CN207661206U - The fool proof safeguard construction of ball valve opening and closing - Google Patents

Abstract

A kind of fool proof safeguard construction of ball valve opening and closing, sets included in group in the shaft orientation flowing channel of a valve body and wears a shaft in a sphere and radial through-hole, and the blocking part of shaft is then embedded in the groove of sphere top surface；One is equipped with the locating piece of locating slot, locks in the end of shaft；One movable handle, one end are nested with hole and a blocking plate equipped with one, are nested in hole and are equipped with an embedded block；Embedded block can be inserted into locating slot by operator, and operant activity formula handle, which rotates in the forward direction, makes sphere close shaft orientation flowing channel, then blocking plate will be caught in the limited block lower edge of valve body, and movable handle is made to be fastened on valve body；The reverse rotation of operant activity formula handle makes sphere open shaft orientation flowing channel, and blocking plate will recess the limitation of limited block, and movable handle can be detached from the valve body.Since the utility model is when needing to turn off shaft orientation flowing channel, movable handle side is placed into, and in the state of shutdown, movable handle is then fastened on valve body and can not take out.The utility model has the returns of investment of fool proof.

Description

The fool proof safeguard construction of ball valve opening and closing

Technical field

The utility model is a kind of related ball valve, espespecially movable handle of the application equipped with blocking plate, it is made to close valve The characteristic of valve body can not be detached from when door, to reach the fool proof safeguard construction for preventing a kind of ball valve of maloperation to be opened and closed.

Background technology

Ball valve is from plug valve differentiation, its opening and closing element is a sphere, and ball valve is to follow shaft using sphere 90 degree of rotations are to reach the keying of valve.Ball valve is mainly used for the cut-out, distribution of fluid in pipeline and changes flow direction, and ball valve is not only Simple in structure, leakproofness is good and driving torsion is small, it is easy to operate, more can fast opening and closing, be most expansionary in recent years Valve；Especially in American-European industrial country, the use of ball valve is mostly towards high temperature, the direction of high pressure, big mouth warp and high leakproofness Development, and have the tendency that gradually replacing gate valve, shut-off valve, regulating valve.

Also, general common ball valve, as shown in Figure 1, it includes：One first valve body 10 has one first accommodating sky Between 15 and the radial through-hole 12 that communicates therewith, the side of first shell 10 be combined with a second shell 20, have one second Accommodating space 25, and it is made to be connected to first accommodating space 15, a sphere 70 has an open-work 71, and the top of the sphere End is equipped with a groove 72, which is located in first accommodating space 15 and second accommodating space 25, and its both ends point Not She You a ball pad 75 and a shaft 30, be hubbed in the radial through-hole 12, lower end have a blocking part 31, with the ball The groove 72 of body 70 combines, and a fixed handle 55 is fixed in 30 upper end of shaft with nut lock 56, to rotate 30 band of shaft The rotation for moving the sphere 70, to reach the keying of ball valve runner.

Furthermore for ball valve because of the case where easy to operate, operating personnel is easy carelessness and mistake is caused to be opened and closed, less serious case causes wealth Business loss, it is unexpected that severe one then derives work peace；Operating personnel improperly operates some dealers in order to prevent, and extension can be often hung on pipeline Board marks the opening and closing time of specific ball valve, and operating personnel can follow, to reach the generation for preventing mistake；It is but listed and holds Easily fall or operating personnel is indiscreet and negligent, so the situation of faulty operation can still occur, therefore it is this hope personnel abide by the regulations with Avoid the measure of accident unsatisfactory.

Utility model content

Technical problem underlying to be solved in the utility model is, overcomes drawbacks described above of the existing technology, and carries For a kind of fool proof safeguard construction of ball valve opening and closing, under the premise of without changing valve inner component, via change handle knot Structure is to prevent man-made failure operation；Application activity formula handle makes it that can not remove handle in the case where closing valve state.

Technical solution adopted by the utility model to solve its technical problems is：

A kind of fool proof safeguard construction of ball valve opening and closing is the axle end installing positioning piece on the outside of general ball valve body An and movable handle；Wherein, the locating piece, lower end are equipped with a sets of holes, and the flange of periphery is equipped with an at least lockhole and one The sets of holes are sheathed on the upper end of the shaft, and lock the lockhole with set screw by locating slot, then the locating piece can be enabled to be installed in The end of shaft；The movable handle is in one end is handle, and the other end is then nested with hole and a blocking plate equipped with one, and this is nested with An embedded block corresponding with the locating slot is equipped in hole.

Whereby, when the ball valve needs to turn off its shaft orientation flowing channel, the embedded block of the movable handle can be inserted by operator In the locating slot, so that this is nested with hole and be nested on the flange of the locating piece, the hand-held handle, which rotates in the forward direction the shaft, makes the sphere The shaft orientation flowing channel is closed, then the blocking plate will be caught in the lower edge of the limited block, and the movable handle is made to be fastened on the valve body On；The sphere is set to open the shaft orientation flowing channel when operator holds the handle and reversely rotates the shaft, which will then recess this The limitation of limited block, the movable handle can be removed and be detached from the valve body.

According to before taking off feature, in the utility model the movable handle its be nested with the outer rim in hole and be also nested with a bite word and go to fall down The protection cap of one horizontal shape of face, which is then placed in a sheet metal, and the apical margin of the locating piece is further installed One flat thin magnet；Whereby, when the embedded block of the movable handle is inserted into the locating slot, which will adsorb the sheet metal, make The protection cap can limit the movable handle and be loosened from the flange of the locating piece.

By feature is preceding taken off, a kind of fool proof safeguard construction of ball valve opening and closing of the utility model has following benefit：

(1) locating piece provided in the utility model and movable handle are the components belonged on the outside of ball valve body, when need When having fool proof measure, without the ball valve in the system of blinding off a line or replacement pipeline, as long as removing the nut of ball valve shaft upper end With handle, then by the locating piece lock in shaft upper end, you can on opportunity in need, being placed in the movable handle can carry out The shutdown operation of ball valve；Therefore the utility model has the returns of investment of fool proof.

(2) the movable handle of the utility model is because being equipped with blocking plate, in the pass for rotating movable handle progress ball valve When closing operation, which will be caught under the limited block of valve body, make the movable handle that can not be detached from the valve body, therefore visual Under mood, the valve body that is not equipped with movable handle is the state opened, and is equipped with the axial movable handle person at 90 degree then The state necessarily closed, therefore the structure of the utility model has directly visual fool proof benefit.

The utility model has the beneficial effects that it is under the premise of without changing valve inner component, via changing handle Structure is to prevent man-made failure operation；Application activity formula handle makes it that can not remove handle in the case where closing valve state.

Description of the drawings

The utility model is further illustrated with reference to the accompanying drawings and examples.

Fig. 1 is the sectional view of general existing ball valve.

Fig. 2 is the stereogram of the utility model locating piece and movable handle.

Fig. 3 is the exploded perspective view one of the utility model fool proof safeguard construction.

Fig. 4 is the assembling schematic diagram of the utility model fool proof safeguard construction.

Fig. 5 is the combination stereogram of the utility model fool proof safeguard construction.

Fig. 6 is the operation chart of the utility model fool proof safeguard construction.

Fig. 7 is the exploded perspective view two of the utility model fool proof safeguard construction.

Fig. 8 is the schematic diagram of the utility model Application Example.

Figure label explanation：

10：First valve body

11：Shaft orientation flowing channel

12：Radial through-hole

13：Limited block

20：Second shell

21：Shaft orientation flowing channel

30：Shaft

40：Locating piece

41：Sets of holes

42：Flange

43：Lockhole

44：Locating slot

45：Set screw

46：Flat thin magnet

50：Movable handle

51：Handle

52：It is nested with hole

53：Blocking plate

54：Embedded block

60：Protection cap

61：Sheet metal

100：The ball valve of fool proof safeguard construction

Specific implementation mode

It is the structure of the utility model locating piece and movable handle shown in Fig. 2；Wherein, the locating piece 40, lower end is equipped with a sets of holes 41, and the flange 42 of periphery is equipped at least a lockhole 43 and a positioning groove 44；The movable handle 50, one end is handle 51, and the other end is then nested with hole 52 and a blocking plate 53 below equipped with one, and this is nested in hole 52 Equipped with an embedded block corresponding with the locating slot 44 54.

Shown in Fig. 3~Fig. 5, assembles the utility model locating piece 40 for general ball valve and movable handle 50 constitutes to have and prevent The ball valve 100 of slow-witted safeguard construction；Wherein, general ball valve includes one first valve body 10, has a shaft orientation flowing channel 11 and a radial direction The outer rim of through-hole 12, the radial through-hole 12 is equipped with a limited block 13；One second shell 20 also has a shaft orientation flowing channel 21, Side is combined with first valve body 10, and its shaft orientation flowing channel 11/21 is made to be connected, a sphere (not shown), both ends difference Equipped with a ball pad (not shown), two component groups are set in the accommodating space (not shown) of first valve body 10 and second shell 20, And a shaft 30, it is hubbed in the radial through-hole 12 of first valve body 10, and its lower end has a blocking part (not shown), What is made in the groove (not shown) of the embedded sphere is combined；Then 90 degree of 30 forward and reverse rotation of shaft will be such that the sphere closes Or open the shaft orientation flowing channel 11/21.

General ball valve still includes a fixed handle, is locked in the 30 upper end (not shown) of shaft with nut, rotation should Shaft 30 will drive the rotation of the sphere；It is anti-to reach in order to assemble the locating piece 40 and movable handle 50 of the utility model Slow-witted effect, ball valve must first remove the nut and fixed handle, then the sets of holes 41 of the locating piece 40 are sheathed on the shaft 30 Upper end, and the lockhole 43 is locked with set screw 45, so that the locating piece 40 is installed in the end of shaft 30, as shown in Figure 4.

When the ball valve needs to turn off its shaft orientation flowing channel, the embedded block 54 of the movable handle 50 can be inserted into the locating slot In 44, so that this is nested with hole 52 and be nested on the flange 42 of the locating piece 40, as shown in Figure 5；Further referring to as shown in fig. 6, The handle 51 is held, rotating forward the movable handle 50 keeps it axial at 90 degree with valve body, then the shaft 30 will drive the ball Body rotates and then closes the shaft orientation flowing channel 11/21, and the blocking plate 53 of the movable handle 50 will be caught in the limited block 13 at this time Lower edge, and the movable handle 50 is made to be fastened on first valve body 10；This is rotated backward when operator holds the handle 51 Fool proof handle 50 keeps it axially parallel with valve body, then the shaft 30 will drive the sphere to rotate and then open the shaft orientation flowing channel 11/ 21, at this time the blocking plate 53 of the movable handle 50 will recess the limitation of the limited block 13, then the movable handle 50 It is removed and is detached from first valve body 10.

The movable handle of this in the utility model 50 its be nested with the outer rim in hole 52 and be also nested with a bite word and remove following one horizontal shape Protection cap 60, which is then placed in a sheet metal 61, and the apical margin of the locating piece 40 is further installed One flat thin magnet 46；When the embedded block 54 of the movable handle 50 is inserted into the locating slot 44 of the locating piece 40, which will The sheet metal 61 can be adsorbed, makes the protection cap 60 that can limit the movable handle 50 and is loosened from the flange 42 of the locating piece 40, As shown in Figure 7.

It is the Application Example of the utility model shown in Fig. 8, is to transport different fluid a to processing procedure with parallel pipeline to set It is standby, a ball valve is then distinctly installed on the parallel pipeline, and require the parallel pipeline that must not simultaneously close off on processing procedure, to prevent the system Journey equipment causes the damage of its high-value product because interrupting the supply of fluid；Therefore it is necessary to each on A, B pipeline arranged side by side It Zhuan She not a ball valve 100 with fool proof safeguard construction.The two groups of balls that will first be installed on former pipeline are needed in this application embodiment Valve removes the nut of its shaft upper end and fixed handle, then the locating piece 40 in the utility model is installed in shaft together 30 end, and the movable handle 50 of one group of the utility model is allotted to the pipe-line system；When A pipelines therein need to close When, then the movable handle 50 is nested on the locating piece 40, the movable handle 50 is rotated forward into 90 degree, then the A is managed Road is closed；Due to the movable handle 50 only have one group, and its blocking plate 53 be caught in limited block 13 lower edge and can not It is removed, therefore can avoid the parallel pipeline and be closed simultaneously, and achieve the effect that fool proof.

It is the component belonged on the outside of ball valve body due to the locating piece 40 and movable handle 50 of the utility model, when needing have When standby fool proof measure, without the ball valve in the system of blinding off a line or replacement pipeline, as long as removing the nut of 30 upper end of ball valve shaft It is secured to formula handle, then the locating piece 40 is locked in 30 upper end of shaft, you can on opportunity in need, it is movable to be placed in this Handle 50 can carry out the shutdown operation of ball valve, therefore the utility model has the returns of investment of fool proof.Furthermore the utility model Movable handle 50 because being equipped with blocking plate 53, rotate the movable handle 50 carry out ball valve closing operation when, the blocking Plate 53 will be caught under the limited block 13 of valve body, make the movable handle 50 that can not be detached from the valve body, therefore under visual mood, not The valve body for being equipped with movable handle 50 is the state opened, and is equipped with the axial movable handle at 90 degree then necessarily The state of closing, therefore the structure of the utility model has directly visual fool proof benefit.

The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model Limitation, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations with Modification, is still within the scope of the technical solutions of the present invention.

In conclusion the utility model in structure design, using on practicability and cost-effectiveness, comply fully with industry development It is required, and revealed structure is also to have unprecedented innovative structure, has novelty, creativeness, practicability, meeting has The regulation of utility model patent important document is closed, therefore lifts application in accordance with the law.

Claims (2)

1. a kind of fool proof safeguard construction of ball valve opening and closing, including a valve body, have a shaft orientation flowing channel and a radial through-hole；It should Group sets a sphere in shaft orientation flowing channel, and the outer rim of the radial through-hole is equipped with a limited block；One shaft is arranged in the radial through-hole It is interior, and its lower end has a blocking part, is embedded in the groove of the sphere top surface, enables 90 ° of the shaft forward and reverse rotation, can make The sphere turns off or on the shaft orientation flowing channel；It is characterized in that：

Including positioning piece, lower end is equipped with a sets of holes, and the flange of periphery is equipped at least a lockhole and a positioning groove, by the set Hole is sheathed on the upper end of the shaft, and locks the lockhole with set screw, then the locating piece can be enabled to be installed in the end of shaft；

One movable handle, one end are handle, and the other end is then nested with hole and a blocking plate equipped with one, and this is nested in hole and is equipped with One embedded block corresponding with the locating slot；

Whereby, when the ball valve needs to turn off its shaft orientation flowing channel, the embedded block of the movable handle can be inserted into the locating slot, Make this be nested with hole to be nested on the flange of the locating piece, the hand-held handle, which rotates in the forward direction the shaft, makes the sphere close axial direction stream Road, then the blocking plate will be caught in the lower edge of the limited block, and the movable handle is made to be fastened on the valve body；It is held when holding this The sphere is set to open the shaft orientation flowing channel the shaft is reversely rotated, which will then recess the limitation of the limited block, the work Dynamic formula handle can be removed and be detached from the valve body.

2. the fool proof safeguard construction of ball valve opening and closing according to claim 1, which is characterized in that described its set of movable handle The outer rim for setting hole is also nested with the protection cap that a bite word removes following one horizontal shape, which is then placed in a sheet metal, And the apical margin of the locating piece further one flat thin magnet of installing；Whereby, when the embedded block of the movable handle is inserted into the locating slot When, which will adsorb the sheet metal, makes the protection cap that can limit the movable handle and is loosened from the flange of the locating piece.