CN210037748U

CN210037748U - Automobile exhaust analyzer

Info

Publication number: CN210037748U
Application number: CN201920719267.4U
Authority: CN
Inventors: 郑天有; 陈昕; 江森
Original assignee: Hefei Feidong Chang'an Motor Vehicle Testing Co Ltd
Current assignee: Hefei Feidong Chang'an Motor Vehicle Testing Co Ltd
Priority date: 2019-05-18
Filing date: 2019-05-18
Publication date: 2020-02-07
Anticipated expiration: 2029-05-18

Abstract

The utility model discloses an automobile exhaust analyzer, which comprises a detection data processing body, a handle, a detection probe and a data line; the handle comprises a detection probe rod with a hollow inner part and a handheld part fixed on one end of the detection probe rod, and the detection probe is fixed with one end of the detection probe rod, which is far away from the handheld part; the handle is also provided with a pressing device, the pressing device comprises a top hoop arranged at one end of the detection probe rod close to the detection probe, a top pressing block which penetrates through the inner wall of the detection probe rod and is fixed with the top hoop, an inner rod which is connected in the detection probe rod in a sliding manner and a driving part arranged on the detection probe rod, and the top pressing block is connected with the detection probe rod in a sliding manner; one end of the inner rod close to the jacking block is fixedly provided with a trapezoidal platform-shaped abutting head, and the surface of the jacking block, which is positioned in the detection probe rod, inclines towards the inner rod and abuts against the inclined surface of the abutting head. The utility model has the advantages of it is following and effect: the detector effectively prevents the detection probe from being separated from the automobile exhaust pipe, and is favorable for ensuring the smooth operation of automobile exhaust detection.

Description

Automobile exhaust analyzer

Technical Field

The utility model relates to a vehicle detection field, in particular to automobile exhaust analysis appearance.

Background

Automobile exhaust detection refers to the detection of harmful gases such as carbon monoxide, hydrocarbons, nitrogen oxides, particulates, and soot emitted from exhaust gas of vehicles, and the emission of these pollutants poses a serious threat to human health, so that automobile exhaust detection becomes more and more important. In the vehicle detecting mechanism, a commonly used device for detecting vehicle exhaust is an automobile exhaust analyzer, which mainly comprises a detection data processing body, a handle, a detection probe mounted on the handle and a data line connecting the detection probe and the detection data processing body. The detection probe of the automobile exhaust analyzer is directly inserted into an automobile exhaust pipe to detect exhaust, and an automobile is in an idle state or even simultaneously detects the speed when being detected, so that the automobile body often shakes, the detection probe is easily separated from the automobile exhaust pipe, and the detection fails.

Therefore, an automobile exhaust analyzer is urgently needed, the position of the detection probe in the automobile exhaust pipe is effectively stabilized by the automobile exhaust analyzer, the detection probe is prevented from being separated from the automobile exhaust pipe, and the smooth operation of automobile exhaust detection is favorably ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automobile exhaust analysis appearance, this detector has prevented effectively steadily that test probe from droing from the vehicle vent-pipe, is favorable to guaranteeing going on smoothly of automobile exhaust detection work.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an automobile exhaust analyzer comprises a detection data processing body, a handle, a detection probe and a data line for connecting the detection probe and the detection data processing body; the handle comprises a detection probe rod with a hollow inner part and a handheld part fixed on one end of the detection probe rod, and the detection probe is fixed with one end of the detection probe rod, which is far away from the handheld part; the handle is also provided with a pressing device, the pressing device comprises a top hoop arranged at one end of the detection probe rod, which is close to the detection probe, a top pressing block which penetrates through the inner wall of the detection probe rod and is fixed with the top hoop, an inner rod which is connected in the detection probe rod in a sliding manner, and a driving part which is arranged on the detection probe rod and is used for driving the inner rod to slide, and the top pressing block is connected with the detection probe rod in a sliding manner; one end of the inner rod, which is close to the pressing block, is fixed with a trapezoidal platform-shaped pressing head, and the surface of the pressing block, which is positioned in the detection probe rod, inclines towards the inner rod and is pressed against the inclined surface of the pressing head.

Through adopting above-mentioned technical scheme, when detecting automobile exhaust, operating personnel hand grips handheld portion and will detect the probe rod and be fixed with the one end of test probe and insert in the automobile exhaust pipe, pole removes towards the roof pressure piece in the drive division drive this moment, make the inclined surface that supports the pressure head support the inclined surface of roof pressure piece and drive the roof pressure piece and slide outside the probe rod towards detecting, thereby make top hoop and automobile exhaust pipe inner wall support tightly, and then make test probe rod and test probe firm in automobile exhaust pipe, effectively prevented because automobile body shake and lead to the condition that test probe drops from automobile exhaust pipe, be favorable to guaranteeing going on smoothly of automobile exhaust detection work.

The utility model discloses further set up to, the drive division is including seting up in drive groove, one end on the detection probe rod outer wall with the fixed other end of interior pole is worn out the drive strip and the cover in drive groove are located on the detection probe rod and the ring cover of screwing with it threaded connection, the length direction in drive groove with the slip direction of interior pole is unanimous, the ring cover of screwing set up in the drive strip is kept away from support one side of pressure head.

Through adopting above-mentioned technical scheme, when operating personnel rotated the ring cover of screwing, the ring cover of screwing removed and supported the drive strip towards vehicle vent-pipe in, has driven the drive strip and has removed along the length direction in drive groove, has driven interior pole and has removed towards the roof pressure piece for support the pressure head and support the roof pressure piece tightly, thereby make the top hoop and support tightly with vehicle vent-pipe inner wall.

The utility model discloses further set up to, the cover is equipped with prevents scalding the plate circle on the detection probe rod, prevent scalding the plate circle set up in the drive strip is kept away from one side of handheld portion, just prevent scalding the plate circle with it is fixed to detect the probe rod.

Through adopting above-mentioned technical scheme, when operating personnel inserted and detected the probe rod and rotated the ring cover of screwing, the car was in the idle state, and automobile exhaust pipe was discharged outside down this moment, and automobile exhaust pipe exhaust tail gas has received the separation of preventing scalding the board circle, avoids tail gas direct impact to operating personnel's hand, has effectively prevented that tail gas from scalding operating personnel.

The utility model discloses further set up to, prevent scalding the great arc edge orientation of plate circle the test probe bends.

Through adopting above-mentioned technical scheme, prevent scalding the great arc edge of board and bend towards test probe for the tail gas that strikes on the lateral wall that is close to automobile exhaust pipe at preventing scalding the board circle flows along the edge of bending of preventing scalding the board circle towards the car direction, thereby has reduced tail gas towards operating personnel's flow, is favorable to guaranteeing operating personnel's operation safety.

The utility model discloses further set up to, the drive division is still located including the cover tensioning spring on the detection probe rod, tensioning spring one end with the drive strip is fixed, the other end with prevent scalding the fixed surface that the plate circle is close to the drive strip.

By adopting the technical scheme, after the detection of the automobile exhaust is finished, an operator rotates the screwing ring sleeve towards the direction far away from the driving strip, the tensioning spring stretches at the moment, the driving strip is driven to abut against the screwing ring sleeve, the inner rod slides towards the end, far away from the detection probe, of the detection probe rod until the abutting head is separated from the jacking block, and therefore the abutting of the jacking hoop with the inner wall of the automobile exhaust pipe is relieved, and the detection probe rod is convenient for the operator to take out.

The utility model discloses further set up as, handheld portion is the pipe form and is made by thermal insulation material, handheld portion cover is located detect on the probe rod and fixed with it.

Through adopting above-mentioned technical scheme, handheld portion is made by thermal insulation material, has effectively prevented that operating personnel from holding when detecting the probe rod to be scalded by the heat on the detection probe rod.

The utility model discloses further set up to, data line one end with detect this body coupling of data processing, the other end passes in proper order the detection probe rod is close to the one end terminal surface of handhold portion interior pole support the pressure head and the detection probe rod is connected the one end terminal surface of test probe and be connected with test probe.

Through adopting above-mentioned technical scheme, the data line sets up in detecting the probe rod and is connected with test probe, compares with the mode that the data line is connected with test probe from detecting the probe rod outside, is favorable to preventing that the data line under the long-term use is damaged by automobile exhaust pipe's temperature.

The utility model discloses further set up to, the top hoop is kept away from the arc of detecting probe rod is fixed with the non-skid projection on the surface.

Through adopting above-mentioned technical scheme, when top hoop and vehicle vent-pipe inner wall support tightly, in the tiny pothole on the anti-skidding arch embedding vehicle vent-pipe inner wall on the top hoop, increased the friction of top hoop and vehicle vent-pipe inner wall, be favorable to preventing to detect breaking away from of probe rod and vehicle vent-pipe.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the automobile exhaust is detected, an operator holds the hand-held part by hands and inserts one end of the detection probe rod, which is fixed with the detection probe, into an automobile exhaust pipe, at the moment, the driving part drives the inner rod to move towards the jacking block, so that the inclined surface of the jacking block is abutted against the inclined surface of the jacking block and drives the jacking block to slide outwards towards the detection probe rod, and the jacking hoop is abutted against the inner wall of the automobile exhaust pipe, so that the detection probe rod and the detection probe are stabilized in the automobile exhaust pipe, the condition that the detection probe falls off from the automobile exhaust pipe due to the shaking of an automobile body is effectively prevented, and the smooth operation of the automobile exhaust detection is favorably ensured;

2. the larger arc-shaped edge of the scald-proof plate is bent towards the detection probe, so that tail gas impacting on the side wall of the scald-proof plate ring close to the automobile exhaust pipe flows towards the automobile direction along the bent edge of the scald-proof plate ring, thereby reducing the flow of the tail gas towards operators and being beneficial to ensuring the operation safety of the operators;

3. when the top hoop is tightly abutted against the inner wall of the automobile exhaust pipe, the anti-skidding protrusions on the top hoop are embedded into the small pits on the inner wall of the automobile exhaust pipe, so that friction between the top hoop and the inner wall of the automobile exhaust pipe is increased, and separation of the detection probe rod and the automobile exhaust pipe is favorably prevented.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

fig. 2 is a schematic structural view of the pressing device.

In the figure: 1. detecting a data processing body; 2. a handle; 21. detecting the probe rod; 22. a hand-held portion; 3. detecting a probe; 4. a pressing device; 41. a top hoop; 411. anti-skid projections; 42. pressing the block; 421. a limiting block; 43. an inner rod; 431. pressing head; 44. a drive section; 441. a drive slot; 442. a drive bar; 443. screwing the ring sleeve; 444. an anti-scald plate ring; 445. tensioning the spring; 5. and a data line.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, an automobile exhaust analyzer includes a detection data processing body 1, a handle 2, a detection probe 3, a pressing device 4, and a data line 5. The detection data processing body 1 is a data processing center on the existing automobile exhaust analyzer, has a box structure in appearance, and is arranged in a data acquisition room of a motor vehicle monitoring station. The handle 2 includes detection probe rod 21 and handheld portion 22, and detection probe rod 21 is long rod-shaped structure, and its inside cavity, detection probe 3 are fixed in on the surface of detection probe rod 21 one end for detect the tail gas in the automobile exhaust pipe. The handheld portion 22 is a circular tube, made of heat insulating plastic, sleeved on the detection probe 21 and located at one end of the detection probe 21 far away from the detection probe 3, and the handheld portion 22 is fixed to the outer wall of the detection probe 21.

As shown in fig. 1 and 2, the pressing device 4 includes a top hoop 41, a top pressing block 42, an inner rod 43, and a driving portion 44, the top hoop 41 is arc-shaped plate, and is disposed at one end of the detection probe 21 close to the detection probe 3 and outside the detection probe 21, and a smaller arc surface of the top hoop 41 faces an outer wall of the detection probe 21. The larger arc surface of the top hoop 41 is covered with the anti-slip protrusions 411. the anti-slip protrusions 411 are strip-shaped structures with semicircular cross sections, which extend along the larger arc surface of the top hoop 41 and are fixed with the same. The top pressing block 42 is rectangular block-shaped, and penetrates through the arc-shaped outer wall of the detection probe 21 and is slidably connected with the detection probe 21, the surface of the top pressing block 42 exposed out of the detection probe 21 is attached and fixed with the smaller arc-shaped surface of the top hoop 41, and the surface of the top pressing block 42 located in the detection probe 21 is inclined towards one end of the detection probe 21 away from the detection probe 3. In addition, a limiting block 421 is fixed on the surface of the top pressing block 42 close to the detection probe 3, and the limiting block 421 is rectangular block-shaped and is arranged at one end of the top pressing block 42 close to the detection probe 21 for limiting the sliding stroke of the top pressing block 42. In addition, four sets of the top hoops 41 and the top pressing blocks 42 are provided, and the four sets of the top hoops 41 and the top pressing blocks 42 are respectively and uniformly distributed around the axis of the detection probe 21. The inner rod 43 is a rod-shaped structure with a circular cross section, and is disposed in the detection probe 21 and slidably connected to the inner wall, and a pressing head 431 is disposed at one end of the inner rod 43 close to the detection probe 3. The pressing head 431 is in a trapezoid table shape, four trapezoid surfaces of the pressing head are consistent and are respectively attached and pressed against the inclined surfaces of the four pressing blocks 42, and the larger square surface of the pressing head 431 is fixed with the end face of one end of the inner rod 43 close to the detection probe 3.

As shown in fig. 2, the driving portion 44 includes a driving groove 441, a driving bar 442, a tightening ring 443, a scald preventing plate 444, and a tension spring 445, the driving groove 441 is disposed on an outer side wall of the detecting probe 21 and is communicated with an inside of the detecting probe 21, the driving groove 441 is a waist-shaped hole, and a length direction of the driving groove 441 is parallel to an axial direction of the detecting probe 21. The driving grooves 441 are arranged at four positions, and the four driving grooves 441 are uniformly distributed around the axis of the detection probe 21. The driving bars 442 are long bars with rectangular cross sections, one end of each driving bar 442 is fixed to the inner rod 43, the other end of each driving bar passes through the driving groove 441, four driving bars 442 are respectively arranged, and the four driving bars 442 respectively pass through the driving grooves 441 distributed around. The tightening ring sleeve 443 is a sleeve-shaped structure with a circular cross section, which is sleeved on the detection probe 21 and is in threaded connection with the outer wall of the detection probe 21, and the tightening probe is disposed on one side of the driving bar 442 close to the handle 22 and abuts against the driving bar 442. Prevent scalding plate circle 444 and be the annular platelike structure, its cover is located on detecting probe 21 and fixed with detecting probe 21 outer wall, prevents scalding plate circle 444 and sets up in one side that drive strip 442 is close to test probe 3, and prevents scalding the great circular edge of plate circle 444 and bend towards test probe 3 direction. The tension spring 445 is sleeved on the detection probe 21, one end of the tension spring is fixed to the surface of one driving strip 442 close to the burn-proof plate 444, the other end of the tension spring is fixed to the surface of the burn-proof plate 444 close to the driving strip 442, and the tension spring 445 is kept stretched, so that the driving strip 442 is always tightly supported to the screwing ring sleeve 443. In addition, as shown in fig. 1, one end of the data wire 5 is connected to the detection data processing body 1, and the other end passes through the outer end face of one end of the detection probe 21 close to the handheld portion 22, the end face of the inner rod 43, the square surface of the abutting head 431, and the outer end face of the detection probe 21 connected to the detection probe 3, and is connected to the detection probe 3, and the data wire 5 in the detection probe 21 is kept tensioned, so that the data wire 5 is prevented from affecting the sliding of the inner rod 43.

When the automobile exhaust gas detection device is used, when automobile exhaust gas is detected, the hand of an operator holds the handheld part 22 and inserts one end of the detection probe 21, which is fixed with the detection probe 3, into an automobile exhaust pipe, at the moment, the operator rotates the screwing ring sleeve 443 to abut against the driving strip 442 so as to drive the inner rod 43 to move towards the top pressing block 42, the inclined surface of the abutting head 431 is abutted against the inclined surface of the top pressing block 42 and drives the top pressing block 42 to slide outwards towards the detection probe 21, the top ring 41 is abutted against the inner wall of the automobile exhaust pipe, the detection probe 21 and the detection probe 3 are stable in the automobile exhaust pipe, the condition that the detection probe 3 falls off from the automobile exhaust pipe due to the shaking of an automobile body is effectively prevented, and the smooth operation of automobile exhaust gas detection is favorably ensured.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an automobile exhaust analysis appearance, is including detecting data processing body (1), handle (2), test probe (3) and connecting test probe (3) and data line (5) of detecting data processing body (1), characterized by: the handle (2) comprises a detection probe rod (21) with a hollow inner part and a handheld part (22) fixed at one end of the detection probe rod (21), and the detection probe (3) is fixed with one end, far away from the handheld part (22), of the detection probe rod (21); the handle (2) is further provided with a pressing device (4), the pressing device (4) comprises a top hoop (41) arranged at one end, close to the detection probe (3), of the detection probe rod (21), a top pressing block (42) penetrating through the inner wall of the detection probe rod (21) and fixed with the top hoop (41), an inner rod (43) connected in the detection probe rod (21) in a sliding mode, and a driving portion (44) arranged on the detection probe rod (21) and used for driving the inner rod (43) to slide, and the top pressing block (42) is connected with the detection probe rod (21) in a sliding mode; one end of the inner rod (43), which is close to the top pressing block (42), is fixed with a trapezoidal table-shaped pressing head (431), and the surface, which is positioned in the detection probe rod (21), of the top pressing block (42) inclines towards the inner rod (43) and is abutted against the inclined surface of the pressing head (431).

2. The automobile exhaust gas analyzer according to claim 1, wherein: the driving part (44) comprises a driving groove (441) formed in the outer wall of the detection probe rod (21), a driving strip (442) with one end fixed with the inner rod (43) and the other end penetrating out of the driving groove (441), and a screwing ring sleeve (443) sleeved on the detection probe rod (21) and in threaded connection with the detection probe rod, the length direction of the driving groove (441) is consistent with the sliding direction of the inner rod (43), and the screwing ring sleeve (443) is arranged on one side, away from the pressure resisting head (431), of the driving strip (442).

3. The automobile exhaust gas analyzer according to claim 2, wherein: the detection probe rod (21) is sleeved with an anti-scald plate ring (444), the anti-scald plate ring (444) is arranged on one side of the handheld portion (22) away from the driving strip (442), and the anti-scald plate ring (444) is fixed with the detection probe rod (21).

4. The automobile exhaust gas analyzer according to claim 3, wherein: the arc-shaped edge of the scald-proof plate ring (444) is bent towards the detection probe (3).

5. The automobile exhaust gas analyzer according to claim 3, wherein: the driving part (44) further comprises a tensioning spring (445) sleeved on the detection probe rod (21), one end of the tensioning spring (445) is fixed with the driving strip (442), and the other end of the tensioning spring (445) is fixed with the surface of the anti-scald plate ring (444) close to the driving strip (442).

6. The automobile exhaust gas analyzer according to claim 1, wherein: the handheld part (22) is in a circular tube shape and made of heat insulation materials, and the handheld part (22) is sleeved on the detection probe rod (21) and fixed with the detection probe rod.

7. The automobile exhaust gas analyzer according to claim 1, wherein: data line (5) one end with detect data processing body (1) and connect, the other end passes in proper order detection probe rod (21) are close to the one end terminal surface of handheld portion (22), interior pole (43) support pressure head (431) and detection probe rod (21) are connected the one end terminal surface of test probe (3) and are connected with test probe (3).

8. The automobile exhaust gas analyzer according to claim 1, wherein: and an anti-skid protrusion (411) is fixed on the arc surface of the top hoop (41) far away from the detection probe rod (21).