CN215673688U - Flow control ball valve - Google Patents
Flow control ball valve Download PDFInfo
- Publication number
- CN215673688U CN215673688U CN202121014301.1U CN202121014301U CN215673688U CN 215673688 U CN215673688 U CN 215673688U CN 202121014301 U CN202121014301 U CN 202121014301U CN 215673688 U CN215673688 U CN 215673688U
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- valve
- flow
- ball
- handle
- wall
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- Expired - Fee Related
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Abstract
The utility model provides a flow control ball valve which comprises a valve body, wherein the top of the valve body is rotationally connected with a handle through a valve rod, a valve ball is arranged in the valve body, a main flow passage is formed in the valve body in a penetrating manner, the valve ball is rotationally connected in the main flow passage, an auxiliary flow passage is formed in the valve ball in a penetrating manner, and when the valve ball is rotationally opened, the main flow passage is communicated with the auxiliary flow passage; the valve ball is characterized in that a valve seat and a flow limiting sheet are respectively arranged on two sides of the valve ball, the valve seat is positioned between the outer wall of the valve ball and the inner wall of the main flow passage, the valve seat is annular, and the area of an annular opening is larger than the sectional area of the auxiliary flow passage; the flow limiting sheet is positioned between the outer wall of the valve ball and the inner wall of the main runner, a flow limiting opening is formed in the flow limiting sheet, and the area of the flow limiting opening is smaller than the sectional area of the auxiliary runner. The utility model has reasonable design, and the flow-limiting sheet can accurately control the maximum flow of the valve when the valve is completely opened, thereby being more accurate.
Description
Technical Field
The utility model relates to the field of ball valves, in particular to a flow control ball valve.
Background
The opening and closing piece of the ball valve is a ball body with a circular channel, the ball body rotates around an axis vertical to the channel, and the ball body rotates along with the valve rod so as to achieve the purpose of opening and closing the channel. The ball valve can be closed tightly only by rotating 90 degrees and a small rotating moment. When the ball valve rotates 90 degrees, the inlet and the outlet are all spherical, so that the valve is closed and the flow of the medium is cut off; when the ball valve is turned 90 degrees, the ball ports should be fully present at the inlet and outlet ports, thereby opening flow and having substantially no flow resistance.
The ball valve controls the flow rate at which the water flux is maximum when fully open, and the angle of opening is controlled as follows. However, for some specific situations, it is necessary to control a precise flow rate, which is not the maximum flow rate of the ball valve, so that it is troublesome to adjust the precise angle, and the precision is not enough.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the defects in the prior art, and provide a flow control ball valve which accurately controls the flow of the valve.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a flow control ball valve comprises a valve body, wherein the top of the valve body is rotatably connected with a handle through a valve rod, a valve ball is arranged inside the valve body, a main flow channel is formed in the valve body in a penetrating mode, the valve ball is rotatably connected into the main flow channel, an auxiliary flow channel is formed in the valve ball in a penetrating mode, and when the valve ball is opened in a rotating mode, the main flow channel is communicated with the auxiliary flow channel; the valve ball is characterized in that a valve seat and a flow limiting sheet are respectively arranged on two sides of the valve ball, the valve seat is positioned between the outer wall of the valve ball and the inner wall of the main flow passage, the valve seat is annular, and the area of an annular opening is larger than the sectional area of the auxiliary flow passage; the flow limiting sheet is positioned between the outer wall of the valve ball and the inner wall of the main runner, a flow limiting opening is formed in the flow limiting sheet, and the area of the flow limiting opening is smaller than the sectional area of the auxiliary runner.
So design, flow control ball valve's ball one end is the current-limiting piece, and the other end is the disk seat, and flow control ball valve drives the valve ball through rotating the valve rod and rotates and reach opening and close of valve, the flow size of controlling simultaneously. When the valve is completely opened, the flow limiting sheet can accurately control the maximum flow of the valve; and the flow passing through each opening is a specific flow designed according to the size of the flow limiting opening, so that the flow limiting opening is more accurate.
Preferably, the flow limiting sheet comprises a flow limiting seat and a blocking sheet, the flow limiting seat is clamped at the opening at the end part of the auxiliary flow channel and is abutted against the inner wall of the main flow channel; the blocking piece is fixed in the flow limiting seat, and the flow limiting opening is formed in the blocking piece.
By the design, the corresponding flow ports can be formed in the blocking piece according to the required flow, and the flow of the valve can be accurately controlled. A plurality of ball valves with different specifications and different flow openings can be prepared in advance for use in different occasions.
Preferably, the flow-limiting sheet is prepared by mixing carbon fiber, glass fiber and PTEF.
Because the carbon fiber, the glass fiber and the PTEF material are used, the composite material has moderate hardness, good wear resistance, good compression deformation and rebound resilience, and can well balance the sealing property and the operation torque.
Preferably, the manufacturing process of the flow-limiting sheet is as follows:
s1, adding the raw materials into a mould for mould pressing;
s2, sintering to prepare a blank;
and S3, performing finish machining according to the size of the flow limiting port.
Preferably, an end of the main flow passage is connected with a mounting pipe, an end wall of the mounting pipe is abutted against an end of the valve ball, and the inside of the mounting pipe is communicated with the secondary flow passage. The detachable connection of the valve ball can be realized.
Preferably, the installation pipe sleeve is provided with a cover body. The cover body can protect the end part of the valve body, and the cover body can be used for plugging the valve body when an outlet at one end of the valve body is not required to be used.
Preferably, the outer side wall of the mounting pipe is provided with a plurality of abutting planes. The butt plane can be convenient for install the in-process application of force of installation pipe, and difficult emergence is skidded, promotes the simple operation nature, also can increase the installation pipe in the friction of lid quality inspection, prevents that the lid from droing.
Preferably, a chain is connected between the cover body and the handle. The cover can be prevented from being lost.
Preferably, the top of the valve rod is connected with an extension pipe, and one end of the extension pipe, which is far away from the valve rod, is connected with the handle.
The effective length of the valve rod is prolonged through the phase change of the extension pipe, so that the length of the extension pipe is prolonged under the condition that the space around the top of the valve rod is small and inconvenient to operate, and the space around the top of the extension pipe is convenient to operate.
Preferably, slots are formed in two ends of the lengthened pipe, a lengthened handle is arranged at the top of the lengthened pipe, an insertion block is arranged at the bottom of the lengthened handle, the insertion block connected with the lengthened handle is inserted into the slots formed in the top of the lengthened pipe, and the lengthened handle is detachably connected with the handle.
By the design, the insertion block is inserted into the insertion groove, so that the lengthening pipe and the lengthening handle can be relatively static, and the lengthening pipe can synchronously rotate when the lengthening handle rotates.
Compared with the prior art, the utility model has the following obvious effects: when the valve is completely opened, the maximum flow of the valve can be accurately controlled by the flow limiting sheet, and the valve is more accurate.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic structural view of the restrictor plate of the present invention.
Fig. 4 is an enlarged view of the valve stem portion of fig. 2.
Fig. 5 is a schematic view of the handle portion of the present invention.
Fig. 6 is an enlarged view of the stop assembly of fig. 5.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1 to 6, the embodiment provides a flow control ball valve, which includes a valve body 1, wherein the top of the valve body 1 is rotatably connected to a handle 15 through a valve rod 11, a valve ball 6 is disposed inside the valve body 1, a main flow passage 110 is formed through the valve body 1, the valve ball 6 is rotatably connected to the main flow passage 110, an auxiliary flow passage 120 is formed through the valve ball 6, and when the valve ball 6 is rotatably opened, the main flow passage 110 is communicated with the auxiliary flow passage 120; a valve seat 7 and a flow-limiting sheet 8 are respectively arranged on two sides of the valve ball 6, the valve seat 7 is positioned between the outer wall of the valve ball 6 and the inner wall of the main runner 110, a sealing ring is arranged at the abutting position, the valve seat 7 is annular, and the area of an annular opening is larger than the sectional area of the auxiliary runner 120; the flow restriction sheet 8 is positioned between the outer wall of the valve ball 6 and the inner wall of the main flow passage 110, a sealing ring is arranged at the abutting position, a flow restriction opening 81 is formed in the flow restriction sheet 8, and the area of the flow restriction opening 81 is smaller than the sectional area of the auxiliary flow passage 120.
The ball end of the flow control ball valve is a flow limiting sheet 8, the other end of the flow control ball valve is a valve seat 7, the flow control ball valve drives a valve ball 6 to rotate to open and close the valve by rotating a valve rod 11, and meanwhile the flow is controlled. But when the valve is completely opened, the flow limiting sheet 8 can accurately control the maximum flow of the valve; and the flow rate passing through each opening is a specific flow rate designed according to the size of the flow limiting opening 81, so that the flow rate is more accurate.
In this embodiment, the flow restriction sheet 8 includes a flow restriction seat 82 and a blocking sheet 83, the flow restriction seat 82 is clamped at the opening of the end of the secondary flow channel 120 and abuts against the inner wall of the primary flow channel 110; the blocking piece 83 is fixed in the flow limiting seat 82, and the flow limiting opening 81 is opened on the blocking piece 83.
The corresponding flow port can be arranged at the position of the blocking sheet 83 according to the required flow, and the flow of the valve can be accurately controlled. A plurality of ball valves with different specifications and different flow openings can be prepared in advance for use in different occasions.
The restrictor plate 8 is made of carbon fiber, glass fiber and PTEF (Polytetrafluoroethylene) by mixing.
Because the carbon fiber, the glass fiber and the PTEF material are used, the composite material has moderate hardness, good wear resistance, good compression deformation and rebound resilience, and can well balance the sealing property and the operation torque.
The manufacturing process of the current limiting sheet 8 is as follows:
s1, adding the raw materials into a mould for mould pressing;
s2, sintering to prepare a blank;
and S3, performing finish machining according to the size of the flow restricting port 81.
In this embodiment, the end of the main flow passage 110 is connected with a mounting pipe 9, the end wall of the mounting pipe 9 abuts against the end of the valve ball 6, and the inside of the mounting pipe 9 is communicated with the secondary flow passage 120, so that the detachable connection of the valve ball 6 can be realized.
The mounting tube 9 is sleeved with a cover 5. The cover body 5 can protect the end part of the valve body 1, and the cover body 5 can be used for plugging the valve body 1 when an outlet at one end of the valve body is not needed to be used. A chain 51 is connected between the cover 5 and the handle 15 to prevent the cover 5 from being lost.
The outer side wall of the mounting tube 9 is provided with a plurality of abutment planes 91. The butt plane 91 can be convenient for install the in-process application of force of installation pipe 9, and the difficult emergence is skidded, promotes the simple operation nature, also can increase installation pipe 9 in the friction of lid 5 quality inspection, prevents that lid 5 from droing.
In this embodiment, the top of the valve rod 11 is connected with an extension pipe 13, and one end of the extension pipe 13 far away from the valve rod 11 is connected with a handle 15.
The effective length of the valve rod 11 is prolonged by the phase change of the extension pipe 13, so that the length of one extension pipe 13 is prolonged under the condition that the space around the top of the valve rod 11 is small and is not convenient to operate, and the space around the top of the extension pipe 13 is convenient to operate.
The outer side of the extension pipe 13 is also sleeved with an outer sleeve 16 in a clearance fit manner, and the bottom of the outer sleeve 16 is fixed with the outer side wall of the valve body 11 by welding so as to protect the extension pipe 13.
The slots 20 are respectively formed at two ends of the lengthening tube 13, the insertion blocks 2 are integrally formed at one end of the lengthening seat 12 and the lengthening handle 14 facing the lengthening tube 13, and the insertion blocks 2 are respectively inserted into the corresponding slots 20 to realize the connection of the lengthening seat 12 and the lengthening handle 14 relative to the lengthening tube 13, so that the lengthening seat 12, the lengthening tube 13 and the lengthening handle 14 can synchronously rotate.
The top of the lengthening handle 14 is integrally formed with a square block 3, the handle 15 penetrates through the square hole 30 along the thickness direction of the handle, and the square block 3 is inserted into the square hole 30 in an adaptive mode so as to realize synchronous rotation of the lengthening handle 14 and the handle 15.
In this embodiment, the handle 15 includes a fixed rod 151 and a movable rod 152, the fixed rod 151 is rotatably connected to the valve body 11 through a rotating shaft, a movable hole 153 is opened at one end of the fixed rod 151 facing the movable rod 152, and a position-limiting component 10 is connected between the movable rod 152 and an inner wall of the movable hole 153.
The limiting assembly 10 comprises a spring 101 and a pair of mounting rods 102, the two mounting rods 102 are fixed at two ends of the spring 101 through gluing, mounting holes 155 are formed in the end wall of the movable rod 152 and the inner wall of the movable hole 153, and the mounting rods 102 are in threaded connection with the mounting holes 155. The inner wall of the movable hole 153 is radially perforated with an air hole 154 to maintain the air pressure balance in the movable hole 153 during the reciprocating sliding of the movable rod 152.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. A flow control ball valve, characterized in that: the valve comprises a valve body, wherein the top of the valve body is rotationally connected with a handle through a valve rod, a valve ball is arranged in the valve body, a main flow channel is formed in the valve body in a penetrating mode, the valve ball is rotationally connected in the main flow channel, an auxiliary flow channel is formed in the valve ball in a penetrating mode, and when the valve ball is rotationally opened, the main flow channel is communicated with the auxiliary flow channel; the valve ball is characterized in that a valve seat and a flow limiting sheet are respectively arranged on two sides of the valve ball, the valve seat is positioned between the outer wall of the valve ball and the inner wall of the main flow passage, the valve seat is annular, and the area of an annular opening is larger than the sectional area of the auxiliary flow passage; the flow limiting sheet is positioned between the outer wall of the valve ball and the inner wall of the main runner, a flow limiting opening is formed in the flow limiting sheet, and the area of the flow limiting opening is smaller than the sectional area of the auxiliary runner.
2. The flow-control ball valve of claim 1, wherein: the flow limiting sheet comprises a flow limiting seat and a blocking sheet, the flow limiting seat is clamped at an opening at the end part of the auxiliary flow channel and is abutted against the inner wall of the main flow channel; the blocking piece is fixed in the flow limiting seat, and the flow limiting opening is formed in the blocking piece.
3. The flow-control ball valve of claim 1, wherein: the end part of the main flow passage is connected with a mounting pipe, the end wall of the mounting pipe is abutted against the end part of the valve ball, and the inside of the mounting pipe is communicated with the secondary flow passage.
4. A flow-control ball valve according to claim 3, wherein: the installation pipe sleeve is provided with a cover body.
5. The flow-control ball valve of claim 4, wherein: the outer side wall of the mounting pipe is provided with a plurality of abutting planes (121).
6. The flow-control ball valve of claim 4, wherein: a chain is connected between the cover body and the handle.
7. The flow-control ball valve of claim 6, wherein: the top of the valve rod is connected with an extension pipe, and one end of the extension pipe, which is far away from the valve rod, is connected with a handle.
8. The flow-control ball valve of claim 7, wherein: the novel lengthened pipe is characterized in that slots are formed in two ends of the lengthened pipe, a lengthened handle is arranged at the top of the lengthened pipe, an insertion block is arranged at the bottom of the lengthened handle, the insertion block connected with the lengthened handle is inserted into the slots formed in the top of the lengthened pipe, and the lengthened handle is detachably connected with the handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121014301.1U CN215673688U (en) | 2021-05-12 | 2021-05-12 | Flow control ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121014301.1U CN215673688U (en) | 2021-05-12 | 2021-05-12 | Flow control ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673688U true CN215673688U (en) | 2022-01-28 |
Family
ID=79971948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121014301.1U Expired - Fee Related CN215673688U (en) | 2021-05-12 | 2021-05-12 | Flow control ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673688U (en) |
-
2021
- 2021-05-12 CN CN202121014301.1U patent/CN215673688U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220128 |