CN211700591U

CN211700591U - Standard residual current operated protector (RCD) right end subassembly

Info

Publication number: CN211700591U
Application number: CN202020805240.XU
Authority: CN
Inventors: 李永旺
Original assignee: Tianjin Jinlefeng Hardware Accessories Co ltd
Current assignee: Tianjin Jinlefeng Hardware Accessories Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-10-16
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a standard type residual current operated protective device (RCD) right-hand member subassembly, including terminal installation piece and pulling piece, the inside mounting groove of having seted up of terminal installation piece, wherein, the mounting groove bottom is fixed with down the terminal, first thread groove has been seted up down between terminal and the mounting groove, the second thread groove has been seted up at the mounting groove top, the fixed slot has been seted up at second thread groove top. This standard type residual current operated protection ware (RCD) right-hand member subassembly is provided with the second thread groove and can carries out the screw thread slip through rotating the screw, so that the screw can carry out the screw thread slip with the second thread groove when screw and second thread groove screw thread slip, can rotate with the bearing during screw thread slip, can drive the bearing and remove with the upper end when screw and bearing are rotatory, can extrude the power cord when the upper end removes lower terminal top fixedly, make things convenient for the power cord to carry out quick fixation.

Description

Standard residual current operated protector (RCD) right end subassembly

Technical Field

The utility model relates to a power protection equipment technical field specifically is a standard type residual current operated protection ware (RCD) right-hand member subassembly.

Background

A residual current operated protector, RCD for short, and a residual current protector for short are installed in a low-voltage power grid, and the residual current operated protector is an effective protective measure for preventing personal electric shock, electric fire and electric equipment damage. The residual current operated protectors are widely popularized and used in low-voltage power grids by establishing corresponding electrical installation regulations and electricity utilization regulations of countries and international electrotechnical committees in the world. The residual current operated protector and the power line need to be connected through a terminal.

The right end subassembly of a standard residual current operated protector (RCD) on the market at present has many defects, so that power lines are inconvenient to clamp, screws are inconvenient to protect, and a sealing plate is inconvenient to position, so that the technology capable of improving the structure of the right end subassembly of the standard residual current operated protector (RCD) is urgently needed on the market to perfect the equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a standard type residual current operated protective device (RCD) right-hand member subassembly to there are many defects in standard type residual current operated protective device (RCD) right-hand member subassembly on the existing market that the solution above-mentioned background art provided, inconvenient power cord clamp closes, inconvenient screw protection, the problem of the inconvenient location of closure plate.

In order to achieve the above object, the utility model provides a following technical scheme: a right end subassembly of a standard type residual current operated protector (RCD) comprises a terminal mounting block and a pulling block, wherein the terminal mounting block is internally provided with a mounting groove,

a lower terminal is fixed at the bottom of the mounting groove, a first thread groove is formed between the lower terminal and the mounting groove, a second thread groove is formed at the top of the mounting groove, a fixing groove is formed at the top of the second thread groove, a screw is connected between the first thread groove and the second thread groove, a bearing is connected to one side of the screw, an upper terminal is fixed to one side of the bearing, and a first connecting groove is formed in one side of the fixing groove;

the locating slot has been seted up to first connecting groove bottom, the inside gomphosis of first connecting groove has the closing plate, the closing plate top is fixed with promotes the piece, promote and seted up the second spread groove between piece and the closing plate, the spacing groove has been seted up to second spread groove both sides, the inside gomphosis of spacing groove has the stopper, be fixed with the locating lever between the stopper, be close to the locating lever one end is fixed with the fixed bolster, the pulling piece is fixed at the locating lever other end.

Preferably, the first thread groove and the second thread groove are cylindrical with the screw, the first thread groove and the second thread groove are in threaded connection with the screw, and a rotary structure is formed between the screw and the bearing.

Preferably, the first connecting groove and the closing plate are rectangular, the vertical section of the first connecting groove is the same as the vertical section of the closing plate in size, and the first connecting groove is in sliding connection with the closing plate.

Preferably, constant head tank, second spread groove, locating lever and fixed bolster are cylindric together, and the diameter of constant head tank, second spread groove, the diameter of locating lever and the diameter size of fixed bolster are the same to the fixed bolster is the rubber material.

Preferably, the limiting grooves and the limiting blocks are arranged in two groups, the limiting grooves are in sliding connection with the limiting blocks, and the maximum sliding distance of the limiting blocks is not more than the length of the limiting grooves.

Compared with the prior art, the beneficial effects of the utility model are that: the right end subassembly of the standard type residual current operated protector (RCD):

1. be provided with the second thread groove and can carry out the screw thread slip through rotating the screw to the screw can carry out the screw thread slip with the second thread groove when screw and second thread groove screw thread slip, can rotate with the bearing during screw thread slip, can drive the bearing and remove with the upper terminal when screw and bearing are rotatory, can extrude fixedly to the power cord when the upper terminal removes lower terminal top, makes things convenient for the power cord to carry out quick fixation.

2. Be provided with the closing plate and can promote the piece through the pulling and remove to can slide with first connecting groove when the closing plate removes, the closing plate can shelter from the screw when the closing plate slides screw top, makes things convenient for the screw to shelter from the protection when not using.

3. Be provided with the closing plate and shelter from the back closing plate to the screw and can drive the locating lever and remove to the constant head tank top, can press the pulling piece when the locating lever removes the constant head tank top and remove, can drive the locating lever when the pulling piece removes and remove, can drive the fixed bolster when the locating lever removes and remove, can extrude the constant head tank when the fixed bolster removes, can produce deformation through fixed bolster self rubber material when the fixed bolster extrudees the constant head tank, can extrude fixedly the constant head tank after the fixed bolster deformation, make things convenient for the closing plate to close and can fix a position.

Drawings

FIG. 1 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 2 is a front view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic view of part a of the present invention.

In the figure: 1. a terminal mounting block; 2. mounting grooves; 3. a lower terminal; 4. a first thread groove; 5. a second thread groove; 6. fixing grooves; 7. a screw; 8. a bearing; 9. an upper terminal; 10. a first connecting groove; 11. positioning a groove; 12. a closing plate; 13. a pushing block; 14. a second connecting groove; 15. a limiting groove; 16. a limiting block; 17. positioning a rod; 18. a fixing pad; 19. and pulling the block.

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. 1-3, the present invention provides a technical solution: the utility model provides a right-hand member subassembly of standard type residual current operated protective device (RCD), includes terminal installation piece 1, mounting groove 2, lower terminal 3, first thread groove 4, second thread groove 5, fixed slot 6, screw 7, bearing 8, upper end 9, first connecting groove 10, constant head tank 11, closing plate 12, promotes piece 13, second connecting groove 14, spacing groove 15, stopper 16, locating lever 17, fixed bolster 18 and pulling piece 19, mounting groove 2 has been seted up to terminal installation piece 1 inside.

A lower terminal 3 is fixed at the bottom of the mounting groove 2, a first thread groove 4 is formed between the lower terminal 3 and the mounting groove 2, the first thread groove 4, a second thread groove 5 and a screw 7 are both cylindrical, the first thread groove 4, the second thread groove 5 and the screw 7 are in threaded connection, a rotating structure is formed between the screw 7 and a bearing 8, the screw 7 can slide in a threaded manner with the second thread groove 5 while the screw 7 slides in a threaded manner with the second thread groove 5, the screw 7 can rotate with the bearing 8 while sliding in a threaded manner, the bearing 8 and an upper terminal 9 can be driven to move while the screw 7 and the bearing 8 rotate, the second thread groove 5 is formed at the top of the mounting groove 2, a fixing groove 6 is formed at the top of the second thread groove 5, and the screw 7 is connected between the first thread groove 4 and the second thread groove 5, screw 7 one side is connected with bearing 8, bearing 8 one side is fixed with last terminal 9, first connecting groove 10 has been seted up to fixed slot 6 one side, first connecting groove 10 is the rectangle form with closing plate 12 together, and the vertical cross-section of first connecting groove 10 is the same with closing plate 12's vertical cross-sectional dimension to be sliding connection between first connecting groove 10 and the closing plate 12, the pulling promotes piece 13 and can drive closing plate 12 and remove, can slide with first connecting groove 10 when closing plate 12 removes, closing plate 12 can shelter from screw 7 when closing plate 12 slides screw 7 top.

The bottom of the first connecting groove 10 is provided with a positioning groove 11, the second connecting groove 14, the positioning rod 17 and the fixing pad 18 are cylindrical, the diameter of the positioning groove 11, the diameter of the second connecting groove 14 and the diameter of the positioning rod 17 are the same as the diameter of the fixing pad 18, the fixing pad 18 is made of rubber, the positioning rod 17 can move by pressing a pulling block 19 when moving to the top of the positioning groove 11, the pulling block 19 can move to drive the positioning rod 17, the positioning rod 17 can move to drive the fixing pad 18 to move, the fixing pad 18 can extrude the positioning groove 11 when moving, the fixing pad 18 can deform the positioning groove 11 by the rubber material of the fixing pad 18, the positioning groove 11 can be extruded and fixed after the fixing pad 18 deforms, the sealing plate 12 is embedded in the first connecting groove 10, the top of the sealing plate 12 is fixed with a pushing block 13, promote and seted up second spread groove 14 between piece 13 and the closing plate 12, spacing groove 15 has been seted up to second spread groove 14 both sides, spacing groove 15 is provided with two sets ofly with stopper 16, and is sliding connection between spacing groove 15 and the stopper 16 to stopper 16 maximum sliding distance is no longer than spacing groove 15 self length, and locating lever 17 can drive stopper 16 when removing the removal and remove, can slide with spacing groove 15 when stopper 16 removes, the inside gomphosis of spacing groove 15 has stopper 16, be fixed with locating lever 17 between the stopper 16, be close to constant head tank 11 locating lever 17 one end is fixed with fixed bolster 18, pull piece 19 and fix at the locating lever 17 other end.

The working principle is as follows: when the standard type residual current operated protector (RCD) right end subassembly is used, firstly, the standard type residual current operated protector (RCD) right end subassembly needs to be simply known, when the standard type residual current operated protector (RCD) right end subassembly is used, a power line is placed between a lower terminal 3 and an upper terminal 9, a rotating screw 7 can perform threaded sliding with a second thread groove 5, the screw 7 can perform threaded sliding with the second thread groove 5 while the screw 7 performs threaded sliding with the second thread groove 5, the screw 7 can rotate with a bearing 8 while performing threaded sliding, the screw 7 and the bearing 8 can drive the bearing 8 and the upper terminal 9 to move while rotating, when the upper terminal 9 moves to the top of the lower terminal 3, the power line can be extruded and fixed, when the power line is fixed, a pushing block 13 is pulled to drive a closing plate 12 to move, when the closing plate 12 moves, the closing plate 12 can slide with a first connecting groove 10, when the closing plate 12 slides to the top of the screw 7, the closing plate 12 can shield the screw 7, after the closing plate 12 shields the screw 7, the closing plate 12 can drive the positioning rod 17 to move to the top of the positioning groove 11, when the positioning rod 17 moves to the top of the positioning groove 11, the pulling block 19 can be pressed to move, when the pulling block 19 moves, the positioning rod 17 can be driven to move, when the positioning rod 17 moves, the fixing pad 18 can be driven to move, when the fixing pad 18 moves, the positioning groove 11 can be extruded, when the fixing pad 18 extrudes the positioning groove 11, the fixing pad 18 can be deformed by rubber materials of the fixing pad 18, and after the fixing pad 18 is deformed, the positioning groove 11 can be extruded and fixed.

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. A standard type Residual Current Device (RCD) right end subassembly comprising a terminal mounting block (1) and a pull block (19), characterized in that: the terminal mounting block (1) is internally provided with a mounting groove (2), wherein,

a lower terminal (3) is fixed at the bottom of the mounting groove (2), a first threaded groove (4) is formed between the lower terminal (3) and the mounting groove (2), a second threaded groove (5) is formed in the top of the mounting groove (2), a fixing groove (6) is formed in the top of the second threaded groove (5), a screw (7) is connected between the first threaded groove (4) and the second threaded groove (5), a bearing (8) is connected to one side of the screw (7), an upper terminal (9) is fixed to one side of the bearing (8), and a first connecting groove (10) is formed in one side of the fixing groove (6);

constant head tank (11) have been seted up to first connecting groove (10) bottom, the inside gomphosis of first connecting groove (10) has closing plate (12), closing plate (12) top is fixed with promotes piece (13), promote second connecting groove (14) between piece (13) and closing plate (12), spacing groove (15) have been seted up to second connecting groove (14) both sides, the inside gomphosis of spacing groove (15) has spacing piece (16), be fixed with locating lever (17) between spacing piece (16), be close to constant head tank (11) locating lever (17) one end is fixed with fixed bolster (18), it fixes the other end at locating lever (17) to pull piece (19).

2. A standard Residual Current Device (RCD) right end subassembly according to claim 1, wherein: the first thread groove (4), the second thread groove (5) and the screw (7) are cylindrical, the first thread groove (4), the second thread groove (5) and the screw (7) are in threaded connection, and a rotating structure is formed between the screw (7) and the bearing (8).

3. A standard Residual Current Device (RCD) right end subassembly according to claim 1, wherein: the first connecting groove (10) and the closing plate (12) are rectangular, the vertical section of the first connecting groove (10) is the same as that of the closing plate (12), and the first connecting groove (10) is in sliding connection with the closing plate (12).

4. A standard Residual Current Device (RCD) right end subassembly according to claim 1, wherein: the positioning groove (11), the second connecting groove (14), the positioning rod (17) and the fixing pad (18) are cylindrical, the diameter of the positioning groove (11), the diameter of the second connecting groove (14), the diameter of the positioning rod (17) and the diameter of the fixing pad (18) are the same in size, and the fixing pad (18) is made of rubber.

5. A standard Residual Current Device (RCD) right end subassembly according to claim 1, wherein: the limiting groove (15) and the limiting block (16) are provided with two groups, the limiting groove (15) and the limiting block (16) are in sliding connection, and the maximum sliding distance of the limiting block (16) does not exceed the length of the limiting groove (15).