CN218325116U

CN218325116U - High leakproofness ration valve

Info

Publication number: CN218325116U
Application number: CN202222618324.4U
Authority: CN
Inventors: 赵多光; 王全
Original assignee: Dandong Shanhe Technology Co ltd
Current assignee: Dandong Shanhe Technology Co ltd
Priority date: 2022-10-06
Filing date: 2022-10-06
Publication date: 2023-01-17
Anticipated expiration: 2032-10-06

Abstract

The utility model discloses a high leakproofness quantitative valve belongs to quantitative valve technical field, which comprises a valve body, the inside of valve body is provided with the spacing groove, the inner chamber of valve body is provided with the drive groove, the inner chamber of valve body is provided with the suction tank, the inner chamber fixed mounting of spacing groove has double-shaft motor, double-shaft motor's both ends fixedly connected with lead screw respectively, the spout has been seted up in the front of valve body, the front of valve body is provided with the scale, one the contact plate has been cup jointed to the outside screw thread of lead screw. The utility model discloses in, the elasticity of spring promotes piston piece extrusion pull tube and the air of branch gas tank inner chamber all the time, and the pressurized air of branch gas tank inner chamber gets into the inner chamber of annular shifting chute from the air duct and promotes rubber annular stopper and outwards remove, makes rubber annular stopper contact with the inner wall in imbibition groove all the time, guarantees the leakproofness between piston mechanism and the imbibition groove, has improved this high leakproofness ration valve's operating mass with rated load.

Description

High leakproofness ration valve

Technical Field

The utility model relates to a quantitative valve technical field, more specifically say, relate to a high leakproofness quantitative valve.

Background

The quantitative valve is a novel device for providing timed, quantitative and accurate liquid filling for factory machinery equipment, and has the characteristics of high integration level, high automation degree, low labor intensity, stable performance, convenient filling and the like.

Through retrieval, the utility model patent with the publication number of CN216549588U discloses a high-sealing proportional valve, which comprises a valve body, a water conveying tank and a movable tank, wherein a connecting plate is installed on one side of the valve body, a water inlet hole is formed in the connecting plate, the water conveying tank communicated with the water inlet hole is formed in the valve body, the movable tank is formed beside the water conveying tank, a stirring wheel is arranged in the water conveying tank, a supporting rod is installed on the stirring wheel and extends to the interior of the movable tank, a movable rod is arranged in the movable tank, a third gear and a fourth gear are respectively arranged on the movable rod, a second gear matched with the third gear is arranged on the supporting rod, a rotary disc is arranged on the valve body, the bottom of the rotary disc is connected with the rotary rod, and a first gear matched with the fourth gear is arranged on the outer wall of the rotary rod; the high-sealing proportional valve is reasonable in structural design, simple and convenient to use and good in practicability. However, the above patents have the following disadvantages: the quantitative liquid quantity is not convenient to adjust, and therefore a quantitative valve with high sealing performance is provided.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a high leakproofness ration valve.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a high leakproofness ration valve, includes the valve body, the inside of valve body is provided with the spacing groove, the inner chamber of valve body is provided with the driving groove, the inner chamber of valve body is provided with the suction groove, the inner chamber fixed mounting of spacing groove has the biax motor, the both ends of biax motor are fixedly connected with lead screw respectively, the spout has been seted up in the front of valve body, the front of valve body is provided with the scale, one the contact plate has been cup jointed to the outside screw thread of lead screw, the inner chamber sliding connection of spacing groove has the mounting panel, the one end of mounting panel and the inner wall of spacing groove one end are provided with contact pick-up respectively, another the outside screw thread of lead screw has cup jointed the push-and-pull board, the bottom of push-pull board is provided with piston mechanism, piston mechanism's one end activity is cup jointed to the inner chamber of suction groove, the inner wall of driving groove is provided with the controller.

As a preferred scheme of the utility model, piston mechanism is including the fixed pulling tube that cup joints on the push-and-pull board, the one end activity of pulling tube cup joints inner chamber and the fixedly connected with piston plate to imbibition groove, annular shifting chute has been seted up to the side of piston plate, the inner chamber cover of annular shifting chute is equipped with rubber annular stopper, the outside of rubber annular stopper extends to the outside of piston plate and laminates mutually with the inner wall in imbibition groove, the branch gas tank has been seted up to the inside of piston plate, the branch gas tank is linked together with the inner chamber of pulling tube, a plurality of air ducts have been seted up to the inside of piston plate, the inner chamber in air duct intercommunication annular shifting chute and branch gas tank, the screw stopper is installed to the other end screw thread of pulling tube, the one end fixedly connected with spring of screw stopper, the one end fixedly connected with piston piece of spring, the side of piston piece laminates mutually with the inner wall of pulling tube.

As a preferred scheme of the utility model, the one end fixed mounting of valve body has first check valve, the one end fixed mounting of valve body has the second check valve, the one end of first check valve extends to the inner chamber in suction tank, the one end of second check valve extends to the inner chamber in suction tank.

As an optimal scheme of the utility model, the inner wall of spacing groove is laminated with the side of contact plate mutually.

As a preferred scheme of the utility model, the side of push-and-pull board is laminated with the inner wall in drive groove mutually.

As a preferred scheme of the utility model, the side fixedly connected with slider of mounting panel, the inner chamber that the one end of slider runs through the spout extends to the front and the threaded mounting of valve body has the extrusion screw.

Compared with the prior art, the utility model has the advantages of:

(1) The utility model discloses in, through the biax motor, the lead screw, the contact plate, the mounting panel, contact sensor, the slider, the extrusion screw, the cooperation of scale and controller is used, it is rotatory to drive the lead screw through the biax motor, it removes to drive the contact plate through the cooperation between lead screw and the contact plate, contact sensor and the contact sensor of spacing inslot chamber one end on contact plate and mounting panel control biax motor adjustment direction of rotation respectively when contacting, thereby realize drawing the inner chamber of imbibition groove into liquid, can adjust the liquid volume that imbibition inslot chamber was inhaled to piston mechanism according to the mounting panel in the position of spacing inslot chamber in addition, the practicality is good.

(2) The utility model discloses in, the elasticity of spring promotes piston piece extrusion pull tube and the air of branch gas tank inner chamber all the time, and the pressurized air of branch gas tank inner chamber gets into the inner chamber of annular shifting chute from the air duct and promotes rubber annular stopper and outwards remove for rubber annular stopper contacts with the inner wall in imbibition groove all the time, guarantees the leakproofness between piston mechanism and the imbibition groove, has improved this high leakproofness ration valve's operating mass with rated load.

Drawings

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

fig. 2 is a schematic sectional view of the valve body of the present invention;

FIG. 3 is a schematic view of the interior of the liquid suction tank of the present invention;

fig. 4 is a schematic structural diagram of the piston mechanism of the present invention;

fig. 5 is a schematic cross-sectional view of the piston mechanism of the present invention;

fig. 6 is a schematic structural view of the mounting plate of the present invention;

fig. 7 is an enlarged schematic view of a portion a in fig. 5 according to the present invention.

The numbering in the figures illustrates:

1. a valve body; 2. a limiting groove; 3. a drive slot; 4. a liquid suction tank; 5. a dual-axis motor; 6. a screw rod; 7. a push-pull plate; 8. a contact plate; 9. a chute; 10. mounting a plate; 11. a contact sensor; 12. a slider; 13. extruding the screw; 14. a graduated scale; 15. a first check valve; 16. a second one-way valve; 17. a controller; 18. a piston mechanism; 19. pulling a moving pipe; 20. a piston plate; 21. a threaded plug; 22. a spring; 23. a piston block; 24. a gas distribution tank; 25. a gas-guide tube; 26. a rubber annular plug; 27. an annular moving groove.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment is as follows:

referring to fig. 1-7, a high-sealing quantitative valve includes a valve body 1, a limiting groove 2 is disposed inside the valve body 1, a driving groove 3 is disposed in an inner cavity of the valve body 1, a liquid suction groove 4 is disposed in the inner cavity of the valve body 1, a double-shaft motor 5 is fixedly mounted in the inner cavity of the limiting groove 2, lead screws 6 are fixedly connected to two ends of the double-shaft motor 5 respectively, a sliding groove 9 is disposed on a front surface of the valve body 1, a scale 14 is disposed on the front surface of the valve body 1, a contact plate 8 is sleeved on an outer thread of one lead screw 6, an inner cavity of the limiting groove 2 is slidably connected to a mounting plate 10, contact sensors 11 are disposed on one end of the mounting plate 10 and an inner wall of one end of the limiting groove 2 respectively, a push-pull plate 7 is sleeved on an outer thread of the other lead screw 6, a piston mechanism 18 is disposed at a bottom end of the push-pull plate 7, one end of the piston mechanism 18 is movably sleeved to the inner cavity of the liquid suction groove 4, and a controller 17 is disposed on an inner wall of the driving groove 3.

Specifically, referring to fig. 4, 5 and 7, the piston mechanism 18 includes a pulling tube 19 fixedly sleeved on the pushing and pulling plate 7, one end of the pulling tube 19 is movably sleeved to an inner cavity of the liquid suction groove 4 and is fixedly connected with a piston plate 20, an annular moving groove 27 is formed in a side surface of the piston plate 20, an inner cavity of the annular moving groove 27 is sleeved with a rubber annular plug 26, an outer side of the rubber annular plug 26 extends to an outer portion of the piston plate 20 and is attached to an inner wall of the liquid suction groove 4, a gas distribution groove 24 is formed in the piston plate 20, the gas distribution groove 24 is communicated with the inner cavity of the pulling tube 19, a plurality of gas guide tubes 25 are formed in the piston plate 20, the gas guide tubes 25 are communicated with the inner cavities of the annular moving groove 27 and the gas distribution groove 24, a threaded plug 21 is installed on a thread of the other end of the pulling tube 19, a spring 22 is fixedly connected to one end of the threaded plug 21, a piston block 23 is fixedly connected to one end of the spring 22, and a side surface of the piston block 23 is attached to the inner wall of the pulling tube 19.

In this embodiment, the rubber annular plug 26 is made of a soft elastic material, and can move to fit with the inner wall of the liquid suction groove 4 after the outer side of the rubber annular plug 26 is worn, and the spring 22 is in a compressed state when being located in the inner cavity of the pull tube 19, so that the rubber annular plug 26 is worn and then pushes the air in the inner cavities of the pull tube 19 and the air distribution groove 24 to extrude the rubber annular plug 26 by using the elastic force of the spring 22, and the tail end of the rubber annular plug 26 is in sealed sliding connection with the inner cavity of the annular moving groove 27.

Specifically, referring to fig. 2, a first check valve 15 is fixedly installed at one end of the valve body 1, a second check valve 16 is fixedly installed at one end of the valve body 1, one end of the first check valve 15 extends to the inner cavity of the liquid suction groove 4, and one end of the second check valve 16 extends to the inner cavity of the liquid suction groove 4.

In this embodiment, the first check valve 15 is used to introduce liquid into the cavity of the liquid suction tank 4, and the second check valve 16 is used to discharge liquid from the cavity of the liquid suction tank 4.

Specifically, referring to fig. 2, the inner wall of the limiting groove 2 is attached to the side surface of the contact plate 8.

In this embodiment, the contact plate 8 is limited by the inner wall of the limiting groove 2, so that the contact plate 8 can only move along the axial direction of the screw rod 6.

Specifically, referring to fig. 2, the side surface of the push-pull plate 7 is attached to the inner wall of the driving groove 3.

In this embodiment, the inner wall of the driving groove 3 is used to limit the push-pull plate 7, so that the push-pull plate 7 can only move along the axial direction of the screw rod 6.

Specifically, referring to fig. 1 and 6, a sliding block 12 is fixedly connected to a side surface of the mounting plate 10, one end of the sliding block 12 extends to the front surface of the valve body 1 through an inner cavity of the sliding groove 9, and an extrusion screw 13 is threadedly mounted on the sliding block.

In the present embodiment, the front surface of the valve body 1 is pressed by the pressing screw 13, and the position of the mounting plate 10 is fixed.

The working principle is as follows: when the double-shaft motor 5 is started to drive the two screw rods 6 to rotate, the pulling tube 19 is driven to move by the matching between one screw rod 6 and the pushing and pulling plate 7, the piston plate 20 and the rubber annular plug 26 are driven to move by the pulling tube 19, external liquid is led into the inner cavity of the liquid absorption tank 4 from the first one-way valve 15 by the movement of the piston plate 20 and the rubber annular plug 26, the contact plate 8 is driven to move by the matching between the other screw rod 6 and the contact plate 8, the double-shaft motor 5 is controlled to rotate reversely by the controller 17 when the contact plate 8 is contacted with the contact sensor 11, at the moment, the two screw rods 6 rotate reversely, the pushing and pulling tube 19, the piston plate 20 and the rubber annular plug 26 are driven to move reversely by the pushing and pulling plate 7, the liquid in the inner cavity of the liquid absorption tank 4 is discharged from the second one-way valve 16 by the piston plate 20 and the rubber annular plug 26, the contact plate 8 moves reversely along the axial direction of the screw rod 6, at the moment, when the contact plate 8 is contacted with the contact sensor 11 on the inner wall of the limiting tank 2, the double-shaft controller 17 controls the motor 5 to rotate reversely again, so that the inner cavity of the liquid absorption tank 4 sucks the liquid again;

in addition, the fixing of the mounting plate 10 and the sliding block 12 is released by rotating the pressing screw 13, so that the positions of the mounting plate 10 and the contact sensor 11 are slid, the position of the contact plate 8 in contact with the contact sensor 11 on the mounting plate 10 is changed, the moving distance of the piston plate 20 and the rubber annular plug 26 in the cavity of the liquid suction groove 4 is changed, and the quantitative amount of the valve is changed;

in addition, the rubber annular plug 26 can be worn when the inner cavity of the liquid suction groove 4 slides, the elastic force of the spring 22 always pushes the piston block 23 to extrude the air in the inner cavities of the pull tube 19 and the air distribution groove 24, and the pressurized air in the inner cavity of the air distribution groove 24 enters the inner cavity of the annular moving groove 27 from the air guide tube 25 to push the rubber annular plug 26 to move outwards, so that the rubber annular plug 26 is always in contact with the inner wall of the liquid suction groove 4.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides a high leakproofness ration valve, includes valve body (1), its characterized in that: the inside of valve body (1) is provided with spacing groove (2), the inner chamber of valve body (1) is provided with drive groove (3), the inner chamber of valve body (1) is provided with imbibition groove (4), the inner chamber fixed mounting of spacing groove (2) has double-shaft motor (5), the both ends of double-shaft motor (5) are fixedly connected with lead screw (6) respectively, spout (9) have been seted up in the front of valve body (1), the front of valve body (1) is provided with scale (14), one the outside screw thread of lead screw (6) has cup jointed contact plate (8), the inner chamber sliding connection of spacing groove (2) has mounting panel (10), the inner wall of the one end of mounting panel (10) and spacing groove (2) one end is provided with contact sensor (11) respectively, another the outside screw thread of lead screw (6) has cup jointed push-pull plate (7), the bottom of push-pull plate (7) is provided with piston mechanism (18), the one end of piston mechanism (18) is cup jointed to the inner chamber of imbibition groove (4) movably, the inner wall of drive groove (3) is provided with controller (17).

2. A high-tightness metering valve according to claim 1, characterized in that: piston mechanism (18) including fixed cup joint pull tube (19) on push-and-pull board (7), the one end activity of pull tube (19) is cup jointed to the inner chamber and the fixedly connected with piston board (20) of imbibition groove (4), annular shifting groove (27) have been seted up to the side of piston board (20), the inner chamber cover of annular shifting groove (27) is equipped with rubber annular stopper (26), the outside of rubber annular stopper (26) extends to the outside of piston board (20) and laminates with the inner wall in imbibition groove (4) mutually, branch gas tank (24) have been seted up to the inside of piston board (20), branch gas tank (24) are linked together with the inner chamber of pull tube (19), a plurality of air duct (25) have been seted up to the inside of piston board (20), the inner chamber of air duct (25) intercommunication annular shifting groove (27) and branch gas groove (24), screw plug (21) have been installed to the other end screw thread of pull tube (19), the one end fixedly connected with spring (22) of screw plug (21), the one end fixedly connected with piston block (22) of spring (22), the one end fixedly connected with piston block (23), the inner wall of piston block (23) and the side of piston block (19) laminate mutually.

3. A high-tightness metering valve according to claim 1, characterized in that: one end fixed mounting of valve body (1) has first check valve (15), the one end fixed mounting of valve body (1) has second check valve (16), the one end of first check valve (15) extends to the inner chamber in suction tank (4), the one end of second check valve (16) extends to the inner chamber in suction tank (4).

4. A high-tightness metering valve according to claim 1, characterized in that: the inner wall of the limiting groove (2) is attached to the side face of the contact plate (8).

5. The high-tightness metering valve according to claim 1, wherein: the side surface of the push-pull plate (7) is attached to the inner wall of the driving groove (3).

6. A high-tightness metering valve according to claim 1, characterized in that: the side fixedly connected with slider (12) of mounting panel (10), extrusion screw (13) are installed to the front and the screw thread that the inner chamber that spout (9) was run through to the one end of slider (12) extends to valve body (1).