CN214889105U - Regulation formula water conservancy check valve - Google Patents

Abstract

The utility model discloses a regulation formula water conservancy check valve, including the valve body, the top of valve body is equipped with the installing port, and the installing port department at valve body top is fixed with the valve gap through the bolt-up, and still is provided with ring type seal between valve body and the valve gap, the left downside of valve body is equipped with the water inlet, and the right side of valve body is equipped with the delivery port, still is provided with the flow control mouth on the bottom inner wall of valve body inner chamber, and the water inlet is linked together through the inner chamber of flow control mouth with the valve body. The utility model discloses in the size that provides a pair of regulation formula water conservancy check valve, can convenient and fast in the use adjust the valve body in the discharge, avoided in the prior art because of the unable drawback that causes great limitation of adjusting of the size of discharge, enlarged application scope, and simple structure, the people of being convenient for adjust according to actual need, satisfied current user demand.

Description

Regulation formula water conservancy check valve

Technical Field

The utility model relates to a hydraulic engineering technical field especially relates to an adjust formula water conservancy check valve.

Background

The check valve is a valve which automatically opens and closes a valve flap by the flow of a medium and is used for preventing the medium from flowing backwards, and is also called a check valve, a one-way valve, a reverse flow valve and a back pressure valve. The check valve is an automatic valve and mainly used for preventing medium from flowing backwards, preventing the pump and a driving motor from reversing and discharging container medium. At present, check valves are often needed in the water feeding and discharging process of water conservancy. For example, chinese patent No. CN106885020A discloses an adjustable water conservancy check valve, which comprises a pipe body, wherein one end of the pipe body is provided with a first connecting ring perpendicular to the pipe body, the other end of the pipe body is provided with a second connecting ring installed obliquely, and a movable valve flap is installed above the second connecting ring in a hinged connection manner.

However, current regulation formula water conservancy check valve in the use, can not come the size of the internal water outflow of governing valve according to people's actual demand, just so make the less limitation of water conservancy check valve's application scope, can't adjust according to actual need, be difficult to satisfy the user demand of current water conservancy drainage. To this end, we provide an adjustable hydraulic check valve to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an adjustable water conservancy check valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an adjustable water conservancy check valve comprises a valve body, wherein the top of the valve body is provided with a mounting opening, a valve cover is fixedly mounted at the mounting opening at the top of the valve body through a bolt, an annular sealing ring is arranged between the valve body and the valve cover, a water inlet is arranged at the left lower side of the valve body, a water outlet is arranged at the right side of the valve body, a flow regulating port is also arranged on the inner wall of the bottom of the inner cavity of the valve body, and the water inlet is communicated with the inner cavity of the valve body through the flow regulating port, the check valve clack is rotatably arranged in the water outlet, a pin shaft is fixedly arranged between the inner walls at the two sides of the inner cavity of the water outlet, the top of the check valve clack is provided with a rotating hole, the check valve clack is rotatably sleeved on a pin shaft through a rotating hole, the pin shaft is also sleeved with a torsional return spring, one end of the torsional reset spring is fixedly connected to the pin shaft, and the other end of the torsional reset spring is fixedly connected to the inner wall of the rotating hole;

the cross-section of valve gap is T shape structure, the bottom center of valve gap is equipped with the adjustment tank, has the screwed pipe along vertical direction slidable mounting in the adjustment tank, and the bottom fixedly connected with of screwed pipe adjusts the head, and adjusts head and flow control mouth looks adaptation, still has adjusting screw through threaded connection in the screwed pipe, and adjusting screw's top rotates the top and the fixedly connected with adjust button that extend to the valve gap.

Preferably, the inner wall of the top of the adjusting groove is fixedly sleeved with a sealing bearing, and the adjusting screw is installed on the sealing bearing in a sealing and rotating mode.

Preferably, the both sides of screwed pipe all are provided with the slider, all are equipped with the spout on the both sides inner wall of adjustment tank, and slider slidable mounting is in the spout.

Preferably, a sealing ring is fixedly arranged at the water outlet on the left side of the check valve clack, and the sealing ring is matched with the check valve clack.

Preferably, the left side of the water inlet and the right side of the water outlet are respectively and fixedly provided with a flange connecting sheet.

Preferably, the top symmetry of valve body is equipped with the thread groove, and the symmetry is provided with the bolt hole on the valve gap, and the bolt respectively with thread groove and bolt hole threaded connection.

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

the utility model discloses in, carry out positive and negative rotation through the adjusting knob to adjusting screw, and adjusting screw rotates with the screwed pipe relatively when rotating, and the screwed pipe still passes through slider and spout slip direction simultaneously, when adjusting screw rotates like this, can make the screwed pipe carry out upper and lower screw drive on adjusting screw, the screwed pipe drives the regulation head again when reciprocating to adjust from top to bottom, when the regulation head moves down and adjusts, can make rivers pass through the flow control mouth department flow reduction, on the contrary, when the regulation head moves up and adjusts, then can make rivers pass through the flow control mouth the flow increase;

to sum up, the utility model discloses in the size that provides a regulation formula water conservancy check valve, can convenient and fast in the use adjust the valve body in the discharge, avoided in the prior art because of the unable drawback that causes great limitation of adjusting of the size of discharge, enlarged application scope, and simple structure, the people of being convenient for adjust according to actual need, satisfied current user demand.

Drawings

Fig. 1 is a schematic structural view of an adjustable water conservancy check valve provided by the present invention;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;

fig. 3 is the schematic cross-sectional structure diagram of the middle pin shaft, the check valve flap and the torsion return spring of the present invention.

In the figure: the valve comprises a valve body 1, a water inlet 101, a flow regulating port 102, a water outlet 103, a valve cover 2, a pin shaft 3, a check valve flap 4, a rotating hole 401, a torsion return spring 402, a sealing ring 5, a regulating button 6, a regulating screw 7, a threaded pipe 8, a regulating head 9, a sliding block 10, a regulating groove 11, an annular sealing ring 12, a bolt 13, a bolt hole 14, a threaded groove 15, a sealing bearing 16 and a flange connecting piece 17.

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.

Referring to fig. 1-3, an adjustable water conservancy check valve comprises a valve body 1, a mounting opening is arranged at the top of the valve body 1, a valve cover 2 is fixedly mounted at the mounting opening at the top of the valve body 1 through a bolt 13, an annular sealing ring 12 is further arranged between the valve body 1 and the valve cover 2, a water inlet 101 is arranged at the lower left side of the valve body 1, a water outlet 103 is arranged at the right side of the valve body 1, a flow regulating opening 102 is further arranged on the inner wall at the bottom of the inner cavity of the valve body 1, the water inlet 101 is communicated with the inner cavity of the valve body 1 through the flow regulating opening 102, a check valve flap 4 is rotatably mounted in the water outlet 103, a pin shaft 3 is fixedly mounted between the inner walls at two sides of the inner cavity of the water outlet 103, a rotating hole 401 is arranged at the top of the check valve flap 4, the check valve flap 4 is rotatably sleeved on the pin shaft 3 through the rotating hole 401, a torsion return spring 402 is further sleeved on the pin shaft 3, and one end of the torsion return spring 402 is fixedly connected on the pin shaft 3, the other end of the torsion return spring 402 is fixedly connected to the inner wall of the rotating hole 401;

the cross-section of valve gap 2 is T shape structure, the bottom center of valve gap 2 is equipped with adjustment tank 11, has screwed pipe 8 along vertical direction slidable mounting in the adjustment tank 11, and the bottom fixedly connected with of screwed pipe 8 adjusts head 9, and adjusts head 9 and flow control mouth 102 looks adaptation, still has adjusting screw 7 through threaded connection in the screwed pipe 8, and adjusting screw 7's top rotates the top and the fixedly connected with adjusting knob 6 that extend to valve gap 2. The utility model discloses in the size that provides a pair of regulation formula water conservancy check valve, can convenient and fast in the use adjust the valve body in the discharge, avoided in the prior art because of the unable drawback that causes great limitation of adjusting of the size of discharge, enlarged application scope, and simple structure, the people of being convenient for adjust according to actual need to current user demand has been satisfied.

Specifically, a sealing bearing 16 is fixedly sleeved on the inner wall of the top of the adjusting groove 11, and the adjusting screw 7 is installed on the sealing bearing 16 in a sealing and rotating manner.

Specifically, both sides of screwed pipe 8 all are provided with slider 10, all are equipped with the spout on the both sides inner wall of adjustment tank 11, and slider 10 slidable mounting is in the spout.

Specifically, a sealing ring 5 is fixedly arranged at the water outlet 103 on the left side of the check valve flap 4, and the sealing ring 5 is matched with the check valve flap 4.

Specifically, the left side of the water inlet 101 and the right side of the water outlet 103 are respectively and fixedly provided with a flange connecting sheet 17.

Specifically, the top of the valve body 1 is symmetrically provided with a thread groove 15, the valve cover 2 is symmetrically provided with bolt holes 14, and the bolts 13 are respectively in threaded connection with the thread groove 15 and the bolt holes 14.

The utility model discloses a regulation formula water conservancy check valve, when using, rivers from water inlet 101 in flow control mouth 102 gets into valve body 1, under the water pressure effect, open the rotation of return valve clack 4 right, still can obtain torsion return spring 402 torsional deformation simultaneously, finally, rivers pass through delivery port 103 discharge can, when rivers appear flowing back from delivery port 103, then return valve clack 4 can reset and with delivery port 103 shutoff, play the effect of rivers return, prevent to return water, the aforesaid is prior art. In the utility model, the flow of the drained water can be adjusted, when adjusting, the adjusting screw 7 is rotated forward and backward through the adjusting button 6, the adjusting screw 7 rotates relative to the threaded pipe 8 when rotating, and the threaded pipe 8 is guided to slide through the sliding block 10 and the sliding groove, so that when the adjusting screw 7 rotates, the threaded pipe 8 can be driven to perform up-and-down thread transmission on the adjusting screw 7, the threaded pipe 8 drives the adjusting head 9 to adjust up and down when moving up and down, when the adjusting head 9 moves to adjust down, the flow of the water flow passing through the flow adjusting port 102 can be reduced, otherwise, when the adjusting head 9 moves up and adjusts, the flow of the water flow passing through the flow adjusting port 102 can be increased; finally, the utility model provides a this regulation formula water conservancy check valve can convenient and fast adjust the size of discharge in the valve body in the use, has enlarged application scope greatly, and simple structure, and the people of being convenient for adjust according to actual need to current user demand has been satisfied.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a regulation formula water conservancy check valve, includes valve body (1), and the top of valve body (1) is equipped with the installing port, and the installing port department at valve body (1) top still is provided with ring packing (12) through bolt (13) installation fixed with valve gap (2) between valve body (1) and valve gap (2), its characterized in that, the left downside of valve body (1) is equipped with water inlet (101), and the right side of valve body (1) is equipped with delivery port (103), still is provided with flow control mouth (102) on the bottom inner wall of valve body (1) inner chamber, and water inlet (101) are linked together through flow control mouth (102) and the inner chamber of valve body (1), return valve clack (4) is installed in the rotation of delivery port (103), and fixed mounting has round pin axle (3) between the both sides inner wall of delivery port (103) inner chamber, the top of return valve clack (4) is equipped with rotation hole (401), the check valve clack (4) is rotatably sleeved on the pin shaft (3) through a rotating hole (401), a torsion return spring (402) is further sleeved on the pin shaft (3), one end of the torsion return spring (402) is fixedly connected to the pin shaft (3), and the other end of the torsion return spring (402) is fixedly connected to the inner wall of the rotating hole (401);

the cross-section of valve gap (2) is T shape structure, the bottom center of valve gap (2) is equipped with adjustment tank (11), has screwed pipe (8) along vertical direction slidable mounting in adjustment tank (11), and the bottom fixedly connected with of screwed pipe (8) adjusts head (9), and adjusts head (9) and flow control mouth (102) looks adaptation, still has adjusting screw (7) through threaded connection in screwed pipe (8), and the top of adjusting screw (7) rotates the top and fixedly connected with adjusting knob (6) that extend to valve gap (2).

2. An adjustable water conservancy check valve according to claim 1, wherein the top inner wall of the adjustment channel (11) is fixedly sleeved with a seal bearing (16), and the adjustment screw (7) is sealingly and rotatably mounted on the seal bearing (16).

3. The regulating water conservancy check valve according to claim 1, wherein the threaded pipe (8) is provided with sliding blocks (10) on both sides, the adjusting groove (11) is provided with sliding grooves on both inner walls, and the sliding blocks (10) are slidably mounted in the sliding grooves.

4. The regulating water conservancy check valve according to claim 1, wherein a sealing ring (5) is fixedly arranged at the water outlet (103) on the left side of the check valve flap (4), and the sealing ring (5) is matched with the check valve flap (4).

5. The adjustable water conservancy check valve according to claim 1, wherein a flange connection piece (17) is fixedly arranged on each of the left side of the water inlet (101) and the right side of the water outlet (103).

6. The adjustable water conservancy check valve according to claim 1, wherein the top of the valve body (1) is symmetrically provided with a thread groove (15), the valve cover (2) is symmetrically provided with bolt holes (14), and the bolts (13) are respectively in threaded connection with the thread groove (15) and the bolt holes (14).

Images