CN208331416U - A kind of locking ball valve - Google Patents

Abstract

The utility model provides a kind of locking ball valve.The locking ball valve includes valve body；The both ends of fixing sleeve, the valve body are equipped with for fixing fixing sleeve described in the band internal thread of liquid-transport pipe-line；Two the first adjustment structures, two first adjustment structures are symmetrically fixed on the circumferencial direction of the valve body；Driving structure, the driving structure are fixed on the circumferencial direction of the valve body；Second adjustment structure, second adjustment structure extend to the driving structure through the valve body；Spool, the spool and the valve body of spherical structure with through-hole are rotatablely connected, first adjustment structure and second adjustment structure are connected to the spool, and the center line of first adjustment structure and second adjustment structure intersects at the centre of sphere of the spool；Limiting slot, the limiting slot are slidably connected with second adjustment structure.Locking ball valve provided by the utility model has the advantages that easy to operate, stability is strong.

Description

A kind of locking ball valve

Technical field

The utility model relates to liquid discharging apparatus technical field more particularly to a kind of locking ball valves.

Background technique

Ball valve, the valve that opening and closing element (sphere) is driven by valve rod, and rotated around ball valve axis, also can be used for fluid Adjusting and control, wherein firmly sealing its V-type core of V-type ball valve and the metal seat valve of pile-up welding hard alloy between have it is very strong Shearing force, especially suitable for the medium of fibre-bearing, small solid pellet etc., and multi-pass ball valve not only can be controlled flexibly on pipeline The interflow of medium, the switching for shunting and flowing to, while any channel can also be closed and other two channel is made to be connected.

However traditional ball valve has single switching function, part ball valve is equipped with simple locking functions, but all big Same small difference, in the stability that ball valve controls, there is also certain defects.

Therefore, it is necessary to provide a kind of new locking ball valve solution above-mentioned technical problem.

Utility model content

The technical issues of the utility model solves is to provide a kind of locking ball valve easy to operate, stability is strong.

In order to solve the above technical problems, locking ball valve provided by the utility model includes: valve body；Fixing sleeve, the valve The both ends of body are equipped with for fixing fixing sleeve described in the band internal thread of liquid-transport pipe-line；Two the first adjustment structures, two institutes The first adjustment structure is stated symmetrically to be fixed on the circumferencial direction of the valve body；Driving structure, the driving structure are fixed on described On the circumferencial direction of valve body；Second adjustment structure, second adjustment structure extend to the driving knot through the valve body Structure；Spool, the spool of the spherical structure with through-hole and the valve body are rotatablely connected, first adjustment structure with it is described Second adjustment structure is connected to the spool, and the center line of first adjustment structure and second adjustment structure intersects at The centre of sphere of the spool；Limiting slot, the spool are equipped with the limiting slot of arcuate structure, the limiting slot and described second Adjustment structure is slidably connected.

Preferably, first adjustment structure includes adjusting block, link block, guide pad, the first support sleeve, fixed block, One reset spring, the first limited post and two the first keyholes, two first support sleeves are symmetrically set in the circle of the valve body In circumferential direction, the guide pad and first support sleeve are rotatablely connected, and one end of the fixed block is connected to the guide pad, The other end of the fixed block is fixed on the spool, and two fixed block axial lines intersect at the centre of sphere of the spool, The adjusting block and first support sleeve are rotatablely connected, equipped with cylindrical structure between the adjusting block and the guide pad The link block, the link block and first support sleeve are rotatablely connected, and two first keyholes are through the tune Locking nub extends to the inside of the link block, and the link block is equipped with described first close to one end of first keyhole and resets Spring, the first back-moving spring are equipped with first limited post, and first limited post away from one end of the link block Diameter it is equal with the diameter of first keyhole.

Preferably, the driving structure include the second support sleeve, the second keyhole, the second limited post, second back-moving spring, Magnet, actuating sleeve and drive block, second support sleeve are fixed on the circumferencial direction of the valve body, and second support sleeve Vertical with the line of two first support sleeves, second support sleeve and the drive block are rotatablely connected, the actuating sleeve It is fixed on the drive block, second keyhole extends to the actuating sleeve through the drive block, and the actuating sleeve leans on One end of nearly second keyhole is equipped with the second back-moving spring, and the second back-moving spring deviates from the one of the actuating sleeve End is equipped with second limited post, and the diameter of second limited post is equal with the diameter of second keyhole, the driving The bottom end of set is equipped with the magnet of cylindrical structure.

Preferably, first support sleeve and the second support sleeve shape are identical, equal in magnitude, the drive block and institute The shape for stating adjusting block is identical, equal in magnitude, and first keyhole is equal with the diameter of second keyhole.

Preferably, second adjustment structure includes adjusting rod, drive sleeve and limited block, and the limited block is through described Valve body extends to the limiting slot, and the limited block is equipped with the adjusting rod, the adjusting rod close to one end of the actuating sleeve The drive sleeve is equipped between the actuating sleeve, the magnet is vertical with the drive sleeve.

Preferably, the adjusting rod is positive hexagonal structure, and the bottom of the limited block away from one end of the limited block End is arcuate structure, and the thickness of the limited block is less than the width of the limiting slot, and the width of the limited block is greater than the limit The width of position slot.

Preferably, second adjustment structure further includes driving spring, and the driving spring is set in the drive sleeve, and The driving spring and the magnet correspond.

Preferably, the bottom end of the valve body is equipped with filter structure, and the filter structure includes screen pipe and end cap, the mistake Chimney filter is fixed on the valve body, and the bottom end of the screen pipe is equipped with the end cap, and the end cap deviates from one end of the valve body Be positive hexagonal structure.

Compared with the relevant technologies, locking ball valve provided by the utility model is had the following beneficial effects:

The utility model provides a kind of locking ball valve, and two first adjustment structures are symmetrically fixed on the valve body On circumferencial direction, first adjustment structure is connected to the spool, adjusts the valve by two first adjustment structures Core and the spool is limited, effectively prevent the spool local pressure to damage, prevent the institute under hydraulic shock The angle for stating spool changes, so that displacement be made to change, substantially increases the stability of ball valve, while cooperating institute Stating driving structure drives second adjustment structure to limit ball valve, adjusts convenient for the drainability to the spool Section makes the more convenient control of ball valve, while two ends of the valve body are equipped with the fixing sleeve of rotation connection, convenient for pipe Road is fixed.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of preferred embodiment of locking ball valve provided by the utility model；

Fig. 2 is the portion A shown in FIG. 1 enlarged diagram；

Fig. 3 is the structural schematic diagram of driving structure shown in Fig. 2；

Fig. 4 is the attachment structure schematic diagram of the first adjustment structure and valve body shown in FIG. 1；

Fig. 5 is the portion B shown in Fig. 4 enlarged diagram；

Fig. 6 is the structural schematic diagram of the second adjustment structure shown in Fig. 2.

Figure label: 1, filter structure, 11, end cap, 12, screen pipe, 2, valve body, 3, fixing sleeve, the 4, first adjustment structure, 41, adjusting block, 42, link block, 43, guide pad, the 44, first support sleeve, 45, fixed block, 46, first back-moving spring, 47, first Limited post, the 48, first keyhole, 5, driving structure, the 51, second support sleeve, the 52, second keyhole, the 53, second limited post, 54, Second back-moving spring, 55, magnet, 56, actuating sleeve, 57, drive block, the 6, second adjustment structure, 61, adjusting rod, 62, drive sleeve, 63, driving spring, 64, limited block, 7, spool, 8, limiting slot.

Specific embodiment

The utility model is described in further detail with embodiment with reference to the accompanying drawing.

Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, wherein Fig. 1 is locked ball provided by the utility model A kind of structural schematic diagram of preferred embodiment of valve；Fig. 2 is the portion A shown in FIG. 1 enlarged diagram；Fig. 3 is driving shown in Fig. 2 The structural schematic diagram of structure；Fig. 4 is the attachment structure schematic diagram of the first adjustment structure and valve body shown in FIG. 1；Fig. 5 is Fig. 4 institute The portion the B enlarged diagram shown；Fig. 6 is the structural schematic diagram of the second adjustment structure shown in Fig. 2.Locking ball valve includes: valve body 2；The both ends of fixing sleeve 3, the valve body 2 are equipped with for fixing fixing sleeve 3 described in the band internal thread of liquid-transport pipe-line；Two One adjustment structure 4, two first adjustment structures 4 are symmetrically fixed on the circumferencial direction of the valve body 2；Driving structure 5, institute Driving structure 5 is stated to be fixed on the circumferencial direction of the valve body 2；Second adjustment structure 6, second adjustment structure 6 through The valve body 2 extends to the driving structure 5；Spool 7, the spool 7 of the spherical structure with through-hole with 2 turns of the valve body Dynamic connection, first adjustment structure 4 are connected to the spool 7, and first adjustment structure with second adjustment structure 6 4 intersect at the centre of sphere of the spool 7 with the center line of second adjustment structure 6；Limiting slot 8, the spool 7 are equipped with arc The limiting slot 8 of structure, the limiting slot 8 are slidably connected with second adjustment structure 6.

First adjustment structure 4 includes adjusting block 41, link block 42, guide pad 43, the first support sleeve 44, fixed block 45, first back-moving spring 46, the first limited post 47 and two the first keyholes 48, two first support sleeves 44 are symmetrically set in On the circumferencial direction of the valve body 2, the guide pad 43 is rotatablely connected with first support sleeve 44, and the one of the fixed block 45 End is connected to the guide pad 43, and the other end of the fixed block 45 is fixed on the spool 7, two 45 axle center of fixed block Line intersects at the centre of sphere of the spool 7, and the adjusting block 41 is rotatablely connected with first support sleeve 44, the adjusting block 41 The link block 42 of cylindrical structure, the link block 42 and first support sleeve 44 are equipped between the guide pad 43 Rotation connection, two first keyholes 48 extend to the inside of the link block 42 through the adjusting block 41, described Link block 42 is equipped with the first back-moving spring 46 close to one end of first keyhole 48, and the first back-moving spring 46 is carried on the back One end from the link block 42 is equipped with first limited post 47, and the diameter of first limited post 47 and first key The diameter of keyhole 48 is equal, and key contradicts first limited post 48, and first limited post 48 drives described first to reset bullet Spring 46 is shunk, and turns the adjusting block 41, the adjusting block 41 drives the link block 42 in first support sleeve 44 Portion's rotation, the link block 42 drives the guide pad 43 to drive the spool 7 to rotate by the fixed block 45, to adjust The opening and closing of the inner passage of the valve body 2, then extracts key, and the first back-moving spring 46 drives first limited post 47 engage with first keyhole 48, keep the adjusting block 41 fixed with first support sleeve 44, make ball valve using more Stablize.

The driving structure 5 includes the second support sleeve 51, the second keyhole 52, the second limited post 53, second back-moving spring 54, magnet 55, actuating sleeve 56 and drive block 57, second support sleeve 51 is fixed on the circumferencial direction of the valve body 2, and institute It is vertical with the line of two first support sleeves 44 to state the second support sleeve 51, second support sleeve 51 and the drive block 57 Rotation connection, the actuating sleeve 56 are fixed on the drive block 57, and second keyhole 52 prolongs through the drive block 57 The actuating sleeve 56 is extended to, the actuating sleeve 56 is equipped with the second back-moving spring close to one end of second keyhole 52 54, the second back-moving spring 54 is equipped with second limited post 53, second limit away from one end of the actuating sleeve 56 The diameter of column 53 is equal with the diameter of second keyhole 52, and the bottom end of the actuating sleeve 56 is equipped with the described of cylindrical structure Magnet 55 improves the service performance of ball valve to effectively prevent maloperation.

First support sleeve 44 and 51 shape of the second support sleeve are identical, equal in magnitude, the drive block 57 and institute The shape for stating adjusting block 41 is identical, equal in magnitude, and first keyhole 48 is equal with the diameter of second keyhole 52, For the ease of the assembling of part, easy access and maintenance.

Second adjustment structure 6 includes adjusting rod 61, drive sleeve 62 and limited block 64, and the limited block 64 is through institute It states valve body 2 and extends to the limiting slot 8, the limited block 64 is equipped with the adjusting rod 61 close to one end of the actuating sleeve 56, The drive sleeve 62 is equipped between the adjusting rod 61 and the actuating sleeve 56, the magnet 55 is vertical with the drive sleeve 62, For the ease of being limited to the spool 7.

The adjusting rod 61 is positive hexagonal structure, and the bottom end of the limited block 64 away from one end of the limited block 64 For arcuate structure, the thickness of the limited block 64 is less than the width of the limiting slot 8, and the width of the limited block 64 is greater than described The width of limiting slot 8, in ball valve use process can function at locking three simultaneously, can also with locking any one, locking is any Locking functions can be played at one, whereas if all reaching locking functions simultaneously, opening any one locking cannot all be opened Its equipment.

Second adjustment structure 6 further includes driving spring 63, and the driving spring 63 is set in the drive sleeve 62, and The driving spring 63 is corresponded with the magnet 55, for the ease of the magnet 55 reset.

The bottom end of the valve body 2 is equipped with filter structure 1, and the filter structure 1 includes screen pipe 11 and end cap 12, the mistake Chimney filter 11 is fixed on the valve body 2, and the bottom end of the screen pipe 11 is equipped with the end cap 12, and the end cap 12 deviates from the valve One end of body 2 is positive hexagonal structure, and then water flow is discharged by the screen pipe 12 from the valve body 2, by the filtering The biggish miscellaneous bits such as rubbish are stored in the screen pipe 12 by pipe 12, when the inside rubbish of the screen pipe 12 is excessive, The end cap 11 is turned, the screen pipe 12 is cleared up in disassembly.

The working principle of locking ball valve provided by the utility model is as follows:

First in ball valve use process can function at locking three simultaneously, can also with locking any one, locking any one Place can play locking functions, whereas if all reaching locking functions simultaneously, it cannot all be opened by opening any one locking Equipment, when body adjusts the angle of the spool 7, control ball valve opening and closing, by key respectively from first keyhole 48 and institute It states the second keyhole 52 to pass through, key will pass through from second keyhole 52 and contradict second limited post 53, make described the Two limited posts 53 are limited with 52 non-contravention of the second keyhole, then 180 ° of rotation drive blocks 57, when the actuating sleeve When the driving spring 63 on the magnet 55 and the drive sleeve 62 on 56 adsorbs, the magnet 55 is embedded in the biography The inside of dynamic set 62, drives the drive sleeve 62 to rotate, to adjust the limited block 64 and 7 non-contravention of spool, key First limited post 48 is contradicted, first limited post 48 drives the first back-moving spring 46 to shrink, turns the adjusting Block 41, the adjusting block 41 drive the link block 42 in the inner rotation of first support sleeve 44, and the link block 42 drives It moves the guide pad 43 and drives the spool 7 to rotate by the fixed block 45, thus adjust the inner passage of the valve body 2 Opening and closing, then extracts key, and the first back-moving spring 46 drives first limited post 47 and first keyhole 48 Engaging keeps the adjusting block 41 fixed with first support sleeve 44, then pulls the drive block 57, make the actuating sleeve 56 On the magnet 55 separated with the driving spring 63 in the drive sleeve 62,180 ° of rotation drive blocks 57 work as institute When stating second limited post 53 on actuating sleeve 56 with being overlapped with second keyhole 52, the second back-moving spring 54 is driven It moves second limited post 53 to limit the actuating sleeve 56, the magnet 55 is embedded in the inside of the drive sleeve 62, drives It moves the drive sleeve 62 to rotate, to adjust the limited block 64 and 7 non-contravention of spool, two first adjustment structures 4 are symmetrically fixed on the circumferencial direction of the valve body 2, and first adjustment structure 4 is connected to the spool 7, pass through two institutes It states the first adjustment structure 4 to adjust the spool 7 and limit the spool 7, effectively prevent 7 local pressure of spool It damages, prevents the angle of the spool 7 under hydraulic shock from changing, so that displacement be made to change, mention significantly The high stability of ball valve, while cooperating the driving structure 5 that second adjustment structure 6 is driven to limit ball valve, It is adjusted convenient for the drainability to the spool 7, makes the more convenient control of ball valve, while two ends of the valve body 2 are equal The fixing sleeve 3 equipped with rotation connection, convenient for pipeline is fixed, first limited post 47 and second limited post 53 setting enhances the stability of ball valve, effectively prevents maloperation, water flow is by the screen pipe 12 then from described Valve body 2 is discharged, and the biggish miscellaneous bits such as rubbish is stored in the screen pipe 12 by the screen pipe 12, when the screen pipe When 12 inside rubbish is excessive, the end cap 11 is turned, the screen pipe 12 is cleared up in disassembly.

Compared with the relevant technologies, locking ball valve provided by the utility model is had the following beneficial effects:

The utility model provides a kind of locking ball valve, and two first adjustment structures 4 are symmetrically fixed on the valve body 2 Circumferencial direction on, first adjustment structure 4 is connected to the spool 7, passes through two first adjustment structures 4 and adjusts institutes It states spool 7 and the spool 7 is limited, 7 local pressure of spool is effectively prevent to damage, prevent from rushing in liquid The angle for hitting the lower spool 7 changes, so that displacement be made to change, substantially increases the stability of ball valve, together Driving structure 5 described in Shi Peihe drives second adjustment structure 6 to limit ball valve, convenient for the draining to the spool 7 Ability is adjusted, and makes the more convenient control of ball valve, while two ends of the valve body 2 are equipped with the fixation of rotation connection Set 3, convenient for pipeline is fixed.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other relevant technical fields, are also included in the patent protection scope of the utility model.

Claims (8)

1. a kind of locking ball valve characterized by comprising

Valve body；

The both ends of fixing sleeve, the valve body are equipped with for fixing fixing sleeve described in the band internal thread of liquid-transport pipe-line；

Two the first adjustment structures, two first adjustment structures are symmetrically fixed on the circumferencial direction of the valve body；

Driving structure, the driving structure are fixed on the circumferencial direction of the valve body；

Second adjustment structure, second adjustment structure extend to the driving structure through the valve body；

Spool, the spool and the valve body of the spherical structure with through-hole are rotatablely connected, first adjustment structure and institute It states the second adjustment structure and is connected to the spool, and first adjustment structure intersects with the center line of second adjustment structure In the centre of sphere of the spool；

Limiting slot, the spool are equipped with the limiting slot of arcuate structure, and the limiting slot and second adjustment structure are sliding Dynamic connection.

2. locking ball valve according to claim 1, which is characterized in that first adjustment structure includes adjusting block, connects Meet block, guide pad, the first support sleeve, fixed block, first back-moving spring, the first limited post and two the first keyholes, two institutes The first support sleeve to be stated to be symmetrically set on the circumferencial direction of the valve body, the guide pad and first support sleeve are rotatablely connected, One end of the fixed block is connected to the guide pad, and the other end of the fixed block is fixed on the spool, and two described solid Determine block axial line to intersect at the centre of sphere of the spool, the adjusting block and first support sleeve are rotatablely connected, the adjusting The link block of cylindrical structure is equipped between block and the guide pad, the link block and first support sleeve rotation connect It connects, two first keyholes extend to the inside of the link block through the adjusting block, and the link block is close to institute The one end for stating the first keyhole is equipped with the first back-moving spring, and the first back-moving spring is set away from one end of the link block There is first limited post, and the diameter of first limited post is equal with the diameter of first keyhole.

3. locking ball valve according to claim 2, which is characterized in that the driving structure includes the second support sleeve, the Two-keyhole, the second limited post, second back-moving spring, magnet, actuating sleeve and drive block, second support sleeve are fixed on described On the circumferencial direction of valve body, and second support sleeve is vertical with the line of two first support sleeves, second support Set is rotatablely connected with the drive block, and the actuating sleeve is fixed on the drive block, and second keyhole is through the drive Motion block extends to the actuating sleeve, and the actuating sleeve is equipped with the second back-moving spring close to one end of second keyhole, The second back-moving spring away from the actuating sleeve one end be equipped with second limited post, the diameter of second limited post with The diameter of second keyhole is equal, and the bottom end of the actuating sleeve is equipped with the magnet of cylindrical structure.

4. locking ball valve according to claim 3, which is characterized in that first support sleeve and second support sleeve Shape is identical, equal in magnitude, and the drive block is identical as the shape of the adjusting block, equal in magnitude, and first keyhole It is equal with the diameter of second keyhole.

5. locking ball valve according to claim 3, which is characterized in that second adjustment structure includes adjusting rod, passes Dynamic set and limited block, the limited block extend to the limiting slot through the valve body, and the limited block is close to the driving One end of set is equipped with the adjusting rod, and the drive sleeve, the magnet and institute are equipped between the adjusting rod and the actuating sleeve It is vertical to state drive sleeve.

6. locking ball valve according to claim 5, which is characterized in that the adjusting rod deviates from one end of the limited block Be positive hexagonal structure, and the bottom end of the limited block is arcuate structure, and the thickness of the limited block is less than the limiting slot Width, the width of the limited block are greater than the width of the limiting slot.

7. locking ball valve according to claim 5, which is characterized in that second adjustment structure further includes driving bullet Spring, the driving spring are set in the drive sleeve, and the driving spring and the magnet correspond.

8. locking ball valve according to claim 1, which is characterized in that the bottom end of the valve body is equipped with filter structure, institute Stating filter structure includes screen pipe and end cap, and the screen pipe is fixed on the valve body, and the bottom end of the screen pipe is equipped with institute State end cap, the end cap is positive hexagonal structure away from one end of the valve body.