CN110571082A

CN110571082A - Switch device

Info

Publication number: CN110571082A
Application number: CN201910713976.6A
Authority: CN
Inventors: 温作锐
Original assignee: Zhejiang Industry and Trade Vocational College
Current assignee: Zhejiang Industry and Trade Vocational College
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2019-12-13
Anticipated expiration: 2039-08-02
Also published as: CN110571082B

Abstract

The application provides a switching device, including: the switch comprises a switch shell, a push rod component and a locking mechanism, wherein an accommodating cavity is arranged in the switch shell, a push rod of the push rod component is arranged at one end of the accommodating cavity in a sliding manner, the locking mechanism is arranged on one side of the switch shell and prevents the push rod from sliding towards the outside of the accommodating cavity, the locking mechanism comprises a protective shell connected with the switch shell, a pair of fan-shaped wheel plates rotatably arranged in the protective shell, a driving piece extending out of the protective shell and driving the pair of fan-shaped wheel plates to rotate relatively, two stopping seats arranged in the protective shell and a pair of linkage frames pivoted in the protective shell, the fan-shaped wheel plates respectively stir the linkage frames to rotate, and the linkage frames respectively push the stop rods in the two stop seats to extend out of the protective shell to abut against the side face of the push rod. The application provides a switching device has solved traditional electric switch and has switched on the not good defect of stability after the locking.

Description

Switch device

Technical Field

The invention relates to the field of electric control equipment, in particular to a switching device.

Background

The switch is one of the most common electrician products in daily life work, the action through the button realizes the closure or the disconnection of sound contact when using, thereby realize switching on or breaking off, when the switch switches on, the circuit that the switch controlled is in the closure state, the consumer that the electric current can circulate switch control, use the electrical equipment to operate, after the switch disconnection, the circuit is in the open circuit state, the consumer stops the operation immediately, some switches require to switch on the locking function, promptly when the switch switches on, lock, make the switch keep the on-state. The existing locking mechanism of the switch with the function of realizing conduction and locking generally comprises a lock button, a guide rod and a push rod, the mutual locking of the push rod and the guide rod is realized through the matching of a bulge at the upper end of the guide rod and a lower opening on the push rod, and the mechanism has the defects that the lock button of an electric switch is easy to incline to one side, so that the locking stability is poor, and the using effect is influenced.

Disclosure of Invention

The invention aims to provide a switch device, which overcomes the defect of poor stability after the traditional electric switch is conducted and locked.

In order to solve the technical problems, the invention provides the following technical scheme:

A switching device, comprising: the switch comprises a switch shell, a push rod component and a locking mechanism, wherein an accommodating cavity is arranged in the switch shell, a push rod of the push rod component is arranged at one end of the accommodating cavity in a sliding manner, the locking mechanism is arranged on one side of the switch shell and prevents the push rod from sliding towards the outside of the accommodating cavity, the locking mechanism comprises a protective shell connected with the switch shell, a pair of fan-shaped wheel plates rotatably arranged in the protective shell, a driving piece extending out of the protective shell and driving the pair of fan-shaped wheel plates to rotate relatively, two stopping seats arranged in the protective shell and a pair of linkage frames pivoted in the protective shell, the fan-shaped wheel plates respectively stir the linkage frames to rotate, and the linkage frames respectively push the stop rods in the two stop seats to extend out of the protective shell to abut against the side face of the push rod.

Further, the driving piece is in including supporting the section and setting the fixed block of support section upper end, the both ends of fixed block front side are provided with two fixed columns respectively, have all seted up waist type groove on a pair of fan-shaped wheel board, and the waist type groove of a pair of fan-shaped wheel board is established respectively on two fixed columns.

Furthermore, a pair of linkage frames are respectively pivoted on a pair of second convex columns in the protective shell, and each linkage frame comprises an upper inclined arm, a shifting fork connected to the upper end of the upper inclined arm and a lower inclined arm connected to the lower end of the upper inclined arm.

Furthermore, the stop rod is arranged in the central through groove of the stop seat in a sliding mode, a connecting column is fixed to the front side of the stop rod, and the shifting fork is sleeved on the connecting column.

Furthermore, the upper ends of the sector wheel plates are provided with inclined plane plates, one side of each inclined plane plate is provided with a poking side plate, and the poking side plate abuts against the lower inclined plane at the lower end of the lower inclined arm.

Furthermore, the poking side plate is perpendicular to the inclined plane plate.

Furthermore, the driving part further comprises a thin shaft section connected to the lower end of the supporting section, the lower end of the thin shaft section extends to the outer side of the protective shell and is connected with a pull ring, a spring is sleeved on the thin shaft section, the upper end of the spring abuts against the lower end of the supporting section, and the lower end of the spring abuts against the inner wall of the protective shell.

Furthermore, the locking mechanism further comprises two torsion springs which are respectively used for resetting the pair of linkage frames, the middle parts of the torsion springs are sleeved on the second convex columns, the lower support legs of the torsion springs are fixed on the lower inclined arms, and the upper support legs of the torsion springs abut against one sides of the blocking columns in the protective shell.

Furthermore, a pair of sector wheel plates are respectively pivoted on a pair of first convex columns in the protective shell.

Furthermore, one side surface of the push rod is provided with two locking grooves, and the upper end of the stopping rod is abutted into the locking grooves.

According to the technical scheme, the invention has the following beneficial effects:

1. According to the invention, the push rod is synchronously locked by the two stop rods by manually controlling the linear motion of one driving part, so that the push rod assembly is stably locked in the accommodating cavity, and the switch can still be ensured to keep a stable conduction state even under the condition of impact or vibration;

2. Because when locking mechanical system is in the locking state, the curb plate of stirring of fan-shaped wheel board upper end upwards extrudees all the time the linkage frame ensures the shift fork upwards promotes the spliced pole to avoided the locking lever moves back and contracts to the logical inslot in center, be favorable to guaranteeing that locking mechanical system locking state is stable, and locking effect is good.

The invention is described in further detail below with reference to the figures and the detailed description.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the lock mechanism of the present invention in an unlocked state.

Fig. 3 is a schematic structural view of the locking mechanism of the present invention in a locked state.

Fig. 4 is a schematic structural view of the stopper seat and the link frame of the present invention.

Fig. 5 is a partial structural view of fig. 2 according to the present invention.

Fig. 6 is a schematic structural diagram of the driving member of the present invention.

FIG. 7 is a schematic view of the construction of the sector plate of the present invention.

Description of reference numerals: switch shell-1, containing cavity-11, push rod component-2, push rod-21, locking groove-211, locking mechanism-3, protective shell-31, baffle column-311, first convex column-312, second convex column-313, sector wheel plate-32, waist-shaped groove-321, inclined plane plate-322, toggle side plate-323, through hole-324 and driving piece-33, the support section-331, the thin shaft section-332, the fixed block-333, the fixed column-334, the pull ring-335, the stop seat-34, the stop rod-341, the connecting column-342, the central through groove-343, the linkage frame-35, the lower inclined arm-351, the lower inclined plane-3511, the upper inclined arm-352, the shift fork-353, the torsion spring-36 and the spring-37.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

The present application is further described with reference to fig. 1 to 7, in which a switching device as shown in fig. 1 comprises: switch housing 1, push rod subassembly 2 and locking mechanical system 3, hold chamber 11 has in the switch housing 1, push rod 21 of push rod subassembly 2 slides and sets up the one end of holding chamber 11, locking mechanical system 3 sets up one side of switch housing 1, locking mechanical system 3 prevents push rod 21 to hold chamber 11 outer slip, locking mechanical system 3 include with the protective housing 31 that switch housing 1 is connected, rotate the setting in protective housing 31 a pair of fan-shaped wheel board 32, extend to the protective housing 31 outside and drive a pair of fan-shaped wheel board 32 relative pivoted driving piece 33, set up two stopping seat 34 in protective housing 31, and the pin joint is in a pair of link 35 in protective housing 31, wherein, a pair of fan-shaped wheel board 32 stir a pair of link 35 respectively and make its rotation, a pair of link 35 pushes the stop lever 341 in two stopping seat 34 respectively, the stopping rods 341 extend out of the protective shell 31 and abut against the side surface of the push rod 21, the linear motion of one driving piece 33 is manually controlled, so that the two stopping rods 341 synchronously lock the push rod 21, the push rod assembly 2 is stably locked in the accommodating cavity 11, even under the condition of impact or vibration, the switch can still be ensured to keep a stable conducting state, the two stopping rods 341 synchronously lock the push rod 21, the force applied to each stopping rod 341 is reduced, the service life of the switch device is prolonged, and the locking reliability of the locking mechanism 3 is ensured.

As shown in fig. 5 and 6, the driving member 33 includes a supporting section 331 and a fixing block 333 disposed at an upper end of the supporting section 331, two fixing posts 334 are disposed at two ends of a front side of the fixing block 333 respectively, waist-shaped grooves 321 are disposed on the pair of sector wheel plates 32, the waist-shaped grooves 321 of the pair of sector wheel plates 32 are respectively sleeved on the two fixing posts 334, and the fixing posts 334 slide in the waist-shaped grooves 321, so that a linear motion of the driving member 33 is converted into a relative swing motion of the pair of sector wheel plates 32, and the driving member is stable in motion and convenient to operate.

As shown in fig. 3 and 4, a pair of linking frames 35 are respectively pivoted on a pair of second bosses 313 in the protective housing 31, each linking frame 35 includes an upper inclined arm 352, a shift fork 353 connected to an upper end of the upper inclined arm 352, and a lower inclined arm 351 connected to a lower end of the upper inclined arm 352, and an angle between the upper inclined arm 352 and the lower inclined arm 351 is 60 ° to 90 °.

The connection part of the upper inclined arm 352 and the lower inclined arm 351 is provided with a round hole which is pivoted on the second convex column 313.

As shown in fig. 3 and 4, the stopping rod 341 is slidably disposed in the central through groove 343 of the stopping seat 34, a connecting column 342 is fixed to the front side of the stopping rod 341, the shifting fork 353 is sleeved on the connecting column 342, and when the linkage frame 35 swings, the shifting fork 353 shifts the connecting column 342, so that the stopping rod 341 slides up and down in the central through groove 343 of the stopping seat 34.

as shown in fig. 2 and 7, the upper end of the sector wheel plate 32 is provided with a bevel plate 322, one side of the bevel plate 322 is provided with a toggle side plate 323, the toggle side plate 323 abuts against a lower bevel 3511 at the lower end of the lower bevel arm 351, and the lower bevel 3511 is pressed by the toggle side plate 323, so that the linkage frame 35 swings around the second boss 313.

As shown in fig. 3, when the locking mechanism 3 is in the locking state, the side toggle plate 323 at the upper end of the segment wheel plate 32 always presses the linkage frame 35 upward to ensure that the shift fork 353 pushes the connecting column 342 upward, so as to prevent the stop rod 341 from retracting backward into the central through groove 343, which is beneficial to ensuring that the locking mechanism 3 is stable in the locking state and good in locking effect.

Specifically, the toggle side plate 323 is perpendicular to the inclined plate 322.

As shown in fig. 2 and 5, the driving member 33 further includes a thin shaft section 332 connected to a lower end of the supporting section 331, a lower end of the thin shaft section 332 extends to an outside of the protective shell 31 and is connected with a pull ring 335, a spring 37 is sleeved on the thin shaft section 332, an upper end of the spring 37 abuts against a lower end of the supporting section 331, a lower end of the spring 37 abuts against an inner wall of the protective shell 31, and the spring 37 is used for resetting the driving member 33.

As shown in fig. 2 and 4, the locking mechanism 3 further includes two torsion springs 36 for resetting the pair of linkage frames 35, the middle portions of the torsion springs 36 are sleeved on the second protruding columns 313, the lower legs of the torsion springs 36 are fixed on the lower inclined arms 351, the upper legs of the torsion springs 36 are abutted against one side of the blocking columns 311 in the protective shell 31, and when the sector wheel plate 32 stops pushing the lower inclined arms 351, the torsion springs 36 can drive the linkage frames 35 to swing downward under the action of their own elastic force.

as shown in fig. 2 and 7, the pair of sector wheel plates 32 are respectively pivoted on the pair of first protruding columns 312 in the protective shell 31, specifically, the pair of sector wheel plates 32 are respectively provided with a through hole 324, and the sector wheel plates 32 are sleeved on the first protruding columns 312 through the through holes 324.

As shown in fig. 1 and 2, one end of the push rod 21 is located and holds the chamber 11, the other end of the push rod 21 stretches out and holds the chamber 11, one side of the push rod 21 is provided with two locking grooves 211, the upper end of the stop rod 341 is abutted to the locking grooves 211, so that the push rod 21 is stably locked in the holding chamber 11, the locking of the push rod 21 is ensured to be firm, the push rod assembly 2 is prevented from sliding out of the holding chamber 11, the power failure phenomenon caused by the looseness of the push rod 21 is effectively avoided, and the working stability of the switching device is improved.

A push rod spring is further provided in the accommodating chamber 11, the push rod spring is disposed between the front end of the push rod 21 and the switch housing 1, the push rod spring applies a pushing force to the push rod 21, the pushing force moves out of the switch housing 1, the push rod spring can reset the push rod 21 when necessary, and the push rod spring is not shown in the figure.

The locking mechanism 3 is always in a locked state, and the locked state can be released only by manually pulling out the pull ring 335 by a human power, and the locked state is instantly restored by the acting force of the spring 37 after releasing the pull ring 335.

When the locking state of the locking mechanism 3 needs to be released, only the pull ring 335 needs to be pulled downwards, the driving element 33 moves downwards as a whole, the spring 37 is compressed by force, in the process that the fixed block 333 at the upper end of the driving element 33 moves downwards, the fixed column 334 always moves in the waist-shaped groove 321 and stirs the sector wheel plate 32 to rotate around the first convex column 312, so that the stirring side plate 323 is separated from the lower inclined surface 3511, under the action of the restoring force of the torsion spring 36, the torsion spring 36 drives the linkage frame 35 to swing downwards, the shifting fork 353 stirs the connecting column 342 downwards, so that the stopping rod 341 retracts into the central through groove 343, the stopping rod 341 is separated from the locking groove 211, at this time, the locking state of the locking mechanism 3 is released, and the push rod 21 can be inserted into the accommodating cavity 11 or pulled out from the accommodating cavity 11, the operation can be realized by only pulling the pull ring 335 downwards, and the operation is simple and convenient.

The pulling of the pull ring 335 is stopped, the locking mechanism 3 returns to a stable locking state, under the action of the elastic restoring force of the spring 37, the driving element 33 moves upward as a whole, the fixing column 334 toggles the sector wheel plate 32 to rotate, the toggle side plate 323 at the upper end of the sector wheel plate 32 presses the linkage frame 35 upward, so that the linkage frame 35 rotates upward around the second protrusion column 313, during the rotation of the linkage frame 35, the shift fork 353 pushes the connecting column 342 upward, so that the stop rod 341 slides upward along the central through groove 343, the upper end of the stop rod 341 slides out of the central through groove 343 and abuts against the locking groove 211 at the lower side of the push rod 21, thereby limiting the push rod 21 from sliding out of the accommodating cavity 11, the locking mechanism 3 operates stably and reliably, and the structural stability of the switching device is ensured, the switch keeps stable conduction state and reliable operation.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A switching device, comprising: switch housing (1), push rod subassembly (2) and locking mechanical system (3), hold chamber (11) has in switch housing (1), push rod (21) of push rod subassembly (2) slide and set up the one end that holds chamber (11), locking mechanical system (3) set up the one side of switch housing (1), locking mechanical system (3) prevent push rod (21) to hold chamber (11) and slide outward, locking mechanical system (3) including with protective housing (31) that switch housing (1) is connected, rotate a pair of fan-shaped wheel board (32) of setting in protective housing (31), extend to outside protective housing (31) and drive a pair of fan-shaped wheel board (32) relative pivoted driving piece (33), set up two locking seat (34) in protective housing (31) and pin joint a pair of linkage frame (35) in protective housing (31), the pair of fan-shaped wheel plates (32) respectively pokes the pair of linkage frames (35) to rotate, and the pair of linkage frames (35) respectively push the stop rods (341) in the two stop seats (34), so that the stop rods (341) extend out of the protective shell (31) to be abutted against the side face of the push rod (21).

2. The switch device according to claim 1, wherein the driving member (33) comprises a supporting section (331) and a fixing block (333) disposed at an upper end of the supporting section (331), two fixing posts (334) are disposed at two ends of a front side of the fixing block (333), a pair of fan-shaped wheel plates (32) are respectively provided with a waist-shaped groove (321), and the waist-shaped grooves (321) of the pair of fan-shaped wheel plates (32) are respectively sleeved on the two fixing posts (334).

3. The switching device according to claim 2, wherein a pair of linkage brackets (35) are pivotally connected to a pair of second bosses (313) in the protective housing (31), respectively, each linkage bracket (35) comprising an upper inclined arm (352), a shift fork (353) connected to an upper end of the upper inclined arm (352), and a lower inclined arm (351) connected to a lower end of the upper inclined arm (352).

4. The switching device according to claim 3, wherein the stop rod (341) is slidably disposed in a central through groove (343) of the stop seat (34), a connecting column (342) is fixed to a front side of the stop rod (341), and the shifting fork (353) is sleeved on the connecting column (342).

5. The switchgear as claimed in claim 4, wherein the upper ends of the sector plates (32) are each provided with a slope plate (322), one side of the slope plate (322) has a toggle side plate (323), and the toggle side plate (323) abuts against a lower slope (3511) of the lower end of the lower inclined arm (351).

6. A switching device according to claim 5, characterized in that the toggle side plate (323) and the ramp plate (322) are perpendicular to each other.

7. the switching device according to claim 2, characterized in that the driving member (33) further comprises a thin shaft section (332) connected to the lower end of the supporting section (331), the lower end of the thin shaft section (332) extends to the outside of the protective shell (31) and is connected with a pull ring (335), a spring (37) is sleeved on the thin shaft section (332), the upper end of the spring (37) abuts against the lower end of the supporting section (331), and the lower end of the spring (37) abuts against the inner wall of the protective shell (31).

8. The switching device according to claim 2, wherein the locking mechanism (3) further comprises two torsion springs (36) for resetting the pair of linkage frames (35), respectively, the middle parts of the torsion springs (36) are sleeved on the second protruding columns (313), the lower legs of the torsion springs (36) are fixed on the lower inclined arms (351), and the upper legs of the torsion springs (36) abut against one side of the blocking columns (311) in the protective shell (31).

9. The switching device according to claim 1, characterized in that a pair of sector plates (32) are pivoted on a pair of first studs (312) inside the protective casing (31), respectively.

10. The switching device as claimed in claim 1, wherein one side of the push rod (21) has two locking grooves (211), and an upper end of the stopping rod (341) abuts into the locking grooves (211).