CN205206960U - Engine explosion -proof equipment - Google Patents
Engine explosion -proof equipment Download PDFInfo
- Publication number
- CN205206960U CN205206960U CN201520965676.4U CN201520965676U CN205206960U CN 205206960 U CN205206960 U CN 205206960U CN 201520965676 U CN201520965676 U CN 201520965676U CN 205206960 U CN205206960 U CN 205206960U
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- CN
- China
- Prior art keywords
- stop valve
- motor
- air inlet
- flameproof apparatus
- fire
- Prior art date
- 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.)
- Expired - Fee Related
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The application discloses engine explosion -proof equipment, including fixed front shroud and back shroud together, the front shroud with vacuole formation between the back shroud, be provided with the apron that admits air in the cavity, the position of the exerting pressure contact of admitting air the apron and lapping the spring, the main part of apron spring is fixed on the core bar, the position of depending on proximal end portion and the stop valve of core bar form in close contact with, exceed when predetermineeing speed at the engine the core bar is followed the apron that admits air is rotatory, drives the stop valve is rotatory to ending the position, the apron spring exert pressure in the air inlet is closed to the apron that admits air. The application provides an above -mentioned engine explosion -proof equipment can ensure the engine and work within specified speed of a motor vehicle scope, ensures product security's use.
Description
Technical field
The utility model relates to industrial vehicle internal combustion engine technologies field, particularly relates to a kind of motor flameproof apparatus.
Background technique
During engine operation of the prior art, due to reasons such as intake valve wearing and tearing or carbon distributions, mixed gas easily pours in down a chimney, and occurs the back draft phenomenon in suction tude.Although have explosion-proof device at present, the device not having design can control motor in traditional in-engine flameproof apparatus to exceed autostop after predetermined speed.
Model utility content
For solving the problem, the utility model provides a kind of motor flameproof apparatus, can guarantee that motor works within specified vehicle speed range, guarantee the use of product safety.
The above-mentioned motor flameproof apparatus that the utility model provides, comprise the front shroud and back shroud that are fixed together, cavity is formed between described front shroud and described back shroud, air inlet cover plate is provided with in described cavity, the location contacts of exerting pressure of described air inlet cover plate and cover spring, the main body of described cover spring is fixed on core bar, position and the stop valve of the close end of described core bar form close contact, when motor exceedes pre-set velocity, described core bar rotates with described air inlet cover plate, described stop valve is driven to rotate to rest position, described cover spring applies pressure to described air inlet cover plate, close suction port.
Preferably, in above-mentioned motor flameproof apparatus, fire-retardant core is provided with between described front shroud and described back shroud, described fire-retardant core comprises double-deck fire retarding sheet, described fire retarding sheet entirety is disc-shape, and comprise the undulatory mesh with gap, the angle of described mesh and flame direction of advance are set in the default angle being greater than 0 °.
Preferably, in above-mentioned motor flameproof apparatus, also comprise the pressing plate be connected with described fire-retardant core, described in the fastening pressing of described pressing plate, fire-retardant core is in described cavity.
Preferably, in above-mentioned motor flameproof apparatus, the top of described stop valve is provided with limiting board, has the gap of pre-set dimension between described limiting board and described stop valve, and described gap size can regulate accordingly according to the speed of a motor vehicle preset.
Preferably, in above-mentioned motor flameproof apparatus, described limiting board is vertically connected with hand braking reset components.
Preferably, in above-mentioned motor flameproof apparatus, also comprise the sensitive switch be connected with described stop valve, the roller of described sensitive switch is positioned on the support plate center line of described stop valve.
Preferably, in above-mentioned motor flameproof apparatus, also comprise the holding down bolt of the bottom being arranged at described stop valve, the top of described holding down bolt is clinoplain.
Preferably, in above-mentioned motor flameproof apparatus, also comprise the Regulation spring that is connected with described stop valve and adjust screw, described Regulation spring, described adjustment screw are formed with described stop valve and described cover spring and coordinate, for adjusting the closing pressure value of described air inlet cover plate.
The above-mentioned motor flameproof apparatus that the utility model provides, owing to comprising the front shroud and back shroud that are fixed together, cavity is formed between described front shroud and described back shroud, air inlet cover plate is provided with in described cavity, the location contacts of exerting pressure of described air inlet cover plate and cover spring, the main body of described cover spring is fixed on core bar, position and the stop valve of the close end of described core bar form close contact, when motor exceedes pre-set velocity, described core bar rotates with described air inlet cover plate, described stop valve is driven to rotate to rest position, described cover spring applies pressure to described air inlet cover plate, close suction port, therefore, it is possible to guarantee that motor works within specified vehicle speed range, guarantee the use of product safety.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The plan view of the first motor flameproof apparatus that Fig. 1 provides for the embodiment of the present application;
The left view of the first motor flameproof apparatus that Fig. 2 provides for the embodiment of the present application;
The plan view of the first motor flameproof apparatus that Fig. 3 provides for the embodiment of the present application;
The partial schematic diagram of the third motor flameproof apparatus that Fig. 4 provides for the embodiment of the present application.
Embodiment
Core concept of the present utility model is to provide a kind of motor flameproof apparatus, can guarantee that motor works within specified vehicle speed range, guarantee the use of product safety.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The first motor flameproof apparatus that the embodiment of the present application provides as shown in Figure 1, Figure 2 and Figure 3, the plan view of the first motor flameproof apparatus that Fig. 1 provides for the embodiment of the present application, the left view of the first motor flameproof apparatus that Fig. 2 provides for the embodiment of the present application, the plan view of the first motor flameproof apparatus that Fig. 3 provides for the embodiment of the present application.This motor flameproof apparatus comprises the front shroud 10 and back shroud 13 that are fixed together, cavity is formed between described front shroud 10 and described back shroud 13, air inlet cover plate 8 is provided with in described cavity, the location contacts of exerting pressure of described air inlet cover plate 8 and cover spring 9, the main body of described cover spring 9 is fixed on core bar 7, position and the stop valve 1 of the close end of described core bar 7 form close contact, when motor exceedes pre-set velocity, described core bar 7 rotates with described air inlet cover plate 8, described stop valve 1 is driven to rotate to rest position, described cover spring 9 applies pressure to described air inlet cover plate 8, close suction port.
The above-mentioned motor flameproof apparatus that the embodiment of the present application provides, can guarantee that motor works within specified vehicle speed range, guarantee the use of product safety.
Flameproof apparatus of the prior art uses multilayer fire retardant core, suction pressure is so just caused to lose, reduce suction press, thus affect engine power performance, and complex structure, dismounting inconvenience, for solving this problem, the embodiment of the present application provides the second motor flameproof apparatus, continue with reference to figure 1, Fig. 2 and Fig. 3, on the basis of the technical characteristics of the first motor flameproof apparatus above-mentioned, fire-retardant core 12 is provided with between described front shroud and described back shroud, described fire-retardant core 12 comprises double-deck fire retarding sheet, described fire retarding sheet entirety is disc-shape, and comprise the undulatory mesh with gap, the angle of described mesh and flame direction of advance are set in the default angle being greater than 0 °.Fire-retardant core 12 Main Function produces flame when preventing engine flashback to set off an explosion, adopt double-deck fire retarding sheet, this fire retarding sheet is the disk of the ripple mesh composition with certain interval, fire retarding sheet inner aperture adopts angular deflection layout, flame straight-line pass inner aperture can be stoped, the crow flight distance of heat radiation back-fire relief can be extended simultaneously, after flame enters these tiny Netcom roads, just form many tiny flame flow, the heat transfer area of passage is large simultaneously, after flame carries out heat exchange by conduit wall, temperature declines, the probability of collision between free radicals and reaction molecular produced that meanwhile burns reduces thereupon, and increase with the probability of collision of mesh channel wall, burning radical reaction is so just impelled to lower, shaper wall effect, cause the condition that flame energy shortage can not continue to propagate, just be prevented from once after forming flame.Further, in above-mentioned the second motor flameproof apparatus, can also comprise the pressing plate 11 be connected with described fire-retardant core 12, described in the fastening pressing of described pressing plate 11, fire-retardant core 12 is in described cavity, and the object of the setting of this pressing plate 11 guarantees that fire-retardant core 12 is correctly located.
The embodiment of the present application additionally provides the third motor flameproof apparatus, on the basis of the technical characteristics of the first motor flameproof apparatus above-mentioned, also comprise following technical characteristics: the top of described stop valve is provided with limiting board 6, there is between described limiting board 6 and described stop valve 1 gap of pre-set dimension, and described gap size can regulate accordingly according to the speed of a motor vehicle preset, its Main Function is the effect reaching autostop in order to guarantee further in engine start setting range, further, described limiting board 6 can also vertically be connected with hand braking reset components, the sensitive switch 3 be connected with described stop valve can also be comprised, the roller of described sensitive switch 3 is positioned on the support plate center line of described stop valve 1.
Further, also comprise the holding down bolt 2 of the bottom being arranged at described stop valve, the top of described holding down bolt 2 is clinoplain.
In addition, also comprise the Regulation spring 4 that is connected with described stop valve and adjust screw 5, described Regulation spring 4, described adjustment screw 5 are formed with described stop valve 1 and described cover spring 9 and coordinate, for adjusting the closing pressure value of described air inlet cover plate 8, thus determine engine operational speed prespecified range, only have when motion speed exceedes certain value, air inlet cover plate 8 can be made to close, such as, the rated speed of motor is 2500 revs/min, setting exceeds 10%, namely 2750 turns time, air inlet cover plate can be closed the suction of engine charge suction is dynamic lower.
With reference to figure 4, the partial schematic diagram of the third motor flameproof apparatus that Fig. 4 provides for the embodiment of the present application, as follows to the specific works procedure declaration of above-mentioned motor flameproof apparatus: the positioning height of adjustment holding down bolt 2, guarantee that stop valve 1 can fiddle with and correctly open air inlet cover plate 8.Under normal conditions, use manual reseting device to pull and stop valve 1 is on the left of holding down bolt 2, make air inlet cover plate be in opening state.During ato unit motion; mixed gas enters this device, enters in motor burn by fire-retardant core after being filtered, when motor accelerated motion exceedes the scope of stop valve 1 setting; internal pressure will oppositely hold air inlet cover plate 8; stop entering of gas, stop valve 1 is drawn to the right side of holding down bolt 2, and engine misses are shut down; sensitive switch gives complete machine control system central control unit signal simultaneously; cut off the electricity supply, make complete machine enter outage state, ensure that the safe handling of product.
What needs illustrated is, limiting board 6 is at the moved downward of external force, make the bottom of stop valve 1 through the inclined-plane of holding down bolt 2, move along inclined-plane and can climb over the inclined-plane of holding down bolt 2, stop valve 1 is made to be locked in the reverse side of holding down bolt 2, simultaneously, core bar 7 is rotated thereupon, air inlet cover plate 8 moves simultaneously backward, air inlet open, ensureing motor normal air inlet, by adjusting the positioning height of holding down bolt 2, controlling the size of the power that resilience elastic force and engine suction suction cause air inlet cover plate to be closed.Pulled down by limiting board 6, stop valve 1 is turned clockwise around core bar 7, thus control stop valve 1.When racing of the engine or air-breathing suction excessive time; air inlet cover plate 8 will bear suction inwards; core bar 7 can be made thereupon to rotate, stop valve 1 can be made to overcome the resistance on the inclined-plane of holding down bolt 2, be bound to outside inclined-plane; due to the elastic force effect of cover spring 9; air inlet cover plate 8 can be made tightly to be attached on pressing plate 11, make inlet close, sensitive switch 3 gives complete machine control system signal simultaneously; cut off the electricity supply, complete machine is shut down.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a motor flameproof apparatus, it is characterized in that, comprise the front shroud and back shroud that are fixed together, cavity is formed between described front shroud and described back shroud, air inlet cover plate is provided with in described cavity, the location contacts of exerting pressure of described air inlet cover plate and cover spring, the main body of described cover spring is fixed on core bar, position and the stop valve of the close end of described core bar form close contact, when motor exceedes pre-set velocity, described core bar rotates with described air inlet cover plate, described stop valve is driven to rotate to rest position, described cover spring applies pressure to described air inlet cover plate, close suction port.
2. motor flameproof apparatus according to claim 1, it is characterized in that, fire-retardant core is provided with between described front shroud and described back shroud, described fire-retardant core comprises double-deck fire retarding sheet, described fire retarding sheet entirety is disc-shape, and comprise the undulatory mesh with gap, the angle of described mesh and flame direction of advance are set in the default angle being greater than 0 °.
3. motor flameproof apparatus according to claim 2, is characterized in that, also comprise the pressing plate be connected with described fire-retardant core, described in the fastening pressing of described pressing plate, fire-retardant core is in described cavity.
4. motor flameproof apparatus according to claim 1, it is characterized in that, the top of described stop valve is provided with limiting board, has the gap of pre-set dimension between described limiting board and described stop valve, and described gap size can regulate accordingly according to the speed of a motor vehicle preset.
5. motor flameproof apparatus according to claim 4, is characterized in that, described limiting board is vertically connected with hand braking reset components.
6. the motor flameproof apparatus according to any one of claim 1-5, is characterized in that, also comprises the sensitive switch be connected with described stop valve, and the roller of described sensitive switch is positioned on the support plate center line of described stop valve.
7. motor flameproof apparatus according to claim 6, is characterized in that, also comprises the holding down bolt of the bottom being arranged at described stop valve, and the top of described holding down bolt is clinoplain.
8. motor flameproof apparatus according to claim 7, it is characterized in that, also comprise the Regulation spring that is connected with described stop valve and adjust screw, described Regulation spring, described adjustment screw are formed with described stop valve and described cover spring and coordinate, for adjusting the closing pressure value of described air inlet cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965676.4U CN205206960U (en) | 2015-11-27 | 2015-11-27 | Engine explosion -proof equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965676.4U CN205206960U (en) | 2015-11-27 | 2015-11-27 | Engine explosion -proof equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205206960U true CN205206960U (en) | 2016-05-04 |
Family
ID=55844685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520965676.4U Expired - Fee Related CN205206960U (en) | 2015-11-27 | 2015-11-27 | Engine explosion -proof equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205206960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298643A (en) * | 2015-11-27 | 2016-02-03 | 衡阳合力工业车辆有限公司 | Explosion-proof device for engine |
-
2015
- 2015-11-27 CN CN201520965676.4U patent/CN205206960U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298643A (en) * | 2015-11-27 | 2016-02-03 | 衡阳合力工业车辆有限公司 | Explosion-proof device for engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20181127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |