CN213632544U - Automobile-used urea sprays assembly gas tightness test fixture - Google Patents
Automobile-used urea sprays assembly gas tightness test fixture Download PDFInfo
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- CN213632544U CN213632544U CN202022575263.9U CN202022575263U CN213632544U CN 213632544 U CN213632544 U CN 213632544U CN 202022575263 U CN202022575263 U CN 202022575263U CN 213632544 U CN213632544 U CN 213632544U
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- automobile
- injection assembly
- assembly
- urea injection
- urea
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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses an automobile-used urea sprays assembly gas tightness test fixture relates to gas tightness test field, including being used for at the fixed automobile-used urea of automobile-used urea injection assembly of horizontal direction and spraying the automobile-used urea of assembly fixing base, automobile-used urea sprays assembly gas tightness test fixture and sprays assembly fixing base top at automobile-used urea and sets firmly the cylinder, the piston rod of cylinder sets up down and the piston rod tip passes through connecting device and connects the air cock, the air cock sets up and sprays assembly fixing base top and automobile-used urea and spray the position that the air inlet joint of assembly corresponds, and the air cock is connected with outside gas tightness leak detector at automobile-used urea. The utility model discloses can solve the problem of proposing in the background art.
Description
Technical Field
The utility model relates to an air tightness test field especially relates to an automobile-used urea sprays assembly gas tightness test fixture.
Background
Some automobile urea injection assemblies in the automobile exhaust emission assembly need to be subjected to air tightness test after production is completed so as to ensure normal use of the automobile urea injection assemblies.
The surface of the automobile urea injection assembly is provided with an air inlet joint. When carrying out the gas tightness among the prior art and detecting, operating personnel is connected air cock and gas tightness leak detector earlier, and manual again inserts the air cock in the air inlet connection, starts the gas tightness leak detector and carries out the gas tightness test to automobile-used urea injection assembly. And after the detection is finished, the operator manually pulls out the air nozzle.
The manual insertion and extraction of the air faucet consumes a long time, resulting in low detection efficiency. The long-time plugging and unplugging of the air nozzle by operators can lead to fatigue increase of personnel and further reduction of detection efficiency. When the operating personnel manually inserts the air cock, often can lead to can't carrying out the gas tightness and detect or the air cock bears atmospheric pressure too big and lead to the air cock to burst because the air cock inserts not in place, produces serious potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a problem that provides in the solution background art is a urea injection assembly gas tightness test fixture for vehicle is provided.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an automobile-used urea sprays assembly gas tightness test fixture, sprays the automobile-used urea of assembly including being used for fixing automobile-used urea at the horizontal direction and sprays the assembly fixing base, automobile-used urea sprays assembly gas tightness test fixture and sprays assembly fixing base top at automobile-used urea and sets firmly the cylinder, the piston rod of cylinder sets up down and the air cock is connected through connecting device to the piston rod tip, the air cock sets up and sprays the position that the air inlet connector of assembly corresponds with automobile-used urea above the assembly fixing base, and the air cock is connected with outside gas tightness leak detector.
Further, automobile-used urea sprays assembly gas tightness test fixture still includes the base, automobile-used urea sprays assembly fixing base and passes through the bolt and can dismantle and be connected, the base sets up the riser in automobile-used urea sprays assembly fixing base left and right sides symmetry, connects through the cylinder mounting panel between two risers, the cylinder passes through the bolt and can dismantle with the cylinder mounting panel and be connected, and the tailpiece of the piston rod portion of cylinder sets firmly first connecting plate, and the below of first connecting plate passes through the bolt and can dismantle with the second connecting plate and be connected, the side of second connecting plate sets up the bulge, the air cock passes through the bolt and can dismantle with the bulge and be connected.
Furthermore, the upper surface of the automobile-used urea injection assembly fixing seat is provided with a positioning pin and a positioning block which are matched with the automobile-used urea injection assembly at a position corresponding to the automobile-used urea injection assembly.
Further, the number of the positioning pins and the number of the positioning blocks are two respectively.
Further, the lower surface of the second connecting plate is also provided with a buffering limiting device used for limiting and buffering the automobile urea injection assembly in the vertical direction in the air tightness detection process.
Further, buffering stop device is including buffering spacing post, buffering spacing post can be dismantled with the second connecting plate through the spacing post mounting panel of buffering that sets up at its top and be connected, the bottom of buffering spacing post sets up the buffer board, the material of buffer board is the sponge.
The utility model discloses following beneficial effect has:
1. the utility model discloses an automobile-used urea sprays assembly gas tightness test fixture can use the cylinder to carry out pneumatic plug to the air cock. The pneumatic plugging and unplugging are intersected with manual plugging and unplugging, so that the speed is higher and the efficiency is higher.
2. The utility model discloses an automobile-used urea sprays assembly gas tightness test fixture can use the cylinder to carry out pneumatic plug to the air cock. The problem of fatigue does not exist in the cylinder, and plug efficiency further improves.
3. The utility model discloses an automobile-used urea sprays assembly gas tightness test fixture can realize the accurate plug of air cock under the drive of cylinder, can not appear the air cock and insert the problem not in place, can not lead to unable gas tightness detection, can not produce the potential safety hazard yet.
Drawings
FIG. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of another angle of the present invention;
fig. 3 is a perspective view of the utility model connected with a urea injection assembly for a vehicle.
Detailed Description
Example 1:
as shown in fig. 1-3, a vehicle urea sprays assembly gas tightness test fixture, including being used for at the fixed vehicle urea of horizontal direction and spraying assembly fixing base 1, vehicle urea sprays assembly gas tightness test fixture and fixes cylinder 2 in vehicle urea sprays assembly fixing base 1 top, the piston rod of cylinder 2 sets up down and the piston rod tip passes through connecting device and connects air cock 3, air cock 3 sets up in vehicle urea sprays assembly fixing base 1 top and the position that vehicle urea sprays assembly's air inlet connector corresponds, and air cock 3 is connected with outside gas tightness leak detector.
The utility model discloses an automobile-used urea sprays assembly gas tightness test fixture can use the cylinder to carry out pneumatic plug to the air cock. The pneumatic plugging and unplugging are intersected with manual plugging and unplugging, so that the speed is higher and the efficiency is higher.
The utility model discloses an automobile-used urea sprays assembly gas tightness test fixture can use the cylinder to carry out pneumatic plug to the air cock. The problem of fatigue does not exist in the cylinder, and plug efficiency further improves.
The utility model discloses an automobile-used urea sprays assembly gas tightness test fixture can realize the accurate plug of air cock under the drive of cylinder, can not appear the air cock and insert the problem not in place, can not lead to unable gas tightness detection, can not produce the potential safety hazard yet.
Automobile-used urea sprays assembly gas tightness test fixture still includes base 4, automobile-used urea sprays assembly fixing base 1 and base 4 and can dismantle through the bolt and be connected, base 4 sprays assembly fixing base 1 left and right sides symmetry at automobile-used urea and sets up riser 41, connects through cylinder mounting panel 42 between two riser 41, cylinder 2 can dismantle through bolt and cylinder mounting panel 42 and be connected, and the tailpiece of the piston rod portion of cylinder 2 sets firmly first connecting plate 21, and the below of first connecting plate 21 is passed through the bolt and can dismantle with second connecting plate 5 and be connected, the side of second connecting plate 5 sets up bulge 54, air cock 3 can dismantle through bolt and bulge 54 and be connected.
The upper surface of the automobile urea injection assembly fixing seat 1 is provided with a positioning pin 11 and a positioning block 12 which are matched with the automobile urea injection assembly at the position corresponding to the automobile urea injection assembly.
The number of the positioning pins 11 and the number of the positioning blocks 12 are two respectively.
The lower surface of the second connecting plate 5 is also provided with a buffer limiting device used for limiting and buffering the automobile urea injection assembly in the vertical direction in the air tightness detection process.
Buffering stop device is including buffering spacing post 51, buffering spacing post 51 can be dismantled with second connecting plate 5 through the spacing post mounting panel 53 of buffering that sets up at its top and be connected, the bottom of buffering spacing post 51 sets up buffer board 52, the material of buffer board 52 is the sponge.
Sponge is a preferred cushioning material.
The working process is as follows:
an operator fixes the automobile urea injection assembly to be detected in air tightness on an automobile urea injection assembly fixing seat 1 through a positioning pin 11 and a positioning block 12, then starts the air cylinder 2, a piston rod of the air cylinder 2 drives the first connecting plate 21 to move downwards, the air nozzle 3 moves downwards and is inserted into an air inlet connector of the automobile urea injection assembly, the buffering limiting device performs buffering and limiting, the operator starts the air tightness leak detector to perform air tightness detection on the automobile urea injection assembly, after the detection is finished, the operator closes the air cylinder 2, and the air nozzle 3 is pulled out from the air inlet connector and returns to the original position.
When the air tightness detection is carried out on the automobile urea injection assemblies with different specifications, operators replace different automobile urea injection assembly fixing seats 1 and different lengths of buffering limiting columns 51 so as to adapt to the air tightness detection of the automobile urea injection assemblies with different specifications.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art can make some changes or modifications to equivalent embodiments with equivalent changes without departing from the technical scope of the present invention, but all those persons do not depart from the technical spirit of the present invention, and any simple modifications, equivalent replacements, and improvements made to the above embodiments are within the spirit and principle of the present invention, and still belong to the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides an automobile-used urea sprays assembly gas tightness test fixture, its characterized in that, sprays assembly fixing base (1) including being used for at the fixed automobile-used urea of horizontal direction injection assembly, automobile-used urea sprays assembly gas tightness test fixture and sets firmly cylinder (2) in automobile-used urea injection assembly fixing base (1) top, the piston rod of cylinder (2) sets up down and the piston rod tip passes through connecting device and connects air cock (3), air cock (3) set up in automobile-used urea sprays assembly fixing base (1) top and the automobile-used urea and sprays the position that the air inlet connector of assembly corresponds, and air cock (3) are connected with outside gas tightness leak detector.
2. The tooling for testing the airtightness of the urea injection assembly for vehicles according to claim 1, wherein, the automobile urea injection assembly airtightness testing tool further comprises a base (4), the automobile urea injection assembly fixing seat (1) is detachably connected with the base (4) through a bolt, the vertical plates (41) are symmetrically arranged on the left side and the right side of the vehicle urea injection assembly fixing seat (1) of the base (4), the two vertical plates (41) are connected through a cylinder mounting plate (42), the cylinder (2) is detachably connected with the cylinder mounting plate (42) through a bolt, the end part of a piston rod of the cylinder (2) is fixedly provided with a first connecting plate (21), the lower part of the first connecting plate (21) is detachably connected with a second connecting plate (5) through a bolt, the side of second connecting plate (5) sets up bulge (54), air cock (3) are through bolt and bulge (54) detachable connection.
3. The vehicle urea injection assembly airtightness testing tool according to claim 2, wherein a positioning pin (11) and a positioning block (12) which are matched with the vehicle urea injection assembly are arranged on the upper surface of the vehicle urea injection assembly fixing seat (1) at positions corresponding to the vehicle urea injection assembly.
4. The automotive urea injection assembly airtightness test tool according to claim 3, wherein the number of the positioning pins (11) and the number of the positioning blocks (12) are two.
5. The automobile urea injection assembly airtightness testing tool according to claim 2, wherein a buffering limiting device for limiting and buffering the automobile urea injection assembly in the vertical direction in the airtightness detection process is further provided on the lower surface of the second connecting plate (5).
6. The vehicle urea injection assembly airtightness test tool according to claim 5, wherein the buffering and limiting device comprises a buffering and limiting column (51), the buffering and limiting column (51) is detachably connected with the second connecting plate (5) through a buffering and limiting column mounting plate (53) arranged at the top of the buffering and limiting column, a buffer plate (52) is arranged at the bottom of the buffering and limiting column (51), and the buffer plate (52) is made of sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022575263.9U CN213632544U (en) | 2020-11-10 | 2020-11-10 | Automobile-used urea sprays assembly gas tightness test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022575263.9U CN213632544U (en) | 2020-11-10 | 2020-11-10 | Automobile-used urea sprays assembly gas tightness test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213632544U true CN213632544U (en) | 2021-07-06 |
Family
ID=76631566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022575263.9U Active CN213632544U (en) | 2020-11-10 | 2020-11-10 | Automobile-used urea sprays assembly gas tightness test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213632544U (en) |
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2020
- 2020-11-10 CN CN202022575263.9U patent/CN213632544U/en active Active
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