CN210660551U

CN210660551U - S1 type hydraulic plunger variable pump valve body

Info

Publication number: CN210660551U
Application number: CN201921729770.4U
Authority: CN
Inventors: 阮思群; 田潇雅
Original assignee: Wenling City Public Precision Machinery Co ltd
Current assignee: Wenling City Public Precision Machinery Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-06-02
Anticipated expiration: 2029-10-15

Abstract

The utility model relates to the field of variable pump valve body devices, in particular to an S1 type hydraulic plunger variable pump valve body, which comprises a shell, a telescopic column, a shaft lever and plunger bodies symmetrically connected at the two ends of the shaft lever, wherein the end part of the telescopic column passes through the shell and extends to the outer side of the shell, the middle of the telescopic column is fixedly provided with a connecting column, the middle shaft of the shaft lever is connected with the end part of the connecting column, the upper end of the plunger body is hinged at the end part of the shaft lever through a connecting part, the bottom of the shell is correspondingly provided with two channels extending to the outer side of the shell, the channels are provided with slots for the sliding-in of the plunger body, a reset spring is fixedly arranged on the channel at the left side, the upper end of the reset spring is connected with the corresponding upper end of the plunger body, the horizontal shaft, still be provided with drive pivot pivoted rotating device on the casing, this device has improved the result of use of valve body.

Description

S1 type hydraulic plunger variable pump valve body

Technical Field

The utility model relates to a variable pump valve body device field, concretely relates to S1 type hydraulic pressure plunger variable pump valve body.

Background

Variable displacement pumps are variable displacement pumps. The variable displacement pump can be a single-action vane pump, a radial plunger pump or an axial plunger pump, and is widely applied to the hydraulic transmission fields of metallurgy, mines, engineering machinery, ships, civil aviation ground equipment and the like. Axial plunger pumps operate by utilizing the volume change produced by the reciprocating motion of a plunger parallel to a drive shaft within a plunger bore. Because the plunger piston and the plunger piston hole are both circular parts, the plunger piston can achieve high precision matching during processing, so the hydraulic pump has the advantages of high volumetric efficiency, stable operation, good flow uniformity, low noise, high working pressure and the like, but is sensitive to the pollution of hydraulic oil, complex in structure and high in manufacturing cost.

The valve body of the existing hydraulic plunger variable displacement pump has poor effect and low working efficiency, so that an S1 type hydraulic plunger variable displacement pump valve body needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a S1 type hydraulic pressure plunger variable displacement pump valve body.

To achieve the purpose, the utility model adopts the following technical proposal:

the S1 type hydraulic plunger variable pump valve body comprises a shell, a telescopic column, a shaft rod and plunger bodies symmetrically connected to two ends of the shaft rod, wherein the end part of the telescopic column penetrates through the shell and extends to the outer side of the shell, a driving mechanism for driving the telescopic column to slide along the shell is further arranged on the shell, a connecting column is fixedly arranged in the middle of the telescopic column, a middle shaft of the shaft rod is connected to the end part of the connecting column, the plunger bodies are in a circular truncated cone-shaped structure, the upper ends of the plunger bodies are hinged to the end part of the shaft rod through connecting parts, two channels extending to the outer side of the shell are correspondingly arranged at the bottom of the shell, each channel is provided with a groove for the plunger bodies to slide in, a reset spring is fixedly arranged on the channel on the left side, the upper ends of the reset springs are connected to the upper ends of the, the end of the rotating shaft is provided with an eccentric wheel, and the shell is also provided with a rotating device for driving the rotating shaft to rotate.

As an optimal scheme of the S1 type hydraulic plunger variable displacement pump valve body, the driving mechanism comprises a mounting seat, a rotating rod and a first gear, the mounting seat is arranged on the shell, a horizontal shaft of the rotating rod is connected onto the mounting seat, the first gear is fixedly arranged at one end of the rotating rod, a tooth groove is formed in the telescopic column, and the first gear is meshed with the telescopic column and is connected with the telescopic column.

As a preferable scheme of the S1 type hydraulic plunger variable displacement pump valve body, a rotating frame for rotating the rotating rod is further arranged on the other end of the rotating rod.

As an optimal scheme of the S1 type hydraulic plunger variable displacement pump valve body, the rotating device comprises a fixed seat, a micro motor, a second gear and a third gear, the fixed seat is arranged on the shell, the micro motor is fixedly arranged on the fixed seat, the second gear is fixedly connected with the output end of the micro motor, the third gear is fixedly arranged at the end part of the rotating shaft, and the second gear is meshed with the third gear and is connected with the third gear.

As a preferable scheme of the valve body of the S1 type hydraulic plunger variable displacement pump, one end of the telescopic column, which is located at the shell, is fixedly connected with an extension spring, and the extension spring is fixedly connected to the inner wall of the shell.

As a preferable scheme of the S1 type hydraulic plunger variable displacement pump valve body, a mounting plate is fixedly arranged on the shell.

As a preferable scheme of the S1 type hydraulic plunger variable displacement pump valve body, the side part of the mounting plate is provided with a plurality of extension parts, each extension part is provided with a threaded hole, and the threaded holes are connected with fastening screws in a threaded manner.

The utility model has the advantages that:

1. this S1 type hydraulic pressure plunger variable displacement pump valve body, the design has flexible post, mount pad, bull stick and first gear, can drive flexible post and stretch out and draw back along the casing to can adjust the position of axostylus axostyle, and then can adjust the position of plunger body in the passageway, adjust the elasticity of the two according to the demand of difference.

2. The S1 type hydraulic plunger variable displacement pump valve body is provided with an eccentric wheel, a rotating shaft and a rotating device for driving the rotating shaft to rotate, and can efficiently drive the shaft lever to rotate around the connecting column, so that the purposes of opening a valve, feeding water, closing the valve and blocking water are achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the driving mechanism of the present invention.

Fig. 3 is a schematic view of the split structure of the present invention.

Fig. 4 is a schematic structural diagram of the rotating device of the present invention.

In the figure: the device comprises a shell 1, a telescopic column 2, a shaft rod 3, a plunger body 4, a driving mechanism 5, a connecting column 6, a channel 7, a slot 8, a return spring 9, a rotating shaft 10, an eccentric wheel 11, a rotating device 12, a mounting seat 13, a rotating rod 14, a first gear 15, a rotating frame 16, a fixing seat 17, a micro motor 18, a second gear 19, a third gear 20, an extension spring 21, a mounting plate 22, an extension portion 23 and a fastening screw 24.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the S1 type hydraulic plunger variable pump valve body includes a housing 1, a telescopic column 2, a shaft rod 3, and plunger bodies 4 symmetrically connected to two ends of the shaft rod 3, wherein an end of the telescopic column 2 passes through the housing 1 and extends to an outside of the housing 1, the housing 1 is further provided with a driving mechanism 5 for driving the telescopic column 2 to slide along the housing 1, a connecting column 6 is fixedly disposed in a middle of the telescopic column 2, an intermediate shaft of the shaft rod 3 is connected to an end of the connecting column 6, the plunger body 4 is in a circular truncated cone shape, an upper end of the plunger body 4 is hinged to an end of the shaft rod 3 through a connecting portion, two channels 7 extending to the outside of the housing 1 are correspondingly disposed at a bottom of the housing 1, the channels 7 are provided with slots 8 for the plunger body 4 to slide in, and a return spring 9 is fixedly disposed on the, the upper end of reset spring 9 is connected in the upper end of corresponding plunger body 4, it has the pivot 10 that extends to the casing 1 inside still to connect the horizontal axis on the casing 1, the tip of pivot 10 is provided with eccentric wheel 11, still be provided with drive pivot 10 pivoted rotating device 12 on the casing 1. When the device is used, the rotating device 12 drives the rotating shaft 10 to rotate, the eccentric wheel 11 fixedly arranged on the rotating shaft 10 pushes the shaft rod 3 to rotate, the plunger body 4 on one side of the eccentric wheel 11 blocks the slot 8, liquid can be put in from the other side, when the liquid needs to be discharged, the eccentric wheel 11 continues to rotate, the shaft rod 3 rotates in the reverse direction under the action of the reset spring 9, the clamping slot on the other side is closed, the slot 8 on one side of the eccentric wheel 11 is opened, and the liquid is discharged.

Drive mechanism 5 is including mount pad 13, bull stick 14 and first gear 15, mount pad 13 sets up on casing 1, and 14 horizontal axis of bull stick connects on mount pad 13, and first gear 15 is fixed to be set up in the one end of bull stick 14, is provided with the tooth's socket on the flexible post 2, first gear 15 is connected with flexible post 2 meshing. When the telescopic column 2 needs to be driven to slide along the housing 1, the rotating frame 16 can drive the first gear 15 to drive the telescopic column 2 to slide along the housing 1.

A rotating frame 16 for rotating the rotating rod 14 is further provided on the other end of the rotating rod 14.

The rotating device 12 comprises a fixed seat 17, a micro motor 18, a second gear 19 and a third gear 20, the fixed seat 17 is arranged on the shell 1, the micro motor 18 is fixedly arranged on the fixed seat 17, the second gear 19 is fixedly connected with the output end of the micro motor 18, the third gear 20 is fixedly arranged at the end part of the rotating shaft 10, and the second gear 19 is meshed with the third gear 20.

The telescopic column 2 is located at one end of the shell 1 and is fixedly connected with an extension spring 21, and the extension spring 21 is fixedly connected to the inner wall of the shell 1. The extension spring 21 serves to fix the telescopic post 2 and to provide a certain buffer function when the telescopic post 2 slides.

The housing 1 is also fixedly provided with a mounting plate 22.

The side of the mounting plate 22 is provided with a plurality of extending parts 23, each extending part 23 is provided with a threaded hole, and a fastening screw 24 is connected with the threaded hole in a threaded manner. The mounting plate 22, threaded holes and fastening screws 24 are provided for fixedly mounting the device in a determined position.

The working principle is as follows: when the device is used, the rotating device 12 drives the rotating shaft 10 to rotate, the eccentric wheel 11 fixedly arranged on the rotating shaft 10 pushes the shaft rod 3 to rotate, the plunger body 4 on one side of the eccentric wheel 11 blocks the slot 8, liquid can be put in from the other side, when the liquid needs to be discharged, the eccentric wheel 11 continues to rotate, the shaft rod 3 rotates in the reverse direction under the action of the reset spring 9, the clamping slot on the other side is closed, the slot 8 on one side of the eccentric wheel 11 is opened, and the liquid is discharged.

It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. The utility model provides a type S1 hydraulic pressure plunger variable displacement pump valve body which characterized in that: the plunger comprises a shell (1), a telescopic column (2), a shaft rod (3) and plunger bodies (4) symmetrically connected to two ends of the shaft rod (3), wherein the end part of the telescopic column (2) penetrates through the shell (1) and extends to the outer side of the shell (1), a driving mechanism (5) for driving the telescopic column (2) to slide along the shell (1) is further arranged on the shell (1), a connecting column (6) is fixedly arranged in the middle of the telescopic column (2), a middle shaft of the shaft rod (3) is connected to the end part of the connecting column (6), the plunger bodies (4) are of a circular truncated cone-shaped structure, the upper ends of the plunger bodies (4) are hinged to the end part of the shaft rod (3) through connecting parts, two channels (7) extending to the outer side of the shell (1) are correspondingly arranged at the bottom of the shell (1), and a slot (8) for the plunger bodies (4) to slide, the left fixed reset spring (9) that is provided with on passageway (7), the upper end of reset spring (9) is connected in the upper end of corresponding plunger body (4), it has pivot (10) that extend to casing (1) inside to go back the horizontal hub connection on casing (1), the tip of pivot (10) is provided with eccentric wheel (11), still be provided with drive pivot (10) pivoted rotating device (12) on casing (1).

2. An S1 type hydraulic plunger variable pump valve body according to claim 1, wherein: actuating mechanism (5) are including mount pad (13), bull stick (14) and first gear (15), mount pad (13) set up on casing (1), and bull stick (14) horizontal axis connects on mount pad (13), and first gear (15) are fixed to be set up in the one end of bull stick (14), are provided with the tooth's socket on flexible post (2), first gear (15) are connected with flexible post (2) meshing.

3. An S1 type hydraulic plunger variable pump valve body according to claim 2, wherein: and the other end of the rotating rod (14) is also provided with a rotating frame (16) for rotating the rotating rod (14).

4. An S1 type hydraulic plunger variable pump valve body according to claim 3, wherein: rotating device (12) are including fixing base (17), micro motor (18), second gear (19) and third gear (20), fixing base (17) set up on casing (1), and micro motor (18) fixed mounting is on fixing base (17), second gear (19) and micro motor (18)'s output fixed connection, and the fixed tip that sets up in pivot (10) of third gear (20), second gear (19) and third gear (20) meshing are connected.

5. An S1 type hydraulic plunger variable pump valve body according to claim 4, wherein: the telescopic column (2) is located at one end of the shell (1) and is fixedly connected with an extension spring (21), and the extension spring (21) is fixedly connected to the inner wall of the shell (1).

6. An S1 type hydraulic plunger variable pump valve body according to claim 5, wherein: and the shell (1) is also fixedly provided with a mounting plate (22).

7. An S1 type hydraulic plunger variable pump valve body according to claim 6, wherein: the mounting plate (22) lateral part is provided with a plurality of extensions (23), all be provided with the screw hole on extension (23), screw hole female connection has fastening screw (24).