CN211605055U

CN211605055U - Locking structure of distribution electrical apparatus

Info

Publication number: CN211605055U
Application number: CN202020696108.XU
Authority: CN
Inventors: 张彦阳; 盛勇兵; 宿彦荣; 任昌宾; 邹城华
Original assignee: Zhejiang Tengen Electric Co Ltd
Current assignee: Zhejiang Tengen Electric Co Ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-09-29
Anticipated expiration: 2030-04-29

Abstract

The utility model provides a distribution electrical apparatus's locking structure, include: the operating part is suitable for driving the switching-off or switching-on of the distribution electrical appliance; the stopping piece is movably arranged on a base of the distribution electrical appliance and is provided with an anti-switching-on position for limiting the movement of the operating piece when not triggered and an action position separated from the operating piece under the action of external force. When the distribution electrical apparatus is not installed in the cabinet body, because the action of operating parts can be blocked to the stopper to prevent distribution electrical apparatus combined floodgate, compare with prior art, security performance is higher like this.

Description

Locking structure of distribution electrical apparatus

Technical Field

The utility model relates to a low voltage apparatus equipment technical field, concretely relates to distribution electrical apparatus's locking structure.

Background

The circuit breaker is a switch device which not only has the function of manual switching, but also can automatically carry out voltage loss, undervoltage, overload and short-circuit protection.

When the existing plug-in circuit breaker is installed in a cabinet, if a bus bar in the cabinet is electrified, that is, under the condition that the circuit breaker is assembled under electrification, when the circuit breaker is in a closing state, a small electric arc can be generated between a wiring terminal of the circuit breaker and the bus bar, so that the safety of equipment is affected, and therefore, a closing prevention device for preventing the circuit breaker from being closed when the circuit breaker is not assembled in a cabinet body is urgently needed to be produced.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the circuit breaker among the prior art under the combined floodgate state, can produce little electric arc, influence the defect of equipment safety when electrified assembly to provide a when the circuit breaker is not assembled the cabinet internal, prevent its distribution electrical apparatus's of combined floodgate locking structure.

Therefore, the utility model provides a locking structure of distribution electrical apparatus, including operating parts and retainer, the operating parts is suitable for the switching-off of drive distribution electrical apparatus or combined floodgate; the stop piece is movably arranged on a base of the distribution electric appliance and is provided with an anti-switching-on position for limiting the movement of the operating piece when not triggered and an action position separated from the operating piece under the action of external force.

The operating part is a button which can be slidably mounted on the base, the stop piece and one end of the button, which is positioned in the base, are provided with an intersection area, and the stop piece and the end of the button are abutted through the intersection area.

The button is provided with an indicating piece which is in linkage with the button, and the indicating piece and the stop piece have the intersection area.

The stop piece is rotatably connected with the base through a rotating shaft.

The stop piece is provided with a third stop block and a first rotating arm which are respectively arranged at two sides of the rotating shaft, and the first rotating arm is provided with a first matching block which is arranged opposite to a second opening at the bottom of the base; when the switch-on prevention position is adopted, the third stop block is arranged opposite to the stop arm of the indicating piece, and the first matching block extends out of the second opening hole to the outer side of the base.

Also included is a first biasing member that maintains the stop member in the anti-close position.

The first biasing member is a torsion spring sleeved on a first cylinder of the base, and one end of the torsion spring is abutted to an assembling surface of the first rotating arm, which is far away from the first matching block.

The indicating piece is connected with the button piece through a first guide structure, the first guide structure comprises two sliding grooves and two sliding blocks, the two sliding grooves are respectively arranged on two side surfaces of the button piece, and the sliding grooves extend along the vertical direction; two sliders are respectively arranged on two sides of the indicating piece and are in adaptive connection with the corresponding sliding grooves.

The blocking arm is connected with the indicating piece main body in an integrated bending mode, and a limiting face which can be arranged opposite to the third blocking piece is arranged on the vertical portion of the blocking arm.

The distribution electrical appliance is a circuit breaker or a fuse.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a distribution electrical apparatus's locking structure, including operating parts and retainer, when the cabinet body is not packed into to distribution electrical apparatus, because the retainer blocks the operating parts action to prevent distribution electrical apparatus combined floodgate, compare with prior art, the security performance is higher like this.

2. The utility model provides a distribution electrical apparatus's locking structure, operating parts are the button of slidable mounting on the base, and the one end that the stopper is located the base with the button has the intersection region, and offsets through the intersection region, because the stopper can block the action of button, also can't drive distribution electrical apparatus through the button and close a floodgate, and the security performance is higher like this.

3. The utility model provides a distribution electrical apparatus's locking structure is equipped with the indicator rather than the linkage setting on the button, and the indicator has intersection region with the retainer, also is that the retainer blocks the cooperation through blockking with the indicator, and then blocks that the button moves towards the combined floodgate direction to realize when distribution electrical apparatus does not assemble the cabinet internal, prevent its function of combined floodgate.

4. The utility model provides a stop structure of distribution electrical apparatus, the retainer has third dog and the first rotation arm that locates the pivot both sides separately, is equipped with the first cooperation piece that sets up with the second trompil of base bottom relatively on the first rotation arm; when the switch-on prevention position is adopted, the third stop block and the stop arm of the indicating piece are arranged oppositely, and the first matching block extends out of the second opening hole to the outer side of the base. When the distribution electrical appliance is installed in the cabinet body, the mounting plate on the cabinet body drives the first matching block to extend into the inner cavity of the base, the stop piece rotates to drive the third stop block to be separated from the stop arm of the indicating piece, so that the button piece can drive the operating mechanism to perform closing action, and the stop arm and the third stop block which are matched with each other have the advantage of simple structure.

5. The utility model provides a distribution electrical apparatus's locking structure, first guide structure includes: the two sliding grooves are respectively arranged on two side surfaces of the button piece and extend along the vertical direction; two sliders are respectively arranged on two sides of the indicating piece and are in adaptive connection with the corresponding sliding grooves. Therefore, the indicating piece can move left and right along the horizontal direction under the driving of the button piece, so that linkage is realized, and the sliding block and the sliding groove which are matched with each other have the advantage of simple structure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a power distribution apparatus of the present invention;

FIG. 2 is a front view of the electrical distribution apparatus with the cover plate removed;

FIG. 3 is a cross-sectional view of an electrical distribution apparatus;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a schematic view of an assembled structure of the button and the indicator;

FIG. 6 is an exploded view of the button and indicator;

FIG. 7 is a perspective view of the indicator;

FIG. 8 is a perspective view of the base;

FIG. 9 is a schematic view of the locking member of FIG. 2 with the locking member removed;

FIG. 10 is a schematic view of the stopper of FIG. 2 with the stopper removed;

fig. 11 is a schematic structural view of the locking member.

Description of reference numerals: 1. an indicator; 11. a contact portion; 12. a slider; 13. a limiting block; 14. a blocking arm; 15. a drive arm; 151. a connecting portion; 152. a drive section; 2. a button piece; 21. a chute; 22. a first opening; 3. a base; 31. a first stopper; 311. a first inclined plane; 312. a top surface; 32. a second opening; 34. a first cylinder; 4. a cover plate; 41. a second stopper; 43. a third opening; 5. a stopper; 50. a rotating shaft; 51. a first rotation arm; 52. a first mating block; 53. a third stopper; 6. a locking member; 61. a second mating block; 610. a second inclined plane; 62. a second rotating arm; 63. a fastening part; 64. a first limiting part; 65. a second limiting part; 7. a connecting rod.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

The present embodiment provides an electrical distribution apparatus, as shown in fig. 1 and 2, comprising a base 3, a cover 4, an operating mechanism, an indicator 1, a stop structure and a locking structure.

Base 3 and apron 4 lock relatively and form the base inner chamber, as shown in fig. 3, 4 and 8, be equipped with on the base 3 can with indicator 1 sliding fit's cooperation structure, cooperation structure is for locating first dog 31 on the base 3 inner wall, first dog 31 orientation one side shaping of indicator 1 has the first inclined plane 311 that sets up in the slant, and its top surface 312 is the plane, wherein, during first instruction position, the contact site 11 of indicator 1 bottom with top surface 312 offsets. The cover plate 4 extends towards the base 3 to form a second stopper 41, the bottom of the base 3 is provided with a second opening 32, and the bottom of the cover plate 4 is provided with a third opening 43.

The operating mechanism mainly comprises a button 2, a handle and a connecting rod 7, and has a switching-on state for driving a moving contact of the power distribution apparatus to be in contact communication with a fixed contact and a switching-off state for driving the moving contact to be separated from the fixed contact.

As shown in fig. 1 and 5, the button 2 is slidably mounted on the base 3 of the electrical distribution apparatus, the button 2 has a first position corresponding to a closing state of the operating mechanism and a second position corresponding to an opening state, a first opening 22 is provided on an operating panel of the button 2, and sliding grooves 21 are provided on inner side surfaces of two side plates of the button 2, and the sliding grooves 21 extend in a vertical direction.

The indicating piece 1 is arranged in an accommodating cavity formed by enclosing the operating panel and the side plates of the button 2, and as shown in fig. 5-7, the indicating piece 1 comprises an indicating piece 1 main body, a contact part 11, a slider 12, a switching-on/off indicating part, a limiting block 13, a blocking arm 14 and a driving arm 15. Indicator 1 links to each other with button 2 through first guide structure to can with the cooperation structure sliding connection on the distribution apparatus base 3, indicator 1 has the correspondence operating device closes the first instruction position of state, corresponds the second instruction position of separating brake state, and receive button 2 with the effect of cooperation structure, can follow the direction different with button 2 moving direction's the action state of whole translation.

The contact part 11 is arranged at the bottom of the main body of the indicator 1, can be in sliding fit with the first inclined surface 311, and has an outer wall with an arc surface; the two sliding blocks 12 are respectively arranged at two sides of the main body of the indicating piece 1, the two sliding blocks 12 can be respectively matched with the corresponding sliding grooves 21 in a sliding manner, and in the embodiment, the cross section of each sliding block 12 is a rectangle matched with the strip-shaped sliding groove 21; the switching-on and switching-off indicating part is formed on one side, facing the operation panel, of the indicating piece 1 main body and can be arranged opposite to the first opening 22, the switching-on and switching-off indicating part and the switching-on and switching-off indicating part are arranged up and down, and when the indicating piece 1 moves up and down relative to the button piece 2, the switching-on and switching-off indicating part is driven to move; a limiting block 13, disposed on the indicating member 1 and disposed along an oblique upward direction, wherein, at the second indicating position, a top surface of the limiting block 13 abuts against and is connected with a bottom surface of the second stopper 41, and at this time, the contact portion 11 is not in contact with the first inclined surface 311; the blocking arm 14 can be matched with the stopping piece 5 for blocking, the blocking arm 14 is L-shaped and is connected with the main body of the indicating piece 1 in an integral bending mode, the horizontal part of the L-shaped blocking arm 14 is connected with the sliding block 12, and the vertical part is provided with a limiting surface which can be arranged opposite to the third blocking piece 53; the driving arm 15 can drive the locking member 6 to rotate, and has a connecting portion 151 connected to the vertical portion of the blocking arm 14 and extending toward the moving direction of the button 2, and a driving portion 152 connected to the connecting portion 151 in a bent manner and adapted to drive the second engaging portion 61 to move, wherein a curved surface capable of being engaged against the second inclined surface 610 is formed at the bottom of the driving portion 152. In this embodiment, as shown in fig. 3 and 4, the button 2 translates along the X-axis direction, the sliding slot 21 extends along the Z-axis direction, the first inclined plane 311 is disposed on the plane of the X-axis Z-axis, and the indicator 1 is driven by the button 2 to move along the X-axis direction and simultaneously move up and down along the Z-axis direction.

The stop arrangement comprises an operating member, a stop member 5 and a first biasing member.

The operating part is a button 2 which is slidably mounted on the base 3, an indicating part 1 which is linked with the button 2 is arranged on the button 2, and the indicating part 1 and the stopping part 5 have the intersection area.

The stop piece 5 is movably arranged on the base 3 of the distribution electric appliance, and the stop piece 5 is provided with an anti-switching-on position for limiting the movement of the operating piece when not triggered and an action position separated from the operating piece under the action of external force. As shown in fig. 9, the stopper 5 includes a rotating shaft 50, and a third stopper 53 and a first rotating arm 51 respectively disposed at both sides of the rotating shaft 50, and a first engaging block 52 disposed opposite to the second opening 32 at the bottom of the base 3 is disposed on the first rotating arm 51, wherein in the anti-closing position, the third stopper 53 is disposed opposite to the blocking arm 14 of the indicator 1, and the first engaging block 52 protrudes from the second opening 32 to the outside of the base 3.

The first biasing member is a torsion spring (not shown in the figures) sleeved on the first cylinder 34 of the base 3, one end of the torsion spring abuts against the assembly surface of the first rotating arm 51 away from the first fitting block 52, and the other end of the torsion spring is fixedly connected with the base 3.

The locking arrangement includes a locking member 6 and a second biasing member.

Locking piece 6, movably install on base 3, have when distribution electrical apparatus closes a floodgate, stretch out the latched position outside base 3, and receive indicator 1 drives, stretch into to the unblock position in the base 3, wherein, button 2 is from the position of closing a floodgate keeping away from when 3 inner chamber directions of base, accessible indicator 1 drives locking piece 6 follows latched position moves to unblock position.

As shown in fig. 10 and 11, the locking member 6 is rotatably connected to the base 3 through a rotating shaft 50, the locking member 6 has a second engaging block 61 and a second rotating arm 62 respectively disposed at two sides of the rotating shaft 50, an intersection region is disposed between the second engaging block 61 and the driving arm 15 of the indicator 1, and the second rotating arm 62 is provided with a locking portion 63 capable of passing through the third opening 43 at the bottom of the cover plate 4. A first limiting part 64 and a second limiting part 65 which can be abutted against the connecting rod 7 of the operating mechanism are formed on one side of the second rotating arm 62 away from the buckling part 63, a concave surface matched with the connecting rod 7 is formed on the first limiting part 64, and a third inclined surface is formed on the second limiting part 65; when the distribution electrical appliance is not assembled in place, the first limiting part 64 abuts against the connecting rod 7; when the switch is closed (assembled in place), the second limiting part 65 abuts against the connecting rod 7, the buckling part 63 is in adaptive clamping connection with the clamping hole on the cabinet body mounting plate, and the second matching block 61 is arranged opposite to the driving arm 15 of the indicator 1. When needs take out electrical distribution equipment from the cabinet body, it needs earlier to convert the separating brake state into from the combined floodgate state, then manual pulling button 2, makes it remove towards keeping away from 3 inner chamber directions of base, and button 2 offsets the cooperation through actuating arm 15 and the second cooperation piece 61 of indicator 1 to drive 6 anticlockwise rotations of locking piece, make the card hole separation on clamping part 63 and the cabinet body mounting panel, thereby can take out electrical distribution equipment from the cabinet body. And a second biasing member abutting against the second rotating arm 62, the second biasing member applying a biasing force to the locking member 6 to rotate in the direction of the locking position.

In this embodiment, the power distribution apparatus is a circuit breaker or a fuse.

In an alternative embodiment, the sliding slot 21 extends along the Y-axis direction, the first inclined surface 311 is disposed on the plane of the X-axis and the Y-axis, and the indicator 1 can move back and forth along the Y-axis while moving along the X-axis direction under the driving of the button 2.

In an alternative embodiment, the base 3 is provided with a first stopper 31, and the indicator 1 is formed with a first inclined surface which is slidably engaged with a contact portion of the first stopper 31.

As an alternative embodiment, the first stopper 31 is formed with a curved surface that is slidably engaged with the contact portion of the indicator 1.

As a changeable implementation mode, the indicating piece 1 is arranged on the outer side of the button 2, a sliding rail structure is arranged between the indicating piece 1 and the base 3, the sliding rail structure comprises a sliding groove arranged on the base and a sliding block arranged on the indicating piece 1 and connected with the sliding groove in an adaptive mode, a first stop block used for driving the indicating piece 1 to move along the sliding groove is arranged on the outer wall of the button 2, and a first inclined surface capable of being in sliding fit with a contact part of the indicating piece 1 is arranged on the first stop block.

As an alternative embodiment, the first and second biasing members may also be compression springs.

The utility model provides a distribution electrical apparatus's locking structure, including operating parts and retainer 5, when the cabinet body is not packed into to distribution electrical apparatus, because retainer 5 blocks the operating parts action to prevent distribution electrical apparatus combined floodgate, compare with prior art, the security performance is higher like this.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A stop structure for an electrical distribution apparatus, comprising:

the operating part is suitable for driving the switching-off or switching-on of the distribution electrical appliance;

the stop piece (5) is movably arranged on a base (3) of the distribution electrical appliance, and the stop piece (5) is provided with an anti-switching-on position which limits the movement of the operating piece when not triggered and an action position which is separated from the operating piece under the action of external force.

2. Stop structure for electrical distribution appliances according to claim 1, characterized in that the operating member is a button (2) slidably mounted on the base (3), the stop member (5) having an intersection region with the end of the button (2) located in the base (3) and being abutted by said intersection region.

3. The stop structure of an electric distribution apparatus according to claim 2, characterized in that the button (2) is provided with an indicator (1) linked therewith, and the indicator (1) and the stop member (5) have the intersection region.

4. Stop structure for electrical distribution appliances according to claim 3, characterized in that the stop (5) is rotatably connected to the base (3) by means of a rotating shaft (50).

5. The stop structure of an electric distribution apparatus according to claim 4, wherein the stop member (5) has a third stop (53) and a first rotation arm (51) respectively disposed at both sides of the rotation shaft (50), and the first rotation arm (51) is provided with a first engagement block (52) disposed opposite to the second opening (32) at the bottom of the base (3);

when the switch-on prevention position is adopted, the third stop block (53) is arranged opposite to the stop arm (14) of the indicator (1), and the first matching block (52) extends out of the base (3) from the second opening (32).

6. Stop arrangement of an electrical distribution appliance according to claim 5, further comprising a first biasing member to keep the stop member (5) in the anti-closing position.

7. The stop structure of an electrical distribution apparatus according to claim 6, wherein the first biasing member is a torsion spring sleeved on the first cylinder (34) of the base (3), and one end of the torsion spring abuts against a mounting surface of the first rotating arm (51) far away from the first mating block (52).

8. Stop structure for electrical distribution appliances according to any one of claims 3 to 7, characterized in that the indicator (1) is connected to the button (2) by means of a first guide structure comprising:

the two sliding grooves (21) are respectively arranged on two side surfaces of the button piece (2), and the sliding grooves (21) extend along the vertical direction;

two sliders (12) are respectively arranged on two sides of the indicating piece (1) and are in adaptive connection with the corresponding sliding grooves (21).

9. The stop structure of an electric distribution appliance according to claim 5, characterized in that the blocking arm (14) is connected with the body of the indicator (1) in an integral bending way, and the vertical part of the blocking arm (14) is provided with a limiting surface which can be arranged opposite to the third stop block (53).

10. The stopping structure of an electric distribution apparatus according to any one of claims 1, 2, 3, 4, 5, 6, 7 and 9, wherein the electric distribution apparatus is a circuit breaker or a fuse.