CN209962933U

CN209962933U - Reversing clutch mechanism

Info

Publication number: CN209962933U
Application number: CN201920383228.1U
Authority: CN
Inventors: 张江; 柯正; 王恒阳; 蒋兆勇
Original assignee: Shanghai Liangxin Electrical Co Ltd
Current assignee: Shanghai Liangxin Electrical Co Ltd
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2020-01-17
Anticipated expiration: 2029-03-25

Abstract

A reversing clutch mechanism is characterized in that: reversing clutch mechanism (2) are including drive boss (102) that are equipped with on carousel (101) in pivot (1), be equipped with a set of kicking block mounting groove one (103) and a set of kicking block mounting groove two (104) at least on drive boss (102), corresponding kicking block one (103a) and kicking block two (104a) are equipped with in a set of kicking block mounting groove one (103) and a set of kicking block mounting groove two (104), kicking block one (103a) and kicking block two (104a) looks phase are corresponding, still be equipped with kicking block shell fragment mounting groove (105) on drive boss (102), this reversing clutch mechanism can guarantee that the pivot can close the separating brake in-process commutator plate and rotor plate with the pivot separation and reunion in rotating, even the operator action delays, isolator also can reliably close the floodgate. Meanwhile, when the rotating shaft (1) rotates to the bottom, automatic reversing is realized through the reversing clutch mechanism, and then reverse operation can be carried out.

Description

Reversing clutch mechanism

Technical Field

The utility model belongs to the technical field of the switch, specifically say so and relate to a reversing clutch mechanism.

Background

The words switch are to be interpreted as open and closed. It refers to an element that can open a circuit, interrupt a current, or cause it to flow to other circuits. The most common switches are electromechanical devices that are operated by a person, in which there are one or several contacts. The "closed" of a contact indicates that the contact is conductive, allowing current to flow; an "open" of the switch indicates that the contact is not conductive, creating an open circuit, and not allowing current to flow. The development history of switches has been developed from original knife switches requiring manual operation to modern intelligent switches used in various large electrical control devices, and the functions of the switches have been increased and the safety thereof has been improved, and a rotary switch is a common switch that prevents unauthorized operation of a rotary operating device by locking a rotary operator at a specific position corresponding to a specific state of the rotary operating device. Disconnecting switches are widely used in power systems, such as photovoltaic, wind power, etc. For example, in a photovoltaic system, the smaller currents generated in each photovoltaic cell are combined in parallel to provide the current or total power required by the utilization system.

When an operating mechanism of the existing isolating switch is operated and switched on, when a rotating shaft is stressed to pass a dead point, the stress direction of the rotating shaft can be changed, and at the moment, if the operation action of an operator is delayed, a movable contact group is possibly switched on incompletely due to smaller spring force value or larger friction force.

SUMMERY OF THE UTILITY MODEL

The utility model aims at exactly being to above-mentioned current electrical switch's operating device is because the operator leads to in case the operation action is delayed at the combined floodgate in-process, make the technical defect that the movable contact combined floodgate does not put in place easily, provide a switching-over clutching mechanism, can guarantee the pivot and can with the pivot separation and reunion at rotation combined floodgate in-process reversing plate and driving plate to even realize that the operator action is delayed, isolator also can reliably close a floodgate, do not influenced by operator's operating speed, irrelevant manual operation. Meanwhile, when the rotating shaft rotates to the bottom, automatic reversing is realized through the reversing clutch mechanism, and the reverse operation can be carried out.

Technical scheme

In order to realize the technical purpose, the utility model provides a pair of switching-over clutching mechanism, its characterized in that: the reversing clutch mechanism comprises a driving boss arranged on a rotating shaft middle rotating disc, the driving boss is at least provided with a group of first ejector block installation grooves and a group of second ejector block installation grooves, the first ejector blocks and the second ejector blocks are correspondingly arranged in the group of first ejector block installation grooves and the group of second ejector block installation grooves, the same ends of the first ejector blocks and the second ejector blocks correspond to each other, the driving boss is also provided with ejector block elastic piece installation grooves, ejector block elastic pieces are arranged in the ejector block elastic piece installation grooves, one ends of the ejector block elastic pieces correspond to the first ejector blocks, and the other ends of the ejector block elastic pieces correspond to the second ejector blocks;

the switching-over board with the quotation laminating installation of carousel, the driving plate with the face laminating installation of switching-over board, kicking block one and kicking block two stretch into the switching-over board with corresponding slotted hole one and slotted hole two on the driving plate, respectively correspondingly be equipped with in slotted hole one and the slotted hole two with the protruding one and protruding two that kicking block one and kicking block two correspond, kicking block one and two one ends of kicking block are located in corresponding recess in kicking block mounting groove one and the kicking block mounting groove two, the other end with protruding one and protruding two contact and separation realize the pivot with breaking away from of switching-over board and driving plate.

Furthermore, after the reversing plate, the transmission plate and the rotating shaft move in place in the same direction, the rotating shaft continues to rotate to the bottom, and automatic reversing can be realized by utilizing the reversing clutch mechanism to perform reverse operation.

Furthermore, a set of kicking block mounting groove one and a set of kicking block mounting groove two respectively include 2 kicking block mounting grooves one and kicking block mounting groove two correspondingly.

Furthermore, one end of the first ejecting block and one end of the second ejecting block are cylinders corresponding to the grooves, the other end of the first ejecting block and the other end of the second ejecting block are planes corresponding to the first bulges and the second bulges, and four sides of each plane are rounded.

Preferably, the top block elastic sheet is in a W shape.

Advantageous effects

The utility model provides a pair of reversing clutch mechanism can guarantee that the pivot closes brake in-process switching-on/off board and rotor plate can with the separation and reunion of pivot subassembly rotating to even realize that the operator action is delayed, isolator also can accurately close a floodgate, not influenced by operator's operating speed, irrelevant manual operation. Meanwhile, when the rotating shaft rotates to the bottom, the reversing clutch mechanism realizes automatic reversing to perform reverse operation.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment of the present invention, in which a reversing plate, a transmission plate and a rotating shaft are matched.

Fig. 2 is an exploded schematic view of the embodiment of the present invention, wherein the reversing plate, the transmission plate and the rotating shaft are engaged.

Fig. 3 is a top view of the embodiment of the present invention showing the matching of the reversing plate, the driving plate and the rotating shaft.

Fig. 4 is a schematic position diagram of a driving boss in the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a driving plate in an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a reversing plate in the embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a reversing special-shaped double torsion spring in the embodiment of the present invention.

Fig. 8 is a schematic structural diagram of an ejector block spring plate in the embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a first top block or a second top block in the embodiment of the present invention.

Fig. 10 is a schematic top view of the internal structure of the electrical switch according to the embodiment of the present invention.

Fig. 11 is a schematic view of the internal structure of the electrical switch according to the embodiment of the present invention.

Fig. 12 is a schematic diagram illustrating the state that the rotating shaft assembly starts to rotate clockwise according to the embodiment of the present invention.

Fig. 13 is a schematic diagram of the state of the torsion spring operating at the force balance point in the embodiment of the present invention.

Fig. 14 is a schematic diagram of the state of the operating torsion spring just passing the force balance point in the embodiment of the present invention.

Fig. 15 is a schematic diagram of the state of the reversing special-shaped double torsion spring just passing through the stress balance point in the embodiment of the present invention.

Fig. 16 is a schematic view of the rotation of the rotating shaft in place in the embodiment of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1, 2, 3, 10 and 11, a rotary operating structure, which includes a rotary shaft 1, the rotating shaft 1 can drive the reversing plate 3 and the transmission plate 4 to move together through the reversing clutch mechanism 2, the reversing plate 3 is connected with a reversing special-shaped double torsion spring 5, a bearing 10 is arranged in a bearing hole 402 on the transmission plate 4, the bearing 10 is connected with an operation torsion spring 6, in the process that the rotating shaft 1 drives the reversing plate 3 and the transmission plate 4 to move together, the reversing clutch mechanism 2 can enable the reversing plate 3 and the transmission plate 4 to be separated from the rotating shaft 1, the transmission plate 4 can continue to rotate in the same direction under the action of the operation torsion spring 6 after being separated from the rotating shaft 1, one end of the operation torsion spring 6 is installed in the rotation shaft hole 402 of the driving plate 4, and the other end is installed in the operation torsion spring installation hole 702 of the upper cover 7. The reversing plate 3 can continue to rotate in the same direction under the action of the reversing special-shaped double torsion spring 5 after being separated from the rotating shaft 1. In this embodiment, as shown in fig. 7, the reversing special-shaped double torsion spring 5 includes two spiral coils, starting points of the two spiral coils are on the same plane, and mounting feet at two ends of the two spiral coils are arranged in opposite directions or in the same direction. The rotating shaft 1, the reversing plate 3 and the transmission plate 4 are arranged in an accommodating cavity formed by the upper cover 7 and the base 8, the driving handle 107 in the rotating shaft 1 penetrates out of the through hole 703 of the upper cover 7, and the bottom plate 9 is tightly attached to the outer side of the transmission plate 4 for surface mounting. The mounting base 8 is provided with a second limit boss 801 capable of limiting the rotation stroke of the rotating shaft 1.

In the process that the rotating shaft 1 drives the reversing plate 3 and the transmission plate 4 to move clockwise, the operation torsion spring 6 reaches a stress balance point before the reversing special-shaped double-torsion spring 5.

Specifically, as shown in fig. 2 and 4, the reversing clutch mechanism 2 includes a driving boss 102 provided on a middle rotary plate 101 of the rotary shaft 1, the driving boss 102 is provided with at least one set of a first top block mounting groove 103 and a second top block mounting groove 104, a first top block 103a and a second top block 104a are correspondingly provided in the set of the first top block mounting groove 103 and the set of the second top block mounting groove 104, the same end of the first top block 103a corresponds to the same end of the second top block 104a, in this embodiment, each of the set of the first top block mounting groove 103 and the set of the second top block mounting groove 104 respectively includes 2 first top block mounting grooves and two top block mounting grooves. The driving boss 102 is further provided with a top block spring piece installation groove 105, as shown in fig. 8, a W-shaped top block spring piece 106 is installed in the top block spring piece installation groove 105, one end of the W-shaped top block spring piece corresponds to the first top block 103a, and the other end of the W-shaped top block spring piece corresponds to the second top block 104 a;

as shown in fig. 2, 5 and 6, the reversing plate 3 is attached to the surface of the turntable 101, and a first limiting boss 102a is disposed on the outer edge of the turntable 101 to limit the rotation direction of the rotating shaft 1. The transmission plate 4 with the face laminating installation of reversing plate 3, kicking block one 103a and kicking block two 104a stretch into reversing plate 3 with corresponding slotted hole one 301 and slotted hole two 401 on the transmission plate 4, be equipped with respectively in slotted hole one 301 and the slotted hole two 401 with the corresponding protruding one 301a and protruding two 401a of kicking block one 103a and kicking block two 104a correspondence, kicking block one 103a and kicking block two 104a one end is located corresponding recess 103b in kicking block mounting groove one 103 and kicking block mounting groove two 104, in 104b, the other end with protruding one 301a and protruding two 401 a's contact and separation realize pivot 1 with the breaking away from of reversing plate 3 and transmission plate 4.

As shown in fig. 9, one end of the first top block 103a and the second top block 104a is a cylinder corresponding to the

grooves

103b,104b, and the other end is a plane corresponding to the first protrusion 301a and the second protrusion 401 a.

As shown in fig. 12, at this time, the reversing plate 3 presses the first top block 103a to contract, so that the second top block 104a expands outward, and the second top block 104a contacts with the corresponding second protrusion 401 a. The operation rotating shaft 1 rotates clockwise, the driving boss 102 pushes the first top block 103a and the second top block 104a to rotate, and the second top block 104a pushes the transmission plate 4 and the reversing plate 3 to rotate together. As shown in fig. 13, when the rotating shaft 1 rotates to operate the torsion spring 6 and just reaches the force balance point, the reversing special-shaped double torsion spring 5 does not reach the force balance point at the moment.

As shown in fig. 14, when the rotating shaft 1 rotates to a point where the operation torsion spring 6 just passes through the force balance point, and the force direction of the transmission plate 4 changes, under the action of the force of the operation torsion spring 6, the transmission plate 4 directly moves in place without being influenced by the operation speed of the operator, and the transmission plate 4 presses the second top block 104a to contract and is separated from the corresponding second protrusion 401 a. At this time, the reversing special-shaped double torsion spring 5 does not reach the stress balance point.

At this time, the first limit boss 102a on the turntable 101 prevents the reverse operation when the rotating shaft 1 is not rotated in place after the transmission plate 4 passes the dead point, as shown in fig. 14.

As shown in fig. 15, when the rotating shaft 1 continues to rotate to a point where the reversing special-shaped double torsion spring 5 just passes the stress balance point, the reversing plate 3 changes due to the stress direction, the mounting foot of the reversing special-shaped double torsion spring 5 mounted on the reversing plate 3 moves in place along the sliding slot hole 101a of the reversing special-shaped double torsion spring on the turntable 101, so that the reversing plate 3 can rotate in place relative to the rotating shaft 1 under the action of the reversing special-shaped double torsion spring 5 and cannot continue to rotate.

After the rotating shaft 1 continues to rotate to the bottom, the reversing plate 3 is driven by the rotating shaft 1 to move to the bottom and is limited by the second limiting boss 801 on the mounting base 8, and the reversing plate 3 cannot continue to rotate, at the moment, the second top block 104a is pressed to shrink, the first top block 103a is expanded, the first top block 103a is in contact with the second corresponding boss 401a, automatic reversing is achieved, and preparation for reverse operation is achieved, as shown in fig. 16. The process of reversing the operation of the shaft 1 is the same as the process described above.

The structure, proportion, size, quantity, etc. shown in the attached drawings of the embodiment of the present invention are only used for matching with the contents disclosed in the specification, so as to be known and read by people familiar with the art, not for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and the modification of any structure, the change of proportion relation or the adjustment of size should still fall within the range that the technical contents can be covered without affecting the function that the present invention can produce and the purpose that can be achieved. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", "clockwise", "counterclockwise", etc. used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered to be the scope of the present invention without substantial changes in the technical content.

Claims

1. A reversing clutch mechanism is characterized in that: the reversing clutch mechanism (2) comprises a driving boss (102) arranged on a middle rotary table (101) of the rotary shaft (1), the driving boss (102) is at least provided with a group of first ejector block installation grooves (103) and a group of second ejector block installation grooves (104), a first ejector block (103a) and a second ejector block (104a) are correspondingly arranged in the group of first ejector block installation grooves (103) and the group of second ejector block installation grooves (104), the same ends of the first ejector block (103a) and the second ejector block (104a) correspond to each other, an ejector block elastic sheet installation groove (105) is further formed in the driving boss (102), an ejector block elastic sheet (106) is arranged in the ejector block elastic sheet installation groove (105), one end of the ejector block elastic sheet is corresponding to the first ejector block (103a), and the other end of the ejector block elastic sheet is corresponding to the second ejector block (104 a);

the reversing plate (3) is attached to the disc surface of the turntable (101), the transmission plate (4) is attached to the disc surface of the reversing plate (3), the first top block (103a) and the second top block (104a) extend into corresponding first slotted holes (301) and second slotted holes (401) on the reversing plate (3) and the transmission plate (4), a first protrusion (301a) and a second protrusion (401a) corresponding to the first top block (103a) and the second top block (104a) are respectively and correspondingly arranged in the first slot hole (301) and the second slot hole (401), one end of the first top block (103a) and one end of the second top block (104a) are positioned in corresponding grooves (103b,104b) in the first top block mounting groove (103) and the second top block mounting groove (104), the other end of the rotating shaft is contacted and separated with the first protrusion (301a) and the second protrusion (401a) to realize the separation of the rotating shaft (1) from the reversing plate (3) and the transmission plate (4).

2. The reversing clutch mechanism of claim 1, further comprising: after the reversing plate (3), the transmission plate (4) and the rotating shaft (1) move in place in the same direction, the rotating shaft (1) continues to rotate to the bottom, and automatic reversing can be achieved by the reversing clutch mechanism (2) to perform reversing operation.

3. The reversing clutch mechanism of claim 1, further comprising: the group of first top block mounting grooves (103) and the group of second top block mounting grooves (104) respectively and correspondingly comprise 2 first top block mounting grooves and 2 second top block mounting grooves.

4. The reversing clutch mechanism of claim 1, further comprising: one end of the first top block (103a) and one end of the second top block (104a) are cylinders corresponding to the grooves (103b,104b), and the other end of the first top block (103a) and the second top block (104a) are planes corresponding to the first protrusion (301a) and the second protrusion (401 a).

5. The reversing clutch mechanism of claim 1, further comprising: the top block elastic sheet (106) is W-shaped.