CN209297921U - A kind of contact elements convenient for welding - Google Patents
A kind of contact elements convenient for welding Download PDFInfo
- Publication number
- CN209297921U CN209297921U CN201920179572.9U CN201920179572U CN209297921U CN 209297921 U CN209297921 U CN 209297921U CN 201920179572 U CN201920179572 U CN 201920179572U CN 209297921 U CN209297921 U CN 209297921U
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- Prior art keywords
- contact
- touching bridge
- bridge
- welding
- contact blade
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- 238000003466 welding Methods 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000002028 premature Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 206010044565 Tremor Diseases 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical fields of electric elements, disclose a kind of contact elements convenient for welding, including contact blade and touching bridge, the contact blade is cooperatively connected by fit structure in the touching bridge, the fit structure includes protrusion and recess, described to be projected and formed on the contact blade, the recess is formed on the touching bridge, and the protrusion cooperates with the recess.The utility model has the following advantages that and effect: this programme utilizes new mechanical structure, the recess cooperation formed in protrusion and touching bridge on contact blade realizes contact blade and touches being stably connected with for bridge, contact blade is increased with groove by protrusion simultaneously and touches the contact area of bridge, solve the problems, such as contact surface poor contact, uneven heating when welding, keep the welding of contact elements stronger, the service life for extending contact elements, thus avoids electric appliance premature failure or safety accident occurs.
Description
Technical field
The utility model relates to the technical fields of electric elements, more particularly, to a kind of contact elements convenient for welding.
Background technique
Contact elements can be widely applied to relay, contactor, on-load switch, Low Voltage Circuit Breaker and household electrical appliance,
The device for switching such as car electrics and low-pressure electronic equipment product etc.；As device for switching is to high voltage, high current and miniaturization, long-life
Direction is developed, also higher and higher to the requirement on electric performance of contact material.
In the prior art, the contact elements of welding are usually by electric resistance welding or Welding by blade contact in touching bridge
The welding surface of blade contact of part, at present application welding is plane, cannot be between two planes completely when practice confirms welding operation
Contact (i.e. contact welding surface and touching bridge welding junction), this results in the problem of poor contact, uneven heating occur when weld heating,
The electrical property of contact elements may be influenced, so as to cause electric appliance premature failure or safety accident occurs, therefore still have much room for improvement.
Utility model content
In view of the deficienciess of the prior art, can make the utility model lies in that provide a kind of contact elements convenient for welding
Blade contact, which is stablized, to be welded in touching bridge, to keep the welding of contact stronger, is avoided the electrical property for influencing contact elements, is prolonged
The service life of long contact elements.
To achieve the above object, the utility model provides following technical solution:
A kind of contact elements convenient for welding, including contact blade and touching bridge, the contact blade are cooperated by fit structure and are connected
It is connected to the touching bridge, the fit structure includes protrusion and recess, described to be projected and formed on the contact blade, the concave shape
On touching bridge described in Cheng Yu, the protrusion cooperates with the recess.
By using above-mentioned technical proposal, on contact blade protrusion with touching bridge on formed recess cooperation realize contact blade with
Touching bridge is stably connected with, while being increased contact blade with groove by protrusion and being touched the contact area of bridge, and contact surface when welding is solved
The problem of poor contact, uneven heating, keeps the welding of contact elements stronger, extends the service life of contact elements, thus keeps away
Exempt from electric appliance premature failure or safety accident occurs.
The utility model is further arranged to: the contact blade is positioned on the touching bridge by fixed structure.
By using above-mentioned technical proposal, fixed structure realizes that contact blade stablizing on touching bridge is fixed, to avoid welding
Because the fixed shakiness of contact blade causes uneven welding, contact blade and touching bridge welding to connect unstable problem in termination process.
The utility model is further arranged to: the fixed structure includes positioning plate and shank, and the positioning plate is fixed
In on the contact blade, the mounting groove for the positioning plate grafting is formed on the touching bridge, the shank is movably connected on
In the touching bridge, and the shank is plugged in the side wall of the positioning plate and is controlled by linkage mechanism.
By using above-mentioned technical proposal, it is fixed on the mounting groove that the positioning plate on contact blade is plugged on touching bridge, is passed through
The grafting of positioning plate can correspond to the grafting of control shank and positioning plate when linkage mechanism, so that the fixation of contact blade be made to be more convenient for
It realizes, is conducive to keep the welding of contact blade and touching bridge stronger.
The utility model is further arranged to: the linkage mechanism includes pressure ram and extension rod, the pressure ram activity
It is connected in the mounting groove, the extension rod is slidedly arranged in the touching bridge and connects by the way that connecting rod and the shank are fixed
It connects；The pressure ram drives the extension rod to slide by driving structure.
By using above-mentioned technical proposal, extension rod is fixedly connected by connecting rod with shank, makes the sliding of extension rod
The sliding of shank can be driven；When positioning plate is pressed down against stripper plate, can then be made by the sliding of driving mechanisms control extension rod
Shank is slidably plugged on the side wall of positioning plate, is stably fixed on contact blade on touching bridge, auxiliary realizes contact blade and touching
The secured welding of bridge.
The utility model is further arranged to: the driving structure includes inclined surface and scarf, shape on the extension rod
At there is an inserting groove, end face of the inclined surface from the inserting groove far from the connecting rod to the direction close to the connecting rod to
Under be formed slopely, the scarf is formed on the pressure ram and can cooperate with the inclined surface.
By using above-mentioned technical proposal, the inserting groove for pressure ram grafting is formed on extension rod, by the inclination of inserting groove
The cooperation of the scarf of face and pressure ram makes pressure ram can control extension rod to the Slideslip far from connecting rod, to make grafting
Bar is moved towards the side close to positioning plate, finally realizes shank grafting corresponding with positioning plate and fixation, and contact blade is steady
Surely it is fixed on touching bridge.
The utility model is further arranged to: is formed in the touching bridge for the extension rod, the connecting rod and institute
State the sliding sliding slot set of shank.
By using above-mentioned technical proposal, sliding slot is extension rod, the sliding of connecting rod and shank provides space, makes entirety
More reasonable structure.
The utility model is further arranged to: fixed block is fixed on the pressure ram, the fixed block is placed in described
Mounting groove, the fixed block and the mounting groove corresponding position are connected with elastic component.
By using above-mentioned technical proposal, mounting groove provides activity space for the fixed block on pressure ram, while being also crowded
The sliding of compression bar along the vertical direction provides space；Fixed block is connect with mounting groove by elastic component, to make fixed block that can keep
In the position for being connected to mounting groove top, space is provided for moving down for fixed block.
The utility model is further arranged to: the elastic component is extension spring.
By using above-mentioned technical proposal, fixed block can be connected to the top of accommodating cavity under the effect of the elastic force of extension spring
Wall, making pressure ram in the vertical direction has certain activity space, squeeze positioning plate can to pressure ram downwards
Realize the installation in mounting groove.
In conclusion the utility model has the following beneficial effects:
1. the recess cooperation formed in the protrusion and touching bridge on contact blade realizes contact blade and touches being stably connected with for bridge, simultaneously
Increase contact blade with groove by protrusion and touch the contact area of bridge, solves contact surface poor contact when welding, uneven heating
Problem keeps the welding of contact elements stronger, extends the service life of contact elements, thus avoids electric appliance premature failure or appearance
Safety accident；
2. extension rod is fixedly connected by connecting rod with shank, make the sliding of extension rod that can drive the sliding of shank；
When positioning plate is pressed down against stripper plate, then shank can be made slidably to be plugged in by the sliding of driving mechanisms control extension rod
On the side wall of positioning plate, it is stably fixed on contact blade on touching bridge, auxiliary realizes contact blade and touches the secured welding of bridge；
3. the accommodating cavity formed in touching bridge provides activity space for the fixed block on pressure ram, while being also pressure ram along perpendicular
Histogram to sliding provide space；Fixed block is connect with accommodating cavity by elastic component, is connected to so that fixed block be made to be positively retained at
The position on accommodating cavity top provides space for moving down for fixed block.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of the present embodiment；
Fig. 2 is the protrusion and the schematic cross-sectional view of recess fit structure of the present embodiment；
Fig. 3 is the positioning plate of the present embodiment and the schematic cross-sectional view that mounting groove is cooperatively connected；
Fig. 4 is the enlarged diagram of part A in Fig. 3.
Appended drawing reference: 1, contact blade；2, bridge is touched；21, convex block；22, mounting groove；23, spliced eye；24, sliding slot；3, cooperation knot
Structure；31, raised；32, it is recessed；4, fixed structure；41, positioning plate；411, fixing groove；42, shank；5, linkage mechanism；51, it squeezes
Compression bar；52, extension rod；53, fixed block；54, extension spring；55, connecting rod；6, driving structure；61, inclined surface；62, it chamfers
Face；7, inserting groove.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of contact elements convenient for welding, as shown in Figure 1, including contact blade 1 and touching bridge 2, touching bridge 2 is rectangle, and
The rear and front end for touching the left and right sides wall of bridge 2 is formed with convex block 21, and two contact blades 1 are respectively cooperating with connection by fit structure 3
It is welded on touching bridge 2 in the rear and front end on touching 2 top of bridge, then by welder.
As shown in Figure 1, 2, fit structure 3 includes that protrusion 31 and recess 32, several raised 31 are formed in the bottom of contact blade 1
Both ends, recess 32 be correspondingly formed in touching bridge 2 top, protrusion 31 with recess 32 cooperation；It is connect by protrusion 31 and recess 32
Touching can increase contact blade 1 and touch the contact area of bridge 2, to avoid because of contact blade 1 and the contact surface of touching bridge 2 being that plane causes
Welding surface poor contact the problem of, make contact blade 1 and touch bridge 2 welding it is stronger.
As shown in Figure 1,3, contact blade 1 is positioned on touching bridge 2 by fixed structure 4, and contact blade 1 is made to be stably fixed on touching bridge
On 2, avoid in welding process because to cause uneven welding, contact blade 1 and touching bridge 2 to weld unstable for the fixed shakiness of contact blade 1
Problem.
As shown in figure 3, fixed structure 4 includes positioning plate 41 and shank 42, positioning plate 41 is fixed on 1 bottom of contact blade
Both ends touch and are formed with mounting groove 22 on bridge 2, and positioning plate 41 is plugged in mounting groove 22, realize contact blade 1 and touch the preliminary of bridge 2
Connection；Shank 42 is movably connected in the horizontal direction in touching bridge 2, and the side wall of positioning plate 41 is formed with fixing groove 411, shank
42 is pluggable in fixing groove 411, thus that contact blade 1 is fixed.
As shown in figure 3, the horizontal sliding of shank 42 is controlled by linkage mechanism 5.Linkage mechanism 5 includes pressure ram 51, peace
Spliced eye 23 is formed on the bottom of tankage 22, and pressure ram 51 is movably connected on spliced eye 23, the left and right of pressure ram 51 along the vertical direction
Fixed block 53 is fixed on two sidewalls, fixed block 53 is placed in mounting groove 22 and can live along the vertical direction in mounting groove 22
Dynamic, the bottom of fixed block 53 and the bottom wall corresponding position of mounting groove 22 are connected with elastic component.
As shown in figure 3, elastic component is extension spring 54, pressure ram 51 is under the elastic force effect of extension spring 54 in vertical side
There is certain activity space upwards, thus make positioning plate 41 that can squeeze realization in mounting groove 22 to pressure ram 51 downwards
Installation.
As shown in figure 3, linkage mechanism 5 further includes extension rod 52, extension rod 52 is fixed by connecting rod 55 and shank 42
Connection, move synchronously extension rod 52 and shank 42 can, touches and is formed in bridge 2 for extension rod 52, connecting rod 55 and grafting
The sliding sliding slot 24 set of bar 42, keeps overall structure more reasonable；Extension rod 52 is slidedly arranged in touching bridge 2 in the horizontal direction and is located at mounting groove
22 lower section.
As shown in Figure 3,4, pressure ram 51 drives the sliding of extension rod 52 by driving structure 6.Driving structure 6 includes inclination
Face 61 and scarf 62, the top and 22 corresponding position of mounting groove of extension rod 52 are formed with inserting groove 7, and inclined surface 61 is by inserting groove 7
End face far from connecting rod 55 tilts down to be formed to the direction close to connecting rod 55, and scarf 62 is formed in the bottom of pressure ram 51
It wall and can cooperate with inclined surface 61, thus when pressure ram 51 moves down, extension rod 52 can be driven to one far from connecting rod 55
Side slip.
The concrete operations process of the present embodiment is as follows:
When contact blade 1 is installed, the correspondence of positioning plate 41 is plugged in mounting groove 22 first, positioning plate 41 moves down same
When downward extruding force is also generated to pressure ram 51, to make pressure ram 51 move down, at this time in inclined surface 61 and scarf
Under 62 cooperation, extension rod 52 is directed away from a Slideslip of connecting rod 55, and shank 42 is as extension rod 52 is towards close to fixed
One Slideslip of position plate 41, when extension rod 52 is abutted to side wall of the sliding slot 24 far from connecting rod 55, shank 42 is plugged in
Fixed in positioning plate 41, convex block 21 is mutually fitted closely with recess 32 at this time, and thus contact blade 1 is stably fixed on touching bridge 2,
And increases contact blade 1 and touch the contact surface of bridge 2, be achieved in contact blade 1 and touch the stable welding of bridge 2.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of contact elements convenient for welding, including contact blade (1) and touching bridge (2), it is characterised in that: the contact blade (1)
It is cooperatively connected by fit structure (3) in the touching bridge (2), the fit structure (3) includes raised (31) and recess (32), institute
It states raised (31) to be formed on the contact blade (1), the recess (32) is formed on the touching bridge (2), the protrusion (31)
Cooperate with the recess (32).
2. a kind of contact elements convenient for welding according to claim 1, it is characterised in that: the contact blade (1) passes through
Fixed structure (4) is positioned on the touching bridge (2).
3. a kind of contact elements convenient for welding according to claim 2, it is characterised in that: fixed structure (4) packet
Positioning plate (41) and shank (42) are included, the positioning plate (41) is fixed on the contact blade (1), shape on the touching bridge (2)
At the mounting groove (22) having for the positioning plate (41) grafting, the shank (42) is movably connected in the touching bridge (2), and
The shank (42) is plugged in the side wall of the positioning plate (41) and is controlled by linkage mechanism (5).
4. a kind of contact elements convenient for welding according to claim 3, it is characterised in that: linkage mechanism (5) packet
Pressure ram (51) and extension rod (52) are included, the pressure ram (51) is movably connected in the mounting groove (22), the extension rod
(52) it is slidedly arranged in the touching bridge (2) and is fixedly connected by connecting rod (55) with the shank (42)；The pressure ram
(51) extension rod (52) sliding is driven by driving structure (6).
5. a kind of contact elements convenient for welding according to claim 4, it is characterised in that: driving structure (6) packet
Inclined surface (61) and scarf (62) are included, is formed with inserting groove (7) on the extension rod (52), the inclined surface (61) is by described
End face of the inserting groove (7) far from the connecting rod (55) tilts down to be formed to the direction close to the connecting rod (55), described
Scarf (62) is formed on the pressure ram (51) and can cooperate with the inclined surface (61).
6. a kind of contact elements convenient for welding according to claim 4, it is characterised in that: formed in the touching bridge (2)
Have for the sliding sliding slot (24) set of the extension rod (52), the connecting rod (55) and the shank (42).
7. a kind of contact elements convenient for welding according to claim 4, it is characterised in that: solid on the pressure ram (51)
Surely have fixed block (53), the fixed block (53) is placed in the mounting groove (22), the fixed block (53) and the mounting groove
(22) corresponding position is connected with elastic component.
8. a kind of contact elements convenient for welding according to claim 7, it is characterised in that: the elastic component is to stretch bullet
Spring (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920179572.9U CN209297921U (en) | 2019-01-31 | 2019-01-31 | A kind of contact elements convenient for welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920179572.9U CN209297921U (en) | 2019-01-31 | 2019-01-31 | A kind of contact elements convenient for welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209297921U true CN209297921U (en) | 2019-08-23 |
Family
ID=67642834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920179572.9U Expired - Fee Related CN209297921U (en) | 2019-01-31 | 2019-01-31 | A kind of contact elements convenient for welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209297921U (en) |
-
2019
- 2019-01-31 CN CN201920179572.9U patent/CN209297921U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 |