Faucet elbow with flow limiter and double-water-outlet kitchen faucet

Abstract

The faucet elbow with the flow limiter comprises a water outlet elbow body, an inner water outlet pipe, a cylindrical base, a water diversion connector, a flow limiter shell, an O-shaped silica gel ring, a two-way connector, a fastener and an opening baffle ring, the O-shaped silica gel ring is arranged in a flow limiting core cavity, the flow limiter shell is arranged in a flow limiting cavity, and the two-way connector is arranged in the opening baffle ring. The external thread pipe part and the internal thread cavity are screwed and sealed, and the flow limiter shell is fixed; the annular seat plate and the counter bore are embedded and sealed; the fastener is sleeved on the inner water outlet pipe, the inner water outlet pipe is inserted into the inner connector pipe, and the fastener is inserted into the inner connector pipe to fix the inner water outlet pipe; the head is inserted into the water outlet bent pipe and fixed, an annular water outlet cavity is formed by a gap between the inner water outlet pipe and the water outlet bent pipe, and the opening baffle ring is embedded into the annular clamping groove. The current limiter shell and the O-shaped silica gel ring form a steady-flow and constant-flow valve, and when the water flow pressure changes, the water outlet amount is kept constant.

Description

Technical Field

[0001] The utility model relates to a kitchen faucet. Background Art

[0002] In the current prior art, Chinese Patent No. 202121344670.7, a double-handle and dual-functional kitchen faucet, belongs to the technical field of faucets. It solves the problems that the filtering structure in the existing kitchen faucet is unstable in installation and prone to displacement. This double-handle and dual-functional kitchen faucet includes a faucet body in a four-way shape and a water outlet elbow provided at the top end of the faucet body. Adjusting handwheels for adjusting the flow rate of hot water are respectively provided at both side ends of the faucet body, and an adjusting handle for adjusting the flow rate of cold and hot water. A quick-opening valve core controlled by the adjusting handwheel and a high-foot upper-sealing valve core controlled by the adjusting handle are provided inside the faucet body. A first water outlet cavity for hot water to pass through and a second water outlet cavity separated from the first water outlet cavity and for cold and hot water to pass through are provided inside the water outlet elbow. A bubbler is provided at the water outlet of the water outlet elbow. A filtering unit composed of a filter screen skeleton and a filter screen is provided at the top of the second water outlet cavity and inside the bubbler. The problem is that the first water outlet cavity does not have the function of steady flow and constant flow; Summary of the Utility Model

[0003] The purpose of the utility model is to provide a faucet elbow with a flow limiter, which has the characteristics of steady flow and constant flow.

[0004] The utility model is realized as follows: A faucet elbow with a flow limiter, which is characterized in that it includes a water outlet elbow, an inner water pipe, a cylindrical seat, a water distribution joint, a flow limiter shell, an O-shaped silica gel ring, a two-way joint, a fastener and an open retaining ring,

[0005] The cylindrical seat includes a head, an annular clamping groove and a counterbore provided at the lower end;

[0006] The water distribution joint includes a rotating pipe part, a water guiding hole, a flow limiting cavity part and an annular seat plate with an axial water guiding hole. An internal thread cavity is provided at the upper part of the flow limiting cavity part,

[0007] The flow limiter shell is hollow and has a lower opening, and includes a flow limiting core cavity and a top water outlet hole;

[0008] The two-way joint includes an external thread pipe part, an internal hexagonal tool hole and an internal interface pipe, and the diameter of the internal interface pipe is larger than that of the external thread pipe part;

[0009] The O-shaped silica gel ring is arranged in the flow limiting core cavity, the flow limiter shell is arranged in the flow limiting cavity part, the external thread pipe part is screwed with the internal thread cavity and sealed to fix the flow limiter shell; the annular seat plate is fitted and sealed with the counterbore; the fastener is sleeved on the inner water pipe, the inner water pipe is inserted into the internal interface pipe, and the fastener is inserted into the internal interface pipe to fix the inner water pipe; the head is inserted into the water outlet elbow and fixed, the gap between the inner water pipe and the water outlet elbow forms an annular water outlet cavity, and the open retaining ring is fitted with the annular clamping groove.

[0010] Preferably, the current-limiting core cavity of the current-limiting device housing includes a circular cavity portion and a frustum-shaped cavity portion, and the frustum-shaped cavity portion communicates with the top water outlet hole; the O-shaped silica gel ring is arranged in the circular cavity portion.

[0011] Preferably, the connecting end of the current-limiting cavity portion and the water guide hole is frustum-shaped.

[0012] Preferably, a sealing portion is provided on the upper part of the external thread pipe portion, and a sealing ring is provided on the sealing portion;

[0013] A sealing cavity portion is provided on the upper part of the current-limiting cavity portion, and the sealing portion is sealed with the sealing cavity portion.

[0014] Preferably, an annular groove is provided in the inner interface pipe;

[0015] The fastener includes a flange, a cylindrical fastening sleeve, and an annular tongue provided on the cylindrical fastening sleeve;

[0016] The cylindrical fastening sleeve is inserted into the inner interface pipe, the annular tongue is engaged with the annular groove, and the inner interface pipe, the inner water outlet pipe, and the fastener are fixed into one body.

[0017] Preferably, the fastener is made of silica gel.

[0018] Preferably, an annular groove is provided on the cylindrical seat, and a wear-resistant ring is further included, and the wear-resistant ring is engaged with the annular groove.

[0019] A dual-outlet kitchen faucet is characterized in that it includes a faucet elbow with a current-limiting device as described above.

[0020] For a faucet elbow with a current-limiting device of the present invention, the current-limiting device housing and the O-shaped silica gel ring form a steady-flow and constant-flow valve, and when the water flow pressure changes, the water output is kept constant. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a cross-sectional view of the present invention.

[0022] Figure 2 is one of the exploded perspective views of the present invention.

[0023] Figure 3 is another exploded perspective view of the present invention.

[0024] Figure 4 is a third exploded perspective view of the present invention.

[0025] Figure 5 is one of the perspective views of the present invention.

[0026] Figure 6 is another perspective view of the present invention.

[0027] Figure 7 It is a perspective view of the second embodiment of the present utility model. Specific embodiments

[0028] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0029] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "plurality" is two or more.

[0030] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0031] As Figure 1 shown, a faucet elbow 1 with a current limiter includes a water outlet elbow 2, an inner water pipe 3, a cylindrical seat 4, a water distribution joint 5, a current limiter shell 61, an O-shaped silica gel ring 62, a two-way joint 7, a fastener 8 and an open snap ring 9.

[0032] The cylindrical seat 4 includes a head 41, an annular slot (not marked in the figure) and a counterbore 42 provided at the lower end.

[0033] The water distribution joint 5 includes a rotating pipe portion 51, a water guiding hole 52, a current limiting cavity portion 53 and an annular seat plate 54 with an axial water guiding hole 55. The inner wall of the current limiting cavity portion 53 is provided with an internal thread, and the axial water guiding hole 55 is arc-shaped and evenly distributed on the annular seat plate 54.

[0034] The shell flow regulator housing 61 is hollow and has a lower opening, including a current-limiting core cavity 611 and a top water outlet hole 612;

[0035] The two-way joint 7 includes an external threaded pipe portion 71, an internal hexagonal tool hole 72, and an internal interface pipe 73. The diameter of the internal interface pipe 73 is larger than that of the external threaded pipe portion 71;

[0036] The O-shaped silica gel ring 62 is arranged in the current-limiting core cavity 611. The shell flow regulator housing 61 is arranged in the current-limiting cavity portion 53. The external threaded pipe portion 71 is screwed and sealed with the internal thread of the current-limiting cavity portion 53 and fixes the shell flow regulator housing 61; The annular seat plate 54 is fitted and sealed with the counterbore 42; The fastener 8 is sleeved on the internal water outlet pipe 3. The internal water outlet pipe 3 is inserted into the internal interface pipe 73. The fastener 8 is inserted into the internal interface pipe 73 to fix the internal water outlet pipe 3; The head 41 is inserted into and fixed in the water outlet elbow 2. The gap between the internal water outlet pipe 3 and the water outlet elbow 2 forms an annular water outlet cavity. The opening retaining ring 9 is fitted with the annular card slot;

[0037] With such a structure, the O-shaped silica gel ring 62 plays a current-limiting role in the current-limiting core cavity 611. When the water pressure increases, the O-shaped silica gel ring 62 deforms to make the diameter of the top water outlet hole 62 smaller, maintaining the water output under normal water pressure.

[0038] As a further improvement of the present utility model: The current-limiting core cavity 611 of the shell flow regulator housing 61 includes a circular cavity portion 6111 and a frustum-shaped cavity portion 6112. The frustum-shaped cavity portion communicates with the top water outlet hole 612; The O-shaped silica gel ring 62 is arranged in the circular cavity portion 6111. When the water pressure becomes larger, the O-shaped silica gel ring 62 deforms under the water pressure and extends into the frustum-shaped cavity portion 6112 to maintain the water output.

[0039] The connection end of the current-limiting cavity portion 53 and the water guide hole 52 is frustum-shaped. The water guide hole 52 plays a pressurizing role, and the frustum shape plays a role in expanding and relieving pressure.

[0040] As a further improvement of the present utility model: A sealing portion 74 is provided on the upper part of the external threaded pipe portion 71, and a sealing ring is provided on the sealing portion 74;

[0041] A sealing cavity portion 531 is provided on the upper part of the current-limiting cavity portion 53. The sealing portion 74 is sealed with the sealing cavity portion 531.

[0042] As a further improvement of the present utility model: An annular groove 731 is provided in the internal interface pipe 73;

[0043] The fastener 8 includes a flange 81, a cylindrical fastening sleeve 82, and an annular tongue 83 provided on the cylindrical fastening sleeve;

[0044] The cylindrical fastening sleeve 82 is inserted into the inner interface pipe 73, the annular tongue 83 is engaged with the annular groove 731, and the inner interface pipe 73, the inner water outlet pipe 3 and the fastener 8 are fixed into one body.

[0045] The fastener 8 is made of silica gel.

[0046] As a further improvement of the present utility model: an annular groove is provided on the cylindrical seat 4, and further includes a wear-resistant ring 10, and the wear-resistant ring 10 is engaged with the annular groove.

[0047] As Figure 7 described above, a dual-outlet kitchen faucet includes the faucet elbow with a flow restrictor as described above

[0048] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A faucet elbow with a current limiter, characterized in that: It includes a water outlet elbow pipe, an inner water outlet pipe, a cylindrical seat, a water distribution joint, a restrictor housing, an O-shaped silica gel ring, a two-way joint, a fastener, and an open snap ring. The cylindrical seat includes a head, an annular groove, and a counterbore provided at the lower end. The water distribution joint includes a rotating pipe portion, a water guiding hole, a flow limiting cavity portion, and an annular seat plate with an axial water guiding hole. An internal thread cavity is provided on the inner wall of the flow limiting cavity portion. The restrictor housing is hollow and has a lower opening, and includes a restrictor core cavity and a top water outlet hole. The two-way joint includes an external thread pipe portion, an internal hexagonal tool hole, and an internal interface pipe. The diameter of the internal interface pipe is larger than that of the external thread pipe portion. The O-shaped silica gel ring is provided in the restrictor core cavity. The restrictor housing is provided in the flow limiting cavity portion. The external thread pipe portion is screwed and sealed with the internal thread cavity and fixes the restrictor housing. The annular seat plate is fitted and sealed with the counterbore. The fastener is sleeved on the inner water outlet pipe. The inner water outlet pipe is inserted into the internal interface pipe. The fastener is inserted into the internal interface pipe to fix the inner water outlet pipe. The head is inserted into and fixed in the water outlet elbow pipe. The gap between the inner water outlet pipe and the water outlet elbow pipe forms an annular water outlet cavity. The open snap ring is fitted with the annular groove.

2. The faucet elbow with a current limiter according to claim 1, characterized in that: The restrictor core cavity of the restrictor housing includes a circular cavity portion and a frustum-shaped cavity portion. The frustum-shaped cavity portion communicates with the top water outlet hole. The O-shaped silica gel ring is provided in the circular cavity portion.

3. The faucet elbow with a current limiter according to claim 1, characterized in that: The connection end of the flow limiting cavity portion and the water guiding hole is in the shape of an inverted frustum.

4. The faucet elbow with a current limiter according to claim 1, characterized in that: A sealing portion is provided on the upper part of the external thread pipe portion, and a sealing ring is provided on the sealing portion. A sealing cavity portion is provided on the upper part of the flow limiting cavity portion, and the sealing portion is sealed with the sealing cavity portion.

5. The faucet elbow with a current limiter according to claim 1, characterized in that: An annular groove is provided in the internal interface pipe. The fastener includes a flange, a cylindrical fastening sleeve, and an annular tongue provided on the cylindrical fastening sleeve. The cylindrical fastening sleeve is inserted into the internal interface pipe. The annular tongue is fitted with the annular groove. The internal interface pipe, the inner water outlet pipe, and the fastener are fixed into one body.

6. The faucet elbow with a current limiter according to claim 1, characterized in that: The fastener is made of silica gel.

7. The faucet elbow with a current limiter according to claim 1, characterized in that: An annular groove is provided on the cylindrical seat, and a wear-resistant ring is further included. The wear-resistant ring is fitted with the annular groove.

8. A dual-outlet kitchen faucet, characterized in that: It includes a faucet elbow pipe with a restrictor as described in any one of claims 1-7.

Images