CN216746268U

CN216746268U - Flow meter

Info

Publication number: CN216746268U
Application number: CN202220058801.3U
Authority: CN
Inventors: 项小东; 李雪松
Original assignee: Wenzhou Dingcheng Electronic Technology Co ltd
Current assignee: Wenzhou Dingcheng Electronic Technology Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-06-14
Anticipated expiration: 2032-01-11

Abstract

The utility model discloses a flowmeter in the technical field of automobile parts, which comprises a column casing and wing plates, wherein a connecting cylinder is integrally formed on the outer wall of one side of the column casing, a mounting plate is welded on the outer side wall of the connecting cylinder, which is far away from the other end of the column casing, a column groove is formed on the inner side wall of the connecting cylinder, which is close to the mounting plate, a socket is integrally formed at the center of the outer wall of one side of the wing plates, an inserting column is welded on the outer wall of the other side of the wing plates, which is far away from the socket, and a probe which is electrically connected with the socket is installed at the other end of the inserting column, which is far away from the wing plates, through screws. According to the utility model, after the wing plate and the mounting plate are fixedly connected through the bolt, the inserting column is inserted into the column groove, and the abutting ring cylinder pushes the sealing ring to be attached to the inserting column through the ring plate under the action of the limiting plate and the spring, so that the probe penetrates through the connecting cylinder and extends to the inside of the column cylinder, and is more compact and stable, the sealing property of the connecting cylinder is well improved, and the accuracy of air flow data detection is further improved.

Description

Flow meter

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a flowmeter.

Background

An air flow meter (also called as an air flow sensor) is an important sensor of an electric control fuel injection system of an automobile and is used for measuring the air inflow so as to determine the fuel injection quantity and form a combustible mixer with proper concentration. The operating principle of the hot-wire air flow meter is basically the same as that of the hot-wire air flow meter. The heating body of the hot film type air flow meter does not directly bear the acting force generated by the air flow, thereby improving the strength and the working reliability of the heating body, and the hot film type air flow meter has simple structure, long service life and difficult dust pollution.

At present, the leakproofness of hot membrane air flow meter probe junction is relatively poor, leads to very easily that the detected data is inaccurate, and simultaneously, hot membrane air flow meter can't carry out fine filtration to the air that gets into, leads to the dust to get into very easily, has reduced the accurate nature of probe detected data.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a flow meter that solves the problems set forth in the background above.

In order to achieve the purpose, the utility model provides the following technical scheme:

the flowmeter comprises a column casing and a wing plate, wherein a connecting cylinder is integrally formed on the outer wall of one side of the column casing, a mounting plate is welded on the outer wall, away from the other end of the column casing, of the connecting cylinder, a column groove is formed in the inner wall, close to the mounting plate, of the connecting cylinder, a socket is integrally formed at the center of the outer wall of one side of the wing plate, an inserting column is welded on the outer wall of the other side, away from the socket, of the wing plate, a probe which is electrically connected with the socket is installed at the other end, away from the wing plate, of the inserting column through a screw, the inserting column is inserted into the column groove, the probe extends into the column casing, an annular groove is formed in the inner wall of one end of the column groove, a supporting ring casing is inserted into the annular groove, a limiting plate is welded on one side, located inside the annular groove, of the supporting ring casing, a spring is welded on the outer wall of the other side, away from the limiting plate, away from the supporting ring casing, and one side of the abutting ring cylinder, which is positioned in the column groove, is welded with a ring plate, and the ring plate is attached to the inserted column.

As a further scheme of the utility model: the sealing ring is bonded on the outer wall of the other side of the ring plate, which is far away from the abutting ring cylinder, through holes are formed in the top and the bottom of the outer wall of one side of the wing plate and the mounting plate, the compactness and the tightness of the inserting column inserted in the column groove are well improved, and meanwhile, the wing plate and the mounting plate are more conveniently fixedly connected through bolts through the through holes.

As a still further scheme of the utility model: the one end welding of column casing has the otic placode, just the screw has been seted up on one side outer wall of otic placode, and the collocation use of otic placode and screw makes the column casing be convenient for more install fixedly.

As a still further scheme of the utility model: the screw column is characterized in that a fit groove is formed in one end of the column barrel, a screw barrel communicated with the column barrel is welded at the axis of the fit groove, a nut is connected to the outer portion of the screw barrel through threads, and the screw barrel enables the nut to be more convenient to detach and fix, so that the convenience of detaching the nut is improved.

As a still further scheme of the utility model: the nut is close to the welding on the one side outer wall of column casing and is agreed with the board, just it agrees with the inside in agreeing with the groove to agree with the board, agrees with the board and agrees with the inside in agreeing with the groove for the laminating can be compacter stable between nut and the column casing.

As a still further scheme of the utility model: the one end welding of nut inside wall has the diaphragm, just the screw cylinder is located the inside one end bonding of nut and has the filter screen, and collocation between diaphragm and the filter screen is used, and the effectual dust that has completely cut off gets into the inside of column casing, reduces the probe and detects the accurate nature of data.

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

1. according to the utility model, through the arranged inserting column, after the wing plate is fixedly connected with the mounting plate through the bolt, the inserting column is inserted in the column groove, and the abutting ring cylinder pushes the sealing ring to be attached to the inserting column through the ring plate under the action of the limiting plate and the spring, so that the probe penetrates through the connecting cylinder and extends to the inside of the column cylinder, the probe can be more compact and stable, the sealing property of the connecting cylinder is well improved, and the accuracy of air flow data detection is further improved.

2. According to the utility model, the nut is in threaded connection with the outer part of the screw cylinder through the nut, so that the filter screen is more convenient to disassemble and replace, and meanwhile, the diaphragm and the filter screen are matched for use, so that dust is effectively prevented from entering the column cylinder, and the accuracy of probe detection data is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic view of the structure of the probe head of the present invention;

FIG. 3 is a schematic view of the connector barrel of the present invention;

fig. 4 is a schematic structural view of the nut of the present invention.

In the figure: 1. a column casing; 2. an ear plate; 3. a screw hole; 4. a connecting cylinder; 5. mounting a plate; 6. a through hole; 7. a column groove; 8. a seal ring; 9. a probe; 10. inserting a column; 11. a wing plate; 12. a socket; 13. a ring plate; 14. a supporting ring cylinder; 15. a ring groove; 16. a spring; 17. a limiting plate; 18. a fitting groove; 19. a screw cylinder; 20. filtering with a screen; 21. a nut; 22. a diaphragm; 23. a wedging plate.

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.

Referring to fig. 1 to 4, in the embodiment of the present invention, the flowmeter includes a column casing 1 and a wing plate 11, a connecting cylinder 4 is integrally formed on an outer wall of one side of the column casing 1, a mounting plate 5 is welded on an outer wall of the connecting cylinder 4 away from the other end of the column casing 1, a column groove 7 is formed on an inner wall of the connecting cylinder 4 close to the mounting plate 5, a socket 12 is integrally formed at a center of the outer wall of one side of the wing plate 11, an insert column 10 is welded on an outer wall of the other side of the wing plate 11 away from the socket 12, a probe 9 electrically connected to the socket 12 is installed at the other end of the insert column 10 away from the wing plate 11 by a screw, the insert column 10 is inserted into the column groove 7, the probe 9 extends into the column casing 1, a ring groove 15 is formed on an inner wall of one end of the column groove 7, a support ring 14 is inserted into the ring groove 15, a limit plate 17 is welded on one side of the support ring 14 located inside the ring groove 15, and the limiting plate 17 is kept away from to have welded spring 16 on the opposite side outer wall of holding a ring section of thick bamboo 14, it has the crown plate 13 to support to hold a ring section of thick bamboo 14 and be located the inside one side welding of post groove 7, and the crown plate 13 with insert between the post 10 and laminate mutually, pass through bolt fixed connection back between pterygoid lamina 11 and the mounting panel 5, insert the inside at post groove 7 of post 10 grafting, and support to hold a ring section of thick bamboo 14 and promote sealing washer 8 and insert post 10 and laminate mutually through the crown plate 13 under the effect of limiting plate 17 and spring 16, make the probe 9 pass can be more compact stable after connecting cylinder 4 extends to the inside of post section of thick bamboo 1, fine promotion connecting cylinder 4's leakproofness, and then promoted the accurate nature of air mass flow data detection.

The sealing ring 8 is bonded on the outer wall of the other side of the ring plate 13 far away from the abutting ring cylinder 14, the top and the bottom of the outer wall of one side of the wing plate 11 and the mounting plate 5 are respectively provided with a through hole 6, the compactness and the sealing performance of the inserting column 10 inserted in the column groove 7 are well improved by the sealing ring 8, and meanwhile, the wing plate 11 and the mounting plate 5 are more conveniently fixedly connected through bolts by the through holes 6; an ear plate 2 is welded at one end of the column casing 1, a screw hole 3 is formed in the outer wall of one side of the ear plate 2, and the ear plate 2 and the screw hole 3 are matched for use, so that the column casing 1 is more convenient to mount and fix; one end of the column casing 1 is provided with a fit groove 18, a screw casing 19 communicated with the column casing 1 is welded at the axis of the fit groove 18, a screw cap 21 is connected to the outer thread of the screw casing 19, and the screw cap 21 is more convenient to detach and fix by the screw casing 19, so that the convenience of detaching the screw cap 21 is improved; the outer wall of one side, close to the column casing 1, of the screw cap 21 is welded with the fitting plate 23, the fitting plate 23 is fitted in the fitting groove 18, and the fitting plate 23 is fitted in the fitting groove 18, so that the fitting between the screw cap 21 and the column casing 1 can be more compact and stable; the one end welding of nut 21 inside wall has diaphragm 22, and the screw cylinder 19 is located the inside one end bonding of nut 21 and has filter screen 20, and the collocation between diaphragm 22 and the filter screen 20 is used, and the effectual dust that has completely cut off gets into the inside of column casing 1, reduces probe 9 and detects the data accuracy nature.

The working principle of the utility model is as follows: nut 21 threaded connection is in the outside of screw section of thick bamboo 19, make filter screen 20 be convenient for more dismantle the change, collocation between diaphragm 22 and the filter screen 20 is used simultaneously, the effectual inside that has isolated the dust entering column casing 1, reduce probe 9 and detect data accurate nature, pass through behind the bolt fixed connection between pterygoid lamina 11 and the mounting panel 5, insert the inside of post 10 grafting at column casing 7, and support and hold ring section of thick bamboo 14 and promote sealing washer 8 and insert the laminating of post 10 mutually through the crown plate 13 under limiting plate 17 and spring 16's effect, make probe 9 pass connecting cylinder 4 extend to the inside of column casing 1 after can be more compact stable, fine promotion connecting cylinder 4's leakproofness, and then the accurate nature of air mass flow data detection has been promoted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. Flowmeter, including column casing (1) and pterygoid lamina (11), its characterized in that: the column casing is characterized in that a connecting cylinder (4) is integrally formed on the outer wall of one side of the column casing (1), a mounting plate (5) is welded on the outer wall of the other end of the column casing (1) away from the connecting cylinder (4), a column groove (7) is formed in the inner wall, close to the mounting plate (5), of the connecting cylinder (4), a socket (12) is integrally formed at the center of the outer wall of one side of the wing plate (11), an inserting column (10) is welded on the outer wall of the other side, away from the socket (12), of the wing plate (11), a probe (9) electrically connected with the socket (12) is installed at the other end, away from the wing plate (11), of the inserting column (10) through screws, the inserting column (10) is inserted into the column groove (7), the probe (9) extends into the column casing (1), an annular groove (15) is formed in the inner wall of one end of the column groove (7), and a supporting annular cylinder (14) is inserted into the annular groove (15), support and hold a ring section of thick bamboo (14) and be located inside one side welding of annular groove (15) and have limiting plate (17), just limiting plate (17) are kept away from to have spring (16) on the opposite side outer wall of supporting a ring section of thick bamboo (14), support and hold a ring section of thick bamboo (14) and be located one side welding inside column groove (7) and have crown plate (13), just crown plate (13) and insert and laminate mutually between post (10).

2. The flowmeter of claim 1, wherein: and a sealing ring (8) is bonded on the outer wall of the other side of the ring plate (13) far away from the abutting ring cylinder (14), and through holes (6) are formed in the top and the bottom of the outer wall of one side of the wing plate (11) and the mounting plate (5).

3. The flowmeter of claim 1, wherein: an ear plate (2) is welded at one end of the column casing (1), and a screw hole (3) is formed in the outer wall of one side of the ear plate (2).

4. The flowmeter of claim 1 wherein: a fit groove (18) is formed in one end of the column casing (1), a screw casing (19) communicated with the column casing (1) is welded at the axis of the fit groove (18), and a nut (21) is connected to the outer portion of the screw casing (19) in a threaded mode.

5. The flowmeter of claim 4, wherein: the outer wall of one side of the screw cap (21) close to the column casing (1) is welded with a fitting plate (23), and the fitting plate (23) is fitted in the fitting groove (18).

6. The flowmeter of claim 4, wherein: diaphragm (22) are welded to the one end of nut (21) inside wall, just screw section of thick bamboo (19) are located the inside one end bonding of nut (21) and have filter screen (20).