Device for rapidly measuring quality of standard gas for automobile exhaust inspection

Abstract

The utility model discloses a device for rapidly measuring the quality of standard gas for automobile exhaust inspection, which belongs to the technical field of exhaust emission detection and comprises an exhaust detection device provided with a filter component for filtering. The filtering assembly comprises a water filtering device and a front filtering device, the tail gas detection device is connected with the water filtering device, and the water filtering device is connected with the front filtering device; a measuring device convenient to fix is mounted on the front filtering device; a holding device convenient for lifting the device is mounted on the tail gas detection device; and an operation device for controlling the device to work is mounted on the tail gas detection device. By means of the mode, the rapid standard gas quality measuring device for automobile exhaust inspection adjusts the clamping position according to the lengths and the widths of different exhaust pipes, meets the requirements for detection of automobiles of different models, and meanwhile avoids the situation that the device falls off due to the fact that gas blown from an exhaust port is strong.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas emission detection, in particular to a device for rapidly determining the quality of standard gas for vehicle exhaust inspection. Background Art

[0002] With the rapid development of the economy, the popularity rate of automobiles is getting higher and higher. However, the tail gas emitted by automobiles has certain harm to the environment. Therefore, it is necessary to strictly detect the tail gas emitted by automobiles to meet the emission conditions and reduce the harm to the environment.

[0003] For example, the Chinese utility model patent CN216429737U discloses an automobile tail gas emission detection device, which is connected to the automobile exhaust pipe through a detection adapter tube to collect the tail gas and transmit it to the inside of the tail gas detection chamber, and the tail gas is detected by a tail gas detector.

[0004] However, it still has the following drawbacks. After the detection device is placed into the automobile tail pipe, due to the thrust of the tail gas discharge, it is easy to push the detection device out of the tail pipe. At the same time, the disassembly and installation efficiency of the pre-filter for the tail gas is very low, and there may be gas leakage or the detection device falling off due to insecure fixation.

[0005] Based on this, the utility model designs a device for rapidly determining the quality of standard gas for vehicle exhaust inspection to solve the above problems. Content of the Utility Model

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a device for rapidly determining the quality of standard gas for vehicle exhaust inspection.

[0007] To achieve the above objectives, the utility model is realized through the following technical solutions:

[0008] A device for rapidly determining the quality of standard gas for vehicle exhaust inspection, including a tail gas detection device, and a filtering component for filtering is installed on the tail gas detection device;

[0009] The filtering component includes a water filtering device and a pre-filtering device. The tail gas detection device is connected to the water filtering device, and the water filtering device is connected to the pre-filtering device;

[0010] A measuring device for easy fixation is installed on the pre-filtering device;

[0011] A holding device for easy lifting of the device is installed on the tail gas detection device;

[0012] An operating device for controlling the operation of the device is installed on the tail gas detection device.

[0013] Furthermore, the water filtration device includes a first gas transmission pipeline, a filter housing, a first support plate, and a filter rod. The right end of the tail gas detection device is fixedly connected to the first support plate. The upper end of the first support plate is fixedly connected to the filter rod. The upper end of the first support plate is threadedly connected to the filter housing. The filter housing is sleeved outside the filter rod. The tail gas detection device is communicated with the filter housing through the first gas transmission pipeline. The first support plate is connected to the pre-filtering device.

[0014] Furthermore, the pre-filtering device includes a second gas transmission pipeline, a pre-filter, a threaded connecting pipe, a connecting head, a first chute, a fixed block, and a third gas transmission pipeline. The right end of the first support plate is fixedly connected to the second gas transmission pipeline. There are two sets of threaded connecting pipes, connecting heads, first chutes, and fixed blocks. The right end of the second gas transmission pipeline is fixedly connected to the left fixed block. A first chute is formed inside the fixed block. The connecting head is rotatably connected inside the first chute. The left connecting head is threadedly connected to the left threaded connecting pipe. The right end of the left threaded connecting pipe is fixedly connected to the pre-filter. The right end of the pre-filter is fixedly connected to the right threaded connecting pipe. The right threaded connecting pipe is threadedly connected to the right connecting head. The right connecting head is rotatably connected to the first chute formed in the right fixed block. The right end of the right fixed block is fixedly connected to the third gas transmission pipeline. The third gas transmission pipeline is connected to the easily fixed measuring device.

[0015] Furthermore, the easily fixed measuring device includes a measuring device and a fixing device. The third gas transmission pipeline is connected to the measuring device. The measuring device is connected to the fixing device.

[0016] Furthermore, the measuring device includes a second handle, a fourth gas transmission pipeline, a spiral pipeline, a measuring head, and a connecting nut. The right end of the third gas transmission pipeline is fixedly connected to the second handle through the connecting nut. The right end of the second handle is fixedly connected to the fourth gas transmission pipeline. The right end of the fourth gas transmission pipeline is fixedly connected to the spiral pipeline. The right end of the spiral pipeline is fixedly connected to the measuring head. The fourth gas transmission pipeline is connected to the fixing device.

[0017] Furthermore, the fixing device includes a second support plate, a bolt, a second notch, a second chute, a fixing plate, a clamping plate, and a third chute. The right end of the fourth gas transmission pipeline is threadedly connected to the second support plate. Second notches are respectively formed at the upper and lower ends of the second support plate. Second chutes are respectively formed at the front and rear ends of the second notch. The fixing plates are respectively slidably connected inside the second chutes. Third chutes are respectively formed at the opposite ends of the fixing plates. The clamping plates are slidably connected inside the third chutes. The fixing plates and the clamping plates are fixedly connected through the bolt.

[0018] Furthermore, the holding device includes a first handle, a first notch, a relief groove, and a rotating shaft. A first notch is formed on the tail gas detection device. A relief groove is formed in the middle of the front end of the first notch. The rotating shafts are respectively rotatably connected to the left and right sides at the rear end of the first notch. The first handle is fixedly connected to the outer wall of the rotating shaft.

[0019] Further, the operating device includes a display screen and operating buttons. The left end of the exhaust gas detection device is fixedly connected with a display screen, and the left end of the exhaust gas detection device is fixedly connected with operating buttons at equal intervals.

[0020] The utility model has the following technical effects:

[0021] 1. In the utility model, the connector of the pre-filter of the filtering component rotates in the first sliding groove opened in the fixed block to fix the connector with the threaded connecting pipe, so as to realize the quick installation and replacement of the pre-filter. When the device starts to detect, the gas enters the pre-filter through the third gas transmission pipeline, and after the large particles are filtered, it continues to enter the filter housing of the water filtering device along the second gas transmission pipeline. The water in the gas is absorbed and filtered by the filter rod, and then enters the exhaust gas detection device through the first gas transmission pipeline for detection. The function of the first support plate is to support the filter housing. Through the quick installation and replacement of the pre-filter, the residues of the previous vehicle will not affect the detection when the device detects different vehicles each time.

[0022] 2. When the device is ready to detect in the utility model, the position of the second support plate of the fixing device of the measuring device that is easy to fix is adjusted on the fourth gas transmission pipeline of the measuring device by rotation. At this time, the measuring head and the spiral pipeline are inserted into the exhaust pipe. The fixing plate in the second notch is adjusted along the direction of the second sliding groove. When the position adjustment is completed, the clamping plate is driven to move along the third sliding groove by rotating the bolt to clamp the exhaust port. The gas enters the spiral pipeline through the measuring head, enters the fourth gas transmission pipeline and the second handle through the spiral pipeline, and then enters the exhaust gas detection device for detection. The function of the connecting nut is to fix the second handle. By adjusting the clamping position according to the length and width of different exhaust pipes, the detection of different models of vehicles is satisfied, and at the same time, the device is prevented from falling off due to the strong gas blown out of the exhaust port. Description of the Drawings

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. 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.

[0024] Figure 1 Three-dimensional view of a device for quickly measuring the quality of standard gas for automobile exhaust inspection according to the present utility model Figure 1 ;

[0025] Figure 2 Front view of a device for quickly measuring the quality of standard gas for automobile exhaust inspection according to the present utility model;

[0026] Figure 3 Left view of a rapid determination device for the quality of standard gas used in automobile exhaust inspection according to the present utility model;

[0027] Figure 4 Three-dimensional view of a rapid determination device for the quality of standard gas used in automobile exhaust inspection according to the present utility model Figure 2 ;

[0028] Figure 5 Three-dimensional view of a rapid determination device for the quality of standard gas used in automobile exhaust inspection according to the present utility model Figure 3 ;

[0029] Figure 6 is a sectional view taken along the A-A direction of Figure 3 ;

[0030] Figure 7 is Figure 5 an enlarged view of part B in

[0031] Figure 8 is Figure 6 an enlarged view of part C in

[0032] The reference numerals in the figure respectively represent:

[0033] 1. Exhaust gas detection device; 2. Filter assembly; 21. Water filtration device; 22. Prefilter device; 211. Gas transmission pipeline one; 212. Filter housing; 213. Support plate one; 214. Filter rod; 221. Gas transmission pipeline two; 222. Prefilter; 223. Threaded connecting pipe; 224. Connector; 225. Slide groove one; 226. Fixed block; 227. Gas transmission pipeline three; 3. Holding device; 31. Grip one; 32. Notch one; 33. Relief groove; 34. Rotating shaft; 4. Operating device; 41. Display screen; 42. Operating buttons; 5. Measurement device for easy fixation; 51. Measurement device; 52. Fixing device; 511. Grip two; 512. Gas transmission pipeline four; 513. Spiral pipeline; 514. Measuring head; 515. Connecting nut; 521. Support plate two; 522. Bolt; 523. Notch two; 524. Slide groove two; 525. Fixed plate; 526. Clamping plate; 527. Slide groove three. Specific embodiments

[0034] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0035] The present utility model will be further described below in conjunction with embodiments.

[0036] The "left", "right", "front", "rear", "upper", and "lower" mentioned in the following description are oriented in the perspective direction of the front view.

[0037] Embodiment 1

[0038] Please refer to the attached specification Figures 1-8 , a rapid determination device for the quality of standard gas used in automobile exhaust inspection, comprising an exhaust gas detection device 1;

[0039] A filtering component 2 for filtering is installed on the exhaust gas detection device 1, and the filtering component 2 is connected to a measurement device 5 that is convenient to fix;

[0040] The filtering component 2 includes a water filtering device 21 and a pre-filtering device 22. The exhaust gas detection device 1 is connected to the water filtering device 21, the water filtering device 21 is connected to the pre-filtering device 22, and the pre-filtering device 22 is connected to the measurement device 5 that is convenient to fix;

[0041] The water filtering device 21 includes an air delivery pipeline 211, a filter housing 212, a support plate 213, and a filter rod 214. The right end of the exhaust gas detection device 1 is fixedly connected to the support plate 213, the upper end of the support plate 213 is fixedly connected to the filter rod 214, the upper end of the support plate 213 is threadedly connected to the filter housing 212, the filter housing 212 is sleeved outside the filter rod 214, the exhaust gas detection device 1 is communicated with the filter housing 212 through the air delivery pipeline 211, and the support plate 213 is connected to the pre-filtering device 22;

[0042] The pre-filtering device 22 includes a second gas transmission pipeline 221, a pre-filter 222, a threaded connection pipe 223, a connector 224, a first sliding groove 225, a fixing block 226, and a third gas transmission pipeline 227. The right end of the first support plate 213 is fixedly connected to the second gas transmission pipeline 221. There are two sets of the threaded connection pipe 223, the connector 224, the first sliding groove 225, and the fixing block 226. The right end of the second gas transmission pipeline 221 is fixedly connected to the fixing block 226 at the left end. A first sliding groove 225 is formed in the fixing block 226. A connector 224 is rotatably connected in the first sliding groove 225. The threaded connection pipe 223 at the left end is threadedly connected to the connector 224 at the left end. The right end of the threaded connection pipe 223 at the left end is fixedly connected to the pre-filter 222. The right end of the pre-filter 222 is fixedly connected to the threaded connection pipe 223 at the right end. The threaded connection pipe 223 at the right end is threadedly connected to the connector 224 at the right end. The connector 224 at the right end is rotatably connected to the first sliding groove 225 formed in the fixing block 226 at the right end. The right end of the fixing block 226 at the right end is fixedly connected to the third gas transmission pipeline 227. The third gas transmission pipeline 227 is connected to the measurement device 5 that is easy to fix;

[0043] In the embodiment of the present invention, when the device starts to be installed, by rotating the connector 224 of the pre-filtering device 22 of the filtering assembly 2 in the first sliding groove 225 formed in the fixing block 226, the connector 224 is fixed to the threaded connection pipe 223, so as to realize the quick installation and replacement of the pre-filter 222. When the device starts to detect, the gas enters the pre-filter 222 through the third gas transmission pipeline 227 and is filtered to remove large particles, and then continues to enter the filter housing 212 of the water filtering device 21 along the second gas transmission pipeline 221. The moisture of the gas is absorbed and filtered by the filter rod 214, and then is transmitted into the tail gas detection device 1 through the first gas transmission pipeline 211 for detection. The function of the first support plate 213 is to support the filter housing 212. The quick installation and replacement of the pre-filter 222 ensure that there is no influence on the detection caused by the residues of the previous vehicle when the device detects different vehicles each time.

[0044] Embodiment 2

[0045] Please refer to the attached instruction manual Figures 2-7 On the filtering assembly 2, a measurement device 5 that is easy to fix is installed;

[0046] The measurement device 5 that is easy to fix includes a measurement device 51 and a fixing device 52. The third gas transmission pipeline 227 is connected to the measurement device 51. The measurement device 51 is connected to the fixing device 52;

[0047] The measurement device 51 includes a second grip 511, a fourth gas transmission pipeline 512, a spiral pipeline 513, a measurement head 514, and a connecting nut 515. The right end of the third gas transmission pipeline 227 is fixedly connected to the second grip 511 through the connecting nut 515. The right end of the second grip 511 is fixedly connected to the fourth gas transmission pipeline 512. The right end of the fourth gas transmission pipeline 512 is fixedly connected to the spiral pipeline 513. The right end of the spiral pipeline 513 is fixedly connected to the measurement head 514. The fourth gas transmission pipeline 512 is connected to the fixing device 52;

[0048] The fixing device 52 includes a second support plate 521, a bolt 522, a second notch 523, a second chute 524, a fixing plate 525, a clamping plate 526, and a third chute 527. The right end of the fourth gas transmission pipeline 512 is threadedly connected to the second support plate 521. The second support plate 521 is respectively provided with second notches 523 at its upper and lower ends. The front and rear ends of the second notch 523 are provided with second chutes 524. The fixing plates 525 are respectively slidably connected in the second chutes 524. The opposite ends of the fixing plates 525 are respectively provided with third chutes 527. The clamping plates 526 are slidably connected in the third chutes 527. The fixing plates 525 and the clamping plates 526 are fixedly connected through the bolt 522;

[0049] In the embodiment of the present invention, when the device is ready for detection, by rotating the second support plate 521 of the fixing device 52 of the easily fixed measurement device 5 to adjust the position on the fourth gas transmission pipeline 512 of the measurement device 51. At this time, the measurement head 514 and the spiral pipeline 513 are inserted into the exhaust pipe. By adjusting the position of the fixing plate 525 in the second notch 523 along the direction of the second chute 524. When the position adjustment is completed, by rotating the bolt 522 to drive the clamping plate 526 to move along the third chute 527 to clamp the exhaust port. The gas enters the spiral pipeline 513 through the measurement head 514, enters the fourth gas transmission pipeline 512 and the second grip 511 through the spiral pipeline 513, and then is transmitted into the tail gas detection device 1 for detection. The function of the connecting nut 515 is to fix the second grip 511. By adjusting the clamping position according to the lengths and widths of different exhaust pipes, it meets the detection of different models of vehicles, and at the same time avoids the strong gas blown out from the exhaust port causing the device to fall off.

[0050] A holding device 3 for easily lifting the device is installed on the tail gas detection device 1;

[0051] The holding device 3 includes a first grip 31, a first notch 32, a relief groove 33, and a rotating shaft 34. The tail gas detection device 1 is provided with a first notch 32. The middle of the front end of the first notch 32 is provided with a relief groove 33. The left and right sides of the rear end of the first notch 32 are respectively rotatably connected to the rotating shaft 34. The outer wall of the rotating shaft 34 is fixedly connected to the first grip 31;

[0052] In the embodiment of the utility model, when the device is ready to be moved, the hand is inserted into the yield groove 33 of the holding device 3 to pull the handle 31 and the rotating shaft 34 to rotate, so that the upper end of the handle 31 is disengaged from the groove 32 to facilitate lifting the device. The device is lifted by the handle 31, which facilitates the device to be moved to various positions to detect automobile exhaust.

[0053] The exhaust gas detection device 1 is equipped with an operating device 4 for controlling the operation of the device;

[0054] The operating device 4 includes a display screen 41 and operating buttons 42. The display screen 41 is fixedly connected to the left end of the exhaust gas detection device 1, and the operating buttons 42 are fixedly connected to the left end of the exhaust gas detection device 1 at equal intervals.

[0055] In the embodiment of the utility model, when the device starts working, the operating device is controlled by operating the operating button 42 of the operating device 4, and the detection data is read through the display screen 41. By understanding the detection data of the device, it is determined whether the exhaust gas of the car is qualified.

[0056] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A rapid determination device for the quality of standard gas used in automobile exhaust inspection, comprising an exhaust gas detection device (1), characterized in that: A filtering component (2) for filtering is installed on the exhaust gas detection device (1); The filtering component (2) includes a water filtering device (21) and a pre-filtering device (22). The exhaust gas detection device (1) is connected to the water filtering device (21), and the water filtering device (21) is connected to the pre-filtering device (22); A measuring device (5) for easy fixation is installed on the pre-filtering device (22); A holding device (3) for easy lifting of the device is installed on the exhaust gas detection device (1); An operating device (4) for controlling the operation of the device is installed on the exhaust gas detection device (1).

2. The rapid determination device for the quality of standard gas used in automobile exhaust inspection according to claim 1, characterized in that, The water filtering device (21) includes an air delivery pipe one (211), a filter housing (212), a support plate one (213), and a filter rod (214). The right end of the exhaust gas detection device (1) is fixedly connected to the support plate one (213). The upper end of the support plate one (213) is fixedly connected to the filter rod (214). The upper end of the support plate one (213) is threadedly connected to the filter housing (212). The filter housing (212) is sleeved outside the filter rod (214). The exhaust gas detection device (1) is communicated with the filter housing (212) through the air delivery pipe one (211). The support plate one (213) is connected to the pre-filtering device (22).

3. The rapid determination device for the quality of standard gas used in automobile exhaust inspection according to claim 2, characterized in that, The pre-filtering device (22) includes an air delivery pipe two (221), a pre-filter (222), a threaded connection pipe (223), a connection head (224), a chute one (225), a fixing block (226), and an air delivery pipe three (227). The right end of the support plate one (213) is fixedly connected to the air delivery pipe two (221). There are two groups of the threaded connection pipe (223), the connection head (224), the chute one (225), and the fixing block (226). The right end of the air delivery pipe two (221) is fixedly connected to the left fixing block (226). A chute one (225) is opened in the fixing block (226). A connection head (224) is rotatably connected in the chute one (225). The left connection head (224) is internally threadedly connected to the left threaded connection pipe (223). The right end of the left threaded connection pipe (223) is fixedly connected to the pre-filter (222). The right end of the pre-filter (222) is fixedly connected to the right threaded connection pipe (223). The right threaded connection pipe (223) is threadedly connected to the right connection head (224). The right connection head (224) is rotatably connected to the chute one (225) opened on the right fixing block (226). The right end of the right fixing block (226) is fixedly connected to the air delivery pipe three (227). The air delivery pipe three (227) is connected to the measuring device (5) for easy fixation.

4. The rapid determination device for the quality of standard gas used in automobile exhaust inspection according to claim 3, wherein, The measuring device (5) for easy fixation includes a measuring device (51) and a fixing device (52). The air delivery pipe three (227) is connected to the measuring device (51), and the measuring device (51) is connected to the fixing device (52).

5. The rapid determination device for the quality of standard gas used in automobile exhaust inspection according to claim 4, characterized in that, The measurement device (51) includes a second grip (511), a fourth gas transmission pipeline (512), a spiral pipeline (513), a measurement head (514) and a connecting nut (515). The right end of the third gas transmission pipeline (227) is fixedly connected to the second grip (511) through the connecting nut (515). The right end of the second grip (511) is fixedly connected to a fourth gas transmission pipeline (512). The right end of the fourth gas transmission pipeline (512) is fixedly connected to a spiral pipeline (513). The right end of the spiral pipeline (513) is fixedly connected to a measurement head (514). The fourth gas transmission pipeline (512) is connected to a fixing device (52).

6. The rapid determination device for the quality of standard gas used in automobile exhaust inspection according to claim 5, characterized in that, The fixing device (52) includes a second support plate (521), a bolt (522), a second notch (523), a second chute (524), a fixing plate (525), a clamping plate (526) and a third chute (527). The right end of the fourth gas transmission pipeline (512) is threadedly connected to the second support plate (521). The second support plate (521) is respectively provided with second notches (523) at its upper and lower ends. The front and rear ends of the second notch (523) are provided with second chutes (524). Fixing plates (525) are respectively slidably connected in the second chutes (524). The third chutes (527) are respectively provided at the opposite ends of the fixing plates (525). Clamping plates (526) are slidably connected in the third chutes (527). The fixing plates (525) and the clamping plates (526) are fixedly connected through bolts (522).

7. The rapid determination device for the quality of standard gas used in automobile exhaust inspection according to claim 6, characterized in that, The holding device (3) includes a first grip (31), a first notch (32), a relief groove (33) and a rotating shaft (34). The first notch (32) is formed in the exhaust gas detection device (1). The relief groove (33) is formed in the middle of the front end of the first notch (32). The rotating shafts (34) are respectively rotatably connected to the left and right sides of the rear end of the first notch (32). The outer wall of the rotating shaft (34) is fixedly connected to the first grip (31).

8. The rapid determination device for the quality of standard gas used in automobile exhaust inspection according to claim 7, characterized in that, The operating device (4) includes a display screen (41) and operating buttons (42). The left end of the exhaust gas detection device (1) is fixedly connected to the display screen (41). The operating buttons (42) are fixedly connected to the left end of the exhaust gas detection device (1) at equal intervals.

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