CN221276756U - Tap connection structure - Google Patents

Abstract

The utility model discloses a faucet connecting structure which comprises a faucet, a protective sleeve, a water inlet adapter seat and a hard connecting water pipe. The hard connecting water pipe plays a role in connection and fixation, specifically, the connecting water pipe penetrates through the protection sleeve, the upper end of the connecting water pipe is connected with the faucet water inlet pipe of the faucet, the lower end of the connecting water pipe is connected with the water inlet adapter seat and locked, meanwhile, the protection sleeve is clamped between the faucet water inlet pipe and the water inlet adapter seat, the upper end and the lower end of the protection sleeve do not need to be specially fixed, the installation steps are simplified, and the installation efficiency is improved. The upper end and the lower end of the protection sleeve are not provided with an external leakage connecting structure, a user cannot collide with the protection sleeve in the process of scrubbing the protection sleeve, the cleaning process is smooth, the cleaning operation of the user is convenient, the shape of the protection sleeve is not limited to a circular tube any more, the protection sleeve has multiple selectivity, and the appearance of a product is enriched.

Description

Tap connection structure

Technical Field

The utility model relates to the technical field of bathroom faucets, in particular to a faucet connecting structure.

Background

In the bathroom industry, the faucet of the floor bathtub mostly adopts a split structure, and comprises a faucet main body, a protective pipe and a water inlet hose. The water inlet hose penetrates through the protective tube, the upper end of the water inlet hose is connected with the water channel of the faucet main body, and the lower end of the water inlet hose is connected with the water channel of the base. The upper end of the protection tube is fixedly connected with the tap main body, and the lower end of the protection tube is fixedly connected with the base.

In the prior art, the water inlet hose cannot play a role in connection and fixation, so that the upper end and the lower end of the protection tube are fixedly connected to be stably supported between the base and the faucet main body. When in installation, after the upper end and the lower end of the water inlet hose are connected, a user also needs to fix the upper end and the lower end of the protective tube respectively, so that the assembly steps are more and the efficiency is low.

In the prior art, one connection mode of the protective tube is as follows: locking screws are arranged on the pipe walls of the upper end and the lower end of the protective pipe so as to be locked with the tap main body and the base. The screw head of locking screw leaks in the outside, influences the outward appearance, and the user always runs into the screw head that leaks outward when clean, appears colliding with the phenomenon, and is clean inconvenient.

Another connection mode of the protective tube is as follows: the upper and lower ends of the protective tube are connected with the faucet main body and the base through threads, and non-circular tubes such as square tubes and elliptical tubes are not suitable for directly processing threads, so that the protective tube adopting threaded connection can only generally adopt circular tubes, and the product appearance is single.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, and provides a novel faucet connecting structure, which adopts a hard connecting water pipe, and after the connecting water pipe is connected with a faucet water inlet pipe and a water inlet adapter, a protection sleeve is clamped between the faucet water inlet pipe and the water inlet adapter, so that the upper end and the lower end of the protection sleeve do not need to be specially fixed, the installation step is simplified, the installation efficiency is improved, the protection sleeve is convenient for a user to clean, the shape of the protection sleeve is not limited to a circular pipe, the protection sleeve has multiple selectivity, and the appearance of a product is enriched.

The technical scheme of the utility model provides a faucet connecting structure which comprises a faucet, a protective sleeve, a water inlet adapter and a hard connecting water pipe;

The connecting water pipe penetrates through the protection sleeve, the upper end of the connecting water pipe is connected with a tap water inlet pipe of the tap, the lower end of the connecting water pipe is connected with the water inlet adapter seat and locked, and the protection sleeve is clamped between the tap water inlet pipe and the water inlet adapter seat.

In one of the alternative technical schemes, the water inlet adapter comprises an embedded base and an adapter;

the embedded base is provided with a base groove with an upward opening and a base water channel communicated with the base groove;

The adapter is provided with a joint water channel;

the adapter is detachably arranged in the base groove, and the adapter water channel is communicated with the base water channel;

The lower end of the connecting water pipe is detachably connected with the adapter and is communicated with the adapter water channel;

the protection sleeve is clamped between the faucet water inlet pipe and the adapter.

In one optional technical scheme, the adapter is provided with a joint groove with an upward opening and communicated with the joint water channel, a lock nut is arranged in the joint groove, and a joint top cover for pressing the lock nut is arranged at the top of the adapter;

The lower end of the protection sleeve is positioned on the joint top cover, and the lower end of the connecting water pipe penetrates through the joint top cover and the lock nut and is in butt joint with the joint water channel;

The locking nut is in threaded connection with the lower end of the connecting water pipe, and compresses the joint top cover and the protective sleeve.

In one alternative, a sleeve inner ring is arranged in the lower end of the protective sleeve, and a locking screw is assembled in the joint groove, passes through the joint top cover and is connected with the sleeve inner ring.

In one of the alternative technical schemes, a jacking pin is arranged on the groove wall of the joint groove;

The end of the jacking pin stretches into the joint groove and jacks the locking screw.

In one alternative, a groove wall recess is formed in the groove wall of the joint groove, at least part of the head of the locking screw is located in the groove wall recess, and the jacking pin jacks the head of the locking screw.

In one optional technical scheme, the top of the embedded base is connected with a base compression ring;

The base clamping ring is pressed on the connector top cover and is connected with the embedded base through a connecting screw.

In one optional technical scheme, two connecting water pipes are connected between the faucet water inlet pipe and the water inlet adapter;

The faucet water inlet pipe comprises two water inlet pipe water channels which are arranged at intervals, the embedded base is provided with two base water channels which are arranged at intervals, and the adapter is provided with two adapter water channels which are arranged at intervals;

the two water connecting channels are correspondingly butted with the two water base channels, and the two water connecting pipes are correspondingly connected with the two water connecting channels and the two water inlet pipe channels.

In one optional technical scheme, a water storage cavity is formed between the bottom of the adapter and the bottom of the base groove;

the bottom surface of the adapter is provided with a bottom water inlet communicated with one adapter water channel, and the bottom water inlet is communicated with the water storage cavity;

The circumference of the adapter is provided with a side water inlet communicated with the other adapter water channel, and the side water inlet extends along the circumference of the adapter;

One water outlet of the base water channel is communicated with the water storage cavity, and the other water outlet of the base water channel is communicated with the side water inlet.

By adopting the technical scheme, the method has the following beneficial effects:

The utility model provides a faucet connecting structure which comprises a faucet, a protective sleeve, a water inlet adapter and a hard connecting water pipe. The hard connecting water pipe plays a role in connection and fixation, specifically, the connecting water pipe penetrates through the protection sleeve, the upper end of the connecting water pipe is connected with the faucet water inlet pipe of the faucet, the lower end of the connecting water pipe is connected with the water inlet adapter seat and locked, meanwhile, the protection sleeve is clamped between the faucet water inlet pipe and the water inlet adapter seat, the upper end and the lower end of the protection sleeve do not need to be specially fixed, the installation steps are simplified, and the installation efficiency is improved. The upper end and the lower end of the protection sleeve are not provided with an external leakage connecting structure, a user cannot collide with the protection sleeve in the process of scrubbing the protection sleeve, the cleaning process is smooth, the cleaning operation of the user is convenient, the shape of the protection sleeve is not limited to a circular tube any more, the protection sleeve has multiple selectivity, and the appearance of a product is enriched.

Drawings

The present disclosure will become more readily understood with reference to the accompanying drawings. It should be understood that: the drawings are for illustrative purposes only and are not intended to limit the scope of the present utility model. In the figure:

FIG. 1 is a perspective view of a faucet coupling structure according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a faucet coupling structure according to one embodiment of the present utility model;

FIG. 3 is a perspective view of the pre-buried base;

FIG. 4 is a cross-sectional view of the pre-buried base;

FIG. 5 is a perspective view of an adapter;

FIG. 6 is a cross-sectional view of the adapter;

FIG. 7 is a cross-sectional view of the upper end of the protective sleeve, connecting water tube, and faucet inlet tube;

FIG. 8 is a cross-sectional view of the lower end of the protective sleeve, connecting water pipe, and the water inlet adapter;

FIG. 9 is a schematic view of the adapter of FIG. 8 rotated 180;

FIG. 10 is an exploded view of the connector top cap, adapter and auxiliary locking mechanism;

Fig. 11 is a cross-sectional view of the auxiliary locking mechanism locking the adapter and the protective sleeve.

Detailed Description

Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

As shown in fig. 1-2 and fig. 7-8, an embodiment of the present utility model provides a faucet connection structure, which includes a faucet 1, a protection sleeve 2, a water inlet adapter 3, and a hard connection water pipe 4.

The connecting water pipe 4 passes through the protective sleeve 2, the upper end of the connecting water pipe 4 is connected with the tap water inlet pipe 11 of the tap 1, the lower end of the connecting water pipe 4 is connected with the water inlet adapter 3 and locked, and the protective sleeve 2 is clamped between the tap water inlet pipe 11 and the water inlet adapter 3.

The faucet connecting structure is mainly used for waterway connection of a floor bathtub.

The faucet connecting structure comprises a faucet 1, a protective sleeve 2, a water inlet adapter 3 and a hard connecting water pipe 4.

The tap 1 is a conventional tap, having a tap inlet pipe 11 at the bottom.

The protective sleeve 2 is typically a metal protective tube, which may be selected from a circular tube, a square tube, an oval tube, or other shaped protective tube.

The water inlet adapter 3 is arranged on the ground or a wall body, and can be pre-buried in the ground or the wall body so as to be connected with a water pipe of a building, thereby playing a role of adapting a waterway.

The hard connecting water pipe 4 is a metal water pipe generally, which has the function of connecting water paths on one hand and the function of connecting and fixing on the other hand.

When in assembly, the connecting water pipe 4 passes through the protective sleeve 2, the upper end of the connecting water pipe is connected with the faucet water inlet pipe 11, the lower end of the connecting water pipe is connected with the water inlet adapter 3 and locked, and the connecting water pipe 4 is communicated with a water channel or a flow channel of the water inlet adapter 3. When the tap 1 is opened, water enters the connecting water pipe 4 through the water channel of the water inlet adapter 3, then enters the tap water inlet pipe 11, and finally flows out from the nozzle of the tap 1.

When the lower end of the connecting water pipe 4 is locked with the water inlet adapter 3, the protection sleeve 2 is clamped between the faucet water inlet pipe 11 and the water inlet adapter 3, the upper end and the lower end of the protection sleeve 2 do not need to be specially fixed, the installation steps are simplified, and the installation efficiency is improved.

The upper end and the lower end of the protection sleeve 2 are not provided with an externally leaked connecting structure, so that a user cannot collide with the protection sleeve 2 in the process of scrubbing the protection sleeve, the cleaning process is smooth, and the cleaning operation of the user is facilitated.

Because the protection sleeve 2 is clamped between the tap water inlet pipe 11 and the water inlet adapter 3, the shape of the protection sleeve is not limited to a round pipe, and a user can select a round pipe, a square pipe, an elliptic pipe and the like according to the shape of the connecting part of the tap water inlet pipe 11 and the water inlet adapter 3, so that the protection sleeve is more in selectivity, and the appearance of a product is enriched.

The upper end of the connecting water pipe 4 may be screwed with the tap water inlet pipe 11, for example, an external thread is provided at the upper end of the connecting water pipe 4, and an internal thread is provided in the lower end opening of the tap water inlet pipe 11. The upper end of the connection water pipe 4 may also be connected to the tap water inlet pipe 11 through a structure such as a clip, a knock pin, etc., for example, the upper end of the connection water pipe 4 is inserted into the opening of the lower end of the tap water inlet pipe 11, the knock pin is provided on the pipe wall of the tap water inlet pipe 11 to push against the upper end of the connection water pipe 4, or an elastic clip is provided between the tap water inlet pipe 11 and the upper end of the connection water pipe 4 to clamp the upper end of the connection water pipe 4.

Similarly, the lower end of the connecting water pipe 4 is in threaded connection with the water inlet adapter 3 and is locked by a nut, or the lower end of the connecting water pipe 4 is connected and locked with the water inlet adapter 3 through a clamp, a top pin and other structures, and the connection mode is similar to that of the upper end of the connecting water pipe 4 and is not described in detail.

Two connecting water pipes 4 may be provided for supplying cold water and hot water, respectively, as needed.

Sealing rings are respectively arranged at the upper end and the lower end of the connecting water pipe 4 according to the requirement so as to improve the sealing performance.

In one embodiment, as shown in fig. 3-6 and 8, the water intake adapter 3 includes a pre-buried base 31 and an adapter 32.

The pre-buried base 31 has a base recess 311 opened upward and a base waterway 312 communicating with the base recess 311.

The adapter 32 has an adapter waterway 322.

Adapter 32 is removably mounted in base recess 311 with adapter waterway 322 in communication with base waterway 312.

The lower end of the connecting water pipe 4 is detachably connected with the adapter 32 and is communicated with the adapter water channel 322.

The protective sleeve 2 is clamped between the tap inlet pipe 11 and the adapter 32.

In this embodiment, the water inlet adapter 3 includes a pre-buried base 31 and an adapter 32, where the pre-buried base 31 is pre-buried in a floor or a wall to be connected with a water pipe in the floor or the wall. The adapter 32 is used for connecting with the lower end of the connecting water pipe 4 and pushing up the protective sleeve 2.

The pre-buried base 31 has a base recess 311, which opens upward. The base recess 311 is used to fit the adapter 32. A base waterway 312 is provided around or at the bottom of the base recess 311 in the pre-buried base 31 for connection with a water pipe buried in the floor or wall. The water outlet of the base waterway 312 is positioned on the groove wall or bottom plate of the base groove 311 to communicate water with the connector waterway 322 of the adapter 32.

The adapter 32 has a connector water channel 322 which penetrates the upper and lower surfaces of the adapter 32, and the water inlet of the connector water channel 322 may be disposed on the side of the adapter 32.

When in assembly, the upper end of the connecting water pipe 4 is connected and fixed with the tap water inlet pipe 11.

The lower end of the connecting water pipe 4 is connected with the adapter 32 and locked, the connecting water pipe 4 is communicated with the adapter water channel 322, and the protection sleeve 2 is clamped between the faucet water inlet pipe 11 and the adapter 32. Specifically, the lower end of the connecting water pipe 4 can be in threaded connection with the adapter 32 and locked by a nut, and the lower end of the connecting water pipe 4 is inserted into the adapter water channel 322; the lower end of the connecting water pipe 4 can be connected and locked with the adapter 32 through a clamp and a top pin, and the lower end of the connecting water pipe 4 is inserted into the adapter water channel 322.

Finally, the adapter 32 is installed in the base groove 311, and the water inlet of the adapter water channel 322 is communicated with the water outlet of the base water channel 312. The adapter 32 may be fixed by a gland, or may be connected in the base recess 311 by a buckle, a knock pin, a screw, or the like.

In one embodiment, as shown in fig. 2, 5-6 and 8, the adapter 32 has a connector recess 321 that opens upward and communicates with a connector water channel 322, a lock nut 33 is disposed in the connector recess 321, and a connector top cover 34 for pressing the lock nut 33 is disposed on top of the adapter 32.

The lower end of the protection sleeve 2 is positioned on the joint top cover 34, and the lower end of the connecting water pipe 4 passes through the joint top cover 34 and the locking nut 33 and is in butt joint with the joint water channel 322.

The lock nut 33 is screwed with the lower end of the connecting water pipe 4, and compresses the joint top cover 34 with the protection sleeve 2.

In this embodiment, the adapter 32 has a connector recess 321 with an upward opening. A lock nut 33 is provided in the joint groove 321 for screw-coupling with the lower end of the connection water pipe 4. The top of the adapter 32 is provided with a joint top cover 34 for pressing the lock nut 33 and tightening the protective sleeve 2. The connector top cover 34 and the adapter 32 may be connected by a snap, a knock pin, a screw, or the like.

The joint top cover 34 is provided with a first through hole 341 for connecting the water pipe 4 therethrough. The diameter of the lock nut 33 is larger than the aperture of the first through hole 341, and the lock nut 33 does not pass through the first through hole 341.

When assembled, the lower end of the connecting water pipe 4 passes through the first through hole 341 and the lock nut 33, and then is butted with the joint waterway 322. The lock nut 33 is then tightened to compress the connector top cap 34 against the protective sleeve 2, thereby clamping the protective sleeve 2 between the faucet water inlet tube 11 and the connector top cap 34 for ease of assembly.

In one of the embodiments, as shown in fig. 10-11, a sleeve inner ring 21 is provided in the lower end of the protection sleeve 2, and a locking screw 37 is fitted in the joint groove 321, the locking screw 37 passing through the joint top cover 34 and being connected to the sleeve inner ring 21.

In this embodiment, in order to further improve the stability of the protection sleeve 2, the lower end of the protection sleeve 2 is provided with an inner sleeve ring 21, and the inner sleeve ring 21 is provided with an internal threaded hole.

The joint top cover 34 is provided with a second through hole 342 for the passage of the locking screw 37.

The locking screw 37 is disposed in the joint recess 321, the head of the locking screw 37 is located in the joint recess 321 and below the joint top cover 34, and the tail end of the locking screw 37 passes through the second through hole 342 and is connected to the internally threaded hole of the sleeve inner ring 21.

In this embodiment, the locking screw 37 is positioned in the joint groove 321, and is not leaked, so that the cleaning of the protective sleeve 2 by a user is not affected.

In this embodiment, although the lower end of the protection sleeve 2 is fixed, the fixing manner is relatively simple, after the user locks the lower end of the connection water pipe 4, the sleeve inner ring 21 can be fixed by the locking screw 37, the locking screw is not required to be fastened from the side or the protection sleeve 2 is not required to be rotated as in the prior art, the assembly efficiency is still improved, and the connection stability is improved.

In one embodiment, as shown in fig. 10-11, a knock pin 38 is provided on the groove wall of the joint groove 321. The end of the tightening pin 38 extends into the joint recess 321 and tightens the locking screw 37.

In this embodiment, an internal threaded hole 326 is formed in the groove wall of the joint groove 321, and a tightening pin 38 is connected to the internal threaded hole 326, and its end portion extends into the joint groove 321, and the tightening pin 38 locks the locking screw 37, so that the locking screw 37 can be prevented from loosening.

In one embodiment, as shown in fig. 5 and 10-11, a groove wall recess 325 is provided in the groove wall of the joint groove 321, and at least part of the head of the lock screw 37 is located in the groove wall recess 325, and the tightening pin 38 tightens the head of the lock screw 37.

In this embodiment, the groove wall recess 325 is provided on the inner side of the groove wall of the joint groove 321 for fitting the head of the lock screw 37, so that the lock screw 37 and the lock nut 33 can be prevented from interfering.

In one embodiment, as shown in fig. 2 and 8-9, the top of the pre-buried base 31 is connected with a base compression ring 35. The base clamping ring 35 is pressed on the joint top cover 34, and the base clamping ring 35 is connected with the embedded base 31 through a connecting screw 36.

In this embodiment, the base pressing ring 35 presses the joint top cover 34, so that the adaptor 32 and the embedded base 31 do not need to be provided with a special connection structure, and the joint top cover 34 and the adaptor 32 do not need to be provided with a special connection structure, thereby simplifying the structure and facilitating assembly.

In one embodiment, as shown in fig. 2-9, two connecting water pipes 4 are connected between the faucet water inlet pipe 11 and the water inlet adapter 3.

The faucet water inlet pipe 11 comprises two water inlet pipe water channels 111 which are arranged at intervals, the embedded base 31 is provided with two base water channels 312 which are arranged at intervals, and the adapter 32 is provided with two adapter water channels 322 which are arranged at intervals.

The two joint waterways 322 are correspondingly butted with the two base waterways 312, and the two connecting water pipes 4 are correspondingly connected with the two joint waterways 322 and the two inlet pipe waterways 111.

In this embodiment, two water inlet channels 111 are provided in the faucet water inlet pipe 11, one water inlet channel 111 is used for circulating hot water, and the other water inlet channel 111 is used for circulating cold water.

Correspondingly, two base water channels 312 are arranged in the embedded base 31 at intervals, one base water channel 31 is used for being connected with a hot water pipe embedded in a wall or a floor, and the other base water channel 31 is used for being connected with a cold water pipe embedded in the wall or the floor.

Correspondingly, the adaptor 32 is provided with two joint water channels 322 which are arranged at intervals, and the two joint water channels 322 are correspondingly connected with the two base water channels 312 so as to realize cold and hot water separated supply circulation.

The two connecting water pipes 4 are correspondingly connected with the two joint water channels 322 and the two water inlet pipe water channels 111, and the two connecting water pipes 4 are connected between the tap water inlet pipe 11 and the adapter 32, so that the clamping force between the tap water inlet pipe 11 and the adapter 32 is further improved, and the protection sleeve 2 is clamped.

In one embodiment, as shown in fig. 3-6 and 8-9, a water storage cavity 315 is formed between the bottom of the adapter 32 and the bottom of the base recess 311.

The bottom surface of the adapter 32 is provided with a bottom water inlet 323 communicated with a connector water channel 322, and the bottom water inlet 323 is communicated with the water storage cavity 315.

The circumferential surface of the adapter 32 is provided with a side water inlet 324 communicated with the other adapter water channel 322, and the side water inlet 324 extends along the circumferential direction of the adapter 32.

The water outlet 313 of one of the base waterways 312 is in communication with the water storage cavity 315 and the water outlet 314 of the other base waterway 312 is in communication with the side water inlet 324.

In this embodiment, when the adapter 32 is mounted to the base recess 311, a certain space is reserved between the bottom of the adapter 32 and the bottom of the base recess 311, and the adapter is used as the water storage cavity 315.

A water outlet 313 of the base waterway 312 is provided in a wall of the water storage cavity 315, the base waterway 312 being in communication with the water storage cavity 315.

The water outlet 314 of the other base water channel 312 is arranged on the wall of the base groove 311, and the water outlet 314 is positioned above the water storage cavity 315.

A connector water channel 322 extends through the adapter 32 with its water inlet at the bottom of the adapter 32, referred to as the bottom water inlet 323. The connector water channel 322 is in communication with the water storage chamber 315 through a bottom water inlet 323.

The water inlet of the other connector water channel 322 is located on the circumferential surface of the adapter 32, which is called a side water inlet 324, the side water inlet 324 extends along the circumferential direction of the adapter 32, the side water inlet 324 is arc-shaped, and the water outlet 314 of the other base water channel 312 is communicated with the side water inlet 324.

When the adapter 32 is assembled, the adapter is inserted into the base groove 311, so that one adapter water channel 322 can be communicated with the water storage cavity 315, and the other adapter water channel 322 can be communicated with the other base water channel 312 by slightly rotating the adapter 32.

If the cold water and the hot water are connected reversely when the two connecting water pipes 4 are connected with the adapter 32, the adapter 32 is only required to be rotated, and the two connecting water pipes 4 and the two adapter water channels 322 are replaced by the butt joint sequence.

In one embodiment, the central angle of the side water inlet 324 is greater than or equal to 180 °, which ensures that the water outlet 314 and the side water inlet 324 remain in communication after half a revolution of the adapter 32.

The above technical schemes can be combined according to the need to achieve the best technical effect.

The foregoing is only illustrative of the principles and preferred embodiments of the present utility model. It should be noted that several other variants are possible to those skilled in the art on the basis of the principle of the utility model and should also be considered as the scope of protection of the present utility model.

Claims (9)

1. The faucet connecting structure is characterized by comprising a faucet (1), a protective sleeve (2), a water inlet adapter seat (3) and a hard connecting water pipe (4);

The water inlet pipe is characterized in that the connecting water pipe (4) penetrates through the protection sleeve (2), the upper end of the connecting water pipe (4) is connected with a water inlet pipe (11) of the faucet (1), the lower end of the connecting water pipe (4) is connected with the water inlet adapter (3) and locked, and the protection sleeve (2) is clamped between the water inlet pipe (11) and the water inlet adapter (3).

2. Tap connection arrangement according to claim 1, characterised in that said water inlet adapter (3) comprises a pre-buried base (31) and an adapter (32);

The embedded base (31) is provided with a base groove (311) with an upward opening and a base water channel (312) communicated with the base groove (311);

the adapter (32) is provided with an adapter water channel (322);

The adapter (32) is detachably arranged in the base groove (311), and the adapter water channel (322) is communicated with the base water channel (312);

The lower end of the connecting water pipe (4) is detachably connected with the adapter (32) and is communicated with the adapter water channel (322);

The protection sleeve (2) is clamped between the tap water inlet pipe (11) and the adapter (32).

3. Tap connection arrangement according to claim 2, characterised in that the adapter (32) has a joint recess (321) opening upwards and communicating with the joint water channel (322), a lock nut (33) being arranged in the joint recess (321), a joint top cap (34) being arranged on top of the adapter (32) for pressing the lock nut (33);

The lower end of the protection sleeve (2) is positioned on the joint top cover (34), and the lower end of the connecting water pipe (4) passes through the joint top cover (34) and the locking nut (33) and is in butt joint with the joint water channel (322);

The locking nut (33) is in threaded connection with the lower end of the connecting water pipe (4), and compresses the joint top cover (34) and the protection sleeve (2).

4. A tap connection arrangement according to claim 3, characterised in that a sleeve inner ring (21) is provided in the lower end of the protection sleeve (2), and that a locking screw (37) is fitted into the joint recess (321), said locking screw (37) passing through the joint top cover (34) and being connected to the sleeve inner ring (21).

5. Tap connection arrangement according to claim 4, characterised in that a tightening pin (38) is provided on the groove wall of the joint groove (321);

The end of the pushing pin (38) extends into the joint groove (321) and pushes the locking screw (37).

6. Tap connection arrangement according to claim 5, characterised in that the groove wall of the joint groove (321) is provided with a groove wall recess (325), at least part of the head of the locking screw (37) being located in the groove wall recess (325), the tightening pin (38) tightening the head of the locking screw (37).

7. Tap connection arrangement according to claim 4, characterised in that the top of the pre-buried base (31) is connected with a base pressure ring (35);

The base clamping ring (35) is pressed on the joint top cover (34), and the base clamping ring (35) is connected with the embedded base (31) through a connecting screw (36).

8. Tap connection arrangement according to any of the claims 2-7, characterised in that,

Two connecting water pipes (4) are connected between the faucet water inlet pipe (11) and the water inlet adapter (3);

The faucet water inlet pipe (11) comprises two water inlet pipe water channels (111) which are arranged at intervals, the embedded base (31) is provided with two base water channels (312) which are arranged at intervals, and the adapter (32) is provided with two adapter water channels (322) which are arranged at intervals;

The two connector water channels (322) are correspondingly butted with the two base water channels (312), and the two connecting water pipes (4) are correspondingly connected with the two connector water channels (322) and the two water inlet pipe water channels (111).

9. Tap connection arrangement according to claim 8, characterised in that a water storage chamber (315) is formed between the bottom of the adapter (32) and the bottom of the base recess (311);

The bottom surface of the adapter (32) is provided with a bottom water inlet (323) communicated with one adapter water channel (322), and the bottom water inlet (323) is communicated with the water storage cavity (315);

The circumference of the adapter (32) is provided with a side water inlet (324) communicated with the other adapter water channel (322), and the side water inlet (324) extends along the circumference of the adapter (32);

One water outlet (313) of the base water channel (312) is communicated with the water storage cavity (315), and the other water outlet (314) of the base water channel (312) is communicated with the side water inlet (324).