CN215719476U

CN215719476U - Hydraulic gear pump

Info

Publication number: CN215719476U
Application number: CN202121898300.8U
Authority: CN
Inventors: 程陆; 巩少君; 李文静
Original assignee: Shanghai Kaituo Mechanical And Electrical Equipment Co ltd
Current assignee: Shanghai Kaituo Mechanical And Electrical Equipment Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-01
Anticipated expiration: 2031-08-13

Abstract

The utility model provides a hydraulic gear pump which comprises a pump body, wherein a first base shell and a second base shell are respectively arranged at two ends of the pump body in a butt joint mode, a sealing ring is fixedly connected to the outer side of the second base shell, an inner cavity is fixedly formed in the pump body, gears are embedded into the inner cavity, the gears are integrally arranged transversely and vertically, two groups of gears are arranged in a vertical mode, the surfaces of the gears are arranged in a tooth-shaped embedded mode, the outer ends of the gears are fixedly connected with output shaft ends, and bolt rods are embedded into the top ends of the first base shell, the second base shell and the pump body. Thereby it rotates to drive the gomphosis each other of two sets of gears through output bearing, when outside medium carries, is the headspace that "Z" form set up through the inner chamber, and outside medium is after getting into the pump body, and the difficult condition that appears leaking improves the volumetric efficiency of the pump body, when assembling the butt joint between with first base shell, second base shell and the pump body three, and the end angle position is the indent setting, the grafting of the bolt pole of being convenient for.

Description

Hydraulic gear pump

Technical Field

The utility model relates to the technical field of gear pumps, in particular to a hydraulic gear pump.

Background

The gear pump is a rotary pump which can transfer liquid or pressurize it by means of the change and movement of working volume formed between pump cylinder and meshed gear, and is formed from two gears, pump body and front and rear covers, when the gear is rotated, the volume of space of gear disengagement side is changed from small to large, and formed into vacuum to suck liquid, and the volume of space of gear meshing side is changed from large to small to squeeze liquid into pipeline, and the suction cavity and discharge cavity are separated by means of meshing line of two gears.

At present, hydraulic gear pump receives the application widely, but its life is short, dismantles the difficulty and leads to unable maintenance to hydraulic gear pump to cause hydraulic gear pump to scrap, the current gear pump volumetric efficiency is lower when using simultaneously, and overall design integration degree is relatively poor simultaneously.

Therefore, a new hydraulic gear pump is needed.

SUMMERY OF THE UTILITY MODEL

The purpose of the hydraulic gear pump is achieved by the following specific technical means:

the utility model provides a hydraulic gear pump, which comprises a pump body, the both ends of the pump body dock respectively and are provided with first base shell and second base shell, the outside fixedly connected with sealing ring of second base shell, the inside fixed inner chamber of having seted up of the pump body, the inside embedding of inner chamber is provided with the gear, the gear is whole to be horizontal setting, and vertical arrangement sets up two sets ofly, the surface is dentate gomphosis setting, the outer end fixedly connected with output shaft end of gear, first base shell, the top embedding of second base shell and the pump body is provided with the bolt pole, the outer end fixedly connected with screw head of bolt pole, the fixed coupling has the packing ring on the body of rod of bolt pole, the spacing axle of the inner fixedly connected with of gear, the inner wall of the pump body is fixed has seted up the butt joint groove, the inboard embedding in butt joint groove is provided with stable bearing, first base shell, second base shell and the embedding of pump body butt joint position are provided with the sealing layer.

Further preferred embodiments: the surface of the second base shell is fixedly provided with an opening, and the sealing ring is arranged at the opening position outside the second base shell.

Further preferred embodiments: the output shaft end is integrally and transversely arranged, and an opening penetrating through the surface of the second base shell extends outwards and is connected with external driving equipment.

Further preferred embodiments: the top of inner chamber is "Z" form setting, and the outer end position is the binding off setting, and the inner level extends the extension setting backward.

Further preferred embodiments: the outer end corner positions of the first base shell and the second base shell and the two end corner positions of the pump body are all in rectangular concave arrangement.

Further preferred embodiments: the bolt rod is transversely arranged integrally and penetrates through the end angle concave positions of the first base shell, the second base shell and the pump body.

Further preferred embodiments: the gasket is simultaneously positioned at the end angle positions of two ends of the pump body and is set into a hard plastic ring.

Further preferred embodiments: the limiting shaft is transversely arranged, the outer end of the limiting shaft is embedded into the butt joint groove, and the limiting shaft is sleeved with the stabilizing bearing.

Further preferred embodiments: the butt joint groove is arranged on the inner outer side surface of the pump body.

Has the advantages that:

the hydraulic gear pump drives the two groups of gears to be mutually embedded and rotated through the output bearing.

This hydraulic gear pump, when external medium carried, was the headspace that "Z" form set up through the inner chamber, and external medium is after getting into the pump body, and the difficult condition that appears leaking improves the volumetric efficiency of the pump body.

This hydraulic gear pump when assembling the butt joint between with first base shell, second base shell and the pump body three, end angular position is the indent setting, the grafting of the bolt pole of being convenient for to the integral type carries out whole butt joint with the three and fixes, and convenient to detach.

This hydraulic gear pump thereby carries out the butt joint installation with first base shell, second base shell and pump body three through the bolt pole, the integration before effectual reinforcing pump body structure and the base shell structure.

This hydraulic gear pump, through the effectual reinforcing bolt pole of packing ring and the connection stability between the pump body and the drain pan structure.

This hydraulic gear pump is through spacing axle to support the gear, thereby the gear is in the pivoted time, thereby reduces the energy consumption that gear rotation produced through stabilizing the bearing, improves gear revolve's sensitivity.

Drawings

Fig. 1 is a sectional view of the overall structure of the present invention.

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

Fig. 3 is an enlarged view of the structure at B in fig. 1 according to the present invention.

In FIGS. 1-3: the pump body 1, first base shell 2, second base shell 3, sealing ring 4, output shaft end 5, gear 6, bolt pole 7, screw head 8, packing ring 9, inner chamber 10, spacing axle 11, butt joint groove 12, stabilizing bearing 13, sealing layer 14.

Detailed Description

As shown in figures 1 to 3:

the utility model provides a hydraulic gear pump, which comprises a pump body 1, wherein a first base shell 2 and a second base shell 3 are respectively arranged at two ends of the pump body 1 in a butt joint mode, a sealing ring 4 is fixedly connected to the outer side of the second base shell 3, an inner cavity 10 is fixedly arranged in the pump body 1, a gear 6 is embedded in the inner cavity 10, the gears 6 are transversely arranged integrally and are arranged in two groups vertically, the surfaces of the gears 6 are in a tooth-shaped embedded mode, an output shaft end 5 is fixedly connected to the outer end of the gear 6, a bolt rod 7 is embedded into the top ends of the first base shell 2, the second base shell 3 and the pump body 1, the outer end of the bolt rod 7 is fixedly connected with a screw head 8, a gasket 9 is fixedly sleeved on the rod body of the bolt rod 7, a limiting shaft 11 is fixedly connected to the inner end of the gear 6, a butt joint groove 12 is fixedly formed in the inner wall of the pump body 1, and a stable bearing 13 is embedded into the inner side of the butt joint groove 12, and sealing layers 14 are embedded in the butt joint positions of the first base shell 2, the second base shell 3 and the pump body 1.

Wherein, the fixed surface of second base shell 3 has seted up the opening, and sealing ring 4 sets up the open position in the second base shell 3 outside.

Wherein, the whole horizontal setting of output shaft end 5, the opening that runs through 3 surfaces of second base shell extends the setting outward, is connected with external drive equipment, thereby drives two sets of gears 6 gomphosis rotation each other through output bearing 5.

Wherein, the top of inner chamber 10 is "Z" form setting, and the outer end position is the binding off setting, and the extension setting is extended backward to the inner level, and when outside medium carried, be the headspace that "Z" form set up through inner chamber 10, outside medium after getting into the pump body 1, the difficult condition that appears leaking improves the volumetric efficiency of the pump body 1.

Wherein, the outer end angle position of first base shell 2, second base shell 3 and the both ends end angle position of the pump body 1 all are the setting of rectangle indent, when assembling the butt joint between 1 three with first base shell 2, second base shell 3 and the pump body, end angle position is the setting of indent, the grafting of the bolt pole 7 of being convenient for to the integral type carries out whole butt joint with the three and fixes, and convenient to detach.

Wherein, the whole horizontal setting of bolt pole 7 runs through the end angle indent position of first base shell 2, second base shell 3 and the pump body 1 simultaneously, thereby carries out the butt joint installation with first base shell 2, second base shell 3 and 1 three of the pump body through bolt pole 7, the integration before 1 structure of effectual reinforcing pump body and the drain pan structure.

Wherein, the packing ring 9 is located the end angle position at pump body 1 both ends simultaneously, sets up to the stereoplasm plastic ring, through the effectual reinforcing bolt pole 7 of packing ring 9 and the pump body 1 and the connection stability between the drain pan structure.

Wherein, spacing axle 11 transversely sets up, and the outer end embedding is in butt joint groove 12, and just spacing axle 11 cup joints with stabilizing bearing 13.

Wherein, the butt joint groove 12 is seted up at the inside outside surface of the pump body 2, through spacing axle 11 to support gear 6, thereby gear 6 is when the pivoted, thereby reduces the energy consumption that gear 6 rotated the production through stabilizing bearing 13, improves gear 6 pivoted sensitivity.

The working principle is as follows:

the concrete using-way and the effect of this embodiment, the user is with the pump body 1, when 3 three of first base shell 2 and second base shell install the butt joint, make the whole spiral of bolt pole 7 run through the pump body 1, the top end angular position of first base shell 2 and second base shell 3, cooperation sealing layer 14, thereby it is fixed to integrate whole gear pump, and overall structure dismantles simply, in the process of using, external drive equipment drives output shaft end 5 and rotates, thereby it rotates to drive the gomphosis each other of gear 6, gear 6 is when the pivoted, under the effect of stabilizing bearing 13, reduce the energy consumption that gear 6 rotated the production, reinforcing stability and sensitivity.

Claims

1. A hydraulic gear pump, comprising a pump body (1), characterized in that: the two ends of the pump body (1) are respectively provided with a first base shell (2) and a second base shell (3) in a butt joint mode, the outer side of the second base shell (3) is fixedly connected with a sealing ring (4), the inside of the pump body (1) is fixedly provided with an inner cavity (10), gears (6) are embedded into the inner cavity (10), the gears (6) are integrally and transversely arranged, two groups are vertically arranged, the surfaces of the gears are in a tooth-shaped embedded mode, the outer end of each gear (6) is fixedly connected with an output shaft end (5), the top ends of the first base shell (2), the second base shell (3) and the pump body (1) are embedded with a bolt rod (7), the outer end of the bolt rod (7) is fixedly connected with a screw head (8), a gasket (9) is fixedly sleeved on the rod body of the bolt rod (7), the inner end of each gear (6) is fixedly connected with a limiting shaft (11), the inner wall of the pump body (1) is fixedly provided with a butt joint groove (12), the inner side of the butt joint groove (12) is embedded with a stable bearing (13), and the butt joint positions of the first base shell (2), the second base shell (3) and the pump body (1) are embedded with a sealing layer (14).

2. The hydraulic gear pump of claim 1, wherein: the surface of the second base shell (3) is fixedly provided with an opening, and the sealing ring (4) is arranged at the opening position on the outer side of the second base shell (3).

3. The hydraulic gear pump of claim 1, wherein: the output shaft end (5) is integrally and transversely arranged, and an opening penetrating through the surface of the second base shell (3) extends outwards and is connected with external driving equipment.

4. The hydraulic gear pump of claim 1, wherein: the top of inner chamber (10) is "Z" form setting, and the outer end position is the binding off setting, and the level of inner extends the extension setting backward.

5. The hydraulic gear pump of claim 1, wherein: the outer end corner positions of the first base shell (2) and the second base shell (3) and the two end corner positions of the pump body (1) are all in rectangular concave arrangement.

6. The hydraulic gear pump of claim 1, wherein: the bolt rod (7) is integrally and transversely arranged and penetrates through the end angle concave positions of the first base shell (2), the second base shell (3) and the pump body (1) at the same time.

7. The hydraulic gear pump of claim 1, wherein: the gasket (9) is simultaneously positioned at the end angle positions of two ends of the pump body (1) and is set into a hard plastic ring.

8. The hydraulic gear pump of claim 1, wherein: the limiting shaft (11) is transversely arranged, the outer end of the limiting shaft is embedded into the butt joint groove (12), and the limiting shaft (11) is sleeved with the stabilizing bearing (13).

9. The hydraulic gear pump of claim 1, wherein: the butt joint groove (12) is formed in the inner outer side surface of the pump body (2).