CN205639648U - Slot signal butterfly valve - Google Patents

Abstract

The utility model provides a slot signal butterfly valve belongs to valve technical field, which comprises the following components: a valve body, transmission, butterfly plate and signal conversion equipment, the valve body includes the worm gear case, rod cover and disk seat, the rod cover both ends respectively with the worm gear case, the disk seat is connected, the disk seat forms both ends open -ended liquid -conducting channel, the butterfly plate is located in the liquid -conducting channel, transmission includes intermeshing's worm wheel and worm, the worm is rotated with the worm gear case and is connected, be equipped with vertical shaft in the rod cover, worm wheel and butterfly plate all are fixed in on the vertical shaft, signal conversion equipment includes cam and micro -gap switch, micro -gap switch is fixed in on the worm gear case, the cam is fixed in on the worm wheel, be equipped with annular slot on the lateral wall of the both ends opening part of disk seat. Set up annular slot on the disk seat after, the mode of accessible connecting piece joint installs disk seat and pipe connections, dismantle the convenience, can not occupy too big space after the installation.

Description

A kind of groove signal butterfly valve

Technical field

This utility model relates to valve technology field, in particular to a kind of groove signal butterfly Valve.

Background technology

Butterfly valve is the regulation valve of a kind of simple in construction, and butterfly valve opening and closing element is discoidal butterfly plate, logical Cross butterfly plate in valve body, rotate the purpose that can reach keying or regulate.Butterfly valve is typically by worm gear, snail Bar rotates as actuator drives butterfly plate.Signal butterfly bamper is then to increase on the basis of butterfly valve Microswitch, the two states of the open and close two states correspondence microswitch of butterfly plate, passes through The open and close signal of butterfly plate can be spread out of by microswitch.

Existing Signal butterfly bamper all uses ring flange with docking of pipeline, and this connected mode is passed through A lot of bolts meet fastness after it connects, and install, dismantle and take time and effort, take sky simultaneously Between relatively big, there is during actual installation certain limitation.

Utility model content

The purpose of this utility model is to provide a kind of groove signal butterfly valve, to improve above-mentioned asking Topic.

This utility model is achieved in that

A kind of groove signal butterfly valve, including valve body, actuating device, butterfly plate and chromacoder, Valve body includes that worm gear case, bar set and valve seat, bar set two ends are connected with worm gear case, valve seat respectively, Valve seat forms the liquid-conveying ducts of both ends open, and butterfly plate is located in liquid-conveying ducts, and actuating device includes Intermeshing worm gear and worm screw, worm and wheel case is rotationally connected, and is provided with and vertically turns in bar set Axle, worm gear and butterfly plate are both secured in vertical rotating shaft, and chromacoder includes cam and fine motion Switch, microswitch is fixed on worm gear case, and cam is fixed on worm gear, and the two ends of valve seat are opened Lateral wall at Kou is provided with ring-shaped groove.

Preferably, the space outside of valve seat is provided with first annular projection and the second annular protrusion, Ring-shaped groove is formed between first annular projection and the second annular protrusion.

Preferably, on the axial direction of valve seat, first annular projection is close compared with the second annular protrusion In bar set, the width of the second annular protrusion is more than the width of first annular projection.

Preferably, the exterior contour of first annular projection is circular arc.

Preferably, valve seat is provided with connection assembly, connects assembly and includes collar and sealing ring, card Circle includes that the 3rd annular protrusion extended internally and the fourth annular extended internally are protruding, the 3rd ring Shape is protruding convexes to form first annular groove with fourth annular, and first annular groove is located at by sealing ring In, the 3rd annular protrusion is stuck in ring-shaped groove.

Preferably, sealing ring includes the 5th annular protrusion extended internally and the extend internally the 6th Annular protrusion, the 5th annular protrusion and the 6th annular protrusion form the second annular groove, five rings Shape projection is stuck in ring-shaped groove.

Preferably, sealing ring includes the 5th annular protrusion extended internally and the extend internally the 6th Annular protrusion, the 5th annular protrusion and the 6th annular protrusion form the second annular groove, seal The width of circle matches with the width of first annular groove, the width of the 3rd annular protrusion and annular The width of groove matches.

Preferably, collar being provided with multiple extrusion, extrusion is spirally connected with collar, extrusion Length direction identical with the radial direction of sealing ring, one end of extrusion and sealing ring are conflicted.

Preferably, collar includes upper semi-body and lower semi-body, and the two ends of upper semi-body are provided with and stretch out The first connecting plate, the two ends of lower semi-body are provided with second connecting plate that stretches out, the first connecting plate It is connected by fixture with the second connecting plate.

Preferably, worm gear includes the rounded portions for being connected with vertical rotating shaft and for nibbling with worm screw The scallop closed, worm gear case is provided with the first locating part and the second locating part, and scallop includes the One positive stop end and the second positive stop end, when the first positive stop end and the first locating part are conflicted, butterfly plate position In open position, when the second positive stop end and the second locating part are conflicted, butterfly plate is positioned at closed position.

The beneficial effects of the utility model are:

This utility model provides a kind of groove signal butterfly valve, and valve seat is used for docking with other pipe fittings, After on valve seat, ring-shaped groove is set, can by the way of connector clamping by valve seat with pipe fitting even Connect, installation, convenient disassembly, too large space after installation, will not be taken.Additionally, annular ditch Groove also has certain sealing function.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to enforcement In example, the required accompanying drawing used is briefly described, it will be appreciated that the following drawings only illustrates Some embodiment of the present utility model, is therefore not construed as the restriction to scope, for From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to root Other relevant accompanying drawings are obtained according to these accompanying drawings.

The structural representation of the groove signal butterfly valve that Fig. 1 provides for this utility model embodiment 1；

The top view of the groove signal butterfly valve that Fig. 2 provides for this utility model embodiment 1；

The section view of the worm gear case of the groove signal butterfly valve that Fig. 3 provides for this utility model embodiment 1 Figure；

The scheme of installation of the groove signal butterfly valve that Fig. 4 provides for this utility model embodiment 1；

The structure of the collar of the groove signal butterfly valve that Fig. 5 provides for this utility model embodiment 1 is shown It is intended to；

The scheme of installation of the groove signal butterfly valve that Fig. 6 provides for this utility model embodiment 2.

In figure, reference is:

Valve body 10；Worm gear case 100；Casing 101；Case lid 102；Bar set 110；Vertically turn Axle 111；Valve seat 120；Liquid-conveying ducts 121；Actuating device 20；Worm gear 200；Rounded portions 201；Scallop 202；First locating part 203；Second locating part 204；First positive stop end 205； Second positive stop end 206；Worm screw 210；Butterfly plate 30；Chromacoder 40；Microswitch 400；Cam 410；Arc sections 411；Line part 412；Ring-shaped groove 50；First annular convex Play 510；Second annular protrusion 520；Connect assembly 60；Collar 600；Upper semi-body 601； Lower semi-body 602；First connecting plate 603；Second connecting plate 604；Fixture 605；3rd ring Shape projection 606；Fourth annular projection 607；First annular groove 608；Sealing ring 610；The Five annular protrusions 611；6th annular protrusion 612；Second annular groove 613；Extrusion 70.

Detailed description of the invention

For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below The accompanying drawing in this utility model embodiment will be combined, to the technical side in this utility model embodiment Case is clearly and completely described, it is clear that described embodiment is this utility model one Divide embodiment rather than whole embodiments.Generally herein described in accompanying drawing and the basis that illustrates The assembly of utility model embodiment can be arranged with various different configurations and design.

Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings also It is not intended to be limiting claimed scope of the present utility model, but is merely representative of this utility model Selected embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art exist Do not make the every other embodiment obtained under creative work premise, broadly fall into this practicality Novel protected scope.

It should be noted that in the case of not conflicting, the embodiment in this utility model and reality Execute the feature in example can be mutually combined.

It should also be noted that similar label and letter expression similar terms in following accompanying drawing, therefore, The most a certain Xiang Yi accompanying drawing is defined, then need not it is carried out in accompanying drawing subsequently Definition and explanation further.

In description of the present utility model, it should be noted that term " vertically ", " interior ", Orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, Or this utility model product orientation usually put or position relationship when using, or this Orientation that skilled person usually understands or position relationship, or this utility model product makes Orientation that used time usually puts or position relationship, be for only for ease of description this utility model and letter Change describe rather than instruction or the hint device of indication or element must have specific orientation, With specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.This Outward, term " first ", " second ", " the 3rd " etc. are only used for distinguishing and describe, and are not understood that For instruction or hint relative importance.

In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clear and definite regulation And restriction, term " is arranged ", " installation ", " connection " should be interpreted broadly, for example, it may be Fixing connection, it is also possible to be to removably connect, or be integrally connected；Can be to be directly connected to, Can also be indirectly connected with by intermediary.For the ordinary skill in the art, may be used Above-mentioned term concrete meaning in this utility model is understood with concrete condition.

Embodiment 1, referring to figs. 1 through Fig. 5

As it is shown in figure 1, the present embodiment provides a kind of groove signal butterfly valve, including valve body 10, Actuating device 20, butterfly plate 30 and chromacoder 40.

Wherein valve body 10 includes that worm gear case 100, bar set 110 and valve seat 120, bar set 110 are Hollow-core construction, one end of bar set 110 is connected with valve body 10, the other end of bar set 110 and valve Seat 120 connects, and bar set 110 is positioned at the centre position of valve seat 120 length direction.Worm gear case 100, communicating inside bar set 110 and valve seat 120 three, internal being provided with of bar set 110 vertically turns Axle 111.Valve seat 120 is cylinder, and the axis of valve seat 120 is vertical with the axis of bar set 110, Valve seat 120 forms the liquid-conveying ducts 121 of both ends open.Butterfly plate 30 is disc, butterfly plate 30 In being located at liquid-conveying ducts 121 and be fixed in vertical rotating shaft 111, the diameter of butterfly plate 30 and valve The internal diameter of seat 120 matches, and when butterfly plate 30 rotates with vertical rotating shaft 111, butterfly plate 30 can To open or close liquid-conveying ducts 121.Worm gear case 100 includes casing 101 and case lid 102, Case lid 102 forms, after being fastened on casing 101, the receiving space closed.

Actuating device 20 includes worm gear 200 and worm screw 210, and worm gear case 100 is located at by worm gear 200 In internal receiving space, worm screw 210 is rotationally connected with casing 101, and worm gear 200 is fixed on Vertically in rotating shaft 111, worm screw 210 engages with worm gear 200.Worm screw 210 arranges handwheel After, just can realize the rotation of butterfly plate 30 by driving worm screw 210 to rotate, it is achieved opening of valve Open or close.

The effect of chromacoder 40 is butterfly plate 30 to be in the two states opened or closed with letter Number form spread out of, the signal spread out of can demonstrate the closedown of butterfly valve intuitively by display device State, in order to control management.

As in figure 2 it is shown, chromacoder 40 includes cam 410 and microswitch 400, Microswitch 400 is fixed on the case lid 102 of worm gear case 100, cam 410 and worm gear 200 Fixing connection, i.e. worm gear 200 rotates and is rotated by band moving cam 410 simultaneously.Wherein, cam 410 include arc sections 411 and line part 412, cam 410 rotate time, cam 410 Arc sections 411 can drive the shell fragment action in microswitch 400 and with in microswitch 400 Contact.When shell fragment and contact, the signal that butterfly plate 30 is closed by Microswitch 400 spreads out of.There is certain interval, nothing in line part 412 and the shell fragment of cam 410 Method drives shell fragment and contact, and now, butterfly plate 30 is in open mode, and butterfly plate 30 is opened The signal of state is spread out of by microswitch 400.

When the arc sections 411 of cam 410 drives shell fragment just with contact, at butterfly plate 30 In closed mode, now, worm gear 200 can not be rotated further.If worm gear 200 is rotated further, Butterfly plate 30 then can be in open mode, and shell fragment still contacts with contact, and this will cause butterfly plate The state of 30 is not inconsistent with the signal spread out of.To this end, be in the present embodiment, as it is shown on figure 3, will Worm gear 200 is set to special construction, and worm gear 200 includes rounded portions 201 and scallop 202, Rounded portions 201 and scallop 202 are coaxially disposed.Rounded portions 201 is provided with through hole, for Vertically rotating shaft 111 connects, and the tooth-shape structure of worm gear 200 is located in scallop 202, for Worm screw 210 engages.The casing 101 of worm gear case 100 is provided with the first locating part 203 and second Locating part 204, the first locating part 203 and the second locating part 204 are stop screw.Fan-shaped Portion 202 includes the first positive stop end 205 and the second positive stop end 206, when the first positive stop end 205 with When first locating part 203 is conflicted, butterfly plate 30 is positioned at the open position of maximum；When second is spacing When end 206 and the second locating part 204 are conflicted, butterfly plate 30 is positioned at closed position, now, convex The arc sections 411 of wheel 410 just makes shell fragment and the contact of microswitch 400.

Additionally, as it is shown in figure 1, for improving butterfly valve defect present in the installation process, at valve Lateral wall at the both ends open of seat 120 is provided with ring-shaped groove 50.It is positioned on valve seat 120 Being provided with connection assembly 60 at ring-shaped groove 50, connecting assembly 60 can coordinate with ring-shaped groove 50 Connect.During installation, directly can realize valve by connection assembly 60 with coordinating of ring-shaped groove 50 Seat 120 docks with pipe fitting.Its installation effectiveness and sealing effectiveness can be ensured.

Wherein, as shown in Figure 4, connect assembly 60 and include collar 600 and sealing ring 610, Collar 600 plays fastening, the effect connected, and sealing ring 610 plays seal valve seat 120 and pipe The effect of part junction.Collar 600 includes that the 3rd annular protrusion 606 extended internally is with inside The fourth annular projection 607 extended, the 3rd annular protrusion 606 607 shapes protruding with fourth annular Becoming first annular groove 608, the i.e. cross sectional shape of collar 600 is U-shaped.Valve seat 120 and pipe When part connects, sealing ring 610 is located in collar 600, and the 3rd annular protrusion 606 is stuck in annular In groove 50, fourth annular projection 607 is stuck in the groove on pipe fitting.This connected mode Stability after connection, fastness, sealing are preferable.

For convenience of installation and the dismounting of collar 600, as it is shown in figure 5, collar 600 is set to Upper semi-body 601 and lower semi-body 602, upper semi-body 601 and lower semi-body 602 are semicircular structure, The two ends of upper semi-body 601 are equipped with outward extending first connecting plate 603, lower semi-body 602 Two ends are equipped with outward extending second connecting plate 604, and the first connecting plate 603 and second connects Plate 604 is connected by fixture 605, and in the present embodiment, fixture 605 is bolt.First When connecting plate 603 and the second connecting plate 604 connect, can be by collar 600 by tighting a bolt It is installed on valve seat 120.While tighting a bolt, upper semi-body 601 and lower semi-body 602 All can apply pressure to sealing ring 610, after sealing ring 610 stress, there is preferable sealing effectiveness.

The sealing effectiveness of sealing ring 610 is affected by the extruding force realization of collar 600.For entering one Step strengthens the sealing effectiveness of sealing ring 610, in the present embodiment, as shown in Figure 4, sealing ring 610 include the 5th annular protrusion 611 extended internally and the 6th annular protrusion extended internally 612, the 5th annular protrusion 611 and the 6th annular protrusion 612 form the second annular groove 613, I.e. sealing ring 610 cross sectional shape is U-shaped.When valve seat 120 is connected with pipe fitting, the 5th annular Protruding 611 are stuck in ring-shaped groove 50, i.e. the 5th annular protrusion 611 He of sealing ring 610 3rd annular protrusion 606 of collar 600 is stuck in ring-shaped groove 50 simultaneously.Certainly, seal 6th annular protrusion 612 of circle 610 and the fourth annular projection 607 of collar 600 are stuck in simultaneously In groove in pipe fitting.When mounted, the 5th annular protrusion 611 of sealing ring 610 can be subject to The lateral compression power of the 3rd annular protrusion 606 of collar 600, the 6th annular of sealing ring 610 Protruding 612 can be by the lateral compression power of the fourth annular projection 607 of collar 600, namely Saying, all sites of sealing ring 610 all can be enhanced sealing by the extruding force of collar 600 The sealing property of circle 610.

Valve seat 120 is real with coordinating of ring-shaped groove 50 from connecting assembly 60 with the connection of pipe fitting Existing.Ring-shaped groove 50 has effect spacing, that connect and seal.Can be directly at valve seat 120 On by the way of machining, obtain ring-shaped groove 50.But in the present embodiment, in line with joint The principle of material saving, the space outside at valve seat 120 arranges first annular protruding 510 and second Annular protrusion 520, first annular protruding 510 relatively the second annular protrusions 520 are close to bar set 110, first annular protruding 510 and second annular protrusion 520 be collectively forming ring-shaped groove 50, This structural benefit is, on the premise of ensureing that valve seat 120 has enough intensity, can fit When the thickness reducing valve seat 120.

Consider valve seat 120 be connected assembly 60 connection after, the second convex annular on valve seat 120 Rise 520 big compared with the first annular stress of protruding 510, the width of the second annular protrusion 520 is set It is set to more than the first annular width of protruding 510, it is ensured that the second annular protrusion 520 has enough Intensity.Additionally, the first annular exterior contour of protruding 510 is circular arc, the most first annular The ring-shaped groove 50 that projection 510 and the second annular protrusion 520 are collectively forming is for up big and down small Structure.This structure is advantageous in that, is connecting the process that assembly 60 is connected with valve seat 120 In, the collar 600 connected in assembly 60 can be easier to snap onto in ring-shaped groove 50.

A kind of groove signal butterfly valve that the present embodiment provides, worm gear 200 is incomplete profile of tooth knot Structure, coordinates can realize butterfly valve spacing, it is ensured that butterfly valve with the stop screw on worm gear case 100 The signal that status is spread out of with microswitch 400 is consistent.Additionally, valve seat 120 two ends are opened The lateral wall of mouth is provided with ring-shaped groove 50, is easily achieved butterfly valve by connecting assembly 60 Installation and removal, will not take the biggest space after installation, butterfly valve connect after stability, Fastness and sealing all can be ensured.

Embodiment 2, with reference to Fig. 6

A kind of groove signal butterfly valve that this utility model embodiment is provided, it realizes principle and product Raw technique effect is identical with preceding method embodiment, for briefly describing, and device embodiment part Not mentioned part, refers to corresponding contents in preceding method embodiment.

As shown in Figure 6, sealing ring 610 also includes the 5th annular protrusion 611 He extended internally The 6th annular protrusion 612 extended internally, the 5th annular protrusion 611 and the 6th annular protrusion 612 Form the second annular groove 613.In the present embodiment, the width of sealing ring 610 is with first annular The width of groove 608 matches, the width of the 3rd annular protrusion 606 and ring-shaped groove 50 Width matches.It is to say, the 5th annular protrusion 611 of sealing ring 610 is not stuck in ring In shape groove 50, during installation, connect assembly 60 convenient rapidly with the connection of valve seat 120. Additionally, in installation process, the sealing ring 610 of this structure is by the extruding force of collar 600 After, easily it is deformed, the laminating degree of sealing ring 610 and valve seat 120 can be improved, seal effect Fruit is preferably.

Additionally, be additionally provided with multiple extrusion 70 that is uniformly distributed, extrusion 70 on collar 600 It is spirally connected with collar 600, the radial direction phase of the length direction of extrusion 70 and sealing ring 610 With, conflict with sealing ring 610 in one end of extrusion 70.In the present embodiment, extrusion 70 For screw, by regulating the position of screw, it is possible to increase the deformation quantity of sealing ring 610, one can be entered Step improves the sealing effectiveness of sealing ring 610.Additionally, sealing ring 610 is connected one with collar 600 After the section time, between collar 600 and sealing ring 610, there will be adhesion phenomenon, quick by screw Realizing collar 600 to separate with sealing ring 610, the dismounting of butterfly valve is convenient laborsaving.

Remaining structure of the present embodiment is same as in Example 1, does not repeats them here.

These are only preferred embodiment of the present utility model, be not limited to this practicality new Type, for a person skilled in the art, this utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment, the equivalent made, change Enter, within should be included in protection domain of the present utility model.

Claims (10)

1. a groove signal butterfly valve, it is characterised in that include valve body, actuating device, butterfly Plate and chromacoder, described valve body includes worm gear case, bar set and valve seat, described bar set two End is connected with described worm gear case, described valve seat respectively, and described valve seat forms the drain of both ends open Passage, described butterfly plate is located in described liquid-conveying ducts, and described actuating device includes intermeshing Worm gear and worm screw, described worm screw is rotationally connected with described worm gear case, is provided with vertically in described bar set Rotating shaft, described worm gear and described butterfly plate are both secured in described vertical rotating shaft, and described signal is changed Device includes that cam and microswitch, described microswitch are fixed on described worm gear case, described Cam is fixed on described worm gear, and the lateral wall at the both ends open of described valve seat is provided with annular Groove.

Groove signal butterfly valve the most according to claim 1, it is characterised in that described valve The space outside of seat is provided with first annular projection and the second annular protrusion, described first annular convex Rise and form described ring-shaped groove between described second annular protrusion.

Groove signal butterfly valve the most according to claim 2, it is characterised in that described On the axial direction of valve seat, more described second annular protrusion of described first annular projection is close to institute Stating bar set, the width of described second annular protrusion is more than the width of described first annular projection.

Groove signal butterfly valve the most according to claim 2, it is characterised in that described The exterior contour of one annular protrusion is circular arc.

Groove signal butterfly valve the most according to claim 1, it is characterised in that described valve Seat is provided with connection assembly, and described connection assembly includes that collar and sealing ring, described collar include The 3rd annular protrusion extended internally and the fourth annular extended internally are protruding, described 3rd annular Protruding convexing to form first annular groove with described fourth annular, described sealing ring is located at described the In one annular groove, described 3rd annular protrusion is stuck in described ring-shaped groove.

Groove signal butterfly valve the most according to claim 5, it is characterised in that described close Seal includes the 5th annular protrusion extended internally and the 6th annular protrusion extended internally, described 5th annular protrusion and described 6th annular protrusion form the second annular groove, described 5th annular Projection is stuck in described ring-shaped groove.

Groove signal butterfly valve the most according to claim 5, it is characterised in that described close Seal includes the 5th annular protrusion extended internally and the 6th annular protrusion extended internally, described 5th annular protrusion and described 6th annular protrusion form the second annular groove, described sealing ring The width of width and described first annular groove match, the width of described 3rd annular protrusion Match with the width of described ring-shaped groove.

Groove signal butterfly valve the most according to claim 7, it is characterised in that described card Being provided with multiple extrusion on circle, described extrusion is spirally connected with described collar, described extrusion Length direction is identical with the radial direction of described sealing ring, and one end of described extrusion is close with described Seal is conflicted.

9. according to the groove signal butterfly valve described in any one of claim 5-8, it is characterised in that Described collar includes that upper semi-body and lower semi-body, the two ends of described upper semi-body are provided with outward extending A plate, the two ends of described lower semi-body are provided with second connecting plate that stretches out, and described first even Fishplate bar is connected by fixture with described second connecting plate.

Groove signal butterfly valve the most according to claim 1, it is characterised in that described snail Wheel include rounded portions for being connected with described vertical rotating shaft and for described worm engaging Scallop, described worm gear case is provided with the first locating part and the second locating part, described scallop bag Include the first positive stop end and the second positive stop end, when described first positive stop end supports with described first locating part When touching, described butterfly plate is positioned at open position, when described second positive stop end and described second locating part During conflict, described butterfly plate is positioned at closed position.