CN211145397U - Liquid flow regulating valve - Google Patents
Liquid flow regulating valve Download PDFInfo
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- CN211145397U CN211145397U CN201922212320.4U CN201922212320U CN211145397U CN 211145397 U CN211145397 U CN 211145397U CN 201922212320 U CN201922212320 U CN 201922212320U CN 211145397 U CN211145397 U CN 211145397U
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Abstract
The utility model provides a liquid flow control valve, including hand wheel, drive assembly, upper valve seat, sealed pad, locking bolt, valve body, plug and case, the utility model discloses drive assembly's setting, when opening or closing the governing valve, hand wheel drive valve rod rotates, under the cooperation of external screw thread and upper valve seat on the valve rod, realizes drive assembly's up-and-down motion, and universal bulb self can rotate, therefore the case can not rotate, can guarantee the accuracy of water inlet, delivery port and case counterpoint, and the case can not appear wearing and tearing moreover, very big improvement the leakproofness of governing valve; due to the arrangement of the valve core, the water passing groove is formed in the valve core and is obliquely formed from the upper left side of the valve core to the lower right side of the valve core, water in the water passing groove can be completely discharged at the moment when the valve core is closed, and the water passing groove is effectively prevented from being frozen and cannot be normally used.
Description
Technical Field
The utility model belongs to the technical field of the governing valve, especially, relate to a liquid flow control valve.
Background
The regulating valve is also called a control valve, and in the field of industrial automation process control, the final control element for changing the process parameters of medium flow, pressure, temperature, liquid level and the like by power operation through receiving the control signal output by a regulating control unit. Generally consisting of an actuator and a valve. If according to the stroke characteristic, the regulating valve can be divided into a straight stroke and an angular stroke; the pneumatic regulating valve, the electric regulating valve and the hydraulic regulating valve can be divided into three types according to the power used by the matched executing mechanism; the method is divided into three types, namely a linear characteristic, an equal percentage characteristic and a parabolic characteristic according to functions and characteristics of the method. The regulating valve is suitable for air, water, steam, various corrosive media, slurry, oil and other media. The common classification of regulating valves: pneumatic regulating valve, electric regulating valve, hydraulic regulating valve and self-operated regulating valve.
The existing regulating valve is generally used for fastening a sealing sleeve at the outer part of a valve core, but when a valve rod rotates, the valve core can also rotate correspondingly, so that a sealing ring outside the valve core can be abraded by rotation of a valve body when the valve core is closed and opened, the valve core is made to lose sealing effect for a long time, the situation of leakage, overflow, dripping and leakage is caused, liquid is easily remained in the valve core, and once the liquid is frozen, the situation that the valve core cannot be opened is caused in winter. Therefore, it is necessary to design a liquid flow regulating valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquid flow control valve, the utility model provides a technical scheme that its technical problem took is: a liquid flow regulating valve comprises a hand wheel, a driving assembly, an upper valve seat, a sealing gasket, a locking bolt, a valve body, a plug and a valve core; the hand wheel is embedded at the top of the driving component and is arranged in a quincuncial shape; the driving assembly is in threaded connection with the upper valve seat and extends into the valve body; the upper valve seat is arranged at the upper end of the valve body through a locking bolt, and a sealing gasket is arranged between the upper valve seat and the valve body; the sealing gasket is made of polytetrafluoroethylene materials and has the thickness of 3-5 mm; the plug is arranged at the bottom of the valve body and is in threaded connection with the valve body; the valve core is arranged in the valve body, and the top of the valve body is detachably connected with the driving assembly.
As optimization, the driving assembly comprises a valve rod, a square neck, external threads, a universal ball head and a sealing sleeve, the square neck is arranged at the top of the valve rod and is connected with a hand wheel in a matched manner, and the external threads are arranged in the middle of the valve rod; the sealing sleeve is sleeved on the valve rod and is in sealing connection with the upper valve seat; the universal bulb both ends weld with the bottom of valve rod and the top of case respectively, when opening or closing the governing valve, the hand wheel drives the valve rod and rotates, under the cooperation of external screw thread and last disk seat on the valve rod, realizes drive assembly's up-and-down motion, and universal bulb self can be rotatory, therefore the case can not rotate, can guarantee the accuracy that water inlet, delivery port and case counterpoint, the case can not appear wearing and tearing moreover, very big improvement the leakproofness of governing valve.
As optimization, the valve body comprises a shell, a water inlet, a water outlet, a flange plate, an inner cavity and a water discharge port, wherein the water inlet and the water outlet are respectively arranged at two sides of the shell; the inner cavity is arranged in the shell and communicated with the water inlet and the water outlet; the flange plates are respectively welded at the outer ends of the water inlet and the water outlet; the water discharging port is arranged at the bottom of the shell, the internal thread is arranged at the water discharging port, no matter the valve core is opened or closed, liquid in the water inlet and the water outlet cannot flow into the inner cavity, accumulated liquid is prevented from appearing in the inner cavity, even if the accumulated liquid leaks slightly, the accumulated liquid can be discharged through the water discharging port, and the problem that the valve core cannot move due to freezing in winter is avoided.
As an optimization, the valve core is arranged
The valve core is internally provided with a water through groove which is arranged from the upper left of the valve coreThe valve core is obliquely arranged towards the lower right, so that water in the water trough can be completely discharged at the moment when the valve core is closed, and the water trough is effectively prevented from being frozen and cannot be normally used.
Preferably, the water inlet and the water outlet are both arranged in an inclined shape, and the calibers of the water inlet, the water outlet and the water through groove formed in the valve core are consistent.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses the setting of drive assembly, when opening or closing the governing valve, the hand wheel drives the valve rod and rotates, under the cooperation of external screw thread and upper valve seat on the valve rod, realizes drive assembly's up-and-down motion, and universal bulb self can rotate, therefore the case can not rotate, can guarantee the accuracy of water inlet, delivery port and case counterpoint, and the case can not appear wearing and tearing moreover, very big improvement the leakproofness of governing valve;
2. the valve body of the utility model prevents the liquid in the water inlet and the water outlet from flowing into the inner cavity no matter the valve core is opened or closed, so that the accumulated liquid is prevented from appearing in the inner cavity, even if the accumulated liquid leaks slightly, the accumulated liquid can be discharged through the water discharging port, and the problem that the valve core cannot move due to freezing in winter is avoided;
3. the utility model discloses the setting of case, the inside water trough of having seted up of case, and the water trough is seted up from the upper left side of case to the below right side slope of case, also can discharge the water in the water trough completely in the twinkling of an eye that the case was closed, and the effectual water trough that prevents is frozen, can not normal use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the driving assembly of the present invention;
FIG. 3 is a schematic view of the valve body structure of the present invention;
fig. 4 is a schematic view of the valve core structure of the present invention;
the device comprises a hand wheel 1, a driving assembly 2, a valve rod 21, a square neck 22, an external thread 23, a universal ball head 24, a sealing sleeve 25, an upper valve seat 3, a sealing gasket 4, a locking bolt 5, a valve body 6, a shell 61, a water inlet 62, a water outlet 63, a flange 64, an inner cavity 65, a water outlet 66, a plug 7 and a valve core 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. 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.
The present invention will be further described with reference to the following specific embodiments and accompanying drawings.
Example 1:
the utility model provides a liquid flow regulating valve, which comprises a hand wheel 1, a driving component 2, an upper valve seat 3, a sealing gasket 4, a locking bolt 5, a valve body 6, a plug 7 and a valve core 8; the hand wheel 1 is embedded at the top of the driving component 2, and the hand wheel 1 is arranged in a quincunx shape; the driving assembly 2 is in threaded connection with the upper valve seat 3 and extends into the valve body 6; the upper valve seat 3 is arranged at the upper end of the valve body 6 through a locking bolt 5, and a sealing gasket 4 is arranged between the upper valve seat 3 and the valve body 6; the sealing gasket 4 is made of polytetrafluoroethylene materials and has the thickness of 3-5 mm; the plug 7 is arranged at the bottom of the valve body 6, and the plug 7 is in threaded connection with the valve body 6; the valve core 8 is arranged inside the valve body 6, and the top of the valve body 6 is detachably connected with the driving assembly 2.
The driving assembly 2 comprises a valve rod 21, a square neck 22, an external thread 23, a universal ball head 24 and a sealing sleeve 25, wherein the square neck 22 is arranged at the top of the valve rod 21, the square neck 22 is connected with the hand wheel 1 in a matching way, and the external thread 23 is arranged in the middle of the valve rod 21; the sealing sleeve 25 is sleeved on the valve rod 21 and is connected with the upper valve seat 3 in a sealing way; universal bulb 24 both ends weld with the bottom of valve rod 21 and the top of case 8 respectively, when opening or closing the governing valve, hand wheel 1 drives valve rod 21 and rotates, under the cooperation of external screw thread 23 and last disk seat 3 on valve rod 21, realize drive assembly 2's up-and-down motion, and universal bulb 24 self can be rotatory, therefore case 8 can not rotate, can guarantee water inlet 62, the accuracy of delivery port 63 and the 8 counterpoints of case, and wearing and tearing can not appear in case 8 moreover, very big improvement the leakproofness of governing valve.
The valve body 6 comprises a shell 61, a water inlet 62, a water outlet 63, a flange 64, an inner cavity 65 and a water discharging opening 66, wherein the water inlet 62 and the water outlet 63 are respectively arranged at two sides of the shell 61; the inner cavity 65 is formed in the shell 61, and the inner cavity 65 is communicated with the water inlet 62 and the water outlet 63; the flange 64 is respectively welded at the outer ends of the water inlet 62 and the water outlet 63; the water discharge port 66 is arranged at the bottom of the shell 61, internal threads are arranged on the water discharge port 66, no matter the valve core 8 is opened or closed, liquid in the water inlet 62 and the water outlet 63 cannot flow into the inner cavity 65, accumulated liquid is prevented from appearing in the inner cavity 65, even if the accumulated liquid leaks slightly, the accumulated liquid can be discharged through the water discharge port 66, and the phenomenon that the valve core 8 cannot move due to freezing in winter is avoided.
The valve core 8 is provided with
The valve core 8 is internally provided with a water passing groove which is obliquely arranged from the upper left of the valve core 8 to the lower right of the valve core 8, so that water in the water passing groove can be completely discharged at the moment when the valve core 8 is closed, and the water passing groove is effectively prevented from being frozen and cannot be normally used.
The working principle is as follows: the utility model discloses when the regulating valve is opened, hand wheel 1 drives valve rod 21 and rotates, external screw thread 23 and last disk seat 3's cooperation is down gone up to valve rod 21, realize drive assembly 2's downstream, and universal bulb 24 self can be rotatory, consequently, case 8 moves down, and do not rotate, when the water trough in case 8 and water inlet 62 and delivery port 63 microcontact, it passes through to belong to the low discharge, case 8 continues to move down, liquid flow slowly increases, when the regulating valve is closed, with hand wheel 1 antiport, drive assembly 2 drives case 8 and shifts up, reduce water trough and water inlet 62 and delivery port 63 area of contact, reduce liquid flow, also can discharge the water in the water trough completely in the twinkling of an eye at the time of case 8 closing, the effectual water trough that prevents is frozen, can not normally used.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (5)
1. A liquid flow control valve which characterized in that: comprises a hand wheel (1), a driving component (2), an upper valve seat (3), a sealing gasket (4), a locking bolt (5), a valve body (6), a plug (7) and a valve core (8); the hand wheel (1) is embedded at the top of the driving component (2), and the hand wheel (1) is arranged in a quincunx shape; the driving assembly (2) is in threaded connection with the upper valve seat (3) and extends into the valve body (6); the upper valve seat (3) is arranged at the upper end of the valve body (6) through a locking bolt (5), and a sealing gasket (4) is arranged between the upper valve seat (3) and the valve body (6); the sealing gasket (4) is made of polytetrafluoroethylene materials and has the thickness of 3-5 mm; the plug (7) is arranged at the bottom of the valve body (6), and the plug (7) is in threaded connection with the valve body (6); the valve core (8) is arranged in the valve body (6), and the top of the valve body (6) is detachably connected with the driving assembly (2).
2. The liquid flow regulating valve of claim 1, wherein: the driving assembly (2) comprises a valve rod (21), a square neck (22), external threads (23), a universal ball head (24) and a sealing sleeve (25), the square neck (22) is arranged at the top of the valve rod (21), the square neck (22) is connected with the hand wheel (1) in a matched mode, and the external threads (23) are arranged in the middle of the valve rod (21); the sealing sleeve (25) is sleeved on the valve rod (21) and is in sealing connection with the upper valve seat (3); two ends of the universal ball head (24) are respectively welded with the bottom of the valve rod (21) and the top of the valve core (8).
3. The liquid flow regulating valve of claim 1, wherein: the valve body (6) comprises a shell (61), a water inlet (62), a water outlet (63), a flange plate (64), an inner cavity (65) and a water discharging port (66), wherein the water inlet (62) and the water outlet (63) are respectively arranged at two sides of the shell (61); the inner cavity (65) is arranged inside the shell (61), and the inner cavity (65) is communicated with the water inlet (62) and the water outlet (63); the flange plates (64) are respectively welded at the outer ends of the water inlet (62) and the water outlet (63); the water discharging port (66) is arranged at the bottom of the shell (61), and the water discharging port (66) is provided with internal threads.
4. The liquid flow regulating valve of claim 1, wherein: the valve core (8) is provided with
The valve core (8) is internally provided with a water passing groove which is obliquely arranged from the upper left of the valve core (8) to the lower right of the valve core (8).
5. The liquid flow regulating valve according to claim 3, wherein: the water inlet (62) and the water outlet (63) are both arranged in an inclined shape, and the calibers of the water through grooves formed in the water inlet (62), the water outlet (63) and the valve core (8) are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922212320.4U CN211145397U (en) | 2019-12-11 | 2019-12-11 | Liquid flow regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922212320.4U CN211145397U (en) | 2019-12-11 | 2019-12-11 | Liquid flow regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211145397U true CN211145397U (en) | 2020-07-31 |
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ID=71748499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922212320.4U Active CN211145397U (en) | 2019-12-11 | 2019-12-11 | Liquid flow regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211145397U (en) |
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2019
- 2019-12-11 CN CN201922212320.4U patent/CN211145397U/en active Active
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