CN215213925U

CN215213925U - Integrated gear pump system

Info

Publication number: CN215213925U
Application number: CN202120728668.3U
Authority: CN
Inventors: 周文菊
Original assignee: Shitong Haitai Pump Industry Tianjin Co ltd
Current assignee: Shitong Haitai Pump Industry Tianjin Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-12-17
Anticipated expiration: 2031-04-12

Abstract

The utility model belongs to the technical field of the gear pump, especially as an organic whole gear pump system, including gear pump shell and rotate two intermeshing's gear of installing in the gear pump shell, the both ends of gear all set firmly integrated into one piece's gear shaft, the gear shaft with be equipped with the bearing between the gear pump shell, the gear shaft with pass through between the gear pump shell the bearing rotates to be connected, one of them the gear shaft integrated into one piece is connected with the transmission shaft; through the combination that sets up gear, flange, relief valve and flushing pipe, make gear, flange, relief valve and flushing pipe integrated into one piece, the material all adopts the stainless steel processing, makes whole gear pump have high strength, can adapt to the use of high viscosity fluid, sets up a relief valve that is used for sensing gear pump shell internal pressure in the inside of gear pump shell simultaneously to can play better protection effect to gear pump and actuating mechanism.

Description

Integrated gear pump system

Technical Field

The utility model belongs to the technical field of the gear pump, concretely relates to integral type gear pump system.

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 gears are 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, and the pressure of discharge outlet of gear pump is completely dependent on the resistance of pump outlet.

The gear pump system is generally that a set of motor, speed reducer are directly associative with the gear pump through the shaft coupling, and the both ends of gear pump still need connecting tube and flange, and the gear pump is at the course of the work, and inside gear shaft is in the operation, therefore the outlet side can not close the valve, otherwise can cause the damage that gear pump internal pressure is too big and leads to.

SUMMERY OF THE UTILITY MODEL

The utility model provides an integral type gear pump system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: integral type gear pump system installs including gear pump shell and rotation two intermeshing's in the gear pump shell gear, the both ends of gear have all set firmly integrated into one piece's gear shaft, the gear shaft with be equipped with the bearing between the gear pump shell, the gear shaft with pass through between the gear pump shell bearing swivelling joint, one of them gear shaft integrated into one piece is connected with the transmission shaft, the transmission shaft runs through the gear pump shell is connected with the transmission of outside actuating mechanism, the gear pump shell with the junction of transmission shaft is equipped with gland, be equipped with the sealing washer between gland and the gear pump shell, gland's inboard is equipped with relief valve and brake mechanism.

Preferably, the brake mechanism comprises a conical disc, a brake seat and a conical disc mounting seat, the brake seat is sleeved and fixed on the outer side wall of the transmission shaft, the conical disc is located on the inner side of the brake seat and is rotatably connected with the transmission shaft, one side of the conical disc mounting seat is fixedly connected with the conical disc, and the other end of the conical disc mounting seat is located at the action end of the safety valve, so that the conical disc is attached to or separated from the brake seat.

Preferably, a valve hole is formed in one side, corresponding to the conical disc mounting seat, of the safety valve, a spring is mounted in the valve hole, and the other end of the spring is fixedly connected with the conical disc mounting seat.

Preferably, the binding surfaces of the two bearings on the same side are both provided with extrusion grooves, and one side of the bearing close to the power input of the transmission shaft is provided with a V-shaped groove.

Preferably, the inlet end and the outlet end of the gear pump housing are respectively provided with a flushing pipe, and the flushing pipes and the gear pump housing are integrally formed and fixed.

Preferably, the inlet end and the outlet end of the flushing pipe are respectively provided with a flange, and the flanges and the flushing pipe are integrally formed and fixed.

Preferably, a gear tooth gap is formed between the two gears, an end cover is arranged outside the gear pump shell, and the end cover is fixedly connected with the gear pump shell in a threaded manner.

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

the utility model discloses in, through setting up the gear, flange, the combination of relief valve and flushing pipe, the integrative processing of part that will originally external installation comes out, make the gear, flange, relief valve and flushing pipe integrated into one piece, the material all adopts stainless steel processing, make whole gear pump have high strength, can adapt to high-viscosity fluid and use, set up a relief valve that is used for sensing gear pump shell internal pressure in the inside of gear pump shell simultaneously, and set up a brake mechanism on the transmission shaft, when the inside pressure of gear pump shell is higher, then can drive brake mechanism and brake the operation to the transmission shaft, outside actuating mechanism received the signal of telecommunication this moment, and the rotational speed is reduced, thereby can play better protecting effect to gear pump and actuating mechanism.

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 structural view of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic view of the structure of A-A in FIG. 2;

fig. 4 is an enlarged structural view of a portion B in fig. 3.

In the figure: 1. a gear pump housing; 11. a sealing gland; 111. a seal ring; 12. an end cap; 2. a drive shaft; 3. a flange; 4. a flush tube; 5. a gear; 501. the gap between the gear teeth; 51. a gear shaft; 52. a bearing; 521. extruding a ditch; 522. a V-shaped groove; 6. a brake mechanism; 61. a conical disc; 62. a brake seat; 63. a conical disc mounting seat; 7. a safety valve; 71. a valve bore; 72. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: integral type gear pump system, install two intermeshing's in gear pump casing 1 gear 5 including gear pump casing 1 and rotation, gear 5's both ends all set firmly integrated into one piece's gear shaft 51, be equipped with bearing 52 between gear shaft 51 and the gear pump casing 1, rotate through bearing 52 between gear shaft 51 and the gear pump casing 1 and be connected, one of them gear shaft 51 integrated into one piece is connected with transmission shaft 2, transmission shaft 2 runs through gear pump casing 1 and is connected with the transmission of external drive mechanism, gear pump casing 1 is equipped with gland 11 with the junction of transmission shaft 2, be equipped with sealing washer 111 between gland 11 and the gear pump casing 1, gland 11's inboard is equipped with relief valve 7 and brake mechanism 6.

In the embodiment, the gear 5, the connecting flange 3, the safety valve 7 and the flushing pipe 4 are combined to integrally process the parts which are externally installed originally, so that the gear 5, the connecting flange 3, the safety valve 7 and the flushing pipe 4 are integrally formed, the materials are all processed by stainless steel, the whole gear pump has the effects of high pressure and high curing and can be suitable for high-viscosity fluid, meanwhile, the safety valve 7 for sensing the internal pressure of the gear pump shell 1 is arranged in the gear pump shell 1, and the brake mechanism 6 is arranged on the transmission shaft 2, wherein the safety valve 7 can be electrically connected with an external driving mechanism, when the safety valve 7 senses that the internal pressure of the gear pump shell 1 is higher, the brake mechanism 6 can be driven to brake the transmission shaft 2, at the moment, the external driving mechanism receives an electric signal and reduces the rotating speed, thereby can play better protection effect to gear pump and actuating mechanism.

Specifically, the brake mechanism 6 includes a conical disc 61, a brake seat 62 and a conical disc mounting seat 63, the brake seat 62 is fixedly sleeved on the outer side wall of the transmission shaft 2, the conical disc 61 is located on the inner side of the brake seat 62, the conical disc 61 is rotatably connected with the transmission shaft 2, one side of the conical disc mounting seat 63 is fixedly connected with the conical disc 61, the other end of the conical disc mounting seat 63 is located at the action end of the safety valve 7, so that the conical disc 61 is attached to or detached from the brake seat 62, a valve hole 71 is formed in one side of the safety valve 7 corresponding to the conical disc mounting seat 63, a spring 72 is installed in the valve hole 71, the other end of the spring 72 is fixedly connected with the conical disc mounting seat 63, when in use, the brake seat 62 and the transmission shaft 2 rotate synchronously, the conical disc 61 and the brake seat 62 are in a detached state under normal pressure, the transmission shaft 2 can rotate normally, when the safety valve 7 detects that the pressure is higher, the safety valve 7 can be pushed to be close to the brake mechanism 6, the spring 72 extrudes the conical disc mounting seat 63, so that the conical disc 61 mounted on the conical disc mounting seat 63 is meshed with the brake seat 62 to generate larger friction resistance, thereby reducing the rotating speed of the transmission shaft 2, preventing the internal pressure of the gear pump from further rising, and preventing the driving mechanism from receiving electric signal speed reduction protection, and preventing the driving mechanism from receiving damage.

Specifically, crowded ditch 521 has all been seted up on the binding face of two bearings 52 with one side, V-arrangement groove 522 has been seted up to one side that is close to transmission shaft 2 power input on the bearing 52, teeth of a cogwheel clearance 501 has between two gears 5, gear pump housing 1's outside is equipped with end cover 12, end cover 12 is fixed with gear pump housing 1 spiro union, make things convenient for lubricating oil to enter into between bearing 52 and the gear 5 through setting up crowded ditch 521, frictional resistance can be reduced, the position that the gear chamber can be guaranteed to end cover 12 of setting is in encapsulated situation.

Specifically, the inlet end and the outlet end of the gear pump housing 1 are respectively provided with the flushing pipe 4, the flushing pipe 4 is fixed with the gear pump housing 1 in an integrated manner, the flushing pipe 4 is arranged in an integrated manner, the inside of the gear pump can be conveniently cleaned, and the strength is higher.

Specifically, the inlet end and the outlet end of the flushing pipe 4 are respectively provided with a flange 3, the flange 3 and the flushing pipe 4 are integrally formed and fixed, and the strength of the gear pump can be enhanced through the integrally formed flange 3, so that the gear pump is conveniently connected with an external pipeline.

The utility model discloses a theory of operation and use flow: when the gear pump is used, the flange 3 is connected with an external pipeline in a sealing manner, fluid enters the inside of the gear pump shell 1 through the flushing pipe 4 and flows out of the other end of the gear pump shell, the transmission shaft 2 is connected with an external driving mechanism, the driving mechanism drives the transmission shaft 2 to rotate, so that the gears 5 are meshed with each other to rotate, and a pumping effect is achieved on the fluid, the safety valve 7 used for sensing the internal pressure of the gear pump shell 1 is arranged inside the gear pump shell 1, and the brake mechanism 6 is arranged on the transmission shaft 2, wherein the safety valve 7 can be electrically connected with the external driving mechanism, when the safety valve 7 senses that the internal pressure of the gear pump shell 1 is higher, the brake mechanism 6 can be driven to brake the transmission shaft 2, at the moment, the external driving mechanism receives an electric signal to reduce the rotating speed, specifically, the brake base 62 and the transmission shaft 2 rotate synchronously, and the conical disc 61 and the brake base 62 are in a separation state under normal pressure, transmission shaft 2 can normal rotation, when relief valve 7 detects gear pump internal pressure when higher, then can promote relief valve 7 and be close to brake mechanism 6, at this moment, spring 72 extrudes awl dish mount pad 63, make awl dish 61 and the brake seat 62 intermeshing of installing on awl dish mount pad 63, produce great frictional resistance, thereby reduce the rotational speed of transmission shaft 2, prevent that gear pump internal pressure from further rising, and actuating mechanism also can receive the protection of signal of telecommunication deceleration, prevent that actuating mechanism from receiving the damage, thereby can play better protection effect to gear pump and actuating mechanism.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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. Integral type gear pump system, its characterized in that: comprises a gear pump shell (1) and two gears (5) which are rotatably arranged in the gear pump shell (1) and are meshed with each other, both ends of the gear (5) are fixedly provided with an integrally formed gear shaft (51), a bearing (52) is arranged between the gear shaft (51) and the gear pump shell (1), the gear shaft (51) is rotationally connected with the gear pump shell (1) through the bearing (52), one gear shaft (51) is integrally connected with a transmission shaft (2), the transmission shaft (2) penetrates through the gear pump shell (1) and is in transmission connection with an external driving mechanism, a sealing gland (11) is arranged at the joint of the gear pump shell (1) and the transmission shaft (2), a sealing ring (111) is arranged between the sealing gland (11) and the gear pump shell (1), and a safety valve (7) and a brake mechanism (6) are arranged on the inner side of the sealing gland (11).

2. The integrated gear pump system of claim 1, wherein: brake mechanism (6) are including awl dish (61), brake seat (62) and awl dish mount pad (63), brake seat (62) cover is established and is fixed on the lateral wall of transmission shaft (2), awl dish (61) are located the inboard of brake seat (62), just awl dish (61) with transmission shaft (2) rotate to be connected, one side of awl dish mount pad (63) with awl dish (61) fixed connection, the other end is located the action end of relief valve (7), so that awl dish (61) laminating or break away from brake seat (62).

3. The integrated gear pump system of claim 2, wherein: one side of the safety valve (7) corresponding to the conical disc mounting seat (63) is provided with a valve hole (71), a spring (72) is mounted in the valve hole (71), and the other end of the spring (72) is fixedly connected with the conical disc mounting seat (63).

4. The integrated gear pump system of claim 1, wherein: the binding surfaces of the two bearings (52) on the same side are provided with extrusion grooves (521), and one side of each bearing (52) close to the power input of the transmission shaft (2) is provided with a V-shaped groove (522).

5. The integrated gear pump system of claim 1, wherein: the inlet end and the outlet end of the gear pump shell (1) are respectively provided with a flushing pipe (4), and the flushing pipes (4) and the gear pump shell (1) are integrally formed and fixed.

6. The integrated gear pump system of claim 5, wherein: the inlet end and the outlet end of the flushing pipe (4) are respectively provided with a flange (3), and the flanges (3) and the flushing pipe (4) are integrally formed and fixed.

7. The integrated gear pump system of claim 1, wherein: two have tooth of a cogwheel clearance (501) between gear (5), gear pump shell (1)'s outside is equipped with end cover (12), end cover (12) with gear pump shell (1) spiro union is fixed.