CN216714620U

CN216714620U - Variable axial plunger barrel pump adjusting mechanism

Info

Publication number: CN216714620U
Application number: CN202122795808.1U
Authority: CN
Inventors: 顾海烨; 谢军; 沈凯; 李建纲
Original assignee: Jiangsu Hengyuan Hydraulic Co ltd
Current assignee: Jiangsu Hengyuan Hydraulic Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-06-10
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a variable axial plunger barrel pump adjusting mechanism which comprises a shell, a liquid pumping unit and an adjusting unit, wherein the shell is provided with a liquid inlet and a liquid outlet; a housing: a liquid outlet pipeline is arranged on the right end face of the shell, a first connecting pipe is arranged in a liquid outlet arranged at the upper end of the liquid outlet pipeline, a second connecting pipe is arranged in a liquid inlet arranged on the outer arc surface of the shell, and a connecting rod is rotatably connected in an opening arranged in the middle of the left end face of the shell through a bearing; a liquid pumping unit: including connection pad, universal ball joint, plunger section of thick bamboo, transmission hole, liquid feed mouth, seal assembly one and seal assembly two, the middle part opening of connection pad is rotated through the pivot and is connected in the right-hand member of connecting rod, and the right-hand member face of connection pad has the universal ball joint of symmetric distribution through annular spout sliding connection, and the right-hand member of universal ball joint all is equipped with the plunger section of thick bamboo, and the inner chamber right wall of shell is equipped with the transmission hole of symmetric distribution, this variable axial plunger section of thick bamboo pump adjustment mechanism for the suction and the discharge of liquid can carry out variable according to operating condition and adjust.

Description

Variable axial plunger barrel pump adjusting mechanism

Technical Field

The utility model relates to the technical field of axial plunger barrel pumps, in particular to a variable axial plunger barrel pump adjusting mechanism.

Background

The plunger pump is a displacement pump, because its main moving part is cylindrical, easy to process and guarantee higher matching precision, so can guarantee to still have higher volumetric efficiency under higher operating pressure, radial plunger pump and axial plunger pump are the most common type in the plunger pump, the axial plunger pump is the important apparatus in the hydraulic system, the axial plunger pump is widely suitable for the machinery such as machine tool forging, metallurgy, engineering, mine, boats and so on and other hydraulic transmission systems with the advantages of high efficiency, convenient variable quantity, at present, the traditional axial plunger pump includes the cylinder block, the plunger reciprocating in the cylinder block and the sloping cam plate, one end of the plunger reciprocates in the cylinder block to suck or spray fluid, when the daily use needs to regulate the axial plunger pump, it is more tedious, the liquid suction and discharge can not carry on variable regulation according to the actual working condition, for this reason, we propose a variable axial plunger barrel pump adjustment mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, provides an adjusting mechanism of a variable axial plunger barrel pump, meets the requirement of quick variable adjustment of the axial plunger barrel pump, and can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a variable axial plunger barrel pump adjusting mechanism comprises a shell, a liquid pumping unit and an adjusting unit;

a housing: a liquid outlet pipeline is arranged on the right end face of the shell, a first connecting pipe is arranged in a liquid outlet arranged at the upper end of the liquid outlet pipeline, a second connecting pipe is arranged in a liquid inlet arranged on the outer arc surface of the shell, and a connecting rod is rotatably connected in an opening arranged in the middle of the left end face of the shell through a bearing;

a liquid pumping unit: the plunger piston comprises a connecting disc, universal ball joints, plunger piston cylinders, transmission holes, liquid supply ports, a first sealing assembly and a second sealing assembly, wherein the middle opening of the connecting disc is rotatably connected to the right end of a connecting rod through a rotating shaft, the right end face of the connecting disc is slidably connected with the symmetrically-distributed universal ball joints through an annular chute, the plunger piston cylinders are arranged at the right ends of the universal ball joints, the transmission holes are symmetrically distributed on the right wall surface of an inner cavity of a shell, the plunger piston cylinders are respectively and slidably connected with the transmission holes corresponding to the same side, the liquid supply ports are uniformly distributed at the left ends of the outer cambered surfaces of the plunger piston cylinders, the first sealing assembly is arranged at the right ends of the inner cavities of the plunger piston cylinders, the second sealing assembly is arranged at the right ends of the inner cavities of the transmission holes, and the right ends of the second sealing assembly are fixedly connected with the right wall surface of the inner cavity of a liquid outlet pipeline;

an adjusting unit: sliding connection is in the left end face of connection pad, and the screw threaded connection that adjusting element and shell extrados set up plays the effect of adjusting to the discharge capacity of axial plunger barrel pump for the suction and the discharge of liquid can carry out the variable according to operating condition and adjust, have satisfied the demand that the quick variable of axial plunger barrel pump was adjusted.

Furthermore, one sealing assembly comprises a first conical sealing plate, a first fixing strip, a first spring and a first sealing ball, the first conical sealing plate is arranged at the right end of the inner cavity of the plunger cylinder respectively, the right end of the inner cavity of the plunger cylinder is provided with the first fixing strip, the left surface of the first fixing strip is provided with the first spring, the left end of the first spring is provided with the first sealing ball, and the first sealing ball at the lower end is in close contact with the inner cambered surface of the first conical sealing plate at the lower end to achieve the purposes of sealing and matched use.

Further, the second sealing assembly comprises a second conical sealing plate, a second spring and a second sealing ball, the second conical sealing plate is arranged at the right end of the inner cavity of the transmission hole, the second spring is symmetrically distributed in the vertical direction on the right wall surface of the inner cavity of the liquid outlet pipeline, the second sealing ball is arranged at the left end of the second spring, and the second sealing ball at the upper end is in close contact with the inner cambered surface of the second conical sealing plate at the upper end to achieve the effect of sealing and matching.

Further, the regulating unit includes strip shaped plate, connecting seat and lead screw, the strip shaped plate passes through slider sliding connection in the annular spout that the connecting disc left end face set up, and the left surface of strip shaped plate has the connecting seat through spout sliding connection, and the inner chamber of connecting seat rotates through the pivot and is connected with the lead screw, and the screw threaded connection that the outside of lead screw and the outer cambered surface of shell set up has satisfied the demand that the quick variable of axial plunger barrel pump was adjusted.

Furthermore, the adjusting unit further comprises a knob, and the knob is arranged at the lower end of the screw rod, so that the operation of a worker can be more convenient.

Furthermore, the extrados of shell is equipped with the assembly plate of symmetric distribution, and the upper surface of assembly plate all is equipped with the fixed orifices of horizontal symmetric distribution, plays quick fixed mounting's effect.

Further, the extrados of shell is equipped with the rings of symmetric distribution for the staff can be more convenient when moving the shell whole.

Compared with the prior art, the utility model has the beneficial effects that: this variable axial plunger barrel pump adjustment mechanism has following benefit:

when the variable adjustment is required according to the actual working condition, firstly, a worker rotates the screw rod along the pointer or anticlockwise through the knob, the screw rod can be screwed out of or into the shell when rotating, the strip-shaped plate is connected with the connecting seat in a sliding manner, the connecting seat is connected with the screw rod in a rotating manner, when the screw rod is screwed in the shell, the sliding chute of the strip-shaped plate of the connecting seat can move towards the direction of the connecting rod, so that the connecting disc can rotate anticlockwise, when the angle is adjusted to a proper angle, the knob is stopped to be twisted, when the screw rod is screwed out of the shell, the sliding chute of the strip-shaped plate of the connecting seat can move towards the opposite direction of the connecting rod, so that the connecting disc rotates clockwise, when the angle is adjusted to a proper angle, the turning of the knob is stopped to be twisted, the difference of the inclination angle of the connecting disc can influence the stroke length of the plunger cylinder during the work, thereby adjusting the displacement of the axial plunger cylinder pump, the variable adjustment can be carried out on the suction and the discharge of the liquid according to the actual working conditions, and the requirement of the axial plunger cylinder pump for quick variable adjustment is met.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the adjusting unit of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 4 is an enlarged view of the structure of the present invention at B.

In the figure: the device comprises a shell 1, a liquid outlet pipeline 2, a first connecting pipe 3, a second connecting pipe 4, a fixing hole 5, a connecting rod 6, a liquid pumping unit 7, a connecting disc 71, a universal ball joint 72, a plunger cylinder 73, a transmission hole 74, a liquid supply port 75, a first sealing assembly 76, a first 761 conical sealing plate, a 762 fixing strip block, a first 763 spring, a first 764 sealing ball, a second 77 sealing assembly, a second 771 conical sealing plate, a second 772 spring, a second 773 sealing ball, an 8 adjusting unit, a 81 strip-shaped plate, a 82 connecting seat, a 83 screw rod, a 84 knob, a 9 assembling plate and a 10 lifting ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present embodiment provides a technical solution: a variable axial plunger barrel pump adjusting mechanism comprises a shell 1, a liquid pumping unit 7 and an adjusting unit 8;

the shell 1: the shell 1 provides an installation supporting place for the auxiliary mechanism units, a liquid outlet pipeline 2 is arranged on the right end face of the shell, the liquid outlet pipeline 2 plays a role in liquid transmission, a first connecting pipe 3 is arranged in a liquid outlet formed in the upper end of the liquid outlet pipeline 2, the first connecting pipe 3 plays a role in quick communication, a second connecting pipe 4 is arranged in a liquid inlet formed in the outer arc surface of the shell 1, the second connecting pipe 4 plays a role in liquid pumping, a connecting rod 6 is rotatably connected in an opening formed in the middle of the left end face of the shell 1 through a bearing, and the connecting rod 6 plays a role in quick connection with an external output end;

the liquid pumping unit 7: the liquid level meter comprises a connecting disc 71, a universal ball joint 72, plunger cylinders 73, transmission holes 74, liquid supply ports 75, a first sealing assembly 76 and a second sealing assembly 77, wherein a middle opening of the connecting disc 71 is rotatably connected to the right end of a connecting rod 6 through a rotating shaft, the right end face of the connecting disc 71 is connected with the universal ball joints 72 in a sliding mode through an annular sliding groove, the plunger cylinders 73 are arranged at the right ends of the universal ball joints 72, the transmission holes 74 in the symmetrical distribution are formed in the right wall face of an inner cavity of a shell 1, the plunger cylinders 73 are respectively connected with the transmission holes 74 corresponding to the same side in a sliding mode, the liquid supply ports 75 in uniform distribution are formed in the left end of the outer arc face of the plunger cylinders 73, the first sealing assembly 76 is arranged at the right end of the inner cavity of the plunger cylinders 73, the second sealing assembly 77 is arranged at the right end of the inner cavity of the transmission holes 74, the right end of the second sealing assembly 77 is fixedly connected with the right wall face of an inner cavity of a liquid outlet pipeline 2, the first sealing assembly 76 comprises a conical sealing plate A, a sealing plate A761, The device comprises a fixed bar 762, a first spring 763 and a first sealing ball 764, wherein a first conical sealing plate 761 is respectively arranged at the right end of an inner cavity of a plunger cylinder 73, the right end of the inner cavity of the plunger cylinder 73 is provided with the fixed bar 762, the left surface of the fixed bar 762 is provided with the first spring 763, the left end of the first spring 763 is provided with the first sealing ball 764, the first sealing ball 764 at the lower end is tightly contacted with an inner arc surface of the first conical sealing plate 761 at the lower end, a second sealing component 77 comprises a second conical sealing plate 771, a second spring 772 and a second sealing ball 773, the second conical sealing plate 771 is respectively arranged at the right end of the inner cavity of a transmission hole 74, the right wall surface of the inner cavity of a liquid outlet pipeline 2 is provided with the second springs 772 which are vertically and symmetrically distributed, the left end of the second spring 772 is provided with a second sealing ball 773, the second sealing ball 773 at the upper end is tightly contacted with the inner arc surface of the second conical sealing plate 771 at the upper end, and then a worker connects the right end of a connecting rod 6 with an output shaft of an external motor through a coupler, then the worker connects the first connecting pipe 3 and the second connecting pipe 4 with the corresponding transmission pipe outside respectively, and regulates the operation of the external motor through the control switch, the output shaft of the external motor rotates to drive the connecting rod 6 to rotate, when the connecting rod 6 rotates, the connecting disc 71 is driven to rotate at the same amplitude, because the connecting disc 71 is connected with the universal ball joint 72 in a sliding way, the connecting disc 71 inclines at a certain angle, when the connecting disc 71 rotates, the plunger cylinder 73 can do axial reciprocating motion in the transmission hole 74, when the plunger cylinder 73 at the upper end is pulled out by the connecting disc 71, the spring 763 at the upper end can be contracted by the pressure of the liquid, the sealing ball 764 at the upper end is separated from the conical sealing plate one 761, the conical sealing plate two 771 and the sealing ball two 773 at the upper end still keep sealed, at the time, the liquid can be sucked into the space formed by the plunger cylinder 73 at the upper end and the transmission hole 74 through the liquid supply port 75, meanwhile, the plunger cylinder 73 at the lower end is pushed into the transmission hole 74 at the lower end, because the sealing ball 764 at the lower end and the conical sealing plate 761 at the lower end still keep sealing, and the spring 772 at the lower end contracts under the influence of pressure, the sealing ball 773 at the lower end is separated from the conical sealing plate 771, at this time, the liquid sucked in the space between the plunger cylinder 73 at the lower end and the transmission hole 74 is squeezed into the liquid outlet pipeline 2 by the plunger cylinder 73 at the lower end, the plunger cylinder 73 continuously reciprocates to suck the liquid into the shell 1 from the connecting pipe two 4, and then the liquid is pumped out through the connecting pipe one 3, so that the purpose of liquid pumping is achieved;

the adjusting unit 8: the adjusting unit 8 is connected with the left end face of the connecting disc 71 in a sliding manner, the adjusting unit 8 is in threaded connection with a threaded hole formed in the outer arc face of the shell 1, the adjusting unit 8 comprises a strip-shaped plate 81, a connecting seat 82 and a screw rod 83, the strip-shaped plate 81 is connected into an annular sliding groove formed in the left end face of the connecting disc 71 in a sliding manner through a sliding block, the left surface of the strip-shaped plate 81 is connected with the connecting seat 82 in a sliding manner through a sliding groove, the inner cavity of the connecting seat 82 is connected with the screw rod 83 in a rotating manner through a rotating shaft, the outer portion of the screw rod 83 is in threaded connection with the threaded hole formed in the outer arc face of the shell 1, the adjusting unit 8 further comprises a knob 84, the knob 84 is arranged at the lower end of the screw rod 83, when variable adjustment is required according to actual working conditions, firstly, a worker rotates the screw rod 83 along a pointer or anticlockwise through the knob 84, the screw rod 83 can be screwed out of or screwed into the inner portion of the shell 1 when the screw rod 83 rotates, because the strip-shaped plate 81 is connected with the connecting seat 82 in a sliding manner, make connecting seat 82 remove to connecting rod 6 direction along the spout of strip shaped plate 81 when the inside screw-in of lead screw 83 toward shell 1, thereby make connection pad 71 anticlockwise rotation, it can to stop wrench knob 84 after adjusting to suitable angle, can make connecting seat 82 along strip shaped plate 81's spout remove to the opposite direction of connecting rod 6 when the inside screw-out of lead screw 83 follow shell 1, thereby make connection pad 71 clockwise rotation, it can to stop wrench knob 84 after adjusting to suitable angle, the length of stroke when connection pad 71 inclination's difference can influence plunger section of thick bamboo 73 and do work, thereby play the effect of regulation to the discharge capacity of axial plunger section of thick bamboo pump, make the suction and the discharge of liquid can carry out the variable regulation according to actual condition, the demand of the quick variable regulation of axial plunger section of thick bamboo pump has been satisfied.

Wherein: the extrados of shell 1 is equipped with the assembly plate 9 of symmetric distribution, and the upper surface of assembly plate 9 all is equipped with horizontal symmetric distribution's fixed orifices 5, and

assembly plate

9 and 5 cooperation settings of fixed orifices play quick fixed mounting's effect.

Wherein: the extrados of shell 1 is equipped with the rings 10 of symmetric distribution, and rings 10's setting makes the staff can be more convenient when moving shell 1 wholly.

The working principle of the variable axial plunger barrel pump adjusting mechanism provided by the utility model is as follows: when the variable adjustment is required according to the actual working condition, firstly, a worker rotates the screw rod 83 clockwise or counterclockwise through the knob 84, the screw rod 83 can be screwed out or screwed into the inside of the shell 1 when rotating, because the strip-shaped plate 81 is connected with the connecting seat 82 in a sliding manner, the connecting seat 82 is connected with the screw rod 83 in a rotating manner, when the screw rod 83 is screwed into the inside of the shell 1, the connecting seat 82 can move towards the connecting rod 6 along the sliding groove of the strip-shaped plate 81, so that the connecting disc 71 rotates counterclockwise, when the screw rod 83 is adjusted to a proper angle, the knob 84 is stopped to be twisted, when the screw rod 83 is screwed out of the inside of the shell 1, the connecting seat 82 can move towards the opposite direction of the connecting rod 6 along the sliding groove of the strip-shaped plate 81, so that the connecting disc 71 rotates clockwise, when the knob 84 is stopped to be adjusted to a proper angle, the difference of the inclination angle of the connecting disc 71 can influence the stroke length of the plunger cylinder 73 during the work, therefore, the displacement of the axial plunger barrel pump is adjusted, the suction and discharge of liquid can be adjusted according to actual working conditions, and the requirement of quick variable adjustment of the axial plunger barrel pump is met, firstly, a worker connects the right end of the connecting rod 6 with an output shaft of an external motor through a coupler, then, the worker connects the connecting pipe I3 and the connecting pipe II 4 with corresponding transmission pipes outside respectively, and regulates and controls the operation of the external motor through a control switch, the output shaft of the external motor rotates to drive the connecting rod 6 to rotate, when the connecting rod 6 rotates, the connecting disc 71 is driven to rotate at the same amplitude, because the connecting disc 71 is connected with the universal ball joint 72 in a sliding manner, the connecting disc 71 inclines for a certain angle, when the connecting disc 71 rotates, the plunger barrel 73 can do axial reciprocating motion in the transmission hole 74, when the plunger barrel 73 at the upper end is pulled out by the connecting disc 71, the first spring 763 at the upper end is contracted by the pressure of the liquid, so that the first sealing ball 764 at the upper end is separated from the first conical sealing plate 761, the second conical sealing plate 771 and the second sealing ball 773 at the upper end are still sealed, at the same time, the liquid is sucked into the space formed by the plunger cylinder 73 at the upper end and the transmission hole 74 through the liquid supply port 75, the plunger cylinder 73 at the lower end is pushed into the transmission hole 74 at the lower end, because the first sealing ball 764 and the first conical sealing plate 761 at the lower end are still sealed, and the second spring 772 at the lower end is contracted by the influence of the pressure, so that the second sealing ball 773 at the lower end is separated from the second conical sealing plate 771, at the same time, the liquid sucked into the space between the plunger cylinder 73 at the lower end and the transmission hole 74 is squeezed into the liquid outlet pipe 2 by the plunger cylinder 73 at the lower end, the plunger cylinder 73 continuously and reciprocally acts to suck the liquid into the housing 1 from the second connecting pipe 4, and then pumps the liquid out through the first connecting pipe 3, the purpose of liquid extraction is achieved by reciprocating without stopping.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a variable axial plunger barrel pump adjustment mechanism which characterized in that: comprises a shell (1), a liquid extracting unit (7) and an adjusting unit (8);

housing (1): a liquid outlet pipeline (2) is arranged on the right end face of the shell, a first connecting pipe (3) is arranged in a liquid outlet arranged at the upper end of the liquid outlet pipeline (2), a second connecting pipe (4) is arranged in a liquid inlet arranged on the outer arc surface of the shell (1), and a connecting rod (6) is rotatably connected in an opening arranged in the middle of the left end face of the shell (1) through a bearing;

liquid extraction unit (7): comprises a connecting disc (71), universal ball joints (72), plunger cylinders (73), transmission holes (74), liquid supply ports (75), a first sealing assembly (76) and a second sealing assembly (77), wherein the middle openings of the connecting disc (71) are rotatably connected to the right end of a connecting rod (6) through rotating shafts, the right end face of the connecting disc (71) is connected with the symmetrically-distributed universal ball joints (72) in a sliding mode through annular sliding grooves, the right ends of the universal ball joints (72) are respectively provided with the plunger cylinders (73), the right wall face of an inner cavity of a shell (1) is provided with the symmetrically-distributed transmission holes (74), the plunger cylinders (73) are respectively connected with the transmission holes (74) corresponding to the same side in a sliding mode, the left ends of the outer arc surfaces of the plunger cylinders (73) are respectively provided with the uniformly-distributed liquid supply ports (75), the right ends of the inner cavities of the plunger cylinders (73) are respectively provided with the first sealing assemblies (76), and the right ends of the inner cavities of the transmission holes (74) are respectively provided with the second sealing assemblies (77), the right end of the second sealing component (77) is fixedly connected with the right wall surface of the inner cavity of the liquid outlet pipeline (2);

adjusting unit (8): the adjusting unit (8) is connected with a screw hole in the outer arc surface of the shell (1) in a threaded manner.

2. The variable axial plunger barrel pump adjustment mechanism of claim 1, wherein: the sealing assembly I (76) comprises a first conical sealing plate (761), a first fixed strip block (762), a first spring (763) and a first sealing ball (764), the first conical sealing plate (761) is arranged at the right end of the inner cavity of the plunger cylinder (73) respectively, the right end of the inner cavity of the plunger cylinder (73) is provided with the first fixed strip block (762), the left surface of the first fixed strip block (762) is provided with the first spring (763), the left end of the first spring (763) is provided with the first sealing ball (764), and the first sealing ball (764) at the lower end is in close contact with the inner arc surface of the first conical sealing plate (761) at the lower end.

3. The variable axial plunger barrel pump adjustment mechanism of claim 1, wherein: the second sealing assembly (77) comprises a second conical sealing plate (771), a second spring (772) and a second sealing ball (773), the second conical sealing plate (771) is arranged at the right end of the inner cavity of the transmission hole (74) respectively, the right wall surface of the inner cavity of the liquid outlet pipeline (2) is provided with the second spring (772) which is vertically and symmetrically distributed, the left end of the second spring (772) is provided with the second sealing ball (773), and the second sealing ball (773) at the upper end is in tight contact with the inner arc surface of the second conical sealing plate (771) at the upper end.

4. The variable axial plunger barrel pump adjustment mechanism of claim 1, wherein: adjusting element (8) include strip shaped plate (81), connecting seat (82) and lead screw (83), strip shaped plate (81) through slider sliding connection in the annular spout that connection pad (71) left end face set up, the left surface of strip shaped plate (81) has connecting seat (82) through spout sliding connection, the inner chamber of connecting seat (82) rotates through the pivot and is connected with lead screw (83), the outside of lead screw (83) and the screw threaded connection that shell (1) extrados set up.

5. The variable axial plunger barrel pump adjustment mechanism of claim 4, wherein: the adjusting unit (8) further comprises a knob (84), and the knob (84) is arranged at the lower end of the screw rod (83).

6. The variable axial plunger barrel pump adjustment mechanism of claim 1, wherein: the extrados of shell (1) is equipped with symmetric distribution's assembly plate (9), and the upper surface of assembly plate (9) all is equipped with horizontal symmetric distribution's fixed orifices (5).

7. The variable axial plunger barrel pump adjustment mechanism of claim 1, wherein: the outer arc surface of the shell (1) is provided with symmetrically distributed hanging rings (10).