CN108709607B - A kind of test fixture of urea liquid level sensor - Google Patents
A kind of test fixture of urea liquid level sensor Download PDFInfo
- Publication number
- CN108709607B CN108709607B CN201810522306.1A CN201810522306A CN108709607B CN 108709607 B CN108709607 B CN 108709607B CN 201810522306 A CN201810522306 A CN 201810522306A CN 108709607 B CN108709607 B CN 108709607B
- Authority
- CN
- China
- Prior art keywords
- mounting base
- liquid level
- level sensor
- pieces
- movable plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
Abstract
The invention discloses a kind of test fixtures of urea liquid level sensor, including trapezoidal mounting base, two pieces of vertical baffles are fixedly connected on the roof of the trapezoidal mounting base, the roof of trapezoidal mounting base between two pieces of baffles is equipped with rectangular recess, the rectangular aperture being connected to rectangular recess is equipped on the front-rear side walls of the trapezoidal mounting base, and multiple mobile bars are slidably connected in rectangular aperture, the opposite one end of multiple mobile bars all extends in rectangular recess and is fixedly connected with same movable plate, the bottom wall of the movable plate and rectangular recess is slidably connected, multiple stabilizing mechanisms are installed between every two pieces of movable plates, and clamp system is mounted on the opposite end face of two pieces of movable plates.The present invention can be suitable for the urea tank of sizes, easily solve the problems, such as the placement during the test of test equipment and urea tank, and improve whole stability.
Description
Technical field
The present invention relates to automatically controlled components detection technique field more particularly to a kind of test works of urea liquid level sensor
Dress.
Background technique
The economic performance and emission performance that the operating accuracy of automatically controlled components quality and reliability run vehicle influence
It is great.With the tightening of national motor vehicle emission policy, automatically controlled post-processing components pass through stringent inspection before mating vehicle
It tests and is necessary.Wherein, urea liquid level sensor must cooperate urea tank to test together, and urea tank need to place perpendicular to the ground.Due to
Present mainstream urea tank is in irregular shape, can not voluntarily stand on ground.Previous testing scheme is to do a rectangular glove
Frame, urea tank is placed on it, then liquid level sensor is installed, connect ECU or other signal acquisitions control instrument, measurement
Equipment is placed on short table.Such scheme is easy to cause and tested since test equipment is not positioned in uniform location with measurand
Wiring meets with fortuitous event and loosens in journey, cannot the flexibly matched sensor test of suitable for multiple sizes urea tank.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of urea liquid level sensor proposed
Test fixture.
To achieve the goals above, present invention employs following technical solutions:
A kind of test fixture of urea liquid level sensor, including trapezoidal mounting base, it is solid on the roof of the trapezoidal mounting base
Surely two pieces of vertical baffles are connected with, the roof of the trapezoidal mounting base between two pieces of baffles is equipped with rectangular recess,
It is equipped with the rectangular aperture being connected to rectangular recess on the front-rear side walls of the trapezoidal mounting base, and is slidably connected in rectangular aperture
There are multiple mobile bars, the opposite one end of multiple mobile bars all extends in rectangular recess and is fixedly connected with same movement
The bottom wall of plate, the movable plate and rectangular recess is slidably connected, and is equipped with multiple stabilizing mechanisms between every two pieces of movable plates,
And it is mounted on clamp system on the opposite end face of two pieces of movable plates, the clamp system includes being provided on movable plate side wall
First groove, is fixedly connected with multiple first springs in first groove, and multiple first springs far from the first groove one
End is fixedly connected with same clamping plate, is equipped with pedestal on the downside of the trapezoidal mounting base, on the bottom wall of the trapezoidal mounting base
Equipped with the second groove, and multiple dampings are installed between the second groove and pedestal.
Preferably, the stabilizing mechanism includes the connecting rod being rotatably connected on movable plate side wall, and two opposite connecting rods
One end far from movable plate passes through a shaft rotation connection.
Preferably, threaded hole is equipped on the side wall of two pieces of baffles, and threaded hole internal screw thread is connected with screw rod, it is described
One end of screw rod extends to the outside of baffle and is fixedly connected with knob, and the other end of the screw rod extends to the inside of baffle simultaneously
It is connected with fixed block, the side wall of the fixed block one end and movable plate far from screw rod connects.
Preferably, the damping includes the slide bar being connected between pedestal and the second groove inner wall, the slide bar
Outer sheath is equipped with second spring, and the both ends of the second spring are fixed with the roof of the bottom wall of the second groove and pedestal respectively to be connected
It connects.
Preferably, the sliding slot connecting with sliding bar is equipped on the bottom wall of second groove and the roof of pedestal.
Preferably, the roof four corners of the trapezoidal mounting base are equipped with jack, and vertical limit is inserted in jack
The lower end of bar, the gag lever post is connect with base contacts.
Compared with prior art, the invention has the benefit that the present invention passes through the rectangle on trapezoidal mounting base roof
Muti-piece movable plate is slidably connected in groove, can be adjusted according to various sizes of urea tank, and in screw rod and fixed block
Under the action of, localization process can be carried out to urea tank and improve the standard of testing result convenient for the use of urea liquid level sensor
True property；By being equipped with pedestal on the downside of trapezoidal mounting base, and multiple dampings are installed between pedestal and trapezoidal mounting base
Mechanism can play the effect of damping, ensure that the stability of detection, and extend the service life of trapezoidal mounting base.This hair
The bright urea tank that can be suitable for sizes, easily solves the placement during the test of test equipment and urea tank
Problem, and improve whole stability.
Detailed description of the invention
Fig. 1 is a kind of side perspective of the test fixture of urea liquid level sensor proposed by the present invention；
Fig. 2 is a kind of birds-eye perspective of the test fixture of urea liquid level sensor proposed by the present invention；
Fig. 3 is the partial enlarged view in Fig. 2 at A.
In figure: 1 trapezoidal mounting base, 2 baffles, 3 rectangular recess, 4 rectangular apertures, 5 mobile bars, 6 movable plates, 7 stabilizing mechanisms,
8 first grooves, 9 first springs, 10 clamping plates, 11 pedestals, 12 second grooves, 13 dampings, 14 connecting rods, 15 screw rods, 16 are fixed
Block, 17 slide bars, 18 second springs, 19 gag lever posts.
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.
Referring to Fig.1-3, a kind of test fixture of urea liquid level sensor, including trapezoidal mounting base 1, trapezoidal mounting base 1
Two pieces of vertical baffles 2 are fixedly connected on roof, the roof of the trapezoidal mounting base 1 between two block baffles 2 is equipped with square
Connected in star 3 is equipped with the rectangular aperture 4 being connected to rectangular recess 3 on the front-rear side walls of trapezoidal mounting base 1, and in rectangular aperture 4
Multiple mobile bars 5 are slidably connected, the opposite one end of multiple mobile bars 5 all extends in rectangular recess 3 and is fixedly connected with same
One piece of movable plate 6, movable plate 6 and the bottom wall of rectangular recess 3 are slidably connected, and are equipped with multiple stabilizations between every two pieces of movable plates 6
Mechanism 7, specifically, stabilizing mechanism 7 includes the connecting rod 14 that is rotatably connected on 6 side wall of movable plate, and two opposite connecting rods 14
One end far from movable plate 6 improves the stability of movable plate 6 when moving by a shaft rotation connection, improves whole
Intensity.
Wherein, clamp system is mounted on the opposite end face of two pieces of movable plates 6, clamp system includes being provided with movable plate
The first groove 8 on 6 side walls is fixedly connected with multiple first springs 9 in the first groove 8, and multiple first springs 9 are far from first
One end of groove 8 is fixedly connected with same clamping plate 10, specifically, being equipped with threaded hole, and screw thread on the side wall of two block baffles 2
Hole internal screw thread is connected with screw rod 15, and one end of screw rod 15 extends to the outside of baffle 2 and is fixedly connected with knob, screw rod 15 it is another
One end extends to the inside of baffle 2 and is connected with fixed block 16, the side wall of fixed block 16 one end far from screw rod 15 and movable plate 6
It connects, plays the role of positioning, be capable of fixing the urea tank being mounted between movable plate 6.
Wherein, the downside of trapezoidal mounting base 1 is equipped with pedestal 11, and the roof four corners of trapezoidal mounting base 1 are equipped with jack,
And vertical gag lever post 19 is inserted in jack, the lower end of gag lever post 19 and pedestal 11 connect, the bottom wall of trapezoidal mounting base 1
It is equipped with the second groove 12, and multiple dampings 13 are installed between second groove 12 and pedestal 11, specifically, damping
13 include the slide bar 17 being connected between 12 inner wall of pedestal 11 and the second groove, and the outer sheath of slide bar 17 is equipped with second spring 18,
The both ends of second spring 18 are fixedly connected with the roof of the bottom wall of the second groove 12 and pedestal 11 respectively, the bottom wall of the second groove 12
The sliding slot being slidably connected with slide bar 17 is equipped with on the roof of pedestal 11.
In the use of the present invention, mobile by slidably connecting muti-piece in the rectangular recess 3 on trapezoidal 1 roof of mounting base
Plate 6 can be adjusted according to various sizes of urea tank, and under the action of screw rod 15 and fixed block 16, can be to urea
Tank carries out localization process and improves the accuracy of testing result convenient for the use of urea liquid level sensor；By in trapezoidal installation
The downside of seat 1 is equipped with pedestal 11, and multiple dampings 13 are equipped between pedestal 11 and trapezoidal mounting base 1, plays and subtracts
The effect of shake, ensure that the stability of detection, and extend the service life of trapezoidal mounting base 1.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of test fixture of urea liquid level sensor, including trapezoidal mounting base (1), which is characterized in that the trapezoidal installation
Two pieces of vertical baffles (2) are fixedly connected on the roof of seat (1), the trapezoidal mounting base being located between two pieces of baffles (2)
(1) roof is equipped with rectangular recess (3), is equipped on the front-rear side walls of the trapezoidal mounting base (1) with rectangular recess (3) even
Logical rectangular aperture (4), and slidably connected multiple mobile bars (5) in rectangular aperture (4), multiple mobile bars (5) are opposite
One end all extend in rectangular recess (3) and be fixedly connected with same movable plate (6), the movable plate (6) and rectangle are recessed
The bottom wall of slot (3) is slidably connected, and is equipped with multiple stabilizing mechanisms (7) between every two pieces of movable plates (6), and two pieces of movable plates
(6) be mounted on clamp system on opposite end face, the clamp system include be provided on movable plate (6) side wall it is first recessed
Slot (8), first groove (8) is interior to be fixedly connected with multiple first springs (9), and multiple first springs (9) are recessed far from first
One end of slot (8) is fixedly connected with same clamping plate (10), is equipped with pedestal (11), institute on the downside of the trapezoidal mounting base (1)
The bottom wall for stating trapezoidal mounting base (1) is equipped with the second groove (12), and is equipped between the second groove (12) and pedestal (11) more
A damping (13).
2. a kind of test fixture of urea liquid level sensor according to claim 1, which is characterized in that the stabilizing mechanism
It (7) include the connecting rod (14) being rotatably connected on movable plate (6) side wall, and two opposite connecting rods (14) are far from movable plate (6)
One end pass through the rotation connection of shaft.
3. a kind of test fixture of urea liquid level sensor according to claim 1, which is characterized in that two pieces of baffles
(2) threaded hole is equipped on side wall, and threaded hole internal screw thread is connected with screw rod (15), one end of the screw rod (15) extends to
The outside of baffle (2) is simultaneously fixedly connected with knob, and the other end of the screw rod (15) extends to the inside of baffle (2) and is connected with
The side wall of fixed block (16), the fixed block (16) one end and movable plate (6) far from screw rod (15) connects.
4. a kind of test fixture of urea liquid level sensor according to claim 1, which is characterized in that the damping
(13) include the slide bar (17) being connected between pedestal (11) and the second groove (12) inner wall, be arranged on the outside of the slide bar (17)
Have second spring (18), the both ends of the second spring (18) roof with the bottom wall of the second groove (12) and pedestal (11) respectively
It is fixedly connected.
5. a kind of test fixture of urea liquid level sensor according to claim 4, which is characterized in that second groove
(12) sliding slot being slidably connected with slide bar (17) is equipped on the roof of bottom wall and pedestal (11).
6. a kind of test fixture of urea liquid level sensor according to claim 1, which is characterized in that the trapezoidal installation
The roof four corners of seat (1) are equipped with jack, and vertical gag lever post (19) are inserted in jack, under the gag lever post (19)
End is connected with pedestal (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522306.1A CN108709607B (en) | 2018-05-28 | 2018-05-28 | A kind of test fixture of urea liquid level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522306.1A CN108709607B (en) | 2018-05-28 | 2018-05-28 | A kind of test fixture of urea liquid level sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108709607A CN108709607A (en) | 2018-10-26 |
| CN108709607B true CN108709607B (en) | 2019-11-19 |
Family
ID=63870790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810522306.1A Expired - Fee Related CN108709607B (en) | 2018-05-28 | 2018-05-28 | A kind of test fixture of urea liquid level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108709607B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202177433U (en) * | 2011-07-25 | 2012-03-28 | 浙江省计量科学研究院 | Electric drive piston type standard metering device for micro-flow |
| CN205192688U (en) * | 2015-11-27 | 2016-04-27 | 上海立格仪表有限公司 | Multi -functional frock of sensor production test |
| CN206321293U (en) * | 2016-12-22 | 2017-07-11 | 昆山佰亚高分子科技有限公司 | Testing flow meter frock |
| CN206399463U (en) * | 2017-01-14 | 2017-08-11 | 上海感先汽车传感器有限公司 | A kind of neutral gear signal transducer functional test frock |
| CN206765563U (en) * | 2017-06-01 | 2017-12-19 | 苏州阿特斯阳光电力科技有限公司 | Cleaning device and cleaning equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8047046B2 (en) * | 2008-02-08 | 2011-11-01 | GM Global Technology Operations LLC | Systems and method for monitoring urea level |
-
2018
- 2018-05-28 CN CN201810522306.1A patent/CN108709607B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202177433U (en) * | 2011-07-25 | 2012-03-28 | 浙江省计量科学研究院 | Electric drive piston type standard metering device for micro-flow |
| CN205192688U (en) * | 2015-11-27 | 2016-04-27 | 上海立格仪表有限公司 | Multi -functional frock of sensor production test |
| CN206321293U (en) * | 2016-12-22 | 2017-07-11 | 昆山佰亚高分子科技有限公司 | Testing flow meter frock |
| CN206399463U (en) * | 2017-01-14 | 2017-08-11 | 上海感先汽车传感器有限公司 | A kind of neutral gear signal transducer functional test frock |
| CN206765563U (en) * | 2017-06-01 | 2017-12-19 | 苏州阿特斯阳光电力科技有限公司 | Cleaning device and cleaning equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108709607A (en) | 2018-10-26 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |