CN210535542U

CN210535542U - Mechanical interlocking mechanism for micro switch

Info

Publication number: CN210535542U
Application number: CN201922071402.1U
Authority: CN
Inventors: 司金坡
Original assignee: Beijing Jinyujiaxin Technology Co ltd
Current assignee: Beijing Jinyujiaxin Technology Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-05-15
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a mechanical interlocking mechanism for a micro switch, the micro switch comprises four switch units which are distributed and arranged side by side in sequence, a switch handle for controlling the switch unit to open and close is arranged on the switch unit, the mechanical interlocking mechanism comprises a support frame which can be detachably connected on a panel, a sliding plate is connected on the support frame in a sliding way, and a notch is arranged on the sliding plate; the top end of the sliding plate extends to one side facing the switch handle to form an extension plate, and the switch handle corresponding to the notch can prevent the sliding of the sliding plate when closed; the locking assembly is arranged between the sliding plate and the support frame and used for limiting the sliding plate to move, the locking assembly comprises locking holes formed in the support frame, the number of the locking holes is three along the distribution direction of the switch units on the support frame at intervals, the sliding plate is provided with a limiting part capable of being embedded into the locking holes, and when the limiting part is embedded into the locking holes, the notch corresponds to one switch unit. The utility model discloses the effect that the condition of effectively avoiding staff's maloperation takes place has.

Description

Mechanical interlocking mechanism for micro switch

Technical Field

The utility model belongs to the technical field of the power supply distribution equipment and specifically relates to a mechanical interlocking mechanism for micro-switch is related to.

Background

In the signal power supply distribution equipment, a miniature air switch is used as a distribution device of an input main brake, an input power supply adopts a main mode and a standby mode, when the main power supply has faults such as power failure, phase sequence error or overvoltage and undervoltage, the main power supply can be automatically switched to a standby power supply, and the main power supply and the standby power supply have manual switching and direct supply functions.

The three-state system power supply of 'normal', 'direct supply on the I path' and 'direct supply on the II path' is realized by the on and off of a group of micro air switches, and in order to avoid the short circuit of a power supply, the four circuit breakers are not allowed to be closed simultaneously, and the four circuit breakers are closed according to a certain logic sequence.

However, in many existing occasions, four circuit breakers are all in an exposed state, and power supply accidents caused by misoperation of workers often occur. Therefore, an interlocking mechanism is required to be arranged to avoid the occurrence of misoperation of workers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical interlocking mechanism for micro-switch, it has the effect that the condition of effectively avoiding the staff maloperation takes place.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a mechanical interlocking mechanism for a micro switch comprises four switch units which are sequentially distributed side by side, a switch handle for controlling the switch units to be opened and closed is arranged on each switch unit, a panel is arranged at the front end of the micro switch, the switch handles extend out of the panel, the mechanical interlocking mechanism is arranged on the panel and comprises a support frame detachably connected to the panel, a sliding plate is connected to the support frame in a sliding mode and can slide along the distribution direction of the switch units, the switch handles can be covered by the sliding plate, a notch is formed in the sliding plate, and when the notch is aligned with any one switch unit, the switch unit aligned with the notch can be opened and closed freely;

the top end of the sliding plate extends to one side facing the switch handle to form an extension plate, and the switch handle corresponding to the notch can prevent the sliding of the sliding plate when closed;

a guide assembly is arranged between the sliding plate and the support frame, and the guide assembly enables the sliding plate to only slide along the distribution direction of the switch units;

the locking assembly is arranged between the sliding plate and the support frame and used for limiting the sliding plate to move, the locking assembly comprises locking holes formed in the support frame, the number of the locking holes is three along the distribution direction of the switch units on the support frame at intervals, the sliding plate is provided with a limiting part capable of being embedded into the locking holes, and when the limiting part is embedded into the locking holes, the notch corresponds to one switch unit.

By adopting the technical scheme, the free opening and closing of different switch units corresponding to the notches are realized through the arrangement of the notches, other corresponding switch units shielded by the sliding plate are in an open state, and when the switch handle corresponding to the notches is in a closed state, the switch handle and the notches of the sliding plate interfere with each other to limit the movement of the sliding plate and realize the interlocking between the sliding plate and the switch units; the retaining member of embedding in the locking hole locks the slide plate on the support frame, further locks the slide plate, increases the stability of slide plate, has effectively avoided the emergence of the condition of staff's maloperation, simple structure, and convenient operation.

The utility model discloses further set up to: the locating part is including setting firmly the locking spring on the slide block, and the ball is set firmly to the one end that the locking spring dorsad slide block, and the ball can be embedded in the locking hole.

Through adopting above-mentioned technical scheme, the ball is embedded into in the locking hole under the effect of spring, has realized the locking between slide plate and the support frame, simple structure, convenient operation, and the pulling slide plate enables the ball to deviate from in the locking hole, makes the slide plate be in portable state once more.

The utility model discloses further set up to: the ball is fixedly provided with a limiting column which can be embedded into the locking hole, and the support frame is provided with a starting assembly which drives the limiting column to be separated from the locking hole.

Through adopting above-mentioned technical scheme, spacing post embedding is in the locking hole, and the board that slides can't make spacing post deviate from in the locking hole under the effect of the direction of distribution along the switch unit, has increased locking Assembly's stability, and the start-up subassembly enables spacing post and locking hole separation, makes the board that slides be in portable state.

The utility model discloses further set up to: the starting assembly comprises a push rod connected to the sliding plate in a sliding mode, one end of the push rod is in surface contact with the portion, close to the locking hole, of the ball, the two push rods are symmetrically arranged on the two sides of the ball, one portion of the push rod extends out of the sliding plate, and the push rod can apply acting force, pulled out of the limiting column from the locking hole, to the ball.

Through adopting above-mentioned technical scheme, promote the push rod, the push rod removes along switch unit's distribution direction, and the ball removes to one side towards locking spring under the effect of push rod, and the locking post breaks away from with the locking hole under the drive of ball, and the staff of being convenient for in the push rod of slide block promotes it.

The utility model discloses further set up to: the surface of the push rod contacting with the surface of the ball is an inclined surface facing the ball.

Through adopting above-mentioned technical scheme, the setting up of inclined plane makes the push rod have the effort towards locking spring one side to the ball, changes and promotes the ball.

The utility model discloses further set up to: be provided with reset assembly on the push rod, reset assembly can drive two push rods and remove along keeping away from the ball direction.

Through adopting above-mentioned technical scheme, reset assembly's setting can realize automatic re-setting to the push rod when the slide plate moves the assigned position, has reduced staff's operating procedure.

The utility model discloses further set up to: the reset assembly comprises a reset spring, one end of the reset spring is connected with the push rod, the other end of the reset spring is fixedly arranged on the sliding plate, and the reset spring can apply acting force to the push rod in the direction opposite to the ball direction.

Through adopting above-mentioned technical scheme, reset spring can exert the effort of ball direction dorsad to the push rod, and when the slide board moved the assigned position, unclamped the push rod, and the push rod resumes initial position under reset spring's effect.

The utility model discloses further set up to: the middle part of sliding plate is seted up to the breach, and the length of switch unit distribution direction along the breach equals with the length of a switch unit, and the length of the switch unit distribution direction along the sliding plate equals the length of five switch units.

Through adopting above-mentioned technical scheme, when the breach corresponds one of them switch unit, the switch unit that can not be closed is covered by the slide plate, effectively avoids staff's maloperation.

To sum up, the utility model has the advantages that:

1. the free opening and closing of different switch units corresponding to the notches are realized through the arrangement of the notches, other corresponding switch units shielded by the sliding plate are in an open state, and when a switch handle corresponding to the notches is in a closed state, the switch handle and the notches of the sliding plate are mutually interfered to limit the movement of the sliding plate and realize the interlocking between the sliding plate and the switch units; the locking piece embedded in the locking hole locks the sliding plate on the support frame, the sliding plate is further locked, the stability of the sliding plate is improved, the misoperation of workers is effectively avoided, the structure is simple, and the operation is convenient;

2. the limiting column is embedded into the locking hole, the sliding plate cannot enable the limiting column to be separated from the locking hole under the action of the acting force along the distribution direction of the switch unit, the stability of the locking assembly is improved, the starting assembly can enable the limiting column to be separated from the locking hole, and the sliding plate is enabled to be in a movable state;

3. promote the push rod, the push rod removes along switch unit's distribution direction, and the ball moves to one side towards locking spring under the effect of push rod, and the locking post breaks away from with the locking hole under the drive of ball, and the push rod that stretches out in the slide plate is convenient for the staff and promotes it.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a front view of the embodiment;

FIG. 3 is a schematic drawing in partial section showing the locking assembly, the actuating assembly and the reset assembly in accordance with an embodiment;

fig. 4 is an enlarged view at a in fig. 3.

In the figure, 1, a switch handle; 2. a panel; 3. a support frame; 31. mounting a plate; 311. installing a bolt; 32. a U-shaped frame; 4. a slide plate; 41. a transverse plate; 42. a vertical plate; 421. a notch; 422. an extension plate; 5. a housing; 6. a guide assembly; 61. a guide groove; 62. a guide block; 7. a locking assembly; 71. a locking hole; 72. a limiting member; 721. a locking spring; 722. a ball; 723. a limiting column; 8. starting the component; 81. a push rod; 811. a cross bar; 812. a vertical rod; 813. a deflector rod; 8131. a shifting sheet; 82. a sliding groove; 9. a reset assembly; 91. a baffle plate; 92. a return spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

Referring to fig. 1 and 2, the micro air switch in the present embodiment includes four switch units QF1, QF2, QF3 and QF4, which are sequentially disposed side by side, and each of the four switch units is provided with a switch handle 1 for controlling opening and closing thereof. The front end of the miniature air switch is provided with a panel 2, the panel 2 is a silk screen printing panel, and a switch handle 1 extends out of the panel 2.

When the switch units QF1 and QF2 are closed and the switch units QF3 and QF4 are open, the normal power supply state is adopted. When the switch unit QF3 is closed and the switch unit QF1, the switch unit QF2 and the switch unit QF4 are disconnected, the direct supply state belongs to the I-path direct supply state; when the switch unit QF4 is closed and the switch unit QF1, the switch unit QF2 and the switch unit QF3 are disconnected, the direct supply state belongs to the II-way direct supply state. For safe and reliable's three kinds of power supply states of realization above-mentioned, the utility model discloses set up a mechanical interlocking mechanism.

The utility model provides a mechanical interlocking mechanism sets up on panel 2, and mechanical interlocking mechanism is including dismantling support frame 3 of connecting on panel 2, and support frame 3 sets up along switch unit's distribution direction. The support frame 3 includes hugging closely U-shaped frame 32 on the panel 2 and integrated into one piece in the mounting panel 31 of U-shaped frame 32 below, and four mounting bolt 311 wear to be equipped with along switch unit's distribution direction interval on the mounting panel 31, and mounting bolt 311 passes mounting panel 31 threaded connection on panel 2, realizes dismantling between support frame 3 and the panel 2 and is connected.

The support frame 3 is connected with a sliding plate 4 arranged along the distribution direction of the switch units in a sliding manner, the length of the sliding plate 4 along the distribution direction of the switch units is equal to the length of the five switch units, and the sliding plate 4 can slide on the support frame 3 along the distribution direction of the switch units. The sliding plate 4 is an L-shaped plate with an opening facing the switch handle 1, the sliding plate 4 comprises a transverse plate 41 and a vertical plate 42 perpendicular to the transverse plate 41, the vertical plate 42 and the transverse plate 41 are integrally formed, and the bottom end face of the transverse plate 41 is in contact with the top end face of the U-shaped frame 32.

The intermediate position of riser 42 is seted up jaggedly 421, and the length that jaggedly 421 distribute the direction along the switch unit equals with the length of a switch unit, and when breach 421 and arbitrary switch unit aligned, the last switch lever 1 of this switch unit can freely open and close, and the riser 42 of breach 421 both sides can shelter from two switch lever 1 that distribute the setting in proper order side by side respectively.

An extension plate 422 extends from one end of the vertical plate 42 opposite to the transverse plate 41, and the extension plate 422 is inclined toward the side of the switch handle 1. When the switch handle 1 on the switch unit corresponding to the notch 421 is closed, two side surfaces of the switch handle 1 interfere with two opposite side surfaces of the extension plate 422 at the notch 421, so that when the switch handle 1 on the switch unit is in a closed state, the sliding of the sliding plate 4 can be prevented, and the interlocking function between the switch handle 1 and the sliding plate 4 is achieved.

Referring to fig. 1, 3 and 4, a rectangular housing 5 is fixedly connected to the bottom end surface of the horizontal plate 41, and the housing 5 is located right below the notch 421. The length direction of casing 5 sets up along switch unit's distribution direction, and the upper and lower both ends opening of casing 5, casing 5 along its width direction's two lateral walls respectively with two inside walls that U-shaped frame 32 is relative mutually contact, the bottom terminal surface of casing 5 and the diapire contact of U-shaped frame 32 inner chamber. The casing 5 guides the sliding of the sliding plate 4 on the support frame 3, so that the sliding plate 4 moves along the distribution direction of the switch unit.

For the removal of restriction sliding plate 4 along vertical direction, be provided with guide assembly 6 between sliding plate 4 and the support frame 3, guide assembly 6 is including seting up the guide way 61 in the one side of U-shaped frame 32 dorsad panel 2, guide way 61 sets up along switch unit's distribution direction, the lateral wall rubberizing of casing 5 dorsad panel 2 has connect the guide block 62 with guide way 61 looks adaptation, guide block 62 passes guide way 61 and stretches out in the inner chamber of U-shaped frame 32, guide block 62 slides with guide way 61 and is connected, guide block 62 can slide along the length direction of guide way 61.

Be provided with the locking subassembly 7 that restriction slide plate 4 removed between slide plate 4 and the support frame 3, locking subassembly 7 is including offering the locking hole 71 on U-shaped frame 32 diapire, locking hole 71 is the circular through-hole that runs through U-shaped frame 32 diapire, locking hole 71 is provided with threely on support frame 3 along the distribution direction interval of switch element, distance between two adjacent locking holes 71 equals the length of switch element along its distribution direction, three locking hole 71 respectively in proper order with switch element QF1, switch element QF3 and switch element QF4 correspond.

The locking assembly 7 comprises a limiting member 72 fixedly connected to the sliding plate 4 and capable of being embedded into the locking hole 71, and the limiting member 72 is located in the middle of the inner cavity of the housing 5. The limiting member 72 includes a locking spring 721 fixedly connected to the bottom end surface of the transverse plate 41, the locking spring 721 is a claw-shaped spring arranged along the vertical direction, one end of the locking spring 721 opposite to the transverse plate 41 is fixedly connected with a ball 722, and one end of the ball 722 opposite to the locking spring 721 is welded with a limiting post 723. The limiting column 723 is a cylinder arranged in the vertical direction, the outer diameter of the limiting column 723 is the same as the inner diameter of the locking hole 71, and one end of the limiting column 723, which is opposite to the ball 722, can be embedded into the locking hole 71. When the limiting column 723 is embedded in the locking hole 71, the sliding plate 4 and the support frame 3 are in a locking state.

The sliding plate 4 is provided with a starting assembly 8 for driving the limiting column 723 and the locking hole 71 to separate, the starting assembly 8 comprises a push rod 81 connected to the transverse plate 41 in a sliding manner, and two push rods 81 are symmetrically arranged on two sides of the round ball 722 in the distribution direction of the switch unit. The transverse plate 41 is provided with a sliding groove 82 at a position corresponding to the notch 421, the sliding groove 82 is arranged along the distribution direction of the switch unit, and the sliding groove 82 penetrates through the transverse plate 41.

The push rod 81 comprises a cross bar 811 arranged along the distribution direction of the switch unit, one end of the cross bar 811 contacts with the round ball 722, the surface of the cross bar 811 contacting with the round ball 722 is an inclined surface, and the position of the cross bar 811 contacting with the round ball 722 is located on one side of the outer peripheral surface of the round ball 722 close to the limit column 723. One end of the cross bar 811, which faces away from the sphere 722, is integrally formed with a vertical rod 812 perpendicular to the cross bar, the vertical rod 812 extends out of the inner cavity of the housing 5 through the sliding groove 82, and the vertical rod 812 is connected with the sliding groove 82 in a sliding manner and can move along the distribution direction of the switch units. One end of the vertical rod 812 extending out of the inner cavity of the shell 5 is integrally formed with a vertical shifting rod 813, the shifting rod 813 is arranged perpendicular to the panel 2, and one end of the shifting rod 813, which is back to the vertical rod 812, extends out of the area between the vertical plate 42 and the panel 2. In order to facilitate the worker to shift the shift lever 813, a circular shift plate 8131 is integrally formed at one end of the shift lever 813, which is opposite to the vertical rod 812.

The two push rods 81 are pulled to move the two push rods 81 in opposite directions, and the ball 722 can move towards one side of the locking spring 721 under the action of the push rods 81 until the limiting column 723 is separated from the locking hole 71.

The push rod 81 is provided with a reset assembly 9 for resetting the push rod, the reset assembly 9 comprises a baffle 91 sleeved on the cross rod 811, and the top end of the baffle 91 is fixedly arranged on the bottom end face of the transverse plate 41. The outer peripheral surface of the cross bar 811 is sleeved with a return spring 92, one end of the return spring 92 abuts against the baffle 91, and the end of the return spring 92 opposite to the baffle 91 abuts against the vertical bar 812.

When the shifting piece 8131 is released, the return spring 92 can apply a force to the push rod 81 in a direction opposite to the direction of the sphere 722, so that the push rod 81 is restored to the initial position.

The implementation principle of the above embodiment is as follows:

the initial states of the four switch handles 1 are all preset to be off states, at this time, the notch 421 is aligned with the switch unit QF1, the riser 42 and the extension plate 422 shield the switch unit QF3 and the switch unit QF4, the switch unit QF1 and the switch unit QF2 are in a state capable of being closed, the switch handles 1 on the switch unit QF1 and the switch unit QF2 are shifted, the switch unit QF1 and the switch unit QF2 are in a closed state, the cross sections of two sides of the switch handle 1 on the switch unit QF1 are mutually interfered with two opposite side walls of the extension plate 422 at the notch 421, the limiting column 723 is embedded into the locking hole 71, the sliding plate 4 cannot freely slide, and at this time, the system is in a normal power supply state;

the toggle switch unit QF1 and the switch handle 1 on the switch unit QF2 enable the two to be in an off state, the poking sheets 8131 on the two push rods 81 are pinched to enable the two push rods 81 to move towards opposite directions, the round balls 722 move towards one side of the locking spring 721 under the action of the two push rods 81, the limiting columns 723 move together with the round balls 722 to be separated from the locking holes 71, the sliding plate 4 is in a movable state, the sliding plate 4 is moved to the notch 421 to be aligned with the switch unit QF3, the poking sheets 8131 are released, the push rods 81 restore to an initial state under the action of the return spring 92, the limiting columns 723 move towards one side opposite to the locking spring 721 to be embedded in the locking holes 71 under the action of the locking spring 721, the switch handle 1 on the toggle switch unit QF3 enables the switch unit QF3 to be in a closed state, the sections on two sides of the switch handle 1 on the switch unit QF3 and two opposite side walls of the notch 421 extending plate, the sliding plate 4 can not slide freely, and the system is in a direct supply state on the I path;

by analogy with the above steps, the gap 421 is aligned with the switch unit QF4, and the direct supply state of the second channel can be realized.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a mechanical interlocking mechanism for micro-switch, micro-switch include four switch unit that distribute the setting in proper order side by side, are provided with switch lever (1) of control switch unit switching on the switch unit, and micro-switch's front end is provided with panel (2), and switch lever (1) stretches out in panel (2), its characterized in that: the mechanical interlocking mechanism is arranged on the panel (2) and comprises a support frame (3) detachably connected to the panel (2), a sliding plate (4) is connected to the support frame (3) in a sliding mode, the sliding plate (4) can slide along the distribution direction of the switch units, the switch handle (1) can be covered by the sliding plate (4), a notch (421) is formed in the sliding plate (4), and when the notch (421) is aligned with any switch unit, the switch unit aligned with the notch (421) can be opened and closed freely;

the top end of the sliding plate (4) extends to one side facing the switch handle (1) to form an extension plate (422), and the switch handle (1) corresponding to the notch (421) can prevent the sliding plate (4) from sliding when being closed;

a guide assembly (6) is arranged between the sliding plate (4) and the support frame (3), and the guide assembly (6) enables the sliding plate (4) to only slide along the distribution direction of the switch units;

be provided with between slide plate (4) and support frame (3) and restrict the locking Assembly (7) that slide plate (4) removed, locking Assembly (7) are including offering locking hole (71) on support frame (3), locking hole (71) are provided with threely along the distribution direction interval of switch unit on support frame (3), be provided with on slide plate (4) and can imbed locating part (72) in locking hole (71), when locating part (72) are imbedded in locking hole (71), breach (421) correspond with a switch unit.

2. A mechanical interlock mechanism for a microswitch as in claim 1 wherein: the limiting piece (72) comprises a locking spring (721) fixedly arranged on the sliding plate (4), one end, back to the sliding plate (4), of the locking spring (721) is fixedly provided with a round ball (722), and the round ball (722) can be embedded into the locking hole (71).

3. A mechanical interlock mechanism for a microswitch as in claim 2 wherein: the round ball (722) is fixedly provided with a limiting column (723) which can be embedded into the locking hole (71), and the support frame (3) is provided with a starting component (8) which drives the limiting column (723) to be separated from the locking hole (71).

4. A mechanical interlock mechanism for a microswitch as in claim 3 wherein: the starting assembly (8) comprises push rods (81) connected to the sliding plate (4) in a sliding mode, one end of each push rod (81) is in surface contact with the part, close to the locking hole (71), of the round ball (722), the two push rods (81) are symmetrically arranged on the two sides of the round ball (722), one part of each push rod (81) extends out of the sliding plate (4), and the push rods (81) can apply acting force, pulling out the limiting columns (723) from the locking holes (71), to the round ball (722).

5. A mechanical interlock mechanism for a microswitch according to claim 4 wherein: the surface of the push rod (81) contacting with the surface of the round ball (722) is an inclined surface facing the round ball (722).

6. A mechanical interlock mechanism for a microswitch according to claim 4 wherein: the push rods (81) are provided with reset components (9), and the reset components (9) can drive the two push rods (81) to move along the direction away from the round ball (722).

7. A mechanical interlock mechanism for a microswitch as in claim 6 wherein: the reset assembly (9) comprises a reset spring (92) with one end connected with the push rod (81), the other end of the reset spring (92) is fixedly arranged on the sliding plate (4), and the reset spring (92) can apply acting force to the push rod (81) in the direction opposite to the direction of the round ball (722).

8. A mechanical interlock mechanism for a microswitch as in claim 1 wherein: the gap (421) is arranged in the middle of the sliding plate (4), the length of the gap (421) along the distribution direction of the switch units is equal to the length of one switch unit, and the length of the sliding plate (4) along the distribution direction of the switch units is equal to the length of five switch units.