Metal button switch
By setting a movable contact installation groove in the middle of the push rod of the metal button switch, and setting corresponding installation grooves, clamp slots and pin connection holes at the bottom of the button, the problem of excessive length and poor stability of the traditional metal button switch is solved, and more efficient space utilization and stability are achieved.
Patent Information
- Application Number
- CN202422090943.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-08-28
AI Technical Summary
The overall length of traditional metal push button switches is too long, has poor stability, and has low space utilization.
A new metal push button switch is designed, with a longitudinally extending movable contact mounting groove in the middle of the push rod, and a mounting groove, a slot and a pin connection hole connected to the mounting groove are provided at the bottom of the button. Through these structures, the connection stability and space utilization of the button and the push rod are improved.
An efficient connection between the push rod and the button is achieved, reducing the overall length and improving stability and space utilization.
Smart Images
Figure CN222965968U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of switches, and in particular relates to a metal button switch. Background Art
[0002] A metal push button switch refers to a switch that uses a button to push a transmission mechanism to connect or disconnect the moving contact and the static contact and realize circuit switching. The structure of a traditional metal push button switch includes: a base, a bushing provided at the upper end of the base, and a metal shell provided outside the bushing. A group of wiring pins are provided on the base, a button is provided on the top of the shell, a push rod is connected to the lower end of the button, a static contact is provided on the top of the wiring pin, and a moving contact that cooperates with the static contact is provided at the lower end of the push rod. In order to realize the normally closed state of the switch, a peach heart lock structure (self-locking structure) is usually provided in the switch. The peach heart lock structure is mainly composed of a peach heart lock groove, a lock sheet and a lock hook. The connection structure between the traditional button and the push rod is not designed reasonably. For example, the connection part at the bottom of the button and the push rod make the overall length of the metal push button switch longer, the stability is poor, and the space utilization rate is low. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a metal push button switch with short length, good stability and high space utilization.
[0004] To solve the above problems, the technical solution adopted by the utility model includes: a base, a bushing arranged at the upper end of the base and a shell arranged outside the bushing, the base is provided with a group of wiring pins, the top of the shell is provided with a button, the lower end of the button is connected to a push rod, the top of the wiring pin is provided with a static contact, the lower end of the push rod is provided with a moving contact that cooperates with the static contact for on-off, and it is characterized in that: a longitudinally extending moving contact mounting groove is provided in the middle of the push rod, a mounting plate is integrally formed on the top, a group of circumferentially arranged buckles are integrally formed on the edge of the mounting plate, an upper positioning column is integrally formed at the center of the upper end, a pin connection hole is provided in the middle of the upper positioning column, and a mounting groove connected to the mounting plate, a clamping groove connected to the buckle and a pin connection column connected to the pin connection hole are provided at the bottom of the button.
[0005] The metal button switch is characterized in that the button is covered with a metal cap.
[0006] The metal push button switch is characterized in that first hooks are provided on both sides of the lower end of the push rod, the bushing is provided with a slide groove adapted to the push rod, and a hanging platform connected to the first hook is provided below the slide groove.
[0007] The metal button switch is characterized in that: a heart-shaped lock groove is integrally formed on both sides of the push rod, a lock rod is provided on the heart-shaped lock groove, the lock rod is U-shaped, a bearing plate is provided in the bushing, and clearance holes are provided on both sides of the bearing plate, and a U-shaped groove connected to the lower end of the lock rod is provided at the bottom.
[0008] The metal push button switch is characterized in that the pin connection hole and the pin connection column are square.
[0009] The metal push button switch is characterized in that the bushing is hung with the second hooks on both sides of the base through the hanging hole plates on both sides, and a PCB board positioning foot is provided inside the bushing, and a group of circumferentially arranged shell crimping ribs are provided on the outer wall.
[0010] The metal push button switch is characterized in that a first spring positioning column is provided in the movable contact installation groove of the push rod, a second spring positioning column is provided at the bottom, and a third spring positioning column is provided in the bushing.
[0011] The metal push button switch is characterized in that a sealing ring is provided between the push rod and the bushing.
[0012] The main advantages of the metal push button switch of the utility model are as follows: the connection between the push rod and the button has the advantages of low height, good stability and a large pressing end surface of the button.
[0013] The utility model is further described below in conjunction with the accompanying drawings of the specification. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of the metal push button switch of the utility model;
[0015] Figure 2 It is a cross-sectional view of the metal push button switch of the utility model;
[0016] Figure 3 It is an exploded view of the metal push button switch of the utility model;
[0017] Figure 4 It is a front structural schematic diagram of the bushing of the utility model;
[0018] Figure 5 It is a schematic diagram of the bottom structure of the bushing of the utility model;
[0019] Figure 6 It is a front structural schematic diagram of the push rod of the utility model;
[0020] Figure 7 It is a schematic diagram of the bottom structure of the push rod of the utility model;
[0021] Figure 8 It is a structural schematic diagram of a button of the utility model. DETAILED DESCRIPTION
[0022] Reference Figure 1-8 As shown, the metal push button switch of the utility model comprises a base 1, a bushing 2 arranged at the upper end of the base 1 and a shell 3 arranged outside the bushing 2. A group of wiring pins 4 are arranged on the base 1, a button 5 is arranged at the top of the shell 3, a push rod 6 is connected to the lower end of the button 5, a static contact 7 is arranged at the top of the wiring pin 4, and a moving contact 8 that cooperates with the static contact 7 is arranged at the lower end of the push rod 6. A longitudinally extending moving contact mounting groove 9 is arranged in the middle of the push rod 6, a mounting plate 10 is integrally formed at the top of the push rod 6, four circumferentially arranged buckles 11 are integrally formed at the edge of the mounting plate 10, and an upper positioning column 12 is integrally formed at the center of the upper end of the mounting plate 10. The moving contact 8 is installed in the moving contact mounting groove 9, and a first reset spring 34 is arranged at the upper end of the moving contact 8 for buffering the moving contact 8 and more stably holding the static contact 7. A pin hole 13 is provided in the middle of the upper positioning column 12, and a mounting groove 14 connected to the mounting plate 10, a clamping groove 15 connected to the buckle 11, and a pin column 16 connected to the pin hole 13 are provided at the bottom of the button 5. A second return spring 35 is provided at the lower end of the push rod 6 for returning to its original position after being pressed. When assembling, the button 5 can be pressed in from top to bottom. The button 5 is covered with a metal cap 17 to improve the aesthetics and texture.
[0023] Preferably, first hooks 18 are provided on both sides of the lower end of the push rod 6, the bushing 2 is provided with a slide groove 19 adapted to the push rod 6, and a hanging platform 20 connected to the first hook 18 is provided below the slide groove 19. During operation, the push rod 6 slides up and down along the slide groove 19, and the first hook 18 and the hanging platform 20 are connected and cooperated to position the push rod 6 after it is in place.
[0024] Preferably, a heart-shaped lock groove 21 is integrally formed on both sides of the push rod 6, a lock rod 22 is provided on the heart-shaped lock groove 21, and the lock rod 22 is U-shaped. A bearing plate 23 is provided in the bushing 2, and clearance holes 24 are provided on both sides of the bearing plate 23. A U-shaped groove 25 connected to the lower end of the lock rod 22 is provided at the bottom of the bearing plate 23. The lower end of the lock rod 22 is placed in the U-shaped groove 25, and a baffle 36 covering the U-shaped groove 25 is provided on the base 1. Through the above structure, the lock rod 22 is easy to install and has good stability. The working principle of the lock rod 22 and the heart-shaped lock groove 21 is a well-known technology and will not be repeated here.
[0025] Preferably, the pin-connecting hole 13 and the pin-connecting column 16 are both square, so that after the pin-connecting column 16 is inserted into the pin-connecting hole 13, the button 5 and the push rod 6 are prevented from rotating.
[0026] Preferably, the bushing 2 is connected to the second hooks 27 on both sides of the base 1 through the hanging hole plates 26 on both sides, and a PCB board positioning foot 28 is provided in the bushing 2, and a group of circumferentially arranged shell crimping convex ribs 29 are provided on the outer wall of the bushing 2. The PCB board positioning foot 28 is used to press the LED circuit board in the switch to fix the LED circuit board. The shell crimping convex ribs 29 are crimped with the shell 3 to improve the stability of the connection of the shell 3.
[0027] Preferably, a first spring positioning column 30 is provided in the movable contact installation groove 9 of the push rod 6, and the upper end of the first return spring 34 is positioned on the first spring positioning column 30. A second spring positioning column 31 is provided at the bottom of the push rod 6, and a third spring positioning column 32 is provided in the bushing 2. The two ends of the second return spring 35 are respectively positioned at the second spring positioning column 31 and the third spring positioning column 32, so as to improve the installation stability of the first return spring 34 and the second return spring 35.
[0028] Preferably, a sealing ring 33 is provided between the push rod 6 and the bushing 2, and the upper end of the sealing ring 33 abuts against the mounting plate 10 to improve the waterproof performance of the switch.
[0029] As mentioned above, the present invention is not limited in any form. Although the present invention has been disclosed as a preferred implementation case as above, it is not used to limit the present invention. Any technician familiar with the profession can make some changes or modifications to the equivalent implementation cases of equivalent changes by using the above-disclosed structures and technical contents without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above implementation cases based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. A metal push button switch, comprising a base (1), a bushing (2) arranged at the upper end of the base (1), and a housing (3) arranged outside the bushing (2), wherein the base (1) is provided with a group of wiring pins (4), the top of the housing (3) is provided with a button (5), the lower end of the button (5) is connected to a push rod (6), the top of the wiring pin (4) is provided with a stationary contact (7), and the lower end of the push rod (6) is provided with a moving contact (8) that cooperates with the stationary contact (7) for switching, wherein: A longitudinally extending moving contact mounting groove (9) is provided in the middle of the push rod (6), a mounting plate (10) is integrally formed on the top, a group of circumferentially arranged buckles (11) are integrally formed on the edge of the mounting plate (10), an upper positioning column (12) is integrally formed in the center of the upper end, a pin connection hole (13) is provided in the middle of the upper positioning column (12), and a mounting groove (14) connected to the mounting plate (10), a clamping groove (15) connected to the buckle (11), and a pin connection column (16) connected to the pin connection hole (13) are provided at the bottom of the button (5).
2. The metal push button switch according to claim 1, characterized in that: The button (5) is covered with a metal cap (17).
3. The metal push button switch according to claim 1, characterized in that: First hooks (18) are provided on both sides of the lower end of the push rod (6), the bushing (2) is provided with a slide groove (19) adapted to the push rod (6), and a hanging platform (20) connected to the first hooks (18) is provided below the slide groove (19).
4. The metal push button switch according to claim 1, characterized in that: The push rod (6) has integrally formed heart-shaped lock grooves (21) on both sides, a lock rod (22) is provided on the heart-shaped lock groove (21), the lock rod (22) is U-shaped, a bearing plate (23) is provided in the bushing (2), the bearing plate (23) has clearance holes (24) on both sides, and a U-shaped groove (25) connected to the lower end of the lock rod (22) is provided at the bottom.
5. The metal push button switch according to claim 1, characterized in that: The pin connection hole (13) and the pin connection column (16) are square in shape.
6. The metal push button switch according to claim 1, characterized in that: The bushing (2) is connected to second hooks (27) on both sides of the base (1) through hanging hole plates (26) on both sides, and a PCB board positioning foot (28) is provided inside the bushing (2) and a group of circumferentially arranged shell crimping convex ribs (29) are provided on the outer wall.
7. The metal push button switch according to claim 1, characterized in that: A first spring positioning column (30) is provided in the movable contact mounting groove (9) of the push rod (6), a second spring positioning column (31) is provided at the bottom, and a third spring positioning column (32) is provided in the bushing (2).
8. The metal push button switch according to claim 1, characterized in that: A sealing ring (33) is provided between the push rod (6) and the bushing (2).