CN218211831U

CN218211831U - Exhaust manifold pressure loss airtightness detection device

Info

Publication number: CN218211831U
Application number: CN202221200009.3U
Authority: CN
Inventors: 梅凤平
Original assignee: Jiangyin Xingda Machinery Co ltd
Current assignee: Jiangyin Xingda Machinery Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2023-01-03
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses an exhaust manifold pressure loss gas tightness detection device, comprises a workbench, the workstation top department placed in the middle is provided with sealing mechanism, workstation one side is fixed to be pegged graft there is the intake pipe, intake pipe one end fixedly connected with baroceptor, the intake pipe surface is located the inside fixed cover that has cup jointed of workstation, fixed cover surface is provided with the gasbag cover, the intake pipe surface is located and has seted up the through-hole between fixed cover and the baroceptor, the intake pipe is located the fixed grafting of the outside one end of workstation and has fixed pipe, fixed pipe one end and second air pump fixed connection, the utility model discloses the effectual current exhaust manifold gas tightness of having solved detects most all to lean on water to inspect its gas tightness, and exhaust manifold can remain moisture, and before follow-up work, still need dry it, has reduced exhaust manifold production efficiency's problem.

Description

Exhaust manifold pressure loss airtightness detection device

Technical Field

The utility model relates to an air tightness detection device technical field specifically is an exhaust manifold pressure loss gas tightness detection device.

Background

The exhaust manifold is connected to the engine block and collects the exhaust gases from the cylinders into an exhaust manifold with diverging lines. The requirements for the device are mainly that exhaust resistance is reduced as much as possible, mutual interference among cylinders is avoided, and the exhaust manifold needs to detect air tightness in the production process.

Most of the existing exhaust manifold airtightness detection methods rely on water to detect the airtightness, the exhaust manifold can retain moisture, and the exhaust manifold needs to be dried before subsequent work, so that the production efficiency of the exhaust manifold is reduced, and the requirements of users are not met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exhaust manifold pressure loss gas tightness detection device to solve the gas tightness and detect most of them all to lean on water to inspect its gas tightness, exhaust manifold can remain moisture, before follow-up work, still need dry it, has reduced exhaust manifold production efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: including the workstation, workstation top department placed in the middle is provided with sealing mechanism, workstation one side is fixed to be pegged graft and is had the intake pipe, intake pipe one end fixedly connected with baroceptor, the intake pipe surface is located the fixed cover that has cup jointed of the inside one end of workstation, fixed cover surface is provided with the gasbag cover, the intake pipe surface is located and has seted up the through-hole between fixed cover and the baroceptor, the intake pipe is located the fixed pipe of pegging graft of the outside one end of workstation, fixed pipe one end and second air pump fixed connection, gasbag cover one end is fixed to be pegged graft and is had the conveyer pipe, conveyer pipe one end and first air pump fixed connection.

Wherein, sealing mechanism includes electric putter and shutoff board, workstation top fixedly connected with electric putter placed in the middle, electric putter keeps away from workstation one end fixedly connected with shutoff board.

Wherein, the shutoff board is kept away from electric putter one end fixedly connected with annular sealing washer.

Wherein, the fixed cover and the gasbag cover cross-section all are T style of calligraphy structure.

The top of the other side of the workbench is fixedly connected with a fixed plate, the top of the fixed plate is in threaded insertion connection with a fixed screw, and the bottom of the fixed screw is rotatably connected with a limiting plate.

The first air pump and the second air pump are electrically connected with an external power supply, one end, far away from the conveying pipe, of the first air pump is fixedly connected with an air outlet pipe, and a valve is fixedly mounted inside the air outlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

place exhaust manifold's multitube mouth one end on the shutoff board, then cup joint exhaust manifold's breather pipe mouth on gasbag cover surface, then start first air pump, make first air pump aerify to gasbag cover inside through the conveyer pipe, make gasbag cover swell, seal exhaust manifold's breather pipe mouth, then press exhaust manifold, make the shutoff board can advance sealedly with exhaust manifold's multitube mouth one end, then utilize the second air pump to aerify to intake pipe inside through fixed pipe, the inside gas of intake pipe flows into exhaust manifold through the through-hole, when baroceptor detects numerical value and is in the scope value that sets up, carry out the steady pressure, after appointed time quantum, if the numerical value that baroceptor detected is less than when presetting the lower limit value of pressure, this exhaust manifold gas tightness is unqualified, can effectually avoid exhaust manifold to utilize water to detect that moisture can remain and lead to a series of follow-up problems.

Drawings

Fig. 1 is a top view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the sealing mechanism of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a work table; 2. an electric push rod; 3. a plugging plate; 4. a seal ring; 5. a first air pump; 6. a delivery pipe; 7. fixing the tube; 8. a second air pump; 9. fixing a sleeve; 10. an air inlet pipe; 11. a through hole; 12. an air pressure sensor; 13. an air bag cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: including

workstation

1, 1 top department placed in the middle of workstation is provided with sealing mechanism, 1 one side of workstation is fixed to be pegged graft there is intake pipe 10, intake pipe 10 one end fixedly connected with baroceptor 12, intake pipe 10 surface is located 1 inside fixed cover of workstation and has been cup jointed fixed cover 9, fixed cover 9 surface is provided with gasbag cover 13, intake pipe 10 surface is located fixed cover 9 and baroceptor 12 between seted up through-hole 11, intake pipe 10 is located 1 outside one end of workstation and is fixed to be pegged graft there is fixed pipe 7, fixed pipe 7 one end and 8 fixed connection of second air pump, 13 one end of gasbag cover is fixed to be pegged graft there is

conveyer pipe

6, 6 one end and 5 fixed connection of first air pump.

In the scheme, one end of a plurality of openings of an exhaust manifold is placed on a plugging plate 3, then a vent pipe opening of the exhaust manifold is sleeved on the surface of an air bag sleeve 13, then a first air pump 5 is started, the first air pump 5 is used for inflating the air bag sleeve 13 through a conveying pipe 6, the air bag sleeve 13 is bulged, the vent pipe opening of the exhaust manifold is sealed, then the exhaust manifold is pressed, the plugging plate 3 can seal one end of the plurality of openings of the exhaust manifold, then a second air pump 8 is used for inflating an air inlet pipe 10 through a fixing pipe 7, air in the air inlet pipe 10 flows into the exhaust manifold through a through hole 11, when a value detected by an air pressure sensor 12 is within a set range value, pressure stabilization is carried out, after a specified time period, if the value detected by the air pressure sensor 12 is lower than a lower limit value of preset pressure, the air tightness of the exhaust manifold is unqualified, and a series of subsequent problems caused by the fact that moisture can be remained when the air tightness of the exhaust manifold is detected by water can be effectively avoided.

Wherein, sealing mechanism includes electric putter 2 and

shutoff board

3, and 1 top fixedly connected with electric putter 2 placed in the middle of the workstation, electric putter 2 keep away from 1 one end fixedly connected with shutoff board 3 of workstation, and electric putter 2 drives shutoff board 3 and removes in vertical direction, can use with the exhaust manifold of different specifications.

Wherein, the shutoff board 3 is kept away from 2 one end fixedly connected with annular sealing washer 4 of electric putter, improves the leakproofness between shutoff board 3 and the exhaust manifold through sealing washer 4.

Wherein, fixed cover 9 and gasbag cover cross-section all are T style of calligraphy structure, improve the sealing performance between exhaust manifold and the gasbag cover, further prevent the problem of gas leakage.

Wherein, 1 opposite side top fixedly connected with fixed plate of workstation, fixed plate top screw thread is pegged graft and is had clamping screw, and the clamping screw bottom is rotated and is connected with the limiting plate, through rotatory clamping screw for clamping screw drives the limiting plate and moves down, can carry out the centre gripping spacing with exhaust manifold, thereby improves this detection device's convenience and practicality.

Wherein, first air pump 5 and second air pump 8 and external power source electric connection, 6 one end fixedly connected with outlet ducts of conveyer pipe are kept away from to first air pump 5, and the inside fixed mounting of outlet duct has the valve, and after finishing detecting, through opening the valve for the inside gaseous outflow of gasbag cover 13 is convenient for carry out quick dismantlement with gasbag cover 13 and exhaust manifold.

The working principle is as follows: during the use, place exhaust manifold's many mouthfuls one end on shutoff board 3, then cup joint exhaust manifold's breather pipe mouth on gasbag cover 13 surface, then start first air pump 5, make first air pump 5 aerify to gasbag cover 13 inside through conveyer pipe 6, make gasbag cover 13 swell, seal exhaust manifold's breather pipe mouth, then press exhaust manifold, make shutoff board 3 can advance to seal exhaust manifold's many mouthfuls one end, then utilize second air pump 8 to aerify to intake pipe 10 inside through fixed pipe 7, the inside gas of intake pipe 10 flows into exhaust manifold through-hole 11, when baroceptor 12 detects that numerical value is in the scope value that sets up, carry out the steady pressure, after appointed time quantum, if the numerical value that baroceptor 12 detected is less than when presetting the lower limit value of pressure, this exhaust manifold gas tightness is unqualified, can effectually avoid exhaust manifold to utilize water to detect the gas tightness and can remain moisture and lead to a series of follow-up problems.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an exhaust manifold pressure loss gas tightness detection device, includes workstation (1), its characterized in that: workstation (1) top department placed in the middle is provided with sealing mechanism, workstation (1) one side is fixed to be pegged graft and is had intake pipe (10), intake pipe (10) one end fixedly connected with baroceptor (12), intake pipe (10) surface is located the fixed cover of workstation (1) inside one end and has been connect fixed cover (9), fixed cover (9) surface is provided with gasbag cover (13), intake pipe (10) surface is located and has seted up through-hole (11) between fixed cover (9) and baroceptor (12), intake pipe (10) are located fixed the pegging graft of workstation (1) outside one end and have fixed pipe (7), fixed pipe (7) one end and second air pump (8) fixed connection, gasbag cover (13) one end is fixed to be pegged graft and is had conveyer pipe (6), conveyer pipe (6) one end and first air pump (5) fixed connection.

2. The pressure loss airtightness detection apparatus for the exhaust manifold according to claim 1, wherein: sealing mechanism includes electric putter (2) and shutoff board (3), workstation (1) top fixedly connected with electric putter (2) placed in the middle, workstation (1) one end fixedly connected with shutoff board (3) are kept away from in electric putter (2).

3. The exhaust manifold pressure loss airtightness detection apparatus according to claim 2, wherein: one end of the plugging plate (3) far away from the electric push rod (2) is fixedly connected with an annular sealing ring (4).

4. The exhaust manifold pressure loss airtightness detection apparatus according to claim 1, wherein: the fixed sleeve (9) and the air bag sleeve are both in a T-shaped structure.

5. The exhaust manifold pressure loss airtightness detection apparatus according to claim 1, wherein: the top of the other side of the workbench (1) is fixedly connected with a fixing plate, the top of the fixing plate is in threaded insertion connection with a fixing screw, and the bottom of the fixing screw is rotatably connected with a limiting plate.

6. The exhaust manifold pressure loss airtightness detection apparatus according to claim 1, wherein: first air pump (5) and second air pump (8) and external power source electric connection, conveyer pipe (6) one end fixedly connected with outlet duct is kept away from in first air pump (5), the inside fixed mounting of outlet duct has the valve.