CN209229040U - A kind of antiseize electric knives gate valve - Google Patents

Abstract

The utility model provides a kind of antiseize electric knives gate valve, belong to knife gate valve technical field, the technical solution adopted is that: a kind of antiseize electric knives gate valve, including valve body, the intracorporal valve plate of valve and matched seal assembly, it is critical that further including the bracket being connect with valve body, limition orientation column is equipped with along the two sides of valve plate stroke on the bracket, the limition orientation column is equipped with groove, and valve plate edge is limited in groove, and valve plate is under driving mechanism, transmission mechanism active force along groove linear slide.Beneficial effect is this antiseize electric knives gate valve, and limition orientation mechanism is arranged and corrects valve plate offset, realizes valve plate linear movement, and freely, closing is smooth for activity, simple and practical in structure, easy to use；Roller arrangement is set in groove, reduces sliding friction, and valve plate movement is more flexible, improves closing velocity；Limition orientation column is limited in rectangle or track type through-hole and with shift scale is arranged, and is conveniently adjusted precision, moreover it is possible to adapt to the knife gate valve of different in width valve plate.

Description

A kind of antiseize electric knives gate valve

Technical field

The utility model relates to knife gate valve technical fields, and in particular to a kind of antiseize electric knives gate valve.

Background technique

Knife gate valve, also known as knife gate valve are answered in all trades and professions rapidly extensively with small, light-weight, the easy to install disassembly of its flow resistance With each to the special pipelines systems such as food, medicine and each row from general industry pipeline such as factory's deslagging, municipal sewage treatment etc. The feed proportioning system etc. of industry.

Knife gate valve cuts off medium, currently used opening and closing driving method using opening and closing with the perpendicular flashboard of flow direction Mainly there are handwheel driving, electrodynamic type and pneumatic type, for generally pneumatically or electrically acting knife gate valve, power actuator is longer, using two The device of side drive valve plate movement, the speed for being easy to appear two sides electric pushrod is inconsistent, and two sides are mobile when valve plate being caused to be opened Apart from variant, often there is the phenomenon that valve plate blocks, knife gate valve is not opened；Using single-point active force drive valve plate opening and When closing, especially when valve plate forward movement cutting medium need to be controlled, since valve plate is only by the guiding of two fulcrum of packing, rubbed Wipe resistance, material resistance, power and distribute unequal influence, frequently result in valve plate and wave up and down, be easy it is not dead, cause motor or Valve body is impaired.The patent of invention of application number 201410315414.3 discloses a kind of starting Expansion sealing formula knife gate valve, structure It always include valve body, two lateral edges in the medium channel of valve body are provided with total ram seal to direction perpendicular to media flow and slide Guide groove, so that valve plate is moved linearly by guide groove, but structure is complicated for its knife gate valve, air bag is also easy to by material, unexpected point Sharp thing damage causes function impaired, causes production disruption, troublesome maintenance, return production and bring inconvenience and loss.

Summary of the invention

Valve plate easily blocks, knife gate valve beats stubborn technical problem when to solve the opening and closing of existing knife gate valve, this is practical new Type provides a kind of antiseize electric knives gate valve, using the technical side for corresponding to valve plate two sides on bracket and adding limition orientation mechanism Case realizes valve plate activity freely, closes smooth.

The technical solution adopted in the utility model is: a kind of antiseize electric knives gate valve, including the intracorporal valve plate of valve body, valve And matched seal assembly is set on the bracket along the two sides of valve plate stroke it is critical that further including the bracket connecting with valve body There is limit guide post, the limition orientation column is equipped with groove, and the valve plate edge is limited in groove, and the valve plate is driving Along groove linear slide under mechanism, transmission mechanism active force.

Further, the roller that valve plate lower section or upper and lower are limited in by rotation axis, the roller are equipped in the groove The wheel rotation direction valve plate direction of motion is consistent.

Further, the roller is installed in rotation axis by bearing.

Further, in the rectangle or track type through-hole that the limition orientation column is limited on bracket by bolt and nut.

It further, include the top plate and bottom plate for being located at valve plate top, lower section, the limit in the supporting structure Guide post is limited between top plate and bottom plate, and is matched and be arranged with shift scale.

Further, the limition orientation column is arranged symmetrically.

Further, the driving mechanism is rack-mount, and driving mechanism is worm-gear speed reducer.

Further, the transmission mechanism is lead screw transmission, and lead screw one end is connect with driving mechanism, and the other end is connected to valve On plate.

Further, detection switch is equipped in the most proximal end position of corresponding valve plate stroke and most amphi position on the bracket.

In above-mentioned technical proposal, a kind of antiseize electric knives gate valve is provided, includes valve body in structure, is equipped with valve plate in valve body And matched seal assembly, key Design are, further include bracket, driving mechanism is connect with bracket, and valve body is connect with bracket, Limition orientation column is provided on bracket, positioned at the two sides of valve plate stroke, limition orientation column is equipped with groove, and the edge card of valve plate exists In groove, which is driven mechanism, in transmission mechanism active force moving process in valve plate, when its linear motion, valve plate edge Groove linear slide；When the active force imbalance received, groove has the function of correcting valve plate, and avoiding causes valve plate in valve body There is deflection and causes card plug in interior one end, so that valve plate moves linearly.

The beneficial effects of the utility model are: (1) antiseize electric knives gate valve provided by the utility model, setting limit is led To mechanism correction valve plate offset, valve plate linear movement is realized, activity freely, closes smooth, simple and practical in structure, user Just；(2) in further improved technical solution, roller arrangement is set in groove, reduces sliding friction, valve plate movement is more flexible, Improve closing velocity；(3) limition orientation column is limited in rectangle or track type through-hole and with shift scale is arranged, convenient for transporting When the row time is long or when maintenance replacement, precision is adjusted, moreover it is possible to adapt to the knife gate valve of different in width valve plate.

Detailed description of the invention

Fig. 1 is the side structure schematic view of 1 knife gate valve of the utility model embodiment；

Fig. 2 is the overlooking structure diagram of 1 knife gate valve of the utility model embodiment；

Fig. 3 is the overlooking structure diagram of 2 knife gate valve of the utility model embodiment；

Fig. 4 is the schematic perspective view of limition orientation column in the utility model embodiment 2；

In figure, 1, valve body, 1-1, valve plate, 2, bracket, 2-1, top plate, 2-2, bottom plate, 2-3, through-hole, 3, limition orientation column, 3-1, groove, 3-2, rotation axis, 3-3, roller, 4, lead screw, 5, detection switch, 6, driving mechanism.

Specific embodiment

Antiseize electric knife gate valve arrangement provided by the utility model and use are described in detail with specific embodiment below Method, but do not limit the protection scope of the utility model in any form, one of ordinary skill in the art according to technical solution institute into Capable improvement modification or similar replacement, should be included within the scope of protection of this utility model.

Embodiment 1

The present embodiment provides a kind of antiseize electric knives gate valve, referring to shown in Fig. 1 and Fig. 2, including valve in disconnecting link valve arrangement Body 1, valve body 1 is interior to be equipped with valve plate 1-1 and matched seal assembly, using current each component of knife gate valve general controls mechanism controls Operation further includes bracket 2, driving mechanism 6, transmission mechanism, and driving mechanism 6 is worm-gear speed reducer, valve body in the present embodiment 1, driving mechanism 6 is separately positioned on the both ends of bracket 2, and driving mechanism 6 is connect with bracket 2,6 output end of driving mechanism and driver Structure, transmission mechanism actuating station are connect with valve plate 1-1, to make valve plate 1-1 move along a straight line, on bracket 2, are located at valve plate 1-1 stroke Two sides be provided with limition orientation column 3, the limition orientation column 3 is equipped with groove 3-1, and the edge the valve plate 1-1 is limited in recessed In slot 3-1, mechanism 6 is driven, in transmission mechanism active force moving process in valve plate 1-1, when it is in linear motion, valve plate 1- 1 along groove linear slide；When the active force imbalance received, groove 3-1 has the function of correcting valve plate 1-1, and avoiding causes There is deflection and cause card plug in two support end points of the valve plate 1-1 in valve body 1, so that valve plate 1-1 moves linearly.

The bracket 2 is frame structure, further includes top plate 2-1 and bottom plate 2-2, at top plate 2-1 and bottom when valve plate 1-1 is run Between plate 2-2, the limition orientation column 3 is limited between top plate 2-1 and bottom plate 2-2.

Stablize for the position-limiting action dynamic balance to valve plate 1-1, the limition orientation column 3 is arranged symmetrically.

The transmission mechanism is lead screw transmission, is used as and is driven using single lead screw in the present embodiment, 4 one end of lead screw and worm gear Worm decelerating machine connection, the other end are connected on valve plate 1-1, and nonoculture exerts oneself to drive the opening and closing of valve plate, precision height, efficiency Height avoids unbalanced phenomenon when multiaction power.

To timely feedback information when realizing that valve plate 1-1 standard-sized sheet is fully closed, so that the stopping of driving mechanism 6 is controlled, on the bracket 2 Detection switch 5 is equipped in the most proximal end position of corresponding valve plate 1-1 stroke and most amphi position.

Embodiment 2

On the basis of embodiment 1, it referring to Fig. 3, Fig. 4, in the present embodiment, is equipped in the groove 3-1 by rotation axis 3-2 is limited in the roller 3-3 below valve plate 1-1, and mounting means of the roller 3-3 on rotation axis 3-2 can be realized steady by bearing It is fixed not shake, rotate freely.In practice, roller 3-3 can be only arranged below valve plate 1-1, and there is support, rolling to push away preceding valve plate The effect of 1-1 can also be respectively provided in valve plate 1-1 upper and lower, and the roller 3-3 rotation direction valve plate 1-1 direction of motion is consistent.

For the position for accurately recording, adjusting limition orientation column 3, to correct in time, it is convenient for correction valve plate 1-1, the bracket 2 On rectangle or track type through-hole 2-3 in, mating shift scale, through-hole 2-3 be arranged on top plate 2-1 and/or bottom plate 2-2, limit Position guide post 3 be limited on rectangle or track type through-hole 2-3 by bolt and nut, in actual use, limition orientation column 3 by Bolt installation, and it is respectively mounted nut in the upper and lower of through-hole 2-3, it can position and adjust.

In use, this antiseize electric knives gate valve is mounted on material entrance, it is powered to driving mechanism 6, driving mechanism is opened Begin to rotate, lead screw 4 is driven to rotate, to drive valve plate 1-1 mobile, valve is opened, when detection switch 5 detects valve plate 1-1 After in place, 6 start and stop of signal feedback control driving mechanism；After the completion of discharging, control mechanism controls driving mechanism 6 and rotates, lead screw 4 It drives valve plate 1-1 to return to reset, valve is closed, after door-closing in-place, 5 feedback signal of detection switch, control mechanism stops driving Mechanism 6.In the entire switch motion of valve plate 1-1, valve plate 1-1 is limited in always in the card slot 3-1 of limition orientation column 3, realizes valve Plate 1-1 or more, left and right non-displacement amount, 4 active force of lead screw is only by axial force, and motor working efficiency is high, stable equipment operation.

Claims (9)

1. a kind of antiseize electric knives gate valve, including the valve plate (1-1) and matched seal assembly in valve body (1), valve body (1), It is characterized in that, further including the bracket (2) being connect with valve body (1), set on the bracket (2) along the two sides of valve plate (1-1) stroke Have limit guide post (3), the limition orientation column (3) is equipped with groove (3-1), and valve plate (1-1) edge is limited in groove In (3-1), the valve plate (1-1) is under driving mechanism (6), transmission mechanism active force along groove (3-1) linear slide.

2. antiseize electric knives gate valve according to claim 1, which is characterized in that be equipped in the groove (3-1) by Rotation axis (3-2) is limited in below valve plate (1-1) or the roller (3-3) of upper and lower, roller (3-3) the rotation direction valve plate (1-1) direction of motion is consistent.

3. antiseize electric knives gate valve according to claim 2, which is characterized in that the roller (3-3) is pacified by bearing Loaded on rotation axis (3-2).

4. antiseize electric knives gate valve according to claim 1, which is characterized in that the limition orientation column (3) is by spiral shell Bolt nut is limited in the rectangle on bracket (2) or track type through-hole (2-3).

5. antiseize electric knives gate valve according to claim 1 or 4, which is characterized in that include in bracket (2) structure It is located above valve plate (1-1), the top plate (2-1) and bottom plate (2-2) of lower section, the limition orientation column (3) is limited in top plate Between (2-1) and bottom plate (2-2), and matches and be arranged with shift scale.

6. antiseize electric knives gate valve according to claim 1 or 4, which is characterized in that the limition orientation column (3) is pair Claim setting.

7. antiseize electric knives gate valve according to claim 1, which is characterized in that the driving mechanism (6) is mounted on branch On frame (2), driving mechanism (6) is worm-gear speed reducer.

8. antiseize electric knives gate valve according to claim 1, which is characterized in that the transmission mechanism is lead screw transmission, Lead screw (4) one end is connect with driving mechanism, and the other end is connected on valve plate (1-1).

9. antiseize electric knives gate valve according to claim 1, which is characterized in that in corresponding valve plate on the bracket (2) The most proximal end position of (1-1) stroke and most amphi position are equipped with detection switch (5).