CN210661388U

CN210661388U - Flow metering valve capable of naturally discharging sewage

Info

Publication number: CN210661388U
Application number: CN201921798152.5U
Authority: CN
Inventors: 刘忠强; 张立; 张春晓; 孔祥飞; 申安安
Original assignee: Shenyang Academy of Instrumentation Science Co Ltd
Current assignee: Shenyang Academy of Instrumentation Science Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-06-02
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a but flowmeter of natural blowdown, including membrane chamber, valve rod, disk seat and clearance ware, one side of membrane chamber bottom is provided with the atmospheric pressure mouth, and the intermediate position department of membrane chamber bottom installs the mount, the internally mounted of membrane chamber has the diaphragm, and the intermediate position department of diaphragm bottom installs the push rod, the bottom of push rod vertically passes the bottom of membrane chamber and extends to the inside of mount, and is provided with flow indicator dish on the inboard push rod of mount, the bottom of push rod is connected with the valve rod, and the inside position department that is close to the valve rod of mount evenly is provided with spacing baffle. This but flowmeter of nature blowdown valve provides certain deformation space for the sleeve through being provided with belleville spring, has avoided the case to produce the dead condition of card because of high temperature, makes the device have stronger high temperature resistance, and the suitability is stronger.

Description

Flow metering valve capable of naturally discharging sewage

Technical Field

The utility model relates to a flow valve field specifically is a but flow metering valve of natural blowdown.

Background

The flow valve is widely applied in engineering and daily life, is suitable for a water system needing flow control, is particularly suitable for flow control of non-corrosive liquid media such as heat supply, air conditioners and the like, is arranged in the water system, and can automatically keep the flow of the system at a required set value through primary adjustment before operation.

The current flow valve function has been comparatively complete, but in the flow control process, the valve rod probably produces and rocks, makes the case produce and vibrates, influences the regulation precision, in addition, current flow valve after long-time work, dregs meeting adhesion in the liquid is at the inner wall of disk seat, then lightly causes the influence to the precision of valve, then seriously causes the valve to block up, consequently need often to tear the clearance with the flow valve open, and this process is wasted time and energy, uses comparatively inconveniently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but flow metering valve of blowdown naturally, in the flow control process with the current flow metering valve who proposes in solving above-mentioned background art, the valve rod probably produces and rocks, make the case produce and vibrate, influence the regulation precision, in addition, current flow valve is after long-time work, dregs in the liquid can adhere at the inner wall of disk seat, light then cause the influence to the precision of valve, heavily then cause the valve to block up, consequently, need often to tear the flow valve open the clearance, this process is wasted time and energy, use comparatively inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: a flow metering valve capable of discharging sewage naturally comprises a membrane chamber, a valve rod, a valve seat and a cleaner, wherein an air pressure port is formed in one side of the bottom end of the membrane chamber, a fixing frame is installed in the middle of the bottom end of the membrane chamber, a membrane is installed inside the membrane chamber, a push rod is installed in the middle of the bottom of the membrane, the bottom end of the push rod longitudinally penetrates through the bottom end of the membrane chamber and extends into the fixing frame, a flow indicating disc is arranged on the push rod inside the fixing frame, the bottom end of the push rod is connected with the valve rod, a limiting guide plate is evenly arranged in the fixing frame at a position close to the valve rod, a packing cavity is fixed at the bottom end of the fixing frame, the valve seat is installed at the bottom end of the packing cavity, the bottom end of the valve rod longitudinally penetrates through the packing cavity and extends into the valve seat, a valve core is, and the intermediate position department of the inside both sides of sleeve all installs belleville spring, set up out the water cavity in the disk seat of sleeve top, and be provided with into the water cavity in the disk seat of sleeve below, it all is fixed with the couple with the inside one side of keeping away from the sleeve of water cavity all to go out water cavity and the inside one side of keeping away from the couple of water cavity all is provided with the clearance ware, the clearance brush is all installed in the outside of clearance ware, and the clearance brush all installs the high strength steel wire near the both ends of sleeve one side, one side that the clearance brush was kept away from to the high strength steel wire all is fixed with the link.

Preferably, a return spring is fixed between the middle position of the bottom of the diaphragm and the middle position of the bottom end in the diaphragm chamber, and the inner diameter of a return spring ring is larger than the outer diameter of the push rod.

Preferably, the central axis of the membrane chamber coincides with that of the fixing frame, and the membrane chamber is detachably structured with the fixing frame through bolts.

Preferably, the number of the limiting guide plates is four, and the limiting guide plates and the fixing frame form an elastic structure through springs.

Preferably, the bottom of the packing cavity is of a groove-shaped structure, and the inner diameter of the groove at the bottom of the packing cavity is matched with the outer diameter of the top of the valve core.

Preferably, the cleaning device is clamped with the cleaning brush, and the cleaning brush is respectively attached to the inner walls of the water outlet cavity and the water inlet cavity.

Compared with the prior art, the beneficial effects of the utility model are that:

this but flowmeter of nature blowdown is through being provided with disc spring, certain deformation space is provided for the sleeve, the case has been avoided producing the dead condition of card because of high temperature, make the device have stronger high temperature resistance, the suitability is stronger, the device is through installing spacing baffle, make the valve rod can remain stable when removing, reduce the rocking that removes the production, make the precision of this flow valve regulation higher, the device is through installing the clearance ware, twitch high strength steel wire alright drive clearance ware during the use and control about going into the water cavity and play intracavity portion, the clearance brush in the clearance ware outside alright with go into under the dregs brush of water cavity and play intracavity wall adhesion, reuse clear water washes away alright after that, need not to unpack the flow valve apart, the clearance is more time-saving and laborsaving.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of the structure of the cleaner of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

in the figure: 1. a membrane; 2. a membrane chamber; 3. a flow indicator panel; 4. a push rod; 5. an air pressure port; 6. a fixed mount; 7. a limiting guide plate; 8. a valve stem; 9. a packing cavity; 10. a water outlet cavity; 11. a sleeve; 12. a valve seat; 13. a water inlet cavity; 14. hooking; 15. a cleaner; 16. cleaning a brush; 17. a high strength steel wire; 18. hanging a ring; 19. a valve core; 20. a belleville spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-3, the present invention provides a technical solution: a flow metering valve capable of discharging sewage naturally comprises a membrane chamber 2, a valve rod 8, a valve seat 12 and a cleaner 15, wherein an air pressure port 5 is arranged on one side of the bottom end of the membrane chamber 2, a fixing frame 6 is installed at the middle position of the bottom end of the membrane chamber 2, the membrane chamber 2 is superposed with the central axis of the fixing frame 6, the membrane chamber 2 and the fixing frame 6 form a detachable structural design through bolts, the central axis is superposed to enable the fixing frame 6 to have a better supporting effect and to be more stable in supporting, the detachable structural design enables the device to be convenient to detach and assemble and to be more convenient to overhaul, a membrane 1 is installed inside the membrane chamber 2, a push rod 4 is installed at the middle position of the bottom of the membrane 1, a return spring is fixed between the middle position of the bottom of the membrane 1 and the middle position of the bottom end inside the membrane chamber 2, the inner diameter of a return spring ring is larger than the outer diameter of, the diaphragm 1 can be positioned at the bottom end inside the diaphragm chamber 2 under the action of the tension of the reset spring, the push rod 4 is downward at the moment, the valve is in a closed state, the situation that dust is adhered to the inner wall of the sleeve after entering the device and is difficult to clean is avoided, the inner diameter of a reset spring ring is larger than the outer diameter of the push rod 4, so that the reset spring can completely surround the push rod 4, a limiting effect is exerted on the push rod 4, the push rod is prevented from shaking or inclining, the design is more reasonable, the bottom end of the push rod 4 longitudinally penetrates through the bottom end of the diaphragm chamber 2 and extends into the fixing frame 6, the push rod 4 on the inner side of the fixing frame 6 is provided with the flow indicating disc 3, the bottom end of the push rod 4 is connected with the valve rod 8, the position, which is close to the valve rod 8, inside the fixing frame 6 is uniformly provided with, the four designs make the limiting guide plate 7 have better limiting effect on the valve rod 8, the valve rod 8 can be kept stable when moving, and the shaking generated by the movement is reduced, so that the precision of the flow valve adjustment is higher, the bottom end of the fixing frame 6 is fixed with the packing cavity 9, the bottom end of the packing cavity 9 is provided with the valve seat 12, the bottom of the packing cavity 9 is of a groove-shaped structure, the inner diameter of a groove at the bottom of the packing cavity 9 is matched with the outer diameter of the top of the valve core 19, the groove-shaped structure design makes the valve core 19 completely contained in the groove of the packing cavity 9, the phenomenon that the valve core 19 blocks the work of the cleaner 15 is avoided, the design is more reasonable, the bottom end of the valve rod 8 longitudinally penetrates through the packing cavity 9 and extends to the inside of the valve seat 12, the bottom end of the valve core 19 is fixed on the valve rod 8, the sleeve 11 is arranged at, offer out water cavity 10 in the disk seat 12 of sleeve 11 top, and be provided with into water cavity 13 in the disk seat 12 of sleeve 11 below, it all is fixed with couple 14 with the inside one side of keeping away from sleeve 11 of income water cavity 10 to go out water cavity 10, and it all is provided with clearance ware 15 with the inside one side of keeping away from couple 14 of income water cavity 10, be the joint between clearance ware 15 and the clearance brush 16, and clearance brush 16 laminates with the inner wall of going out water cavity 10 and income water cavity 13 respectively, the joint design is connected and is more convenient for dismantle the change, it is more convenient to use, and the design of laminating mutually makes clearance effect of clearance ware 15 better, the design is more reasonable, and clearance brush 16 is all installed in clearance ware 15's the outside, and clearance brush 16 all installs high strength steel wire 17 near the both ends of sleeve 11 one side, one side that clearance brush 16 was kept away from to high strength steel wire 17 all is fixed with link 18.

The working principle is as follows: when the device is used, a power supply is switched on, a water inlet pipe is connected with a water inlet of a water inlet cavity 13, a water outlet pipe is connected with a water outlet of a water outlet cavity 10, an output end of a pneumatic cylinder is connected with a pneumatic port 5, the pneumatic cylinder works to drive a membrane 1 to move upwards so as to enable a push rod 4 to move upwards to a proper distance, namely, a valve rod 8 is driven to move upwards to a proper position, water enters the water inlet cavity 13 and enters a water outlet cavity 10 through a gap formed by a valve core 19 and a sleeve 11 and flows out of the water outlet cavity, when the flow valve needs to be cleaned, the valve is opened completely, then a hanging ring 18 is taken down from a hanging hook 14, a high-strength steel wire 17 is pulled by two hands to drive a cleaner 15 to move left and right inside the water inlet cavity 13 and the water outlet cavity 10, a cleaning brush 16 outside the cleaner 15 can brush dregs adhered to the inner walls of the water inlet cavity 13 and the water outlet cavity 10, the cleaning is more time-saving and labor-saving.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A but flowmeter of nature blowdown valve, includes diaphragm chamber (2), valve rod (8), disk seat (12) and clearance ware (15), its characterized in that: one side of the bottom end of the membrane chamber (2) is provided with an air pressure port (5), a fixing frame (6) is installed at the middle position of the bottom end of the membrane chamber (2), a membrane (1) is installed inside the membrane chamber (2), a push rod (4) is installed at the middle position of the bottom of the membrane (1), the bottom end of the push rod (4) longitudinally penetrates through the bottom end of the membrane chamber (2) and extends to the inside of the fixing frame (6), a flow indicating disc (3) is arranged on the push rod (4) on the inner side of the fixing frame (6), the bottom end of the push rod (4) is connected with a valve rod (8), a limiting guide plate (7) is uniformly arranged at a position close to the valve rod (8) inside the fixing frame (6), a packing cavity (9) is fixed at the bottom end of the fixing frame (6), a valve seat (12) is installed at the bottom end of the packing cavity (9), and the bottom end of the valve rod (8), a valve core (19) is fixed at the bottom end of the valve rod (8), a sleeve (11) is arranged at the middle position in the valve seat (12), and the middle positions of the two sides in the sleeve (11) are both provided with a butterfly spring (20), a water outlet cavity (10) is arranged in the valve seat (12) above the sleeve (11), a water inlet cavity (13) is arranged in the valve seat (12) below the sleeve (11), hooks (14) are fixed on one sides of the interior of the water outlet cavity (10) and the interior of the water inlet cavity (13) far away from the sleeve (11), and one sides of the interiors of the water outlet cavity (10) and the water inlet cavity (13) far away from the hook (14) are respectively provided with a cleaner (15), the outer sides of the cleaners (15) are respectively provided with a cleaning brush (16), and both ends of the cleaning brush (16) close to one side of the sleeve (11) are provided with high-strength steel wires (17), and hanging rings (18) are fixed on one sides of the high-strength steel wires (17) far away from the cleaning brushes (16).

2. A naturally waste drainable flow metering valve as claimed in claim 1, wherein: and a return spring is fixed between the middle position of the bottom of the diaphragm (1) and the middle position of the bottom end in the diaphragm chamber (2), and the inner diameter of a return spring ring is larger than the outer diameter of the push rod (4).

3. A naturally waste drainable flow metering valve as claimed in claim 2, wherein: the central axis of the membrane chamber (2) coincides with the central axis of the fixing frame (6), and the membrane chamber (2) forms a detachable structural design with the fixing frame (6) through a bolt.

4. A naturally waste drainable flow metering valve as claimed in claim 1, wherein: the number of the limiting guide plates (7) is four, and the limiting guide plates (7) and the fixing frame (6) form an elastic structure through springs.

5. A naturally waste drainable flow metering valve as claimed in claim 4, wherein: the bottom of the packing cavity (9) is of a groove-shaped structure, and the outer diameters of the tops of the inner diameter valve cores (19) of the grooves at the bottom of the packing cavity (9) are matched.

6. A naturally waste drainable flow metering valve as claimed in claim 1, wherein: the cleaning device (15) is clamped with the cleaning brush (16), and the cleaning brush (16) is respectively attached to the inner walls of the water outlet cavity (10) and the water inlet cavity (13).