Faucet for airplane washroom

Abstract

The utility model discloses a faucet for an airplane lavatory, which comprises a shell, a water inlet end, a control end and a water outlet end are arranged on the shell, the water inlet end, the control end and the water outlet end are communicated with one another, the control end is provided with a control switch, and the control switch is used for cutting off and connecting the water inlet end and the water outlet end. The control switch comprises a core seat, a rotating head, a valve core, a valve needle, a spring and a faucet neck, one end of the core seat is inserted into the shell from the control end and fixedly connected with the shell, the rotating head is sleeved at the other end of the core seat, one end of the valve core penetrates through the rotating head and then is inserted into the core seat, and one end of the valve needle is inserted into the valve core. By means of the separated temperature adjusting design, the situation that a user is scalded due to vibration of the airplane or mistaken touch of the user is avoided; the whole structure is simple, the daily maintenance process is simplified, and the maintenance difficulty and the time cost are reduced; positioning is conducted through screws, threaded connection is matched, the overall strength is guaranteed, and the influence of airplane vibration on the service life of the faucet is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of aircraft accessories, especially relates to a faucet for aircraft lavatory. BACKGROUND

[0002] The faucet is a popular name of water valve, is used to control the size switch of water flow, has the function of water saving. The faucet on the aircraft usually refers to the device used for controlling water flow in the washroom or kitchen area in the aircraft cabin. Because the aircraft will be tossed when encountering air flow during flight, the traditional valve core adjusting hot water and cold water flow is directly connected with the handle, if the aircraft is tossed at this time, the handle will drive the valve core to move under the action of inertial force, so that the mixing ratio of cold and hot water changes, resulting in the change of water temperature, if the changed hot water is more, it will cause the user to be scalded.

[0003] Therefore, we need to design a faucet for aircraft lavatory to solve these problems. INVENTION CONTENTS

[0004] The utility model wants to solve the problem to provide a faucet for aircraft lavatory.

[0005] To solve the above technical problems, the utility model adopts the technical scheme that:

[0006] A faucet for aircraft lavatory, including the casing, the casing is provided with water inlet end, control end and water outlet end, the water inlet end, the control end and the water outlet end are communicated with each other, the control end is provided with control switch, the control switch is used for cutting off and connecting the connection of the water inlet end and the water outlet end.

[0007] Preferably, the control switch includes a core seat, a rotating head, a valve core, a valve needle, a spring and a faucet neck, one end of the core seat is inserted into the casing from the control end, and is fixedly connected with the casing, the rotating head is sleeved on the other end of the core seat, one end of the valve core is inserted into the core seat after passing through the rotating head, one end of the valve needle is inserted into the valve core, and the other end is connected with the faucet neck, the spring is sleeved on the valve needle between the faucet neck and the valve core.

[0008] Preferably, a locking ring is further sleeved and arranged on the core seat, the locking ring is connected with the casing through thread cooperation, and the core seat is fixedly arranged on the casing through the locking ring.

[0009] Preferably, connecting holes are further arranged on the core seat and the rotating head, and the rotating head and the core seat are connected with each other by inserting flat head screws into the connecting holes.

[0010] Preferably, the valve needle located in the valve core is provided with external threads, the valve core is provided with internal threads, and the valve core is connected with the valve needle through the cooperation of the internal threads and the external threads.

[0011] Preferably, the faucet neck is provided with an axial hole penetrating through the faucet neck, the axial hole has a non-circular structure in cross section, the other end of the valve needle has the same shape as the axial hole, and an axial stopper is arranged on the end of the valve needle penetrating out of the axial hole.

[0012] Preferably, the faucet neck is provided with an annular groove on the side wall of the faucet neck, a cap is buckled on the faucet neck, a lock pin is penetratingly arranged on the cap, the lock pin is connected with the cap through thread cooperation, and the end of the lock pin on the inner side of the cap is located in the annular groove.

[0013] Preferably, the inner cavity side wall of the cap matches the shape of the outer wall of the rotating head.

[0014] Preferably, the water outlet end is provided with a one-way valve and a shower head, the one-way valve is fixedly arranged in the shell of the water outlet end through a check ring, one end of the shower head is inserted into the shell from the water outlet end, and the shower head is connected with the shell through thread cooperation, and the output end of the one-way valve is opposite to the shower head.

[0015] Preferably, a fixing hole is penetratingly arranged on the shell close to the water inlet end, and a pointed screw is installed in the fixing hole through thread cooperation.

[0016] The utility model has the advantages and positive effects that:

[0017] The utility model discloses a temperature adjusting design, which can be separated after completing water temperature adjustment, avoids water temperature change caused by external factors, prevents scalding of users, has a simple overall structure, simplifies daily maintenance process, reduces maintenance difficulty and time cost, is convenient for cleaning and maintenance, positions through a screw, cooperates thread connection, guarantees the strength of the whole, and reduces the influence of airplane vibration on the service life of the faucet. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying the creativity labor intensity.

[0019] Fig. 1 It is the explosion map of the utility model;

[0020] Fig. 2Is the installation state schematic diagram of the utility model.

[0021] The reference signs are explained as follows:

[0022] 1, shell; 2, pointed screw; 3, spray head; 4, check valve; 5, check ring; 6, core seat; 7, locking ring; 8, rotating head; 9, flat head screw; 10, valve core; 11, valve needle; 12, spring; 13, faucet neck; 14, shaft block; 15, locking screw; 16, cap; 17, connecting hole; 18, fixing hole; 19, water inlet end; 20, control end; 21, water outlet end; 22, annular groove; 23, shaft hole. DETAILED DESCRIPTION

[0023] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0024] In addition, in the embodiments and the scope of the application, unless the article is specifically limited in the text, "a", "an", "said" and "the" can also include plural forms. If the terms "first", "second" and the like are involved in the embodiments of the present application, they are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0025] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] It should be further understood that the term "comprising" as used in this specification means the presence of the stated features, integers, steps, operations, elements, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. It should be understood that when an element is "connected" or "coupled" to another element, it can be directly connected or coupled to the other element, or there may be intermediate elements. Furthermore, "connected" or "coupled" as used herein can include wireless connection or wireless coupling. The term "and / or" as used herein includes all or any unit and all combinations of one or more associated listed items.

[0027] It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. It should also be understood that terms such as those defined in general dictionaries should be understood to have the same meaning as in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless specifically defined as herein.

[0028] Furthermore, the technical solutions of the various embodiments can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0029] The present invention will be further described below with reference to the accompanying drawings:

[0030] Example 1: As Figs. 1-2 As shown, an aircraft lavatory faucet includes a housing 1, on which a water inlet 19, a control end 20, and a water outlet 21 are provided. The water inlet 19, the control end 20, and the water outlet 21 are interconnected. The control end 20 is provided with a control switch, which is used to disconnect and connect the water inlet 19 and the water outlet 21.

[0031] Specifically, the control switch includes a core seat 6, a rotating head 8, a valve core 10, a valve needle 11, a spring 12, and a faucet neck 13. One end of the core seat 6 is inserted into the housing 1 from the control end 20 and is fixedly connected to the housing 1. The rotating head 8 is fitted onto the other end of the core seat 6. One end of the valve core 10 passes through the rotating head 8 and is inserted into the core seat 6. One end of the valve needle 11 is inserted into the valve core 10, and the other end is connected to the faucet neck 13. The spring 12 is fitted onto the valve needle 11 between the faucet neck 13 and the valve core 10.

[0032] Specifically, a locking ring 7 is also fitted on the core seat 6. The locking ring 7 is connected to the housing 1 by a threaded connection, and the core seat 6 is fixedly mounted on the housing 1 by the locking ring 7.

[0033] Specifically, connecting holes 17 are arranged on the valve seat 6 and the rotating head 8, and the rotating head 8 and the valve seat 6 are connected by inserting flat head screws 9 into the connecting holes 17.

[0034] Specifically, the valve needle 11 arranged in the valve core 10 is provided with external threads, and the valve core 10 is provided with internal threads, and the valve core 10 and the valve needle 11 are connected by the cooperation of the internal threads and the external threads.

[0035] Specifically, the faucet neck 13 is provided with an axial hole 23, the cross section of the axial hole 23 is a non-circular structure, the other end of the valve needle 11 has the same cross section shape as the axial hole 23, and an axial stop 14 is arranged on the end of the valve needle 11 after the end of the valve needle 11 is inserted into the axial hole 23.

[0036] Specifically, the faucet neck 13 is provided with an annular groove 22 on the side wall, a cap 16 is buckled on the faucet neck 13, a lock screw 15 is arranged through the cap 16, the lock screw 15 and the cap 16 are connected by thread cooperation, and the end of the lock screw 15 on the inner side of the cap 16 is located in the annular groove 22.

[0037] Specifically, the inner cavity side wall of the cap 16 matches the shape of the outer wall of the rotating head 8.

[0038] Specifically, the water outlet end 21 is provided with a one-way valve 4 and a spray head 3, the one-way valve 4 is fixedly arranged in the shell 1 of the water outlet end 21 through a check ring 5, one end of the spray head 3 is inserted into the shell 1 from the water outlet end 21, and the spray head 3 and the shell 1 are connected by thread cooperation, and the output end of the one-way valve 4 is opposite to the spray head 3.

[0039] The core seat 6 is inserted into the shell 1 from the control end 20, the connecting hole 17 on the core seat 6 is towards the water inlet end 19 on the shell 1, then the locking ring 7 is screwed into the shell 1 through the thread on the shell 1 to lock the core seat 6 on the shell 1, then the rotating head 8 is sleeved on the core seat 6, the connecting hole 17 on the rotating head 8 is aligned with the connecting hole 17 on the core seat 6, then the flat head screw 9 is screwed into the connecting hole 17 on the core seat 6 from the connecting hole 17 on the rotating head 8, the connection between the rotating head 8 and the core seat 6 is realized; then the valve core 10 is screwed into the core seat 6, then the valve needle 11 is screwed into the valve core 10, when the valve needle 11 cannot be screwed, it is screwed in the opposite direction for two turns, then the spring 12 is sleeved on the valve needle 11, the end of the valve needle 11 is pulled out of the shaft hole 23 on the faucet neck 13, the shaft block 14 is installed on the end of the valve needle 11, the shaft block 14 blocks the faucet neck 13 from falling off the valve needle 11, then the cap 16 is covered on the faucet neck 13, the lock pin 15 on the cap 16 is turned to insert into the annular groove 22 on the faucet neck 13, the connection between the cap 16 and the faucet neck 13 is completed, then the one-way valve 4 is inserted into the shell 1 from the water outlet end 21, then it is fixed through the blocking ring 5, finally the spray head 3 is screwed to the faucet water outlet end 21, then the external water pipe is aligned with the water inlet end 19 and screwed in, because the fixed hole 18 is provided on the shell 1 near the water inlet end 19, and the pointed screw 2 is screwed into the fixed hole 18, when the external water pipe is screwed into the water inlet end 19, the pointed screw 2 is turned, the fixed hole 18 and the pointed screw 2 are screwed together, the pointed screw 2 is inserted into the side wall of the water pipe, the water pipe and the shell 1 are locked, the installation of the faucet is completed.

[0040] When in use, the cap 16 is pressed downward, the cap 16 is pushed downward by the lock pin 15 under pressure, the faucet neck 13 is pushed downward when the cap 16 is moved downward, the valve needle 11 is moved, the valve core 10 connects the water inlet end 19 and the water outlet end 21, the water in the water pipe flows out from the spray head 3 through the one-way valve 4.

[0041] If the water temperature needs to be adjusted, the cap is turned, because the cap is engaged with the rotating head 8 after moving downward, the rotating head 8 is turned when the cap is turned, the input flow of cold water and hot water is adjusted after the rotating head 8 is turned, the adjustment of the water temperature is realized.

[0042] After the adjustment is completed, the cap is released, the cap is pushed upward by the spring 12 through the faucet neck 13 after losing pressure, the cap is separated from the rotating head 8 first after moving upward, then the valve needle 11 is slowly pushed by the spring 12 to drive the valve core 10 to close, finally the water outlet is closed, the water stops.

[0043] The above has carried out the detailed description to one embodiment of the utility model, but the content described is only the preferred embodiment of the utility model, cannot be considered for limiting the implementation scope of the utility model. All equal changes and improvements etc. that are made in the utility model application scope should still belong to the patent coverage scope of the utility model.

Claims

1. An aircraft lavatory faucet, characterized by: The utility model provides a faucet, including shell (1), be provided with water inlet end (19), control end (20) and water outlet end (21) on shell (1), water inlet end (19), control end (20) and water outlet end (21) intercommunication, control end (20) is provided with control switch, control switch is used to cut off and connect water inlet end (19) and water outlet end (21); The control switch includes a core seat (6), a rotating head (8), a valve core (10), a valve needle (11), a spring (12) and a faucet neck (13), one end of the core seat (6) is inserted into the shell (1) from the control end (20), and is fixedly connected with the shell (1), the rotating head (8) is sleeved on the other end of the core seat (6), one end of the valve core (10) is inserted into the core seat (6) from the rotating head (8), one end of the valve needle (11) is inserted into the valve core (10), and the other end is connected with the faucet neck (13), and the spring (12) is sleeved on the valve needle (11) between the faucet neck (13) and the valve core (10).

2. An aircraft lavatory faucet according to claim 1, wherein: A locking ring (7) is also sleeved on the core seat (6) and is connected with the shell (1) by thread cooperation, and the core seat (6) is fixedly arranged on the shell (1) by the locking ring (7).

3. An aircraft lavatory faucet according to claim 1, wherein: A connecting hole (17) is also arranged on the core seat (6) and the rotating head (8), and the rotating head (8) and the core seat (6) are connected by inserting a flat head screw (9) into the connecting hole (17).

4. An aircraft lavatory faucet according to claim 1, wherein: The valve needle (11) in the valve core (10) is provided with external threads, and the valve core (10) is provided with internal threads, and the valve core (10) and the valve needle (11) are connected by the internal threads and the external threads.

5. An aircraft lavatory faucet according to claim 1, wherein: An axial hole (23) is provided through the faucet neck (13), the cross section of the axial hole (23) is a non-circular structure, the other end of the valve needle (11) has the same cross section shape as the axial hole (23), and an axial stop (14) is arranged on the end of the valve needle (11) when the end of the valve needle (11) passes through the axial hole (23).

6. An aircraft lavatory faucet according to claim 1, wherein: An annular groove (22) is arranged on the side wall of the faucet neck (13), a cap (16) is buckled on the faucet neck (13), a lock pin (15) is provided through the cap (16), the lock pin (15) and the cap (16) are connected by thread cooperation, and the end of the lock pin (15) inside the cap (16) is located in the annular groove (22).

7. An aircraft lavatory faucet according to claim 6, wherein: The inner cavity side wall of the cap (16) matches the shape of the outer wall of the rotating head (8).

8. An aircraft lavatory faucet according to claim 1, wherein: The water outlet end (21) is provided with a one-way valve (4) and a spray head (3), the one-way valve (4) is fixedly arranged in the shell (1) of the water outlet end (21) by a check ring (5), one end of the spray head (3) is inserted into the shell (1) from the water outlet end (21), and the shell (1) is connected by thread cooperation, and the output end of the one-way valve (4) is opposite to the spray head (3).

9. An aircraft lavatory faucet according to claim 1, wherein: A fixed hole (18) is provided through the shell (1) near the water inlet end (19), and a pointed screw (2) is installed in the fixed hole (18) through screwing.

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