CN220914063U

CN220914063U - Micro-gap switch group

Info

Publication number: CN220914063U
Application number: CN202322694800.5U
Authority: CN
Inventors: 项永才; 陈斌; 刘泰良; 屠德明
Original assignee: Zhejiang Gangben Electronics Co ltd
Current assignee: Zhejiang Gangben Electronics Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-05-07
Anticipated expiration: 2033-09-28

Abstract

The utility model discloses a micro-switch group, which comprises a plurality of micro-switches arranged side by side, wherein each micro-switch comprises a shell, a swing arm arranged on the shell and a snap-action mechanism arranged on the shell and linked with the swing arm, a bracket is detachably arranged on the shell, and one end of the swing arm is hinged on the bracket; the micro-switch comprises a plurality of micro-switches, a plurality of connecting assemblies and a plurality of connecting assemblies, wherein the micro-switches are arranged on the two sides of the plurality of micro-switches in parallel; the connecting assembly comprises a latch plate and a plurality of locking pieces, the quantity of which is equal to that of the micro-switch, sliding holes and inserting holes which are mutually communicated are formed in the side part and the top of the shell of the micro-switch, latch protrusions which are used for being inserted into the corresponding sliding holes are arranged on the latch plate, locking holes are formed in the latch protrusions, and the locking pieces penetrate through the corresponding inserting holes and are in locking fit with the locking holes. The utility model can ensure that a plurality of microswitches are kept in a flush state, and avoid the condition that the performance of the switch is influenced due to dislocation among the microswitches.

Description

Micro-gap switch group

Technical Field

The utility model relates to the technical field of switches, in particular to a micro-switch group.

Background

The micro switch group is a contact mechanism having a minute contact distance and a snap action mechanism and performing a switching operation with a predetermined stroke and a predetermined force, and is generally controlled by a driving lever or an operation piece provided outside the micro switch group, and the micro switch group is called as a micro switch group because the contact distance of the switch is relatively small. The micro switch group has various kinds, the internal structure has hundreds to thousands kinds, and the micro switch group has common, small and microminiature according to volume fraction; the waterproof type, the dustproof type and the explosion-proof type are classified according to the protective performance; the two types are divided into a single type, a double type and a multiple type according to the breaking mode.

The existing micro-switch group is formed by connecting a plurality of micro-switches side by side, and comprises a mounting plate, a plurality of micro-switches and side plates, wherein the mounting plate and the side plates are arranged on two sides of the micro-switch group, the mounting plate and the side plates are locked through a plurality of screws, the screws penetrate through the micro-switch group, so that the micro-switch group is fixed between the mounting plate and the side plates, the parts of the screws penetrating through the micro-switches are optical axis parts, and the parts of the screws and the shaft holes matched with the micro-switches are in clearance fit, so that micro-dislocation is easy to exist between the micro-switches, and the switch performance is affected.

Disclosure of utility model

The utility model aims to provide a micro switch group, which can ensure that a plurality of micro switches are kept in a parallel state and avoid the condition that the performance of the switch is influenced due to dislocation among the micro switches.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the micro switch comprises a shell, a swing arm arranged on the shell and a snap-action mechanism arranged on the shell and linked with the swing arm, wherein a bracket is detachably arranged on the shell, and one end of the swing arm is hinged on the bracket; the micro-switch comprises a plurality of micro-switches, a plurality of connecting assemblies and a plurality of connecting assemblies, wherein the micro-switches are arranged on the two sides of the plurality of micro-switches in parallel; the connecting assembly comprises a locking plate and a plurality of locking pieces, the quantity of the locking pieces is equal to that of the micro-switch, sliding holes and insertion holes which are mutually communicated are formed in the side portion and the top portion of the shell of the micro-switch, locking protrusions which are used for being inserted into the corresponding sliding holes are arranged on the locking plate, locking holes are formed in the locking protrusions, and the locking pieces penetrate through the corresponding insertion holes and are in locking fit with the locking holes.

Through adopting above-mentioned technical scheme, can link together a plurality of micro-gap switches side by side in advance through the hasp board, then install the retaining member on the shell of a plurality of micro-gap switches in proper order, every retaining member is connected with the hasp arch that corresponds on the hasp board, realizes the locking connection between a plurality of micro-gap switches, before micro-gap switch group installs, links together a plurality of micro-gap switches in advance, makes a plurality of micro-gap switches keep the parallel and level state, can avoid the condition emergence that influences the switch performance because of dislocation between the micro-gap switches.

The locking piece comprises a rotating part and a locking rod part, wherein a locking protrusion is arranged on the periphery of the locking rod part, an arc-shaped groove matched with the locking protrusion is arranged on the inner wall of the locking hole, an inlet and an outlet for the locking protrusion to slide into the arc-shaped groove are formed in the upper end of the locking protrusion, and when the locking protrusion slides into the arc-shaped groove, the rotating part is abutted against the upper end of the shell.

Through adopting above-mentioned technical scheme, when the locking protrusion on the locking lever portion of retaining member screw in the arc wall of lockhole, can play the spacing effect of axial to the retaining member, avoid taking place to break away from when its use.

The utility model is further arranged that one end of the arc-shaped groove far away from the inlet and the outlet is provided with a shrinkage part with a reduced height, and when the locking protrusion slides to the shrinkage part, the locking protrusion is in interference fit with the shrinkage part.

Through adopting above-mentioned technical scheme, when locking protruding and the constriction portion cooperation on the locking lever portion of retaining member, can play locking effect, avoid locking protruding to produce axial rotation and loosen when using.

The utility model is further characterized in that the rotating part is provided with a knob operation part which extends to two sides and takes the shape of a long plate.

Through adopting above-mentioned technical scheme, the design of rotatory operating portion is convenient for the support application of force of user's hand, does benefit to the rotation operation to the retaining member.

The utility model is further characterized in that an elastic washer is sleeved on the periphery of the lock rod part, and the elastic washer is arranged between the rotating part and the corresponding shell.

Through adopting above-mentioned technical scheme, the effect of protecting sheathing and retaining member can be played to the spring washer on the one hand, on the other hand can provide axial stress to the retaining member after locking for there is a vertical positive pressure between locking protruding and the arc wall of groove, promotes the friction between the two, further promotes locking structure's stability.

The utility model is further characterized in that the shell is provided with a concave part for embedding the locking plate, and when the locking plate is embedded into the concave part, the outer side surface of the locking plate is flush with the side surface of the shell.

By adopting the technical scheme, the structure is more compact, the volume is reduced, and the external shape is more attractive.

The utility model is further arranged to further comprise a first reinforcing plate and a second reinforcing plate, wherein the first reinforcing plate and the second reinforcing plate are respectively arranged at two sides of the tops of the micro switch shells, and the outer ends of the first reinforcing plate and the second reinforcing plate are respectively connected with the shells of the micro switches through a group of connecting components; the micro-gap switch comprises a shell, wherein a connecting seat is arranged on the shell of the micro-gap switch, a first slot and a second slot are respectively arranged on two sides of the connecting seat, one end of a support is clamped between the shell and a first reinforcing plate, a first inserting convex part which is used for being inserted and matched with the first slot is arranged at the other end of the support, and a second inserting convex part which is used for being inserted and matched with the second slot is arranged on the second reinforcing plate.

Through adopting above-mentioned technical scheme, not only be convenient for the installation of support, first reinforcing plate and second reinforcing plate link together a plurality of micro-gap switch's upper portion both sides moreover, not only can promote micro-gap switch group connection's fastness, can further guarantee a plurality of micro-gap switch's parallel and level effect moreover.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an exploded view of a portion of the structure of the present utility model;

FIG. 3 is a schematic view of the structure of the latch plate of the present utility model;

FIG. 4 is a schematic view of the structure of the locking member of the present utility model;

FIG. 5 is a schematic view of a single microswitch of the present utility model;

fig. 6 is a schematic view of the installation structure of the first reinforcing plate and the second reinforcing plate of the present utility model.

In the figure: 1. a micro-switch; 2. a housing; 3. swing arms; 4. a snap action mechanism; 5. a bracket; 6. a connection assembly; 7. a latch plate; 8. a locking member; 9. a slide hole; 10. a jack; 11. a latch protrusion; 12. a lock hole; 13. a rotating part; 14. a lock lever portion; 15. a locking protrusion; 16. an arc-shaped groove; 17. an inlet and an outlet; 18. a constriction; 19. a knob operation unit; 20. an elastic washer; 21. a concave portion; 22. a first reinforcing plate; 23. a second reinforcing plate; 24. a connecting seat; 25. a first slot; 26. a second slot; 27. a first insertion protrusion; 28. and a second inserting convex part.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: the micro switch group as shown in the accompanying drawings 1-6 comprises a plurality of micro switches 1 arranged side by side, wherein each micro switch 1 comprises a shell 2, a swing arm 3 arranged on the shell 2 and a snap mechanism 4 arranged on the shell 2 and linked with the swing arm 3, a bracket 5 is detachably arranged on the shell 2, one end of the swing arm 3 is hinged on the bracket 5, and in addition, a pair of normally open fixed contacts and a pair of normally closed fixed contacts are arranged in the shell 2; the micro switch group also comprises two groups of connecting components 6, wherein the two groups of connecting components 6 are arranged on two sides of the micro switches 1 arranged side by side to connect the micro switches 1 together; the connecting assembly 6 comprises a latch plate 7 and a plurality of locking pieces 8, the quantity of which is equal to that of the micro switch 1, sliding holes 9 and insertion holes 10 which are mutually communicated are formed in the side part and the top of the shell 2 of the micro switch 1, latch protrusions 11 which are used for being inserted into the corresponding sliding holes 9 are arranged on the latch plate 7, locking holes 12 are formed in the latch protrusions 11, and the locking pieces 8 penetrate through the corresponding insertion holes 10 and are in locking fit with the locking holes 12. The plurality of micro switches 1 can be connected together side by side in advance through the locking plate 7, then the locking pieces 8 are sequentially installed on the shell 2 of the plurality of micro switches 1, each locking piece 8 is connected with the corresponding locking protrusion 11 on the locking plate 7, locking connection among the plurality of micro switches 1 is realized, before the micro switch group is installed, the plurality of micro switches 1 are connected together in advance, so that the plurality of micro switches 1 are kept in a flush state, and the condition that the switch performance is influenced due to dislocation among the micro switches 1 can be avoided

As shown in fig. 1 to 4, the locking member 8 includes a rotating portion 13 and a locking lever portion 14 that are integrally formed, a locking protrusion 15 is disposed on the outer periphery of the locking lever portion 14, the locking protrusion 15 and the locking lever portion 14 are integrally formed, an arc groove 16 that is matched with the locking protrusion 15 is disposed on the inner wall of the locking hole 12, the arc groove 16 is an arc groove and extends at 180 °, an inlet and outlet 17 for the locking protrusion 15 to slide into the arc groove 16 is disposed at the upper end of the locking protrusion 11, and when the locking protrusion 15 slides into the arc groove 16, the rotating portion 13 abuts against the upper end of the housing 2. When the locking protrusion 15 on the locking rod part 14 of the locking piece 8 is screwed into the arc-shaped groove 16 of the locking hole 12, the locking piece 8 can be axially limited, and the locking piece 8 is prevented from being separated during use.

As shown in fig. 3, the end of the arc-shaped groove 16 away from the inlet and outlet 17 is provided with a constriction 18 with a reduced height, and when the locking protrusion 15 slides to the constriction 18, the locking protrusion 15 is in interference fit with the constriction 18. When the locking protrusion 15 on the locking rod part 14 of the locking piece 8 is matched with the contraction part 18, the locking effect can be achieved, and the locking protrusion 15 is prevented from being released due to axial rotation during use.

As shown in fig. 4, the turning portion 13 is provided with a knob operation portion 19 having a long plate shape extending to both sides. The design of the rotary operation part is convenient for the support and the application of force of the hand of the user, and is beneficial to the rotary operation of the locking piece 8.

As shown in fig. 1 and fig. 4, the outer periphery of the lock lever portion 14 is sleeved with an elastic washer 20, the elastic washer 20 is made of rubber material, and the elastic washer 20 is disposed between the rotating portion 13 and the corresponding housing 2. The elastic washer 20 can play a role in protecting the shell 2 and the locking piece 8 on one hand, and can provide axial stress for the locking piece 8 after locking on the other hand, so that a vertical positive pressure exists between the locking protrusion 15 and the inner wall of the arc-shaped groove 16, friction between the locking protrusion and the inner wall of the arc-shaped groove 16 is improved, and stability of the locking structure is further improved.

As shown in fig. 1 and 2, the housing 2 is provided with a recess 21 into which the latch plate 7 is inserted, and when the latch plate 7 is inserted into the recess 21, the outer side surface of the latch plate 7 is flush with the side surface of the housing 2. The design not only can make the structure more compact and reduce the volume, but also can make the external shape more beautiful.

As shown in fig. 5 and fig. 6, the micro switch group further includes a first reinforcing plate 22 and a second reinforcing plate 23, the first reinforcing plate 22 and the second reinforcing plate 23 are respectively disposed at two sides of the top of the housings 2 of the micro switches 1, and the outer ends of the first reinforcing plate 22 and the second reinforcing plate 23 respectively connect the housings 2 of the micro switches 1 together through a group of connecting components 6, and round holes for the lock rod portions 14 of the locking members 8 to pass through are formed in the first reinforcing plate 22 and the second reinforcing plate 23; the shell 2 of the micro switch 1 is provided with a connecting seat 24, two sides of the connecting seat 24 are respectively provided with a first slot 25 and a second slot 26, one end of the support 5 is clamped between the shell 2 and the first reinforcing plate 22, the other end of the support 5 is provided with a first inserting convex part 27 which is used for being inserted and matched with the first slot 25, and the second reinforcing plate 23 is provided with a second inserting convex part 28 which is used for being inserted and matched with the second slot 26. The design is convenient for the installation of the bracket 5, and the first reinforcing plate 22 and the second reinforcing plate 23 are used for connecting two sides of the upper parts of the micro-switches 1 together, so that the firmness of the connection of the micro-switch groups can be improved, and the flush effect of the micro-switches 1 can be further ensured.

Claims

1. The micro switch group comprises a plurality of micro switches (1) which are arranged side by side, wherein each micro switch (1) comprises a shell (2), a swing arm (3) arranged on the shell (2) and a snap mechanism (4) which is arranged on the shell (2) and is in linkage with the swing arm (3), a support (5) is detachably arranged on the shell (2), and one end of each swing arm (3) is hinged on the support (5); the method is characterized in that: the device also comprises two groups of connecting components (6), wherein the two groups of connecting components (6) are arranged at two sides of the plurality of micro switches (1) arranged side by side to connect the plurality of micro switches (1) together; coupling assembling (6) are including hasp board (7) and a plurality of retaining member (8) that quantity is equivalent with micro-gap switch (1), shell (2) lateral part and the top of micro-gap switch (1) are equipped with slide hole (9) and jack (10) that communicate each other, be equipped with on hasp board (7) and be used for inserting hasp protruding (11) in corresponding slide hole (9), lockhole (12) have been seted up on hasp protruding (11), retaining member (8) run through corresponding jack (10) and with lockhole (12) locking cooperation.

2. A microswitch set according to claim 1 wherein: the locking piece (8) comprises a rotating part (13) and a locking rod part (14), a locking protrusion (15) is arranged on the periphery of the locking rod part (14), an arc groove (16) matched with the locking protrusion (15) is formed in the inner wall of the locking hole (12), an inlet and outlet (17) used for the locking protrusion (15) to slide into the arc groove (16) is formed in the upper end of the locking protrusion (11), and the rotating part (13) abuts against the upper end of the shell (2) when the locking protrusion (15) slides into the arc groove (16).

3. A microswitch set according to claim 2 wherein: and one end of the arc-shaped groove (16) far away from the inlet and outlet (17) is provided with a shrinkage part (18) with a reduced height, and when the locking protrusion (15) slides to the shrinkage part (18), the locking protrusion (15) is in interference fit with the shrinkage part (18).

4. A microswitch set according to claim 2 wherein: the rotating part (13) is provided with a knob operation part (19) extending to two sides and having a long plate shape.

5. A microswitch set according to claim 2 wherein: an elastic washer (20) is sleeved on the periphery of the lock rod part (14), and the elastic washer (20) is arranged between the rotating part (13) and the corresponding shell (2).

6. A microswitch set according to claim 2 wherein: the shell (2) is provided with a concave part (21) for embedding the locking plate (7), and when the locking plate (7) is embedded into the concave part (21), the outer side surface of the locking plate (7) is flush with the side surface of the shell (2).

7. A microswitch set according to claim 1 wherein: the micro-switch structure further comprises a first reinforcing plate (22) and a second reinforcing plate (23), wherein the first reinforcing plate (22) and the second reinforcing plate (23) are respectively arranged on two sides of the tops of the shells (2) of the micro-switches (1), and the outer ends of the first reinforcing plate (22) and the second reinforcing plate (23) are respectively connected with the shells (2) of the micro-switches (1) through a group of connecting assemblies (6); be equipped with connecting seat (24) on shell (2) of micro-gap switch (1), the both sides of connecting seat (24) are equipped with first slot (25) and second slot (26) respectively, the one end clamp of support (5) is established between shell (2) and first reinforcing plate (22), the other end of support (5) is equipped with and is used for pegging graft complex first grafting convex part (27) with first slot (25), be equipped with on second reinforcing plate (23) be used for pegging graft complex second grafting convex part (28) with second slot (26).