CN208719454U - With the ball valve for opening and closing device - Google Patents

Abstract

The utility model belongs to ball-cock device field, more particularly to a kind of with the ball valve for opening and closing device, including valve body, sphere, valve rod, driving device, outlet side valve seat is equipped in the valve body, inlet side valve seat, the sphere is between outlet side valve seat and inlet side valve seat, baffle is provided on the outlet side valve seat or in the valve body close to outlet side valve seat, the baffle is equipped with first through hole, the sphere is corresponded on the valve body equipped with the second through-hole, fast-switching arrangement is connected on the valve body, the fast-switching arrangement includes the gland with second through-hole sealing cooperation, the gland is detachably connected with the valve body, the gland is equipped with the bleed valve of connection body cavity.It is arranged in bearing pipe, compact-sized, low cost.In addition, opening bleed valve is medium in valve chamber between ball-valve import valve seat and outlet valve seat, valve chamber space is small, and media discharge amount is small, therefore wastes also very little.

Description

With the ball valve for opening and closing device

Technical field

The utility model belongs to ball-cock device field, and in particular to a kind of with the ball valve for opening and closing device.

Background technique

Ball valve have many advantages, such as switch rapidly, good seal performance, fluid resistance is small, it as bearing pipe fluid control Device is widely used in the various fields such as petroleum, chemical industry, coal chemical industry, electric power, metallurgy and oil-gas transportation.

It needs that external object is put into bearing pipe or takes out the object in bearing pipe in some cases.For Reduce the influence to bearing pipe continuous operation efficiency, it is desirable to be able to quickly and easily place an object into pipeline or from pipeline It takes out, it is contemplated that medium has higher pressure and temperature in bearing pipe, and medium may also be corrosive, is toxic, is inflammable, is easy Quick-fried, therefore, it is necessary to consider safety when placing an object into bearing pipe or taking out object from bearing pipe.In order to reality Existing above-mentioned function, is usually arranged control device as shown in Figure 1, which is one threeway 2 ' of setting on bearing pipe 1 ', Two put-through channels therein pass through a deck valve door 3 ' respectively and are connected with bearing pipe 1 ', another wing passage setting of threeway is blind Plate 4 ' closes the channel using blind plate 4 ' and bolt and nut 5 ' and gasket, when needs are put into object or taking-up to bearing pipe When object, the valve 3 ' of threeway two sides is first closed, is then exhausted the medium between two deck valve doors by bleeder valve 6 ', then tear open 5 ' the channel Lai Kaiqi of bolt and nut on blind plate 4 ' is unloaded, this conventional control units need to be arranged two deck valve doors, 3 ', threeways 2 ', a set of 4 ' He Yitai bleeder valve 6 ' of blind plate, entire control device is bulky, involves great expense, when operating cost, working strength Greatly.In addition, the All Media between the two deck valve doors that release before disassembly blind plate, the spatial volume is big, and media discharge amount is big, because This waste is also very big.

Summary of the invention

The purpose of the utility model is to overcome the disadvantages existing in the prior art and insufficient, and provides a kind of with unlatching With the ball valve for closing device.

Technical solution adopted in the utility model is as follows: with the ball valve for opening and closing device, including valve body, ball Body, ball-valve valve rod, driving device, the valve body is interior to be equipped with outlet side valve seat, inlet side valve seat, and the sphere is located at outlet side valve Between seat and inlet side valve seat, it is provided with baffle on the outlet side valve seat or in the valve body close to outlet side valve seat, it is described Baffle is equipped with first through hole, and the sphere is corresponded on the valve body and is equipped with the second through-hole, is connected on the valve body and quickly opens Device is closed, the fast-switching arrangement includes the switch gland with second through-hole sealing cooperation, the switch gland and institute It states valve body to be detachably connected, the switch gland is equipped with the bleed valve of connection body cavity.

It is fixedly connected with pressing ring on the switch gland, is equipped at least one guide groove, the guide groove in the pressing ring The sliding shoe of adaptation is inside installed, the sliding shoe in the guide groove can only along pressing ring radial motion and by circumferential limit , the sliding shoe is corresponded on the valve body equipped with slot, the relatively described guide groove slip of the sliding shoe, which has, is located at institute It states the first position for being connected to the switch gland on the valve body and presses the switch outside the slot Lid and the separable second position of the valve body, the operating device for moving the sliding shoe is connected on the sliding shoe.

It is socketed with circumferential rotatable turntable in the pressing ring and axial limiting is constituted to the turntable with the sliding shoe, Helicla flute is provided on the turntable, the sliding shoe is equipped with the guide pin cooperated with the helicla flute, sets on the turntable There is the operating parts for rotating the turntable.

First connecting rod is hinged on the switch gland, the first connecting rod is hinged with second connecting rod, the second connecting rod It is hinged with support shaft, the support shaft is fixedly mounted on valve body.

The bleed valve includes bleed valve valve rod and the excretion valve core that bleed valve valve stem end is arranged in, the switch Gland is equipped with the third through-hole of connection body cavity, is opened by the relatively described switch gland upper and lower displacement of the bleed valve valve rod The bleed valve is opened or closes, the bleed valve valve rod is connected with lock pin, the bleed valve valve rod and the lock by connector Pin is linked, and the turntable is equipped with the third through-hole for lock pin insertion, when the bleed valve is in the closed position, institute Lock pin is stated to be located on the inside of sliding shoe.

The bleed valve is needle-like bleed valve.

The switch gland is connected by screw to the pressing ring.

Sealing ring is equipped between the switch gland and the valve body.

The switch gland and the valve body are taper fit sealing surface.

The valve body is equipped with pressure gauge.

The beneficial effects of the utility model are as follows: the utility model provides a kind of ball valve provided with switching device, setting It is compact-sized in bearing pipe, low cost.When to take out object from bearing pipe, ball valve is first closed, then passes through excretion Then medium in valve ball-valve valve chamber can turn on the switch device by dismantling gland, then can be from valve hole It is removed or placed into object, is switched quick and convenient.In addition, opening bleed valve is between ball-valve import valve seat and outlet valve seat Valve chamber in medium, valve chamber space is small, and media discharge amount is small, therefore wastes also very little.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, obtains other drawings based on these drawings the scope for still falling within the utility model.

Fig. 1 is the structure for the object that the prior art picks and places in bearing pipe；

Fig. 2 is a kind of structural schematic diagram of the longitudinal cross-section along fluid flow direction of embodiment of ball valve；

Fig. 3 is a kind of partial structure diagram of the transversal cross-section along fluid flow direction of embodiment of ball valve；

Fig. 4 is a kind of structural schematic diagram of the longitudinal cross-section perpendicular to fluid flow direction of embodiment of ball valve；

Fig. 5 is the structural schematic diagram of outlet side valve seat；

Fig. 6 is the structural schematic diagram of fast-switching arrangement；

Fig. 7 is the structural schematic diagram of pressing ring；

Fig. 8 is the structural schematic diagram of sliding shoe；

Fig. 9 is A-A cross-sectional view in Fig. 8；

Figure 10 is that the rotation of turntable drives the diametrically opposite stretching motion schematic diagram of sliding shoe, wherein A stretches for sliding shoe Structural schematic diagram out, B are the structural schematic diagram that sliding shoe is withdrawn；

Figure 11 is the stretching motion schematic diagram of sliding shoe another kind move mode, wherein A is that the structure that sliding shoe stretches out is shown It is intended to, B is the structural schematic diagram that sliding shoe is withdrawn；

Figure 12 is fast-switching arrangement with A-A sectional view in Fig. 6；

Figure 13 is the schematic diagram of internal structure that ball valve is opened；

Figure 14 is the schematic diagram of internal structure that ball valve is closed；

Figure 15 is the through-hole opening process schematic diagram on valve body, and (1) is to completely close, and (2) are that switch gland leaves valve body, (3) side of 3 through-hole of valve body is rotated to for entire switching device；

In figure, 1, fast-switching arrangement；1.1, gland；1.2, sealing ring；1.4, sliding shoe；1.5, turntable；1.51 spiral Slot；1.52 third through-hole；1.6, pressing ring；1.61 guide groove；1.7, screw；1.8, tommy bar connector；1.9, tommy bar；1.10 row Let out valve；1.101 bleed valve valve rod；1.102 draining valve core；1.11 connector；1.12 lock pin；1.13, hinged screw； 1.14 connecting rod；1.15 pin shaft；1.16 connecting rod；1.17 pin shaft；1.18 support shaft；

2, sphere；3, valve body；31, the second through-hole；32, slot；4, outlet side valve seat；41, baffle；42, first through hole；5, Valve deck；6, inlet side valve seat；7, bolt and nut；8, ball-valve valve rod；9, ball valve gland；10, driving device；11, pressure gauge；12, Object.

Specific embodiment

It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer Type is described in further detail.

It should be noted that all statements for using " first " and " second " are for area in the utility model embodiment Be divided to two non-equal entities of same names or non-equal parameter, it is seen that " first " " second " only for statement convenience, It should not be construed as the restriction to the utility model embodiment, subsequent embodiment no longer illustrates this one by one.

The direction and position term that the utility model is previously mentioned, for example, "upper", "lower", "front", "rear", "left", "right", " It is interior ", "outside", " top ", " bottom ", " side " etc., be only the direction or position with reference to attached drawing.Therefore, the direction and position used Setting term is rather than the limitation to scope of protection of the utility model to illustrate and understand the present invention.

As shown in Fig. 2, with the ball valve for opening and closing device, including fast-switching arrangement 1, sphere 2, valve body 3, outlet Side valve seat 4, valve deck 5, inlet side valve seat 6, bolt and nut 7, ball-valve valve rod 8, ball valve gland 9, driving device 10.Sphere 2 and ball Valve valve rod 8 and driving device 10 are fixedly connected, and driving device 10 drives ball-valve valve rod 8 and sphere 2 to do 90 ° of rotations to open or close Ball valve is closed, driving device 10 can be worm gearing as needed, be also possible to spanner, pneumatic device or electronic dress It sets.Ball valve in Fig. 2 is in the open state, and the fluid of import lateral line flows to outlet-side conduit by ball valve at this time.Such as Fig. 3 institute Show, the sphere 2 is corresponded on valve body 3 equipped with the second through-hole 31, valve body 3 is equipped with fast-switching arrangement 1, the switch gland 1.1 are detachably connected with the valve body 3, and the switch gland 1.1 is equipped with the bleed valve 1.10 of connection 3 inner cavity of valve body.Such as Fig. 4 It is shown, in order to monitor the intracavitary pressure of ball valve, pressure gauge 11 is mounted on valve body 1.Outlet side valve seat 4 is provided with gear Plate 41 has opened up the second through-hole 31, baffle is close to sphere in order to ensure fluid can smoothly flow through ball valve on baffle 41 Side is designed to spherical surface, sees that Fig. 5, baffle 41 can be fixed on outlet side valve seat 4, can also be with outlet side valve seat 4 Split settings are fixed between outlet side valve seat 4 and valve body 3.

The Detachable connection structure specific implementation switched between gland 1.1 and the valve body 3 can be as shown in fig. 6, described Pressing ring 1.6 is fixedly connected on switch gland 1.1, the structure of pressing ring 1.6 is as shown in fig. 7, be equipped at least one in the pressing ring 1.6 A guide groove 1.61 is 4 in figure, according to the difference of device specification, can use the guide groove of different number.The guide groove The sliding shoe 1.4 of adaptation is installed, the structure of sliding shoe 1.4 is as shown in Figure 8,9, and the sliding shoe 1.4 is led described in 1.61 Into slot 1.61 can only along pressing ring 1.6 radial motion and by circumferential limit, be socketed in the pressing ring 1.6 circumferential rotatable Turntable 1.5 and axial limiting is constituted to the turntable 1.5 with the sliding shoe 1.4, be provided with helicla flute on the turntable 1.5 1.51, the sliding shoe 1.4 is equipped with the guide pin 1.41 cooperated with the helicla flute 1.51, and the turntable 1.5, which is equipped with, to be used Slot 32 is equipped in corresponding to the sliding shoe 1.4 on the operating parts for rotating the turntable 1.5, the valve body 3.Turntable 1.5 with pull Knock-off joint 1.8 is fixedly connected, and tommy bar connector 1.8 is fixedly connected with tommy bar 1.9, turntable 1.5 can be made to revolve by operating tommy bar 1.9 Turn, by the common restriction of helicla flute 1.51 and guide groove 1.61, when turntable 1.5 rotates, sliding shoe 1.4 is in pressing ring 1.6 Radial expansion movement is done in guide groove 1.61, as shown in figure 9, sliding shoe 1.4 is radially when 1.5 clockwise movement of turntable (A) It moves out, the sliding shoe 1.4 is corresponded on the valve body 3 equipped with slot 32, sliding shoe 1.4 enters in slot 32 thus and valve Body 3 completes connection, and when 1.5 counterclockwise movement of turntable (B), sliding shoe 1.4 moves radially inward, when sliding shoe 1.4 leaves When slot 32, switch gland 1.1, which can separate, to come.Above structure realizes the effect extremely fast opened and closed, in addition may be used also It can be connected through a screw thread with the Detachable connection structure taken, flanged joint, the common connection type such as be bolted, compared Under, above-mentioned Detachable connection structure is quicker, and being only at least no more than a circle by rotation, (turntable in attached drawing only needs to turn Dynamic 45 degree or so) can be completed and open or close, and use threaded connection, flanged joint, be bolted at least need to rotate it is more All just achievable disassemblies.In addition, as shown in figure 11, when sliding shoe 1.4 is one or two, the mode of mobile sliding shoe 1.4 Handle is set on sliding block between can using, and directly mobile, when sliding shoe 1.4 is one, the other end can be using hinged Mode, but compared to setting turntable mode, the sliding shoe of this structure is preferably one or two, and sliding shoe is excessive, opens It is just inconvenient to open, but sliding shoe is one or two, makes to switch gland 1.1 and valve body 3 keeps the active force of connection can not Uniformly, as in Figure 11, in the position of sliding shoe, it is ensured that connected between switch gland 1.1 and valve body 3, most apart from sliding shoe Remote position, not can guarantee in switch gland 1.1 is sealing cooperation between sealing ring 1.2 and valve body 3, is easy to appear and lets out Leakage, and the mode of turntable is selected, sliding shoe can be for 4 pieces or setting is more, is circumferentially uniformly arranged, and guarantees switch gland 1.1 Sealing function when being connected between valve body 3.

Wherein, tommy bar connector 1.8 and tommy bar 1.9 are fixedly connected to form the operating parts of rotation turntable 1.5, can also directly exist Handle or steering wheel are set on turntable 1.5, are the actuator for being commonly used in rotation.

As shown in figure 12, switch gland 1.1 is connect with connecting rod 1.14 using hinged 1.13, and connecting rod 1.14 is adopted with connecting rod 1.16 It is connected with pin shaft 1.15, connecting rod 1.16 is connected by pin shaft 1.17 with support shaft 1.18, and support shaft 1.18 is fixedly mounted on valve body 3 On, therefore, switchs gland 1.1 and pressing ring 1.6 is limited by connecting component and cannot be made rotating motion in the through-hole of valve body 3.It takes Entire switching device after out can easily be revolved by hinged 1.13, connecting rod 1.14, pin shaft 1.15, connecting rod 1.16 and pin shaft 17 The side for going to 3 through-hole of valve body, sees Figure 12.

See that the middle part of switch gland 1.1 is arranged in Fig. 6, bleed valve 1.10, bleed valve 1.10 uses needle stop valve, excretion The valve rod 1.101 and flap design of valve are integral, and bleed valve 1.10 is opened or closed by the elevating movement of valve rod 1.101, The valve rod 1.101 of bleed valve is interlocked by connector 1.11 and pin shaft 1.12, and the elevating movement of valve rod 1.101 drives pin shaft 1.12 It moves up and down simultaneously.The turntable 1.5 is equipped with the third through-hole 1.52 for the lock pin 1.12 insertion, when bleeder valve 1.10 When in the closed position, lock pin 1.12 reaches the inside of sliding shoe 1.4.When bleeder valve 1.10 is in the open position, lock pin 1.12 do not extend into the inside of sliding shoe 1.4.Fig. 6 is that the through-hole being arranged on ball valve body is in situation when closing, at this time Sliding shoe 1.4 is stuck in the groove of valve body 3, and the switch gland 1.1 being assembled integrally with sliding shoe 1.4, which has blocked, to be arranged in ball valve Through-hole on valve body, under the sealing of sealing ring 1.2, it is ensured that the through-hole of valve body reliably seals.It is closed at this point, bleed valve 1.10 is in Closed position, lock pin 1.12 reaches the inside of sliding shoe 1.4 at this time, and therefore, sliding shoe 1.4 can not move radially inward.At this time The second through-hole 31 on valve body 3 can not be opened.The length of lock pin 1.12 can also be reduced, third through-hole 1.52 and lock pin 1.12 are suitable Match, or be slightly larger than lock pin 1.12, when bleeder valve 1.10 is in the closed position, lock pin 1.12 reaches third through-hole 1.52 and can be completed The locking of turntable avoids the second through-hole 31 from opening.If the prior art forgets medium of releasing before dismantling blind plate, blind plate is dismantled When also have very big security risk, by above-mentioned setting, then can solve this problem.

Sealing ring 1.2 is equipped between the switch gland 1.1 and the valve body 3.Improve switch gland 1.1 and the valve body 3 sealing performance prevents from revealing.

In order to it is easier by switching device from the through-hole for taking out or being put back into valve body 3 in the through-hole of valve body 3, will switch The sealing registration interface designs of the through-hole of gland 1.1 and valve body 3 are at certain taper, using taper fit sealing surface, take out with Also it is less likely to be damaged sealing ring 1.2 when putting back to switching device.

The switch gland 1.1 is connect with the pressing ring 1.6 by screw 1.7, and installation is facilitated.

As shown in figure 13, when ball valve is in the open state, the object 12 for needing to take out in inlet side pressure pipeline is with stream It is trapped in ball valve body when body flows through ball valve by the baffle 41 of ball valve outlet side valve seat 4, passes through rotation drive device 10 at this time To close ball valve.As shown in figure 14, after ball valve is closed, the object 12 for needing to take out, which faces, is arranged in leading on ball valve body Hole.After ball valve is closed, inlet side valve seat 6 and outlet side valve seat 4 are respectively by the fluid shutoff of bearing pipe inlet side and outlet side. It is trapped in the intracorporal object 12 of ball valve in order to take out, needs to open the through-hole on ball valve body.In order to open on ball valve body Through-hole, it is necessary to first open bleeder valve 1.10, after opening bleeder valve 1.10, the intracavitary medium of ball valve will pass through bleeder valve 1.10 discharges, so that it is guaranteed that do not have pressure medium in ball valve valve chamber, after bleeder valve 1.10 is opened, lock pin 1.12 is from sliding shoe 1.4 inside is detached from, therefore can be by operating the rotary turnplate 1.5 counterclockwise of tommy bar 1.9, and sliding shoe 1.4 will be moved radially-inwardly It is dynamic to shrink until the slot 32 with valve body 3 disengages.At this point it is possible to which entire switching device is taken from the second through-hole 31 of valve body 3 Out, the entire switching device after taking-up can pass through hinged 1.13, connecting rod 1.14, pin shaft 1.15, connecting rod 1.16 and pin shaft 1.17 The side for easily rotating to 3 through-hole of valve body, sees Figure 15.It at this time can be by the second through-hole 31 of valve body 3 by the object in valve body 3 Body takes out or external object is put into valve body 3.

When to take out object from bearing pipe, ball valve is first closed, then pass through Jie in bleed valve ball-valve valve chamber Then matter can turn on the switch device by rotary turnplate, object can be then removed or placed into from valve hole, and switch is fast Speed is convenient.The present apparatus is provided with the mechanism for preventing maloperation, and the switching device on the front valve shell for being not turned on bleed valve is nothing What method was opened, ensure that the safety of operation.In addition, opening bleed valve is ball-valve import valve seat and outlet valve seat Between valve chamber in medium, valve chamber space is small, and media discharge amount is small, therefore wastes also very little.

Above disclosures are merely preferred embodiments of the utility model, the power of the present invention cannot be limited with this certainly Sharp range, therefore equivalent variations made according to the claim of the utility model, still fall within the scope of the utility model.

Claims (10)

1. with the ball valve for opening and closing device, including valve body (3), sphere (2), ball-valve valve rod (8), driving device (10), Be equipped with outlet side valve seat (4), inlet side valve seat (6) in the valve body (3), the sphere (2) be located at outlet side valve seat (4) and into Between mouth side valve seat (6), it is characterised in that: on the outlet side valve seat (4) or the valve body (3) is interior close to outlet side valve seat (4) it is provided with baffle (41), the baffle (41) is equipped with first through hole (42), corresponds to the sphere (2) on the valve body (3) Equipped with the second through-hole (31), be connected with fast-switching arrangement (1) on the valve body (3), the fast-switching arrangement (1) include with The switch gland (1.1) of second through-hole (31) the sealing cooperation, the switch gland (1.1) and the valve body (3) are detachable Connection, switch gland (1.1) are equipped with the bleed valve (1.10) of connection valve body (3) inner cavity.

2. according to claim 1 with the ball valve for opening and closing device, it is characterised in that: the switch gland (1.1) it is fixedly connected on pressing ring (1.6), at least one guide groove (1.61), the guide groove is equipped in the pressing ring (1.6) (1.61) sliding shoe (1.4) of adaptation is installed, the sliding shoe (1.4) can only be along pressing ring in the guide groove (1.61) in (1.6) radial motion and by circumferential limit, corresponds to the sliding shoe (1.4) equipped with slot (32), institute on the valve body (3) Stating relatively described guide groove (1.61) slip of sliding shoe (1.4), the slot (32) are interior to make the switch gland with being located at (1.1) first position that is connected on the valve body (3) and it is located at outside the slot (32) and makes the switch gland (1.1) and institute Valve body (3) separable second position is stated, the behaviour for moving the sliding shoe (1.4) is connected on the sliding shoe (1.4) Make device.

3. according to claim 2 with the ball valve for opening and closing device, it is characterised in that: in the pressing ring (1.6) It is socketed with circumferential rotatable turntable (1.5) and axial limiting, institute is constituted to the turntable (1.5) with the sliding shoe (1.4) It states and is provided on turntable (1.5) helicla flute (1.51), the sliding shoe (1.4), which is equipped with, to be cooperated with the helicla flute (1.51) Guide pin (1.41), the turntable (1.5) are equipped with the operating parts for rotating the turntable (1.5).

4. according to claim 2 with the ball valve for opening and closing device, it is characterised in that: the switch gland (1.1) it is hinged on first connecting rod (1.14), the first connecting rod (1.14) is hinged with second connecting rod (1.16), and described second connects Bar (1.16) is hinged with support shaft (1.18), and the support shaft (1.18) is fixedly mounted on valve body (3).

5. according to claim 3 with the ball valve for opening and closing device, it is characterised in that: the bleed valve (1.10) It include the excretion valve core (1.102) of bleed valve valve rod (1.101) and setting in bleed valve valve rod (1.101) end, it is described The third through-hole that gland (1.1) are equipped with connection valve body (3) inner cavity is switched, by the bleed valve valve rod (1.101) with respect to institute It states switch gland (1.1) upper and lower displacement to open or close the bleed valve (1.10), the bleed valve valve rod (1.101) passes through company Fitting (1.11) is connected with lock pin (1.12), and the bleed valve valve rod (1.101) is linked with the lock pin (1.12), described Turntable (1.5) is equipped with the third through-hole (1.52) for the lock pin (1.12) insertion, closes when the bleed valve (1.10) are in Closed position, the lock pin (1.12) are located on the inside of sliding shoe (1.4).

6. according to claim 1 or 5 with the ball valve for opening and closing device, it is characterised in that: the bleed valve It (1.10) is needle-like bleed valve.

7. according to claim 2 with the ball valve for opening and closing device, it is characterised in that: the switch gland (1.1) it is connect with the pressing ring (1.6) by screw (1.7).

8. according to claim 1 with the ball valve for opening and closing device, it is characterised in that: the switch gland (1.1) sealing ring (1.2) are equipped between the valve body (3).

9. the ball valve with opening and closing device according to claim 1 or 8, it is characterised in that: the switch gland It (1.1) is taper fit sealing surface with the valve body (3).

10. according to claim 1 with the ball valve for opening and closing device, it is characterised in that: set on the valve body (3) There are pressure gauge (11).