CN208938867U - A kind of close device for switching contact of fitting - Google Patents
A kind of close device for switching contact of fitting Download PDFInfo
- Publication number
- CN208938867U CN208938867U CN201821630427.XU CN201821630427U CN208938867U CN 208938867 U CN208938867 U CN 208938867U CN 201821630427 U CN201821630427 U CN 201821630427U CN 208938867 U CN208938867 U CN 208938867U
- Authority
- CN
- China
- Prior art keywords
- side wall
- contact
- pedestal
- static contact
- fixture block
- 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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- Elimination Of Static Electricity (AREA)
Abstract
The utility model discloses a kind of close device for switching contacts of fitting of electrical contact technical field, including pedestal, support frame is provided on front side of pedestal side wall, moving contact is hinged at the top of support frame, centre on rear side of pedestal side wall is provided with the first static contact, the front and rear sides of pedestal side wall are provided with fixture, and the second static contact is provided at the top of casing, the left side wall of second static contact is provided with reset spring, and the left end of reset spring is provided with movable plate, reset spring pushes the second static contact to the right, the second static contact and the first static contact is set tightly to clamp moving contact, movable plate is driven to move left and right by threaded rod, change the spacing between movable plate and the second static contact, to change the second static contact and the first static contact to the clamping force of moving contact, further function as the work for avoiding moving contact from surprisingly falling off With, make it is good between the first static contact and moving contact contact, guarantee have good conductive effect.
Description
Technical field
The utility model relates to electrical contact technical field, specially a kind of close device for switching contact of fitting.
Background technique
Device for switching contact is often used in life, if knife switch is often made in the Physical Experiment Course in middle school
It uses, but after knife switch long-time use, the gap between the static contact of two groups of fixed settings is easy to expand, and leads to dynamic touching
The case where being easy to appear bad connection between head and static contact, influences conductive effect, and therefore, it is necessary to a kind of fittings closely to switch
Electrical contact.
Utility model content
The purpose of this utility model is to provide a kind of close device for switching contacts of fitting, 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 close device for switching contact of fitting,
Including pedestal, it is provided with support frame on front side of pedestal side wall, moving contact, pedestal side wall rear side are hinged at the top of support frame
Centre be provided with the first static contact, the front and rear sides of pedestal side wall are provided with fixture, and are provided with and lead on the left of fixture
The left end of line, front side conducting wire is connect with support frame, and the left end of rear side conducting wire is connect with the first static contact, and pedestal side wall opens up
There is holding tank, and holding tank is located at the left side of the first static contact, and is connected with bull stick between the front and rear sides wall of holding tank inner cavity,
And casing being socketed on the outside of bull stick, and the second static contact is provided at the top of casing, the left side wall of the second static contact is provided with
Reset spring, and the left side of reset spring tilts upwards, and the left end of reset spring is provided with movable plate, and the bottom side of movable plate
Wall is flexibly connected with the side wall of pedestal.
Preferably, the rear side on the left of pedestal side wall is provided with baffle, and baffle is located at the left side of movable plate, opens up on baffle
There is threaded hole, and the inner cavity of threaded hole is bolted with threaded rod, and the right side wall of threaded rod is flexibly connected with the left side wall of movable plate,
Dovetails are provided at the top of movable plate, and the side wall of pedestal offers dovetail groove, and dovetails activity is plugged on dovetail groove
Inner cavity.
Preferably, fixture includes connecting plate, and the side wall of the downside wall of connecting plate and pedestal connects, connecting plate right side wall
Bottom be provided with lower fixture block, the downside wall of lower fixture block and the side wall of pedestal connect, and the left side wall of lower fixture block and conducting wire
Right end connects, and is provided with transverse slat at the top of connecting plate right side wall, and fixing bolt is plugged on transverse slat, and the bottom side of fixing bolt
Wall is movably set with upper fixture block.
It preferably, is semicircle, the right side of the second stationary contact at the top of the first stationary contact and the second stationary contact vertical section
Wall is provided with convex block, and the vertical section of convex block is triangular in shape, the left side wall of the first stationary contact offer match with convex block it is convex
Block slot offers the through hole to match with convex block on moving contact.
Preferably, the downside wall of upper fixture block is evenly arranged with anti-skidding plate, and anti-skidding tooth plate is successively linear from front to back
The adjacent surface of arrangement, anti-skidding tooth plate and lower fixture block cross section is arc-shaped, and the side wall of lower fixture block is offered and inserted with anti-skidding
The plugboard trough that plate matches.
Preferably, the left side wall of upper fixture block is provided with guide pad, and the centre of connecting plate right side wall offers guide groove, and leads
The inner cavity of guide groove is plugged on to the left end activity of block.
Compared with prior art, the utility model has the beneficial effects that reset spring pushes the second static contact to the right,
So that the second static contact and the first static contact is tightly clamped moving contact, drives movable plate to move left and right by threaded rod, change activity
Spacing between plate and the second static contact, thus change the second static contact and the first static contact to the clamping force of moving contact, into
One step plays the role of that moving contact is avoided surprisingly to fall off, make it is good between the first static contact and moving contact contact, guarantee have
Good conductive effect.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model the structure left view；
Fig. 3 is the utility model clamp structure schematic diagram.
In figure: 1 pedestal, 2 support frames, 3 moving contacts, 4 first static contacts, 5 fixtures, 51 connecting plates, 52 lower fixture blocks, 53 cross
It is plate, 54 fixing bolts, 55 upper fixture blocks, 56 anti-skidding plates, 57 plugboard troughs, 6 conducting wires, 7 holding tanks, 8 bull sticks, 9 casings, 10 second quiet
Contact, 11 reset springs, 12 movable plates, 13 baffles, 14 threaded rods, 15 convex blocks, 16 through holes.
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 close device for switching contact of fitting, packet
Pedestal 1 is included, is provided with support frame 2 on front side of 1 side wall of pedestal, the top of support frame 2 is hinged with moving contact 3, and moving contact 3 can be with
It is rotated for 180 degree on support frame 2, the centre on rear side of 1 side wall of pedestal is provided with the first static contact 4,1 side wall of pedestal
Front and rear sides be provided with fixture 5, and the left side of fixture 5 is provided with conducting wire 6, and the left end of front side conducting wire 6 and support frame 2 connect
It connects, the left end of rear side conducting wire 6 is connect with the first static contact 4, and 1 side wall of pedestal offers holding tank 7, and holding tank 7 is located at
The left side of first static contact 4, and bull stick 8 is connected between the front and rear sides wall of 7 inner cavity of holding tank, and the outside socket of bull stick 8
There is casing 9, and the top of casing 9 is provided with the second static contact 10, allows the casing 9 of 10 bottom of the second static contact in bull stick 8
Upper rotation, facilitate the first static contact 4 and the fitting of the second static contact 10 with separate, the left side wall of the second static contact 10 is provided with
Reset spring 11, and the left side of reset spring 11 tilts upwards, and the left end of reset spring 11 is provided with movable plate 12, and activity
The downside wall of plate 12 is flexibly connected with the side wall of pedestal 1, and reset spring 11 pushes the second static contact 10 to the right, makes second
The right side wall of static contact 10 is tightly bonded with the left side wall of the first static contact 4, ensure that second static contact 10 of the insertion of moving contact 3 with
After the adjacent surface of first static contact 4, the left and right sides of the second static contact 10 and the adjacent surface and moving contact 3 of the first static contact 4 is tight
It is close to close, plays good contact, conductive effect.
Wherein, the rear side on the left of 1 side wall of pedestal is provided with baffle 13, and baffle 13 is located at the left side of movable plate 12, baffle
Threaded hole is offered on 13, and the inner cavity of threaded hole is bolted with threaded rod 14, and the right side wall of threaded rod 14 and movable plate 12
Left side wall is flexibly connected, and the top of movable plate 12 is provided with dovetails, and the side wall of pedestal 1 offers dovetail groove, and dovetail
Block activity is plugged on the inner cavity of dovetail groove, rotates threaded rod 14 forward or backwards, passes through the matching of threaded rod 14 and threaded hole, band
Dynamic movable plate 12 moves left and right, and changes the spacing between movable plate 12 and the second static contact 10, so that changing reset spring 11 will
The thrust of second static contact 10 to the right, thus change the second static contact 10 and the first static contact 4 to the clamping force of moving contact 3,
Moving contact 3 is avoided surprisingly to fall off；
Fixture 5 includes connecting plate 51, and the downside wall of connecting plate 51 is connect with the side wall of pedestal 1,51 right side of connecting plate
The bottom of wall is provided with lower fixture block 52, and the downside wall of lower fixture block 52 is connect with the side wall of pedestal 1, and the left side wall of lower fixture block 52
It is connect with the right end of conducting wire 6, transverse slat 53 is provided at the top of 51 right side wall of connecting plate, and be plugged with fixing bolt on transverse slat 53
54, and the downside wall of fixing bolt 54 is movably set with upper fixture block 55, by tightening fixing bolt 54, pushes fixing bolt 54
Upper fixture block 55 moves down, and upper fixture block 55 is made to clamp the external wire being placed in lower fixture block 52, external wire together with lower fixture block 52
It is connect with external power supply or electric appliance；
It is semicircle at the top of 10 vertical section of first stationary contact 4 and the second stationary contact, facilitates the insertion of moving contact 3 first
Between stationary contact 4 and the second stationary contact 10, the right side wall of the second stationary contact 10 is provided with convex block 15, and the vertical section of convex block 15 is in
Triangle, the left side wall of the first stationary contact 4 offer the convex block slot to match with convex block 15, offer on moving contact 3 and convex block
15 through holes 16 to match, the inner cavity in hole 16 is inserted through by convex block 16, is played fixed function to moving contact 3, is avoided moving
Contact 3 is unexpected to be separated with the first stationary contact 4, the second stationary contact 10；
The downside wall of upper fixture block 55 is evenly arranged with anti-skidding plate 56, and anti-skidding tooth plate 56 is successively linearly arranged from front to back
Column, the adjacent surface of anti-skidding tooth plate 56 and 52 cross section of lower fixture block be it is arc-shaped, facilitate the placement and clamping of external wire, and
The side wall of lower fixture block 52 offers the plugboard trough 57 to match with anti-skidding plate 56, and plugboard trough 57 can be inserted in anti-skidding plate 56
Inner cavity, can preferably clamp external cable；
The left side wall of upper fixture block 55 is provided with guide pad, and the centre of 51 right side wall of connecting plate offers guide groove, and is oriented to
The left end activity of block is plugged on the inner cavity of guide groove, by the matching of guide pad and guide groove, plays guiding to upper fixture block 55 and makees
With, move up and down upper fixture block 55 can only, without with fixing bolt 54 rotate.
Working principle: reset spring 11 pushes the second static contact 10 to the right, make the right side wall of the second static contact 10 with
The left side wall of first static contact 4 is tightly bonded, and it is adjacent with the first static contact 4 to ensure that moving contact 3 is inserted into the second static contact 10
Behind face, the second static contact 10 is tightly bonded with the adjacent surface of the first static contact 4 with the left and right sides of moving contact 3, is played good
Contact, conductive effect, rotate threaded rod 14 forward or backwards, drive movable plate 12 by the matching of threaded rod 14 and threaded hole
It moves left and right, changes the spacing between movable plate 12 and the second static contact 10, to change reset spring 11 for the second static contact
10 thrust to the right avoids moving contact 3 to change the second static contact 10 and the first static contact 4 to the clamping force of moving contact 3
It surprisingly falls off, the inner cavity in hole 16 is inserted through by convex block 16, fixed function is further functioned as to moving contact 3, moving contact 3 is risen
To fixed function, moving contact 3 is avoided surprisingly to separate with the first stationary contact 4, the second stationary contact 10.
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 close device for switching contact of fitting, including pedestal (1), it is characterised in that: before pedestal (1) side wall
Side is provided with support frame (2), is hinged at the top of support frame as described above (2) moving contact (3), on rear side of pedestal (1) side wall
Centre is provided with the first static contact (4), and the front and rear sides of pedestal (1) side wall are provided with fixture (5), and fixture (5)
Left side be provided with conducting wire (6), the left end of the front side conducting wire (6) is connect with support frame (2), a left side for the rear side conducting wire (6)
End is connect with the first static contact (4), and pedestal (1) side wall offers holding tank (7), and holding tank (7) is located at first
The left side of static contact (4), and be connected with bull stick (8) between the front and rear sides wall of holding tank (7) inner cavity, and the outside of bull stick (8)
It is socketed with casing (9), and is provided with the second static contact (10) at the top of casing (9), the left side wall of second static contact (10)
It is provided with reset spring (11), and the left side of reset spring (11) tilts upwards, and the left end of reset spring (11) is provided with work
Movable plate (12), and the downside wall of movable plate (12) is flexibly connected with the side wall of pedestal (1).
2. a kind of close device for switching contact of fitting according to claim 1, it is characterised in that: pedestal (1) top
Rear side on the left of side wall is provided with baffle (13), and the baffle (13) is located at the left side of movable plate (12), on the baffle (13)
Threaded hole is offered, and the inner cavity of threaded hole is bolted with threaded rod (14), and the right side wall of threaded rod (14) and movable plate (12)
Left side wall be flexibly connected, be provided with dovetails at the top of the movable plate (12), and the side wall of pedestal (1) offers dovetail
Slot, and dovetails activity is plugged on the inner cavity of dovetail groove.
3. a kind of close device for switching contact of fitting according to claim 1, it is characterised in that: fixture (5) packet
It includes connecting plate (51), and the downside wall of connecting plate (51) is connect with the side wall of pedestal (1), connecting plate (51) right side wall
Bottom is provided with lower fixture block (52), and the downside wall of the lower fixture block (52) is connect with the side wall of pedestal (1), and lower fixture block (52)
Left side wall connect with the right end of conducting wire (6), be provided with transverse slat (53) at the top of connecting plate (51) right side wall, and transverse slat
(53) it is plugged on fixing bolt (54), and the downside wall of fixing bolt (54) is movably set with upper fixture block (55).
4. a kind of close device for switching contact of fitting according to claim 1, it is characterised in that: first stationary contact
It (4) and at the top of the second stationary contact (10) vertical section is semicircle, the right side wall of second stationary contact (10) is provided with convex
Block (15), and the vertical section of convex block (15) is triangular in shape, the left side wall of first stationary contact (4) offers and convex block (15) phase
Matched convex block slot offers the through hole (16) to match with convex block (15) on the moving contact (3).
5. a kind of close device for switching contact of fitting according to claim 3, it is characterised in that: the upper fixture block (55)
Downside wall be evenly arranged with anti-skidding plate (56), and anti-skidding plate (56) successively linear arrangement from front to back is described anti-skidding
Plate (56) and the adjacent surface of lower fixture block (52) cross section be it is arc-shaped, and the side wall of lower fixture block (52) offer with it is anti-skidding
The plugboard trough (57) that plate (56) matches.
6. a kind of close device for switching contact of fitting according to claim 3, it is characterised in that: the upper fixture block (55)
Left side wall be provided with guide pad, the centre of connecting plate (51) right side wall offers guide groove, and the left end of guide pad is living
The dynamic inner cavity for being plugged on guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821630427.XU CN208938867U (en) | 2018-10-09 | 2018-10-09 | A kind of close device for switching contact of fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821630427.XU CN208938867U (en) | 2018-10-09 | 2018-10-09 | A kind of close device for switching contact of fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208938867U true CN208938867U (en) | 2019-06-04 |
Family
ID=66723721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821630427.XU Expired - Fee Related CN208938867U (en) | 2018-10-09 | 2018-10-09 | A kind of close device for switching contact of fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208938867U (en) |
-
2018
- 2018-10-09 CN CN201821630427.XU patent/CN208938867U/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 |