CN212657276U

CN212657276U - Water tap

Info

Publication number: CN212657276U
Application number: CN202021342505.3U
Authority: CN
Inventors: 钱科峰
Original assignee: Ningbo Zhenhai Ka Shi Gao Plumbing Sanitary Ware Co ltd
Current assignee: Ningbo Zhenhai Ka Shi Gao Plumbing Sanitary Ware Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-05
Anticipated expiration: 2030-07-09

Abstract

The utility model relates to a water tap, which comprises a pipe body; the valve core assembly is arranged in the pipe body and comprises a valve rod, a movable valve plate and a check valve plate, wherein the movable valve plate and the check valve plate are sequentially attached from top to bottom; the spray nozzle is arranged at the front part of the spray nozzle, the spray nozzle is rotationally connected with the top of the pipe body and is communicated with the top of the pipe body, and the upper end of the valve rod extends into the spray nozzle and is fixedly connected with the spray nozzle through a connecting piece, so that the opening and closing of the faucet and the adjustment of water quantity can be realized by one hand.

Description

Water tap

Technical Field

The utility model relates to a water tap.

Background

The water tap is a necessary bathroom utensil for modern families, can be used for bathing or cleaning fruits, vegetables, the ground and the like, and can also be used as a water spray gun. As shown in "a water spraying gun" disclosed in the chinese utility model patent with the patent number CN201721360618.4 (publication number CN207786870U), the water spraying gun comprises a nozzle, a spraying body and a handle, wherein the handle and the spraying body are integrally formed, the nozzle is detachably connected to the front end of the spraying body, a water flow channel is arranged inside the spraying body, an opening and closing device is arranged on the spraying body, the nozzle comprises a connecting body, a nozzle main body rotatably mounted on the connecting body, and a flow guide body arranged between the connecting body and the nozzle main body, a plurality of water outlets with different types are arranged on the nozzle main body, the nozzle main body comprises an inner water spraying area and an outer water spraying area, and a plurality of water spraying holes are respectively distributed in the inner water spraying area and the outer water spraying area; the handle is internally provided with a water inlet channel, and the water inlet channel is communicated with the water flow channel. The opening and closing device comprises an opening and closing piece, the front end of the opening and closing piece is arranged at the water inlet in a matched mode, the opening and closing of the water inlet are achieved through the back and forth movement of the opening and closing piece, a sealing gasket is arranged at the front end of the opening and closing piece, a return spring is arranged on the periphery of the opening and closing piece and located inside the spraying body, and the rear end of the opening and closing piece extends out of the spraying body and is provided with the driving device.

However, after the water spraying gun is used for a long time, the sealing gasket at the front end of the opening and closing piece is easily abraded, water leakage of the water spraying gun is caused, and the service life is short; in addition, the opening and closing piece of the water spraying gun can only open or close the water flow, and the water flow cannot be adjusted.

In addition, people prefer to use the pull-out faucet in home decoration at present, and the spray head of the faucet can be pulled out from the bent pipe of the faucet and extends to a place where water needs to be used, so that the use is convenient. Most of the existing pull-out faucets are as shown in 'a drawable faucet' disclosed in the chinese patent application of CN201710296902.8 (publication No. CN107084268A), and include a faucet body and a faucet switch handle, the top end of the faucet body is movably connected with the faucet switch handle, one side of the faucet body is fixedly connected with a support column, the center of the support column is provided with a center hole, a metal telescopic pipe is arranged in the center hole, one end of the metal telescopic pipe is fixedly connected with a connector, one end of the connector is fixedly connected with a connecting base, and the lower end of the connecting base is fixedly connected with a water outlet.

The pull-out faucet is usually used by directly opening a faucet switch handle, so that water is sensed to be larger and then is adjusted, water resource waste is caused, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide a tap of regulation water flow that can be convenient.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a faucet comprises

A pipe body;

it is characterized by also comprising

The valve core assembly is arranged in the pipe body and comprises a valve rod, a movable valve plate and a check valve plate, wherein the movable valve plate and the check valve plate are sequentially attached from top to bottom;

the spray nozzle is arranged at the front part of the spray nozzle, the spray nozzle is rotationally connected with the top of the pipe body and is communicated with the top of the pipe body, and the upper end of the valve rod extends into the spray nozzle and is fixedly connected with the spray nozzle through a connecting piece.

In order to facilitate the connection of the valve rod and the spray head, the spray head and the valve rod can synchronously rotate, the inner wall of the spray head is provided with an insertion hole, the upper end of the valve rod is inserted into the insertion hole, and the connecting piece extends into the insertion hole from the front side wall of the insertion hole and is fixedly connected with the valve rod.

The valve rod is simple in structure, the connecting piece is a screw, and a connecting hole for the screw to partially penetrate and position is formed in the peripheral wall of the valve rod.

The structure is simple, the spray head and the pipe body are matched in a plug-in mounting mode, so that the spray head and the pipe body are simple to assemble, and relative rotation between the spray head and the pipe body can be guaranteed.

If the nozzle is inserted into the pipe body, the nozzle may interfere with the valve core assembly, so that the top of the pipe body is inserted into the nozzle, and a sealing ring is arranged between the top of the pipe body and the nozzle to prevent water leakage between the pipe body and the nozzle.

Although the connecting piece can be used for positioning the valve rod in the axial direction, in order to further prevent the valve rod from displacing in the axial direction, preferably, a valve cover located above the movable valve plate is arranged in the pipe body, a water through hole is formed in the valve cover, the upper end of the valve rod penetrates through the valve cover, the valve rod can rotate relative to the valve cover, a boss is formed on the outer peripheral wall of the valve rod, and a blocking shoulder located above the boss and capable of abutting against the boss is arranged on the valve cover and can limit the valve rod to move upwards.

In order to facilitate the disassembly and assembly of the valve cover, the valve cover is in threaded connection with the pipe body, and the part of the valve cover is exposed outside the pipe body.

Preferably, a sealing ring attached to the lower end face of the check valve plate is arranged in the pipe body, a supporting ring used for supporting the sealing ring is arranged on the inner side of the sealing ring, and the inner ring face of the sealing ring is attached to the outer ring face of the supporting ring. The effect of support ring lies in preventing that the sealing ring from dwindling and warping, not only guarantees the leakproofness of sealing ring, and has improved tap's the use travelling comfort of feeling.

In order to facilitate the positioning of the sealing ring, the inner wall of the pipe body is formed with a flange on which the sealing ring is placed.

Preferably, at least one circle of convex ribs are formed on the bottom surface of the sealing ring along the circumferential direction, and the bottoms of the convex ribs are in contact with the flange; and when the number of the convex ribs is more than one circle, the adjacent convex ribs have intervals. One convex rib is additionally arranged, which is equivalent to one additional sealing, thereby improving the sealing effect and preventing water leakage.

Compared with the prior art, the utility model has the advantages that: 1. the utility model adopts the matching of the movable valve plate and the stop valve plate to control the water flow on and off and the water flow, can carry out stepless regulation on the water flow, can be used for sealing and opening and closing for 50 ten thousand times, and has long service life relative to a sealing washer; 2. the utility model discloses a link to each other the upper end of valve rod with the shower nozzle, when the shower nozzle rotates like this, can drive the valve rod and rotate in step, move the valve block and also rotate along with it in the valve rod pivoted process to at least partly open or shield the mouth of a river of crossing on the valve block, only need rotate the shower nozzle promptly, can realize opening and close of tap and the regulation of the water yield, the one-hand can operate, easy operation is convenient, so can liberate the other hand and carry out other operations; 3. the water tap of the utility model can be used as the pull head to be applied to the pull water tap, although the main switch of the pull water tap is opened to the maximum, the water yield can be adjusted by adjusting the water flow of the pull head all the time according to the use habit and the water use condition of the water tap, and the main switch of the pull water tap is not required to be adjusted any more, so the use is convenient and the water is saved; in addition, the water flow needs to be adjusted or the water is temporarily shut off in the water using process, the operation can be carried out by one hand, the pull head does not need to be put down or the other hand is not needed to operate the water faucet, and the use is convenient.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a schematic structural view of the tube of FIG. 1;

fig. 5 is a structural schematic view of the valve cover in fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 5, the faucet of the preferred embodiment includes a tube 1, a nozzle 2 and a valve element assembly, the valve element assembly is disposed in the tube 1, the nozzle 2 is inserted into and matched with the tube 1, and the nozzle 2 and the tube 1 can rotate relatively, in this embodiment, the top of the tube 1 is inserted into the nozzle 2, and the nozzle 2 and the tube 1 can rotate relatively, the nozzle 2 and the tube 1 are in fluid communication, and the front of the nozzle 2 is provided with a nozzle hole 20 for spraying water, so that the water entering the tube 1 enters the nozzle 2 through the valve element assembly, and is finally sprayed out from the nozzle hole 20.

A sealing ring 22 is arranged between the spray head 2 and the pipe body 1 to prevent water leakage between the pipe body 1 and the spray head 2; the nozzle 2 can be inserted into the pipe body 1, but because the valve core assembly is arranged in the pipe body 1, in order to avoid the interference between the nozzle 2 and the valve core assembly, the top of the pipe body 1 is preferably inserted into the nozzle 2.

The valve core component comprises a valve rod 3, a valve cover 7, a limiting ring 9, a movable valve plate 4, a stop valve plate 5 and a sealing ring 8, the movable valve plate 4, the stop valve plate 5 and the sealing ring 8 are sequentially attached from top to bottom, and a flange 11 for placing the sealing ring 8 is formed on the inner wall of the pipe body 1.

The valve rod 3 extends along the axial direction of the pipe body 1, the lower end of the valve rod 3 extends downwards to form an insertion block 32, and the insertion block 32 and the insertion groove 41 correspondingly arranged on the movable valve plate 4 form insertion connection fixation, so that the movable valve plate 4 can rotate relative to the check valve plate 5 under the driving of the valve rod 3. The check valve plate 5 is provided with a water passing hole 51 penetrating through the wall thickness of the check valve plate, in the embodiment, the movable valve plate 4 comprises two check blocks 42, the check blocks 42 are matched with the water passing hole 51 on the check valve plate 5, and the water passing hole 51 is closed or opened through the rotation of the movable valve plate 4, so that the on-off of water flow is realized, and the linear adjustment of the water flow is carried out.

The inner wall of the spray head 2 is provided with an insertion hole 21, the upper end of the valve rod 3 is inserted into the insertion hole 21, a connecting piece 6 extends into the insertion hole 21 from the front side wall of the insertion hole 21 and is fixedly connected with the valve rod 3, a water passing area 23 is arranged between the front side wall of the insertion hole 21 and the top of the pipe body 1, and the water energy in the pipe body 1 can flow into the spray head 2. In this embodiment, the connecting member 6 is a screw, and the circumferential wall of the valve rod 3 is provided with a connecting hole 30 for the screw to partially penetrate and locate, so that the nozzle 2 can drive the valve rod 3 to rotate when rotating, thereby realizing the single-hand opening and closing of the faucet and the adjustment of the water flow.

The valve cover 7 is a compression nut which is in threaded connection with the top of the pipe body 1 and partially exposes out of the pipe body 1, so that the valve cover 7 can be conveniently disassembled and assembled from the pipe body 1. The upper end of valve rod 3 passes valve gap 7 and stretches into during shower nozzle 2, and valve rod 3 can rotate relative valve gap 7, is equipped with water hole 70 on the valve gap 7, and the shaping has boss 31 on the periphery wall of valve rod 3, has the fender shoulder 71 that is located the boss 31 top on the valve gap 7, and the cover is equipped with on the valve rod 3 can be by the centre gripping at boss 31 and keep off the lubricated gasket 72 between the shoulder 71, and the effect of lubricated gasket 72 lies in making valve rod 3 easily rotate, of course, also can not set up lubricated gasket 72, directly makes and keeps off shoulder 71 and boss 31 and offset. In addition, the valve rod 3 is further sleeved with a sealing element 73 which enables the valve rod 3 and the valve cover 7 to be tightly matched, so that water is prevented from leaking out of a sleeving gap between the valve rod 3 and the valve cover 7.

Be equipped with in the body 1 and enclose the spacing ring 9 of establishing in the inserted block 32 outside, be equipped with spacing portion 91 on the 9 internal perisporium of spacing ring, spacing portion 91 is protruding towards spacing ring 9 central direction, and spacing portion 91 can carry out clockwise and anticlockwise rotation's angle in spacing ring 9 by spacing valve rod 3 to the maximum discharge of effective control. The inner wall of the pipe body 1 is provided with a positioning groove 12 extending along the axial direction of the pipe body, a positioning key 92 extending downwards is formed at the periphery of the limiting ring 9, the positioning key 92 and the positioning groove 12 form a key groove fit to prevent the limiting ring 9 from rotating circumferentially in the pipe body 1, the length of the positioning key 92 is larger than the thickness of the limiting ring 9, and therefore the probability of inclination of the limiting ring 9 is reduced.

In addition, a positioning member 52 (the positioning member 52 is in a shape of a key) capable of forming a key-groove fit with the positioning groove 12 is also formed on the outer wall of the check valve plate 5 to prevent the check valve plate 5 from rotating relative to the pipe body 1.

The sealing ring 8 is fixedly arranged relative to the pipe body 1, a supporting ring 81 for supporting the sealing ring 8 is arranged on the inner side of the sealing ring 8, and the inner annular surface of the sealing ring 8 is attached to the outer annular surface of the supporting ring 81; and the bottom surface of the sealing ring 8 is provided with three circles of convex ribs 82 along the circumferential forming, the bottoms of the convex ribs 82 are contacted with the flange 11 of the pipe body 1, and the distance is reserved between the adjacent convex ribs 82, so that after the faucet is assembled, the convex ribs 82 are stressed to deform, the convex ribs 82 cannot interfere with each other, one convex rib 82 is additionally arranged, one sealing is increased, the sealing effect is improved, and water leakage is prevented.

An annular groove 13 is formed in the inner wall of the pipe body 1 along the circumferential direction, the annular groove 13 is located at the tail end of the positioning groove 12, and after the positioning groove 12 is machined by a cutter, the cutter can avoid the annular groove 13 so as to avoid damaging the cutter; and the sweeps that processing constant head tank 12 produced also can hold in the annular groove 13 temporarily, avoid the sweeps to pile up between cutter and the interior diapire of body 1, influence the leakproofness of body 1, annular groove 13 still has the effect of chip breaking in addition.

In the embodiment, the movable valve plate 4 and the check valve plate 5 are made of ceramic materials, the surfaces of the ceramic plates are ground to be fine and coated with special lubricating grease, the opening and closing are smooth, and the hand feeling of the opening and closing of the spray gun is better; in addition, the mode of opening and close rivers and regulation discharge of this embodiment also can liberate the thumb.

The faucet of the embodiment can also be used as a toilet mate, a bidet, a handheld spray gun and the like, and can also be used as a pull faucet, and when in use, the faucet of the embodiment can be opened and closed by one hand and can adjust the water flow, so that the operation is convenient and fast; in addition, the first and second substrates are,

in the description of the claims and specification, it is to be understood that the terms "left and right," "front and back," "height," "length," "width," "thickness," "upper," "lower," "front," "back," "left," "right," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the positional or orientational relationships illustrated in the drawings and are merely for convenience in describing the simplified description of the invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be positioned in a particular orientation for purposes of illustration and not limitation since the disclosed embodiments of the invention may be configured in different orientations.

Claims

1. A faucet comprises

A pipe body (1);

it is characterized by also comprising

The valve core assembly is arranged in the pipe body (1) and comprises a valve rod (3), a movable valve plate (4) and a check valve plate (5) which are sequentially arranged from top to bottom and are attached to each other, a water passing opening (51) penetrating through the wall thickness of the check valve plate is formed in the check valve plate (5), the valve rod (3) axially extends along the pipe body (1), the lower end of the valve rod (3) is connected with the movable valve plate (4) and drives the movable valve plate (4) to rotate so that the water passing opening (51) can be at least partially shielded or opened by the movable valve plate (4);

the spray nozzle (2) is provided with a spray hole (20) at the front part, the spray nozzle (2) is rotationally connected with the top of the pipe body (1) and is communicated with the top of the pipe body, and the upper end of the valve rod (3) extends into the spray nozzle (2) and is fixedly connected with the spray nozzle (2) through a connecting piece (6).

2. The faucet of claim 1, wherein: the inner wall of the spray head (2) is provided with an insertion hole (21), the upper end of the valve rod (3) is inserted into the insertion hole (21), and the connecting piece (6) extends into the insertion hole (21) from the front side wall of the insertion hole (21) and is fixedly connected with the valve rod (3).

3. The faucet of claim 2, wherein: the connecting piece (6) is a screw, and a connecting hole (30) for the screw to partially penetrate and position is formed in the peripheral wall of the valve rod (3).

4. The faucet of claim 1, wherein: the spray head (2) is matched with the pipe body in a plug-in mounting manner.

5. The faucet of claim 4, wherein: the top of the pipe body (1) is inserted into the spray head (2), and a sealing ring (22) is arranged between the top of the pipe body and the spray head.

6. The faucet of any one of claims 1 to 5, wherein: be equipped with valve gap (7) that is located movable valve piece (4) top in body (1), be equipped with water hole (70) on valve gap (7), valve gap (7) are passed to the upper end of valve rod (3), and valve rod (3) can rotate relative valve gap (7), the shaping has boss (31) on the periphery wall of valve rod (3), have on valve gap (7) and be located boss (31) top and can keep off shoulder (71) with that boss (31) offset.

7. The faucet of claim 6, wherein: the valve cover (7) is in threaded connection with the pipe body (1), and the valve cover (7) is partially exposed out of the pipe body (1).

8. The faucet of any one of claims 1 to 5, wherein: the sealing device is characterized in that a sealing ring (8) attached to the lower end face of the check valve plate (5) is arranged in the pipe body (1), a supporting ring (81) used for supporting the sealing ring (8) is arranged on the inner side of the sealing ring (8), and the inner ring face of the sealing ring (8) is attached to the outer ring face of the supporting ring (81).

9. The faucet of claim 8, wherein: and a flange (11) for placing the sealing ring (8) is formed on the inner wall of the pipe body (1).

10. The faucet of claim 9, wherein: at least one circle of convex ribs (82) are formed on the bottom surface of the sealing ring (8) along the circumferential direction, and the bottoms of the convex ribs (82) are in contact with the flange (11); and when the number of the convex ribs (82) is more than one circle, a space is arranged between the adjacent convex ribs (82).