CN110487344B

CN110487344B - Elliptic gear flowmeter

Info

Publication number: CN110487344B
Application number: CN201910803183.3A
Authority: CN
Inventors: 赵孔
Original assignee: Anhui Zhongyuan Instrument Co ltd
Current assignee: Anhui Zhongyuan Instrument Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-10-16
Anticipated expiration: 2039-08-28
Also published as: CN110487344A

Abstract

The invention discloses an elliptic gear flowmeter, and particularly relates to the field of flowmeters. According to the invention, through the arrangement of the joint, the outer ring, the mounting ring and the first magnetic button, when the flowmeter is mounted, people can pull the joint to drive the inner pipe at one end to be pulled out from the conveying pipe, the mounting ring is inserted into the joint, then the outer ring at the outer side of the joint is rotated, so that the first magnetic button at the inner wall of the outer ring corresponds to the second magnetic button at one end of the clamping column, the clamping column can be moved to one side by attraction force generated between the first magnetic button and the second magnetic button, the clamping column can penetrate through a connecting groove of the mounting ring, the second magnetic button at one end of the clamping column is adsorbed on the first magnetic button, the mounting ring is fixed, the mounting is completed, and the flowmeter is convenient to mount and dismount.

Description

Elliptic gear flowmeter

Technical Field

The present invention relates to the field of flowmeters, and more particularly, to an oval gear flowmeter.

Background

The elliptic gear flowmeter is a volume-type measuring instrument, mainly composed of metering shell, elliptic gear rotor and transmission component, and is used for continuously or discontinuously measuring and controlling liquid flow in pipeline. When the measured liquid enters the flowmeter through the pipeline, the pressure difference generated at the inlet and the outlet pushes the pair of gears to continuously rotate, the liquid which is measured by the crescent-shaped cavity is continuously conveyed to the outlet, and the product of the revolution of the elliptic gear and four times of the displacement of each time is the total amount of the measured liquid flow.

However, in practical use, the above technical solutions still have many disadvantages, for example, the conventional elliptic gear flowmeter is usually connected by using a fixing bolt during installation, and the installation process is troublesome and requires much time and labor.

Disclosure of Invention

In order to overcome the above defects in the prior art, an embodiment of the present invention provides an oval gear flowmeter, in which a joint, an outer ring, a mounting ring, and a first magnetic button are provided, when the flowmeter is installed, a person may pull the joint to drive an inner tube at one end to be pulled out from a conveying tube, insert the mounting ring into the joint, and then rotate the outer ring outside the joint, so that the first magnetic button on the inner wall of the outer ring corresponds to a second magnetic button at one end of a clamping column, an attractive force generated between the first magnetic button and the second magnetic button may move the clamping column to one side, the clamping column may pass through a connecting groove of the mounting ring, the second magnetic button at one end of the clamping column is adsorbed on the first magnetic button, and the mounting ring is fixed to complete installation, which is convenient for people to install and disassemble the flowmeter.

In order to achieve the purpose, the invention provides the following technical scheme: an elliptic gear flowmeter comprises a main body, wherein two conveying pipes are fixedly mounted at two ends of the main body and symmetrically arranged, a mounting frame is fixedly mounted at the top end of the main body, and a base is fixedly mounted at the bottom end of the main body;

one side of the conveying pipe is provided with a joint, the joint is movably connected with the conveying pipe, one side of the joint is fixedly connected with the inner pipe, one end of the inner pipe is fixedly provided with a slide block, the outer side of the joint is movably provided with an outer ring, the inside of the joint is provided with an installation ring, the inside of the joint is fixedly provided with an inner ring, the inner wall of the outer ring is fixedly provided with four first magnetic buttons, the four first magnetic buttons are annularly arranged, the inside of the installation ring is provided with a plurality of connecting grooves, the plurality of connecting grooves are annularly arranged, the outer surface of the joint is fixedly provided with a plurality of guide pillars, the plurality of guide pillars are annularly arranged, the inside of each guide pillar is fixedly provided with a second spring, the inside of each guide pillar is provided with a clamping column, one end of the second spring is fixedly connected with the clamping column, and the guide, a second magnetic button is fixedly arranged at one end of the clamping column;

two groups of elliptic gears are arranged in the main body and are in transmission connection with each other, a fixed plate is arranged at the front end of each elliptic gear, a bearing is arranged on one side of each fixed plate, and a connecting rod is arranged on one side of each elliptic gear;

the upper end fixed mounting of mounting bracket has solid fixed ring, gu fixed ring's inside fixed mounting has the flowmeter, the upper end of flowmeter is provided with the side cap, gu fixed ring's both sides are provided with two fixed buttons, two fixed button is symmetrical arrangement.

In a preferred embodiment, the inner tube is movably connected with the delivery pipe through a sliding block, and the first magnetic button and the second magnetic button have the same specification and size.

In a preferred embodiment, one end of the second magnetic button is the same as the connecting groove in size, and a movable ring is movably mounted at the bottom end of the outer surface of the base.

In a preferred embodiment, a support plate is arranged inside the movable ring, the movable ring is movably connected with the support plate through threads, an inner rod is fixedly arranged inside the base, and the support plate is sleeved on the outer surface of the inner rod.

In a preferred embodiment, two clamping blocks are fixedly mounted on two sides of the bearing, the two clamping blocks are symmetrically arranged, and the bearing is movably connected with the elliptic gear through the clamping blocks.

In a preferred embodiment, one end of the connecting rod is fixedly connected with the fixing plate, the connecting rod is movably connected with the elliptic gear through a bearing, a side plate is sleeved on the outer surface of the connecting rod, and a groove is formed in one side of the elliptic gear.

In a preferred embodiment, the side plate and the groove have the same size, the side plate is movably connected with the connecting rod, and the outer surface of the connecting rod is provided with a first spring on one side of the side plate.

In a preferred embodiment, one end of the first spring is fixedly connected with the side plate, an adjusting plate is arranged on one side of the outer surface of the connecting rod, and the other end of the first spring is fixedly connected with the adjusting plate.

In a preferred embodiment, a mounting plate is fixedly mounted at one end of the connecting rod, and the mounting plate is fixedly mounted inside the main body.

In a preferred embodiment, two side grooves are formed in two sides of the inside of the side cover, the two side grooves are symmetrically arranged, the fixing ring is fixedly connected with the flow meter through a fixing button, and one end of the fixing button is the same as the side grooves in specification and size.

The invention has the technical effects and advantages that:

1. according to the invention, through the arrangement of the joint, the outer ring, the mounting ring and the first magnetic button, when the flowmeter is mounted, people can pull the joint to drive the inner pipe at one end to be pulled out from the conveying pipe, the mounting ring is inserted into the joint, then the outer ring at the outer side of the joint is rotated, so that the first magnetic button at the inner wall of the outer ring corresponds to the second magnetic button at one end of the clamping column, the clamping column can be moved to one side by attraction force generated between the first magnetic button and the second magnetic button, the clamping column can penetrate through a connecting groove of the mounting ring, the second magnetic button at one end of the clamping column is adsorbed on the first magnetic button, the mounting ring is fixed, the mounting is completed, and the flowmeter is convenient to mount and dismount by people;

2. according to the invention, by arranging the mounting plate, the adjusting plate, the first spring and the connecting rod, when the flowmeter is used, water flow can enter from the conveying pipe on one side, the elliptic gear in the main body can start to rotate under the impact of water pressure, the elliptic gear can drive the bearing to rotate through the fixture block in the rotating process, the friction between the elliptic gear and the connecting rod can be reduced, when the elliptic gear is used, the first spring can push the side plate into one side of an ellipse, and the elliptic gear is fixed through the fixing plate and the side plate, so that the phenomenon of displacement in the using process of the elliptic gear is avoided, and the practicability of the flowmeter is increased;

3. by arranging the flowmeter, the side cover, the fixing button and the side groove, when the flow needs to be observed, people can open the side cover at the upper end of the flowmeter, observe the numerical value on the flowmeter, when the flowmeter is damaged and needs to be replaced, people can rotate the fixing button to enable one end of the fixing button to be separated from the side groove of the flowmeter, the limit relation between the fixing ring and the flowmeter is removed, then people can take the damaged flowmeter out of the fixing ring, when the flowmeter is installed, people can put a new flowmeter into the fixing ring to enable one end of the fixing button to correspond to the side groove of the flowmeter, then the fixing button is turned into the side groove to fix the flowmeter, and people can conveniently replace the flowmeter.

Drawings

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

Fig. 2 is a schematic view of the internal structure of the delivery pipe of the present invention.

Fig. 3 is a side view of a fitting of the present invention.

Fig. 4 is a schematic view of the installation structure of the joint and the installation ring of the present invention.

Fig. 5 is a schematic structural diagram of the base of the present invention.

Fig. 6 is an interior view of the base of the present invention.

Fig. 7 is a schematic view of the internal structure of the main body of the present invention.

Fig. 8 is a view showing an installation structure of the elliptic gear of the present invention.

Fig. 9 is a side view of a bearing of the present invention.

Fig. 10 is a schematic structural view of the flow meter of the present invention.

Fig. 11 is an installation structure view of the flow meter of the present invention.

The reference signs are: 1. a main body; 11. an elliptical gear; 12. a fixing plate; 13. a bearing; 14. a connecting rod; 15. a side plate; 16. a first spring; 17. an adjusting plate; 18. mounting a plate; 19. a clamping block; 2. a delivery pipe; 21. a joint; 211. an inner tube; 212. a slider; 22. an outer ring; 23. a mounting ring; 24. an inner ring; 25. a first magnetic button; 26. connecting grooves; 27. a guide post; 271. a second spring; 28. clamping the column; 29. a second magnetic button; 3. a mounting frame; 31. a fixing ring; 32. a flow meter; 33. a side cover; 34. a fixing button; 35. a side groove; 4. a base; 41. a movable ring; 42. a support plate; 43. an inner rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

According to the elliptic gear flowmeter shown in fig. 1-6, comprising a main body 1, two conveying pipes 2 are fixedly mounted at two ends of the main body 1, the two conveying pipes 2 are symmetrically arranged, a mounting frame 3 is fixedly mounted at the top end of the main body 1, a base 4 is fixedly mounted at the bottom end of the main body 1, a joint 21 is arranged at one side of each conveying pipe 2, the joint 21 is movably connected with the conveying pipes 2, one side of the joint 21 is fixedly connected with an inner pipe 211, a sliding block 212 is fixedly mounted at one end of the inner pipe 211, an outer ring 22 is movably mounted at the outer side of the joint 21, a mounting ring 23 is arranged inside the joint 21, an inner ring 24 is fixedly mounted inside the joint 21, four first magnetic buttons 25 are fixedly mounted on the inner wall of the outer ring 22, the four first magnetic buttons 25 are annularly arranged, a plurality of connecting grooves 26 are formed inside the mounting, the connecting grooves 26 are annularly arranged, a plurality of guide pillars 27 are fixedly mounted on the outer surface of the joint 21, the plurality of guide pillars 27 are annularly arranged, a second spring 271 is fixedly mounted inside the guide pillars 27, a clamping column 28 is arranged inside the guide pillars 27, one end of the second spring 271 is fixedly connected with the clamping column 28, the guide pillars 27 and the clamping column 28 are movably connected through the second spring 271, and one end of the clamping column 28 is fixedly mounted with a second magnetic button 29.

The implementation mode is specifically as follows: when the flowmeter is installed, a person can rotate the movable ring 41 at the bottom end of the base 4, push the support plate 42 out downwards through the threads on the inner wall of the movable ring 41, the support plate 42 can move downwards along the inner rod 43, so as to raise the height of the main body 1, so that the joints 21 at the two ends of the flowmeter correspond to the mounting ring 23 at one end of the water pipe, then the person can pull the joint 21 to pull the inner pipe 211 at one end out of the conveying pipe 2, insert the mounting ring 23 into the joint 21, then rotate the outer ring 22 outside the joint 21, so that the first magnetic button 25 on the inner wall of the outer ring 22 corresponds to the second magnetic button 29 at one end of the clamping column 28, the clamping column 28 can be moved to one side by the attraction force generated between the first magnetic button 25 and the second magnetic button 29, the clamping column 28 can pass through the connecting groove 26 of the mounting ring 23, the second magnetic button 29 at one end of the clamping column 28 is adsorbed on the first magnetic, the installation is completed, when the need is dismantled, people only need to rotate the outer ring 22, make first magnetic button 25 on the outer ring 22 stagger with second magnetic button 29, at this moment the second spring 271 in the guide pillar 27 can pull back card post 28 from the spread groove 26 of collar 23, the spacing relation to collar 23 between relieving, people of being convenient for install and dismantle the flowmeter, and is comparatively convenient.

According to the elliptic gear flowmeter shown in fig. 7-9, two sets of elliptic gears 11 are arranged inside the main body 1, the two sets of elliptic gears 11 are in transmission connection with each other, the front end of the elliptic gear 11 is provided with a fixed plate 12, one side of the fixed plate 12 is provided with a bearing 13, one side of the elliptic gear 11 is provided with a connecting rod 14, the inside of the movable ring 41 is provided with a supporting plate 42, the movable ring 41 is movably connected with the supporting plate 42 through threads, the inside of the base 4 is fixedly provided with an inner rod 43, the supporting plate 42 is sleeved on the outer surface of the inner rod 43, two sides of the bearing 13 are fixedly provided with two fixture blocks 19, the two fixture blocks 19 are symmetrically arranged, the bearing 13 is movably connected with the elliptic gear 11 through the fixture blocks 19, one end of the connecting rod 14 is fixedly connected with the fixed plate 12, the connecting rod 14 is, a side plate 15 is sleeved on the outer surface of the connecting rod 14, a groove is formed in one side of the elliptic gear 11, the size of the side plate 15 is the same as that of the groove, the side plate 15 is movably connected with the connecting rod 14, a first spring 16 is arranged on one side, located on the side of the side plate 15, of the outer surface of the connecting rod 14, one end of the first spring 16 is fixedly connected with the side plate 15, an adjusting plate 17 is arranged on one side, located on the first spring 16, of the outer surface of the connecting rod 14, the other end of the first spring 16 is fixedly connected with the adjusting plate 17, an installing plate 18 is fixedly installed at one end of the connecting rod 14, and the;

the implementation mode is specifically as follows: when the elliptical gear 11 is used, the side plate 15 can be pushed into one side of the elliptical gear 11 by the first spring 16, the elliptical gear 11 is fixed by the fixing plate 12 and the side plate 15, the phenomenon of displacement in the use process of the elliptical gear 11 is avoided, the practicability of the flowmeter is improved, when the elliptical gear 11 is loosened, the adjusting plate 17 on one side can be rotated by people, the adjusting plate 17 is pushed to one side along the connecting rod 14, the first spring 16 on the connecting rod 14 is extruded, so that the side plate 15 on one side of the first spring 16 is pushed, the elliptical gear 11 is fixed, is more convenient.

According to an oval gear flowmeter shown in fig. 10-11, the upper end of the mounting frame 3 is fixedly mounted with a fixing ring 31, a flow meter 32 is fixedly installed inside the fixing ring 31, a side cover 33 is provided at the upper end of the flow meter 32, two fixing buttons 34 are arranged on two sides of the fixing ring 31, the two fixing buttons 34 are symmetrically arranged, the inner tube 211 is movably connected with the delivery tube 2 through a sliding block 212, the first magnetic button 25 and the second magnetic button 29 have the same specification and size, one end of the second magnetic button 29 has the same size as the connecting groove 26, a movable ring 41 is movably mounted at the bottom end of the outer surface of the base 4, two side grooves 35 are arranged on two sides of the inner part of the side cover 33, the two side grooves 35 are symmetrically arranged, the fixed ring 31 is fixedly connected with the flow meter 32 through a fixed button 34, and one end of the fixed button 34 has the same specification and size with the side groove 35;

the implementation mode is specifically as follows: when the flow meter 32 is damaged and needs to be replaced, people can rotate the fixing button 34 to enable one end of the fixing button 34 to be separated from the side groove 35 of the flow meter 32, the fixing ring 31 and the flow meter 32 are released from the limit relation, then people can take the damaged flow meter 32 out of the fixing ring 31, when the flow meter 32 is installed, people can put a new flow meter 32 into the fixing ring 31 to enable one end of the fixing button 34 to correspond to the side groove 35 of the flow meter 32, then the fixing button 34 is rotated into the side groove 35 to fix the flow meter 32, and people can replace the flow meter 32 conveniently.

The working principle of the invention is as follows:

referring to the attached drawings 1-6 of the specification, when installing the flowmeter, one can rotate the movable ring 41 at the bottom end of the base 4, push the support plate 42 downwards through the screw thread on the inner wall of the movable ring 41, the support plate 42 will move downwards along the inner rod 43, thus raising the height of the main body 1, making the joints 21 at both ends of the flowmeter correspond to the installation ring 23 at one end of the water pipe, then one can pull the joint 21 to pull the inner pipe 211 at one end out of the delivery pipe 2, insert the installation ring 23 into the joint 21, then rotate the outer ring 22 outside the joint 21, making the first magnetic button 25 on the inner wall of the outer ring 22 correspond to the second magnetic button 29 at one end of the clamping column 28, the attraction force generated between the first magnetic button 25 and the second magnetic button 29 will move the clamping column 28 to one side, the clamping column 28 will pass through the connection groove 26 of the installation ring 23, the second magnetic button 29 at one end of the clamping column 28 is adsorbed on the first, fixing the mounting ring 23 to complete the mounting;

referring to the description and the accompanying drawings 7-9, when the elliptical gear type water-saving device is used, water flow can enter from the conveying pipe 2 on one side, the elliptical gear 11 inside the main body 1 can start to rotate under the impact of water pressure, the elliptical gear 11 can drive the bearing 13 to rotate through the fixture block 19 in the rotating process, friction between the elliptical gear 11 and the connecting rod 14 can be reduced, when the elliptical gear 11 is used, the first spring 16 can push the side plate 15 into one side of the elliptical gear 11, and the elliptical gear 11 is fixed through the fixing plate 12 and the side plate 15, so that the phenomenon of displacement in the using process of the elliptical gear 11 is avoided;

referring to fig. 10 to 11 of the specification, when the flow meter 32 is damaged and needs to be replaced, one may rotate the fixing knob 34 to separate one end of the fixing knob 34 from the side groove 35 of the flow meter 32, release the fixing ring 31 from the limit relation with the flow meter 32, and then one may take out the damaged flow meter 32 from the fixing ring 31, and at the time of mounting the flow meter 32, one may put a new flow meter 32 into the fixing ring 31 to make one end of the fixing knob 34 correspond to the side groove 35 of the flow meter 32, and then turn the fixing knob 34 into the side groove 35 to fix the flow meter 32.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. An oval gear flowmeter comprising a body (1), characterized in that: two conveying pipes (2) are fixedly installed at two ends of the main body (1), the two conveying pipes (2) are symmetrically arranged, an installation frame (3) is fixedly installed at the top end of the main body (1), and a base (4) is fixedly installed at the bottom end of the main body (1);

one side of the conveying pipe (2) is provided with a joint (21), the joint (21) is movably connected with the conveying pipe (2), one side of the joint (21) is fixedly connected with an inner pipe (211), one end of the inner pipe (211) is fixedly provided with a sliding block (212), the outer side of the joint (21) is movably provided with an outer ring (22), the inside of the joint (21) is provided with a mounting ring (23), the inside of the joint (21) is fixedly provided with an inner ring (24), the inner wall of the outer ring (22) is fixedly provided with four first magnetic buttons (25), the four first magnetic buttons (25) are annularly arranged, the inside of the mounting ring (23) is provided with a plurality of connecting grooves (26), the connecting grooves (26) are annularly arranged, the outer surface of the joint (21) is fixedly provided with a plurality of guide pillars (27), and the guide pillars (27) are annularly arranged, a second spring (271) is fixedly installed inside the guide post (27), a clamping column (28) is arranged inside the guide post (27), one end of the second spring (271) is fixedly connected with the clamping column (28), the guide post (27) is movably connected with the clamping column (28) through the second spring (271), and a second magnetic button (29) is fixedly installed at one end of the clamping column (28);

two groups of elliptic gears (11) are arranged in the main body (1), the two groups of elliptic gears (11) are in transmission connection with each other, a fixed plate (12) is arranged at the front end of each elliptic gear (11), a bearing (13) is arranged on one side of each fixed plate (12), and a connecting rod (14) is arranged on one side of each elliptic gear (11);

the upper end fixed mounting of mounting bracket (3) has solid fixed ring (31), the inside fixed mounting of solid fixed ring (31) has flow meter (32), the upper end of flow meter (32) is provided with side cap (33), the both sides of solid fixed ring (31) are provided with two fixed button (34), two fixed button (34) are symmetrical arrangement.

2. The oval gear flow meter of claim 1, wherein: the inner pipe (211) is movably connected with the conveying pipe (2) through a sliding block (212), and the first magnetic button (25) and the second magnetic button (29) are identical in specification and size.

3. The oval gear flow meter of claim 1, wherein: one end of the second magnetic button (29) is the same as the connecting groove (26) in specification and size, and a movable ring (41) is movably mounted at the bottom end of the outer surface of the base (4).

4. The oval gear flow meter of claim 3, wherein: the inside of activity ring (41) sets up backup pad (42), activity ring (41) passes through screw thread swing joint with backup pad (42), the inside fixed mounting of base (4) has interior pole (43), the surface of interior pole (43) is established in backup pad (42) cover.

5. The oval gear flow meter of claim 1, wherein: two clamping blocks (19) are fixedly mounted on two sides of the bearing (13), the two clamping blocks (19) are symmetrically arranged, and the bearing (13) is movably connected with the elliptic gear (11) through the clamping blocks (19).

6. The oval gear flow meter of claim 1, wherein: one end of the connecting rod (14) is fixedly connected with the fixing plate (12), the connecting rod (14) is movably connected with the elliptic gear (11) through a bearing (13), a side plate (15) is sleeved on the outer surface of the connecting rod (14), and a groove is formed in one side of the elliptic gear (11).

7. The oval gear flow meter of claim 6, wherein: the size of curb plate (15) and recess specification is the same, curb plate (15) and connecting rod (14) swing joint, the surface of connecting rod (14) is located one side of curb plate (15) and is provided with first spring (16).

8. The oval gear flow meter of claim 7, wherein: one end and curb plate (15) fixed connection of first spring (16), the surface of connecting rod (14) is located one side of first spring (16) and is provided with regulating plate (17), the other end and regulating plate (17) fixed connection of first spring (16).

9. The oval gear flow meter of claim 1, wherein: one end fixed mounting of connecting rod (14) has mounting panel (18), mounting panel (18) fixed mounting is in the inside of main part (1).

10. The oval gear flow meter of claim 1, wherein: two side grooves (35) are seted up to the inside both sides of side cap (33), two side grooves (35) are the symmetrical arrangement, fixed ring (31) and flowmeter (32) are through fixed button (34) fixed connection, the specification size of the one end of fixed button (34) and side groove (35) is the same.