CN209743628U - Wear-resistant hard sealing disc valve - Google Patents
Wear-resistant hard sealing disc valve Download PDFInfo
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- CN209743628U CN209743628U CN201822252734.5U CN201822252734U CN209743628U CN 209743628 U CN209743628 U CN 209743628U CN 201822252734 U CN201822252734 U CN 201822252734U CN 209743628 U CN209743628 U CN 209743628U
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- sealing
- rocker arm
- clack
- driver
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Abstract
the utility model provides an abrasion-resistant hard sealing disc valve, which comprises a valve body, a valve cover, a barrel body, a left valve clack, a right valve clack and a driver, wherein the driver comprises a force arm and a rocker arm, and one end of the force arm is connected with the driver and is driven by the driver; the rocker arm is vertically arranged in the valve cavity, through holes are formed in the upper end and the lower end of the rocker arm, the other end of the force arm is vertically connected with one end of the valve rod, and the other end of the valve rod penetrates through the valve cover and the through holes in the upper end of the rocker arm and then is fixed on the valve body; the left valve clack and the right valve clack are arranged in a cavity between the valve body and the valve cover and are sleeved in a through hole at the lower end of the rocker arm, a sealing cavity is arranged at the joint of the left valve clack and the right valve clack, a dustproof sealing device is arranged in the sealing cavity, the dustproof sealing device is composed of a disc spring group, a pressing ring and sealing filler, and the pressing ring, the sealing filler and the disc spring group are sequentially arranged from left to right; the antiwear hard sealing disc valve also includes an external forced sealing structure and an internal self-sealing structure. The utility model discloses dustproof sealing device can prevent the medium entering, guarantees the valve clack and moves about in a flexible way relatively.
Description
Technical Field
The utility model relates to a valve, in particular to wear-resistant hard sealing disk valve.
Background
in the aspect of medium control of fine solids contained in a medium, the common valve has the process of gradually closing to the seal by a sealing element in the opening and closing process, and the sealing effect of the valve is realized by the pressure difference formed by tightly attaching the sealing element and the seal. Therefore, particles in the medium are remained between the sealing element and the seal, so that the sealing performance of the valve is influenced; when the common valve is in a closed state, a part of cavity space is usually reserved to compensate the stroke of the worn sealing pair. Solid in the medium is accumulated and filled in the reserved cavity space in the long-term use process of the valve, and the normal operation of the valve is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a leakproofness is good, can reduce the medium hourglass phenomenon to minimum hard sealing disk valve that wear-resistants.
in order to achieve the above purpose, the technical scheme of the utility model is as follows:
The anti-wear hard sealing disc valve comprises a valve body, a valve cover, a barrel body, a left valve clack, a right valve clack and a driver, wherein the driver comprises a force arm and a rocker arm, and one end of the force arm is connected with the driver and is driven by the driver; the rocker arm is vertically arranged in the valve cavity, through holes are formed in the upper end and the lower end of the rocker arm, the other end of the force arm is vertically connected with one end of the valve rod, and the other end of the valve rod penetrates through the valve cover and the through holes in the upper end of the rocker arm and then is fixed on the valve body; the left valve clack and the right valve clack are arranged in a cavity between the valve body and the valve cover and are sleeved in a through hole at the lower end of the rocker arm, a sealing cavity is arranged at the joint of the left valve clack and the right valve clack, a dustproof sealing device is arranged in the sealing cavity, the dustproof sealing device is composed of a disc spring group, a pressing ring and sealing filler, and the pressing ring, the sealing filler and the disc spring group are sequentially arranged from left to right;
The anti-wear hard sealing disc valve also comprises an in-vitro forced sealing structure, the in-vitro forced sealing structure consists of a gland and sealing filler, the sealing filler is arranged on the external sealing surfaces of the valve cover and the valve rod, and the gland is sleeved on one end of the valve rod positioned outside the valve cover and positioned inside the force arm for sealing the sealing filler;
The wear-resistant hard sealing disc valve further comprises an integrated internal self-sealing structure, the internal self-sealing structure is composed of a disc spring group, a pressing ring and sealing filler, the sealing filler is arranged on the internal sealing surface of the valve cover and the valve rod, the pressing ring is sleeved on the valve rod and located above the sealing filler, and the disc spring group is arranged on the valve rod and located above the pressing ring.
The utility model discloses an in the embodiment, valve body and valve gap one end in opposite directions symmetry respectively are equipped with the ring channel, and install respectively on the ring channel between valve body and the valve gap at the both ends of staving, and connect fixedly through bolt, nut.
In an embodiment of the present invention, a sealing gasket is disposed between the barrel body and the annular groove on the valve body, and a sealing gasket is disposed between the barrel body and the annular groove on the valve cover.
in an embodiment of the utility model, the upper end through-hole of rocking arm is awl hexagon socket, and the lower extreme through-hole of rocking arm is the cylinder through-hole, and the middle part of valve rod is equipped with outer awl hexagonal, and during the installation, the awl hexagon socket and the outer awl hexagonal zonulae occludens of valve rod of rocking arm.
Through the technical scheme, the beneficial effects of the utility model are that:
The dustproof sealing device of the utility model not only has the sealing function, but also can prevent the medium from entering, and ensures the relative telecontrol flexibility of the valve clack; the pressure difference self-sealing of the external forced sealing structure and the internal self-sealing structure is adopted, so that the medium leakage phenomenon is reduced to the minimum, and the valve can be applied to toxic and corrosive occasions.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation of the dustproof sealing device of the present invention;
Fig. 3 is the utility model discloses external force seal structure, internal self sealss structure installation schematic diagram.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Referring to fig. 1 to 3, the utility model discloses a wear-resistant hard sealing disk valve, including valve body 1, valve gap 9, staving 3, left valve clack 6, right valve clack 4 and driver 20, driver 20 passes through support 19 to be fixed on valve gap 9.
The driver 20 comprises a force arm 18 and the rocker arm 12, one end of the force arm 18 is connected with the driver 20 and is driven by the driver; annular grooves (not marked in the figure) are symmetrically formed in opposite ends of the valve body 1 and the valve cover 9 respectively, and two ends of the barrel body are installed on the annular grooves between the valve body and the valve cover respectively and are fixedly connected through bolts 8 and nuts 7; a sealing gasket 2 is arranged between the barrel body and the annular groove on the valve body, and the sealing gasket plays a sealing role.
The rocker arm 12 is vertically arranged in the valve cavity 21, through holes are formed in the upper end and the lower end of the rocker arm 12, a conical inner hexagonal hole is formed in the upper end through hole of the rocker arm 12, a cylindrical through hole is formed in the lower end through hole of the rocker arm, an outer conical hexagonal is arranged in the middle of the valve rod 16, when the rocker arm is installed, the conical inner hexagonal hole of the rocker arm 12 is tightly connected with the outer conical hexagonal of the valve rod 16, the rocker arm 12 rotates around the center of a valve rod shaft through the valve rod 16 to move far, and the left valve flap and the right valve; the other end of the force arm 18 is vertically connected with one end of the valve rod 16, the other end of the valve rod 16 penetrates through the valve cover 9 and the through hole at the upper end of the rocker arm 12 and then is fixed on the valve body 1, and the force arm 18 drives the valve rod 16 to rotate in the forward and reverse directions through the driver 20, so that the rocker arm 12 is driven to realize the opening and closing functions of the valve.
The left valve clack 6 and the right valve clack 4 are arranged in a cavity between the valve body 1 and the valve cover 9 and are sleeved in a through hole at the lower end of the rocker arm 12, a sealing cavity is arranged at the joint of the left valve clack 6 and the right valve clack 4, a dustproof sealing device is arranged in the sealing cavity, the dustproof sealing device consists of a disc spring group 5, a pressing ring 10 and sealing packing 11, and the pressing ring 10, the sealing packing 11 and the disc spring group 5 are sequentially arranged from left to right; the disc spring group 5 realizes the sealing of the working area of the disc spring group 5 through a pressing ring 10 and a sealing filler 11 while pushing the left valve flap and the right valve flap to be separated, so as to prevent solid matters in a medium from entering the working area of the disc spring group to block the valve flaps; the left valve flap and the right valve flap can move freely in long-term work, and the normal abrasion of the sealing pair is compensated; the valve clack strikes off and cuts the effect still in service to solid medium, makes the solid matter in the medium hardly enter into the seal chamber, and dustproof sealing device has the function of sealed, that prevents the medium entering, and can guarantee that the valve clack moves about in a flexible way relatively.
the utility model discloses for the full open-type in the valve pocket, can not block the normal operating of sealing member through the extrusion reposition of redundant personnel after the solid piles up.
The wear-resistant hard sealing disc valve also comprises an in-vitro forced sealing structure, the in-vitro forced sealing structure consists of a gland 17 and a sealing filler 15, the sealing filler 15 is arranged on the external sealing surfaces of the valve cover 9 and the valve rod 16, and the gland 17 is sleeved on one end of the valve rod 16 positioned outside the valve cover 9 and positioned on the inner side of the force arm 18 and used for sealing the sealing filler; the wear-resistant hard sealing disc valve further comprises an integrated internal self-sealing structure, the internal self-sealing structure consists of a disc spring group 13, a pressing ring 14 and a sealing filler 22, the sealing filler 22 is arranged on the inner sealing surfaces of the valve cover 9 and the valve rod 16, the pressing ring 14 is sleeved on the valve rod 16 and is positioned above the sealing filler 22, and the disc spring group 13 is arranged on the valve rod 16 and is positioned above the pressing ring 14;
when the pressure in the valve becomes low pressure, the self-sealing relies on the dish spring group compression sealing filler to realize sealing, and when the pressure becomes high pressure, the sealing filler relies on medium self pressure to oppress the sealing filler to realize sealing.
The utility model discloses the during operation, the driver 20 passes through arm of force 18 during the action and transmits to valve rod 16, makes valve rod 16 drive rocking arm 12 and is the effect of opening and close of rotary motion in order to realize the valve around valve rod axle center.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The anti-wear hard sealing disc valve comprises a valve body, a valve cover, a barrel body, a left valve clack, a right valve clack and a driver, wherein the driver comprises a force arm and a rocker arm, and one end of the force arm is connected with the driver and is driven by the driver; the valve is characterized in that the rocker arm is vertically arranged in the valve cavity, through holes are formed in the upper end and the lower end of the rocker arm, the other end of the force arm is vertically connected with one end of the valve rod, and the other end of the valve rod penetrates through the valve cover and the through holes in the upper end of the rocker arm and then is fixed on the valve body; the left valve clack and the right valve clack are arranged in a cavity between the valve body and the valve cover and are sleeved in a through hole at the lower end of the rocker arm, a sealing cavity is arranged at the joint of the left valve clack and the right valve clack, a dustproof sealing device is arranged in the sealing cavity, the dustproof sealing device is composed of a disc spring group, a pressing ring and sealing filler, and the pressing ring, the sealing filler and the disc spring group are sequentially arranged from left to right;
The anti-wear hard sealing disc valve also comprises an in-vitro forced sealing structure, the in-vitro forced sealing structure consists of a gland and sealing filler, the sealing filler is arranged on the external sealing surfaces of the valve cover and the valve rod, and the gland is sleeved on one end of the valve rod positioned outside the valve cover and positioned inside the force arm for sealing the sealing filler;
the wear-resistant hard sealing disc valve further comprises an integrated internal self-sealing structure, the internal self-sealing structure is composed of a disc spring group, a pressing ring and sealing filler, the sealing filler is arranged on the internal sealing surface of the valve cover and the valve rod, the pressing ring is sleeved on the valve rod and located above the sealing filler, and the disc spring group is arranged on the valve rod and located above the pressing ring.
2. an abrasion-resistant hard sealing disk valve according to claim 1, wherein the opposite ends of the valve body and the valve cover are respectively provided with a circular groove symmetrically, and two ends of the barrel body are respectively arranged on the circular grooves between the valve body and the valve cover and are fixedly connected through bolts and nuts.
3. A wear-resistant hard sealing disk valve as claimed in claim 1, wherein a sealing gasket is provided between the barrel body and the annular groove on the valve body, and a sealing gasket is provided between the barrel body and the annular groove on the valve cover.
4. The abrasion-resistant hard sealing disk valve according to claim 1, wherein the through hole at the upper end of the rocker arm is a conical inner hexagonal hole, the through hole at the lower end of the rocker arm is a cylindrical through hole, an outer conical hexagonal hole is arranged at the middle part of the valve rod, and the conical inner hexagonal hole of the rocker arm is tightly connected with the outer conical hexagonal hole of the valve rod during installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252734.5U CN209743628U (en) | 2018-12-29 | 2018-12-29 | Wear-resistant hard sealing disc valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822252734.5U CN209743628U (en) | 2018-12-29 | 2018-12-29 | Wear-resistant hard sealing disc valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209743628U true CN209743628U (en) | 2019-12-06 |
Family
ID=68702983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822252734.5U Active CN209743628U (en) | 2018-12-29 | 2018-12-29 | Wear-resistant hard sealing disc valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209743628U (en) |
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2018
- 2018-12-29 CN CN201822252734.5U patent/CN209743628U/en active Active
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