CN114607013A - Pipe-in-pipe water outlet structure - Google Patents

Abstract

The invention discloses a pipe-in-pipe water outlet structure, which comprises an inner pipe and an outer pipe which are arranged inside and outside, wherein a water inlet joint is arranged at the water inlet end of the outer pipe, a through water inlet is arranged on the peripheral wall of the water inlet joint, and the water inlet joint is in inserted fit with the outer pipe; the water outlet end of the outer pipe is provided with a spherical joint, and the water outlet end of the spherical joint is provided with a water outlet joint; the invention provides a two-in-one drawing pipe structure, wherein the two-in-one drawing pipe is divided into an inner pipe and an outer pipe, and two fluids respectively flow in the inner pipe and the outer pipe without mutual interference; the water paths of the two fluids are combined on the pull pipe, so that the structure is simpler.

Description

Pipe-in-pipe water outlet structure

Technical Field

The invention relates to a pipe-in-pipe water outlet structure.

Background

The development of the common faucet reaches the bottleneck gradually at present, the multifunctional integrated faucet gradually becomes a trend, the existing integrated faucet in the current market mainly uses two-in-one as the mainstream, two independent water paths need to be designed for the existing two-in-one faucet, namely two pipes need to be used for connection, the special two-in-one valve core needs to be used, the outlets of two fluids and the controller are not located at one position, the product structure is complex, the universality is poor, and the use is not convenient.

Disclosure of Invention

In order to solve the above technical problems, an object of the present invention is to provide a pipe-in-pipe water outlet structure.

The invention is realized by the following technical scheme:

a pipe-in-pipe water outlet structure comprises an inner pipe and an outer pipe which are arranged inside and outside, wherein a water inlet joint is arranged at the water inlet end of the outer pipe, a through water inlet is arranged on the peripheral wall of the water inlet joint, and the water inlet joint is in inserted fit with the outer pipe; the water outlet end of the outer pipe is provided with a spherical joint, and the water outlet end of the spherical joint is provided with a water outlet joint; a first flow channel is arranged in the inner pipe, and a second flow channel is formed among the water inlet joint, the periphery, the inner peripheral wall of the spherical joint and the outer peripheral wall of the inner pipe.

The periphery of the water inlet connector is coated with a water inlet body, and a one-way valve is arranged on a water inlet channel of the water inlet body.

The periphery of the water inlet connector positioned at two ends of the water inlet is sleeved with a sealing ring, and the sealing ring can be connected with the inner peripheral wall of the water inlet body in a matched mode.

The outer wall that the water inlet joint is close to outer tube one end is provided with first bellying, first bellying can be with an end face looks butt of outer tube and/or body of intaking.

The inner periphery of one side of the water inlet end of the water inlet joint close to the inner pipe is provided with an annular groove, a sealing ring is arranged in the annular groove, the sealing ring can be connected with the outer peripheral wall of the inner pipe in a matched mode, and the water inlet end of the inner pipe is further connected with a water inlet adapter in an inserted mode.

The outer peripheral wall of one side of the spherical joint close to the outer tube is provided with a second protruding part, and the second protruding part can be abutted against the other end face of the outer tube.

The water outlet end of the inner pipe is connected with a water outlet adapter in an inserted mode, a guide surface is arranged on the periphery of the water outlet adapter, and the guide surface can be matched with the water flow of the second flow channel.

The water outlet end of the water outlet joint is connected with a water outlet device, the water outlet device is provided with a first water inlet channel and a second water inlet channel, the first water inlet channel is only communicated with the first flow channel of the inner pipe, and the second water inlet channel is only communicated with the second flow channel.

The water outlet device is characterized in that a water passing cavity connected with a first water inlet channel is arranged in the water outlet device, a first water outlet channel communicated with the first water inlet channel is further arranged in the water outlet device, a movable first mandrel is arranged in the first water passing cavity, a first sealing ring is arranged on the first mandrel, and the first sealing ring can control whether the first water inlet channel is communicated with the first water outlet channel or not.

The water outlet device is internally provided with a water distribution cavity connected with the second water inlet channel, the water outlet device is also internally provided with a second water outlet channel and a third water outlet channel which can be communicated with the second water inlet channel, the first water passing cavity is internally provided with a switching mandrel, and the switching mandrel can control the second water inlet channel to be communicated with the second water outlet channel or the third water outlet channel.

The pipe-in-pipe water outlet structure has the following beneficial effects: 1. the water channels of the two fluids are combined in a pull tube, and the connection mode of the pull tube is the same as that of a common pull tube, so that the structure is simple; 2. the common kitchen faucet is changed into the two-in-one kitchen faucet by replacing the two-in-one drawing pipe and the corresponding drawing head, so that the common kitchen faucet is changed into the two-in-one kitchen faucet, and the universality is high; 3. the operation logic is the same as that of the existing kitchen faucet, the learning cost of consumers is low, and the operation is convenient.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts.

FIG. 1 is a schematic of the present invention.

Fig. 2 is a partial schematic view of the first embodiment of the present invention.

Fig. 3 is a partial schematic view of the present invention.

Fig. 4 is a schematic illustration of the first aspect of the present invention in use.

FIG. 5 is a second schematic illustration of the first aspect of the present invention in use.

Fig. 6 is a first schematic connection diagram of the water outlet device in the invention.

Fig. 7 is a second schematic connection diagram of the water outlet device of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to the attached drawings of the specification, the pipe-in-pipe water outlet structure comprises an inner pipe 10 and an outer pipe 20 which are arranged inside and outside, wherein a water inlet connector 30 is arranged at the water inlet end of the outer pipe, a through water inlet 31 is arranged on the peripheral wall of the water inlet connector, the water inlet connector is tubular in use, the water inlet is arranged on the side wall of the water inlet connector to form water inlets with the same inner circumference, the water inlet connector is in inserted fit with the outer pipe, and the water inlet connector is sleeved on the outer circumference of the inner pipe; the water outlet end of the outer pipe is provided with a spherical joint 40, the water outlet end of the spherical joint is provided with a water outlet joint 41, and the water outlet joint and the spherical joint are also provided with corresponding water sealing structures and can be sealing rings; the inner pipe is internally provided with a first flow passage 11, and a second flow passage 12 is formed between the water inlet joint, the outer periphery, the inner peripheral wall of the spherical joint and the outer peripheral wall of the inner pipe, wherein the first flow passage and the second flow passage are not communicated, and the first flow passage and the second flow passage can be: the first flow passage is a purified water flow passage, and the second flow passage is a tap water flow passage.

In one use, the periphery of the water inlet joint is coated with a water inlet body 31, a one-way valve 32 is arranged on a water inlet channel of the water inlet body, and the water inlet body can be matched and connected with other pipelines to provide a fluid source of a second flow channel.

The invention is in the assembly: the periphery of the water inlet connector at two ends of the water inlet is provided with a sealing ring 99 in a sleeved mode, a groove is preferably formed in the periphery of the water inlet connector, the sealing ring is arranged in the groove, the sealing ring is specifically referred to the attached drawings of the specification, the sealing ring can be connected with the inner peripheral wall of the water inlet body in a matched mode, the sealing performance of the second flow channel can be guaranteed, and the whole water leakage phenomenon cannot occur.

In an embodiment of the invention, a first protruding part 34 is arranged on the outer peripheral wall of the water inlet joint close to one end of the outer pipe, and the first protruding part can abut against one end face of the outer pipe and/or the water inlet body, so that the assembly position of the appearance and the water inlet joint can be limited, and the assembly position of the water inlet joint and the water inlet body can be ensured.

Preferably, the following steps: in order to prevent water from leaking from the second flow passage, an annular groove 33 is formed in the inner periphery of one side, close to the water inlet end of the inner pipe, of the water inlet joint, a sealing ring 98 is arranged in the annular groove, the sealing rings used in the invention are different in size at the using position and have the same function, the sealing rings can be connected with the outer peripheral wall of the inner pipe in a matched mode, the water inlet end of the inner pipe is further connected with a water inlet adapter 14 in an inserted mode, the water inlet adapter is connected with other pipelines in a matched mode, a fluid source of the first flow passage is provided, and preferably, purified water can be obtained.

Referring to the attached drawings of the specification, a second protruding portion 42 is arranged on the outer peripheral wall of one side, close to the outer pipe, of the spherical joint and can abut against the other end face of the outer pipe, so that the assembling position of the spherical joint and the outer pipe can be limited, meanwhile, a certain distance is reserved between the second protruding portion and the ball head portion of the spherical joint, normal use of the spherical joint and the water outlet joint can be guaranteed, the rotation of the water outlet device connected to the rear end is guaranteed, and the using angle of the water outlet device is increased.

In a preferred embodiment of the present invention, the water outlet end of the inner pipe is inserted with a water outlet adapter 15, the periphery of the water outlet adapter is provided with a guide surface 16, the guide surface comprises an inclined surface and an arc surface which are arranged along the flow direction once, and the guide surface can be matched with the water flow of the second flow channel, so that when the second flow channel flows to the guide surface, the water flow can be guided and blocked, thereby slowing down the flow rate of the water flow, ensuring the stability of the connection between the water outlet adapter and the water outlet device, reducing the damage to the connection, and prolonging the service life of the whole product.

In use, the water outlet end of the water outlet joint is connected with a water outlet device 50 which can be a drawing head used in a kitchen, the water outlet device is provided with a first water inlet channel 51 and a second water inlet channel 52, the first water inlet channel is only communicated with the first flow channel of the inner pipe, and the second water inlet channel is only communicated with the second flow channel, so that two fluids can not be communicated.

The invention more specifically comprises the following steps: the water outlet device is internally provided with a water passing cavity 53 connected with the first water inlet channel, the water outlet device is also internally provided with a first water outlet channel 54 which can be communicated with the first water inlet channel, the first water passing cavity is internally provided with a movable first mandrel 55, the first mandrel is provided with a first sealing ring 56, and the first sealing ring can control whether the first water inlet channel is communicated with the first water outlet channel or not.

Furthermore, a water diversion cavity 61 connected with the second water inlet channel is arranged in the water outlet device, a second water outlet channel 62 and a third water outlet channel 63 which can be communicated with the second water inlet channel are also arranged in the water outlet device, a shower water outlet 64 and a bubbler 65 are arranged on a panel at the water outlet end of the water outlet device in one use, the second water outlet channel is connected with a shower water outlet, the third water outlet channel is connected with the bubbler, a switching mandrel 60 is arranged in the first water passing cavity, the switching mandrel can control the second water inlet channel to be communicated with the second water outlet channel or the third water outlet channel or not to be communicated with the second water outlet channel or the third water outlet channel, namely, the fluid of the second water inlet channel can not flow to the second water outlet channel and the third water outlet channel, when tap water flowing into the second water channel reaches the water diversion cavity through the second water inlet channel, the switching mandrel can switch the water flow, the shower water or bubble water can be selected, and the switching mandrel is the same as the prior art and is not elaborated.

In a preferred use of the invention, the water outlet device is provided with a first button 71 and a second button 72, the first button is used for controlling the first mandrel, the second button is used for controlling the switching mandrel, a connecting rod 73 is arranged between the first mandrel and the switching mandrel, one end of the connecting rod is connected with the first mandrel, the other end of the connecting rod is connected with the switching mandrel, the middle of the connecting rod is hinged with the body, so that the connecting rod is in a seesaw structure, a cavity 66 is arranged on the switching mandrel, the other end of the connecting rod extends into the cavity, referring to the attached drawings of the specification, when the first button is pressed, the first mandrel moves (moves downwards in the drawing), the switching mandrel is driven to move, in the state, the fluid of the second water inlet channel does not flow to the second water outlet channel and the third water outlet channel, namely the first channel can discharge water from the water outlet device, the second channel does not discharge water from the water outlet device, when the first flow passage is used for discharging the purified water, the water outlet end of the first flow passage cannot be mixed and intersected with the tap water; when the second button is pressed down, the movement of the switching core shaft can drive the first core shaft to move (upwards move in the figure), in the state, the first fluid cannot flow out from the water outlet end of the water outlet device, the fluid of the second water inlet channel can flow to the second water outlet channel or the third water outlet channel, and preferably, a reset spring 74 is arranged among the first core shaft, the switching core shaft and the water outlet device, so that the switching core shaft can be ensured to return to the initial state when water is cut off, and if the first channel cannot flow out, the water of the second channel flows out from the water outlet of the shower head.

More specifically: the invention provides a two-in-one drawing pipe structure, wherein the two-in-one drawing pipe is divided into an inner pipe and an outer pipe, and two fluids respectively flow in the inner pipe and the outer pipe without mutual interference; the water paths of the two fluids are synthesized in the pull pipe, so that the structure is simpler; the front end of the pull pipe is connected by threads, the rear section of the pull pipe is connected by the adapter, and the structure is the same as that of the existing general pull pipe, so that the faucet does not need a special two-in-one valve core and can be general to the existing common kitchen faucet, and a consumer can replace the two-in-one pull pipe and the corresponding pull head in the existing kitchen faucet at home, so that the common kitchen faucet can be changed into the two-in-one kitchen faucet, and the structure is simple and the universality is strong; the outlets of the two fluids and the controller are both arranged on the drawing head, the operation mode is the same as that of the existing kitchen faucet, the learning cost of consumers is low, and the operation is convenient.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A pipe-in-pipe water outlet structure comprises an inner pipe and an outer pipe which are arranged inside and outside, and is characterized in that a water inlet connector is arranged at the water inlet end of the outer pipe, a through water inlet is arranged on the peripheral wall of the water inlet connector, and the water inlet connector is in inserted fit with the outer pipe; the water outlet end of the outer pipe is provided with a spherical joint, and the water outlet end of the spherical joint is provided with a water outlet joint; a first flow channel is arranged in the inner pipe, and a second flow channel is formed among the water inlet joint, the periphery, the inner peripheral wall of the spherical joint and the outer peripheral wall of the inner pipe.

2. The pipe-in-pipe water outlet structure of claim 1, wherein the periphery of the water inlet joint is coated with a water inlet body, and a one-way valve is arranged on a water inlet channel of the water inlet body.

3. The pipe-in-pipe water outlet structure of claim 2, wherein the outer peripheries of the water inlet joints at the two ends of the water inlet are sleeved with sealing rings, and the sealing rings can be connected with the inner peripheral wall of the water inlet body in a matching manner.

4. The structure of claim 3, wherein a first protrusion is disposed on the outer peripheral wall of the water inlet joint near one end of the outer pipe, and the first protrusion can abut against an end face of the outer pipe and/or the water inlet body.

5. The pipe-in-pipe water outlet structure as claimed in claim 4, wherein an annular groove is formed in the inner periphery of the water inlet joint on the side close to the water inlet end of the inner pipe, a sealing ring is arranged in the annular groove and can be connected with the outer peripheral wall of the inner pipe in a matched manner, and the water inlet joint is further inserted into the water inlet end of the inner pipe.

6. The structure of claim 5, wherein a second protrusion is disposed on the outer peripheral wall of the ball joint near the outer tube, and the second protrusion can abut against the other end surface of the outer tube.

7. The pipe-in-pipe water outlet structure as claimed in any one of claims 1 to 6, wherein the water outlet end of the inner pipe is inserted with a water outlet adapter, the water outlet adapter is provided with a guide surface on the periphery, and the guide surface can be matched with the water flow of the second flow passage.

8. The structure of claim 7, wherein a water outlet device is connected to a water outlet end of the water outlet joint, the water outlet device is provided with a first water inlet channel and a second water inlet channel, the first water inlet channel is only communicated with the first flow channel of the inner tube, and the second water inlet channel is only communicated with the second flow channel.

9. The structure of claim 8, wherein a water passing cavity connected to the first water inlet channel is disposed in the water outlet device, the water outlet device further comprises a first water outlet channel capable of communicating with the first water inlet channel, a movable first mandrel is disposed in the first water passing cavity, a first sealing ring is disposed on the first mandrel, and the first sealing ring can control whether the first water inlet channel is communicated with the first water outlet channel.

10. The pipe-in-pipe water outlet structure of claim 9, wherein a water diversion cavity connected with the second water inlet channel is arranged in the water outlet device, a second water outlet channel and a third water outlet channel which can be communicated with the second water inlet channel are further arranged in the water outlet device, a switching mandrel is arranged in the first water passing cavity, and the switching mandrel can control the second water inlet channel to be communicated with the second water outlet channel or the third water outlet channel.

Images