CN211422842U - Difluoroethane crude product feed pump - Google Patents

Abstract

The utility model belongs to the technical field of charge pump, especially, be a difluoroethane crude charge pump, including motor, the pump body, gear box and locating plate, driving gear and driven gear are installed to the inside of gear box, the tip of motor is provided with the output shaft, and output shaft and driving gear fixed connection, the tip of the pump body is fixed with the driven shaft, and driven shaft and driven gear fixed connection, the inside of gear box still rotates and is connected with planetary gear; through the gear box of installation between motor and the gear box, be convenient for carry out speed control through gear box internally mounted's driving gear, driven gear and planetary gear, moment when guaranteeing the driven shaft rotation of the installation of pump body tip, planetary gear installs between driving gear and driven gear simultaneously, and the tooth on planetary gear surface meshes with the tooth on driving gear and driven gear surface respectively mutually, has increased the driving gear and has had driven gear pivoted stability through planetary gear drive.

Description

Difluoroethane crude product feed pump

Technical Field

The utility model belongs to the technical field of the charge pump, concretely relates to difluoroethane crude charge pump.

Background

Difluoroethane feed pumps, apparatus for the delivery or pressurization of difluoroethane, molecular formula C2H4F2, molecular weight 66.05, are primarily useful as refrigerants, aerosol propellants and organic synthesis intermediates. Traditional difluoroethane charge pump is when using, and the output shaft of motor directly improves power for the driven shaft of the pump body, and power loss is too big when causing the charge pump to start, and the too big damage that causes of torsion between output shaft and the driven shaft simultaneously, the charge pump installation with dismantle not convenient problem simultaneously.

Disclosure of Invention

To solve the problems set forth in the background art described above. The utility model provides a difluoroethane crude charge-in pump has that the transmission is stable between the motor and the pump body, and the charge-in pump installation is simultaneously with dismantle convenient characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a difluoroethane crude charge pump, includes the motor, the pump body, gear box and locating plate, the gear box sets up between the motor and the pump body, the upper surface at the locating plate is all fixed to motor, the pump body and gear box, the internally mounted of gear box has driving gear and driven gear, the tip of motor is provided with the output shaft, and output shaft and driving gear fixed connection, the end fixing of the pump body has the driven shaft, and driven shaft and driven gear fixed connection, the inside of gear box still rotates and is connected with planetary gear, the tooth on planetary gear surface meshes with the tooth on driving gear and driven gear surface respectively mutually.

As the utility model discloses a preferred technical scheme of difluoroethane crude charge-pump, the below of locating plate is provided with the backup pad, the groove of installation locating plate is seted up to the backup pad upper surface, the constant head tank has been seted up on the surface of backup pad, the both ends integrated into one piece of locating plate has the locating piece, the inside at the constant head tank is installed to the locating piece, the junction of constant head tank and locating piece is provided with the magnet inserted bar.

As the utility model discloses a preferred technical scheme of difluoroethane crude charge-in pump, the lower extreme of magnet inserted bar passes the upper surface and the locating piece of backup pad in proper order, and the upper end integrated into one piece of magnet inserted bar has the pull ring.

As the utility model discloses a preferred technical scheme of difluoroethane crude charge pump, the inside planetary gear who sets up of gear box is provided with four altogether, four planetary gear encircles the setting about the center of driving gear.

As the utility model discloses a preferred technical scheme of difluoroethane crude charge pump, the tooth size that driving gear, driven gear and planetary gear surface set up equals.

As the utility model discloses a preferred technical scheme of difluoroethane crude charge-in pump, output shaft and driven shaft all rotate with the gear box through the bearing and are connected.

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

1. through the gear box of installation between motor and the gear box, be convenient for carry out speed control through gear box internally mounted's driving gear, driven gear and planetary gear, moment when guaranteeing the driven shaft of pump body tip installation to rotate, planetary gear installs between driving gear and driven gear simultaneously, and the tooth on planetary gear surface meshes with the tooth on driving gear and driven gear surface respectively mutually, increased the driving gear and had driven gear pivoted stability through planetary gear drive, improved the driven shaft pivoted convenience of motor area pump body tip.

2. The locating plate passes through constant head tank, locating piece and magnet inserted bar and installs the inslot portion of seting up in the backup pad upper surface, and the locating piece is installed in the inside of constant head tank simultaneously, and the lower extreme of magnet inserted bar passes the upper surface and the locating piece of backup pad, and the installation and the dismantlement of the locating plate and backup pad of being convenient for have increased the convenience of dismouting when charge pump uses.

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 view of the sectional structure of the gear box according to the present invention;

fig. 3 is a schematic cross-sectional structure of the present invention;

FIG. 4 is a schematic structural view of the motor, the positioning plate and the supporting plate of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4;

in the figure: 1. a motor; 2. a pump body; 3. a gear case; 4. positioning a plate; 5. a support plate; 6. an output shaft; 7. a driven shaft; 8. a driving gear; 9. a driven gear; 10. a planetary gear; 11. positioning a groove; 12. positioning blocks; 13. magnet inserted bar.

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.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a difluoroethane crude charge pump, which comprises a motor 1, the pump body 2, gear box 3 and locating plate 4, gear box 3 sets up between motor 1 and the pump body 2, motor 1, the upper surface at locating plate 4 is all fixed to the pump body 2 and gear box 3, gear box 3's internally mounted has driving gear 8 and driven gear 9, motor 1's tip is provided with output shaft 6, and output shaft 6 and driving gear 8 fixed connection, the end fixing of the pump body 2 has driven shaft 7, and driven shaft 7 and driven gear 9 fixed connection, gear box 3's inside still rotates and is connected with planetary gear 10, the tooth on planetary gear 10 surface meshes with the tooth on driving gear 8 and driven gear 9 surfaces respectively mutually.

In this embodiment, through the gear box 3 of installation between motor 1 and the gear box 3, be convenient for carry out speed control through the driving gear 8 of 3 internally mounted of gear box, driven gear 9 and planetary gear 10, moment when guaranteeing the driven shaft 7 of 2 tip installations of the pump body rotates, planetary gear 10 installs between driving gear 8 and driven gear 9 simultaneously, and the tooth on planetary gear 10 surface meshes with the tooth on driving gear 8 and driven gear 9 surface respectively mutually, it takes driven gear 9 pivoted stability to have increased driving gear 8 through planetary gear 10, the driven shaft 7 pivoted convenience of the driven shaft 7 of the 2 tip of the pump body of motor 1 area has been improved.

Specifically, the below of locating plate 4 is provided with backup pad 5, the groove of installation locating plate 4 has been seted up to backup pad 5 upper surface, constant head tank 11 has been seted up on the surface of backup pad 5, the both ends integrated into one piece of locating plate 4 has locating piece 12, locating piece 12 is installed in the inside of constant head tank 11, the junction of constant head tank 11 and locating piece 12 is provided with magnet inserted bar 13, the lower extreme of magnet inserted bar 13 passes the upper surface and the locating piece 12 of backup pad 5 in proper order, and the upper end integrated into one piece of magnet inserted bar 13 has the pull ring.

In this embodiment, locating plate 4 passes through constant head tank 11, locating piece 12 and magnet inserted bar 13 and installs the inslot portion of seting up at backup pad 5 upper surface, and locating piece 12 installs the inside at constant head tank 11 simultaneously, and the lower extreme of magnet inserted bar 13 passes backup pad 5's upper surface and locating piece 12, and the installation and the dismantlement of locating plate 4 and backup pad 5 of being convenient for have increased the convenience of dismouting when the charge pump uses.

Specifically, the number of the planetary gears 10 provided inside the gear case 3 is four, and the four planetary gears 10 are provided around the center of the drive gear 8.

In this embodiment, the four planetary gears 10 are disposed around the center of the driving gear 8, so that the stability of the transmission between the driving gear 8 and the driven gear 9 is increased.

Specifically, the teeth arranged on the surfaces of the driving gear 8, the driven gear 9 and the planet gear 10 are equal in size.

In this embodiment, the teeth arranged on the surfaces of the driving gear 8, the driven gear 9 and the planet gear 10 are equal in size, so that the teeth arranged on the surfaces of the driving gear 8, the driven gear 9 and the planet gear 10 are meshed with each other conveniently.

Specifically, the output shaft 6 and the driven shaft 7 are both rotationally connected with the gear box 3 through bearings.

In the embodiment, the output shaft 6 and the driven shaft 7 are rotationally connected with the gear box 3 through bearings,

the utility model discloses a theory of operation and use flow: when in installation, the output shaft 6 is rotationally connected with the gear box 3 through a bearing, and the driving gear 8 is fixed at the end part of the output shaft 6, and the planetary gear 10 is rotatably installed inside the gear case 3, so that the driving gear 8 is engaged with the planetary gear 10, meanwhile, a driven gear 9 is fixed at the end part of the driven shaft 7 and rotationally connects the driven shaft 7 with the gear box 3, meanwhile, the driven gear 9 is meshed with the planet gear 10, the motor 1, the pump body 2 and the gear box 3 are arranged on the upper surface of the positioning plate 4 through bolts, when in use, the supporting plate 5 is firstly arranged at a proper position, the positioning plate 4 is arranged inside a groove formed on the upper surface of the supporting plate 5, meanwhile, a positioning block 12 integrally formed on the surface of the positioning plate 4 is installed inside the positioning groove 11, and the lower end of the magnet insertion rod 13 penetrates through the upper surface of the supporting plate 5 and the positioning block 12, so that the positioning plate 4 is fixedly connected with the supporting plate 5.

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 (6)

1. The utility model provides a difluoroethane crude charge pump, includes motor (1), the pump body (2), gear box (3) and locating plate (4), gear box (3) set up between motor (1) and the pump body (2), motor (1), the pump body (2) and gear box (3) are all fixed at the upper surface of locating plate (4), its characterized in that: the utility model discloses a gear box, including gear box (3), the internally mounted of gear box (3) has driving gear (8) and driven gear (9), the tip of motor (1) is provided with output shaft (6), and output shaft (6) and driving gear (8) fixed connection, the end fixing of the pump body (2) has driven shaft (7), and driven shaft (7) and driven gear (9) fixed connection, the inside of gear box (3) still rotates and is connected with planetary gear (10), the tooth on planetary gear (10) surface meshes with the tooth on driving gear (8) and driven gear (9) surface respectively mutually.

2. A crude difluoroethane feed pump as set forth in claim 1, wherein: the below of locating plate (4) is provided with backup pad (5), the groove of installation locating plate (4) is seted up to backup pad (5) upper surface, constant head tank (11) have been seted up on the surface of backup pad (5), the both ends integrated into one piece of locating plate (4) has locating piece (12), the inside at constant head tank (11) is installed in locating piece (12), the junction of constant head tank (11) and locating piece (12) is provided with magnet inserted bar (13).

3. A crude difluoroethane feed pump as set forth in claim 2, wherein: the lower end of the magnet inserted rod (13) sequentially penetrates through the upper surface of the supporting plate (5) and the positioning block (12), and a pull ring is integrally formed at the upper end of the magnet inserted rod (13).

4. A crude difluoroethane feed pump as set forth in claim 1, wherein: the four planetary gears (10) arranged inside the gear box (3) are arranged, and the four planetary gears (10) are arranged around the center of the driving gear (8).

5. A crude difluoroethane feed pump as set forth in claim 1, wherein: the sizes of the teeth arranged on the surfaces of the driving gear (8), the driven gear (9) and the planet gear (10) are equal.

6. A crude difluoroethane feed pump as set forth in claim 1, wherein: the output shaft (6) and the driven shaft (7) are rotationally connected with the gear box (3) through bearings.

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