CN208546225U - Forklift truck exhaust system - Google Patents
Forklift truck exhaust system Download PDFInfo
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- CN208546225U CN208546225U CN201820971394.9U CN201820971394U CN208546225U CN 208546225 U CN208546225 U CN 208546225U CN 201820971394 U CN201820971394 U CN 201820971394U CN 208546225 U CN208546225 U CN 208546225U
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- adapter tube
- face
- snap
- gauge
- forklift truck
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Abstract
The utility model discloses a kind of forklift truck exhaust systems, including front exhaust pipe, muffler and the high exhaust pipe being vertically arranged, front exhaust pipe is connected by the exhaust manifold of clip and engine, the front exhaust pipe includes the first adapter tube for being inserted into the exhaust manifold of engine, with the second adapter tube of the first adapter tube connection, the third adapter tube being connect with the muffler, the bellows of connection is taken over the second adapter tube and third and is set on the first adapter tube and is embedded in the snap-gauge in the vee-cut of the clip, the exhaust manifold of engine is equipped with the flange being bonded in the vee-cut of insertion clip and with snap-gauge.The forklift truck exhaust system of the utility model, front exhaust pipe are connected by the exhaust manifold of clip and engine, on front exhaust pipe and are had snap-gauge, are improved the sealing performance with exhaust manifold junction, front exhaust pipe is avoided to leak air with engine junction.
Description
Technical field
The utility model belongs to fork truck technical field, specifically, the utility model relates to a kind of forklift truck exhaust systems.
Background technique
The effect of forklift truck exhaust system is by high temperature high noisy exhaust gas generated after engine combustion work done, through exhaust system
It is discharged into atmosphere after system sound-deadening and noise-reducing, reduces the noise pollution to environment.Muffler is placed on by large-tonnage fork truck at present
Hull back, muffler is connect by front exhaust pipe with engine, since engine is located at Vehicular body front, connects engine in this way
The front exhaust pipe of exhaust manifold and muffler is with regard to too long, and high-temperature tail gas flows to muffler by front exhaust pipe, and front exhaust pipe is in machine
Cover lower section extends, so that the temperature in hood is higher, causes the working environment of truck driver poor, and equal in car body two sides
Electric appliance circuits and sebific duct are disposed with, there are problems that route and pipeline are easy to aging or burn out.In addition, front exhaust pipe and engine
There is also gas leak phenomenons for the junction of exhaust manifold.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions
For a kind of forklift truck exhaust system, it is therefore an objective to front exhaust pipe be avoided to leak air with engine junction.
To achieve the goals above, the technical solution that the utility model is taken are as follows: forklift truck exhaust system, including front exhaust
Pipe, muffler and the high exhaust pipe being vertically arranged, front exhaust pipe are connected by the exhaust manifold of clip and engine, the front row
Tracheae include for being inserted into the exhaust manifold of engine first adapter tube, with first adapter tube connection second take over, with it is described
The third adapter tube of muffler connection is taken over the bellows of connection with the second adapter tube and third and is set on the first adapter tube and embedding
Enter the snap-gauge in the vee-cut of the clip, the exhaust manifold of engine is equipped in the vee-cut of insertion clip and and snap-gauge
The flange of fitting.
It is the cirque structure being coaxially disposed that the snap-gauge, which is with first adapter tube, and snap-gauge is sheathed on the first adapter tube.
The snap-gauge has with the first end face of the lip fits and is bonded with the inner wall of the vee-cut of the clip
Second end face, first end face is plane with the axis perpendicular of snap-gauge, and second end face is circular conical surface.
The muffler include the cylinder being vertically arranged, the upper end for being set to cylinder and with the third adapter tube connection into
The outer upper side of the escape pipe of tracheae and the lower end for being set to cylinder, escape pipe towards cylinder extends.
The muffler further includes the mounting plate for being set on the cylinder and being connect by fastener with fork truck body, tightly
Firmware is made of screw bolt and nut, and mounting plate has the first avoid holes for allowing bolt to pass through, which is kidney slot.
The length direction of first avoid holes is parallel with the axis of the cylinder.
The forklift truck exhaust system further include the first heel row tracheae being connect with the escape pipe and with the first heel row
The second heel row tracheae that tracheae is connected with the high exhaust pipe.
The second heel row tracheae is equipped with the ear hoop being connect with fork truck body by fastener, fastener be by bolt with
Nut is constituted, and ear hoop has the second avoid holes for allowing bolt to pass through, which is kidney slot.
The ear hoop setting is multiple.
The forklift truck exhaust system of the utility model, front exhaust pipe are connected by the exhaust manifold of clip and engine, front-seat
On tracheae and snap-gauge is had, the sealing performance with exhaust manifold junction is improved, avoids front exhaust pipe and engine junction
It leaks air.
Detailed description of the invention
This specification includes the following drawings, and shown content is respectively:
Fig. 1 is the main view of the utility model forklift truck exhaust system；
Fig. 2 is the top view of the utility model forklift truck exhaust system；
Fig. 3 is the structural schematic diagram of front exhaust pipe；
Fig. 4 is the cross-sectional view of the first adapter tube；
Fig. 5 is the structural schematic diagram of muffler；
Fig. 6 is the structural schematic diagram of the second heel row tracheae；
In the figure, it is marked as 1, front exhaust pipe；11, the first adapter tube；12, bellows；13, the second adapter tube；14, third is taken over；
15, snap-gauge；16, first end face；17, second end face；2, clip；3, muffler；31, air inlet pipe；32, cylinder；33, escape pipe；
34, mounting plate；35, positioning pin；36, the first avoid holes；4, the first heel row tracheae；5, the second heel row tracheae；6, high exhaust pipe；7,
Ear hoop；8, the second avoid holes.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to specific embodiment of the present utility model further detailed
Thin explanation, it is therefore an objective to help those skilled in the art to the design of the utility model, technical solution have it is more complete, accurate and
Deep understanding, and facilitate its implementation.
As shown in Figures 1 to 4, the utility model provides a kind of forklift truck exhaust system, including front exhaust pipe 1, muffler 3
With the high exhaust pipe 6 being vertically arranged, front exhaust pipe 1 is connect by clip 2 with the exhaust manifold of engine, and front exhaust pipe 1 includes
The first adapter tube 11 for being inserted into the exhaust manifold of engine, the second adapter tube 13 being connect with the first adapter tube 11, with muffler 3
It the third adapter tube 14 of connection, the bellows 12 being connect with the second adapter tube 13 and third adapter tube 14 and is set on the first adapter tube 11
And be embedded in the snap-gauge 15 in the vee-cut of clip 2, the exhaust manifold of engine be equipped in the vee-cut of insertion clip 2 and with
The flange that snap-gauge 15 is bonded.
Specifically, as shown in Figures 1 to 4, the first adapter tube 11, the second adapter tube 13, bellows 12 and third adapter tube 14 are
It is sequentially connected, the first adapter tube 11 is the cylindrical body of both ends open and inner hollow, the second adapter tube 13, bellows 12 and third adapter tube
14 be the tube body of both ends open and inner hollow, and the first adapter tube 11, the second adapter tube 13 and third adapter tube 14 are hard tube body, is
Overall diameter of the overall diameter of first adapter tube 11 less than the second adapter tube 13, the exhaust manifold of one end insertion engine of the first adapter tube 11
Outlet end in, the overall diameter of the first adapter tube 11 and the interior diameter size of the outlet end of the exhaust manifold of engine are identical, first
The inner headed face of the outlet end of the exhaust manifold of the periphery and engine of adapter tube 11 is bonded, good airproof performance.First adapter tube 11 it is another
One end be inserted into the second adapter tube 13 it is open at one end in and the first adapter tube 11 and the end of the second adapter tube 13 to be fixedly connected, second connects
The other end of pipe 13 is fixedly connected with one end of bellows 12, the fixed company of the other end of bellows 12 and one end of third adapter tube 14
It connects, the other end of third adapter tube 14 is fixedly connected with muffler 3, and front exhaust pipe 1 is by the high temperature tail in the exhaust manifold of engine
Gas is guided into muffler 3.
As shown in Figures 1 to 4, to be the cirque structure being coaxially disposed with the first adapter tube 11, snap-gauge 15 is arranged snap-gauge 15
In on the first adapter tube 11, snap-gauge 15 is to be fixedly connected with the first adapter tube 11, and position of the snap-gauge 15 on the first adapter tube 11 is to be located at
Between the both ends of first adapter tube 11, snap-gauge 15 is located at the outside of the second adapter tube 13, and the overall diameter of snap-gauge 15 is greater than the first adapter tube 11
Overall diameter, the overall diameter of snap-gauge 15 is identical as the overall diameter size of flange being arranged in the end of enmgine exhaust, convex
Edge is cirque structure, and flange is positioned opposite with snap-gauge 15.Clip 2 for realizing front exhaust pipe 1 and engine exhaust discrimination
Pipe is fixedly connected, and clip 2 clamps snap-gauge 15 and flange, the structure of clip 2 as well known in the skilled person,
It is mainly made of the clamping screw of two clamping parts of two arc-shaped clamping parts and locking, and the cross section of clamping part is in
V-structure, to form the vee-cut for accommodating snap-gauge 15 and flange.Snap-gauge 15 have with the first end faces 16 of lip fits and
The second end face 17 being bonded with the inner wall of the vee-cut of clip 2, first end face 16 are flat with the axis perpendicular of snap-gauge 15
Face, second end face 17 are circular conical surface, and first end face 16 and second end face 17 are coaxial arrangement, the overall diameter of first end face 16 and the
The overall diameter size of biend 17 is identical, and first end face 16 and second end face 17 are the end face of the opposite end of snap-gauge 15.Snap-gauge
15 also have a periphery, which is cylindrical surface, periphery and first end face 16 and second end face 17 is coaxial arrangement
And periphery, between first end face 16 and second end face 17, second end face 17 has a bigger diameter end (in second end face 17
The maximum position of diameter) and a miner diameter end (the smallest position of diameter in second end face 17), the bigger diameter end of second end face 17
Diameter is greater than the diameter of miner diameter end, and the bigger diameter end of second end face 17 is fixedly connected with an end margin of the periphery of snap-gauge 15, the
The miner diameter end of biend 17 is fixedly connected with the periphery of the first adapter tube 11, another end margin of the periphery of snap-gauge 15 and first
The outer edge of end face 16 is fixedly connected, and the vertical range between the bigger diameter end and first end face 16 of second end face 17 is less than second end
Vertical range between the miner diameter end and first end face 16 in face 17.The structure of flange and the structure of snap-gauge 15 are essentially identical, flange
It is to be arranged symmetrically with snap-gauge 15, flange has the third end face being bonded with first end face 16 and the inner wall with the vee-cut of clip 2
The 4th end face that face paste is closed, third end face are the plane with the axis perpendicular of flange, and the 4th end face is circular conical surface, second end face
17 and the 4th end face be coaxial arrangement, the overall diameter of second end face 17 is identical as the overall diameter size of the 4th end face, second end face
17 and the 4th end face be snap-gauge 15 opposite end end face.Flange also has a periphery, which is cylindrical surface, outside
Disc and second end face 17 and the 4th end face are coaxial arrangement and periphery between second end face 17 and the 4th end face, the 4th
End face has a bigger diameter end (the maximum position of diameter on the 4th end face) and a miner diameter end, and (diameter is the smallest on the 4th end face
Position), the diameter of the bigger diameter end of the 4th end face is greater than the diameter of miner diameter end, the bigger diameter end of the 4th end face and the periphery of snap-gauge 15
An end margin be fixedly connected, the miner diameter end of the 4th end face is fixedly connected with the periphery of exhaust manifold, the periphery of flange
Another end margin is fixedly connected with the outer edge of second end face 17, vertical between the bigger diameter end and second end face 17 of the 4th end face
Distance is less than the vertical range between the miner diameter end and second end face 17 of the 4th end face.First end face 16 and the fitting of third end face,
First end face 16 and third end face are coaxial arrangement, first end face 16 and third end face be located at second end face 17 and the 4th end face it
Between, second end face 17 and the 4th end face are bonded with two inner walls of V-shaped arrangement in the vee-cut of clip 2.Clip 2 and card
Plate 15 and flange match, and realize the connection between front exhaust pipe 1 and enmgine exhaust, improve and connect with exhaust manifold
The sealing performance at place avoids front exhaust pipe 1 from leaking air with engine junction.
As shown in Figure 1, Figure 2 and Fig. 5 shown in, muffler 3 including be vertically arranged cylinder 32, be set to cylinder 32 upper end and with
Air inlet pipe 31 that third adapter tube 14 connects and be set to cylinder 32 lower end escape pipe 32, escape pipe 32 is outer towards cylinder 32
Upper side extends.Air inlet pipe 31 guides exhaust gas into cylinder 32, and the exhaust gas in cylinder 32 is discharged through escape pipe 32.Air inlet pipe 31
Axis for round tube, air inlet pipe 31 is parallel with the axis of cylinder 32, and air inlet pipe 31 is solid in the upper end of cylinder 32 and cylinder 32
Fixed connection and air inlet pipe 31 are towards extending above cylinder 32, and convenient for being attached with third adapter tube 14, escape pipe 32 is in cylinder
32 lower end is fixedly connected with cylinder 32.
Muffler 3 is fixedly mounted on fork truck body and muffler 3 is located on the inside panel of fork truck body, muffler 3
Entirety is vertically arranged, and helps to reduce exhaust back pressure, and muffler 3 is located on the outside of car body, muffler 3 is located proximate to send out
Motivation can shorten the length of front exhaust pipe, reduce the temperature in fork truck hood (lower section that hood is located at driver's seat), facilitate
Improve the working environment of driver, improves vehicle comforts of use.
As shown in Figure 1, Figure 2 and shown in Fig. 5, muffler 3 further includes being set on cylinder 32 and by fastener and fork truck body
The mounting plate 34 of connection, fastener are made of screw bolt and nut, and mounting plate 34 has the first avoid holes 36 for allowing bolt to pass through,
First avoid holes 36 are kidney slot.Mounting plate 34 is fixed at the upper end of cylinder 32 and mounting plate 34 is towards the upper of cylinder 32
Fang Yanshen, the first avoid holes 36 are that along plate thickness direction, (axis perpendicular in the plate thickness direction and cylinder 32) is passed through on mounting plate 34
The through-hole set is worn, the length direction of the first avoid holes 36 is parallel with the axis of cylinder 32, and the length of the first avoid holes 36 is big
In the diameter of bolt.By the way that kidney slot is arranged on mounting plate 34 so that in assembly muffler 3 have in vertical direction it is certain
Amount of movement, it is ensured that can be aligned with the mounting hole on car body, reduce assembly difficulty, improve assembly efficiency.
As shown in Figure 1, Figure 2 and shown in Fig. 5, the lower end of cylinder 32 is set there are two positioning pin 35, and positioning pin 35 is straight pin and determines
The axis of position pin 35 is parallel with the axis of cylinder 32, and positioning pin 35 is for being inserted into fork truck body when muffler 3 assembles
In the location hole of setting, it is ensured that muffler 3 can be installed fast and accurately, reduce the assembly difficulty of muffler 3, improve
Assembly efficiency.
As depicted in figs. 1 and 2, the forklift truck exhaust system of the utility model further includes the first heel row connecting with escape pipe 32
Tracheae 4 and the second heel row tracheae 5 being connect with the first heel row tracheae 4 and high exhaust pipe 6, after the first heel row tracheae 4 and second
Exhaust pipe 5 is located at the outside of fork truck body, convenient for heat dissipation.High exhaust pipe 6 is vertically arranged on fork truck body, high exhaust pipe 6
And it is located at the tail portion of fork truck body, engine is located at the front of fork truck body.One end of first heel row tracheae 4 and muffler 3
The upper end of escape pipe 32 is fixedly connected, and the lower end of escape pipe 32 is fixedly connected with cylinder 32, the other end of the first heel row tracheae 4 with
One end of second heel row tracheae 5 is fixedly connected, and the other end of the second heel row tracheae 5 is fixedly connected with the lower end of high exhaust pipe 6, the
One heel row tracheae 4 and the second heel row tracheae 5 will guide in supreme exhaust pipe 6 from the tail gas of muffler 3.Preferably, the
The end of one heel row tracheae 4 is equipped with flange, and the end of the second heel row tracheae 5 also is provided with flange, the flange on the first heel row tracheae 4
Be bonded with the flange on the second heel row tracheae 5 and two flanges be fixedly connected by multiple fasteners, fastener be by bolt and
Nut is constituted.First heel row tracheae 4 and the second heel row tracheae 5 pass through flanged joint, convenient for assembly, and can be to avoid connection
Place leaks air.
As shown in figs. 1,2 and 6, the second heel row tracheae 5 is equipped with the ear hoop connecting by fastener with fork truck body
7, fastener is made of screw bolt and nut, and ear hoop 7 has the second avoid holes 8 for allowing bolt to pass through, which is waist
Shape hole, the length of the second avoid holes 8 are greater than the diameter of bolt, the length direction of the second evacuation and the length side of the first avoid holes 36
To parallel.Ear hoop 7 and the second heel row tracheae 5 are to be fixedly connected and ear hoop 7 is stretched out towards the outside of the second heel row tracheae 5, are led to
It crosses and kidney slot is set on ear hoop 7, so that the second heel row tracheae 5 has certain amount of movement in vertical direction in assembly, it is ensured that
It can be aligned with the mounting hole on car body, reduce assembly difficulty, improve assembly efficiency.
Preferably, it is the length direction successively cloth along the second heel row tracheae 5 that multiple and all ear hoops 7, which are arranged, in ear hoop 7
It sets, improves the reliability that the second heel row tracheae 5 is connect with fork truck body, reduce vibration.In the present embodiment, such as Fig. 1 and Fig. 6
Shown, ear hoop 7 is arranged two.
The utility model is exemplarily described in conjunction with attached drawing above.Obviously, the utility model implements not
It is limited by aforesaid way.As long as the various unsubstantialities that the method concept and technical solution that use the utility model carry out
Improvement；Or it is not improved, the above-mentioned conception and technical scheme of the utility model are directly applied into other occasions, at this
Within the protection scope of utility model.
Claims (9)
1. forklift truck exhaust system, including front exhaust pipe, muffler and the high exhaust pipe being vertically arranged, front exhaust pipe by clip with
The exhaust manifold of engine connects, it is characterised in that: the front exhaust pipe includes for being inserted into the exhaust manifold of engine
First adapter tube, with first adapter tube connection second adapter tube, connect with the muffler third adapter tube, and second take over and third
It takes over the bellows of connection and is set on the first adapter tube and is embedded in the snap-gauge in the vee-cut of the clip, engine
Exhaust manifold is equipped with the flange being bonded in the vee-cut of insertion clip and with snap-gauge.
2. forklift truck exhaust system according to claim 1, it is characterised in that: it is same that the snap-gauge, which is with first adapter tube,
The cirque structure of axis setting, snap-gauge are sheathed on the first adapter tube.
3. forklift truck exhaust system according to claim 1 or 2, it is characterised in that: the snap-gauge has to be pasted with the flange
The first end face of conjunction and the second end face being bonded with the inner wall of the vee-cut of the clip, first end face are the axis with snap-gauge
The perpendicular plane of line, second end face are circular conical surface.
4. forklift truck exhaust system according to claim 1 or 2, it is characterised in that: the muffler includes being vertically arranged
Cylinder, the upper end for being set to cylinder and the escape pipe with the air inlet pipe of third adapter tube connection and the lower end for being set to cylinder,
The outer upper side of escape pipe towards cylinder extends.
5. forklift truck exhaust system according to claim 4, it is characterised in that: the muffler further includes being set to the cylinder
The mounting plate connecting on body and by fastener with fork truck body, fastener is made of screw bolt and nut, and mounting plate, which has, to be allowed
The first avoid holes that bolt passes through, first avoid holes are kidney slot.
6. forklift truck exhaust system according to claim 5, it is characterised in that: the length direction of first avoid holes and institute
The axis for stating cylinder is parallel.
7. forklift truck exhaust system according to claim 4, it is characterised in that: further include first connect with the escape pipe
Heel row tracheae and the second heel row tracheae being connect with the first heel row tracheae and the high exhaust pipe.
8. forklift truck exhaust system according to claim 7, it is characterised in that: the second heel row tracheae is equipped with by tight
The ear hoop that firmware is connect with fork truck body, fastener are made of screw bolt and nut, and ear hoop has allow bolt to pass through second to keep away
Allow hole, which is kidney slot.
9. forklift truck exhaust system according to claim 8, it is characterised in that: the ear hoop setting is multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820971394.9U CN208546225U (en) | 2018-06-23 | 2018-06-23 | Forklift truck exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820971394.9U CN208546225U (en) | 2018-06-23 | 2018-06-23 | Forklift truck exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208546225U true CN208546225U (en) | 2019-02-26 |
Family
ID=65423206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820971394.9U Active CN208546225U (en) | 2018-06-23 | 2018-06-23 | Forklift truck exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208546225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576340A (en) * | 2019-09-30 | 2021-03-30 | 中联重科股份有限公司 | Exhaust emission system and engineering vehicle |
-
2018
- 2018-06-23 CN CN201820971394.9U patent/CN208546225U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576340A (en) * | 2019-09-30 | 2021-03-30 | 中联重科股份有限公司 | Exhaust emission system and engineering vehicle |
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