipe.

FIG. 11 illustrates an exploded view of the induction faucet structure.

Detailed Description

In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "first," "second," or "third," etc. are used for distinguishing between different elements and not for describing a particular sequence.

In the claims, the specification and the drawings, unless otherwise expressly limited, to the extent that directional terms such as "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise" and the like are used, the positional or orientational relationships illustrated in the drawings are based on the positional and orientational relationships illustrated in the drawings and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention in any way.

In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the terms "fixedly connected" and "fixedly connected" should be understood in a broad sense, i.e., any connection without displacement relationship or relative rotation relationship between the two, i.e., including non-detachable fixed connection, integrated connection and fixed connection by other devices or elements.

In the claims, the specification and drawings of the present invention, the terms "including", "having" and their variants, if used, are intended to be inclusive and not limiting.

Referring to fig. 1 to 11, a preferred embodiment of an induction faucet structure includes a housing 10, an induction valve core assembly, a connecting straight pipe 20, an adapter 30, a water outlet pipe 40 and a lower cover 50.

The shell 10 is provided with a longitudinal cavity 11 extending longitudinally and a transverse cavity 12 extending transversely, the transverse cavity 12 is connected with the top end of the longitudinal cavity 11, the bottom end of the transverse cavity 12 is provided with an assembling port 13, and the front side of the longitudinal cavity 11 is provided with an induction window 14. As shown in fig. 1, the arrangement of the central axis of the transverse cavity 12 perpendicular to the central axis of the longitudinal cavity 11 is more compact and the overall dimensions can be designed to be smaller. The sensing window 14 may be disposed in the lateral cavity 12, if desired, and is not limited thereto. The material of the housing 10 may be a zinc alloy or a plastic material, but not limited thereto.

As shown in fig. 7, the top wall of the end of the transverse cavity 12 is provided with a receiving groove 15, and the receiving groove 15 is inclined with the central axis of the transverse cavity 12 to be adapted to the subsequent water outlet platform.

The induction valve core assembly comprises a valve seat 60, an electromagnetic valve core 70 and an inductor 80, wherein the valve seat 60 is fixedly connected in the longitudinal cavity 11 and is provided with a water inlet water path 61 and a water passing cavity 62, an inlet of the water passing cavity 62 is communicated with the water inlet water path 61, an outlet 621 of the water passing cavity is arranged on the top end face of the valve seat 60, the electromagnetic valve core 70 is arranged on the top end of the valve seat 60 and can control the opening and closing of the water passing cavity 62, and the inductor 80 is arranged at the induction window 14 and is electrically connected with the electromagnetic valve core 70. As shown in fig. 1, the solenoid valve core 70 is also vertically disposed with its central axis parallel to the central axis of the longitudinal cavity 11. The structure for attaching the solenoid valve element 70 to the valve seat 60 is known in the art and will not be described in detail.

In this embodiment, as shown in fig. 2, the inductor 80 is bonded to the inner end surface of the sensing window 14 through a glue layer 81.

In this embodiment, as shown in fig. 1 and 3, a third screw hole 63 is formed on a side surface of the valve seat 60, a through hole 111 is formed in the longitudinal cavity 11, and a third screw 112 is further provided, wherein the third screw 112 passes through the through hole 111 and then is in threaded engagement with the third screw hole 63 to fix the valve seat 60 to the housing 10.

In this embodiment, as shown in fig. 3, a third sealing ring 113 is further disposed between the third screw 112 and the through hole 111.

In this embodiment, an annular fourth sealing groove 64 is disposed on the outer periphery of the bottom end of the valve seat 60, and a fourth sealing ring 641 is further disposed on the outer periphery of the bottom end of the valve seat 60, and the fourth sealing ring 641 is sleeved in the fourth sealing groove 64 and is in sealing contact with and engaged with the bottom end cavity wall of the longitudinal cavity 11.

The bottom end of the straight connecting pipe 20 is vertically inserted at the outlet of the water passing cavity 62, and the top end of the straight connecting pipe extends vertically upwards. As shown in fig. 1, the straight connecting pipe 20 is arranged side by side with the solenoid spool 70.

Adapter 30 rigid coupling is in vertical chamber 11 roof, and it has the adapter import of vertical decurrent adapter and the adapter export in the horizontal chamber of orientation, connect the cooperation of pegging graft mutually on straight tube 20 top and adapter import.

In this embodiment, as shown in fig. 4, the adapter includes a longitudinal joint 31 and a transverse joint 32 fixedly connected to the longitudinal joint 31, a bottom end of the longitudinal joint 31 is open to form an adapter inlet, and a tail end of the transverse joint 32 is open to form an adapter outlet; the longitudinal joint 31 is provided with two lugs 33 at the peripheral wall, and each lug 33 is provided with a second through groove 34. Meanwhile, two columns 114 extending downward are disposed at the top end of the longitudinal cavity 11, each column 114 is provided with a second screw hole 115, and a second screw 116 is further disposed, and the second screw 116 passes through the second through groove 34 and then is screwed with the second screw hole 115 to fixedly connect the adapter 30 with the longitudinal cavity 11.

And, the top of the longitudinal joint 31 is provided with a positioning boss 311, the top of the longitudinal cavity 11 is further provided with a positioning hole 117 matched with the positioning boss 311, and the positioning hole 117 is located between the two columns 114.

In this embodiment, the top end of the longitudinal cavity 11 is further provided with a limiting block 118, the limiting block 118 is concavely provided with a limiting groove 119, and the limiting groove 119 abuts against the periphery of the transverse joint 32.

The inlet of the water outlet pipe is in plug fit with the outlet of the adapter, and the outlet of the water outlet pipe faces the assembly port 13. The lower cover 50 is attached at the fitting port 13 and is provided with a relief cavity 51 for relieving the outlet of the outlet pipe.

In this embodiment, as shown in fig. 10, the water outlet pipe 40 includes a straight water outlet pipe body 41 and a water outlet platform 42 fixedly connected to the end of the water outlet pipe body 41 and arranged obliquely, the head end of the water outlet pipe body 41 is the water outlet pipe inlet, and the water outlet platform 42 forms the water outlet pipe outlet; as shown in fig. 8, the bottom end of the water outlet table 42 extends into the yielding cavity 51, and the top end of the water outlet table 42 extends into the accommodating groove 15.

In this embodiment, an annular first sealing groove 421 is formed in the periphery of the water outlet table 42, and a first sealing ring 43 is further disposed, where the first sealing ring 43 is sleeved in the first sealing groove 421 and is in sealing contact with and engaged with the inner wall of the yielding cavity 51.

In this embodiment, as shown in fig. 10, a fixing block 44 is disposed at the top end of the water outlet table 42, and the fixing block 44 is provided with a first through groove 441; as shown in fig. 7, a locking platform 151 is disposed at the bottom end of the accommodating groove 15, a first screw hole 152 is disposed on the locking platform 151, and a first screw 153 is further disposed, the first screw 153 penetrates through the first through groove 441 and is screwed with the first screw hole 152 to fix the water outlet pipe 40 and the housing 10, as shown in fig. 6.

In this embodiment, the lower cover 50 is provided with a peripheral wall 52 upward, and the peripheral wall 52 abuts against the inner wall of the assembling opening 13; and, wall 52 is equipped with first joint portion 53 around, assembly port 13 inner wall is equipped with second joint portion 131, first joint portion 53 and the cooperation of second joint portion 131 looks joint are fixed with lower cover 50 and assembly port 13. As shown in fig. 7, the surrounding wall 52 is provided with two symmetrically arranged yielding slots 521, and an elastic buckle is arranged in the yielding slot 521, and the elastic buckle is the first clamping portion 53, so that the second clamping portion 131 is a clamping slot and is provided with two. The specific structures of the first engaging portion 53 and the second engaging portion 131 can be interchanged, and the disclosure is not limited thereto.

In this embodiment, the peripheral wall of the outer side of the water outlet platform 42 is provided with a third fastening portion 422, the peripheral wall 52 is further provided with a fourth fastening portion 522, and the third fastening portion 422 and the fourth fastening portion 522 are fastened and matched to position the water outlet platform 42 and the lower cover 50. As shown in fig. 7, the front side of the peripheral wall 52 is provided with the fourth engaging portion 522, and the fourth engaging portion 522 is a slot; as shown in fig. 10, the third engaging portion 422 is a buckle and is located at the front side of the water outlet platform 42.

In this embodiment, as shown in fig. 7, an annular second sealing groove 523 is disposed on the outer periphery of the bottom end of the peripheral wall 52, and a second sealing ring 524 is further disposed, where the second sealing ring 524 is sleeved in the second sealing groove 523 and is in sealing contact with the inner wall of the assembling port 13.

The assembly process of the induction tap is as follows:

as shown in fig. 4, the adapter 30 is first assembled with the housing 10: the positioning boss 311 and the positioning hole 117 are correspondingly inserted and matched, at this time, the second through groove 34 corresponds to the second screw hole 115, and the limiting groove 119 abuts against the periphery of the transverse joint 32; then, the second screw 116 passes through the second through slot 34 and then is screwed with the second screw hole 115 to fixedly connect the adapter 30 with the longitudinal cavity 11;

then, as shown in fig. 5, the water outlet pipe body 41 is obliquely extended into the transverse cavity 12 from the assembling port 13 and is inserted into the tail end of the transverse joint 32; then, the top end of the water outlet platform 42 is pushed into the accommodating groove 15, and at this time, the first through groove 441 corresponds to the first screw hole 152; then, the first screw 153 passes through the first through slot 441 and is screwed with the first screw hole 152 to fix the water outlet pipe 40 and the housing 10, as shown in fig. 6;

next, as shown in fig. 7, the lower cover 50 is assembled with the assembly opening 13: the lower cover 50 is upwardly arranged at the assembly opening 13, the peripheral wall of the lower cover abuts against the inner wall surface of the assembly opening 13, and the lower cover 50 and the assembly opening 13 are fixed through the clamping matching of the first clamping part 53 and the second clamping part 131; at this time, the water outlet table 42 extends into the yielding cavity 51, and the third clamping portion 422 and the fourth clamping portion 522 are in clamping fit, so that the assembly of the housing 10, the adapter 30, the water outlet pipe 40 and the lower cover 50 is completed, as shown in fig. 8;

then, as shown in fig. 11, the electromagnetic valve core 70 is assembled with the valve seat 60, the connection straight pipe 20 is inserted into the outlet 621 of the water passing cavity, the sensor 80 is adhered to the inner end face of the sensing window 14 through the adhesive layer 81, and the sensor 80 is connected with the electromagnetic valve core 70 through an electric wire, at this time, the assembly of the induction valve core assembly is completed;

finally, the valve seat 60 with the solenoid valve core 70 and the connecting straight pipe 20 is extended into the longitudinal cavity 11 from the bottom opening of the longitudinal cavity 11, and passes through the through hole 111 by a third screw 112 to be in threaded fit with the third screw hole 63 so as to fix the valve seat 60 with the housing 10, as shown in fig. 1.

Thus, the assembly of the induction tap is completed. In addition, the whole induction tap can prevent water and dust inside the induction tap through the sealing of the first sealing ring 43, the second sealing ring 524, the third sealing ring 113 and the fourth sealing ring 641, so that the service life of the electromagnetic valve core 70 or the sensor 80 is prolonged.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. An induction faucet structure, characterized by: it includes:

2. An induction tap structure as claimed in claim 1, wherein: the water outlet pipe comprises a straight water outlet pipe body and a water outlet platform which is fixedly connected to the tail end of the water outlet pipe body and is obliquely arranged, the head end of the water outlet pipe body is an inlet of the water outlet pipe, the water outlet platform forms an outlet of the water outlet pipe, and the bottom end of the water outlet platform extends into the abdicating cavity; and the top wall of the tail end of the transverse cavity is provided with a containing groove, and the top end of the water outlet table extends into the containing groove.

3. An induction tap structure as claimed in claim 2, wherein: the periphery of the water outlet table is provided with an annular first sealing groove, and a first sealing ring is arranged in addition and is sleeved in the first sealing groove and is in sealing contact fit with the inner wall of the yielding cavity.

4. An induction tap structure as claimed in claim 2, wherein: the top end of the water outlet table is provided with a fixed block, the fixed block is provided with a first penetrating groove, the bottom end of the accommodating groove is provided with a locking table, the locking table is provided with a first screw hole, and a first screw is arranged in addition and is screwed with the first screw hole after penetrating through the first penetrating groove so as to fix the water outlet pipe and the shell.

5. An induction tap structure as claimed in claim 2, wherein: the lower cover is upwards provided with a peripheral wall which abuts against the inner wall of the assembling opening; and, the wall is equipped with first joint portion around, the assembly opening inner wall is equipped with second joint portion, first joint portion and the cooperation of second joint portion looks joint are fixed with lower cover and assembly opening.

6. An induction tap structure as claimed in claim 5, wherein: go out water platform outside perisporium and be equipped with third joint portion, the wall still is equipped with fourth joint portion around, and third joint portion and fourth joint portion looks joint cooperation are in order to fix a position water platform and lower cover.

7. An induction tap structure as claimed in claim 5, wherein: the periphery of the wall around the sealing ring is provided with an annular second sealing groove, and a second sealing ring is arranged in addition and is sleeved in the second sealing groove and is in sealing contact fit with the inner wall of the assembly port.

8. An induction tap structure as claimed in claim 1, wherein: the adapter comprises a longitudinal connector and a transverse connector fixedly connected with the longitudinal connector, the bottom end of the longitudinal connector is opened to form an adapter inlet, and the tail end of the transverse connector is opened to form an adapter outlet; the peripheral wall of the longitudinal joint is provided with a lug, the lug is provided with a second through groove, the top end of the longitudinal cavity is provided with a cylinder extending downwards, the cylinder is provided with a second screw hole, and a second screw is additionally arranged and is in threaded connection with the second screw hole after penetrating through the second through groove so as to fixedly connect the adapter with the longitudinal cavity.

9. An induction tap structure as claimed in claim 8, wherein: the top end of the longitudinal joint is provided with a positioning boss, and the top end of the longitudinal cavity is provided with a positioning hole matched with the positioning boss in a positioning mode.

10. An induction tap structure as claimed in claim 8, wherein: the top end of the longitudinal cavity is also provided with a limiting block, the limiting block is concavely provided with a limiting groove, and the limiting groove abuts against the periphery of the transverse joint.

11. An induction tap structure as claimed in claim 1, wherein: the inductor is bonded with the inner end face of the induction window through a glue layer.

12. An induction tap structure as claimed in claim 1, wherein: and a third screw hole is formed in the side surface of the valve seat, a through hole is formed in the longitudinal cavity, a third screw is additionally arranged, and the third screw penetrates through the through hole and is in threaded fit with the third screw hole so as to fix the valve seat and the shell.

13. An induction tap structure as claimed in claim 12, wherein: and a third sealing ring is also arranged between the third screw and the through hole.

14. An induction tap structure as claimed in claim 1, wherein: the periphery of the bottom end of the valve seat is provided with an annular fourth sealing groove, and a fourth sealing ring is arranged in addition and is sleeved in the fourth sealing groove and is in sealing contact fit with the cavity wall at the bottom end of the longitudinal cavity.