CN205422866U - A arresting gear for engine - Google Patents
A arresting gear for engine Download PDFInfo
- Publication number
- CN205422866U CN205422866U CN201520618116.1U CN201520618116U CN205422866U CN 205422866 U CN205422866 U CN 205422866U CN 201520618116 U CN201520618116 U CN 201520618116U CN 205422866 U CN205422866 U CN 205422866U
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- CN
- China
- Prior art keywords
- contact
- electromotor
- fork assembly
- switch
- braking
- 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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Abstract
The utility model relates to an arresting gear for engine, it includes the base, install in the braking pendulum rod assembly of base, connection the base with the brake spring of braking pendulum rod assembly, install in the flameout switch of base and install the contact switch on the base, when the engine is in start -up or working condition, flameout switch with braking pendulum rod assembly is electric connection not, contact switch with braking pendulum rod assembly electric connection, when in the engine brake working process, flameout switch with braking pendulum rod assembly electric connection, contact switch with braking pendulum rod assembly is electric connection not. It can need start -up or normal work when the motor to have guaranteed, guarantees reliable start -up of engine or work, guarantee again simultaneously the engine under braking status, the starter motor can not cause the motor to form owing to the maloperation to start or work to the damage that prevents the engine flywheel also prevents the damage of motor pinion.
Description
Technical field
This utility model relates to a kind of brake unit, particularly relates to a kind of brake unit for electromotor.
Background technology
Existing electromotor, when starting or normally working, the flywheel of rotary engine at full speed is mutually disengaged with the brake block for braking；When needs electromotor needs to brake work, need to limit the rotation of flywheel of electromotor by brake unit thus reach electromotor and gradually brake work.
Along with the development that electromotor is long-term, miniaturization and the security performance of electromotor are increasingly paid attention to by industry.Especially for these domestic such as cutting machine, weeder and the motor that needs mobile device.The safety in utilization of cutting machine, weeder, as the power source of these equipment, is required more and more higher by motor.Along with the development of technology, the requirement of the security performance of electromotor is also required that more and more higher by people.Available engine is starting or in course of normal operation, it is not intended to touch switch, sends and allows the order of electromotor brake work, then the meeting of electromotor is simultaneously by normal work and work order of braking, and may result in electromotor cannot use normally；Particularly, when when making electromotor brake work, in fact it could happen that imprudence touches the situation of activate switch, then electromotor can restart again, may cause the damage of electromotor, thereby increases and it is possible to can bring unnecessary injury to operator.
Therefore, it is necessary to a kind of new brake unit for electromotor overcomes the problems referred to above.
Summary of the invention
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide a kind of brake unit improving engine health performance.
To achieve these goals, the technical scheme that this utility model is used is as follows: the brake unit of a kind of described electromotor includes pedestal, it is installed on the braking fork assembly of described pedestal, connect the tripping spring of described pedestal and described braking fork assembly, the flameout switch being installed on pedestal and the contact switch being installed on pedestal, when electromotor is in startup or working condition, described flameout switch is not electrically connected with described braking fork assembly, described contact switch is electrically connected with described braking fork assembly, when in described electromotor brake work process, described braking fork assembly rotates around a bit, described flameout switch is electrically connected with described braking fork assembly, described contact switch is not electrically connected with described braking fork assembly.
More specifically, described braking fork assembly includes fork, the friction plate being installed on described fork one end and for installing described fork installed part on described pedestal, described fork is installed on described pedestal, it it is the pivot point of described braking fork assembly at described installed part, when in described electromotor brake work process, described braking fork assembly rotates around described pivot point, and described tripping spring is by compression.
More specifically, described fork includes the fixed part for fixedly mounting described friction plate and the rotating part perpendicular with described fixed part, described rotating part includes the first connecting portion and the second connecting portion laying respectively at described pivot point both sides, described first connecting portion connects described fixed part and described pivot point, extends from described second connecting portion the most described pivot point direction and forms the first contact contacting with described contact switch or departing from.
More specifically, described pedestal includes substrate, the first installation portion extended from the bending of described substrate one end；Described braking fork assembly also includes the second installation portion being formed on described fork, and the two ends of described tripping spring are connected to described first installation portion and described second installation portion.
More specifically, described second installation portion is to brake the second contact of fork assembly for interacting with described flameout switch assembly.
More specifically, described flameout switch is arranged the 3rd contact being mutually butted with the second contact or separating.
More specifically, described contact switch is arranged the 4th contact being mutually butted with the first contact or separating.
More specifically, the 3rd contact of described flameout switch and the 4th contact of described contact switch lay respectively at braking fork assembly the first contact, the both sides of the second contact.
Compared to prior art, this utility model for electromotor brake unit have the beneficial effect that engine start or brake stop time, contacted with each other from different switches respectively by braking fork assembly and form electrical connection, thus ensure that when motor can need to start or normally work, it is ensured that engine reliable starts or work；Ensure that the most again electromotor, under braking state, starts motor and motor will not be caused due to maloperation to form startup or work, thus prevent the damage of engine flywheel.
Accompanying drawing explanation
Fig. 1 is this utility model explosive view for the brake unit of electromotor.
Fig. 2 is this utility model startup location drawing for the brake unit of electromotor.
Fig. 3 is this utility model normal danger figure for the brake unit of electromotor.
nullLabel declaration in figure: 100. brake units，10. pedestal，101. substrate，102. first installation portions，1021. the first installing hole，20. braking fork assemblies，201. fork，2011. fixed part，2012. rotating part，20121. the first connecting portion，20122. the second connecting portion，2013. through hole，2014. the second contact，2015. the second contact，202. friction plate，203. installed part，204. second installation portions，2041. the second installing hole，30. tripping springs，40. flameout switch assemblies，401. flameout switch，4011. the 3rd contacts，402. screw，50. contact switch assemblies，501. contact switch，5011. the 4th contacts，502. bolt，503. nut.
Detailed description of the invention
Refer to accompanying drawing 1 to Fig. 3, this utility model is a kind of brake unit 100 for electromotor, and it includes pedestal 10, the braking fork assembly 20 being installed on pedestal 10, is installed on the tripping spring 30 of pedestal 10, the flameout switch 401 being installed on pedestal 10 and the contact switch 501 being installed on pedestal 10.When electromotor is in the first state (starting or working condition), described flameout switch 401 is not electrically connected with described braking fork assembly, described contact switch 501 is electrically connected with described braking fork assembly 20, when described electromotor the first state (in brake work process), described braking fork assembly 20 rotates around a bit, described flameout switch 401 is electrically connected with described braking fork assembly 20, and described contact switch 501 is not electrically connected with described braking fork assembly 20.
For the brake unit 100 of electromotor, this utility model also includes that flameout switch assembly 40, flameout switch assembly 40 include flameout switch 401 and screw 402, flameout switch 401 is installed on pedestal 10 by screw 402.
For the brake unit 100 of electromotor, this utility model also includes that contact switch assembly 50, contact switch assembly 50 include that contact switch 501 is installed on pedestal 10 by contact switch 501 and bolt 502 and nut 503, bolt 502 and nut 503.
As shown in Figure 1, the most plate-shaped structure of pedestal 10, in other embodiments, pedestal 10 is not limited to platy structure, its structure meets installs braking fork assembly 20, tripping spring 30, flameout switch assembly 40 and contact switch assembly 50, this utility model pedestal 10 is platy structure, for meeting very much engine interior space mounting requirement.Pedestal 10 includes substrate 101, the first installation portion 102 extended from the bending of substrate 101 one end, and the first installation portion 102 connects tripping spring 30 for fixing.Being provided through first installing hole 1021 on its surface on first installation portion 102, one end of tripping spring 30 is connected on the first installation portion 102 through the first installing hole 1021.
Braking fork assembly 20 includes fork 201, the friction plate 202 being installed on fork 201 one end and for installing the fork 201 installed part 203 on pedestal 10.Friction plate 202 is for contacting with the flywheel of electromotor (not shown).In the present embodiment, fork 201 includes the fixed part 2011 for fixedly mounting friction plate 202 and the rotating part 2012 perpendicular with described fixed part 2011.Being positioned on rotating part 2012 and arrange a through hole 2013, fork 201, through through hole 2013, is rotated and is installed on described pedestal 10 by installed part 203.It is positioned at described through hole 2013 pivot point (installing described braking fork assembly 20 at described pedestal 10) for braking fork assembly 20.Rotating part 2012 includes the first connecting portion 20121 and the second connecting portion 20122 laying respectively at pivot point both sides, first connecting portion 20121 connecting portion 2011 and pivot point, extends from the second connecting portion 20122 pivot point direction dorsad and forms the first contact 2014.Braking fork assembly 20 also includes that the second installation portion 204 being formed on described fork 201, the second installation portion 204 connect tripping spring 30 for fixing.In the present embodiment, the second installation portion 204 bends extension from the first connecting portion 20121 of described rotating part 2012 and forms, and the second installation portion 204 arranges the second installing hole 2041, and one end of tripping spring 30 is connected on the second installation portion 204 through the second installing hole 2041.This utility model brake unit 100 is additionally provided with the second contact 2015, and the second contact 2015 is for interacting with flameout switch assembly 40.In the present embodiment, the second contact is that self-retention fork rotating part 2012 is recessed to be formed.In other embodiments, any point of conduction on fork assembly 20 can be braked in the second contact.
As shown in Figures 2 and 3, flameout switch 401 is provided with the 3rd contact 4011.3rd contact is mutually butted with the second contact or separates.Contact switch 501 has the 4th contact 5011 for being mutually butted with the first contact 2014 of braking fork assembly 20 or separate.
As shown in Figure 2 and Figure 3, braking fork assembly 20, flameout switch assembly 40 are respectively arranged on pedestal 10 with contact switch assembly 50, tripping spring 30 connects braking fork assembly 20 and pedestal 10 respectively, and when braking fork assembly 20 by external force, braking fork assembly 20 rotates around pivot point.3rd contact of flameout switch 401 and the 4th contact of contact switch 501 lay respectively at braking fork assembly 20 first contact, the both sides of the second contact.
As in figure 2 it is shown, brake unit 100 is in startup position, it also it is the operating position of electromotor.I.e. when electromotor electrically activates the operating position with electromotor, under external force, now the friction plate 202 on the braking fork assembly 20 of brake unit 100 is in disengaged condition with engine flywheel, 3rd contact of flameout switch 401 does not contacts with the second contact of braking fork assembly, and flameout switch 401 is off with braking fork assembly 20.First contact 2014 of braking fork assembly 20 contacts with the 4th contact 5011 of contact switch 501 simultaneously, it is ensured that electrically activates motor circuit and connects, make startup motor normally work, it is ensured that engine reliable starts.As it is shown on figure 3, this figure discloses motor is in normal danger: removing external force, under the effect of tripping spring 30 pulling force, friction plate 202 contacts with engine flywheel, and the friction plate 202 on braking fork assembly 20 tightly embraces engine flywheel, thus plays braking action.Meanwhile, the second contact of braking fork assembly contacts with each other with the 3rd contact of flameout switch 401, makes flameout switch 401 connect with braking fork assembly 20, promotes engine misfire, so that engine reliable is shut down.And the 4th contact 5011 of the first contact 2014 and contact switch 501 now braking fork assembly 20 disconnects, contact switch 501 mutually disconnects with braking fork assembly 20, guarantee that starting motor circuit disconnects, startup motor is made to be in off working state, ensure that electromotor is under braking state, starting motor will not cause motor to form startup or work due to maloperation, thus prevents the damage of engine flywheel.
Schematically being described this utility model and embodiment thereof above, this description does not has restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited thereto.So, if those of ordinary skill in the art is enlightened by it, in the case of creating objective without departing from this utility model, design the frame mode similar to this technical scheme and embodiment without creative, protection domain of the present utility model all should be belonged to.
Claims (8)
1. the brake unit for electromotor, it is characterized in that: the brake unit of described electromotor includes pedestal, it is installed on the braking fork assembly of described pedestal, connect the tripping spring of described pedestal and described braking fork assembly, the flameout switch being installed on pedestal and the contact switch being installed on pedestal, when electromotor is in startup or working condition, described flameout switch is not electrically connected with described braking fork assembly, described contact switch is electrically connected with described braking fork assembly, when in described electromotor brake work process, described braking fork assembly rotates around any under the effect of described brake spring, described flameout switch is electrically connected with described braking fork assembly, described contact switch is not electrically connected with described braking fork assembly.
2. the brake unit for electromotor as claimed in claim 1, it is characterized in that: described braking fork assembly includes fork, the friction plate being installed on described fork one end and for installing described fork installed part on described pedestal, described fork is installed on described pedestal, it it is the pivot point of described braking fork assembly at described installed part, when, in described electromotor brake work process, described braking fork assembly rotates around described pivot point.
3. the brake unit for electromotor as claimed in claim 2, it is characterized in that: described fork includes the fixed part for fixedly mounting described friction plate and the rotating part perpendicular with described fixed part, described rotating part includes the first connecting portion and the second connecting portion laying respectively at described pivot point both sides, described first connecting portion connects described fixed part and described pivot point, extends from described second connecting portion the most described pivot point direction and forms the first contact contacting with described contact switch or departing from.
4. the brake unit for electromotor as claimed in claim 3, it is characterised in that: described pedestal includes substrate, the first installation portion extended from the bending of described substrate one end；Described braking fork assembly also includes the second installation portion being formed on described fork, and the two ends of described tripping spring are connected to described first installation portion and described second installation portion.
5. the brake unit for electromotor as claimed in claim 4, it is characterised in that: described second installation portion is to brake the second contact of fork assembly for interacting with described flameout switch assembly.
6. the brake unit for electromotor as claimed in claim 5, it is characterised in that: the 3rd contact being mutually butted with the second contact or separating is set on described flameout switch.
7. the brake unit for electromotor as claimed in claim 6, it is characterised in that: the 4th contact being mutually butted with the first contact or separating is set on described contact switch.
8. the brake unit for electromotor as claimed in claim 7, it is characterised in that: the 3rd contact of described flameout switch and the 4th contact of described contact switch lay respectively at braking fork assembly the first contact, the both sides of the second contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520618116.1U CN205422866U (en) | 2015-08-17 | 2015-08-17 | A arresting gear for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520618116.1U CN205422866U (en) | 2015-08-17 | 2015-08-17 | A arresting gear for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205422866U true CN205422866U (en) | 2016-08-03 |
Family
ID=56518371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520618116.1U Expired - Fee Related CN205422866U (en) | 2015-08-17 | 2015-08-17 | A arresting gear for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205422866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468192A (en) * | 2015-08-17 | 2017-03-01 | 江苏苏铃精工机械有限公司 | Brake unit for electromotor |
| CN106762320A (en) * | 2017-01-18 | 2017-05-31 | 隆鑫通用动力股份有限公司 | All-purpose gasoline brake and general gasoline engines |
-
2015
- 2015-08-17 CN CN201520618116.1U patent/CN205422866U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468192A (en) * | 2015-08-17 | 2017-03-01 | 江苏苏铃精工机械有限公司 | Brake unit for electromotor |
| CN106762320A (en) * | 2017-01-18 | 2017-05-31 | 隆鑫通用动力股份有限公司 | All-purpose gasoline brake and general gasoline engines |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20190817 |