CN213691845U

CN213691845U - High-stability point contact type toggle switch

Info

Publication number: CN213691845U
Application number: CN202022555888.9U
Authority: CN
Inventors: 仇文奎; 黎万腾; 高洪; 吴步强; 陈洁
Original assignee: Southeast Electronics Co ltd
Current assignee: Southeast Electronics Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-07-13
Anticipated expiration: 2030-11-06
Also published as: CN213691845U8

Abstract

The utility model provides a high stability point contact toggle switch, including operation handle, movable contact and two static contact, two static contact between fore-and-aft interval set up, the movable contact including elasticity bending segment and two contact heads, elasticity bending segment transversely extend and be the direction slope setting of keeping away from the static contact, the contact head setting on elasticity bending segment, and the contact head is the arris taper that extends and gradually diminish the setting towards static contact direction slope, the operation handle including the butt at the transmission portion of elasticity bending segment department, and transmission portion can set up along with operation handle lateral sliding. Not enough to prior art, the utility model provides a high stability point contact formula toggle switch, its simple structure, with low costs, and stability is stronger.

Description

High-stability point contact type toggle switch

Technical Field

The utility model relates to a high stability point contact formula toggle switch.

Background

The toggle switch is a common switch type and generally comprises a shell, an operating handle, a contact piece group and two wiring terminals, wherein the contact piece group comprises a movable contact piece and two static contact pieces, the two static contact pieces are respectively connected to the two wiring terminals, the shell comprises a chute and an inner cavity, the operating handle and the movable contact piece are respectively used for the activity of the operating handle and the movable contact piece, the operating handle and the movable contact piece are in transmission fit, and the operating handle can drive the movable contact piece to simultaneously form or remove the contact with the two static contact pieces when sliding along the chute, so that a user can form circuit connection or disconnection by toggling the operating handle.

However, in the toggle switch in the prior art, the static contact piece and the movable contact piece are generally in a line contact form, the contact area is large, in order to avoid poor contact between the static contact piece and the movable contact piece, a large force is generally required to be applied to the movable contact piece through the operating handle, the problems of complex structure and high cost of a product are easily caused, and in the process from partial contact to complete contact of the static contact piece and the movable contact piece, electric arcs are easily generated between the static contact piece and the movable contact piece, and the overall stability of the product is affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a high stability point contact formula toggle switch, its simple structure, with low costs, and stability is stronger.

In order to realize the above-mentioned purpose, the utility model provides a high stability point contact toggle switch, including operating handle, movable contact and two static contact, two static contact between fore-and-aft interval set up, the movable contact including elasticity bending segment and two contact heads, elasticity bending segment transversely extend and be the direction slope setting of keeping away from the static contact, the contact head setting on elasticity bending segment, and the contact head be towards the arris taper shape that static contact direction slope extended and gradually little set up, the operating handle including the butt in the transmission portion of elasticity bending segment department, and transmission portion can set up along with operating handle lateral sliding.

The technical scheme has the advantages that: because elasticity bending segment transversely extends and is the direction slope setting of keeping away from the static contact, and transmission portion butt can be along with the handle lateral sliding at elasticity bending segment department and transmission portion, when carrying out the slip operation to the handle, transmission portion compresses tightly elasticity bending segment and makes its deformation of buckling towards the static contact direction, make two contact heads that extend towards the static contact direction slope that set up on elasticity bending segment contact with two static contacts respectively, form the electric cooperation of linking, and because two contact heads are the arris taper shape that diminishes the setting, make and form the point contact cooperation between messenger's contact and the static contact, through the less area of contact between them, reduce both and stably connect the required power of exerting, and area of contact is less, reduce from local to the process of complete contact, avoid producing electric arc between the two, moreover, the steam generator is simple in structure, low cost and stability is stronger.

The utility model discloses can further set up to: the transmission portion including butt inclined plane and front end, the butt inclined plane can laminate with the elasticity bending section, the front end be the planishing face parallel with the static contact, and the front end can slide to the junction of corresponding circuit intercommunication position along with the transmission portion removal to elasticity bending section and contact when the operating handle.

Through further setting up, on the one hand owing to can with the setting on the butt inclined plane of elasticity bending section laminating, can be when transmission portion and elasticity bending section transmission cooperation, guarantee the bigger butt area between them, on the other hand is because the setting of elasticity bending section and contact orientation slope, during the handle to junction between them, the deformation volume of elasticity bending section is the biggest, just in time correspond circuit connected position, be the front end butt with the eccentric planishing face of static contact this moment at junction between them, reduce the horizontal component that movable contact deformation produced to the handle.

The utility model discloses can further set up to: including the casing, the casing including base and intermediate level, the base on be used for supplying the mounting groove of static contact holding, the intermediate level set up on the base, and the intermediate level can and form the butt cooperation between the static contact.

Through further setting up, hold the static contact in advance behind the mounting groove, form the butt cooperation by follow-up intermediate level and the static contact of dress on the base, it is spacing to its formation, the assembly of being convenient for.

The utility model discloses can further set up to: the casing including the upper cover, upper cover and intermediate level between the amalgamation be formed with the guide way of horizontal extension, the operating handle slide insert establish in the guide way, the guide way extend towards the base direction and be provided with the spacing groove, the movable contact spring including extending to the ear in the spacing groove.

Through further arrangement, the guide groove is formed by matching the upper cover and the middle layer, so that after the middle layer is assembled, the movable contact piece and the operating handle can be sequentially installed through the part of the guide groove, which is positioned in the middle layer, and the limiting groove, and finally the upper cover is used for limiting the movable contact piece and the operating handle, so that the assembly is further facilitated.

The utility model discloses can further set up to: the upper cover is provided with a concave part towards the direction of the middle layer, the operating handle is provided with a convex part, and the convex part can extend into the concave part when the operating handle slides to the corresponding circuit communication position.

Through further setting, when the operation handle slides to corresponding circuit intercommunication position, extend the convex part in the upper cover concave part, can constitute spacing to the operation handle, avoid the reaction force that produces behind the movable contact spring elastic deformation to promote the operation handle and produce the displacement.

The utility model discloses can further set up to: the operating handle including the operating portion, the upper cover including the spout with step the wall, the spout supply the operating portion to extend the casing outside and lateral sliding, step the wall setting in the horizontal both sides department of spout, and step the wall and establish towards intermediate level direction slope setting.

Through further setting up, let the wall setting in the horizontal both sides department of spout, and let the wall establish towards intermediate level direction slope setting, thereby the operating portion is sliding to hugging closely when the spout lateral wall, the operating portion with let and can form a conical space between the wall, make the operating portion extend the outside part of casing less or the operating portion only extend the spout in the time, the user also can be smooth operate the handle, effectual reduction is because outside the operating portion stretches out the casing, the maloperation that leads to, the condition of operating portion part damage takes place.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the present invention;

fig. 3 is a cross-sectional view taken along line a-a of fig. 2 according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram 1 of the inside of the embodiment of the present invention;

fig. 5 is a schematic structural diagram 2 of the inside of the embodiment of the present invention;

fig. 6 is a schematic structural view of the movable contact spring in the embodiment of the present invention;

fig. 7 is a schematic structural view of another connection terminal according to an embodiment of the present invention;

fig. 8 is a schematic structural view of another operation portion adopted in the embodiment of the present invention;

wherein: an operation handle 1; a transmission section 11; an abutment ramp 111; a front end 112; a convex portion 12; an operation section 13; a movable contact piece 2; an elastic bending section 21; a contact head 22; an ear portion 23; a static contact piece 3; a housing 4; a base 41; a mounting groove 411; an intermediate layer 42; a stopper groove 421; an upper cover 43; a recess 431; a chute 432; a relief wall 433; a guide groove 44; and a terminal 5.

Detailed Description

The utility model relates to an embodiment of high stability point contact formula toggle switch is shown in figures 1-8: the operating handle comprises an operating handle 1, a movable contact piece 2, two static contact pieces 3 and a shell 4, wherein the two static contact pieces 3 are longitudinally arranged at intervals, the movable contact piece 2 comprises an elastic bending section 21 and two contact heads 22, the elastic bending section 21 transversely extends and is obliquely arranged in the direction away from the static contact pieces, the contact heads 22 are arranged on the elastic bending section 21, the contact heads 22 are pyramid-shaped bodies which obliquely extend towards the direction of the static contact pieces 3 and are gradually reduced, the operating handle 1 comprises a transmission part 11 abutted against the elastic bending section 21, and the transmission part 11 can be transversely arranged along with the operating handle in a sliding manner. In this embodiment, a single-pole two-position toggle switch is used as an example, but the present invention may be applied to a single-pole single-position or single-pole multi-position toggle switch. The transmission portion 11 including butt inclined plane 111 and front end 112, butt inclined plane 111 can laminate mutually with elasticity bending segment 21, front end 112 be the planishing face parallel with static contact 3, and front end 112 can move to the junction of elasticity bending segment 21 and contact 22 along with transmission portion 11 when the handle 1 slides to corresponding circuit intercommunication position. The shell 4 comprises a base 41 and an intermediate layer 42, wherein the base 41 is provided with a mounting groove 411 for accommodating the static contact piece 3, the intermediate layer is arranged on the base, and the intermediate layer 42 can be in butt fit with the static contact piece 3. The housing 4 comprises an upper cover 43, a transversely extending guide groove 44 is formed between the upper cover 43 and the middle layer 42 in a splicing manner, the operating handle 1 is slidably inserted into the guide groove 44, a limit groove 421 extends towards the base 41 from the guide groove 44, and the movable contact piece 2 comprises an ear part 23 extending into the limit groove 421. The upper cover 43 is provided with a recess 431 in a direction toward the intermediate layer 42, the operation handle 1 is provided with a projection 12, and the projection 12 can extend into the recess 431 when the operation handle 1 slides to a corresponding circuit communication position. The operating handle 1 including operating portion 13, upper cover 43 including spout 432 and abdication wall 433, spout 432 supply operating portion 13 to extend to the casing 4 outside and lateral sliding, abdication wall 433 sets up in the horizontal both sides department of spout 432, and abdication wall 433 sets up towards intermediate level 42 direction slope setting. In the present embodiment, the operation portion 13 extends to a position flush with the surface of the housing 4. Of course, the operating portion 13 may extend out of the surface of the housing 4 as shown in fig. 8. In this embodiment, still including binding post 5, binding post 5 and stationary contact 3 integrated into one piece, binding post 5 on the side be formed with connecting portion 51, increase the contact surface and be convenient for weld, need not to set up the drilling that is used for connecting on corresponding device, of course, binding post 5 also can be as shown in fig. 7, be rectangular plug form, be convenient for use on the device that is provided with the drilling.

The above examples are only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides a high stability point contact toggle switch, including operating handle, movable contact and two static contact, its characterized in that: the movable contact piece comprises an elastic bending section and two contact heads, the elastic bending section transversely extends and is obliquely arranged in a direction away from the static contact piece, the contact heads are arranged on the elastic bending section and are pyramid-shaped bodies which obliquely extend towards the direction of the static contact piece and are gradually reduced, the operating handle comprises a transmission part which is abutted against the elastic bending section, and the transmission part can be arranged along with the transverse sliding of the operating handle.

2. The high stability point contact toggle switch of claim 1, wherein: the transmission portion including butt inclined plane and front end, the butt inclined plane can laminate with the elasticity bending section, the front end be the planishing face parallel with the static contact, and the front end can slide to the junction of corresponding circuit intercommunication position along with the transmission portion removal to elasticity bending section and contact when the operating handle.

3. A high stability point contact type toggle switch according to claim 1 or 2, wherein: including the casing, the casing including base and intermediate level, the base on be used for supplying the mounting groove of static contact holding, the intermediate level set up on the base, and the intermediate level can and form the butt cooperation between the static contact.

4. The high stability point-contact toggle switch according to claim 3, wherein: the casing including the upper cover, upper cover and intermediate level between the amalgamation be formed with the guide way of horizontal extension, the operating handle slide insert establish in the guide way, the guide way extend towards the base direction and be provided with the spacing groove, the movable contact spring including extending to the ear in the spacing groove.

5. The high stability point-contact toggle switch according to claim 4, wherein: the upper cover is provided with a concave part towards the direction of the middle layer, the operating handle is provided with a convex part, and the convex part can extend into the concave part when the operating handle slides to the corresponding circuit communication position.

6. The high stability point contact toggle switch of claim 4 or 5, wherein: the operating handle including the operating portion, the upper cover including the spout with step the wall, the spout supply the operating portion to extend the casing outside and lateral sliding, step the wall setting in the horizontal both sides department of spout, and step the wall and establish towards intermediate level direction slope setting.