Water outlet hose of pipe-in-pipe structure, drawing faucet and shower

Abstract

The utility model provides a water outlet hose of a pipe-in-pipe structure. The water outlet hose comprises an outer pipe, at least two inner pipes arranged in the outer pipe, a water inlet connector and a water outlet connector, wherein the water inlet connector and the water outlet connector are arranged at the water inlet end and the water outlet end of the water outlet hose. The water inlet connector and the water outlet connector are connected with the outer pipe through a first inner sealing sleeve and a second inner sealing sleeve which are inserted into a gap between the outer pipe and the inner pipe respectively, and the first inner sealing sleeve and the second inner sealing sleeve expand outwards in the radial direction under the action of the inner pipe to be in interference fit with the inner wall of the outer pipe. The water outlet hose forms flow channels in the inner pipe and in the space between the outer pipe and the inner pipe. The utility model further provides a drawing faucet or a shower, and the water outlet hose is used in the drawing faucet or the shower.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen and bath supplies, especially to water outlet device. BACKGROUND

[0002] The conventional faucet or shower outlet channel is single, and if different fluid is needed, the corresponding faucet or shower needs to be installed. For example, if the water purifier needs to be connected, a separate water purifier faucet needs to be arranged on the kitchen countertop. If the instant water heater needs to be connected, the corresponding faucet also needs to be installed, which will cause the kitchen countertop to be messy and disorganized, and for the kitchen without reserved countertop mounting holes, it will be a very troublesome project to install additional faucets later. SUMMARY

[0003] The utility model solves the main technical problem to provide a kind of pipe-in-pipe structure's water outlet hose, and multiple functional water outlet is realized by single water outlet hose.

[0004] To solve the above technical problems, the utility model provides a kind of pipe-in-pipe structure's water outlet hose, comprising: outer tube, at least two inner tubes arranged in outer tube, water inlet connector and water outlet connector arranged at the water inlet and outlet end of water outlet hose;

[0005] The water inlet connector and the water outlet connector are connected with the outer tube through the first inner sleeve pipe and the second inner sleeve pipe inserted between the outer tube and the inner tube, and the first inner sleeve pipe and the second inner sleeve pipe are opened outward along the radial direction under the action of the inner tube to form interference fit with the inner wall of the outer tube.

[0006] The water outlet hose forms flow channel in the inner tube and the space between the outer tube and the inner tube.

[0007] In a preferred embodiment: the upper end of the inner tube is exposed outside the outer tube to be connected with the water inlet connector;

[0008] The water inlet end of the inner tube is provided with a water inlet inner core, one end of the water inlet inner core is inserted into the inner tube, the other end is inserted into the water inlet connector, and the part of the water inlet inner core inserted into the water inlet connector is provided with a first sealing ring, and the side surface of the water inlet inner core is also connected with the end surface of the first inner sleeve pipe through a first clamping ring.

[0009] In a preferred embodiment: the inner wall of the water inlet connector extends a convex edge along the radial direction, and the first clamping ring is abutted between the convex edge and the end surface of the first inner sleeve pipe.

[0010] In a preferred embodiment, the first outer sleeve pipe is wrapped around a part of the outer pipe and a part of the first inner sleeve pipe exposed outside the outer pipe and inserted into the water inlet joint; the upper end of the first inner sleeve pipe is inserted into the water inlet joint and connected to the inner wall of the water inlet joint through the second sealing ring.

[0011] In a preferred embodiment, the water outlet end of the inner pipe is provided with a water outlet inner core; one end of the water outlet inner core is inserted into the inner pipe and the other end is inserted into the water outlet joint and connected to the water outlet joint through threads; the part of the water outlet inner core inserted into the water outlet joint is provided with a third sealing ring.

[0012] In a preferred embodiment, the second inner sleeve pipe and the second outer sleeve pipe are respectively provided with a skirt extending radially outward from the lower end thereof.

[0013] The water outlet joint comprises a shell and a water outlet joint body, the inner wall of the shell is provided with a step extending radially inward, and the skirt is abutted between the step and the water outlet joint body.

[0014] In a preferred embodiment, the water outlet end of the inner pipe is provided with a water outlet inner core; one end of the water outlet inner core is inserted into the inner pipe and the other end is inserted into the water outlet joint, and the part of the water outlet inner core inserted into the water outlet joint is provided with a fourth sealing ring; the side surface of the water outlet inner core is further connected to the water outlet joint through the second clasp.

[0015] In a preferred embodiment, the water outlet joint comprises a shell and a water outlet joint body, the inner wall of the water outlet joint body is recessed radially outward to form a groove, and the second clasp is abutted in the groove.

[0016] In a preferred embodiment, the second inner sleeve pipe and the second outer sleeve pipe are respectively provided with a skirt extending radially outward from the lower end thereof.

[0017] The inner wall of the shell is provided with a step extending radially inward, and the skirt is abutted between the step and the water outlet joint body.

[0018] In a preferred embodiment, the first inner sleeve pipe and the second inner sleeve pipe are respectively provided with a protrusion extending radially outward.

[0019] In a preferred embodiment, the water outlet joint is provided with a water outlet corresponding to the flow channel.

[0020] The utility model also provides a pull-out faucet which uses the water outlet hose.

[0021] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

[0022] The utility model provides a kind of water outlet hose of pipe-in-pipe structure, different water outlet flow channels are formed by the mode of being provided with at least two inner tubes in outer tube, so that different water outlet flow channels can realize the water of different functions, for example, pure water or boiling water, so that single faucet is realized multifunction while being pullable, meet different needs of user. It can also make single shower realize multi-channel water outlet after using the water outlet hose, meet different needs of user. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the schematic diagram of water outlet hose in preferred embodiment 1 of the utility model;

[0024] Figure 2 It is the sectional view of water outlet hose in preferred embodiment 1 of the utility model;

[0025] Figure 3 It is the explosion view of water outlet hose in preferred embodiment 1 of the utility model;

[0026] Figure 4 It is the flow channel schematic diagram of water outlet hose in preferred embodiment 1 of the utility model;

[0027] Figures 5-7 It is the water outlet schematic diagram of different flow channels in preferred embodiment 1 of the utility model;

[0028] Figure 8 It is another position sectional view of water outlet hose in preferred embodiment 1 of the utility model;

[0029] Figure 9 It is the schematic diagram of water outlet hose in preferred embodiment 2 of the utility model;

[0030] Figure 10 It is the sectional view of water outlet hose in preferred embodiment 2 of the utility model;

[0031] Figure 11 It is the explosion view of water outlet hose in preferred embodiment 2 of the utility model;

[0032] Figure 12 It is the flow channel schematic diagram of water outlet hose in preferred embodiment 2 of the utility model;

[0033] Figures 13-15 It is the water outlet schematic diagram of different flow channels in preferred embodiment 2 of the utility model;

[0034] Figure 16 It is another position sectional view of water outlet hose in preferred embodiment 2 of the utility model. DETAILED DESCRIPTION

[0035] In order to make the technical scheme and characteristics of the utility model more clear, the utility model will be further explained in detail in combination with the drawings and specific examples below, and it should be understood that these examples are only used for explaining the utility model and not for limiting the scope of the utility model, and after reading the utility model, the modification of various equivalent forms of the utility model by the person skilled in the art all falls within the scope defined by the claims attached to the present application.

[0036] Embodiment 1

[0037] Reference Figures 1-8 The embodiment provides a water outlet hose with a pipe-in-pipe structure, which comprises an outer pipe 1, two inner pipes 2 arranged in the outer pipe 1, a water inlet joint 3 and a water outlet joint 4 arranged at the water inlet and outlet ends of the water outlet hose; the water inlet joint 3 and the water outlet joint 4 are connected with the outer pipe 1 through first inner sleeve pipes 5 and second inner sleeve pipes 6 inserted into the gap between the outer pipe 1 and the inner pipes 2, the first inner sleeve pipes 5 and the second inner sleeve pipes 6 are opened outward along the radial direction under the action of the inner pipes 2 and form interference fit with the inner wall of the outer pipe 1; the water outlet hose forms flow channels in the inner pipes 2 and the space between the outer pipe 1 and the inner pipes 2.

[0038] Since the inner pipes 2 in the embodiment are two, three independent flow channels 71, 72 and 73 can be formed in total, three different functional water outlets are formed, and the water outlet joint 4 is provided with water outlets corresponding to the flow channels 71, 72 and 73 one by one, so that water with different functions flows out from different water outlets. The interference fit between the first inner sleeve pipes 5 and the second inner sleeve pipes 6 and the water inlet joint 3 and the water outlet joint 4 forms a stable connection.

[0039] In order to realize the installation of the water inlet joint 3, the upper end of the inner pipe 2 in the embodiment is exposed outside the outer pipe 1 to be connected with the water inlet joint 3; the water inlet end of the inner pipe 2 is provided with a water inlet inner core 21; one end of the water inlet inner core 21 is inserted into the inner pipe 2, the other end is inserted into the water inlet joint 3, and the part of the water inlet inner core 21 inserted into the water inlet joint 3 is provided with a first sealing ring 22; the side surface of the water inlet inner core 21 is also connected with the end surface of the first inner sleeve pipe 5 through a first clamping ring 23.

[0040] Specifically, the inner wall of the water inlet joint 3 extends radially inward by a convex edge 31, and the first clamping ring 23 abuts between the convex edge 31 and the end surface of the first inner sleeve pipe 5. In this way, the first clamping ring 23 simultaneously connects the water inlet inner core 21, the first inner sleeve pipe 5 and the water inlet joint 3, realizing the connection between the water inlet joint 3 and the first inner sleeve pipe 5.

[0041] In addition, the first outer sleeve pipe 8 is partially wrapped outside the outer pipe 1 and partially wrapped outside the exposed part of the first inner sleeve pipe 5 outside the outer pipe 1 and inserted into the water inlet joint 3. The upper end of the first inner sleeve pipe 5 is inserted into the water inlet joint 3 and connected with the inner wall of the water inlet joint 3 through the second sealing ring 51. In this way, the first outer sleeve pipe 8 and the first inner sleeve pipe 5 are clamped and fixed between the water inlet joint 3 and the inner pipe 2.

[0042] In order to install the water outlet joint 4, the water outlet end of the inner pipe 2 is provided with a water outlet inner core 24; one end of the water outlet inner core 24 is inserted into the inner pipe 2 and the other end is inserted into the water outlet joint 4 and connected with the water outlet joint 4 through threads; the part of the water outlet inner core 24 inserted into the water outlet joint 4 is provided with a third sealing ring 241. Through the thread connection and the third sealing ring 241, the water outlet inner core 24 and the water outlet joint 4 form a mechanical connection and a sealing connection.

[0043] In addition, the first inner sleeve pipe 5 and the second inner sleeve pipe 6 respectively extend radially outward to extend a protruding part 52, 62, which can further increase the friction between the first inner sleeve pipe 5, the second inner sleeve pipe 6 and the inner wall of the outer pipe 1 when the first inner sleeve pipe 5 and the second inner sleeve pipe 6 are deformed, further increasing the connection strength. At the same time, the protruding part 52, 62 can also increase the sealing between the first inner sleeve pipe 5, the second inner sleeve pipe 6 and the outer pipe 1.

[0044] In the embodiment, the inner diameters of the two inner pipes 2 are different, so that the flow rates of different flow channels can be changed.

[0045] The water outlet hose in the embodiment can be used as a pull pipe of a pull faucet, so that the pull faucet has multiple different functions and can realize multifunctional water outlet of a single faucet, such as pure water outlet, boiling water outlet and the like.

[0046] Embodiment 2

[0047] Reference Figures 9-16 The difference between the embodiment and the embodiment 1 is that the water outlet hose in the embodiment is used as a water outlet hose for connecting a shower, and the connection structure of the water outlet joint 4 is different from that of the embodiment 1.

[0048] In the embodiment, the water outlet end of the inner pipe 2 is provided with a water outlet inner core 24; one end of the water outlet inner core 24 is inserted into the inner pipe 2, the other end is inserted into the water outlet connector 4, and the part of the water outlet inner core 24 inserted into the water outlet connector 4 is provided with a fourth sealing ring 242; the side surface of the water outlet inner core 24 is also connected to the water outlet connector 4 through a second clasp 245.

[0049] In order to abut against the second clasp 245, the water outlet connector 4 comprises a shell 41 and a water outlet connector body 42, the inner wall of the water outlet connector body 42 is recessed along the radial direction to form a groove 421, and the second clasp 245 abuts in the groove 421.

[0050] In the embodiment, the second inner sleeve pipe 6 and the second outer sleeve pipe 9 are also included, and the lower ends of the second inner sleeve pipe 6 and the second outer sleeve pipe 9 respectively extend radially outwardly to form a skirt 61, 91; the inner wall of the shell 41 extends radially inwardly to form a step 411, and the skirt 61, 91 abuts between the step 411 and the water outlet connector body 42.

[0051] In the embodiment, the inner diameters of the two inner pipes 2 are the same.

[0052] The above is only one specific embodiment of the utility model, but the design concept of the utility model is not limited to this, and any non-essential change of the utility model by using the concept is an act of infringing the protection scope of the utility model.

Claims

1. A water outlet hose of a pipe-in-pipe construction, characterized in that The water outlet hose comprises: an outer tube, at least two inner tubes arranged in the outer tube, a water inlet connector and a water outlet connector arranged at the water inlet hose water inlet and outlet ends; the water inlet connector and the water outlet connector are connected with the outer tube through the first inner sleeve and the second inner sleeve inserted into the gap between the outer tube and the inner tube, the first inner sleeve and the second inner sleeve are opened outward along the radial direction under the action of the inner tube and form an interference fit with the inner wall of the outer tube; the water outlet hose forms a flow channel in the inner tube and the space between the outer tube and the inner tube.

2. A hose for a tube-in-tube structure according to claim 1, characterized in that: the upper end of the inner tube is exposed outside the outer tube to connect with the water inlet connector; the water inlet end of the inner tube is provided with a water inlet inner core, one end of the water inlet inner core is inserted into the inner tube, the other end is inserted into the water inlet connector, and the part of the water inlet inner core inserted into the water inlet connector is provided with a first sealing ring, the side surface of the water inlet inner core is also connected with the end surface of the first inner sleeve through a first clasp ring.

3. A water outlet hose of the pipe-in-pipe construction according to claim 2, characterized in that: the inner wall of the water inlet connector extends outward along the radial direction and forms a convex edge, the first clasp ring is abutted between the convex edge and the end surface of the first inner sleeve.

4. A water outlet hose of the pipe-in-pipe structure according to claim 2, characterized in that: a first outer sleeve is further included, a part of the first outer sleeve is wrapped outside the outer tube, another part is wrapped outside the part of the first inner sleeve exposed outside the outer tube and inserted into the water inlet connector, the upper end of the first inner sleeve is inserted into the water inlet connector and connected with the inner wall of the water inlet connector through a second sealing ring.

5. A water outlet hose of the pipe-in-pipe structure according to claim 1, characterized in that: the water outlet end of the inner tube is provided with a water outlet inner core, one end of the water outlet inner core is inserted into the inner tube, the other end is inserted into the water outlet connector and connected with the water outlet connector through threads, and the part of the water outlet inner core inserted into the water outlet connector is provided with a third sealing ring.

6. A water outlet hose of the pipe-in-pipe construction according to claim 5, characterized in that: a second outer sleeve is further included, the lower end of the second inner sleeve and the second outer sleeve respectively extends outward along the radial direction and forms a skirt; the water outlet connector comprises a shell and a water outlet connector body, the inner wall of the shell extends inward along the radial direction and forms a step, and the skirt is abutted between the step and the water outlet connector body.

7. A water outlet hose of the pipe-in-pipe structure according to claim 1, characterized in that: the water outlet end of the inner tube is provided with a water outlet inner core, one end of the water outlet inner core is inserted into the inner tube, the other end is inserted into the water outlet connector, and the part of the water outlet inner core inserted into the water outlet connector is provided with a fourth sealing ring, and the side surface of the water outlet inner core is also connected with the water outlet connector through a second clasp ring.

8. A water outlet hose of the pipe-in-pipe construction according to claim 7, characterized in that: the water outlet connector comprises a shell and a water outlet connector body, the inner wall of the water outlet connector body recesses outward along the radial direction and forms a groove, and the second clasp ring is abutted in the groove.

9. A water outlet hose of the pipe-in-pipe construction according to claim 8, characterized in that: a second outer sleeve is further included, the lower end of the second inner sleeve and the second outer sleeve respectively extends outward along the radial direction and forms a skirt; the inner wall of the shell extends inward along the radial direction and forms a step, and the skirt is abutted between the step and the water outlet connector body.

10. A water outlet hose of the pipe-in-pipe structure according to claim 1, characterized in that: the first inner sleeve and the second inner sleeve respectively extend outward along the radial direction and form convex parts.

11. A hosing of the pipe-in-pipe construction according to any one of claims 1-10, characterized in that: the water outlet connector is provided with water outlet ports corresponding to the flow channels.

12. A pull-out faucet characterized by The water outlet hose of any one of claims 1-11 is used.

13. A shower comprising The water outlet hose of any one of claims 1-11 is used.

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