CN216242348U

CN216242348U - Central line butt-clamped rubber-lined cast steel butterfly valve

Info

Publication number: CN216242348U
Application number: CN202122797582.9U
Authority: CN
Inventors: 宋文杰; 宋二朋
Original assignee: Tianjin Puluosi Valve Co ltd
Current assignee: Tianjin Puluosi Valve Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-08
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a center line opposite-clamping rubber-lined cast steel butterfly valve which comprises a lower valve body, a filtering assembly, a connecting pipe A and a connecting pipe B, wherein the filtering assembly is arranged at the rear part of the lower valve body and comprises a round frame, a screen mesh, a connecting rod, a gasket and an assembling bolt, the upper end of the connecting pipe A is fixedly connected with a hanging lug A, the upper end of the connecting pipe B is fixedly connected with a hanging lug B, the upper end of the lower valve body is provided with an upper valve body, two sides of the upper valve body are fixedly connected with lock chains, the lock chains penetrate through the hanging lug A and the hanging lug B, and the tail ends of the hanging lug A and the hanging lug B are detachably connected with lock bodies. According to the center line opposite-clamping rubber-lined cast steel butterfly valve, the lock chains penetrate through the hanging lug A and the hanging lug B, and the fixed lock bodies penetrate through the tail ends of the hanging lug A and the hanging lug B, so that the lock chains at two ends are respectively connected and locked with the hanging lug A and the hanging lug B, and unlocking cannot be performed by a non-key.

Description

Central line butt-clamped rubber-lined cast steel butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a center line pair-clamped rubber-lined cast steel butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing member which is a disc and rotates around a valve shaft to open and close. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

Patent No. CN202020975856.1 discloses a butterfly valve with high sealing performance. The butterfly valve of the utility model is characterized in that: the butterfly valve comprises a circular body, wherein a valve seat is arranged at the base part of the body, a butterfly plate is arranged in the body, and a valve rod penetrates through the central position of the body and is connected with a driving device positioned at the top of the body; the top of the valve rod is sleeved with a bushing, the butterfly plate is positioned on the outer side of the valve rod, and the butterfly plate is in pin-free connection or taper pin connection with the valve rod; the outer surfaces of the body and the butterfly plate are both provided with sealing coatings, and the end part of the body is provided with an O-shaped ring. The body and the butterfly plate both adopt the sealing coating with a specific structure to improve the sealing performance of the product and increase the application range of the product; meanwhile, the pin-free connection and sealing centering scheme is adopted, so that the complete isolation of the medium and the metal is ensured, the butterfly valve is simple and easy to maintain and long in service life, and in addition, the epoxy resin coating is adopted on the outer surface of the valve, so that the valve is not only exquisite in appearance, but also has the corrosion resistance.

At present, the center line pair rubber-lined cast steel butterfly valve has the following disadvantages: 1. the traditional center line pair rubber-lined cast steel butterfly valve is easy to steal, and the property loss is brought to related personnel; 2. when the traditional center line pair lining rubber cast steel butterfly valve is used, dirt mixed in water is easily attached to the inner wall of the valve body, and related personnel cannot clean the butterfly valve conveniently. Therefore, a middle line pair-clamped rubber-lined cast steel butterfly valve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a center line opposite-clamping rubber-lined cast steel butterfly valve, which can effectively solve the problems in the background technology by enabling lock chains to penetrate through a hanging lug A and a hanging lug B and winding a fixed lock body at the tail ends of the hanging lug A and the hanging lug B to enable the lock chains at two ends to be respectively connected and locked with the hanging lug A and the hanging lug B, and enabling unlocking to be unavailable due to a non-key mode.

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

the utility model provides a central line is to pressing from both sides lining cast steel butterfly valve, includes valve body down, still includes filtering component, connecting pipe A and connecting pipe B, filtering component is installed at the valve body rear portion down, filtering component includes circle frame, sieve silk screen, connecting rod, gasket and equipment bolt, connecting pipe A upper end fixedly connected with hangers A, connecting pipe B upper end fixedly connected with hangers B, the valve body is installed to valve body upper end down, go up the equal fixedly connected with chain in valve body both sides, the chain runs through hangers A and hangers B, hangers A and hangers B end detachably are connected with the lock body.

Furthermore, a screen mesh is fixedly connected to the inner side wall of the circular frame, and a connecting rod is fixedly connected to one side of the circular frame; the screen wire mesh filters impurities from the liquid flowing through the butterfly valve passage.

Furthermore, the tail end of the connecting rod is fixedly connected with a gasket; the gasket docks with the screw on the lower valve body, makes things convenient for the equipment bolt to insert and is connected.

Furthermore, an assembling bolt is inserted on the gasket in a penetrating manner, and the tail end of the assembling bolt is screwed with the lower valve body in a threaded manner; the assembling bolt penetrates through the gasket and is screwed and fixed inside the screw hole on the lower valve body.

Furthermore, the upper end and the lower end of the lower valve body are fixedly connected with assembling lugs, and assembling holes are formed in the outer surfaces of the assembling lugs; the assembly holes on the assembly lugs are convenient to be connected and fixed with the pipelines on the two sides.

Compared with the prior art, the utility model has the following beneficial effects that 1, the upper ends of the connecting pipe A and the connecting pipe B are provided with the hanging lug A and the hanging lug B, the two sides of the upper valve body are both fixed with the lock chains, after the pipeline and the butterfly valve are assembled, the lock chains penetrate through the hanging lug A and the hanging lug B, and the tail ends of the hanging lug A and the hanging lug B are wound with the fixed lock body, so that the lock chains at the two ends are respectively connected and locked with the hanging lug A and the hanging lug B, and the lock body cannot be unlocked by a non-key, thereby solving the problems that the traditional middle line pair rubber-lined cast steel butterfly valve is easy to steal and causes property loss to related personnel; 2. through the design there is filter assembly, filter assembly includes the circle frame, sieve silk screen, the connecting rod, gasket and equipment bolt, the gasket docks with the screw on the lower valve body, make things convenient for equipment bolt to insert and connect, through passing the gasket with the equipment bolt and revolve twist be fixed in down the screw on the valve body inside, sieve silk screen carries out impurity filtering to the liquid that flows through the butterfly valve passageway, the problem of central line in the past to pressing from both sides the dirt that lining rubber cast steel butterfly valve mix with in the aquatic when using attached to the valve body inner wall easily, relevant personnel of being not convenient for clear up is solved.

Drawings

Fig. 1 is a schematic view of the overall structure of a center line pair sandwiched rubber-lined cast steel butterfly valve of the present invention.

Fig. 2 is a schematic structural diagram of a filter assembly of a center line pair sandwiched rubber-lined cast steel butterfly valve according to the present invention.

Fig. 3 is a schematic view of a pipeline assembly structure of a center line pair sandwiched rubber-lined cast steel butterfly valve according to the present invention.

In the figure: 1. a lower valve body; 2. assembling the lug; 3. assembling holes; 4. a filter assembly; 401. a round frame; 402. screening a silk screen; 403. a connecting rod; 404. a gasket; 405. assembling the bolts; 5. a connecting pipe A; 6. a connecting pipe B; 7. a suspension loop A; 8. a hanging lug B; 9. a chain; 10. a lock body; 11. and an upper valve body.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a center line opposite clamping rubber-lined cast steel butterfly valve comprises a lower valve body 1, and further comprises a filter assembly 4, a connecting pipe a5 and a connecting pipe B6, wherein the filter assembly 4 is installed at the rear part of the lower valve body 1, the filter assembly 4 comprises a circular frame 401, a screen mesh 402, a connecting rod 403, a gasket 404 and an assembling bolt 405, the upper end of the connecting pipe a5 is fixedly connected with a hanging lug a7, the upper end of the connecting pipe B6 is fixedly connected with a hanging lug B8, the upper end of the lower valve body 1 is provided with an upper valve body 11, two sides of the upper valve body 11 are fixedly connected with a lock chain 9, the lock chain 9 penetrates through the hanging lug a7 and the hanging lug B8, and the tail ends of the hanging lug a7 and the hanging lug B8 are detachably connected with a lock body 10.

A screen mesh 402 is fixedly connected to the inner side wall of the circular frame 401, and a connecting rod 403 is fixedly connected to one side of the circular frame 401; the screen mesh 402 filters impurities from the liquid flowing through the butterfly valve passage.

Wherein, a gasket 404 is fixedly connected to the tail end of the connecting rod 403; the gasket 404 is butted with a screw hole on the lower valve body 1, so that the insertion connection of an assembly bolt 405 is facilitated.

Wherein, an assembling bolt 405 is inserted through the gasket 404, and the tail end of the assembling bolt 405 is screwed with the lower valve body 1; the assembly bolts 405 are inserted through the spacers 404 and screwed into the screw holes formed in the lower valve body 1.

The upper end and the lower end of the lower valve body 1 are fixedly connected with assembling lugs 2, and assembling holes 3 are formed in the outer surfaces of the assembling lugs 2; the assembling holes 3 on the assembling lugs 2 are convenient to be connected and fixed with the pipelines at two sides.

The utility model is characterized in that the middle line opposite clamping rubber-lined cast steel butterfly valve is characterized in that a hanging lug A7 and a hanging lug B8 are arranged at the upper ends of a connecting pipe A5 and a connecting pipe B6 during working, lock chains 9 are fixed on two sides of an upper valve body 11, after a pipeline is assembled with the butterfly valve, the lock chains 9 penetrate through the hanging lug A7 and the hanging lug B8, and a fixed lock body 10 is wound at the tail ends of the hanging lug A7 and the hanging lug B8, so that the lock chains 9 at two ends are respectively connected and locked with the hanging lug A7 and the hanging lug B8, and the lock cannot be unlocked by a non-key, and the problems that the middle line opposite clamping rubber-lined cast steel butterfly valve is easy to steal and property loss is brought to related personnel are solved; through the design there is filter assembly 4, filter assembly 4 includes circle frame 401, sieve silk screen 402, connecting rod 403, gasket 404 and equipment bolt 405, gasket 404 docks with the screw on the lower valve body 1, make things convenient for equipment bolt 405 to insert the connection, through passing gasket 404 with equipment bolt 405 and twist inside being fixed in the screw on the lower valve body 1, sieve silk screen 402 carries out impurity filtering to the liquid that flows the butterfly valve passageway, the problem of the central line in the past to pressing from both sides the dirt that lining rubber cast steel butterfly valve mix with in the water when using attached to the valve body inner wall easily, be not convenient for relevant personnel to clear up is solved.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a central line pair presss from both sides lining rubber cast steel butterfly valve, includes lower valve body (1), its characterized in that: still include filtering component (4), connecting pipe A (5) and connecting pipe B (6), filtering component (4) are installed at valve body (1) rear portion down, filtering component (4) are including circle frame (401), sieve silk screen (402), connecting rod (403), gasket (404) and equipment bolt (405), connecting pipe A (5) upper end fixedly connected with hangers A (7), connecting pipe B (6) upper end fixedly connected with hangers B (8), valve body (11) are installed to valve body (1) upper end down, go up equal fixedly connected with chain (9) in valve body (11) both sides, chain (9) run through hangers A (7) and hangers B (8), hangers A (7) and hangers B (8) end can be dismantled and be connected with lock body (10).

2. A center line pair lined cast steel butterfly valve as claimed in claim 1, wherein: the screen mesh (402) is fixedly connected to the inner side wall of the circular frame (401), and the connecting rod (403) is fixedly connected to one side of the circular frame (401).

3. A center line pair lined cast steel butterfly valve as claimed in claim 1, wherein: the tail end of the connecting rod (403) is fixedly connected with a gasket (404).

4. A center line pair lined cast steel butterfly valve as claimed in claim 1, wherein: an assembling bolt (405) penetrates through the gasket (404), and the tail end of the assembling bolt (405) is screwed with the lower valve body (1).

5. A center line pair lined cast steel butterfly valve as claimed in claim 1, wherein: the equal fixedly connected with equipment ear (2) of lower extreme on valve body (1) down, equipment hole (3) have been seted up to equipment ear (2) surface.