CN206460923U - A kind of operation structure of explosion-proof safe breaker - Google Patents
A kind of operation structure of explosion-proof safe breaker Download PDFInfo
- Publication number
- CN206460923U CN206460923U CN201720175544.0U CN201720175544U CN206460923U CN 206460923 U CN206460923 U CN 206460923U CN 201720175544 U CN201720175544 U CN 201720175544U CN 206460923 U CN206460923 U CN 206460923U
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- Prior art keywords
- explosion
- energy
- storaging spring
- guiding shell
- proof
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Abstract
The utility model is related to a kind of operation structure of explosion-proof safe breaker, including the contiguous block in explosion-proof casing, contiguous block is connected with circuit breaker handle, it is provided with explosion-proof casing and is located at the disconnection power set of both sides and closure power set above and below contiguous block respectively, disconnecting power set and closure power set includes guiding shell, reciprocating screw is provided with guiding shell, reciprocating screw is set with and sliding block, the first energy-storaging spring is provided between sliding block and push rod；Guiding shell outer sheath moves the second energy-storaging spring equipped with the push rod for limiting unlatching.The setting of first energy-storaging spring and the second energy-storaging spring make it that the early stage push rod that reciprocating screw is rotated is motionless, first energy-storaging spring compresses, the first energy-storaging spring promotes push rod to move rapidly when the first energy-storaging spring elastic force is enough to overcome the resistance of the second energy-storaging spring, circuit breaker handle is opening and closing of to be swift in motion, and effectively avoids the generation of electric arc.Due to guiding shell setting by reciprocating screw cover on inner side, preferably it is explosion-proof, isolation.
Description
Technical field
The utility model is related to breaker, more particularly to a kind of operation structure of explosion-proof safe breaker.
Background technology
A kind of existing flameproof circuit breaker, in order to ensure safety, flame-proof type breaker is placed in the casing of INCREASEDSAFETY,
The upper surface of casing is provided with the operating mechanism being connected with box house flame-proof type breaker handle, and operating mechanism is so that open circuit
The mechanism of device action, by operating operating mechanism, can cause breaker to perform the multiple actions of closure, disconnection, test etc..It is right
For flameproof circuit breaker, operating mechanism main body needs to be arranged on the inside of flame proof cavity, it will usually have a part pass through every
Quick-fried shell is simultaneously extended to outside flameproof enclosure, and operating personnel's operation is located at the part outside flameproof enclosure, and operational motion is transmitted
Operating mechanism main body within to flameproof enclosure so that operating mechanism is acted.In the prior art, it is many to drive shift fork to put using knob
Dynamic, shift fork drives circuit breaker handle to move up and down the closed and disconnected for realizing breaker.Because knob rotation drives shift fork to swing
Process is slower, and the disconnection of circuit breaker handle and closure are also slower, can have the problem of electric arc occur in operating process, deposit
In potential safety hazard.
Utility model content
Technical problem to be solved in the utility model, which is to provide one kind, to be disconnected breaker and close rapidly, it is to avoid electricity
Arc generation and the operation structure of the high explosion-proof safe breaker of explosion-proof performance.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of operation of explosion-proof safe breaker
Structure, including the contiguous block in explosion-proof casing, the contiguous block are provided with guide groove, the madial wall of the explosion-proof casing
Provided with guide table, the contiguous block is slidably mounted in the guide table by the guide groove；The contiguous block and breaker
Handle is connected, and the dynamic action device for promoting the contiguous block to slide up and down is provided with the explosion-proof casing；The power is made
Include being located at respectively the disconnection power set of both sides and closure power set, the disconnection power above and below the contiguous block with device
Device and the closure power set are included in the guiding shell being fixed on the explosion-proof casing, the guiding shell provided with guiding
Reciprocating screw is provided with chamber, the directed cavity, the stroke of the reciprocating screw is swung up and down with the circuit breaker handle free end
Stroke it is identical；The reciprocating screw is rotatably installed on the explosion-proof casing, and one end of the reciprocating screw stretches out described anti-
Quick-fried housing is simultaneously connected with operation handle；The part that the reciprocating screw is located in the directed cavity is set with the cunning coordinated with it
Block, the guiding shell is provided with the anti-rotation structure for preventing that the sliding block from rotating；The one end of the sliding block away from the operation handle is consolidated
Surely there are the first energy-storaging spring, one end connection push rod of first energy-storaging spring away from the sliding block；The guiding shell outer sheath
Equipped with the second energy-storaging spring, one end that second energy-storaging spring closes on the explosion-proof casing is fixed in the guiding shell, institute
The other end of the second energy-storaging spring is stated through the guiding shell and is stretched into the guiding shell, the push rod stores away from described first
One end of energy spring is provided with butt frustum, and the big end of the frustum is connected with the push rod, and second energy-storaging spring stretches into institute
One end in guiding shell is stated to be against on the conical surface of the frustum.
As preferred technical scheme, the pitch of the reciprocating screw is equal to the upper bottom of the circuit breaker handle free end
Dynamic stroke.
As preferred technical scheme, the anti-rotation structure includes the anti-turntable being arranged on the guiding shell inwall, institute
State sliding block and be provided with the groove being engaged with anti-turntable.
As preferred technical scheme, the guiding shell is made of plastics.
As preferred technical scheme, the contiguous block is provided with neck, and the circuit breaker handle is stretched into the neck.
By adopting the above-described technical solution, the setting of the first energy-storaging spring and the second energy-storaging spring causes push rod reciprocal
The early stage push rod that screw rod is rotated is motionless, the first energy-storaging spring compress energy storage, is enough gram after the elastic force after the compression of the first energy-storaging spring
The first energy-storaging spring promotes push rod movement when taking the resistance of the second energy-storaging spring, and now push rod translational speed is fast, circuit breaker handle
It is opening and closing of to be swift in motion, effectively avoid the generation of electric arc.Simultaneously as the setting of guiding shell is by reciprocating screw cover
In inner side, preferably explosion-proof, isolation, it is ensured that the personal safety of operator.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structural representation that the utility model embodiment breaks power set/closure power set.
In figure：1- explosion-proof casings；2- breakers；3- circuit breaker handles；4- guide tables；5- contiguous blocks；6- necks；7- second
Energy-storaging spring；8- frustums；9- push rods；The energy-storaging springs of 10- first；11- sliding blocks；12- reciprocating screws；13- operation handles；14- prevents
Turntable；15- guiding shells.
Embodiment
As depicted in figs. 1 and 2, a kind of operation structure of explosion-proof safe breaker, including be slidably mounted on explosion-proof casing 1
Interior contiguous block 5, the madial wall of the explosion-proof casing 1 is provided with guide table 4, and the contiguous block 5 is provided with guide groove, the connection
Block 5 is slidably mounted in the guide table 4 by the guide groove.The length of guide table 4 to be formed with moving up and down for contiguous block 5
Correlation, ensure that the slippage not from guide table 4 in the sliding process of contiguous block 5.Breaker 2 is arranged in explosion-proof casing 1,
The contiguous block 5 is connected with circuit breaker handle 3.The contiguous block 5 is provided with neck 6, and the circuit breaker handle 3 stretches into the neck
In 6, swung by the drive circuit breaker handle 3 that moves up and down of contiguous block 5.The promotion company is provided with the explosion-proof casing 1
The dynamic action device that block 5 is slided up and down is connect, about 5 both sides including being located at the contiguous block respectively for the dynamic action device
Disconnect power set and closure power set.Unlatching and closure regulation according to breaker 2, are arranged on the upper end of explosion-proof casing 1
For disconnect power set, accordingly, be arranged on the lower end of explosion-proof casing 1 for closure power set.
It is described to disconnect the guiding shell that power set and the closure power set include being fixed on the explosion-proof casing 1
15, be provided with directed cavity, the directed cavity in the guiding shell 15 and be provided with reciprocating screw 12, the stroke of the reciprocating screw 12 with
The stroke that the free end of circuit breaker handle 3 is swung up and down is identical.The reciprocating screw 12 is rotatably installed in the explosion-proof casing 1
On, one end of the reciprocating screw 12 stretches out the explosion-proof casing 1 and is connected with operation handle 13.The reciprocating screw 12 is located at
Part in the directed cavity is set with the sliding block 11 coordinated with it, and reciprocating screw 12 and using cooperatively for sliding block 11 are existing skills
Art, its structure is not discussed in detail herein.The guiding shell 15 is provided with the anti-rotation structure for preventing that the sliding block 11 from rotating, anti-rotation structure
Setting realize the rectilinear movement for being converted into sliding block 11 of reciprocating screw 12.The anti-rotation structure is described including being arranged on
Anti- turntable 14 on the inwall of guiding shell 15, the sliding block 11 is provided with the groove being engaged with anti-turntable., can for the ease of processing
The inner chamber profile of the guiding shell 15 is set to polygon, the outline of the sliding block 11 and the inner chamber phase of the guiding shell 15
Adapt to, both can guarantee that sliding block 11 was oppositely oriented shell 15 and delays to slide axially, while it is logical with reciprocating screw 12 1 to be also prevented from sliding block 11
Rotate.The one end of the sliding block 11 away from the operation handle 13 is fixed with the first energy-storaging spring 10, first energy-storaging spring
10 one end connection push rods 9 away from the sliding block 11.The one end of the push rod 9 away from first energy-storaging spring 10 is provided with butt
Frustum 8, the big end of the frustum 8 is connected with the push rod 9.The outer sheath of guiding shell 15 is equipped with the second energy-storaging spring 7, described
One end that second energy-storaging spring 7 closes on the explosion-proof casing 1 is fixed in the guiding shell 15, second energy-storaging spring 7
The other end is through the guiding shell 15 and stretches into the guiding shell 15, and second energy-storaging spring 7 stretches into the guiding shell 15
Interior one end is against on the conical surface of the frustum 8.
Further, for the ease of operation, the pitch of the reciprocating screw 12 is equal to the free end of circuit breaker handle 3
The stroke swung up and down.Operation handle 13 rotate a circle can complete push rod 9 promote circuit breaker handle 3 complete closure or openness and
Closure or openness rear push-rod 9 is completed to reset, it is easy to operate.
A kind of operation principle of the operation structure of explosion-proof safe breaker：
Note：For the position of the different working condition that preferably identifies contiguous block 5 and circuit breaker handle 3, dotted line part in Fig. 1
Point it is position when contiguous block 5 promotes the circuit breaker handle 3 to close.
Close circuit breaker：Operation is positioned at the closure power set of the lower end of explosion-proof casing 1, turn operation handle 13, sliding block 11
Up moved in the presence of reciprocating screw 12, due to the presence of the second energy-storaging spring 7, push rod 9 is not moved temporarily and first stores
Energy spring 10 is compressed, and when the elastic force of the first energy-storaging spring 10 is sufficiently large and can overcome the resistance of the second energy-storaging spring 7, is pushed away
Bar 9 is released rapidly by the first energy-storaging spring 10, and push rod 9 promotes contiguous block 4 to drive circuit breaker handle 3 rapid up, closure open circuit
Device 2.
Cut-off breaker：The same close circuit breaker of principle, difference is needing to operate positioned at explosion-proof shell with cut-off breaker
The disconnection power set of the upper end of body 1.
Because the unlatching of circuit breaker handle 3 and the action of closure are very fast, electric arc, safe operation, explosion-proof effect will not be produced
It is good.Simultaneously as turn reciprocating screw 12 during operation, member of the reciprocating screw 12 through explosion-proof casing 1 and in explosion-proof casing 1
Part is connected, and reciprocating screw 1 is located in guiding shell 15, and the reciprocating screw 12 that guiding shell 15 effectively operates hand is isolated,
Preferably ensure safe operation.Therefore, the guiding shell 15 is preferably made up of the plastics insulating.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (5)
1. a kind of operation structure of explosion-proof safe breaker, it is characterised in that：Including the contiguous block in explosion-proof casing,
The contiguous block is provided with guide groove, and the madial wall of the explosion-proof casing is provided with guide table, and the contiguous block is oriented to by described
Groove is slidably mounted in the guide table；The contiguous block is connected with circuit breaker handle, and promotion is provided with the explosion-proof casing
The dynamic action device that the contiguous block is slided up and down；The dynamic action device includes respectively being located at two above and below the contiguous block
The disconnection power set and closure power set of side, the disconnection power set and the closure power set include being fixed on
It is provided with guiding shell on the explosion-proof casing, the guiding shell in directed cavity, the directed cavity and is provided with reciprocating screw, it is described past
The stroke of multiple screw rod is identical with the stroke that the circuit breaker handle free end is swung up and down；The reciprocating screw is rotatably installed in institute
State on explosion-proof casing, one end of the reciprocating screw stretches out the explosion-proof casing and is connected with operation handle；The reciprocating screw
Part in the directed cavity is set with the sliding block coordinated with it, and the guiding shell, which is provided with, prevents the anti-of the sliding block rotation
Rotation structure；The one end of the sliding block away from the operation handle is fixed with the first energy-storaging spring, and first energy-storaging spring is remote
One end connection push rod of the sliding block；The guiding shell outer sheath is equipped with the second energy-storaging spring, and second energy-storaging spring closes on
One end of the explosion-proof casing is fixed in the guiding shell, and the other end of second energy-storaging spring passes through the guiding shell simultaneously
Stretch into the guiding shell, the one end of the push rod away from first energy-storaging spring be provided with butt frustum, the frustum it is big
End is connected with the push rod, and second energy-storaging spring stretches into one end in the guiding shell and is against on the conical surface of the frustum.
2. a kind of operation structure of explosion-proof safe breaker as claimed in claim 1, it is characterised in that：The reciprocating screw
Pitch be equal to the circuit breaker handle free end the stroke swung up and down.
3. a kind of operation structure of explosion-proof safe breaker as claimed in claim 1, it is characterised in that：The anti-rotation structure
Including the anti-turntable being arranged on the guiding shell inwall, the sliding block is provided with the groove being engaged with anti-turntable.
4. a kind of operation structure of explosion-proof safe breaker as claimed in claim 1, it is characterised in that：The guiding shell by
Plastics are made.
5. a kind of operation structure of explosion-proof safe breaker as claimed in claim 1, it is characterised in that：The contiguous block is set
There is neck, the circuit breaker handle is stretched into the neck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175544.0U CN206460923U (en) | 2017-02-27 | 2017-02-27 | A kind of operation structure of explosion-proof safe breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175544.0U CN206460923U (en) | 2017-02-27 | 2017-02-27 | A kind of operation structure of explosion-proof safe breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206460923U true CN206460923U (en) | 2017-09-01 |
Family
ID=59690296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720175544.0U Expired - Fee Related CN206460923U (en) | 2017-02-27 | 2017-02-27 | A kind of operation structure of explosion-proof safe breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206460923U (en) |
-
2017
- 2017-02-27 CN CN201720175544.0U patent/CN206460923U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20180227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |