CN107504247A

CN107504247A - Stop valve

Info

Publication number: CN107504247A
Application number: CN201710984342.5A
Authority: CN
Inventors: 樊钊
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2017-10-20
Filing date: 2017-10-20
Publication date: 2017-12-22
Anticipated expiration: 2037-10-20
Also published as: CN107504247B

Abstract

The invention discloses a kind of stop valve, including valve body, the cut-off valve element and the operating mechanism for controlling the cut-off valve element to act being arranged in the valve body, there is valve opening on the valve body, the cut-off valve element has the open position for opening the valve opening and the closed position for closing the valve opening, the operating mechanism includes driving section, the driving section is used to receive position switching power in the first direction and position switching power is transferred into the cut-off valve element to drive the cut-off valve element to switch between the open position and the closed position, and the driving section maintains the cut-off valve element to be in the position after last time switches after position switching power is removed.Stop valve provided by the invention can maintain valve position of the stop valve after switching without being continuously applied power to stop valve.

Description

Stop valve

Technical field

The present invention relates to valve technology field, more particularly to a kind of stop valve.

Background technology

In the prior art, all it is to produce electromagnetic force by magnet coil by the electric check valve of electromagnetic force driving, and Had to last in action process is performed to coil electricity to maintain the valve position of stop valve.The magnet coil of this electric check valve Power consumption is more, and because easily heating and the life-span it is relatively low.

The content of the invention

It is an object of the invention to provide a kind of stop valve, and stop valve can be maintained without being continuously applied power to stop valve Valve position after switching.

The present invention provides a kind of stop valve, including valve body, the cut-off valve element that is arranged in the valve body and for controlling The operating mechanism of cut-off valve element action is stated, there is valve opening on the valve body, the cut-off valve element, which has, opens beating for the valve opening Open position and the closed position for closing the valve opening, the operating mechanism include driving section, and the driving section is used for reception along the Position switching power is simultaneously transferred to the cut-off valve element to drive the cut-off valve element by the position switching power in one direction Switch between the open position and the closed position, and the driving section is tieed up after position switching power is removed Hold the cut-off valve element and be in the position after last time switches.

Further, drive the cut-off valve element sports bag to include the driving cut-off valve core rotation and/or drive described cut Only valve element translates along the first direction.

Further, the driving section includes mounting hole, and the cut-off valve element is located in the mounting hole.

Further, drive the cut-off valve element sports bag to include the driving cut-off valve element to move in the mounting hole.

Further, the stop valve also includes the first flexible member, and first flexible member is in the cut-off valve element To the cut-off valve element application towards the power of the valve opening during in the closed position.

Further, the cut-off valve element includes the first valve element and the second valve element, and the valve opening includes the first valve opening and the Two valve openings, one in the closed position, first valve element and second valve element coordinates with first valve opening, institute Another stated in the first valve element and second valve element coordinates with second valve opening, in the open position, described first Valve element and second valve element with first valve opening and second valve opening release cooperation and first valve opening and described Second valve opening connects.

Further, the operating mechanism also includes actuation part, and the actuation part is used for described in the application of the driving section Position switches power.

Further, the actuation part includes Electromagnetically actuated portion.

Further, the driving section includes pressure cap, retaining structure and core bar, and the retaining structure is relative to the valve body Fixed setting, the retaining structure include circumferentially distributed multiple necks around the first direction, and the pressure cap is located at institute The radially inner side of retaining structure is stated, the core bar has the second end of first end and the close valve opening away from the valve opening, The first end of the core bar driveably coordinates with the pressure cap, and the second end of the core bar is provided with the cut-off valve element, described The card article that first end coordinates with the neck is provided with core bar, wherein, the pressure cap is used to receive the position switching power, The pressure cap along the first direction promote the core bar can once make the card article from a neck coordinate conversion to The neck adjacent with the neck coordinates so as to drive the cut-off valve element to switch a position.

Further, the multiple neck includes alternatively distributed first neck of circumference around the first direction and the Two draw-in groove, the bottom land of first neck is relative to the bottom land of second neck along the first direction away from the valve opening.

Further, there is neck spigot surface between the adjacent neck；And/or the end of the first end of the card article Face has card article spigot surface.

Further, the circumferentially arranged multiple knobs in the bottom of the pressure cap, indent is formed between the adjacent knob, The pressure cap promotes the core bar, and the first end of the card article by the cooperation of the indent and the first end of the card article Moved along the surface of the knob so that the card article moves to target neck.

Further, the driving section also includes the second flexible member, and second flexible member applies to the core bar Towards the power of the retaining structure.

Further, the stop valve includes the sealing structure being arranged between the core bar and the valve body.

Based on stop valve provided by the invention, cut-off valve element is maintained after power is removed because driving section can switch in position Position after last time switching, it is therefore not necessary to be continuously applied power to stop valve stop valve can be maintained to be in switching Valve position afterwards.

By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its Advantage will be made apparent from.

Brief description of the drawings

Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：

Fig. 1 is the cross section structure diagram of the stop valve of the embodiment of the present invention.

Fig. 2 is the lateral perspective structure schematic diagram of stop valve shown in Fig. 1.

Fig. 3 is the structural representation of the operating mechanism of the stop valve shown in Fig. 1, now ends valve element accordingly in opening Position.

Fig. 4 is the partial structural diagram of the operating mechanism of the stop valve shown in Fig. 1, now ends valve element and is accordingly in Closed position.

Into Fig. 4, each reference represents Fig. 1 respectively：1st, the first magnet coil；2nd, the second magnet coil；3rd, valve element is multiple Position spring；4th, core bar back-moving spring；5th, O-ring；6th, retaining structure；61st, the first neck；62nd, the second neck；63rd, the first neck Spigot surface；64th, the second neck spigot surface；7th, pressure cap；71st, knob；72nd, indent；8th, valve body；81st, valve opening；9th, core bar；91st, install Hole；92nd, card article；93rd, card article spigot surface；10th, valve element is ended.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belongs to the scope of protection of the invention.

Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments Do not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for the ease of description, each portion shown in accompanying drawing The size divided not is to be drawn according to the proportionate relationship of reality.For technology, side known to person of ordinary skill in the relevant Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation A part for book.In shown here and discussion all examples, any occurrence should be construed as merely exemplary, and Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label Similar terms is represented in following accompanying drawing with letter, therefore, once it is defined in a certain Xiang Yi accompanying drawing, then subsequent attached It need not be further discussed in figure.

In the description of the invention, it is to be understood that limit parts using the word such as " first ", " second ", only It is for only for ease of and corresponding parts is distinguished, does not such as have Stated otherwise, above-mentioned word does not have particular meaning, therefore not It is understood that as limiting the scope of the invention.

In the description of the invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical, Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation or position shown in the drawings and closed System, it is for only for ease of the description present invention and simplifies description, in the case where not making opposite explanation, these nouns of locality do not indicate that There must be specific orientation with the device or element for implying meaning or with specific azimuth configuration and operation, therefore can not manage Solve as limiting the scope of the invention；The noun of locality " inside and outside " refers to relative to inside and outside each part profile in itself.

As shown in Figures 1 to 4, the embodiment of the present invention provides a kind of stop valve.The stop valve includes valve body 8, cut-off valve element 10 and operating mechanism.Include valve opening 81 on valve body 8.Ending valve element 10 has the open position for opening valve opening 81 and close valve orifice 81 Closed position.

For Fig. 1 into Fig. 4, valve body is hollow circular cylinder on the whole.Two relative valve openings are provided with the lower end of valve body 8. Two valve openings one are used as fluid intake, and another is as fluid issuing.Pipe joint is provided with the valve opening of valve body 8.This reality Apply in example, the periphery of pipe joint is provided with external screw thread.In the present embodiment, operating mechanism includes drive division and driving section.

Driving section is used to receive position switching power in the first direction and position switching power is transferred into cut-off valve element 10 are switched between open and closed positions with driving cut-off valve element 10.And driving section is after position switching power is removed Cut-off valve element 10 is maintained to be in the position after last time switches.

Cut-off valve element 10 is maintained after last time switches after power is removed because driving section can switch in position Position, it is therefore not necessary to which valve position of the stop valve after switching can be maintained by being continuously applied power to stop valve.

In the present embodiment, first direction is corresponding to the above-below direction in Fig. 1 to Fig. 4.Meanwhile first direction is also valve body 8 Axial direction.

In the present embodiment, the driving cut-off motion of valve element 10 includes driving cut-off valve element 10 and rotates and/or drive cut-off valve element 10 translate in the first direction.

As shown in Figures 1 to 4, driving section includes pressure cap 7, retaining structure 6 and core bar 9.Pressure cap 7, retaining structure 6 and core bar 9 are coaxially disposed within valve body 8 with valve body 8.

Preferably, driving section includes mounting hole 91, and cut-off valve element 10 is located in mounting hole 91.In the present embodiment, install Hole 91 is arranged on the core bar 9 of driving section.Cut-off valve element 10 is arranged in the mounting hole 91 of driving section, stop valve core can be made 10 move together in company with driving section, consequently facilitating driving section control cut-off valve element 10 carries out required motion.

In the present embodiment preferably, driving cut-off valve element 10 motion includes driving cut-off valve element 10 to move in mounting hole 91 It is dynamic.The cut-off movement in mounting hole 91 of valve element 10 can be such that stop valve core 10 coordinates well with valve opening 81 when needed, control Stop valve is closed tight.

In the present embodiment preferably, stop valve also includes the first flexible member, and the first flexible member is at cut-off valve element 10 Apply power towards valve opening 81 to cut-off valve element 10 when closed position.As shown in figure 1, in the present embodiment, the first flexible member For valve core reseting spring 3.

Cut-off valve element 10 includes the first valve element and the second valve element, and valve opening 81 includes the first valve opening and the second valve opening, closed Position, one in the first valve element and the second valve element coordinates with the first valve opening so as to block the first valve opening, the first valve element and second Another in valve element coordinates with the second valve opening so as to block the second valve opening.In open position, the first valve element and the second valve element with First valve opening and the second valve opening release cooperation and the first valve opening and the connection of the second valve opening.The setting can simultaneously opening and closing of fault Valve opening 81, so as to so that security when stop valve is closed is higher.

Actuation part is used to switch power to driving section application position.In the present embodiment, actuation part includes Electromagnetically actuated portion.Such as Shown in Fig. 1 to Fig. 4, Electromagnetically actuated portion includes the first magnet coil 1 and the second magnet coil 2.Control the first magnet coil 1 and Whether two magnet coils 2 are powered and energization direction, the two can be controlled to repel each other, so as to switch power to driving section application position And driving section and cut-off valve element 10 is driven to perform corresponding actions.

It is fixedly installed relative to valve body 8.Retaining structure 6 includes circumferentially distributed multiple necks around first direction.This In embodiment, retaining structure 6 includes the cutting ferrule for being fixed on the radially inner side of valve body 8.

Pressure cap 7 is located at the radially inner side of retaining structure 6, switches power for receiving position and pushes core bar 9, by position Switching power is transferred to core bar 9.

Core bar 9 has the first end (upper end in Fig. 1 to Fig. 4) away from valve opening 81 and second end (Fig. 1 close to valve opening 81 Lower end into Fig. 4).The first end of core bar 9 driveably coordinates with pressure cap 7, and the second end of core bar 9, which is provided with, installs foregoing cut-off The mounting hole 91 of valve element 10.The card article 92 that first end coordinates with neck is provided with core bar 9.Wherein, pressure cap 7 pushes away in the first direction Dynamic core bar 9 can once make card article 92 coordinate conversion to coordinate to the neck adjacent with the neck so as to drive cut-off from a neck Valve element 10 switches a position.

In first embodiment, multiple necks of retaining structure 6 include the circumference alternatively distributed first around first direction The neck 62 of neck 61 and second.The bottom land of first neck 61 is relative to the bottom land of the second neck 62 in the first direction away from valve opening 81.The setting to end valve element in position difference of the closed position with open position in the first direction.

As shown in Figure 3 and Figure 4, there is neck spigot surface between adjacent neck；And/or the end of the first end of card article 92 Face has card article spigot surface 93.

In the present embodiment, as shown in Figure 3 and Figure 4, on the direction that core bar 9 rotates, from the second neck 62 to the first card There is acclivitous first neck spigot surface 63, on from the first neck 61 to the direction of the second neck 62 on the direction of groove 61 With acclivitous second neck spigot surface 64.

It is more smooth that the setting of neck spigot surface and card article spigot surface 93 can switch the position of stop valve core 10.

In the present embodiment, the circumferentially arranged multiple knobs 71 in bottom of pressure cap 7, indent is formed between adjacent knob 71 72, pressure cap 7 promotes core bar 9 by the cooperation of indent 72 and the first end of card article 92, and the first end of card article 92 is along knob 71 Surface it is mobile so that card article 92 moves towards target neck.In the present embodiment, knob 71 is triangle knob 71, works as triangle The bottom surface of shape knob 71 run down to corresponding neck spigot surface it is concordant or slightly downward when, the card article 92 in indent 72 is in phase Enter next neck under the guide effect for the neck spigot surface answered.

As shown in Figures 1 to 4, the stop valve of the present embodiment also includes the second flexible member, and the second flexible member is to core bar 9 Apply the power towards retaining structure 6.In the present embodiment, the second flexible member is core bar back-moving spring 4.Core bar back-moving spring 4 On the step surface for the boss that first end (upper end for corresponding to Fig. 1 to Fig. 4) is connected to core bar 9, the second end of core bar back-moving spring 4 (lower end for corresponding to Fig. 1 to Fig. 4) is connected on the step surface being arranged on the inwall of valve body 8.

In the present embodiment, the core bar 9 of driving section is synchronous to produce rotation during moving in the first direction, so as to band Dynamic cut-off valve element 10 produces rotation during moving in the first direction, and makes stop valve by the cooperation of card article 92 and neck Core 10 is held in the position after switching, so as to act on driving section to that can be removed after valve element switching power of driving section application On power and remain to keep valve invariant position.During using magnet coil as drive division, cut-off can be made with disposable electromagnetic push Valve element 10 acts and keeps the valve position after action, without making stop valve keep its position using electric energy, therefore can save electricity Can, while can prevent magnet coil from generating heat, and the service life of magnet coil can be extended.

As shown in figure 3, under the mated condition of core bar 9 and retaining structure 6, card article 92 coordinates with the first neck 61, core Bar 9 is in of a relatively high position, and the second end bottom surface of core bar 9 is higher than the first valve opening and the second valve opening, the first valve opening and second Do not stop between valve opening and connect, stop valve is opened.

As shown in figure 4, under the mated condition of core bar 9 and retaining structure 6, card article 92 coordinates with the second neck 62, core Bar 9 is in relatively low position, and the mounting hole 91 and the first valve opening and the second valve opening at the second end of core bar 9 are coaxial, so that the One valve element and the second valve element and the first valve opening and the second valve opening are coaxial, and in the presence of valve core reseting spring 3, the first valve element is to core Outwardly extending in a radial direction for bar 9 and coordinate with one among the first valve opening and the second valve opening so as to seal the valve valve opening, the second valve element to Outwardly extending in a radial direction for core bar 9 and with another cooperation among the first valve opening and the second valve opening so as to sealing the valve valve opening, the first valve Hole and the second valve opening are closed, so as to which stop valve is closed.

The manipulation process of above stop valve is briefly described as follows：

Cut-off valve element 10 is closed, now in the mated condition shown in Fig. 4 between core bar 9 and retaining structure 6.

It is powered to stop valve, can makes second in the case of the first magnet coil 1 and the homopolar-repulsion of the second magnet coil 2 Magnet coil 2, which moves downward, pushes pressure cap 7, and pressure cap 7 press against core bar 9 and move down, when card article spigot surface 93 reaches or more than The P-pulse of one neck spigot surface 63 interrupts, and under the elastic force effect of core bar back-moving spring 4, core bar 9 moves up, and card article 92 passes through The surface of knob 71 and the first neck spigot surface 63 are directed to up in the first neck 61.It is not only upward to end valve element 10 during being somebody's turn to do Mobile, also concomitant rotation so as to be in the position isolated with valve opening 81, by the inner wall compressive of valve body 8 retracted by cut-off valve element 10, Cut-off effect can not be played.Now the mated condition of core bar 9 and retaining structure 6 is as shown in Figure 3.

When giving one pulse of stop valve again, pressure cap 7 press against valve element and move down, when card article spigot surface 93 reaches or exceedes The position afterpulse of second neck spigot surface 64 interrupts, and under the elastic force effect of core bar back-moving spring 4, core bar 9 moves up, card article 92 surfaces through knob 71 and and the second neck spigot surface 64 be directed to up in the second neck 62.End valve element 10 not during being somebody's turn to do But move down, also concomitant rotation ends work of the valve element 10 in valve core reseting spring 3 so as to be in the position relative with valve opening 81 With lower stretching, coordinate with corresponding valve opening 81 and seal valve opening 81, stop valve is closed.

Perform opening stop valve when needed according to above procedure and close the operation of stop valve.

In the present embodiment, in order that cut-off valve element 10 is in the smooth switching of open position and closed position, cut-off valve element 10 with One end that valve opening 81 coordinates is designed as evagination smooth surface, it is therefore preferable to spherical crown surface.

In the present embodiment, in order to prevent the fluid in stop valve by the slot leakage between core bar 9 and valve body 8, in core Sealing structure is also provided between bar 9 and valve body 8.In the present embodiment specifically, sealing structure includes setting successively in the first direction Two O-rings 5 put.

From the above description, it can be seen that the stop valve of the present embodiment can realize at least one following technique effect：

Valve position of the stop valve after switching can be maintained without being continuously applied power to stop valve；

When being activated using Electromagnetically actuated portion, electric power can be saved, and coil heating and energy caused by continued power can be reduced Consumption.

Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair The spirit of bright technical scheme, it all should cover among the claimed technical scheme scope of the present invention.

Claims

1. a kind of stop valve, including valve body (8), the cut-off valve element (10) that is arranged in the valve body (8) and described for controlling End the operating mechanism of valve element (10) action, there is valve opening (81) on the valve body (8), the cut-off valve element (10), which has, opens The open position of the valve opening (81) and the closed position for closing the valve opening (81), it is characterised in that the operating mechanism bag Driving section is included, the driving section is used to receive position switching power in the first direction and is transferred to position switching power It is described to end valve element (10) to drive the cut-off valve element (10) to switch between the open position and the closed position, and And the driving section after position switching power is removed after maintaining the cut-off valve element (10) to be in last time switching Position.

2. stop valve according to claim 1, it is characterised in that driving cut-off valve element (10) motion includes driving institute Stating cut-off valve element (10) rotates and/or drives the cut-off valve element (10) to be translated along the first direction.

3. stop valve according to claim 1, it is characterised in that the driving section includes mounting hole (91), the cut-off Valve element (10) is located in the mounting hole (91).

4. stop valve according to claim 3, it is characterised in that driving cut-off valve element (10) motion includes driving institute Cut-off valve element (10) is stated to move in the mounting hole (91).

5. stop valve according to claim 1, it is characterised in that the stop valve also includes the first flexible member, described First flexible member applies towards institute when the cut-off valve element (10) is in the closed position to the cut-off valve element (10) State the power of valve opening (81).

6. stop valve according to claim 1, it is characterised in that the cut-off valve element (10) includes the first valve element and second Valve element, the valve opening (81) include the first valve opening and the second valve opening, in the closed position, first valve element and described second One in valve element coordinates with first valve opening, and another in first valve element and second valve element is with described second Valve opening coordinates, in the open position, first valve element and second valve element and first valve opening and second valve Hole releases cooperation and first valve opening connects with second valve opening.

7. stop valve according to claim 1, it is characterised in that the operating mechanism also includes actuation part, the actuating Portion is used to apply the position switching power to the driving section.

8. stop valve according to claim 7, it is characterised in that the actuation part includes Electromagnetically actuated portion.

9. stop valve according to any one of claim 1 to 8, it is characterised in that the driving section include pressure cap (7), Retaining structure (6) and core bar (9), the retaining structure (6) are fixedly installed relative to the valve body (8), the retaining structure (6) Including circumferentially distributed multiple necks around the first direction, the pressure cap (7) is located at the radial direction of the retaining structure (6) Inner side, the core bar (9) have the second end of first end and the close valve opening (81) away from the valve opening (81), the core The first end of bar (9) driveably coordinates with the pressure cap (7), and the second end of the core bar (9) is provided with the cut-off valve element (10) card article (92) that first end coordinates with the neck, is provided with the core bar (9), wherein, the pressure cap (7) is used to connect The position switching power is received, the pressure cap (7) promotes the core bar (9) once to make the card article along the first direction (92) conversion is coordinated to coordinate to the neck adjacent with the neck so as to drive the cut-off valve element (10) from a neck Switch a position.

10. stop valve according to claim 9, it is characterised in that the multiple neck includes surrounding the first direction Alternatively distributed first neck (61) of circumference and the second neck (62), the bottom land of first neck (61) is relative to described The bottom land of two draw-in groove (62) is along the first direction away from the valve opening (81).

11. stop valve according to claim 9, it is characterised in that there is neck spigot surface between the adjacent neck； And/or the end face of the first end of the card article (92) has card article spigot surface (93).

12. stop valve according to claim 9, it is characterised in that the circumferentially arranged multiple pressures in bottom of the pressure cap (7) Tooth (71), forms indent (72) between the adjacent knob (71), and the pressure cap (7) passes through the indent (72) and the card The cooperation of the first end of bar (92) promotes the core bar (9), and the first end of the card article (92) is along the knob (71) Surface is mobile so that the card article (92) is moved to target neck.

13. stop valve according to claim 9, it is characterised in that the driving section also includes the second flexible member, described Second flexible member applies the power towards the retaining structure (6) to the core bar (9).

14. stop valve according to claim 9, it is characterised in that the stop valve include be arranged at the core bar (9) with Sealing structure between the valve body (8).