Assembly structure of faucet

Abstract

The assembly structure comprises a faucet shell, a valve element assembly, a handle and a limiting piece, an upper opening and a lower opening are formed in the top and the bottom of the faucet shell respectively, the valve element assembly is installed in the faucet shell from the lower opening, and the limiting piece is detachably installed at the lower opening and abuts against the valve element assembly. The top of a valve rod of the valve element assembly extends out of the upper opening, the handle cover is arranged on the upper opening and connected with the valve rod, an assembly mode from bottom to top is adopted, the limiting piece is located at the bottom of the faucet shell, and the problem that water enters the top of the faucet shell easily is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to faucet technical field, especially relate to a faucet's assembly structure. BACKGROUND

[0002] The faucet is mainly composed of handle, faucet shell, valve core assembly and the like structure, and the general faucet assembly mode is to assemble the valve core assembly into the faucet shell from the top opening of the faucet shell, and then install the handle, adopting the assembly mode from top to bottom. For example, the patent CN219493184U discloses a lead-free water faucet, which is provided with a mounting seat in the interior of the faucet shell, and further provided with a limiting cover cooperating with the mounting seat to fix the valve core assembly. During assembly, the valve core assembly is first assembled into the faucet shell from the upper port, and then the limiting cover is screwed in the interior of the upper port, and the valve core assembly is clamped between the limiting cover and the mounting seat, and finally the handle is installed. The defect of this assembly structure is that the threaded connection between the limiting cover and the upper port cannot guarantee complete sealing, for example, the limiting cover is not installed well, or the faucet is used for a long time, which causes the sealing between the limiting cover and the upper port to be easily invalid. After the sealing is invalid, the external water is easy to flow into the interior of the faucet shell from between the limiting cover and the upper port, and flow downward to the valve core assembly. The water in the interior of the faucet shell is easy to breed bacteria, which is unhygienic, and further easy to cause the faucet shell and the valve core assembly to rust, affecting the service life. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a faucet assembly structure, which adopts the assembly mode from bottom to top, and the limiting piece is located at the bottom of the faucet shell, so as to solve the problem that water is easy to enter the top of the faucet shell.

[0004] To achieve the above purpose, the utility model provides a faucet assembly structure, which comprises a faucet shell, a valve core assembly, a handle and a limiting piece. The top and bottom of the faucet shell are respectively provided with an upper opening and a lower opening. The valve core assembly is assembled into the interior of the faucet shell from the lower opening. The limiting piece is detachably installed at the lower opening and abuts against the valve core assembly. The valve rod top of the valve core assembly extends from the upper opening. The handle is placed on the upper opening and connected with the valve rod.

[0005] Further, the interior of the faucet shell is provided with a limiting boss, and the outer periphery of the valve core assembly is provided with a convex edge abutting against the limiting boss.

[0006] Further, the valve core assembly comprises a valve stem, an upper housing, a water flow control assembly and a base, the base is provided with a first water inlet channel, a second water inlet channel and a water outlet channel, the water flow control assembly is arranged on the base to control the on-off between the first water inlet channel, the second water inlet channel and the water outlet channel, the valve stem is connected with the water flow control assembly, the upper housing is arranged on the outer periphery of the water flow control assembly, and the outer periphery of the upper housing is provided with a convex edge and a limiting boss in abutment.

[0007] Further, the water flow control assembly comprises a rotor, a dial, an upper ceramic sheet, a lower ceramic sheet and an inner sealing ring, the lower ceramic sheet is arranged on the base, and the lower ceramic sheet is provided with a first water inlet end, a second water inlet end and a water outlet end of the water flow control assembly; the first water inlet channel and the second water inlet channel are communicated with the first water inlet end and the second water inlet end respectively; the water outlet channel is communicated with the water outlet end; the middle part of the valve stem is pivotally connected with the rotor, and the lower end of the valve stem is connected with the dial through the rotor; the dial is connected with the upper ceramic sheet; the upper ceramic sheet is arranged on the lower ceramic sheet, and the inner part of the upper ceramic sheet is provided with a mixed water cavity communicated with the first water inlet end, the second water inlet end and the water outlet end; and the inner sealing ring is arranged between the lower ceramic sheet and the base.

[0008] Further, the limiting member is provided with a cold and hot water inlet pipe between the limiting member and the valve core assembly, and the cold and hot water inlet pipe is connected with the first water inlet channel and the second water inlet channel respectively.

[0009] Further, the middle part of the faucet shell is provided with a spray pipe, the water outlet of the water outlet channel is arranged in the middle part of the base to be connected with the spray pipe, and two sealing rings are arranged between the base and the faucet shell and located on the upper side and the lower side of the water outlet of the water outlet channel respectively.

[0010] Further, the outer periphery of the limiting member is threadedly connected with the inner side of the lower opening.

[0011] Further, the inner periphery of the limiting member is provided with an inner thread for mounting the faucet.

[0012] Further, the outer periphery of the upper opening is a dome part which is integrally arranged with the faucet shell, one end of the handle is provided with a cylinder, and the cylinder is arranged on the dome part to cover the upper opening in the cylinder.

[0013] Further, the inner part of the cylinder is provided with a downwardly extending mounting cylinder, the top part of the valve stem is located in the mounting cylinder, and the mounting cylinder and the side wall of the cylinder are both provided with corresponding mounting holes, and the valve stem and the handle are fixed through the cooperation of the mounting holes and the bolt or the screw rod.

[0014] After the above scheme is adopted, the beneficial effects of the present application are as follows:

[0015] The utility model discloses a from bottom to top assembly mode is assembled faucet, and the valve core subassembly is installed from the lower opening of faucet shell bottom, installs the limiting piece at the lower opening after being installed, and the valve core subassembly is abutted and is limited below, and the top of valve stem stretches out from the upper opening after being installed, then handle cover is placed on the upper opening, and handle is connected with the top of valve stem, can complete the assembly of faucet, not only convenient to assemble, and the limiting piece is installed at the lower opening of faucet shell bottom, according to the characteristic of water from top to bottom, water does not flow into the inside of faucet shell from the shell and the limiting piece, solve the problem that the existing faucet from top to bottom assembly is easy to fill from the top, make the inside of faucet shell not easy to breed bacteria, and faucet shell and valve core subassembly are not easy to rust. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the sectional view of the utility model;

[0018] Figure 3 It is Figure 2 It is the local enlarged view of A place in the middle;

[0019] Figure 4 It is the parts exploded view of the utility model;

[0020] Figure 5 It is the parts exploded view of the valve core subassembly of the utility model;

[0021] Figure 6 It is the structure schematic diagram of the base of the utility model.

[0022] REFERENCE SIGNS:

[0023] 1, faucet shell;11, upper opening;12, lower opening;13, limiting boss;14, spray pipe;15, round top;2, valve core subassembly;21, valve stem;22, upper shell;221, convex edge;23, water flow control assembly;231, rotor;232, dial;2321, plug;233, upper porcelain piece;2331, mixed water cavity;2332, slot;234, lower porcelain piece;2341, first water inlet end;2342, second water inlet end;2343, water outlet end;2344, limiting slot;235, inner sealing ring;24, base;241, first water inlet channel;242, second water inlet channel;243, water outlet channel;244, installation slot;245, limiting block;3, handle;31, barrel;32, installation cylinder;33, mounting hole;4, limiting piece;5, cold and hot water inlet pipe;6, sealing ring. DETAILED DESCRIPTION

[0024] The utility model will be described in detail below in connection with the drawings and specific embodiment.

[0025] As Figures 1-6 shown, the utility model provides a kind of assembling structure of faucet, including faucet shell 1, valve core assembly 2, handle 3 and limiting piece 4, the top and bottom of the faucet shell 1 are equipped with upper opening 11 and lower opening 12 respectively, the valve core assembly 2 is loaded into the inside of faucet shell 1 from lower opening 12, the limiting piece 4 can be detachably installed at lower opening 12 and with valve core assembly 2 abut, limiting piece 4 is located below valve core assembly 2 and can limit valve core assembly 2, after valve core assembly 2 is installed, the top of valve rod 21 of valve core assembly 2 will extend from upper opening 11, then handle 3 is covered on upper opening 11, and handle 3 is connected with valve rod 21, the assembling of faucet can be completed, it is convenient to assemble, and limiting piece 4 is installed at lower opening 12 of the bottom of faucet shell 1, the top of faucet shell 1 is integrally provided with not detachable limiting structure, water cannot flow from limiting piece 4 and faucet shell 1 to the inside of faucet shell 1 upwards, solve the problem that the existing faucet is assembled from top to bottom and is easy to water from top.

[0026] Focus on Figures 2-3 , as preferred embodiment, the inside of the faucet shell 1 is equipped with limiting boss 13, the outer periphery of the valve core assembly 2 is equipped with convex edge 221, after valve core assembly 2 is loaded into faucet shell 1, limiting boss 13 and convex edge 221 abut, limiting boss 13 and convex edge 221 abut and cooperate to prevent valve core assembly 2 from being taken out from upper opening 11 of faucet shell 1, and valve core assembly 2 can also be positioned, facilitate to confirm whether valve core assembly 2 is installed in place, improve assembling speed, the up-and-down cooperation of limiting boss 13 and limiting piece 4 can fix valve core assembly 2 in faucet shell 1, also facilitate subsequent installation handle 3.

[0027] Focus on Figures 2-5, Specifically, the valve core assembly 2 comprises a valve stem 21, an upper housing 22, a water flow control assembly 23 and a base 24, the base 24 is provided with a first water inlet channel 241, a second water inlet channel 242 and a water outlet channel 243, the first water inlet channel 241 and the second water inlet channel 242 are respectively connected to the cold and hot water inlet pipes 5, the first water inlet channel 241 and the second water inlet channel 242 can pass through the base 24 up and down, the cold and hot water inlet pipes 5 can be arranged between the base 24 and the limiting piece 4, the top of the cold and hot water inlet pipes 5 is connected to the bottom of the first water inlet channel 241 and the second water inlet channel 242, and the bottom of the cold and hot water inlet pipes 5 is connected to the cold and hot water supply hoses outside the faucet shell 1 to realize water inlet. The middle part of the faucet shell 1 is provided with a spray pipe 14, the water outlet channel 243 is connected to the spray pipe 14, and water flow is sprayed from the water outlet channel 243 to realize water outlet. The water flow control assembly 23 is arranged on the base 24 to control the on-off between the first water inlet channel 241, the second water inlet channel 242 and the water outlet channel 243, the valve stem 21 is connected to the water flow control assembly 23, and the handle 3 is pried and rotated to control the on-off of the faucet and the water temperature of the water outlet. The upper housing 22 covers the outer periphery of the water flow control assembly 23, and specifically, a convex edge 221 can be arranged on the outer periphery of the upper housing 22 to abut and cooperate with the limiting boss 13.

[0028] Further, the water flow control assembly 23 comprises a rotor 231, a dial 232, an upper ceramic sheet 233, a lower ceramic sheet 234, and an inner sealing ring 235. The lower ceramic sheet 234 is arranged on the base 24 and is provided with a first water inlet end 2341, a second water inlet end 2342, and a water outlet end 2343 of the water flow control assembly 23. The top portions of the first water inlet channel 241 and the second water inlet channel 242 are respectively communicated with the first water inlet end 2341 and the second water inlet end 2342. The water inlet of the water outlet channel 243 is arranged on the top of the base 24 and is communicated with the water outlet end 2343. The middle portion of the valve rod 21 is pivotally connected with the rotor 231. The lower end of the valve rod 21 is ball-jointedly connected with the dial 232 through the rotor 231. The dial 232 is connected with the upper ceramic sheet 233. The upper ceramic sheet 233 is arranged on the lower ceramic sheet 234. The inner portion of the upper ceramic sheet 233 is provided with a water mixing cavity 2331 which is communicated with the water outlet end 2343. When the water is turned off, the upper ceramic sheet 233 covers the first water inlet end 2341 and the second water inlet end 2342. The water mixing cavity 2331 is only communicated with the water outlet end 2343. By lifting the handle 3, the valve rod 21 can be swung to drag the dial 232 and the upper ceramic sheet 233 to move. The upper ceramic sheet 233 slides relative to the lower ceramic sheet 234 to expose the first water inlet end 2341 and the second water inlet end 2342 to be communicated with the water mixing cavity. The cold and hot water is mixed in the water mixing cavity and then flows out from the water outlet end 2343 and the water outlet channel 243 to realize the water outlet of the faucet. In addition, the handle 3 can be rotated to drive the valve rod 21 and the rotor 231 to rotate, and then drive the dial 232 and the upper ceramic sheet 233 to rotate. The upper ceramic sheet 233 rotates horizontally relative to the lower ceramic sheet 234 to adjust the water inlet amount of the cold and hot water, so as to adjust the water temperature. In addition, the inner sealing ring 235 is arranged between the lower ceramic sheet 234 and the base 24 to ensure the sealing between the lower ceramic sheet 234 and the base 24.

[0029] The base 24 has a mounting groove 244 at its top, and a sealing groove for inserting an inner sealing ring 235 at the bottom of the mounting groove 244. A limiting block 245 is provided on the side wall of the mounting groove 244. The lower ceramic piece 234 is placed in the mounting groove 244, and a limiting groove 2344 that cooperates with the limiting block 245 is provided on the outer periphery of the lower ceramic piece 234. The lower ceramic piece 234 can be positioned on the base 24 by the cooperation of the limiting block 245 and the limiting groove 2344. The upper ceramic piece 233 has a slot 2332 at its top, and a plug 2321 that cooperates with the slot 2332 is provided at the bottom of the dial 232. The dial 232 can drive the upper ceramic piece 233 to move horizontally by the cooperation of the plug 2321 and the slot 2332. During assembly, first, insert the inner sealing ring 235 into the sealing groove. Then, align the limiting groove 2344 of the lower ceramic plate 234 with the limiting block 245, and insert the lower ceramic plate 234 into the mounting groove 244. Next, install the upper ceramic plate 233 tightly onto the lower ceramic plate 234. Then, insert the insert block 2321 of the dial 232 into the slot 2332, and install the rotor 231 and valve stem 21. Finally, place the upper outer shell 22 over the outer periphery of the water flow control component 23 to complete the assembly of the valve core assembly 2. The setting of the limiting groove 2344 and the limiting block 245, the insert block 2321 and the slot 2332 not only has a limiting function, but also facilitates assembly. After the valve core assembly 2 is assembled, it can be installed into the faucet housing 1, then the hot and cold water inlet pipes 5 are installed, then the limiting component 4 is installed, and finally the handle 3 is installed to complete the faucet assembly.

[0030] Furthermore, the interior of the upper outer shell 22 is also provided with an abutment structure that abuts against the rotor 231, facilitating the assembly and positioning of the valve core assembly 2. The water outlet of the water outlet channel 243 is located in the middle of the base 24 to connect with the spray pipe 14. Two sealing rings 6 are provided between the base 24 and the faucet housing 1, respectively located on the upper and lower sides of the water outlet of the water outlet channel 243, ensuring a sealed connection between the water outlet channel 243 and the spray pipe 14.

[0031] Key references Figure 2 The limiting member 4 can be threadedly connected to the inner side of the lower opening 12. Specifically, the upper outer periphery of the limiting member 4 can be threadedly connected to the inner side of the lower opening 12, or the entire outer periphery of the limiting member 4 can be threadedly connected to the inner side of the lower opening 12. This arrangement ensures that the limiting member 4 is entirely located inside the faucet housing 1, reducing the seepage of external water into the faucet housing 1 through the limiting member 4. Of course, the limiting member 4 can also be threadedly connected to the outer side of the faucet housing 1, extending inward at the bottom of the faucet housing 1 to abut against the hot and cold water inlet pipes 5.

[0032] In a preferred embodiment, the limiting member 4 is a connector pipe fitting with threads on both the inner and outer circumferences. The external thread on the outer circumference of the limiting member 4 is connected to the internal thread on the lower opening 12, while the internal thread on the inner circumference facilitates the installation of a faucet, for example, installing the faucet on the countertop of the sink.

[0033] Key references Figure 3 The outer periphery of the upper opening 11 is a dome 15 integrally formed with the faucet housing 1. One end of the handle 3 is provided with a cylindrical body 31. The cylindrical body 31 covers the dome 15 and can cover the upper opening 11 inside the cylindrical body 31. The dome 15 is designed to facilitate the up and down movement and left and right rotation of the handle 3. Moreover, the dome 15 is integrally formed with the faucet housing 1 and is covered by the cylindrical body 31, making it difficult for water to enter the top of the faucet.

[0034] Furthermore, the interior of the cylinder 31 is provided with a downwardly extending mounting cylinder 32, and the top of the valve stem 21 is located inside the mounting cylinder 32. The mounting cylinder 32 and the side wall of the cylinder 31 are both provided with corresponding mounting holes 33. By cooperating with the mounting holes 33 using a pin or screw, the valve stem 21 and the handle 3 can be fixed, which facilitates the installation of the handle 3.

[0035] The above description is only a preferred embodiment of this utility model and is not intended to limit the design of this case. All equivalent changes made based on the key design of this case shall fall within the protection scope of this case.

Claims

1. An assembly structure for a faucet, characterized in that: The device includes a faucet housing, a valve core assembly, a handle, and a limiting member. The faucet housing has an upper opening at the top and a lower opening at the bottom. The valve core assembly is installed into the faucet housing through the lower opening. The limiting member is detachably installed at the lower opening and abuts against the valve core assembly. The top of the valve stem of the valve core assembly extends out from the upper opening. The handle cover is placed on the upper opening and connected to the valve stem.

2. The faucet assembly structure as described in claim 1, characterized in that: The faucet housing has a limiting boss inside, and the valve core assembly has a raised edge on its outer periphery that abuts against the limiting boss.

3. The faucet assembly structure as described in claim 2, characterized in that: The valve core assembly includes a valve stem, an upper housing, a water flow control component, and a base. The base is provided with a first water inlet channel, a second water inlet channel, and a water outlet channel. The water flow control component is disposed on the base to control the opening and closing of the first water inlet channel, the second water inlet channel, and the water outlet channel. The valve stem is connected to the water flow control component. The upper housing covers the outer periphery of the water flow control component, and the outer periphery of the upper housing is provided with a protruding edge that abuts against a limiting boss.

4. The faucet assembly structure as described in claim 3, characterized in that: The water flow control component includes a rotor, a dial, an upper ceramic plate, a lower ceramic plate, and an inner sealing ring. The lower ceramic plate is mounted on the base and has a first water inlet, a second water inlet, and a water outlet. The first water inlet channel and the second water inlet channel are respectively connected to the first water inlet and the second water inlet. The water outlet channel is connected to the water outlet. The middle part of the valve stem is pivotally connected to the rotor, and the lower end of the valve stem passes through the rotor and is ball-hinged with the dial. The dial is connected to the upper ceramic plate. The upper ceramic plate is attached to the lower ceramic plate. The interior of the upper ceramic plate has a mixing chamber that connects the first water inlet, the second water inlet, and the water outlet. An inner sealing ring is provided between the lower ceramic plate and the base.

5. The faucet assembly structure as described in claim 3 or 4, characterized in that: A hot and cold water inlet pipe is provided between the limiting component and the valve core assembly, and the hot and cold water inlet pipe is connected to the first water inlet channel and the second water inlet channel respectively.

6. The faucet assembly structure as described in claim 3 or 4, characterized in that: A spray pipe is provided in the middle of the faucet housing, and the water outlet of the water outlet channel is located in the middle of the base to connect with the spray pipe. Two sealing rings are provided between the base and the faucet housing, and the two sealing rings are located on the upper and lower sides of the water outlet of the water outlet channel, respectively.

7. The faucet assembly structure as described in claim 1, characterized in that: The outer periphery of the limiting member is threadedly connected to the inner side of the lower opening.

8. The faucet assembly structure as described in claim 7, characterized in that: The limiting member has an internal thread on its inner circumference for installing a faucet.

9. The faucet assembly structure as described in claim 1, characterized in that: The outer periphery of the upper opening is a rounded top integrally formed with the faucet housing. One end of the handle is provided with a cylindrical body, which is placed on the rounded top to place the upper opening mask inside the cylindrical body.

10. The faucet assembly structure as described in claim 9, characterized in that: The cylinder body has a downwardly extending mounting cylinder inside, and the top of the valve stem is located inside the mounting cylinder. The mounting cylinder and the side wall of the cylinder body are provided with corresponding mounting holes. The valve stem and handle are fixed by the cooperation of the pin or screw with the mounting holes.

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