CN210108448U - Elliptic gear flowmeter - Google Patents

Elliptic gear flowmeter Download PDF

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Publication number
CN210108448U
CN210108448U CN201920929489.9U CN201920929489U CN210108448U CN 210108448 U CN210108448 U CN 210108448U CN 201920929489 U CN201920929489 U CN 201920929489U CN 210108448 U CN210108448 U CN 210108448U
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CN
China
Prior art keywords
gear
flowmeter
flowmeter body
gear assembly
transmitter
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Active
Application number
CN201920929489.9U
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Chinese (zh)
Inventor
卢强
年亚东
张�浩
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Hefei Jingjie Instrument Co Ltd
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Hefei Jingjie Instrument Co Ltd
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Priority to CN201920929489.9U priority Critical patent/CN210108448U/en
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Abstract

The utility model relates to an elliptic gear flowmeter, inlet and liquid outlet including the flowmeter body and being located flowmeter body both ends, be connected with gear transmitter through the measurement room between inlet and the liquid outlet, gear transmitter both sides all are connected with the baffle that is located on the measurement room inner wall, the baffle has seted up two-way pipeline along the water flow direction of motion, gear transmitter includes the gear assembly, gear assembly top axial protrusion has the apron through the locating pin connection, apron one end is installed the hexagonal cylinder head screw through O type sealing washer and is locked, hexagonal cylinder head screw and O type sealing washer and shells inner wall form the seal chamber jointly, apron top center department installs the rotation axis that is connected with the gear assembly, the rotation axis runs through inside and is connected with the spring washer of casing. Has the advantages that: the utility model discloses sealed effectual, guaranteed the stable conveying between the structure, avoided long-time use and lead to liquid to enter into flow element.

Description

Elliptic gear flowmeter
Technical Field
The utility model relates to a flowmeter technical field, concretely relates to oval gear flowmeter.
Background
The elliptic gear flowmeter is one of positive displacement flowmeters, is used for precise continuous or discontinuous measurement of the flow rate or instantaneous flow rate of liquid in a pipeline, and is particularly suitable for the flow rate measurement of high-viscosity media such as heavy oil, polyvinyl alcohol, resin and the like. Oval gear flow meters utilize mechanical measuring elements to continuously divide the fluid into individual known volume portions, and measure the total volume of the fluid based on the number of times the metering chamber is successively and repeatedly filled and drained of that volume portion of fluid.
The prior elliptic gear flowmeter has the following problems in the working process:
1. due to long-term use, the rotating shaft and the transmission part cannot form a good sealing mechanism, so that liquid can enter the measuring element and affect the use of the wiring terminal.
2. Because user's requirement on the flowmeter, need use different business turn over liquid through-hole size to different flow sizes, so need exchange different discs that compress tightly, and traditional structure is fixed the setting, is unfavorable for the installation to dismantle.
Therefore, design a simple to operate, sealing performance is strong and the stable elliptic gear flowmeter of conveying is the utility model discloses a core place.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an elliptic gear flowmeter provides a sealing performance is strong and the stable elliptic gear flowmeter of conveying.
In order to realize the above purpose, the utility model discloses a technical scheme be: an elliptic gear flowmeter comprises a flowmeter body, a liquid inlet and a liquid outlet which are positioned at two ends of the flowmeter body, wherein a gear transmitter is connected between the liquid inlet and the liquid outlet through a metering chamber, two sides of the gear transmitter are both connected with a partition plate positioned on the inner wall of the metering chamber, the partition plate is provided with a bidirectional pipeline along the water flow motion direction, the gear transmitter comprises gear assemblies, the gear assemblies are symmetrically arranged at the center of a shell, an axial protruding part at the top end of each gear assembly is connected with a cover plate through a positioning pin, one end of each cover plate is provided with a hexagonal cylinder head screw through an O-shaped sealing ring for locking, the hexagonal cylinder head screw, the O-shaped sealing ring and the inner wall of the shell jointly form a sealing cavity, a rotating shaft connected with the gear assemblies is arranged at the center, the rotating shaft is fixedly connected with the letter sending disc through a sealed coupling, and a letter sender on the letter sending disc is in data connection with a binding post on the flowmeter body through a terminal.
Furthermore, locking bolts are installed at two ends of the outer wall of the flowmeter body and detachably connected with the flowmeter body, the locking bolts are close to the flowmeter body, a compression disc is installed on the flowmeter body, and the compression disc is installed according to the actual flow.
Furthermore, a short shaft is arranged between the gear assembly and the rotating shaft, and a graphite shaft sleeve is mounted on the short shaft.
Further, the O-shaped sealing ring and the elastic gasket are both made of rubber.
Further, the binding post is electrically connected with an instrument panel on the flowmeter body through a data line.
The technical effects of the utility model reside in that: inlet and liquid outlet through two-way pipeline setting on the flowmeter body, consequently can need not be respectively its business turn over direction, from arbitrary through-hole get into can, gear transmission carries out rotary transmission to gear assembly and rotation axis to liquid flow self, and carry out flow counting through letter dish, at last carry out real-time reflection with data through the panel board on transmitting the terminal, the gear assembly passes through the closure in the O type sealing washer realization space on the locating pin, the sealed effect of further increase through the sealed shaft coupling between rotation axis and the letter dish again, guarantee the leakproofness between the structure, thereby do not influence the count of flow component, such oval gear flowmeter has improved performance greatly, it is sealed effectual, guarantee the stable conveying between the structure, high application performance.
Drawings
FIG. 1 is a front view of an elliptical gear flow meter according to the present invention;
FIG. 2 is a top view of the oval gear flow meter of the present invention;
fig. 3 is a schematic sectional view of the gear transmitter of the present invention in the front view direction.
Reference numerals: 1-a flow meter body; 2-liquid inlet; 3-a liquid outlet; 4-a gear transmitter; 5-a gear assembly; 6-a shell; 7-a positioning pin; 8-cover plate; 9-O type sealing ring; 10-hexagonal socket head screw; 11-a sealed cavity; 12-a rotating shaft; 13-a resilient washer; 14-a sealed coupling; 15-locking bolts; 16-a compacting plate; 17-minor axis.
Detailed Description
Referring to the attached drawings 1-3, an elliptic gear flowmeter comprises a flowmeter body 1, a liquid inlet 2 and a liquid outlet 3 which are positioned at two ends of the flowmeter body 1, a gear transmitter 4 is connected between the liquid inlet 2 and the liquid outlet 3 through a metering chamber 3, two sides of the gear transmitter 4 are both connected with a baffle plate positioned on the inner wall of the metering chamber 3, the baffle plate is used as a structural connecting piece of the metering chamber 3 to prevent liquid from leaking and influence the use of other elements, the baffle plate is provided with a bidirectional pipeline along the water flow motion direction, the gear transmitter 4 comprises gear assemblies 5, the gear assemblies 5 are symmetrically arranged at the center of a shell 6, an axial protruding part at the top end of the gear assembly 5 is connected with a cover plate 8 through a positioning pin 7, one end of the cover plate 8 is locked by a cylindrical hexagon, the hexagonal socket head cap screw 10, the O-shaped sealing ring 9 and the inner wall of the shell 6 jointly form a sealing cavity 11, a rotating shaft 12 connected with the gear assembly 5 is installed at the center of the top end of the cover plate 8, the rotating shaft 12 penetrates through the inside of the shell 6 and is connected with an elastic washer 13, the rotating shaft 12 is fixedly connected with a transmitting disc through a sealing coupler 14, and a transmitter on the transmitting disc is in data connection with a binding post on the flowmeter body 1 through a terminal.
Preferably, locking bolt 15 is all installed at flowmeter body 1 outer wall both ends, locking bolt 15 is connected for dismantling with flowmeter body 1, just locking bolt 15 is close to install on the flowmeter body 1 and compress tightly dish 16, compress tightly dish 16 and select the installation according to actual flow size.
Preferably, gear transmitter 4 both sides all are connected with and are located baffle on the 3 inner walls of measurement room, two-way pipeline has been seted up along rivers direction of motion to the baffle, and two-way pipeline can be with no matter liquid inlet or the leading-in transmission of liquid outlet to gear transmitter 4, discharges from the other end again.
Preferably, the gear assemblies 5 are symmetrically arranged at the center of the shell 6, the axial protruding part at the top end of the gear assemblies 5 is connected with a cover plate 8 through a positioning pin 7, one end of the cover plate 8 is provided with a hexagonal head screw 10 through an O-shaped sealing ring 9 for locking, the positioning pin on the axial protruding part on the gear assemblies 5 not only enables the gear assemblies to realize good clamping and positioning, but also can stably convey power to the rotating shaft 12, the hexagonal head screw 9 and the O-shaped sealing ring 10 outside the rotating shaft and the inner wall of the shell 6 jointly form a sealing cavity 11 which can better form a closed space, prevent liquid from being sucked into a flow element and avoid influencing counting, the transmitting plate obtains real-time cutting signals of the rotating shaft 12 and transmits the cutting signals to the transmitter, the transmitter converts the cutting signals into speed-proportional pulse signals and transmits data to the binding post through a terminal, and finally, displaying and recording data through an instrument panel.
Preferably, a stub shaft 17 is arranged between the gear assembly 5 and the rotating shaft 12, a graphite shaft sleeve is mounted on the stub shaft 17, and the graphite shaft sleeve on the stub shaft 17 can generate a good temperature-resistant protection effect when a structural member runs at a high speed to generate a high temperature.
Preferably, the O-ring 9 and the elastic washer 13 are made of rubber.
Preferably, the wiring terminal is electrically connected with an instrument panel on the flowmeter body through a data line, and the instrument panel finally reacts out the pulse signal on the message sending disc.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides an elliptic gear flowmeter, includes flowmeter body (1) and is located inlet (2) and liquid outlet (3) at flowmeter body (1) both ends, its characterized in that, be connected with gear transmitter (4) through the measurement room between inlet (2) and liquid outlet (3), gear transmitter (4) both sides all are connected with and are located baffle on the measurement room inner wall, the baffle has seted up two-way pipeline along the rivers direction of motion, gear transmitter (4) include gear assembly (5), gear assembly (5) symmetry sets up at casing (6) center, gear assembly (5) top axial bulge is connected with apron (8) through locating pin (7), hexagonal cylinder head screw (10) are installed through O type sealing washer (9) to apron (8) one end and are locked, hexagonal cylinder head screw (10) and O type sealing washer (9) and casing (6) inner wall form close jointly Seal chamber (11), apron (8) top center department install with rotation axis (12) that gear assembly (5) are connected, rotation axis (12) run through casing (6) are inside and are connected with elastic washer (13), through sealed shaft coupling (14) fixed connection between rotation axis (12) and the letter transmission dish, the letter transmission ware on the letter transmission dish through the terminal with data connection is carried out to the terminal on flowmeter body (1).
2. The elliptic gear flowmeter of claim 1, characterized in that locking bolts (15) are mounted at both ends of the outer wall of the flowmeter body (1), the locking bolts (15) are detachably connected with the flowmeter body (1), a pressing disc (16) is mounted on the locking bolts (15) close to the flowmeter body (1), and the pressing disc (16) is selectively mounted according to the actual flow.
3. Elliptical gear flow meter according to claim 1, characterized in that a stub shaft (17) is provided between the gear assembly (5) and the rotational shaft (12), which stub shaft (17) is fitted with a graphite bushing.
4. Elliptical gear flow meter according to claim 1, characterized in that the O-ring (9) and the resilient washer (13) are made of rubber.
5. The oval gear flow meter of claim 1 wherein said terminal post is electrically connected to a gauge panel on said flow meter body by a data cable.
CN201920929489.9U 2019-06-20 2019-06-20 Elliptic gear flowmeter Active CN210108448U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920929489.9U CN210108448U (en) 2019-06-20 2019-06-20 Elliptic gear flowmeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920929489.9U CN210108448U (en) 2019-06-20 2019-06-20 Elliptic gear flowmeter

Publications (1)

Publication Number Publication Date
CN210108448U true CN210108448U (en) 2020-02-21

Family

ID=69564819

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920929489.9U Active CN210108448U (en) 2019-06-20 2019-06-20 Elliptic gear flowmeter

Country Status (1)

Country Link
CN (1) CN210108448U (en)

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