CN207302936U - A kind of speed-regulating switch of strap brake contact - Google Patents
A kind of speed-regulating switch of strap brake contact Download PDFInfo
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- CN207302936U CN207302936U CN201721416626.6U CN201721416626U CN207302936U CN 207302936 U CN207302936 U CN 207302936U CN 201721416626 U CN201721416626 U CN 201721416626U CN 207302936 U CN207302936 U CN 207302936U
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- adjustable shelf
- contact
- contact assembly
- brake
- speed
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Abstract
A kind of speed-regulating switch of strap brake contact,It is related to switching technique field,Its structure includes housing,The adjustable shelf and contact assembly being slidably mounted in housing,Contact assembly includes main contact component and brake contact assembly,Adjustable shelf driving brake contact assembly moves up and down,Adjustable shelf is connected with brake contact assembly by elastic component,Adjustable shelf drives brake contact assembly to act by elastic component,Elastic component drives main contact component kick,It is also equipped with housing and the brake matched locking mechanism of contact assembly,Adjustable shelf driving locking mechanism unlock,Locking mechanism includes spring leaf and protrusion,It is spacing to brake contact assembly progress that one end of spring leaf compresses brake contact assembly,The other end of spring leaf is connected with power supply,Protrusion is arranged on adjustable shelf,The raised up and down motion with adjustable shelf triggers disconnection and the closure of main contact component,The structure of the utility model may be such that the disconnection or closure that main contact component is Kick type,Electrical wear is smaller,Service life is longer.
Description
Technical field
Switching technique field is the utility model is related to, more particularly to a kind of speed-regulating switch of strap brake contact.
Background technology
The rated voltage of switch is 42V, rated current 30A, and during brake, brake electric current is up to 100A, therefore in product
Use during brake contact electrical wear will be than more serious.
Such as a kind of Mobile switch of the prior art, including pedestal, be slidably arranged on the pedestal press section, set
Put the spring between the pedestal and the press section, be fixed at the terminal of the base bottom, on the press section
Be connected with for the contact site with the terminal phase electrical conductive communication and for by the switch between disconnection and closure it is tangent
The switching mechanism changed, the press section have the extension for sliding along direction extension, and the switching mechanism includes being arranged on institute
The latch hook on pedestal is stated, is arranged on the extension side and there is the first boss of bayonet, when the switch is in closed form
During state, the contact site is in contact with the terminal, and the latch hook is stuck in the bayonet；When the switch is off
When, the contact site is separated with the terminal, and the latch hook departs from the bayonet, and the switching mechanism, which further includes, is arranged on institute
The second boss of the side opposite with side where the first boss of extension is stated, when the switch is in closure state,
The latch hook and the second boss phase clamping, the Mobile switch service life of such a structure are shorter.
The content of the invention
The purpose of this utility model is that avoid shortcoming of the prior art and a kind of tune of strap brake contact is provided
Speed switch, the electrical wear in brake of the speed-regulating switch of the strap brake contact is smaller, and service life is longer.
The purpose of this utility model is achieved through the following technical solutions：
A kind of speed-regulating switch of strap brake contact is provided, including housing, the activity that is slidably mounted in the housing
Frame and contact assembly, the contact assembly include main contact component and brake contact assembly, and the adjustable shelf drives the brake
Contact assembly moves up and down, and the adjustable shelf is connected with the brake contact assembly by elastic component, and the adjustable shelf passes through
The elastic component drives the brake contact assembly action, and the elastic component drives the main contact component kick, the housing
Inside it is also equipped with driving the locking mechanism unlock with the brake matched locking mechanism of contact assembly, the adjustable shelf,
The locking mechanism includes spring leaf and protrusion, and one end of the spring leaf compresses the brake contact assembly, the spring leaf
The other end be fixed on the adjustable shelf, the protrusion is arranged on the adjustable shelf, it is described it is raised with the adjustable shelf up and down
The disconnection of main contact component and closure described in motion triggers.
Wherein, the adjustable shelf is equipped with the first pole piece for being used for connecting power supply, and first pole piece is with the activity
The up and down motion of frame is connected or disconnected with the brake contact assembly.
Wherein, the other end of the spring leaf is connected by the second pole piece with power supply.
Wherein, the main contact component includes static contact and moving contact, and the static contact is connected with second pole piece, institute
One end that moving contact is arranged on oscillating rod, the other end of the oscillating rod and the projection contacts are stated, the middle part of the oscillating rod is lived
It is dynamic to be fixed on the adjustable shelf.
Wherein, it is fixed with the first spring on the oscillating rod, first spring, which is pressurized, shrinks in the oscillating rod and described
Between adjustable shelf.
Wherein, the adjustable shelf is equipped with push button element.
Wherein, the elastic component is second spring.
Wherein, the main contact modules in parallel has backward dioded.
The beneficial effects of the utility model：The brake contact assembly of the utility model is on adjustable shelf with adjustable shelf
Lower movement, it is raised as the up and down motion of adjustable shelf causes main contact component moment to be switched on or switched off main circuit on adjustable shelf,
Spring leaf then provide a thrust play the role of again connection sheet by brake contact assembly be connected in brake circuits, this practicality
New structure may be such that the disconnection or closure that main contact component is Kick type, and electrical wear is smaller, and service life is longer.
Brief description of the drawings
Utility model is described further using attached drawing, but the embodiment in attached drawing does not form and the utility model is appointed
What is limited, without creative efforts, can also be according to the following drawings for those of ordinary skill in the art
Obtain other attached drawings.
Fig. 1 is a kind of overall structure diagram of the speed-regulating switch of strap brake contact of the utility model.
Fig. 2 is a kind of decomposition texture schematic diagram of the speed-regulating switch of strap brake contact of the utility model.
Fig. 3 is a kind of first job state diagram of the speed-regulating switch of strap brake contact of the utility model.
Fig. 4 is a kind of second working state figure of the speed-regulating switch of strap brake contact of the utility model.
Fig. 5 is a kind of the 3rd working state figure of the speed-regulating switch of strap brake contact of the utility model.
Fig. 6 is a kind of the 4th working state figure of the speed-regulating switch of strap brake contact of the utility model.
Fig. 7 is a kind of the 5th working state figure of the speed-regulating switch of strap brake contact of the utility model.
Fig. 8 is a kind of structure diagram of the adjustable shelf of the speed-regulating switch of strap brake contact of the utility model.
Fig. 9 is a kind of structure diagram of the brake contact of the speed-regulating switch of strap brake contact of the utility model.
Figure 10 is a kind of circuit diagram of the speed-regulating switch of strap brake contact of the utility model.
Include in figure：
Adjustable shelf 1, protrusion 11, main contact component 2, brake contact assembly 3, spring leaf 4, the first pole piece 5, the second pole piece 6,
Oscillating rod 7, the first spring 8, second spring 9, push button element 10, backward dioded 12, middle pole piece 13.
Embodiment
The utility model is further described with the following Examples.
A kind of speed-regulating switch of the strap brake contact of the present embodiment, as shown in Figures 1 to 6, including housing（Do not show in figure
Go out）, the adjustable shelf 1 and contact assembly that are slidably mounted in the housing, the contact assembly includes 2 He of main contact component
Brake contact assembly 3, and the adjustable shelf 1 drives the brake contact assembly 3 to move up and down, the adjustable shelf 1 and the brake
Contact assembly 3 is connected by elastic component, and the adjustable shelf 1 drives the brake contact assembly 3 to act by the elastic component,
The elastic component drives 2 kick of main contact component, is also equipped with being engaged with the brake contact assembly 3 in the housing
Locking mechanism, the adjustable shelf 1 drives the locking mechanism to unlock, and the locking mechanism includes spring leaf 4 and protrusion 11,
One end of the spring leaf 4 compresses the brake contact assembly 3, and the other end of the spring leaf 4 is connected with power supply, specifically,
The other end of the spring leaf 4 is connected by the second pole piece 6 with power supply, and described raised 11 are arranged on the adjustable shelf 1, the protrusion
11 trigger disconnection and the closure of the main contact component 2 with the up and down motion of the adjustable shelf 1.
Wherein, the adjustable shelf 1 is equipped with the first pole piece 5 for being used for connecting power supply, and first pole piece 5 is with the work
The up and down motion of moving frame 1 is connected or disconnected with the brake contact assembly 3.
Wherein, the main contact component 2 includes static contact and moving contact, and the static contact is connected with second pole piece 6,
I.e. static contact is located at the left side of second pole piece 6, and spring leaf 4 is located at the right side of second pole piece 6.
The moving contact is arranged on one end of oscillating rod 7, and the other end of the oscillating rod 7 is contacted with described raised 11, described
The adjustable shelf 1 is fixed in the middle part activity of oscillating rod 7.
Wherein, the first spring 8 is fixed with the oscillating rod 7, first spring 8 is pressurized and shrinks in the oscillating rod and institute
Between stating adjustable shelf 1, the first spring 8 provides contact pressure for main contact assembly 2.
Wherein, the adjustable shelf 1 is equipped with push button element 10, for by compressing switch.
Wherein, the elastic component is second spring 9.
Wherein, the main contact component 2 is parallel with backward dioded D1, and main contact component 2 disconnects, and backward dioded D1 is
For connecting brake circuits, while also there is afterflow effect, make the more steady noise smaller of motor operation.
A kind of speed-regulating switch operation principle of strap brake contact of the present embodiment is as follows：
Original state is as shown in fig. 7, press push button element 10 then as shown in figure 3, adjustable shelf 1（Do not marked in figure）With button
Part 10 moves downward, and band dynamic main contac component 2 connects major loop, and brake contact assembly 3 disconnects brake before main contact component 2 is connected
Car circuit, spring leaf 4 is under the action of elasticity against brake contact assembly 3.
Release button, as shown in figure 4, button moves upwards, drives adjustable shelf 1 to move upwards, and brake contact assembly 3 follows
Adjustable shelf 1 moves upwards, due to the effect of spring leaf 4, is blocked after the contact assembly 2 that brakes walks a distance upwards by spring leaf 4
It cannot firmly continue up.
Continue release button, as shown in figure 5, button moves upwards, drive adjustable shelf 1 to move upwards, brake contact assembly 3
Being blocked by second spring 9 to continue up, 9 compressed energy-storage of second spring to brake under contact assembly 3.With adjustable shelf
1 continues up, and the band dynamic main contac of protrusion 11 component 3 on adjustable shelf 1 disconnects major loop.
Continue release button, button moves upwards, drives adjustable shelf 1 to move upwards, the second bullet to brake under contact assembly 3
9 compressed energy-storage of spring, the upward power of compression second spring 9 reache a certain level and will push spring leaf 4 open and move right, and make brake contact
Component 3 unlocks, and adjustable shelf 1 drives brake contact assembly 3 to move rapidly upward under the action of second spring 9 is compressed, such as Fig. 6 institutes
Show.
Continuing release button part 10, brake 3 and second pole piece 6 of contact assembly contacts, so that brake circuits are connected, such as Fig. 7
It is shown, switch contacts component 2 is returned to original state.
A kind of speed-regulating switch of strap brake contact of the present embodiment, its circuit diagram is as shown in Figure 10, wherein, B+ is electricity
Source cathode, is connected with middle pole piece；SHS is power cathode, is connected with the second pole piece 6；SW1 correspond to main contact component 2, SW2 pairs
Should be braked contact assembly 3；SW3 be switch, M1 and M2 be motor, L1 is inductance, C1 is capacitance, D1 is backward dioded, R1 is
Resistance.
For the brake contact assembly 3 of the present embodiment as adjustable shelf 1 moves up and down on adjustable shelf 1, main contact component 2 is logical
The protrusion 11 crossed on adjustable shelf 1 is switched on or switched off main circuit with the up and down motion of adjustable shelf 1, and spring leaf 4 provides a pressure
Clamp force plays the role of connection sheet and brake contact assembly 3 is connected in circuit again, and the structure of the present embodiment may be such that main contact
Disconnection or closure of the component 2 for Kick type, electrical wear is smaller, and service life is longer.
Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality
With the limitation of novel protected scope, although being explained with reference to preferred embodiment to the utility model, this area it is general
Lead to it will be appreciated by the skilled person that can be to the technical solution of the utility model technical scheme is modified or replaced equivalently, without departing from this
The spirit and scope of utility model technical solution.
Claims (8)
- A kind of 1. speed-regulating switch of strap brake contact, it is characterised in that：Including housing, it is slidably mounted in the housing Adjustable shelf and contact assembly, the contact assembly includes main contact component and the contact assembly that brakes, described in the adjustable shelf driving The contact assembly that brakes moves up and down, and the adjustable shelf is connected with the brake contact assembly by elastic component, the adjustable shelf The brake contact assembly is driven to act by the elastic component, the elastic component drives the main contact component kick, described It is also equipped with driving the locking mechanism solution with the brake matched locking mechanism of contact assembly, the adjustable shelf in housing Lock, the locking mechanism include spring leaf and protrusion, and one end of the spring leaf compresses the brake contact assembly, the spring The other end of piece is fixed on the adjustable shelf, and the protrusion is arranged on the adjustable shelf, and the protrusion is upper with the adjustable shelf The disconnection of main contact component and closure described in lower motion triggers.
- A kind of 2. speed-regulating switch of strap brake contact as claimed in claim 1, it is characterised in that：The adjustable shelf, which is equipped with, to be used In the first pole piece of connection power supply, first pole piece connects with the up and down motion of the adjustable shelf with the brake contact assembly Logical or disconnection.
- A kind of 3. speed-regulating switch of strap brake contact as claimed in claim 1, it is characterised in that：The other end of the spring leaf It is connected by the second pole piece with power supply.
- A kind of 4. speed-regulating switch of strap brake contact as claimed in claim 3, it is characterised in that：The main contact component includes Static contact and moving contact, the static contact are connected with second pole piece, and the moving contact is arranged on one end of oscillating rod, the pendulum The adjustable shelf is fixed in the other end of lever and the projection contacts, the middle part activity of the oscillating rod.
- A kind of 5. speed-regulating switch of strap brake contact as claimed in claim 4, it is characterised in that：It is fixed with the oscillating rod First spring, first spring are pressurized and shrink between the oscillating rod and the adjustable shelf.
- A kind of 6. speed-regulating switch of strap brake contact as any one of claim 1-5, it is characterised in that：The activity Frame is equipped with push button element.
- A kind of 7. speed-regulating switch of strap brake contact as any one of claim 1-5, it is characterised in that：The elasticity Part is second spring.
- A kind of 8. speed-regulating switch of strap brake contact as any one of claim 1-5, it is characterised in that：The master touches Head assembly is parallel with backward dioded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416626.6U CN207302936U (en) | 2017-10-31 | 2017-10-31 | A kind of speed-regulating switch of strap brake contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416626.6U CN207302936U (en) | 2017-10-31 | 2017-10-31 | A kind of speed-regulating switch of strap brake contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207302936U true CN207302936U (en) | 2018-05-01 |
Family
ID=62274817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721416626.6U Active CN207302936U (en) | 2017-10-31 | 2017-10-31 | A kind of speed-regulating switch of strap brake contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207302936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265248A (en) * | 2019-07-18 | 2019-09-20 | 科都电气有限公司 | The commutation brake gear and direct current electric power tools switch of direct current electric power tools switch |
-
2017
- 2017-10-31 CN CN201721416626.6U patent/CN207302936U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265248A (en) * | 2019-07-18 | 2019-09-20 | 科都电气有限公司 | The commutation brake gear and direct current electric power tools switch of direct current electric power tools switch |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: 325600 Puqi Industrial Zone, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Kedu Electric Co.,Ltd. Address before: 325608 Kedu electric, block C, Puqi Industrial Zone, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: KEDU ELECTRIC Co.,Ltd. |