Plastic runner based on bottom-in bottom-out temperature adjusting valve element

Abstract

A plastic flow channel based on a bottom-in bottom-out temperature adjusting valve element comprises a flow channel body integrally formed by plastic materials, the two ends of the flow channel body are provided with a first end installation cavity used for installing a shunt valve element and a second end installation cavity used for installing the temperature adjusting valve element respectively, and the first end installation cavity and the second end installation cavity are communicated through a water mixing channel. The flow channel is characterized in that a cold water inlet and a hot water inlet are formed in the side wall of the flow channel body, and a first water inlet channel communicated with the cold water inlet and a second water inlet channel communicated with the hot water inlet are further arranged in the flow channel body; two water inlets are formed in the bottom wall of the second end mounting cavity around the inlet of the water mixing channel, the two water inlets and the inlet of the water mixing channel are located in the same plane, and the two water inlets communicate with the first water inlet channel and the second water inlet channel correspondingly. The utility model has the advantages that the bottom-in and bottom-out temperature regulating valve core can be mounted in the second-section mounting cavity and is aligned with the two water inlets of the second-section mounting cavity.

Description

Technical Field

[0001] The utility model relates to a faucet for a bathroom, in particular to a plastic flow channel based on a bottom-inlet and bottom-outlet temperature regulating valve core. Background Art

[0002] The faucet is the main tool for controlling the water temperature, flow rate and switching the water outlet. Among them, the thermostatic faucet is often used in the shower equipment to meet the shower needs of different users. The thermostatic faucet includes a metal shell and a plastic flow channel arranged in the metal shell. One end of the plastic flow channel is provided with a thermostatic valve core that can mix cold water and hot water into warm water with a constant water temperature, and the other end is provided with a water diverter valve that can switch different water outlets and is connected to the warm water outlet of the thermostatic valve core, so that the thermostatic faucet can be used in conjunction with the shower equipment.

[0003] The plastic flow channel in the thermostatic faucet in the prior art is shown in the Chinese utility model "A high-strength thermal insulation thermostatic faucet" with patent number CN201721348115.5 (authorization announcement number CN207437842U). The thermostatic faucet includes a metal shell and an insulating lining embedded in the metal shell. The insulating lining is made of plastic material. A thermostatic valve and a water diverter valve are respectively installed at both ends of the insulating lining. Two water inlets are provided on the peripheral wall of the insulating lining. One water inlet is used for cold water and is connected to the thermostatic valve through the cold water channel, and the other water inlet is used for hot water and is directly connected to the thermostatic valve.

[0004] Although the above-mentioned plastic flow channel can install the thermostatic valve core in the cavity at one end, a water inlet for hot water is provided on the side wall of the cavity, and the water inlet is directly connected to the cavity. Therefore, the plastic flow channel can only adapt to the thermostatic valve core with the hot water inlet set on the side. However, in the prior art, the hot water inlet of the thermostatic valve core is also set at the bottom. When the thermostatic valve core is installed in the plastic flow channel along its length, the water inlet of the above-mentioned plastic flow channel cannot match the bottom-in and bottom-out thermostatic valve core, thereby affecting the use effect of the thermostatic valve core. In addition, the plastic flow channel needs to be provided with a water inlet on the side wall of the cavity, which has certain requirements on the length of the side wall of the cavity, so that the cavity occupies a larger space of the plastic flow channel, thereby making the space utilization rate of the plastic flow channel low. For this reason, it is necessary to make further improvements to the plastic flow channel of the thermostatic faucet. Summary of the invention

[0005] The technical problem to be solved by the utility model is to provide a plastic flow channel with a reasonable and compact structure and capable of adapting to a bottom-inlet and bottom-outlet temperature regulating valve core in view of the above-mentioned existing technical status.

[0006] The technical solution adopted by the utility model to solve the above-mentioned technical problems is as follows: the plastic flow channel based on the bottom-inlet and bottom-outlet thermostatic valve core comprises a flow channel body integrally formed of a plastic material, and the two ends of the flow channel body are respectively provided with a first end mounting cavity for installing the water diversion valve core and a second end mounting cavity for installing the thermostatic valve core, the first end mounting cavity and the second end mounting cavity are connected through a mixing water channel, and the mixing water channel is arranged in the flow channel body, characterized in that: a cold water inlet and a hot water inlet are opened on the side wall of the flow channel body, a first water inlet channel connected to the cold water inlet and a second water inlet channel connected to the hot water inlet are also provided in the flow channel body, and two water inlets are provided on the bottom wall of the second end mounting cavity around the inlet of the mixing water channel, the two water inlets and the inlet of the mixing water channel are located in the same plane, and the two water inlets are respectively connected to the first water inlet channel and the second water inlet channel.

[0007] In order to make the layout of the water mixing channel in the flow channel body more reasonable, preferably, the water mixing channel includes at least two sections of water mixing branches, and each section of the water mixing branch can be connected with the adjacent water mixing branch and staggered. Since there are many channels in the flow channel body, if the water mixing channel is perforated and arranged between the first end mounting cavity and the second end mounting cavity, the cross-sectional area of ​​the channel is larger, and the space occupied in the flow channel body is more, which will cause the wall thickness of the flow channel body to be thinner, and therefore, the quality of the plastic flow channel is poor. For this reason, the water mixing channel is divided into multiple sections of water mixing branches, and the multiple sections of water mixing branches are connected in sequence and staggered, so that the layout of the water mixing channel in the flow channel body can be made more reasonable.

[0008] In order to make the layout of the first water inlet channel in the flow channel body more reasonable, preferably, the first water inlet channel includes at least two sections of water inlet branches, each section of the water inlet branch can be connected with the adjacent water inlet branch and staggered. Similarly, the first water inlet channel is longer in the flow channel body and occupies more space in the flow channel body. The first water inlet channel is divided into multiple sections of water inlet branches, and the multiple sections of water inlet branches are connected in sequence and staggered, so that the layout of the first water inlet channel in the flow channel body is more reasonable and the wall thickness of the flow channel body is thicker.

[0009] In order to prevent the plastic runner from overheating during use, preferably, the hot water inlet is arranged on the side wall of the runner body close to the second end mounting cavity, and the cold water inlet is arranged on the side wall of the runner body close to the first end mounting cavity. The second water inlet channel of the runner body is shorter, thereby preventing the hot water flowing in from the hot water inlet from heating up the entire runner body. The first water inlet channel of the runner body is longer, and the cold water flowing in from the cold water inlet cools down the entire runner body, thereby preventing the plastic runner from overheating and scalding the user during use.

[0010] In order to make the flow channel body have multiple water outlet branches, preferably, the side wall of the flow channel body is also provided with a first water outlet and a second water outlet for discharging mixed water, and the flow channel body is provided with a first water outlet channel and a second water outlet channel, one end of the first water outlet channel and the second water outlet channel are both connected to the first end mounting cavity, the other end of the first water outlet channel is connected to the first water outlet, and the other end of the second water outlet channel is connected to the second water outlet.

[0011] In order to facilitate the processing of the flow channel body, preferably, three connecting ports are provided around the outlet of the water mixing channel in the first end installation cavity, one of which is connected to the first water inlet channel, and the other two are connected to the first water outlet channel and the second water outlet channel respectively. The first water inlet channel is a channel connecting the first end installation cavity and the second end installation cavity, which makes the process of processing the water inlet channel simpler, and the connecting port connected to the first water inlet channel will be blocked during assembly, thereby preventing the cold water flowing into the cold water inlet from flowing into the first end installation cavity.

[0012] In order to enable the water-dividing valve core to be accurately installed in the first-end installation cavity, preferably, a first positioning hole is further provided in the first-end installation cavity around the outlet of the mixed water channel, and the first positioning hole is used to position the water-dividing valve core. A first positioning column corresponding to the first positioning hole is provided at the bottom of the water-dividing valve core, and through the cooperation of the first positioning column and the first positioning hole, the water inlet and the water outlet of the water-dividing valve core can be aligned with the three connecting ports in the first-end installation cavity, so that the water-dividing valve core can be more accurately installed in the first-end installation cavity.

[0013] In order to enable the thermostatic valve core to be accurately installed in the second end installation cavity, preferably, at least two second positioning holes are further provided in the second end installation cavity around the inlet of the water mixing channel, and the second positioning holes are used to position the thermostatic valve core. A second positioning column corresponding to the second positioning hole is provided at the bottom of the thermostatic valve core. Through the cooperation of the second positioning column and the second positioning hole, the water inlet and the water outlet of the thermostatic valve core can be aligned with the two water inlets in the second end installation cavity and the outlet of the water mixing channel, so that the thermostatic valve core can be more accurately installed in the second end installation cavity.

[0014] Compared with the prior art, the utility model has the advantages that: by arranging two water inlets respectively connected to the cold water inlet and the hot water inlet on the bottom wall of the second end mounting cavity of the flow channel body, and the two water inlets and the inlet of the mixing water channel are located in the same plane, so that the bottom-in and bottom-out thermostatic valve core can be installed in the second end mounting cavity, that is, the two liquid inlets of the thermostatic valve core are aligned with the two water inlets of the second end mounting cavity, and the water outlet of the thermostatic valve core is aligned with the inlet of the mixing water channel. Therefore, the plastic flow channel can make the bottom-in and bottom-out thermostatic valve core be used normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the structure of an embodiment of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the first end mounting cavity in an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the second end mounting cavity in an embodiment of the utility model;

[0018] Figure 4 It is a cross-sectional view of an embodiment of the utility model along the extending direction of the first water inlet channel;

[0019] Figure 5 It is a cross-sectional view of an embodiment of the utility model along the direction of the first water outlet and the second water outlet;

[0020] Figure 6 It is a cross-sectional view of an embodiment of the utility model along the extending direction of the second water inlet channel. DETAILED DESCRIPTION

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0022] like Figures 1 to 6 Shown is the best embodiment of the utility model.

[0023] like Figures 1 to 6 As shown, the plastic flow channel of this embodiment includes a flow channel body 1 integrally formed of a plastic material, and the two ends of the flow channel body 1 are respectively provided with a first end mounting cavity 11 for mounting a water diversion valve core and a second end mounting cavity 12 for mounting a thermostatic valve core, the first end mounting cavity 11 and the second end mounting cavity 12 are connected through a mixing water channel 13, and the mixing water channel 13 is arranged in the flow channel body 1, and a cold water inlet 1a and a hot water inlet 1b are opened on the side wall of the flow channel body 1, and the hot water inlet 1b is arranged on the side wall of the flow channel body 1 near the second end mounting cavity 12 On the top, the cold water inlet 1a is arranged on the side wall of the flow channel body 1 close to the first end installation cavity 11, and the flow channel body 1 is also provided with a first water inlet channel 14 communicating with the cold water inlet 1a and a second water inlet channel 15 communicating with the hot water inlet 1b, and the bottom wall of the second end installation cavity 12 is provided with two water inlets 121 around the inlet 131 of the mixing water channel 13, and the two water inlets 121 are located in the same plane as the inlet 131 of the mixing water channel 13, and the two water inlets 121 are respectively communicated with the first water inlet channel 14 and the second water inlet channel 15. In addition, two second positioning holes 122 are also provided around the inlet 131 of the mixing water channel 13 in the second end installation cavity 12, and the second positioning holes 122 are used to position the thermostatic valve core.

[0024] like Figure 2 and Figure 5As shown, the side wall of the flow channel body 1 of this embodiment is also provided with a first water outlet 1c and a second water outlet 1d for discharging mixed water, and a first water outlet channel 16 and a second water outlet channel 17 are provided in the flow channel body 1. One end of the first water outlet channel 16 and the second water outlet channel 17 are both connected to the first end installation cavity 11, and the other end of the first water outlet channel 16 is connected to the first water outlet 1c, and the other end of the second water outlet channel 17 is connected to the second water outlet 1d. In addition, three connecting ports 111 and a first positioning hole 112 are provided around the outlet 132 of the mixed water channel 13 in the first end installation cavity 11, one connecting port 111 is connected to the first water inlet channel 14, and the other two connecting ports 111 are respectively connected to the first water outlet channel 16 and the second water outlet channel 17, and the first positioning hole 112 is used to position the water diversion valve core.

[0025] like Figure 4 As shown, steps are provided in the mixing channel 13 and the first water inlet channel 14 of this embodiment, wherein the mixing channel 13 includes two sections of mixing branches 133, and the two sections of mixing branches 133 can be connected in sequence and staggered; the first water inlet channel 14 includes three sections of water inlet branches 141, and each section of the water inlet branch 141 can be connected with the adjacent water inlet branch 141 and staggered, and the connection point of the two sections of the mixing branches 133 is provided with a step to stagger them, and the connection point of the three sections of the water inlet branches 141 is provided with a step to stagger them.

[0026] The working process of this embodiment is as follows: cold water enters the flow channel body 1 through the cold water inlet 1a, and flows into the second end installation cavity 12 through the first water inlet channel 14 and the water inlet 121 in sequence; hot water enters the flow channel body 1 through the hot water inlet 1b, and flows into the second end installation cavity 12 through the second water inlet channel 15 and the water inlet 121 in sequence; the two water inlets 121 are respectively aligned with the two inlets at the bottom of the thermostatic valve core, so that the cold water and hot water flow into the thermostatic valve core to mix; the outlet at the bottom of the thermostatic valve core is aligned with the inlet of the mixing channel, so that the mixed water can flow into the mixing channel through the outlet at the bottom of the thermostatic valve core, and finally flow into the water diversion valve core from the outlet of the mixing channel; the water diversion valve core selects the corresponding water outlet branch in the first water outlet channel 16 and the second water outlet channel 17, so that the mixed water flows out from the first water outlet 1c or the second water outlet 1d.

Claims

1. A plastic flow channel based on a bottom-inlet and bottom-out thermostatic valve core, comprising a flow channel body (1) integrally formed of a plastic material, wherein two ends of the flow channel body (1) are respectively provided with a first end mounting cavity (11) for mounting a water diversion valve core and a second end mounting cavity (12) for mounting a thermostatic valve core, wherein the first end mounting cavity (11) and the second end mounting cavity (12) are connected via a water mixing channel (13), and the water mixing channel (13) is arranged in the flow channel body (1), characterized in that: A cold water inlet (1a) and a hot water inlet (1b) are provided on the side wall of the flow channel body (1); a first water inlet channel (14) communicating with the cold water inlet (1a) and a second water inlet channel (15) communicating with the hot water inlet (1b) are also provided in the flow channel body (1); two water inlets (121) are provided on the bottom wall of the second end mounting cavity (12) around the inlet (131) of the mixing water channel (13); the two water inlets (121) and the inlet (131) of the mixing water channel (13) are located in the same plane; the two water inlets (121) are respectively communicated with the first water inlet channel (14) and the second water inlet channel (15).

2. The plastic flow channel according to claim 1, characterized in that: The water mixing channel (13) comprises at least two sections of water mixing branches (133), and each section of the water mixing branch (133) can be connected to an adjacent water mixing branch (133) and arranged in a staggered manner.

3. The plastic flow channel according to claim 1, characterized in that: The first water inlet channel (14) comprises at least two sections of water inlet branches (141), and each section of the water inlet branch (141) can be connected to an adjacent water inlet branch (141) and arranged in a staggered manner.

4. The plastic flow channel according to claim 1, characterized in that: The hot water inlet (1b) is arranged on a side wall of the flow channel body (1) close to the second end mounting cavity (12), and the cold water inlet (1a) is arranged on a side wall of the flow channel body (1) close to the first end mounting cavity (11).

5. The plastic flow channel according to claim 1, characterized in that: A first water outlet (1c) and a second water outlet (1d) for discharging mixed water are also provided on the side wall of the flow channel body (1), and a first water outlet channel (16) and a second water outlet channel (17) are provided in the flow channel body (1), one end of each of the first water outlet channel (16) and the second water outlet channel (17) is communicated with the first end mounting cavity (11), the other end of the first water outlet channel (16) is communicated with the first water outlet (1c), and the other end of the second water outlet channel (17) is communicated with the second water outlet (1d).

6. The plastic flow channel according to claim 5, characterized in that: Three connecting ports (111) are provided in the first end mounting cavity (11) around the outlet (132) of the water mixing channel (13), one of the connecting ports (111) being connected to the first water inlet channel (14), and the other two connecting ports (111) being connected to the first water outlet channel (16) and the second water outlet channel (17), respectively.

7. The plastic flow channel according to claim 6, characterized in that: A first positioning hole (112) is also provided in the first end installation cavity (11) around the outlet (132) of the water mixing channel (13), and the first positioning hole (112) is used to position the water diversion valve core.

8. The plastic flow channel according to claim 1, characterized in that: At least two second positioning holes (122) are also provided in the second end installation cavity (12) around the inlet (131) of the water mixing channel (13), and the second positioning holes (122) are used to position the temperature regulating valve core.

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