CN208565734U - A kind of driving structure and valve - Google Patents

Abstract

The utility model discloses a kind of driving structure and valve.Driving structure includes the first driving portion and the second driving portion that the first driving portion radial outside is arranged in, wherein, first driving portion is used to drive the rotation of the first driven member, second driving portion is used to drive the rotation of the second driven member, first driving portion and the second driving portion construction are as follows: in the first driving condition, first driving portion individually rotates, and second driving portion does not rotate；In the second driving condition, first driving portion drives second driving portion to rotate simultaneously.The driving structure and valve of the utility model realize that first driven member individually rotates, the first driven member and the second driven member rotate simultaneously using the same power source, and structure is simple, and cost reduces.

Description

A kind of driving structure and valve

Technical field

The utility model relates to valve technology field more particularly to a kind of driving structure and valves.

Background technique

Currently, sealing ring is provided on spool in the valve of the prior art, when the spool is assemblied in the valve body In inner cavity, and when the sealing ring on the spool is compressed between the spool and the valve body, the sealing ring to flow Body will not be flowed through the fit clearance between the spool and the valve body.

In above-mentioned valve, although the sealing ring can be avoided fluid through between the cooperation between the spool and the valve body Clearance flow is dynamic, and still, the sealing ring is extruded between the spool and the valve body, will lead to the relatively described valve body of the spool When rotation, i.e. valve commutation or opening and closing, the increased friction between the sealing ring and the valve body, and then cause to control the valve The external force of core increases, and commutation or opening and closing are laborious difficult.

For this purpose, proposing a kind of spool, it is arranged in valve body, spool includes sealing, and the sealing includes flexible structure And seal chamber, sealing between spool and the inner wall of valve body is realized by injecting fluid into seal chamber, by will be in seal chamber Fluid release realize the sealing released between spool and the inner wall of valve body.Spool further includes fluid introduction passage, fluid extraction There are common-use tunnel, one end of common-use tunnel to be connected to seal chamber for channel, fluid introduction passage and fluid extraction channel, shares logical The other end in road is connected with the remainder of the remainder of fluid introduction passage, fluid introduction passage, close in order to control injection Reversing valve core is arranged in the other end of common-use tunnel in the fluid for sealing the fluid of chamber and flowing out from seal chamber, and spool constitutes reversal valve The valve body of core, reversing valve core are connected with first rotating shaft, and spool is connected with the second shaft, to control reversing valve core and spool respectively, And then discharge the fluid in the seal chamber before commutation, the sealing between the spool and valve body is released, has been commutated Fluid is injected the seal chamber by Cheng Houzai, and the sealing between the spool and the valve body is established.

If two motors are respectively adopted controls first rotating shaft and the second shaft respectively, then control two motors start and stop, Rotation direction and rotational angle, complicated integral structure, increased costs.

Utility model content

In view of this, the driving structure simple and cheap the purpose of this utility model is to provide a kind of structure and Valve.

In order to achieve the above objectives, on the one hand, the utility model uses following technical scheme:

A kind of driving structure, including the first driving portion and the second driving that the first driving portion radial outside is arranged in Portion, wherein the first driving portion is used to drive the rotation of the first driven member, and the second driving portion is for driving the second driven member Rotation, first driving portion and the second driving portion construction are as follows: in the first driving condition, first driving portion is individually rotated, Second driving portion does not rotate；In the second driving condition, first driving portion drives second driving portion to rotate simultaneously.

Preferably, first driving portion includes first rotating shaft, second driving portion include the second shaft, described first Shaft and the coaxial arrangement of the second shaft, radial outside of second shaft set in the first rotating shaft；

The first rotating shaft includes the first protrusion extended radially outward, and second shaft includes prolonging radially inward The second protrusion stretched；

In the first driving condition, first protrusion and second protrusion are detached from, in the second driving condition, described first Protrusion is able to drive second protrusion and rotates together.

Preferably, it is described first protrusion in the circumferential have can be with the first end face and second of second male cooperation End face, the angle between the first end face and second end face are the angular range that first driving portion individually rotates.

It preferably, further include clutch structure,

In the first driving condition, the clutch structure can cooperate with second driving portion, for preventing described second Driving portion is rotated with first driving portion；

In the second driving condition, the clutch structure and second driving portion release and cooperate, so that second driving Portion can rotate together under the drive of first driving portion with first driving portion.

Preferably, the clutch structure includes movable part and the cam structure that is arranged in the first rotating shaft, described Cam structure and first protrusion are staggeredly arranged in the axial direction of the first rotating shaft,

In first driving condition, the movable part is in first of the rotation that can stop second shaft It sets, prevent second shaft with the first rotating shaft from rotating；

In second driving condition, the movable part is in the second position being detached from second shaft, so that institute Stating the second shaft can rotate with the first rotating shaft；

The movable part and the cam structure link, and the cam in the cam structure is rotated with the first rotating shaft When, the movable part can be converted between the first position and the second position under the action of cam structure.

Preferably, the cam structure includes cam and the actuation part with the cam engagement, the actuation part with it is described Movable part linkage；

The actuation part includes two auxiliary sections, is separately positioned on the two sides of the cam, the company of described two auxiliary sections Line passes through the basic circle center of circle of the cam.

It preferably, further include that the first rotating shaft can be driven to be rotated in opposite first direction and second direction Power device；

The clutch structure further includes one-way clutch, and the cam structure is mounted on described by the one-way clutch In first rotating shaft, when the first rotating shaft is rotated in a first direction, the cam structure is under the action of the one-way clutch It rotates and acts with the first rotating shaft, when the first rotating shaft is rotated in a second direction, the cam structure is described unidirectional It does not rotate and acts with the first rotating shaft under the action of clutch.

Preferably, it is provided with blocking portion in second shaft, for matching with the movable part, passes through the resistance Blocking of the movable part to the rotation of second shaft is realized in the cooperation of stopper and movable part.

Preferably, the blocking portion is being arranged of second shaft circumferentially-spacedly there are two.

Preferably, the driving structure includes stopping reversed structure, and described only reversed structure can be in the first rotating shaft along second Cooperate when direction rotates with one in two blocking portions, to stop second shaft to be rotated in a second direction,.

Preferably, the blocking portion is the protrusion being arranged on second shaft end face, and the only reversed structure includes bullet Property part, the end of the elastic component can be supported when the first rotating shaft is rotated in a second direction, with blocking portion described in one of them It connects, and when second shaft is rotated in a first direction, second shaft can push the elastic component to make the bullet Property part will not hinder the rotation of second shaft.

In order to achieve the above objectives, on the other hand, the utility model also uses following technical scheme:

A kind of valve, including spool and valve body further include above-mentioned driving structure, and the driving structure is for driving the spool Rotation.

The driving structure and valve of the utility model, by the way that first driving portion and the second driving portion to be configured to, One driving condition, first driving portion individually rotate, and second driving portion does not rotate, so that first driven member turns Dynamic, the second driven member does not rotate, and in second driving condition, first driving portion drives second driving portion simultaneously Rotation, so that the second driven member described in when first driven member rotates also rotates, and then real using the same power source Existing first driven member individually rotates, the first driven member and the second driven member rotate simultaneously, and structure is simple, cost drop It is low.

Detailed description of the invention

By referring to the drawings to the description of the utility model embodiment, the above-mentioned and other mesh of the utility model , feature and advantage will be apparent from.

Fig. 1 is the cross-sectional view of valve in specific embodiment of the present invention；

Fig. 2 is the cross-sectional view of valve body in specific embodiment of the present invention；

Fig. 3 is the cross-sectional view of spool in specific embodiment of the present invention；

Fig. 4 is the partial sectional view of the first valve plate and valve rod in specific embodiment of the present invention；

Fig. 5 is the A direction view of Fig. 4；

Fig. 6 is the cross-sectional view of the second valve plate in specific embodiment of the present invention；

Fig. 7 is the B direction view of Fig. 6；

Fig. 8 is the structural schematic diagram of flexible structure in specific embodiment of the present invention；

Fig. 9 is the cross-sectional view of ring baffle in specific embodiment of the present invention；

Figure 10 is the C direction view of Fig. 9；

Figure 11 is the cross-sectional view of reversing valve core in specific embodiment of the present invention；

Figure 12 is the structural schematic diagram of reversing valve core in specific embodiment of the present invention；

Figure 13 is the cross-sectional view of pipe fitting in specific embodiment of the present invention；

Figure 14 is the partial structural diagram of the first driving portion in specific embodiment of the present invention；

Figure 15 is the structural schematic diagram of baffle in specific embodiment of the present invention；

Figure 16 is the cross-sectional view of cam in specific embodiment of the present invention；

Figure 17 is the structural schematic diagram that specific embodiment of the present invention stops reversed structure；

Figure 18 is the structural schematic diagram of the first angle of actuation part in specific embodiment of the present invention；

Figure 19 is the structural schematic diagram of the second angle of actuation part in specific embodiment of the present invention；

Figure 20 is the top view that Fig. 1 removes dust cover and baffle；

Figure 21 is the top view of Fig. 2；

Figure 22 is the correspondence work of the valve and the driving structure in specific embodiment of the present invention in hull-borne Make schematic diagram；

Figure 23 is the correspondence working principle diagram of valve and the driving structure after the step of valve in Figure 22 completes commutation one；

Figure 24 is the correspondence working principle diagram of valve and the driving structure after the valve completion commutation step 2 in Figure 22；

Figure 25 is the correspondence working principle diagram of valve and the driving structure after the valve completion commutation step 3 in Figure 22.

In figure:

1, valve body；11, water inlet；12, water outlet；13, valve chamber；14, valve rod is open；15, mounting groove；16, protrusion；

2, spool；21, sealing；211, flexible structure；212, seal chamber；213, ring baffle；2131, through-hole；22, it leads Flow structure；221, fluid introduction passage；2211, first passage portion；2212, first passage section；2213, second channel section；2214, Third channel section；2215, second channel portion；222, fluid extraction channel；2221, third channel portion；2222, fourth lane portion； 2223, common-use tunnel；223, cavity structure；23, reversing valve core；231, groove；24, valve plate；241, the first valve plate；2411, even Connect hole；242, the second valve plate；25, valve rod；251, mounting hole；252, pipe fitting；253, accommodating hole；261, rod piece；2611, it installs Portion；2612, raised；

3, the first driving portion；31, first rotating shaft；311, the first protrusion；3111, first end face；3112, second end face；

4, the second driving portion；41, the second shaft；411, the second protrusion；4111, third end face；4112, the 4th end face； 412, blocking portion；4121, raised；

5, clutch structure；51, movable part；52, cam structure；521, cam；522, actuation part；5221, auxiliary section；53, One-way clutch；

6, stop reversed structure；61, elastic component；

7, power device；71, solar panel；72；Supercapacitor；

8, breaker device is overloaded；

9, computer remote control system；

10, baffle；

110, dust cover.

Specific embodiment

The utility model is described below based on embodiment, it should be understood by one skilled in the art that mentioning herein The attached drawing of confession is provided to the purpose of explanation, and attached drawing is not necessarily drawn to scale.

Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains Justice.

Referring to Fig.1 shown in-Figure 25, Yi Zhongfa, including valve body 1 and spool 2, the spool 2 are arranged in valve body 1, are used for Change valve body 1 in fluid flow regime, change fluid flow regime refer to change fluid flow direction, or cutting or Get through the flow regime of fluid.In order to facilitate introduction, the various embodiments of the valve, i.e. institute are introduced by taking triple valve as an example below State spool 2 be arranged in the valve body 1 formed a triple valve, as depicted in figs. 1 and 2, be provided on the valve body 1 one into The mouth of a river 11 and two water outlets 12, the water inlet 11 and the water outlet 12 are preferably tubular structure, two water outlets 12 coaxial arrangements, the valve chamber 13 of the valve body 1 are preferably provided to cylinder, the axis of the cylinder valve chamber 13 and the water inlet The axis coaxle of mouth 11, and the axis of the water inlet 11 and the axis of the water outlet 12 are perpendicular in the same plane, such as This, the resultant moment that the spool 2 rotates the water being subject to is minimum, and is more convenient for repairing.

As shown in figures 1 and 3, the spool 2 includes sealing 21, and the sealing 21 has first state and the second shape State, wherein in first state, the sealing 21 can be realized the sealing between spool 2 and the inner wall of valve body 1, realizes and utilizes The flow regime of the cooperation control fluid of the spool 2 and the valve body 1, in the second state, the sealing 21 releases described Sealing between spool 2 and the inner wall of valve body 1, so that when the spool 2 is rotated relative to the valve body 1, the sealing Friction between 21 and the inner wall of the valve body 1 is zero, controls external force required when the spool 2 and reduces, when commutating or being opened and closed It is more labor-saving.

First fluid channel, another water outlet 12 and water inlet 11 are formed when one water outlet 12 is connected to water inlet 11 Second fluid channel is formed when connection, the spool 2 can open first fluid channel, close second fluid channel and pass First fluid channel is closed, opens and switches between second fluid channel, the spool 2 is closing first fluid channel or closing the It is in first state when two fluid channels, the second state is in when switching fluid channel.

In a preferred embodiment, as shown in figures 1 and 3, the sealing 21 includes flexible structure 211 and sealing Chamber 212, the flexible structure 211 for example can be waterproof cloth, and the flexible structure 211 constitutes the seal chamber 212 at least Part cavity wall, at least partly cavity wall for the seal chamber 212 that the flexible structure 211 is constituted are the spool 2 and the valve The part for sealing between body 1 realizes the sealing 21 from described the by injecting fluid into the seal chamber 212 Switching of the two-state to the first state, that is, when injecting fluid into the seal chamber 212, flexible structure 211 is formed close Chamber 212 is sealed when injecting fluid, seal chamber 212 expands under action of a fluid, realizes and utilizes the swollen of injection fluid Swollen seal chamber 212 fills up surplus between spool 2 and the valve body 1, so realize spool 2 and valve body 1 sealing, pass through by Switching of the sealing 21 from the first state to second state is realized in fluid release in the seal chamber 212, I.e. after discharging the fluid in the seal chamber 212, the seal chamber 212 is due to 212 internal fluid pressure of seal chamber Reduce, the seal chamber 212 is converted into contraction state from swelling state, and gap occur between the spool 2 and the valve body 1 makes The spool 2 when being rotated relative to the valve body 1, zerofriction force between the spool 2 and the valve body 1 controls the spool 2 Required external force reduces, laborsaving convenience.

The seal chamber 212 is arranged in a ring, and the seal chamber 212 of annular setting can be with the cylinder of the valve body 1 It is formed and is fitted close between valve chamber 13, the seal chamber 212 is preferably oval ring, wherein the flexible structure 211 is annular Structure, the radial section of the ring structure are U-shaped, shape of the shape of the flexible structure 211 similar to cover, the U The opening of shape refers to elliptical towards where ring structure itself towards radially inner side, the opening of the U-shaped towards radially inner side It is radial, as shown in Figure 3 and Figure 9, the opening of the U-shaped is provided with ring baffle 213, the ring baffle 213 and flexibility The inner cavity that structure 211 encloses constitutes the seal chamber 212, and the ring baffle 213 is sleeved on the flexible structure of U-shaped 211 opening, and U-shaped bottom of the external cylindrical surface of the ring baffle 213 apart from the flexible structure 211 exists centainly Distance is to guarantee a constant volume of seal chamber 212, it will be understood that the ring baffle 213 and the sealing of the flexible structure 211 connect It connects.

As shown in figures 1 and 3, the spool 2 includes flow-guiding structure 22, the flow-guiding structure 22 and the seal chamber 212 Connection, to discharge fluid to injection fluid in the seal chamber 212 or from the seal chamber 212.Preferably, the water conservancy diversion knot Structure 22 includes the through-hole 2131 radially extended being arranged on the ring baffle 213, and the through-hole 2131 is evenly arranged on described Between the inner cylinder face of ring baffle 213 and the external cylindrical surface of the ring baffle 213.

As shown in figure 3, the flow-guiding structure 22 further include the fluid introduction passage 221 being connected to the seal chamber 212 and Fluid extraction channel 222.Wherein, one end of the fluid introduction passage 221 is connected to the through-hole 2131, and the other end extends to It at the fluid inlet of the valve body 1 or extends near the fluid inlet of the valve body 1, it is preferable that the fluid introduction passage 221 other end extends to the geometric center position at the fluid inlet of the valve body 1, so that the fluid introduction passage 221 pressure for leading to the fluid of the seal chamber 212 are the valve when the spool 2 and the valve body 1 are in sealing state Stagnation pressure at the fluid inlet of body 1, so that the Fluid pressure for introducing the seal chamber 212 is greater than or equal to the valve Necessary pressure needed for being sealed between core 2 and the valve body 1, to realize that it is described that the Fluid pressure in the seal chamber 212 overcomes Fluid pressure of the valve body 1 at the seal chamber 212, so that the seal chamber 212 expands under the action of fluid inside it, Clever structure, expansion effect are more preferable.Wherein, one end of the fluid extraction channel 222 is connected to the through-hole 2131, the other end It is connected to the low pressure chamber in the valve body 1, the low pressure chamber connection in the valve body 1 refers to and two water outlets 12 in the present embodiment One water outlet 12 of middle no draining is connected to, i.e., the backwater side of the described valve body 1.

As shown in Fig. 3-Fig. 7, the fluid introduction passage 221 includes that first passage portion 2211 and second interconnected is logical Road portion 2215, wherein the one end in second channel portion 2215 is connected to the through-hole 2131, and the fluid extraction channel 222 includes phase The third channel portion 2221 and fourth lane portion 2222 to connect, the wherein one end in fourth lane portion 2222 and the through-hole 2131 Connection, the second channel portion 2215 and fourth lane portion 2222 are common-use tunnel 2223.In the first passage portion 2211, Reversing valve core 23 is provided between triple channel portion 2221 and common-use tunnel 2223, the spool 2 constitutes the reversing valve core 23 Commutate valve body, and the position that crosses of 2223 three of the first passage portion 2211, third channel portion 2221 and common-use tunnel constitutes institute State the commutation valve chamber that the reversing valve core 23 is arranged in commutation valve body.The reversing valve core 23 tool is there are two state, in first state, The first passage portion 2211 is connected to common-use tunnel 2223, and third channel portion 2221 and common-use tunnel 2223 are truncated, at this point, institute Fluid introduction passage 221 to be stated to be got through, the fluid extraction channel 222 is truncated, and fluid is introduced into the seal chamber 212, and Fluid in seal chamber 212 will not be flowed out through fluid extraction channel 222, and seal chamber 212 expands, and the correspondence of sealing 21 is in First state, the sealing between the spool 2 and the inner wall of valve body 1 are established；In the second state, the third channel portion 2221 with Common-use tunnel 2223 is connected to, and first passage portion 2211 and common-use tunnel 2223 are truncated, at this point, 221 quilt of fluid introduction passage Truncation, the fluid extraction channel 222 are connected to, and the fluid in the seal chamber 212 is through 222 row of fluid extraction channel Out, and not it has new fluid to be introduced into the seal chamber 212, seal chamber 212 is shunk, and the sealing 21 is corresponding in the Two-state, the sealing between the spool 2 and the inner wall of the valve body 1 release.

It may be implemented to inject seal chamber 212 using the fluid introduction passage 221 or the fluid extraction channel 222 and flow Body or discharge fluid, control the fluid introduction passage 221 and the fluid extraction channel 222 using the reversing valve core 23 Connection and truncation, and then control the sealing 21 and switch between first state and second state, it can be realized to institute State the lithe control of fluid introduction passage 221 or fluid extraction channel 222.

In the further preferred embodiment of above-mentioned preferred embodiment, as shown in Fig. 3-Fig. 7, the spool 2 includes Valve plate 24 and the valve rod 25 being connect with the valve plate 24, it is preferable that the valve plate 24 is ellipse, so that the valve plate 24 is arranged In cylindrical valve chamber 13, valve plate 24 can cooperate with the cavity wall of the valve chamber 13.The valve plate 24 includes the first valve plate 241, the second valve plate 242, the curved surface where the side wall of first valve plate 241 are a cylindrical surface, second valve plate Curved surface where 242 side wall is a cylindrical surface, so that the valve plate 24 and cylindrical valve chamber 13 cooperate, described first Valve plate 241 is structure as a whole with the valve rod 25, and second valve plate 242 is set in parallel with first valve plate 241 in institute The side far from the valve rod 25 for stating the first valve plate 241, has certain angle between the valve plate 24 and the valve rod 25, When so that the valve rod 25 rotating, the valve plate 24 cooperates around the rotation of 11 axis of water inlet and with cylindrical valve chamber 13, commutation resistance Power reduces.The sealing 21 is arranged between first valve plate 241 and the second valve plate 242, specifically, the ring baffle 213 are arranged in the opening of the flexible structure 211 of U-shaped, what the ring baffle 213 and the flexible structure 211 were formed Sealing 21 is arranged between first valve plate 241 and the second valve plate 242, and in the flexible structure 211 and described first Between valve plate 241, sealing ring, first valve plate 241, are set between the flexible structure 211 and second valve plate 242 Two sealing rings of valve plate 242, two and sealing 21 threadedly tighten together, it is of course possible to understand, screw thread is set Seated position should be staggered the through-hole 2131, it is preferable that in the assembled condition, where the excircle side wall of the ring baffle 213 The diameter on cylindrical surface is less than the diameter on the cylindrical surface where the side wall of first valve plate 241 and the second valve plate 242, to avoid institute Seal chamber 212 is stated in contraction state, flexible structure 211 blocks the through-hole 2131 on the ring baffle 213.

In addition, on the triple valve that the valve body 1 and the spool 2 are assembled to form, in addition to be arranged on the valve body 1 into It further include that wearing on the valve body 1 for the valve rod 25 is set as depicted in figs. 1 and 2 outside the mouth of a river 11 and two water outlets 12 Valve rod opening 14 out so that controlling valve plate 24 by controlling the valve rod 25, and then is realized to the flow regime of fluid Changing, bearing is provided at the valve rod opening 14, the valve rod 25 is arranged at valve rod opening 14 by the bearing, Obviously, sealing ring should be set between the valve rod 25 and valve rod opening 14, to guarantee in the spool 2 and the valve body 1 Between sealing release and control valve rod 25 rotate when, fluid will not from the valve rod 25 and the valve rod opening 14 between The overflow of installation gap.

First valve plate 241, second valve plate 242 and the sealing 21 are enclosed cavity structure 223, such as scheme Shown in 3, the through-hole 2131 is located at the opening of 24 radially inner side of valve plate towards the cavity of the cavity structure 223, through the stream The fluid that body introduction passage 221 introduces is introduced into the cavity structure 223, then flows into the seal chamber through the through-hole 2131 In 212, similarly, the fluid in the seal chamber 212 is after the through-hole 2131 outflow, into the cavity structure 223, finally It is discharged through the fluid extraction channel 222, the cavity structure 223 constitutes a part of the flow-guiding structure 22.

As shown in Fig. 3, Fig. 4, Fig. 6 and Fig. 7, the first passage portion 2211 is at least partially disposed in second valve plate On 242, it is preferable that the first passage portion 2211 includes the axially extending first passage section 2212 along the valve rod 25, if Set second channel section 2213 in the cavity of the cavity structure 223 and with the 24 vertically extending third in place face of valve plate The side that second valve plate 242 deviates from first valve plate 241 is arranged in channel section 2214, the first passage section 2212, The extending direction of the first passage section 2212 is consistent with the axis of the valve rod 25, and in the assembled condition, described second is logical Road section 2213 and the third channel section 2214 are arranged in the cavity structure 223, it is worth noting that, the second channel Section 2213 and the third channel section 2214 are located in the cavity structure 223, but not straight with the cavity structure 223 To lead in succession, the second channel section 2213 and the third channel section 2214 are preferably provided on second valve plate 242, In, third channel section 2214 is inserted into first valve plate 241 and valve rod 25, it is clear that first valve plate 241 and described The connecting hole 2411 for the third channel section 2214 cooperation, one end of the connecting hole 2411 and institute are provided on valve plate 24 The connection of third channel section 2214 is stated, the end that reversing valve core 23 is arranged in the other end and the common-use tunnel 2223 is connected to, and described the The cooperation of triple channel section 2214 and the connecting hole 2411 not only makes the second channel section 2213 and the common-use tunnel 2223 connections, and the installation site of second valve plate 242 can be positioned.

As shown in figure 3, the common-use tunnel 2223 is configured to form on the valve rod 25 and prolongs along the axial direction of valve rod 25 The hole section stretched, one end of the hole section are connected to the cavity of the cavity structure 223, and the reversing valve core 23 is arranged in the hole At the other end of section.

As shown in fig. 4 and 13, mounting hole 251 is provided on valve rod 25, the mounting hole 251 is along the valve rod 25 Setting is radially extended, the reversing valve core 23 can be installed at the other end of the hole section through the mounting hole 251, described Pipe fitting 252 is provided in mounting hole 251, one end of the pipe fitting 252 can be connected to the channel in the reversing valve core 23, separately Outer one end is connected to the low pressure chamber of valve body 1, and the channel in the reversing valve core 23 is preferably L shape channel, the pipe fitting 252 it is interior Hole forms the third channel portion 2221, and when installation, first the axis by the reversing valve core 23 along the mounting hole 251 puts institute into It states at the other end of hole section, then the pipe fitting 252 is mounted in the mounting hole 251, finally utilize nut by the pipe fitting 252 are fastened on the valve rod 25, it is clear that sealing ring should be arranged between the pipe fitting 252 and the mounting hole 251, to protect Card fluid will not go out from the clipping room clearance flow between the pipe fitting 252 and the mounting hole 251, realize and controlled using reversing valve core 23 Make getting through or being truncated for the third channel portion 2221 and the common-use tunnel 2223.

As shown in figures 1 and 3, when installation, pipe fitting 252 is mounted on first in the mounting hole 251 of the valve rod 25, It is secondary, the sealing 21 is installed between first valve plate 241 and the second valve plate 242, then by the spool 2 from described 11 side of water inlet of valve body 1 is packed into, and the valve rod 25 is mounted in the valve rod opening 14, realizes 2 He of spool The installation of the valve body 1.

As shown in Fig. 3, Figure 11, Figure 12 and Figure 14, the reversing valve core 23 is connected with the first driving portion 3, and described first drives Dynamic portion 3 is able to drive the reversing valve core 23 and rotates, to realize that reversing valve core 23 turns between the first state and a second state It changes, first driving portion 3 includes elongated shape rod piece 261, and one end of the rod piece 261 is provided with to be filled with the reversing valve core 23 The mounting portion 2611 matched, such as one end of the rod piece 261 are provided with protrusion 2612, and groove is arranged on the reversing valve core 23 231, by the way that first driving portion 3 is realized in raised 2612 assembly of described 261 one end of rod piece in the groove 231 Control the reversing valve core 23.The valve plate 24 is connected with the second driving portion 4, and second driving portion 4 can drive the valve Plate 24 rotates, it is clear that second driving portion 4 includes valve rod 25, and the axis along the valve rod 25 is provided on the valve rod 25 To the accommodating hole 253 of extension, the accommodating hole 253 is connected to the common-use tunnel 2223, the axis of the accommodating hole 253 and institute The axis for stating common-use tunnel 2223 is consistent, first driving portion 3 be arranged in the accommodating hole 253 and with the reversing valve core 23 connections can be convenient the control reversing valve core 23 and valve plate 24 by the first driving portion 3 and the second driving portion 4.

Preferably, first driving portion 3 and second driving portion 4 are arranged to: in the first driving condition, described first Driving portion 3 drives the reversing valve core 23, and individually rotation, the valve plate 24 do not rotate；It is driven in the second driving condition, described first Dynamic portion 3 drives second driving portion 4 while rotating.

As shown in Figure 1, specifically, 12 He of water outlet of the triple valve that the spool 2 and the valve body 1 are assembled to form Water inlet 11 is connected to, another water outlet 12 is not connected to water inlet 11, and between the spool 23 and the inner wall of the valve body 1 Sealing when establishing, the first passage portion 2211 of the fluid introduction passage 221 and the common-use tunnel 2223 are changed by described Channel connection into spool 23, one end of the fluid introduction passage 221 extend at the fluid inlet of the valve body 1, flow Body is introduced into the seal chamber 212, the third channel portion 2221 of the fluid extraction channel 222 and the common-use tunnel 2223 it Between cut off by the reversing valve core 23, the fluid in the seal chamber 212 will not flow out, and realize the spool 2 and the valve body 1 The reliable use for the triple valve being assembled to form, when needing to commutate to the triple valve, the first step passes through first driving portion The individually rotation in a first direction of the 3 control reversing valve cores 23, at this point, reversing valve core 23 is rotated relative to the valve plate 24, it is described It is not relatively rotated between valve plate 24 and the valve body 1, so that the common-use tunnel 2223 and the first passage portion 2211 Cutting, and be connected to the third channel portion 2221, the fluid introduction passage 221 is cut off, and fluid can not be introduced into described Seal chamber 212, the fluid extraction channel 222 are connected to, the fluid that the fluid in the seal chamber 212 is flowed into water inlet 11 Pressure under discharged from the seal chamber 212, sealing between the spool 2 and the valve body 1 releases；Second step passes through First driving portion 3 controls the continuation of reversing valve core 23 and rotates in a first direction, controls institute by second driving portion 4 It states valve plate 24 to rotate in a first direction, at this point, not relatively rotating between the reversing valve core 23 and the valve plate 24, the valve plate It is relatively rotated between 24 and the valve body 1；Third step, by first driving portion 3 control the reversing valve core 23 by with institute The opposite second direction of first direction is stated individually to rotate, at this point, relatively rotated between the reversing valve core 23 and the valve plate 24, Do not relatively rotate, at the same time, the first passage portion 2211 and the common-use tunnel between the valve plate 24 and the valve body 1 2223 connections, the fluid are introduced into the seal chamber 212, cut between the third channel 2221 and the common-use tunnel 2223 Disconnected, the fluid of the seal chamber 212 will not flow out, and the sealing between the spool 2 and the valve body 1 is established, and end is once changed To.When needing to continue commutation, the first step, second step and third step are repeated.

Referring to Fig.1 shown in-Figure 25, driving structure provided by the utility model can drive above-mentioned valve.

The driving structure includes the first driving portion 3 and the second driving that 3 radial outside of the first driving portion is arranged in Portion 4, wherein the first driving portion 3 is used to drive the rotation of the first driven member, and the second driving portion 4 is driven for driving second The rotation of part, in above-mentioned valve, first driven member is reversing valve core 23, and second driven member is valve plate 24, institute State the first driving portion 3 and the second driving portion 4 is configured to: in the first driving condition, the individually rotation of the first driving portion 3 is described Second driving portion 4 does not rotate, and in the second driving condition, first driving portion 3 drives second driving portion 4 while rotating, And then utilization same power source realization first driven member individually rotates, the first driven member and the second driven member are same When rotate, and then realize and control above-mentioned valve, structure is simple, and cost reduces.

First driving portion 3 includes first rotating shaft 31, as shown in Figure 1, the first rotating shaft 31 and 261 phase of rod piece Even or first rotating shaft 31 is the rod piece 261, and second driving portion 4 includes the second shaft 41,41 He of the second shaft The valve rod 25 is connected or second shaft 41 is the valve rod 25, and the first rotating shaft 31 and the second shaft 41 are coaxially set It sets, second shaft 41 is sleeved on the radial outside of the first rotating shaft 31, is provided in second shaft 41 along described The axially extending hole of second shaft 41, when second shaft 41 is valve rod 25, the hole is accommodating hole 253.

As shown in Figure 22-Figure 25, the first rotating shaft 31 includes the first protrusion 311 that radially side extends, described Second shaft 41 includes the second radially inwardly extending protrusion 411, and first protrusion 311 has in the circumferential can be with institute State the first end face 3111 and second end face 3112 of 411 cooperation of the second protrusion, the first end face 3111 and second end face 3112 Between angle be the angular range that individually rotates of first driving portion 3, in above-mentioned valve, due to the third channel section 2214 axis and the axis in the third channel portion 2221 coincide, and the reversing valve core 23 only needs to rotate 180 degree Realize reversing valve core 23 L shape channel it is open at one end respectively with the axis or the third channel of the third channel section 2213 Portion 2221 is connected to, so, the angle between first end face 3111 and second end face 3112 is 180 degree, it is preferable that described first is convex Playing 311 is the fan ring structure that 31 radial outside of first rotating shaft is arranged in.Accordingly, second protrusion 411 includes energy The enough and third end face 4111 to lean of first end face 3111 and the 4th end face 4112 that can be leant with second end face 3112, In above-mentioned valve, the distance between the third end face 4111 and the 4th end face 4112 be equal to the first rotating shaft 31 axis away from 2 times with a distance from the first end face 3111 or second end face 3112, it is preferable that second protrusion 411 is rectangular configuration.

In the first driving condition, first protrusion 311 and the second protrusion 411 are detached from, and the first rotating shaft 31 individually turns Dynamic, in the second driving condition, first protrusion 311 is able to drive second protrusion 411 and rotates together, so that described First rotating shaft 31 drives second shaft 41 to rotate.

The driving structure further includes power device 7, and as shown in Fig. 7, Figure 22-Figure 25, the power device 7 can be driven The first rotating shaft 31 is rotated in opposite first direction and second direction, and the power device 7 is, for example, micro speed reducing Motor.Preferably, the power device 7 includes solar panel 71 and supercapacitor 72, to adapt to field environment.

The driving structure further includes clutch structure 5, and as shown in figure 20, the clutch structure 5 includes movable part 51, cam Structure 52 and one-way clutch 53, actuation part 522 of the cam structure 52 including cam 521 and with the cam 521 cooperation, As shown in Figure 16, Figure 18-Figure 20 and Figure 22-Figure 25, the cam 521 is mounted on described first by the one-way clutch 53 In shaft 31, the cam 521 and first protrusion 311 are arranged in a staggered manner in the axial direction of the first rotating shaft 31, described The pivot center of cam 521 is overlapped with the axis of the first rotating shaft 31, and the actuation part 522 includes two auxiliary sections 5221, One of auxiliary section 5221 is connected with the movable part 51, and two auxiliary sections 5221 are separately positioned on the cam 521 Two sides, it is preferable that the line of two auxiliary sections 5221 pass through the cam 521 the basic circle center of circle, two auxiliary sections 5221 linkages.It is further preferred that as shown in figure 21, mounting groove 15 is provided on the valve body 1, the auxiliary section 5221 is installed In the mounting groove 15, the direction of the mounting groove 15 and the valve rod opening 14 is consistent, the mounting groove 15 by with it is described The formation of protrusion 16 that the direction of valve rod opening 14 is unanimously protruded.

When the first rotating shaft 31 is rotated in a first direction, the cam 521 is under the action of one-way clutch 53 It rotates and acts with the first rotating shaft 31, when the cam 521 is rotated with the first rotating shaft 31, the cam 521 is pushed The actuation part 522 acts, and the actuation part 522 and the movable part 51 link, and the movable part 51 is in the actuation part 522 Under the action of converted between the first position and the second position.

When the first rotating shaft 31 is rotated in a second direction, the cam 521 is under the action of one-way clutch 53 It does not rotate and acts with the first rotating shaft 31.

It is provided with blocking portion 412 in second shaft 41, as shown in Figure 22-Figure 25, the blocking portion 412 is described There are two the circumferentially-spaced settings of second shaft 41, it is preferable that the blocking portion 412 is to be arranged at 41 end of the second shaft Protrusion 4121 on face, described two raised 4121 about second shaft 41 axis middle line be symmetrical arranged.

In first driving condition, the movable part 51 is in the first of the rotation that can stop second shaft 41 Position, prevent second shaft 41 with the first rotating shaft 31 from rotating, that is, the movable part 51 and second shaft Protrusion 4121 on 41 leans, and in second driving condition, the movable part 51 is in be detached from second shaft 41 The second position, second shaft 41 is rotated with the first rotating shaft 31, that is, the movable part 51 and described Protrusion 4121 in two shafts 41 is separated.

The driving structure includes stopping reversed structure 6, and as shown in Figure 17, Figure 20 and Figure 22-Figure 25, the only reversed structure 6 is wrapped Include elastic component 61, it is preferable that the elastic component 61 is L-shaped structure, and the elastic component 61 is arranged on the valve body 1, the bullet Property part 61 free end towards second shaft 41 end face be arranged, the free end of the elastic component 61 can be described first Shaft 31 is resisted against in a protrusion 4121 in second shaft 41 when being rotated in a second direction, to stop described second turn Axis 41 is rotated in a second direction, and when second shaft 41 is rotated in a first direction, second shaft 41 can be pushed The elastic component 61 makes the elastic component 61 not hinder the rotation of second shaft 41.

The cooperation of the elastic component 61 and the protrusion 4121 in second shaft 41 can prevent second shaft 41 It rotates, the cooperation of another protrusion 4121 of the movable part and second shaft 41, can prevent described in second direction Second shaft 41 is rotated in the first direction, and then realizes the self-locking of second shaft 41.

The driving structure includes overload breaker device 8, shown in 2- Figure 25 as shown in Figure 1, Figure 2,8 energy of overload breaker device It is enough by second direction rotation half cycle and to go out in the first rotating shaft 31 by first direction rotation one week, the first rotating shaft 31 Play the role of overloading power-off when now unexpected, and then the first rotating shaft 31 and power device 7 are disconnected.

The driving structure further includes computer remote control system 9, shown in 2- Figure 25 as shown in Figure 1, Figure 2, the computer Tele-control system 9 can control fluid water pump, the computer remote control system 9 can also according to the flow of fluid or when Between control power device 7.

The driving structure further includes baffle 10 and dust cover 110, and as shown in Figure 15 and Fig. 1, the setting of baffle 10 exists The top of two auxiliary sections 5221, the space between two auxiliary sections 5221 is encapsulated, and the dust cover 110 is set It sets on the valve body 1, can prevent dust from entering interior, the described first rotating shaft 31 of the one-way clutch 53 and the second shaft 41 Between gap and the auxiliary section 5221 and the cam 521 between gap.

As shown in figure 22, when the water inlet 11 of above-mentioned valve is connected with one of water outlet 12, the valve is in normal row The third end face 4111 of water state, the first end face 3111 of first protrusion 311 and second protrusion 411 leans, institute The protrusion 4121 stated on movable part 51 and second shaft 41 leans, the auxiliary section of the cam 521 and its two sides 5221 lean, as shown in Figure 1, when needing to commutate to the valve for the first time:

Step 1: as shown in figure 23, the power device 7 drives the first rotating shaft 31 to rotate 180 degree in a first direction, First protrusion 311 rotates in a first direction, the clockwise direction of the first direction example as shown in figure 1, first protrusion 311 First end face 3111 is detached from the third end face 4111 of second protrusion 411, until the second end face of first protrusion 311 3112 and second protrusion 411 the 4th end face 4112 against simultaneously, the cam 521 is in one-way clutch 53 Rotated under effect with the rotation of the first rotating shaft 31, the cam 521 rotation to push and its against auxiliary section 5221 is mobile, and mobile 4121 phase of protrusion driven on the movable part 51 and the second shaft 41 to link with it in the auxiliary section 5221 is de- From, at this point, the reversing valve core 23 is rotated relative to the valve plate 24, and the fluid discharge in the seal chamber 212, the spool 2 Sealing between the valve body 1 releases, and there is no rotations relative to the valve body 1 for the spool 2；

Step 2: as shown in figure 24, the power device 7 drives the first rotating shaft 31 to continue to rotate in a first direction 180 degree, the second end face 3112 of first protrusion 311 against the 4th end face 4112 of second protrusion 411 so that Second shaft 41 is rotated with the first rotating shaft 31 and is rotated, when second shaft 41 rotates, second shaft 41 On protrusion 4121 jack up the free end of the elastic component 61, the lower rotational from the free end, simultaneously, the cam 521 rotate under the action of one-way clutch 53, and when the cam 521 rotates, the cam 521 pushes the auxiliary section 5221 is mobile, so that with the movable part 51 of the auxiliary section 5221 linkage again one in second shaft 41 Protrusion 4121, at this point, the power device 7 is disconnected with the first rotating shaft 31 under the overload power-off effect of overload breaker device 8 It opens, second shaft 41 stops operating under the action of protrusion 4121 on the movable part 51 and second shaft 41, this When, the spool 2 is rotated relative to the valve body 1, completes the commutation of the valve, and the seal chamber 212 is drawn logical with the fluid Road 222 is connected to；

Step 3: as shown in figure 25, the power device 7 drives the first rotating shaft 31 to continue to rotate in second direction, The second end face 3112 of first protrusion 311 is detached from the 4th end face 4112 of second protrusion 411, until described first convex The first end face 3111 and the third end face 4111 of second protrusion 411 for playing 311 lean, at this point, the power fills It sets 7 to disconnect under the overload power-off effect of overload breaker device 8 with the first rotating shaft 31, the first rotating shaft 31 is in second party To when rotation, the cam 521 does not rotate under the action of one-way clutch 53, and the free end of the elastic component 61 is against described A protrusion 4121 in second shaft 41, so that second shaft 41 is not rotated with the first rotating shaft 31 and is rotated, this When, the reversing valve core 23 is rotated relative to the spool 2, and the seal chamber 212 is connected to the fluid introduction passage 221, institute Incoming fluid in seal chamber 212 is stated, the sealing between the spool 2 and the valve body 1 is established, and primary commutation is completed；

When needing second to commutate, the commutation of the valve is can be completed in the one, step 2 that repeats the above steps and step 3 Movement, commutation for the second time is identical with the action process of first time commutation, only when second of commutation, second protrusion 411 and first protrusion 311 initial position and for the first time commutate phase difference 180 degree phase；

It is repetition commutation and second of commutation process for the first time when being further continued for commutation after completing to commutate twice.

The utility model also provides a kind of valve, including spool and valve body, further includes above-mentioned driving structure, the driving structure For driving the rotation of the spool.

Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting Ground combination, superposition.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, for this field For technical staff, the utility model can have various modifications and changes.All institutes within the spirit and principle of the utility model Any modification, equivalent substitution, improvement and etc. of work, should be included within the scope of protection of this utility model.

Claims (12)

1. a kind of driving structure, which is characterized in that including the first driving portion and the first driving portion radial outside is arranged in Second driving portion, wherein the first driving portion is used to drive the rotation of the first driven member, and the second driving portion is for driving the second quilt The rotation of actuator, first driving portion and the second driving portion construction are as follows: in the first driving condition, the first driving portion list Solely rotation, second driving portion do not rotate；In the second driving condition, first driving portion drives second driving portion same When rotate.

2. driving structure according to claim 1, which is characterized in that first driving portion includes first rotating shaft, described Second driving portion includes the second shaft, the first rotating shaft and the coaxial arrangement of the second shaft, and second shaft set is described The radial outside of first rotating shaft；

The first rotating shaft includes the first protrusion extended radially outward, and second shaft includes radially inwardly extending Second protrusion；

In the first driving condition, first protrusion and second protrusion are detached from, in the second driving condition, first protrusion Second protrusion is able to drive to rotate together.

3. driving structure according to claim 2, which is characterized in that first protrusion has in the circumferential can be with institute The first end face and second end face for stating the second male cooperation, the angle between the first end face and second end face are described first The angular range that driving portion individually rotates.

4. driving structure according to claim 2, which is characterized in that it further include clutch structure,

In the first driving condition, the clutch structure can cooperate with second driving portion, for preventing second driving Portion is rotated with first driving portion；

In the second driving condition, the clutch structure and second driving portion release and cooperate, and enable second driving portion It is enough to be rotated together under the drive of first driving portion with first driving portion.

5. driving structure according to claim 4, which is characterized in that the clutch structure includes that movable part and setting exist Cam structure in the first rotating shaft, the cam structure and first protrusion are wrong in the axial direction of the first rotating shaft Arrangement is opened,

In first driving condition, the movable part is in the first position that can stop the rotation of second shaft, makes Obtaining second shaft cannot rotate with the first rotating shaft；

In second driving condition, the movable part is in the second position being detached from second shaft, so that described the Two shafts can be rotated with the first rotating shaft；

The movable part and the cam structure link, when the cam in the cam structure is rotated with the first rotating shaft, The movable part can be converted between the first position and the second position under the action of cam structure.

6. driving structure according to claim 5, which is characterized in that the cam structure include cam and with the cam The actuation part of cooperation, the actuation part and the movable part link；

The actuation part includes two auxiliary sections, is separately positioned on the two sides of the cam, the line warp of described two auxiliary sections Cross the basic circle center of circle of the cam.

7. driving structure according to claim 5, which is characterized in that further include that the first rotating shaft can be driven opposite First direction and the power device that is rotated of second direction；

The clutch structure further includes one-way clutch, and the cam structure is mounted on described first by the one-way clutch In shaft, when the first rotating shaft is rotated in a first direction, the cam structure is under the action of the one-way clutch with institute It states first rotating shaft rotation and acts, when the first rotating shaft is rotated in a second direction, the cam structure is in the one-way clutch It does not rotate and acts with the first rotating shaft under the action of device.

8. driving structure according to claim 5, which is characterized in that be provided with blocking portion in second shaft, use It is matched in the movable part, realizes the movable part to second shaft by the cooperation of the blocking portion and movable part Rotation blocking.

9. driving structure according to claim 8, which is characterized in that the blocking portion is in the circumferential direction of second shaft There are two being positioned apart from.

10. driving structure according to claim 9, which is characterized in that the driving structure includes stopping reversed structure, described to stop Reversed structure can cooperate when the first rotating shaft is rotated in a second direction, with one in two blocking portions, to stop Second shaft is rotated in a second direction,.

11. driving structure according to claim 10, which is characterized in that the blocking portion is to be arranged in second shaft Protrusion on end face, the only reversed structure includes elastic component, and the end of the elastic component can be in the first rotating shaft along second Direction abuts when rotating with blocking portion described in one of them, and when second shaft is rotated in a first direction, and described second The rotation that shaft can push the elastic component that the elastic component is made not hinder second shaft.

12. a kind of valve, including spool and valve body, which is characterized in that it further include driving structure described in one of claim 1-11, The driving structure is used to drive the rotation of the spool.