CN207701816U - Ball valve - Google Patents

Abstract

The utility model is related to valve technology fields, more particularly to ball valve.A kind of ball valve, including valve body, spool, valve rod and handle, the valve body is equipped with protrusion, the spool is arranged in the valve body, described valve rod one end is connect with the spool, the other end is pierced by from the protrusion and is connect with the handle, it is rotatablely connected between the handle and the protrusion, it further include dust guard, the dust guard coats the protrusion, the dust guard connects with the handle and can be as the handle is relative to valve body rotation in the rotation of handle, there is observation window on the dust guard, first identifier is equipped between the dust guard and the protrusion circumferential direction, second identifier, when handle controls the valve body relative to valve body rotation to be turned on and off, the first identifier or second identifier are located in the observation window.The utility model has the advantage of：It operates more convenient.

Description

Ball valve

Technical field

The utility model is related to valve technology fields, more particularly to ball valve.

Background technology

On the various pipelines of the industries such as water supply, gas supply, pipeline transportation, valve has a wide range of applications.Valve it is main It act as being turned on and off for control piper.The one kind of ball valve as valve, is also widely used for every field.

Currently, printed words and arrow instruction expression are usually printed on out and/or closed on the handle of ball valve, to prompt operator Ball valve state.But the existing handle that can not intuitively show ball valve is in the location status of on or off, inconvenient for operation.

Utility model content

Based on this, it is necessary in view of the above technical problems, provide a kind of easy to operate ball valve.

In order to achieve the above objectives, the utility model uses following technical proposal：A kind of ball valve, including valve body, spool, valve Bar and handle, the valve body are equipped with protrusion, and the spool is arranged in the valve body, described valve rod one end and the spool Connection, the other end are pierced by from the protrusion and are connect with the handle, be rotatablely connected between the handle and the protrusion, also Including dust guard, the dust guard coats the protrusion, and the dust guard connect with the handle and in handle Can have observation window, the dust guard and institute in valve body rotation, the dust guard with the handle when rotation It states and is equipped with first identifier, second identifier between the circumferential direction of protrusion, when handle is turned on and off with respect to the valve body rotation control valve body When, the first identifier or second identifier are located in the observation window.

In this application, it combines and examines in window by setting first identifier, second identifier, controlled when handle is rotated relative to valve body When the valve body is turned on and off, the first identifier or second identifier are located in the observation window, to pass through the observation window It can intuitively know that the location status of the handle on or off on ball valve, operation are more convenient；Secondly, dust guard can prevent Dust etc. covers first identifier, second identifier, efficiently avoids the abrasion and failure of first identifier, second identifier.

The dust guard includes dust cover in one of the embodiments, and the observation window is set on the dust cover, The dust cover is set between the protrusion and the handle, the opening of the dust cover be directed away from one end of the handle and The first identifier and second identifier are coated.

Marking plate, first mark are equipped between the dust cover and the protrusion circumferential direction in one of the embodiments, Know and second identifier compartment of terrain is set on the marking plate, the marking plate is housed in the dust cover.

Third mark and the 4th mark on the marking plate in one of the embodiments, the neighbouring institute of third mark First identifier setting is stated, the neighbouring second identifier of the 4th mark is arranged.

The marking plate is annular in shape in one of the embodiments, the marking plate be set in the circumferential direction of protrusion and with institute State valve body clamping connection.

Marking plate is not only easy for installation by being clamped with the valve body, and convenient for the replacement of marking plate.

The marking plate has an opposite first end and second end in one of the embodiments, and the of the marking plate The inner end of one end has card interface, and clamping portion on the valve body, the card interface is stuck on the clamping portion, the marking plate Second end is resisted against on the valve body.

The first identifier is equipped with one layer of first alert layer in one of the embodiments, is set in the second identifier There is one layer of second alert layer.

First alert layer and the second alert layer are set, are turned on and off when handle controls the valve body relative to valve body rotation When, the first identifier or second identifier are located in the observation window, can further improve first identifier, second identifier can Degree of opinion allows the operator to the location status for intuitively and easily obtaining handle.

The cross section of the observation window is in any one in fan-shaped, circle, polygon in one of the embodiments,.

The handle is turned on and off the angle of rotation and the first mark of valve body relative to valve body rotation in one of the embodiments, Angle between described in knowledge, second identifier is equal.

The observation window is covered with transparent material layer in one of the embodiments,.

By the way that transparent material layer is arranged, the transparent material layer covers the observation window, can not only prevent dust etc. from Window covering enters, while not influencing the position that operator obtains first identifier, second identifier again.

Compared with prior art, it is the advantages of this ball valve：

By the way that first identifier is arranged, second identifier is combined and is examined in window, is opened when handle controls the valve body relative to valve body rotation When opening or closing, the first identifier or second identifier are located in the observation window, thus can be intuitively by the observation window Know that the location status that the handle 50 on ball valve 100 opens or closes, operation are more convenient；Secondly, dust guard can prevent dust It is covered Deng by first identifier, second identifier, efficiently avoids the abrasion and failure of first identifier, second identifier.

Description of the drawings

Fig. 1 is the structural schematic diagram of ball valve provided by the utility model.

Fig. 2 is the side view of ball valve provided by the utility model.

Fig. 3 is sectional view at A-A in Fig. 2 provided by the utility model.

Fig. 4 is ball valve explosive view provided by the utility model.

Fig. 5 is the structural schematic diagram of marking plate provided by the utility model.

Fig. 6 is the structural schematic diagram of dust cover provided by the utility model.

In figure, ball valve 100, valve body 10, clamping portion 12, spool 20, valve rod 30, valve seat 40, handle 50, turns to protrusion 11 Mark 51, dust guard 60, observation window 61, dust cover 62, the first mounting hole 621, marking plate 70, first identifier 71, first are warned Show that layer 710, second identifier 72, the second alert layer 720, third identify the 73, the 4th mark 74, the first end 75 of marking plate, clamping Mouth 750, the second end 76 of marking plate, valve pocket 80.

Specific implementation mode

Ball valve is described more fully below with reference to relevant drawings for the ease of understanding the utility model,.Attached drawing In give the preferred embodiment of ball valve.But ball valve can be realized in many different forms, however it is not limited to be retouched herein The embodiment stated.Keep the disclosure to ball valve more thorough and comprehensive on the contrary, purpose of providing these embodiments is.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model The normally understood meaning of technical staff in domain is identical.It is intended merely to describe in the term used in the description of ball valve herein The purpose of specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein include one or Any and all combinations of multiple relevant Listed Items.

As shown in Figure 1 to Figure 3, the present embodiment provides a kind of ball valves 100, including valve body 10, spool 20, valve rod 30, valve seat 40 and handle 50.The outer wall of the valve body 10 is equipped with is equipped with protrusion 11 vertically.It is offered on the protrusion 30 and valve body 10 The through-hole of inside connection.The spool 20 is arranged in the valve body 10, and 30 one end of the valve rod is connect with the spool 20, separately One end is pierced by from from the through-hole on protrusion 11 and is connect with the handle 50, is tightly connected between valve rod 30 and through-hole.Handle It is detachably connected by nut between 50 and valve rod 30.It is rotatablely connected between the handle 50 and the protrusion 11.That is, handle 50 Can opposite lug 11 rotate, and under the drive of handle 50, valve rod 30 follows handle to rotate, and is turned on and off with band movable valve plug 20 Valve.

Further, which further includes dust guard 60, and the dust guard 60 coats the protrusion 11.Institute Dust guard 60 is stated to connect with the handle 50 and can be as the handle 50 is with respect to 10 turns of valve body in the rotation of handle 50 It is dynamic.There is observation window 61 on the dust guard 60.The first mark is equipped between 11 circumferential direction of the dust guard 60 and the protrusion Know 71, second identifier 72.When handle 50 controls the valve body 10 relative to the rotation of valve body 10 to be turned on and off, the first identifier 71 or second identifier 72 be located in the observation window 61, to can intuitively be known on ball valve 100 by the observation window 61 The location status that handle 50 opens or closes, in order to operate.

Specifically, referring to Fig. 4, Fig. 6, dust guard 60 includes dust cover 62, and the observation window 61 is opened in described dust-proof On cover 62.The dust cover 62 is set between the protrusion 11 and the handle 50 and is connect with the handle 50.When handle 50 When being rotated relative to valve body 10, dust cover 62 is rotated also with handle 50.

Further, 62 one end open of the dust cover is arranged.The opening of the dust cover 62 is directed away from the handle 50 one end and the first identifier 71 and second identifier 72 are coated.The other end of dust cover 62 offers and dust cover 62 First mounting hole 621 of inside connection.First mounting hole 621 is for the connection between the handle 50, to realize Rotational handle 50 is to drive dust cover 62 to be rotated relative to the valve body 10.

Preferably, first mounting hole 621 is waist-shaped hole, and the inner surface of the handle 50 is equipped with the first protrusion 41.Institute It states the first protrusion 41 and matches setting with first mounting hole 621.

The cross section of the dust cover 62 is in U-typed.

Further, marking plate 70 is equipped between 11 circumferential direction of the dust cover 62 and the protrusion.Marking plate 70 be used for The observation window 61 matches, so that operator intuitively obtains the location status of handle 50.

Specifically, referring to Fig. 5, the marking plate 70 is equipped with first identifier 71 and second identifier 72.The first identifier 71 and second identifier 72 be positioned apart from.Marking plate 70 is housed in the dust cover 62.To under the action of dust cover 62 Prevent dust etc. by marking plate 70 first identifier 71 and second identifier 72 cover.

Further, the first identifier 71 and second identifier 72 are used to indicate 20 state of spool in valve body 10, table Show being turned on and off for spool 20.Certainly, first identifier 71 is specifically to indicate that the unlatching of spool 20 is still closed, can be according to tool It requires to body to design.20 state of spool represented by the first identifier 71 and second identifier 72 is relative status.When the first mark When knowing the unlatching that 71 indicate spool 20, then second identifier 72 means that the closing of spool 20.When first identifier 71 indicates spool When 20 closing, then second identifier 72 means that the unlatching of spool 20.

In the present embodiment, the first identifier 71 indicates that the spool 20 in the valve body 10 is in open state；It is described Second identifier 72 indicates that the spool 20 in the valve body 10 is closed.That is, the handle 50 is rotated relative to valve body 10, make The dust cover 62 follows handle to rotate, and when first identifier 71 is in the observation window, instruction is in the valve body 10 Spool 20 is in open state.When second identifier 72 is in the observation window, instruction is spool 20 in the valve body 10 In open state.

Further, described in the first identifier 71 and second identifier 72 between angle be equal to the handle 50 with respect to valve Body 10 rotates the angle of rotation for being turned on and off valve body 10.That is, ensureing that the handle 50 is turned on and off valve relative to the rotation of valve body 10 When body 10, it is mutually matched with the first identifier 71 or second identifier 72.

Further, third mark 73 and the 4th mark 74 on the marking plate 70, the third mark 73 are neighbouring described First identifier 71 is arranged, and the 4th mark 74 is arranged adjacent to the second identifier 72.The 73, the 4th mark 74 of third mark For indicating that valve 20 is in " complete " unlatching or " complete " closed state.

Preferably, 73 and the 4th mark 74 of the third mark is corresponded with the first identifier 71 and second identifier 72 Setting.When first identifier 71 indicates that spool 20 is open state, three mark 73 indicates " complete " unlatching of spool 20.When When first identifier 71 indicates that spool 20 is in off state, the third mark 73 indicates " complete " closing of spool 20.Equally, institute It is corresponding with the state of second identifier 72 to state the 4th mark 74, and plays corresponding pass of the correspondence with the mark of first identifier 71 and three 73 System is consistent.Therefore, correspondence, then this repeats no more.

In the present embodiment, it is to be understood that valve 20, which is in " complete " open state, refers to the ball valve 100 Import and outlet between the area that is connected to it is maximum.Valve 20 is in " complete " closed state the valve for referring to the ball valve 100 While door is closed, the handle 50 cannot rotate relative to valve body 10 and close valve.

Further, the first identifier 71 is equipped with one layer of first alert layer 710, and the second identifier 72 is equipped with one The second alert layer 720 of layer.By the way that the first alert layer 710 and the second alert layer 720 is arranged, when 50 relative to the rotation control of valve body 10 When the valve body 10 is turned on and off, the first identifier 71 or second identifier 72 are located in the observation window 61, can be further Ground improves first identifier 71, the visibility of second identifier 72, from allowing the operator to more intuitively and easily obtain handle 50 Location status.

Preferably, first alert layer 710, the second alert layer 720 printed respectively by using different pigment or Coated in the first identifier 71, second identifier 72.

Specifically, the first alert layer 710, the second alert layer 720 printed respectively using red either green pigment or Coated in first identifier 71, second identifier 72

A more step, specifically the color of the first alert layer 710 is determined according to state represented by first identifier 71.Example Such as, first identifier 71 indicates that the open state of valve, first alert layer 710 are the color-printed using green or are coated in In first identifier 71, to prompt operator, at this point, valve is in open state.First identifier 71 indicates the open state of valve, So second identifier 72 indicates the closed state of valve, and the second alert layer 720 is using red color-printed or coated in second In mark 72, to warn or prompt operator, at this point, valve is closed.Certainly, first alert layer 710, second The color of the specific pigment of alert layer 720 again this do not limit, can only be reached depending on actual design requirement To prompt or warning.

Further, referring to Fig. 4, Fig. 5, marking plate 70 is annular in shape.The protrusion 11 is cylindrical.70 sets of the marking plate It is located at the circumferential direction of protrusion 11 and is clamped with the valve body 10 and connected, to realize detachable the connecting of 10 circumferential direction of marking plate 70 and valve body It connects.

Specifically, the marking plate 70 has opposite first end 75 and second end 76, the first end of the marking plate 70 75 inner end has card interface 750, and clamping portion 12 on the valve body 10, the card interface 750 is stuck on the clamping portion 12, institute The second end for stating marking plate 70 is resisted against on the valve body 10.So that marking plate 70 is fixed on valve body 10.

Further, the clamping portion 12 is set to the junction between the protrusion 11 and the valve body 10.The clamping Portion 12 is in step-like, and the card interface 750 is notch.When installation, card interface 750 rides on the step of clamping portion 12.

In another embodiment, the first end 75 of the marking plate 70 is equipped with blocked hole, has on the valve body 10 Clip-connecting rod.The clip-connecting rod is inserted into blocked hole, is detachably connected with realizing that marking plate 70 and valve body 10 are circumferential.

In the present embodiment, referring to Fig. 6, the shape of the observation window 61 is unlimited, as long as disclosure satisfy that through the observation window 61 can be on the visual marking plate 70 mark

Optionally, the cross section of observation window 61 can be any one in sector, circle, polygon.Polygon includes： Quadrangle, pentagon, hexagon etc..

Preferably, the cross section of the observation window 61 is in sector.

Further, there is transparent material layer in the observation window 61.The transparent material layer closes observation window 61, to keep away Exempt from dust etc. to rush in the interior entrance dust cover 62 of observation window 61, the coverings such as first identifier 71, second identifier 72 influence to operate.

Preferably, the transparent material layer is made of clear material.The specific transparent material includes glass, PC, PMMA, PP Deng.

Certainly, the purpose of above-mentioned setting transparent material layer is to enter dust cover 62 in observation window 61 to prevent dust etc. from rushing It is interior.But it is also not necessarily limited to a kind of this above-mentioned embodiment.For example, removable cover is arranged on the dust cover 62, by observation window 61 Gai He can also realize above-mentioned purpose.

In the present embodiment, the outer surface of the handle 50, which is equipped with, turns to mark 51, and steering mark 51 is used to indicate institute It states handle 50 and rotates the rotation direction for being turned on and off valve.

In the present embodiment, as shown in figure 3, the ball valve 100 further includes valve pocket 80, the valve pocket 80 is set to the dust cover Magnetic lock construction is equipped between 62 and the protrusion 11, between the valve pocket 80 and the protrusion 11, the magnetism lock construction is used Handle 50 described in locking.

Specifically, valve pocket 80 is equipped with the second mounting hole 81 that axis is overlapped with 621 axis of the first mounting hole, the valve rod 30 one end far from spool 20 successively the through-hole on the protrusion 11, the second mounting hole 81, the first mounting hole 621 be pierced by with it is described Handle 50 is fixedly connected.The outer surface of the valve pocket 80 is equipped with connection bump 82, and the connection bump 82 is stuck in the dust cover In the first mounting hole 621 on 62.The handle 50, the valve pocket 80 and dust cover 62 is rotated to rotate coaxially with handle 50.

Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of ball valve, including valve body, spool, valve rod and handle, the valve body is equipped with protrusion, and the spool is arranged in institute It states in valve body, described valve rod one end is connect with the spool, and the other end is pierced by from the protrusion and is connect with the handle, institute It states and is rotatablely connected between handle and the protrusion, which is characterized in that further include dust guard, the dust guard is by the protrusion Cladding, the dust guard connected with the handle and in the rotation of handle can with the handle relative to valve body rotation, There is observation window on the dust guard, first identifier, second identifier are equipped between the dust guard and the protrusion circumferential direction, When handle controls the valve body relative to valve body rotation to be turned on and off, the first identifier or second identifier are located at the observation In window.

2. ball valve according to claim 1, which is characterized in that the dust guard includes dust cover, and the observation window is set In on the dust cover, the dust cover is set between the protrusion and the handle, and the opening of the dust cover is directed away from One end of the handle and the first identifier and second identifier are coated.

3. ball valve according to claim 2, which is characterized in that be equipped with mark between the dust cover and the protrusion circumferential direction Plate, the first identifier and second identifier compartment of terrain are set on the marking plate, and the marking plate is housed in the dust cover.

4. ball valve according to claim 3, which is characterized in that third mark and the 4th mark on the marking plate, it is described The neighbouring first identifier of third mark is arranged, and the neighbouring second identifier of the 4th mark is arranged.

5. ball valve according to claim 3, which is characterized in that the marking plate is annular in shape, and the marking plate is set in convex The circumferential direction in portion is simultaneously clamped connection with the valve body.

6. ball valve according to claim 4, which is characterized in that the marking plate has opposite first end and second end, The inner end of the first end of the marking plate has card interface, and clamping portion on the valve body, the card interface is stuck in the clamping portion On, the second end of the marking plate is resisted against on the valve body.

7. ball valve according to claim 1, which is characterized in that the first identifier is equipped with one layer of first alert layer, institute It states second identifier and is equipped with one layer of second alert layer.

8. ball valve according to claim 1, which is characterized in that the cross section of the observation window is in fan-shaped, round, polygon In any one.

9. ball valve according to claim 1, which is characterized in that the handle is turned on and off valve body relative to valve body rotation Angle of rotation with described in first identifier, second identifier between angle it is equal.

10. according to the ball valve described in claim 1-9 Arbitrary Terms, which is characterized in that the observation window is covered with transparent material layer.