阅读说明：本技术 一种插入式剩余动作电流保护器机械五防闭锁机构 (Mechanical five-prevention locking mechanism of plug-in residual action current protector ) 是由 宋华云 于 2021-06-17 设计创作，主要内容包括：本发明公开了一种插入式剩余动作电流保护器机械五防闭锁机构,包括套管、传动臂、闭锁块、复归按钮和线圈,所述套管的内部插接有升降杆,所述套管的内壁一体成型有环状折边,所述升降杆的外壁焊接有挡环。本装置直接作用于保护器本体的脱扣机构上,在插入时插头先接触进出线侧导体一段行程后复归按钮才被压下,在取出时插头还没有离开进出线导体之前复归按钮就已弹出,这样一来在复归按钮没有被压下时,本体主开关及合闸按钮将始终无法按下,本体主开关将无法合闸,以防止本体主开关处于合闸装态下带负荷插入插座,造成带负荷操作,保护了人员的人身安全,而且不要求更换人员具备专业的电气知识。(The invention discloses a mechanical five-prevention locking mechanism of an insertion type residual action current protector, which comprises a sleeve, a transmission arm, a locking block, a resetting button and a coil, wherein a lifting rod is inserted into the sleeve, an annular folded edge is integrally formed on the inner wall of the sleeve, and a retaining ring is welded on the outer wall of the lifting rod. This device direct action is on the tripping device of protector body, the plug just is pushed down to the reset button after contacting one section stroke of business turn over line side conductor earlier when inserting, the reset button just pops out before the plug has not left business turn over line conductor when taking out, so when the reset button is not pushed down, body main switch and closing button will be unable to press down all the time, body main switch will unable the combined floodgate, insert the socket with the load under preventing that body main switch is in combined floodgate dress attitude, cause the operation with the load, personnel's personal safety has been protected, and do not require the change person to possess professional electrical knowledge.)

1. The utility model provides a bayonet residual action current protector machinery five prevent blocked mechanical system, includes sleeve pipe (2), drive arm (3), locking piece (4), reset button (6) and coil (7), its characterized in that: the lifting rod (1) is inserted into the sleeve (2), an annular folded edge is integrally formed on the inner wall of the sleeve (2), a baffle ring (19) is welded on the outer wall of the lifting rod (1), a first spring (20) is fixed between the annular folded edge and the baffle ring (19), and the first spring (20) is sleeved on the outer wall of the lifting rod (1);

the top of the lifting rod (1) is welded with two groups of rotating seats (11), a pin shaft (10) is connected between the two groups of rotating seats (11) in a pin mode, a sliding groove (18) is formed in the surface of the transmission arm (3), the pin shaft (10) is connected to the inside of the sliding groove (18) in a sliding mode, the transmission arm (3) is arranged between the two groups of rotating seats (11), the side walls of the two sides of the transmission arm (3) are respectively welded with a second rotating shaft (9), and the top of the transmission arm (3) is in contact with the bottom of the locking block (4);

the locking device is characterized in that a first electromagnet core hole (12), a locking hole (13) and a second electromagnet core hole (14) are formed in the surface of the locking block (4), the first electromagnet core hole (12) and the second electromagnet core hole (14) are communicated with each other, an iron core (16) is arranged at one end of the coil (7), a neck is arranged at one end of the iron core (16), a baffle (15) is welded at one end of the neck, the neck is inserted into the first electromagnet core hole (12), a second spring (21) is assembled inside the resetting button (6), a protruding head (5) is arranged at the bottom end of the resetting button (6), and first rotating shafts (8) are welded on two sides of the locking block (4) respectively.

2. The mechanical fail-safe locking mechanism of claim 1, wherein: the diameter of the baffle ring (19) is the same as that of the annular folded edge, the annular folded edge is attached to the outer wall of the lifting rod (1), and the baffle ring (19) is attached to the inner wall of the sleeve (2).

3. The mechanical fail-safe locking mechanism of claim 1, wherein: the diameter of the pin shaft (10) is the same as the height of the sliding groove (18), and the width of the transmission arm (3) is the same as the distance between the two groups of rotating seats (11).

4. The mechanical fail-safe locking mechanism of claim 1, wherein: the diameter of the first electromagnet core hole (12) is the same as that of the neck, and the baffle (15) is attached to the surface of the locking block (4).

5. The mechanical fail-safe locking mechanism of claim 1, wherein: the outer wall of the first spring (20) is attached to the inner wall of the sleeve (2), and the outer wall of the second spring (21) is attached to the inner wall of the reset button (6).

6. The mechanical fail-safe locking mechanism of claim 1, wherein: the top of one end, far away from the sliding groove (18), of the transmission arm (3) is integrally formed with an end head (17), the top of the end head (17) is of an arc surface structure, and the end head (17) is in contact with the bottom of the locking block (4).

7. The mechanical fail-safe locking mechanism of claim 1, wherein: an insert is integrally formed on the surface of the protruding head (5), the thickness of the insert is the same as that of the locking hole (13), and one end, close to the locking hole (13), of the insert is of an arc surface structure.

Technical Field

The invention belongs to the technical field of electrical technology, and particularly relates to a mechanical five-prevention locking mechanism of an insertion type residual action current protector.

Background

The installation of the residual current action protector in the low-voltage power grid is an effective protection measure for preventing personal electric shock, electric fire and electric equipment damage, a product series of the residual current protector which is complete in variety and specification and accords with the international IEC standard is formed through continuous improvement and development, and the residual current action protector plays an important role in the safety protection of the low-voltage power grid, particularly the safety protection of the rural low-voltage power grid;

the existing residual action current protector has higher professional requirement when being replaced, and can be replaced only by electrical professionals, and has great safety risk when being replaced.

Therefore, a mechanical five-prevention locking mechanism of the plug-in residual action current protector is provided to solve the problems in the prior art, reduce the learning cost of replacing the residual action current protector and protect the personal safety of personnel.

Disclosure of Invention

The invention aims to provide a mechanical five-prevention locking mechanism of an insertion type residual action current protector, which aims to solve the problems that the prior art needs higher learning cost for replacing the residual action current protector and the personal safety of a replacing person cannot be guaranteed.

In order to achieve the purpose, the invention adopts the following technical scheme: a mechanical five-prevention locking mechanism of an insertion type residual action current protector comprises a sleeve, a transmission arm, a locking block, a resetting button and a coil, wherein a lifting rod is inserted into the sleeve, an annular folded edge is integrally formed on the inner wall of the sleeve, a baffle ring is welded on the outer wall of the lifting rod, a first spring is fixed between the annular folded edge and the baffle ring, and the first spring is sleeved on the outer wall of the lifting rod;

two groups of rotating seats are welded at the top of the lifting rod, a pin shaft is connected between the two groups of rotating seats in a pin joint mode, a sliding groove is formed in the surface of the transmission arm, the pin shaft is connected inside the sliding groove in a sliding mode, the transmission arm is arranged between the two groups of rotating seats, second rotating shafts are welded on the side walls of the two sides of the transmission arm respectively, and the top of the transmission arm is in contact with the bottom of the locking block;

the locking device comprises a locking block and is characterized in that a first electromagnet core hole, a locking hole and a second electromagnet core hole are formed in the surface of the locking block, the first electromagnet core hole is communicated with the second electromagnet core hole, an iron core is arranged at one end of a coil, a neck is arranged at one end of the iron core, a baffle is welded at one end of the neck, the neck is inserted into the first electromagnet core hole, a second spring is assembled inside a resetting button, a protruding head is arranged at the bottom end of the resetting button, and first rotating shafts are welded on two sides of the locking block respectively.

Preferably, the diameter of the baffle ring is the same as that of the annular folded edge, the annular folded edge is attached to the outer wall of the lifting rod, and the baffle ring is attached to the inner wall of the sleeve.

Preferably, the diameter of the pin shaft is the same as the height of the sliding groove, and the width of the transmission arm is the same as the distance between the two groups of rotating seats.

Preferably, the diameter of the first electromagnet core hole is the same as that of the neck, and the baffle is attached to the surface of the locking block.

Preferably, the outer wall of the first spring is attached to the inner wall of the sleeve, and the outer wall of the second spring is attached to the inner wall of the reset button.

Preferably, the top of one end, away from the sliding groove, of the transmission arm is integrally formed with a tip, the top of the tip is provided with an arc surface structure, and the tip is in contact with the bottom of the locking block.

Preferably, an insert is integrally formed on the surface of the protruding head, the thickness of the insert is the same as that of the locking hole, and one end of the insert, which is close to the locking hole, is provided with an arc-shaped structure.

The invention has the technical effects and advantages that: compared with the prior art, the mechanical five-prevention locking mechanism of the plug-in residual action current protector provided by the invention has the following advantages:

this device direct action is on the tripping device of protector body, the plug just is pushed down to the reset button after contacting one section stroke of business turn over line side conductor earlier when inserting, the reset button just pops out before the plug has not left business turn over line conductor when taking out, so when the reset button is not pushed down, body main switch and closing button will be unable to press down all the time, body main switch will unable the combined floodgate, insert the socket with the load under preventing that body main switch is in combined floodgate dress attitude, cause the operation with the load, personnel's personal safety has been protected, and do not require the change person to possess professional electrical knowledge.

Drawings

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

FIG. 2 is a schematic diagram of the connection structure of the head and the locking block according to the present invention;

FIG. 3 is a schematic diagram of the main structure of the locking block and the head of the present invention;

FIG. 4 is a schematic view of the connecting structure of the lifter and the driving arm according to the present invention;

FIG. 5 is a schematic view of the internal structure of the bushing of the present invention;

fig. 6 is a schematic view of the internal structure of the reset button according to the present invention.

In the figure: 1. a lifting rod; 2. a sleeve; 3. a drive arm; 4. a locking block; 5. a protruding head; 6. a reset button; 7. a coil; 8. a first rotating shaft; 9. a second rotating shaft; 10. a pin shaft; 11. a rotating seat; 12. a first electromagnet core bore; 13. a locking hole; 14. a second electromagnet core bore; 15. a baffle plate; 16. an iron core; 17. a tip; 18. a chute; 19. a baffle ring; 20. a first spring; 21. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a mechanical five-prevention locking mechanism of a plug-in residual action current protector, which is shown in figures 1-6 and comprises a sleeve 2, a transmission arm 3, a locking block 4, a reset button 6 and a coil 7;

a lifting rod 1 is inserted into the sleeve 2, an annular folded edge is integrally formed on the inner wall of the sleeve 2, a baffle ring 19 is welded on the outer wall of the lifting rod 1, a first spring 20 is fixed between the annular folded edge and the baffle ring 19, and the first spring 20 is sleeved on the outer wall of the lifting rod 1;

the top of the lifting rod 1 is welded with two groups of rotating seats 11, a pin shaft 10 is connected between the two groups of rotating seats 11 in a pin joint mode, the surface of the transmission arm 3 is provided with a sliding groove 18, the pin shaft 10 is connected inside the sliding groove 18 in a sliding mode, the transmission arm 3 is arranged between the two groups of rotating seats 11, the side walls of the two sides of the transmission arm 3 are respectively welded with a second rotating shaft 9, and the top of the transmission arm 3 is in contact with the bottom of the locking block 4;

the surface of the locking block 4 is provided with a first electromagnet core hole 12, a locking hole 13 and a second electromagnet core hole 14, the first electromagnet core hole 12 is communicated with the second electromagnet core hole 14, one end of the coil 7 is provided with an iron core 16, one end of the iron core 16 is provided with a neck, one end of the neck is welded with a baffle 15, the neck is inserted into the first electromagnet core hole 12, the inside of the reset button 6 is provided with a second spring 21, the bottom end of the reset button 6 is provided with a protruding head 5, two sides of the locking block 4 are respectively welded with a first rotating shaft 8, when the locking block 4 rotates clockwise, the locking block 4 is in contact with a transmission rod of a protected tripping mechanism, so that the main protected tripping mechanism is always in a tripping state, and the locking cannot be switched on;

the diameter of the baffle ring 19 is the same as that of the annular folded edge, the annular folded edge is attached to the outer wall of the lifting rod 1, the baffle ring 19 is attached to the inner wall of the sleeve 2, the first spring 20 is compressed through the annular folded edge and the baffle ring 19, and meanwhile, the friction between the lifting rod 1 and the sleeve 2 can be increased through the annular baffle edge and the baffle ring 19;

the diameter of the pin shaft 10 is the same as the height of the sliding groove 18, the width of the transmission arm 3 is the same as the distance between the two groups of rotating seats 11, and the pin shaft 10 can be clamped inside the sliding groove 18, so that the vertical limiting effect on the transmission arm 3 is achieved through the pin shaft 10, the transmission arm 3 is prevented from deviating in the vertical direction, meanwhile, the width of the transmission arm 3 is the same as the width between the two groups of rotating seats 11, the transmission arm 3 can be limited in the horizontal position, and the transmission arm 3 is prevented from deviating in the horizontal state;

the diameter of the first electromagnet core hole 12 is the same as that of the neck, the baffle 15 is attached to the surface of the locking block 4, the first electromagnet core hole 12 can be driven to synchronously rotate when the locking block 4 rotates, and the first electromagnet core hole 12 can be driven to be clamped on the surface of the neck when the locking block 4 rotates clockwise;

the outer wall of the first spring 20 is attached to the inner wall of the sleeve 2, the outer wall of the second spring 21 is attached to the inner wall of the reset button 6, the first spring 20 and the second spring 21 can be limited, and the first spring 20 and the second spring 21 are prevented from being kept in a vertical state all the time when being compressed;

the top of one end, far away from the sliding groove 18, of the driving arm 3 is integrally formed with an end head 17, the top of the end head 17 is provided with an arc-shaped structure, the end head 17 is in contact with the bottom of the locking block 4, and the end head 17 with the arc-shaped structure can reduce friction between the bottom of the locking block 4 and the driving arm 3, so that friction resistance between the driving arm 3 and the locking block 4 is reduced, and response between the driving arm 3 and the locking block 4 is faster;

the surface integrated into one piece of protruding head 5 has the inserted block, and the thickness of inserted block is the same with the thickness of locking hole 13, and the one end that the inserted block is close to locking hole 13 sets up to cambered surface structure, and the inserted block of cambered surface structure can prevent that locking block 4 from receiving blockking of inserted block when driving locking hole 13 rotatory to prevent that the inserted block from blocking the post when removing and leading to reset button 6 can't reset.

When the plug is inserted, the plug contacts the inlet and outlet wire side conductor for a certain stroke, then the reset button 6 is pressed, when the reset button 6 is pressed, the protruding head 5 is driven to descend together, at the moment, the second spring 21 is in a compressed state, when the protruding head 5 is pressed, the inserting block is driven to move synchronously, the locking block 4 is extruded through the inserting block, when the locking block 4 is extruded, the locking block 4 rotates anticlockwise through the first rotating shaft 8, the inserting block is clamped inside the locking hole 13 along with the rotation of the locking block 4, meanwhile, the locking block 4 extrudes the transmission arm 3 through the end 17 when rotating, the transmission arm 3 rotates through the second rotating shaft 9, at the moment, one end of the second rotating shaft 9, provided with the sliding groove 18, rises, the lifting rod 1 is driven to rise through the sliding groove 18, the rotating seat 11 and the pin shaft 10, and when the lifting rod 1 rises, the first spring 20 is compressed through the baffle ring 19 and the folded edge;

when the plug is taken out, the reset button 6 is popped before the plug does not leave the wire inlet and outlet conductor, the plug block on the surface of the protruding head 5 can be separated from the locking hole 13 and drive the locking block 4 to rotate clockwise, then the first spring 20 can drive the lifting rod 1 to reset through the baffle ring 19, so that the locking block 4 is contacted with a transmission rod of a protected tripping mechanism, the protected tripping mechanism is always in a tripping state, and the main protected tripping mechanism cannot be switched on.

Finally, it should be noted that: 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.