CN215342374U - Push-button switch - Google Patents

Abstract

The utility model relates to a button switch, wherein a waterproof sealing ring of the button switch comprises a horn cylinder, an upper annular step and a lower annular step, wherein the horn cylinder is integrally formed, the upper annular step is arranged above the horn cylinder, the lower annular step is arranged below the horn cylinder, an upper connecting ring is arranged on the upper annular step, a connecting ring groove is arranged on the outer wall of a connecting boss, clamping rings are arranged on the upper end surface and the lower end surface of the lower annular step, and clamping grooves for clamping the clamping rings are arranged on a cavity step and an inner shell sleeve between an upper cavity and a lower cavity. An upper annular step and a lower annular step are arranged at two ends of the waterproof sealing ring, an upper connecting ring is arranged on the upper annular step, and a connecting ring groove is arranged on the outer wall of the connecting boss; simultaneously set up the joint ring on the upper and lower terminal surface of annular step down to cavity step and the inner shell between last cavity and lower cavity are sheathe in and are set up the draw-in groove, make connection that waterproof sealing circle can be stable on push rod and shell, thereby avoid making the waterproof sealing circle the skew original mounted position's the condition appear because the frequent operation of switch.

Description

Push-button switch

Technical Field

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

Background

The push-button switch (English name: push-button switch) is a switch which uses a push button to push a transmission mechanism, so as to make or break a movable contact and a fixed contact and realize circuit switching. The button switch is a master control electrical appliance with simple structure and wide application. In an electric automatic control circuit, it is used to manually send out control signals to control a contactor, a relay, an electromagnetic starter, and the like.

Among the prior art, in order to increase button switch's waterproof performance, generally can set up waterproof sealing ring in button switch, current waterproof sealing ring is direct suit on the push rod (as the novel mistake operating device that prevents of a switch that application number is disclosed in 201821325937.6), lack be used for with waterproof sealing ring complex connection structure, connect unstablely, after the frequent operation of switch uses, the skew original mounted position's of waterproof sealing ring skew condition appears easily, lead to the water-proof effects inefficacy.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies in the background art, the present invention provides a push button switch.

The technical scheme adopted by the utility model is as follows: a button switch comprises an outer shell, a button assembly, an inner shell sleeve, a base and a circuit board switch installed on the base, wherein the button assembly comprises a button, a push rod and a touch panel, an upper cavity and a lower cavity are arranged in the outer shell, a connecting nut is connected to the outer shell in a threaded manner, a return spring and a waterproof sealing ring are further included, a connecting boss extends from the lower end of the button, a fixing hole for fixing the button assembly with the push rod is formed in the connecting boss, the waterproof sealing ring comprises an integrally formed horn cylinder, an upper annular step arranged above the horn cylinder and extending inwards, and a lower annular step arranged below the horn cylinder and extending outwards, an upper connecting ring is arranged on the upper annular step, a connecting ring groove used for embedding the upper connecting ring is formed in the outer wall of the connecting boss, clamping rings are arranged on the upper end face and the lower end face of the lower annular step, and a clamping groove used for clamping the clamping rings to be clamped into is formed in the upper cavity and the lower cavity and the inner shell sleeve, the return spring is sleeved on the push rod, the upper end of the return spring is abutted against the connecting boss, and the other end of the return spring is abutted against the inner shell sleeve.

Furthermore, a pouring inclined plane is arranged at the bottom of the connecting boss.

Further, the cross section of the upper annular step is of a trapezoidal structure.

Furthermore, the push rod comprises a connecting rod connected with the button and a contact mounting seat arranged in the inner shell, and a contact plate groove used for mounting a contact plate is arranged in the contact mounting seat.

Further, a contact plate pressing-in inclined plane is arranged at the lower end of the contact plate groove, and a chamfer is arranged on the outer edge of the upper end of the lower magnet.

Furthermore, the end face of the base, which is abutted against the inner shell sleeve, is provided with at least two rings of convex tooth rings, and the lower end face of the inner shell sleeve is provided with a concave tooth groove for clamping the convex tooth rings.

Furthermore, a plurality of ball grooves are uniformly distributed on the inner wall of the lower end of the shell in an annular mode, balls are arranged in the ball grooves, ball springs are arranged between the balls and the ball grooves, and ball grooves in one-to-one correspondence to the balls are formed in the base.

The utility model has the beneficial effects that: according to the utility model, the upper annular step and the lower annular step are arranged at two ends of the waterproof sealing ring, the upper connecting ring is arranged on the upper annular step, and the connecting ring groove for embedding the upper connecting ring is arranged on the outer wall of the connecting boss; set up the joint ring simultaneously on the upper and lower terminal surface of annular step down to cavity step and the inner shell between last cavity and the lower cavity are sheathe in and are used for the draw-in groove that the joint ring card was gone into, make connection that waterproof sealing circle can be stable on push rod and shell, thereby avoid making the waterproof sealing circle the skew original mounted position's the condition appear because the switch frequently operates, guarantee its waterproof nature, improve life.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided.

The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

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

Fig. 2 is a schematic cross-sectional view of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an enlarged schematic view of B in fig. 2.

Fig. 5 is an enlarged schematic view of C in fig. 2.

In FIGS. 1-5: 1. a housing; 2. an inner shell sleeve; 3. a base; 4. a circuit board switch; 5. a button; 6. a push rod; 7. a touch panel; 8. an upper cavity; 9. a lower cavity; 10. a connecting nut; 11. a return spring; 12. a waterproof sealing ring; 13. connecting the bosses; 14. a fixing hole; 15. a horn; 16. an upper annular step; 17. a lower annular step; 18. an upper connecting ring; 19. a connecting ring groove; 20. a snap ring; 21. a cavity step; 22. a card slot; 23. pouring into an inclined plane; 24. a connecting rod; 25. a contact mounting base; 26. a touch plate groove; 27. pressing the touch plate into the inclined plane; 28. chamfering; 29. a toothed ring; 30. a concave gullet; 31. a ball groove; 32. a ball bearing; 33. a ball spring; 34. a ball groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

The utility model provides a push-button switch.

In this embodiment, referring to fig. 1-5, the button switch includes an outer shell 1, a button assembly, an inner shell 2, a base 3, and a circuit board switch 4 installed on the base, where the button assembly includes a button 5, a push rod 6, and a touch panel 7, the outer shell is provided with an upper cavity 8 and a lower cavity 9, the outer shell is screwed with a connection nut 10, the button assembly further includes a return spring 11 and a waterproof sealing ring 12, the lower end of the button extends to form a connection boss 13, the connection boss is provided with a fixing hole 14 for fixing with the push rod, the waterproof sealing ring includes an integrally formed horn-shaped cylinder 15, an upper annular step 16 disposed above the horn-shaped cylinder and extending inward, and a lower annular step 17 disposed below the horn-shaped cylinder and extending outward, the upper annular step is provided with an upper connection ring 18, the outer wall of the connection boss is provided with a connection ring groove 19 for embedding the upper connection ring, the upper end face and the lower end face of the lower annular step are provided with clamping rings 20, a clamping groove 22 for clamping the clamping rings is formed in the cavity step 21 between the upper cavity and the lower cavity and the inner shell sleeve, the return spring is sleeved on the push rod, the upper end of the return spring abuts against the connecting boss, and the other end of the return spring abuts against the inner shell sleeve.

In the technical scheme, the two ends of the waterproof sealing ring are provided with the upper annular step and the lower annular step, the upper annular step is provided with the upper connecting ring, and the outer wall of the connecting boss is provided with the connecting ring groove for embedding the upper connecting ring; set up the joint ring simultaneously on the upper and lower terminal surface of annular step down to cavity step and the inner shell between last cavity and the lower cavity are sheathe in and are used for the draw-in groove that the joint ring card was gone into, make connection that waterproof sealing circle can be stable on push rod and shell, thereby avoid making the waterproof sealing circle the skew original mounted position's the condition appear because the switch frequently operates, guarantee its waterproof nature, improve life.

In addition, as shown in fig. 2, the middle part of the waterproof sealing ring adopts a horn structure with a large upper part and a large lower part, so that the deformation resistance and the deformation degree during pressing can be effectively reduced, and the service life of the sealing ring is prolonged.

Specifically, the bottom of the connecting boss is provided with a pouring inclined plane 23.

The inclined plane is poured through the setting, and the waterproof sealing ring of being convenient for embolias the connection boss, improves the convenience of installation.

Specifically, the section of the upper annular step is of a trapezoidal structure;

the upper annular step adopts a trapezoidal structure, so that the connection is more stable and reliable.

Specifically, the push rod comprises a connecting rod 24 connected with the button and a contact mounting seat 25 arranged in the inner shell, and a contact plate groove 26 for mounting a contact plate is arranged in the contact mounting seat; the lower end of the contact plate groove is provided with a contact plate press-in inclined plane 27, and the outer edge of the upper end of the lower magnet is provided with a chamfer 28.

Among the above-mentioned technical scheme, the touch panel is installed in the contact mount pad to set up the touch panel inclined plane of impressing at touch panel groove lower extreme, magnet upper end outer fringe is equipped with the chamfer down, is convenient for the touch panel to impress and installs on the contact mount pad, improves the packaging efficiency.

Specifically, the end face of the base, which is abutted against the inner shell sleeve, is provided with at least two rings of convex tooth rings 29, and the lower end face of the inner shell sleeve is provided with a concave tooth groove 30 for clamping the convex tooth rings.

The convex tooth ring and the concave tooth groove which are mutually embedded are arranged between the base and the inner shell sleeve, so that the waterproof and dustproof capacity is improved.

Specifically, a plurality of ball grooves 31 are evenly distributed on the inner wall of the lower end of the shell in an annular mode, balls 32 are arranged in the ball grooves, ball springs 33 are arranged between the balls and the ball grooves, and ball grooves 34 corresponding to the balls in a one-to-one mode are formed in the base.

The base is connected with the shell through the elastic ball, so that the base is convenient to disassemble and assemble, and the antenna position of the base can be adjusted at will.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims (7)

1. The utility model provides a button switch, includes shell, button assembly, interior shell cover, base and installs the circuit board switch on the base, button assembly includes button, push rod and touch panel, be equipped with cavity and lower cavity in the shell, threaded connection has coupling nut, its characterized in that on the shell: still include return spring and waterproof sealing circle, the button lower extreme extends there is the connection boss, be equipped with in the connection boss and be used for the fixed orifices with the push rod, waterproof sealing circle includes integrated into one piece's a horn section of thick bamboo, set up at a horn section of thick bamboo top and the last annular step of inwards extending and set up at a horn section of thick bamboo below and the lower annular step of outwards extending, upward be equipped with the go-between on the annular step, be equipped with the connection annular that is used for going up the go-between embedding on the connection boss outer wall, be equipped with the joint ring on the upper and lower terminal surface of lower annular step, cavity step and the inner shell between last cavity and the lower cavity are sheathe in and are equipped with the draw-in groove that is used for joint ring card to go into, return spring suit is on the push rod, and return spring upper end offsets with the connection boss, and the other end offsets with the inner shell cover.

2. The push button switch of claim 1, wherein: the bottom of the connecting boss is provided with a pouring inclined plane.

3. The push button switch of claim 1, wherein: the section of the upper annular step is of a trapezoidal structure.

4. The push button switch of claim 1, wherein: the push rod comprises a connecting rod connected with the button and a contact mounting seat arranged in the inner shell, and a contact plate groove used for mounting a contact plate is formed in the contact mounting seat.

5. The push button switch according to claim 4, wherein: the lower end of the contact plate groove is provided with a contact plate press-in inclined plane, and the outer edge of the upper end of the contact plate is provided with a chamfer.

6. The push button switch of claim 1, wherein: the end face of the base, which is abutted against the inner shell sleeve, is provided with at least two rings of convex tooth rings, and the lower end face of the inner shell sleeve is provided with a concave tooth groove for the convex tooth rings to be clamped in.

7. The push button switch according to claim 1 or 6, wherein: the ball bearing is characterized in that a plurality of ball grooves are uniformly distributed in an annular manner on the inner wall of the lower end of the shell, balls are arranged in the ball grooves, ball springs are arranged between the balls and the ball grooves, and ball grooves corresponding to the balls one to one are formed in the base.

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