CN212411898U

CN212411898U - Metal button normally closed switch

Info

Publication number: CN212411898U
Application number: CN202021097943.8U
Authority: CN
Inventors: 汪信红
Original assignee: Yueqing Yongli Switch Co ltd
Current assignee: Yueqing Yongli Switch Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-01-26
Anticipated expiration: 2030-06-15

Abstract

A metal button normally closed switch. The method is characterized in that: a 7-shaped first pin and a 7-shaped second pin are arranged in the mounting groove, the upper end of the first pin is bent to form a first contact part, the upper end of the second pin is bent to form a second contact part, and the second contact part extends to the lower part of the first contact part and keeps contact with the first contact part; the button lower extreme is equipped with and stretches into in the mounting groove and the boss of pressing that corresponds with the second contact site, presses the boss overcoat and is equipped with the waterproof circle of elasticity, and the waterproof circle of elasticity forms sealed cooperation with the mounting groove inner wall, and can form sealed spacing cooperation with spacing boss. The waterproof sealing device has the advantages that the first pin and the second pin are in a 7 shape, normal close reliable contact is guaranteed, self-reset can be achieved through self elasticity, the button passes through the elastic waterproof ring, self-reset is achieved, the waterproof sealing effect is achieved, the structure of the whole waterproof sealing device is simple and compact, the number of parts is small, and the cost is low.

Description

Metal button normally closed switch

Technical Field

The utility model relates to a switch, concretely relates to metal button normally closed switch.

Background

The push-button switch is a switch which utilizes a push button to push a transmission mechanism, so that a movable contact and a fixed contact are connected or disconnected, and the circuit is switched. Metal push button switches are popular with a wide range of users due to their high strength and tamper resistance.

Most of the existing metal button switches are of normally-open structures, are communicated when pressed down, and are automatically reset and disconnected when loosened. Of course, the normally closed structure is also available, but the whole structure is complex and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the deficiency of the background art, the utility model provides a metal button normally closed switch.

The utility model discloses the technical scheme who adopts: a metal button normally closed switch comprises a base, a button and a metal shell sleeved outside the base and the button; a mounting groove which is recessed downwards is formed in the center of the base, and a limiting boss is formed on the inner wall of the mounting groove; a 7-shaped first pin and a 7-shaped second pin are installed in the installation groove, the upper end of the first pin is bent to form a first contact part, the upper end of the second pin is bent to form a second contact part, and the second contact part extends to the lower part of the first contact part and keeps contact with the first contact part; the button lower extreme is equipped with and stretches into in the mounting groove and the boss of pressing that corresponds with the second contact site, it is equipped with the waterproof circle of elasticity to press the boss overcoat, the waterproof circle of elasticity forms sealed cooperation with the mounting groove inner wall, and can form sealed spacing cooperation with spacing boss.

Two first guide grooves which are symmetrical and longitudinally arranged are formed on the limiting boss, and limiting clamping grooves are formed in the side walls of the first guide grooves; the first pins and the second pins are respectively arranged in the two first guide grooves, and insertion parts capable of being inserted into the limiting clamping grooves are formed.

Two symmetrical and longitudinally-arranged second guide grooves are formed in the limiting boss, and a guide boss matched with the second guide grooves is formed in the side wall of the pressing boss.

And the mounting groove is internally provided with a lamp bead and two lamp feet for connecting the lamp bead.

And the mounting groove is internally provided with a lamp bead and two lamp feet connected with the lamp bead, and the two lamp feet are respectively arranged in the two second guide grooves.

The elastic waterproof ring is of an umbrella-shaped structure

The elastic waterproof ring is made of rubber materials.

The lower end of the button is in limit fit with the upper end of the base.

A concave groove is formed in the center of the upper end of the button, and a stainless steel cap is embedded into the concave groove.

When the circuit works normally, the second contact part and the first contact part keep normally closed contact, and the circuit is switched on; when the button is pressed, the pressing boss can push the second contact part to bend downwards to be separated from the first contact part, the circuit is disconnected, and meanwhile, the elastic waterproof ring is stressed and compressed; when the button is loosened, the button can realize automatic reset under the action of the elastic reset force of the elastic waterproof ring, and meanwhile, the second contact part realizes automatic reset due to the elasticity of the second contact part, is in contact with the first contact part and is connected with a circuit.

The utility model has the advantages that: the first stitch and the second stitch are in a 7 shape, so that the normal close reliable contact is guaranteed, the self-resetting can be realized through the elasticity of the first stitch and the second stitch, the self-resetting is realized through the elastic waterproof ring of the button, the waterproof sealing effect is also realized, the structure of the whole machine is simple and compact, the number of parts is small, and the cost is low.

Drawings

Fig. 1 is a schematic structural view of a metal button normally closed switch according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the base, the first pins and the second pins according to the embodiment of the present invention.

Fig. 3 is a diagram illustrating the result of the button according to the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a base according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a second pin according to an embodiment of the present invention.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown in the figure, the metal button normally closed switch comprises a base 1, a button 2, a metal shell 3, a first pin 4 and a second pin 5.

The metal shell 3 is internally provided with an installation cavity which is communicated up and down, and externally provided with an external thread structure.

The lower extreme position at metal casing 3 installation intracavity is fixed to base 1, and the center is equipped with mounting groove 11 of undercut, mounting groove 11 inner wall is formed with spacing boss 12, be formed with the first guide way 13 and the second guide way 15 of two symmetries and vertical settings on spacing boss 12, first guide way 13 lateral wall is formed with spacing draw-in groove 14.

First stitch 4 and second stitch 5 adopt elastic metal material, and its structure all is "7" font structure to install respectively in two first guide way 13, and first stitch 4 all is formed with the grafting portion that can insert spacing draw-in groove 14 with second stitch 5 both sides limit, through inserting spacing draw-in groove 14, during fixed mounting, direct correspondence insert first stitch 4 and second stitch 5 alright, convenient operation, mounting groove 11 bottom can be worn out with second stitch 5 lower extreme to first stitch 4, and is more reliable for the installation, and first stitch 4 can also form the pawl structure with second stitch 5 both sides limit.

The upper end of the first pin 4 is bent to form a first contact part 41, the upper end of the second pin 5 is bent to form a second contact part 42, and the second contact part 42 extends to the lower part of the first contact part 41 and keeps contact with the first contact part 41.

The button 2 slides and sets up the upper end position in 3 installation chambeies of metal casing, 2 lower extremes of button and the spacing cooperation in 1 upper end of base, the upper end and 3 spacing cooperations of metal casing can slide the action within a certain limit.

2 lower extremes of button are equipped with presses boss 21, it is corresponding with second contact site 42 to press boss 21 to stretch into in the mounting groove 11, press boss 21 lateral wall to be formed with the direction boss 22 with the 15 adaptations of second guide way, realize that circumference is spacing, avoid 2 rotatory squints of button, guarantee that 2 actions of button are reliable, it is equipped with waterproof circle 6 of elasticity to press boss 21 overcoat, waterproof circle 6 of elasticity forms sealed cooperation with the 11 inner walls of mounting groove, and can form sealed spacing cooperation with spacing boss 12.

The elastic waterproof ring 6 is made of rubber materials, the elastic waterproof ring 6 is of an umbrella-shaped structure, enough deformation space is guaranteed, and sealing and resetting effects are guaranteed.

The button 2 upper end center is formed with depressed groove 23, the embedding has stainless steel cap 9 in the depressed groove 23, and the stress point of action is pressed in the effect of stainless steel cap 9, and is reliable not fragile, and the appearance is pleasing to the eye.

When the circuit works normally, the second contact part 51 keeps normally closed contact with the first contact part 41, and the circuit is switched on; when the button 2 is pressed, the pressing boss 21 pushes the second contact part 51 to bend downwards to be separated from the first contact part 41, the circuit is disconnected, and meanwhile, the elastic waterproof ring 6 is matched with the limiting boss 12 to be stressed and compressed; when the button 2 is released, the button 2 automatically resets under the elastic resetting force of the elastic waterproof ring 6, and the second contact part 51 automatically resets due to the elasticity thereof and is in contact with the first contact part 41 again to complete the circuit.

Adopt above-mentioned scheme, first stitch 4 is "7" font with second stitch 5, has both guaranteed the reliable contact of normal close, can realize from restoring to the throne through self elasticity again, and button 2 passes through waterproof circle 6 of elasticity, has both realized from restoring to the throne, plays waterproof sealing effect again, and complete machine simple structure is compact, and the part is few, and is with low costs.

In addition, still install two lamp feet 8 of lamp pearl 7 and connection lamp pearl 7 in the mounting groove 11, further increase instruction function, wherein, two lamp feet 8 can set up respectively in two second guide slots 15, and structural layout is reasonable.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.

Claims

1. A metal button normally closed switch comprises a base (1), a button (2) and a metal shell (3) sleeved outside the base (1) and the button (2); the method is characterized in that: a mounting groove (11) which is recessed downwards is formed in the center of the base (1), and a limiting boss (12) is formed on the inner wall of the mounting groove (11); a 7-shaped first pin (4) and a 7-shaped second pin (5) are mounted in the mounting groove (11), the upper end of the first pin (4) is bent to form a first contact part (41), the upper end of the second pin (5) is bent to form a second contact part (42), and the second contact part (42) extends to the lower part of the first contact part (41) and keeps contact with the first contact part; button (2) lower extreme is equipped with and stretches into in mounting groove (11) and presses boss (21) that correspond with second contact site (42), it is equipped with waterproof circle of elasticity (6) to press boss (21) overcoat, waterproof circle of elasticity (6) and mounting groove (11) inner wall form sealed cooperation, and can form sealed spacing cooperation with spacing boss (12).

2. A metal push button normally closed switch according to claim 1, wherein: two first guide grooves (13) which are symmetrical and longitudinally arranged are formed on the limiting boss (12), and limiting clamping grooves (14) are formed in the side walls of the first guide grooves (13); the first pins (4) and the second pins (5) are respectively arranged in the two first guide grooves (13) and are provided with insertion parts capable of being inserted into the limiting clamping grooves (14).

3. A metal push button normally closed switch according to claim 1, wherein: two second guide grooves (15) which are symmetrical and longitudinally arranged are formed in the limiting boss (12), and a guide boss (22) matched with the second guide grooves (15) is formed on the side wall of the pressing boss (21).

4. A metal push button normally closed switch according to claim 1, wherein: and a lamp bead (7) and two lamp feet (8) connected with the lamp bead (7) are also arranged in the mounting groove (11).

5. A metal push button normally closed switch according to claim 3, wherein: still install lamp pearl (7) and two lamp feet (8) of connecting lamp pearl (7) in mounting groove (11), two lamp feet (8) set up respectively in two second guide slots (15).

6. A metal push button normally closed switch according to claim 1, wherein: the elastic waterproof ring (6) is of an umbrella-shaped structure.

7. A metal push button normally closed switch according to claim 1, wherein: the elastic waterproof ring (6) is made of rubber materials.

8. A metal push button normally closed switch according to claim 1, wherein: the lower end of the button (2) is in limit fit with the upper end of the base (1).

9. A metal push button normally closed switch according to claim 1, wherein: a concave groove (23) is formed in the center of the upper end of the button (2), and a stainless steel cap (9) is embedded into the concave groove (23).