CN207184359U - A kind of motor star delta starter of anti-electric spark injection - Google Patents
A kind of motor star delta starter of anti-electric spark injection Download PDFInfo
- Publication number
- CN207184359U CN207184359U CN201721213562.XU CN201721213562U CN207184359U CN 207184359 U CN207184359 U CN 207184359U CN 201721213562 U CN201721213562 U CN 201721213562U CN 207184359 U CN207184359 U CN 207184359U
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- contact terminal
- mounting groove
- electric spark
- screw
- delta starter
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Abstract
The utility model discloses a kind of motor star delta starter of anti-electric spark injection, including shell, the side of the shell is provided with multiple mounting grooves, dynamic contact terminal and quiet contact terminal are provided with the mounting groove, the quiet contact terminal is fixedly connected with the inner bottom part of mounting groove, the dynamic contact terminal is connected with wire by lock-screw, the one end of the wire away from lock-screw is run through the notch of mounting groove and stretched out, sliding cavity is provided with the shell, sliding block is slidably connected in the sliding cavity, the inner top of the sliding cavity is provided with sliding mouth corresponding with lock-screw.The utility model is simple in construction, it is easy to use, contact terminal contact with quiet contact terminal can conveniently be moved, pass through the stop of protective cover and baffle plate, anti- stop contact terminal contacted with quiet contact terminal caused by electric spark injection, destroyed so as to avoid the spare and accessory parts on star delta starter from being melted.
Description
Technical field
It the utility model is related to star delta starter technical field, more particularly to a kind of motor star of anti-electric spark injection
Delta starter.
Background technology
Star delta starter is also two-direction switch, and its effect is connection, deenergization or load, can rotate forward motor
Or reversion, the electrical equipment of rotating is mainly done to single-phase, three phase electric machine, but cannot function as Automation Elements.
It is caused when the dynamic contact terminal of star delta starter often produces electric spark with the moment that quiet contact terminal contacts
Electric spark makes electric spark high speed spray on star delta starter because temperature drastically changes, and makes zero on star delta starter
Accessory is melted and destroyed.
In order to solve the above problems, we have proposed a kind of motor star delta starter of anti-electric spark injection.
Utility model content
The purpose of this utility model is to contact generation electricity to solve to move contact terminal in the prior art with quiet contact terminal
Spark is sprayed on star delta starter at a high speed so that the problem of spare and accessory parts on star delta starter are melted and destroyed, and
A kind of motor star delta starter of the anti-electric spark injection proposed.
To achieve these goals, the utility model employs following technical scheme：
A kind of motor star delta starter of anti-electric spark injection, including shell, the side of the shell is provided with multiple
Mounting groove, the mounting groove is interior to be provided with dynamic contact terminal and quiet contact terminal, the inner bottom part of the quiet contact terminal and mounting groove
It is fixedly connected, the dynamic contact terminal is connected with wire by lock-screw, and the one end of the wire away from lock-screw is run through
The notch of mounting groove simultaneously stretches out, and is provided with sliding cavity in the shell, sliding block, the cunning are slidably connected in the sliding cavity
The inner top of dynamic chamber is provided with sliding mouth corresponding with lock-screw, and the lower end of the lock-screw is run through sliding mouth and connected with sliding block screw thread
Connect, the madial wall of the sliding cavity is rotatably connected to screw rod, and the madial wall of sliding cavity and fixed company are run through in one end of the screw rod
The first adjusting knob is connected to, dynamic contact terminal is provided with the mounting groove and the upper end of quiet contact terminal is provided with protective cover, it is described
Protective cover is fixedly connected with the madial wall of mounting groove, and the upside of the mounting groove is provided with multiple thermovents, is set in the thermovent
There is baffle plate, the baffle plate is rotatablely connected by the madial wall of first rotating shaft and thermovent, and fixed cover is connected in the first rotating shaft
First helical gear, the first helical gear side are provided with the second helical gear engaged, and multiple second helical gears lead to
The second rotating shaft connection is crossed, second rotating shaft is rotatablely connected with protective cover, and second rotating shaft is fixed away from mounting groove inner bottom part
It is connected with the second adjusting knob.
Preferably, the downside of the dynamic contact terminal is arranged with multiple accommodating grooves, the accommodating groove centered on sliding mouth
Interior to be provided with ball, end of the ball away from accommodating groove inner bottom part is run through the notch of accommodating groove and stretched out, the installation
The inner bottom part of groove is provided with slot rolling corresponding with ball.
Preferably, there is ceramic contact plate the side of the baffle plate by bonding agent fixed bonding.
Preferably, the upper end of the dynamic contact terminal and quiet contact terminal opposite side is equipped with projection.
Preferably, flange is provided with the lower edge of the protective cover madial wall.
Preferably, it is coated with lubricating grease on the surface of the sliding block and the madial wall of sliding cavity.
In the utility model, by rotating the first adjusting knob, so as to facilitate screw rod to rotate, due to screw rod and the spiral shell of sliding block
Line connects, simultaneously because lock-screw contact with sliding intraoral side wall, so as to facilitate sliding block to drive dynamic contact by lock-screw
Terminal movable, to facilitate dynamic contact terminal to be contacted with quiet contact terminal, by rotating the second adjusting knob, so as to facilitate second turn
Axle drives the second helical gear to rotate, first oblique so as to facilitate due to engaging connection between the first helical gear and the second helical gear
Gear drives flapper by first rotating shaft, and baffle plate blocks to thermovent, coordinates protective cover, anti-stop contact terminal with
Electric spark caused by quiet contact terminal first contacts, which splashes, to be sprayed, and is rotated the second adjusting knob again afterwards, is facilitated thermovent
Radiating.The utility model is simple in construction, easy to use, can conveniently move contact terminal contact with quiet contact terminal, pass through
The stop of protective cover and baffle plate, anti-stop contact terminal contacted with quiet contact terminal caused by electric spark injection, so as to avoid
Spare and accessory parts on star delta starter are melted and destroyed.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of anti-electric spark injection motor star delta starter structural representation
Figure；
Fig. 2 is the structural representation at A in Fig. 1.
In figure：1 shell, 2 dynamic contact terminals, 3 quiet contact terminals, 4 lock-screws, 5 wires, 6 sliding blocks, 7 screw rods, 8 first
Adjusting knob, 9 balls, 10 protective covers, 11 baffle plates, 12 first rotating shafts, 13 first helical gears, 14 second helical gears, 15 second turns
Axle, 16 second adjusting knobs, 17 ceramic contact plates, 18 flanges, 19 projections.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
In description of the present utility model, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " top ", " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
Reference picture 1-2, a kind of motor star delta starter of anti-electric spark injection, including shell 1, the side of shell 1
Dynamic contact terminal 2 and quiet contact terminal 3 are provided with provided with multiple mounting grooves, in mounting groove, moves contact terminal 2 and quiet contact terminal 3
The upper end of opposite side is equipped with projection 19, convenient dynamic contact between contact terminal 2 and quiet contact terminal 3, quiet contact terminal 3
It is fixedly connected with the inner bottom part of mounting groove, dynamic contact terminal 2 is connected with wire 5 by lock-screw 4, and wire 5 is away from locking screw
One end of nail 4 is run through the notch of mounting groove and stretched out, and is provided with sliding cavity in shell 1, sliding block is slidably connected in sliding cavity
6, lubricating grease is coated with the surface of sliding block 6 and the madial wall of sliding cavity, reduces coefficient of friction, reduces frictional force, so as to side
Just slip of the sliding block 6 in sliding cavity, the inner top of sliding cavity are provided with sliding mouth corresponding with lock-screw 4, lock-screw 4
Lower end is run through sliding mouth and is threadedly coupled with sliding block 6, and the madial wall of sliding cavity is rotatably connected to screw rod 7, and one end of screw rod 7 is through cunning
The madial wall of dynamic chamber is simultaneously fixedly connected with the first adjusting knob 8, and the downside of dynamic contact terminal 2 is arranged with more centered on sliding mouth
Individual accommodating groove, accommodating groove is interior to be provided with ball 9, reduces the contact area of dynamic contact terminal 2 and mounting groove inner bottom part, reduces and rub
Power, so as to the movement of convenient dynamic contact terminal 2, end of the ball 9 away from accommodating groove inner bottom part through accommodating groove notch and to
Outer extension, the inner bottom part of mounting groove are provided with and 9 corresponding slot rolling of ball, the convenient moving direction for limiting dynamic contact terminal 2, installation
The upper end that dynamic contact terminal 2 and quiet contact terminal 3 are provided with groove is provided with protective cover 10, the madial wall of protective cover 10 and mounting groove
Be fixedly connected, the upside of mounting groove is provided with multiple thermovents, is provided with baffle plate 11 in thermovent, baffle plate 11 by first rotating shaft 12 and
The madial wall of thermovent is rotatablely connected, and fixed cover is connected to the first helical gear 13, the side of the first helical gear 13 in first rotating shaft 12
Provided with the second helical gear 14 engaged, multiple second helical gears 14 are connected by the second rotating shaft 15, and the second rotating shaft 15 is with preventing
Shield 10 is rotatablely connected, and the second rotating shaft 15 is fixedly connected with the second adjusting knob 16 away from mounting groove inner bottom part, and the one of baffle plate 11
There is ceramic contact plate 17 side by bonding agent fixed bonding, and good insulating is convenient to be contacted with electric spark, the madial wall of protective cover 10
Flange 18 is provided with lower edge, prevents electric spark from overflowing protective cover 10 after being contacted with the madial wall of protective cover 10.
In the utility model, by rotating the first adjusting knob 8, so as to facilitate screw rod 7 to rotate, due to screw rod 7 and sliding block 6
Threaded connection, simultaneously because the contact with sliding intraoral side wall of lock-screw 4, so as to facilitate sliding block 6 to be driven by lock-screw 4
Dynamic contact terminal 2 moves, to facilitate dynamic contact terminal 2 to be contacted with quiet contact terminal 3, by rotating the second adjusting knob 16, from
And facilitate the second rotating shaft 15 to drive the second helical gear 14 to rotate, due to nibbling between the first helical gear 13 and the second helical gear 14
Connection is closed, so as to facilitate the first helical gear 13 to drive baffle plate 11 to rotate by first rotating shaft 12, baffle plate 11 hides to thermovent
Gear, coordinating protective cover 10, anti-stop contact terminal 2 splashes with electric spark caused by the quiet first contacts of contact terminal 3 and sprayed, it
Rotate the second adjusting knob 16 again afterwards, facilitate the radiating of thermovent.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of motor star delta starter of anti-electric spark injection, including shell (1), it is characterised in that the shell (1)
Side be provided with multiple mounting grooves, dynamic contact terminal (2) and quiet contact terminal (3), the quiet contact are provided with the mounting groove
Terminal (3) is fixedly connected with the inner bottom part of mounting groove, and the dynamic contact terminal (2) is connected with wire by lock-screw (4)
(5), the one end of the wire (5) away from lock-screw (4) is run through the notch of mounting groove and stretched out, in the shell (1)
Provided with sliding cavity, sliding block (6) is slidably connected in the sliding cavity, the inner top of the sliding cavity is provided with and lock-screw (4)
Corresponding sliding mouth, the lower end of the lock-screw (4) are run through sliding mouth and are threadedly coupled with sliding block (6), the inner side of the sliding cavity
Wall is rotatably connected to screw rod (7), and one end of the screw rod (7) runs through the madial wall of sliding cavity and is fixedly connected with the first regulation rotation
Button (8), the interior upper end for being provided with dynamic contact terminal (2) and quiet contact terminal (3) of the mounting groove is provided with protective cover (10), described anti-
Shield (10) is fixedly connected with the madial wall of mounting groove, and the upside of the mounting groove is provided with multiple thermovents, in the thermovent
Provided with baffle plate (11), the baffle plate (11) is rotatablely connected by the madial wall of first rotating shaft (12) and thermovent, described first turn
Fixed cover is connected to the first helical gear (13) on axle (12), and the side of first helical gear (13) is oblique provided with second engaged
Gear (14), multiple second helical gears (14) are connected by the second rotating shaft (15), second rotating shaft (15) and protective cover
(10) it is rotatablely connected, second rotating shaft (15) is fixedly connected with the second adjusting knob (16) away from mounting groove inner bottom part.
2. the motor star delta starter of a kind of anti-electric spark injection according to claim 1, it is characterised in that described
The downside of dynamic contact terminal (2) is arranged with multiple accommodating grooves centered on sliding mouth, and ball (9), institute are provided with the accommodating groove
End of the ball (9) away from accommodating groove inner bottom part is stated through the notch of accommodating groove and is stretched out, the inner bottom part of the mounting groove
Provided with slot rolling corresponding with ball (9).
3. the motor star delta starter of a kind of anti-electric spark injection according to claim 1, it is characterised in that described
There is ceramic contact plate (17) side of baffle plate (11) by bonding agent fixed bonding.
4. the motor star delta starter of a kind of anti-electric spark injection according to claim 1, it is characterised in that described
The upper end of dynamic contact terminal (2) and quiet contact terminal (3) opposite side is equipped with projection (19).
5. the motor star delta starter of a kind of anti-electric spark injection according to claim 1, it is characterised in that described
Flange (18) is provided with the lower edge of protective cover (10) madial wall.
6. the motor star delta starter of a kind of anti-electric spark injection according to claim 1, it is characterised in that described
Lubricating grease is coated with the surface of sliding block (6) and the madial wall of sliding cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721213562.XU CN207184359U (en) | 2017-09-21 | 2017-09-21 | A kind of motor star delta starter of anti-electric spark injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721213562.XU CN207184359U (en) | 2017-09-21 | 2017-09-21 | A kind of motor star delta starter of anti-electric spark injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207184359U true CN207184359U (en) | 2018-04-03 |
Family
ID=61748654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721213562.XU Active CN207184359U (en) | 2017-09-21 | 2017-09-21 | A kind of motor star delta starter of anti-electric spark injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207184359U (en) |
-
2017
- 2017-09-21 CN CN201721213562.XU patent/CN207184359U/en active Active
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