CN217898832U - Push type valve core - Google Patents

Abstract

The utility model relates to a press type valve core, which comprises a shell, wherein a pressure cavity and a water outlet cavity which are communicated with each other are arranged inside the shell; the piston piece is arranged in the pressure cavity, at least one part of the piston piece is driven by the pressing assembly to move the end part of the piston piece to the water outlet cavity, wherein the periphery of the piston piece is provided with a ring groove, and the ring groove is respectively communicated with the pressure cavity and the water outlet cavity when the end part of the piston piece moves to the water outlet cavity; wherein, the pressure cavity is communicated with the water inlet, and the water outlet cavity is communicated with the water outlet. In this application, simple structure is stable, and when the piston spare was located the pressure chamber completely, the intercommunication disconnection between pressure chamber and the play water cavity, the water that flows into the pressure chamber from the water inlet can only stop between the inner wall of annular and pressure chamber, and when the one end of pressing the subassembly drive piston spare stretches out to the play water cavity, the water of pressure intracavity flows into out the water cavity and flows from the delivery port through the annular, and the design of annular makes the water area between pressure chamber and the play water cavity effectively increase.

Description

Push type valve core

Technical Field

The utility model relates to a case technical field especially relates to push type case.

Background

In the prior art of bathroom hardware, the water flow value of the press type valve core can only be maintained at a low value, that is, when the flow of most press type valve cores is 0.1MPa, only 8L/Min is available, the flow value can barely meet the shower standard, but the use experience of a user is seriously influenced. Meanwhile, when the pressure of the water in the water channel is only 0.05Mpa, the existing pressing type valve core has the defects of water leakage or unstable valve core opening and the like, and the defects are represented as that when the water is hard water, low pressure water drops after the sanitary product is used, the low pressure flow is small, or when the water channel is under high water pressure, the valve core is opened and closed, the problems of water hammer noise and the like exist, and the daily use of the sanitary product is serious.

SUMMERY OF THE UTILITY MODEL

The utility model provides a push type case aims at solving the technical problem who exists among the prior art.

The technical scheme of the utility model be push type case, include: the water outlet device comprises a shell, wherein a pressure cavity and a water outlet cavity which are communicated are arranged in the shell; the piston part is arranged in the pressure cavity, at least one part of the piston part is driven by the pressing component to move the end part of the piston part to the water outlet cavity, wherein the periphery of the piston part is provided with a ring groove, and the ring groove is respectively communicated with the pressure cavity and the water outlet cavity when the end part of the piston part moves to the water outlet cavity; the pressure cavity is communicated with the water inlet, and the water outlet cavity is communicated with the water outlet.

Furthermore, a sliding hole is formed in one end, far away from the water outlet cavity, of the pressure cavity of the shell, a valve rod is arranged at the other end of the piston piece, and the valve rod penetrates through the sliding hole and is connected with the pressing assembly outside the shell; wherein, the surface of valve rod outside the casing is provided with joint spare, be provided with first elastic component between joint spare and the casing.

Further, the pressing assembly includes: the rotating cylinder shell is connected with one end, opposite to the sliding hole, of the shell, and a plurality of ratchet teeth and ratchet grooves are alternately formed in the inner surface of the rotating cylinder shell along the circumferential direction; the pressing ratchet wheel is arranged on the periphery of the pressing ratchet wheel, the pressing ratchet wheel is arranged in the rotating cylinder shell in a lifting mode through the plurality of sliding blocks matched with the ratchet grooves, one end, far away from the sliding hole, of the pressing ratchet wheel penetrates through the rotating cylinder shell and is exposed out of the rotating cylinder shell, and a plurality of ratchet wheel protrusions are arranged on one end, close to the sliding hole, of the pressing ratchet wheel in the circumferential direction; the rotating wheel is rotatably arranged in the rotating barrel shell by alternately clamping ratchet teeth or ratchet grooves through the matching of the plurality of protruding strips and the ratchet protrusions, wherein one side of the rotating wheel close to the sliding hole is abutted to the end part of the valve rod.

Furthermore, a water inlet groove is formed in the periphery of the shell at a position corresponding to the water inlet, and the water inlet is positioned at the bottom of the water inlet groove; the periphery of casing is provided with first seal groove respectively in the both sides of intake chamber, be provided with first sealing washer in the first seal groove.

Furthermore, a plurality of inserting blocks are arranged on the rotary cylinder shell, clamping holes are formed in the inserting blocks, and buckles matched with the clamping holes are arranged on the shell.

Furthermore, the shell is provided with a plurality of limiting grooves for accommodating the insertion blocks respectively, and the buckles are arranged in the limiting grooves.

Furthermore, the periphery of the rotating cylinder shell is provided with adjusting threads, the shell is provided with a screwing part matched with the adjusting threads, and the rotating cylinder shell is displaced along the sliding direction of the valve rod by the matching of the adjusting threads and the screwing part; the periphery of casing is equipped with fixed screw between intake chamber and first seal groove.

Furthermore, a plurality of sliding strips are arranged on the periphery of the rotary cylinder shell along the displacement direction of the rotary cylinder shell; the pressing assembly further comprises an adjusting ring, the rotating cylinder shell is sleeved with the adjusting ring, and a sliding groove matched with the sliding strip is formed in the inner periphery of the adjusting ring; the adjusting ring is provided with a limiting block, and the screwed part is provided with a stop dog contacting with the limiting block within the rotating range of the limiting block.

Further, the ring groove comprises a V-shaped groove or a U-shaped groove; the outer periphery of the piston piece is respectively provided with a second sealing groove at two sides of the annular groove, and a second sealing ring which is in contact with the inner periphery of the pressure cavity is arranged in the second sealing groove; the water outlet cavity is arranged along the axis of the pressure cavity, the inner diameter of the water outlet cavity is larger than that of the pressure cavity, and a chamfer angle is arranged between the water outlet cavity and the pressure cavity.

Furthermore, the centers of the pressing ratchet wheel and one end of the rotating wheel, which is close to the valve rod, are respectively provided with a first rotating groove and a second rotating groove which are open, the first rotating groove and the second rotating groove are coaxial, one end of the rotating wheel, which is far away from the valve rod, is provided with a rotating column inserted into the first rotating groove, and the end part of the valve rod is inserted into the second rotating groove; the shell is further provided with a boss at one end of the pressure cavity far away from the water outlet cavity, and the sliding hole is formed in the boss.

The beneficial effects of the utility model are as follows.

In this application, simple structure is stable, when the piston spare is located the pressure chamber completely, intercommunication disconnection between pressure chamber and the play water cavity, the water that flows into the pressure chamber from the water inlet can only stop between the inner wall of annular and pressure chamber, realize that the water of intaking water route and pressure chamber reaches pressure balance, make and press and feel and can not change along with water pressure, when the one end of pressing subassembly drive piston spare stretches out to go out the water cavity, the water in the pressure chamber flows into out the water cavity and flows from the delivery port through the annular, the design of annular makes the water flow area between pressure chamber and the play water cavity effectively increase, thereby make the case of guaranteeing still can keep high flow value when high low pressure, make the case can redundant use in the shower hardware product, thereby increase the competitiveness of product.

Drawings

Fig. 1 is a general schematic view of a press type valve element according to embodiment 1 of the present invention.

Fig. 2 is an exploded view of the push type valve element according to embodiment 1 of the present invention.

Fig. 3 is a longitudinal sectional view showing an open state of the push type valve element according to embodiment 1 of the present invention.

Fig. 4 is a longitudinal cross-sectional view showing a closed state of the push type valve element according to embodiment 1 of the present invention.

Fig. 5 is a detailed schematic view of a rotary cylinder shell of the press type valve core in embodiment 1 of the present invention.

Fig. 6 is a detailed schematic view of the rotary wheel of the press type valve core in embodiment 1 and embodiment 2 of the present invention.

Fig. 7 is a general schematic diagram of a press type valve element according to embodiment 2 of the present invention.

Fig. 8 is an exploded view of the push type valve element according to embodiment 2 of the present invention.

Fig. 9 is a longitudinal schematic view of the rotation barrel of the push type valve core of embodiment 2 of the present invention rotating to the stop block and the stop block in the direction away from the housing, and the valve core is in the closed state.

Fig. 10 is a longitudinal schematic view of a rotation cylinder shell of the push type valve core of embodiment 2 of the present invention, when it is close to the rotation from the shell direction to the stop block and the stop block contact, and the valve core is in a closed state.

Fig. 11 is a longitudinal schematic view of the rotation barrel of the push type valve core of embodiment 2 of the present invention rotating to the stop block and the stop block in the direction away from the housing, and the valve core is in the open state.

Fig. 12 is a longitudinal schematic view of the rotation shell of the pressing type valve core of the embodiment 2 of the present invention close to the open state of the valve core when rotating from the shell direction to the stopper and contacting the limiting block.

Fig. 13 is a detailed schematic view of a rotary cylinder shell of the press type valve core in embodiment 2 of the present invention.

In the above figures, 100, the housing; 110. a pressure chamber; 111. a water inlet; 112. a slide hole; 120. a water outlet cavity; 121. a water outlet; 122. chamfering; 130. a boss; 140. a limiting groove; 141. buckling; 150. a stopper; 160. a water inlet groove; 170. fixing threads; 180. a groove; 190. a first seal groove; 191. a first seal ring; 200. a pressing assembly; 210. rotating the cartridge housing; 211. ratchet teeth; 212. a ratchet groove; 213. inserting a block; 214. a clamping hole; 215. a slide bar; 216. adjusting the screw thread; 220. Pressing a ratchet wheel; 221. a slider; 222. a ratchet wheel protrusion; 223. a first rotating groove; 224. a bump; 230. a rotating wheel; 231. Rotating the column; 232. a protruding strip; 233. a guide slope; 234. a second rotating groove; 235. a placement groove; 240. a first spring; 250. an adjusting ring; 251. a sliding groove; 252. a limiting block; 260. a second spring; 300. a piston member; 310. a ring groove; 320. A valve stem; 321. fixing grooves; 322. a snap ring; 330. a second seal groove; 331. and a second seal ring.

Detailed Description

The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, top, bottom, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings.

Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.

It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element of the same type from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present disclosure.

Referring to fig. 1 to 13, in some embodiments, a push type valve cartridge according to the present invention includes: the water purifier comprises a shell 100, wherein a pressure cavity 110 and a water outlet cavity 120 which are communicated are arranged inside the shell 100; a piston member 300, at least a portion of which is disposed in the pressure chamber 110, and the piston member 300 is driven by the pressing assembly 200 to move the end of the piston member 300 to the water outlet chamber 120, wherein the outer circumference of the piston member 300 is provided with an annular groove 310, and the annular groove 310 communicates with the pressure chamber 110 and the water outlet chamber 120 when the end of the piston member 300 moves to the water outlet chamber 120; wherein, the pressure chamber 110 is communicated with the water inlet 111, and the water outlet chamber 120 is communicated with the water outlet 121. In the present application, the structure is simple and stable, when the piston 300 is completely located in the pressure chamber 110, the communication between the pressure chamber 110 and the water outlet chamber 120 is disconnected, the water flowing into the pressure chamber 110 from the water inlet 111 can only stay between the annular groove 310 and the inner wall of the pressure chamber 110, so that the pressure balance between the water inlet waterway and the water in the pressure chamber 110 is realized, and the pressing hand feeling is not changed along with the water pressure, when the pressing assembly 200 drives one end of the piston 300 to extend out of the water outlet chamber 120, the water in the pressure chamber 110 flows into the water outlet chamber 120 through the annular groove 310 and flows out of the water outlet 121, the design of the annular groove 310 effectively increases the water flow area between the pressure chamber 110 and the water outlet chamber 120, specifically, the water inlet 111 is formed on the periphery of the casing 100 corresponding to the pressure chamber 110, and the water outlet 121 is arranged on one end of the casing 100 away from the pressure chamber 110, so that when the valve core is installed on a bathroom accessory, the water can more smoothly circulate, thereby obtaining the effects of reducing the flow noise of the water and increasing the flow rate.

In addition, the number of the water inlets 111 may be one, or may be a plurality of water inlets arranged circumferentially, as shown in fig. 3 and 4, in the embodiment of the present application, the number of the water inlets 111 is preferably two on the outer periphery of the housing 100 by adopting a symmetrical facility.

It should be mentioned that, in the embodiment of the present application, the water inlet 111 and the water outlet 121 may be exchanged according to the flowing direction of the water body in the valve core and the waterway, that is, when the water body in the valve core flows from the water outlet chamber 120 to the pressure chamber 110, the water outlet 121 communicating with the water outlet chamber 120 becomes the water inlet 111, and the water inlet 111 communicating with the pressure chamber 110 becomes the water outlet 121.

Referring to fig. 2 to 12, in order to ensure that the piston member 300 can be retracted into the pressure chamber 110 when not driven by the pressing assembly 200, the housing 100 is provided with a sliding hole 112 at one end of the pressure chamber 110 away from the water outlet chamber 120, and the other end of the piston member 300 is provided with a valve stem 320, and the valve stem 320 passes through the sliding hole 112 and is connected with the pressing assembly 200 outside the housing 100; the valve rod 320 is provided with a clamping member on the outer surface of the casing 100, and a first elastic member is arranged between the clamping member and the casing 100. Specifically, the first elastic member preferably adopts a first spring 240 disposed on the outer periphery of the valve rod 320, and two ends of the first spring 240 respectively abut between the clamping member and the housing 100, so that the valve rod 320 slides along the sliding hole 112 toward the outside of the housing 100, thereby driving the piston member 300 to completely retract from the water outlet chamber 120 into the pressure chamber 110, and further improving the sealing performance and stability of the valve core. Meanwhile, the first spring 240 is isolated from water all the time, so that the problem that the first spring 240 rusts due to long-time soaking in water is avoided, and the problem that the spring for resetting the piston piece 300 on the market rusts is solved.

Further, referring to fig. 2 to 4 and fig. 8 to 12, in order to facilitate assembly of the piston 300 during installation and avoid reduction of production speed due to formation of the locking member, a fixing groove 321 is annularly formed on an outer surface of one end of the valve rod 320 away from the piston 300, the locking member is preferably a snap ring 322 that is locked to the fixing groove 321, and two ends of the first spring 240 respectively abut against one side of the snap ring 322 close to the sliding hole 112 and one side of the housing 100 away from the pressure chamber 110.

Referring to fig. 1 and 2, the pressing assembly 200 includes: a rotating cartridge 210, the rotating cartridge 210 being coupled to one end of the housing 100 opposite to the sliding hole 112, as shown in fig. 5 and 13, the inner surface of the rotating cartridge 210 being alternately provided with a plurality of ratchet teeth 211 and ratchet grooves 212 in a circumferential direction; as shown in fig. 2 to 4 and fig. 8 to 12, a plurality of sliders 221 are disposed on the periphery of the pressing ratchet 220, the pressing ratchet 220 is disposed in the rotating cylinder 210 in a manner that the sliders 221 are matched with the ratchet grooves 212 to be lifted, one end of the pressing ratchet 220, which is far away from the sliding hole 112, passes through the rotating cylinder 210 and is exposed outside the rotating cylinder 210, and one end of the pressing ratchet 220, which is close to the sliding hole 112, is provided with a plurality of ratchet protrusions 222 along the circumferential direction; as shown in fig. 2, 6 and 8, the rotating wheel 230 has a plurality of protrusions 232 on the periphery of the rotating wheel 230, the rotating wheel 230 is rotatably disposed in the rotating casing 210 by engaging the ratchet teeth 211 or the ratchet grooves 212 alternately with the plurality of protrusions 232 and the ratchet protrusions 222, wherein one side of the rotating wheel 230 near the sliding hole 112 abuts against the end of the valve stem 320. Specifically, when the valve core is closed, the first spring 240 between the snap ring 322 and the housing 100 drives the snap ring 322 to apply pressure, so that the end of the valve rod 320 pushes the rotating wheel 230 to rise synchronously and the protrusion 232 is clamped in the ratchet groove 212, when the valve core needs to be opened, the pressing ratchet 220 slides towards the valve rod 320 in the rotating cylinder housing 210 by pressing one end of the pressing ratchet 220 away from the valve rod 320, the ratchet protrusion 222 at the bottom of the sliding pressing ratchet 220 is always abutted against one surface of the protrusion 232 close to the pressing ratchet 220, the protrusion 232 is provided with a guide inclined surface 233 in the same circumferential direction on one surface close to the pressing ratchet 220, the ratchet protrusion 222 is always abutted against the guide inclined surface 233, the slider 221 and the protrusion 232 slide towards the valve rod 320 along the ratchet groove 212, so that the rotating wheel 230 is abutted against the valve rod 320 and slides towards the housing 100 against the direction of the first spring 240 away from the housing 100 until the protrusion 232 slides to be in contact with the ratchet groove 233, the rotating wheel 230 rotates by the contact of the protrusion 222 with the guide inclined surface of the guide ratchet 233, then the pressure of the pressing ratchet 220 is released, the pressing of the first spring 240 until the piston rod 230 is completely pressed down by the piston rod 220, the piston rod 230, the piston rod 220, the piston rod 230 is pushed down by the pressing the piston rod 320, and the piston rod 320, the piston rod 220, the piston can be pushed out until the piston rod 320, and the piston rod 320, the piston rod 220 is pushed out of the piston rod 320, and the piston rod 320; meanwhile, the guide slope 233 keeps the rotation direction of the wheel 230 consistent all the time.

Referring to fig. 3 and 4, in the embodiment of the present application, in order to increase the water inflow of the two water inlets 111 at both sides of the housing 100, the outer circumference of the housing 100 is provided with a water inlet groove 160 at a position corresponding to the water inlets 111, the water inlets 111 are located at the bottom of the water inlet groove 160, and the water flow in the shower product flows from the water inlet passage to the water inlet groove 160 of the valve core to surround and flow into the pressure chamber 110 from the two water inlets 111; the periphery of casing 100 is provided with first seal groove 190 respectively in the both sides of intake channel 160, be provided with first sealing washer 191 in the first seal groove 190, the setting of first seal groove 190 and first sealing washer 191 effectively prevents that the water that the inlet channel flowed into the case from oozing the water clock from the both ends of case, improves the leakproofness of case installation back shower product.

The utility model discloses an in embodiment 1, as shown in fig. 1 to 5, be provided with a plurality of cartridge pieces 213 on the rotation bobbin casing 210, a plurality of cartridge pieces 213 set up on the rotation bobbin casing 210 towards casing 100 and circumference, for improving the connection tightness, four are preferably chooseed for use to cartridge piece 213, are provided with card hole 214 on two of them cartridge pieces 213, be provided with on the casing 100 with card hole 214 complex buckle 141, the production equipment of case can be convenient for with the cooperation in knot hole to buckle 141, effectively improves production efficiency, and only need make buckle 141 break away from with the knot hole alright when the case needs dismouting to be maintained, convenient and fast improves user experience.

Specifically, in order to make the valve core structure smaller and more compact, so as to improve the applicability of the press type valve core of this embodiment, the housing 100 is provided with a plurality of limiting grooves 140 respectively accommodating the insertion blocks 213, the fasteners 141 are disposed in the limiting grooves 140, the insertion blocks 213 are inserted in the limiting grooves 140, so that the rotating cylinder shell 210 can be prevented from rotating due to external force, and the insertion blocks 213 are flush with the outer surface of the housing 100, so that the increase of the profile of the press type valve core due to the insertion blocks 213 is avoided; the housing 100 is further provided with a groove 180 between the plurality of limiting grooves 140, and the groove 180 is convenient for holding when the valve core of the present embodiment is installed, so as to avoid the occurrence of slipping.

In embodiment 2 of the present invention, as shown in fig. 7 to 12, an adjusting thread 216 is provided on the outer periphery of the rotary drum shell 210, a screwing part that matches the adjusting thread 216 is provided on the casing 100, and the rotary drum shell 210 is displaced along the sliding direction of the valve rod 320 by the matching of the adjusting thread 216 and the screwing part; the outer circumference of the housing 100 is provided with a fixing thread 170 between the water inlet groove 160 and the first seal groove 190. Specifically, the housing 100 is provided with a sleeve towards the rotary cylinder shell 210, the screw-thread part is formed in the sleeve, and the distance from the ratchet teeth 211 inside the rotary cylinder shell 210 to the housing 100 is controlled by adjusting the displacement distance of the rotary cylinder shell 210 in the sleeve along the sliding direction of the valve rod 320, so that when the valve core of the present embodiment is opened, as shown in fig. 11 and 12, the degree that the valve rod 320 drives the piston 300 to extend out of the water outlet cavity 120 is controlled, and the water flow can be controlled and adjusted after ensuring a large flow.

It should be noted that, as shown in fig. 9 and 10, when the valve core of the present embodiment is closed, one end of the piston member 300 away from the water outlet chamber 120 abuts on the inner end of the pressure chamber 110 away from the water outlet chamber 120, so as to prevent the piston member 300 from being displaced excessively to cause water leakage.

Referring to fig. 7, 8 and 13, in order to control the rotation adjustment range of the rotating cylinder 210 in this embodiment, so as to control the water outlet flow rate of the press-type valve core within a set range, a plurality of sliding bars 215 are further disposed on the outer circumference of the rotating cylinder 210 along the displacement direction of the rotating cylinder 210; the pressing assembly 200 further comprises an adjusting ring 250, the adjusting ring 250 is sleeved on the rotating drum shell 210, the inner circumference of the adjusting ring 250 is provided with a sliding groove 251 matched with the sliding strips 215, a plurality of sliding strips 215 are uniformly formed on the outer circumference of the rotating drum shell 210 along the circumferential direction of the rotating drum shell 210, and the sliding groove 251 is adaptively and uniformly formed on the inner circumference of the adjusting ring 250 along the circumferential direction of the adjusting ring 250; wherein, be provided with stopper 252 on the adjustable ring 250, stopper 252 sets up on the adjustable ring 250 towards the telescopic one side, the spiro union portion is provided with the dog 150 with stopper 252 contact in the rotation scope of stopper 252, and stopper 252 sets up on the sleeve tip of keeping away from casing 100, when rotating adjustable ring 250 to the at utmost or minimum of setting for the discharge range, stopper 252 can be followed the both sides butt of sleeve circumference with dog 150 on the sleeve respectively.

It should be noted that the number of the limiting blocks 252 can be set to more than one according to the requirement of the flow range size.

Referring to fig. 1 to 12, in order to reduce resistance when water flows through the ring groove 310, improve smoothness of the water flow, and improve water flow, the ring groove 310 includes a V-shaped groove or a U-shaped groove, and the radian of the V-shaped groove or the U-shaped groove can effectively guide the water flow; the outer periphery of the piston 300 is provided with second sealing grooves 330 on two sides of the ring groove 310, second sealing rings 331 contacting the inner periphery of the pressure chamber 110 are arranged in the second sealing grooves 330, when the press type valve core is closed, the second sealing rings 331 are tightly abutted against the inner periphery of the pressure chamber 110, so that high-pressure water is prevented from permeating from two ends of the piston 300, and the high-pressure and low-pressure sealing performance is further improved; go out water cavity 120 along the axis setting of pressure chamber 110, the internal diameter that goes out water cavity 120 is greater than the internal diameter of pressure chamber 110, just it is provided with chamfer 122 to go out between water cavity 120 and the pressure chamber 110, chamfer 122 can be oblique line chamfer 122, also can be circular-arc chamfer 122, and above-mentioned chamfer 122 is when the case is opened, and chamfer 122 of inclined plane or arc surface forms smooth and easy rivers passageway with V type or U type annular 310 one side cooperation that stretches out water cavity 120, further reduces the water resistance.

Referring to fig. 3 and 9, in order to improve the stability of the rotating wheel 230 during rotation and avoid the occurrence of a clamping failure of the pressing assembly 200 due to a bias during the rotation of the rotating wheel 230, the centers of the pressing ratchet 220 and the rotating wheel 230 near one end of the valve rod 320 are respectively provided with a first rotating groove 223 and a second rotating groove 234 which are open, the first rotating groove 223 and the second rotating groove 234 are coaxial, one end of the rotating wheel 230 far away from the valve rod 320 is provided with a rotating post 231 inserted into the first rotating groove 223, and the end of the valve rod 320 is inserted into the second rotating groove 234, so that the matching of the rotating post 231 and the first rotating groove 223 and the matching of the end of the valve rod 320 and the second rotating groove 234 ensure the rotation stability of the rotating wheel 230 and avoid the occurrence of a clamping failure; the shell 100 is further provided with a boss 130 at one end of the pressure cavity 110 far away from the water outlet cavity 120, the sliding hole 112 is formed in the boss 130, the arrangement of the boss 130 improves the sliding stability of the valve rod 320 in the sliding hole 112, the stability of the piston piece 300 and the rotating wheel 230 in operation is further improved, the boss 130 can limit the downward descending limit distance of the rotating wheel 230, the problem that the rotating wheel 230 is in failure in cooperation with the rotating cylinder shell 210 due to excessive descending is avoided, meanwhile, the periphery of the boss 130 can provide guiding support for the first spring 240, and irregular deformation when the first spring 240 is compressed is avoided.

Specifically, as shown in fig. 3 to 12, a placement groove 235 is disposed at an end of the rotating wheel 230 close to the pressing ratchet 220, and a second spring 260 is disposed between the placement groove 235 and the pressing ratchet 220, so that an end of the pressing ratchet 220 far from the housing 100 is exposed outside the rotating cartridge 210.

Further, referring to fig. 1 and 6, the end of the ratchet 220 exposed outside the rotary drum 210 is provided with a plurality of protrusions 224 for quick fastening connection with the decorative button of the sanitary product.

The foregoing is merely a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, as long as the technical effects of the present invention are achieved by the same means, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present disclosure should be included within the scope of the present disclosure. All belong to the protection scope of the utility model. Various modifications and variations of the technical solution and/or the embodiments thereof are possible within the scope of the invention.

Claims (10)

1. Push type case, its characterized in that includes:

the water purifier comprises a shell (100), wherein a pressure cavity (110) and a water outlet cavity (120) which are communicated are arranged in the shell (100);

a piston member (300), at least a portion of the piston member (300) being disposed within the pressure chamber (110), and the piston member (300) being actuated by the pressing assembly (200) to move the end of the piston member (300) to the water outlet chamber (120), wherein the outer periphery of the piston member (300) is provided with an annular groove (310), the annular groove (310) communicating the pressure chamber (110) and the water outlet chamber (120) when the end of the piston member (300) moves to the water outlet chamber (120), respectively;

wherein the pressure cavity (110) is communicated with the water inlet (111), and the water outlet cavity (120) is communicated with the water outlet (121).

2. The push type valve cartridge according to claim 1,

the shell (100) is provided with a sliding hole (112) at one end of the pressure cavity (110) far away from the water outlet cavity (120), the other end of the piston piece (300) is provided with a valve rod (320), and the valve rod (320) penetrates through the sliding hole (112) and is connected with the pressing assembly (200) outside the shell (100);

the valve rod (320) is provided with a clamping piece on the surface outside the shell (100), and a first elastic piece is arranged between the clamping piece and the shell (100).

3. The depressible valve cartridge of claim 2 wherein the depressing assembly (200) comprises:

the rotary barrel shell (210) is connected with one end, opposite to the sliding hole (112), of the shell body (100), and a plurality of ratchet teeth (211) and ratchet grooves (212) are alternately formed in the inner surface of the rotary barrel shell (210) along the circumferential direction;

the pressing ratchet wheel (220) is provided with a plurality of sliding blocks (221) on the peripheral side of the pressing ratchet wheel (220), the pressing ratchet wheel (220) is arranged in the rotating cylinder shell (210) in a lifting mode through the sliding blocks (221) matched with the ratchet grooves (212), one end, far away from the sliding hole (112), of the pressing ratchet wheel (220) penetrates through the rotating cylinder shell (210) and is exposed out of the rotating cylinder shell (210), and a plurality of ratchet wheel protrusions (222) are arranged on one end, close to the sliding hole (112), of the pressing ratchet wheel (220) in the circumferential direction;

the rotating wheel (230) is provided with a plurality of protruding strips (232) on the peripheral side of the rotating wheel (230), the rotating wheel (230) is rotatably arranged in the rotating barrel shell (210) through the engagement of the plurality of protruding strips (232) and the ratchet wheel protrusions (222), the ratchet wheel teeth (211) or the ratchet wheel grooves (212) can be alternately clamped, and one side, close to the sliding hole (112), of the rotating wheel (230) abuts against the end part of the valve rod (320).

4. The push type valve core according to claim 3,

a water inlet groove (160) is formed in the position, corresponding to the water inlet (111), of the periphery of the shell (100), and the water inlet (111) is located at the bottom of the water inlet groove (160);

the periphery of casing (100) is provided with first seal groove (190) respectively in the both sides of intake chamber (160), be provided with first sealing washer (191) in first seal groove (190).

5. The push type valve core of claim 4 wherein,

the rotary drum shell (210) is provided with a plurality of insertion blocks (213), the insertion blocks (213) are provided with clamping holes (214), and the shell (100) is provided with a buckle (141) matched with the clamping holes (214).

6. The push type valve core of claim 5 wherein,

the shell (100) is provided with a plurality of limiting grooves (140) for accommodating the plug-in mounting blocks (213) respectively, and the buckles (141) are arranged in the limiting grooves (140).

7. The push type valve core according to claim 4,

the periphery of the rotating cylinder shell (210) is provided with an adjusting thread (216), the shell (100) is provided with a threaded part matched with the adjusting thread (216), and the rotating cylinder shell (210) is displaced along the sliding direction of the valve rod (320) through the matching of the adjusting thread (216) and the threaded part;

the periphery of the shell (100) is provided with a fixed thread (170) between the water inlet groove (160) and the first sealing groove (190).

8. The push type valve core of claim 7 wherein,

a plurality of sliding strips (215) are further arranged on the periphery of the rotary cylinder shell (210) along the displacement direction of the rotary cylinder shell (210);

the pressing assembly (200) further comprises an adjusting ring (250), the adjusting ring (250) is sleeved on the rotating cylinder shell (210), and the inner periphery of the adjusting ring (250) is provided with a sliding groove (251) matched with a sliding strip (215);

wherein, be provided with stopper (252) on adjustable ring (250), the spiro union portion is provided with dog (150) with stopper (252) contact in the rotation range of stopper (252).

9. The push type valve cartridge according to claim 1,

the ring groove (310) comprises a V-shaped groove or a U-shaped groove;

the outer periphery of the piston piece (300) is respectively provided with a second sealing groove (330) at two sides of the ring groove (310), and a second sealing ring (331) contacting the inner periphery of the pressure cavity (110) is arranged in the second sealing groove (330);

the water outlet cavity (120) is arranged along the axis of the pressure cavity (110), the inner diameter of the water outlet cavity (120) is larger than that of the pressure cavity (110), and a chamfer (122) is arranged between the water outlet cavity (120) and the pressure cavity (110).

10. The push type valve core of claim 3 wherein,

the centers of one ends, close to the valve rod (320), of the pressing ratchet wheel (220) and the rotating wheel (230) are respectively provided with a first rotating groove (223) and a second rotating groove (234) which are open, the first rotating groove (223) and the second rotating groove (234) are coaxial, one end, far away from the valve rod (320), of the rotating wheel (230) is provided with a rotating column (231) inserted into the first rotating groove (223), and the end part of the valve rod (320) is inserted into the second rotating groove (234);

the shell (100) is further provided with a boss (130) at one end of the pressure cavity (110) far away from the water outlet cavity (120), and the sliding hole (112) is arranged on the boss (130).

Images