CN212774726U

CN212774726U - Control valve with flow regulation function for plunger pump

Info

Publication number: CN212774726U
Application number: CN202021518898.9U
Authority: CN
Inventors: 李懿
Original assignee: Foshan Fly Hydraulic Equipment Co ltd
Current assignee: Foshan Fly Hydraulic Equipment Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-23
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a control valve with to plunger pump flow control, including the plunger pump, be equipped with first discharge gate on the plunger pump, the first cavity of fixedly connected with on the first discharge gate, be equipped with the spout on the first cavity, the slider is installed with plunger pump fixed connection's place to first cavity, the slider passes through spout and first cavity sliding connection, fixedly connected with third cavity on the first cavity, fixedly connected with second cavity on the third cavity, be connected with adjustment mechanism on the first cavity, be connected with control mechanism on the third cavity. The utility model discloses, through flow control's control valve, can carry out simultaneous control with flow outlet and flow import, consequently, the plunger pump can be better carry out the control to required hydraulic flow and adjust, avoid in the plunger pump use, because the damage of flow outlet governing valve, and the flow eruption that causes the waste of resource and the pollution of environment.

Description

Control valve with flow regulation function for plunger pump

Technical Field

The utility model relates to a plunger pump technical field especially relates to a control valve with to plunger pump flow control.

Background

The plunger pump is an important device in a hydraulic system, changes the volume of a sealed working cavity to absorb and press oil by means of reciprocating motion of a plunger in a cylinder body, has the characteristics of high rated pressure and compact structure, and is widely applied to occasions where high pressure, large flow and flow need to be adjusted, such as hydraulic machines, engineering machinery and ships.

The existing control valve for regulating the flow of the plunger pump is used for regulating and controlling the flow outlet, and the flow inlet and the flow outlet cannot be well regulated in the working process of the plunger pump, so that the regulation defect to a certain extent is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the flow inlet cannot be well adjusted in the prior art, and providing a control valve with flow adjustment for a plunger pump.

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

the utility model provides a control valve with to plunger pump flow control, includes the plunger pump, be equipped with first discharge gate on the plunger pump, the first cavity of fixedly connected with on the first discharge gate, be equipped with the spout on the first cavity, the slider is installed with plunger pump fixed connection's place to first cavity, the slider passes through spout and first cavity sliding connection, fixedly connected with third cavity on the first cavity, fixedly connected with second cavity on the third cavity, be connected with adjustment mechanism on the first cavity, be connected with control mechanism on the third cavity, be connected with slide mechanism on the second cavity.

Preferably, adjustment mechanism includes the first ejector pad with first cavity bottom sliding connection, the one end fixedly connected with push rod of first ejector pad, the one end fixedly connected with who first ejector pad was kept away from to the push rod promotes the handle, the bottom of first cavity is equipped with the second discharge gate, it is connected with first pivot pole to rotate on the first ejector pad, be connected through first pivot pole between first ejector pad and the slider.

Preferably, control mechanism includes the bottom fixedly connected with second dwang of the one end of keeping away from the push rod with first ejector pad, the inside wall fixedly connected with dead lever of second cavity, the central point that the both ends of dead lever passed the second dwang puts, and rotate between the second dwang to be connected, the bottom fixedly connected with second ejector pad of first ejector pad one end is kept away from to the second dwang, first ejector pad extends to the inside of third cavity through first cavity.

Preferably, the sliding mechanism comprises a feed inlet positioned above the second pushing block, and the second pushing block is in sliding connection with the second cavity.

Preferably, two limiting blocks are fixedly connected to the plunger pump, the limiting blocks limit the first cavity, a mounting door is fixedly connected to the third cavity, and a pull ring is fixedly connected to the mounting door.

Preferably, a baffle is fixedly connected to the inside of the first pushing block, and the baffle is close to the side surface of the first rotating rod.

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

1. the utility model discloses in, through flow control's control valve, can carry out simultaneous control with flow outlet and flow inlet, consequently, the plunger pump can be better carry out the control to required hydraulic flow and adjust, avoid in the plunger pump use, because flow outlet governing valve's damage, perhaps flow inlet is opened, the export is closed, cause the pressure in the plunger pump too big, and the damage of the flow eruption that causes and plunger pump causes, cause the waste of resource and the pollution of environment.

2. When the plunger pump works, the flow inlet and the flow outlet can be adjusted, the speed of the flow flowing into the plunger pump and the speed of the flow flowing out of the plunger pump can be realized, the flow quantity of the flow flowing into the plunger pump and the flow quantity of the flow flowing out of the plunger pump at each time can be controlled according to the occurrence of different conditions, the adjustment and the control of the flow quantity are realized, and the adjustment of the plunger pump is perfected.

Drawings

Fig. 1 is a schematic structural diagram of a control valve with flow regulation for a plunger pump according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

fig. 4 is an enlarged view of C in fig. 1.

In the figure: 1 plunger pump, 2 first discharge gate, 3 spout, 4 sliders, 5 first cavities, 6 push rods, 7 promotion handles, 8 first turning poles, 9 baffles, 10 first ejector pads, 11 second discharge gates, 12 fixed rods, 13 second turning poles, 14 second ejector pads, 15 installation doors, 16 pull rings, 17 feed inlets, 18 second cavities, 19 limiting blocks, 20 third cavities.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a control valve with flow regulation for a plunger pump comprises a plunger pump 1, a first discharge port 2 is arranged on the plunger pump 1, a liquid flow substance in the plunger pump 1 flows out through the first discharge port 2, a first cavity 5 is fixedly connected to the first discharge port 2, a chute 3 is arranged on the first cavity 5, a slider 4 is installed at a position where the first cavity 5 is fixedly connected with the plunger pump 1, the slider 4 is slidably connected with the first cavity 5 through the chute 3, a third cavity 20 is fixedly connected to the first cavity 5, a second cavity 18 is fixedly connected to the third cavity 20, and the first cavity 5, the third cavity 20 and the second cavity 18 are three components of the control valve.

The first cavity 5 is connected with an adjusting mechanism, the adjusting mechanism comprises a first push block 10 connected with the bottom end of the first cavity 5 in a sliding manner, one end of the first push block 10 is fixedly connected with a push rod 6, one end of the push rod 6 far away from the first push block 10 is fixedly connected with a push handle 7, the bottom of the first cavity 5 is provided with a second discharge hole 11, the first push block 10 is connected with a first rotating rod 8 in a rotating manner, the first push block 10 is connected with the slide block 4 through the first rotating rod 8, the third cavity 20 is connected with a control mechanism, the control mechanism comprises a second rotating rod 13 fixedly connected with the bottom of one end of the first push block 10 far away from the push rod 6, the inner side wall of the second cavity 18 is fixedly connected with a fixed rod 12, two ends of the fixed rod 12 penetrate through the central position of the second rotating rod 13 and are connected with the second rotating rod 13 in a rotating manner, the bottom of one end of the second rotating rod 13 far away, second dwang 13 sideslips on dead lever 12, reverse motion between first ejector pad 10 of control and the second ejector pad 14, first ejector pad 10 extends to the inside of third cavity 20 through first cavity 5, be connected with slide mechanism on the second cavity 18, slide mechanism is including the feed inlet 17 that is located second ejector pad 14 top, carry out hydraulic pressure in getting into plunger pump 1 through feed inlet 17, sliding connection between second ejector pad 14 and the second cavity 18, plunger pump 1 can be better controls the regulation to required hydraulic flow, avoid in plunger pump 1 use, because the damage of flow outlet governing valve, and the flow eruption that causes, cause the waste of resource and the pollution of environment.

Two stopper 19 of fixedly connected with on the plunger pump 1, two stopper 19 carry on spacingly to first cavity 5, fixedly connected with installation door 15 on the third cavity 20, fixedly connected with pull ring 16 on the installation door 15, the inside fixedly connected with baffle 9 of first ejector pad 10, baffle 9 is close to the side of first pivot pole 8.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

firstly, at the beginning, the control valve is installed on the plunger pump 1, the first cavity 5 is installed on the first discharge hole 2, the second cavity 18 is installed on the corresponding position of the feed hole 17, then, the pushing handle 7 is pushed, because the pushing handle 7 is fixedly connected with the push rod 6, the push rod 6 is fixedly connected with the first push block 10, the pushing handle 7 is pushed to drive the first push block 10 to move rightwards, the second discharge hole 11 at the bottom of the first cavity 5 is exposed, at this time, the first rotating rod 8 which is rotatably connected with the first push block 10 rotates on the first push block 10 in the process of moving the first push block 10, because the first rotating rod 8 is fixedly connected with the sliding block 4, the sliding block 4 can be driven to slide downwards on the sliding chute 3 when the first rotating rod 8 rotates, the hole on the side surface of the sliding block 4 is exposed in the first cavity 5, the extruded liquid from the first outlet 2 of the plunger pump 1 flows out through the bore and then out through the second outlet 11.

Meanwhile, in the process that the first push block 10 moves rightwards, the second rotating rod 13 is driven to swing on the fixed rod 12, due to the lever principle, the second push block 14 moves leftwards, the moving direction of the second push block is opposite to that of the first push block 10, the feeding hole 17 is opened, liquid materials enter the plunger pump 1 through the feeding hole 17 to be subjected to hydraulic pressure, the size of the exposed opening is adjusted by controlling the pushing distance, and therefore the speed of liquid flow materials is controlled and adjusted.

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

1. The utility model provides a control valve with adjust plunger pump flow, includes plunger pump (1), its characterized in that, be equipped with first discharge gate (2) on plunger pump (1), first cavity (5) of fixedly connected with are gone up in first discharge gate (2), be equipped with spout (3) on first cavity (5), slider (4) are installed with plunger pump (1) fixed connection's place in first cavity (5), slider (4) are through spout (3) and first cavity (5) sliding connection, fixedly connected with third cavity (20) on first cavity (5), fixedly connected with second cavity (18) on third cavity (20), be connected with adjustment mechanism on first cavity (5), be connected with control mechanism on third cavity (20), be connected with slide mechanism on second cavity (18).

2. The control valve with the function of regulating the flow of the plunger pump according to claim 1, wherein the regulating mechanism comprises a first push block (10) slidably connected with the bottom end of the first cavity (5), a push rod (6) is fixedly connected to one end of the first push block (10), a push handle (7) is fixedly connected to one end, away from the first push block (10), of the push rod (6), a second discharge hole (11) is formed in the bottom of the first cavity (5), a first rotating rod (8) is rotatably connected to the first push block (10), and the first push block (10) is connected with the sliding block (4) through the first rotating rod (8).

3. The control valve with the function of regulating the flow of the plunger pump as claimed in claim 2, wherein the control mechanism comprises a second rotating rod (13) fixedly connected with the bottom of one end of the first push block (10) far away from the push rod (6), a fixed rod (12) fixedly connected with the inner side wall of the second cavity (18), two ends of the fixed rod (12) penetrate through the central position of the second rotating rod (13) and are rotatably connected with the second rotating rod (13), a second push block (14) fixedly connected with the bottom of one end of the second push block (13) far away from the first push block (10) is arranged on the second rotating rod (13), and the first push block (10) extends to the inside of the third cavity (20) through the first cavity (5).

4. A control valve with flow regulation for a plunger pump according to claim 3, characterized in that the sliding mechanism comprises a feed opening (17) above the second push block (14), the second push block (14) being in sliding connection with the second cavity (18).

5. The control valve for regulating the flow of the plunger pump as recited in claim 1, characterized in that two limit blocks (19) are fixedly connected to the plunger pump (1), the first cavity (5) is limited by the two limit blocks (19), the third cavity (20) is fixedly connected with a mounting door (15), and the mounting door (15) is fixedly connected with a pull ring (16).

6. Control valve with flow regulation for a plunger pump according to claim 2, characterized in that a baffle (9) is fixedly connected to the inside of the first push block (10), the baffle (9) being close to the side of the first turning rod (8).