Button switch base
By setting an arc-separating plate on the base of the button switch, the arc phenomenon of the button switch when it is disconnected is solved, and a higher electrical clearance and creepage distance is achieved, the reliability and stability of the button switch is improved, and it can withstand a large current load.
Patent Information
- Application Number
- CN202422259518.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-14
AI Technical Summary
Existing push-button switches are prone to arcing when the moving contacts are disconnected from normally closed contacts and normally open contacts, resulting in electrical breakdown and unable to withstand high current loads.
Arc partition plate is installed on the push button switch base to space the normally closed insert from the moving insert and normally open insert to increase the electrical clearance and creepage distance, and prevent electrical breakdown.
By increasing the electrical clearance and creepage distance, the reliability and stability of the push button switch can be improved, so that it can withstand large current loads.
Smart Images
Figure CN223066040U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of push-button switches, and particularly relates to a push-button switch base. Background Art
[0002] A push-button switch is a simple electronic component that controls the on-off of a circuit by pressing (activating) or releasing (disconnecting), thereby realizing the function of turning on or off electrical equipment. It usually consists of fixed contacts, movable contacts and springs, with intuitive operation and is widely used in various electronic products, household appliances and industrial control fields.
[0003] When the existing push-button switch disconnects the movable contact from the normally closed contact and the normally open contact, an arc phenomenon will occur. An arc is a gas discharge phenomenon, which is an instantaneous spark generated when an electric current passes through certain insulating media (such as air). Since there is usually no insulating arc separation structure between the normally closed insert piece and the movable insert piece and the normally open insert piece of the existing push-button switch, the electrical clearance and creepage distance are small. Therefore, there is an electrical breakdown phenomenon between the normally closed insert piece and the movable insert piece and the normally open insert piece due to reasons such as arcs. When the load current of the push-button switch is larger, the arc phenomenon is more serious, resulting in the inability of the push-button switch to achieve a large current load specification. Summary of the Utility Model
[0004] The utility model aims to provide a push-button switch base to solve the problems raised in the above background art.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] A push-button switch base includes a base, a movable insert piece, a normally closed insert piece, and a normally open insert piece. The base is provided with a movable jack, a normally closed jack, and a normally open jack. The movable insert piece is inserted into the movable jack, the normally closed insert piece is inserted into the normally closed jack, and the normally open insert piece is inserted into the normally open jack. An arc separation plate is provided on one side of the normally closed jack on the base, and the arc separation plate is closely attached to the inner side of the normally closed insert piece, and the arc separation plate separates the normally closed insert piece from the movable insert piece and the normally open insert piece.
[0007] Preferably, a movable contact is movably connected to the top of the movable insert piece, the top of the normally closed insert piece is bent towards the movable insert piece and provided with a normally closed contact, the top of the normally open insert piece is provided with a normally open contact, and the arc separation plate separates the normally closed insert piece from the movable contact, the normally closed contact, and the normally open contact.
[0008] Preferably, the arc separation plate is arranged along the width direction of the base, and the width dimension of the arc separation plate is the same as that of the base.
[0009] Advantageous Effects
[0010] One or more of the above technical solutions in the button switch base provided by the embodiments of the present utility model have at least one of the following technical effects:
[0011] By providing an arc isolation plate in the present utility model, the normally closed insert is separated from the moving insert and the normally open insert by the arc isolation plate, increasing the electrical clearance and creepage distance between the normally closed insert and the normally open insert. Its function is to prevent electrical breakdown caused by arcs or other reasons under normal working conditions. The greater the electrical clearance and creepage distance, the higher the voltage that the button switch can withstand. This enables the button switch to pass a larger current load, thereby improving the reliability and stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;
[0013] Figure 2 is a schematic diagram of the base structure of the present utility model;
[0014] Figure 3 is a schematic diagram of the structures of the moving insert, normally closed insert, and normally open insert of the present utility model;
[0015] The corresponding relationship between the reference numerals and component names in the drawings is as follows:
[0016] 1. Base; 2. Moving insert; 3. Normally closed insert; 4. Normally open insert; 5. Moving jack; 6. Normally closed jack; 7. Normally open jack; 8. Arc isolation plate; 9. Moving contact; 10. Normally closed contact; 11. Normally open contact. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] The technical solutions of the present utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.
[0018] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.
[0019] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "arranged", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0020] As Figures 1 - 3 shown, it is a schematic structural diagram of a button switch base according to a preferred embodiment of the present utility model;
[0021] In this embodiment, it includes a base 1, a moving insert 2, a normally closed insert 3, and a normally open insert 4. The base 1 is provided with a moving jack 5, a normally closed jack 6, and a normally open jack 7. The moving insert 2 is inserted into the moving jack 5, the normally closed insert 3 is inserted into the normally closed jack 6, and the normally open insert 4 is inserted into the normally open jack 7. An arc isolation plate 8 is integrally and fixedly arranged on one side of the base 1 where the normally closed jack 6 is located. The arc isolation plate 8 is in close contact with the inner side of the normally closed insert 3. The arc isolation plate 8 separates the normally closed insert 3 from the moving insert 2 and the normally open insert 4, so that there is a good arc isolation and insulation effect between the normally closed insert 3 and the moving insert 2 and the normally open insert 4, effectively improving the electrical clearance and creepage distance.
[0022] In this embodiment, a moving contact 9 is movably connected to the top of the moving insert 2. The top of the normally closed insert 3 is bent towards the moving insert 2 and is provided with a normally closed contact 10. The top of the normally open insert 4 is provided with a normally open contact 11. The arc isolation plate 8 separates the normally closed insert 3 from the moving contact 9, the normally closed contact 10, and the normally open contact 11, which can effectively isolate and insulate the normally closed insert 3 and effectively avoid the phenomenon of arc breakdown.
[0023] In this embodiment, the arc isolation plate 8 is arranged along the width direction of the base 1, and the arc isolation plate 8 has the same width dimension as the base 1. When assembling, the base 1 is installed into the base of the button switch, and both sides of the arc isolation plate 8 are in contact with the two inner walls of the base of the button switch, so that the isolation and insulation performance of the normally closed insert 3 is optimal.
[0024] For a button switch base of the present utility model, its installation method, connection method, or setting method is a common mechanical method, and any method that can achieve its beneficial effects can be implemented.
[0025] The technologies not described in detail in the present utility model are all well-known technologies. Those skilled in the art can easily implement the present utility model on the basis of understanding this specification, and the content shown in the drawings is a part of this specification.
[0026] The above content further elaborates on the present utility model in combination with specific embodiments. It cannot be determined that the specific implementation of the present utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the present utility model pertains, without departing from the concept of the present utility model, several simple deductions or substitutions can still be made, and all should be regarded as belonging to the protection scope determined by the claims submitted for the present utility model.
Claims
1. A button switch base, comprising a base (1), a movable insert (2), a normally closed insert (3), and a normally open insert (4). The base (1) is provided with a movable jack (5), a normally closed jack (6), and a normally open jack (7). The movable insert (2) is inserted into the movable jack (5), the normally closed insert (3) is inserted into the normally closed jack (6), and the normally open insert (4) is inserted into the normally open jack (7). It is characterized in that: On one side of the normally-closed jack (6) on the base (1), an arc separation plate (8) is provided. The arc separation plate (8) is in close contact with the inner side of the normally-closed insertion piece (3), and the arc separation plate (8) separates the normally-closed insertion piece (3) from the moving insertion piece (2) and the normally-open insertion piece (4).
2. The push-button switch base according to claim 1, wherein: A moving contact (9) is movably connected to the top of the moving insertion piece (2). The top of the normally-closed insertion piece (3) is bent towards the moving insertion piece (2) and is provided with a normally-closed contact (10). The top of the normally-open insertion piece (4) is provided with a normally-open contact (11). The arc separation plate (8) separates the normally-closed insertion piece (3) from the moving contact (9), the normally-closed contact (10), and the normally-open contact (11).
3. The push-button switch base according to claim 1, wherein: The arc separation plate (8) is arranged along the width direction of the base (1), and the arc separation plate (8) has the same width dimension as the base (1).