Button

Abstract

The utility model discloses a button, which comprises a base, the base is connected with a base, the upper part of the base is sleeved with a shell, the upper end of the shell is provided with a button cap, a moving contact group is arranged in the base, the button cap is connected with the moving contact group through a linkage piece, the base is provided with a static contact group corresponding to the moving contact group, the moving contact group comprises a movable shell, and the movable shell is connected with the static contact group through a linkage piece. A plug-in port is formed in the middle of the movable shell, limiting sleeves vertically extend from the movable shell along the two symmetrical side edges of the plug-in port, the base is provided with plug-in columns corresponding to the plug-in port and sunken downwards corresponding to the limiting sleeves to form limiting grooves, and reset springs are arranged between the limiting grooves and the limiting sleeves; the motion trail of the reset spring is limited through the arrangement of the limiting sleeve and the limiting groove, vertical stretching and unfolding of the reset spring are guaranteed, then the downward moving distance of the movable shell is limited through the arrangement of the length of the limiting sleeve, and then connection or disconnection between the first movable contact piece and the normally-open contact pin and between the second movable contact piece and the normally-closed contact pin can be achieved through clamping of the reset spring. And the device can directly act on the movement of the moving contact group.

Description

Technical Field

[0001] The utility model relates to a button. Background Art

[0002] A button is a switch that uses a button to push a transmission mechanism, control and achieve the contact or separation between the moving contact and the static contact by controlling the movement of the moving contact. The button is widely used in electrical automatic control circuits. Existing buttons are all composed of a shell part, a contact part and an indicator light part, and a sealing ring is often used to seal the gaps. The shell is usually an integrated structure. Due to structural limitations, the assembly is very inconvenient and the assembly rate is low. Secondly, the indicator light needs to first weld the voltage drop resistor on the LED light-emitting diode, and then install it inside the product, and then twist the position of the voltage drop resistor, and then weld the voltage drop resistor on the pin workpiece inside the product. The entire installation and welding process is very complicated, and welding is performed inside the product, resulting in low product reliability and easy cold welding, resulting in a high rate of product failure. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a button, the contact structure in the button can improve the load capacity, control the load of large current, and also has the advantages of convenient assembly and high production efficiency.

[0004] To this end, the utility model provides a button, including a base, which is connected to a pedestal, a shell is sleeved on the upper part of the base, a button cap is provided on the upper end of the shell, a moving contact group is provided in the base, the button cap is connected to the moving contact group through a linkage, a static contact group is provided on the base corresponding to the moving contact group, the moving contact group includes a movable shell, a plug-in interface is provided in the middle of the movable shell, and a limit sleeve is vertically extended along the symmetrical two sides of the plug-in interface of the movable shell, the base is provided with a plug-in column and a corresponding limit sleeve corresponding to the plug-in interface, and the limit groove is recessed downward to form a limit groove, and a reset spring is abutted between the limit groove and the limit sleeve.

[0005] Furthermore, an indicator light assembly is provided in the plug-in column, and the indicator light assembly includes a lamp bead, two step-down resistors and two lamp body contact pins. A positioning groove is provided at the upper end of the plug-in column corresponding to the lamp bead, and the plug-in column is provided with independent vertical placement grooves corresponding to the two step-down resistors. The two pins of the lamp bead are respectively inserted into the vertical placement grooves and connected to the step-down resistors, and the step-down resistors are correspondingly connected to the lamp body contact pins, and the lamp body contact pins are relatively plugged into the base.

[0006] Furthermore, the movable shell is provided with a first guide slot and a second guide slot, the first guide slot is provided with a first telescopic spring, and the first moving contact piece is abutted against the lower part of the first guide slot by the first telescopic spring, the second guide slot is provided with a second telescopic spring, and the second moving contact piece is abutted against the upper part of the second guide slot by the second telescopic spring, the lower end surface of the first moving contact piece is provided with a left moving contact and a right moving contact, and the upper end surface of the second moving contact piece is provided with two left moving contacts and two right moving contacts.

[0007] Furthermore, the base is provided with a socket for plugging in a static contact group, the static contact group includes a first static contact and a second static contact, the first static contact corresponds to the first moving contact piece and is arranged below the first moving contact piece, the second static contact corresponds to the second moving contact piece and is arranged above the second moving contact piece, the first static contact includes two normally open contact pins, the second static contact includes two normally closed contact pins, and the normally open contact pins and the normally closed contact pins are correspondingly plugged into the socket.

[0008] Furthermore, a waterproof retaining sleeve is provided on the outer periphery of the linkage member, and the waterproof retaining sleeve is distributed in the shell and abuts against the top of the base.

[0009] Furthermore, the upper end of the linkage member is provided with a groove for placing the button, and the lower end is provided with a socket for plugging the upper end of the movable shell, and the socket is connected to the groove through and through.

[0010] Furthermore, a lock hook is clamped on the base, and the movable shell is provided with a locking groove corresponding to the lock hook.

[0011] Furthermore, the base is snap-connected to the outer side wall of the base via a snap groove and a snap.

[0012] Furthermore, the outer wall of the shell is provided with an external thread and is threadedly connected to a collar.

[0013] Beneficial effects:

[0014] 1. The present application limits the movement trajectory of the reset spring by setting a limit sleeve and a limit groove to ensure the reset vertical telescopic expansion, and then limits the downward movement distance of the movable shell by setting the length of the limit sleeve, and then through the clamping of the reset spring, the first moving contact piece, the second moving contact piece and the normally open contact foot and the normally closed contact foot can be connected or disconnected, which can directly act on the movement of the moving contact group.

[0015] 2. The button is also equipped with an indicator light assembly. The indicator light assembly is an independent circuit component, which is directly connected to the device or circuit to display the circuit or equipment status. At the same time, the indicator light assembly is installed on the plug-in column, so that if it is damaged during subsequent use, the damage can be directly checked on the indicator light assembly by removing the button cap, which is conducive to subsequent targeted repairs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of a button;

[0017] Figure 2 for Figure 1 Disassembly diagram;

[0018] Figure 3 Schematic diagram of removing the shell and base;

[0019] Figure 4 for Figure 3 A front view of

[0020] Figure 5 This is a schematic diagram of the splitting of the moving contact group and the stationary contact group.

[0021] 1. Base; 2. pedestal; 3. shell; 4. button cap; 5. moving contact group; 51. movable shell; 511. plug interface; 512. first guide slot; 513. second guide slot; 514. first telescopic spring; 515. first moving contact piece; 516. second telescopic spring; 517. second moving contact piece; 6. linkage member; 61. groove; 62. socket; 7. static contact group; 71. first static contact; 72. second static contact; 73. normally open contact pin; 74. normally closed contact pin; 8. limiting sleeve; 9. limiting slot; 10. reset spring; 11. indicator light assembly; 111. lamp bead; 112. step-down resistor; 113. lamp body contact pin; 12. plug-in column; 121. positioning slot; 122. vertical placement slot; 13. waterproof baffle; 14. lock hook; 15. locking slot; 16. collar. DETAILED DESCRIPTION

[0022] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0023] Refer to Figure 1-Figure 5As shown, the utility model provides a button, including a base 1, a buckle is provided on the outer end surface of the base 1, a slot is provided on the base 2, the base 2 and the base 1 are buckled and connected by the buckle and the slot, a shell 3 is sleeved on the upper end of the base 2, an outer wall of the shell 3 is provided with an external thread and a threaded connection ring 16, a moving contact group 5 is provided in the base 2, a button cap 4 is connected to the moving contact group 5 through a linkage 6, a waterproof stopper 13 is sleeved on the outer periphery of the linkage 6, the waterproof stopper 13 is distributed in the shell 3 and abuts against the top of the base 2, the waterproof stopper 13 is made of elastic material, and provides a certain reset force when the linkage 6 and the button cap 4 are pressed down to reset, so as to accelerate the reset of the linkage and the button cap, a static contact group 7 is provided on the base 1 corresponding to the moving contact group 5, and the moving contact group 5 includes a movable shell 51, A plug-in port 511 is provided in the middle of the movable shell 51, and a limiting sleeve 8 is vertically extended along the symmetrical two sides of the plug-in port 511 of the movable shell 51. The base 1 is provided with a plug-in column 12 corresponding to the plug-in port 511 and a corresponding limiting sleeve 8 downward groove 61 to form a limiting groove 9. A reset spring 10 is provided between the limiting groove 9 and the limiting sleeve 8. The movement trajectory of the reset spring 10 is limited by the setting of the limiting sleeve 8 and the limiting groove 9, so as to ensure the vertical extension and expansion of the reset spring 10. The limiting sleeve 8 has a certain length to limit the downward movement distance of the movable shell 51 to avoid the movable shell 51 moving too long downward. The reset spring 10 can realize the movable shell 51 to move along the length direction of the plug-in column 12 through the support of the reset spring 10, thereby realizing the normally open and normally closed switching of the moving contact group 5 and the static contact group 7.

[0024] For details, refer to Figure 5 As shown: the plug-in column 12 is provided with an indicator light assembly 11, which can inform the user of the circuit status through the indicator light, which is more intuitive. The indicator light assembly 11 includes a lamp bead 111, two voltage-dropping resistors 112 and two lamp body contact pins 113. The upper end of the plug-in column 12 is provided with a positioning groove 121 corresponding to the lamp bead 111. The plug-in column 12 is provided with independent vertical placement grooves 122 corresponding to the two voltage-dropping resistors 112. The two pins of the lamp bead 111 are inserted into the vertical placement grooves 122 and connected to the voltage-dropping resistor 112. The voltage-dropping resistor 112 is correspondingly connected to the lamp body contact pins 113. The lamp body contact pins 113 are relatively plugged into the base 1, and the indicator light assembly 11 is set as an independent component, which is convenient for the replacement and maintenance of the indicator light assembly 11 during subsequent use.

[0025] For details, refer to Figure 4 , Figure 5As shown: the movable shell 51 is provided with a first guide slot 512 and a second guide slot 513, a first telescopic spring 514 is provided in the first guide slot 512, and the first movable contact piece 515 is abutted against the lower part of the first guide slot 512 through the first telescopic spring 514, a second telescopic spring 516 is provided in the second guide slot 513, and the second movable contact piece 517 is abutted against the upper part of the second guide slot 513 through the second telescopic spring 516, a left movable contact and a right movable contact are provided on the lower end surface of the first movable contact piece 515, and a left two movable contacts and a right two movable contacts are provided on the upper end surface of the second movable contact piece 517, and the two ends of the first movable contact piece 515 and the second movable contact piece 517 correspond to the guide slots and have abutment surfaces extending transversely, which are perpendicular to the end surfaces of the guide slots, so as to ensure that the first movable contact piece 515 and the second movable contact piece 517 can be kept horizontal under the action of the telescopic spring without tilting, so as to ensure that the movable contact is in contact with the static contact group and is conductively connected.

[0026] For details, refer to Figure 4 As shown: the base 1 is provided with a socket for the static contact group 7 to be plugged in, the static contact group 7 includes a first static contact 71 and a second static contact 72, the first static contact 71 corresponds to the first moving contact piece 515 and is arranged below the first moving contact piece 515, the second static contact 72 corresponds to the second moving contact piece 517 and is arranged above the second moving contact piece 517, the first static contact 71 includes two normally open contact pins 73, the upper end surface of the upper part of the normally open contact pin 73 is provided with a normally open contact, the second static contact 72 includes two normally closed contact pins 74, the lower end surface of the upper part of the normally closed contact pin 74 is provided with a normally closed contact, the normally open contact pin 73 and the normally closed contact pin 74 are correspondingly plugged into the socket, when the button is not pressed, the left two moving contacts of the second moving contact piece 517 and The second right moving contact pieces are electrically connected to the two normally closed contact pins 74, and the first moving contact piece 515 is not connected to the two normally open contact pins 73. When the button cap 4 is pressed downward, the linkage member 6 is pressed downward synchronously, and the movable shell 51 moves downward synchronously. The reset spring 10 is compressed until the lower end surface of the limiting sleeve 8 rests on the base 1, and the first moving contact piece 515 is electrically connected to the two normally open contact pins 73, and the second moving contact piece 517 is disconnected from the two normally closed contact pins 74. The lock hook 14 on the base 1 is locked in the locking groove 15 to ensure the above state. When the button is pressed again, the lock hook 14 disengages the locking groove 15, and the reset spring 10 resets the movable shell 51, and then the first moving contact piece 515 and the second moving contact piece 517 return to their original state.

[0027] For details, refer to Figure 2 As shown, the upper end of the linkage part 6 is provided with a groove 61 for placing the button cap 4, and the lower end is provided with a socket 62 for plugging the upper end of the movable shell 51. The socket 62 is connected with the groove 61 through a through hole, so that the light emitted by the lamp bead 111 is reflected on the button cap 4 from the socket 62 and the groove 61.

[0028] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments 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 button, comprising a base (1), wherein the base (1) is connected to a pedestal (2), a housing (3) is sleeved on the upper part of the pedestal (2), and a button cap (4) is provided on the upper end of the housing (3), wherein: A moving contact group (5) is arranged in the base (2); the button cap (4) is connected to the moving contact group (5) through a linkage member (6); a stationary contact group (7) is arranged on the base (1) corresponding to the moving contact group (5); the moving contact group (5) comprises a movable shell (51); a plug-in interface (511) is arranged in the middle of the movable shell (51); a limiting sleeve (8) is vertically extended along two symmetrical sides of the plug-in interface (511); a plug-in column (12) and a corresponding limiting sleeve (8) are arranged on the base (1) corresponding to the plug-in interface (511) and are recessed downward to form a limiting groove (9); a return spring (10) is abutted between the limiting groove (9) and the limiting sleeve (8).

2. The button according to claim 1, characterized in that: An indicator light assembly (11) is arranged inside the plug-in column (12), and the indicator light assembly (11) comprises a lamp bead (111), two voltage-dropping resistors (112) and two lamp body contact pins (113); a positioning groove (121) is arranged at the upper end of the plug-in column (12) corresponding to the lamp bead (111); the plug-in column (12) is provided with an independent vertical placement groove (122) corresponding to the two voltage-dropping resistors (112); two pins of the lamp bead (111) are respectively inserted into the vertical placement groove (122) to be connected to the voltage-dropping resistor (112); the voltage-dropping resistor (112) is correspondingly connected to the lamp body contact pins (113); and the lamp body contact pins (113) are relatively plugged into the base (1).

3. The button according to claim 2, characterized in that: The movable shell (51) is provided with a first guide slot (512) and a second guide slot (513); a first telescopic spring (514) is provided in the first guide slot (512), and the first movable contact piece (515) is abutted against the lower part of the first guide slot (512) by the first telescopic spring (514); a second telescopic spring (516) is provided in the second guide slot (513), and the second movable contact piece (517) is abutted against the upper part of the second guide slot (513) by the second telescopic spring (516); a left movable contact point and a right movable contact point are provided on the lower end surface of the first movable contact piece (515), and two left movable contacts and two right movable contacts are provided on the upper end surface of the second movable contact piece (517).

4. The button according to claim 3, characterized in that: The base (1) is provided with a socket for plugging in a stationary contact group (7), the stationary contact group (7) comprising a first stationary contact (71) and a second stationary contact (72), the first stationary contact (71) corresponding to the first moving contact piece (515) and arranged below the first moving contact piece (515), the second stationary contact (72) corresponding to the second moving contact piece (517) and arranged above the second moving contact piece (517), the first stationary contact (71) comprising two normally open contact pins (73), the second stationary contact (72) comprising two normally closed contact pins (74), the normally open contact pins (73) and the normally closed contact pins (74) being plugged in the socket accordingly.

5. The button according to claim 4, characterized in that: The linkage member (6) is provided with a waterproof retaining sleeve (13) on its outer periphery. The waterproof retaining sleeve (13) is distributed inside the housing (3) and abuts against the top of the base (2).

6. The button according to claim 5, characterized in that: The upper end of the linkage member (6) is provided with a groove (61) for placing the button cap (4), and the lower end is provided with a socket (62) for plugging the upper end of the movable shell (51), and the socket (62) is connected to the groove (61).

7. The button according to claim 6, characterized in that: A locking hook (14) is clamped on the base (1), and a locking groove (15) is provided on the movable shell (51) corresponding to the locking hook (14).

8. The button according to claim 7, characterized in that: The base (2) and the outer side wall of the base (1) are connected by snapping via a snap groove and a snap.

9. The button according to claim 8, characterized in that: The outer wall of the housing (3) is provided with an external thread and is threadedly connected to a collar (16).

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