CN206221686U - The control valve of dust catcher - Google Patents

Abstract

A kind of control valve of dust catcher, include valve body and valve element, be provided with valve body valve body import and and valve outlet, valve element includes thering is elastically-deformable valve core plate and valve rod, cavity is provided with valve body, convex pipe is convexly equipped with the middle part of cavity, the inner chamber of convex pipe is connected with valve body import, cavity is surrounded annular cavity by convex pipe outer peripheral face, annular cavity is connected with valve outlet, convex pipe upper end open is connected with annular cavity, the periphery of valve core plate is mutually fixed with the valve body on annular cavity periphery wall, the structure setting of convex pipe upper end open can up or down be opened and closed in the middle part of valve core plate in valve body, the lower end of valve rod is hermetically connected with valve core plate middle part, valve rod can up or down extend the top of valve body, valve rod is provided between valve rod and valve body to move up and down to the detent mechanism that can be positioned during setting position.The advantage is that：This valve body has valve core plate open and close simple to operate, and dust will not will not be blocked or stuck advantage in valve body accumulation, valve element.

Description

The control valve of dust catcher

Technical field

The utility model is related to a kind of valve manufacture technology field, especially a kind of control valve of dust catcher.

Background technology

A kind of existing Patent No. CN201120363057.X is entitled《Gate valve for dust collecting pipeline》Chinese utility model it is special Profit discloses a kind of gate valve for dust collecting pipeline, includes the left valve core plate of size identical, right valve core plate and plate and cylinder, two Plate is provided between valve core plate, is crimped by sealing ring between valve core plate and plate, plate can be between two valve core plates up and down Slide, one is provided with plate with internal diameter of the pipeline identical circular hole, cylinder one end is fixed, the other end is connected with plate top.Work When making, gate valve is closed, and cylinder piston drives downwards plate to move down, and not phase is separated by plate between the adapter of two valve core plates It is logical；Gate valve is opened, then cylinder piston brings up the circular hole that plate is moved upward on plate and aligned with the adapter on valve core plate, Adapter on two valve core plates is communicated by the circular hole on plate.Gate valve for dust collecting pipeline simple structure, behaviour that the utility model is related to Make convenience, reliable operation, valve closing is tight, be difficult dust stratification, can be widely applied to industrial production.However, the gate valve is opened Opening closing needs cylinder to drive control, and the powder particle produced in artificial tooth process is small, and such dust can block cylinder Blocked between flashboard or stuck valve element, so using effect is undesirable, and flashboard either on or off process is cumbersome, therefore the lock The structure of valve also needs further improvement.

The content of the invention

Technical problem to be solved in the utility model is directed to above-mentioned state of the art and provides a kind of valve core plate and open Open that shutoff operation is simple and convenient, and thoroughly solve dust in valve body accumulation and block the control of the dust catcher of valve element problem Valve.

The utility model solve the technical scheme that is used of above-mentioned technical problem for：The control valve of this dust catcher, includes Valve body and valve element, are provided with the valve body import that is connected with dust pipe and are connected with the sweep-up pipe of dust catcher on the valve body Valve outlet, it is characterised in that：The valve element includes thering is elastically-deformable valve core plate and valve rod, is provided with the valve body recessed Chamber, is convexly equipped with convex pipe in the middle part of the cavity, and the inner chamber of the convex pipe is connected with valve body import, and the convex pipe outer peripheral face will Cavity surrounds annular cavity, and the annular cavity is connected with valve outlet, and the convex pipe upper end open is connected with annular cavity Logical, the periphery of the valve core plate is mutually fixed with the valve body on annular cavity periphery wall, and the middle part of the valve core plate can be up and down The structure setting of convex pipe upper end open is movably opened and closed in valve body, the lower end of the valve rod hermetically with valve core plate in Portion is connected, and the valve rod can up or down extend the top of valve body, valve rod is provided between valve rod and valve body upper and lower The detent mechanism that can be positioned when being moved to setting position.

Used as improvement, the top of the annular cavity is provided with bonnet in which can shirk, the top surface of the valve body be provided with The annular recess that valve core plate edge is adapted, the valve core plate sets the ring-type for being fixed on annular recess and bonnet pairing and being formed In cavity.

Further improve, described soft is preferably silicon rubber diaphragm, the connection end of the valve rod and silicon rubber diaphragm Be provided with fixed screw thread, be equipped with stator and lower stator on the fixed screw thread, fixed with lower stator The middle part sealing of silicon rubber diaphragm is sandwiched therebetween.

Preferably being provided with as improvement, on the body of rod of the valve rod can be with the first groove of detent mechanism phase buckle and the Two grooves, when detent mechanism is with the first groove phase buckle, the valve core plate lid is put in the upper end open of convex pipe and makes upper end Closure of openings, when detent mechanism is with the second groove phase buckle, the valve core plate leaves upper end open and opens upper end open.

Further improve, the detent mechanism includes ball, the ball base of ball is installed, by ball base and body top phase Fixed fixed block, is provided with the attachment recess that shape is adapted with ball base profile on the bottom surface of the body top.

Further improve, the valve rod is preferably cylindrical bar, first groove and the second groove are to be arranged on cylinder Annular groove on club shaft outer circumference surface, the bottom surface radian of the annular groove is adapted with the sphere of ball.

Further improve, preferable being provided with one end that the cylindrical bar stretches out bonnet facilitates hand to hold the spheroid pinched.

Used as improvement, the bottom surface of the annular cavity is preferably inclined-plane, height of the inclined-plane near valve body import side Degree is high and low away from the height of valve body import side.

Used as improvement, the top of the bonnet is preferably provided with control valve and fixes lid, and the bonnet is fixed with control valve Lid is fixed together by position control, and the control valve fixes the distance between bottom surface and bonnet top surface of lid by position Control device is adjusted and identical with the thickness of the table of fixed control valve.

Further improve, the position control is preferably screw, the control valve is fixed and covers circumference at equal intervals Four through holes are provided with, the screw of screw, the screw and bonnet top correspondence position has been placed in four through holes respectively Bolt.

Compared with prior art, the utility model has the advantage of：Valve core plate has elastic deformation, scalable, pulls valve Bar is to be capable of achieving valve core plate to be separated with convex pipe upper end open, easy to operate, and valve core plate lid is when putting in upper end open Valve core plate can be fitted tightly on the edge of upper end open, better tightness, and valve core plate uses silicon rubber diaphragm, and tension is wear-resisting, It is corrosion-resistant, long service life, good sealing effect, surface is smooth to be difficult to adhere to fine solid particle, it is ensured that dust is effectively reclaimed, while clearly It is clean also more to facilitate；During using this control valve, operating personnel need to only lift or press valve rod and can be achieved with valve core plate unlatching or close Close, simple to operate, valve rod only has two fixed positions, makes the open and close of valve core plate more accurate, does not have and releases, slides Misgivings, the attachment structure that trickle dust will not be in blocking valve body, it is ensured that control valve is in normal operating conditions all the time, absorbs The dust of desktop；Because hand control valve core plate need not add the driving equipments such as control electronics and cylinder, therefore this control Valve arrangement is simple, and switch control is more flexible, and occupies little space, and the normal work of operating personnel is not influenceed；Bonnet top It is provided with control valve and fixes lid, table can be interposed in middle so that controlling valve to be fixed on the edge of table by both, be used It is very convenient, and fixed between base face and bonnet top surface by the depth energy adjusting control valve that adjusting screw stretches into screw Distance, enables control valve to be used for the table of different-thickness, and range of application is wider；Further, the bottom surface of annular cavity is inclined-plane, energy Powder is prevented effectively to be piled up in valve body；Further, this control valve has thoroughly prevented piston using the design of silicon rubber diaphragm control Class, the fork clip phenomenon of core type valve core, the big slope design of valve body annular of this control cause dust from the accumulation in valve body again, Twice groove on valve rod and built-in spacing ball design, make opening and closing accurate, do not have release, the worry of landing, Interval between bonnet and valve body can arbitrarily be adjusted between 15~40mm, make the desktop of its applicable various thickness；Therefore This control valve veritably solves the suction dirt manipulation problem between the single-row station of laboratory table and central dust extractor, finally, this control Valve dismounting assembling processed is very convenient, is conducive to cleaning, changes part.

Brief description of the drawings

Fig. 1 is the stereogram of the utility model embodiment；

Fig. 2 is the stereogram of another angle of Fig. 1；

Fig. 3 is the top view of Fig. 1；

Fig. 4 is the profile along line A-A in Fig. 3；

Fig. 5 is valve core plate and profile of the upper end open in released state in Fig. 4；

Fig. 6 is the structure decomposition figure of Fig. 1；

Fig. 7 is the structure decomposition figure of another angle of Fig. 1；

Fig. 8 is the further structure decomposition figures of Fig. 6；

Fig. 9 is the further structure decomposition figure of action bars and valve core plate dependency structure in Fig. 8；

Figure 10 is the application state figure of the utility model embodiment.

Specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing embodiment.

As shown in Figures 1 to 10, the control valve of the dust catcher of the present embodiment, includes valve body 1 and valve element, the valve body 1 On be provided with the valve body import 11 being connected with dust pipe and the valve outlet 12 being connected with the sweep-up pipe of dust catcher, the valve Core includes thering is elastically-deformable valve core plate 3 and valve rod 4, and the valve body 1 is interior to be provided with cavity, in the middle part projection of the cavity The inner chamber for having convex pipe 13, the convex pipe 13 is connected with valve body import 11, and it is recessed that cavity is surrounded annular by the outer peripheral face of convex pipe 13 Chamber 16, the annular cavity 16 is connected with valve outlet 12, and the upper end open 15 of the convex pipe 13 is connected with annular cavity 16, The periphery of the valve core plate 3 is mutually fixed with the valve body 1 on the periphery wall of annular cavity 16, on the middle part energy of the valve core plate 3 Under movably open and close the structure setting of the upper end open 15 of convex pipe 13 in valve body 1, the lower end of the valve rod 4 hermetically with The middle part of valve core plate 3 is connected, and the valve rod 4 can up or down extend the top of valve body 1, be set between valve rod 4 and valve body 1 Valve rod 4 is equipped with to move up and down to the detent mechanism that can be positioned during setting position.The top of the annular cavity 16 sets in which can shirk Bonnet 2 is equipped with, the top surface of the valve body 1 is provided with the annular recess 14 being adapted with the edge of valve core plate 3, and the valve core plate 3 is embedding Put be fixed on annular recess 14 and the pairing of bonnet 2 and in the annular cavity that is formed.The valve core plate 3 is silicon rubber diaphragm, described The connection end of valve rod 4 and silicon rubber diaphragm is provided with fixed screw thread 43, be equipped with the fixed screw thread 43 stator 44 with Lower stator 45, fixed 44 sandwiched therebetween by the middle part sealing of silicon rubber diaphragm with lower stator 45.Institute Be provided with the body of rod for stating valve rod 4 can with the first groove 41 of detent mechanism phase buckle and the second groove 42, when detent mechanism with During 41 phase buckle of the first groove, the lid of the valve core plate 3 is put in the upper end open 15 of convex pipe 13 and closes upper end open 15, when When detent mechanism is with 42 phase buckle of the second groove, the valve core plate 3 leaves upper end open 15 and opens upper end open 15.It is described Detent mechanism includes ball 51, installs the ball base 5 of ball 51, by the fixed block 52 that ball base 5 is mutually fixed with the top of valve body 1, The attachment recess 21 that shape is adapted with the profile of ball base 5 is provided with the bottom surface at the top of the valve body 1.The valve rod 4 is circle Mast, the groove 42 of first groove 41 and second is the annular groove being arranged on cylinder club shaft outer circumference surface, the ring The bottom surface radian of connected in star is adapted with the sphere of ball 51.One end that the cylindrical bar stretches out bonnet 2 is provided with and facilitates hand Hold the spheroid 46 pinched.The bottom surface 17 of the annular cavity 16 is inclined-plane, and height of the inclined-plane near the side of valve body import 11 is high And it is low away from the height of the side of valve body import 11.The top of the bonnet 2 is provided with control valve and fixes lid 6, the bonnet 2 and control Valve processed is fixed lid 6 and is fixed together by position control, and the control valve is fixed between bottom surface and the top surface of bonnet 2 of lid 6 Distance adjusted by position control and identical with the thickness of the table 7 of fixed control valve, the distance is 15~40mm.Institute Position control is stated for screw, the control valve fixes circumference on lid 6 and is provided with four through holes 61 at equal intervals, described four lead to The bolt of screw 22 of screw, the screw and the top correspondence position of bonnet 2 has been placed in hole 61 respectively.The table 7 of workbench On be provided with the import 71 of dust pipe, the import 71 is connected by dust pipe with valve body import 11.

Operation principle：Valve outlet is connected by sweep-up pipe with dust catcher, import of the dust on table from dust pipe Into valve body, and in the inner chamber for entering into convex pipe from valve body import, be lifted up for valve rod to make ball and the second groove by operative employee Mutual buckle, dust leaves convex pipe from the gap between convex pipe upper end open and valve core plate, into annular cavity and from valve body Valve body is left in outlet, is finally absorbed by dust catcher；When that need not be continuing with dust catcher, operative employee presses down on valve rod, makes First groove is put in upper end open with ball phase buckle, valve core plate lid, and valve body import is just no longer connected with valve outlet, dust suction Stop.

Claims (10)

1. a kind of control valve of dust catcher, includes valve body (1) and valve element, is provided with the valve body (1) and is connected with dust pipe Logical valve body import (11) and the valve outlet (12) being connected with the sweep-up pipe of dust catcher, it is characterised in that：The valve element bag Include with elastically-deformable valve core plate (3) and valve rod (4), cavity is provided with the valve body (1), it is convex at the middle part of the cavity Convex pipe (13) is provided with, the inner chamber of the convex pipe (13) is connected with valve body import (11), convex pipe (13) outer peripheral face is by cavity Annular cavity (16) is surrounded, the annular cavity (16) is connected with valve outlet (12), convex pipe (13) upper end open (15) be connected with annular cavity (16), the periphery of the valve core plate (3) be located at annular cavity (16) periphery wall on valve body (1) mutually fix, the structure of convex pipe (13) upper end open (15) can up or down be opened and closed in the middle part of the valve core plate (3) It is arranged in valve body (1), the lower end of the valve rod (4) is hermetically connected with valve core plate (3) middle part, on valve rod (4) energy Under movably extend the top of valve body (1), valve rod (4) is provided between valve rod (4) and valve body (1) and is moved up and down to setting The detent mechanism that can be positioned during position.

2. control valve according to claim 1, it is characterised in that：The top of the annular cavity (16) is set in which can shirk There is bonnet (2), the top surface of the valve body (1) is provided with the annular recess (14) being adapted with valve core plate (3) edge, the valve element Plate (3) set be fixed on annular recess (14) and bonnet (2) pairing and in the annular cavity that is formed.

3. control valve according to claim 2, it is characterised in that：The valve core plate (3) is silicon rubber diaphragm, the valve rod (4) connection end with silicon rubber diaphragm is provided with fixed screw thread (43), and stator is equipped with the fixed screw thread (43) (44) with lower stator (45), be interposed in for the middle part sealing of silicon rubber diaphragm with lower stator (45) by fixed (44) Between the two.

4. according to any described control valve in claims 1 to 3, it is characterised in that：It is provided with the body of rod of the valve rod (4) Can with first groove (41) of detent mechanism phase buckle and the second groove (42), when detent mechanism and the first groove (41) phase buckle When, valve core plate (3) lid is put in the upper end open (15) of convex pipe (13) and closes upper end open (15), works as detent mechanism During with the second groove (42) phase buckle, the valve core plate (3) leaves upper end open (15) and opens upper end open (15).

5. control valve according to claim 4, it is characterised in that：The detent mechanism includes ball (51), installs ball (51) ball base (5), by the fixed block (52) that ball base (5) is mutually fixed with valve body (1) top, at the top of the valve body (1) The attachment recess (21) that shape is adapted with ball base (5) profile is provided with bottom surface.

6. control valve according to claim 5, it is characterised in that：The valve rod (4) is cylindrical bar, first groove (41) it is the annular groove being arranged on cylinder club shaft outer circumference surface, the bottom surface arc of the annular groove with the second groove (42) Degree is adapted with the sphere of ball (51).

7. control valve according to claim 6, it is characterised in that：One end that the cylindrical bar stretches out bonnet (2) is provided with Hand is facilitated to hold the spheroid (46) pinched.

8. according to any described control valve in claims 1 to 3, it is characterised in that：The bottom surface of the annular cavity (16) (17) be inclined-plane, the inclined-plane near valve body import (11) side height it is high and away from the height of valve body import (11) side It is low.

9. the control valve according to Claims 2 or 3, it is characterised in that：Control valve is provided with the top of the bonnet (2) to consolidate Fixed lid (6), the bonnet (2) is fixed lid (6) and is fixed together by position control with control valve, and the control valve is fixed Cover the distance between bottom surface and bonnet (2) top surface of (6) adjusted by position control and with the table (7) of fixed control valve Thickness is identical.

10. control valve according to claim 9, it is characterised in that：The position control is screw, the control valve Circumference is provided with four through holes (61) at equal intervals on fixed lid (6), and screw has been placed respectively in four through holes (61), described Screw (22) bolt of screw and bonnet (2) top correspondence position.