CN216306148U

CN216306148U - Power device of handheld cleaning machine

Info

Publication number: CN216306148U
Application number: CN202122685495.4U
Authority: CN
Inventors: 沈建明
Original assignee: Zhejiang Baoweier Technology Co ltd
Current assignee: Zhejiang Baoweier Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-15
Anticipated expiration: 2031-11-04

Abstract

The utility model provides a power device of a handheld cleaning machine, which comprises a pump body upper cover and a pump body lower cover, wherein a positioning shaft is arranged between the pump body upper cover and the pump body lower cover; the plunger swash plate and the driving gear are axially inserted and matched to form a whole. According to the power device of the handheld cleaning machine, the plunger swash plate can be driven to rotate through the transmission mechanism, the inclined surface of the plunger swash plate is matched with the plunger pump below the pump body, the plunger pump can be driven to reciprocate up and down while rotating, the transmission effect is realized, the transmission efficiency is improved, the plunger swash plate can be inserted and matched on the driving gear below, the structure is simpler, and the assembly is convenient.

Description

Power device of handheld cleaning machine

Technical Field

The utility model relates to the technical field of plunger pumps, in particular to a power device of a handheld cleaning machine.

Background

The plunger pump is an important device of a hydraulic system, and realizes oil suction and oil pressing by means of the change of a sealed volume caused by the reciprocating motion of a plunger in a cylinder body. 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 petroleum and natural gas well site conveying systems. The plunger pump is suitable for reciprocating motion of fluid with large flow and is an important component of hydraulic machinery. The power device of the existing handheld cleaning machine is usually in a form of adopting a plunger pump, the traditional plunger pump comprises a plunger swash plate plunger and a transmission gear and the like which are arranged in a pump body, the transmission gear is fixedly connected with the plunger swash plate through a bolt, the upward rotary transmission in the radial direction is realized, the processing procedure is complex, the time and the labor are wasted during installation, the existing hydraulic pump is mostly a plunger pump with double working chambers, the liquid discharge amount is small, the existing hydraulic pump is very labouring when being applied to high-power hydraulic machinery, but only the working chambers are increased in quantity, the internal pump core has a load problem, the transmission efficiency is low, and the internal liquid transportation is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the technical problem of providing a power device of a handheld cleaning machine, and aims to solve the problems that in the prior art, a plunger pump is low in conveying efficiency and the assembly between a driving gear and a plunger swash plate is complex.

(II) technical scheme

In order to solve the technical problem, the utility model provides a power device of a handheld cleaning machine, which comprises a pump body upper cover and a pump body lower cover, wherein a positioning shaft is arranged between the pump body upper cover and the pump body lower cover; the plunger swash plate and the driving gear are axially inserted and matched to form a whole.

Furthermore, be equipped with the knot position groove that a plurality of axial set up on drive gear's the inner wall, be equipped with on the lateral wall of plunger sloping cam plate a plurality of with the fixture block that the knot position groove corresponds, drive gear can drive plunger sloping cam plate synchronous revolution, a plurality of plungers are installed to pump body upper cover lower extreme, the plunger is connected to on the oblique terminal surface of plunger sloping cam plate, the plunger sloping cam plate can drive when rotatory plunger up-and-down motion.

Further, the oblique terminal surface of plunger sloping cam plate with install first thrust bearing between the plunger, the quantity of plunger is 3, first thrust bearing has played the cushioning effect, through increasing the quantity of plunger pump can improve transmission efficiency, cover on the pump body and be equipped with feed liquor pipe and drain pipe, the pump body will the liquid of feed liquor pipe department is transported to the drain pipe.

The utility model also provides a power device of the handheld cleaning machine, which comprises an upper pump body cover and a lower pump body cover, wherein the lower pump body cover is connected with a driving mechanism, the driving mechanism comprises a driving gear, a plunger swash plate and a driving motor, an output gear on the driving motor is meshed with the driving gear, and the plunger swash plate and the driving gear are axially inserted and matched to form a whole; a second thrust bearing is installed in the lower cover of the pump body; the plunger swash plate is connectively mounted to the second thrust bearing.

Further, plunger sloping cam plate lower extreme is equipped with connecting portion, connecting portion pass drive gear and are connected to second thrust bearing, the drive gear lower extreme is placed on the second thrust bearing up end, be equipped with a plurality of catching grooves on drive gear's the inner wall, be equipped with on the lateral wall of plunger sloping cam plate a plurality of with the clamping block that catching groove corresponds, a plurality of plungers are installed to pump body upper cover lower extreme, the plunger is connected to on the oblique terminal surface of plunger sloping cam plate.

(III) advantageous effects

According to the power device of the handheld cleaning machine, the plunger swash plate can be driven to rotate through the transmission mechanism, the inclined surface of the plunger swash plate is matched with the plunger pump below the pump body, the plunger pump can be driven to reciprocate up and down while rotating, the transmission effect is achieved, the number of the plunger pumps can be arranged at equal intervals, the transmission efficiency is improved, the plunger swash plate can be inserted and matched on the driving gear below, and compared with the original gear matching, the power device of the handheld cleaning machine is simpler in structure and convenient to assemble.

Drawings

FIG. 1 is a perspective view of a power device of a hand-held cleaning machine according to an embodiment of the present invention;

FIG. 2 is a perspective view of an internal structure of a power device of a hand-held cleaning machine according to an embodiment of the present invention;

FIG. 3 is a perspective view of a driving mechanism of a power device of a hand-held cleaning machine according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a driving mechanism of a power device of a hand-held cleaning machine according to an embodiment of the present invention;

FIG. 5 is an exploded view of a drive mechanism of a power plant of a hand-held cleaning machine according to an embodiment of the present invention;

FIG. 6 is a perspective view of a center plunger swashplate of an embodiment of a handheld cleaning device power unit of the present invention;

FIG. 7 is a perspective view of a second embodiment of a power device of a hand-held cleaning machine according to the present invention;

FIG. 8 is an exploded view of a second embodiment of a power assembly of a hand-held cleaning machine according to the present invention;

FIG. 9 is a perspective view of a second plunger swashplate and a second thrust bearing of an embodiment of a handheld washer power unit of the present invention;

fig. 10 is a perspective view of a swashplate of a cylinder plug in an embodiment of a power unit of a hand-held cleaning machine according to the present invention.

Wherein: 1 is pump body upper cover, 2 is drive gear, 3 is plunger sloping cam plate, 4 is driving motor, 5 is the plunger, 6 is the catching groove, 7 is the fixture block, 8 is the location axle, 9 is first bearing, 10 is first thrust bearing, 11 is the second thrust bearing, 12 is connecting portion, 13 is the feed liquor pipe, 14 is the drain pipe, 15 is pump body lower cover.

Detailed Description

The first embodiment is as follows:

referring to fig. 1 to 6, in order to solve the above technical problems, the present invention provides a power device for a handheld cleaning machine, including a pump body upper cover 1 and a pump body lower cover 15, a positioning shaft 8 is installed between the pump body upper cover 1 and the pump body lower cover 15, the pump body lower cover 15 is connected with a driving mechanism, in this embodiment, the driving mechanism includes a driving gear 2, a plunger swash plate 3 and a driving motor 4, an output gear on the driving motor 4 is engaged with the driving gear 2, and the driving gear 2 is installed to the positioning shaft 8 through a first bearing 9 to realize positioning; the plunger swash plate 3 and the driving gear 2 are axially inserted and matched to form a whole, and the driving motor 4 drives the driving gear 2 and the plunger swash plate 3 to synchronously rotate; in the embodiment, a plurality of buckling grooves 6 which are axially arranged are arranged on the inner wall of the driving gear 2, a plurality of clamping blocks 7 which correspond to the buckling grooves 6 are arranged on the side wall of the plunger swash plate 3, the driving gear 2 drives the plunger swash plate 3 to move by the matching of the buckling grooves 6 and the clamping blocks 7, a plurality of plungers 5 are arranged at the lower end of the pump body upper cover 1, the plungers 5 are connected to the inclined end surface of the plunger swash plate 3, because the end surface of the plunger swash plate 3 is inclined, the plunger 5 can be driven to move up and down when rotating, in the embodiment, the specific number of the plungers 5 is 3, a first thrust bearing 10 is arranged between the inclined end surface of the plunger swash plate 3 and the plungers 5, the first thrust bearing 10 plays a role in buffering, the number of the plunger pumps 5 is increased, the transmission efficiency can be improved, in addition, a liquid inlet pipe 13 and a liquid outlet pipe 14 are arranged on the pump body upper cover 1, and liquid in the liquid inlet pipe 13 can be conveyed to the liquid outlet pipe 14 through the pump body.

Example two:

referring to fig. 7 to 10, the difference between the present embodiment and the first embodiment is: a second thrust bearing 11 is arranged in the pump body lower cover 15; plunger sloping cam plate 3 connects and installs to second thrust bearing 11, and is concrete, and 3 lower extremes of plunger sloping cam plate are equipped with connecting portion 12, and connecting portion 12 pass drive gear 2 and are connected to the upper end of second thrust bearing 11, and the lower extreme of second thrust bearing is fixed in pump body

lower cover

15, and 2 lower extremes of drive gear are placed on 11 up end of second thrust bearing, and drive gear 2 and plunger sloping cam plate 3 realize the location through thrust roller bearing 11 in this embodiment, need not to install the location axle additional in inside.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a hand-held type cleaning machine power device, includes pump body upper cover (1) and pump body lower cover (15), pump body upper cover (1) with install location axle (8) between pump body lower cover (15), pump body lower cover (15) are connected with actuating mechanism, its characterized in that: the driving mechanism comprises a driving gear (2), a plunger swash plate (3) and a driving motor (4), an output gear on the driving motor (4) is meshed with the driving gear (2), and the driving gear (2) is mounted to the positioning shaft (8) through a first bearing (9); the plunger swash plate (3) and the driving gear (2) are axially inserted and matched to form a whole.

2. The hand-held cleaning machine power device of claim 1, characterized in that: the inner wall of the driving gear (2) is provided with a plurality of buckling grooves (6) which are axially arranged, and the side wall of the plunger swash plate (3) is provided with a plurality of clamping blocks (7) corresponding to the buckling grooves (6).

3. The hand-held cleaning machine power device of claim 1, characterized in that: a plurality of plungers (5) are installed to pump body upper cover (1) lower extreme, plungers (5) are connected to on the inclined end face of plunger sloping cam plate (3).

4. The hand-held cleaning machine power device as claimed in claim 3, characterized in that: a first thrust bearing (10) is arranged between the inclined end surface of the plunger swash plate (3) and the plunger (5).

5. The hand-held cleaning machine power device as claimed in claim 3, characterized in that: the number of the plungers (5) is 3.

6. A hand-held cleaning machine power device according to any one of claims 1-5, characterized in that: a liquid inlet pipe (13) and a liquid outlet pipe (14) are arranged on the pump body upper cover (1).

7. The utility model provides a hand-held type cleaning machine power device which characterized in that: including pump body upper cover (1) and pump body lower cover (15), pump body lower cover (15) are connected with actuating mechanism, its characterized in that: the driving mechanism comprises a driving gear (2), a plunger swash plate (3) and a driving motor (4), an output gear on the driving motor (4) is meshed with the driving gear (2), and the plunger swash plate (3) and the driving gear (2) are axially inserted and matched to form a whole; a second thrust bearing (11) is arranged in the pump body lower cover (15); the plunger swash plate (3) is attached to the second thrust bearing (11).

8. The hand-held cleaning machine power device of claim 7, characterized in that: plunger sloping cam plate (3) lower extreme is equipped with connecting portion (12), connecting portion (12) pass drive gear (2) and are connected to second thrust bearing (11), drive gear (2) lower extreme is placed on second thrust bearing (11) up end.

9. The hand-held cleaning machine power device of claim 7, characterized in that: the inner wall of the driving gear (2) is provided with a plurality of catching grooves (6), and the side wall of the plunger swash plate (3) is provided with a plurality of clamping blocks (7) corresponding to the catching grooves (6).

10. The hand-held cleaning machine power device of claim 7, characterized in that: a plurality of plungers (5) are installed to pump body upper cover (1) lower extreme, plungers (5) are connected to on the inclined end face of plunger sloping cam plate (3).