CN216206707U - Vane type volume flowmeter - Google Patents
Vane type volume flowmeter Download PDFInfo
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- CN216206707U CN216206707U CN202122601521.0U CN202122601521U CN216206707U CN 216206707 U CN216206707 U CN 216206707U CN 202122601521 U CN202122601521 U CN 202122601521U CN 216206707 U CN216206707 U CN 216206707U
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Abstract
The utility model relates to a vane type volumetric flowmeter, which comprises a shell, a rotor assembly and a display device, wherein the rotor assembly is arranged in an inner cavity of the shell through a rotating shaft; the method is characterized in that: the display device adopts a modular structure and is fixedly arranged at the upper part of the shell, and a rotor output shaft of the rotor assembly is connected with a speed reducing device which consists of a gear and a transmission assembly; the transmission assembly is fixedly arranged on the shell through an upper fixing plate and a lower fixing plate, the gear is composed of a driving gear and a driven gear which are meshed with each other, the driving gear is fixedly arranged at the end part of the rotor output shaft, the driven gear is fixedly arranged in the middle of a transmission shaft of the transmission assembly, and a rotating speed signal transmission interface which is matched with the display device is arranged at the upper end of the transmission assembly. Meanwhile, the method is suitable for connecting a mechanical counter and an electronic display, and is good in universality and convenient for display mode interchange.
Description
Technical Field
The utility model relates to a liquid flowmeter, in particular to a positive displacement flowmeter. The utility model is suitable for the oil flowmeter of the gas station.
Background
The volumetric flowmeter is commonly used for measuring the oil mass of the oiling machine, the structure of the volumetric flowmeter generally comprises a shell, a rotor assembly and a display device, the rotor assembly is arranged in an inner cavity of the shell, a medium enters from an inlet of the shell and flows out from an outlet through an inner cavity to push the rotor assembly to rotate, the flow is measured according to the number of revolutions, and the display device adopts two display modes of a mechanical counter and an electronic display. The existing oiling machine flowmeter is composed of a mechanical counting structure and an electronic counting structure, the two structures are used for respectively and independently carrying out production management in production, when a user changes a display mode, the whole flowmeter needs to be replaced, and the product universality is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the vane type volume flowmeter with interchangeable display modes and good universality.
The technical scheme of the utility model comprises a shell, a rotor assembly and a display device, wherein the rotor assembly is arranged in an inner cavity of the shell through a rotating shaft; the method is characterized in that: the display device adopts a modular structure and is fixedly arranged at the upper part of the shell, and a rotor output shaft of the rotor assembly is connected with a speed reducing device which consists of a gear and a transmission assembly; the transmission assembly is fixedly arranged on the shell through an upper fixing plate and a lower fixing plate, the gear is composed of a driving gear and a driven gear which are meshed with each other, the driving gear is fixedly arranged at the end part of the rotor output shaft, the driven gear is fixedly arranged in the middle of a transmission shaft of the transmission assembly, and a rotating speed signal transmission interface which is matched with the display device is arranged at the upper end of the transmission assembly.
In the technical scheme, a planet wheel speed reducer is arranged between a transmission shaft and a display device, the planet wheel speed reducer comprises an upper mounting seat, a lower mounting seat, a driving rotating shaft, a driven rotating shaft, a steel ball and a steel ball inner ring, an outer cylindrical surface at the upper end of the upper mounting seat is fixedly mounted in a mounting hole of an upper fixed plate, the upper end of the lower mounting seat is connected with an outer cylindrical surface at the lower end of the upper mounting seat through an inner thread, an outer cylindrical surface at the lower end of the driving rotating shaft is mounted in the lower mounting seat through a bearing, an inner hole at the lower end is connected with the outer cylindrical surface at the upper end of the transmission shaft through an axial key/groove, the upper end of the driving rotating shaft extends into an inner cavity of the upper mounting seat, the steel ball is provided with a plurality of steel ball pressing rings, the steel ball pressing rings are uniformly pressed between the driving rotating shaft and the steel ball inner ring, the lower end of the driven rotating shaft is provided with a plurality of radial semicircular holes corresponding to the steel ball, and the driven rotating shaft is mounted in the upper mounting seat through a shaft sleeve, the radial semicircular hole is pressed on the steel ball, and the upper end of the driven rotating shaft is provided with a rotating speed signal connecting hole.
In the technical scheme, the upper end of the driving rotating shaft adopts a cone and a steel ball to form a stepless adjustor.
Compared with the prior art, the utility model has the beneficial effects that: the speed reducer is connected to the pivot output of rotor subassembly, and display device adopts modular structure, is equipped with the rotational speed signal transmission interface of mutually supporting between speed reducer and the display device, is applicable to the connection of mechanical counter and electronic display simultaneously, and the commonality is good, makes things convenient for the display mode to exchange.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: the rotor comprises a shell 1, a rotor assembly 2, a rotor output shaft 3, a driving gear 4, a transmission shaft 5, a driven gear 6, a lower mounting seat 7, a driving rotating shaft 8, a steel ball inner ring 9, a steel ball 10, a steel ball 11, a steel ball pressing ring 12, a driven rotating shaft 13, an upper mounting seat 13, a spring 14, a shaft sleeve 15, an upper fixing plate 16, a lower fixing plate 17 and an installation platform 18.
Detailed Description
The vane type volumetric flowmeter shown in fig. 1 comprises a housing 1, a rotor assembly 2 and a display device, wherein the rotor assembly 2 is arranged in an inner cavity of the housing 1 through a rotating shaft and a bearing; the method is characterized in that: the display device adopts a modular structure and is fixedly arranged on an installation platform 18 at the upper end of the shell 1 through screws, and a rotor output shaft 3 of the rotor assembly 2 is connected with a speed reducing device which consists of a gear and a transmission assembly; the transmission assembly is fixedly installed on the shell 1 through an upper fixing plate 16 and a lower fixing plate 17, the gear is composed of a driving gear 4 and a driven gear 6 which are meshed with each other, the driving gear 4 is fixedly installed at the end part of the rotor output shaft 3, the driven gear 6 is fixedly installed in the middle of a transmission shaft 5 of the transmission assembly, the lower end of the transmission shaft 5 is installed on the lower fixing plate 17 through a bearing, and a rotating speed signal transmission interface which is matched with a display device is arranged at the upper end of the transmission assembly. The rotating speed signal transmission interface can be connected with a rotating speed input shaft of the mechanical counter and also can be connected with a rotating speed signal sensor of the electronic display, so that the mechanical counter and the electronic display can be interchanged.
A planet wheel reducer is arranged between the transmission shaft 5 and the display device, the planet wheel reducer comprises an upper mounting seat 13, a lower mounting seat 7, a driving rotating shaft 8, a driven rotating shaft 12, a steel ball 10 and a steel ball inner ring 9, the outer cylindrical surface at the upper end of the upper mounting seat 13 is fixedly arranged on an upper fixing plate 16, the upper end of the lower mounting seat 7 is connected with the external thread on the outer cylindrical surface at the lower end of the upper mounting seat 13 through internal threads, the outer cylindrical surface at the lower end of the driving rotating shaft 8 is arranged in the lower mounting seat 7 through a bearing, the inner hole at the lower end is connected with the outer cylindrical surface at the upper end of the transmission shaft 5 through an axial key/groove, the driving rotating shaft 8 is driven by the transmission shaft 5 to rotate, the upper end of the driving rotating shaft 8 extends into the inner cavity of the upper mounting seat 13, the steel ball 10 is provided with a plurality of radial semicircular holes corresponding to the steel ball 10, the pressing rings 11 are uniformly pressed between the driving rotating shaft 8 and the inner cylindrical surface of the steel ball 9, the driven rotating shaft 12 is arranged in the upper mounting seat 13 through a shaft sleeve 15, a radial semicircular hole of the driven rotating shaft is pressed on the steel ball 10 to form a planet wheel speed reduction transmission device, the steel ball pressing ring 11 is tightly pressed between the steel ball 10 and the upper mounting seat 13 through the shaft sleeve 15 and a spring 14, and the upper end of the driven rotating shaft 12 is provided with a rotating speed signal connecting hole which can be connected with a rotating speed input shaft of a mechanical counter and can also be connected with a rotating speed signal sensor of an electronic display to realize the interchange of the mechanical counter and the electronic display.
The upper end of the driving rotating shaft 8 adopts a cone and a steel ball 10 to form a stepless adjuster, and the axial matching position of the steel ball 10 and the driving rotating shaft 8 is changed by adjusting the axial position of the lower mounting seat 7 on the upper mounting seat 13, so that the stepless adjustment of the speed ratio of the planetary gear speed reduction transmission device is realized.
Claims (3)
1. A vane type volumetric flowmeter comprises a shell (1), a rotor assembly (2) and a display device, wherein the rotor assembly (2) is arranged in an inner cavity of the shell (1) through a rotating shaft and a bearing; the method is characterized in that: the display device adopts a modular structure, is fixedly arranged on an installation platform (18) at the upper end of the shell (1) through screws, and a rotor output shaft (3) of the rotor assembly (2) is connected with a speed reducing device which consists of a gear and a transmission assembly; the transmission assembly is fixedly installed on the shell (1) through an upper fixing plate (16) and a lower fixing plate (17), the gear is composed of a driving gear (4) and a driven gear (6) which are meshed with each other, the driving gear (4) is fixedly installed at the end of the rotor output shaft (3), the driven gear (6) is fixedly installed in the middle of a transmission shaft (5) of the transmission assembly, and a rotating speed signal transmission interface matched with a display device is arranged at the upper end of the transmission assembly.
2. The vane type volumetric flow meter of claim 1, wherein: a planet wheel reducer is arranged between a transmission shaft (5) and a display device, the planet wheel reducer comprises an upper mounting seat (13), a lower mounting seat (7), a driving rotating shaft (8), a driven rotating shaft (12), a steel ball (10) and a steel ball inner ring (9), the outer cylindrical surface at the upper end of the upper mounting seat (13) is fixedly arranged on an upper fixing plate (16), the upper end of the lower mounting seat (7) is connected with the outer thread on the outer cylindrical surface at the lower end of the upper mounting seat (13) through an inner thread, the outer cylindrical surface at the lower end of the driving rotating shaft (8) is arranged in the lower mounting seat (7) through a bearing, the inner hole at the lower end is connected with the outer cylindrical surface at the upper end of the transmission shaft (5) through an axial key/groove, the upper end of the driving rotating shaft (8) extends into the inner cavity of the upper mounting seat (13), the steel ball (10) is provided with a plurality of steel ball pressing rings (11) which are uniformly pressed between the outer circumference of the driving rotating shaft (8) and the steel ball inner ring (9), the lower end of the driven rotating shaft (12) is provided with a radial semicircular hole corresponding to the steel ball (10), the driven rotating shaft (12) is installed in the upper installation seat (13) through a shaft sleeve (15), the radial semicircular hole is pressed on the steel ball (10), and the upper end of the driven rotating shaft (12) is provided with a rotating speed signal connection hole.
3. The vane type volumetric flowmeter of claim 2, wherein: the upper end of the driving rotating shaft (8) adopts a cone and a steel ball (10) to form a stepless adjuster structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122601521.0U CN216206707U (en) | 2021-10-28 | 2021-10-28 | Vane type volume flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122601521.0U CN216206707U (en) | 2021-10-28 | 2021-10-28 | Vane type volume flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216206707U true CN216206707U (en) | 2022-04-05 |
Family
ID=80891528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122601521.0U Active CN216206707U (en) | 2021-10-28 | 2021-10-28 | Vane type volume flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216206707U (en) |
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2021
- 2021-10-28 CN CN202122601521.0U patent/CN216206707U/en active Active
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