CN216812041U

CN216812041U - Vertical piston pump device

Info

Publication number: CN216812041U
Application number: CN202123073012.1U
Authority: CN
Inventors: 张金祥; 朱涵庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-06-24
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a vertical piston pump device, which comprises a shell, wherein a piston assembly and a valve body assembly are arranged in the shell; the piston assembly comprises a piston, a piston cylinder and a driving piece, the piston is movably matched with the piston cylinder, and the driving piece is used for driving the piston to reciprocate in the piston cylinder; the valve body assembly is used for controlling the piston cylinder to be communicated with the liquid inlet pipe or the liquid outlet pipe. The utility model has high automation degree and simple structure.

Description

Vertical piston pump device

Technical Field

The utility model relates to the technical field of piston pumps, in particular to a vertical piston pump device.

Background

In the prior art, a piston pump reciprocates by a piston, so that the working volume of a pump cavity is changed periodically to suck and discharge liquid, the power of the piston comes from a motor, and a motor shaft of the motor rotates to drive a gear set in a gear box to operate and finally drive the piston to reciprocate to realize the operation of the piston pump.

The existing piston pump has low automation degree and complex structure.

Disclosure of Invention

The utility model aims to solve the problems that: the vertical piston pump device is high in automation degree and simple in structure.

The technical scheme provided by the utility model for solving the problems is as follows: a vertical piston pump device comprises a shell, wherein a piston assembly and a valve body assembly are arranged in the shell;

the piston assembly comprises a piston, a piston cylinder and a driving piece, the piston is movably matched with the piston cylinder, and the driving piece is used for driving the piston to reciprocate in the piston cylinder;

the valve body assembly is used for controlling the piston cylinder to be communicated with a liquid inlet pipe joint or a liquid outlet pipe joint.

Preferably, the driving part comprises a first driving motor, a push rod and a lead screw, an axial threaded hole is formed in the push rod, the lead screw is matched with the threaded hole, and the first driving motor is used for driving the lead screw to rotate in the threaded hole.

Preferably, the driving part further comprises a vertical seat, a hole cavity which is matched with the push rod in a moving mode is formed in the vertical seat, a guide limiting rod is arranged on the push rod, and a guide limiting groove which is matched with the guide limiting rod is formed in the vertical seat.

Preferably, the output end of the first driving motor is provided with a first synchronizing wheel, the lower end of the screw rod is provided with a second synchronizing wheel, and the first synchronizing wheel and the second synchronizing wheel are in synchronous belt transmission.

Preferably, the piston assembly comprises a valve body, a valve core and a second driving motor, the liquid inlet pipe joint and the liquid outlet pipe joint are arranged on the valve body, a containing hole matched with the valve core in a rotating mode is formed in the valve body, the liquid inlet pipe joint and the liquid outlet pipe joint are communicated with the containing hole, a through hole communicated with the piston cylinder is formed in the valve core, and the second driving motor is used for driving the valve core to rotate.

Preferably, the output end of the driving motor II is provided with a first transmission gear, and the upper end of the valve core is provided with a second transmission gear which is in meshing transmission with the first transmission gear.

Preferably, the valve core is in a shape of a circular truncated cone at the lower end of an upper cylinder, the accommodating hole is a circular truncated cone-shaped hole, and the circular truncated cone-shaped part at the lower end of the valve core and the circular truncated cone-shaped hole are matched to rotate through a conical surface.

Compared with the prior art, the utility model has the advantages that: according to the utility model, by arranging the piston assembly and the valve body assembly, automatic liquid pumping and discharging can be realized, and the automation degree is high.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.

FIG. 1 is an overall cross-sectional view of the present invention;

fig. 2 is a schematic perspective view of the present invention with the housing removed.

The attached drawings are marked as follows: 1. the device comprises a shell, 2, a second driving motor, 3, a first driving motor, 4, a first synchronous wheel, 5, a synchronous belt, 6, a lead screw, 7, a second synchronous wheel, 8, a guide limiting rod, 9, a guide limiting groove, 10, a vertical seat, 11, a push rod, 12, a piston, 13, a piston cylinder, 14, a liquid inlet pipe joint, 15, a valve core, 16, a second driving gear, 17, a through hole, 18, a first driving gear, 19, a liquid outlet pipe joint, 20 and a valve body.

Detailed Description

The embodiments of the present invention will be described in detail with reference to the accompanying drawings and examples, so that how to implement the technical means for solving the technical problems and achieving the technical effects of the present invention can be fully understood and implemented.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does 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 without limiting the specific scope of protection of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the utility model, "a number" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

Detailed description of the utility modelas shown in fig. 1-2, a vertical piston pump device comprises a housing 1, a piston assembly and a valve body assembly are arranged in the housing 1;

the piston assembly comprises a piston 12, a piston cylinder 13 and a driving part, the piston 12 is movably matched with the piston cylinder 13, and the driving part is used for driving the piston 12 to reciprocate in the piston cylinder 13;

the valve body assembly is used for controlling the piston cylinder 13 to be communicated with the liquid inlet pipe 14 or the liquid outlet pipe 19.

As another embodiment of the utility model, the driving member includes a first driving motor 3, a push rod 11 and a lead screw 6, the push rod 11 is provided with an axial threaded hole, the lead screw 6 is matched with the threaded hole, and the first driving motor 3 is used for driving the lead screw 6 to rotate in the threaded hole.

Furthermore, the driving part further comprises a vertical seat 10, a hole cavity which is matched with the push rod 11 in a moving mode is formed in the vertical seat 10, a guide limiting rod 8 is arranged on the push rod 11, and a guide limiting groove 9 which is matched with the guide limiting rod 8 is formed in the vertical seat 10. The cooperation through direction gag lever post and direction spacing groove prevents on the one hand that the push rod from following the lead screw and rotating, and on the other hand makes the push rod move more steadily, prevents the push rod off normal.

Furthermore, the output end of the first driving motor 3 is provided with a first synchronizing wheel 4, the lower end of the lead screw 6 is provided with a second synchronizing wheel 7, and the first synchronizing wheel 4 and the second synchronizing wheel 7 are driven by a synchronous belt 5.

As another embodiment of the utility model, the piston assembly includes a valve body 20, a valve core 15 and a second driving motor 2, the liquid inlet pipe 14 and the liquid outlet pipe 19 are both disposed on the valve body 20, the valve body 20 is provided with a receiving hole rotatably matched with the valve core 15, the liquid inlet pipe 14 and the liquid outlet pipe 19 are both communicated with the receiving hole, the valve core 15 is provided with a through hole 17 communicated with the piston cylinder 13, and the second driving motor is used for driving the valve core 15 to rotate.

It should be noted that, the through-hole is the L type hole, and the vertical section of through-hole communicates with the piston cylinder promptly, and horizontal section can be communicated with feed liquor pipe or drain pipe through rotating.

Further, a first transmission gear 18 is arranged at the output end of the second driving motor 2, and a second transmission gear 16 which is in meshing transmission with the first transmission gear 18 is arranged at the upper end of the valve core 15.

Furthermore, the valve core is in a shape of a circular truncated cone at the lower end of the upper cylinder, the accommodating hole is a circular truncated cone-shaped hole, and the circular truncated cone-shaped part at the lower end of the valve core and the circular truncated cone-shaped hole are matched and rotate through a conical surface. The valve core and the accommodating hole rotate in a conical surface matching mode, and sealing performance between the valve core and the accommodating hole can be improved.

Specifically, the working process of the utility model is as follows: when the driving motor is started, the screw rod is driven to rotate, and the push rod moves downwards to drive the piston to move downwards to pump liquid, at the moment, the through hole in the valve core is communicated with the liquid inlet pipe; after the liquid pumping is finished, the driving motor II rotates reversely, the push rod drives the piston to move upwards, meanwhile, the driving motor II is started to drive the valve core to rotate, so that the through hole is communicated with the liquid outlet pipe, and liquid in the piston cylinder flows out of the liquid outlet pipe.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the scope of the utility model as defined by the independent claims are intended to be embraced therein.

Claims

1. A vertical piston pump device comprising a housing (1), characterized in that: a piston assembly and a valve body assembly are arranged in the shell (1);

the piston assembly comprises a piston (12), a piston cylinder (13) and a driving piece, the piston (12) is movably matched with the piston cylinder (13), and the driving piece is used for driving the piston (12) to reciprocate in the piston cylinder (13);

the valve body assembly is used for controlling the piston cylinder (13) to be communicated with the liquid inlet pipe joint (14) or the liquid outlet pipe joint (19);

the driving piece comprises a first driving motor (3), a push rod (11) and a lead screw (6), an axial threaded hole is formed in the push rod (11), the lead screw (6) is matched with the threaded hole, and the first driving motor (3) is used for driving the lead screw (6) to rotate in the threaded hole;

piston assembly includes valve body (20), case (15) and driving motor two (2), liquid inlet pipe connects (14) and goes out liquid pipe connects (19) and all sets up on valve body (20), be equipped with on valve body (20) with case (15) normal running fit's accommodation hole, liquid inlet pipe connects (14) and goes out liquid pipe connects (19) all with the accommodation hole intercommunication, be equipped with in case (15) with through-hole (17) of piston cylinder (13) intercommunication, driving motor two (2) are used for the drive case (15) rotate.

2. A vertical piston pump assembly according to claim 1, wherein: the driving piece further comprises a vertical seat (10), a hole cavity which is matched with the push rod (11) in a moving mode is formed in the vertical seat (10), a guide limiting rod (8) is arranged on the push rod (11), and a guide limiting groove (9) which is matched with the guide limiting rod (8) is formed in the vertical seat (10).

3. A vertical piston pump device according to claim 1 or 2, characterized in that: the output end of the first driving motor (3) is provided with a first synchronizing wheel (4), the lower end of the lead screw (6) is provided with a second synchronizing wheel (7), and the first synchronizing wheel (4) and the second synchronizing wheel (7) are driven through a synchronous belt (5).

4. A vertical piston pump assembly according to claim 1, wherein: the output end of the second driving motor (2) is provided with a first transmission gear (18), and the upper end of the valve core (15) is provided with a second transmission gear (16) which is in meshing transmission with the first transmission gear (18).

5. A vertical piston pump assembly according to claim 1, wherein: the valve core (15) is in a shape of a circular truncated cone at the lower end of an upper cylinder, the accommodating hole is in a shape of a circular truncated cone, and the circular truncated cone-shaped part at the lower end of the valve core (15) and the circular truncated cone-shaped hole are matched to rotate through a conical surface.