CN111692417B

CN111692417B - But sewage valve of accurate adjustment

Info

Publication number: CN111692417B
Application number: CN202010566326.6A
Authority: CN
Inventors: 不公告发明人
Original assignee: Xiangshui Gesiqi Technology Co ltd
Current assignee: Zhejiang Maxx Valve Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-11-19
Anticipated expiration: 2040-06-19
Also published as: CN111692417A

Abstract

The invention relates to the field of valves, in particular to a sewage valve capable of being precisely adjusted, which comprises a valve body, a water inlet pipe, an alarm structure, a control structure, a filtering structure, a replacing structure, a fixing structure and a sealing structure, wherein the water inlet pipe is arranged on the valve body; alarm structure is when carrying out alarm work, can also drive control structure in step and carry out work, work through control structure, can be timely when blowdown flow changes close the valve, conveniently change and maintain or clear up, control structure is when going on closing the valve body, can also drive the filtration structure in step and carry out work, setting through filtration structure, can enough carry out the interception to the large granule impurity in the sewage and filter, the filter equipment that can also be automatic will intercept impurity is pushed out from the valve body, thereby conveniently carry out the clearance of impurity or the change of filter equipment, and through the change structure of installing on filtration structure, can conveniently install the filtration structure and change, and is convenient and fast.

Description

But sewage valve of accurate adjustment

Technical Field

The invention relates to the field of valves, in particular to a sewage valve capable of being precisely adjusted.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valves are classified into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, and the like according to the material. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.

On the sewage pipes who discharges printing and dyeing sewage to sewage treatment pond, need install the blowdown valve on the sewage pipes for the break-make of control sewage, the inside of flowing into the sewage treatment pond along with sewage in order to prevent the large granule impurity in the sewage together causes the processing burden aggravation in sewage treatment pond, generally need intercept at the fixed filter screen of one end of valve, but because the filter screen directly exposes externally, probably cause the condition of damage, and inconvenient when the valve blocks up, the valve carries out self-closing.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a sewage valve capable of being precisely adjusted.

The technical scheme adopted by the invention for solving the technical problems is as follows: a sewage valve capable of being precisely adjusted comprises a valve body, a water inlet pipe, an alarm structure, a control structure, a filtering structure, a replacing structure, a fixing structure and a sealing structure, wherein the water inlet pipe which is fixedly connected with an external sewage drainage pipe is installed at one end of the valve body which is used for fixing and installing other parts, and the alarm structure which is used for alarming is installed on the valve body; the control structure for controlling the on-off of fluid in the valve body is arranged outside the valve body, and the filtering structure for filtering large-particle impurities is arranged in the valve body; the utility model discloses a filter structure, including inlet tube and outer water pipe, the inside of filtration sets up conveniently to filter equipment change the structure change the internally mounted of inlet tube is used for with the inlet tube is connected fixedly with outside water pipe fixed knot structure's inside sets up and is used for right inlet tube and outside blow off pipe seal structure.

Specifically, the alarm structure includes controller, alarm and flow sensor, flow sensor install in the inside lateral wall of valve body install the alarm on the outside lateral wall of valve body install the controller on the outside lateral wall of valve body, the controller respectively with flow sensor with alarm electric connection.

Specifically, the control structure comprises a telescopic hydraulic cylinder, a first rack, a protective sleeve, a first screw rod, a first gear, a limiting ring, a flow guide hole, a fixed seat and a valve core, the telescopic hydraulic cylinder is fixed on the outer side wall of the valve body, the telescopic hydraulic cylinder is electrically connected with the controller, the protective sleeve is fixed on the outer side wall of the valve body, the first rack is fixed at one end of the telescopic hydraulic cylinder, the first rack penetrates through the protective sleeve and is in sliding connection with the protective sleeve, the first gear is rotatably connected inside the protective sleeve and is meshed with the first rack, the first screw rod is in threaded connection with the first gear, the limiting ring is installed inside the valve body, the flow guide hole is formed in the limiting ring, the fixing seat is connected to the inner portion of the limiting ring in a sliding mode, the fixing seat is connected with the first screw in a rotating mode, one end, away from the first screw, of the fixing seat is glued to the valve core, and the valve core is connected with the limiting ring in a sliding mode.

Specifically, filtration includes second rack, second gear, third rack, connecting rod, installation cover and filter screen the one end of flexible pneumatic cylinder is fixed the second rack, just the second rack runs through the lag and with lag sliding connection the lag with the inside rotation of valve body is connected with the second gear, just the second rack with the second gear meshing the inside sliding connection of valve body has the third rack, just the third rack with the second gear meshing the one end of third rack is fixed the connecting rod, just the connecting rod with valve body sliding connection the inside sliding connection of valve body has the installation cover, just the installation cover with the connecting rod is fixed the internally mounted of installation cover the filter screen.

Specifically, it includes fixture block, fixed orifices, first spring, button and second spring to change the structure, fixture block sliding connection in the inside of installation cover be equipped with on the fixture block the fixed orifices the fixture block with the centre gripping is fixed between the installation cover first spring sliding connection is sheathe in to the installation has the button, just the button runs through the fixture block and with the fixture block is contradicted the button with the centre gripping is fixed between the installation cover the second spring.

Specifically, fixed knot constructs including fixed cover, second screw rod, bearing, splint, rubber pad and third gear, fixed cover is fixed in the inlet tube with the lag, first rack with the second rack all with fixed cover sliding connection the threaded connection has the second screw rod on the fixed cover the outside of second screw rod is fixed the bearing the outside of bearing is fixed splint, splint pass through the bearing with splint rotate to be connected, curved splint with inlet tube sliding connection splint deviate from the one end of second screw rod is fixed the rubber pad the outside threaded connection of second screw rod has the third gear, just the third gear with fixed cover rotates to be connected, the third gear still with first rack toothing.

Specifically, seal structure includes gas storage tank, piston, third spring, slider, air flue and sealing washer, the gas storage tank is located the inside of fixed cover the inside sliding connection of gas storage tank has the piston with the centre gripping is fixed between the fixed cover the third spring be fixed with on the inlet tube and be annular structure and inside hollow the sealing washer, just the gas storage tank passes through the air flue with the inside of sealing washer communicates with each other the piston deviates from the one end of third spring is fixed the slider, just the slider with the second rack is contradicted.

The invention has the beneficial effects that:

(1) the precisely adjustable sewage valve can know the sewage discharge condition in time according to the change of the sewage discharge flow through the arrangement of the alarm structure, the alarm structure can synchronously drive the control structure to work while alarming, the valve can be timely closed when the sewage discharge flow changes through the work of the control structure, the replacement maintenance or the cleaning is convenient, namely when the sewage discharge flow in the valve body is reduced, because the flow sensor fixed in the valve body is electrically connected with the controller fixed outside the valve body, the flow sensor can transmit signals to the controller, the controller can transmit the signals to the alarm electrically connected with the controller when receiving the signals, and the alarm can timely inform maintenance personnel to maintain in time when sending an alarm, and because controller and flexible pneumatic cylinder electric connection, when the controller control alarm sent the police dispatch newspaper, still can act on flexible pneumatic cylinder, flexible pneumatic cylinder just can drive first rack and slide this moment, because first rack is connected in the inside first gear engagement of lag with rotating, and there is first screw rod at the inside threaded connection of first gear, and because first screw rod and lag threaded connection, rotate with the fixing base of sliding connection in the inside of spacing ring and be connected, therefore, when first rack slides, just can drive first screw rod and rotate, first screw rod rotates and just can drive the case gliding of fixing on the fixing base, just can block up the guiding hole on the spacing ring, the valve body is in the cutout state this moment, just conveniently carry out the maintenance work of valve body this moment.

(2) The precisely adjustable sewage valve has the advantages that the control structure can synchronously drive the filtering structure to work when the valve body is closed, the filtering structure can intercept and filter large-particle impurities in sewage and can automatically push the filtering device intercepting the impurities out of the valve body, so that the impurities can be conveniently cleaned or the filtering device can be conveniently replaced, the filtering structure can be conveniently and quickly installed and replaced by the replacing structure arranged on the filtering structure, namely, the second rack is fixed at one end of the telescopic hydraulic cylinder and is meshed with the second gear rotationally connected with the valve body and the protecting sleeve, and the third rack slidably connected with the interior of the valve body is meshed with the second gear, so that a connecting rod fixed at one end of the third rack can be driven to slide when the telescopic hydraulic cylinder works, because the connecting rod is fixed with the mounting sleeve which is connected inside the valve body in a sliding way, and the filter screen is arranged inside the mounting sleeve, large granular impurities in sewage can be intercepted and filtered through the arrangement of the filter screen, the large granular impurities are prevented from directly entering the sewage purification tank along with the sewage, so that the work load of the sewage purification tank can be reduced, and because the mounting sleeve can be sent out of the valve body by the third rack when the inside of the valve body is cut off, the mounting sleeve completely slides out of the inside of the valve body, so that the cleaning of the filter screen and the cleaning of the impurities can be conveniently carried out, and because the inside of the mounting sleeve is connected with the clamping block in a sliding way, the sliding button is arranged in the fixed hole inside the clamping block, and one end of the button which is in contact with the clamping block is in a wedge-shaped structure, through the principle of the wedge-shaped block, namely when the filter screen needs to be replaced, only the button needs to be pressed, the clamping block which limits the filter screen can be jacked up by the button, the installation and the change of filter screen can be carried out this moment, and through the elastic force effect of first spring and second spring, the effect that can play the reseing is convenient for fix the filter screen once more, convenient and fast.

(3) The precisely adjustable sewage valve can conveniently and quickly realize the connection and fixation of the water inlet pipe and the sewage pipeline through the arrangement of the fixing structure, and the control structure can also act on the fixing structure when in work, thereby increasing the fixation between the water inlet pipe and the sewage pipeline when the valve body is closed, preventing the water inlet pipe and the sewage pipeline from falling off due to the overlarge pressure in the water inlet pipe, and the filtering structure can also act on the sealing structure when in work, the water inlet pipe and the sewage pipeline can be sealed through the work of the sealing structure, preventing the water inlet pipe and the sewage pipeline from leaking due to the overlarge pressure in the water inlet pipe, namely when the water inlet pipe and the sewage pipeline need to be connected and fixed, the water inlet pipe is firstly sleeved on the sewage pipeline, and then the second screw rod can be screwed, because second screw rod and fixed cover threaded connection, rotate with the splint of sliding connection in the inlet tube and be connected, therefore, when rotating the second screw rod, can realize the fixed connection of splint to the blow off pipe, and when flexible pneumatic cylinder drove the second rack and slide, because the second rack contradicts at the inside slider of gas receiver with sliding connection, the slider just can drive the inside that the piston advances the inside gas of gas receiver through the air flue extrusion sealing washer, the inflation of sealing washer this moment, just can play sealed effect, thereby can prevent to cause the condition that inlet tube and sewage pipes leaked owing to the inside pressure of inlet tube is too big, and can also play certain fixed action.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the overall structure of a preferred embodiment of a precisely adjustable waste valve according to the present invention;

FIG. 2 is a schematic structural diagram of the control structure shown in FIG. 1;

FIG. 3 is a schematic view of a connection structure of the valve body and the control structure shown in FIG. 1;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view showing a coupling structure of the water inlet pipe and the fixing structure shown in FIG. 1;

FIG. 6 is a schematic view showing a connection structure of the valve body and the water inlet pipe shown in FIG. 1;

fig. 7 is an enlarged view of the portion B shown in fig. 6.

In the figure: 1. a valve body, 2, a water inlet pipe, 3, an alarm structure, 31, a controller, 32, an alarm, 33, a flow sensor, 4, a control structure, 41, a telescopic hydraulic cylinder, 42, a first rack, 43, a protective sleeve, 44, a first screw, 45, a first gear, 46, a limit ring, 47, a diversion hole, 48, a fixed seat, 49, a valve core, 5, a filtering structure, 51, a second rack, 52, a second gear, 53, a third rack, 54, a connecting rod, 55, a mounting sleeve, 56, a filter screen, 6, a replacing structure, 61, a clamping block, 62, a fixed hole, 63, a first spring, 64, a button, 65, a second spring, 7, a fixing structure, 71, a fixed sleeve, 72, a second screw, 73, a bearing, 74, a clamping plate, 75, a rubber pad, 76, a third gear, 8, a sealing structure, 81, an air storage groove, 82, a piston, 83, a third spring, 84 and a sliding block, 85. air passage 86, sealing ring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-7, the precisely adjustable sewage valve of the present invention comprises a valve body 1, a water inlet pipe 2, an alarm structure 3, a control structure 4, a filtering structure 5, a replacing structure 6, a fixing structure 7 and a sealing structure 8, wherein the water inlet pipe 2 fixedly connected with an external sewage pipe is installed at one end of the valve body 1 for fixing and installing other components, and the alarm structure 3 for alarming is installed on the valve body 1; the control structure 4 for controlling the on-off of fluid in the valve body 1 is arranged outside the valve body 1, and the filtering structure 5 for filtering large-particle impurities is arranged in the valve body 1; the inside of filtration 5 sets up the convenience and changes filter equipment change structure 6 the internally mounted of inlet tube 2 be used for with inlet tube 2 is connected fixedly with outside water pipe fixed knot structure 7 the inside setting of fixed knot structure 7 is used for right inlet tube 2 and outside blow off pipe seal structure 8.

Specifically, the alarm structure 3 includes a controller 31, an alarm 32 and a flow sensor 33, the flow sensor 33 is installed on an inner side wall of the valve body 1, the alarm 32 is installed on an outer side wall of the valve body 1, the controller 31 is installed on the outer side wall of the valve body 1, the controller 31 is electrically connected to the flow sensor 33 and the alarm 32, respectively, when the discharge flow rate of the sewage inside the valve body 1 is reduced, since the flow sensor 33 fixed inside the valve body 1 is electrically connected to the controller 31 fixed outside the valve body 1, the flow sensor 33 can transmit a signal to the controller 31, at this time, the controller 31 can transmit a signal to the alarm 32 electrically connected to the controller 31 after receiving the signal, and the alarm 32 gives an alarm, the maintenance personnel can be informed timely to maintain timely.

Specifically, the control structure 4 includes a telescopic hydraulic cylinder 41, a first rack 42, a protecting sleeve 43, a first screw 44, a first gear 45, a limiting ring 46, a flow guide hole 47, a fixing seat 48 and a valve core 49, the telescopic hydraulic cylinder 41 is fixed on an outer side wall of the valve body 1, the telescopic hydraulic cylinder 41 is electrically connected to the controller 31, the protecting sleeve 43 is fixed on the outer side wall of the valve body 1, the first rack 42 is fixed on one end of the telescopic hydraulic cylinder 41, the first rack 42 penetrates through the protecting sleeve 43 and is slidably connected to the protecting sleeve 43, the first gear 45 is rotatably connected to the inside of the protecting sleeve 43, the first gear 45 is engaged with the first rack 42, the first screw 44 is threadedly connected to the inside of the first gear 45, and the first screw 44 is threadedly connected to the protecting sleeve 43, the limiting ring 46 is installed inside the valve body 1, the flow guide hole 47 is formed in the limiting ring 46, the fixing seat 48 is connected inside the limiting ring 46 in a sliding manner, the fixing seat 48 is connected with the first screw 44 in a rotating manner, the valve core 49 is glued at one end of the fixing seat 48, which is far away from the first screw 44, and the valve core 49 is connected with the limiting ring 46 in a sliding manner, because the controller 31 is electrically connected with the telescopic hydraulic cylinder 41, when the controller 31 controls the alarm 32 to give an alarm, the controller also acts on the telescopic hydraulic cylinder 41, at this time, the telescopic hydraulic cylinder 41 can drive the first rack 42 to slide, because the first rack 42 is meshed with the first gear 45 which is rotatably connected inside the protective sleeve 43, and the first screw 44 is connected with the inner thread of the first gear 45, and because the first screw 44 is in threaded connection with the protective sleeve 43 and is rotationally connected with the fixed seat 48 which is slidably connected inside the limit ring 46, when the first rack 42 slides, the first screw 44 can be driven to rotate, the first screw 44 can drive the valve core 49 fixed on the fixed seat 48 to slide downwards, the flow guide hole 47 on the limit ring 46 can be blocked, and at the moment, the valve body 1 is in a flow cut-off state, so that the maintenance work of the valve body 1 is facilitated.

Specifically, the filtering structure 5 includes a second rack 51, a second gear 52, a third rack 53, a connecting rod 54, a mounting sleeve 55 and a filtering net 56, the second rack 51 is fixed at one end of the telescopic hydraulic cylinder 41, the second rack 51 penetrates through the protecting sleeve 43 and is slidably connected with the protecting sleeve 43, the second gear 52 is rotatably connected inside the protecting sleeve 43 and the valve body 1, the second rack 51 is engaged with the second gear 52, the third rack 53 is slidably connected inside the valve body 1, the third rack 53 is engaged with the second gear 52, the connecting rod 54 is fixed at one end of the third rack 53, the connecting rod 54 is slidably connected with the valve body 1, the mounting sleeve 55 is slidably connected inside the valve body 1, and the mounting sleeve 55 is fixed with the connecting rod 54, the filter screen 56 is installed inside the installation sleeve 55, since the second rack 51 is fixed at one end of the telescopic hydraulic cylinder 41, the second rack 51 is meshed with the second gear 52 rotatably connected to the valve body 1 and the inside of the protection sleeve 43, and the third rack 53 slidably connected to the inside of the valve body 1 is also meshed with the second gear 52, that is, when the telescopic hydraulic cylinder 41 is operated, the connecting rod 54 fixed at one end of the third rack 53 can be driven to slide, since the connecting rod 54 is fixed with the installation sleeve 55 slidably connected to the inside of the valve body 1, and the filter screen 56 is installed inside the installation sleeve 55, large particles in sewage can be intercepted and filtered by the arrangement of the filter screen 56, and the large particles can be prevented from directly entering the sewage purification tank along with the sewage, therefore, the workload of the sewage purification tank can be reduced, and the installation sleeve 55 can be sent out of the valve body 1 by the third rack 53 when the inside of the valve body 1 is cut off, and the installation sleeve 55 completely slides out of the inside of the valve body 1, so that the filter screen 56 can be conveniently cleaned, and impurities can be conveniently cleaned.

Specifically, the replacing structure 6 includes a latch 61, a fixing hole 62, a first spring 63, a button 64 and a second spring 65, the latch 61 is slidably connected inside the mounting sleeve 55, the fixing hole 62 is formed on the latch 61, the first spring 63 is clamped and fixed between the latch 61 and the mounting sleeve 55, the button 64 is slidably connected on the mounting sleeve 55, the button 64 penetrates through the latch 61 and abuts against the latch 61, the second spring 65 is clamped and fixed between the button 64 and the mounting sleeve 55, since the latch 61 is slidably connected inside the mounting sleeve 55 and the button 64 slides in the fixing hole 62 inside the latch 61, and one end of the button 64 abutting against the latch 61 is a wedge-shaped structure, when the filter screen 56 needs to be replaced, only need press button 64, this moment button 64 just can be right filter screen 56 is spacing fixture block 61 jack-up, can go on this moment filter screen 56's installation and change, through first spring 63 with the effect of second spring 65's elasticity can play the effect that resets, is convenient for fix once more filter screen 56, convenient and fast.

Specifically, the fixing structure 7 includes a fixing sleeve 71, a second screw 72, a bearing 73, a clamping plate 74, a rubber pad 75 and a third gear 76, the fixing sleeve 71 is fixed to the water inlet pipe 2 and the protecting sleeve 43, the first rack 42 and the second rack 51 are both slidably connected to the fixing sleeve 71, the second screw 72 is threadedly connected to the fixing sleeve 71, the bearing 73 is fixed to the outside of the second screw 72, the clamping plate 74 is fixed to the outside of the bearing 73, the clamping plate 74 is rotatably connected to the clamping plate 74 through the bearing 73, the arc-shaped clamping plate 74 is slidably connected to the water inlet pipe 2, the rubber pad 75 is fixed to one end of the clamping plate 74 away from the second screw 72, the third gear 76 is threadedly connected to the outside of the second screw 72, and the third gear 76 is rotatably connected to the fixing sleeve 71, the third gear 76 still with the meshing of first rack 42, will when needs inlet tube 2 is connected fixedly with the blow off pipe, at first will inlet tube 2 cup joints on the sewage pipes, then can twist move second screw rod 72, because second screw rod 72 with fixed cover 71 threaded connection, with sliding connection in inlet tube 2 splint 74 rotate to be connected, consequently, rotating during the second screw rod 72, can realize splint 74 is to the fixed connection of blow off pipe, thereby increase when valve body 1 is closed the fixity between inlet tube 2 and the sewage pipes prevents because the too big condition that causes of the inside pressure of inlet tube 2 and sewage pipes drop.

Specifically, the sealing structure 8 includes an air storage groove 81, a piston 82, a third spring 83, a slider 84, an air passage 85 and a sealing ring 86, the air storage groove 81 is disposed inside the fixing sleeve 71, the piston 82 is slidably connected inside the air storage groove 81, the third spring 83 is clamped and fixed between the piston 82 and the fixing sleeve 71, the sealing ring 86 which is in an annular structure and hollow inside is fixed on the water inlet pipe 2, the air storage groove 81 is communicated with the inside of the sealing ring 86 through the air passage 85, the slider 84 is fixed at one end of the piston 82 which is far away from the third spring 83, the slider 84 is abutted against the second rack 51, when the telescopic hydraulic cylinder 41 drives the second rack 51 to slide, because the second rack 51 is abutted against the slider 84 slidably connected inside the air storage groove 81, the slider 84 can drive the piston 82 to extrude the gas in the gas storage tank 81 into the sealing ring 86 through the gas passage 85, and at the moment, the sealing ring 86 is inflated and expanded to achieve a sealing effect, so that the water leakage condition of the water inlet pipe 2 and a sewage pipeline caused by the overlarge pressure in the water inlet pipe 2 can be prevented, and a certain fixing effect can be achieved.

When the valve body 1 is closed, the water inlet pipe 2 is fixedly connected with a sewage discharge pipe, the water inlet pipe 2 is firstly sleeved on the sewage discharge pipe, then the second screw 72 can be screwed, and the second screw 72 is in threaded connection with the fixed sleeve 71 and is rotationally connected with the clamping plate 74 which is slidably connected with the water inlet pipe 2, so that the clamping plate 74 can be fixedly connected with the sewage discharge pipe when the second screw 72 is rotated, the fixity between the water inlet pipe 2 and the sewage discharge pipe is increased when the valve body 1 is closed, and the condition that the water inlet pipe 2 and the sewage discharge pipe fall off due to overlarge pressure in the water inlet pipe 2 is prevented; when the sewage discharge flow in the valve body 1 is reduced, the flow sensor 33 fixed in the valve body 1 is electrically connected with the controller 31 fixed outside the valve body 1, so that the flow sensor 33 can transmit a signal to the controller 31, the controller 31 can transmit the signal to the alarm 32 electrically connected with the controller 31 after receiving the signal, and the alarm 32 gives an alarm to inform a maintenance person of timely maintenance; since the controller 31 is electrically connected to the telescopic hydraulic cylinder 41, when the controller 31 controls the alarm 32 to issue an alarm and simultaneously acts on the telescopic hydraulic cylinder 41, the telescopic hydraulic cylinder 41 can drive the first rack 42 to slide, since the first rack 42 is engaged with the first gear 45 rotatably connected to the inside of the protecting cover 43, and the first screw 44 is threadedly connected to the inside of the first gear 45, and since the first screw 44 is threadedly connected to the protecting cover 43 and rotatably connected to the fixing seat 48 slidably connected to the inside of the position-limiting ring 46, when the first rack 42 slides, the first screw 44 can be driven to rotate, and the first screw 44 can rotate to drive the valve core 49 fixed on the fixing seat 48 to slide downwards, so as to block the flow-guiding hole 47 on the position-limiting ring 46, at the moment, the valve body 1 is in a cut-off state, and the maintenance work of the valve body 1 is convenient to carry out; since the second rack 51 is fixed at one end of the telescopic hydraulic cylinder 41, the second rack 51 is engaged with the second gear 52 rotatably connected to the valve body 1 and the inside of the protecting sleeve 43, and the third rack 53 slidably connected to the inside of the valve body 1 is also engaged with the second gear 52, that is, when the telescopic hydraulic cylinder 41 is operated, the connecting rod 54 fixed at one end of the third rack 53 can be driven to slide, since the connecting rod 54 is fixed with the mounting sleeve 55 slidably connected to the inside of the valve body 1, and the filter screen 56 is installed inside the mounting sleeve 55, large-particle impurities in the sewage can be intercepted and filtered by the arrangement of the filter screen 56, the large-particle impurities are prevented from directly entering the sewage purification tank along with the sewage, so that the work load of the sewage purification tank can be reduced, and since the flow of the inside of the valve body 1 is cut off, at this time, the mounting sleeve 55 is sent out of the valve body 1 by the third rack 53, and at this time, the mounting sleeve 55 completely slides out of the valve body 1, so that the filter screen 56 can be conveniently cleaned, and impurities can be conveniently cleaned; because the fixture block 61 is slidably connected inside the mounting sleeve 55, the button 64 is slidably arranged in the fixing hole 62 inside the fixture block 61, and the abutting end between the button 64 and the fixture block 61 is a wedge-shaped structure, according to the principle of the wedge-shaped block, that is, when the filter screen 56 needs to be replaced, only the button 64 needs to be pressed, the button 64 can jack up the fixture block 61 which limits the filter screen 56, and at the moment, the filter screen 56 can be mounted and replaced, and the reset effect can be achieved through the elastic force action of the first spring 63 and the second spring 65, so that the filter screen 56 can be conveniently and quickly fixed again; the flexible pneumatic cylinder 41 drives the second rack 51 is when sliding, because second rack 51 with sliding connection be in the gas receiver 81 is inside the slider 84 is contradicted, slider 84 just can drive the piston 82 will the inside gas of gas receiver 81 passes through air flue 85 extrudes into the inside of sealing washer 86, this moment sealing washer 86 aerifys the inflation, just can play sealed effect, thereby can prevent because the inside too big condition that causes of pressure of inlet tube 2 the condition that inlet tube 2 and sewage pipes leaked, and can also play certain fixed action.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a but sewage valve of fine adjustment which characterized in that: the water inlet valve comprises a valve body (1), a water inlet pipe (2), an alarm structure (3), a control structure (4), a filtering structure (5), a replacing structure (6), a fixing structure (7) and a sealing structure (8), wherein the water inlet pipe (2) which is fixedly connected with an external sewage drainage pipe is installed at one end of the valve body (1) which is used for fixing and installing other parts, and the alarm structure (3) which is used for alarming is installed on the valve body (1); the control structure (4) for controlling the on-off of fluid in the valve body (1) is arranged outside the valve body (1), and the filtering structure (5) for filtering large-particle impurities is arranged in the valve body (1); the replacement structure (6) which is convenient for replacing the filtering device is arranged in the filtering structure (5), the fixing structure (7) which is used for connecting and fixing the water inlet pipe (2) and an external water pipe is arranged in the water inlet pipe (2), and the sealing structure (8) which is used for sealing the water inlet pipe (2) and an external sewage discharge pipe is arranged in the fixing structure (7);

the alarm structure (3) comprises a controller (31), an alarm (32) and a flow sensor (33), the flow sensor (33) is mounted on the inner side wall of the valve body (1), the alarm (32) is mounted on the outer side wall of the valve body (1), the controller (31) is mounted on the outer side wall of the valve body (1), and the controller (31) is electrically connected with the flow sensor (33) and the alarm (32) respectively;

the control structure (4) comprises a telescopic hydraulic cylinder (41), a first rack (42), a protective sleeve (43), a first screw rod (44), a first gear (45), a limiting ring (46), a flow guide hole (47), a fixed seat (48) and a valve core (49), the telescopic hydraulic cylinder (41) is fixed on the outer side wall of the valve body (1), the telescopic hydraulic cylinder (41) is electrically connected with the controller (31), the protective sleeve (43) is fixed on the outer side wall of the valve body (1), the first rack (42) is fixed at one end of the telescopic hydraulic cylinder (41), the first rack (42) penetrates through the protective sleeve (43) and is in sliding connection with the protective sleeve (43), the first gear (45) is rotatably connected inside the protective sleeve (43), and the first gear (45) is meshed with the first rack (42), the first screw (44) is connected to the inner thread of the first gear (45), the first screw (44) is in threaded connection with the protective sleeve (43), the limiting ring (46) is installed inside the valve body (1), the flow guide hole (47) is formed in the limiting ring (46), the fixing seat (48) is connected to the inner portion of the limiting ring (46) in a sliding mode, the fixing seat (48) is in rotating connection with the first screw (44), the valve core (49) is glued to one end, away from the first screw (44), of the fixing seat (48), and the valve core (49) is in sliding connection with the limiting ring (46);

the filtering structure (5) comprises a second rack (51), a second gear (52), a third rack (53), a connecting rod (54), a mounting sleeve (55) and a filtering net (56), the second rack (51) is fixed at one end of the telescopic hydraulic cylinder (41), the second rack (51) penetrates through the protective sleeve (43) and is in sliding connection with the protective sleeve (43), the second gear (52) is rotatably connected inside the protective sleeve (43) and the valve body (1), the second rack (51) is meshed with the second gear (52), the third rack (53) is in sliding connection inside the valve body (1), the third rack (53) is meshed with the second gear (52), the connecting rod (54) is fixed at one end of the third rack (53), and the connecting rod (54) is in sliding connection with the valve body (1), the mounting sleeve (55) is connected to the inside of the valve body (1) in a sliding mode, the mounting sleeve (55) is fixed to the connecting rod (54), and the filter screen (56) is mounted inside the mounting sleeve (55);

the replacing structure (6) comprises a clamping block (61), a fixing hole (62), a first spring (63), a button (64) and a second spring (65), the clamping block (61) is connected to the inside of the mounting sleeve (55) in a sliding mode, the fixing hole (62) is formed in the clamping block (61), the first spring (63) is clamped and fixed between the clamping block (61) and the mounting sleeve (55), the button (64) is connected to the mounting sleeve (55) in a sliding mode, the button (64) penetrates through the clamping block (61) and abuts against the clamping block (61), and the second spring (65) is clamped and fixed between the button (64) and the mounting sleeve (55);

the fixing structure (7) comprises a fixing sleeve (71), a second screw rod (72), a bearing (73), a clamping plate (74), a rubber pad (75) and a third gear (76), the fixing sleeve (71) is fixed on the water inlet pipe (2) and the protecting sleeve (43), the first rack (42) and the second rack (51) are both in sliding connection with the fixing sleeve (71), the second screw rod (72) is in threaded connection with the fixing sleeve (71), the bearing (73) is fixed outside the second screw rod (72), the clamping plate (74) is fixed outside the bearing (73), the clamping plate (74) is rotatably connected with the clamping plate (74) through the bearing (73), the arc-shaped clamping plate (74) is in sliding connection with the water inlet pipe (2), and the rubber pad (75) is fixed at one end of the clamping plate (74) departing from the second screw rod (72), the third gear (76) is connected with the external thread of the second screw (72), the third gear (76) is rotationally connected with the fixed sleeve (71), and the third gear (76) is also meshed with the first rack (42);

seal structure (8) include gas receiver (81), piston (82), third spring (83), slider (84), air flue (85) and sealing washer (86), gas receiver (81) are located the inside of fixed cover (71) the inside sliding connection of gas receiver (81) has piston (82) with the centre gripping is fixed between fixed cover (71) third spring (83) be fixed with on inlet tube (2) and be annular structure and inside hollow sealing washer (86), just gas receiver (81) pass through air flue (85) with the inside of sealing washer (86) communicates with each other piston (82) deviate from the one end of third spring (83) is fixed slider (84), just slider (84) with second rack (51) contradicts.