CN211525565U - Pneumatic butt-clamp type rubber sealing butterfly valve with high safety - Google Patents

Abstract

The utility model discloses a high pneumatic wafer formula rubber seal butterfly valve of security, including the valve body, two install the protection casing jointly on the fixed plate, be equipped with the chucking device between protection casing and the fixed plate, install reinforcing apparatus in the protection casing, pneumatic actuator is close to mount pad one side movable mounting and has the case, and the case keeps away from pneumatic actuator one end activity and runs through mount pad, valve body and base, base one side activity is inserted and is equipped with the gag lever post, and the gag lever post runs through the outer wall of base and case. Has the advantages that: the utility model discloses installed the protection casing on pneumatic actuator to installed reinforcing apparatus in the protection casing, makeed pneumatic actuator to stabilize in the during operation side more, prolonged pneumatic actuator's life, installed the gag lever post on the base, carry on spacingly to the case, prevent that operator's maloperation from opening the valve, carry out the insurance to the valve and lock, improve the factor of safety that the valve used.

Description

Pneumatic butt-clamp type rubber sealing butterfly valve with high safety

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a high pneumatic wafer formula rubber seal butterfly valve of security.

Background

The pneumatic butterfly valve is composed of a pneumatic actuator and a butterfly valve, wherein the pneumatic butterfly valve is opened and closed by a circular butterfly plate rotating along with a valve rod so as to realize the pneumatic valve which starts to move, mainly used as a cut-off valve and also designed to have the function of adjusting or adjusting a section valve, and the butterfly valve is increasingly used on low-pressure large-caliber and medium-caliber pipelines.

The pneumatic actuator of current pneumatic butterfly valve all exposes in the air, experiences wind for a long time and blows the sun, its life of can greatly reduced, secondly lacks safeties in the current pneumatic butterfly valve, and the operator in case the maloperation appears the safety risk.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the pneumatic actuator protector and the safety device are lacked in the prior art, and the pneumatic wafer type rubber sealing butterfly valve with high safety is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high pneumatic butt clamp formula rubber seal butterfly valve of security, includes the valve body, valve body upside fixed mounting has the mount pad, valve body bottom fixed mounting has the base, the mount pad is kept away from valve body one side fixed mounting and is had pneumatic actuator, mount pad bilateral symmetry fixed mounting has two fixed plates, two install the protection casing on the fixed plate jointly, be equipped with chucking device between protection casing and the fixed plate, install reinforcing apparatus in the protection casing, pneumatic actuator is close to mount pad one side movable mounting and has the case, and the case keeps away from pneumatic actuator one end activity and runs through mount pad, valve body and base, base one side activity is inserted and is equipped with the gag lever post, and the gag lever post runs through the outer wall of base and case.

In the pneumatic wafer type rubber sealing butterfly valve with high safety, the clamping device comprises two insertion rods, wherein the two insertion rods are symmetrically and fixedly installed on one side, close to the fixed plate, of the protective cover, the insertion holes are formed in the fixed plate, and the insertion rods and the insertion holes are matched with each other.

In the pneumatic wafer type rubber sealing butterfly valve with high safety, the inserted rod is far away from the outer wall of one side of the mounting seat and is provided with a limiting groove, the limiting groove is close to one side of the mounting seat and is fixedly provided with a second spring, and one end of the second spring, far away from the mounting seat, is fixedly provided with an inclined plane clamping rod.

In the pneumatic butt clamp formula rubber seal butterfly valve of foretell high security, reinforcing apparatus includes movable mounting's gusset plate in the protection casing, the gusset plate is kept away from pneumatic actuator one side outer wall equidistance fixed mounting and is had a plurality of telescopic links, every the telescopic link is kept away from the equal fixed mounting of gusset plate one end on the inner wall of protection casing, every all the cover is equipped with first spring on the hand telescopic link, first spring both ends difference fixed mounting is on the inner wall of gusset plate outer wall and protection casing.

In foretell high pneumatic wafer formula rubber seal butterfly valve of security, symmetry fixed mounting has two slide bars on the outer wall of gusset plate both sides, two spouts have been seted up to the symmetry on the inner wall of protection casing both sides, mutually support between slide bar and the spout, and slidable mounting.

In the pneumatic wafer type rubber sealing butterfly valve with high safety, the mounting groove is formed in the side wall of the limiting rod, the third spring is fixedly mounted on the bottom wall of the mounting groove, and the spherical clamping rod is fixedly mounted at one end, far away from the mounting groove, of the third spring.

Compared with the prior art, the utility model discloses the advantage lies in:

1. the utility model has the advantages that the protective cover is arranged on the pneumatic actuator, and the reinforcing device is arranged in the protective cover, so that the pneumatic actuator is more stable during working, and the service life of the pneumatic actuator is prolonged;

2. the utility model discloses installed the gag lever post on the base, carried on spacingly to the case, prevented that operator's maloperation from opening the valve, carry out the insurance to the valve and lock, improved the factor of safety that the valve used.

Drawings

Fig. 1 is a front view of a pneumatic wafer type rubber sealing butterfly valve with high safety according to the present invention;

FIG. 2 is an enlarged view of the structure of the portion A of the pneumatic wafer type rubber sealing butterfly valve with high safety according to the present invention;

fig. 3 is an enlarged view of the structure of the part B of the pneumatic wafer type rubber seal butterfly valve with high safety according to the present invention.

In the figure: the valve comprises a valve body 1, a mounting seat 2, a pneumatic actuator 3, a protective cover 4, a fixing plate 5, a valve core 6, a base 7, a limiting rod 8, a reinforcing plate 9, a sliding rod 10, a sliding groove 11, a telescopic rod 12, a first spring 13, an inserted rod 14, a limiting groove 15, a second spring 16, an inclined plane clamping rod 17, a mounting groove 18, a third spring 19 and a spherical clamping rod 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a pneumatic wafer-type rubber sealing butterfly valve with high safety comprises a valve body 1, a mounting seat 2 is fixedly mounted on the upper side of the valve body 1, a base 7 is fixedly mounted at the bottom of the valve body 1, a pneumatic actuator 3 is fixedly mounted on one side of the mounting seat 2 far away from the valve body 1, two fixing plates 5 are symmetrically and fixedly mounted on two sides of the mounting seat 2, a protective cover 4 is commonly mounted on the two fixing plates 5, a clamping device is arranged between the protective cover 4 and the fixing plates 5, the clamping device comprises two insert rods 14 symmetrically and fixedly mounted on one side of the protective cover 4 close to the fixing plates 5, jacks are formed in the two fixing plates 5, the insert rods 14 and the jacks are matched with each other, a limiting groove 15 is formed in the outer wall of one side of the insert rod 14 far away from the mounting seat 2, a second spring 16 is fixedly mounted on, the protective cover 4 is internally provided with a reinforcing device, the reinforcing device comprises a reinforcing plate 9 movably arranged in the protective cover 4, two sliding rods 10 are symmetrically and fixedly arranged on the outer walls of two sides of the reinforcing plate 9, two sliding grooves 11 are symmetrically arranged on the inner walls of two sides of the protective cover 4, the sliding rods 10 and the sliding grooves 11 are mutually matched and are slidably arranged, a plurality of telescopic rods 12 are fixedly arranged on the outer wall of one side of the reinforcing plate 9, which is far away from the pneumatic actuator 3, at equal intervals, one end of each telescopic rod 12, which is far away from the reinforcing plate 9, is fixedly arranged on the inner wall of the protective cover 4, each hand telescopic rod 12 is sleeved with a first spring 13, two ends of each first spring 13 are respectively and fixedly arranged on the outer wall of the reinforcing plate 9 and the inner wall of the protective cover 4, the protective cover 4 is arranged on the pneumatic actuator 3, and, the service life of the pneumatic actuator 3 is prolonged.

Pneumatic actuator 3 is close to 2 one side movable mounting of mount pad has case 6, and case 6 keeps away from 3 one end activities of pneumatic actuator and runs through mount pad 2, valve body 1 and base 7, base 7 one side activity is inserted and is equipped with gag lever post 8, and gag lever post 8 runs through the outer wall of base 7 and case 6, mounting groove 18 has been seted up on the gag lever post 8 lateral wall, fixed mounting has third spring 19 on the 18 diapire of mounting groove, third spring 19 keeps away from 18 one end fixed mounting of mounting groove and has spherical kelly 20, it is worth noting, gag lever post 8 has been installed on the base 7, it is spacing to case 6, prevent that operator's maloperation from opening the valve, it locks to carry out the insurance to the valve, the factor of safety that.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The utility model discloses the theory of operation: the limiting rod 8 is drawn out, the structure of the spherical clamping rod 20 enables the spherical clamping rod 20 to be pressed into the mounting groove 18 automatically without being pressed by hands when the limiting rod 8 is pulled, the same effect is achieved when the limiting rod is inserted, the position of the valve core 6 can be fixed when the limiting rod 8 is inserted into the base 7, the limiting rod cannot rotate, and the safety effect is achieved.

When the protective cover 4 is installed, the two insertion rods 14 are inserted into the insertion holes, when the protective cover 4 is inserted, the two inclined clamping rods 17 are pressed into the limiting grooves 15 under the pressure effect of the inner wall of the insertion holes, the inclined clamping rods 17 pop out of the limiting grooves 15 under the elastic force effect of the second springs 16 and are clamped on the fixing plate 5 until the inclined clamping rods 17 completely penetrate through the insertion holes, meanwhile, the pneumatic actuator 3 can press the reinforcing plate 9, the reinforcing plate 9 presses the first springs 13, the elastic force generated by the first springs 13 counteracts the reinforcing plate 9, so that the pneumatic actuator 3 is tightly pressed by the reinforcing plate 9, when the protective cover 4 is disassembled, the two inclined clamping rods 17 are pressed into the limiting grooves 15 by hands, the two insertion rods 14 are pulled out, and the protective cover 4 can be taken down.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a high pneumatic wafer formula rubber seal butterfly valve of security, includes valve body (1), its characterized in that, valve body (1) upside fixed mounting has mount pad (2), valve body (1) bottom fixed mounting has base (7), valve body (1) one side fixed mounting is kept away from in mount pad (2) has pneumatic actuator (3), mount pad (2) bilateral symmetry fixed mounting has two fixed plates (5), two install protection casing (4) jointly on fixed plate (5), be equipped with the chucking device between protection casing (4) and fixed plate (5), install reinforcing apparatus in protection casing (4), pneumatic actuator (3) are close to mount pad (2) one side movable mounting and have case (6), and case (6) keep away from pneumatic actuator (3) one end activity and run through mount pad (2) The valve comprises a valve body (1) and a base (7), wherein a limiting rod (8) is movably inserted into one side of the base (7), and the limiting rod (8) penetrates through the outer walls of the base (7) and a valve core (6).

2. The pneumatic wafer type rubber sealing butterfly valve with high safety according to claim 1, wherein the clamping device comprises two insertion rods (14) symmetrically and fixedly installed on one side, close to the fixing plate (5), of the protective cover (4), the two fixing plates (5) are provided with insertion holes, and the insertion rods (14) and the insertion holes are matched with each other.

3. The pneumatic wafer-type rubber sealing butterfly valve with high safety according to claim 2, wherein a limiting groove (15) is formed in an outer wall of the inserted rod (14) on a side away from the mounting seat (2), a second spring (16) is fixedly mounted on a side of the limiting groove (15) close to the mounting seat (2), and an inclined clamping rod (17) is fixedly mounted on one end, away from the mounting seat (2), of the second spring (16).

4. The pneumatic wafer type rubber sealing butterfly valve with high safety according to claim 1, wherein the reinforcing device comprises a reinforcing plate (9) movably mounted in the protective cover (4), a plurality of telescopic rods (12) are fixedly mounted on the outer wall of one side, away from the pneumatic actuator (3), of the reinforcing plate (9) at equal distances, one end, away from the reinforcing plate (9), of each telescopic rod (12) is fixedly mounted on the inner wall of the protective cover (4), each telescopic rod (12) is sleeved with a first spring (13), and two ends of each first spring (13) are fixedly mounted on the outer wall of the reinforcing plate (9) and the inner wall of the protective cover (4) respectively.

5. The pneumatic wafer type rubber sealing butterfly valve with high safety according to claim 4, wherein two sliding rods (10) are symmetrically and fixedly mounted on the outer walls of two sides of the reinforcing plate (9), two sliding grooves (11) are symmetrically formed on the inner walls of two sides of the protection cover (4), and the sliding rods (10) and the sliding grooves (11) are matched with each other and are slidably mounted.

6. The pneumatic wafer type rubber seal butterfly valve with high safety according to claim 1, wherein a mounting groove (18) is formed in a side wall of the limiting rod (8), a third spring (19) is fixedly mounted on a bottom wall of the mounting groove (18), and a spherical clamping rod (20) is fixedly mounted at one end, far away from the mounting groove (18), of the third spring (19).

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