Motor vehicle tail gas sampling device convenient to install

Abstract

The utility model relates to the technical field of motor vehicle tail gas sampling devices, and discloses a motor vehicle tail gas sampling device convenient to install, which comprises a collection container, a sealing mechanism is arranged on the left side of the collection container, and an installation mechanism is arranged on the left side of the sealing mechanism. The rotating ring drives the connecting ring, the connecting ring drives the inner gear ring, the inner gear ring drives the gear, the gear drives the screw to rotate, the screw rotates to drive the rotating ring to slide, the rotating ring slides to drive the third connecting seat, the third connecting seat drives the second connecting rod, then the second connecting rod pushes the second connecting seat, and the second connecting seat drives the first connecting rod. The first connecting rod rotates in the first connecting base, then the second connecting base is lifted to push the abutting plate, then the abutting plate is opened to make contact with the exhaust hole of the motor vehicle, the collecting pipe is fixed from the interior of the exhaust hole of the motor vehicle, the position of the abutting plate can be adjusted according to the size of the exhaust hole, and the device can be applied to exhaust holes of different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of motor vehicle exhaust gas sampling devices, in particular to a motor vehicle exhaust gas sampling device which is convenient to install. Background Technique

[0002] Automobile exhaust gas is the waste gas generated when an automobile is in use, containing hundreds of different compounds, and the pollutants therein include solid suspended particles, carbon monoxide, carbon dioxide, hydrocarbons, nitrogen oxides, lead, sulfur oxides, etc. In order to better master the automobile exhaust gas emission situation, it is necessary to use an exhaust gas sampling device to sample and analyze the automobile exhaust gas. For quick and convenient use, an installation structure is required.

[0003] According to a motor vehicle exhaust gas sampling device disclosed on the patent network (authorization announcement number: CN 216847085 U), it is described that "the utility model discloses a motor vehicle exhaust gas sampling device, which includes a sampling probe tube and a collection container. One end of the sampling probe tube is connected with a collection container, and a collection component is installed in the middle of the collection container. The collection component includes a connecting pipe, a collection inner tube, a sealing hole and an exhaust hole. The connecting pipe and the collection inner tube are of an integral structure. The output end of the sampling probe tube is clamped inside the connecting pipe. The sampling probe tube conveys the sampled exhaust gas into the collection inner tube. In the utility model, through the sampling probe tube, the exhaust gas enters the inside of the collection inner tube, and the excess exhaust gas is discharged from the sealing hole, enters the inside of the collection container, and finally is discharged outwards from the exhaust hole. The collection inner tube is not directly in contact with the external air. After collection, the positions of the sealing hole and the connecting pipe are both excess exhaust gas, and it is not easy for air to mix in when the collection is completed, thereby ensuring the purity of the collected exhaust gas and making the later detection results more accurate."

[0004] In view of the above description, the applicant believes that the following problems exist:

[0005] During the use of this utility model, since the device aligns the arc-shaped card slot between the inner support plate and the clamping plate with the pipe wall of the motor vehicle tailpipe, is clamped and fixed with the pipe wall, and then the fixing bolt is tightened, so that the sampling probe tube is connected with the motor vehicle tailpipe. However, the positions of the inner support plate and the clamping plate are fixed, and it can only be connected to motor vehicle tailpipes of the same size, and cannot be applied to motor vehicle tailpipes of different sizes, and the application range is relatively narrow. Therefore, it is necessary to improve a motor vehicle exhaust gas sampling device that is convenient to install to solve the above problems. Content of the Utility Model

[0006] The purpose of the utility model is to provide a motor vehicle exhaust gas sampling device which is convenient to install to solve the problems raised in the above background technique.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an easy-to-install motor vehicle exhaust sampling device, comprising a collection container, a closing mechanism is arranged on the left side of the collection container, and a mounting mechanism is arranged on the left side of the closing mechanism.

[0008] The installation mechanism comprises a driving assembly and a tensioning assembly. The driving assembly is arranged on the left side of the closing mechanism, and the tensioning assembly is arranged inside the driving assembly.

[0009] Preferably, the closing mechanism includes a limit frame, which is fixedly connected to the left side of the collection container, a sealing plate is slidably connected to the inside of the limit frame, a spring is fixedly connected between the sealing plate and the limit frame, a sliding rod is fixedly connected to the top of the sealing plate, the sliding rod is slidably connected to the inside of the limit frame, and a pull ring is fixedly connected to the top of the sliding rod for closing the collection container.

[0010] Preferably, the limiting frame is provided with a slide groove at a corresponding position of the sealing plate, and the sealing plate slides inside the slide groove. Two springs are provided, and the two springs are symmetrically fixedly connected between the sealing plate and the spring for limiting the sealing plate.

[0011] Preferably, the driving assembly includes a collecting tube, which is fixedly connected to the left side of the limit frame, the interior of the collecting tube is fixedly connected to a slot plate, the exterior of the collecting tube is fixedly connected to a limit ring, the interior of the limit ring is rotatably connected to a connecting ring, the exterior of the connecting ring is fixedly connected to a rotating ring, the interior of the rotating ring is fixedly connected to an inner gear ring, the interior of the inner gear ring is meshed with a gear, the interior of the gear is fixedly connected to a screw, and the screw is rotatably connected to the interior of the slot plate to push the slider to move.

[0012] Preferably, the limiting ring is provided with a limiting groove at a corresponding position of the connecting ring, and the connecting ring rotates inside the limiting groove to limit the connecting ring.

[0013] Preferably, the tensioning assembly includes a first connecting seat, the first connecting seat is fixedly connected to the outside of the collection tube, the first connecting seat is rotatably connected to the inside of the first connecting seat, the first connecting rod is rotatably connected to the second connecting seat at one end away from the first connecting seat, the top of the second connecting seat is fixedly connected to a resistance plate, the external thread of the screw rod is connected to a slider, the slider is slidably connected to the inside of the slot plate, the top of the slider is fixedly connected to a third connecting seat, and the second connecting rod is rotatably connected between the third connecting seat and the second connecting seat for positioning the collection tube.

[0014] Preferably, the groove plate is provided with a sliding groove at a corresponding position of the sliding block, and the sliding block slides inside the sliding groove to limit the position of the sliding block.

[0015] Compared with the prior art, the utility model provides a motor vehicle exhaust gas sampling device which is convenient for installation and has the following beneficial effects:

[0016] During the use of the motor vehicle exhaust gas sampling device which is convenient for installation, the rotating ring drives the connecting ring, the connecting ring drives the internal gear ring, the internal gear ring drives the gear, the gear drives the screw rod to rotate, the rotation of the screw rod drives the sliding of the rotating ring, the sliding of the rotating ring drives the third connecting seat, the third connecting seat drives the second connecting rod, and then the second connecting rod pushes the second connecting seat. The second connecting seat drives the first connecting rod, and the first connecting rod rotates inside the first connecting seat. Then the second connecting seat lifts up and pushes the contact plate, and then the contact plate opens to contact the motor vehicle exhaust hole, and the sampling tube is fixed from inside the motor vehicle exhaust hole. The position of the contact plate can be adjusted according to the size of the exhaust hole, and it can be applied to exhaust holes of different sizes.

[0017] During the use of the motor vehicle exhaust gas sampling device which is convenient for installation, the pull ring drives the sliding rod, the sliding rod drives the sealing plate, the sealing plate compresses the spring, and the spring is used for the reset of the sealing plate. The sealing plate lifts up, and then the sampling tube can send the exhaust gas discharged from the motor vehicle into the sampling container for collection. After the collection is completed, the sampling container is closed to prevent the collected exhaust gas from leaking and air from entering. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts:

[0019] Figure 1 It is a schematic diagram of the external structure of the present utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the closing mechanism of the present utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the driving component of the present utility model;

[0022] Figure 4 It is a sectional view of the driving component of the present utility model;

[0023] Figure 5 It is a schematic diagram of the structure of the tensioning component of the present utility model.

[0024] In the figure: 1. Sampling container; 2. Sealing mechanism; 21. Limit frame; 22. Sealing plate; 23. Spring; 24. Slide bar; 25. Pull ring; 3. Mounting mechanism; 31. Driving component; 311. Sampling tube; 312. Grooved plate; 313. Limit ring; 314. Connecting ring; 315. Rotating ring; 316. Internal gear ring; 317. Gear; 318. Screw; 32. Tensioning component; 321. First connecting seat; 322. First connecting rod; 323. Second connecting seat; 324. Contact plate; 325. Slide block; 326. Third connecting seat; 327. Second connecting rod. Detailed implementation manners

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0026] In the present invention, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Embodiment 1

[0027] Please refer to Figures 1-5 , the present invention provides a technical solution: a motor vehicle exhaust gas sampling device that is easy to install, including a sampling container 1, a sealing mechanism 2 is arranged on the left side of the sampling container 1, and a mounting mechanism 3 is arranged on the left side of the sealing mechanism 2.

[0028] The mounting mechanism 3 includes a driving component 31 and a tensioning component 32. The driving component 31 is arranged on the left side of the sealing mechanism 2, and the tensioning component 32 is arranged inside the driving component 31.

[0029] Furthermore, the driving assembly 31 includes a collecting tube 311, which is fixedly connected to the left side of the limit frame 21, and the inside of the collecting tube 311 is fixedly connected to a groove plate 312, and the outside of the collecting tube 311 is fixedly connected to a limit ring 313, and the inside of the limit ring 313 is rotatably connected to a connecting ring 314, and the outside of the connecting ring 314 is fixedly connected to a rotating ring 315, and the inside of the rotating ring 315 is fixedly connected to an inner gear ring 316, and the inside of the inner gear ring 316 is meshed with a gear 317, and the inside of the gear 317 is fixedly connected to a screw 318, which is rotatably connected to the inside of the groove plate 312 to push the slider 325 to move.

[0030] Furthermore, the limiting ring 313 is provided with a limiting groove at a corresponding position of the connecting ring 314 , and the connecting ring 314 rotates inside the limiting groove, so as to limit the connecting ring 314 .

[0031] Furthermore, the tensioning assembly 32 includes a first connecting seat 321, which is fixedly connected to the outside of the collection tube 311, and the first connecting seat 321 is internally rotatably connected to a first connecting rod 322, and the first connecting rod 322 is rotatably connected to a second connecting seat 323 at one end away from the first connecting seat 321, and the top of the second connecting seat 323 is fixedly connected to a resistance plate 324, and the external thread of the screw rod 318 is connected to a slider 325, and the slider 325 is slidably connected to the inside of the slot plate 312, and the top of the slider 325 is fixedly connected to a third connecting seat 326, and a second connecting rod 327 is rotatably connected between the third connecting seat 326 and the second connecting seat 323 for positioning the collection tube 311.

[0032] Furthermore, the groove plate 312 is provided with a sliding groove at a corresponding position of the sliding block 325 , and the sliding block 325 slides inside the sliding groove, so as to limit the position of the sliding block 325 . Embodiment 2

[0033] See also Figures 1-2 In combination with Example 1, it is further obtained that the closing mechanism 2 includes a limit frame 21, the limit frame 21 is fixedly connected to the left side of the collection container 1, the inside of the limit frame 21 is slidably connected with a sealing plate 22, a spring 23 is fixedly connected between the sealing plate 22 and the limit frame 21, the top of the sealing plate 22 is fixedly connected with a sliding rod 24, the sliding rod 24 is slidably connected to the inside of the limit frame 21, and the top of the sliding rod 24 is fixedly connected with a pull ring 25 for closing the collection container 1.

[0034] Furthermore, the limiting frame 21 is provided with a slide groove at a corresponding position of the sealing plate 22, and the sealing plate 22 slides inside the slide groove. Two springs 23 are provided, and the two springs 23 are symmetrically fixedly connected between the sealing plate 22 and the springs 23 for limiting the sealing plate 22.

[0035] During the actual operation process, when this device is in use, rotating the rotating ring 315 drives the connecting ring 314. The connecting ring 314 rotates inside the limiting groove of the limiting ring 313. The connecting ring 314 drives the internal gear ring 316, the internal gear ring 316 drives the gear 317, the gear 317 drives the screw rod 318 to rotate. The rotation of the screw rod 318 drives the sliding of the rotating ring 315. The sliding of the rotating ring 315 drives the third connecting seat 326, the third connecting seat 326 drives the second connecting rod 327, and then the second connecting rod 327 pushes the second connecting seat 323. The second connecting seat 323 drives the first connecting rod 322. The first connecting rod 322 rotates inside the first connecting seat 321. Then the second connecting seat 323 lifts to push the contact plate 324. Then the contact plate 324 opens to contact the exhaust hole of the motor vehicle, and the sampling tube 311 is fixed from inside the exhaust hole of the motor vehicle. Then pull the pull ring 25. The pull ring 25 drives the sliding rod 24, the sliding rod 24 drives the sealing plate 22, the sealing plate 22 compresses the spring 23. The spring 23 is used for the reset of the sealing plate 22. The sealing plate 22 lifts, and then the sampling tube 311 can send the exhaust gas discharged from the motor vehicle into the sampling container 1 for collection.

[0036] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

Claims

1. A motor vehicle exhaust sampling device that is easy to install, comprising a collection container (1), characterized in that: A closing mechanism (2) is provided on the left side of the collection container (1), and a mounting mechanism (3) is provided on the left side of the closing mechanism (2); The mounting mechanism (3) comprises a driving component (31) and a tensioning component (32); the driving component (31) is arranged on the left side of the closing mechanism (2), and the tensioning component (32) is arranged inside the driving component (31).

2. The motor vehicle exhaust sampling device that is easy to install according to claim 1 is characterized in that: The sealing mechanism (2) comprises a limit frame (21), the limit frame (21) is fixedly connected to the left side of the collection container (1), a sealing plate (22) is slidably connected inside the limit frame (21), a spring (23) is fixedly connected between the sealing plate (22) and the limit frame (21), a sliding rod (24) is fixedly connected to the top of the sealing plate (22), the sliding rod (24) is slidably connected to the inside of the limit frame (21), and a pull ring (25) is fixedly connected to the top of the sliding rod (24).

3. The motor vehicle exhaust sampling device that is easy to install according to claim 2 is characterized in that: The limiting frame (21) is provided with a slide groove at a corresponding position of the sealing plate (22), and the sealing plate (22) slides inside the slide groove. Two springs (23) are provided, and the two springs (23) are symmetrically fixedly connected between the sealing plate (22) and the springs (23).

4. The motor vehicle exhaust sampling device that is easy to install according to claim 2 is characterized in that: The driving assembly (31) comprises a collection tube (311), the collection tube (311) being fixedly connected to the left side of the limit frame (21), the interior of the collection tube (311) being fixedly connected to a slot plate (312), the exterior of the collection tube (311) being fixedly connected to a limit ring (313), the interior of the limit ring (313) being rotatably connected to a connecting ring (314), the exterior of the connecting ring (314) being fixedly connected to a rotating ring (315), the interior of the rotating ring (315) being fixedly connected to an inner gear ring (316), the interior of the inner gear ring (316) being meshed with a gear (317), the interior of the gear (317) being fixedly connected to a screw rod (318), and the screw rod (318) being rotatably connected to the interior of the slot plate (312).

5. The motor vehicle exhaust sampling device that is easy to install according to claim 4 is characterized in that: The limiting ring (313) is provided with a limiting groove at a corresponding position of the connecting ring (314), and the connecting ring (314) rotates inside the limiting groove.

6. The motor vehicle exhaust sampling device that is easy to install according to claim 4 is characterized in that: The tensioning assembly (32) comprises a first connecting seat (321), wherein the first connecting seat (321) is fixedly connected to the outside of the collection tube (311), the first connecting seat (321) is internally rotatably connected to a first connecting rod (322), one end of the first connecting rod (322) away from the first connecting seat (321) is rotatably connected to a second connecting seat (323), the top of the second connecting seat (323) is fixedly connected to a resistance plate (324), the external thread of the screw rod (318) is connected to a slider (325), the slider (325) is slidably connected to the inside of the slot plate (312), the top of the slider (325) is fixedly connected to a third connecting seat (326), and a second connecting rod (327) is rotatably connected between the third connecting seat (326) and the second connecting seat (323).

7. The motor vehicle exhaust sampling device that is easy to install according to claim 6 is characterized in that: The groove plate (312) is provided with a sliding groove at a position corresponding to the sliding block (325), and the sliding block (325) slides inside the sliding groove.

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