CN208938829U - A kind of device for switching contact of stable connection - Google Patents
A kind of device for switching contact of stable connection Download PDFInfo
- Publication number
- CN208938829U CN208938829U CN201821630438.8U CN201821630438U CN208938829U CN 208938829 U CN208938829 U CN 208938829U CN 201821630438 U CN201821630438 U CN 201821630438U CN 208938829 U CN208938829 U CN 208938829U
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- wall
- block
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- contact
- static
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Abstract
The utility model discloses a kind of device for switching contacts of stable connection of electrical contact technical field, including pedestal, outer wall is provided with mounting base on the left of the base top, the mounting base top exterior walls offer rotation slot, the handle outer right wall is provided with link block, the link block right end is connect with telescopic device, front and rear sides outer wall is provided with shaft at the top of the mounting plate, the shaft top is connect with static contact, the side top exterior walls close to each other of static contact described in two groups are hinged with block, two groups of static contacts are separated by block in device, contact moving contact with two groups of static contacts when falling, and moving contact between two groups of static contacts from when removing, it is expanded by support spring, make supporting block push two groups of blocks to move up, open two groups of static contacts outward, to make moving contact also not connect with static contact Touching, prevents from rubbing and damaging for a long time between moving contact and static contact.
Description
Technical field
The utility model relates to electrical contact technical field, the device for switching contact of specially a kind of stable connection.
Background technique
The contact of device for switching contact includes static contact and moving contact, is switched during use, moving contact and stationary contact
It rubs for a long time between head, is easy to wear moving contact with static contact, leads to static contact and moving contact poor contact, influence
The using effect of switch, for this purpose, it is proposed that a kind of device for switching contact of stable connection.
Utility model content
The purpose of this utility model is to provide a kind of device for switching contacts of stable connection, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of device for switching contact of stable connection,
Including pedestal, outer wall is provided with mounting base on the left of base top, and mounting base top exterior walls offer rotation slot, and rotation slot inner cavity
It is movably set with moving contact, and moving contact right end extends to the outer right wall of mounting base and connect with handle, handle outer right wall
It is provided with link block, link block right end is connect with telescopic device, and telescopic device left bottom outer wall is provided with fixture block, base right side
Outer wall offers the card slot to match with fixture block, and base top outer right wall is provided with mounting plate, mounting plate front and rear sides outer wall
It is provided with fixed block, and fixed block bottom outer wall is flexibly connected with base top outer wall, front and rear sides outer wall at the top of mounting plate
It is provided with shaft, shaft top is connect with static contact, and two groups of static contacts side top exterior walls close to each other are hinged with gear
Block, and two groups of blocks are bonded to each other far from one end of static contact, moving contact bottom outer wall is provided with two groups of locating pieces, and block top
Portion's outer wall offers the locating slot to match with locating piece, and mounting plate top exterior walls are provided with support spring, and support spring position
Between two groups of shafts, support spring top is provided with supporting block, and supporting block top fits with two groups of block bottom ends.
Preferably, the connecting portion of pedestal and fixed block offers mounting groove, and inner wall is provided with pull rod on the right side of mounting groove, and
Pull rod right end extends to the outer right wall of pedestal, and pull rod left end is connect with connecting rod, and connecting rod left bottom outer wall is provided with multiple
Position spring, and reset spring left end is connect with mounting groove inner left wall, fixed block bottom outer wall offers link slot, and connecting rod
Top is plugged on the inner cavity of link slot, and connecting rod left side top outer wall is provided with limited block, and link slot left side top inner wall opens up
There is the limiting slot to match with limited block.
Preferably, telescopic device includes the fixed link connecting with link block, and bottom of fixed outer wall is provided with motion bar,
And motion bar top extends to the inner cavity of fixed link and connect with adjustable spring, and adjustable spring top and fixed link inner cavity top
Connection.
Preferably, two groups of static contacts side top exterior walls close to each other open up fluted, and the vertical section of groove is in
The vertical section width of semicircle, static contact is gradually reduced from top to bottom.
Preferably, mounting plate top exterior walls are provided with two groups of baffles, and the side outer wall and two that two groups of baffles are close to each other
The side bottom outer wall that group static contact is located remotely from each other fits.
Preferably, handle outer wall is evenly arranged with convex block, and the vertical section semicircular in shape of convex block, and convex block is that insulation is convex
Block.
Compared with prior art, the utility model has the beneficial effects that
1. being fitted in device by two groups of blocks, two groups of static contacts are separated, keep moving contact not quiet with two groups when falling
Contact, and moving contact, from when removing between two groups of static contacts, block loses the pressure of moving contact offer, by supporting bullet
Spring expansion, makes supporting block push two groups of blocks and moves up, open two groups of static contacts outward, to make moving contact and stationary contact
Head does not also contact, and prevents from rubbing and damaging for a long time between moving contact and static contact, avoids moving contact and static contact is indirectly
It touches bad；
2. moving contact pulls down block, block hauls two groups of static contacts and mutually draws close, and makes static contact and moving contact
Fitting, simultaneous retractable device shrink, haul moving contact and move down, be bonded static contact with moving contact even closer.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 connect right side structural representation with static contact for the utility model mounting plate；
Fig. 3 connect right side structural representation with pedestal for the utility model fixed block.
In figure: 1 pedestal, 101 mounting grooves, 102 pull rods, 103 reset springs, 104 limited blocks, 105 connecting rods, 2 mounting bases,
3 moving contacts, 4 handles, 5 link blocks, 6 telescopic devices, 7 fixture blocks, 8 card slots, 9 fixed blocks, 91 link slots, 92 limiting slots, 10 installations
Plate, 11 static contacts, 12 support springs, 13 shafts, 14 blocks, 15 supporting blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of device for switching contact of stable connection, packet
Pedestal 1 is included, 1 top left side outer wall of pedestal is provided with mounting base 2, and 2 top exterior walls of mounting base offer rotation slot, and in rotation slot
Chamber is movably set with moving contact 3, and 3 right end of moving contact extends to the outer right wall of mounting base 2 and connect with handle 4, and handle 4 is right
Side outer wall is provided with link block 5, and 5 right end of link block is connect with telescopic device 6, and fixture block 7 is inserted into card slot 8, and telescopic device 6 is received
Contracting, hauls moving contact 3 and moves down, and moving contact 3 hauls block 14 downwards, so that block 14 is hauled static contact 11 and draws close inwardly,
It is bonded static contact 11 with moving contact 3 closely, increases the using effect of switch, 6 left bottom outer wall of telescopic device is provided with card
Block 7,1 outer right wall of pedestal offer the card slot 8 to match with fixture block 7, and 1 top right side outer wall of pedestal is provided with mounting plate 10,
10 front and rear sides outer wall of mounting plate is provided with fixed block 9, and 9 bottom outer wall of fixed block is flexibly connected with 1 top exterior walls of pedestal,
10 top front and rear sides outer wall of mounting plate is provided with shaft 13, and 13 top of shaft is connect with static contact 11, two groups of static contacts 11
Side top exterior walls close to each other are hinged with block 14, and two groups of blocks 14 are bonded to each other far from one end of static contact 11,
3 bottom outer wall of moving contact is provided with two groups of locating pieces, and 14 top exterior walls of block offer the locating slot to match with locating piece,
10 top exterior walls of mounting plate are provided with support spring 12, and support spring 12 is located between two groups of shafts 13, and support spring 12 is pushed up
End is provided with supporting block 15, and 15 top of supporting block fits with two groups of 14 bottom ends of block, moves up handle 4, makes moving contact 3
It moves up, block 14 loses the pressure of the offer of moving contact 3, is expanded by support spring 12, supporting block 15 is made to push two groups of gears
Block 14 moves up, and opens two groups of static contacts 11 outward, so that moving contact 3 be made not contact with static contact 11, moving contact 3 from
Removed between two groups of static contacts 11, and because block 14 separates two groups of static contacts 11, when so that the moving contact 3 is fallen not with two groups of stationary contacts
First 11 contact, prevents from rubbing and damaging for a long time between moving contact 3 and static contact 11, avoid moving contact 3 and static contact 11 it
Between poor contact.
Wherein, the connecting portion of pedestal 1 and fixed block 9 offers mounting groove 101, and 101 right side inner wall of mounting groove is provided with
Pull rod 102, and 102 right end of pull rod extends to the outer right wall of pedestal 1,102 left end of pull rod is connect with connecting rod 105, connecting rod
105 left bottom outer walls are provided with reset spring 103, and 103 left end of reset spring is connect with 101 inner left wall of mounting groove, Gu
Determine 9 bottom outer wall of block and offer link slot 91, and 105 top of connecting rod is plugged on the inner cavity of link slot 91,105 left side of connecting rod
Top exterior walls are provided with limited block 104, and 91 left side top inner wall of link slot offers the limiting slot to match with limited block 104
92, outward pull pull rod 102, remove limited block 104 from limiting slot 92, move up fixed block 9, make mounting plate 10 with
The connection of pedestal 1 is unclamped, consequently facilitating static contact 11 is taken off；
Telescopic device 6 includes the fixed link connecting with link block 5, and bottom of fixed outer wall is provided with motion bar, and living
Lever top extends to the inner cavity of fixed link and connect with adjustable spring, and adjustable spring top and fixed link inner cavity top connect
Connect, adjustable spring shrink, shrink motion bar into fixed link inner cavity, thus make telescopic device 6 shrink, haul moving contact 3 to
Lower movement is bonded static contact 11 with moving contact 3 closely, increases the using effect of switch；
Two groups of static contacts 11 side top exterior walls close to each other open up it is fluted, and the vertical section of groove be in semicircle
Shape is bonded static contact 11 with moving contact 3 even closer, and the vertical section width of static contact 11 is gradually reduced from top to bottom, makes two
The amplitude that group static contact 11 is drawn close inwardly is bigger, so that two groups of static contacts 11 be made to be bonded with moving contact 3 closely；
10 top exterior walls of mounting plate are provided with two groups of baffles, and the side outer wall and two groups of stationary contacts that two groups of baffles are close to each other
The first 11 side bottom outer walls being located remotely from each other fit, and two groups of static contacts 11 are blocked, prevent static contact 11 from going to mounting plate 10
Top and the normal work for influencing device；
4 outer wall of handle is evenly arranged with convex block, and the vertical section semicircular in shape of convex block, and convex block is insulation convex block, is increased
The frictional force of handle 4 and hand is prevented using skidding when handle 4.
Working principle: moving down according to handle 4, moves down moving contact 3 and contacts with block 14, is inserted into locating piece
In locating slot, then moving contact 3 hauls block 14 and moves down, and so that block 14 is hauled static contact 11 and draws close inwardly, to make
Two groups of static contacts 11 fit with moving contact 3, and fixture block 7 is inserted into card slot 8, is shunk by adjustable spring, make motion bar to admittedly
Fixed pole is shunk in inner cavity, so that telescopic device 6 be made to shrink, is hauled moving contact 3 and is moved down, and static contact 11 and moving contact 3 are pasted
It closes closely, increases the using effect of switch, when the key switch is off, fixture block 7 is removed from card slot 8, handle 4 is moved up, makes
Moving contact 3 moves up, and block 14 loses the pressure of the offer of moving contact 3, is expanded by support spring 12, pushes supporting block 15
Two groups of blocks 14 move up, and open two groups of static contacts 11 outward, so that moving contact 3 be made not contact with static contact 11, move
Contact 3 is removed between two groups of static contacts 11, and because block 14 separates two groups of static contacts 11, makes 3 whereabouts Shi Buyu of moving contact
Two groups of static contacts 11 contact, and prevent from rubbing and damaging for a long time between moving contact 3 and static contact 11, avoid moving contact 3 with it is quiet
Poor contact between contact 11.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of device for switching contact of stable connection, including pedestal (1), it is characterised in that: outside pedestal (1) top left side
Wall is provided with mounting base (2), and mounting base (2) top exterior walls offer rotation slot, and rotation slot inner cavity be movably set with it is dynamic
Contact (3), and moving contact (3) right end extends to the outer right wall of mounting base (2) and connect with handle (4), the handle (4) is right
Side outer wall is provided with link block (5), and link block (5) right end is connect with telescopic device (6), on the left of the telescopic device (6)
Bottom outer wall is provided with fixture block (7), and pedestal (1) outer right wall offers the card slot (8) to match with fixture block (7), described
Pedestal (1) top right side outer wall is provided with mounting plate (10), and mounting plate (10) front and rear sides outer wall is provided with fixed block
(9), and fixed block (9) bottom outer wall is flexibly connected with pedestal (1) top exterior walls, at the top of the mounting plate (10) outside front and rear sides
Wall is provided with shaft (13), and shaft (13) top is connect with static contact (11), and static contact described in two groups (11) mutually leans on
Close side top exterior walls are hinged with block (14), and two groups of blocks (14) are bonded to each other far from the one end of static contact (11),
Moving contact (3) bottom outer wall is provided with two groups of locating pieces, and block (14) top exterior walls offer and match with locating piece
Locating slot, mounting plate (10) top exterior walls are provided with support spring (12), and support spring (12) is located at two groups of shafts
(13) between, support spring (12) top is provided with supporting block (15), and supporting block (15) top and two groups of blocks (14)
Bottom end fits.
2. a kind of device for switching contact of stable connection according to claim 1, it is characterised in that: the pedestal (1) with
The connecting portion of fixed block (9) offers mounting groove (101), and inner wall is provided with pull rod (102) on the right side of the mounting groove (101),
And pull rod (102) right end extends to the outer right wall of pedestal (1), pull rod (102) left end is connect with connecting rod (105), institute
It states connecting rod (105) left bottom outer wall to be provided with reset spring (103), and reset spring (103) left end and mounting groove (101)
Inner left wall connection, fixed block (9) bottom outer wall offers link slot (91), and connecting rod (105) top is plugged on company
The inner cavity of access slot (91), connecting rod (105) the left side top outer wall are provided with limited block (104), and the link slot (91) is left
Lateral roof inner wall offers the limiting slot (92) to match with limited block (104).
3. a kind of device for switching contact of stable connection according to claim 1, it is characterised in that: the telescopic device
It (6) include the fixed link being connect with link block (5), and bottom of fixed outer wall is provided with motion bar, and motion bar top extends
To fixed link inner cavity and connect with adjustable spring, and adjustable spring top is connect with fixed link inner cavity top.
4. a kind of device for switching contact of stable connection according to claim 1, it is characterised in that: static contact described in two groups
(11) side top exterior walls close to each other open up fluted, and the vertical section semicircular in shape of groove, the static contact (11)
Vertical section width be gradually reduced from top to bottom.
5. a kind of device for switching contact of stable connection according to claim 1, it is characterised in that: the mounting plate (10)
Top exterior walls are provided with two groups of baffles, and two groups of baffles side outer wall and two groups of static contacts (11) close to each other is located remotely from each other
Side bottom outer wall fits.
6. a kind of device for switching contact of stable connection according to claim 1, it is characterised in that: the handle (4) is outside
Wall is evenly arranged with convex block, and the vertical section semicircular in shape of convex block, and convex block is insulation convex block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821630438.8U CN208938829U (en) | 2018-10-09 | 2018-10-09 | A kind of device for switching contact of stable connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821630438.8U CN208938829U (en) | 2018-10-09 | 2018-10-09 | A kind of device for switching contact of stable connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208938829U true CN208938829U (en) | 2019-06-04 |
Family
ID=66723724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821630438.8U Expired - Fee Related CN208938829U (en) | 2018-10-09 | 2018-10-09 | A kind of device for switching contact of stable connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208938829U (en) |
-
2018
- 2018-10-09 CN CN201821630438.8U patent/CN208938829U/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: 20190604 Termination date: 20211009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |