CN211549968U

CN211549968U - Hydraulic pump assembly

Info

Publication number: CN211549968U
Application number: CN202020172303.2U
Authority: CN
Inventors: 袁振楠; 范明孝
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-16
Filing date: 2020-02-16
Publication date: 2020-09-22
Anticipated expiration: 2030-02-16

Abstract

The utility model discloses a hydraulic pump assembly, including first pump case and second pump case, first pump case and second pump case fixed connection, the second screw has all been seted up in first pump case four corners, and first screw has all been seted up in second pump case four corners, all runs through and threaded connection has the bolt in first screw and the second screw, and the tooth chamber has been seted up at first pump case middle part, and upper portion is provided with first gear in the tooth chamber, the utility model discloses the beneficial effect who reaches is: through setting up first gear and second gear, first gear clockwise rotation drives second gear anticlockwise rotation, the tooth piece that two gears are close to oil feed chamber one side constantly breaks away, the space is by little grow, inhale hydraulic oil from advancing oil pipe, the tooth piece that two gears are close to oil discharge chamber one side constantly meshes, the space is by diminishing greatly, extrude hydraulic oil from an oil pipe, moreover, the steam generator is simple in structure, the part number is less, the cost is lower, it is very convenient during the installation, compress the fluid through the gear operation, the required precision to hydraulic oil is not high, the maintenance cost is low.

Description

Hydraulic pump assembly

Technical Field

The utility model relates to an subassembly, in particular to hydraulic pump assembly belongs to hydraulic system component technical field.

Background

The pump is a machine for conveying fluid or pressurizing fluid, the hydraulic pump is a hydraulic element for providing pressurized liquid for hydraulic transmission, is a pump and is widely installed in various mechanical equipment, is an important element for enabling various equipment to do reciprocating motion, has the function of converting mechanical energy of a motor into pressure energy of the liquid, the working principle of the hydraulic pump is that the motion brings the change of the volume of a pump cavity, so that the fluid is compressed to enable the fluid to have the pressure energy, the essence is that the change of the sealed volume in the pump cavity enables liquid oil to enter or be extruded out, and the element is driven to move. Inconvenient using widely, it is more sensitive to the quality of fluid, require higher filter fineness, improved use cost, consequently in order to solve the problem that the aforesaid exists, the utility model provides a hydraulic pump assembly.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome prior art's defect, a hydraulic pump assembly is provided, through setting up first gear, the second gear, the protecting crust, the sealing washer, the bolt, wear-resisting cover, the effectual hydraulic pump that has solved mainly adopts the plunger pump, utilize the reciprocating type pressure that produces of piston, the structure is more complicated, the part number is more, it is very troublesome during the installation, the operator easily goes wrong and leads to the hydraulic pump to appear revealing the problem, manufacturing process requires highly, the cost is more expensive, maintenance cost is expensive, inconvenient using widely, it is more sensitive to the quality of fluid, require higher filter fineness, use cost's problem has been improved.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a hydraulic pump component, which comprises a first pump shell and a second pump shell, wherein the first pump shell and the second pump shell are fixedly connected, the four corners of the first pump shell are all provided with second screw holes, the four corners of the second pump shell are all provided with first screw holes, the first screw hole and the second screw hole are both penetrated through and are in threaded connection with bolts, a tooth cavity is arranged in the middle of the first pump shell, a first gear is arranged at the upper part in the tooth cavity, a second gear is arranged at the lower part of the tooth cavity, the first gear is meshed with the second gear, the middle part of the first gear is fixedly connected with a first rotating shaft, one end of the first rotating shaft, far away from the first gear, is fixedly connected with the output end of the speed reducing motor, the middle part of the second gear is fixedly connected with a second rotating shaft, one end, far away from the second gear, of the second rotating shaft is sleeved with a wear-resistant sleeve, the wear-resistant sleeve is clamped in a groove, and the groove is formed in the lower part of the second pump shell.

As a preferred technical scheme of the utility model, the outside fixedly connected with protecting crust of gear motor, the protecting crust block is close to in the draw-in groove on second pump case upper portion in first pump case, the protecting crust has the sealing washer with the bonding of gear motor junction.

As a preferred technical scheme of the utility model, oil feed chamber and the chamber of producing oil have been seted up respectively to first pump case both sides, oil feed chamber all communicates with tooth chamber middle part with the one side that the chamber of producing oil is close to each other.

As a preferred technical scheme of the utility model, oil feed chamber female connection has into oil pipe, it keeps away from tooth chamber one end and extends to first pump case outside to advance oil pipe, the intracavity threaded connection that produces oil has an oil pipe, it keeps away from tooth chamber one end and extends to first pump case outside to produce oil pipe.

As a preferred technical scheme of the utility model, the one end that first screw and second screw are close to each other all communicates.

The utility model discloses the beneficial effect who reaches is: the utility model relates to a hydraulic pump assembly, through setting up first gear and second gear, first gear clockwise rotation drives second gear anticlockwise rotation, the tooth piece that two gears are close to oil inlet chamber one side constantly disengages, the space is by little grow, inhale hydraulic oil from the oil inlet pipe, the tooth piece that two gears are close to oil outlet chamber one side constantly meshes, the space is by big grow, extrude hydraulic oil from the oil outlet pipe, moreover, the steam generator is simple in structure, the part number is less, the cost is lower, it is very convenient during installation, compress the fluid through the gear operation, the precision requirement to hydraulic oil is not high, the maintenance cost is low, through setting up protective shell and sealing washer, install the protective shell with the gear motor, bond the sealing washer in the junction of protective shell and gear motor, prevent that hydraulic oil from getting into the gear motor inside, produce the harm to the gear motor, through setting up the bolt, insert four bolts in the first screw hole, make first pump case and the inseparable laminating of second pump case, reveal when preventing to inhale hydraulic oil, through setting up wear-resisting cover, cup jointed wear-resisting cover in the second pivot, produce wearing and tearing when avoiding the second pivot to rotate, this device has fine practicality and popularization nature, convenient to popularize and use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is an enlarged schematic view of the structure at a of the present invention.

In the figure: 1. a first pump casing; 2. a second pump casing; 3. a tooth chamber; 4. a first gear; 5. a second gear; 6. a first screw hole; 7. a second screw hole; 8. a bolt; 9. a second rotating shaft; 10. a groove; 11. a wear-resistant sleeve; 12. an oil outlet pipe; 13. an oil inlet pipe; 14. an oil outlet cavity; 15. an oil inlet cavity; 16. a reduction motor; 17. a protective shell; 18. a seal ring; 19. a first rotating shaft.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in figures 1-3, the hydraulic pump assembly of the present invention comprises a first pump housing 1 and a second pump housing 2, wherein the first pump housing 1 is fixedly connected with the second pump housing 2, the four corners of the first pump housing 1 are all provided with second screw holes 7, the four corners of the second pump housing 2 are all provided with first screw holes 6, the first screw holes 6 and the second screw holes 7 are all penetrated and connected with bolts 8 by screw threads, the middle part of the first pump housing 1 is provided with a tooth chamber 3, the upper part in the tooth chamber 3 is provided with a first gear 4, the lower part of the tooth chamber 3 is provided with a second gear 5, the first gear 4 is meshed with the second gear 5, the middle part of the first gear 4 is fixedly connected with a first rotating shaft 19, one end of the first rotating shaft 19 far away from the first gear 4 is fixedly connected with the output end of a speed reducing motor 16, the middle part of the second gear 5 is fixedly connected with a second rotating shaft 9, one end of, the wear-resistant sleeve 11 is clamped in the groove 10, and the groove 10 is arranged at the lower part of the second pump shell 2.

The external part of the speed reducing motor 16 is fixedly connected with a protective shell 17, the protective shell 17 is clamped in a clamping groove of the first pump shell 1 close to the upper part of the second pump shell 2, a sealing ring 18 is bonded at the joint of the protective shell 17 and the speed reducing motor 16 to prevent hydraulic oil from entering the speed reducing motor 16 and damaging the speed reducing motor 16, an oil inlet cavity 15 and an oil outlet cavity 14 are respectively arranged at two sides of the first pump shell 1, one sides of the oil inlet cavity 15 and the oil outlet cavity 14 close to each other are communicated with the middle part of the tooth cavity 3, hydraulic oil can conveniently flow, the oil absorption performance is strong, the quality requirement on oil is low, the cost is low, an oil inlet pipe 13 is in threaded connection with the oil inlet cavity 15, one end of the oil inlet pipe 13 far away from the tooth cavity 3 extends to the external part of the first pump shell 1, an oil outlet pipe 12 is in threaded connection with the oil outlet cavity 14, parts are less, easy operation, and the one end that first screw 6 and second screw 7 are close to each other all communicates, all inserts four bolts 8 in first screw 6, twists reverse to second screw 7 and have the bottom for first pump case 1 is closely laminated with second pump case 2, reveals when preventing to inhale hydraulic oil.

Specifically, when in use, a first rotating shaft 19 in the middle of a first gear 4 is connected to an output shaft of a speed reducing motor 16 through a coupler, the speed reducing motor 16 is installed with a protective shell 17, a sealing ring 18 is bonded at the joint of the protective shell 17 and the speed reducing motor 16 to prevent hydraulic oil from entering the speed reducing motor 16 and damaging the speed reducing motor 16, the speed reducing motor 16 and a second rotating shaft 9 are respectively inserted into a clamping groove at the upper end and a groove 10 at the lower end of a second pump shell 2, a wear-resistant sleeve 11 is sleeved on the second rotating shaft 9 to prevent the second rotating shaft 9 from being worn during rotation, four bolts 8 are all inserted into a first screw hole 6 and are twisted to the bottom of a second screw hole 7, so that the first pump shell 1 and the second pump shell 2 are tightly attached to prevent leakage during suction of the hydraulic oil, an oil inlet pipe 13 is twisted into an oil inlet cavity 15, an oil outlet pipe 12 is twisted into an oil outlet 14, connect this hydraulic pump unit in hydraulic system, open gear motor 16, make first gear 4 rotate, first gear 4 rotates clockwise, first gear 4 drives second gear 5 anticlockwise rotation, the tooth piece that two gears are close to into oil chamber 15 one side constantly breaks away from, the space is by little grow, inhale hydraulic oil from advancing oil pipe 13, the tooth piece that two gears are close to out oil chamber 14 one side constantly meshes, the space is by big diminishing, extrude hydraulic oil from play oil pipe 12, along with first gear 4's continuous operation, hydraulic pump can be continuous inhales extrusion hydraulic oil, carry executive component, this device has fine practicality and popularization nature, convenient to popularize and use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydraulic pump assembly is characterized by comprising a first pump shell (1) and a second pump shell (2), wherein the first pump shell (1) is fixedly connected with the second pump shell (2), second screw holes (7) are formed in the four corners of the first pump shell (1), first screw holes (6) are formed in the four corners of the second pump shell (2), the first screw holes (6) and the second screw holes (7) are penetrated through and connected with bolts (8) in a threaded manner, a tooth cavity (3) is formed in the middle of the first pump shell (1), a first gear (4) is arranged on the inner upper portion of the tooth cavity (3), a second gear (5) is arranged on the lower portion of the tooth cavity (3), the first gear (4) is meshed with the second gear (5), a first rotating shaft (19) is fixedly connected to the middle of the first gear (4), one end, far away from the first gear (4), of the first rotating shaft (19) is fixedly connected to the output end of a speed reducing motor (16), the middle of the second gear (5) is fixedly connected with a second rotating shaft (9), one end, far away from the second gear (5), of the second rotating shaft (9) is sleeved with a wear-resistant sleeve (11), the wear-resistant sleeve (11) is clamped in a groove (10), and the groove (10) is formed in the lower portion of the second pump shell (2).

2. The hydraulic pump assembly according to claim 1, characterized in that a protective shell (17) is fixedly connected to the exterior of the speed reducing motor (16), the protective shell (17) is clamped in a clamping groove of the first pump housing (1) close to the upper portion of the second pump housing (2), and a sealing ring (18) is bonded to the joint of the protective shell (17) and the speed reducing motor (16).

3. The hydraulic pump assembly according to claim 1, characterized in that an oil inlet cavity (15) and an oil outlet cavity (14) are respectively formed in two sides of the first pump housing (1), and one sides of the oil inlet cavity (15) and the oil outlet cavity (14) close to each other are communicated with the middle of the tooth cavity (3).

4. A hydraulic pump assembly according to claim 3, characterized in that the oil inlet chamber (15) is internally threaded with an oil inlet pipe (13), the end of the oil inlet pipe (13) remote from the tooth chamber (3) extends outside the first pump housing (1), the oil outlet chamber (14) is internally threaded with an oil outlet pipe (12), and the end of the oil outlet pipe (12) remote from the tooth chamber (3) extends outside the first pump housing (1).

5. A hydraulic pump assembly according to claim 1, characterized in that the ends of the first threaded hole (6) and the second threaded hole (7) adjacent to each other communicate.