Brand-new double-seal anti-scald constant-temperature faucet
By setting up water inlet and return water channels in the constant temperature faucet, the hot water stroke is reduced, and the inlet and outlet ports and filters are set on the outer shell, the problems of anti-scalding performance and manufacturing difficulty of the existing constant temperature faucet are solved, and better Anti-scalding effect and manufacturing convenience.
Patent Information
- Application Number
- CN202420954078.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-06
AI Technical Summary
The existing constant temperature faucets have shortcomings in anti-scalding performance and manufacturing difficulty, especially the plastic body integrated structure has good anti-scalding performance but the hot water is too long, and there are special requirements for the shell material, which increases the manufacturing difficulty.
A new double seal anti-scalding constant temperature faucet is designed. By setting the water inlet channel and return channel in the main body of the faucet, the hot water inlet hole is set in the close position of the water mixing valve core to reduce the hot water stroke and on the shell Set up two water inlets and two water outlets, use connectors and filters to improve anti-scalding performance, and reduce special requirements for shell material.
It achieves better anti-scalding performance and reduces product manufacturing difficulty, shortens hot water stroke, and has no special requirements for shell material, which improves product usage safety and production efficiency.
Smart Images

Figure CN222209088U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of thermostatic faucets, in particular to a new double-sealed anti-scalding thermostatic faucet. Background Art
[0002] The function of the thermostatic faucet is to automatically mix cold water and hot water into warm water of a preset temperature. It is a very important bathing component needed in people's lives. There are two types of structures on the current market: the first type is a split plastic body with the water path passing through the outer shell. This type can only be made of a stainless steel shell or a full copper shell; the second type is a one-piece plastic body with all water paths passing through the plastic body. The anti-scalding performance is better, but the thermostatic valve core can only be placed on the right, and the hot water path is too long.
[0003] Based on the above reasons, the utility model provides a new double-sealed anti-scalding thermostatic faucet. Utility Model Content
[0004] The utility model aims to provide a new double-sealed anti-scalding thermostatic faucet to solve the problems existing in the prior art.
[0005] To achieve the above purpose, the utility model provides the following solution: The utility model provides a new double-sealed anti-scalding thermostatic faucet, including:
[0006] shell;
[0007] A faucet body, the faucet body is installed in the shell, and two ends of the faucet body are respectively provided with a first installation cavity and a second installation cavity;
[0008] A water mixing valve core, the water mixing valve core is installed in the first installation cavity, a water inlet channel is opened in the faucet body along the axial direction, one end of the water inlet channel is connected with the first installation cavity, a cold water inlet hole and a hot water inlet hole are opened on the water inlet channel, and the hot water inlet hole is arranged at one end of the water inlet channel close to the water mixing valve core, and a water return channel is arranged on the faucet body, and both ends of the water return channel are respectively connected with the first installation cavity and the second installation cavity;
[0009] a water diversion valve core, the water diversion valve core is installed in the second installation cavity, a water outlet channel is symmetrically opened in the faucet body along the axial direction, one end of the water outlet channel is connected to the second installation cavity, and water outlet holes are respectively opened on the two water outlet channels;
[0010] Wherein, the cold water inlet hole and the hot water inlet hole are respectively detachably connected with water inlet joints through connecting pieces, and the water inlet joints extend out of the shell.
[0011] According to the new double-sealed anti-scalding thermostatic faucet provided by the utility model, two water inlets and two water outlets are opened on the shell, the axes of the two water inlets are parallel and perpendicular to the axis of the shell, the axes of the two water outlets are collinear, and the two water outlets are located between the two water inlets, the water outlets are arranged corresponding to the water outlet holes, and the two water inlets are arranged corresponding to the cold water inlet hole and the hot water inlet hole respectively.
[0012] According to the new double-seal anti-scalding thermostatic faucet provided by the utility model, the connecting part includes a fixing nut, one end of the fixing nut is rotatably connected to an external threaded sleeve, the external threaded sleeve is threadedly connected to the cold water inlet hole and the hot water inlet hole respectively, the other end of the fixing nut is threadedly matched with the water inlet joint, a circular device cup is arranged between the water inlet joint and the fixing nut, the circular device cup is abutted against the fixing nut, and a check valve core is installed in the external threaded sleeve.
[0013] According to the new double-sealed anti-scalding thermostatic faucet provided by the utility model, a filter screen is arranged inside the external threaded sleeve, and the filter screen is fixed inside the external threaded sleeve by a retaining spring.
[0014] According to the new double-sealed anti-scalding thermostatic faucet provided by the utility model, a support ring is arranged between the water mixing valve core and the first installation cavity.
[0015] According to the new double-sealed anti-scalding thermostatic faucet provided by the utility model, a water outlet joint is threadedly connected to the water outlet hole, and a sealing rubber ring is arranged between the water outlet joint and the water outlet.
[0016] According to the new double-sealed anti-scalding thermostatic faucet provided by the utility model, knobs are rotatably connected to the two ends of the shell, and the two knobs are detachably connected to the water mixing valve core and the water diversion valve core.
[0017] The utility model discloses the following technical effects:
[0018] When the utility model is working, the cold water pipe and the hot water pipe are connected to the water inlet joints respectively, and the cold water and hot water enter the water inlet channel from the cold water inlet hole and the hot water inlet hole respectively. The flow channel of the hot water is shorter than that of the cold water. The cold and hot water enter the mixing valve, and after being mixed by the mixing valve to form warm water, they enter the return water channel. Thereafter, the water diversion valve core is used to control the warm water to enter the water outlet channel, and finally flow out from the water outlet hole.
[0019] The utility model arranges the hot water inlet hole near the mixing valve to reduce the hot water stroke. Meanwhile, the water inlet channel is arranged in the faucet body, so the anti-scalding performance is better and there is no special requirement for the material of the shell, thereby reducing the difficulty of product manufacturing. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0021] Figure 1 This is the axonometric drawing of the new double-sealed anti-scalding thermostatic faucet of the utility model;
[0022] Figure 2 This is an axonometric drawing of the new double-sealed anti-scalding thermostatic faucet (without a housing) of the utility model;
[0023] Figure 3 It is a structural schematic diagram of the main body of the faucet of the utility model;
[0024] Figure 4 It is a left view of the main body of the faucet of the utility model;
[0025] Figure 5 It is a right side view of the main body of the faucet of the utility model;
[0026] Figure 6 It is a structural schematic diagram of the external thread sleeve of the utility model.
[0027] Among them, 1. outer shell; 2. first installation cavity; 3. second installation cavity; 4. water mixing valve core; 5. water inlet channel; 6. cold water inlet hole; 7. hot water inlet hole; 8. return channel; 9. water diversion valve core; 10. water outlet channel; 11. water outlet hole; 12. water inlet joint; 13. water outlet; 14. water inlet; 15. fixing nut; 16. external threaded sleeve; 17. circular device cup; 18. filter; 19. retaining ring; 20. water outlet joint; 21. knob; 22. faucet body. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0030] Reference Figure 1-6 The utility model provides a new double-sealed anti-scalding thermostatic faucet, including:
[0031] Shell 1;
[0032] The faucet body 22 is installed in the housing 1, and the two ends of the faucet body 22 are respectively provided with a first installation cavity 2 and a second installation cavity 3;
[0033] A mixing valve core 4 is installed in the first installation cavity 2. A water inlet channel 5 is provided in the faucet body 22 along the axial direction. One end of the water inlet channel 5 is communicated with the first installation cavity 2. A cold water inlet hole 6 and a hot water inlet hole 7 are provided on the water inlet channel 5. The hot water inlet hole 7 is provided at one end of the water inlet channel 5 close to the mixing valve core 4. A return water channel 8 is provided on the faucet body 22. Both ends of the return water channel 8 are communicated with the first installation cavity 2 and the second installation cavity 3 respectively.
[0034] A water diversion valve core 9 is installed in the second installation cavity 3. A water outlet channel 10 is symmetrically opened in the faucet body 22 along the axial direction. One end of the water outlet channel 10 is connected to the second installation cavity 3. Water outlet holes 11 are respectively opened on the two water outlet channels 10;
[0035] The cold water inlet hole 6 and the hot water inlet hole 7 are respectively detachably connected with water inlet joints 12 via connecting pieces, and the water inlet joints 12 extend out of the housing 1 .
[0036] When the utility model is working, the cold water pipe and the hot water pipe are connected to the water inlet joint 12 respectively, and the cold water and hot water enter the water inlet channel 5 from the cold water inlet hole 6 and the hot water inlet hole 7 respectively. The flow path of hot water is shorter than that of cold water. The cold and hot water enter the mixing valve, and after being mixed by the mixing valve to form warm water, they enter the return water channel 8. Thereafter, the water diversion valve core 9 is used to control the warm water to enter the water outlet channel 10, and finally flow out from the water outlet hole 11.
[0037] The utility model arranges the hot water inlet hole 7 near the mixing valve to reduce the hot water stroke. Meanwhile, the water inlet channel 5 is arranged in the faucet body 22, which has good anti-scalding performance and has no special requirements on the material of the shell 1, thereby reducing the difficulty of product manufacturing.
[0038] A further optimization scheme is that two water inlets 14 and two water outlets 13 are provided on the outer shell 1, the axes of the two water inlets 14 are parallel and perpendicular to the axis of the outer shell 1, the axes of the two water outlets 13 are collinear, and the two water outlets 13 are located between the two water inlets 14, the water outlets 13 are arranged corresponding to the water outlet holes 11, and the two water inlets 14 are arranged corresponding to the cold water inlet hole 6 and the hot water inlet hole 7 respectively.
[0039] A further optimized solution is that the connecting piece includes a fixing nut 15, one end of which is rotatably connected to an external threaded sleeve 16, the external threaded sleeve 16 is threadedly connected to the cold water inlet hole 6 and the hot water inlet hole 7 respectively, the other end of the fixing nut 15 is threadedly matched with the water inlet joint 12, a circular device cup 17 is arranged between the water inlet joint 12 and the fixing nut 15, the circular device cup 17 is abutted against the fixing nut 15, and a check valve core is installed in the external threaded sleeve 16.
[0040] Further optimizing the scheme, a filter screen 18 is arranged in the external threaded sleeve 16, and the filter screen 18 is fixed in the external threaded sleeve 16 by a retaining ring 19. The cold water and hot water entering the water inlet channel 5 are filtered by the arrangement of the filter screen 18 to avoid clogging inside the faucet body 22.
[0041] In a further optimized solution, a support ring is provided between the water mixing valve core 4 and the first installation cavity 2. An installation groove corresponding to the support ring is provided on the inner wall of the first installation cavity 2, and the position of the water mixing valve core 4 is limited by the provision of the support ring.
[0042] In a further optimized solution, a water outlet connector 20 is threadedly connected to the water outlet hole 11, and a sealing rubber ring is provided between the water outlet connector 20 and the water outlet 13. The water outlet connector 20 can be directly connected to the water outlet pipe, and the switch of the two water outlet connectors 20 is controlled by the water diversion valve core 9.
[0043] According to a further optimized solution, knobs 21 are rotatably connected to both ends of the housing 1, and the two knobs 21 are detachably connected to the water mixing valve core 4 and the water dividing valve core 9, respectively.
[0044] The mixing valve core 4 is adjusted by the knob 21 connected to the mixing valve core 4 to control the ratio of cold and hot water, and the water separation valve core 9 is rotated by the knob 21 connected to the water separation valve core 9 to control the on and off of the water outlet and the water outlet hole 11.
[0045] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0046] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.
Claims
1. A new double-sealed anti-scalding thermostatic faucet, characterized in that: include: Housing (1); A faucet body (22), the faucet body (22) being installed in the housing (1), and a first installation cavity (2) and a second installation cavity (3) being respectively formed at two ends of the faucet body (22); A water mixing valve core (4), the water mixing valve core (4) being installed in the first installation cavity (2), a water inlet channel (5) being provided in the faucet body (22) along the axial direction, one end of the water inlet channel (5) being communicated with the first installation cavity (2), a cold water inlet hole (6) and a hot water inlet hole (7) being provided on the water inlet channel (5), and the hot water inlet hole (7) being provided at one end of the water inlet channel (5) close to the water mixing valve core (4), a water return channel (8) being provided on the faucet body (22), and two ends of the water return channel (8) being communicated with the first installation cavity (2) and the second installation cavity (3) respectively; a water diversion valve core (9), the water diversion valve core (9) being installed in the second installation cavity (3), a water outlet channel (10) being symmetrically opened in the faucet body (22) along the axial direction, one end of the water outlet channel (10) being connected to the second installation cavity (3), and water outlet holes (11) being opened on the two water outlet channels (10); The cold water inlet hole (6) and the hot water inlet hole (7) are respectively detachably connected to a water inlet joint (12) via a connecting piece, and the water inlet joint (12) extends out of the housing (1).
2. A new double-sealed anti-scalding thermostatic faucet according to claim 1, characterized in that: The shell (1) is provided with two water inlets (14) and two water outlets (13); the axes of the two water inlets (14) are parallel and perpendicular to the axis of the shell (1); the axes of the two water outlets (13) are collinear; and the two water outlets (13) are located between the two water inlets (14); the water outlets (13) are arranged corresponding to the water outlet holes (11); and the two water inlets (14) are arranged corresponding to the cold water inlet hole (6) and the hot water inlet hole (7), respectively.
3. The new double-sealed anti-scalding thermostatic faucet according to claim 1 is characterized by: The connecting member comprises a fixing nut (15), one end of which is rotatably connected to an external threaded sleeve (16), the external threaded sleeve (16) being threadedly connected to the cold water inlet hole (6) and the hot water inlet hole (7) respectively, the other end of the fixing nut (15) being threadedly matched with the water inlet joint (12), a circular device cup (17) being arranged between the water inlet joint (12) and the fixing nut (15), the circular device cup (17) being in abutment with the fixing nut (15), and a check valve core being installed in the external threaded sleeve (16).
4. The new double-sealed anti-scalding thermostatic faucet according to claim 3 is characterized by: A filter screen (18) is arranged inside the external threaded sleeve (16), and the filter screen (18) is fixed inside the external threaded sleeve (16) via a retaining spring (19).
5. The new double-sealed anti-scalding thermostatic faucet according to claim 1 is characterized by: A support ring is provided between the water mixing valve core (4) and the first installation cavity (2).
6. The new double-sealed anti-scalding thermostatic faucet according to claim 2 is characterized by: The water outlet hole (11) is threadedly connected with a water outlet joint (20), and a sealing rubber ring is provided between the water outlet joint (20) and the water outlet (13).
7. The new double-sealed anti-scalding thermostatic faucet according to claim 1 is characterized by: The two ends of the housing (1) are rotatably connected to knobs (21), and the two knobs (21) are detachably connected to the water mixing valve core (4) and the water diversion valve core (9).
