TW201400070A - Mounting structure for basin - Google Patents

Abstract

An installation structure of a basin comprises a basin body (1), a placement pipe (2) disposed on the basin body (1), a coupler connected to the placement pipe (2) in a detachable manner, and a positioning device for limiting vertical movement of the coupler with respect to the placement pipe (2). With the placement pipe (2) disposed on the basin body (1) and the coupler connected to the placement pipe (2) in a detachable manner, when a faucet (4) needs to be installed on the basin body (1), the coupler can be positioned simply by disposing the coupler connected to the faucet (4) and/or a hose (5) into the placement pipe (2); when the faucet (4) needs to be dismounted, it is only necessary to relieve the positioning device from the restriction.

Description

Installation structure of basin

The present invention relates to the technical field of sinks and washbasins, and more particularly to a mounting structure for mounting a faucet on a washbasin.

It is well known that when installing or removing a faucet on an existing basin, it is necessary to operate in a narrow space below the basin, which causes great inconvenience to people. In order to solve the above problem, a faucet outlet pipe assembly that is easy to install and remove is described in the Chinese Patent Application Specification No. 00103736.6. However, it can be known from the description of the specification and the drawings of the specification that the installation process of the faucet outlet pipe assembly which is easy to install and remove is very cumbersome and usually requires the operation of a technician; therefore, the basin is not solved. The problem of inconvenient installation or removal of the faucet. Moreover, the faucet is not universal with conventional faucets on the market, which makes the maintenance or replacement of the faucet inconvenient.

SUMMARY OF THE INVENTION An object of the present invention is to provide a mounting structure for a washbasin in order to make the installation or disassembly of a faucet extremely simple.

The technical solution adopted by the present invention to solve the above technical problem is: a mounting structure of a washbasin, comprising a basin body, characterized in that: further comprising a placement tube disposed on the basin body, and the installation tube is detachable A connector that is connected, and a positioning device that constrains the vertical movement of the connector relative to the placement tube.

According to an aspect of the invention, the connector is connected as a water passage to the faucet and the hose, and the mounting pipe having a polygonal cross section extends downward from the upper platform to the bottom of the basin body, and the upper end of the mounting pipe is open At the same level as the upper platform of the basin body, the connector is a connecting tube adapted to the mounting tube, the connection The upper end of the tube is connected to the faucet, and the lower end of the connecting tube protrudes from the outside of the mounting tube to be connected to the hose.

In one embodiment, the positioning device includes an annular portion made of a magnetic material disposed at an outer periphery of the upper end opening of the placement tube, and an edge portion made of a magnetic material extending radially outward at an upper end of the connecting tube. .

In another embodiment, the positioning device includes a fastening ring I that engages with an upper end of the connecting tube, and a fastening ring II that extends upward from an upper end opening of the mounting tube, the fastening ring The projected area of II is larger than the projected area of the placement tube, and the fastening ring I and the fastening ring II are screwed.

The fastening ring I and the connecting tube are engaged in such a manner that the upper end of the connecting tube has a radially outwardly extending flange, and the upper end of the fastening ring I has a radially inwardly extending protrusion, the protrusion The diameter of the rim is smaller than the outer diameter of the fastening ring II and larger than the inner diameter of the projection.

According to another aspect of the invention, the connector does not participate in the waterway, the hose is directly connected to the faucet, and the placement tube extends downward from the upper platform of the basin body to the bottom of the basin body, the connector being The connecting tube is adapted to the connecting sleeve, the upper end of the connecting sleeve is connected to the faucet, and the hose is connected to the faucet through the connecting sleeve.

In one embodiment, the positioning device includes a circular recess provided in the upper end opening of the mounting tube of the upper platform, a radially outwardly extending flange of the upper end of the connecting sleeve, and a threaded connection a nut of the lower end of the connecting sleeve, the connecting tube has a polygonal cross section, the flange is inserted into the recessed hole, and the upper end surface of the nut abuts the lower end surface of the connecting sleeve .

In another embodiment, the positioning device includes a screw hole formed in a sidewall of the mounting tube, and a screw that is screwed into the screw hole so that the end abuts against an outer sidewall of the connecting sleeve, and A lip extending radially outwardly at an upper end of the connecting sleeve, the mounting tube having a circular cross section.

According to another aspect of the invention, the connector is integrally formed with the faucet, a placement tube extending downwardly from an upper platform of the basin body to a bottom of the basin body, the installation tube having a circular cross section, the connector being an extension tube adapted to the placement tube, An extension tube is formed extending downwardly from the faucet body at the lower portion of the faucet, the lower end of which is connected to the hose.

The positioning device includes a screw hole opened in a sidewall of the mounting tube, and a tightening screw screwed into the screw hole so that an end abuts an outer sidewall of the extension tube.

According to another aspect of the invention, the connector is integrally formed with the faucet, the mounting tube projects upward from the upper platform of the basin body, the mounting tube has a circular cross section, and the connector is disposed with the faucet A tube-fitted extension tube is formed extending downwardly from the faucet body at the lower portion of the faucet, the lower end of which is coupled to the hose.

Compared with the prior art, the present invention has the advantages of: by arranging a placement pipe on the basin body, and providing a connector detachably connected to the installation pipe, so that when the faucet is installed on the basin, only the faucet and / or the hose-connected connector is placed in the placement tube and the connector can be positioned without the need for tools; when the faucet needs to be disassembled, it is only required to apply the positioning device to the restraint by hand; thus the maintenance of the faucet And replacement is very convenient.

1‧‧‧ basin body

2‧‧‧Placement tube

3‧‧‧Connecting tube

3'‧‧‧ sleeve

3"‧‧‧ Extension tube

4‧‧‧Water tap

5‧‧‧Hose

6‧‧‧Squeeze nuts

7‧‧‧ fastening ring I

11‧‧‧Upper platform

12‧‧‧ ring section

21‧‧‧ Strengthening the wall

22‧‧‧ fastening ring II

23‧‧‧ recessed hole

24‧‧‧ screw holes

25‧‧‧Top tightening screws

31‧‧‧Edge section

32‧‧‧ pipe joints

33‧‧‧Front

34‧‧‧Flange

35‧‧‧ lip

36‧‧‧Extended pipe joints

41‧‧‧ Faucet body

51‧‧‧ nuts

52‧‧‧ nuts

71‧‧‧Protruding

1 is a schematic exploded view of the first embodiment of the present invention; FIG. 2 is a partial assembled view of FIG. 1; FIG. 3 is an assembled schematic view of FIG. 1; FIG. 4 is an exploded perspective view of the second embodiment of the present invention; Figure 6 is a partial assembly view of Figure 4; Figure 7 is an assembled view of Figure 4; Figure 8 is an exploded perspective view of the third embodiment of the present invention; Figure 9 is a partial assembly view of Figure 8; Assembly diagram Figure 11 is an exploded perspective view of the fourth embodiment of the present invention; Figure 12 is a partial assembly view of Figure 11; Figure 13 is an exploded view of Figure 11; Figure 14 is an exploded view of the fifth embodiment of the present invention; FIG. 16 is an exploded perspective view of the sixth embodiment of the present invention; FIG. 18 is a partially assembled schematic view of FIG. 17; FIG. 19 is an assembled view of FIG. FIG. 21 is a partially assembled schematic view of FIG. 20; FIG. 22 is an assembled view of FIG.

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

Embodiment 1

Referring to Fig. 1, a mounting structure of a washbasin includes a basin body 1, a hollow mounting pipe 2 extending downward from the upper platform 11 of the basin body 1 to the bottom of the basin body 1, and a detachable pipe 2 Connected connecting pipe 3. The installation pipe 2 has a polygonal cross section, the upper end opening is flush with the upper platform 11 of the basin body 1, and the outer side wall is provided with a reinforcing wall 21 on the upper ring, and is connected with the basin body 1 so that the position of the installation pipe 2 is relatively stable. . The connecting tube 3 has a shape matching the positioning tube 2, the upper end of which has a radially outwardly extending edge portion 31 made of a magnetic material, and the inner side wall of the upper end has an internal thread for connection with the faucet 4, and the lower end has a smaller diameter. The pipe joint 32 extends vertically downward, and the pipe joint 32 is provided with an external thread for connection with the hose 5, and the hose 5 is connected to the water outlet pipe.

The upper platform 11 of the basin body 1 is provided with a placement pipe 2, and an annular portion 12 made of a magnetic material is disposed on the outer periphery of the upper end opening of the installation pipe 2, and cooperates with the edge portion 31 of the connection pipe 3, and the two can be attracted to each other. .

When installing, referring to Fig. 2, firstly, the upper end of the connecting pipe 3 is screwed with the faucet 4, and the lower end pipe joint 32 is connected with the hose 5 and locked with a nut 51; see Fig. 3, and then the connected connection The tube 3 is inserted into the placement tube 2 from top to bottom such that the edge portion 31 is caught at the annular portion 12 and the tube joint 32 extends beyond the placement tube 2. Since the edge portion 31 and the annular portion 12 are both made of a magnetic material, under the action of the magnetic force, the two are attracted, so that the connecting pipe 3 cannot move relative to the positioning pipe 2 in the vertical direction, and the mounting pipe 2 and the connecting pipe 3 are both The polygon restricts the rotation of the connecting pipe 3, completes the positioning of the connecting pipe 3, so that the faucet 4 is fixed to the basin body 1, and the water flows through the hose 5 and the connecting pipe 3 to the faucet 4. Also, since the placement pipe 2 has a certain depth, the faucet 4 connected thereto has a certain stability.

When it is necessary to disassemble, the faucet 4, the connecting pipe 3 and the hose 5 which are connected together can be taken out from the setting pipe 2 by only a little force by hand (greater than the strength of the magnetic force).

Embodiment 2

Referring to FIG. 4, the difference between this embodiment and the first embodiment described above is that the connecting pipe 3 is vertically restrained by the pressing nut 6 instead of the edge portion 31 and the annular portion 12. The outer diameter of the tightening nut 6 is larger than the setting pipe. The inner diameter of 2 is connected to the upper portion of the pipe joint 32.

When installing, referring to Fig. 5, the upper end of the connecting pipe 3 is first screwed with the faucet 4; then, referring to Fig. 6, after the connecting pipe 3 is inserted into the pipe 2 from the top to the bottom, the pipe joint 32 extends out of the pipe. 2; then, referring to Fig. 7, the tightening nut 6 is screwed to the upper portion of the pipe joint 32, and the hose 5 is screwed to the lower portion of the pipe joint 32 by the nut 51; thereby completing the assembly, and the upper end surface of the nut 6 is tightened. Abutting against the lower end surface of the placement pipe 2, and the lower end surface of the faucet pipe body 41 at the lower portion of the faucet 4 abuts against the upper platform 11 (the diameter of the faucet pipe body 41 is larger than the diameter of the installation pipe 2), thereby defining the connection pipe 3 The vertical position makes it unable to move vertically relative to the installation pipe 2, and the installation pipe 2 and the connection pipe 3 are both polygonal, which restricts the connection pipe 3 from rotating, and completes the positioning of the connection pipe 3, thereby making the faucet 4 It is fixed to the basin body 1 and the water flows through the hose 5 and the connecting pipe 3 to the faucet 4.

When disassembly is required, the hose 5 and the tightening nut 6 on the pipe joint 32 are simply unscrewed by hand, and then the faucet 4 and the connecting pipe 3 are taken out from the setting pipe 2.

Embodiment 3

Referring to Fig. 8, the present embodiment is different from the above-described first embodiment in that the connecting portion 3 is vertically restrained by the fastening ring I7 and the fastening ring II22 instead of the edge portion 31 and the annular portion 12. a fastening ring II22 having a projection area larger than a projected area of the placement tube 2 is formed upwardly on the upper platform 11 and the fastening ring II22 has an external thread; the fastening ring I7 is used for cooperating with the fastening ring II22, which has Internal thread, and the upper end has a radially inwardly extending projection 71, the upper end of the connecting tube 3 has a radially outwardly extending flange 33, the outer diameter of the flange 33 is smaller than the diameter of the fastening ring II22, and larger than the protrusion The inner diameter of 71.

When installing, referring to Fig. 9, first, the fastening ring I7 is sleeved on the lower part of the faucet 4, and the upper end of the connecting pipe 3 is screwed with the faucet 4, the lower end pipe joint 32 is connected with the hose 5, and locked with the nut 51. Then, referring to Fig. 10, the connected connecting pipe 3 is inserted into the placing pipe 2 from top to bottom, so that the flange 33 is caught in the upper platform 11 portion in the fastening ring II22, and the pipe joint 32 is extended to the mounting pipe 2. The tightening ring I7 and the fastening ring II22 are tightened such that the upper end portion of the flange 33 abuts against the protruding portion 71 of the fastening ring I7, thereby defining the vertical position of the connecting tube 3 so that it cannot be placed oppositely The tube 2 is vertically moved, and the positioning tube 2 and the connecting tube 3 are both polygonal, which restricts the connection tube 3 from rotating, and completes the positioning of the connecting tube 3, so that the faucet 4 is fixed on the basin body 1, the water flow The faucet 4 is reached through the hose 5 and the connecting pipe 3.

When disassembly is required, the fastening ring I7 is simply unscrewed by hand, and then the faucet 4, the connecting pipe 3 and the hose 5 are taken out from the setting pipe 2.

Embodiment 4

Referring to Fig. 11, a mounting structure of a washbasin includes a basin body 1, a hollow mounting pipe 2 extending downward from the upper platform 11 of the basin body 1 to the bottom of the basin body 1, and detachably connected to the mounting pipe 2. Connection sleeve 3'. The installation pipe 2 has a polygonal cross section, and the outer side wall is provided with a reinforcing wall 21 on the ring, and is connected with the basin body 1 so that the installation The position of the tube 2 is relatively stable; the upper platform 11 of the basin body 1 is provided with a circular recess 23 at the upper end opening of the placement tube 2. The connecting sleeve 3' is shaped to match the mounting tube 2, the upper end of which has a radially outwardly extending flange 34, the inner side wall of the upper end having internal threads for connection to the faucet 4; the size and recess of the flange 34 Suitably, it can be caught in the recessed hole 23, and the lower end is provided with an external thread for connection with the nut 52. In the present embodiment, the two hoses 5 are directly connected to the double-hole faucet 4 and are respectively connected to different outlet pipes.

When installing, referring to Fig. 12, firstly, the upper end of the connecting pipe 3 is screwed with the faucet 4, see Fig. 13, and then the hose 5 and the connecting sleeve 3' are sequentially inserted into the placing pipe 2 from top to bottom; The rim 34 is caught in the recessed hole 23, and the external thread of the lower end of the connecting sleeve 3' protrudes out of the mounting tube 2; the nut 52 is screwed onto the external thread of the lower end of the connecting sleeve 3', and the upper end surface of the nut 52 is The lower end surface of the connecting sleeve 3' abuts, so that the connecting sleeve 3' cannot move vertically relative to the mounting tube 2, and the mounting tube 2 and the connecting sleeve 3' are both polygonal, limiting the connecting sleeve 3' Without being rotated, the positioning of the connecting sleeve 3' is completed, so that the faucet 4 is fixed to the basin body 1, and the water flows through the hose 5 to the faucet 4. Also, since the placement pipe 2 has a certain depth, the faucet 4 connected thereto has a certain stability.

When the disassembly is required, the faucet 4, the connecting sleeve 3' and the hose 5 which are connected together can be taken out from the setting pipe 2 by simply unscrewing the nut 52 by hand.

Embodiment 5

Referring to Fig. 14, a mounting structure of a washbasin includes a basin body 1, a hollow mounting pipe 2 extending downward from the upper platform 11 of the basin body 1 to the bottom of the basin body 1, and detachably connected to the mounting pipe 2. Connection sleeve 3'. The installation pipe 2 has a circular cross section, and the side wall is provided with a screw hole 24 and a top screw 25 which cooperates with the screw hole 24. The upper end opening of the installation pipe 2 is flush with the upper platform 11 of the basin body 1. The connecting sleeve 3' is shaped to match the mounting tube 2, the upper end of which has a radially outwardly extending lip 35, the inner side of which is internally threaded for connection to the faucet 4. In the present embodiment, the two hoses 5 are directly connected to the double-hole faucet 4 and are respectively connected to different ones. Water outlet pipe.

When installing, referring to Figure 15, firstly, the upper end of the connecting sleeve 3' is screwed to the faucet 4, and then, referring to Figure 16, the hose 5 and the connecting sleeve 3' are sequentially inserted into the mounting tube 2 from top to bottom; The lip 35 is caused to be caught on the upper platform 11 portion around the upper end opening of the installation pipe 2, and the lower end of the connection sleeve 3' is flush with the lower end of the installation pipe 2; then the top screw 25 is screwed into the screw hole 24, The end is abutted against the outer side wall of the connecting sleeve 3', whereby the connecting sleeve 3' can neither move vertically relative to the mounting tube 2 nor rotate relative to the mounting tube 2 to complete the positioning of the connecting sleeve 3'. Thereby, the faucet 4 is fixed to the basin body 1, and the water flows through the hose 5 to the faucet 4. Also, since the placement pipe 2 has a certain depth, the faucet 4 connected thereto has a certain stability.

When the disassembly is required, the faucet 4, the connecting sleeve 3' and the hose 5 which are connected together can be taken out from the setting pipe 2 by simply loosening the jacking screw 25 by hand.

Embodiment 6

Referring to Fig. 17, the difference between the embodiment and the fifth embodiment described above is that the extension tube 3" integrally formed with the faucet 4 is formed by replacing the connection sleeve 3' and extending downward from the faucet body 41 at the lower portion of the faucet 4. The diameter of the extension tube 3" is smaller than the diameter of the faucet tube body 41, and the lower end of the extension tube 3" is provided with an extension pipe joint 36 having an external thread for connection with the hose 5. The softness shown in Fig. 17 The tube 5 is a single strip. Alternatively, the hose 5 can be two, in which case the faucet 4 is a corresponding two-hole.

When installing, referring to Fig. 18, the lower end of the extension tube 3" is first screwed to the hose 5, and then, referring to Fig. 19, the hose 5 and the extension tube 3" are sequentially inserted into the placement tube 2 from top to bottom, so that The faucet pipe body 41 is caught on the upper platform 11 portion around the upper end opening of the installation pipe 2, and the extension pipe joint 36 at the lower end of the extension pipe 3" protrudes out of the installation pipe 2; then the top screw 25 is screwed into the screw hole 24 , the end thereof abuts the outer side wall of the extension tube 3", thereby causing the extension tube 3" to neither move vertically relative to the placement tube 2 nor to rotate relative to the placement tube 2, thereby completing the positioning of the extension tube 3", thereby The faucet 4 is fixed to the basin body 1 and the water flows through the hose 5 to the faucet 4. Also, since the placement pipe 2 has a certain depth, the faucet 4 connected thereto has a certain stability.

When the disassembly is required, the faucet 4, the connecting sleeve 3' and the hose 5 which are connected together can be taken out from the setting pipe 2 by simply loosening the jacking screw 25 by hand.

Example 7

Referring to FIG. 20, the difference between the embodiment and the sixth embodiment is that the upper platform 11 of the basin body 1 is provided with an upwardly extending positioning tube 2, which is vertically transparent, and the tube 2 is disposed. The inner hole is matched with the extension pipe 3" of the above faucet, and a screw hole 24 is provided on the side wall of the installation pipe 2, and a tightening screw 25 is engaged with the screw hole 24.

When installing, referring to Fig. 21, the lower end of the extension tube 3" is first screwed to the hose 5, and then, referring to Fig. 22, the hose 5 and the extension tube 3" are sequentially inserted into the placement tube 2 from top to bottom, so that The faucet pipe body 41 is caught on the upper opening of the arranging pipe 2, at this time, the extension pipe joint 36 at the lower end of the extension pipe 3" protrudes from the lower opening of the arranging pipe 2; then the top screw 25 is screwed into the screw hole 24, The end is abutted against the outer side wall of the extension tube 3", whereby the extension tube 3" can neither move vertically relative to the placement tube 2 nor rotate relative to the placement tube 2, thereby completing the positioning of the extension tube 3", thereby The faucet 4 is fixed to the basin body 1 and the water flows through the hose 5 to the faucet 4.

When the disassembly is required, the faucet 4, the connecting sleeve 3' and the hose 5 which are connected together can be taken out from the setting pipe 2 by simply loosening the jacking screw 25 by hand.

The above is only a preferred embodiment of the present invention, and it should be noted that various modifications and improvements can be made by those skilled in the art without departing from the principles of the present invention. The scope of protection of the invention.

1‧‧‧ basin body

2‧‧‧Placement tube

3"‧‧‧ Extension tube

4‧‧‧Water tap

5‧‧‧Hose

11‧‧‧Upper platform

24‧‧‧ screw holes

25‧‧‧Top tightening screws

36‧‧‧Extended pipe joints

41‧‧‧ Faucet body

Claims (12)

A mounting structure for a washbasin, comprising a basin body (1), characterized in that it further comprises a mounting pipe (2) disposed on the basin body (1) and detachably connected to the mounting pipe (2) a connector, and a positioning device that constrains the vertical movement and/or circumferential rotation of the connector relative to the mounting tube (2). The installation structure of the washbasin according to claim 1, wherein the installation pipe (2) extends downward from the upper platform (11) of the basin to the bottom of the basin body (1), the placement The upper end opening of the tube (2) is flush with the upper platform (11) of the basin body (1), the cross section of the mounting tube (2) is polygonal; the connector is adapted to the mounting tube (2) The connecting pipe (3), the upper end of the connecting pipe (3) is connected with the faucet (4), and the lower end of the connecting pipe (3) protrudes from the outside of the mounting pipe (2) and is connected with the hose (5). The mounting structure of the washbasin according to the second aspect of the invention, wherein the positioning device comprises an annular portion (12) made of a magnetic material disposed on an outer periphery of an upper end opening of the mounting pipe (2), and An edge portion (31) of a magnetic material extending radially outward from the upper end of the connecting tube (3). The mounting structure of the washbasin according to the second aspect of the invention, wherein the positioning device comprises a fastening ring II (7) that engages with an upper end of the connecting pipe (3), and from the mounting pipe (2) a fastening ring II (22) extending upward at an upper end opening, a projected area of the fastening ring II (22) being larger than a projected area of the placement tube (2), and the fastening ring II ( 7) Threaded with the fastening ring II (22). The mounting structure of the washbasin according to the fourth aspect of the invention, wherein the upper end of the connecting pipe (3) has a radially outwardly extending flange (33), the fastening ring I (7) The upper end has a radially inwardly extending projection (71) having a diameter smaller than the outer diameter of the fastening ring II (22) and larger than the inner diameter of the projection (71). The installation structure of the washbasin according to claim 1, wherein the installation pipe (2) extends downward from the upper platform (11) of the basin body (1) to the bottom of the basin body (1) The connector is a connecting sleeve (3') adapted to the mounting tube (2), the upper end of the connecting sleeve (3') is connected to a faucet (4), and the hose (5) is passed through The connecting sleeve (3') Connected to the faucet (4). The mounting structure of the washbasin according to claim 6, wherein the positioning device comprises a circular recessed hole (23) provided at an upper end opening of the mounting pipe (2) of the upper platform (11). a radially outwardly extending flange (34) at an upper end of the connecting sleeve (3'), and a nut (52) threadedly coupled to a lower end of the connecting sleeve (3'), the mounting tube ( 2) The cross section is polygonal, the flange (34) is caught in the recessed hole (23), and the upper end surface of the nut (52) is abutted against the lower end surface of the connecting sleeve (3') Pick up. The mounting structure of the washbasin according to the sixth aspect of the invention, wherein the positioning device comprises a screw hole (24) formed in a side wall of the mounting pipe (2), and screwed into the screw hole (24) a tightening screw (25) having an inner end and abutting an outer side wall of the connecting sleeve (3'), and a lip (35) extending radially outward at an upper end of the connecting sleeve (3') The placement tube (2) has a circular cross section. The installation structure of the washbasin according to claim 1, wherein the installation pipe (2) extends downward from the upper platform (11) of the basin body (1) to the bottom of the basin body (1) The installation pipe (2) is vertically permeable, the installation pipe (2) has a circular cross section; the connector is an extension pipe (3") adapted to the installation pipe (2), The extension pipe (3") is formed by extending downward from a faucet pipe body (41) at a lower portion of the faucet (4), and the lower end of the extension pipe (3") is provided with an extension pipe joint (36), an extension pipe joint (36) Externally threaded for connection to the hose (5). The mounting structure of the washbasin according to the ninth aspect of the invention, wherein the positioning device comprises a screw hole (24) opened in a side wall of the mounting pipe (2), and screwed into the screw hole ( 24) A tightening screw (25) that terminates in contact with the outer side wall of the extension tube (3"). The installation structure of the washbasin according to claim 1, wherein the installation pipe (2) projects upward from the upper platform (11) of the basin body (1), and the installation pipe (2) is Passing up and down, the cross section of the placement tube (2) is circular; the connector is an extension tube (3") adapted to the placement tube (2), the extension tube (3") is Formed downward from the faucet body (41) at the lower part of the faucet (4), under the extension tube (3") The end is provided with an extension pipe joint (36), and the extension pipe joint (36) has an external thread for connection with the hose (5). The mounting structure of the washbasin according to claim 11, wherein the positioning device comprises a screw hole (24) opened on a side wall of the mounting pipe (2), and screwed into the screw hole ( 24) A tightening screw (25) that terminates in contact with the outer side wall of the extension tube (3").