CN108340971B - Heavy truck and engine cover touch switch device thereof - Google Patents
Heavy truck and engine cover touch switch device thereof Download PDFInfo
- Publication number
- CN108340971B CN108340971B CN201810350499.7A CN201810350499A CN108340971B CN 108340971 B CN108340971 B CN 108340971B CN 201810350499 A CN201810350499 A CN 201810350499A CN 108340971 B CN108340971 B CN 108340971B
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- CN
- China
- Prior art keywords
- touch switch
- engine cover
- fixed
- switch device
- mounting hole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007306 turnover Effects 0.000 claims abstract description 25
- 230000003139 buffering effect Effects 0.000 claims abstract description 15
- 239000003292 glue Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241000755266 Kathetostoma giganteum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/105—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles for motor cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/12—Parts or details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
The invention discloses an engine cover touch switch device which comprises a limiting block baffle fixed on an engine cover, a fixed support assembly fixed on a vehicle body, a touch switch arranged in a vertical mounting hole of the fixed support assembly, and a movable buffering limiting block penetrating through a horizontal mounting hole of the fixed support assembly, wherein a spring is sleeved on a screw rod between a buffering block of the buffering limiting block and the fixed support assembly, the end part of the screw rod is fixedly provided with a switch baffle, when the engine cover is closed, the spring is in a compressed state, the switch baffle is separated from the touch switch, a turnover circuit is in an off state, and when the engine cover is opened, the buffering limiting block drives the touch switch to be in contact with the switch baffle under the thrust of the spring, and the turnover circuit is in an on state. The engine cover touch switch device effectively solves the problems that the engine cover is damaged due to the fact that the engine cover is turned over to turn over the cab under the closing state of the engine cover. The invention also discloses a heavy truck with the engine cover touch switch device.
Description
Technical Field
The invention relates to the technical field of trucks, in particular to an engine cover touch switch device. In addition, the invention also relates to a heavy truck comprising the engine cover touch switch device.
Background
Most existing heavy truck models adopt a flat-head cab, and the cab needs to be turned over during engine overhaul. When the cab is turned over, the engine cover is required to be opened first, but in a state that the engine cover is closed, the turning motor is started to turn over the cab, so that the engine cover is damaged.
In the prior art, an operation instruction is added near a starting button of a turnover motor to remind an operator to open an engine cover when a cab is turned over. However, if the operator does not notice "operation instruction", starting the roll-over motor to roll over the cab with the hood closed may cause the hood to be damaged.
The forward cab refers to a cab of the engine in a rear lower portion thereof. The engine cover is a cover outside the engine and has the functions of protecting the engine and peripheral pipeline accessories, guiding air, beautifying and the like. The engine cover of the heavy truck forward cab is arranged in front of the engine and the cab. The overturning motor is a motor in the cab overturning mechanism, and drives the hydraulic pump to input high-pressure hydraulic oil to the lifting oil cylinder after the overturning motor is started. The cab is turned over under the pushing of the lifting oil cylinder.
In summary, how to effectively solve the problem of the damage of the engine cover caused by turning the cab in the state of the engine cover being closed is a urgent need of those skilled in the art.
Disclosure of Invention
The invention aims to provide an engine cover touch switch device which effectively solves the problems of engine cover damage and the like caused by overturning a cab under the state that an engine cover is closed; another object of the present invention is to provide a heavy truck comprising the above bonnet touch switch device.
In order to solve the technical problems, the invention provides the following technical scheme:
the engine cover touch switch device of the heavy truck comprises a limit block baffle fixed on an engine cover, a fixed bracket assembly fixed on a truck body, a touch switch arranged in a vertical mounting hole of the fixed bracket assembly, and a buffer limit block penetrating through a horizontal mounting hole of the fixed bracket assembly and capable of moving in a telescopic manner, wherein a spring is sleeved on a screw rod between a buffer block of the buffer limit block and the fixed bracket assembly, the end part of the screw rod is fixed with the switch baffle,
when the engine cover is closed, the spring is in a compressed state, the switch baffle is separated from the touch switch, the turnover circuit is in an off state, and when the engine cover is opened, the buffer limiting block drives the touch switch to be in contact with the switch baffle under the thrust of the spring, and the turnover circuit is in an on state.
Preferably, the fixing support assembly comprises a fixing support body fixed on the front wall metal plate of the cab and used for fixing the touch switch, and the horizontal mounting hole and the vertical mounting hole are formed in the fixing support body.
Preferably, a tray for fixing the spring is provided outside the horizontal mounting hole.
Preferably, a limiting block guide post is arranged on the inner side of the horizontal mounting hole.
Preferably, the touch switch comprises a switch body fixed on the vertical mounting hole, a roller capable of being detected by the switch baffle, and a rocker arm connected with the switch body and the roller, wherein the rocker arm can rotate around a connecting shaft of the switch body.
Preferably, the rear section of the screw rod is provided with external threads, the front end of the screw rod is a polished rod, the switch baffle plate is sleeved on the screw rod, and the front and the rear of the switch baffle plate are fixed through a first fixing nut and a second fixing nut.
Preferably, the buffer block is a buffer rubber block.
The invention also provides a heavy truck, which comprises a truck body and an engine cover touch switch device arranged on the truck body, wherein the engine cover touch switch device is specifically any one of the engine cover touch switch devices.
The invention provides an engine cover touch switch device of a heavy truck, which comprises a limiting block baffle, a fixed bracket assembly, a touch switch, a buffering limiting block, a spring and a switch baffle, wherein the limiting block baffle is fixed on an engine cover, and when the engine cover is turned up, the limiting block baffle and the engine cover are turned over together. The fixed bolster assembly is fixed in on the car body, has horizontal mounting hole and vertical mounting hole on the fixed bolster assembly, and touch switch installs in the vertical mounting hole of fixed bolster assembly, and the buffering stopper passes the horizontal mounting hole of fixed bolster assembly, installs on the horizontal mounting hole, and the buffering stopper can be in the telescopic movement of horizontal mounting hole. The buffer limiting block comprises a buffer block and a screw rod, a spring is sleeved on the screw rod between the buffer block and the fixed support assembly, a switch baffle is fixed at the end part of the screw rod, when the engine cover is closed, the spring is in a compressed state, the switch baffle moves rightwards, at the moment, the switch baffle is not contacted with the touch switch, the switch baffle is separated from the touch switch, the turnover circuit is in a disconnected state, and the turnover motor cannot be started. It is possible to avoid the cab from being turned over with the hood closed, resulting in damage to the hood. When the engine cover is opened, the buffer limiting block moves leftwards under the thrust of the spring to drive the touch switch to move rightwards, the touch switch is contacted with the switch baffle, the turnover circuit is in a connection state, and the turnover motor can be started. The turning-off and the turning-on of the turning-over circuit are controlled by the closing and the opening of the touch switch and the engine cover, so that the engine cover is prevented from being damaged due to the fact that the cab is turned over under the condition that the engine cover is closed.
The engine cover touch switch device provided by the invention can realize that the turnover circuit is in a disconnected state and can not start the turnover motor under the engine cover closing state, so that the engine cover is prevented from being damaged due to the operation of starting the turnover motor under the engine cover closing state. And moreover, the time of the large department of the engine cover is in a closing state, and the time of the large department of the touch switch is in an unstressed state, so that the service life of the touch switch can be greatly prolonged.
The invention also provides a heavy truck, which comprises a truck body and an engine cover touch switch device arranged on the truck body, wherein the engine cover touch switch device is specifically any one of the engine cover touch switch devices. Because the engine cover touch switch device has the technical effects, the heavy truck with the engine cover touch switch device also has corresponding technical effects.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an engine cover touch switch device in an engine cover closed state according to an embodiment of the present invention;
FIG. 2 is a schematic view of the hood touch switch device in a hood open state;
FIG. 3 is a schematic view of the mounting bracket assembly of FIG. 1;
FIG. 4 is a schematic diagram illustrating a structure of the buffer stop block in FIG. 1;
fig. 5 is a schematic structural diagram of the touch switch in fig. 1.
The figures are marked as follows:
the touch control device comprises a 1-fixed support assembly, a 2-touch control switch, a 3-switch baffle, a 4-second fixed nut, a 5-first fixed nut, a 6-spring, a 7-buffering limiting block, an 8-limiting block baffle, a 9-fixed support body, a 10-tray, an 11-limiting block guide column, a 12-buffering block, a 13-screw, a 14-switch body, a 15-rocker arm and a 16-roller.
Detailed Description
The invention provides an engine cover touch switch device, which effectively solves the problems of engine cover damage and the like caused by turning a cab over in a state that an engine cover is closed; another core of the present invention is to provide a heavy truck comprising the above-described bonnet touch switch device.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of an engine cover touch switch device in an engine cover closed state according to an embodiment of the present invention; FIG. 2 is a schematic view of the hood touch switch device in a hood open state; FIG. 3 is a schematic view of the mounting bracket assembly of FIG. 1; FIG. 4 is a schematic diagram illustrating a structure of the buffer stop block in FIG. 1; fig. 5 is a schematic structural diagram of the touch switch in fig. 1.
In a specific embodiment, the engine cover touch switch device of the heavy truck provided by the invention comprises a limiting block baffle 8, a fixed bracket assembly 1, a touch switch 2, a buffering limiting block 7, a spring 6 and a switch baffle 3, wherein the limiting block baffle 8 is fixed on an engine cover, and when the engine cover turns up, the limiting block baffle 8 and the engine cover turn over together. The fixed bolster assembly 1 is fixed in on the car body, has horizontal mounting hole and vertical mounting hole on the fixed bolster assembly 1, and touch switch 2 installs in the vertical mounting hole of fixed bolster assembly 1, and buffering stopper 7 passes the horizontal mounting hole of fixed bolster assembly 1, installs on the horizontal mounting hole, and buffering stopper 7 can be in the horizontal mounting hole flexible removal. The buffer limiting block 7 comprises a buffer block 12 and a screw rod 13, a spring 6 is sleeved on the screw rod 13 between the buffer block 12 and the fixed support assembly 1, a switch baffle 3 is fixed at the end part of the screw rod 13, when an engine cover is closed, the spring 6 is in a compressed state, the switch baffle 3 moves rightwards, at the moment, the switch baffle 3 is not contacted with the touch switch 2, the switch baffle 3 is separated from the touch switch 2, a turnover circuit is in a disconnected state, and a turnover motor cannot be started. It is possible to avoid the cab from being turned over with the hood closed, resulting in damage to the hood. When the engine cover is opened, the buffer limiting block 7 moves leftwards under the thrust of the spring 6 to drive the touch switch 2 to move rightwards, the touch switch 2 is contacted with the switch baffle 3, the turnover circuit is in a connection state, and the turnover motor can be started. The turning-off and the turning-on of the turning-over circuit are controlled by the closing and the opening of the touch switch 2 and the engine cover, so that the engine cover is prevented from being damaged due to the fact that the cab is turned over under the condition that the engine cover is closed.
The engine cover touch switch device provided by the invention can realize that the turnover circuit is in a disconnected state and can not start the turnover motor under the engine cover closing state, so that the engine cover is prevented from being damaged due to the operation of starting the turnover motor under the engine cover closing state. And moreover, the time of the large department of the engine cover is in a closing state, and the time of the large department of the touch switch 2 is in an unstressed state, so that the service life of the touch switch 2 can be greatly prolonged.
The engine cover touch switch device is only a preferred scheme, and particularly but not limited to the preferred scheme, and can be adjusted in a targeted manner according to actual needs on the basis, so that different embodiments are obtained, the fixed support assembly 1 comprises a fixed support body 9, the fixed support body 9 is fixed on a front wall sheet metal of a cab and is used for fixing the touch switch 2, a horizontal mounting hole and a vertical mounting hole are formed in the fixed support body 9, the axes of the horizontal mounting hole and the vertical mounting hole are vertical, and the buffer limiting block 7 and the touch switch 2 are convenient to install.
Based on the above specific embodiment, a person skilled in the art can change the touch switch device of the engine cover according to different specific occasions, and the tray 10 is arranged outside the horizontal mounting hole and used for fixing the spring 6, so that the spring 6 is prevented from shaking left and right, and the stability is better.
Obviously, under the guidance of this kind of thought, the person skilled in the art can carry out a plurality of changes to above-mentioned concrete implementation according to the difference of specific occasion, and the horizontal mounting hole inboard is provided with stopper guide post 11, and when buffering stopper 7 back-and-forth movement, stopper guide post 11 plays the guide effect, and buffering stopper 7 removes comparatively steadily.
It should be noted that, the engine cover touch switch device provided by the present invention should not be limited to this situation, the touch switch 2 includes a switch body 14, a roller 16, and a rocker arm 15, the switch body 14 is fixed on a vertical mounting hole, the roller 16 can be detected by the switch baffle 3, the rocker arm 15 connects the switch body 14 and the roller 16, and the rocker arm 15 can rotate around a connecting shaft of the switch body 14. When the roller 16 is not stressed, the touch switch 2 turns off the turnover circuit; after the roller 16 is pressed, the rocker arm 15 rotates to a certain angle, and after the rocker arm rotates to a certain angle, the turning circuit is turned on by the touch switch, and the turning circuit is turned off and turned on by the closing and opening control of the touch switch 2 and the engine cover, so that the engine cover can be prevented from being damaged due to the fact that the cab is turned over under the condition that the engine cover is closed.
According to the engine cover touch switch device provided by the invention, under the condition that other parts are not changed, the rear section of the screw rod 13 is provided with the external thread, the front end is the polished rod, the switch baffle plate 3 is sleeved on the screw rod 13, the front and the rear of the switch baffle plate 3 are fixed through the first fixing nut 5 and the second fixing nut 4, the structure is simple, and the switch baffle plate 3 is easy to fix.
For the engine cover touch switch device in the above embodiments, the buffer block 12 is a buffer rubber block, such as a rubber block, and has a damping effect, so that the impact on the stopper baffle 8 is small, and the impact sound is reduced.
Based on the engine hood touch switch device provided in the above embodiment, the invention also provides a heavy truck, which comprises a truck body and an engine hood touch switch device mounted on the truck body, wherein the engine hood touch switch device is any one of the engine hood touch switch devices in the above embodiments. Since the heavy truck adopts the engine cover touch switch device in the above embodiment, the beneficial effects of the heavy truck are as follows.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms horizontal, vertical, etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a heavy truck's bonnet touch switch device, its characterized in that, including stopper baffle (8) that are fixed in the bonnet, be fixed in fixed bolster assembly (1) of car body, install in touch switch (2) in the vertical mounting hole of fixed bolster assembly (1), pass the horizontal mounting hole of fixed bolster assembly (1) and flexible movable's buffering stopper (7), the buffering piece (12) of buffering stopper (7) with the cover is equipped with spring (6) on screw rod (13) between fixed bolster assembly (1), the tip of screw rod (13) is fixed with switch baffle (3),
when the engine cover is closed, the spring (6) is in a compressed state, the switch baffle (3) is separated from the touch switch (2), the turnover circuit is in an off state, and when the engine cover is opened, the buffer limiting block (7) drives the touch switch (2) to be in contact with the switch baffle (3) under the thrust of the spring (6), and the turnover circuit is in an on state.
2. The engine cover touch switch device according to claim 1, wherein the fixed bracket assembly (1) comprises a fixed bracket body (9) fixed on a cab front panel board for fixing the touch switch (2), and the horizontal mounting hole and the vertical mounting hole are formed in the fixed bracket body (9).
3. The engine cover touch switch device according to claim 2, characterized in that a tray (10) for fixing the spring (6) is provided outside the horizontal mounting hole.
4. The engine cover touch switch device according to claim 2, wherein a stopper guide post (11) is provided inside the horizontal mounting hole.
5. A bonnet touch switch device as claimed in any one of claims 1 to 3, wherein the touch switch (2) comprises a switch body (14) fixed to the vertical mounting hole, a roller (16) capable of detecting with the switch shutter (3), a rocker arm (15) connecting the switch body (14) and the roller (16), the rocker arm (15) being rotatable about a connecting axis of the switch body (14).
6. The engine cover touch switch device according to claim 5, wherein the rear section of the screw rod (13) is provided with external threads, the front end is a polished rod, the switch baffle plate (3) is sleeved on the screw rod (13), and the front and rear parts of the switch baffle plate (3) are fixed through the first fixing nut (5) and the second fixing nut (4).
7. The engine cover touch switch device of claim 6, wherein the buffer block (12) is a buffer glue block.
8. A heavy truck comprising a truck body and a bonnet touch switch device mounted on the truck body, characterized in that the bonnet touch switch device is in particular a bonnet touch switch device according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810350499.7A CN108340971B (en) | 2018-04-18 | 2018-04-18 | Heavy truck and engine cover touch switch device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810350499.7A CN108340971B (en) | 2018-04-18 | 2018-04-18 | Heavy truck and engine cover touch switch device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108340971A CN108340971A (en) | 2018-07-31 |
| CN108340971B true CN108340971B (en) | 2024-01-26 |
Family
ID=62954951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810350499.7A Active CN108340971B (en) | 2018-04-18 | 2018-04-18 | Heavy truck and engine cover touch switch device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108340971B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112124438B (en) * | 2020-09-24 | 2022-03-08 | 一汽解放汽车有限公司 | Electric front wall system control method, electric front wall system and vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2514479Y (en) * | 2001-12-05 | 2002-10-02 | 薛仕郎 | Low-voltage high-current contact switch |
| CN202039677U (en) * | 2011-03-10 | 2011-11-16 | 上海汽车集团股份有限公司 | Engine cover locking device |
| CN202284420U (en) * | 2011-11-07 | 2012-06-27 | 温州市东风通用机电厂 | Engine cover safety lock with switch function |
| CN102632931A (en) * | 2012-04-09 | 2012-08-15 | 三一矿机有限公司 | Mine dump truck engine cover hoisting and locking device |
| CN203739994U (en) * | 2014-03-07 | 2014-07-30 | 奇瑞汽车股份有限公司 | Matched structure matched with contact switch on automobile engine cover |
| CN203808669U (en) * | 2014-03-17 | 2014-09-03 | 江苏皓月汽车锁股份有限公司 | Split type engine cover lock |
| CN208306759U (en) * | 2018-04-18 | 2019-01-01 | 安徽华菱汽车有限公司 | A kind of heavy truck and its hood touch switch device |
-
2018
- 2018-04-18 CN CN201810350499.7A patent/CN108340971B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2514479Y (en) * | 2001-12-05 | 2002-10-02 | 薛仕郎 | Low-voltage high-current contact switch |
| CN202039677U (en) * | 2011-03-10 | 2011-11-16 | 上海汽车集团股份有限公司 | Engine cover locking device |
| CN202284420U (en) * | 2011-11-07 | 2012-06-27 | 温州市东风通用机电厂 | Engine cover safety lock with switch function |
| CN102632931A (en) * | 2012-04-09 | 2012-08-15 | 三一矿机有限公司 | Mine dump truck engine cover hoisting and locking device |
| CN203739994U (en) * | 2014-03-07 | 2014-07-30 | 奇瑞汽车股份有限公司 | Matched structure matched with contact switch on automobile engine cover |
| CN203808669U (en) * | 2014-03-17 | 2014-09-03 | 江苏皓月汽车锁股份有限公司 | Split type engine cover lock |
| CN208306759U (en) * | 2018-04-18 | 2019-01-01 | 安徽华菱汽车有限公司 | A kind of heavy truck and its hood touch switch device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108340971A (en) | 2018-07-31 |
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