Faucet

Abstract

The invention provides a faucet. The faucet comprises a faucet body and a locking assembly. The locking assembly is connected with the faucet body, the locking assembly is configured to penetrate through a mounting hole of a table top, and at least part of the locking assembly is controllably connected to the lower portion of the table top in an abutting mode; the faucet body comprises a faucet shell, a supporting body and a valve element, the supporting body is arranged in the faucet shell, the supporting body is suitable for being supported above a table top, the supporting body is connected with the locking assembly, and the supporting body forms a valve seat used for being connected with the valve element. The locking assembly further comprises an operation part rotationally arranged on the supporting body, and the operation part is used for controlling the locking assembly to abut against the lower portion of the table top. The supporting body is connected with the locking assembly and the valve element to achieve the overall supporting effect, the supporting effect of the faucet shell is weakened or not achieved, the faucet shell can be made of thin-wall materials or plastics, and the cost can be effectively reduced.

Description

Technical Field

[0001] The invention relates to the field of bathrooms, in particular to a faucet. Background Art

[0002] Conventional faucets are usually installed under the countertop, so professionals need to bend over, squat or lie under the dark and narrow basin for a long time, and use a variety of special tools to complete the installation. This installation method that requires assembly and locking under the countertop is time-consuming and laborious for faucet installers.

[0003] The prior art has disclosed a quick installation mechanism on a faucet table, including a mounting seat, a screw, a nut, a lifting seat that rises and falls after the screw and the nut rotate relative to each other, and two lever rotating arms; the mounting seat is provided with a mounting hole, the screw is arranged on one side of the mounting hole; the two lever rotating arms are pivotally connected to the lifting seat. This method of installing the faucet from above the countertop not only makes the faucet assembly simple, but also does not require the structure of the faucet itself, so it can be used for faucets of various structures. Moreover, it only uses a single screw, which occupies the minimum space of the countertop mounting hole, so that the faucet hose can pass smoothly. This mechanism can not only realize the installation of the faucet on the countertop, but also can be used for faucets of various styles, and can provide a sufficiently large installation space. It has the advantages of simple structure, reliability, small installation space occupied, and low cost.

[0004] However, this type of quick installation mechanism on the faucet platform needs to be tightly connected to the faucet shell. Since the faucet shell needs to play a supporting role, it is impossible to use lower-strength materials or thinner-walled structures, and the overall manufacturing cost is high. Summary of the invention

[0005] The purpose of the present invention is to overcome the deficiencies in the above-mentioned prior art and provide a faucet.

[0006] In order to solve the above technical problems, the present invention provides a faucet, comprising a faucet body and a locking assembly; the locking assembly is connected to the faucet body, the locking assembly is configured to pass through a mounting hole of a countertop, and the locking assembly is at least partially controllably abutted against the bottom of the countertop;

[0007] The faucet body includes a faucet shell, a support body and a valve core, wherein the support body is arranged in the faucet shell, the support body is suitable for being supported above a countertop, the support body is connected to the locking assembly, the support body forms a valve seat for being connected to the valve core, and the locking assembly also includes an operating component rotatably arranged on the support body, the operating component is used to control the locking assembly to abut against below the countertop.

[0008] In a more preferred embodiment, the locking assembly includes a guide base, which is connected to the lower end of the support body, and the guide base includes a guide wall extending in a vertical direction, and the guide wall is used to separate the lower part of the support body into a first space and a second space; the support body includes an operating space corresponding to the first space and a pipeline space corresponding to the second space, the operating component is arranged in the first space and the operating space, and the pipeline structure of the faucet is penetrated in the second space and the pipeline space to be connected to the valve seat.

[0009] In a more preferred embodiment, the support body includes a support base and a support body; the support base is used to be supported above the countertop and is fixedly connected to the guide base; the faucet also includes a pipeline pressure plate, the support body includes one or more pipeline sockets, the pipeline sockets are connected to the valve seat, the pipeline pressure plate is used to clamp the pipeline structure, the support body is fixedly connected to the support base to clamp and fix the pipeline pressure plate; when the support body is connected to the support base, the pipeline structure is correspondingly plugged into the pipeline socket.

[0010] In a more preferred embodiment, the valve seat is formed on the side wall of the support body, and the faucet also includes a valve sleeve, which is connected to the valve seat to form a valve cavity for accommodating the valve core; the faucet also includes a pressure cover, which is connected to the end of the valve sleeve to press and fix the valve core.

[0011] In a more preferred embodiment, the operating component is tubular; the upper end of the operating component extends out of the upper end of the support body; the upper end of the operating component is connected to an operating interface, and the operating component is hung and rotated on the faucet housing through a neck component.

[0012] In a more preferred embodiment, the locking assembly includes a guide base, which is connected to the lower end of the support body, and the guide base includes a guide wall extending in a vertical direction. The locking assembly includes a connecting seat and support arms connected to both sides of the connecting seat, and one side wall of the connecting seat is abutted and fitted with the guide wall. The operating component is threadedly connected to the connecting seat, and the operating component can rotate to drive the connecting seat to move along the guide wall so that the support arm can abut under the table.

[0013] In a more preferred embodiment, the guide base also includes a blocking seat connected to the guide wall, and the support arm includes an extended state and a retracted state relative to the connecting seat; the support arm is controlled by the operating component to approach or move away from the blocking seat, and the support arm is in a retracted state when approaching the blocking seat, and the support arm is in an extended state when moving away from the blocking seat; wherein the radial dimension of the support arm in the extended state is larger than the mounting hole of the table top.

[0014] In a more preferred embodiment, the support arm is rotatably connected to the connecting seat, and the two ends of the support arm are divided into a long section and a short section relative to its rotation point, the length of the long section is longer than that of the short section, and the connecting seat is also provided with a protrusion at a position close to the long section, and the long section is flipped over by gravity so that its lower side abuts against the protrusion to put the support arm in an extended state; the blocking seat includes a blocking block, and when the connecting seat is close to the blocking seat, the blocking block pushes against the long section to put the support arm in a retracted state; wherein, when the blocking block abuts against the long section in the extended state, the distance between the blocking block and the rotation point is greater than the distance between the protrusion and the rotation point.

[0015] In a more preferred embodiment, the lower side of the short section further includes a notch, and when the support arm is in the folded state, the protrusion corresponds to the notch.

[0016] In a more preferred embodiment, the support arm is rotatably connected to the connecting seat, and the two ends of the support arm are divided into a long section and a short section relative to its rotation point, the length of the long section is longer than the short section, and the connecting seat is also provided with a protrusion at a position close to the short section. The long section is flipped over by gravity and drives the upper side of the short section to abut against the protrusion to put the support arm in an extended state; the blocking seat includes a blocking block, and when the connecting seat is close to the blocking seat, the blocking block pushes the long section to put the support arm in a retracted state.

[0017] In a more preferred embodiment, the upper side of the short section further includes a notch, and when the support arm is in the unfolded state, the protrusion corresponds to the notch.

[0018] In a more preferred embodiment, the blocking seat further includes an inclined surface, and when the support arm is in the folded state, the short section abuts against the inclined surface.

[0019] Compared with the prior art, the technical solution of the present invention has the following beneficial effects:

[0020] The support body is arranged in the faucet housing, and the support body is suitable for supporting above the countertop (that is, the upper side of the countertop). The support body is connected to the locking assembly, and the support body forms a valve seat for connecting the valve core. The locking assembly also includes an operating component rotatably arranged on the support body, and the operating component is used to control the locking assembly to abut below the countertop (that is, the lower side of the countertop). The support body is arranged in the faucet housing, and is respectively connected to the locking assembly and the valve core, playing an overall supporting role. The supporting role of the faucet housing is weakened or does not play a supporting role. The faucet housing can be made of thin-walled materials or plastics, which can effectively reduce costs.

[0021] The first space corresponds to the operation space, the operation component extends through the first space and the operation space, and the pipeline structure extends through the second space and the pipeline space. The two spaces are separated and do not interfere with or affect each other, which can effectively prevent the pipeline structure from getting entangled or prevent the pipeline structure from affecting the operation of the operation component. In this embodiment, the first space and the operation space are connected to form an axial channel, and the operation component is tubular and rotates around its own axis on the axial channel.

[0022] The pipeline pressure plate is clamped and fixed between the upper end surface of the support seat and the lower end of the support body, the pipeline structure penetrates from the lower end of the support seat and partially extends out of the upper end surface of the support seat, the entrance of the pipeline socket is located at the lower end of the support body, and when the support body and the support seat are docked, the pipeline structure is plugged into the pipeline socket. During installation, the pipeline structure, the guide base and the support seat can be fixed together first, and then the support body and the upper end surface of the support seat are fixedly connected after being installed on the table, so as to simultaneously realize the connection between the pipeline structure and the valve seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional schematic diagram of a faucet and a faucet housing in a preferred embodiment of the present invention;

[0024] Figure 2 It is a three-dimensional exploded schematic diagram of the connection between the locking assembly, the support body and other components in the preferred embodiment of the present invention;

[0025] Figure 3 It is a three-dimensional exploded schematic diagram of the connection between the support base, the support body, the pipeline structure, the locking assembly and other components in the preferred embodiment of the present invention;

[0026] Figure 4 It is a cross-sectional schematic diagram of a faucet in a preferred embodiment of the present invention;

[0027] Figure 5 is a three-dimensional schematic diagram of a faucet in a preferred embodiment of the present invention, showing the support arm in a folded state;

[0028] Figure 6 is a three-dimensional schematic diagram of a faucet in a preferred embodiment of the present invention, showing that the support arm is in a folded state and is installed in the corresponding mounting hole;

[0029] Figure 7 is a three-dimensional schematic diagram of a faucet in a preferred embodiment of the present invention, showing that the support arm is just in an extended state;

[0030] Figure 8 is a three-dimensional schematic diagram of a faucet in a preferred embodiment of the present invention, showing that the arm is in an extended state and abuts against the bottom of the countertop;

[0031] Fig. 9 Schematic diagram of the connection base and the support arm in some simple replacements. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0033] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installed", "provided with", "installed / connected", "connected", etc. should be understood in a broad sense. For example, "connection" can be a wall-mounted connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be a direct connection or an indirect connection through an intermediate medium. It can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] See also Figure 1-Figure 8 A faucet includes a faucet body 1 and a locking assembly 2. The locking assembly 2 is connected to the faucet body 1, and the locking assembly 2 is configured to pass through a mounting hole 201 of a countertop 20, and the locking assembly 2 is at least partially controllably abutted against the bottom of the countertop 20.

[0036] The countertop 20 may be a workbench of a kitchen sink, etc., but is not limited thereto. The countertop 20 includes the mounting hole 201, and the locking assembly 2 may pass through the mounting hole 201 to correspond to the bottom of the countertop 20. The user may control the locking assembly 2 on the countertop 20 so that the locking assembly 2 abuts against the bottom side of the countertop 20, thereby achieving installation and fixation of the faucet.

[0037] The faucet body 1 includes a faucet housing 11, a support body 12, a valve core 13, a gland 14, an elbow 15 and a handle 16. The faucet housing 11 is a three-way pipe, the lower end of the faucet housing 11 is correspondingly abutted against the upper side of the countertop 20, the faucet housing 11 includes a lateral opening 111, and the valve core 13 is installed in the faucet housing 11 through the lateral opening 111. The lower end of the elbow 15 is rotatably connected to the upper end of the faucet housing 11, and a water outlet 151 is provided at the end of the elbow 15, and the water outlet 151 can be a pull-out head or fixedly provided at the end of the elbow 15, but is not limited thereto.

[0038] The support body 12 is arranged in the faucet housing 11. The support body 12 is suitable for supporting above the countertop 20 (that is, the upper side of the countertop 20). The support body 12 is connected to the locking assembly 2. The support body 12 forms a valve seat 121 for connecting the valve core 13. The locking assembly 2 also includes an operating component 21 rotatably arranged on the support body 12. The operating component 21 is used to control the locking assembly 2 to abut against the bottom of the countertop 20 (that is, the lower side of the countertop 20). The support body 12 is arranged in the faucet housing 11 and is respectively connected to the locking assembly 2 and the valve core 13, playing an overall supporting role. The supporting role of the faucet housing 11 is weakened or does not play a supporting role. The faucet housing 11 can be made of thin-walled materials or plastics, which can effectively reduce costs.

[0039] The locking assembly 2 includes a guide base 22, which is connected to the lower end of the support body 12. The guide base 22 includes a guide wall 221 extending in the vertical direction, and the guide wall 221 is used to separate the lower part of the support body 12 into a first space 31 and a second space 32. The support body 12 includes an operation space 122 corresponding to the first space 31 and a pipeline space 123 corresponding to the second space 32. The operation component 21 is arranged in the first space 31 and the operation space 122, and the pipeline structure 6 of the faucet is penetrated in the second space 32 and the pipeline space 123 to connect with the valve seat 121. The first space 31 and the operation space 122 correspond to each other, and the operation component 21 extends through the first space 31 and the operation space 122, and the pipeline structure 6 extends through the second space 32 and the pipeline space 123. The two spaces are separated and do not interfere with or affect each other, which can effectively prevent the pipeline structure 6 from being entangled or prevent the pipeline structure 6 from affecting the operation of the operation component 21. In this embodiment, the first space 31 and the operating space 122 are connected to form an axial channel, and the operating component 21 is tubular and rotates around its own axis on the axial channel.

[0040] The support body 12 includes a support base 124 and a support body 125; the support base 124 is used to support above the table 20 and is fixedly connected to the guide base 22; the faucet also includes a pipeline pressure plate 4, the support body 125 includes one or more pipeline sockets 1251, the pipeline sockets 1251 are connected to the valve seat 121, the pipeline pressure plate 4 is used to clamp the pipeline structure 6, the support body 125 is fixedly connected to the support base 124 to clamp and fix the pipeline pressure plate 4; when the support body 125 is connected to the support base 124, the pipeline structure 6 is correspondingly plugged into the pipeline sockets 1251. The support base 124 and the support body 125 are separately arranged, and the pipeline pressure plate 4 is clamped between the two, which plays a role in facilitating the installation of the pipeline structure 6. The pipeline structure 6 is plugged into the pipeline sockets 1251, and the installation is convenient and quick. Specifically, the lower end surface of the support seat is fastened to the guide base 22 by screws 5, and the upper end surface of the support seat is fastened to the lower end of the support body 125 by screws 5. The pipeline pressure plate 4 is clamped and fixed between the upper end surface of the support seat and the lower end of the support body 125, and the pipeline structure 6 penetrates from the lower end of the support seat and partially extends out of the upper end surface of the support seat. The entrance of the pipeline socket 1251 is located at the lower end of the support body 125. When the support body 125 is docked with the support seat, the pipeline structure 6 is plugged into the pipeline socket 1251. During installation, the pipeline structure 6, the guide base 22 and the support seat can be fixed together first, and then the support body is fixedly connected to the upper end surface of the support seat after being installed on the table 20, so as to realize the connection between the pipeline structure 6 and the valve seat 121 simultaneously.

[0041] In this embodiment, the faucet includes two screws 5, and the two screws 5 connect and fix the guide base 22, the support seat and the support body 125 from bottom to top.

[0042] The valve seat 121 is formed on the side wall of the support body 12. The faucet further includes a valve sleeve 17, which is connected to the valve seat 121 to form a valve cavity for accommodating the valve core 13. The gland 14 is connected to the end of the valve sleeve 17 to press and fix the valve core 13. The periphery of the valve seat 121 is provided with an external thread, and the internal thread of one end of the valve sleeve 17 is connected to the external thread. The gland 14 is connected to the internal thread of the other end of the valve sleeve 17. The gland 14 is not connected to the faucet housing 11 and does not affect the faucet housing 11.

[0043] The upper end of the operating component 21 extends out of the upper end of the support body 12; the upper end of the operating component 21 is connected to an operating interface 23, and the operating component 21 is rotatably mounted on the faucet housing 11 via a neck component 24. The elbow 15 can be sleeved outside the upper end of the operating component 21, and the elbow 15 is connected to the operating component 21 and is not supported on the faucet housing 11.

[0044] The locking assembly 2 includes a connection seat 25 and a support arm 26 connected to both sides of the connection seat 25. One side wall of the connection seat 25 is abutted and fitted with the guide wall 221. In this embodiment, the guide wall 221 is in an inwardly concave arc shape, and the connection seat 25 is in an outwardly convex arc shape. The two are fitted together. When the operating component 21 rotates, the connection seat 25 is limited by the guide wall 221 and cannot rotate, but can only move up and down along the guide wall 221. The operating component 21 is threadedly connected to the connection seat 25. The operating component 21 can rotate to drive the connection seat 25 to move along the guide wall 221 so that the support arm 26 can abut under the table 20. The guide base 22 also includes a blocking seat 222 connected to the guide wall 221, and the support arm 26 includes an expanded state and a retracted state relative to the connecting seat 25; the support arm 26 is controlled by the operating component 21 to approach or move away from the blocking seat 222, and the support arm 26 is in a retracted state when approaching the blocking seat 222, and the support arm 26 is in an expanded state when moving away from the blocking seat 222; wherein the radial dimension of the support arm 26 in the expanded state is larger than the mounting hole 201 of the table top 20.

[0045] The support arm 26 is rotatably connected to the connecting seat 25, and the two ends of the support arm 26 are divided into a long section 261 and a short section 262 relative to its rotation point. The length of the long section 261 is longer than that of the short section 262. The connecting seat 25 is also provided with a protrusion 251 at a position close to the long section 261. The long section 261 is flipped under the action of gravity so that its lower side abuts against the protrusion 251 to put the support arm 26 in an expanded state; the blocking seat 222 includes a blocking block 2221, and when the connecting seat 25 is close to the blocking seat 222, the blocking block 2221 pushes against the long section 261 to put the support arm 26 in a folded state; wherein, when the blocking block 2221 abuts against the long section 261 in the expanded state, the distance between the blocking block 2221 and the rotation point is greater than the distance between the protrusion 251 and the rotation point. The short section 262 further includes a notch 2621 . When the support arm 26 is in the folded state, the protrusion 251 corresponds to the notch 2621 .

[0046] The blocking seat 222 further includes an inclined surface 2222 . When the supporting arm 26 is in the folded state, the short section 262 abuts against the inclined surface 2222 .

[0047] See also Fig. 9 And refer to Figure 1-Figure 8 In some simple replacements, the support arm 26 is rotatably connected to the connection seat 25, and the two ends of the support arm 26 are divided into a long section 261 and a short section 262 relative to the rotation point thereof, and the length of the long section 261 is longer than that of the short section 262. The connection seat 25 is also provided with a protrusion 251 at a position close to the short section 262. The long section 261 is turned over by gravity and drives the upper side of the short section 262 to abut against the protrusion 251 so that the support arm 26 is in an extended state; the blocking seat 222 includes a blocking block 2221. When the connection seat 25 is close to the blocking seat 222, the blocking block 2221 pushes against the long section 261 so that the support arm 26 is in a retracted state. The upper side of the short section 262 also includes a notch 2621. When the support arm 26 is in an extended state, the protrusion 251 corresponds to the notch 2621.

[0048] During installation, the guide base 22, the support base 124, the pipeline pressure plate 4, the pipeline structure 6, and the support body 125 are connected in the connection manner described above, so that the connection seat 25 is against the blocking seat 222, and the support arm 26 is in a retracted state, so that the operating component 21 passes through the axial channel and the connection seat 25 from top to bottom to connect with a bearing component 2223 on the blocking seat 222, and the operating component 21 can be rotated by the operation interface 23 located at its upper end, and the operation interface 23 is a hexagonal interface, which can be connected by a tool to achieve operation. The faucet housing 11 is sleeved on the outside of the support body 12 from top to bottom, and the lower end of the faucet housing 11 is nested with the support seat, and the upper end of the faucet housing 11 is nested with the upper end of the support body 125 and the neck component 24. The valve sleeve 17 is installed from the lateral opening 111, and the valve sleeve 17 is threadedly connected to the valve seat 121. Then, the valve core 13 is installed on the valve seat 121, and the valve core 13 is pressed and fixed by the pressure cover 14, and then the handle 16 is connected to the valve core 13. The guide base 22 is passed through the installation hole 201 from top to bottom, and then, the operating component 21 is operated by a tool to rotate it until the support arm 26 abuts against the lower side of the table 20, and then the elbow 15 is connected. In this embodiment, the operating component 21 is a hollow tubular structure, and the pipeline structure 6 includes a pull-out tube, which passes through the operating component 21 and the elbow 15 to be connected to the water outlet 151, and the water outlet 151 is pullably arranged at the end of the elbow 15.

[0049] The above is only a preferred specific implementation of the present invention, but the design concept of the present invention is not limited to this. Any technician familiar with the technical field who uses this concept to make non-substantial changes to the present invention within the technical scope disclosed by the present invention shall be deemed to infringe the protection scope of the present invention.

Claims

1. A faucet, characterized in that: It comprises a faucet body and a locking assembly; the locking assembly is connected to the faucet body, the locking assembly is configured to pass through a mounting hole of a countertop, and the locking assembly is at least partially controllably abutted against the bottom of the countertop; The faucet body includes a faucet shell, a support body and a valve core, wherein the support body is arranged in the faucet shell, the support body is suitable for being supported above a countertop, the support body is connected to the locking assembly, the support body forms a valve seat for being connected to the valve core, and the locking assembly also includes an operating component rotatably arranged on the support body, the operating component is used to control the locking assembly to abut against below the countertop.

2. A faucet according to claim 1, characterized in that: The locking assembly includes a guide base, which is connected to the lower end of the support body, and the guide base includes a guide wall extending in a vertical direction, and the guide wall is used to separate the lower part of the support body into a first space and a second space; the support body includes an operating space corresponding to the first space and a pipeline space corresponding to the second space, the operating component is arranged in the first space and the operating space, and the pipeline structure of the faucet is penetrated through the second space and the pipeline space to be connected to the valve seat.

3. A faucet according to claim 2, characterized in that: The support body includes a support base and a support main body; the support base is used to support above the countertop and is fixedly connected to the guide base; the faucet also includes a pipeline pressure plate, the support body includes one or more pipeline sockets, the pipeline sockets are connected to the valve seat, the pipeline pressure plate is used to clamp the pipeline structure, the support body is fixedly connected to the support base to clamp and fix the pipeline pressure plate; when the support body is connected to the support base, the pipeline structure is correspondingly plugged into the pipeline socket.

4. A faucet according to claim 1, characterized in that: The valve seat is formed on the side wall of the support body, and the faucet also includes a valve sleeve, which is connected to the valve seat to form a valve cavity for accommodating the valve core; the faucet also includes a pressure cover, which is connected to the end of the valve sleeve to press and fix the valve core.

5. A faucet according to claim 1, characterized in that: The operating component is tubular; the upper end of the operating component extends out of the upper end of the supporting body; the upper end of the operating component is connected to an operating interface, and the operating component is hung and rotated on the faucet shell through a neck component.

6. A faucet according to claim 1, characterized in that: The locking assembly includes a guide base, which is connected to the lower end of the support body, and the guide base includes a guide wall extending in a vertical direction. The locking assembly includes a connecting seat and support arms connected to both sides of the connecting seat, and one side wall of the connecting seat is abutted and fitted with the guide wall. The operating component is threadedly connected to the connecting seat, and the operating component can be rotated to drive the connecting seat to move along the guide wall so that the support arm can abut under the table.

7. A faucet according to claim 6, characterized in that: The guide base also includes a blocking seat connected to the guide wall, and the support arm includes an extended state and a retracted state relative to the connecting seat; the support arm is controlled by the operating component to approach or move away from the blocking seat, the support arm is in a retracted state when approaching the blocking seat, and the support arm is in an extended state when moving away from the blocking seat; wherein the radial dimension of the support arm in the extended state is larger than the mounting hole of the table top.

8. A faucet according to claim 7, characterized in that: The support arm is rotatably connected to the connecting seat, and the two ends of the support arm are divided into a long section and a short section relative to its rotation point, the length of the long section is longer than that of the short section, and the connecting seat is also provided with a protrusion at a position close to the long section, and the long section is flipped over by gravity so that its lower side abuts against the protrusion to put the support arm in an extended state; the blocking seat includes a blocking block, and when the connecting seat is close to the blocking seat, the blocking block pushes against the long section to put the support arm in a retracted state; wherein, when the blocking block abuts against the long section in the extended state, the distance between the blocking block and the rotation point is greater than the distance between the protrusion and the rotation point.

9. A faucet according to claim 8, characterized in that: The lower side of the short section also includes a notch, and when the support arm is in the folded state, the protrusion corresponds to the notch.

10. A faucet according to claim 7, characterized in that: The support arm is rotatably connected to the connecting seat, and the two ends of the support arm are divided into a long section and a short section relative to its rotation point, the length of the long section is longer than the short section, and the connecting seat is also provided with a protrusion at a position close to the short section. The long section is flipped under the action of gravity and drives the upper side of the short section to abut against the protrusion so that the support arm is in an extended state; the blocking seat includes a blocking block, and when the connecting seat is close to the blocking seat, the blocking block pushes the long section to put the support arm in a retracted state.

11. A faucet according to claim 10, characterized in that: The upper side of the short section also includes a notch, and when the support arm is in the unfolded state, the protrusion corresponds to the notch.

12. A faucet according to claim 8 or 10, characterized in that: The blocking seat further comprises an inclined surface, and when the support arm is in the folded state, the short section abuts against the inclined surface.

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