CN211292200U

CN211292200U - Device for positioning sampling tube of automobile exhaust analyzer

Info

Publication number: CN211292200U
Application number: CN202020020788.3U
Authority: CN
Inventors: 穆芳琳; 钟玉宏; 李超; 钟玉鹏; 董经念
Original assignee: Shucheng Zhongchuan Motor Vehicle Testing Co ltd
Current assignee: Shucheng Zhongchuan Motor Vehicle Testing Co ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-08-18
Anticipated expiration: 2030-01-07

Abstract

The utility model discloses a make device of automobile exhaust analysis appearance sampling tube location, belong to vehicle detection technical field, including diaphragm and vehicle vent-pipe, the upper end fixedly connected with fixed plate of diaphragm, logical groove has been seted up to the upper end of fixed plate, it is equipped with fixed establishment to lead to the inslot, fixed establishment is connected with vehicle vent-pipe, T type spout has been seted up on the upper end right side of diaphragm, be equipped with fastening device in the T type spout, fastening device is connected with the right side of fixed plate, the upper end right side of diaphragm is connected with violently the pipe through fastening device, the left end mouth department of violently managing is equipped with the mouth of a beam portion, the mouth of a beam portion is along extending interior and fixedly connected with rubber circle of vehicle vent. The utility model discloses, can be with on the quick mounting panel auto vent-pipe of sampling tube to be difficult for causing the damage to the blast pipe during the use, connect firm difficult gas leakage when gathering gas simultaneously and lead to the detection data deviation to appear.

Description

Device for positioning sampling tube of automobile exhaust analyzer

Technical Field

The utility model relates to a vehicle detection technology field especially relates to a make device of automobile exhaust analysis appearance sampling tube location.

Background

The automobile exhaust analyzer can measure the automobile using gasoline, liquefied petroleum gas, natural gas, alcohol, etc. as fuel, analyze the exhaust gas concentration of automobile in idle speed, double idle speed and working condition, the diesel vehicle exhaust analyzer can analyze the condition of diesel vehicle exhaust under free acceleration working condition and transient measurement, is suitable for detection of automobile exhaust emission such as vehicle maintenance, motor vehicle inspection, road inspection, scientific research and the like in environmental protection departments, automobile and motorcycle manufacturers, automobile maintenance enterprises, public security inspection stations, traffic inspection stations, scientific research departments and the like, is mainly fixed on an automobile exhaust pipe by bolts at present, is relatively time-consuming in disassembly and assembly, and the easy lacquer painting that damages the blast pipe in the installation leads to the blast pipe by the corrosion to easy gas leakage when inserting the blast pipe causes the displacement not enough to influence the testing result and increases staff working strength.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art automobile exhaust analysis appearance sampling tube and using the bolt fastening more on vehicle vent-pipe, the dismouting is relatively more time-consuming to damage the lacquer painting of blast pipe easily in the installation and lead to the blast pipe by the corrosion, and leak gas easily when inserting the blast pipe, cause the not enough problem that influences the testing result and increase staff working strength of displacement, and the device that makes automobile exhaust analysis appearance sampling tube location that provides.

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

a device for positioning a sampling tube of an automobile exhaust analyzer comprises a transverse plate and an automobile exhaust pipe, wherein the upper end of the transverse plate is fixedly connected with a fixed plate, the upper end of the fixing plate is provided with a through groove, a fixing mechanism is arranged in the through groove and is connected with an automobile exhaust pipe, a T-shaped chute is arranged at the right side of the upper end of the transverse plate, a fastening mechanism is arranged in the T-shaped chute, the fastening mechanism is connected with the right side of the fixed plate, the right side of the upper end of the transverse plate is connected with a transverse pipe through the fastening mechanism, the left end pipe orifice of the transverse pipe is provided with a mouth restraining part, the edge of the mouth restraining part extends into the automobile exhaust pipe and is fixedly connected with a rubber ring, a connecting pipe is fixedly connected at the right end pipe orifice of the transverse pipe, an air valve is fixedly connected on the pipe wall of the connecting pipe, the upper end of the transverse pipe is fixedly connected with an air suction pump, and the air inlet end of the air suction pump is communicated with the transverse pipe through a guide pipe.

Preferably, the fixing mechanism comprises a pressure lever arranged in a through groove, the two opposite sides of the through groove are both provided with mounting grooves, the left end and the right end of the pressure lever respectively extend into the two mounting grooves and are fixedly connected with rectangular blocks which are connected with the mounting grooves in a sliding way, a notch is arranged at the edge of the upper end of the rectangular block, a fixed block is rotatably connected in the notch through a rotating shaft, one side of the mounting groove is provided with a plurality of clamping grooves which are uniformly distributed, one end of the fixing block extends into one of the clamping grooves and is provided with an inclined plane, the upper end of the fixed block is fixedly connected with a brake rod, one side of the gap is fixedly connected with an elastic sheet, one end of the elastic sheet is connected with the rod wall of the brake rod in a sliding mode, one side of the installation groove is rotatably connected with an arc-shaped plate through a pin, a rubber pad is fixedly connected to one side of the arc-shaped plate, and the arc-shaped plate is located below the press rod.

Preferably, one side of the arc-shaped plate is fixedly connected with a tension spring, and one end of the tension spring, which is far away from the arc-shaped plate, is fixedly connected with one side of the mounting groove.

Preferably, fastening device includes the T type slider of sliding connection in T type spout, the upper end fixedly connected with connecting plate of T type slider, one side of connecting plate is through round hole and the pipe wall fixed connection of violently managing, one side of connecting plate has the lead screw through screw hole threaded connection, screw hole and fixedly connected with knob are passed to the one end of lead screw, the other end of lead screw passes through antifriction bearing and is connected with the right side rotation of fixed plate.

Preferably, the groove bottom of the through groove is fixedly connected with a rubber block.

Compared with the prior art, the utility model provides a make device of automobile exhaust analysis appearance sampling tube location possesses following beneficial effect:

1. this make device of automobile exhaust analysis appearance sampling tube location, fixed plate through being equipped with, with the fixed plate joint on vehicle vent-pipe, insert depression bar and rectangular block in the mounting groove, extrusion arc atress and vehicle vent-pipe contact when depression bar removes, the flexure strip promotes the brake lever and makes the fixed block swing around the pivot this moment, with the draw-in groove joint during the fixed block swing, and then carry on spacingly to rectangular block and depression bar through fixed block and draw-in groove cooperation, it is fixed to make the arc compress tightly vehicle vent-pipe, it can dismantle positioner fast with the hand pulling brake lever messenger fixed block and draw-in groove separation.

2. This make device of automobile exhaust analysis appearance sampling tube location, through the arc that is equipped with, the arc all is connected with rubber with logical inslot, and the automobile exhaust pipe is difficult for haring, rotates the knob with the hand and makes the lead screw rotatory, and the lead screw is rotatory to make the connecting plate remove with screw hole interact, and the connecting plate removes and drives violently to manage and make rubber circle and automobile exhaust pipe contact to air leakage leads to the detection data to appear the deviation when can avoiding gathering automobile exhaust.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses, can be with on the quick mounting panel auto exhaust pipe of sampling tube to be difficult for causing the damage to the blast pipe during the use, connect when gathering gas simultaneously and stabilize difficult gas leakage and lead to the detection data deviation to appear.

Drawings

Fig. 1 is a schematic structural view of a device for positioning a sampling tube of an automobile exhaust gas analyzer according to the present invention;

fig. 2 is a left side view structural diagram of a fixing plate in the device for positioning the sampling tube of the automobile exhaust gas analyzer of the present invention;

fig. 3 is an enlarged view of a structure at a in fig. 2.

In the figure: the automobile exhaust pipe comprises a fixing plate 1, an automobile exhaust pipe 2, a transverse plate 3, a lead screw 4, a sliding block 5T, a sliding chute 6T, a knob 7, a connecting pipe 8, a transverse pipe 9, an air pump 10, a rubber ring 11, a mouth portion 12, a pressure rod 13, a rectangular block 14, an arc plate 15, a rubber pad 16, a tension spring 17, a fixed block 18, a brake rod 19, an elastic sheet 20 and a rubber block 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a device for positioning a sampling tube of an automobile exhaust analyzer comprises a transverse plate 3 and an automobile exhaust pipe 2, wherein the upper end of the transverse plate 3 is fixedly connected with a fixing plate 1, the upper end of the fixing plate 1 is provided with a through groove, a rubber block 21 is fixedly connected at the bottom of the through groove, a fixing mechanism is arranged in the through groove and is connected with the automobile exhaust pipe 2, the fixing mechanism comprises a press rod 13 arranged in the through groove, two opposite sides of the through groove are provided with mounting grooves, the left end and the right end of the press rod 13 respectively extend into the two mounting grooves and are fixedly connected with a rectangular block 14, the rectangular block 14 is in sliding connection with the mounting grooves, the upper end edge of the rectangular block 14 is provided with a notch, the notch is rotatably connected with a fixing block 18 through a rotating shaft, one side of the mounting groove is provided with, the upper end of the fixed block 18 is fixedly connected with a brake rod 19, one side of the gap is fixedly connected with an elastic sheet 20, one end of the elastic sheet 20 is connected with the rod wall of the brake rod 19 in a sliding manner, one side of the installation groove is connected with an arc-shaped plate 15 in a rotating manner through a pin, one side of the arc-shaped plate 15 is fixedly connected with a rubber pad 16, the arc-shaped plate 15 is positioned below the press rod 13, one side of the arc-shaped plate 15 is fixedly connected with a tension spring 17, one end, away from the arc-shaped plate 15, of the tension spring 17 is fixedly connected with one side of the installation groove, the right side of the upper end of the transverse plate 3 is provided with a T-shaped sliding groove 6, a fastening mechanism is arranged in the T-shaped sliding groove 6 and connected with the right side of the fixed plate 1, the fastening mechanism comprises a T-shaped sliding block 5 which is connected in the T, screw hole and fixedly connected with knob 7 are passed to the one end of lead screw 4, the other end of lead screw 4 passes through antifriction bearing and is connected with the right side rotation of fixed plate 1, the upper end right side of diaphragm 3 is connected with violently pipe 9 through fastening device, the left end mouth of pipe department of violently pipe 9 is equipped with restraint oral area 12, restraint oral area 12 along stretch to in the vehicle vent-pipe 2 and fixedly connected with rubber circle 11, rubber circle 11 can advance sealedly to vehicle vent-pipe 2 and the junction of violently managing 9, the right-hand member mouth of pipe department fixedly connected with connecting pipe 8 of violently pipe 9, fixedly connected with pneumatic valve on the pipe wall of connecting pipe 8, the upper end fixedly connected with aspiration pump 10 of violently managing 9, the inlet end of aspiration pump 10 passes through the pipe and violently manages 9 intercommunication, the air in violently pipe 9.

In the utility model, when in use, the fixing plate 1 is clamped on the automobile exhaust pipe 2, the pressure rod 13 and the rectangular block 14 are inserted into the mounting groove, the arc-shaped plate 15 is pressed to contact with the automobile exhaust pipe 2 when the pressure rod 13 moves, the elastic piece 20 pushes the brake rod 19 to make the fixing block 18 swing around the rotating shaft, the fixing block 18 is clamped with the clamping groove when swinging, the rectangular block 14 and the pressure rod 13 are limited by the matching of the fixing block 18 and the clamping groove, the arc-shaped plate 15 compresses and fixes the automobile exhaust pipe 2, the brake rod 19 is pulled by hand to separate the fixing block 18 from the clamping groove, the positioning device can be quickly disassembled, rubber is connected in the arc-shaped plate 15 and the through groove, the automobile exhaust pipe is not easy to damage, the screw rod 4 is rotated by hand to rotate the knob 7, the screw rod 4 interacts with the threaded hole to move the connecting plate, therefore, the detection data deviation caused by air leakage in the process of collecting the automobile exhaust can be avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A device for positioning a sampling tube of an automobile exhaust analyzer comprises a transverse plate (3) and an automobile exhaust pipe (2), and is characterized in that a fixing plate (1) is fixedly connected to the upper end of the transverse plate (3), a through groove is formed in the upper end of the fixing plate (1), a fixing mechanism is arranged in the through groove and connected with the automobile exhaust pipe (2), a T-shaped chute (6) is formed in the right side of the upper end of the transverse plate (3), a fastening mechanism is arranged in the T-shaped chute (6) and connected with the right side of the fixing plate (1), a transverse pipe (9) is connected to the right side of the upper end of the transverse plate (3) through the fastening mechanism, a mouth-restraining portion (12) is arranged at the left end mouth of the transverse pipe (9), the mouth restraining portion (12) extends into the automobile exhaust pipe (2) and is fixedly connected with a rubber ring (11), and a connecting pipe (8) is fixedly connected to, the air valve is fixedly connected to the wall of the connecting pipe (8), the air pump (10) is fixedly connected to the upper end of the transverse pipe (9), and the air inlet end of the air pump (10) is communicated with the transverse pipe (9) through a guide pipe.

2. The device for positioning the sampling tube of the automobile exhaust gas analyzer according to claim 1, wherein the fixing mechanism comprises a pressing rod (13) disposed in a through slot, two opposite sides of the through slot are both provided with mounting slots, the left and right ends of the pressing rod (13) respectively extend into the two mounting slots and are fixedly connected with a rectangular block (14), the rectangular block (14) is slidably connected with the mounting slots, an upper edge of the rectangular block (14) is provided with a notch, a fixing block (18) is rotatably connected in the notch through a rotating shaft, one side of the mounting slot is provided with a plurality of clamping slots which are uniformly distributed, one end of the fixing block (18) extends into one of the clamping slots and is provided with an inclined surface, the upper end of the fixing block (18) is fixedly connected with a braking rod (19), and one side of the notch is fixedly connected with an elastic sheet (20), one end of the elastic sheet (20) is in sliding connection with the rod wall of the brake rod (19), one side of the installation groove is rotatably connected with the arc-shaped plate (15) through a pin, a rubber pad (16) is fixedly connected to one side of the arc-shaped plate (15), and the arc-shaped plate (15) is located below the press rod (13).

3. The device for positioning the sampling tube of the automobile exhaust gas analyzer is characterized in that a tension spring (17) is fixedly connected to one side of the arc-shaped plate (15), and one end, far away from the arc-shaped plate (15), of the tension spring (17) is fixedly connected with one side of the installation groove.

4. The device for positioning the sampling tube of the automobile exhaust gas analyzer is characterized in that the fastening mechanism comprises a T-shaped sliding block (5) which is slidably connected in a T-shaped sliding groove (6), a connecting plate is fixedly connected to the upper end of the T-shaped sliding block (5), one side of the connecting plate is fixedly connected with the tube wall of the transverse tube (9) through a round hole, a lead screw (4) is connected to one side of the connecting plate through a threaded hole in a threaded manner, one end of the lead screw (4) penetrates through the threaded hole and is fixedly connected with a knob (7), and the other end of the lead screw (4) is rotatably connected with the right side of the fixing plate (1) through a rolling bearing.

5. An arrangement for locating a sampling tube for an automotive exhaust gas analyzer according to claim 1, characterized in that a rubber block (21) is fixedly attached to the bottom of the through slot.