CN214011056U - Opacity detector - Google Patents

Abstract

The utility model belongs to the technical field of motor vehicle exhaust detects and specifically relates to a photometric detector is related to, its include the host computer and with the collection pipe of host computer intercommunication, the tip of collection pipe is provided with the gathering head, still including the clamping device who is used for fixed gathering head, clamping device includes branch and clamping structure, clamping structure installs on branch, the gathering head is fixed on clamping structure. This application has the effect that reduces the user of service and inhales a large amount of tail gas phenomena when examining and take place.

Description

Opacity detector

Technical Field

The application relates to the field of motor vehicle exhaust detection, in particular to an opacity detector.

Background

The automobile inspection station is a mechanism which comprehensively applies modern inspection technology and carries out non-disassembly inspection on automobiles. The device has modern detection equipment and a detection method, can detect various parameters of the vehicle indoors and diagnose possible faults, and provides a reliable basis for comprehensively and accurately evaluating the service performance and technical condition of the vehicle. In the detection of motor vehicles, in the detection of the tail gas of some diesel-powered trucks, a light-tight smoke meter can be used, and the light-tight smoke meter can detect the black smoke in the exhaust of a diesel engine so as to determine whether the tail gas emission of the automobile reaches the standard.

The opaque smokemeter generally includes the detection machine and the collection pipe with the detection machine intercommunication, and the collection pipe is gathered gaseous, and gaseous the sending is detected to the detection machine. In the detection process, the collecting pipe is required to be arranged in the exhaust funnel, and a driver steps on an accelerator to collect and detect tail gas.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that, in the process of collecting the tail gas by holding the collecting pipe close to the exhaust funnel by a user, the user can easily suck a large amount of tail gas, which is harmful to the health of the user.

SUMMERY OF THE UTILITY MODEL

In order to reduce the phenomenon that the user inhales a large amount of tail gases when detecting and take place, the application provides an opacity detector.

The application provides an opacity detector adopts following technical scheme:

the utility model provides an opacity detector, includes the host computer and the collection pipe with the host computer intercommunication, the tip of collection pipe is provided with the gathering head, still includes the clamping device who is used for fixed gathering head, clamping device includes branch and clamping structure, clamping structure installs on branch, the gathering head is fixed on clamping structure.

Through adopting above-mentioned technical scheme, arrange the pick head in the clamping structure on, the branch is handed to the user of service, stretches into the exhaust funnel with the pick head in, gathers tail gas, sets up through branch and clamping structure, has increased the distance that the user of service was examining the interior exhaust funnel when measuring to reach the purpose that reduces the user of service and inhales a large amount of tail gas phenomena, protect user of service's health.

Preferably, clamping device includes fixed plate and fixed subassembly, fixed subassembly includes the mounting, the mounting includes connecting rod and screw rod, the screw rod sets up the tip at the connecting rod, the fixed orifices has been seted up on the fixed plate, the screw rod can wear to establish in the fixed orifices, fixed subassembly still includes fixation nut, fixation nut and screw rod threaded connection.

Through adopting above-mentioned technical scheme, the fixed plate is used for placing the gathering head, and the connecting rod is used for fixed gathering head, and screw rod and fixation nut are used for fixing the connecting rod on the fixed plate.

Preferably, a placing groove for placing the collecting head is arranged on the fixing plate, an opening is formed at the end of the placing groove, and the collecting end of the collecting head extends out of the opening.

Through adopting above-mentioned technical scheme, the setting of standing groove, the placing and the fixing of the pick head of being convenient for.

Preferably, the clamping structure is provided with a positioning structure, the positioning structure comprises a positioning ring and a sliding rod, the sliding rod is fixedly connected with the positioning ring, a sliding groove is formed in the fixing plate, the sliding rod is connected in the sliding groove in a sliding mode, and a reset spring used for enabling the positioning ring to reset in a sliding mode is arranged in the sliding groove.

By adopting the technical scheme, the positioning ring is sleeved in the exhaust funnel, and then the collecting head is moved, so that the collecting head can conveniently extend into the exhaust funnel.

Preferably, the supporting rod is a telescopic rod.

Through adopting above-mentioned technical scheme, make the length of strut can adjust, convenient to use personnel's detection operation.

Preferably, branch includes interior pole, outer pole and is used for the locking Assembly in the pole position in the fixed, outer pole cover is established on interior pole, be provided with on the interior pole and place the box, locking Assembly includes elastic component and dop, the elastic component is arranged in and is placed the box, the elastic component is fixed with the dop, be provided with the card hole on the interior pole, the dop can stretch out card hole and outer pole butt.

Through adopting above-mentioned technical scheme, interior pole can stretch out in the outer pole, and the dop can stretch out from the card hole and outer pole butt, and the dop is used for the state that the pole stretched out in the fixed.

Preferably, the clamping head is provided with a guide surface, and the guide surface faces the end face of the outer rod close to the inner rod.

Through adopting above-mentioned technical scheme, the setting of spigot is convenient for the outer pole to promote the dop and remove to the withdrawal of interior pole.

Preferably, the support rod is detachably connected with the mounting plate.

Through adopting above-mentioned technical scheme, make branch and clamping structure can dismantle and be connected, clamping device's of being convenient for accomodate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is an exploded view of the clamping device.

Fig. 3 is a schematic structural view of the strut.

Fig. 4 is a schematic view showing a cross-sectional structure of the locking assembly.

Reference numerals: 0. an exhaust funnel; 01. an air outlet pipe; 1. a host; 10. a collection tube; 11. a pick head; 2. a clamping device; 3. a strut; 30. an inner rod; 300. placing the box; 31. an outer rod; 32. a locking assembly; 320. an elastic member; 321. a fastener; 322. clamping a plate; 323. clamping a head; 324. a guide surface; 33. a stopper; 34. a tightening part; 35. a connecting plate; 350. a first mounting hole; 4. a clamping structure; 40. a fixing plate; 400. a placement groove; 401. an opening; 402. a fixing hole; 403. a chute; 404. connecting holes; 405. a second mounting hole; 41. a fixing assembly; 42. a fixing member; 420. a connecting rod; 421. a screw; 43. fixing a nut; 44. a return spring; 5. a positioning structure; 50. a positioning ring; 51. a slide bar; 510. and a baffle plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an opacity detector. Referring to fig. 1, the opacity detector includes host computer 1 and acquisition pipe 10, and acquisition pipe 10 and host computer 1 intercommunication set up, and the tip that host computer 1 was kept away from to acquisition pipe 10 is provided with the pick head 11, still including the clamping device 2 that is used for fixed probe, and clamping device 2 includes branch 3 and clamping structure 4, and branch 3 can be dismantled with clamping structure 4 and be connected, and pick head 11 is installed on clamping structure 4, and user of service can make the pick head 11 stretch into to the aiutage 0 through handheld branch 3.

Referring to fig. 1 and 2, the clamping structure 4 includes a fixing plate 40 and a fixing assembly 41, a placing groove 400 is opened on the fixing plate 40, the placing groove 400 is opened on the upper surface of the fixing plate 40, the cross section of the placing groove 400 is semi-circularly arranged, the placing groove 400 forms an opening 401 at both ends of the fixing plate 40, a fixing hole 402 is opened on the fixing plate 40, the fixing hole 402 is arranged as a through hole, and the fixing hole 402 penetrates through the fixing plate 40. Fixed subassembly 41 includes mounting 42 and fixation nut 43, and mounting 42 includes connecting rod 420 and the screw rod 421 that sets up in pairs, and connecting rod 420 is the U type setting, and screw rod 421 is fixed respectively at connecting rod 420's both ends, and parallel interval sets up between the screw rod 421, and fixation nut 43's quantity is the same with screw rod 421's quantity, and fixation nut 43 overlaps respectively and establishes on corresponding screw rod 421. The fixing holes 402 are arranged in two rows, the number of the fixing holes 402 in each row is two, the two fixing holes 402 are respectively arranged on two sides of the placing groove 400, the number of the fixing assemblies 41 is two, and one group of the fixing assemblies 41 is installed in one row of the fixing holes 402. The collecting head 11 is arranged in a cylindrical structure with a circular section, the collecting head 11 is arranged in the placing groove 400, two screws 421 of the fixing piece 42 can penetrate through fixing holes 402 at two sides of the placing groove 400, the fixing piece 42 is used for fixing the collecting head 11 on the fixing plate 40, and the fixing nut 43 is arranged on the screws 421, so that the fixing piece 42 can be fixed on the fixing plate 40.

Referring to FIG. 2, the mounting plate 40 is provided with a positioning structure 5, the positioning structure 5 being used to facilitate positioning of the pick head 11. The positioning structure 5 comprises a positioning ring 50 and two sliding rods 51, the number of the sliding rods 51 is two, a sliding groove 403 is formed in the fixing plate 40, the cross section of the sliding groove 403 is circular, a connecting hole 404 is formed in the end face of the positioning plate through the sliding groove 403, the diameter of the connecting hole 404 is smaller than that of the sliding groove 403, and the connecting hole 404 is communicated with the sliding groove 403. One end of the sliding rod 51 is welded with the positioning ring 50, the sliding rod 51 penetrates through the connecting hole 404, the diameter of the sliding rod 51 is the same as that of the connecting hole 404, the other end of the sliding rod 51 is arranged in the sliding groove 403, a baffle 510 is fixedly arranged at the end part of the sliding rod 51, which is arranged in the sliding groove 403, and the diameter of the baffle 510 is larger than that of the connecting hole 404. A return spring 44 is provided in the slide groove 403, and both ends of the return spring 44 are respectively abutted against the baffle 510 and the slide groove 403.

Referring to fig. 1, an outlet tube 01 is arranged at the end of an exhaust funnel 0, the diameter of the outlet tube 01 is smaller than that of the exhaust funnel 0, and the diameter of a positioning ring 50 is larger than that of the outlet tube 01 and smaller than that of the exhaust funnel 0, so that the positioning ring 50 is sleeved on the outlet tube 01, the positioning ring 50 is abutted to the exhaust funnel 0, the fixing plate 40 is moved towards the exhaust funnel 0, and the return spring 44 is contracted until a probe extends into the exhaust funnel 0.

Referring to fig. 3 and 4, the supporting rod 3 is provided as a telescopic rod, the supporting rod 3 comprises an inner rod 30, an outer rod 31 and a locking assembly 32, the inner rod 30 and the outer rod 31 are both arranged in a hollow mode, the outer rod 31 is sleeved on the inner rod 30, a tightening part 34 is arranged at the end part, close to the inner rod 30, of the outer rod 31, a stop 33 is arranged at the end part, arranged in the outer rod 31, of the inner rod 30, the cross section of the stop 33 is circular, the diameter of the stop 33 is smaller than the inner diameter of the outer rod 31, and the diameter of the stop 33 is larger than the inner diameter of the tightening part 34. The stop 33 and the tightening part 34 are provided to prevent the inner rod 30 from coming out of the outer rod 31.

Referring to fig. 4, interior pole 30 is inside to be provided with and to place box 300, locking Assembly 32 sets up in placing box 300, locking Assembly 32 includes elastic component 320 and fastener 321, fastener 321 includes cardboard 322 and dop 323, dop 323 is fixed to be set up on cardboard 322, elastic component 320 selects the spring, elastic component 320 is arranged in and is placed box 300, the both ends of elastic component 320 respectively with place box 300, cardboard 322 fixed connection, the card hole has been seted up on interior pole 30, dop 323 can stretch out the card hole, be provided with spigot surface 324 on the dop 323, spigot surface 324 sets up to the inclined plane, spigot surface 324 is close to the terminal surface setting of interior pole 30 tip towards outer pole 31. The position of the inner rod 30 can be fixed by the chuck 323 extending out of the clamping hole 36 and abutting against the tightening part 34, the inner rod 30 is pushed, the chuck 323 moves towards the placing box 300, the elastic part 320 contracts, and the chuck 323 abuts against the inner wall of the outer rod 31, so that the inner rod 30 can be retracted. The guide surface 324 is provided to facilitate retraction of the inner rod 30.

Referring to fig. 3, a connecting plate 35 is vertically fixed to one end of the inner rod 30, which is far away from the outer rod 31, a first mounting hole 350 is formed in the connecting plate 35, referring to fig. 2, a second mounting hole 405 is formed in the side wall of the fixing plate 40, the first mounting hole 350 is a through hole, the second mounting hole 405 is a threaded hole, and bolts are inserted into the first mounting hole 350 and the second mounting hole 405 to fix the support rod 3 on the fixing plate 40.

The implementation principle of the opacity detector in the embodiment of the application is as follows: the collecting head 11 is fixed on the fixing plate 40, a user holds the support rod 3 by hand, the positioning ring 50 is sleeved on the air outlet, the fixing plate 40 is moved towards the direction of the exhaust funnel 0, the collecting head 11 extends into the exhaust funnel 0, and the phenomenon that the user sucks a large amount of tail gas during the tail gas detection of the motor vehicle is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An opacity detector, comprising: the collecting device comprises a host (1) and a collecting pipe (10) communicated with the host (1), wherein a collecting head (11) is arranged at the end part of the collecting pipe (10), the collecting device further comprises a clamping device (2) used for fixing the collecting head (11), the clamping device (2) comprises a supporting rod (3) and a clamping structure (4), the clamping structure (4) is installed on the supporting rod (3), and the collecting head (11) is fixed on the clamping structure (4).

2. The opacity tester of claim 1, wherein: clamping device (2) are including fixed plate (40) and fixed subassembly (41), fixed subassembly (41) are including mounting (42), mounting (42) are including connecting rod (420) and screw rod (421), screw rod (421) set up the tip at connecting rod (420), fixed orifices (402) have been seted up on fixed plate (40), screw rod (421) can wear to establish in fixed orifices (402), fixed subassembly (41) still include fixation nut (43), fixation nut (43) and screw rod (421) threaded connection.

3. The opacity tester of claim 2, wherein: the fixed plate (40) is provided with a placing groove (400) for placing the collecting head (11), the placing groove (400) forms an opening (401) at the end of the placing plate, and the collecting end of the collecting head (11) extends out of the opening (401).

4. The opacity tester of claim 2, wherein: be provided with location structure (5) on clamping structure (4), location structure (5) are including holding ring (50) and slide bar (51), slide bar (51) and holding ring (50) fixed connection, be provided with spout (403) on fixed plate (40), slide bar (51) sliding connection is in spout (403), be provided with reset spring (44) that are used for making holding ring (50) cunning to reset in spout (403).

5. The opacity tester of claim 1, wherein: the supporting rod (3) is a telescopic rod.

6. The opacity tester of claim 5, wherein: branch (3) are including interior pole (30), outer pole (31) and be used for locking Assembly (32) of fixed interior pole (30) position, outer pole (31) cover is established on interior pole (30), be provided with on interior pole (30) and place box (300), locking Assembly (32) are including elastic component (320) and dop (323), elastic component (320) are arranged in and are placed box (300), elastic component (320) are fixed with dop (323), be provided with the card hole on interior pole (30), card hole and outer pole (31) butt can be stretched out in dop (323).

7. The opacity tester of claim 6, wherein: the clamping head (323) is provided with a guide surface (324), and the guide surface (324) faces the end face of the outer rod (31) close to the inner rod (30).

8. The opacity tester of claim 1, wherein: the supporting rod (3) is detachably connected with the mounting plate.

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