Double-ball-valve coaxial faucet

Abstract

According to the coaxial faucet with the double ball valves, the first water outlet pipeline and the second water outlet pipeline are formed in the integrated valve body, the first ball core and the second ball core which are coaxially arranged up and down are arranged in the integrated valve body, the corresponding handles are arranged outside the valve body to screw the ball cores to control the water passing condition of the water outlet pipelines, and the structure is more stable; the service life of the product is prolonged to the maximum extent, the product can be purchased according to the specification and size of a single-ball-valve faucet, a water inlet pipeline or an extension pipe used for being connected with an internal thread pipe in a wall is a conventional external thread water pipe, and a user can adjust and adapt the water inlet pipeline or the extension pipe at will according to use scenes; a manufacturer only needs a valve body mold of one specification during production, the product is provided with a more reasonable valve element structure, a coaxial valve ball arrangement mode is adopted to replace a staggered valve element arrangement mode, the overall structure is simplified, meanwhile, under the condition of the same specification and size, the influence of a use scene can be avoided to the maximum extent, and the production efficiency is improved. And the user experience is improved.

Description

Technical Field

[0001] This utility model belongs to the field of valves, and refers to a ball valve faucet, specifically a double ball valve coaxial faucet. Background Technique

[0002] With the emergence of different usage scenarios, single ball valve faucets often cannot meet daily needs, and users will purchase double ball valve faucets for replacement. A double ball valve faucet is a structure that opens and closes by adjusting the internal ball core. Its water control function of one inlet and two outlets meets some daily usage scenarios.

[0003] In the prior art, for a double ball valve faucet with the water control function of one inlet and two outlets, its structure can be seen in Patent 202230646480.4. It is provided with two groups of separate valve bodies, which are screwed together. The closing and opening between the two valve bodies do not interfere with each other, and the water control function of one inlet and two outlets can be achieved.

[0004] However, there are some problems or areas for improvement in the above-mentioned double ball valve faucets:

[0005] First of all, the two groups of valve bodies of this type of faucet are set and installed in a split manner, and its structure is relatively unstable. Especially when the handle is often turned, it will cause loosening at the connection, which will affect its sealing performance, resulting in easy leakage. This not only increases the user's maintenance time and usage cost, but also shortens the service life of the product due to more frequent repairs; [[ID=ID=19]]

[0006] Secondly, in actual use, due to the relatively complex and diverse usage situations (scenarios) during installation, some situations (scenarios) will inevitably result in limited installation space. Especially after some walls are tiled, more installation length is required. For example, in the same scenario, the length of a single ball valve faucet only requires a specification size of 140mm, while for the above-mentioned double ball valve faucet, a specification size of 200mm is required. Due to the split double ball valve design, the length of the water inlet end is affected by the product specification size. In the case where the user mistakenly buys a small specification size, they need to repurchase, which also causes unnecessary purchase costs and idle waste; at the same time, since the pipe inside the wall is usually an internal thread pipe, most of the extension pipes on the market are external thread pipes, and it is not convenient for users to extend, and the adaptability is poor; in addition, this type of product is specially made, and users cannot simply replace it with conventional means, and the applicability is also poor;

[0007] Thirdly, when manufacturing double ball valve faucets of different specification sizes, more specifications of molds are bound to be required, which will also lead to production pressure on the factory;

[0008] Finally, for the switch of this type of double-valve ball faucet, since the connection points of the split valve balls can only be arranged with an offset up and down, with this structure, under the condition of the same specification size, even if the faucet length is sufficient for installation, the distance between the handle and the wall is often limited, which affects the user experience during normal use.

[0009] Therefore, the present utility model will propose a solution to the above technical problems. Summary of the Utility Model

[0010] The purpose of the present utility model is to provide a double-ball valve coaxial faucet with a more reasonable structural arrangement.

[0011] The purpose of the present utility model is achieved as follows: A double-ball valve coaxial faucet includes an integrated valve body for connecting the water inlet pipe. A first water outlet pipe and a second water outlet pipe are formed inside the valve body. A first ball core and a second ball core are arranged coaxially up and down inside the valve body. A corresponding handle is provided outside the valve body to screw the first ball core and the second ball core to control the water flow conditions of the first water outlet pipe and the second water outlet pipe.

[0012] In the above double-ball valve coaxial faucet, the water inlet pipe and the valve body are connected by threads.

[0013] In the above double-ball valve coaxial faucet, the first ball core includes main water through holes arranged oppositely, and the main water through holes communicate the water inlet pipe and the first water outlet pipe. On the circumferential side wall of the first ball core, there are also auxiliary water through holes and water diversion holes facing the second water outlet pipe. When the first ball core is screwed to make the auxiliary water through holes communicate with the water inlet pipe, the first water outlet pipe is closed, and the water inlet pipe is separately communicated with the second water outlet pipe through the auxiliary water through holes and the water diversion holes.

[0014] In the above double-ball valve coaxial faucet, the second ball core includes secondary water through holes arranged oppositely, and when the second ball core is screwed, the two ends of the secondary water through holes are respectively communicated with the water diversion holes and the second water outlet pipe.

[0015] In the above double-ball valve coaxial faucet, there is also a pressure relief hole on the circumferential side wall of the second ball core.

[0016] The prominent and beneficial technical effects of the present utility model compared with the prior art are:

[0017] The utility model relates to a double-ball valve coaxial faucet, which adopts an integrated valve body main structure, has a more stable structure, can maximize the service life of the product, and can be purchased according to the specifications of a single-ball valve faucet when buying the specifications. The water inlet pipe or extension pipe for connecting the internal thread pipe in the wall is a conventional external thread water pipe, and users can adjust and adapt it according to the usage scenario at will; moreover, the manufacturer only needs a valve body mold of one specification during production. The product is provided with a more reasonable valve core structure, and the coaxial valve ball arrangement method is adopted to replace the misaligned valve core arrangement method. While streamlining the overall structure, under the condition of the same specifications, it can be minimally affected by the usage scenario and improve the user experience.

[0018] In addition, the ball core in the utility model has a unique structure, and even in the case of long-term screwing or freezing at low temperatures in winter, it can still provide good performance and a long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional structure schematic diagram of the double-ball valve coaxial faucet of the utility model.

[0020] Figure 2 is a cross-sectional view of the double-ball valve coaxial faucet of the utility model.

[0021] Figure 3 is a schematic diagram of the layout relationship of the ball core of the double-ball valve coaxial faucet of the utility model.

[0022] Figure 4 is a three-dimensional structure schematic diagram of the first ball core of the double-ball valve coaxial faucet of the utility model.

[0023] Figure 5 is a three-dimensional structure schematic diagram of the second ball core of the double-ball valve coaxial faucet of the utility model.

[0024] The meanings represented by the reference numerals in the drawings are as follows:

[0025] 1 - water inlet pipe; 2 - valve body; 21 - first water outlet pipe; 22 - second water outlet pipe;

[0026] 31 - first ball core; 311 - main water through hole; 312 - water distribution hole; 313 - secondary water through hole;

[0027] 32 - second ball core; 321 - secondary water through hole; 322 - pressure relief hole;

[0028] 4 - handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The following further describes the utility model with reference to specific embodiments:

[0030] AsFigures 1-5 As shown in the figure, a double-ball valve coaxial faucet includes an integrated valve body 2 for connecting the water inlet pipe 1. A first water outlet pipe 21 and a second water outlet pipe 22 are formed inside the valve body 2. A first ball core 31 and a second ball core 32 are arranged inside the valve body 2. The first ball core 31 and the second ball core 32 are arranged coaxially up and down. A corresponding handle 4 is arranged outside the valve body 2 to screw the first ball core 31 and the second ball core 32 to control the water flow conditions of the first water outlet pipe 21 and the second water outlet pipe 22.

[0031] In this technical solution, the valve body 2 is integrally formed, and the first water outlet pipe 21 and the second water outlet pipe 22 inside it are also integrally connected, making the stability and sealing performance of the valve body stronger. The water inlet pipe 1 and the handle 4 corresponding to the first ball core 31 and the second ball core 32 are detachably connected to the valve body 2. Specifically, the water inlet pipe 1 and the valve body 2 are connected by threads. The end of the water inlet pipe is provided with external threads, and the corresponding part on the valve body 2 is provided with internal threads. The arrangement position of the threads can be seen in the attached Figure 2 As shown in the figure, the valve body 2 is connected to the water inlet pipe 1 by internal threads. Users can flexibly select the specification size (length) of the water inlet pipe 1 according to the installation scenario of the faucet. The inside of the faucet uses ball cores as valve cores to control the water flow conditions. The ball cores include a first ball core 31 and a second ball core 32, which are arranged coaxially up and down inside the valve body 2 and are both controlled by the handle 4 to adjust the water outlet conditions of the water inlet pipe 1, the first water outlet pipe 21, and the second water outlet pipe 22. Compared with the prior art, the handle 4 and the two valve bodies are arranged in a staggered manner, which will limit the installation applicability of the faucet under the condition of specification size. In addition, the overall shape is not concise enough.

[0032] Further, regarding the specific structure of water flow between the ball valves, the first ball core 31 includes main water through holes 311 arranged oppositely. The main water through holes 311 communicate the water inlet pipe 1 and the first water outlet pipe 21. On the circumferential side wall of the first ball core 31, there are also secondary water through holes 313 and a water distribution hole 312 facing the second water outlet pipe 22. When the first ball core 31 is screwed to make the secondary water through holes 313 communicate with the water inlet pipe 1, the first water outlet pipe 21 is closed, and the water inlet pipe 1 is separately communicated with the second water outlet pipe 22 through the secondary water through holes 313 and the water distribution hole 312.

[0033] The shape and structure of the ball core can be seen in the attached Figure 3 In the water flow state, the two ends of the main water through hole 311 of the first ball core 31 are screwed to communicate with the water inlet pipe 1 and the first water outlet pipe 21; when the first ball core 31 is screwed to make the secondary water through holes 313 communicate with the water inlet pipe 1, the first water outlet pipe 21 is closed, and the water flow has a tendency to flow to the second ball core 32 through the secondary water through holes 313 and the water distribution hole 312.

[0034] Further, the second ball core 32 is provided with secondary water through holes 321 arranged oppositely, and by screwing the second ball core 32, the two ends of the secondary water through holes 321 are respectively communicated with the water distribution holes 312 and the second water outlet pipe 22. This structure can open the second water outlet pipe 22.

[0035] Further, a pressure relief hole 322 is further included on the circumferential side wall of the second ball core 32. This structure can ensure the normal use of users to a certain extent. For example, in the case of low-temperature freezing in winter, for the conventional ball valve faucets on the market, the single-ball valve faucet or double-ball valve faucet with directly connected water through holes arranged oppositely, when the valve is closed, the pipeline forms a closed space, and the water that has not flowed out in the first time will stay in the pipeline. In the case of low-temperature freezing in winter, the water flow will freeze and expand, easily causing the pipeline to burst. This structure has a pressure relief hole 322. After closing the second water outlet pipe 22, the water flow will stay in the second ball core 32, reducing the freezing pressure of the pipeline. And by screwing the handle 4 to rotate the pressure relief hole 322, the freezing phenomenon can be effectively dealt with, and good performance can still be maintained.

[0036] In this technical solution, in addition to the function of connecting the water distribution hole 312 and the second water outlet pipe 22, the secondary water through hole 313 also has the same function as the pressure relief hole 322.

[0037] The above embodiments are only the preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A double-ball valve coaxial faucet, characterized in that: It includes an integrated valve body (2) for connecting the water inlet pipe (1). A first water outlet pipe (21) and a second water outlet pipe (22) are formed inside the valve body (2). A first ball core (31) and a second ball core (32) are arranged inside the valve body (2). The first ball core (31) and the second ball core (32) are coaxially arranged vertically. A corresponding handle (4) is arranged outside the valve body (2) to screw the first ball core (31) and the second ball core (32) to control the water passing condition of the first water outlet pipe (21) and the second water outlet pipe (22).

2. The double-ball-valve coaxial faucet according to claim 1, characterized in that: The water inlet pipe (1) and the valve body (2) are connected by threads.

3. The double-ball-valve coaxial faucet according to claim 1 or 2, characterized in that: The first ball core (31) includes main water passing holes (311) arranged oppositely. The main water passing holes (311) communicate the water inlet pipe (1) and the first water outlet pipe (21). An auxiliary water passing hole (313) and a water dividing hole (312) facing the second water outlet pipe (22) are further included on the circumferential side wall of the first ball core (31). When the first ball core (31) is screwed to make the auxiliary water passing hole (313) communicate with the water inlet pipe (1), the first water outlet pipe (21) is closed, and the water inlet pipe (1) is separately communicated with the second water outlet pipe (22) through the auxiliary water passing hole (313) and the water dividing hole (312).

4. The double-ball valve coaxial faucet according to claim 3, characterized in that: The second ball core (32) includes second-level water passing holes (321) arranged oppositely. When the second ball core (32) is screwed to make both ends of the second-level water passing holes (321) communicate with the water dividing hole (312) and the second water outlet pipe (22) respectively.

5. The double-ball valve coaxial faucet according to claim 4, characterized in that: A pressure relief hole (322) is further included on the circumferential side wall of the second ball core (32).

Images