CN213953829U

CN213953829U - Low pulse constant current plunger pump

Info

Publication number: CN213953829U
Application number: CN202022822418.4U
Authority: CN
Inventors: 万坪镇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-08-13
Anticipated expiration: 2030-11-28

Abstract

A low-pulse constant-current plunger pump comprises a base, a water inlet pipe, a water outlet pipe, a support frame, a crankshaft, a connecting rod, a piston, a cylinder body, a guide pipe, a support plate and a plugging mechanism; the water inlet pipe and the water outlet pipe are both arranged on the base; two ends of the guide pipe are respectively communicated with the water inlet pipe and the water outlet pipe; one end of the cylinder body is communicated with the middle part of the guide pipe; the crankshaft is rotatably arranged on the support frame; the supporting frame is provided with a driving motor for driving the crankshaft to rotate; two ends of the connecting rod are respectively and rotatably connected with the crankshaft and the piston, and the piston is arranged in the cylinder body in a sliding manner; the supporting disc and the plugging mechanism are both arranged in the conduit; a plurality of groups of connecting rods, pistons, cylinder bodies, guide pipes, supporting disks and plugging mechanisms are arranged; the two ends of the guide pipes are respectively communicated with the water inlet pipe and the water outlet pipe. The utility model discloses multiunit connecting rod, piston, cylinder body, pipe, supporting disk and shutoff mechanism simultaneous movement can make its can be continuous carry the liquid of inlet tube department to in the outlet pipe to improve the stability of its output.

Description

Low pulse constant current plunger pump

Technical Field

The utility model relates to a plunger pump technical field especially relates to a low pulse constant current plunger pump.

Background

The plunger pump is an important device of the hydraulic system. The plunger reciprocates in the cylinder body to change the volume of the sealed working cavity so as to absorb and press oil. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like, and is widely applied to occasions with high pressure, large flow and flow needing regulation, such as hydraulic machines, engineering machinery and ships.

When the existing plunger pump is used, as the existing plunger pump has a neutral gear in the air suction and exhaust periods, the output liquid flow is unstable, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a low pulse constant current plunger pump can make its liquid with inlet tube department carry to the outlet pipe in continuously through multiunit connecting rod, piston, cylinder body, pipe, supporting disk and shutoff mechanism simultaneous movement to improve the stability of its output.

(II) technical scheme

The utility model provides a low pulse constant current plunger pump, which comprises a base, a water inlet pipe, a water outlet pipe, a support frame, a crankshaft, a connecting rod, a piston, a cylinder body, a conduit, a support disc and a plugging mechanism;

the water inlet pipe and the water outlet pipe are respectively arranged on two sides of the base; the guide pipe is arranged on the base, and two ends of the guide pipe are respectively communicated with the water inlet pipe and the water outlet pipe; the cylinder body is arranged on the base, and one end of the cylinder body is communicated with the middle part of the guide pipe; two support frames are symmetrically arranged; the two support frames are arranged on the base; the crankshaft is rotationally arranged on the two support frames; the supporting frame is provided with a driving motor for driving the crankshaft to rotate; one end of the connecting rod is rotatably arranged on the crankshaft, the other end of the connecting rod is slidably arranged on the piston, and the piston is slidably arranged in the cylinder body; two supporting disks and two plugging mechanisms are arranged; the two supporting disks and the two plugging mechanisms are arranged in the conduit; the plugging mechanism comprises a sliding rod, an elastic piece, a plugging block and a plugging platform; the sliding rod is arranged on the supporting disk in a sliding manner; the blocking block is arranged on the sliding rod; the plugging platform is arranged in the conduit; the plugging table is abutted with the plugging block; the elastic piece is arranged on the outer peripheral side of the sliding rod, and two ends of the elastic piece are respectively connected with the plugging block and the supporting disk; a plurality of groups of connecting rods, pistons, cylinder bodies, guide pipes, supporting disks and plugging mechanisms are arranged; the two ends of the guide pipes are respectively communicated with the water inlet pipe and the water outlet pipe.

Preferably, the support disc is of a spoke-shaped configuration.

Preferably, the support frame is provided with a support plate, and the driving motor is arranged on the support plate.

Preferably, a protective cover is arranged on the supporting plate; the protective cover covers the outer side of the driving motor.

Preferably, the protective cover is provided with a fan and an air inlet hole.

Preferably, the crankshaft is provided with a flywheel; the flywheel is provided with a plurality of.

Preferably, the water outlet pipe is provided with an arc water guide plate.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

the utility model discloses in, start driving motor, driving motor drive crankshaft rotates, the bent axle drives the connecting rod and removes, the connecting rod drives the piston reciprocating sliding in the cylinder body, thereby carry out piston motion, when the piston upward movement breathes in, the plugging piece of inlet tube department is driven by the negative pressure and is removed to the direction of outlet pipe, make the slide bar slide on the supporting disk, and compress the elastic component, thereby make the inlet tube inhale liquid in the pipe when the piston continues upward movement with liquid suction in the pipe in the cylinder body, after moving to extreme position, bent axle drive piston downstream, the liquid in the piston promotion cylinder body moves down, liquid and the elastic component in the pipe promote the plugging piece of inlet pipe side simultaneously and move, make plugging piece and plugging platform contact, seal; the liquid in the conduit pushes the blocking block at the side of the water outlet pipe to separate from the blocking table, so that a gap is formed between the blocking block and the blocking table, and the liquid in the conduit can flow into the water outlet pipe from the gap to complete one cycle; the multiple groups of simultaneous movement can enable the liquid at the water inlet pipe to be continuously conveyed into the water outlet pipe, so that the output stability of the liquid is improved.

Drawings

Fig. 1 is the utility model provides a low pulse constant current plunger pump's schematic structure.

Fig. 2 is the utility model provides a structure cross-sectional view of low pulse constant current plunger pump.

Fig. 3 is a schematic view of a local structure of a low-pulse constant-current plunger pump according to the present invention.

Reference numerals: 1. a base; 2. a water inlet pipe; 3. a water outlet pipe; 4. a support frame; 5. a crankshaft; 6. a connecting rod; 7. a piston; 8. a cylinder body; 9. a conduit; 10. a support disc; 11. a plugging mechanism; 1101. a slide bar; 1102. an elastic member; 1103. a plugging block; 1104. a plugging table; 12. a support plate; 13. a protective cover; 14. a drive motor; 15. a fan; 16. a flywheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the utility model provides a low pulse constant current plunger pump, which comprises a base 1, a water inlet pipe 2, a water outlet pipe 3, a support frame 4, a crankshaft 5, a connecting rod 6, a piston 7, a cylinder body 8, a conduit 9, a support plate 10 and a plugging mechanism 11;

the water inlet pipe 2 and the water outlet pipe 3 are respectively arranged at two sides of the base 1; the guide pipe 9 is arranged on the base 1, and two ends of the guide pipe 9 are respectively communicated with the water inlet pipe 2 and the water outlet pipe 3; the cylinder body 8 is arranged on the base 1, and one end of the cylinder body 8 is communicated with the middle part of the guide pipe 9; two support frames 4 are symmetrically arranged; the two support frames 4 are both arranged on the base 1; the crankshaft 5 is rotatably arranged on the two support frames 4; the supporting frame 4 is provided with a driving motor 14 for driving the crankshaft 5 to rotate; one end of a connecting rod 6 is rotatably arranged on the crankshaft 5, the other end of the connecting rod 6 is slidably arranged on a piston 7, and the piston 7 is slidably arranged in a cylinder body 8; two supporting disks 10 and two plugging mechanisms 11 are arranged; the two supporting disks 10 and the two plugging mechanisms 11 are arranged in the conduit 9; the plugging mechanism 11 comprises a sliding rod 1101, an elastic piece 1102, a plugging block 1103 and a plugging platform 1104; the sliding rod 1101 is arranged on the supporting disk 10 in a sliding manner; the block 1103 is disposed on the sliding bar 1101; the occlusion stage 1104 is disposed within the catheter 9; the plugging table 1104 abuts against the plugging block 1103; the elastic piece 1102 is arranged on the outer periphery side of the sliding rod 1101, and two ends of the elastic piece 1102 are respectively connected with the blocking block 1103 and the supporting disk 10; a plurality of groups of connecting rods 6, pistons 7, cylinder bodies 8, guide pipes 9, supporting disks 10 and plugging mechanisms 11 are arranged; the two ends of the plurality of guide pipes 9 are respectively communicated with the water inlet pipe 2 and the water outlet pipe 3.

In an alternative embodiment, the support disk 10 is of a spoke-like configuration.

It should be noted that the spoke-like structure facilitates the passage of liquid in the conduit 9.

In an alternative embodiment, the support frame 4 is provided with a support plate 12, and the driving motor 14 is provided on the support plate 12.

It should be noted that the supporting plate 12 is used for supporting the driving motor 14, so that the driving motor 14 can be more stably mounted on the supporting frame 4.

In an alternative embodiment, a protective cover 13 is provided on the support plate 12; the protective cover 13 covers the outside of the drive motor 14.

It should be noted that the protective cover 13 is used to protect the drive motor 14 from dust and accidental impacts.

In an alternative embodiment, the protective cover 13 is provided with a fan 15 and air inlet openings.

The fan 15 is used to cool the drive motor 14 inside the protective cover 13, thereby increasing the service life thereof.

In an alternative embodiment, the crankshaft 5 is provided with a flywheel 16; the flywheel 16 is provided in plurality.

It should be noted that when the crankshaft 5 rotates, the flywheel 16 is driven to rotate, and the flywheel 16 can make the crankshaft 5 break through the dead point, so that the movement is more reliable.

In an alternative embodiment, the water outlet pipe 3 is provided with an arc-shaped water guide plate.

It should be noted that the arc-shaped water guide plate can guide the liquid in the water outlet pipe 3, so as to reduce the potential energy consumption.

The utility model discloses in, start driving motor 14, driving motor 14 drive bent axle 5 rotates, bent axle 5 drives connecting rod 6 and removes, connecting rod 6 drives piston 7 in cylinder 8 reciprocating sliding, thereby carry out piston motion, the shutoff piece 1103 of inlet tube 2 department is driven by the negative pressure and is removed to the direction of outlet pipe 3 when piston 7 upward movement is breathed in, make slide bar 1101 slide on supporting disk 10, and compress elastic component 1102, thereby make inlet tube 2 inhale liquid in pipe 9 in the piston continues upward movement in with liquid suction cylinder 8, after moving to extreme position, bent axle 5 drives piston 7 and moves downwards, piston 7 promotes the liquid in cylinder 8 and moves downwards, liquid in pipe 9 and elastic component promote the shutoff piece 1103 of inlet tube 2 side simultaneously and move, make shutoff piece 1103 and shutoff platform 1104 contact, seal; and the liquid in the conduit 9 pushes the blocking block 1103 on the side of the water outlet pipe 3 to separate from the blocking platform 1104, so that a gap is formed between the blocking block 1103 and the blocking platform 1104, and the liquid in the conduit 9 can flow into the water outlet pipe 3 from the gap, thereby completing one cycle; the simultaneous movement of the multiple groups can enable the water inlet pipe 2 to continuously convey the liquid to the water outlet pipe 3, so that the output stability of the water inlet pipe is improved.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A low-pulse constant-current plunger pump is characterized by comprising a base (1), a water inlet pipe (2), a water outlet pipe (3), a support frame (4), a crankshaft (5), a connecting rod (6), a piston (7), a cylinder body (8), a guide pipe (9), a support disc (10) and a plugging mechanism (11);

the water inlet pipe (2) and the water outlet pipe (3) are respectively arranged at two sides of the base (1); the guide pipe (9) is arranged on the base (1), and two ends of the guide pipe (9) are respectively communicated with the water inlet pipe (2) and the water outlet pipe (3); the cylinder body (8) is arranged on the base (1), and one end of the cylinder body (8) is communicated with the middle part of the guide pipe (9); two support frames (4) are symmetrically arranged; the two support frames (4) are arranged on the base (1); the crankshaft (5) is rotatably arranged on the two support frames (4); a driving motor (14) for driving the crankshaft (5) to rotate is arranged on the supporting frame (4); one end of a connecting rod (6) is rotatably arranged on the crankshaft (5), the other end of the connecting rod (6) is slidably arranged on a piston (7), and the piston (7) is slidably arranged in a cylinder body (8); two supporting disks (10) and two plugging mechanisms (11) are arranged; the two supporting disks (10) and the two plugging mechanisms (11) are arranged in the catheter (9); the plugging mechanism (11) comprises a sliding rod (1101), an elastic piece (1102), a plugging block (1103) and a plugging platform (1104); the sliding rod (1101) is arranged on the supporting disk (10) in a sliding mode; the blocking block (1103) is arranged on the sliding rod (1101); the plugging platform (1104) is arranged in the catheter (9); the plugging table (1104) is abutted with the plugging block (1103); the elastic piece (1102) is arranged on the outer peripheral side of the sliding rod (1101), and two ends of the elastic piece (1102) are respectively connected with the blocking block (1103) and the supporting disk (10); a plurality of groups of connecting rods (6), pistons (7), cylinder bodies (8), guide pipes (9), supporting disks (10) and plugging mechanisms (11) are arranged; two ends of the plurality of guide pipes (9) are respectively communicated with the water inlet pipe (2) and the water outlet pipe (3).

2. A low pulse constant flow plunger pump according to claim 1, characterized in that the support disc (10) is of a spoke-like configuration.

3. A low pulse constant current plunger pump according to claim 1, characterized in that the support frame (4) is provided with a support plate (12), and the driving motor (14) is provided on the support plate (12).

4. A low pulse constant flow plunger pump according to claim 3, characterized in that the supporting plate (12) is provided with a protective cover (13); the protective cover (13) covers the outside of the drive motor (14).

5. A low pulse constant flow plunger pump according to claim 4, characterized in that the protective cover (13) is provided with a fan (15) and air inlet holes.

6. A low pulse constant flow plunger pump according to claim 1, characterized in that the crankshaft (5) is provided with a flywheel (16); a plurality of flywheels (16) are provided.

7. The low-pulse constant-current plunger pump as claimed in claim 1, wherein an arc-shaped water guide plate is arranged on the water outlet pipe (3).