CN217081522U - Tap and water channel assembly thereof - Google Patents

Abstract

The utility model discloses a tap and a water channel component thereof, wherein, the water channel component comprises a water channel body which is integrally formed by adopting an injection molding process; the water channel body comprises a base provided with a first end face, and a first water inlet pipe, a second water inlet pipe and a first water outlet pipe, wherein one end of the first water inlet pipe, one end of the second water inlet pipe and one end of the first water outlet pipe are connected to the base; the water channel assembly is further provided with a plurality of channels which extend to the first end face from one ends, deviating from the base, of the first water inlet pipe, the second water inlet pipe and the first water outlet pipe respectively, and the first end face is used for being abutted to the valve core. The water channel assembly can reduce the working hours for assembling the faucet, so that the faucet is simpler in structure, more stable in performance and improved in yield.

Description

Tap and water channel assembly thereof

Technical Field

The utility model relates to a tap and water course subassembly thereof.

Background

A lot of bathtub faucets with plastic water channels on the market can prevent water from being polluted by heavy metal. The zinc alloy used for the shell is more cost-saving than copper casting. However, in the prior art, the water channel of the faucet is formed by splicing a plurality of pipe fittings, the strength and the yield of the water channel are reduced, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a water course subassembly, it includes: the water channel body is integrally formed by adopting an injection molding process;

the water channel body comprises a base provided with a first end face, and a first water inlet pipe, a second water inlet pipe and a first water outlet pipe, wherein one end of the first water inlet pipe, one end of the second water inlet pipe and one end of the first water outlet pipe are connected to the base;

the water channel assembly is further provided with a plurality of channels which extend to the first end face from one ends, deviating from the base, of the first water inlet pipe, the second water inlet pipe and the first water outlet pipe respectively, and the first end face is used for being abutted to the valve core.

The utility model also provides a tap, which comprises the water channel component and a valve core which is abutted with the first end surface;

the first water inlet pipe is used for injecting hot water into the valve core, the second water inlet pipe is used for injecting cold water into the valve core, and the valve core is used for mixing the hot water and the cold water according to a set proportion and then conveying the mixture to the first water outlet pipe.

Because the water course body adopts injection molding process integrated into one piece, the water course body itself is a part, and self need not the equipment, has reduced the man-hour of leading assembly for the structure of tap is simpler, and the performance of tap is more stable, has improved the yields of tap. Meanwhile, the water channel body is made of plastic, so that the water channel is not rusted, is corrosion-resistant and is low in cost.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.

Fig. 1 is a schematic perspective view of a faucet according to an embodiment of the present invention;

fig. 2 is a disassembled schematic view of a faucet in an embodiment of the present invention;

fig. 3 is a disassembled schematic view of a waterway assembly in an embodiment of the present invention;

FIG. 4 is a front elevational view, in full section, of a faucet embodying the present invention;

FIG. 5 is a left side elevational view, in full section, of a faucet embodying the present invention;

fig. 6 is a top plan view of a faucet in an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

As shown in fig. 1 and 2, fig. 1 and 2 show a structure of a faucet 100 according to the present embodiment. The faucet 100 includes a waterway assembly 1, a valve cartridge 2, and a first handle 10.

The waterway assembly 1 includes a waterway body 11, a first plug 12, a second plug 13 and a third plug 14. The waterway body 11 is an integral structure. The waterway body 11 is a plastic piece. The waterway body 11 may be formed by an injection molding process. The waterway body 11 includes a first inlet pipe 111, a second inlet pipe 112, a first outlet pipe 113, and a base 114. The base 114 may be configured to be cylindrical. The end surface of one end of the base 114 is a first end surface 1141. In the installed state of the faucet 100, the first end surface 1141 is generally facing upward. The first inlet pipe 111, the second inlet pipe 112 and the first outlet pipe 113 are all configured as straight pipes. One ends of the first inlet pipe 111, the second inlet pipe 112 and the first outlet pipe 113 are connected to the base 114. The first inlet pipe 111, the second inlet pipe 112 and the first outlet pipe 113 all extend in a radial direction of the base 114. The first and second water inlet pipes 111 and 112 may be disposed on opposite sides of the base 114, respectively, and coaxially disposed. The first outlet pipe 113 is perpendicular to the first inlet pipe 111 and the second inlet pipe 112.

The waterway body 11 is further provided with a first channel 1191, a second channel 1192, a third channel 1193, a fourth channel 1194, a fifth channel 1195 and a sixth channel 1196. A first passageway 1191 extends from the end of the first inlet conduit 111 facing away from the base 114 into the base 114. The second channel 1192 extends from an end of the first channel 1191 within the base 114 to the first end surface 1141 of the base 114. A third passageway 1193 extends from the end of the second inlet conduit 112 facing away from the base 114 into the base 114. A fourth channel 1194 extends from an end of the third channel 1193 within the base 114 to the first end surface 1141 of the base 114. A fifth passage 1195 extends from an end of the first outlet tube 113 facing away from the base 114 to a side of the base 114 facing away from the first outlet tube 113, the fifth passage 1195 passing through the first outlet tube 113 and the base 114. The sixth channel 1196 extends from the portion of the fifth channel 1195 located within the base 114 to the first end surface 1141 of the base 114.

The wall of the first water inlet pipe 111 is further provided with a first opening 1111, and the first opening 1111 is disposed at an end of the first water inlet pipe 111 facing away from the base 114. The pipe wall of the second water inlet pipe 112 is further provided with a second opening 1121, and the second opening 1121 is disposed at an end of the second water inlet pipe 112 away from the base 114. The first opening 1111 and the second opening 1121 both face a side away from the first water outlet pipe 113.

Waterway body 11 further includes a first connector 115 and a second connector 116. The first joint 115 and the second joint 116 are each provided in a cylindrical shape. One end of the first joint 115 is connected to the outer circumferential wall of the first water inlet pipe 111 and is connected to the first opening 1111. One end of the second joint 116 is connected to the outer circumferential wall of the second water inlet pipe 112 and is communicated with the second opening 1121. The first joint 115 and the second joint 116 are each provided with an external thread.

The first plug 12, the second plug 13 and the third plug 14 are each configured in a generally cylindrical configuration. The first plug 12 blocks the end of the first channel 1191 facing away from the base 114, i.e. the first plug 12 blocks the end of the first inlet tube 111 facing away from the base 114. The second plug 13 blocks the end of the third channel 1193 facing away from the base 114, i.e. the second plug 13 blocks the end of the second water inlet tube 112 facing away from the base 114. The third plug 14 blocks the end of the fifth channel 1195 facing away from the first outlet pipe 113, i.e. the third plug 14 blocks the end of the fifth channel 1195 located on the base 114.

The valve core 2 is a water mixing valve core 2. The valve element 2 abuts against the first end surface 1141 of the base 114. The valve body 2 communicates with the second passage 1192, the fourth passage 1194, and the sixth passage 1196. The valve core 2 can mix the water input into the valve core 2 from the second channel 1192 and the water input into the valve core 2 from the fourth channel 1194 according to a set proportion and input the mixed water into the sixth channel 1196, and can adjust the flow rate of the water input into the sixth channel 1196. In the present embodiment, hot water may be input into the first passage 1191 from the first joint 115, the hot water may be fed into the valve element 2 along the first passage 1191 and the second passage 1192, cold water may be input into the third passage 1193 from the second joint 116, the cold water may be fed into the valve element 2 along the third passage 1193 and the fourth passage 1194, the cold water and the hot water may be mixed in the valve element 2 and then fed into the sixth passage 1196, and may be fed into the fifth passage 1195 along the sixth passage 1196 and then output from the fifth passage 1195. The spool 2 includes an operation shaft 21. The ratio of cold water to hot water can be set by rotating the operating shaft 21, and the opening of the valve element 2 can be adjusted by lifting and pressing the operating shaft 21, so that the flow rate of the water delivered by the valve element 2 to the sixth channel 1196 can be adjusted. One end of the first handle 10 is connected to the operating shaft 21 of the valve core 2, and the first handle 10 and the valve core 2 can be clamped or screwed. The user operates the first handle 10 to move the operation shaft 21.

Because the water channel body 11 adopts the injection molding technology integrated into one piece, the water channel body 11 is a part, and self need not to assemble, has reduced the man-hour of tap 100 assembly for the structure of tap 100 is simpler, and the performance of tap 100 is more stable, has improved the yields of tap 100. Meanwhile, the water channel body 11 is made of plastic, so that the water channel is not rusted, is corrosion-resistant and is low in cost.

In an exemplary embodiment, the first channel 1191, the second channel 1192, the third channel 1193, the fourth channel 1194, the fifth channel 1195, and the sixth channel 1196 are straight channels without internal thread structures.

The first channel 1191, the second channel 1192, the third channel 1193, the fourth channel 1194, the fifth channel 1195 and the sixth channel 1196 are provided as straight channels, which are easy to be demolded when the waterway body 11 is injection-molded.

In an exemplary embodiment, first plug 12 has an interference fit with first channel 1191. The second plug 13 is in interference fit with the third channel 1193. Therefore, the first plug 12 and the first water inlet pipe 111 are convenient to assemble, and the second plug 13 and the second water inlet pipe 112 are convenient to assemble.

In an exemplary embodiment, the waterway assembly 1 further includes a connecting pin 17. The connecting pin 17 includes a plug 171. The third plug 14 is pinned to the base 114 by a pin 171 of the connector pin 17. In this embodiment, the base 114 is provided with a pin hole (not shown) that is connected to the fifth passage 1195 and the outer wall of the base 114. The third plug 14 is provided with a locking groove 141. The locking groove 141 of the third plug 14 may be an annular groove formed on the outer circumferential wall of the third plug 14. The plug 171 is inserted from a pin hole of the base 114 to protrude into the card slot 141.

Due to the pin connection between the third plug 14 and the base 114, the third plug 14 can be quickly assembled to the base 114, thereby saving assembly time.

In one exemplary embodiment, there are two of the latches 171 and the connecting pin 17 further includes a connecting rod 172. The two pins 171 are parallel to each other. The connecting rod 172 is connected to one end of the two latches 171 close to each other. The two latches 171 and the connecting bar 172 are connected to form a U-shaped structure.

Two pin holes are formed in the base 114 and are parallel to each other. The two pin holes are aligned with opposite side portions of the card slot 141, respectively. The two insertion pins 171 can be inserted into the two pin holes and into the locking grooves 141, respectively, and the two insertion pins 171 lock opposite sides of the third plug 14, so that the third plug 14 is difficult to be separated from the base 114.

In an exemplary embodiment, the waterway assembly 1 further includes a first seal ring 15, a second seal ring 16, and a third seal ring 19. The first sealing ring 15, the second sealing ring 16 and the third sealing ring 19 are all designed in the form of a ring.

The first sealing ring 15 is sleeved on the first plug 12. The inner edge of the first sealing ring 15 abuts against the outer peripheral wall of the first plug 12, and the outer edge of the first sealing ring 15 abuts against the inner peripheral wall of the first channel 1191. The first sealing ring 15 is used for sealing the gap between the first plug 12 and the first channel 1191.

The second plug 13 is sleeved with a second sealing ring 16. The inner edge of the second sealing ring 16 abuts against the outer circumferential wall of the second plug 13, and the outer edge of the second sealing ring 16 abuts against the inner circumferential wall of the second channel 1192. The second sealing ring 16 is used for sealing the gap between the second plug 13 and the second channel 1192.

The third sealing ring 19 is sleeved on the third plug 14. The inner edge of the third sealing ring 19 abuts against the outer peripheral wall of the third plug 14, and the outer edge of the third sealing ring 19 abuts against the inner peripheral wall of the third channel 1193. The third sealing ring 19 is used for sealing the gap between the third plug 14 and the third channel 1193.

The first sealing ring 15, the second sealing ring 16 and the third sealing ring 19 can enhance the sealing effect of the faucet 100.

In an exemplary embodiment, the waterway body 11 includes a mounting chamber 117 and a second outlet pipe 118. A mounting chamber 117 is provided at an end of the first outlet pipe 113 facing away from the base 114. A first chamber 1171 and a second chamber 1170 are disposed within the mounting chamber 117. The first and second chambers 1171 and 1170 are each cylindrical chambers. The diameter of the first chamber 1171 is greater than the diameter of the second chamber 1170. The first chamber 1171 is disposed coaxially with the second chamber 1170. The first chamber 1171 and the second chamber 1170 are in communication.

A water inlet 1172 is provided in a side wall of the first chamber 1171. The water inlet 1172 communicates with an end of the fifth channel 1195 facing away from the base 114. The end of the first chamber 1171 facing away from the second chamber 1170 is provided with a first water outlet 1173. A second water outlet 1174 is provided in a side wall of the second chamber 1170. An end of the second chamber 1170 facing away from the first chamber 1171 is provided with a first mounting hole 1175.

The second outlet pipe 118 may be configured as a generally arc-shaped pipe. One end of the second outlet pipe 118 is connected to the installation chamber 117. The first outlet pipe 113 and the second outlet pipe 118 may be located at opposite sides of the installation chamber 117, respectively. A seventh channel 1197 is disposed in the second outlet pipe 118, and the seventh channel 1197 extends along the second outlet pipe 118. The seventh channel 1197 of the second outlet tube 118 is in communication with the second outlet 1174 of the second chamber 1170.

The faucet 100 also includes a valve flap assembly 4 and a valve seat 5. The valve seat 5 is cylindrical. One end of the valve seat 5 is inserted into the first water outlet 1173, and is in sealing engagement with the first water outlet 1173. The other end of the valve seat 5 can be used for externally connecting a shower head.

The flap assembly 4 comprises a flap 43, a pull rod 42 and a second handle 4. The pull rod 42 is a straight rod. The draw rod 42 is disposed coaxially with the first chamber 1171. The pull rod 42 extends through the first mounting aperture 1175 into the first chamber 1171. The second handle 4 is located outside the mounting chamber 117 and is fixed to the pull rod 42. The valve disk 43 is annular in configuration. The valve flap 43 has elasticity, and the valve flap 43 can be made of rubber or silica gel. The valve flap 43 is disposed within the first chamber 1171 and fits over the pull rod 42. The outer diameter of the flap 43 is larger than the inner diameter of the second chamber 1170 and also larger than the inner diameter of the valve seat 5.

The user can operate the second handle 4 to slide the valve flap 43 along the extending direction of the pull rod 42, when the user lifts the second handle 4, the valve flap 43 moves to a position blocking the opening which can connect the first chamber 1171 and the second chamber 1170, and the fifth channel 1195 conveys water into the first chamber 1171 and then discharges the water channel body 11 from the valve seat 5. When the user presses down the second handle 4, the valve flap 43 moves to a position blocking the valve seat 5, the first chamber 1171 communicates with the second chamber 1170, and water in the fifth passage 1195 can pass through the first chamber 1171, the second chamber 1170, and the seventh passage 1197 in sequence to be discharged out of the water passage body 11. Thus, the user can discharge the water pipe by operating the second handle 4.

In an exemplary embodiment, the flap assembly 4 further includes a seal 44 and a spring 45. The seal 44 is configured in the form of a ring. The seal 44 fits over the pull rod 42 and is fixed to the inner wall of the first chamber 1171. The seal 44 prevents water in the second chamber 1170 from flowing out of the first mounting hole 1175.

A spring 45 is fitted over the pull rod 42 and is located between the seal 44 and the flap 43. Both ends of the spring 45 abut against the seal 44 and the valve flap 43, respectively. The spring 45 exerts a spring force on the flap 43 close to the valve seat 5 so that the user does not exert any effort when pressing down the second handle 4.

In an exemplary embodiment, faucet 100 further includes a housing 3. The housing 3 may be a metal shell, and the housing 3 is, for example, a zinc alloy housing 3. The housing 3 is constructed in a substantially T-shaped configuration. The housing 3 includes a first case 31 and a second case 32. The first housing 31 is configured in a bar shape, and may be a straight bar shape. The first housing 31 is provided at one side thereof with a mounting port 34. The mounting port 34 extends from one end of the first housing 31 to the other end of the first housing 31.

The second housing 32 is configured in a bar shape, and the second housing 32 may be configured in a straight bar shape. One end of the second housing 32 is connected to the first housing 31 and communicates with the first housing 31. The second housing 32 extends in a direction perpendicular to the first housing 31. One end of the second housing 32 facing away from the first housing 31 is provided with a first screw hole 321. The first screw hole 321 may be disposed on a downward side of the second housing 32. The second housing 32 is further provided with a second screw hole 322. The second screw hole 322 is located on one side of the first housing 31 and the first screw hole 321 close to the first housing 31. The second screw hole 322 may also be disposed on a downward side of the second housing 32. The second housing 32 is also provided with a second mounting hole. The second mounting hole is disposed on a side of the second housing 32 facing away from the second screw hole 322. The second mounting hole is coaxially disposed with the second screw hole 322.

The waterway assembly 1 is disposed within the housing. The first inlet pipe 111, the second inlet pipe 112, and the base 114 of the waterway body 11 are positioned in the first housing 31. The first inlet pipe 111, the base 114, and the second inlet pipe 112 are sequentially arranged along the extending direction of the first housing 31, and both the first inlet pipe 111 and the second inlet pipe 112 are parallel to the extending direction of the first housing 31. The first water outlet pipe 113, the second water outlet pipe 118 and the installation chamber 117 of the waterway body 11 are all located in the second housing 32, and the first water outlet pipe 113, the installation chamber 117 and the second water outlet pipe 118 are sequentially arranged along the extending direction of the second housing 32.

The housing 3 further comprises a third shell 33. The third housing 33 is provided on the first housing 31. The third housing 33 communicates with the first housing 31. The spool 2 is disposed in the third housing 33.

The first mounting hole 1175 of the mounting chamber 117 is aligned with the second mounting hole of the second housing 32 through which the pull rod 42 is also disposed, and the second handle 4 is located outside the housing 3. The first outlet 1173 of the second chamber 1170 is aligned with the second threaded bore 322. The valve seat 5 is also provided with an external thread, and the valve seat 5 is screwed into the second screw hole 322 to form a threaded connection with the first housing 31. The valve seat 5 fixes the housing 3 and the waterway body 11 together.

The waterway assembly 1 further includes a bubbler 6. The bubbler 6 is provided with an external thread. The bubbler 6 is screwed into the first screw hole 321 and abuts against the second outlet pipe 118. The bubbler 6 opens at an end of the seventh channel 1197 facing away from the mounting chamber 117. The water in the seventh channel 1197 is drained from the bubbler 6. The bubbler 6 may be draining into a bathtub.

Most of the water channel assembly 1 is almost entirely disposed in the housing 3, the housing 3 can protect the water channel assembly 1, and the housing 3 can shield the water channel assembly 1 to make the faucet 100 more beautiful.

In an exemplary embodiment, an end of the first plug 12 extends out of the first channel 1191, and an end surface of the first plug 12 extending out of the first channel 1191 abuts against an inner wall of the first housing 31. One end of the second plug 13 extends out of the third channel 1193, and an end surface of the second plug 13 extending out of the third channel 1193 abuts against an inner wall of the first housing 31.

The first plug 12 abuts against the inner wall of the first shell 31 to prevent the first plug 12 from coming out of the first channel 1191, and the second plug 13 abuts against the inner wall of the second shell 32 to prevent the second plug 13 from coming out of the third channel 1193.

In an exemplary embodiment, a first connection sleeve 35 and a second connection sleeve 36 are also disposed within the first housing 31. The first and second connection sleeves 35 and 36 are connected to the first housing 31. The first and second connection sleeves 35 and 36 are respectively provided at opposite ends of the first housing 31. The first connection sleeve 35 is sleeved on the first connector 115 and is coaxially disposed with the first connector 115. The first coupling sleeve 35 has an annular gap with the first adapter 115. The first coupling sleeve 35 has threads on its inner circumferential wall. The second connecting sleeve 36 is sleeved on the second joint 116 and is coaxially disposed with the second joint 116. The second connecting sleeve 36 has an annular gap with the second joint 116. The second connecting sleeve 36 has threads on its inner peripheral wall.

The tap 100 further comprises a first connection assembly 7 and a second connection assembly 8. The first connection assembly 7 includes a first connection ring 71 and a first nipple 72. An outer circumferential wall of the first connection ring 71 is provided with an external thread, and an inner circumferential wall of the first connection ring 71 is provided with an internal thread. The end wall of the first connecting ring 71 is provided with a lightening groove which is an annular groove, and the lightening groove can reduce the manufacturing cost of the first connecting ring 71. The first connection ring 71 is disposed in the first connection sleeve 35, the first connection ring 71 is disposed coaxially with the first connection sleeve 35, and the external thread of the first connection ring 71 and the internal thread of the first connection sleeve 35 are screwed together so that the first connection ring 71 and the first connection sleeve 35 are screwed together.

The first adapter 72 is designed as a round tube. The outer circumferential wall of the first adapter 72 is provided with external threads. The first adapter tube 72 is fitted over the first joint 115 of the waterway body 11. A sealing ring may be disposed between the first nipple 72 and the first joint 115 to seal a gap between the first nipple 72 and the first joint 115. The first connection ring 71 is fitted over the first connection pipe 72, and the external thread of the first connection pipe 72 and the internal thread of the first connection ring 71 are screwed together, so that a threaded connection is formed between the first connection pipe 72 and the first connection ring 71.

In this way, the first connection pipe 72 is sandwiched between the first connection ring 71 and the first joint 115 to connect the first connection ring 71 and the first joint 115 together, and the first connection ring 71 is further connected to the first connection sleeve 35 on the first housing 31, so that the first housing 31 of the outer housing 3 and the first joint 115 of the waterway body 11 are connected together, so that the waterway body 11 is further fixed on the outer housing 3, and the connection between the waterway body 11 and the outer housing 3 is more stable.

Further, the second connection assembly 8 includes a second connection ring 81 and a second nipple 82. An external thread is provided on the outer circumferential wall of the secondary connection ring 81, and an internal thread is provided on the inner circumferential wall of the secondary connection ring 81. The end wall of the second connection ring 81 is provided with a weight-reducing groove, which is an annular groove, and the weight-reducing groove can reduce the manufacturing cost of the second connection ring 81. The second connection ring 81 is disposed inside the second connection sleeve 36, the second connection ring 81 is disposed coaxially with the second connection sleeve 36, and the external thread of the second connection ring 81 and the internal thread of the second connection sleeve 36 are screwed together so that the second connection ring 81 and the second connection sleeve 36 are screwed together.

The second connecting piece 82 is designed as a round tube. The outer circumferential wall of the second adapter 82 is provided with external threads. The second adapter 82 is fitted over the second joint 116 of the waterway body 11. A sealing ring may be disposed between the second nipple 82 and the second joint 116 to seal a gap between the second nipple 82 and the second joint 116. The second connection ring 81 is fitted over the second connection pipe 82, and the external thread of the second connection pipe 82 and the internal thread of the second connection ring 81 are screwed together, so that a threaded connection is formed between the second connection pipe 82 and the second connection ring 81.

In this way, the second connection pipe 82 is sandwiched between the second connection ring 81 and the second joint 116 to connect the second connection ring 81 and the second joint 116 together, and the second connection ring 81 is further connected to the second connection sleeve 36 on the first housing 31, so that the first housing 31 of the outer housing 3 is connected to the second joint 116 of the waterway body 11, and the waterway body 11 is further fixed to the outer housing 3, and the connection between the waterway body 11 and the outer housing 3 is more stable.

In an exemplary embodiment, the first adapter tube 72 is further provided with a first limit protrusion 721.

A first limit projection 721 projects radially outward from an end of the first connection pipe 72 facing away from the first water inlet pipe 111.

The first stopper protrusion 721 may be configured as an annular protrusion provided on the outer circumferential wall of the first adapter tube 72.

The first connection assembly 7 further includes a first nut 73, a first trim cover 75, and a first elbow 76. The first nut 73 is provided with an internal thread on its inner peripheral wall. One end of the first nut 73 is provided with a second stopper protrusion 731. The second stopper projection 731 projects radially inward from the inner peripheral wall of the first nut 73. The second stopper protrusion 731 may be configured as an annular protrusion.

One end of the first nut 73 provided with the second limiting projection 731 is sleeved on one end of the first connecting pipe 72 provided with the first limiting projection 721. The inner diameter of the second restriction protrusion 731 is smaller than the inner diameter of the first restriction protrusion 721. The second restriction protrusion 731 is formed at a side of the first restriction protrusion 721 adjacent to the first coupling ring 71. Thus, the first nut 73 is coupled to one end of the first nipple 72.

The first bend 76 is disposed in a bent manner. Both ends of the first elbow 76 are provided with external threads. The portions of the first elbow 76 provided with the external threads are parallel to each other. One end of the first elbow 76 is screwed into an end of the first nut 73 facing away from the second retaining projection 731 so that the first elbow 76 is threadedly coupled to the first nut 73.

The first decorative cover 75 is configured as an annular housing, and the first decorative cover 75 is sleeved on one end of the first elbow 76 connected to the first nut 73.

Further, a third limiting protrusion 821 is further disposed on the second connecting pipe 82. A third limiting projection 821 projects radially outward from an end of the first joint pipe 72 facing away from the second water inlet pipe 112. The third stopper projection 821 may be configured as an annular projection provided on the outer circumferential wall of the second adapter 82.

The second connector assembly 8 further includes a second nut 83, a second trim cover 85, and a second elbow 86. The second nut 83 is configured in a cylindrical shape, and an internal thread is provided on an inner peripheral wall of the second nut 83. One end of the second nut 83 is provided with a fourth restricting protrusion 831. The fourth restricting protrusion 831 protrudes radially inward from the inner circumferential wall of the second nut 83. The fourth restricting protrusion 831 may be configured as an annular protrusion.

One end of the second nut 83 provided with the fourth limiting projection 831 is fitted over one end of the second adapter tube 82 provided with the third limiting projection 821. The inner diameter of the fourth restricting protrusion 831 is smaller than the inner diameter of the third restricting protrusion 821. The fourth restricting protrusion 831 is located at a side of the third restricting protrusion 821 close to the second coupling ring 81. Thus, the second nut 83 is coupled to one end of the second nipple 82.

The second bend 86 is disposed at a bend. Both ends of the second elbow 86 are provided with external threads. The portions of the second elbow 86 provided with the external threads are parallel to each other. An end of the second elbow 86 is screwed into an end of the second nut 83 facing away from the fourth retaining protrusion 831, so that the second elbow 86 is screwed with the second nut 83.

The second decorative cover 85 is configured as an annular housing, and the second decorative cover 85 is sleeved on one end of the second elbow 86 connected to the second nut 83.

The free end of the first bent pipe 76 and the free end of the second bent pipe 86 are used to connect the hot water supply pipe and the cold water supply pipe, respectively, and the interval between the hot water supply pipe and the cold water supply pipe cannot be changed in general, for example, it is difficult to change the interval when the hot water supply pipe and the cold water supply pipe are buried in a wall. The distance between the free end of the first elbow 76 and the free end of the second elbow 86 can be adjusted by rotating the first elbow 76 and/or the second elbow 86 so that the distance is equal to the distance between the hot water supply pipe and the cold water supply pipe, so that the free ends of the first elbow 76 and the second elbow 86 can be connected to the hot water supply pipe and the cold water supply pipe, respectively. The first decorative cover 75 is used to cover the exposed portions of the first bend 76 and the second bend 86, which make the faucet 100 more aesthetically pleasing when installed.

In an exemplary embodiment, first coupling assembly 7 includes a first screen 74. The first screen 74 is provided with a plurality of mesh holes. First screen 74 is disposed within first nut 73, and the edge of first screen 74 is sandwiched between first elbow 76 and first nipple 72. The first screen 74 is capable of filtering water input into the waterway body 11 from the first elbow 76 to prevent a downstream pipe from being clogged.

The second connector assembly 8 includes a second screen 84. The second screen 84 is provided with a plurality of meshes. A second screen 84 is disposed within the second nut 83, and the edge of the second screen 84 is sandwiched between the second elbow 86 and the second adapter 82. The second screen 84 is capable of filtering water input into the waterway body 11 from the second elbow 86 to prevent a downstream pipe from being clogged.

In an exemplary embodiment, faucet 100 further includes a back cover plate 9. The rear cover 9 may be configured as a flat plate of a straight strip shape. The rear cover 9 covers the mounting opening 34 of the housing 3. The cover plate 9 is provided with a first through hole 91 and a second through hole 92. The first through hole 91 and the second through hole 92 are respectively provided at opposite ends of the cover plate 9. The first connection pipe 72 is inserted through the first through hole 91 of the cover plate 9, and the first nut 73 and the first connection ring 71 clamp the cover plate 9 from opposite sides of the cover plate 9. The second adapter 83 is inserted through the second through hole 92 of the cover plate 9, and the second nut 83 and the second connection ring 81 clamp the cover plate 9 from opposite sides of the cover plate 9. Thereby, the cover plate 9 is fixed at the mounting opening 34 and covers the mounting opening 34 to prevent foreign matter from entering from the mounting opening 34 into the housing 3.

In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "mouth" word structure "and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the structure referred to has a specific orientation, is constructed and operated in a specific orientation, and thus, is not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (12)

1. A waterway assembly of a faucet, comprising: the water channel body is integrally formed by adopting an injection molding process;

the water channel body comprises a base provided with a first end face, and a first water inlet pipe, a second water inlet pipe and a first water outlet pipe, wherein one end of the first water inlet pipe, one end of the second water inlet pipe and one end of the first water outlet pipe are connected to the base;

the water channel assembly is further provided with a plurality of channels which extend to the first end face from one ends, deviating from the base, of the first water inlet pipe, the second water inlet pipe and the first water outlet pipe respectively, and the first end face is used for being abutted to the valve core.

2. The waterway assembly of claim 1, wherein the waterway body is provided with:

a first passage extending into the base from an end of the first inlet conduit facing away from the base;

a second channel extending from an end of the first channel within the base to the first end face;

a third channel extending from an end of the second inlet pipe facing away from the base into the base;

a fourth channel extending from an end of the third channel within the base to the first end face;

the fifth channel extends from one end, away from the base, of the first water outlet pipe to one side, away from the first water outlet pipe, of the base; and

a sixth channel extending from a portion of the fifth channel within the base to the first end surface.

3. The waterway assembly of claim 2, further comprising:

the first plug blocks one end, away from the base, of the first channel;

the second plug blocks one end, deviating from the base, of the third channel; and

and the third plug blocks one end of the fifth channel, which deviates from the first water outlet pipe.

4. The waterway assembly of claim 3, further comprising a connecting pin that pins the third plug to the base.

5. The waterway assembly of claim 4, wherein the base is provided with two pin holes parallel to each other, the pin holes extending from an outer wall of the base to the fifth channel;

an annular clamping groove is formed in the outer peripheral wall of the third plug;

the connecting pin also comprises two parallel bolts and a connecting rod connected with the two parallel bolts, and the two parallel bolts are respectively inserted into the two pin holes and extend into the clamping grooves.

6. The waterway assembly of claim 2, wherein the first inlet tube, the second inlet tube, and the first outlet tube are straight tubes;

the first channel, the second channel, the third channel, the fourth channel, the fifth channel and the sixth channel are all straight channels.

7. The waterway assembly of claim 2, wherein the waterway body further comprises:

the mounting chamber is arranged at one end of the first water outlet pipe, which is deviated from the base; and

one end of the second water outlet pipe is connected to the mounting chamber;

the installation chamber is communicated with the first water outlet pipe and the second water outlet pipe, and the installation chamber is used for installing the valve clack assembly.

8. A faucet, comprising the waterway assembly of any of claims 1-7 and a valve cartridge in abutment with the first end surface;

the first water inlet pipe is used for injecting hot water into the valve core, the second water inlet pipe is used for injecting cold water into the valve core, and the valve core is used for mixing the hot water and the cold water according to a set proportion and then conveying the mixture to the first water outlet pipe.

9. The faucet of claim 8, further comprising a housing, the housing comprising:

the first shell is in a straight strip shape, and one side of the first shell is provided with a mounting hole; and

the second shell is in a straight strip shape, one end of the second shell is connected to one side, away from the mounting opening, of the first shell, and the second shell is communicated with the second shell; and

the third shell is connected with the first shell, communicated with the first shell and used for accommodating the valve core;

wherein the first shell accommodates the first water inlet pipe, the second water inlet pipe and the base, and the second shell accommodates the first water outlet pipe.

10. The faucet of claim 9, wherein the waterway body further comprises:

the first joint is arranged on the peripheral wall of one end, away from the base, of the first water inlet pipe and communicated with the first water inlet pipe; and

the second joint is arranged on the peripheral wall of one end, away from the base, of the second water inlet pipe and communicated with the second water inlet pipe;

a first connecting sleeve sleeved on the first joint and a second connecting sleeve sleeved on the second joint are arranged in the first shell;

the faucet further includes:

a first connecting assembly connecting the first connecting sleeve and the first joint;

and the second connecting assembly is connected with the second connecting sleeve and the second joint.

11. The faucet of claim 10, wherein the first coupling assembly comprises:

the first adapter is sleeved on the first joint; and

the first connecting ring is clamped between the first connecting sleeve and the first connecting pipe and is respectively in threaded connection with the first connecting sleeve and the first connecting pipe;

the second connection assembly includes:

the second connecting pipe is sleeved on the second joint; and

and the second connecting ring is clamped between the second connecting sleeve and the second connecting pipe and is respectively in threaded connection with the second connecting sleeve and the second connecting pipe.

12. A faucet comprising the waterway assembly of claim 7, a flap assembly, and a valve seat;

the installation chamber comprises a first chamber and a second chamber communicated with the first chamber, and the first chamber is larger than the second chamber in diameter;

a water inlet communicated with the fifth channel is formed in the side wall of the first chamber, a first water outlet is formed in one end, away from the second chamber, of the first chamber, and one end of the valve seat is inserted into the first water outlet;

a second water outlet communicated with the second water outlet pipe is formed in the side wall of the second cavity, and a first mounting hole is formed in one end, away from the first cavity, of the second cavity;

the valve clack assembly comprises a pull rod penetrating through the first mounting hole and a valve clack sleeved on the pull rod and located in the first cavity;

the pull rod can drive the valve clack to selectively block the valve seat or an opening of the first chamber communicated with the second chamber.

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