CN205298793U

CN205298793U - Ball valve

Info

Publication number: CN205298793U
Application number: CN201620055799.9U
Authority: CN
Inventors: 李云伟; 陈哲
Original assignee: Zhejiang Neoval Valve Co Ltd
Current assignee: Zhejiang Neoval Valve Co Ltd
Priority date: 2016-01-20
Filing date: 2016-01-20
Publication date: 2016-06-08
Anticipated expiration: 2026-01-20

Abstract

The utility model discloses a ball valve, which comprises the following components: a valve body, install the valve ball in the valve body and connect in the valve rod of valve ball, the storage tank has been seted up for the one side that is provided with the valve rod to the valve ball, be provided with the locking mechanical system who is used for locking the valve ball on the valve body, locking mechanical system is including being fixed in the mount pad on the valve body, wear to locate the mount pad the regulating part and with the stopper of storage tank joint, the regulating part is fixed with the stopper, the stopper is axial displacement in the mount pad, be provided with in the mount pad and make the elastic component of stopper to storage tank one side movement tendency, wherein the regulating part includes the operating block, the operating block is equipped with the cyclic annular anti -skidding tooth that distributes on a terminal surface of mount pad, the terminal surface looks butt of antiskid tooth and mount pad, and be provided with the spacing portion of regulating part at the mount pad internal fixation that make between regulating part and the mount pad, throw off limit belt between pulling regulating part and the mount pad and move locking and the releasing process of the axial motion realization of stopper to the valve ball, operate simple and directly, improve ball valve's safety in utilization.

Description

Ball valve

Technical field

The utility model relates to valve field, in particular to a kind of ball valve.

Background technology

Ball valve is that one is driven by valve rod by opening and closing element (spheroid), and the valve of the axis do 90 degree of rotary motions around valve rod, it is mainly used in the regulating and control of fluid. Fig. 1 shows ball valve of the prior art, the valve seat 5 comprise valve body 1, being arranged on valve body 1, the valve ball 4 being arranged on valve seat 5 and the valve rod 2 being connected with valve ball 4, valve rod 2 is connected with spanner 3, when the rotation of rotating spanner 3 band moving valve 2, then drives valve ball 4 to control the keying of ball valve. But spanner in operation can be misused Open valve or accidental impact makes Open valve to spanner, causes unforeseen circumstances occur.

Practical novel content

The purpose of this utility model is to provide a kind of ball valve that can lock valve ball.

Above-mentioned technical purpose of the present utility model is achieved by the following technical programs: ball valve, comprise valve body, the valve ball being installed in valve body and the valve rod being connected to valve ball, described valve ball has offered accommodating groove relative to the side being provided with valve rod, described valve body is provided with the lockout mechanism for locking valve ball, described lockout mechanism comprises the mount pad being fixed on valve body, the adjustment part being arranged in mount pad and the limited block connect with accommodating groove card, described adjustment part and limited block are fixed, limited block moves axially in mount pad, the elasticity part making limited block to accommodating groove side movement tendency it is provided with in mount pad, part is wherein regulated to comprise operation block, described operation block is provided with the anti-slop serrations of annular distribution towards the end face of mount pad, the end face of described anti-slop serrations and mount pad abuts against, and it is provided with, between adjustment part and mount pad, the limiting section making adjustment part at mount pad internal fixtion.

By adopting technique scheme, pull and regulate part to drive limited block depart from or be connected in the realization of accommodating groove further to the locking of valve ball, only need mount pad when disengaging the locking of limited block and accommodating groove and regulate the limiting section between part to disengage, pull-out regulates part that limited block and accommodating groove are departed from, the elasticity part being now placed in mount pad is compressed storage elasticity potential energy, being taken back by adjustment part by elasticity part during reset makes limited block and accommodating groove card connect, block the valve ball after connecing and increase the moment that valve ball opened by spanner, and by elasticity part the reactive force of limited block made between the bottom of limited block and accommodating groove firmly to catching the frictional force increased between limited block and accommodating groove, anti-slop serrations on binding operation block and mount pad end face to connecing in the friction increasing and regulating part and mount pad, thus the situation rotating valve ball when increasing spanner accidental collision or mishandle occurs.

As preferably, described mount pad has offered groove, part is regulated to be arranged in groove, in one end of groove, positive stop is set, positive stop has been offered breach, the circumference of described adjustment part be provided with coordinate with breach to connecing block, described positive stop with form above-mentioned limiting section to connecing block.

By adopting technique scheme, when regulating on part in time connecing breach on block alignment positive stop, regulate part can be drawn out compression elastic piece, rotate and regulate part to make to the breach connecing block and staggering on positive stop, part is regulated to be connected under the effect of elasticity part on positive stop, state limited block now disengages the card with accommodating groove and connects, and valve ball is in released state; Rotate again regulate part make to connect block again alignment notch regulate part to reset in the effect of elasticity part, limited block is connected in accommodating groove realization again to the locking of valve ball, simple to operate.

As preferably, the 2nd axle section that described adjustment part also comprises the first axle section being arranged in groove, is connected with the first axle section end face, described 2nd axle section is threaded with limited block.

By adopting technique scheme, 2nd axle section be threaded with limited block improve both fixed property, operation block uses as the parts stirred, first axle section is as coordinating spacing parts with mount pad, the adjustment part that first axle section, the 2nd axle section are formed with operation block three, structure is simple, it is achieved that not congenerous.

As preferably, described mount pad comprise the connection block being threadedly connected on valve body and with the nut being connected block one.

By adopting technique scheme, being threaded of mount pad and valve body realize both fix, first fix mode simply fixed; Secondly rotate realize and being threaded of valve body by the spanner rotating nut band block that is dynamically connected.

As preferably, described elasticity part is sheathed in the first axle section, and wherein one end of elasticity part is connected on limited block, and the other end is connected on positive stop.

By adopting technique scheme, it is achieved the radial movement compresses elasticity part of limited block in mount pad, and spacing elasticity part.

As preferably, described elasticity part is compression spring.

By adopting technique scheme, compression spring is one of common elasticity part in market, is convenient to change.

As preferably, described operation block is up-small and down-big round table-like, and the less end face of described operation block diameter is towards mount pad.

By adopting technique scheme, increased and the friction of staff by conical surface pulling operation block so that pull operation block more laborsaving and more easily exert oneself.

In sum, the utility model has following useful effect: the accommodating groove being connected on valve ball by the limited block in lockout mechanism realizes the locking to valve ball, pull and regulate the axial motion disengaging spacing drive limited block between part and mount pad to realize the locking to valve ball and releasing process, simple to operation, it is to increase the safety in utilization of ball valve.

Accompanying drawing explanation

Fig. 1 is the sectional view of ball valve in prior art;

Fig. 2 be valve ball locked time state graph;

Fig. 3 is state graph during valve ball unblock;

Fig. 4 is the ball valve sectional view after removing lockout mechanism;

Fig. 5 is the A portion enlarged view of Fig. 2;

Fig. 6 is the front view regulating part;

Fig. 7 is the axonometric drawing regulating part;

Fig. 8 is the vertical view of Fig. 6;

Fig. 9 is the front view of mount pad.

In figure: 1, valve body; 11, groove is installed; 2, valve rod; 3, spanner; 4, valve ball; 41, accommodating groove; 5, valve seat; 6, lockout mechanism; 61, mount pad; 611, nut; 612, block is connected; 613, positive stop; 614, groove; 615, breach; 62, part is regulated; 621, block is operated; 622, the first axle section; 623, the 2nd axle section; 624, to connecing block; 625, anti-slop serrations;63, limited block; 64, elasticity part.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Embodiment one

The structure of lockout mechanism is shown see Fig. 5 to Fig. 9, comprise mount pad 61, regulate part 62 and limited block 63, mount pad 61 comprises the connection block 612 of column and connects the connected nut 611 of block 612, connection block 612 is provided with outside screw, mount pad 61 has offered groove 614, the end face being provided with nut 611 is provided with positive stop 613, positive stop 613 has been offered breach 615, breach 615 is connected with groove 614, and breach 615 is at least provided with one on positive stop 613.

Regulating part 62 to comprise operation block 621, first axle section 622 and the 2nd axle section 623 of stepped setting successively, the circumference in the first axle section 622 is provided with to connecing block 624, arranges to the width and thickness that connect block 624 and wants to pass the breach 615 on positive stop 613. 2nd axle section 623 is provided with outside screw, limited block 63 is threaded connection to be fixed in the 2nd axle section 623, operation block 621 is truncated cone-shaped, the first axle section 622 of part 62 is regulated to be located in the groove 614 of mount pad 61, operation block 621 is placed in outside mount pad 61, and it is provided with ring-shaped distributed anti-slop serrations 625 on the end face of operation block 621, the end face operating the anti-slop serrations 625 on block 621 and mount pad 61 under normal lock state abuts against, anti-slop serrations 625 increases the frictional force between mount pad 61 so that it is more firm to lock; Being connected in groove 614 with the 2nd fixing limited block 63 slippage of axle section 623, be provided with elasticity part 64 in groove 614, elasticity part 64 selects compression spring, and one end of elasticity part 64 is connected on limited block 63, and the other end is connected on positive stop 613.

Lockout mechanism can realize regulating Telescopic Fixed in mount pad 61 of part 62, concrete regulate process is: rotate regulate part 62 make in the first axle section 622 to the breach 615 connecing block 624 and being directed on mount pad 61, compression elastic piece 64 while pull-out adjustment part 62, rotate again and regulate 62 to make to stagger breach 615 to connecing block 624, unclamp and regulate part 62, regulate part 62 to be firmly connected on positive stop 613 in the effect of elasticity part 64; When needs retract regulate part 62 time, again rotate and regulate part 62 to make to unclamp regulate part 62 to connecing block 624 alignment notch 615, regulate part 62 to retract in the effect of elasticity part 64 so that operate the anti-slop serrations 625 on block 621 again with mount pad 61 to connecing.

Embodiment two

See Fig. 2 to Fig. 5, a kind of ball valve comprises valve body 1, the valve seat 5 being fixed in valve body 1, the valve ball 4 being arranged on valve seat 5 and the valve rod 2 being connected with valve ball 4, valve rod 2 is connected with spanner 3, accommodating groove 41 has been offered in another side being provided with valve rod 2 at valve ball 4, just to the valve body 1 issued has been offered, groove 11 is installed, groove 11 is installed and is provided with internal thread, lockout mechanism in above-described embodiment one is arranged on valve body 1 and is connected in accommodating groove 41 by the limited block 63 in lockout mechanism, mount pad 61 is threadedly connected to installs the groove 11 whole lockout mechanism of internal fixtion, part 62 is regulated to drive limited block 63 to connect relation in the flexible realization of valve body 1 and the disengagement card that is connected in of the accommodating groove 41 of valve ball 4 by operation, the locking to valve ball 4 is realized when limited block 63 connects with accommodating groove 41 card, limited block 63 disengages when the card with accommodating groove 41 connects as unlocking valve ball 4 state.

This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made the amendment not having creative contribution as required by those skilled in the art after reading this specification sheets, but as long as being all subject to the protection of patent law in right of the present utility model.

Claims

1. a ball valve, comprise valve body (1), the valve ball (4) being installed in valve body (1) and the valve rod (2) being connected to valve ball (4), it is characterized in that, described valve ball (4) has offered accommodating groove (41) relative to the side being provided with valve rod (2), described valve body (1) is provided with the lockout mechanism for locking valve ball (4) (6), described lockout mechanism (6) comprises the mount pad (61) being fixed on valve body (1), it is arranged in the adjustment part (62) of mount pad (61) and blocks the limited block (63) connect with accommodating groove (41), described adjustment part (62) is fixed with limited block (63), limited block (63) moves axially in mount pad (61), the elasticity part (64) making limited block (63) to accommodating groove (41) side movement tendency it is provided with in mount pad (61), part is wherein regulated to comprise operation block (621), described operation block (621) is provided with the anti-slop serrations (625) of annular distribution towards the end face of mount pad (61), described anti-slop serrations (625) abuts against with the end face of mount pad (61), and it is provided with, between adjustment part and mount pad (61), the limiting section making adjustment part (62) at mount pad (61) internal fixtion.

2. ball valve according to claim 1, it is characterized in that, described mount pad (61) has offered groove (614), part (62) is regulated to be arranged in groove (614), in one end of groove (614), positive stop (613) is set, positive stop (613) has been offered breach (615), the circumference of described adjustment part (62) be provided with coordinate with breach (615) to connecing block (624), described positive stop (613) with form above-mentioned limiting section to connecing block (624).

3. ball valve according to claim 2, it is characterized in that, described adjustment part (62) also comprises the 2nd axle section (623) that the first axle section (622) being arranged in groove (614) is connected with the first axle section (622) end face, and described 2nd axle section (623) is threaded with limited block (63).

4. ball valve according to claim 2, it is characterised in that, described mount pad (61) comprise the connection block (612) being threadedly connected on valve body (1) and be connected block (612) one nut (611).

5. ball valve according to claim 3, it is characterised in that, described elasticity part (64) is sheathed in the first axle section (622), and wherein one end of elasticity part (64) is connected on limited block (63), and the other end is connected on positive stop (613).

6. ball valve according to claim 1, it is characterised in that, described elasticity part (64) is compression spring.

7. ball valve according to claim 1, it is characterised in that, described operation block (621) is for up-small and down-big round table-like, and the less end face of described operation block (621) diameter is towards mount pad (61).