CN109855695A - A kind of air flow sensor - Google Patents
A kind of air flow sensor Download PDFInfo
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- CN109855695A CN109855695A CN201910038281.2A CN201910038281A CN109855695A CN 109855695 A CN109855695 A CN 109855695A CN 201910038281 A CN201910038281 A CN 201910038281A CN 109855695 A CN109855695 A CN 109855695A
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- flow sensor
- air flow
- fixedly connected
- spring
- box body
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Abstract
The invention discloses a kind of air flow sensor, including air flow sensor ontology, the two sides of the air flow sensor ontology are connected with cover board, and the surface of the air flow sensor ontology is arranged with positioning ring, and the left side at the top of the positioning ring offers mounting hole.The present invention passes through setting air flow sensor ontology, cover board, positioning ring, mounting hole, first limiting device, first through hole, protective net, sliding slot, sliding block, movable plate, first spring, second limiting device, first box body, second through-hole, second limited block, first limited block, position shell, second spring, groove, third spring, button, second motion bar, second box body, third through-hole, 4th spring, movable block, partition and the first motion bar are used cooperatively, solve the problems, such as that existing air flow sensor person inconvenient to use replaces protective net simultaneously.
Description
Technical field
The present invention relates to sensor technical field, specially a kind of air flow sensor.
Background technique
Air flow sensor, also referred to as air flow meter are one of important sensors of EFI engine, it is by sucking
Air mass flow is converted into electric signal and send to electronic control unit, is measurement sucking engine as one of the baseband signal for determining oil spout
Air mass flow sensor, electronically controlled gasoline injection engine under various Operation Conditions in order to obtain optium concentration
Gaseous mixture, it is necessary to correctly measure per in a flash suck engine air capacity, in this, as ECU calculate distributive value it is main
Foundation, if air flow sensor or route break down, ECU cannot get correct air inflow signal, cannot be normally
The control for carrying out distributive value, will cause gaseous mixture overrich or excessively dilute, and engine is made to operate abnormal, electronically controlled gasoline injection system
There are many pattern, common air flow sensor can be divided into vane type, amount by its structural shape for the air flow sensor of system
Core type, hot-wire, hot diaphragm type, toll bar vortex etc. are several, but existing air flow sensor is because will be to air mass flow
It is detected, therefore can be by the contaminant filter in air on protective net, so protective net being cleaned or be replaced, but is existing
Protective net in some air flow sensor is because person inconvenient to use dismantles it, thus very inconvenient user couple
Protective net is replaced.
Summary of the invention
The purpose of the present invention is to provide a kind of air flow sensor, have convenient for users to the excellent of replacement protective net
Point solves the problems, such as that existing air flow sensor person inconvenient to use replaces protective net.
To achieve the above object, the invention provides the following technical scheme: a kind of air flow sensor, including air mass flow
Sensor body, the two sides of the air flow sensor ontology are connected with cover board, the air flow sensor sheet
The surface of body is arranged with positioning ring, and the left side at the top of the positioning ring offers mounting hole, the air flow sensor ontology
The two sides of top and bottom are connected with the first limiting device.
Preferably, the cover board includes first through hole, and the first through hole is opened in the two sides of cover board, the first through hole
Inner cavity be fixedly connected with protective net.
Preferably, the two sides at the top and bottom of the air flow sensor chamber body offer sliding slot, the cunning
The side of slot inner cavity is connected with sliding block, and the side of the sliding block extends to the outside of sliding slot and is fixedly connected with movable plate,
The side of the movable plate is fixedly connected with the first spring, side of first spring far from movable plate and the first limiting device
It is fixedly connected.
Preferably, the second limiting device, second limit are fixedly connected at the top and bottom of the cover board side
Device includes the first box body, and the side of first box cavity is fixedly connected with second spring, the side of the second spring
It is fixedly connected with positioning shell, the positioning shell is connected with the first limited block, first limit far from the side of second spring
The side of the position remotely located shell of block is fixedly connected with the first motion bar, and the side of first motion bar is connected with the second limit
Position block, the side of second limited block are fixedly connected with cover board, and the other side of first motion bar is through to the first box body
Outside, the side of first motion bar is contacted with the first limiting device.
Preferably, first limiting device includes groove and the second box body, and the groove is opened in air mass flow sensing
The side of device ontology, the side of the groove inner cavity are fixedly connected with third spring, and the side of the third spring is fixedly connected
There is button, the side of the button is fixedly connected with the second motion bar, the side of second box body and air flow sensor
The inner wall of ontology is fixedly connected, and the side of second motion bar passes through the inner cavity of third spring and is through to the interior of the second box body
Chamber, the side of second box cavity are fixedly connected with the 4th spring, and the side of the 4th spring is fixedly connected with activity
Block, the side of the movable block are through to the outside of the second box body.
Preferably, the inner cavity of second box body is fixedly connected with partition, and the inner cavity of the partition is sheathed on the second activity
The surface of bar and movable block.
Preferably, the side of first box body offers the second through-hole, and second through-hole and the first motion bar cooperate
It uses.
Preferably, the side of second box body offers third through-hole, the third through-hole respectively with the second motion bar
It is used cooperatively with movable block.
Compared with prior art, beneficial effects of the present invention are as follows:
1, the present invention is led to by setting air flow sensor ontology, cover board, positioning ring, mounting hole, the first limiting device, first
Hole, protective net, sliding slot, sliding block, movable plate, the first spring, the second limiting device, the first box body, the second through-hole, the second limit
Block, the first limited block, positioning shell, second spring, groove, third spring, button, the second motion bar, the second box body, third are logical
Hole, the 4th spring, movable block, partition and the first motion bar are used cooperatively, while solving existing air flow sensor
Person inconvenient to use replaces the problem of protective net.
2, the present invention facilitates the activity of the first motion bar by the second through-hole of setting, convenient by the way that third through-hole is arranged
The activity of second motion bar and movable block plays the position-limiting action to the second motion bar and movable block by the way that partition is arranged,
By being used cooperatively for setting sliding slot, sliding block, movable plate and the first spring, the first spring cooperates sliding slot and slipper push movable plate
By cover board to the inside of side ejection air flow sensor ontology, cover board is removed and is carried out to protective net by the person of being convenient to use
Cleaning or replacement play the position-limiting action to movable block, pass through setting positioning ring and mounting hole by the way that the 4th spring is arranged
It is used cooperatively, installation of the person of being convenient to use to air flow sensor ontology.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the main sectional view of partial structurtes of the present invention;
Fig. 3 is the partial enlarged view in Fig. 2 of the present invention at A;
Fig. 4 is the attachment structure schematic diagram of the second limiting device of the invention.
In figure: 1 air flow sensor ontology, 2 cover boards, 3 positioning rings, 4 mounting holes, 5 first limiting devices, 6 first lead to
Hole, 7 protective nets, 8 sliding slots, 9 sliding blocks, 10 movable plates, 11 first springs, 12 second limiting devices, 13 first box bodys, 14 second lead to
Hole, 15 second limited blocks, 16 first limited blocks, 17 positioning shells, 18 second springs, 19 grooves, 20 third springs, 21 buttons, 22
Second motion bar, 23 second box bodys, 24 third through-holes, 25 the 4th springs, 26 movable blocks, 27 partitions, 28 first motion bars.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-4, a kind of air flow sensor, including air flow sensor ontology 1, air flow sensor
The two sides of ontology 1 are connected with cover board 2, and the surface of air flow sensor ontology 1 is arranged with positioning ring 3, and positioning ring 3 pushes up
Mounting hole 4 is offered on the left of portion, the two sides of 1 top and bottom of air flow sensor ontology are connected with the first limit
Device 5, cover board 2 include first through hole 6, and first through hole 6 is opened in the two sides of cover board 2, and the inner cavity of first through hole 6 is fixedly connected with
The two sides of protective net 7,1 inner cavity top of air flow sensor ontology and bottom offer sliding slot 8, the side of 8 inner cavity of sliding slot
It is connected with sliding block 9, the side of sliding block 9 extends to the outside of sliding slot 8 and is fixedly connected with movable plate 10, and the one of movable plate 10
Side is fixedly connected with the first spring 11, and side of first spring 11 far from movable plate 10 is fixedly connected with the first limiting device 5, lid
The second limiting device 12 is fixedly connected at the top and bottom of 2 side of plate, the second limiting device 12 includes the first box body 13, the
The side of one box body, 13 inner cavity is fixedly connected with second spring 18, and the side of second spring 18 is fixedly connected with positioning shell 17, fixed
Position shell 17 is connected with the first limited block 16 far from the side of second spring 18, and the one of the remotely located shell 17 of the first limited block 16
Side is fixedly connected with the first motion bar 28, and the side of the first motion bar 28 is connected with the second limited block 15, the second limited block
15 side is fixedly connected with cover board 2, and the other side of the first motion bar 28 is through to the outside of the first box body 13, the first motion bar
28 side is contacted with the first limiting device 5, and the first limiting device 5 includes that groove 19 and the second box body 23, groove 19 are opened in
The side of air flow sensor ontology 1, the side of 19 inner cavity of groove are fixedly connected with third spring 20, and the one of third spring 20
Side is fixedly connected with button 21, and the side of button 21 is fixedly connected with the second motion bar 22, the side of the second box body 23 and air
The inner wall of flow sensor ontology 1 is fixedly connected, and the side of the second motion bar 22 passes through the inner cavity of third spring 20 and is through to
The inner cavity of second box body 23, the side of 23 inner cavity of the second box body are fixedly connected with the 4th spring 25, and the side of the 4th spring 25 is solid
Surely it is connected with movable block 26, the side of movable block 26 is through to the outside of the second box body 23, and the inner cavity of the second box body 23 is fixed to be connected
It is connected to partition 27, the inner cavity of partition 27 is sheathed on the surface of the second motion bar 22 and movable block 26, and the side of the first box body 13 is opened
Equipped with the second through-hole 14, the second through-hole 14 is used cooperatively with the first motion bar 28, and it is logical that the side of the second box body 23 offers third
Hole 24, third through-hole 24 are used cooperatively with the second motion bar 22 and movable block 26 respectively, by the way that the second through-hole 14 is arranged, are facilitated
The activity of first motion bar 28 facilitates the activity of the second motion bar 22 and movable block 26, passes through by the way that third through-hole 24 is arranged
Partition 27 is set, the position-limiting action to the second motion bar 22 and movable block 26 is played, passes through setting sliding slot 8, sliding block 9, activity
Plate 10 and the first spring 11 are used cooperatively, and the first spring 11 cooperates sliding slot 8 and sliding block 9 to push movable plate 10 by cover board 2 to one
Side eject air flow sensor ontology 1 inside, the person of being convenient to use by cover board 2 remove and to protective net 7 carry out cleaning or
Replacement plays the position-limiting action to movable block 26, passes through setting positioning ring 3 and mounting hole 4 by the way that the 4th spring 25 is arranged
Be used cooperatively, installation of the person of being convenient to use to air flow sensor ontology 1, by setting air flow sensor ontology 1,
Cover board 2, positioning ring 3, mounting hole 4, the first limiting device 5, first through hole 6, protective net 7, sliding slot 8, sliding block 9, movable plate 10,
One spring 11, the second limiting device 12, the first box body 13, the second through-hole 14, the second limited block 15, the first limited block 16, positioning
Shell 17, second spring 18, groove 19, third spring 20, button 21, the second motion bar 22, the second box body 23, third through-hole 24,
4th spring 25, movable block 26, partition 27 and the first motion bar 28 are used cooperatively, while being solved existing air mass flow and passed
The problem of sensor person inconvenient to use replaces protective net.
In use, user's push button 21, while button 21 squeezes third spring 20 and drives the second motion bar 22
It is moved, subsequent second motion bar 22 pushes the first motion bar 28 mobile to side, and the first motion bar 28 passes through first at this time
The cooperation positioning shell 17 of limited block 16 squeezes second spring 18, and the first motion bar 28 will be separated with movable block 26 at this time, and subsequent first
Spring 11 pushes movable plate 10 by the outside of the ejection air flow sensor ontology 1 of cover board 2.
In summary: the air flow sensor, by setting air flow sensor ontology 1, cover board 2, positioning ring 3,
Mounting hole 4, the first limiting device 5, first through hole 6, protective net 7, sliding slot 8, sliding block 9, movable plate 10, the first spring 11, second
Limiting device 12, the first box body 13, the second through-hole 14, the second limited block 15, the first limited block 16, positioning shell 17, second spring
18, groove 19, third spring 20, button 21, the second motion bar 22, the second box body 23, third through-hole 24, the 4th spring 25, work
Motion block 26, partition 27 and the first motion bar 28 are used cooperatively, while being solved existing air flow sensor and be inconvenient to make
User replaces the problem of protective net.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of air flow sensor, including air flow sensor ontology (1), it is characterised in that: the air mass flow passes
The two sides of sensor ontology (1) are connected with cover board (2), and the surface of the air flow sensor ontology (1) is arranged with fixed
Position ring (3), the left side at the top of the positioning ring (3) offer mounting hole (4), at the top of the air flow sensor ontology (1)
The first limiting device (5) are connected with the two sides of bottom.
2. a kind of air flow sensor according to claim 1, it is characterised in that: the cover board (2) includes first logical
Hole (6), the first through hole (6) are opened in the two sides of cover board (2), and the inner cavity of the first through hole (6) is fixedly connected with protection
Net (7).
3. a kind of air flow sensor according to claim 1, it is characterised in that: the air flow sensor ontology
(1) two sides of inner cavity top and bottom offer sliding slot (8), and the side of sliding slot (8) inner cavity is connected with sliding block
(9), the side of the sliding block (9) extends to the outside of sliding slot (8) and is fixedly connected with movable plate (10), the movable plate (10)
Side be fixedly connected with the first spring (11), first spring (11) far from movable plate (10) side with first limit fill
(5) are set to be fixedly connected.
4. a kind of air flow sensor according to claim 1, it is characterised in that: the top of cover board (2) side
It is fixedly connected to the second limiting device (12) with bottom, second limiting device (12) includes the first box body (13), described
The side of the first box body (13) inner cavity is fixedly connected with second spring (18), and the side of the second spring (18) is fixedly connected with
It positions shell (17), positioning shell (17) is connected with the first limited block (16) far from the side of second spring (18), described
The side of first limited block (16) remotely located shell (17) is fixedly connected with the first motion bar (28), first motion bar (28)
Side be connected with the second limited block (15), the side of second limited block (15) is fixedly connected with cover board (2), described
The other side of first motion bar (28) is through to the outside of the first box body (13), the side and first of first motion bar (28)
Limiting device (5) contact.
5. a kind of air flow sensor according to claim 1, it is characterised in that: the first limiting device (5) packet
Groove (19) and the second box body (23) are included, the groove (19) is opened in the side of air flow sensor ontology (1), described recessed
The side of slot (19) inner cavity is fixedly connected with third spring (20), and the side of the third spring (20) is fixedly connected with button
(21), the side of the button (21) is fixedly connected with the second motion bar (22), the side of second box body (23) and air
The inner wall of flow sensor ontology (1) is fixedly connected, and the side of second motion bar (22) passes through the interior of third spring (20)
The side of chamber and the inner cavity for being through to the second box body (23), the second box body (23) inner cavity is fixedly connected with the 4th spring
(25), the side of the 4th spring (25) is fixedly connected with movable block (26), and the side of the movable block (26) is through to
The outside of two box bodys (23).
6. a kind of air flow sensor according to claim 5, it is characterised in that: the inner cavity of second box body (23)
It is fixedly connected with partition (27), the inner cavity of the partition (27) is sheathed on the surface of the second motion bar (22) and movable block (26).
7. a kind of air flow sensor according to claim 4, it is characterised in that: the side of first box body (13)
It offers the second through-hole (14), second through-hole (14) is used cooperatively with the first motion bar (28).
8. a kind of air flow sensor according to claim 5, it is characterised in that: the side of second box body (23)
It offers third through-hole (24), the third through-hole (24) is used cooperatively with the second motion bar (22) and movable block (26) respectively.
Priority Applications (1)
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CN201910038281.2A CN109855695A (en) | 2019-01-16 | 2019-01-16 | A kind of air flow sensor |
Applications Claiming Priority (1)
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CN201910038281.2A CN109855695A (en) | 2019-01-16 | 2019-01-16 | A kind of air flow sensor |
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CN109855695A true CN109855695A (en) | 2019-06-07 |
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ID=66894834
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CN201910038281.2A Pending CN109855695A (en) | 2019-01-16 | 2019-01-16 | A kind of air flow sensor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112414498A (en) * | 2019-08-20 | 2021-02-26 | 侯耀淞 | Strengthening structure of flow meter connecting pipe |
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CN203482268U (en) * | 2013-10-09 | 2014-03-12 | 邱泉阳 | Lock catch device of wearable-type terminal capable of facilitating connection/disconnection with/from pedestal |
CN203672458U (en) * | 2014-02-13 | 2014-06-25 | 山推工程机械股份有限公司 | Fuel liquid level sensor |
US20180161709A1 (en) * | 2016-12-11 | 2018-06-14 | Automotive Research & Testing Center | Method for detecting abnormality of fluid filter and fluid filter abnormality detecting system |
CN207717174U (en) * | 2018-01-17 | 2018-08-10 | 温州鼎程电子科技有限公司 | A kind of air mass flow flowmeter sensor with filtering function |
CN108896123A (en) * | 2018-05-21 | 2018-11-27 | 谢继富 | A kind of gas meter with high efficiency and heat radiation |
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2019
- 2019-01-16 CN CN201910038281.2A patent/CN109855695A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1967172A (en) * | 2006-09-25 | 2007-05-23 | 上海沪庆仪表有限公司 | On-line cleaning flowmeter protector and cleaning method therefor |
CN203482268U (en) * | 2013-10-09 | 2014-03-12 | 邱泉阳 | Lock catch device of wearable-type terminal capable of facilitating connection/disconnection with/from pedestal |
CN203672458U (en) * | 2014-02-13 | 2014-06-25 | 山推工程机械股份有限公司 | Fuel liquid level sensor |
US20180161709A1 (en) * | 2016-12-11 | 2018-06-14 | Automotive Research & Testing Center | Method for detecting abnormality of fluid filter and fluid filter abnormality detecting system |
CN207717174U (en) * | 2018-01-17 | 2018-08-10 | 温州鼎程电子科技有限公司 | A kind of air mass flow flowmeter sensor with filtering function |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112414498A (en) * | 2019-08-20 | 2021-02-26 | 侯耀淞 | Strengthening structure of flow meter connecting pipe |
CN112414498B (en) * | 2019-08-20 | 2024-03-22 | 侯耀淞 | Reinforced structure of flowmeter connecting pipe |
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Application publication date: 20190607 |
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