CN219262648U

CN219262648U - Hydraulic oil pump convenient to axle head is connected

Info

Publication number: CN219262648U
Application number: CN202320323398.7U
Authority: CN
Inventors: 毕长虹
Original assignee: Hefei Saiyuan Hydraulic Components Co ltd
Current assignee: Hefei Saiyuan Hydraulic Components Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-06-27
Anticipated expiration: 2033-02-27

Abstract

The utility model relates to the technical field of hydraulic oil pumps, and particularly discloses a hydraulic oil pump convenient for shaft end connection, which comprises an oil pump body, wherein the oil pump body is provided with a transmission shaft, a shaft end connection assembly comprises a sleeve fixedly sleeved on the transmission shaft and a semi-annular lower shell fixedly butted at the lower part of the outer end of the sleeve, the semi-annular upper shell is detachably clamped at the upper part of the semi-annular lower shell, a strip-shaped clamping block matched with a key slot of an output shaft of a motor is arranged in the middle of the inner cavity top surface of the semi-annular upper shell, the radial fixing piece comprises a cylinder radially sleeved on the transmission shaft and close to the middle of the outer end and a threaded column fixedly butted at the top end of the cylinder, and a threaded hole matched with the threaded column in a threaded sleeve joint is formed in the position of the top surface of the semi-annular upper shell close to the inner end; the problem that the shaft end of the hydraulic oil pump is inconvenient to stably connect with the power output shaft of the motor is solved.

Description

Hydraulic oil pump convenient to axle head is connected

Technical Field

The utility model relates to the technical field of hydraulic oil pumps, in particular to a hydraulic oil pump convenient for shaft end connection.

Background

The hydraulic oil pump is used for converting mechanical energy of a prime motor into pressure energy of liquid, and refers to an oil pump in a hydraulic system, and the oil pump supplies power to the whole hydraulic system. The hydraulic pump is generally structured in the form of a gear pump, a vane pump and a plunger pump.

When the hydraulic oil pump is used, the shaft end of the hydraulic oil pump is in transmission connection with the power output shaft of the motor by adopting a connecting device such as a coupler. However, the existing connecting device has the problems of complex and unreasonable structure and the like, so that the shaft end of the hydraulic oil pump is not convenient to be connected with the power output shaft of the motor quickly and stably.

Disclosure of Invention

The utility model aims to provide a hydraulic oil pump convenient for shaft end connection, which is used for solving the problem that the shaft end of the existing hydraulic oil pump is inconvenient to stably connect with a power output shaft of a motor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hydraulic oil pump convenient to axle head is connected, includes the oil pump body, the oil pump body is equipped with the transmission shaft, axle head coupling assembling including fixed suit in sleeve on the transmission shaft and fixed dock in the semi-annular lower casing of sleeve outer end lower part, semi-annular go up the casing can dismantle the cartridge in semi-annular lower casing upper portion, semi-annular go up casing inner chamber top surface middle part be equipped with motor output shaft keyway joint matched bar fixture block, radial mounting include along radial suit in the transmission shaft be close to the cylinder at outer end middle part and fixed dock in the screw thread post on cylinder top, semi-annular go up the casing top surface be close to the inner end position be equipped with the screw thread post screw thread cup joints matched screw hole.

Preferably, the front side and the rear side of the top of the semi-annular lower shell are respectively provided with a first convex part, a first concave part and a second convex part from inside to outside in sequence, the first convex part, the first concave part and the second convex part extend along the axial direction of the semi-annular lower shell, the front side and the rear side of the bottom of the semi-annular upper shell are respectively provided with a second concave part, a third convex part and a third concave part from inside to outside in sequence, the second concave part, the third convex part and the third concave part extend along the axial direction of the semi-annular upper shell, and the first convex part, the first concave part and the second convex part are respectively clamped with the second concave part, the third convex part and the third concave part correspondingly.

Preferably, the hexagonal groove is arranged in the middle of the top end face of the threaded column.

Preferably, the end plate is integrally formed at the bottom end of the cylinder, and a circular hole which is sleeved and matched with the end plate is formed at the position of the semi-annular lower shell corresponding to the end plate.

Preferably, the transmission shaft is provided with two perforations extending along the radial direction of the transmission shaft in parallel near the outer end, and the cylinder is sleeved in the perforations.

Preferably, the transmission shaft is integrally formed with a limiting ring at a position corresponding to the inner end face of the sleeve.

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

the hydraulic oil pump is convenient to connect the transmission shaft with the power output shaft of the motor through the shaft end connecting assembly and the semi-annular upper shell, and the connection mode is simple and easy to operate; in addition, the device has simple structure and low manufacturing cost, and is easy to be widely applied.

Drawings

FIG. 1 is a schematic diagram of the overall front view structure of the present utility model;

FIG. 2 is a schematic side view of the overall structure of the present utility model;

FIG. 3 is a schematic perspective view of a drive shaft according to the present utility model;

FIG. 4 is a schematic perspective view of the shaft end connection assembly of the present utility model;

FIG. 5 is a first perspective view of the semi-annular upper housing of the present utility model;

FIG. 6 is a second perspective view of the semi-annular upper housing of the present utility model;

fig. 7 is a second perspective view of the radial fixture of the present utility model.

In the figure: 1-an oil pump body;

2-a transmission shaft; 21-perforating; 22-limiting rings;

3-shaft end connecting components; 31-sleeve; 32-semi-annular lower housing; 33-a first protrusion; 34-a first recess; 35-a second protrusion; 36-round holes;

a 4-semi-annular upper housing; 41-a second recess; 42-a third protrusion; 43-a third recess; 44-threaded holes; 45-a strip-shaped clamping block;

5-radial fixtures; 51-a cylinder; 52-threaded posts; 53-hexagonal grooves; 54-end plates.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides a hydraulic oil pump convenient to axle head is connected, includes oil pump body 1, and oil pump body 1 is equipped with transmission shaft 2, and transmission shaft 2 is close to outer end position parallel and is equipped with two perforation 21 along its radial extension.

The shaft end connecting assembly 3 comprises a sleeve 31 fixedly sleeved on the transmission shaft 2 and a semi-annular lower shell 32 fixedly butted to the lower part of the outer end of the sleeve 31.

The semi-annular upper shell 4 is detachably clamped on the upper part of the semi-annular lower shell 32, a strip-shaped clamping block 45 matched with a key slot of a motor output shaft is arranged in the middle of the top surface of the inner cavity of the semi-annular upper shell 4, and a threaded hole 44 corresponding to the through hole 21 is formed in the position, close to the inner end, of the top surface of the semi-annular upper shell 4.

The radial fixing piece 5 comprises a cylinder 51 sleeved in the through hole 21 and a threaded column 52 fixedly butted at the top end of the cylinder 51, and the threaded column 52 is in threaded sleeve joint matching with the threaded hole 44.

In the process of connecting the motor, the transmission shaft 2 is fixedly sleeved in the sleeve 31, and the perforation 21 is ensured to extend vertically; placing the motor power output shaft in the inner cavity of the semi-annular lower shell 32, and enabling a key groove on the power output shaft to face upwards; the threaded column 52 is in threaded sleeve joint with the threaded hole 44 from the bottom surface of the semi-annular upper shell 4, and the threaded column 52 is rotated, so that the semi-annular upper shell 4 is clamped on the semi-annular lower shell 32 and holds the power output shaft tightly, and meanwhile, the strip-shaped clamping block 45 is clamped in a key slot of the power output shaft, so that the transmission connection between the transmission shaft 2 and the power output shaft of the motor is completed.

The front and rear sides of the top of the semi-annular lower shell 32 are respectively provided with a first convex part 33, a first concave part 34 and a second convex part 35 from inside to outside in sequence, the first convex part 33, the first concave part 34 and the second convex part 35 extend along the axial direction of the semi-annular lower shell 32, the front and rear sides of the bottom of the semi-annular upper shell 4 are respectively provided with a second concave part 41, a third convex part 42 and a third concave part 43 from inside to outside in sequence, the second concave part 41, the third convex part 42 and the third concave part 43 extend along the axial direction of the semi-annular upper shell 4, and the first convex part 33, the first concave part 34 and the second convex part 35 are respectively correspondingly clamped with the second concave part 41, the third convex part 42 and the third concave part 43.

In order to facilitate the rotation of the threaded post 52 by the allen wrench, a hexagonal groove 53 is provided centrally on the top end surface of the threaded post 52.

The end plate 54 is integrally formed at the bottom end of the cylinder 51, the semicircular lower shell 32 is provided with a round hole 36 which is sleeved and matched with the end plate 54 at a position corresponding to the end plate 54, and the outer diameter of the end plate 54 is larger than that of the cylinder 51.

The transmission shaft 2 is integrally formed with a limit ring 22 at a position corresponding to the inner end face of the sleeve 31.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic oil pump convenient to axle head is connected, includes oil pump body (1), oil pump body (1) are equipped with transmission shaft (2), its characterized in that still includes:

the shaft end connecting assembly (3), the shaft end connecting assembly (3) comprises a sleeve (31) fixedly sleeved on the transmission shaft (2) and a semi-annular lower shell (32) fixedly butted to the lower part of the outer end of the sleeve (31);

the semi-annular upper shell (4), the semi-annular upper shell (4) is detachably clamped on the upper part of the semi-annular lower shell (32), and a strip-shaped clamping block (45) which is matched with the key slot of the motor output shaft in a clamping way is arranged in the middle of the top surface of the inner cavity of the semi-annular upper shell (4); and

the radial fixing piece (5), radial fixing piece (5) including along radial suit in cylinder (51) that transmission shaft (2) are close to outer end middle part and fixed butt joint in screw thread post (52) on cylinder (51) top, semi-annular upper casing (4) top surface is close to the inner end position be equipped with screw thread post (52) screw thread cup joint the screw hole (44) of matching.

2. A hydraulic oil pump for facilitating shaft end connection according to claim 1, wherein: the semi-annular lower shell (32) top front and back side is equipped with first convex part (33), first concave part (34) and second convex part (35) by inside outwards in proper order respectively, first convex part (33), first concave part (34) and second convex part (35) are all followed the axial extension of semi-annular lower shell (32), semi-annular upper shell (4) bottom front and back side is equipped with second concave part (41), third convex part (42) and third concave part (43) by inside outwards in proper order respectively, second concave part (41), third convex part (42) and third concave part (43) are all followed the axial extension of semi-annular upper shell (4), first convex part (33), first concave part (34) and second convex part (35) respectively with second concave part (41), third convex part (42) and third concave part (43) correspond joint.

3. A hydraulic oil pump for facilitating shaft end connection according to claim 1, wherein: a hexagonal groove (53) is formed in the center of the top end face of the threaded column (52).

4. A hydraulic oil pump for facilitating shaft end connection according to claim 1, wherein: an end plate (54) is integrally formed at the bottom end of the cylinder (51), and a round hole (36) which is sleeved and matched with the end plate (54) is formed in the position, corresponding to the end plate (54), of the semi-annular lower shell (32).

5. A hydraulic oil pump for facilitating shaft end connection according to claim 1, wherein: two through holes (21) extending along the radial direction of the transmission shaft (2) are arranged in parallel at the position close to the outer end, and the cylinder (51) is sleeved in the through holes (21).

6. A hydraulic oil pump for facilitating shaft end connection according to claim 1, wherein: and a limiting ring (22) is integrally formed at the position of the transmission shaft (2) corresponding to the inner end surface of the sleeve (31).