CN219996517U - Fixing device of exhaust flowmeter - Google Patents
Fixing device of exhaust flowmeter Download PDFInfo
- Publication number
- CN219996517U CN219996517U CN202320680525.9U CN202320680525U CN219996517U CN 219996517 U CN219996517 U CN 219996517U CN 202320680525 U CN202320680525 U CN 202320680525U CN 219996517 U CN219996517 U CN 219996517U
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- regulator
- guardrail
- flowmeter
- plate
- exhaust
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- 238000005070 sampling Methods 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 3
- 238000012360 testing method Methods 0.000 abstract description 30
- 238000000034 method Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 238000009434 installation Methods 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 7
- BUCXEFZXWKUCCY-UHFFFAOYSA-N 4-methyl-3-(2-phenylethyl)-1,2,4-oxadiazol-5-one Chemical compound O1C(=O)N(C)C(CCC=2C=CC=CC=2)=N1 BUCXEFZXWKUCCY-UHFFFAOYSA-N 0.000 description 4
- 238000002229 photoelectron microspectroscopy Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a fixing device of an exhaust flowmeter, which can effectively prevent the exhaust flowmeter from falling off in the test process of a vehicle and avoid the economic loss of equipment, and comprises the following components: the guardrail clamping and fixing assembly is matched with a guardrail of the whole vehicle to fix the fixing device on the whole vehicle; flowmeter clamping assembly, flowmeter clamping assembly installs guardrail clamping fixed subassembly is last, flowmeter clamping assembly includes the regulator, install fixture on the regulator, fixture includes the first splint and the second splint of the exhaust flowmeter of upper and lower cooperation centre gripping, install position adjustment lead screw on the regulator, first splint are fixed on the regulator, be equipped with the through-hole on the first splint, position adjustment lead screw passes through the through-hole setting on the first splint, the second splint with position adjustment lead screw thread fit.
Description
Technical Field
The utility model relates to the technical field of whole vehicle exhaust testing, in particular to a fixing device of an exhaust flowmeter.
Background
In the process of engine and whole vehicle emission calibration test, in order to effectively measure and control exhaust pollutants of the engine and the whole vehicle, the exhaust pollutants need to be measured by a corresponding gas analyzer. The corresponding gas analyzer can be used for measuring components such as NOx, CO2, COL, THC, CH and the like in the exhaust in real time, and then each functional module of the whole engine is calibrated according to real-time measurement data, so that the concentration of pollutants in the exhaust is reduced, and the emission level of each component meets the national emission standard requirement.
In the whole vehicle emission test, PEMS (motor vehicle exhaust emission test) equipment is used for carrying out the whole vehicle emission test, and a great deal of time is often required to carry out equipment fixing operation before the test in order to ensure that equipment is not jolt and damaged due to road conditions, vehicle conditions and the like in the emission test, so that equipment is prevented from falling off and being damaged.
In the prior art, when fixing the exhaust flowmeter, the exhaust flowmeter is always directly fixed on a side guard rail of a vehicle by utilizing iron wires, the fixing is disordered, the height after the fixing cannot be adjusted at will, and the expertise is not strong. When personnel operate equipment to check pipelines, the sheared iron wire root is easy to scratch personnel, scratch pipelines and the like.
The test equipment is seriously damaged because of poor test road conditions in the test process, the iron wire is deformed and broken due to vibration of the whole vehicle, the risk of falling off of the flowmeter exists, the test progress is affected, and the fixing reliability is not high.
When the thin iron wires are used for fixing, the whole flowmeter is required to be wound and fixed, the surface of equipment, the pipeline of the equipment, the connector of the equipment and the like are easy to scratch, if the winding positions of the iron wires are not right, equipment damage can be caused, for example, the iron wires are wound on the pipeline to be inserted quickly, and the pipeline can be broken by inserting quickly. Every time the whole car is discharged and tested, the equipment is wound and fixed irregularly, the test preparation time is long, the test efficiency is low, and the labor intensity of personnel is high.
The chinese patent publication No. CN211178634U discloses an exhaust flowmeter fixing device for PEMS test of commercial vehicles, which is inconvenient to adjust the installation height, and the fixing of the whole fixing device and the whole vehicle is inconvenient.
Disclosure of Invention
Aiming at the problems, the utility model provides the fixing device of the exhaust flowmeter, which can be applied to PEMS tests of various vehicles, can effectively utilize the guard rail of the vehicle to carry out rapid adjustment and fixation, has strong applicability and wide application, can effectively prevent the exhaust flowmeter from falling off in the test process of the vehicle, and avoids the economic loss of equipment.
The technical scheme is as follows: a fixture for an exhaust gas flow meter, comprising:
the guardrail clamping and fixing assembly is matched with a guardrail of the whole vehicle to fix the fixing device on the whole vehicle;
flowmeter clamping assembly, flowmeter clamping assembly installs guardrail clamping fixed subassembly is last, flowmeter clamping assembly includes the regulator, install fixture on the regulator, fixture includes the first splint and the second splint of the exhaust flowmeter of upper and lower cooperation centre gripping, install position adjustment lead screw on the regulator, first splint are fixed on the regulator, be equipped with the through-hole on the first splint, position adjustment lead screw passes through the through-hole setting on the first splint, the second splint with position adjustment lead screw thread fit.
Further, the side frames on two sides of the regulator are provided with mounting adjusting holes which are arranged at equal intervals, the first clamping plate is correspondingly provided with mounting holes, and the first clamping plate is matched and fixed on the regulator through bolts, the mounting holes and the mounting adjusting holes.
Further, V-shaped encircling parts matched with the exhaust pipes of the exhaust flowmeter are respectively arranged on the first clamping plate and the second clamping plate.
Further, guardrail centre gripping fixed subassembly includes the top board, the top board is including the installation splint that can the suit be in on the regulator, correspond on the installation splint the installation regulation hole of regulator is equipped with the mounting hole, the top board pass through the bolt with the mounting hole reaches the installation regulation hole cooperation is fixed on the regulator, the top board still includes can hang the dress portion with rail guard complex guardrail, the top board passes through the guardrail is hung the dress portion and is in on the rail guard, still be equipped with top board fixing bolt on the guardrail is hung the dress portion, adjust the top board fixing bolt can with the rail guard is locked in the guardrail is hung the dress portion.
Further, at least two guardrail hanging parts of the upper pressing plate are arranged in the height direction.
Further, still be equipped with vertical spout on the side frame of regulator both sides, vertical spout extends to the bottom of regulator, guardrail centre gripping fixed subassembly still includes the holding down plate, the holding down plate include with regulator assorted embraces the portion, be equipped with vertical spout complex slider on the embracing portion, the holding down plate is from supreme follow down vertical spout remove install on the regulator, still be provided with quick locking handle on the holding down plate, the holding down plate passes through quick locking handle is fixed on the regulator, the holding down plate still includes can with rail guard complex guardrail portion of bearing, still be equipped with holding down plate fixing bolt on the guardrail portion of bearing, adjust holding down plate fixing bolt can with the rail guard is locked in the guardrail portion of bearing.
Further, threaded holes are machined in the bottoms of the side frames on two sides of the regulator, and the lower pressing plate limiting plates are fixed on the outer sides of the side frames on two sides of the regulator in a matched mode through bolts and the threaded holes, and the lower pressing plate limiting plates are located at the bottoms of the vertical sliding grooves to limit the lower pressing plates.
Further, the exhaust flowmeter comprises an exhaust pipe, quick-mounting flanges are arranged at two ends of the exhaust pipe and used for connecting a catalyst to be detected, a sampling pipe is arranged on the exhaust pipe, and a flow control box is connected to the upper end of the sampling pipe.
Further, the top and the bottom of the regulator are respectively provided with a screw rod mounting hole, two ends of the position adjusting screw rod are respectively mounted in the screw rod mounting holes, the bottom of the position adjusting screw rod is provided with a threaded hole, and the position adjusting screw rod limiting plate is mounted at the bottom of the position adjusting screw rod in a matched manner through a screw and the threaded hole.
The fixing device of the exhaust flowmeter has the advantages of convenience and reliability in installation and adjustment and use, strong applicability and flexibility, and can effectively damage equipment and risk of falling off. The whole vehicle height position of the exhaust flowmeter can be quickly adjusted and fixed, the disassembly and the assembly are convenient and quick, and the fixing of the exhaust flowmeters with different specifications and models can be met. The fixing of the flowmeter for the whole vehicle emission test of various vehicles with the side guard rails and the tail guard rails can be met. By utilizing the device, the working efficiency is greatly improved, and the labor intensity and the test preparation time are reduced. The use of flowmeter centre gripping fixed subassembly and the use of position control lead screw subassembly make the flowmeter fixed more firm, and altitude mixture control is more convenient, possesses single installation operation, can effectively avoid equipment at the fish tail of installation, test in-process, drop simultaneously, avoids experimental loss.
Drawings
FIG. 1 is a perspective view of a fixture of an exhaust gas flow meter in an embodiment;
FIG. 2 is a perspective view of a first view of a mounting on a rail of a fixture of an exhaust gas flow meter in an embodiment;
FIG. 3 is a perspective view of a second view of a mounting on a rail of a fixture of an exhaust gas flow meter in an embodiment;
FIG. 4 is a perspective view of an embodiment of an exhaust flow meter securing device from a first perspective after the device is used to hold the exhaust flow meter;
FIG. 5 is a perspective view of a second view of an embodiment of an exhaust flow meter securing device after clamping the exhaust flow meter;
fig. 6 is a side view of an embodiment of an exhaust flow meter securing device after clamping the exhaust flow meter.
Detailed Description
As described in the background art, the existing design has no fixing device specially used for the exhaust flowmeter for the whole vehicle emission test, in the previous test, the exhaust flowmeter is usually required to be bound on the vehicle by an iron wire each time, the fixing is disordered, irregular, poor in reliability, weak in specificity and the test efficiency is affected.
In order to shorten the test preparation time, reduce the test cost, improve the work efficiency, and improve the aspect of the expertise of the test, the following exhaust flowmeter fixing device is specially designed for effectively fixing the exhaust flowmeter equipment.
Referring to fig. 1 to 6, a fixing device of an exhaust gas flow meter of the present utility model includes:
the guard rail clamping and fixing assembly 100, the guard rail clamping and fixing assembly 100 is matched with a guard rail 400 of the whole vehicle, the fixing device of the exhaust flowmeter in the embodiment is fixed on the whole vehicle, the guard rail 400 can be a vehicle side guard rail or a tail guard rail,
the flowmeter clamping assembly 200, the flowmeter clamping assembly 200 is installed on the guardrail clamping fixing assembly 100, the flowmeter clamping assembly 200 comprises a regulator 201, a clamping mechanism is installed on the regulator 201, the clamping mechanism comprises a first clamping plate 202 and a second clamping plate 203 of an exhaust flowmeter 300 which are clamped in an upper matching mode and a lower matching mode, in the embodiment, the first clamping plate 202 is an upper clamping plate, the second clamping plate 203 is a lower clamping plate, a position adjusting screw 204 is installed on the regulator 201, the first clamping plate 202 is fixed on the regulator 201, a through hole 205 is formed in the first clamping plate 202, the position adjusting screw 204 penetrates through the through hole 205 in the first clamping plate, and the second clamping plate 203 is in threaded fit with the position adjusting screw.
The exhaust flowmeter 300 can be fast fixed on the fixing device through the flowmeter clamping and fixing assembly 200, and the height position of the exhaust flowmeter 300 can be effectively adjusted through the position adjusting screw 204, so that the exhaust flowmeter can be fast connected with an engine exhaust pipe conveniently, and meanwhile, the flowmeter clamping and fixing assembly 200 can be used for fixing flowmeter exhaust pipes of different specifications through the matching of the first clamping plate 202 and the second clamping plate 203, so that the applicability is strong, and the clamping and adjusting are convenient.
Specifically, in one embodiment of the present utility model, side frames on two sides of the regulator 201 are provided with mounting adjustment holes 206 arranged at equal intervals, the mounting adjustment holes 206 are countersunk holes, the first clamping plate 202 is correspondingly provided with mounting holes, and the first clamping plate 202 is fixed on the regulator 201 through matching of bolts, the mounting holes and the mounting adjustment holes 206.
The first clamping plate 202 can be reasonably fixed on the regulator body through countersunk bolts according to requirements, so that the height of the flowmeter can be reasonably adjusted conveniently, the upper and lower positions of the first clamping plate 202 can be adjusted according to the positions of holes which are equidistantly arranged on the side surface of the regulator body, the first clamping plate 202 is in non-contact with a position adjusting screw rod, the position adjusting screw rod passes through a through hole of the upper clamping plate, the second clamping plate 203 can be adjusted in height up and down through the position adjusting screw rod, the adjusting force can be controlled according to the tightening torque of the adjusting screw rod, the exhaust flowmeter 300 can be effectively clamped,
in addition, in the embodiment, the first clamping plate 202 and the second clamping plate 203 are respectively provided with a V-shaped encircling part 207 matched with the exhaust pipe of the exhaust flowmeter, and the clamping mode of the V-shaped encircling part 207 is adopted for effectively fixing the exhaust flowmeter assembly.
Specifically, in the embodiment of the present utility model, the top and the bottom of the regulator 201 are respectively provided with a screw mounting hole 211, so that the installation and the limitation of the screw are facilitated, the two ends of the position adjusting screw 204 are respectively installed in the screw mounting holes 211, the bottom of the position adjusting screw is provided with a threaded hole, and the position adjusting screw limiting plate 212 is installed at the bottom of the position adjusting screw through the cooperation of a screw and the threaded hole.
The adjusting screw limiting plate 212 is installed at the bottom of the adjusting screw, and the adjusting screw can be effectively limited to move when the height position of the lower pressing plate is adjusted through cooperation with the bottom of the adjuster 201. The adjusting screw limiting plate 212 is matched with the bolt, so that the limiting of the adjusting screw, the disassembly, the assembly, the adjustment and the like of the later screw can be effectively performed.
Specifically, in one embodiment of the present utility model, the guardrail clamping and fixing assembly 100 includes an upper pressing plate 101, the upper pressing plate 101 includes a mounting clamping plate 102 that can be sleeved on the adjuster, the mounting clamping plate 102 is provided with mounting holes corresponding to the mounting adjusting holes 206 of the adjuster, the upper pressing plate 101 is fixed on the adjuster 201 through the matching of bolts and the mounting adjusting holes 206, the upper pressing plate 101 further includes a guardrail hanging portion 103 that can be matched with the guardrail 400, the upper pressing plate 101 is hung on the guardrail 400 through the guardrail hanging portion 103, the guardrail hanging portion 103 is further provided with an upper pressing plate fixing bolt 104, and the upper pressing plate fixing bolt 104 is adjusted to lock the guardrail 400 in the guardrail hanging portion 103, so that the upper pressing plate 101 and the guardrail 400 are fixedly connected.
The upper pressing plate is matched with the installation adjusting hole 206 through a bolt, so that the upper pressing plate is effectively fixed on the regulator 201, the position of the upper pressing plate can be adjusted up and down according to equidistant holes on the side surface of the regulator body, and the interference between the device and the whole vehicle can be avoided through reasonable adjustment of the height; the upper pressure plate carries out effectual laminating with guardrail and regulator body through upper pressure plate fixing bolt 104 is quick, prevents that the device from rocking.
Specifically, in one embodiment of the present utility model, vertical sliding grooves 208 are further formed in side frames on two sides of the regulator 201, the vertical sliding grooves 208 extend to the bottom of the regulator 201, the guardrail clamping and fixing assembly further comprises a lower pressing plate 105, the lower pressing plate 105 comprises an encircling part 106 matched with the regulator 201, a sliding block 107 matched with the vertical sliding grooves is arranged on the encircling part 106, the lower pressing plate 105 is movably mounted on the regulator 201 from bottom to top along the vertical sliding grooves 208 during assembly, a quick locking handle 108 is further arranged on the lower pressing plate, the lower pressing plate 105 is fixed on the regulator 201 through the quick locking handle 108, the lower pressing plate 105 further comprises a guardrail bearing part 109 matched with the guardrail, a lower pressing plate fixing bolt 110 is further arranged on the guardrail bearing part 109, and the guardrail 400 can be locked in the guardrail bearing part 109 by adjusting the lower pressing plate fixing bolt 110.
In addition, screw holes 209 are machined in the bottoms of the side frames on the two sides of the regulator 201, and a lower pressing plate limiting plate 210 is fixed on the outer sides of the side frames on the two sides of the regulator 201 in a matched mode through bolts and the screw holes 209, and the lower pressing plate limiting plate 210 limits the lower pressing plate 105 at the bottom of the vertical sliding groove 208.
The lower pressing plate 105 is matched with the chute 208 on the side surface of the regulator body, the effective fixation of the lower pressing plate and the regulator is realized through the quick locking handle 108 on the lower pressing plate, and meanwhile, the up-and-down adjustment of the position of the lower pressing plate can be quickly carried out, so that the lower pressing plate can be ensured to be effectively contacted with the guardrail for fixation; the holding down plate can be according to the guardrail about the free adjustment, ensures that can effectually fix on the guardrail, utilizes holding down plate fixing bolt 110 equally, can be quick carry out effectual laminating with guardrail and regulator body, and the preventing device rocks.
The holding down plate limiting plate is dismantled earlier during the holding down plate installation, installs into through regulator body bottom side spout, then installs holding down plate limiting plate for limiting the extreme position of holding down plate, prevent to drop when the holding down plate uses.
The fixing device of the exhaust flowmeter can be fast fixed by utilizing the guardrail clamping and fixing assembly in the embodiment, and the height of the device on the side guard rail and the tail guard rail of the vehicle can be freely adjusted.
In the embodiment of the utility model, the exhaust flowmeter 300 comprises an exhaust pipe 301, two ends of the exhaust pipe are provided with quick-mounting flanges 302 for connecting a catalyst to be tested, a sampling pipe 303 is arranged on the exhaust pipe, the sampling pipe 303 also stretches into the exhaust pipe 301, and the upper end of the sampling pipe 303 is connected with a flow control box 304.
The utility model designs the exhaust flowmeter fixing device for the whole vehicle test, which has the advantages of simple structure, convenient installation, firm fixation and strong applicability, and can be suitable for different vehicle types.
The fixing device in the embodiment has the function of fast clamping and fixing with the vehicle side guard rail and the tail guard rail; the device has the function of freely adjusting the heights of the exhaust flowmeter fixing device on the vehicle side guard rail and the tail guard rail; the device has the functions of rapid clamping and fixing of the exhaust flowmeter and height position adjustment of an exhaust flowmeter assembly; the device has the function of rapidly clamping exhaust flowmeter assemblies of different specifications and types, and has the function of rapidly connecting an exhaust flowmeter with an exhaust pipe.
The fixing device in the embodiment is fixed on the whole vehicle through the guardrail clamping and fixing assembly, then the flowmeter clamping and fixing assembly is utilized, the exhaust flowmeter is fast fixed on the position of the expected vehicle side guard rail or the position of the tail guard rail, the flowmeter can be fast connected with an engine exhaust pipeline at the moment, the whole vehicle test preparation work is convenient, and the device has the advantages of reasonable and ingenious structural design, simplicity in use, convenience, reliability, flexibility, high safety, fast fixing, fast height adjustment and the like. The device can be suitable for PEMS tests of various vehicles, can effectively utilize the side protection and the tail protection of the vehicles to carry out rapid adjustment and fixation, has strong applicability and wide application, can effectively prevent the vehicles from falling off of the exhaust flowmeter in the test process, and avoids the economic loss of equipment.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (9)
1. A fixture for an exhaust gas flow meter, comprising:
the guardrail clamping and fixing assembly is matched with a guardrail of the whole vehicle to fix the fixing device on the whole vehicle;
flowmeter clamping assembly, flowmeter clamping assembly installs guardrail clamping fixed subassembly is last, flowmeter clamping assembly includes the regulator, install fixture on the regulator, fixture includes the first splint and the second splint of the exhaust flowmeter of upper and lower cooperation centre gripping, install position adjustment lead screw on the regulator, first splint are fixed on the regulator, be equipped with the through-hole on the first splint, position adjustment lead screw passes through the through-hole setting on the first splint, the second splint with position adjustment lead screw thread fit.
2. The fixture of an exhaust gas flow meter of claim 1, wherein: the side frames on two sides of the regulator are provided with mounting adjustment holes which are arranged at equal intervals, the first clamping plate is correspondingly provided with mounting holes, and the first clamping plate is matched and fixed on the regulator through bolts, the mounting holes and the mounting adjustment holes.
3. The fixture of an exhaust gas flow meter of claim 1, wherein: and V-shaped encircling parts matched with the exhaust pipes of the exhaust flowmeter are respectively arranged on the first clamping plate and the second clamping plate.
4. The fixture of an exhaust gas flow meter of claim 1, wherein: the guardrail clamping and fixing assembly comprises an upper pressing plate, the upper pressing plate comprises a mounting clamping plate which can be sleeved on the regulator, a mounting hole is formed in the mounting clamping plate and corresponds to the mounting adjusting hole of the regulator, the upper pressing plate is fixed on the regulator through the cooperation of a bolt and the mounting hole and the mounting adjusting hole, the upper pressing plate further comprises a guardrail hanging portion which can be matched with a protective fence, the upper pressing plate is hung on the protective fence through the guardrail hanging portion, an upper pressing plate fixing bolt is further arranged on the guardrail hanging portion, and the protective fence can be locked in the guardrail hanging portion by adjusting the upper pressing plate fixing bolt.
5. The fixture of an exhaust gas flow meter of claim 4, wherein: at least two guardrail hanging parts of the upper pressing plate are arranged in the height direction.
6. The fixture of an exhaust gas flow meter of claim 4, wherein: still be equipped with vertical spout on the side frame of regulator both sides, vertical spout extends to the bottom of regulator, guardrail centre gripping fixed subassembly still includes the holding down plate, the holding down plate include with regulator assorted embraces the portion, be equipped with vertical spout complex slider on the embracing portion, the holding down plate is followed from down supreme vertical spout removes to install on the regulator, still be provided with quick locking handle on the holding down plate, the holding down plate passes through quick locking handle is fixed on the regulator, the holding down plate still includes can with rail guard complex guardrail portion of bearing, still be equipped with holding down plate fixing bolt on the guardrail portion of bearing, adjust holding down plate fixing bolt can with the rail guard is locked in the guardrail portion of bearing.
7. The fixture of an exhaust gas flow meter of claim 6, wherein: the bottom processing of the side frame of regulator both sides has the screw hole, and the holding down plate limiting plate pass through the bolt with the screw hole cooperation is fixed the outside of the side frame of regulator both sides, the holding down plate limiting plate is in the bottom of vertical spout is right the holding down plate is spacing.
8. The fixture of an exhaust gas flow meter of claim 1, wherein: the exhaust flowmeter comprises an exhaust pipe, wherein quick-mounting flanges are arranged at two ends of the exhaust pipe and used for connecting a catalyst to be detected, a sampling pipe is arranged on the exhaust pipe, and the upper end of the sampling pipe is connected with a flow control box.
9. The fixture of an exhaust gas flow meter of claim 1, wherein: the top and the bottom of regulator are provided with the lead screw mounting hole respectively, the both ends of position adjustment lead screw are installed respectively in the lead screw mounting hole, the bottom of position adjustment lead screw is provided with the screw hole, the position adjustment lead screw limiting plate pass through the screw with the screw hole cooperation is installed the bottom of position adjustment lead screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320680525.9U CN219996517U (en) | 2023-03-31 | 2023-03-31 | Fixing device of exhaust flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320680525.9U CN219996517U (en) | 2023-03-31 | 2023-03-31 | Fixing device of exhaust flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219996517U true CN219996517U (en) | 2023-11-10 |
Family
ID=88608439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320680525.9U Active CN219996517U (en) | 2023-03-31 | 2023-03-31 | Fixing device of exhaust flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219996517U (en) |
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2023
- 2023-03-31 CN CN202320680525.9U patent/CN219996517U/en active Active
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