CN212055873U

CN212055873U - Sealed valve

Info

Publication number: CN212055873U
Application number: CN201922492106.9U
Authority: CN
Inventors: 周益斌; 郭海锋; 赵文泉; 杨明浩; 冯天卿
Original assignee: Zhihe Environment Technology Jiangsu Co ltd
Current assignee: Zhihe Environment Technology Jiangsu Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-12-01
Anticipated expiration: 2029-12-31

Abstract

The utility model belongs to the technical field of the valve, in particular to airtight valve, which comprises a valve body, the coating has special fluorine dragon on the inner chamber of valve body, rotate the valve rod that the level set up on the lateral wall of valve body, the one end of valve rod is located the valve body, and the nested level that has on it sets up and closely laminates with the valve body's blade, the blade comprises the fluororubber of stainless steel core and cladding stainless steel core, the other end of valve rod is located outside the valve body, and be connected with and adjust actuating mechanism, it passes through the handle to adjust actuating mechanism, ball screw, the accurate transmission blade of the complex mode of slider and driving block rotates to required angle. The utility model provides a how to carry out accurate regulation to the air volume to make the technical problem that leakproofness and anticorrosive can improve. Has the advantages of simple structure, good sealing performance, good corrosion resistance, wide application range and the like.

Description

Sealed valve

Technical Field

The utility model belongs to the technical field of the valve, in particular to airtight valve.

Background

A sealing valve is a valve commonly used in industrial exhaust systems. The existing sealed valve mainly comprises a valve body, a valve rod, a blade in threaded connection with the valve rod and a pneumatic actuating body in transmission connection with the valve rod, and obviously has the following defects: firstly, the blade and the valve rod are connected through the bolt, and the bolt is easily catalyzed in an acid-base environment, so that the sealing property and the corrosion resistance are poor; secondly, because the opening or closing of the blade is driven by a pneumatic actuator, the ventilation quantity cannot be accurately adjusted.

SUMMERY OF THE UTILITY MODEL

In view of the not enough of background art existence, the utility model provides a sealed valve, the technical problem of its solution is how to carry out accurate regulation to the air volume to make leakproofness and anticorrosive can improve.

For solving the technical problem, the utility model provides a following technical scheme:

a closed valve comprises a valve body, wherein a Teflon is coated on an inner cavity of the valve body, a valve rod which is horizontally arranged is rotatably mounted on the side wall of the valve body, one end of the valve rod is positioned in the valve body, and a blade which is horizontally arranged and tightly attached to the valve body is sleeved on the valve rod;

the adjusting driving mechanism comprises a base, a housing is arranged on the base, a limiting through groove axially arranged is arranged on the top surface of the housing, and the two sides of the limiting through groove are respectively and correspondingly marked with scale marks which are used for marking the opening angle of the blade, the end part of the valve rod extends out of the base in a sliding way, a driving block which is horizontally arranged and is positioned in the housing is sleeved and welded, a guide through groove is arranged on the driving block, a guide post which is vertically arranged is slidably arranged in the guide through groove, two ends of the guide post extend out of the guide through groove, and one end close to the base is connected with a sliding block which can move along the axial direction of the base, the sliding block is always positioned in the cover shell, and the other end of the guide post slidably extends out of the limiting through groove and is sleeved with a pointer attached to the housing.

The utility model discloses an in one embodiment, the base is upwards installed and is set up side by side along the axial and be located first fixed block and second fixed block in the housing, first fixed block with the ball screw that is connected with the level setting is rotated jointly between the second fixed block, the slider screw thread suit is in ball screw is located first fixed block with on the part between the second fixed block, ball screw's one end slides in proper order and stretches out the second fixed block with the housing to the transmission is connected with and is located the hand wheel in the base outside.

In an embodiment of the present invention, the valve rod is sleeved with a shaft sleeve on a portion rotatably connected to the valve body.

In an embodiment of the present invention, the valve rod is further sleeved with an O-ring tightly attached to the shaft sleeve.

The utility model discloses an in the embodiment, still rotate on the lateral wall of valve body be connected with the bracing piece that the valve rod is relative, the one end of bracing piece is located outside the valve body, the other end stretches into the valve body and with the blade cup joints.

In an embodiment of the present invention, the support rod is sleeved with a gasket on a portion rotatably connected to the valve body.

In an embodiment of the invention, the liner is made of a teflon material.

In an embodiment of the present invention, the two ends of the valve body are respectively provided with a connecting flange, and the connecting flange is provided with a plurality of connecting holes uniformly distributed on a virtual circle.

In an embodiment of the present invention, the valve body is circular and made of stainless steel.

The utility model discloses beneficial effect for prior art gained is: the technical effects that the sealing property and the corrosion resistance are improved are achieved by coating Teflon on the inner cavity of the valve body, arranging the blade to be composed of the stainless steel core and the fluororubber coating the stainless steel core and connecting the blade and the valve rod in a nesting manner; the rotation angle of the valve rod is accurately controlled through the matching of the handle, the ball screw, the sliding block and the transmission block by the adjusting driving mechanism, so that the opening angle of the blade is accurately adjusted, and the technical effect of accurately adjusting the ventilation volume is further realized.

Drawings

The utility model discloses there is following figure:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the present invention with the cover removed;

FIG. 3 is a schematic structural diagram of the adjusting driving mechanism of the present invention;

FIG. 4 is a schematic view of the adjusting and driving mechanism of the present invention with the cover removed;

fig. 5 is a schematic view of another view angle of the present invention, wherein the driving mechanism is adjusted to remove the cover.

Detailed Description

The invention is further described with reference to the drawings and the detailed description.

As shown in fig. 1, 2, 3, 4 and 5: a sealed valve comprises a valve body 1, wherein the valve body 1 is circular in the embodiment and is made of stainless steel materials. Coating has the teflon on the inner chamber of valve body 1, rotate on the lateral wall of valve body 1 and install valve rod 2 that the level set up, the one end of valve rod 2 is located in valve body 1, and the nested level that has on it sets up and with blade 3 that valve body 1 closely laminated, blade 3 is by stainless steel core and cladding the fluororubber of stainless steel core is constituteed, sets up like this and makes the utility model discloses a leakproofness and anticorrosive good. The other end of the valve rod 2 is positioned outside the valve body 1 and is connected with an adjusting driving mechanism 4, and the adjusting driving mechanism 4 is used for accurately driving the blade 3 to rotate to a required angle; adjust actuating mechanism 4 and include base 41, be equipped with housing 42 on base 41, set up the spacing logical groove 43 that the axial set up on housing 42's the top surface, and spacing both sides that lead to groove 43 correspond respectively and have marked scale mark 44, scale mark 44 is used for the sign the opening angle of blade 3, the tip of valve rod 2 slides and stretches out base 41 to the cover welds the level and sets up and be located transmission block 45 in housing 42, the logical groove 46 of direction has been seted up on transmission block 45, the guide passes through the guide post 47 that slides and wears to be equipped with vertical setting in the logical groove 46 of direction, the both ends of guide post 47 all stretch out the logical groove 46 of direction, and the one end that is close to base 41 is connected and is followed on base 41's axial displacement's the slider 48, slider 48 is located all the housing 42, and with base 41 sliding connection, the other end of guide post 47 slides and stretches out spacing logical groove 43 and cover be equipped with housing 42 laminates mutually The pointer 49. In this embodiment, the rotation angle of the valve rod 2 is accurately controlled through the cooperation of the handle, the ball screw, the slider 48 and the transmission block 45, so that the opening angle of the blade 3 can be accurately adjusted, and the technical effect of accurately adjusting the ventilation volume is further realized.

In an embodiment of the present invention, the slider 48 can move along the axial direction of the base 41 in the following manner: base 41 upwards installs and sets up side by side along the axial and is located first fixed block 50 and second fixed block 51 in the housing 42, first fixed block 50 with rotate the ball screw that is connected with the level setting jointly between the second fixed

block

51, 48 threaded suit of slider are in ball screw is located first fixed block 50 with on the part between the second fixed block 51, ball screw's one end slides in proper order and stretches out second fixed block 51 with housing 42 to the transmission is connected with and is located the hand wheel 53 in the base 41 outside.

The utility model discloses an in the embodiment, valve rod 2 with valve body 1 rotates the partial cover of connecting and is equipped with the axle sleeve, still the cover is equipped with on the valve rod 2 with the O type circle that the axle sleeve closely laminated, it is good to set up the life and the leakproofness that have effectively prolonged this seal valve like this.

The utility model discloses an in the embodiment, still rotate on the lateral wall of valve body 1 be connected with the bracing piece 5 that valve rod 2 is relative, the one end of bracing piece 5 is located outside the valve body 1, the other end stretches into valve body 1 and with blade 3 is nested, bracing piece 5 with valve body 1 rotates the part of connecting and goes up the cover and be equipped with the liner, the liner is made by the polytetrafluoroethylene material, sets up like this and has realized carrying out the technological effect that stabilizes the support to blade 3.

In an embodiment of the present invention, the two ends of the valve body 1 are respectively provided with the connecting flange 6, the connecting flange 6 is provided with a plurality of connecting holes 61, the connecting holes 61 are bolt holes, and are uniformly distributed on a virtual circle, so as to be convenient for the utility model discloses link to each other with the pipeline.

In summary, the utility model has the advantages that the inner cavity of the valve body 1 is coated with Teflon, the blade 3 is composed of the stainless steel core and the fluororubber coated on the stainless steel core, and the blade 3 is connected with the valve rod 2 in a nesting way, so that the sealing property and the corrosion resistance are good; the rotation angle of the accurate control valve rod 2 of cooperation through handle, ball screw, slider 48 and transmission block 45 again to the realization is to the accurate regulation of the opening angle of blade 3, thereby makes the utility model discloses can carry out accurate regulation to the air volume, and have that the leakproofness is good, the corrosion resistance is good, application scope advantage such as wide.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A containment valve characterized by: the valve comprises a valve body, wherein Teflon is coated on an inner cavity of the valve body, a horizontally arranged valve rod is rotatably mounted on the side wall of the valve body, one end of the valve rod is positioned in the valve body, a horizontally arranged blade which is tightly attached to the valve body is nested on the valve rod, the blade consists of a stainless steel core and fluororubber coated on the stainless steel core, the other end of the valve rod is positioned outside the valve body and is connected with an adjusting driving mechanism, and the adjusting driving mechanism is used for accurately driving the blade to rotate to a required angle;

2. The airtight valve of claim 1, characterized in that the base is upwardly provided with a first fixed block and a second fixed block which are arranged side by side along the axial direction and are positioned in the housing, a horizontally arranged ball screw is connected between the first fixed block and the second fixed block in a rotating manner, the ball screw is positioned on the part between the first fixed block and the second fixed block by a slider thread sleeve, one end of the ball screw is sequentially extended out of the second fixed block and the housing in a sliding manner, and a hand wheel positioned outside the base is connected in a transmission manner.

3. The containment valve of claim 1 wherein said valve stem is sleeved with a bushing on the portion rotatably connected to said valve body.

4. The containment valve of claim 3 wherein said stem is further fitted with an O-ring in close contact with said bushing.

5. The containment valve of claim 1 wherein a support rod is rotatably attached to the sidewall of the valve body opposite the valve stem, wherein one end of the support rod is positioned outside the valve body and the other end of the support rod extends into the valve body and is nested with the vane.

6. The containment valve of claim 5 wherein said support rod is sleeved with a gasket on the portion rotatably connected to said valve body.

7. The containment valve of claim 6 wherein said liner is made of a polytetrafluoroethylene material.

8. The containment valve of claim 1 wherein said valve body has a connecting flange outwardly disposed at each end, said connecting flange having a plurality of connecting holes.

9. The containment valve of claim 8 wherein said attachment holes are bolt holes and are evenly distributed on a phantom circle.

10. The containment valve of claim 1 wherein said valve body is circular and is made of stainless steel.