Symmetrical ball valve

Abstract

The utility model belongs to the field of ball valves, and particularly relates to a symmetrical ball valve which comprises a left valve body and a right valve body, the right valve body is fixedly installed on one side of the left valve body, connecting flanges are fixedly installed on the outer side of the left valve body and the outer side of the right valve body respectively, a disassembling and assembling mechanism is arranged between the two connecting flanges, a left sealing shell is installed on the top of the left valve body, and a right sealing shell is installed on the top of the right valve body. A left sealing shell is fixedly installed at the top of the left valve body, a right sealing shell is fixedly installed at the top of the right valve body, a valve element is arranged between the left valve body and the right valve body, a valve rod is fixedly installed at the top of the valve element, the valve rod penetrates through the left sealing shell and the right sealing shell and is provided with a handle, and a locking mechanism is arranged between the handle and the left sealing shell and between the handle and the right sealing shell. And a communicating hole is formed in the connecting flange. The ball valve is reasonable in design, the valve element is convenient to disassemble, assemble and maintain, meanwhile, by fixing the handle, the purpose that the handle does not move can be achieved, and the situation that the ball valve is opened and closed by mistake is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve technical field especially relates to a symmetrical ball valve. BACKGROUND

[0002] Ball valve as a kind of common valve type, is widely used in various pipeline systems, for controlling fluid on-off and flow regulation.

[0003] In actual use process, the maintenance and operation convenience of ball valve is crucial. The traditional ball valve can have some deficiencies in structural design, for example, valve body disassembly is inconvenient, leading to the maintenance and replacement of internal valve core are difficult;Handle fixing mode is not reasonable enough, prone to misoperation, affect the normal use of valve;The connection between handle and valve stem is not flexible enough, is not conducive to the replacement and adjustment of handle, therefore we propose a symmetrical ball valve to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in prior art and provides a symmetrical ball valve.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A symmetrical ball valve, including left valve body, right valve body, the right valve body is fixedly installed on the side of left valve body, and the outer side of left valve body and right valve body is fixedly installed with the connecting flange, and the dismounting mechanism is equipped between the two connecting flanges, the top of left valve body is installed with left seal shell, and the top of right valve body is fixedly installed with right seal shell, and the valve core is equipped between left valve body and right valve body, and the valve stem is fixedly installed at the top of valve core, and the valve stem penetrates left seal shell and right seal shell and is equipped with handle, and the locking mechanism is equipped between handle and left seal shell, right seal shell.

[0007] Optionally, the dismounting mechanism includes mounting hole, fixed bolt and fixed nut one, the connecting flange is provided with communicating hole, and the fixed bolt penetrates the corresponding two communicating holes and is screw-mounted with fixed nut one.

[0008] Optionally, the top of handle is provided with mounting hole, and the fixed mechanism is equipped between valve stem and handle through mounting hole.

[0009] Optionally, the fixed mechanism includes fixed screw rod and fixed nut two, and the fixed screw rod is fixedly installed on the top of valve stem, and the fixed screw rod penetrates the corresponding mounting hole and is screw-mounted with fixed nut two.

[0010] Optionally, the locking mechanism includes pressing assembly and plug-in assembly, and the pressing assembly is arranged on the bottom of handle, and the plug-in assembly is equipped between pressing assembly and left seal shell, right seal shell.

[0011] Optionally, the pressing assembly comprises a vertical rod, a moving groove, a connecting rod, a fixed spring and a fixed disc, the vertical rod is fixedly installed on the bottom of the handle, the bottom of the vertical rod is provided with the moving groove, the connecting rod is slidably installed in the moving groove, the bottom of the two connecting rods is fixedly provided with the same fixed disc, the fixed spring is fixedly installed on the top inner wall of the moving groove, and the bottom end of the fixed spring is fixedly installed on the connecting rod.

[0012] Optionally, the insertion assembly comprises an insertion rod and an insertion hole, the insertion hole is annular and is equidistantly arranged on the top of the fixed disc, the top of the left sealing shell and the right sealing shell is fixedly provided with the insertion rod, and the insertion rod is matched with the corresponding insertion hole.

[0013] Optionally, the side of the fixed disc is fixedly provided with a push rod, and the push rod is located directly below the handle.

[0014] The utility model discloses beneficial effects:

[0015] 1, through fixed bolt and fixed nut one can realize convenient to the left valve body and right valve body dismounting, thereby realize convenient to the valve core dismounting and maintenance's purpose;

[0016] 2, when needing to open and close the ball valve, the insertion rod is separated from the insertion hole by moving the push rod upwards, so that the handle is fixed, the handle can be rotated to rotate the valve stem and the valve core, so that the ball valve is opened and closed, and the handle is fixed, so that the handle is misused;

[0017] 3, by rotating fixed nut two, the fixed nut two can be separated from the fixed screw rod, so that the handle can be disassembled. DRAWINGS

[0018] Figure 1 A three-dimensional structure schematic view of a symmetrical ball valve is provided for the utility model;

[0019] Figure 2 A structure schematic view of part A of a symmetrical ball valve is provided for the utility model;

[0020] Figure 3 A partial three-dimensional structure schematic view of a symmetrical ball valve is provided for the utility model;

[0021] Figure 4 A partial sectional three-dimensional structure schematic view of a symmetrical ball valve is provided for the utility model;

[0022] Figure 5 A structure schematic view of part B of a symmetrical ball valve is provided for the utility model.

[0023] In the figure: 101, left valve body; 102, right valve body; 103, left sealing shell; 104, right sealing shell; 201, valve core; 202, valve rod; 203, handle; 301, connecting flange; 302, fixing bolt; 303, fixing nut one; 401, mounting hole; 402, fixing screw; 403, fixing nut two; 501, vertical rod; 502, moving groove; 503, connecting rod; 504, fixing spring; 505, fixing disc; 601, insertion hole; 602, insertion rod; 7, push rod. DETAILED DESCRIPTION

[0024] The following will be described in detail in combination with the accompanying Figures 1-5 The application is further described in detail.

[0025] The embodiment of the application discloses a symmetrical ball valve.

[0026] Reference Figures 1-5 A symmetrical ball valve, comprising a left valve body 101, a right valve body 102, the right valve body 102 being fixedly installed on one side of the left valve body 101, the outer sides of the left valve body 101 and the right valve body 102 being fixedly installed with connecting flanges 301, a dismounting mechanism being arranged between the two connecting flanges 301, the top of the left valve body 101 being installed with a left sealing shell 103, the top of the right valve body 102 being fixedly installed with a right sealing shell 104, a valve core 201 being arranged between the left valve body 101 and the right valve body 102, the top of the valve core 201 being fixedly installed with a valve rod 202, the valve rod 202 penetrating through the left sealing shell 103 and the right sealing shell 104 and being provided with a handle 203, the handle 203 being provided with a locking mechanism between the left sealing shell 103 and the right sealing shell 104.

[0027] In the embodiment, the dismounting mechanism comprises mounting holes 401, fixing bolts 302 and fixing nuts one 303, the connecting flanges 301 are provided with communicating holes, the fixing bolts 302 penetrate through the corresponding two communicating holes and are threadedly installed with the fixing nuts one 303, the fixing bolts 302 and the fixing nuts one 303 can facilitate the dismounting of the left valve body 101 and the right valve body 102, so that the valve core 201 can be conveniently dismounted and maintained.

[0028] In the embodiment, the top of the handle 203 is provided with a mounting hole 401, the valve rod 202 is provided with a fixing mechanism between the mounting hole 401 and the handle 203, the fixing mechanism comprises a fixing screw 402 and a fixing nut two 403, the fixing screw 402 is fixedly installed on the top of the valve rod 202, the fixing screw 402 penetrates through the corresponding mounting hole 401 and is threadedly installed with the fixing nut two 403, the fixing screw 402 and the fixing nut two 403 are arranged, the fixing nut two 403 can be separated from the fixing screw 402 by rotating the fixing nut two 403, so that the handle 203 can be dismounted.

[0029] In the embodiment, the locking mechanism includes a pressing assembly and a plug-in assembly, the pressing assembly is arranged on the bottom of the handle 203, and the plug-in assembly is arranged between the pressing assembly and the left sealing shell 103 and the right sealing shell 104, the pressing assembly includes a vertical rod 501, a moving groove 502, a connecting rod 503, a fixed spring 504 and a fixed disc 505, the vertical rod 501 is fixedly installed on the bottom of the handle 203, the bottom of the vertical rod 501 is provided with the moving groove 502, the connecting rod 503 is slidably installed in the moving groove 502, the bottom of each of the two connecting rods 503 is fixedly installed with the same fixed disc 505, the fixed spring 504 is fixedly installed on the inner wall of the top of the moving groove 502, and the bottom end of the fixed spring 504 is fixedly installed on the connecting rod 503, so that the fixed disc 505 can be pressed on the left sealing shell 103 and the right sealing shell 104 by arranging the pressing assembly.

[0030] In the embodiment, the plug-in assembly includes a plug rod 602 and a plug hole 601, the plug hole 601 is annularly and equidistantly arranged on the top of the fixed disc 505, the top of the left sealing shell 103 and the right sealing shell 104 is fixedly installed with the plug rod 602, and the plug rod 602 is matched with the corresponding plug hole 601, so that the handle 203 can be fixed by arranging the plug rod 602 and the plug hole 601, one side of the fixed disc 505 is fixedly installed with the push rod 7, the push rod 7 is located directly below the handle 203, the push rod 7 can drive the fixed disc 505 and the connecting rod 503 to move upwards by moving upwards, so that the plug rod 602 is separated from the plug hole 601, and the handle 203 can be unfixed.

[0031] The working principle of the utility model is: the fixing bolt 302 and the fixing nut one 303 can realize the convenient dismounting of the left valve body 101 and the right valve body 102, so that the valve core 201 can be conveniently dismounted and maintained, when the ball valve needs to be opened and closed, the push rod 7 can drive the fixed disc 505 and the connecting rod 503 to move upwards by moving upwards, so that the plug rod 602 is separated from the plug hole 601, so that the handle 203 can be unfixed, the handle 203 can be driven to rotate the valve rod 202 and the valve core 201 by rotating the handle 203, so that the ball valve can be opened and closed, the handle 203 can be misoperated by fixing the handle 203, the fixing nut two 403 can be separated from the fixing screw rod 402 by rotating the fixing nut two 403, so that the handle 203 can be dismounted.

[0032] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, so that: any equivalent changes made on the structure, shape and principle of the application should be covered in the protection scope of the application.

Claims

1. A symmetrical ball valve, characterized in that Including left valve body (101), right valve body (102), the right valve body (102) is fixedly installed on one side of left valve body (101), and the outer side of left valve body (101) and right valve body (102) is fixedly installed with connecting flange (301), and the dismounting mechanism is arranged between two connecting flanges (301); The top of left valve body (101) is installed with left sealing shell (103), and the top of right valve body (102) is fixedly installed with right sealing shell (104), and the valve core (201) is arranged between left valve body (101) and right valve body (102), the top of valve core (201) is fixedly installed with valve rod (202), valve rod (202) penetrates left sealing shell (103) and right sealing shell (104) and is equipped with handle (203), and the locking mechanism is arranged between handle (203) and left sealing shell (103), right sealing shell (104).

2. A symmetric ball valve according to claim 1, characterized in that The dismounting mechanism includes mounting hole (401), fixed bolt (302) and fixed nut one (303), the connecting flange (301) is provided with a communication hole, the fixed bolt (302) penetrates the corresponding two communication holes and is screw-mounted with the fixed nut one (303).

3. A symmetric ball valve according to claim 1, characterized in that The top of handle (203) is provided with mounting hole (401), and the valve rod (202) is provided with a fixing mechanism between mounting hole (401) and handle (203).

4. A symmetric ball valve according to claim 3, characterized in that The fixing mechanism includes fixed screw rod (402) and fixed nut two (403), and the fixed screw rod (402) is fixedly installed on the top of valve rod (202), and the fixed screw rod (402) penetrates the corresponding mounting hole (401) and is screw-mounted with the fixed nut two (403).

5. A symmetric ball valve according to claim 1, characterized in that The locking mechanism includes a pressing assembly and a plug-in assembly, the pressing assembly is arranged on the bottom of handle (203), and the plug-in assembly is arranged between the pressing assembly and left sealing shell (103), right sealing shell (104).

6. A symmetric ball valve according to claim 5, characterized in that The pressing assembly includes vertical rod (501), moving groove (502), connecting rod (503), fixed spring (504) and fixed disc (505), the vertical rod (501) is fixedly installed on the bottom of handle (203), the bottom of vertical rod (501) is provided with moving groove (502), the connecting rod (503) is slidably installed in moving groove (502), the bottom of two connecting rods (503) is fixedly installed with the same fixed disc (505), the fixed spring (504) is fixedly installed on the connecting rod (503) on the top inner wall of moving groove (502).

7. A symmetric ball valve according to claim 5, characterized in that The plug-in assembly includes plug rod (602) and plug hole (601), the plug hole (601) is annularly and equidistantly arranged on the top of fixed disc (505), the top of left sealing shell (103) and right sealing shell (104) is fixedly installed with plug rod (602), and the plug rod (602) is matched with the corresponding plug hole (601).

8. A symmetric ball valve according to claim 6, characterized in that One side of the fixed disc (505) is fixedly installed with a push rod (7), and the push rod (7) is located directly below the handle (203).

Images