CN212564407U - Baffle valve device with good sealing performance - Google Patents
Baffle valve device with good sealing performance Download PDFInfo
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- CN212564407U CN212564407U CN202021137981.1U CN202021137981U CN212564407U CN 212564407 U CN212564407 U CN 212564407U CN 202021137981 U CN202021137981 U CN 202021137981U CN 212564407 U CN212564407 U CN 212564407U
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Abstract
The utility model provides a flapper valve device that sealing performance is good belongs to flapper valve technical field. The flapper valve assembly with good sealing performance comprises a valve body assembly and an adjusting mechanism. The valve body subassembly includes valve body and flange, the flange is fixed the internal surface of valve body, the fixed surface of flange has first sealed piece, adjustment mechanism includes valve gap, cylinder, sleeve pipe and briquetting, the output of cylinder is fixed with the valve rod, the bottom of valve gap is fixed with the sleeve pipe, sheathed tube inside is fixed with the sealed piece of second, the valve rod slides and runs through the sealed piece of second, the tip of valve rod extends to the inside of valve body, the end fixing of valve rod has the briquetting, the inside of draw-in groove is fixed with the sealed pad of second, first sealed piece joint in the inside of draw-in groove. The utility model discloses can significantly reduce gas leakage or the emergence of weeping phenomenon when using, improve the security of using.
Description
Technical Field
The utility model relates to a flapper valve field particularly, relates to a flapper valve device that sealing performance is good.
Background
Flapper valves are used to turn on or off the flow of air in the vacuum line. Suitable media are pure air and non-corrosive gases. The high vacuum baffle valve can be divided into GD-J type rubber shaft seal and GD-J (b) type bellows shaft seal according to the shaft seal structure. According to the conduction form, GD-J is in an angle conduction form, and GD-S is in a three-way form with a pre-pumping opening.
At present, the sealing effect of a liquid outlet of the existing baffle valve device is relatively poor when the valve is closed, and air leakage or liquid leakage is easily caused, so that potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
In order to compensate the above deficiency, the utility model provides a flapper valve device that sealing performance is good aims at improving the flapper valve device, the relatively poor problem of sealed effect when the valve is closed.
The utility model discloses a realize like this:
the utility model provides a flapper valve device that sealing performance is good, including valve body assembly and adjustment mechanism.
The valve body assembly comprises a valve body and a flange, the flange is fixed on the inner surface of the valve body, a first sealing block is fixed on the surface of the flange, the upper end of the valve body is fixed with a connecting plate, the adjusting mechanism comprises a valve cover, a cylinder, a sleeve and a pressing block, the valve cover is fixed on the top surface of the connecting plate, the cylinder is fixed on the top surface of the valve cover, a valve rod is fixed at the output end of the cylinder, a sleeve is fixed at the bottom of the valve cover, a second sealing block is fixed inside the sleeve, the valve rod penetrates through the second sealing block in a sliding mode, the end portion of the valve rod extends to the interior of the valve body, a pressing block is fixed at the end part of the valve rod, a sealing layer is fixed on the outer surface of the bottom of the pressing block, a clamping groove is formed in the outer surface of the bottom of the pressing block, the inside of draw-in groove is fixed with the sealed pad of second, first sealed piece joint in the inside of draw-in groove.
In an embodiment of the present invention, a bump is fixed on the top surface of the connecting plate.
In an embodiment of the present invention, the bottom of the valve cover is fixed with the groove matched with the bump, the inside of the groove is fixed with the first sealing gasket, and the bump joint is in the inside of the groove.
In an embodiment of the present invention, an inlet pipe is fixed to one side of the valve body.
The utility model discloses an in one embodiment, the import pipe fitting includes import body and first flange, import body integrated into one piece with one side of valve body, first flange is fixed the tip of import body.
In an embodiment of the present invention, an outlet pipe is fixed below the valve body.
The utility model discloses an in one embodiment, the export pipe fitting includes export body and second flange, export body integrated into one piece with the bottom of valve body, the second flange is fixed the tip of export body.
The utility model discloses an in the embodiment, the external surface mounting of cylinder has the engaging lug, the surface of engaging lug has run through first mounting, first mounting spiro union is in the inside of valve gap.
In an embodiment of the present invention, a second fixing member is penetrated through an inner edge of the valve cover, the second fixing member is screwed inside the connecting plate, and the second fixing member is located at one side of the groove.
In an embodiment of the present invention, the top surface edge of the flange and the bottom surface edge of the pressing block are both inclined, and the top surface of the flange is tightly attached to the bottom surface of the pressing block.
The utility model has the advantages that: the utility model discloses a what above-mentioned design obtained is a flapper valve device that sealing performance is good, during the use, drive the valve rod downstream while briquetting is followed downstream through cylinder work, when briquetting and flange laminating, because the setting of sealing layer, can carry out for the first time to compressing tightly sealed, meanwhile be located the first sealed piece of flange top surface will the joint in the draw-in groove on briquetting surface, and hug closely with the sealed pad of second in the draw-in groove, further seal the flapper valve liquid outlet like this, the emergence of gas leakage or weeping phenomenon that can significantly reduce when using like this, the security of using has been improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a first view angle structure of a flapper valve assembly with good sealing performance provided by an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a flapper valve assembly with good sealing performance according to an embodiment of the present invention;
fig. 3 is a schematic view of a second view angle structure of a flapper valve assembly with good sealing performance according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the point A in FIG. 2 according to the present invention;
fig. 5 is an enlarged view of the point B in fig. 2 according to the present invention.
In the figure: 100-a valve body assembly; 110-a valve body; 111-a connection plate; 112-a bump; 120-a flange; 130-a first sealing block; 140-inlet pipe fitting; 141-inlet tube body; 142-a first flange; 150-outlet pipe fitting; 151-outlet tube body; 152-a second flange; 200-an adjustment mechanism; 210-a valve cover; 211-grooves; 212 — a first gasket; 220-a cylinder; 221-a valve stem; 223-engaging lugs; 224-a first fastener; 230-a cannula; 231-a second sealing block; 240-briquetting; 241-sealing layer; 250-card slot; 251-a second gasket; 260-second fixing member.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1-5, the present invention provides a technical solution: a high seal flapper valve assembly includes a valve body assembly 100 and an adjustment mechanism 200.
An adjustment mechanism 200 is mounted within the valve body assembly 100 for opening or closing operation of the flapper valve.
Referring to fig. 1 to 3, a valve body assembly 100 includes a valve body 110 and a flange 120, the flange 120 is fixed to an inner surface of the valve body 110, a first sealing block 130 is fixed to a surface of the flange 120, and a connecting plate 111 is fixed to an upper end of the valve body 110; a lug 112 is fixed on the top surface of the connecting plate 111; the bottom of the valve cover 210 is fixed with a groove 211 matched with the projection 112, the inside of the groove 211 is fixed with a first sealing gasket 212, the projection 112 is clamped inside the groove 211, and here, the projection 112 is clamped into the first sealing gasket 212 inside the groove 211, so that the sealing between the valve cover 210 and the valve body 110 is facilitated.
An inlet pipe 140 is fixed to one side of the valve body 110; the inlet pipe 140 includes an inlet pipe body 141 and a first flange 142, the inlet pipe body 141 is integrally formed with one side of the valve body 110, and the first flange 142 is fixed to an end of the inlet pipe body 141, where the inlet pipe body 141 and the first flange 142 are disposed to facilitate installation and communication with an external pipeline; an outlet pipe member 150 is fixed below the valve body 110; the outlet pipe 150 includes an outlet pipe 151 and a second flange 152, the outlet pipe 151 is integrally formed with the bottom of the valve body 110, and the second flange 152 is fixed to the end of the outlet pipe 151, where the outlet pipe 151 and the second flange 152 are disposed to facilitate installation and communication with an external pipe.
Referring to fig. 1 to 5, the adjusting mechanism 200 includes a valve cover 210, an air cylinder 220, a sleeve 230 and a pressing block 240, the valve cover 210 is fixed on the top surface of the connecting plate 111, the air cylinder 220 is fixed on the top surface of the valve cover 210, an output end of the air cylinder 220 is fixed with a valve rod 221, the bottom of the valve cover 210 is fixed with the sleeve 230, a second sealing block 231 is fixed inside the sleeve 230, the valve rod 221 slidably penetrates through the second sealing block 231, an end of the valve rod 221 extends into the valve body 110, the end of the valve rod 221 is fixed with the pressing block 240, a sealing layer 241 is fixed on an outer surface of the bottom of the pressing block 240, the sealing layer 241 is made of a silica gel material, a clamping groove 250 is formed on an outer surface of the bottom of the pressing block 240, a second sealing pad.
A connecting lug 223 is fixed on the outer surface of the cylinder 220, a first fixing piece 224 penetrates through the surface of the connecting lug 223, the first fixing piece 224 is screwed inside the valve cover 210, the first fixing piece 224 is a bolt, and the cylinder 220 can be conveniently installed and fixed through the arrangement of the first fixing piece 224; the inside edge of valve gap 210 has run through second mounting 260, and second mounting 260 spiro union is in the inside of connecting plate 111, and second mounting 260 is located one side of recess 211, and here second mounting 260 is the bolt, through the setting of second mounting 260, can make things convenient for lug 112 and recess 211 to carry out the joint fixed.
The edge of the top surface of the flange 120 and the edge of the bottom surface of the pressing block 240 are both obliquely arranged, the top surface of the flange 120 is tightly attached to the bottom surface of the pressing block 240, the arrangement can facilitate the attachment of the flange 120 and the sealing layer 241 on the surface of the pressing block 240, and the sealing effect is improved.
Specifically, the working principle of the baffle valve device with good sealing performance is as follows: during the use, drive valve rod 221 downstream and briquetting 240 follows downstream through cylinder 220 work, when briquetting 240 and flange 120 laminating, because the setting of sealing layer 241, can carry out for the first time to compressing tightly sealed, the first sealed piece 130 that is located the flange 120 top surface will the joint in the draw-in groove 250 on briquetting 240 surface simultaneously, and hug closely with the sealed pad 251 of second in the draw-in groove 250, further seal the flapper valve liquid outlet like this, can significantly reduce the emergence of gas leakage or weeping phenomenon when using like this, the security of using has been improved.
It should be noted that the specific model specification of the cylinder 220 needs to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the cylinder 220 and its principle will be clear to a person skilled in the art and will not be described in detail here.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A flapper valve assembly having improved sealing characteristics, comprising
The valve body assembly (100), the valve body assembly (100) comprises a valve body (110) and a flange (120), the flange (120) is fixed on the inner surface of the valve body (110), a first sealing block (130) is fixed on the surface of the flange (120), and a connecting plate (111) is fixed on the upper end of the valve body (110);
the adjusting mechanism (200) comprises a valve cover (210), an air cylinder (220), a sleeve (230) and a pressing block (240), the valve cover (210) is fixed on the top surface of the connecting plate (111), the air cylinder (220) is fixed on the top surface of the valve cover (210), an output end of the air cylinder (220) is fixed with a valve rod (221), the bottom of the valve cover (210) is fixed with the sleeve (230), a second sealing block (231) is fixed inside the sleeve (230), the valve rod (221) slidably penetrates through the second sealing block (231), the end of the valve rod (221) extends into the valve body (110), the end of the valve rod (221) is fixed with the pressing block (240), a sealing layer (241) is fixed on the outer surface of the bottom of the pressing block (240), and a clamping groove (250) is formed in the outer surface of the bottom of the pressing block (240), a second sealing gasket (251) is fixed inside the clamping groove (250), and the first sealing block (130) is clamped inside the clamping groove (250).
2. A valve assembly according to claim 1, wherein the lugs (112) are fixed to the top surface of the web (111).
3. A high-sealing flapper valve assembly as set forth in claim 2 wherein a recess (211) is fixed to the bottom of said valve cover (210) to mate with said projection (112), a first gasket (212) is fixed to the inside of said recess (211), and said projection (112) is snapped into said recess (211).
4. A high-seal flapper valve assembly as set forth in claim 1 wherein an inlet fitting (140) is secured to one side of said valve body (110).
5. A valve assembly according to claim 4, wherein the inlet pipe member (140) includes an inlet pipe body (141) and a first flange (142), the inlet pipe body (141) being formed integrally with one side of the valve body (110), the first flange (142) being fixed to an end of the inlet pipe body (141).
6. A high-seal flapper valve assembly as set forth in claim 1 wherein an outlet tube (150) is secured to the underside of said valve body (110).
7. A valve assembly according to claim 6, wherein said outlet pipe member (150) includes an outlet pipe body (151) and a second flange (152), said outlet pipe body (151) being integrally formed with the bottom of said valve body (110), said second flange (152) being fixed to the end of said outlet pipe body (151).
8. The flapper valve assembly having a good sealing performance as claimed in claim 1 wherein an engaging lug (223) is fixed to an outer surface of the cylinder (220), a first fixing member (224) penetrates through a surface of the engaging lug (223), and the first fixing member (224) is screwed to an inner portion of the valve cover (210).
9. A high-sealing flapper valve assembly as set forth in claim 3 wherein a second fixing member (260) is penetrated through an inner edge of said valve cover (210), said second fixing member (260) being screwed to an inner portion of said connecting plate (111), said second fixing member (260) being located at one side of said recess (211).
10. A high-sealing flapper valve assembly as set forth in claim 1 wherein the top edge of said flange (120) and the bottom edge of said pressing block (240) are both disposed obliquely, and the top surface of said flange (120) is closely attached to the bottom surface of said pressing block (240).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021137981.1U CN212564407U (en) | 2020-06-18 | 2020-06-18 | Baffle valve device with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021137981.1U CN212564407U (en) | 2020-06-18 | 2020-06-18 | Baffle valve device with good sealing performance |
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| Publication Number | Publication Date |
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| CN212564407U true CN212564407U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021137981.1U Active CN212564407U (en) | 2020-06-18 | 2020-06-18 | Baffle valve device with good sealing performance |
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| CN (1) | CN212564407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023116158A1 (en) * | 2021-12-20 | 2023-06-29 | 拓荆科技股份有限公司 | Gate valve for semiconductor apparatus, and maintenance method therefor |
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2020
- 2020-06-18 CN CN202021137981.1U patent/CN212564407U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023116158A1 (en) * | 2021-12-20 | 2023-06-29 | 拓荆科技股份有限公司 | Gate valve for semiconductor apparatus, and maintenance method therefor |
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