CN219510251U - A pneumatic telescopic butterfly valve with self-locking structure - Google Patents

Abstract

The utility model belongs to the technical field of butterfly valves, and particularly relates to a pneumatic telescopic butterfly valve with a self-locking structure, which comprises a shell, wherein a water outlet is fixedly connected to the inner side of the shell, a support plate is fixedly connected to the outer side of the water outlet, a connecting rod is fixedly connected to the outer side of the support plate, one end of the support plate, which is far away from the connecting rod, is fixedly connected with the shell, a baffle is connected to the outer side of the connecting rod in a sliding manner, a base is fixedly connected to the inner side of the shell, a magnet is fixedly connected to the inner side of the base, a reset spring is fixedly connected to the outer side of the magnet, a limit plate is fixedly connected to one end of the reset spring, which is far away from the magnet, and a clamping rod is fixedly connected to the outer side of the limit plate. This pneumatic telescopic butterfly valve that possesses auto-lock structure through setting up delivery port, extension board, connecting rod, baffle, piston, spring, support, fixture block, base, magnet, reset spring, limiting plate, draw-in bar to reach the effect of locking the baffle position and can prevent through baffle, piston that rivers from taking place to flow against the current, thereby the effect of protection delivery port.

Description

A pneumatic telescopic butterfly valve with self-locking structure

technical field

The utility model relates to the technical field of butterfly valves, in particular to a pneumatic telescopic butterfly valve with a self-locking structure.

Background technique

Butterfly valve, also known as flap valve, is a regulating valve with simple structure, which can be used for switching control of low-pressure pipeline medium. A kind of valve, the valve can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media.

Existing telescopic butterfly valves usually use pneumatic or hydraulic drive devices to maintain pressure to achieve locking. Although this processing method has a simple structure and can achieve locking, the cost of continuous pressure maintenance is relatively high, and in case of sudden power failure, pneumatic Or the hydraulic device loses power, and the locking state of the butterfly valve cannot be guaranteed, which will affect normal production and cause safety accidents.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a pneumatic telescopic butterfly valve with a self-locking structure, which solves the problem that existing telescopic butterfly valves usually use pneumatic or hydraulic driving devices to maintain pressure to achieve locking, although this process The method is simple in structure and can achieve locking, but the cost of continuous pressure maintenance is relatively high, and if a sudden power failure occurs, the pneumatic or hydraulic device loses power, and the locking state of the butterfly valve cannot be guaranteed, which will affect normal production and cause serious problems. The problem of safety incidents.

In order to achieve the above purpose, the utility model provides the following technical solutions: a pneumatic retractable butterfly valve with a self-locking structure, including a casing, the inner side of the casing is fixedly connected with a water outlet, and the outside of the water outlet is fixedly connected with a support plate, The outer side of the support plate is fixedly connected with a connecting rod, the end of the support plate away from the connecting rod is fixedly connected with a housing, the outside of the connecting rod is slidably connected with a baffle plate, and the outside of the baffle plate is fixedly connected with a piston, so The side of the baffle far away from the piston is fixedly connected with a spring, the end of the spring far away from the baffle is fixedly connected with a support, the end of the support far away from the spring is fixedly connected with a housing, and the outer side of the baffle is fixedly connected with a block , the inside of the shell is fixedly connected with a base, the inside of the base is fixedly connected with a magnet, the outside of the magnet is fixedly connected with a return spring, and the end of the return spring away from the magnet is fixedly connected with a limit plate, and the limit The outside of the board is fixedly connected with a clamping rod.

As a preferred technical solution of the utility model, there are two support plates, one ends of the two support plates are fixedly connected to the outside of the water outlet and the other ends of the two support plates are fixedly connected to the inner side of the shell , two struts are symmetrically distributed.

As a preferred technical solution of the present utility model, there are two connecting rods and two supports, and one end of the two connecting rods is respectively fixedly connected to the outside of the corresponding support plate and the two connecting rods are far away from the support plate. One end is fixedly connected with a support, and the two connecting rods are slidingly connected with the baffle plate. The supports are distributed symmetrically, the specification of the piston matches the water outlet and the position of the piston corresponds to the water outlet.

As a preferred technical solution of the utility model, the number of the springs is the same as that of the connecting rod, and one end of the two springs is fixedly connected to the outside of the baffle and the other ends of the two springs are respectively fixedly connected to the two supports. The outside of the seat, and the two springs are respectively arranged on the outside of the two connecting rods.

As a preferred technical solution of the present utility model, there are two blocks, both of which are fixedly connected to the outside of the baffle and are symmetrically distributed, and the specifications of the two blocks are same.

As a preferred technical solution of the present invention, there are two groups of bases and each group is not less than five, and the bases of the two groups are fixedly connected to the inner side of the shell and the two groups of bases are symmetrically distributed. The bases are distributed at equal intervals, and each of the bases has the same specification and size.

As a preferred technical solution of the utility model, the sizes of the limiting plate and the clamping rod are all matched with the base and the specifications of the clamping rod are matched with the clamping block, and the limiting plate is made of metal iron material. The magnet is electrically connected with an external power source.

Compared with the prior art, the utility model provides a pneumatic telescopic butterfly valve with a self-locking structure, which has the following beneficial effects:

This kind of pneumatic telescopic butterfly valve with self-locking structure is equipped with water outlet, support plate, connecting rod, baffle plate, piston, spring, support, block, base, magnet, return spring, limit plate, and clamping rod. When in use, the water source will flow out from the water outlet. At this time, the water will impact the piston. At this time, the piston will be driven to move. The movement of the piston will drive the baffle to move through the connecting rod. The movement of the baffle will squeeze the spring. At the same time, the movement of the baffle will drive the card. Block movement, when the block moves to a certain position, the block will contact with the bar, at this time, the bar will move to the base under the influence of the block, the bar movement will drive the limit plate to move, and the limit plate will compress the return spring , when the lever moves to a certain position, the block will move to the right side of the lever, at this time, the baffle will be blocked by the lever, and the position of the baffle will be fixed, so as to achieve the effect of locking the position of the baffle , and when the baffle needs to be retracted, the user can energize the magnet to generate magnetism and then attract the limit plate. At this time, the clamping rod will be retracted into the base. The plate will return to the original position under the influence of the spring, and the baffle plate and the piston can prevent the water flow from flowing backward, thereby protecting the effect of the water outlet.

Description of drawings

Fig. 1 is the utility model sectional schematic diagram;

Fig. 2 is a three-dimensional schematic diagram of a support plate, a connecting rod, a spring, and a support of the utility model;

Fig. 3 is the enlarged schematic diagram of the structure of A place of the utility model;

Fig. 4 is an enlarged schematic diagram of the structure at B of the utility model.

In the figure: 1. Shell; 2. Water outlet; 3. Support plate; 4. Connecting rod; 5. Baffle; 6. Piston; 7. Spring; 8. Support; 9. Block; 10. Base; 11 , magnet; 12, return spring; 13, limit plate; 14, clamping rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, in this embodiment: a pneumatic retractable butterfly valve with a self-locking structure, including a casing 1, the inner side of the casing 1 is fixedly connected with a water outlet 2, and the outside of the water outlet 2 is fixedly connected with a support plate 3, The outer side of the support plate 3 is fixedly connected with the connecting rod 4, the end of the support plate 3 away from the connecting rod 4 is fixedly connected with the shell 1, the outside of the connecting rod 4 is slidably connected with the baffle plate 5, and the outside of the baffle plate 5 is fixedly connected with the piston 6, The side of the baffle plate 5 away from the piston 6 is fixedly connected with a spring 7, the end of the spring 7 away from the baffle plate 5 is fixedly connected with a support 8, the end of the support 8 away from the spring 7 is fixedly connected with the housing 1, and the outer side of the baffle plate 5 is fixedly connected There is a block 9, the inner side of the shell 1 is fixedly connected with a base 10, the inner side of the base 10 is fixedly connected with a magnet 11, and the outside of the magnet 11 is fixedly connected with a return spring 12, and the end of the return spring 12 away from the magnet 11 is fixedly connected with a limit plate 13 , the outside of the limiting plate 13 is fixedly connected with a clamping rod 14. This kind of pneumatic telescopic butterfly valve with a self-locking structure is provided with a water outlet 2, a support plate 3, a connecting rod 4, a baffle plate 5, a piston 6, a spring 7, Support 8, block 9, base 10, magnet 11, return spring 12, limit plate 13, clamping rod 14, when in use, the water source will flow out from the water outlet 2, and at this time the water will impact the piston 6 when the water flow, at this time the piston 6 will be driven to move, the movement of the piston 6 will drive the baffle 5 to move through the connecting rod 4, the movement of the baffle 5 will squeeze the spring 7, and at the same time, the movement of the baffle 5 will drive the block 9 to move, when the block 9 moves to a certain position, Block 9 can contact with clip bar 14, and at this moment, clip bar 14 can move toward base 10 by the influence of block 9, and clip bar 14 motion can drive limit plate 13 to move, and limit plate 13 motion can compress return spring 12, when card When the bar 14 moves to a certain position, the block 9 will move to the right side of the bar 14. At this time, the baffle plate 5 will be blocked by the bar 14. At this time, the position of the baffle plate 5 will be fixed, so as to achieve the purpose of locking the baffle plate. 5 position, and when the baffle 5 needs to be retracted, the user can energize the magnet 11 to generate magnetism and then attract the limiting plate 13, at this time the clamping rod 14 will be retracted into the base 10, and the clamping rod 14 will not When the baffle 5 is blocked, the baffle 5 will return to its original position under the influence of the spring 7, and the baffle 5 and the piston 6 can prevent the water from flowing backward, thereby protecting the effect of the water outlet 2.

There are two support plates 3, one ends of the two support plates 3 are fixedly connected to the outside of the water outlet 2 and the other ends of the two support plates 3 are fixedly connected to the inner side of the shell 1, and the two support plates 3 are symmetrically distributed. There are two connecting rods 4 and two supports 8, one end of the two connecting rods 4 is respectively fixedly connected to the outside of the corresponding support plate 3 and the ends of the two connecting rods 4 away from the support plate 3 are fixedly connected to the support 8, The two connecting rods 4 are slidingly connected with the baffle plate 5, the specifications of the two supports 8 are the same as those of the two support plates 3 and the two supports 8 are fixedly connected to the inner side of the shell 1, and the two supports 8 are symmetrically distributed. The specifications of the piston 6 match the water outlet 2 and the position of the piston 6 corresponds to the water outlet 2. The number of springs 7 is the same as that of the connecting rod 4. One end of the two springs 7 is fixedly connected to the outside of the baffle 5 and two The other ends of the springs 7 are respectively fixedly connected to the outsides of the two supports 8 , and the two springs 7 are respectively arranged on the outsides of the two connecting rods 4 .

There are two blocks 9, and the two blocks 9 are fixedly connected to the outside of the baffle plate 5 and the two blocks 9 are symmetrically distributed. The specifications and sizes of the two blocks 9 are the same. Less than five, two sets of bases 10 are fixedly connected to the inner side of the shell 1 and the two sets of bases 10 are symmetrically distributed, each set of bases 10 is equally spaced, each base 10 has the same specification and size, the limit plate 13, the clamping rod 14 The size of the base 10 is matched and the specifications of the clamping rod 14 are matched with the clamping block 9. The limiting plate 13 is made of metal iron material, and the magnet 11 is electrically connected to the external power supply.

The working principle and application process of the utility model: when in use, the water source will flow out from the water outlet 2. At this time, the water flow will impact the piston 6. At this time, the piston 6 will be driven to move, and the movement of the piston 6 will drive the baffle plate 5 to pass through the connecting rod 4. Movement, the movement of the baffle plate 5 will squeeze the spring 7, and at the same time, the movement of the baffle plate 5 will drive the block 9 to move. When the block 9 moves to a certain position, the block 9 will be in contact with the lever 14. The impact of the block 9 will move to the base 10, the movement of the clamping rod 14 will drive the movement of the limiting plate 13, the movement of the limiting plate 13 will compress the return spring 12, and when the clamping rod 14 moves to a certain position, the clamping block 9 will move to the clamping rod 14 At this time, the baffle plate 5 will be blocked by the clamp rod 14, and the position of the baffle plate 5 will be fixed at this time, so as to achieve the effect of locking the position of the baffle plate 5, and when the baffle plate 5 needs to be retracted, the user can The limit plate 13 is attracted after the magnet 11 is energized to generate magnetism. At this time, the clamping rod 14 will be retracted into the base 10. At this time, the clamping rod 14 will not block the baffle plate 5. At this time, the baffle plate 5 is held by the spring 7. The impact will return to the original position, and the backflow of the water flow can be prevented by the baffle plate 5 and the piston 6, thereby protecting the effect of the water outlet 2.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a pneumatic flexible butterfly valve that possesses auto-lock structure, includes shell (1), its characterized in that: the utility model discloses a water outlet device, including shell (1), outside fixedly connected with delivery port (2), outside fixedly connected with extension board (3) of delivery port (2), outside fixedly connected with connecting rod (4) of extension board (3), one end fixedly connected with shell (1) of connecting rod (4) are kept away from to extension board (3), outside sliding connection of connecting rod (4) has baffle (5), the outside fixedly connected with piston (6) of baffle (5), one side fixedly connected with spring (7) of piston (6) are kept away from to baffle (5), one end fixedly connected with support (8) of baffle (5) are kept away from to spring (7), one end fixedly connected with shell (1) of spring (7) are kept away from to support (8), one end fixedly connected with fixture block (9) in the outside of baffle (5), the outside fixedly connected with base (10) of shell (1), the inside fixedly connected with magnet (11) of base (10), the outside fixedly connected with reset spring (12) of magnet (11), one end fixedly connected with stop lever (13) of magnet (11) is kept away from to reset spring (12).

2. The pneumatic telescopic butterfly valve with a self-locking structure according to claim 1, wherein: two support plates (3) are arranged, one ends of the two support plates (3) are fixedly connected to the outside of the water outlet (2), the other ends of the two support plates (3) are fixedly connected to the inner side of the shell (1), and the two support plates (3) are symmetrically distributed.

3. The pneumatic telescopic butterfly valve with a self-locking structure according to claim 1, wherein: connecting rod (4), support (8) all have two, two the one end of connecting rod (4) is fixed connection respectively in the outside of corresponding extension board (3) and the equal fixedly connected with support (8) of one end that extension board (3) were kept away from to two connecting rods (4), two connecting rod (4) all with baffle (5) sliding connection, two the specification of support (8) is the same and two support (8) all fixed connection in the inboard of shell (1) with two extension boards (3), two support (8) symmetric distribution, the specification of piston (6) and delivery port (2) assorted and the position of piston (6) are corresponding with delivery port (2).

4. The pneumatic telescopic butterfly valve with a self-locking structure according to claim 1, wherein: the number of the springs (7) is the same as that of the connecting rods (4), one ends of the two springs (7) are fixedly connected to the outside of the baffle plate (5), the other ends of the two springs (7) are respectively and fixedly connected to the outside of the two supports (8), and the two springs (7) are respectively arranged on the outside of the two connecting rods (4).

5. The pneumatic telescopic butterfly valve with a self-locking structure according to claim 1, wherein: the two clamping blocks (9) are fixedly connected to the outer sides of the baffle plates (5), the two clamping blocks (9) are symmetrically distributed, and the two clamping blocks (9) are identical in specification and size.

6. The pneumatic telescopic butterfly valve with a self-locking structure according to claim 1, wherein: the base (10) is provided with two groups, each group is not less than five, the two groups of the bases (10) are fixedly connected to the inner side of the shell (1) and the two groups of the bases (10) are symmetrically distributed, each group of the bases (10) are distributed at equal intervals, and the specification and the size of each base (10) are the same.

7. The pneumatic telescopic butterfly valve with a self-locking structure according to claim 1, wherein: the size of the limiting plate (13) and the size of the clamping rod (14) are matched with those of the base (10) and the specification of the clamping rod (14) is matched with that of the clamping block (9), the limiting plate (13) is made of metal iron materials, and the magnet (11) is electrically connected with an external power supply.