CN212839467U - Flat gate valve with protective cover - Google Patents

Abstract

The utility model discloses a take plate valve of safety cover, including valve body and disk seat, the valve body includes two vertical plate bodys, two the fixed cover of plate body symmetry connects in the outside of disk seat, the equal fixedly connected with in both ends of disk seat rather than the communicating pipe of intercommunication, be provided with the installation mechanism with outside pipeline intercommunication on keeping away from the lateral wall of disk seat communicating pipe, two the upper end fixedly connected with of plate body is with a horizontally backup pad, and is connected by fixed establishment between backup pad and the plate body, fixed the cup joint has vertical rectangle safety cover on the lateral wall of backup pad, and the upper end of rectangle safety cover has seted up trapezoidal opening. The utility model discloses the effect of protection can be played to the junction to the annular protective sheath, helps the long-term use of junction, and the rectangle safety cover can play the effect of protection to valve rod and valve plate in addition, helps rectangle safety cover inner structure's stability, helps the long-term use of equipment.

Description

Flat gate valve with protective cover

Technical Field

The utility model relates to a gate valve technical field especially relates to a take plate valve of safety cover.

Background

The flat gate valve is a sliding valve with a closing part being a parallel gate plate, and is widely applied to conveying pipelines, emptying systems and gas storage devices of natural gas, petroleum, chemical engineering, environmental protection, urban pipelines, gas pipelines and the like and is used as opening and closing equipment.

The existing gate valve for natural gas is usually buried underground, the problem that the service life and safety of the valve are affected due to corrosivity needs to be solved, in addition, a valve rod needs to be lengthened to facilitate operation, but the problems that torque is large and the valve rod is prone to deformation caused by lengthening of the valve rod need to be considered, and the stability of the valve rod needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a flat gate valve with a protective cover.

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

a flat gate valve with a protective cover comprises a valve body and a valve seat, wherein the valve body comprises two vertical plate bodies, the two plate bodies are symmetrically fixedly sleeved on the outer side of the valve seat, two ends of the valve seat are fixedly connected with communicating pipes communicated with the valve seat, a side wall of each communicating pipe, which is far away from the valve seat, is provided with an installing mechanism communicated with an external pipeline, the upper ends of the two plate bodies are fixedly connected with the same horizontal supporting plate, the supporting plates are connected with the plate bodies through a fixing mechanism, the outer side wall of each supporting plate is fixedly sleeved with a vertical rectangular protective cover, the upper end of each rectangular protective cover is provided with a trapezoidal opening, a trapezoidal block is fixedly connected in each trapezoidal opening, the center of the upper end of each trapezoidal block is rotatably connected with a vertical valve rod, the upper end of each valve rod extends to the upper side of the trapezoidal block and is fixedly connected with a, the outer side wall of the valve rod is in threaded connection with a moving block, a vertical valve plate is fixedly connected to the side wall of the moving block, and the lower end of the valve plate extends between the two plate bodies and is communicated with the valve seat.

Preferably, a plurality of corresponding positioning holes are formed in the side walls of the two plates of the valve body, and fastening bolts for fixing are connected to the corresponding positioning holes in an internal thread mode.

Preferably, installation mechanism includes the ring flange of fixed connection on communicating pipe lateral wall, and the fixed cover of having connect with annular protective sheath on the communicating pipe lateral wall in the ring flange outside, the fixed intercommunication of ring flange and outside pipeline in the annular protective sheath, and fixedly connected with and outside pipeline seal's rubber circle on the annular protective sheath inner wall.

Preferably, the fixing mechanism comprises a threaded hole formed in the upper end of the supporting plate, the lower end of the threaded hole extends to the lower sides of the two plate bodies of the valve body, and a fastening screw and a nut which are used for fixing the supporting plate and the valve body are connected with the threaded hole in an inner thread mode.

Preferably, the upper end of backup pad is seted up the bar opening that corresponds with the valve plate, and the rubber circle of fixedly connected with and valve plate contact on the bar opening inner wall, the lower extreme of valve plate is convex, equal fixedly connected with and the U-shaped stopper of valve plate contact on two plate body inner walls of valve body, and by a plurality of bolt fixed connection between the inner wall of U-shaped stopper and valve body.

Preferably, the lower end of the rectangular protective cover is fixedly connected with the side wall of the supporting plate through a plurality of first screws, the rectangular protective cover is fixedly connected with the trapezoidal block through a plurality of second screws, the upper end of the trapezoidal block is fixedly connected with a bearing seat corresponding to the valve rod, and the valve rod is rotatably connected with a bearing in the bearing seat.

Compared with the prior art, the beneficial effects of the utility model are that: this practicality is convenient for being connected of valve body and outside pipeline under installation mechanism's use to the annular protective sheath can play the effect of protection to the junction, helps the long-term use of junction, has cup jointed the rectangle safety cover through the outside at the valve rod in addition, can play the effect of protection to valve rod and valve plate, helps the stability of rectangle safety cover inner structure, helps the long-term use of equipment.

Drawings

Fig. 1 is a schematic view of an external structure of a flat gate valve with a protective cover according to the present invention;

fig. 2 is a schematic view of a split internal structure of a flat gate valve with a protective cover according to the present invention;

fig. 3 is a schematic side view of the flat gate valve with the protection cover according to the present invention.

In the figure: the valve comprises a valve body 1, a valve seat 2, a communicating pipe 3, a supporting plate 4, a rectangular protective cover 5, a trapezoidal block 6, a valve rod 7, a rotating knob 8, a moving block 9, a valve plate 10, a flange plate 11, an annular protective sleeve 12, a fastening screw 13, a nut 14, a U-shaped limiting block 15, a first screw 16 and a second screw 17.

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 flat gate valve with a protective cover comprises a valve body 1 and a valve seat 2, wherein the valve body 1 comprises two vertical plate bodies, the two plate bodies are symmetrically fixedly sleeved on the outer side of the valve seat 2, specifically, a plurality of corresponding positioning holes are respectively formed on the side walls of the two plate bodies of the valve body 1, fastening bolts for fixing are connected with the corresponding positioning holes in an internal thread manner, two ends of the valve seat 2 are respectively and fixedly connected with a communicating pipe 3 communicated with the communicating pipe, an installing mechanism communicated with an external pipeline is arranged on the side wall of the communicating pipe 3 away from the valve seat 2, the installing mechanism comprises a flange 11 fixedly connected on the side wall of the communicating pipe 3, an annular protective sleeve 12 is fixedly sleeved on the outer side wall of the communicating pipe 3 outside the flange 11, the flange 11 in the annular protective sleeve 12 is fixedly communicated with the external, under the use of the mounting mechanism, the connection of the valve body 1 and an external pipeline is facilitated, and the annular protective sleeve 12 can play a role in protecting the connection part and is beneficial to the long-term use of the connection part.

Wherein, the upper end fixedly connected with of two plate bodies is with a horizontally backup pad 4, and is connected by fixed establishment between backup pad 4 and the plate body, and fixed establishment is including seting up the screw hole in backup pad 4 upper end, and the lower extreme of screw hole extends to two plate body downside of valve body 1, and screw hole female connection has fastening screw 13 and the nut 14 that is used for fixed support board 4 and valve body 1, guarantees the joint strength between backup pad 4 and the valve body 1.

Wherein, the outer side wall of the supporting plate 4 is fixedly sleeved with a vertical rectangular protective cover 5, the upper end of the rectangular protective cover 5 is provided with a trapezoidal opening, a trapezoidal block 6 is fixedly connected in the trapezoidal opening, the upper end center of the trapezoidal block 6 is rotatably connected with a vertical valve rod 7, the upper end of the valve rod 7 extends to the upper side of the trapezoidal block 6 and is fixedly connected with a rotating knob 8, the lower end of the valve rod 7 extends into the rectangular protective cover 5 and is rotatably connected with the upper end surface of the supporting plate 4, the outer side wall of the valve rod 7 is in threaded connection with a movable block 9, the side wall of the movable block 9 is fixedly connected with a vertical valve plate 10, the lower end of the valve plate 10 extends between the two plate bodies and is communicated with the valve seat 2, specifically, the upper end of the supporting plate 4 is provided with a bar-shaped opening corresponding to the valve plate 10, the inner wall of, equal fixedly connected with and valve plate 10U-shaped stopper 15 of contact on two plate body inner walls of valve body 1, and by a plurality of bolt fixed connection between U-shaped stopper 15 and the inner wall of valve body 1, more specifically, the lower extreme of rectangle safety cover 5 is through the lateral wall fixed connection of a plurality of first screws 16 and backup pad 4, and through a plurality of second screws 17 fixed connection between rectangle safety cover 5 and the trapezoidal piece 6, the upper end fixed connection of trapezoidal piece 6 and the bearing frame that valve rod 7 corresponds, and valve rod 7 rotates with the bearing in the bearing frame to be connected, turn to through adjusting valve rod 7, can realize the longitudinal movement of movable block 9, and then can highly adjust valve plate 10, accomplish and seal and open the operation.

The utility model discloses in, under installation mechanism's use, be convenient for valve body 1 and external pipeline's connection, and annular protective sheath 12 can play the effect of protection to the junction, help the long-term use of junction, in addition through having cup jointed rectangle safety cover 5 in the outside of valve rod 7, can play the effect of protection to valve rod 7 and valve plate 1, help the stability of 5 inner structure of rectangle safety cover, help the long-term use of equipment, and is concrete, through turning to of adjusting valve rod 7, can realize the longitudinal movement of movable block 9, and then can highly adjust valve plate 10, accomplish and seal and open the operation.

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. A flat gate valve with a protective cover comprises a valve body (1) and a valve seat (2), and is characterized in that the valve body (1) comprises two vertical plate bodies which are symmetrically and fixedly sleeved on the outer side of the valve seat (2), both ends of the valve seat (2) are fixedly connected with communicating pipes (3) communicated with the valve seat, an installation mechanism communicated with an external pipeline is arranged on the side wall of the communicating pipe (3) far away from the valve seat (2), the upper ends of the two plate bodies are fixedly connected with a same horizontal supporting plate (4), the supporting plate (4) and the plate bodies are connected by a fixing mechanism, a vertical rectangular protective cover (5) is fixedly sleeved on the outer side wall of the supporting plate (4), a trapezoidal opening is formed in the upper end of the rectangular protective cover (5), a trapezoidal block (6) is fixedly connected in the trapezoidal opening, and a vertical valve rod (7) is rotatably connected to the center of the upper end of the trapezoidal, the upper end of valve rod (7) extends to the upside of trapezoidal piece (6) and fixedly connected with rotates knob (8), and the lower extreme of valve rod (7) extends to in rectangle safety cover (5) and rotates with the up end of backup pad (4) to be connected, threaded connection has movable block (9) on the lateral wall of valve rod (7), and fixedly connected with vertical valve plate (10) on the lateral wall of movable block (9), the lower extreme of valve plate (10) extend to between two plate bodies and with disk seat (2) intercommunication setting.

2. The flat gate valve with the protective cover as claimed in claim 1, wherein the two side walls of the valve body (1) are provided with a plurality of corresponding positioning holes, and fastening bolts for fixing are connected to the corresponding positioning holes in a threaded manner.

3. The plate gate valve with the protection cover as claimed in claim 1, wherein the mounting mechanism comprises a flange (11) fixedly connected to a sidewall of the communication pipe (3), an annular protection sleeve (12) is fixedly sleeved on an outer sidewall of the communication pipe (3) outside the flange (11), the flange (11) inside the annular protection sleeve (12) is fixedly communicated with an external pipeline, and a rubber ring sealed with the external pipeline is fixedly connected to an inner wall of the annular protection sleeve (12).

4. The flat gate valve with the protective cover as claimed in claim 1, wherein the fixing mechanism comprises a threaded hole formed at the upper end of the support plate (4), and the lower end of the threaded hole extends to the lower sides of the two plates of the valve body (1), and a fastening screw (13) and a nut (14) for fixing the support plate (4) and the valve body (1) are connected in the threaded hole.

5. The flat gate valve with the protection cover as claimed in claim 1, wherein a strip-shaped opening corresponding to the valve plate (10) is formed in the upper end of the support plate (4), a rubber ring contacting with the valve plate (10) is fixedly connected to the inner wall of the strip-shaped opening, the lower end of the valve plate (10) is arc-shaped, a U-shaped limiting block (15) contacting with the valve plate (10) is fixedly connected to the inner walls of the two plate bodies of the valve body (1), and the U-shaped limiting block (15) is fixedly connected with the inner wall of the valve body (1) through a plurality of bolts.

6. The flat gate valve with the protective cover as claimed in claim 1, wherein the lower end of the rectangular protective cover (5) is fixedly connected with the side wall of the support plate (4) through a plurality of first screws (16), the rectangular protective cover (5) is fixedly connected with the trapezoidal block (6) through a plurality of second screws (17), the upper end of the trapezoidal block (6) is fixedly connected with a bearing seat corresponding to the valve rod (7), and the valve rod (7) is rotatably connected with a bearing in the bearing seat.

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