CN214333902U - High-precision rotor flow meter - Google Patents

Abstract

The utility model discloses a high accuracy rotameter, including the body, the inside diameter from the top down of body reduces gradually, the equal fixedly connected with mounting flange of upper and lower end of body, installs indicating mechanism jointly between one side of mounting flange, and the inboard mid-mounting of body has metering mechanism, has seted up the through-hole on the lateral wall of one side upper end of body, and the internally mounted of through-hole has adjustment mechanism, and adjustment mechanism and indicating mechanism and metering mechanism are connected, have seted up the scale mark on one side outer wall of body, the beneficial effects of the utility model are that: the utility model discloses a body outside has set up indicating mechanism, and indicating mechanism is connected through adjustment mechanism and metering mechanism, can drive indicating mechanism's indicator board through adjustment mechanism during metering mechanism's rotor up-and-down motion in the body outside, and the position of rotor is known to the directional scale mark that the staff accessible was observed the indicator board, can avoid the condition of deviation to appear in the accommodation process to reach the effect of high accuracy.

Description

High-precision rotor flow meter

Technical Field

The utility model relates to a flowmeter technical field specifically is a high accuracy rotameter.

Background

The rotor flowmeter measures the fluid flow according to the throttling principle, but the flow area of the fluid is changed to keep the differential pressure above and below the rotor constant, so the rotor flowmeter is also called a variable flow area constant differential pressure flowmeter and is also called a float flowmeter.

Present rotor is located inside the body of flowmeter, and the scale mark is located the body outside of flowmeter for the deviation appears easily when the staff observes, has reduced the regulation precision of flowmeter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy rotameter 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: the utility model provides a high accuracy rotameter, includes the body, the inside diameter from the top down of body reduces gradually, the equal fixedly connected with mounting flange of the last lower extreme of body, install indicating mechanism jointly between one side of mounting flange, the inboard mid-mounting of body has metering mechanism, the through-hole has been seted up on the lateral wall of one side upper end of body, the internally mounted of through-hole has adjustment mechanism, adjustment mechanism and indicating mechanism and metering mechanism are connected, the scale mark has been seted up on one side outer wall of body.

Preferably, metering mechanism includes first mounting bracket and second mounting bracket, first mounting bracket and second mounting bracket respectively fixed connection are at the inside upper and lower extreme of body, the middle part of first mounting bracket and second mounting bracket is rotated jointly and is connected with the lifting screw, the middle part cover of lifting screw establishes and threaded connection has the rotor, four corners of rotor all runs through and sliding connection is at the locating lever, do not fixed connection is on first mounting bracket and second mounting bracket equally divided by the upper and lower end of locating lever, the first awl ring of fixedly connected with is established to the upper end cover of lifting screw.

Preferably, the adjusting mechanism comprises a rotating rod, the rotating rod penetrates through a sealing bearing and is fixedly connected inside the through hole, one end of the rotating rod, which is located inside the pipe body, is fixedly connected with a bevel gear, the bevel gear is meshed with a first bevel gear ring of the metering mechanism, and the rotating rod, which is located outside the pipe body, is sleeved on the outer wall of one end of the rotating rod, which is located outside the pipe body, and is fixedly connected with a second bevel gear ring.

Preferably, the rotating rod is located at one end outside the pipe body and is fixedly connected with a hand wheel, and the hand wheel is in a gear shape.

Preferably, indicating mechanism includes clamping screw, clamping screw rotates to be connected between mounting flange, clamping screw is located adjusting mechanism's the bull stick back, clamping screw's middle part cover is established and threaded connection has the indicator plate, overlap on clamping screw's the upper end outer wall and establish and fixedly connected with third awl ring gear, third awl ring gear and adjusting mechanism's second awl ring gear meshing are connected.

Preferably, the indicator panel is the arc structure, indicator panel joint and sliding connection are on the outer wall of body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a body outside has set up indicating mechanism, and indicating mechanism is connected through adjustment mechanism and metering mechanism, can drive indicating mechanism's indicator board through adjustment mechanism during metering mechanism's rotor up-and-down motion in the body outside, and the position of rotor is known to the directional scale mark that the staff accessible was observed the indicator board, can avoid the condition of deviation to appear in the accommodation process to reach the effect of high accuracy.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is an enlarged view of the area A in FIG. 1;

fig. 3 is a schematic external structural view of the present invention;

fig. 4 is a schematic view of the rotor structure of the present invention;

fig. 5 is a schematic view of the structure of the indicating plate of the present invention.

In the figure: 1. a pipe body; 2. installing a flange; 3. a metering mechanism; 31. a first mounting bracket; 32. a second mounting bracket; 33. a lifting screw; 34. a rotor; 35. positioning a rod; 36. a first bevel ring; 4. a through hole; 5. an adjustment mechanism; 51. a rotating rod; 52. sealing the bearing; 53. a bevel gear; 54. a second conical gear ring; 55. a hand wheel; 6. an indication mechanism; 61. fixing the screw rod; 62. a third bevel ring; 63. an indicator panel; 7. scale lines are marked.

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. 1-5, the present invention provides a technical solution: the utility model provides a high accuracy rotameter, including body 1, the inside diameter from the top down of body 1 reduces gradually, the equal fixedly connected with mounting flange 2 of the last lower extreme of body 1, install indicating mechanism 6 jointly between one side of mounting flange 2, the inboard mid-mounting of body 1 has metering mechanism 3, through-hole 4 has been seted up on one side upper end lateral wall of body 1, the internally mounted of through-hole 4 has adjustment mechanism 5, adjustment mechanism 5 is connected with indicating mechanism 6 and metering mechanism 3, scale mark 7 has been seted up on one side outer wall of body 1, can make things convenient for the staff to observe the operational aspect of metering mechanism 3 during the use.

The metering mechanism 3 comprises a first mounting frame 31 and a second mounting frame 32, the first mounting frame 31 and the second mounting frame 32 are respectively and fixedly connected with the upper end and the lower end inside the pipe body 1, the middle parts of the first mounting frame 31 and the second mounting frame 32 are jointly and rotatably connected with a lifting screw 33, the middle part of the lifting screw 33 is sleeved and in threaded connection with a rotor 34, four corners of the rotor 34 are respectively penetrated and in sliding connection with a positioning rod 35, the upper end and the lower end of the positioning rod 35 are respectively and fixedly connected with the first mounting frame 31 and the second mounting frame 32, the upper end of the lifting screw 33 is sleeved and fixedly connected with a first conical tooth ring 36, the flow of water passing through the pipe body 1 is conveniently measured, the adjusting mechanism 5 comprises a rotating rod 51, the rotating rod 51 is penetrated and fixedly connected inside the through hole 4 through a sealing bearing 52, one end of the rotating rod 51 positioned inside the pipe body 1 is fixedly connected with a bevel gear 53, the bevel gear 53 is meshed with the first conical tooth ring 36 of the metering mechanism 3, a hand wheel 55 is fixedly connected to one end of the rotating rod 51 positioned outside the pipe body 1, the hand wheel 55 is in a gear shape, a second conical ring gear 54 is sleeved and fixedly connected on the outer wall of one end of the rotating rod 51 positioned outside the pipe body 1 to connect the metering mechanism 3 and the indicating mechanism 6 together, so that the metering mechanism 3 can drive the indicating mechanism 6 to operate conveniently, the indicating mechanism 6 comprises a fixing screw 61, the fixing screw 61 is rotatably connected between the mounting flanges 2, the fixing screw 61 is positioned at the back of the rotating rod 51 of the adjusting mechanism 5, an indicating plate 63 is sleeved and connected in a threaded manner in the middle of the fixing screw 61, the indicating plate 63 is in an arc-shaped structure, the indicating plate 63 is clamped and slidably connected on the outer wall of the pipe body 1, a third conical ring gear 62 is sleeved and fixedly connected on the outer wall of the upper end of the fixing screw 61, the third conical ring gear 62 is meshed and connected with the second conical ring gear 54 of the adjusting mechanism 5, so that a worker can observe the position of the rotor 34 of the metering mechanism 3 conveniently, the flow rate of water passing through the pipe body 1 is known.

Specifically, when the utility model is used, the utility model is installed on a device in use, when in measurement, water flow enters the pipe body 1 from the lower end of the pipe body 1 and supports the rotor 34, the rotor 34 can drive the lifting screw 33 to rotate, the lifting screw 33 drives the bevel gear 53 to rotate through the first bevel gear ring 36, the bevel gear 53 drives the rotating rod 51 to rotate, the rotating rod 51 rotates the third bevel gear ring 62 through the second bevel gear ring 54, the third bevel gear ring 62 drives the fixed screw 61 to rotate, the fixed screw 61 drives the indicating plate 63 to slide towards the upper end of the pipe body 1, a worker can observe the scale mark 7 pointed by the indicating plate 63 to obtain a corresponding flow value, after the measurement is finished, the rotating rod 51 can be rotated through the hand wheel 55, the rotating rod 51 rotates the first bevel gear ring 36 through the bevel gear 53, the first bevel gear ring 36 drives the lifting screw 33 to synchronously rotate, the lifting screw 33 moves the rotor 34 to the inner lower end of the pipe body 1, in this process, the rotating rod 51 can drive the third bevel ring gear 62 to rotate through the second bevel ring gear 54, the third bevel ring gear 62 drives the fixing screw 61 to rotate, and the fixing screw 61 moves the indicating plate 63 to the lower end of the outer part of the pipe body 1, so that the pipe body is convenient to use next time.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a high accuracy rotameter, a serial communication port, including body (1), the inside diameter from the top down of body (1) reduces gradually, the equal fixedly connected with mounting flange (2) of the upper and lower end of body (1), install indicating mechanism (6) between one side of mounting flange (2) jointly, the inboard mid-mounting of body (1) has metering mechanism (3), through-hole (4) have been seted up on the one side upper end lateral wall of body (1), the internally mounted of through-hole (4) has adjustment mechanism (5), adjustment mechanism (5) and indicating mechanism (6) and metering mechanism (3) are connected, scale mark (7) have been seted up on the outer wall of one side of body (1).

2. A high accuracy rotameter as set forth in claim 1, wherein: metering mechanism (3) include first mounting bracket (31) and second mounting bracket (32), first mounting bracket (31) and second mounting bracket (32) are fixed connection respectively and go up the lower extreme in the inside of body (1), the middle part of first mounting bracket (31) and second mounting bracket (32) is rotated jointly and is connected with lifting screw (33), the middle part cover of lifting screw (33) is established and threaded connection has rotor (34), four corners of rotor (34) all run through and sliding connection is on locating lever (35), the upper and lower end of locating lever (35) is equallyd divide and is do not fixed connection on first mounting bracket (31) and second mounting bracket (32), the upper end cover of lifting screw (33) is established and the first awl ring gear (36) of fixedly connected with.

3. A high accuracy rotameter as set forth in claim 1, wherein: adjusting mechanism (5) include bull stick (51), bull stick (51) run through and fixed connection in the inside of through-hole (4) through sealed bearing (52), bull stick (51) are located the inside one end fixedly connected with bevel gear (53) of body (1), bevel gear (53) and the meshing of first awl ring gear (36) of metering mechanism (3) are connected, bull stick (51) are located the cover on the outside one end outer wall of body (1) and are established and fixedly connected with second awl ring gear (54).

4. A high accuracy rotameter as set forth in claim 3, wherein: the rotating rod (51) is located at one end, outside the pipe body (1), of the outer portion and is fixedly connected with a hand wheel (55), and the hand wheel (55) is in a gear shape.

5. A high accuracy rotameter as set forth in claim 1, wherein: indicating mechanism (6) includes clamping screw (61), clamping screw (61) rotate to be connected between mounting flange (2), clamping screw (61) are located bull stick (51) the back of adjustment mechanism (5), the middle part cover of clamping screw (61) is established and threaded connection has indicator plate (63), overlap on the upper end outer wall of clamping screw (61) and establish and fixedly connected with third awl ring gear (62), second awl ring gear (54) meshing connection of third awl ring gear (62) and adjustment mechanism (5).

6. A high accuracy rotameter as set forth in claim 5, wherein: indicator panel (63) are the arc structure, indicator panel (63) joint and sliding connection are on the outer wall of body (1).

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