CN218377730U - Concealed opening and closing mechanism of butterfly valve - Google Patents
Concealed opening and closing mechanism of butterfly valve Download PDFInfo
- Publication number
- CN218377730U CN218377730U CN202222891134.XU CN202222891134U CN218377730U CN 218377730 U CN218377730 U CN 218377730U CN 202222891134 U CN202222891134 U CN 202222891134U CN 218377730 U CN218377730 U CN 218377730U
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- butterfly valve
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- rod
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Abstract
The utility model discloses a hidden opening and closing mechanism of a butterfly valve, which comprises an actuator and a valve seat; a fixed seat for fixing the transmission rod is fixed on one side of the actuator through a screw; a rotating wheel for driving the transmission rod to rotate is fixed on one side of the transmission rod through a screw, a bracket for driving the support plate to move is inserted into one side of the fixing seat, a spring for resetting the positioning block is welded on one side of the support plate, a thread groove for moving the limiting nut is formed in the surface of the bracket, and a fixing rod for driving the bracket to move is welded on one side of the bracket; the utility model discloses a dead lever, locating piece, spring, extension board, support, stop nut and the thread groove of installation, the hidden switching mechanism of having solved current butterfly valve is when using, can't avoid someone mistake to bump the runner and make the butterfly valve open and the closed operation, the lower problem of security performance.
Description
Technical Field
The utility model relates to a butterfly valve technical field, in particular to concealed switching mechanism of butterfly valve.
Background
The butterfly valve is also called a flap valve, is a regulating valve with simple structure, can be used for the on-off control of low-pressure pipeline media, and is a valve which is opened and closed by a closing part (a valve clack or a butterfly plate) which is a disk and rotates around a valve shaft, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.
The butterfly valve is carrying out the during operation, utilizes the runner to make the butterfly valve open and closed usually, and after the butterfly valve is closed, touching the runner can lead to the butterfly valve to open, and the security performance is lower, and disk seat and the valve rod on the butterfly valve utilize the flange to connect usually simultaneously, and the dust can be attached to the junction at disk seat and valve rod in the air, influences the work of butterfly valve, therefore sets up the hidden closing mechanism of a butterfly valve.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a hidden switching mechanism of butterfly valve, the utility model discloses a dead lever, locating piece, spring, extension board, support, stop nut and the thread groove of installation, the hidden switching mechanism of having solved current butterfly valve is when using, can't avoid someone mistake to bump the runner and make the butterfly valve open and the closed operation, the lower problem of security performance.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a hidden opening and closing mechanism of a butterfly valve comprises an actuator and a valve seat; a fixed seat for fixing the transmission rod is fixed on one side of the actuator through a screw;
the positioning device is characterized in that a rotating wheel for driving the transmission rod to rotate is fixed on one side of the transmission rod through a screw, a support for driving the support plate to move is inserted into one side of the fixing seat, a spring for resetting the positioning block is welded on one side of the support plate, a thread groove for enabling the limiting nut to move is formed in the surface of the support, and a fixing rod for driving the support to move is welded on one side of the support.
Further, a fixing plate B for protecting the valve rod is fixed on one side of the valve seat through screws, a connecting shaft for driving the fixing plate A to rotate is fixed on one side of the fixing plate B through screws, and sealing gaskets for improving the sealing performance between the valve rod and the valve seat are bonded on the inner sides of the fixing plate A and the fixing plate B; through the connecting shaft, the fixing plate A, the fixing plate B and the sealing gasket, sealing treatment is conveniently carried out on the joint of the valve rod and the valve seat.
Furthermore, the surfaces of the fixing plate A and the fixing plate B are both provided with connecting screw holes for enabling the connecting screws to enter the fixing plate A and the fixing plate B; the fixing plate A and the fixing plate B are conveniently fixed at the joint of the valve rod and the valve seat.
Furthermore, the surface of the transmission rod is provided with a positioning hole for enabling the positioning block to enter the transmission rod; the positioning block can conveniently enter the transmission rod.
Furthermore, the size of the inner side of the positioning hole is matched with that of the positioning block; the positioning block can conveniently enter the positioning hole.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a dead lever of installation, the locating piece, a spring, the extension board, and a support, stop nut and thread groove, after butterfly valve work, the outer stop nut of support removes through the thread groove on support surface, then the locating piece that the spring drove extension board one side gets into in the locating hole on transmission rod surface, then stop nut removes outside the support through the thread groove, stop nut one side and fixing base in close contact with after, fix the transmission rod, avoid someone mistake to bump the runner and make the butterfly valve open and the closed operation, and safety performance is improved.
2. The utility model discloses a fixed plate A, fixed plate B, connecting axle and the sealed pad of installation, during the use, fixed plate B rotates through the connecting axle on the fixed plate A, in connecting screw rod got into fixed plate A and fixed plate B respectively afterwards, makes the inboard sealed pad of fixed plate A and fixed plate B carry out in close contact with respectively in the junction of valve rod and disk seat to improve the leakproofness of valve rod and disk seat junction 。
Drawings
Fig. 1 is a schematic view of the overall structure of a concealed opening and closing mechanism of a butterfly valve according to the present invention;
fig. 2 is a schematic view of the internal structure of the fixing seat of the concealed opening/closing mechanism of the butterfly valve according to the present invention;
in the figure: 1. an actuator; 2. a fixed seat; 3. a transmission rod; 4. a rotating wheel; 5. a fixing rod; 6. a valve stem; 7. a connecting shaft; 8. a valve seat; 9. a support; 10. a gasket; 11. a fixing plate A; 12. a connecting screw hole; 13. connecting a screw rod; 14. a fixing plate B; 15. a spring; 16. a support plate; 17. positioning blocks; 18. positioning holes; 19. a limit nut; 20. a thread groove.
Detailed Description
In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.
As shown in fig. 1-2, a concealed opening and closing mechanism of a butterfly valve comprises an actuator 1 and a valve seat 8; a fixed seat 2 for fixing the transmission rod 3 is fixed on one side of the actuator 1 through screws;
a rotating wheel 4 for driving the transmission rod 3 to rotate is fixed on one side of the transmission rod 3 through a screw, a support 9 for driving a support plate 16 to move is inserted into one side of a fixed seat 2, a spring 15 for resetting a positioning block 17 is welded on one side of the support plate 16, a thread groove 20 for moving a limiting nut 19 is arranged on the surface of the support 9, a fixed rod 5 for driving the support 9 to move is welded on one side of the support 9, a positioning hole 18 for enabling the positioning block 17 to enter the transmission rod 3 is formed in the surface of the transmission rod 3, and the size of the inner side of the positioning hole 18 is matched with the size of the positioning block 17.
A fixing plate B14 for protecting the valve rod 6 is fixed on one side of the valve seat 8 through screws, a connecting shaft 7 for driving a fixing plate A11 to rotate is fixed on one side of the fixing plate B14 through screws, sealing gaskets 10 for improving the sealing performance between the valve rod 6 and the valve seat 8 are bonded on the inner sides of the fixing plate A11 and the fixing plate B14, and connecting screw holes 12 for enabling connecting screws 13 to enter the fixing plate A11 and the fixing plate B14 are formed in the surfaces of the fixing plate A11 and the fixing plate B14; the joint of the valve rod 6 and the valve seat 8 is sealed conveniently by the connecting shaft 7, the fixing plate A11, the fixing plate B14 and the sealing gasket 10.
It should be noted that, the present invention is a hidden opening and closing mechanism of a butterfly valve, when in use, a fixing plate B14 rotates through a connecting shaft 7 on a fixing plate a11, and then a connecting screw 13 enters the fixing plate a11 and the fixing plate B14 through a connecting screw hole 12, so that sealing gaskets 10 on the inner sides of the fixing plate a11 and the fixing plate B14 respectively make tight contact with a joint of a valve rod 6 and a valve seat 8, thereby improving the sealing property of the joint of the valve rod 6 and the valve seat 8, when the butterfly valve works, the fixing rod 5 is pulled first, so that the fixing rod 5 drives a support plate 16 on one side of a support 9 to move, then a positioning block 17 on one side of the support plate 16 moves out of a positioning hole 18 on the surface of a transmission rod 3, and simultaneously a spring 15 in a fixing seat 2 starts to compress, then a limit nut 19 on the outer side of the support 9 is rotated, then stop nut 19 removes through thread groove 20 that the support 9 surface was seted up, stop nut 19 one side and 2 surface contact of fixing base afterwards, fix support 9 in fixing base 2 one side, then runner 4 drives transfer line 3 and rotates, make valve rod 6 under the executor 1 rotate, make the butterfly valve begin to work, after the butterfly valve work, the outer stop nut 19 of support 9 removes through the thread groove 20 on support 9 surface, then spring 15 drives the locating piece 17 of extension board 16 one side and gets into in the locating hole 18 on transfer line 3 surface, then stop nut 19 removes outside support 9 through thread groove 20, 19 one side of stop nut closely contacts with fixing base 2 afterwards, fix transfer line 3, avoid someone mistake to bump rotary wheel 4 and make the butterfly valve work, improve the security performance.
The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. 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 (5)
1. A concealed opening and closing mechanism of a butterfly valve comprises an actuator (1) and a valve seat (8); the device is characterized in that a fixed seat (2) for fixing the transmission rod (3) is fixed on one side of the actuator (1) through a screw;
the mechanism is characterized in that a rotating wheel (4) for driving the transmission rod (3) to rotate is fixed on one side of the transmission rod (3) through a screw, a support (9) for driving a support plate (16) to move is inserted into one side of a fixing seat (2), a spring (15) for resetting a positioning block (17) is welded on one side of the support plate (16), a thread groove (20) for enabling a limiting nut (19) to move is formed in the surface of the support (9), and a fixing rod (5) for driving the support (9) to move is welded on one side of the support (9).
2. A concealed opening/closing mechanism of a butterfly valve according to claim 1, wherein: disk seat (8) one side screw fixation has fixed plate B (14) of carrying out the protection to valve rod (6), fixed plate B (14) one side screw fixation has drive fixed plate A (11) and carries out pivoted connecting axle (7), fixed plate A (11) and fixed plate B (14) inboard all bond and have sealed pad (10) that improve leakproofness between valve rod (6) and the disk seat (8).
3. A concealed opening/closing mechanism for a butterfly valve according to claim 2, wherein: and the surfaces of the fixing plate A (11) and the fixing plate B (14) are respectively provided with a connecting screw hole (12) which enables the connecting screw rod (13) to enter the fixing plate A (11) and the fixing plate B (14).
4. A concealed opening/closing mechanism of a butterfly valve according to claim 1, wherein: the surface of the transmission rod (3) is provided with a positioning hole (18) for enabling the positioning block (17) to enter the transmission rod (3).
5. The concealed opening/closing mechanism of a butterfly valve according to claim 4, wherein: the size of the inner side of the positioning hole (18) is matched with that of the positioning block (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222891134.XU CN218377730U (en) | 2022-10-28 | 2022-10-28 | Concealed opening and closing mechanism of butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222891134.XU CN218377730U (en) | 2022-10-28 | 2022-10-28 | Concealed opening and closing mechanism of butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218377730U true CN218377730U (en) | 2023-01-24 |
Family
ID=84937053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222891134.XU Active CN218377730U (en) | 2022-10-28 | 2022-10-28 | Concealed opening and closing mechanism of butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218377730U (en) |
-
2022
- 2022-10-28 CN CN202222891134.XU patent/CN218377730U/en active Active
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