CN214477235U

CN214477235U - Anti-false touch type contactor

Info

Publication number: CN214477235U
Application number: CN202120612078.4U
Authority: CN
Inventors: 彭香连; 王明
Original assignee: Jiangsu Lutong Electrical Appliance Co ltd
Current assignee: Jiangsu Lutong Electrical Appliance Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-10-22
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a prevent mistake touch contactor, including circuit component case shell, second rotation axis, chamber door, hasp and control switch, expanding spring's end-to-end connection has the sliding block, the fixed bolster is installed to the left and right sides of contactor shell, the upper end of fixed bolster is provided with first rotation axis, the safety cover has been cup jointed in the outside of first rotation axis, the second rotation axis is installed in the left side of circuit component case shell front surface, the surface mounting of second rotation axis has the chamber door, circuit component thinks the right side of shell front surface to be fixed with the hasp. This prevent mistake touch contactor is provided with spacing spout, and the internally mounted of spacing spout has the buckle, and the buckle can carry out the adjustment of position according to the size of connecting hole on the contactor, and the buckle adjustment can make the electric wire that needs to connect once only get into the below of wiring bolt when targetting in place, can directly accomplish being connected of contactor and electric wire, makes the installation of contactor more convenient, more swift.

Description

Anti-false touch type contactor

Technical Field

The utility model relates to a contactor technical field specifically is a prevent mistake touch contactor.

Background

Contactors are classified into alternating current contactors (voltage AC) and direct current contactors (voltage DC), and are applied to electric power, distribution, and power utilization occasions. The contactor is an electric appliance which uses a coil to flow current to generate a magnetic field in industrial electricity to close a contact so as to control a load, is often applied to a motor as a control object, is used for controlling electric loads such as factory equipment, an electric heater, a working machine and various power units, has a low-voltage release protection function, is suitable for frequent operation and remote control, and is one of important elements in an automatic control system.

The contactor that uses on the market at present mostly all directly exposes in the air with the electric wire junction, when the staff need examine and repair the contactor, may touch the junction of contactor and electric wire carelessly, makes the staff have the risk of electrocuteeing, so we have proposed one kind and prevented mistake touch contactor to the problem that proposes in solving the aforesaid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent mistake touch contactor to solve the present contactor that uses on the market that above-mentioned background art provided and the electric wire department of being connected most all directly expose in the air, when the staff need overhaul the contactor, may touch the junction of contactor and electric wire carelessly, make the staff have the problem of the risk of electrocution.

In order to achieve the above object, the utility model provides a following technical scheme: a contactor with the function of preventing false touch comprises a circuit element box shell, a second rotating shaft, a box door and a lock catch control switch, wherein a mounting plate is arranged inside the circuit element box shell, a contactor shell is arranged on the front surface of the mounting plate, fixing bolts are arranged on the upper side and the lower side of the front surface of the contactor shell, connecting holes are formed in the inner sides of the fixing bolts, a wiring bolt is arranged inside the connecting holes, limiting sliding grooves are formed in the upper side and the lower side of each fixing bolt, retaining rings are arranged inside the limiting sliding grooves, fixing blocks are arranged inside the tail ends of the retaining rings, telescopic springs are connected to two sides of each fixing block, sliding blocks are connected to the tail ends of the telescopic springs, fixing supports are arranged on the left side and the right side of the contactor shell, a first rotating shaft is arranged at the upper ends of the fixing supports, and a protective cover is sleeved on the outer side of the first rotating shaft, the left side of circuit component case shell front surface installs the second rotation axis, the surface mounting of second rotation axis has the chamber door, the right side of circuit component case shell front surface is fixed with the hasp, the inboard of connecting hole is provided with control switch.

Preferably, the height and the width of the mounting plate are equal to the height and the width inside the circuit element box shell, the mounting plate is fixedly connected with the inner wall of the circuit element box shell, and the distance between the front surfaces of the front surface circuit element box shell of the mounting plate is less than 5 centimeters.

Preferably, the number of the fixing bolts is 4, the fixing bolts are respectively installed at the upper end and the lower end of the contactor shell, and the contactor shell is fixedly connected with the installation plate through the fixing bolts.

Preferably, the length of the limiting sliding groove is smaller than the width of the mounting plate, and the limiting sliding grooves are respectively arranged at the upper end and the lower end of the contactor shell.

Preferably, the number of the retaining rings is 4, the retaining rings are installed inside the limiting sliding grooves, the retaining rings are in sliding connection with the limiting sliding grooves, the tail ends of the retaining rings are of hollow structures, and the sliding blocks form telescopic structures at the tail ends of the retaining rings through telescopic springs.

Preferably, the fixed bolster symmetry sets up the both sides at the contactor shell, the safety cover passes through and constitutes revolution mechanic between first rotation axis and the fixed bolster, the length of safety cover is greater than the width of contactor shell, the width of safety cover is greater than half of the length of contactor shell.

Compared with the prior art, the beneficial effects of the utility model are that: should prevent mistake touch contactor:

(1) the limiting sliding groove is arranged, a retaining ring is arranged in the limiting sliding groove, the position of the retaining ring can be adjusted according to the size of a connecting hole in the contactor, when the retaining ring is adjusted in place, an electric wire to be connected can enter the lower part of the wiring bolt at one time, the connection between the contactor and the electric wire can be directly completed, and the installation of the contactor is more convenient and quicker;

(2) be provided with the fixed bolster, be provided with first rotation axis on the fixed bolster, can make the safety cover rotate on the fixed bolster through first rotation axis, make the safety cover can cover in the outside of contactor, avoid staff's error to touch the contactor, improved the security of device.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side sectional view of the mounting plate of the present invention;

FIG. 3 is a schematic side view of the structural mounting plate of the present invention;

fig. 4 is a schematic view of a position a in the structure diagram 1 of the present invention.

In the figure: 1. a circuit component box housing; 2. mounting a plate; 3. a contactor housing; 4. fixing the bolt; 5. connecting holes; 6. a wiring bolt; 7. a limiting chute; 8. a retaining ring; 9. a fixed block; 10. a tension spring; 11. a slider; 12. fixing a bracket; 13. a first rotating shaft; 14. a protective cover; 15. a second rotation shaft; 16. a box door; 17. locking; 18. and controlling the switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a contactor preventing false touch comprises a circuit element box shell 1, a mounting plate 2, a contactor shell 3, a fixing bolt 4, a connecting hole 5, a wiring bolt 6, a limiting sliding groove 7, a retaining ring 8, a fixing block 9, a telescopic spring 10, a sliding block 11, a fixing support 12, a first rotating shaft 13, a protective cover 14, a second rotating shaft 15, a box door 16, a locking buckle 17 and a control switch 18, wherein the mounting plate 2 is arranged inside the circuit element box shell 1, the contactor shell 3 is arranged on the front surface of the mounting plate 2, the fixing bolt 4 is arranged on the upper side and the lower side of the front surface of the contactor shell 3, the connecting hole 5 is formed in the inner side of the fixing bolt 4, the wiring bolt 6 is arranged inside the connecting hole 5, the limiting sliding groove 7 is formed in the upper side and the lower side of the fixing bolt 4, the retaining ring 8 is arranged inside the limiting sliding groove 7, and the fixing block 9 is arranged inside the tail end of the retaining ring 8, the both sides of fixed block 9 are connected with expanding spring 10, expanding spring 10's end-to-end connection has sliding block 11, fixed bolster 12 is installed to the left and right sides of contactor shell 3, the upper end of fixed bolster 12 is provided with first rotation axis 13, safety cover 14 has been cup jointed in the outside of first rotation axis 13, second rotation axis 15 is installed in the left side of circuit component case shell 1 front surface, the surface mounting of second rotation axis 15 has chamber door 16, the right side of circuit component case shell 1 front surface is fixed with hasp 17, the inboard of connecting hole 5 is provided with control switch 18.

The height and the width of the mounting plate 2 are equal to the height and the width inside the circuit element box shell 1, the mounting plate 2 is fixedly connected with the inner wall of the circuit element box shell 1, and the distance between the front surfaces of the circuit element box shell 1 on the front surface of the mounting plate 2 is smaller than 5 cm, so that parts on the mounting plate 2 are convenient to maintain.

Fixing bolt 4 is provided with 4, and fixing bolt 4 installs respectively at contactor shell 3's upper and lower both ends, and contactor shell 3 constitutes fixed connection through between fixing bolt 4 and the mounting panel 2, makes things convenient for contactor shell 3's installation, and makes the more stable of being connected between contactor shell 3 and the mounting panel 2.

The length of the limiting sliding groove 7 is smaller than the width of the mounting plate 2, and the limiting sliding groove 7 is respectively arranged at the upper end and the lower end of the contactor shell 3.

The number of the retaining rings 8 is 4, the retaining rings 8 are installed inside the limiting sliding grooves 7, the retaining rings 8 are in sliding connection with the limiting sliding grooves 7, the tail ends of the retaining rings 8 are of hollow structures, the sliding blocks 11 form telescopic structures at the tail ends of the retaining rings 8 through the telescopic springs 10, the retaining rings 8 can slide under the action of external force, and the retaining rings can be stable under the condition of not receiving the external force.

The fixed support 12 is symmetrically arranged at two sides of the contactor housing 3, the protective cover 14 forms a rotating structure between the first rotating shaft 13 and the fixed support 12, the length of the protective cover 14 is greater than the width of the contactor housing 3, and the width of the protective cover 14 is greater than half of the length of the contactor housing 3, so that the contactor housing 3 can be protected by the protective cover 14.

The working principle is as follows: when the anti-false touch contactor is used, firstly, components required by the device are assembled, a box door 16 on the front surface of a circuit component box shell 1 is opened through a second rotating shaft 15, an installation plate 2 is connected with an inner surface box of the circuit component box shell 1, a buckle 8 slides according to the position of a connecting hole 5 on a contactor shell 3, the buckle 8 slides in a limiting sliding groove 7, after the buckle 8 corresponds to the position of the connecting hole 5, the sliding buckle 8 stops sliding, a sliding block 11 at the bottom of the buckle 8 is contacted with the side wall of the limiting sliding groove 7, and the buckle 8 is ensured not to move under the condition that hands are not pushed.

The electric wire is placed below the wiring bolt 6 through the retaining ring 8, the contactor can be installed by rotating the wiring bolt 6 to fix the tail end of the electric wire, after the contactor is installed, the protective cover 14 is rotated through the first rotating shaft 13, the protective covers 14 on the upper side and the lower side of the contactor shell 3 completely cover the contactor shell 3 in the protective covers 14, the contactor shell 3 is prevented from being contacted with the contactor shell 3 by mistake, the above is the working process of the device, and the content which is not described in detail in the specification, such as the limiting sliding grooves 7 of the fixing bolt 4, and the like, belong to the prior art which is well known by a person skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a prevent mistake touch contactor, includes circuit element case shell (1), second rotation axis (15), chamber door (16), hasp (17) and control switch (18), its characterized in that: the circuit element box comprises a circuit element box shell (1), a mounting plate (2) is arranged in the circuit element box shell (1), a contactor shell (3) is arranged on the front surface of the mounting plate (2), fixing bolts (4) are arranged on the upper side and the lower side of the front surface of the contactor shell (3), a connecting hole (5) is formed in the inner side of each fixing bolt (4), a wiring bolt (6) is arranged in each connecting hole (5), limiting sliding grooves (7) are formed in the upper side and the lower side of each fixing bolt (4), retaining rings (8) are arranged in the limiting sliding grooves (7), fixing blocks (9) are arranged in the tail ends of the retaining rings (8), telescopic springs (10) are connected to two sides of each fixing block (9), sliding blocks (11) are connected to the tail ends of the telescopic springs (10), and fixing supports (12) are arranged on the left side and the right side of the contactor shell (3), the upper end of fixed bolster (12) is provided with first rotation axis (13), safety cover (14) have been cup jointed in the outside of first rotation axis (13), second rotation axis (15) are installed in the left side of circuit component case shell (1) front surface, the surface mounting of second rotation axis (15) has chamber door (16), the right side of circuit component case shell (1) front surface is fixed with hasp (17), the inboard of connecting hole (5) is provided with control switch (18).

2. The anti-false touch contactor according to claim 1, wherein: the height and the width of mounting panel (2) all equal with inside height, the width of circuit component case shell (1), be fixed connection between the inner wall of mounting panel (2) and circuit component case shell (1), the distance between the front surface of the front surface circuit component case shell (1) of mounting panel (2) is less than 5 centimetres.

3. The anti-false touch contactor according to claim 1, wherein: fixing bolt (4) are provided with 4, and fixing bolt (4) install respectively at the upper and lower both ends of contactor shell (3), contactor shell (3) constitute fixed connection through between fixing bolt (4) and mounting panel (2).

4. The anti-false touch contactor according to claim 1, wherein: the length of spacing spout (7) is less than the width of mounting panel (2), both ends about contactor shell (3) are seted up respectively in spacing spout (7).

5. The anti-false touch contactor according to claim 1, wherein: the number of the snap rings (8) is 4, the snap rings (8) are installed inside the limiting sliding grooves (7), the snap rings (8) are in sliding connection with the limiting sliding grooves (7), the tail ends of the snap rings (8) are of hollow structures, and the sliding blocks (11) form telescopic structures at the tail ends of the snap rings (8) through the telescopic springs (10).

6. The anti-false touch contactor according to claim 1, wherein: fixed bolster (12) symmetry sets up the both sides in contactor shell (3), protective cover (14) constitute revolution mechanic through between first rotation axis (13) and fixed bolster (12), the length of protective cover (14) is greater than the width of contactor shell (3), the width of protective cover (14) is greater than half of the length of contactor shell (3).