CN210890273U

CN210890273U - Valve core seat fixing structure of extraction type faucet and extraction type faucet

Info

Publication number: CN210890273U
Application number: CN201921519570.6U
Authority: CN
Inventors: 卢文荣; 林继军
Original assignee: Pengwei Xiamen Industry Co ltd
Current assignee: Pengwei Xiamen Industry Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-30
Anticipated expiration: 2029-09-12

Abstract

A valve core seat fixing structure of a removable faucet and the removable faucet are formed by matching a faucet main body of the removable faucet and a valve core seat body, wherein the faucet main body consists of a main body middle through pipe with an upper opening and a lower opening and a valve core assembling pipe which is branched outwards from the side wall of the main body middle through pipe; the valve core seat body consists of a valve core seat and a fixed seat integrated with the valve core seat, the angle formed by the valve core seat and the fixed seat is consistent with the angle formed by the main body middle through pipe and the valve core assembling pipe, the valve core main body is locked in the main body middle through pipe by screws and positioning pins, and the valve core seat is just buckled in the branched valve core assembling pipe, so that the assembling effect with higher strength is realized.

Description

Valve core seat fixing structure of extraction type faucet and extraction type faucet

Technical Field

The utility model relates to a bathroom field, especially a case base fixed knot of extraction formula tap constructs and extraction formula tap.

Background

In order to facilitate the use of kitchen cleaning, the extraction type faucet is widely used in various countries of families in daily life, and the extraction type faucet can be stretched and reset in a certain size range by carrying a rear hose with the extraction type faucet, so that the convenience of use is provided for vast consumers;

because of the operational requirements of the extraction type faucet, a water mixing valve core is generally required to be arranged on the side wall branch pipe of the extraction type faucet, and a water pipe is arranged on the main body of the extraction type faucet, so that a valve core seat is often required to be assembled at the corner parts of the main body and the side wall branch pipe for fixing the water mixing valve core and connecting a water path, and the valve core seat is difficult to realize effective and powerful fixation on the valve core seat due to the fact that the corner of the corner part is not easy to bear force.

In the existing method, a structure which can be buckled or clamped is usually arranged between a valve core seat and a side wall branch pipe in the structure design to realize the matching of the valve core seat and the side wall branch pipe, a pulling and pulling water outlet head is used for a long time to drive an inner hose to slide, pulling force can be continuously generated on the valve core seat, but the valve core seat is weaker in bearing capacity, namely weak in strength and easy to fall off by simply utilizing the structural matching between the valve core seat and the side wall branch pipe; in addition, the matching precision between the valve core seat and the side wall branch pipe is required to be higher, a refined structural design needs to be made in the side wall branch pipe, if the precision is slightly deviated, the valve core placed in the side wall branch pipe is easily deviated, and a gap is easily caused by matching between the valve core and the valve core seat to leak water. It is therefore desirable to provide a more rational fit arrangement to address the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve core case fixed knot of extraction formula tap and extraction formula tap that valve core case and lateral wall branch pipe cooperation intensity are big and the required precision is low.

In order to achieve the above object, the solution of the present invention is: a valve core seat fixing structure of a removable faucet is formed by matching a faucet main body and a valve core seat body of the removable faucet, wherein the faucet main body consists of a main body middle through pipe with an upper opening and a lower opening and a valve core assembling pipe which is branched outwards from the side wall of the main body middle through pipe; the valve core seat body is formed by fixedly connecting a valve core seat and a fixed seat, an included angle is formed between the valve core seat and the fixed seat, the included angle is consistent with the included angle between a through pipe in the main body and a valve core assembling pipe, a water outlet channel and at least one water inlet channel are arranged from the valve core seat to the fixed seat in a penetrating mode, the water outlet channel and the water inlet channel are independent of each other, at the same time, at least one lug is arranged on the fixed seat, and a screw hole is formed in the; the inner wall of the through pipe in the main body is provided with at least one screw hole corresponding to the screw hole of the lug, when the valve core seat body is installed in the through pipe in the main body, the screw hole of the lug of the fixed seat is opposite to the screw hole of the inner wall of the through pipe in the main body and is locked through a screw so as to lock the valve core main body in the through pipe in the main body, the valve core seat is just locked in the branched valve core assembly pipe, and a relief part is formed between the fixed seat and the through pipe in the main body.

Furthermore, a yielding part is formed between the fixed seat and the through pipe in the main body, two sides of the fixed seat surrounding the yielding part are respectively provided with a lug, and the two lugs are respectively provided with a screw hole; two groups of screw holes are arranged at the corresponding positions of the inner wall of the through pipe in the main body, and the two groups of screw holes correspond to the screw holes of the two lugs of the fixed seat one by one; when the valve core seat body is installed in the main body through pipe, the two screw holes of the two lugs of the valve core seat body respectively correspond to the two screw holes on the inner wall of the main body through pipe and are locked by screws, and the valve core seat is just buckled in the branched valve core assembling pipes.

Furthermore, a positioning through hole is arranged beside the screw hole on the lug of the valve core seat body, and the positioning through hole is close to the screw hole; correspondingly, a positioning pin hole is arranged beside a screw hole in the through pipe in the main body and corresponds to a positioning through hole of a lug of the valve core seat body; when the valve core seat body is installed in the through pipe in the main body, the positioning through holes beside the screw holes correspond to the positioning pin holes in the through pipe in the main body, the positioning pins penetrate through the corresponding positioning through holes and the positioning pin holes, and when the screw holes of the lugs of the valve core seat body and the screw holes in the through pipe in the main body are mutually locked through a screw, the inner side of the screw cap of the screw abuts against the end part of the positioning pin, so that the positioning pin cannot fall off.

Furthermore, the locating pin is in interference fit when penetrating through the corresponding locating through hole and the locating pin hole.

Furthermore, a circle of upward flange is further arranged on the valve core seat, and external threads are arranged on the outer wall of the flange.

Furthermore, the siphunculus corresponds on the portion of stepping down between fixing base and the siphunculus in the main part and is equipped with a mounting hole, the mounting hole upwards link up in the main part in the siphunculus.

Further, a valve core positioning hole is formed in the valve core seat.

A removable faucet comprises a valve core seat fixing structure of any one of the removable faucets, wherein a water mixing valve core, a compression nut and a handle are further assembled with a valve core seat in a branched valve core assembly pipe, so that two water inlets of the water mixing valve core are communicated with two water inlet channels of the valve core seat body, a water outlet of the water mixing valve core is communicated with a water outlet channel of the valve core seat body, and the water mixing valve core is compressed and fixed on the valve core seat in the valve core assembly pipe by the compression nut; the upper end of the main body middle through pipe is further provided with a bent pipe upwards, a drawing water outlet head is detachably arranged at the outer end of the bent pipe, and the main body middle through pipe is also provided with an installation pin, two water inlet pipes and a mixed water outlet hose; two water inlet pipes and a mixed water outlet hose penetrate through a gap between the outer wall of the installation pin and the inner wall of the through pipe in the main body to align two water inlet channels at the bottom of the fixing seat of the valve core seat body and a water outlet channel to be respectively connected, and the other end of the mixed water outlet hose penetrates through the inside of the installation pin to further upwards penetrate through the bent pipe to be in sealed connection with the drawing water outlet head.

Furthermore, two positioning convex particles are arranged at the bottom of the water mixing valve core and are correspondingly inserted into the valve core positioning hole of the valve core seat.

Furthermore, an external pin is arranged additionally, the external pin can be assembled with the bottom of the installation pin, and the other end of the mixed water outlet hose penetrates from the bottom of the external pin and upwards penetrates through the inside of the installation pin to further upwards penetrate through the bent pipe and the pull water outlet head to realize sealed connection.

Furthermore, a sleeve is additionally arranged, internal threads are respectively arranged on the upper portion and the lower portion of the inner wall of the sleeve, the internal threads on the lower portion are fixedly connected with the external threads on the outer wall of the flange of the valve core seat in a threaded mode to form a valve core cavity, external threads are also arranged at the bottom of the compression nut, the water mixing valve core is aligned with the water path and is positioned and assembled in the valve core cavity, and the compression nut is further screwed on the sleeve through the external threads on the bottom to fix the water mixing valve core.

Furthermore, the upper part of the compression nut is provided with a necking with outer wall threads, and a decorative ring cover is screwed outside the necking.

Furthermore, the length of the mixed water outlet hose meets the drawing length requirement of a drawing water outlet head communicated with the mixed water outlet hose.

Furthermore, the inner wall of the upper end of the through pipe in the main body is provided with a circle of step edges, the joint is provided with a joint, the outer wall of the joint close to the bottom is provided with a circle of convex edges, an annular groove is formed between the convex edges and the bottom of the outer wall of the joint, the bottom of the joint is inserted above the through pipe in the main body, the circle of step edges of the inner wall of the upper end of the through pipe in the main body is just buckled into the annular groove of the outer wall of the bottom of the joint and is abutted against the circle of convex edges of the joint, and meanwhile, a mounting pipe pin penetrates through a position-giving part in the through pipe in; the outer wall of the upper part of the joint is provided with two sealing ring grooves for placing two O-rings, the part of the joint between the lower part of the sealing ring grooves and the upper part of the convex edge is thin, a cylindrical clamping sleeve is sleeved at the thin part, the bent pipe is installed downwards, and the joint together with the clamping sleeve outside the joint is sleeved inside the lower part of the bent pipe; the side wall of the cutting sleeve is provided with a longitudinally penetrating notch.

After the scheme is adopted, the stability of the valve core seat body between the faucet bodies is greatly enhanced by utilizing the corresponding screw locking and further designed positioning pins arranged between the valve core seat body and the faucet bodies, the installation of the valve core seat body is not limited by a valve core assembling pipe on the side wall of the faucet body, only the valve core seat faces towards the inside of the valve core assembling pipe, a valve core cavity is formed by utilizing the sleeve and the valve core seat, the matching between the sleeve and the valve core seat is not influenced by the side wall branch pipe, and no fine structural design requirement exists on the inside of the side wall branch pipe, so that the industrial manufacturing is easy; and utilize the installation pin to lead mixed water hose spacing, do benefit to the isolation of mixed water hose and inlet tube, be difficult for producing the interference at the pull process, promoted the use impression of product.

Drawings

Fig. 1 is a first schematic diagram of an explosion of an embodiment of the present invention;

FIG. 2 is a schematic perspective sectional view of an embodiment of the present invention;

FIG. 3 is an assembly schematic of an embodiment of the present invention;

fig. 4 is an exploded view of the second embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of an embodiment of the invention;

FIG. 6 is a schematic perspective sectional view II of the embodiment of the present invention;

fig. 7 is a schematic view of a joint and ferrule combination according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Example (b):

as shown in fig. 1 to 7, a valve core seat fixing structure 10 of a removable faucet is formed by matching a faucet body 1 and a valve core seat body 2 of the removable faucet, wherein the faucet body 1 is composed of a main body central through pipe 11 with an upper opening and a lower opening and a valve core assembling pipe 12 which is branched outwards from the side wall of the main body central through pipe 11; the valve core seat body 2 consists of a valve core seat 21 and a fixed seat 22 integrated with the valve core seat 21, the angle formed by the valve core seat 21 and the fixed seat 22 is consistent with the angle formed by a main body middle through pipe 11 and a valve core assembly pipe 12, three mutually

independent water channels

31, 32 and 33 are arranged inside the valve core seat body 2, wherein 31 is a water outlet channel, 32 and 33 are water inlet channels, the

water channels

31, 32 and 33 are communicated to the fixed seat 22 along the valve core seat 21, a yielding part 221 is formed between the fixed seat 22 and the main body middle through pipe 11, two convex lugs 222 are respectively arranged on two sides of the fixed seat 22 surrounding the yielding part 221, a screw hole 223 is respectively arranged on each convex lug 222, a positioning through hole 224 is respectively arranged beside each screw hole 223, and the screw holes 223 are close to the positioning through holes 224; two sets of screw holes 111 are arranged at corresponding positions on the inner wall of the through pipe 11 in the main body, a positioning pin hole 112 is respectively arranged beside each screw hole 111, and the two sets of screw holes 111 and the positioning pin holes 112 are respectively in one-to-one correspondence with the two screw holes 223 and the positioning through holes 224 of the lugs 222 of the fixing seat 22; as shown in fig. 3, when the valve core seat body 2 is installed in the main body through pipe 11, the two screw holes 223 of the two lugs 222 of the valve core seat body 2 respectively correspond to the two screw holes 111 in the main body through pipe 11, the two positioning through holes 224 of the valve core seat body 2 respectively correspond to the two positioning pin holes 112 in the main body through pipe 11, the two positioning pins respectively pass through the corresponding positioning through holes and positioning pin holes through interference fit, the positioning through holes 224 and positioning pin holes 112 are tightly assembled together, the two screws 4 respectively pass through the corresponding screw holes 223 and the screw holes 111 to be locked, the inner side of the nut 41 of the screw 4 is upwardly abutted against the end of the positioning pin 5, so that the positioning pin 5 cannot fall off, and the valve core seat 21 is just fastened and faces the branched valve core assembling pipe 12 to achieve assembly. Be equipped with one and let circular mounting hole 113 that the position part 221 corresponds between two sets of screw holes 111 of siphunculus inner wall in the main part, circular mounting hole 113 upwards link up in siphunculus 11 in the main part.

A circle of upward flange 211 is further arranged on the valve core seat 21, and the outer wall of the flange 211 is provided with external threads.

As shown in fig. 1 and 4-6, a removable faucet includes a valve core seat fixing structure 10 of the removable faucet, a sleeve 96, a water mixing valve core 6, a compression nut 7, a decorative ring cover 97 and a handle 8 are further assembled in the branched valve core assembly pipe 12 and the valve core seat 21, two valve core positioning holes 212 are further arranged on the valve core seat 21, the sleeve 96 is cylindrical, the upper and lower parts of the inner wall of the valve core seat 21 are respectively provided with internal threads, the internal threads at the lower part are fixed with the external threads of the outer wall of the flange 211 of the valve core seat in a threaded manner, thereby forming a valve core cavity, further placing the water mixing valve core 6 into the valve core cavity, realizing the positioning by utilizing the positioning structure at the bottom of the water mixing valve core 6 and the valve core positioning hole 212, two water inlets of the water mixing valve core are communicated with two

water inlet channels

32 and 33 of the valve core seat 21, and a water outlet of the water mixing valve core is communicated with a water outlet channel 31 of the valve core seat 21;

the bottom of the compression nut 7 is provided with external threads 71, the upper part of the compression nut is provided with a necking 72 with threads on the outer wall, and the compression nut 7 is further screwed in the sleeve 96 by utilizing the external threads 71 on the bottom so as to compress and fix the water mixing valve core 6 in the valve core cavity; the decorative ring cover 97 is screwed outside the necking neck 72 to play a decorative role; the handle 8 is arranged outside the decorative ring cover 97, and the thermostatic cartridge adjusting head 61 is locked inside the decorative ring cover by a screw 81 to realize assembly.

The upper end of the main body middle through pipe 11 is further provided with a joint 13, a bent pipe 9 and a drawing water outlet 91 which is propped against the outer end of the bent pipe 9 and can be freely taken and placed; a mounting pin 92, two water inlet pipes 93, a mixed water outlet hose 94 and an external pin 95;

the inner wall of the upper end of the through pipe 11 in the main body is provided with a circle of step edges 114, the joint 13 is hollow cylindrical, the outer wall of the joint 13 close to the bottom is provided with a circle of convex edges 131, an annular groove 132 is formed between the convex edges 131 and the bottom of the outer wall of the joint 13, the bottom of the joint 13 is inserted into the upper part of the through pipe 11 in the main body, and the circle of step edges 114 of the inner wall of the upper end of the through pipe 11 in the main body is just buckled into the annular groove 132 of the outer wall of the bottom of the joint 13 and is propped;

as shown in fig. 7, the upper outer wall of the joint 13 is provided with two sealing ring grooves 133 for placing two O-rings 1331, the part of the joint 13 between the sealing ring groove 133 and the flange 131 is thin, a cutting sleeve 14 is cylindrical, the cylindrical side wall is provided with a longitudinally penetrating notch 141, the cutting sleeve 14 is sleeved on the thin part 134, the elbow 9 is installed downwards, the joint 13 is assembled inside the lower part of the elbow 9 together with the cutting sleeve 14 outside the joint 13, and the joint 13 utilizes the friction force of the two O-rings 1331 to realize the stability with the elbow 9.

The mounting pin 92 passes through the relief part 221 and is inserted upwards into the circular mounting hole 113 inside the through pipe 11 in the main body through pipe 11 to realize communication with the joint 13;

two water inlet pipes 93 and a mixed water outlet hose 94 penetrate through a gap between the outer wall of the mounting pin 92 and the inner wall of the through pipe 11 in the main body, wherein the two water inlet pipes 93 are respectively aligned with the

water inlet passages

32 and 33 at the bottom of the fixed seat 22 to be connected, and the mixed water outlet hose 94 is aligned with the water outlet passage 31 at the bottom of the fixed seat 22 to be connected; and the other end of the mixed water outlet hose 94 penetrates from the bottom of the external pin 95, upwards penetrates through the inside of the mounting pin 92 and further upwards penetrates through the elbow 9 and is communicated with the pull-out water outlet head 91 to realize water path communication.

The length of the mixed water outlet hose 94 meets the drawing length requirement of the drawing water outlet head 91 of the drawing faucet, and a balancing weight (not shown) is arranged at the bottom of the mixed water outlet hose 94 in a penetrating manner.

When needing to use, utilize the handle to open the tap water route and mix water play water, take off pull outlet head 91 from the outer end of return bend 9 in addition, outside pull to the use length of needs, can use, use up and release pull outlet head 91, receive the dilatory effect of balancing weight, mix outlet hose 94 and back pull, drive pull outlet head 91 and reply the outer end of return bend 9, realize resetting.

The above description is only an embodiment of the present invention, and is not a limitation on the design of the present application, and all equivalent changes made according to the design key of the present application fall within the protection scope of the present application.

Claims

1. The utility model provides a valve core seat fixed knot of extraction formula tap constructs, for the cooperation of extraction formula tap's tap main part (1), valve core seat body (2), its characterized in that: the tap main body (1) consists of a main body middle through pipe (11) with an upper opening and a lower opening and a valve core assembly pipe (12) which is branched outwards from the side wall of the main body middle through pipe (11); the valve core seat body (2) is formed by fixedly connecting a valve core seat (21) and a fixed seat (22) with each other, an included angle is formed between the valve core seat (21) and the fixed seat (22), the included angle is consistent with the included angle between a through pipe (11) in the main body and a valve core assembling pipe (12), a water outlet channel (31) and at least one water inlet channel are arranged from the valve core seat (21) to the fixed seat (22) in a penetrating way, the water outlet channel and the water inlet channel are independent from each other, at least one lug (222) is arranged on the fixed seat (22), and a screw hole (223) is formed in the lug (222); the inner wall of the through pipe (11) in the main body is provided with at least one screw hole (111) corresponding to the screw hole (223) of the lug (222), when the valve core seat body (2) is installed in the through pipe (11) in the main body, the screw hole (223) of the lug (222) of the fixed seat (22) is opposite to the screw hole (111) of the inner wall of the through pipe (11) in the main body and is locked through a screw (4) so as to lock the valve core main body in the through pipe (11) in the main body, the valve core seat (21) is just locked in the branched valve core assembly pipe (12), and a relief part (221) is formed between the fixed seat (22) and the through pipe (11) in the main body.

2. The valve core seat fixing structure of a removable faucet as recited in claim 1, wherein: a relief part (221) is formed between the fixed seat (22) and the through pipe (11) in the main body, two sides of the fixed seat (22) surrounding the relief part (221) are respectively provided with a lug (222), and the two lugs (222) are respectively provided with a screw hole (223); two groups of screw holes (111) are arranged at corresponding positions of the inner wall of the through pipe (11) in the main body, and the two groups of screw holes (111) correspond to screw holes (223) of two lugs (222) of the fixed seat (22) one by one; when the valve core seat body (2) is installed in the main body through pipe (11), the two screw holes (223) of the two lugs (222) of the valve core seat body (2) respectively correspond to the two screw holes (111) on the inner wall of the main body through pipe (11) and are locked by screws (4), and the valve core seat (21) is just buckled in the branched valve core assembly pipe (12).

3. The valve core seat fixing structure of a removable faucet as recited in claim 1, wherein: a positioning through hole (224) is arranged beside a screw hole (223) on a lug (222) of the valve core seat body (2), and the positioning through hole (224) is close to the screw hole (223); correspondingly, a positioning pin hole (112) is formed beside a screw hole (111) in a through pipe (11) in the main body, and the positioning pin hole (112) corresponds to a positioning through hole (224) of a lug (222) of the valve core seat body (2); when the valve core seat body (2) is installed in the through pipe (11) in the main body, the positioning through hole (224) beside the screw hole (223) corresponds to the positioning pin hole (112) in the through pipe (11) in the main body, the positioning pin (5) penetrates through the corresponding positioning through hole (224) and the positioning pin hole (112), and when the screw hole (223) of the lug (222) of the valve core seat body (2) and the screw hole (111) in the through pipe (11) in the main body are mutually locked through the screw (4), the inner side of the nut (41) of the screw (4) abuts against the end part of the positioning pin (5), so that the positioning pin (5) cannot fall off.

4. The valve core seat fixing structure of a removable faucet as recited in claim 3, wherein: the positioning pin (5) is in interference fit when penetrating through the corresponding positioning through hole (224) and the positioning pin hole (112).

5. The valve core seat fixing structure of a removable faucet as recited in claim 1, wherein: and a circle of upward flange (211) is further arranged on the valve core seat (21), and an external thread is arranged on the outer wall of the flange (211).

6. The valve core seat fixing structure of a removable faucet as recited in claim 1, wherein: the main body middle through pipe (11) is correspondingly provided with a mounting hole (113) on a relief part (221) between the fixed seat (22) and the main body middle through pipe (11), and the mounting hole (113) upwards penetrates through the main body middle through pipe (11).

7. The valve core seat fixing structure of a removable faucet as recited in claim 1, wherein: and a valve core positioning hole (212) is formed in the valve core seat (21).

8. An extraction faucet, characterized in that: the valve core seat fixing structure comprising the extraction type faucet as claimed in any one of claims 1 to 7, wherein a water mixing valve core (6), a compression nut (7) and a handle (8) are further assembled with the valve core seat (21) in the branched valve core assembly pipe (12), so that two water inlets of the water mixing valve core (6) are communicated with two water inlet channels (32,33) of the valve core seat body (2), a water outlet of the water mixing valve core (6) is communicated with a water outlet channel (31) of the valve core seat body (2), and the water mixing valve core (6) is compressed and fixed on the valve core seat (21) in the valve core assembly pipe (12) by the compression nut (7); the upper end of the main body middle through pipe (11) is further provided with an elbow pipe (9) upwards, the outer end of the main body middle through pipe (11) is detachably provided with a drawing water outlet head (91), the main body middle through pipe is also provided with an installation pin (92), two water inlet pipes (93) and a mixed water outlet hose (94), and the installation pin (92) passes through the position-giving part (221) and the installation hole (113) in the main body middle through pipe (11) and is communicated with the elbow pipe (9); two water inlet pipes (93) and a mixed water outlet hose (94) pass through a gap between the outer wall of the installation pin (92) and the inner wall of the through pipe (11) in the main body and are aligned with two water inlet channels (32,33) and a water outlet channel (31) at the bottom of the fixing seat (22) of the valve core seat body (2) to be respectively connected, and the other end of the mixed water outlet hose (94) further passes through the inside of the installation pin (92) upwards to pass through the bent pipe (9) to be in sealed connection with the drawing water outlet head (91).

9. The draw-off faucet of claim 8, wherein: the bottom of the water mixing valve core (6) is provided with two positioning convex particles which are correspondingly inserted into a valve core positioning hole (212) of the valve core seat (21).

10. The draw-off faucet of claim 8, wherein: and the other end of the mixed water outlet hose (94) penetrates from the bottom of the external pin (95) and upwards penetrates through the inside of the mounting pin (92) and further upwards penetrates through the bent pipe (9) to be communicated with the drawing water outlet head (91) in a sealing manner.

11. The draw-off faucet of claim 8, wherein: and the upper part and the lower part of the inner wall of the sleeve (96) are respectively provided with an internal thread, the internal thread at the lower part is in threaded connection and fixed with the external thread at the outer wall of the flange (211) of the valve core seat (21) to form a valve core cavity, the bottom of the compression nut (7) is also provided with an external thread (71), the water mixing valve core (6) is aligned with the water path and positioned and assembled in the valve core cavity, and the compression nut (7) is further screwed in the sleeve (96) by utilizing the external thread (71) at the bottom to compress and fix the water mixing valve core (.

12. The draw-off faucet of claim 11, wherein: the upper part of the compression nut (7) is provided with a necking (72) with outer wall threads, and a decorative ring cover (97) is screwed outside the necking (72).

13. The draw-off faucet of claim 8, wherein: the length of the mixed water outlet hose (94) meets the drawing length requirement of a drawing water outlet head (91) communicated with the mixed water outlet hose.

14. The draw-off faucet of claim 8, wherein: the inner wall of the upper end of the through pipe (11) in the main body is provided with a circle of step edges (114), a joint (13) is further arranged, the outer wall of the joint (13) close to the bottom is provided with a circle of convex edges (131), an annular groove (132) is formed between the convex edges (131) and the bottom of the outer wall of the joint (13), the bottom of the joint (13) is inserted into the upper part of the through pipe (11) in the main body, the circle of step edges (114) of the inner wall of the upper end of the through pipe (11) in the main body is just buckled into the annular groove (132) of the outer wall of the bottom of the joint (13) and is abutted against the circle of convex edges (131) of the joint (13), and meanwhile, the mounting pin (92) penetrates through a position-giving part (221) in the through pipe (11) in the main body to be upwards; the outer wall of the upper part of the joint (13) is provided with two sealing ring grooves (133) for placing two O-rings (1331), the part of the joint (13) between the part below the sealing ring grooves (133) and the part above the convex edge (131) is fine, a cylindrical clamping sleeve (14) is sleeved at the fine part, the elbow (9) is installed downwards, and the joint (13) together with the clamping sleeve (14) outside the joint (13) is sleeved inside the lower part of the elbow (9); the side wall of the cutting sleeve (14) is provided with a longitudinally penetrating notch (141).