CN216951728U - Split type sandwich valve - Google Patents
Split type sandwich valve Download PDFInfo
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- CN216951728U CN216951728U CN202220538853.0U CN202220538853U CN216951728U CN 216951728 U CN216951728 U CN 216951728U CN 202220538853 U CN202220538853 U CN 202220538853U CN 216951728 U CN216951728 U CN 216951728U
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Abstract
The utility model discloses a split type sandwich valve which comprises a valve body, wherein the valve body is formed by connecting an upper clamping plate, a lower clamping plate and a middle plate through bolts, the middle plate is of a hollow structure, and valve holes are formed in the middle parts of the upper clamping plate and the lower clamping plate; a gate assembly having a pair of identically configured gates; the valve rod assembly is provided with a pair of lead screws which are rotatably arranged in the middle plate, one ends of the lead screws extend out of the middle plate, the other ends of the lead screws extend into the cavity of the flashboard, and the lead screws are in threaded connection with the flashboard; and the sealing assembly is provided with a plurality of sealing strips arranged on the two flashboards. The valve hole is formed in the middle of the valve body, so that the valve body is stressed stably in the lifting process, a crane can be directly removed after the valve body is lifted in place, the safety is improved, and the mounting difficulty is reduced; the split valve is matched with two relatively short screw rods, so that the problem that the traditional sandwich valve can be opened and closed only by screwing for multiple turns due to long length of a single screw rod is solved, and the opening and closing time is shortened.
Description
Technical Field
The utility model relates to a sandwich valve, in particular to a split type sandwich valve.
Background
The sandwich valve is a special valve in the process of blocking an opening under pressure, is usually arranged in the center of a pipeline through which fluid flows and is vertical to the conveying direction of the fluid, realizes the opening and closing of the pipeline through a plate body arranged at the valve hole, and is an important control component in the process of blocking construction and the opening of the pipeline under pressure. However, the existing sandwich valves mostly have the following problems:
firstly, the sandwich valve is heavy in weight and mostly has an eccentric structure, and not only needs to be placed by a special base, but also needs to be lifted by a special lifting appliance; in addition, due to the limitation of the eccentric structure of the sandwich valve, the lifting appliance and the crane can be removed after part of bolts are fastened during installation, otherwise, the sandwich valve is inclined and cannot be installed smoothly, and the crane is not removed during installation, so that the potential danger of mechanical injury is caused.
Secondly, the leakproofness has always been the important problem of sandwich valve, and current in order to guarantee the leakproofness of sandwich valve, need often change the sealing member, need take apart the valve body and change, and the dismouting is simple troublesome.
Therefore, how to design the sandwich valve with good sealing effect, long sealing period and convenient installation is very important.
Disclosure of Invention
In view of the above, the utility model provides the split type sandwich valve with good sealing effect, which not only prolongs the replacement period of the sealing strip, but also reduces the installation difficulty and improves the safety.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a split type sandwich valve, which comprises:
the valve body is formed by connecting an upper clamping plate, a lower clamping plate and a middle plate through bolts, the middle plate is of a hollow structure, and valve holes are formed in the middle parts of the upper clamping plate and the lower clamping plate;
the gate plate assembly is of a split structure and is provided with a pair of gate plates with the same structure, and the diameter of each gate plate is larger than that of the valve hole;
the screw rod is rotatably arranged in the middle plate, one end of the screw rod extends out of the middle plate, the other end of the screw rod extends into the cavity of the flashboard, and the screw rod is in threaded connection with the flashboard; and
and the sealing assembly is provided with a plurality of sealing strips arranged on the two flashboards.
The beneficial effects are that: the valve hole is formed in the middle of the valve body, and correspondingly, the flange is also formed in the middle of the valve hole, so that the valve hole can be lifted without using a special lifting appliance in the lifting process, and a sling can be removed after the valve hole is lifted in place during installation, so that the safety is improved; in addition, the split gate plate assembly is adopted, the number of the screw rods is two, the length is shortened, two persons can operate the split gate plate assembly simultaneously, the opening and closing time of the valve is shortened, and the emergency treatment time is further shortened.
As a further improvement, two sealing strips are embedded on each flashboard, and the sealing strips are of an integral structure and comprise
The first sealing part is of a semicircular structure and is embedded in the upper surface or the lower surface of the flashboard; and
the second sealing part is embedded in the end face of the flashboard and is perpendicular to the first sealing part;
wherein a diameter of the first sealing part is larger than a diameter of the valve hole.
The beneficial effects are that: the sealing strip is provided with a first sealing part and a second sealing part which are vertically arranged, the first sealing part is of a semicircular structure, and effective sealing between the flashboard and the upper clamping plate and between the flashboard and the lower clamping plate can be realized; the second sealing portion is embedded in the rectangular surface (namely the end surface) of the flashboard, effective sealing between the two flashboards can be achieved, sealing of the upper surface and the lower surface of the flashboard and the end surface is achieved, sealing effect is good, and sealing time is long.
As a further improvement, the second sealing portion comprises a pair of connecting sections with the same structure and a sealing section for sealing the two flashboards, the sealing section connects the connecting sections together, and each end of the first sealing portion is vertically provided with one connecting section.
The beneficial effects are that: the sealing section can realize effective sealing between the end faces of the two gate plates, and the connecting section can connect the sealing section and the first sealing part together. During actual processing, the first sealing part and the second sealing part can adopt an integrated structure, so that the processing and the installation are convenient, and the structure is simple and ingenious.
As a further improvement, the sealing strips on the two flashboards are arranged in a left-right one-to-one correspondence mode. The beneficial effects are that: the sealing section of every sealing strip all is located the terminal surface of flashboard, and the one-to-one is controlled to the sealing strip for the sealing section of controlling two sealing strips is closely laminated and is in the same place, has realized the effective seal of terminal surface.
The valve body lifting device has the advantages that the valve hole is formed in the middle of the valve body, so that the valve body is stressed stably in the lifting process, and the crane can be directly removed after the valve body is lifted in place, so that the safety is improved, and the mounting difficulty is reduced; the split valve is matched with two relatively short screw rods, so that the problem that the traditional sandwich valve needs to be opened and closed by screwing for multiple circles due to long length of a single screw rod is solved, and the opening and closing time is shortened.
The plane of the first sealing part and the plane of the second sealing part of the sealing strip are vertical, so that the sealing between the gate plate and the valve body can be realized, the sealing of the end surface of the gate plate can also be realized, the sealing effect is good, the sealing period is long, the replacement frequency of the sealing strip is effectively reduced, and the logistics workload is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a schematic structural view of the sealing tape of the present invention.
Fig. 4 is a top view of the shutter of the present invention.
Fig. 5 is a schematic view of fig. 4 in the direction of a.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-2, the split-type sandwich valve of the present invention comprises:
the valve body is formed by fixedly connecting an upper clamping plate 1.1, a lower clamping plate 1.2 and a middle plate 1.3 through bolts (the edge of the valve body is arranged along the circumferential direction of the valve body), and the middle plate 1.3 is of a hollow structure, so that a lead screw 3 to be described later can be conveniently installed, and a movable space is provided for a gate plate 2 to be described later; the middle parts of the upper clamping plate 1.1 and the lower clamping plate 1.2 are provided with valve holes 1.4, one side surface of each valve hole 1.4 is provided with a connecting flange (namely, a flange opening is positioned in the middle part of the valve body), and the valve holes 1.4 are arranged in the middle part of the valve body, so that the lifting stability is improved, and the installation difficulty is reduced;
the gate plate component is of a split structure and is provided with a pair of gate plates 2 (provided with mounting holes) with the same structure, the gate plates 2 are of a semicircular structure, and the diameter of each gate plate 2 is larger than that of the valve hole 1.4 so as to ensure that the valve hole is in a completely closed state when the sandwich valve is closed;
the valve rod assembly is provided with a pair of lead screws 3 (the lead screws 3 are in running fit with the middle plate 1.3) which are rotatably arranged in the middle plate 1.3, the two lead screws 3 are oppositely arranged left and right, one ends of the lead screws 3 extend into the mounting holes of the flashboards 2 and are in threaded fit with nuts 3.1 welded on the flashboards, the other ends of the lead screws 3 extend outwards out of the middle plate 1.3, the two flashboards 2 can be quickly closed and opened by screwing the two lead screws 3, and the emergency treatment time is effectively shortened; and
and sealing assemblies are arranged on the two gate plates 2 to realize effective sealing of the upper surface, the lower surface and the end surface of the gate plates 2.
When actual installation, lead screw 3's tip has spacing platform 3.2, and spacing platform 3.2 is installed inside medium plate 1.3, effectively avoids taking place the displacement at lead screw 3 at the rotation in-process, guarantees the normal closure and the opening of flashboard 2.
As shown in fig. 1, two sealing strips 4 are embedded on the gate plate 2; as shown in fig. 3-5, the sealing strip 4 comprises a first sealing portion 4.1 having a semicircular configuration and a second sealing portion 4.2 perpendicular to the first sealing portion 4.1; during actual installation, the first sealing parts 4.1 of the two sealing strips 4 are respectively embedded on the upper surface and the lower surface of the flashboard 2, and the diameter of the first sealing parts 4.1 is larger than that of the valve holes 1.4, so that the upper surface and the lower surface of the flashboard 2 are sealed, and the sealing effect is good;
as shown in fig. 3-5, the second sealing portion 4.2 has a pair of connecting sections 4.21 with the same structure and a sealing section 4.22 for sealing the end faces of the gate plates, the connecting sections 4.21 and the sealing sections 4.22 are in the same plane, the sealing section 4.22 and the first sealing portion 4.1 are connected together by the connecting section 4.21, so that the sealing strip 4 forms a whole, and the sealing section 4.22 can realize good sealing of the end faces of the two gate plates 2.
During actual processing, the first sealing part 4.1 and the second sealing part 4.2 are of an integrated structure, and the structure is simple and ingenious. During actual installation, the sealing strips 4 on the two gate plates 2 are arranged in a left-right one-to-one correspondence mode, so that the sealing sections 4.22 on the end faces are tightly attached together, and effective sealing of the end faces is achieved.
As shown in fig. 1-2, a plurality of pairs of step holes F are correspondingly formed in the edges of the upper clamping plate 1.1 and the lower clamping plate 1.2 up and down along the circumferential direction, and threaded holes corresponding to the step holes one to one are formed in the edges of the middle plate 1.3, so that the upper clamping plate 1.1, the lower clamping plate 1.2 and the middle plate 1.3 can be fixed together by using bolts; a plurality of mounting holes M are formed in the upper clamping plate 1.1 and the lower clamping plate 1.2 close to the valve hole 1.4 at intervals along the circumferential direction, and a connecting bolt N is arranged in each mounting hole of the upper clamping plate 1.1 and the lower clamping plate 1.2 so as to facilitate mounting.
The installation and working process of the sandwich valve is as follows:
when the plate clamping device is installed, the sling of the crane can be removed after the plate clamping valve is lifted to a specified position by using a lifting appliance (only a common lifting appliance), so that the subsequent installation and fastening are facilitated; because the valve hole is located the central point of sandwich valve and puts, can avoid taking place to topple in the installation, improve the security.
When the valve hole 1.4 needs to be opened, the two lead screws 3 are simultaneously screwed, the inner end part of each lead screw 3 is fixedly connected with the flashboard 2, so that the two flashboards 2 are simultaneously adjusted (of course, the flashboards 2 can be opened in an asynchronous mode), and the opening speed of the flashboard assembly is improved; when the valve hole 1.4 needs to be closed, the two screw rods 3 can be simultaneously screwed to drive the two gate plates 2 to move oppositely (of course, each gate plate 2 can also be closed in an asynchronous mode), so that the quick closing of the sandwich valve is realized; when meeting emergency, through revolving the quick closure and opening that screw 3 realized flashboard 2 at the same time, compared with the traditional sandwich valve that has single screw 3, shortened emergency treatment time greatly.
The sealing strips 4 have ingenious structure and good sealing effect, and when the gate is opened, the first sealing parts 4.1 of the two sealing strips 4 on the gate can ensure the sealing between the gate plate 2 and the valve body; when the gate is closed, the first sealing part 4.1 of the sealing strip 4 ensures the sealing between the gate plates 2 and the valve body, and the second sealing part 4.2 of the sealing strip 4 ensures the sealing between the two gate plates 2, so that the sealing effect is good.
It is noted that, in the description of the present invention, 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.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
Finally, it should be emphasized that the above-described embodiments are merely preferred embodiments of the present invention, and not limitative of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents may be made to the embodiments described in the foregoing without inventive faculty, or that equivalents may be substituted for elements thereof. Therefore, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A split-type sandwich valve, comprising:
the valve body is formed by connecting an upper clamping plate, a lower clamping plate and a middle plate through bolts, the middle plate is of a hollow structure, and valve holes are formed in the middle parts of the upper clamping plate and the lower clamping plate;
the gate plate assembly is of a split structure and is provided with a pair of gate plates with the same structure, and the diameter of each gate plate is larger than that of the valve hole;
the valve rod assembly is provided with a pair of lead screws which are rotatably arranged in the middle plate, one ends of the lead screws extend out of the middle plate, the other ends of the lead screws extend into the cavity of the flashboard, and the lead screws are in threaded connection with the flashboard; and
and the sealing assembly is provided with a plurality of sealing strips arranged on the two flashboards.
2. The split-type flapper valve of claim 1, wherein: every it inlays on the flashboard and is equipped with two sealing strip, sealing strip formula structure as an organic whole, it includes
The first sealing part is of a semicircular structure and is embedded in the upper surface or the lower surface of the flashboard; and
the second sealing part is embedded on the end surface of the flashboard and is vertical to the first sealing part;
wherein a diameter of the first sealing part is larger than a diameter of the valve hole.
3. The split-type flapper valve of claim 2, wherein: the second sealing portion comprises a pair of connecting sections with the same structure and sealing sections used for realizing sealing of the flashboards, the connecting sections are connected together through the sealing sections, and each end of the first sealing portion is vertically provided with one connecting section.
4. The split-type flapper valve of claim 3, wherein: and the sealing strips on the two flashboards are arranged in a left-right one-to-one correspondence manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220538853.0U CN216951728U (en) | 2022-03-14 | 2022-03-14 | Split type sandwich valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220538853.0U CN216951728U (en) | 2022-03-14 | 2022-03-14 | Split type sandwich valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216951728U true CN216951728U (en) | 2022-07-12 |
Family
ID=82295404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220538853.0U Active CN216951728U (en) | 2022-03-14 | 2022-03-14 | Split type sandwich valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216951728U (en) |
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2022
- 2022-03-14 CN CN202220538853.0U patent/CN216951728U/en active Active
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