CN219510328U - Pipe-in-pipe connection structure of double-control shower head, kitchen faucet and pull head - Google Patents

Abstract

The utility model discloses a pipe-in-pipe connection structure of a double-control shower head, a kitchen faucet and a pull head, which belong to the technical field of faucets and comprise a shower head and a pipe fitting quick connector, wherein the shower head comprises a shell and a water diversion seat, one end of the water diversion seat is provided with an outer connector and an inner connector, the inner connector is positioned at the inner side of the outer connector, a first water outlet and a second water outlet are arranged on the water diversion seat, the first water outlet and the second water outlet are respectively communicated with the outer connector and the inner connector, the pipe fitting quick connector comprises an outer pipe connector and an inner pipe connector, the inner pipe connector is arranged in the outer pipe connector in a penetrating manner, sealing rings are arranged at the outer sides of the front ends of the outer pipe connector and the inner pipe connector, the inner pipe connector is inserted into the inner connector, the outer pipe connector is inserted into the outer connector, and a stepped embedded connection position is formed by matching the inner connector with the outer connector.

Description

Pipe-in-pipe connection structure of double-control shower head, kitchen faucet and pull head

Technical Field

The utility model relates to the technical field of faucets, in particular to a pipe-in-pipe connection structure of a double-control shower head, a kitchen faucet and a pull head.

Background

As the demand for diversity of domestic water increases, manufacturers are beginning to address the integrated development of multifunctional faucets. Currently, a large number of faucets with multiple functions are already present on the market. On this type of faucet, a plurality of water outlet functions are mostly integrated, for example, tap water outlets and purified water outlets are simultaneously arranged on the same faucet main body.

Wherein, in order to realize the integration of many water routes when not increasing tap main part volume, can adopt the structure of pipe in the pipe more to when realizing many water routes water supply, avoid increasing tap main part's volume. The pipe-in-pipe structure adopts a welding process at present, the processing procedure is too complex, the production period is long, the yield is low, and the cost is high. Because of the integration of multiple groups of waterways, it is particularly important how to realize stable and convenient connection between the pipe body and the faucet shower head.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a pipe-in-pipe connection structure of a double-control shower head, a kitchen faucet and a pull head.

The technical scheme adopted for solving the technical problems is as follows: a pipe-in-pipe connection structure of a double-control shower head comprises a shower head and a pipe fitting quick connector;

the shower head comprises a shell and a water diversion seat arranged in the shell, wherein an outer interface and an inner interface are arranged at one end of the water diversion seat, the inner interface is positioned at the inner side of the outer interface, a first water outlet and a second water outlet are arranged on the water diversion seat, and the first water outlet and the second water outlet are respectively communicated with the outer interface and the inner interface through a runner;

the pipe fitting quick connector comprises an outer pipe connector and an inner pipe connector, the inner pipe connector is arranged in the outer pipe connector in a penetrating mode, the front end of the inner pipe connector protrudes out of the front end of the outer pipe connector, and sealing rings are arranged on the outer sides of the front ends of the outer pipe connector and the inner pipe connector;

the inner pipe joint is inserted into the inner joint, the outer pipe joint is inserted into the outer joint, and the inner pipe joint and the outer pipe joint are respectively communicated with a waterway of a pipe in the outer pipe.

Preferably, the shell is provided with a positioning hole, a locking bolt is locked on the positioning hole, and the front end of the locking bolt is locked on the outer pipe joint.

Preferably, the flow channel in the water diversion seat comprises a first flow channel and a second flow channel, the first flow channel and the second flow channel are respectively communicated with the outer pipe joint and the inner pipe joint, the first flow channel is flat, the first flow channel is identical to the outer pipe joint in the axial direction, a gap is reserved between the outer pipe joint and the front end of the first flow channel in the outer joint, and an annular space surrounding the inner pipe joint is formed at the gap.

Preferably, the shell is provided with openings corresponding to the first water outlet and the second water outlet, the first water outlet is connected with a first water outlet nozzle, and the second water outlet is connected with a second water outlet nozzle.

Preferably, the device also comprises a connecting ring mouth, wherein an annular pressing sheet is arranged on the outer side of the rear end of the inner tube connector, the annular pressing sheet is fixed with the inner tube connector through a plurality of groups of radial connecting strips, the outer tube connector is in threaded connection with the connecting ring mouth, the annular pressing sheet is tightly pressed and fixed in the connecting ring mouth, and a sealing gasket is arranged between the rear end of the outer tube connector and the annular pressing sheet;

an annular limiting step is arranged in the connecting ring mouth, an annular sealing pressing surface is arranged on one side, facing the front end of the connecting ring mouth, of the annular limiting step, the annular pressing sheet is embedded into the annular limiting step, and the sealing gasket is simultaneously arranged on the annular pressing sheet and the annular sealing pressing surface in a cushioning mode.

Preferably, the outer tube joint and the inner tube joint are integrally formed, the outer side of the inner tube joint is connected with the inner side of the outer tube joint through a plurality of groups of connecting sheets which are circumferentially arranged at intervals, and the inner sides of the inner tube joint and the outer tube joint are respectively provided with a flaring section for inserting a middle tube of an outer tube.

Preferably, the pipe-in-pipe connector further comprises an end cover, wherein the pipe-in-pipe connector is inserted into the end cover and fixed with the end cover through a clamping piece, and the end cover is in threaded connection with the outer pipe connector.

The kitchen faucet is provided with the pipe-in-pipe connection structure of the double-control shower head, the pipe fitting quick connector is arranged on the faucet body, a hose is arranged in the bent pipe of the faucet body, the connecting ring nozzle is connected with the bent pipe of the faucet body, and the other end of the inner pipe connector is connected with the hose in the bent pipe.

Preferably, the water diversion pipe comprises a water diversion main body and an inner guide pipe, wherein the water diversion main body is internally provided with an axially through hollow runner, the inner guide pipe is arranged in the hollow runner in a penetrating way, two ends of the inner guide pipe respectively protrude out of two ends of the water diversion main body and respectively form an upper joint section and a lower joint section, the upper joint section is connected with the other end of the hose, the water diversion main body is connected with the lower end of the water diversion pipe, the lower end of the lower joint section is provided with a sealing part with the outer diameter larger than that of the inner guide pipe, and an annular water inlet is formed between the upper end of the sealing part and the lower end of the water diversion main body

The pipe-in-pipe connection structure of the double-control shower head is characterized in that the pipe fitting quick connector is connected with an outer pipe-in-pipe in the pull pipe.

The beneficial effects of the utility model are as follows: through the internal joint cooperation external connection mouth of shrink design, form a echelonment gomphosis hookup location for the pipe fitting quick-operation joint can be quick fix a position, insert in the seat of dividing, and inner tube joint and outer tube joint dislocation set can improve the stability of junction, then form sealedly between pipe fitting quick-operation joint and seat of dividing through the sealing washer of mutual dislocation, thereby compare in prior art, thereby form mutually independent runner in the gondola water faucet through setting up the seat of dividing, avoid the mutual collusion between the runner, and cooperate the pipe fitting quick-operation joint to realize with outside pipe in convenient, the stable connection of pipe.

Drawings

FIG. 1 is a perspective view of a pipe-in-pipe connection structure according to a first embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a pipe-in-pipe connection structure according to a first embodiment of the present utility model;

FIG. 3 is a perspective view of a water diversion seat according to an embodiment of the present utility model;

FIG. 4 is a second perspective view of the water diversion seat according to the embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of a water diversion seat according to an embodiment of the present utility model;

FIG. 6 is a perspective view of a pipe fitting quick connector according to a first embodiment of the present utility model;

FIG. 7 is a partially exploded view of a pipe fitting quick connector according to a first embodiment of the present utility model;

FIG. 8 is a perspective view of a connecting collar according to a first embodiment of the present utility model;

FIG. 9 is a perspective view of a kitchen faucet in accordance with a first embodiment of the present utility model;

FIG. 10 is a schematic cross-sectional view of a kitchen faucet according to a first embodiment of the present utility model;

FIG. 11 is a perspective view of a water splitting body according to a first embodiment of the present utility model;

FIG. 12 is a second perspective view of the water diversion main body according to the first embodiment of the present utility model;

FIG. 13 is a schematic cross-sectional view of a water diversion body according to a first embodiment of the present utility model;

FIG. 14 is a perspective view of a pipe-in-pipe connection structure according to a second embodiment of the present utility model;

FIG. 15 is a perspective view of a pipe fitting quick connector according to a second embodiment of the present utility model;

FIG. 16 is a perspective view of a slider according to a second embodiment of the present utility model;

fig. 17 is a schematic cross-sectional view of a slider according to a second embodiment of the present utility model.

In the figure, 10, a shower head; 11. a housing; 12. positioning holes; 13. a locking bolt; 21. a water diversion seat; 22. a first flow passage; 23. a second flow passage; 24. an annular space; 25. an external interface; 26. an internal interface; 27. a first water outlet; 28. a second water outlet; 31. a first water outlet nozzle; 32. a second water outlet nozzle;

41. an outer tube joint; 42. an inner pipe joint; 43. annular tabletting; 44. radial connecting strips; 45. a connecting sheet; 46. a flaring section; 47. a seal ring; 48. a sealing gasket;

51. a connecting ring mouth; 52. an annular limit step; 53. an annular sealing pressing surface; 54. an end cap; 55. a card;

60. a tap body; 61. bending the pipe; 62. a hose; 63. a water dividing main body; 64. a hollow flow passage; 65. an inner catheter; 66. an upper joint section; 67. a lower joint section; 68. a sealing part; 69. an annular water inlet; 70. and drawing the tube.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

As shown in fig. 1-10, the pipe-in-pipe connection structure of the double-control shower head provided by the utility model comprises a shower head 10 and a pipe fitting quick connector;

the shower head 10 comprises a shell 11 and a water diversion seat 21 arranged in the shell 11, wherein an outer interface 25 and an inner interface 26 are arranged at one end of the water diversion seat 21, the inner interface 26 is positioned at the inner side of the outer interface 25, the inner interface 26 is contracted inwards relative to the outer interface 25, a first water outlet 27 and a second water outlet 28 are arranged on the water diversion seat 21, and the first water outlet 27 and the second water outlet 28 are respectively communicated with the outer interface 25 and the inner interface 26 through flow passages;

the pipe fitting quick connector comprises an outer pipe connector 41 and an inner pipe connector 42, wherein the inner pipe connector 42 is arranged in the outer pipe connector 41 in a penetrating way, the front end of the inner pipe connector 42 protrudes out of the front end of the outer pipe connector 41, and sealing rings 47 are arranged on the outer sides of the front ends of the outer pipe connector 41 and the inner pipe connector 42;

the inner pipe joint 42 is inserted into the inner joint 26, the outer pipe joint 41 is inserted into the outer joint 25, the inner pipe joint 42 and the outer pipe joint 41 are respectively communicated with waterways of the outer pipe middle pipe, the sealing rings 47 respectively form sealing at the joint of the inner pipe joint 42 and the inner joint 26 and the joint of the outer pipe joint 41 and the outer joint 25, and in the open state, running water of two waterways of the outer pipe middle pipe respectively flows into two groups of flow passages of the water diversion seat 21 through the outer joint and the inner joint, and then respectively flows out through the first water outlet 27 and the second water outlet 28.

Specifically, through the internal joint 26 cooperation external connection 25 of shrink design, form a echelonment gomphosis hookup location for the pipe fitting quick-operation joint can be quick fix a position, insert in the water knockout drum 21, and the inner tube joint 42 and outer tube joint 41 dislocation setting can improve the stability of junction, then form sealedly between pipe fitting quick-operation joint and water knockout drum 21 through the sealing washer 47 of mutual dislocation, compare in prior art, thereby form mutually independent runner in gondola water faucet 10 through setting up water knockout drum 21, avoid the runner to cross each other, and cooperate the pipe fitting quick-operation joint to realize with outside pipe in convenient, the stable connection of pipe.

Further, a positioning hole 12 is formed in the shell 11, a locking bolt 13 is locked on the positioning hole 12, and the front end of the locking bolt 13 is locked on the outer pipe joint 41, so that the pipe fitting quick connector and the shower head 10 are mutually fixed.

Further, the flow passage in the water diversion seat 21 includes a first flow passage 22 and a second flow passage 23 opposite to each other, the first flow passage 22 and the second flow passage 23 are respectively communicated with the outer pipe joint 41 and the inner pipe joint 42, the first flow passage 22 is flat, and the first flow passage 22 and the outer pipe joint 41 are identical in axial direction, that is, the outer pipe joint 41 and the first flow passage 22 can be directly communicated with each other in the same axial direction, a gap is reserved between the outer pipe joint 41 and the front end of the first flow passage 22 in the outer joint 25, an annular space 24 surrounding the inner pipe joint 42 is formed at the gap, and the flow flux of the first flow passage 22 is improved by matching the annular space 24 by setting the first flow passage 22 to be flat.

Further, openings are respectively arranged on the shell 11 opposite to the first water outlet 27 and the second water outlet 28, the first water outlet 27 is in threaded connection with a first water outlet nozzle 31, the second water outlet 28 is in threaded connection with a second water outlet nozzle 32, and sealing rubber rings are respectively arranged at the upper ends of the first water outlet nozzle 32 and the second water outlet nozzle 32 in a cushioning mode.

Further, the connection structure further comprises a connection ring mouth 51 connected with the middle pipe of the outer pipe, the outer side of the rear end of the inner pipe joint 42 is provided with an annular pressing sheet 43, the annular pressing sheet 43 is fixed with the inner pipe joint 42 through a plurality of groups of radial connecting strips 44, a channel for water to pass through is reserved between the radial connecting strips 44, the outer pipe joint 41 is in threaded connection with the connection ring mouth 51, the annular pressing sheet 43 is tightly pressed and fixed in the connection ring mouth 51, a sealing gasket 48 is arranged between the rear end of the outer pipe joint 41 and the annular pressing sheet 43, the inner pipe joint 42 can be tightly pressed and fixed on the connection ring mouth 51 through tightening the appearance joint, the sealing between the outer pipe joint 41 and the outer pipe joint 41 is realized simultaneously by matching with the sealing gasket 48, and the whole structure is more compact.

Further, in order to improve the sealing effect, an annular limiting step 52 is arranged in the connecting ring nozzle 51, an annular sealing pressing surface 53 is arranged on one side of the annular limiting step 52 facing the front end of the connecting ring nozzle 51, the annular pressing sheet 43 is embedded in the annular limiting step 52, and the sealing gasket 48 is simultaneously arranged on the annular pressing sheet 43 and the annular sealing pressing surface 53 in a cushioning mode.

The kitchen faucet is provided with the pipe-in-pipe connection structure of the double-control shower head, the pipe fitting quick connector is arranged on the bent pipe 61 of the faucet body 60, wherein a hose 62 is arranged in the bent pipe 61 of the faucet body 60, the pipe fitting quick connector and the hose form a pipe-in-pipe structure, the connecting ring nozzle 51 is connected with the bent pipe 61 of the faucet body 60, the other end of the inner pipe connector 42 is connected with the hose 62 in the bent pipe 61, and double-control water outlet is realized by matching with double flow channels.

Further, the kitchen faucet further comprises a water diversion joint, the elbow pipe 61 and the hose 62 are connected with the faucet body 60 through the water diversion joint, the water diversion joint comprises a water diversion main body 63 and an inner conduit 65, an axially-through hollow runner 64 is arranged in the water diversion main body 63, the inner conduit 65 is arranged in the hollow runner 64 in a penetrating mode, two ends of the inner conduit 65 respectively protrude out of two ends of the water diversion main body 63 and respectively form an upper joint section 66 and a lower joint section 67, the upper joint section 66 is connected with the other end of the hose 62, wherein the upper joint section 66 is directly inserted into the lower end of the hose 62, the water diversion main body 63 is connected with the lower end of the elbow pipe 61, a sealing part 68 with the outer diameter larger than that of the inner conduit 65 is formed at the lower end of the lower joint section 67, and an annular water inlet 69 is formed between the upper end of the sealing part 68 and the lower end of the water diversion main body 63.

Example two

As shown in fig. 3-5 and 11-14, the difference between this embodiment and the above embodiment is that the outer tube joint 41 and the inner tube joint 42 are integrally formed, the outer side of the inner tube joint 42 is connected with the inner side of the outer tube joint 41 through a plurality of groups of connecting pieces 45 circumferentially spaced apart, channels for water to pass through are reserved between the connecting pieces 45, flared sections 46 for inserting the outer tube in the outer tube are respectively provided on the inner sides of the inner tube joint 42 and the outer tube joint 41, and the outer tube and the inner tube of the outer tube in the outer tube are respectively inserted into the flared sections 46 of the outer tube joint 41 and the inner tube joint 42.

Further, the connection structure further includes an end cap 54 for locking the outer tube-in-tube inserted into the end cap 54 and fixed to each other with a clip 55, and the end cap 54 is screw-coupled to the outer tube joint 41.

The pipe-in-pipe connection structure of the double-control shower head is provided with the pipe-in-pipe connection structure, and the pipe fitting quick connector is connected with an outer pipe-in-pipe in the drawing pipe 70, wherein the pipe-in-pipe connection structure of the double-control shower head can be applied to the drawing tap by matching with the drawing pipe 70.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims (10)

1. The pipe-in-pipe connection structure of the double-control shower head is characterized by comprising a shower head (10) and a pipe fitting quick connector;

the shower head (10) comprises a shell (11) and a water distribution seat (21) arranged in the shell (11), wherein an outer interface (25) and an inner interface (26) are arranged at one end of the water distribution seat (21), the inner interface (26) is positioned at the inner side of the outer interface (25), a first water outlet (27) and a second water outlet (28) are arranged on the water distribution seat (21), and the first water outlet (27) and the second water outlet (28) are respectively communicated with the outer interface (25) and the inner interface (26) through flow channels;

the pipe fitting quick connector comprises an outer pipe connector (41) and an inner pipe connector (42), wherein the inner pipe connector (42) is arranged in the outer pipe connector (41) in a penetrating mode, the front end of the inner pipe connector (42) protrudes out of the front end of the outer pipe connector (41), and sealing rings (47) are arranged on the outer sides of the front ends of the outer pipe connector (41) and the inner pipe connector (42);

the inner pipe joint (42) is inserted into the inner joint (26), the outer pipe joint (41) is inserted into the outer joint (25), and the inner pipe joint (42) and the outer pipe joint (41) are respectively communicated with a waterway of a pipe in an outer pipe.

2. The pipe-in-pipe connection structure of the double-control shower head according to claim 1, wherein a positioning hole (12) is formed in the outer shell (11), a locking bolt (13) is locked on the positioning hole (12), and the front end of the locking bolt (13) is locked on the outer pipe joint (41).

3. The pipe-in-pipe connection structure of the double-control shower head according to claim 1, wherein the flow passage in the water diversion seat (21) comprises a first flow passage (22) and a second flow passage (23), the first flow passage (22) and the second flow passage (23) are respectively communicated with the outer pipe joint (41) and the inner pipe joint (42), the first flow passage (22) is flat, the first flow passage (22) is identical to the outer pipe joint (41) in the axial direction, a gap is reserved between the outer pipe joint (41) and the front end of the first flow passage (22), and an annular space (24) surrounding the inner pipe joint (42) is formed at the gap.

4. The pipe-in-pipe connection structure of the double-control shower head according to claim 1, wherein openings are respectively arranged on the shell (11) opposite to the first water outlet (27) and the second water outlet (28), the first water outlet (27) is connected with a first water outlet nozzle (31), and the second water outlet (28) is connected with a second water outlet nozzle (32).

5. The pipe-in-pipe connection structure of the double-control shower head according to claim 1, further comprising a connection ring mouth (51), wherein an annular pressing sheet (43) is arranged on the outer side of the rear end of the inner pipe joint (42), the annular pressing sheet (43) is fixed with the inner pipe joint (42) through a plurality of groups of radial connection strips (44), the outer pipe joint (41) is in threaded connection with the connection ring mouth (51), the annular pressing sheet (43) is tightly pressed and fixed in the connection ring mouth (51), and a sealing gasket (48) is arranged between the rear end of the outer pipe joint (41) and the annular pressing sheet (43);

an annular limiting step (52) is arranged in the connecting annular nozzle (51), an annular sealing pressing surface (53) is arranged on one side of the annular limiting step (52) facing the front end of the connecting annular nozzle (51), the annular pressing sheet (43) is embedded into the annular limiting step (52), and the sealing gasket (48) is simultaneously arranged on the annular pressing sheet (43) and the annular sealing pressing surface (53) in a cushioning mode.

6. The pipe-in-pipe connection structure of the double-control shower head according to claim 5, wherein the outer pipe joint (41) and the inner pipe joint (42) are integrally formed, the outer side of the inner pipe joint (42) is connected with the inner side of the outer pipe joint (41) through a plurality of groups of connecting pieces (45) which are circumferentially arranged at intervals, and the inner sides of the inner pipe joint (42) and the outer pipe joint (41) are respectively provided with a flaring section (46) for inserting an outer pipe-in-pipe.

7. The pipe-in-pipe connection structure of a dual control shower head according to claim 6, further comprising an end cap (54), wherein the outer pipe-in-pipe is inserted into the end cap (54) and is fixed to the end cap (54) by a clip (55), and the end cap (54) is screw-coupled to the outer pipe joint (41).

8. A kitchen faucet is characterized by comprising the pipe-in-pipe connection structure of the double-control shower head according to any one of claims 1-7, wherein a pipe fitting quick connector is arranged on a faucet body (60), a hose (62) is arranged in an elbow (61) of the faucet body (60), a connecting ring nozzle (51) is connected with the elbow (61) of the faucet body (60), and the other end of an inner pipe connector (42) is connected with the hose (62) in the elbow (61).

9. Kitchen tap according to claim 8, further comprising a water diversion joint, wherein the elbow (61) and the hose (62) are connected with the tap body (60) through the water diversion joint, the water diversion joint comprises a water diversion main body (63) and an inner conduit (65), a hollow flow passage (64) penetrating axially is arranged in the water diversion main body (63), the inner conduit (65) is arranged in the hollow flow passage (64) in a penetrating way, two ends of the inner conduit (65) protrude out of two ends of the water diversion main body (63) respectively and form an upper joint section (66) and a lower joint section (67) respectively, the upper joint section (66) is connected with the other end of the hose (62), the water diversion main body (63) is connected with the lower end of the elbow (61), a sealing part (68) with the outer diameter larger than that of the inner conduit (65) is formed at the lower end of the lower joint section (67), and an annular water inlet (69) is formed between the upper end of the sealing part (68) and the lower end of the water diversion main body (63).

10. A drawing head characterized by having the pipe-in-pipe connection structure of the double control shower head according to any one of claims 1 to 7, the pipe fitting quick connector being connected with an outer pipe-in-pipe of the drawing pipe (70).