CN210040065U - Limiting device for limiting butt joint terminal and alternating current contactor - Google Patents
Limiting device for limiting butt joint terminal and alternating current contactor Download PDFInfo
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- CN210040065U CN210040065U CN201921285750.2U CN201921285750U CN210040065U CN 210040065 U CN210040065 U CN 210040065U CN 201921285750 U CN201921285750 U CN 201921285750U CN 210040065 U CN210040065 U CN 210040065U
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Abstract
The utility model discloses a be used for spacing stop device and ac contactor to binding post, stop device for it is spacing to connect binding post on the terminal, stop device includes: the limiting part is provided with a limiting channel, and the wiring terminal penetrates through the limiting channel and then is electrically connected with the wiring terminal; the limiting part has a first state and a second state, and in the first state, the passing area of the limiting channel is enlarged to pass through the wiring terminal; in the second state, the passing area of the limiting channel is reduced so as to limit the wiring terminal passing through the limiting channel. The utility model discloses a stop device effectively avoids the terminal line ball pine to take off or not to tie up the contactor that causes and burns out the incident through setting up spacing portion to improve equipment reliability of operation.
Description
Technical Field
The utility model relates to an electrical technology field, concretely relates to be used for spacing stop device of butt joint terminal and ac contactor.
Background
An ac contactor is an electric appliance for automatically connecting or disconnecting a large current circuit, which can frequently connect or disconnect an ac circuit and can realize remote control. The main control object is the motor, and the motor can be used for other loads, and has the characteristics of large control capacity, strong overload capacity, long service life, simple and economical equipment and the like, so the motor is widely applied to electric appliance control. In the use of contactor, often can meet because of the terminal line ball pine takes off or not make the contactor that causes burn out the problem tightly, reduced the reliability of equipment operation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a be used for spacing stop device of terminal and ac contactor of acting as go-between has solved because of the terminal line ball pine takes off or not tighten the contactor that causes and burns out the problem.
According to an aspect of the utility model, a stop device is disclosed for carry on spacingly to the binding post of connection on the terminal, stop device includes: the limiting part is provided with a limiting channel, and the wiring terminal penetrates through the limiting channel and then is electrically connected with the wiring terminal; the limiting part has a first state and a second state, and in the first state, the passing area of the limiting channel is enlarged to pass through the wiring terminal; in the second state, the passing area of the limiting channel is reduced so as to limit the wiring terminal passing through the limiting channel.
Further, the spacing portion includes: the mounting plate is arranged on the wiring terminal; the limiting plate is sleeved on the wiring terminal; the limiting parts are movably arranged on the mounting plate and are arranged at intervals, and the limiting parts, the mounting plate and the limiting plates enclose the limiting channel.
Furthermore, when the limiting part is in the first state, the two limiting pieces are far away from each other, so that the distance between the limiting pieces is enlarged to pass through the wiring terminal; the limiting part is in the second state, the two limiting parts are close to each other, so that the distance between the limiting parts is reduced, and the wiring terminal is limited.
Further, the limiting plate is movably arranged on the wiring terminal and is provided with a first position and a second position for adjusting the height of the limiting channel; in the first position, the limiting plate is close to the mounting plate; and in the second position, the limiting plate is far away from the mounting plate.
Further, the terminal is provided with the external screw thread, be provided with the through-hole of in-band screw thread on the limiting plate, the limiting plate pass through the through-hole with terminal screw-thread fit, the terminal with the limiting plate can the rotation each other, the limiting plate switches in the rotation each other first position with the second position.
Further, the spacing portion includes: the mounting plate is arranged on the wiring terminal; the limiting plate is movably arranged on the wiring terminal; the limiting plate is provided with a first position close to the mounting plate and a second position far away from the mounting plate; the limiting plate adjusts the passing area of the limiting channel by switching the first position and the second position.
Further, the spacing portion includes: the mounting plate is arranged on the wiring terminal; the two limiting pieces are arranged at intervals; when the limiting part is in the first state, the two limiting parts are far away from each other, so that the distance between the limiting parts is enlarged to pass through the wiring terminal; the limiting part is in the second state, the two limiting parts are close to each other, so that the distance between the limiting parts is reduced, and the wiring terminal is limited.
Further, the locating part is a limiting column, a first guide groove is formed in the mounting plate, the limiting column penetrates through the first guide groove, and the limiting column is movable along the first guide groove.
Furthermore, be provided with on the limiting plate with the corresponding second guide slot of first guide slot, spacing post wears to establish simultaneously in first guide slot with the second guide slot, the terminal is followed the second guide slot is portable.
Further, stop device still includes: the driving device is in driving connection with the binding post; the control device is electrically connected with the driving device.
Further, stop device still includes: the first distance measuring device is arranged on the mounting plate and is used for detecting the width of the wiring terminal; the second distance measuring device is arranged on the limiting pieces and used for detecting the distance between the two limiting pieces; the first distance measuring device and the second distance measuring device are electrically connected with the control device respectively.
Further, the wiring terminal is a U-shaped terminal.
According to another aspect of the present invention, an ac contactor is disclosed, which includes the above-mentioned position-limiting device.
The utility model discloses a stop device is through setting up spacing portion, and spacing portion has spacing passageway, when inserting or extracting binding post, spacing portion is in the first state, the area of passing through of spacing passageway enlarges, make binding post can pass through spacing passageway, after binding post inserts the terminal, spacing portion is in the second state, the area of passing through of spacing passageway reduces, make binding post can't pass through spacing passageway, thereby form spacing cooperation, lock binding post in the terminal below, ensure reliable connection, effectively avoid the terminal line ball pine to take off or not tighten the contactor that causes and burn out the incident, thereby improve equipment operation's reliability.
Drawings
Fig. 1 is a schematic structural view of a limiting device according to an embodiment of the present invention;
fig. 2 is a schematic view of the working principle of the limiting device according to the embodiment of the present invention;
fig. 3 is an assembly view of a spacing device according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
legend: 10. a binding post; 20. a limiting part; 21. a limiting channel; 22. mounting a plate; 221. a first guide groove; 23. a limiting plate; 231. a second guide groove; 24. a limiting member; 30. and a terminal.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.
For an alternating current contactor, the research on the performance of a contact system and an arc extinguishing system is more concerned, the attention on a terminal structure is less concerned, and the terminal structure in the field is mostly considered to have no place for improvement, so the research on the aspect is rare at present.
However, in practice, the wiring terminal has room for improvement, at present, the wiring mode of the ac contactor is a wiring mode of manually tightening a screw of the wiring terminal by using a screwdriver or a pneumatic screwdriver, in actual operation, both hands of an operator are required to operate, wiring is not firm, the problem of burning of the contactor caused by loosening or untightening of a pressed wire of the wiring terminal exists, and the reliability of equipment operation is reduced. Therefore, the utility model provides a can solve stop device of above-mentioned problem.
As shown in fig. 1 to 4, the utility model discloses a limiting device for limiting a connecting terminal 30 connected to a terminal 10, the limiting device comprises a limiting part 20, the limiting part 20 is provided with a limiting channel 21, and the connecting terminal 30 is electrically connected with the terminal 10 after passing through the limiting channel 21; the stopper portion 20 has a first state in which a passing area of the stopper passage 21 is enlarged to pass through the connection terminal 30 and a second state; in the second state, the passing area of the restriction passage 21 is reduced to restrict the connection terminal 30 passing through the restriction passage 21.
The utility model discloses a stop device is through setting up spacing portion 20, and spacing portion 20 has spacing passageway 21, when inserting or extracting binding post, spacing portion 20 is in the first state, the area that passes through of spacing passageway 21 enlarges, make binding post 30 can pass through spacing passageway 21, insert terminal 10 back at binding post 30, spacing portion 20 is in the second state, the area that passes through of spacing passageway 21 reduces, make binding post 30 can't pass through spacing passageway 21, thereby form spacing cooperation, lock binding post below the terminal, ensure reliable connection, effectively avoid the terminal line ball pine to take off or not tighten the contactor that causes and burn out the incident, thereby improve equipment operation's reliability.
In the above embodiment, the stopper portion 20 includes: the mounting plate 22, the limiting plate 23 and the limiting piece 24, wherein the mounting plate 22 is arranged on the binding post 10; the limiting plate 23 is sleeved on the binding post 10; the two limiting members 24 are movably disposed on the mounting plate 22, the two limiting members 24 are disposed at an interval, and the two limiting members 24, the mounting plate 22 and the limiting plate 23 enclose a limiting channel 21. The utility model discloses a stop device through setting up mounting panel 22, limiting plate 23 and two locating parts 24, makes two locating parts 24 and mounting panel 22, limiting plate 23 enclose into spacing passageway 21 to can make binding post 30 form spacing cooperation through the area that passes through of controlling spacing passageway 21, prevent that binding post pine from taking off or coming off, thereby improve equipment operation's reliability.
In the above embodiment, when the limiting portion 20 is in the first state, the two limiting members 24 are away from each other, so that the distance between the limiting members 24 is enlarged to pass through the connecting terminal 30; in the second state of the limiting portion 20, the two limiting members 24 approach each other, so that the distance between the limiting members 24 is reduced to limit the wire connecting terminal 30. The utility model discloses a stop device is through adjusting the distance between two locating parts 24 to can make binding post 30 pass through or spacing cooperation, thereby prevent that binding post pine from taking off or coming off, improve equipment reliability of operation.
In the above embodiment, the position limiting plate 23 is movably disposed on the post 10, and the position limiting plate 23 has a first position and a second position for adjusting the height of the position limiting channel 21; in the first position, the limit plate 23 is close to the mounting plate 22; in the second position, the retainer plate 23 is away from the mounting plate 22. The utility model discloses a stop device is through the movably setting on terminal 10 of limiting plate 23 to can adjust spacing passageway 21's height, prevent binding post 30 drunkenness from top to bottom, improve the reliability that binding post 30 and terminal 10 are connected. In addition, in order to further improve the reliability, the terminal 30 may be clamped by the stopper plate 23 and the mounting plate 22, and a double safety may be formed by cooperation with the stopper 24.
In the above embodiment, the terminal 10 is provided with an external thread, the limiting plate 23 is provided with a through hole with an internal thread, the limiting plate 23 is in threaded fit with the terminal 10 through the through hole, the terminal 10 and the limiting plate 23 can rotate relative to each other, and the limiting plate 23 switches between the first position and the second position during the rotation. The utility model discloses a stop device is through terminal 10 and the 23 screw-thread fit of limiting plate to can make limiting plate 23 switch primary importance and second place, make things convenient for personnel's operation through the rotation each other between terminal 10 and limiting plate 23.
In another embodiment, the spacing device differs from the first embodiment in that the spacing portion 20 includes: a mounting plate 22, the mounting plate 22 being disposed on the terminal 10; the limiting plate 23, the limiting plate 23 is movably arranged on the binding post 10; the limit plate 23 has a first position close to the mounting plate 22 and a second position far from the mounting plate 22; the stopper plate 23 adjusts the passage area of the stopper passage 21 by switching the first position and the second position.
In the third embodiment, the limiting device is different from the first embodiment in that the limiting portion 20 includes: a mounting plate 22, the mounting plate 22 being disposed on the terminal 10; the limiting pieces 24 are movably arranged on the mounting plate 22, and two limiting pieces 24 are arranged at intervals; when the limiting part 20 is in the first state, the two limiting pieces 24 are far away from each other, so that the distance between the limiting pieces 24 is enlarged to pass through the wiring terminal 30; in the second state of the limiting portion 20, the two limiting members 24 approach each other, so that the distance between the limiting members 24 is reduced to limit the wire connecting terminal 30.
In the embodiment shown in fig. 1, the position-limiting member 24 is a position-limiting post, the mounting plate 22 is provided with a first guide slot 221, the position-limiting post is inserted into the first guide slot 221, the position-limiting post is movable along the first guide slot 221, the position-limiting member 23 is provided with a second guide slot 231 corresponding to the first guide slot 221, the position-limiting post is inserted into the first guide slot 221 and the second guide slot 231, and the terminal is movable along the second guide slot 231. The utility model discloses a stop device makes spacing post can lead through first guide slot 221 and second guide slot 231 through setting up first guide slot 221 and second guide slot 231 to improve spacing effect.
In the above embodiment, the position limiting device further includes: the driving device is in driving connection with the binding post 10; the control device is electrically connected with the driving device. The utility model discloses a stop device through setting up drive arrangement and controlling means, makes operating personnel can control the state of spacing portion 20 at a distance to avoid closely contacting the potential safety hazard that produces.
In the above embodiment, the position limiting device further includes: a first distance measuring device and a second distance measuring device, wherein the first distance measuring device is arranged on the mounting plate 22 and is used for detecting the width of the wiring terminal 30; the second distance measuring device is arranged on the limiting pieces 24 and used for detecting the distance between the two limiting pieces 24; the first distance measuring device and the second distance measuring device are respectively electrically connected with the control device. Can measure the distance between binding post and the spacing post respectively through setting up range unit to the distance of control spacing post improves control accuracy, and first range unit and second range unit specifically can select infrared range unit.
In the above embodiment, the connection terminal 30 is a U-shaped terminal.
According to another aspect of the present invention, an ac contactor is disclosed, which includes the above-mentioned position-limiting device.
In the embodiment, the limiting device keeps the first state under the default condition; during the use, the manual mode of lockstitching a wire of traditional contactor has been replaced in application button control, effectively avoids the terminal line ball pine that causes because of the human factor to take off or not play phenomenon such as tight, provides convenience for the use of contactor.
The operation of the limiting device of the embodiment is as follows:
① fixing the AC contactor on the guide rail or mounting plate
② connecting the cable terminal to be connected to the AC contactor terminal
③ when the button is pressed, the limiting device will start working immediately to achieve the function of locking the wire.
When the limiting device of the embodiment works, the following steps are carried out according to the time sequence shown in fig. 2:
1. the limiting plate moves downwards to clamp the wiring terminal;
2. the limiting parts move from two sides to the middle to clamp the wiring terminal;
3. the limiting device automatically adjusts through infrared distance measurement, automatically matches a proper locking range through infrared measurement, and ensures locking.
The utility model discloses a stop device, both hands of operator have been liberated in the actual operation and the time of considering contactor binding post moment requirement for ensureing the wiring quality has been saved again, can wholly improve work efficiency.
It is to be understood that the above-described embodiments of the present invention are merely examples provided for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.
Claims (13)
1. A limiting device for limiting a terminal (30) connected to a terminal post (10), the limiting device comprising:
the limiting part (20) is provided with a limiting channel (21), and the wiring terminal (30) penetrates through the limiting channel (21) and then is electrically connected with the wiring terminal (10);
the stopper (20) has a first state and a second state,
in the first state, the passing area of the limiting channel (21) is enlarged to pass through the wiring terminal (30);
in the second state, the passing area of the limiting channel (21) is reduced so as to limit the wiring terminal (30) passing through the limiting channel (21).
2. Stop device according to claim 1, characterized in that the stop portion (20) comprises:
a mounting plate (22), the mounting plate (22) being disposed on the terminal post (10);
the limiting plate (23), the limiting plate (23) is sleeved on the binding post (10);
the limiting parts (24) are movably arranged on the mounting plate (22), the limiting parts (24) are arranged at two intervals, and the limiting parts (24), the mounting plate (22) and the limiting plates (23) enclose to form the limiting channel (21).
3. Limiting device according to claim 2,
when the limiting part (20) is in the first state, the two limiting parts (24) are far away from each other, so that the distance between the limiting parts (24) is enlarged to pass through the wiring terminal (30);
when the limiting part (20) is in the second state, the two limiting parts (24) are close to each other, so that the distance between the limiting parts (24) is reduced, and the connecting terminal (30) is limited.
4. Limiting device according to claim 2,
the limiting plate (23) is movably arranged on the binding post (10), and the limiting plate (23) is provided with a first position and a second position for adjusting the height of the limiting channel (21);
in the first position, the limit plate (23) is close to the mounting plate (22);
in the second position, the stop plate (23) is remote from the mounting plate (22).
5. Limiting device according to claim 4,
terminal (10) are provided with the external screw thread, be provided with the through-hole of taking the internal screw thread on limiting plate (23), limiting plate (23) through the through-hole with terminal (10) screw-thread fit, terminal (10) with limiting plate (23) can the looks mutual rotation, limiting plate (23) switch in the mutual rotation first position with the second position.
6. Stop device according to claim 1, characterized in that the stop portion (20) comprises:
a mounting plate (22), the mounting plate (22) being disposed on the terminal post (10);
a limiting plate (23), wherein the limiting plate (23) is movably arranged on the binding post (10);
the limit plate (23) has a first position close to the mounting plate (22) and a second position far from the mounting plate (22);
the limiting plate (23) is used for adjusting the passing area of the limiting channel (21) by switching the first position and the second position.
7. Stop device according to claim 1, characterized in that the stop portion (20) comprises:
a mounting plate (22), the mounting plate (22) being disposed on the terminal post (10);
the limiting pieces (24) are movably arranged on the mounting plate (22), and the two limiting pieces (24) are arranged at intervals;
when the limiting part (20) is in the first state, the two limiting parts (24) are far away from each other, so that the distance between the limiting parts (24) is enlarged to pass through the wiring terminal (30);
when the limiting part (20) is in the second state, the two limiting parts (24) are close to each other, so that the distance between the limiting parts (24) is reduced, and the connecting terminal (30) is limited.
8. Limiting device according to claim 2,
the locating part (24) is a limiting column, a first guide groove (221) is formed in the mounting plate (22), the limiting column penetrates through the first guide groove (221), and the limiting column is movable along the first guide groove (221).
9. A spacing device according to claim 8,
the limiting plate (23) is provided with a second guide groove (231) corresponding to the first guide groove (221), the limiting column penetrates through the first guide groove (221) and the second guide groove (231) simultaneously, and the wiring terminal can move along the second guide groove (231).
10. The spacing device of claim 5, further comprising:
the driving device is in driving connection with the binding post (10);
the control device is electrically connected with the driving device.
11. The spacing device of claim 10, further comprising:
a first distance measuring device arranged on the mounting plate (22) for detecting the width of the connection terminal (30);
the second distance measuring device is arranged on the limiting pieces (24) and is used for detecting the distance between the two limiting pieces (24);
the first distance measuring device and the second distance measuring device are electrically connected with the control device respectively.
12. Limiting device according to claim 1,
the wiring terminal (30) is a U-shaped terminal.
13. An ac contactor comprising a spacing device as claimed in any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921285750.2U CN210040065U (en) | 2019-08-08 | 2019-08-08 | Limiting device for limiting butt joint terminal and alternating current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921285750.2U CN210040065U (en) | 2019-08-08 | 2019-08-08 | Limiting device for limiting butt joint terminal and alternating current contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210040065U true CN210040065U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921285750.2U Active CN210040065U (en) | 2019-08-08 | 2019-08-08 | Limiting device for limiting butt joint terminal and alternating current contactor |
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| Country | Link |
|---|---|
| CN (1) | CN210040065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289193A (en) * | 2019-08-08 | 2019-09-27 | 珠海格力电器股份有限公司 | Limiting device for limiting butt joint terminal and alternating current contactor |
-
2019
- 2019-08-08 CN CN201921285750.2U patent/CN210040065U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289193A (en) * | 2019-08-08 | 2019-09-27 | 珠海格力电器股份有限公司 | Limiting device for limiting butt joint terminal and alternating current contactor |
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