CN219457413U - Emergency button - Google Patents

Abstract

The utility model discloses an emergency button, which comprises a shell, a reset button and a reset key, wherein the reset button is positioned in the shell and comprises a button plate, a cylindrical button seat and a metal spring plate, the button plate is clamped at the top of the button seat, annular clamping grooves are formed in the side wall of the button seat along the circumferential direction, a plurality of guide grooves which are arranged at intervals are formed below the clamping grooves, the guide grooves are communicated with the clamping grooves, the metal spring plate is abutted against the side face of the button seat, the width of the metal spring plate is matched with the width of the clamping grooves, the reset key is used for driving the button seat to rotate, and a reset spring is arranged between the bottom of the reset button and the shell. The emergency button has compact structure and high reliability, can effectively avoid the situation that the buckle cannot be smoothly separated, and solves the problem that the existing emergency button is easy to clamp when in reset rebound.

Description

Emergency button

Technical Field

The utility model relates to the technical field of push-button switches, in particular to an emergency push button.

Background

With the continuous development and progress of technology, smart home has been widely used in life, and emergency buttons are becoming an integral part of daily life of the home. Whether emergency accidents occur in the home or the old or children are at home alone, the emergency button can be used for timely transmitting information, so that surrounding personnel can timely find the conditions and quickly take measures, the occurrence of the accidents is reduced, and certain safety guarantee is provided. The existing emergency button mainly comprises a button, a reset spring, a reset hole and an unlocking device, such as an emergency button of China patent application No. 2012204252250.6, wherein a second buckle is arranged on the emergency button, the second buckle is locked and fixed with a first buckle on a lower shell by pressing the button, the switch is closed, then the unlocking device is inserted between the first buckle and the second buckle, the first buckle and the second buckle are in a separated state, and the reset spring pushes the button to reset. The mutual clamping and separation of the two buckles are adopted to respectively realize the starting and resetting of the buttons, and the problem that the buckles cannot be smoothly separated to generate a clamping key easily occurs when the keys are reset and rebound.

Disclosure of Invention

In order to solve the above problems, the present utility model provides an emergency button.

The utility model adopts the following technical scheme:

the utility model provides an emergency button, includes the casing, is located inside reset button and the reset key of casing, reset button includes button plate, cylindric button seat and metal shrapnel, button plate joint is in the top of button seat, annular draw-in groove has been seted up along circumference on the lateral wall of button seat, the guide way that a plurality of intervals set up has been seted up to the draw-in groove below, just the guide way with the draw-in groove is linked together, metal shrapnel supports the side of button seat, just the width of metal shrapnel with the width looks adaptation of draw-in groove, reset key is used for the drive button seat rotates, reset button bottom with be equipped with reset spring between the casing.

Further, a reset hole matched with the reset key is formed in the top of the reset button.

Further, the height of the metal spring plate is smaller than or equal to the height of the clamping groove.

Further, the shell is formed by sequentially clamping a front shell, a single-connection frame, a front cover and a rear shell.

Further, a conducting component is mounted on the rear shell and consists of an elastic conducting plate and a conducting column, and the button plate presses the elastic conducting plate downwards to conduct the elastic conducting plate and the conducting column.

Further, the top of backshell is equipped with and is used for the card to establish the shell fragment card way of the beginning end of metal shrapnel and is used for holding the closed limit sleeve in bottom of button seat, the bar through-hole has been seted up on limit sleeve's the lateral wall, the terminal follow of metal shrapnel bar through-hole penetrates and supports the side of button seat.

Further, a positioning groove for positioning the return spring is formed in the bottom of the button seat, and the return spring is located between the button seat and the limiting sleeve.

Further, a first button hole is formed in the front cover, a limiting ring is arranged at the inner side edge of the first button hole, and the limiting ring is located at the top of the button plate and limits the button plate to the lower portion of the front cover.

Further, a second button hole is formed in the front shell at a position corresponding to the first button hole.

Further, a PCB circuit board is further installed on the rear shell, and the conducting component is electrically connected with the PCB circuit board.

After the technical scheme is adopted, compared with the background technology, the utility model has the following advantages:

the emergency button is opened and locked by pressing the button plate, and when the button is pressed down, the metal spring plate automatically falls into the clamping groove, and the clamping groove is clamped with the metal spring plate to lock the button, so that the button is opened and kept in a locking state; the reset key is adopted to drive the button seat to rotate for resetting, and when the button seat rotates, the metal elastic sheet is driven to exit the clamping groove through the guide groove to release the locking of the button, so that the button is automatically reset under the action of the reset spring; the utility model enables the metal spring plate to sequentially fall into the clamping groove and the guide groove by rotating the button seat, then to withdraw from the guide groove, and combines the reset spring to realize the automatic reset of the emergency button, so that the whole emergency button has compact structure and high reliability, can effectively avoid the situation that the buckle cannot be smoothly separated, and solves the problem that the existing emergency button is easy to clamp when in reset rebound.

Drawings

FIG. 1 is an exploded view of an emergency button of the present utility model;

FIG. 2 is a cross-sectional view of an emergency button of the present utility model;

FIG. 3 is a rear housing structural view of the present utility model;

FIG. 4 is a cross-sectional view of a reset button of the present utility model;

fig. 5 is a state diagram of the use of the reset button of the present utility model.

Reference numerals illustrate:

1. a housing;

11. a front shell; 111. a second button hole; 12. a single connecting frame; 13. a front cover; 131. a first button hole; 132. a limiting ring; 14. a rear case; 141. a spring plate clamping channel; 142. a limit sleeve; 1421. a bar-shaped through hole; 1422. positioning columns;

2. a reset button;

21. a button plate; 22. a button seat; 221. a clamping groove; 222. a guide groove; 223. a positioning groove; 23. a metal spring plate; 24. a return spring; 25. a reset hole;

3. resetting a key;

4. a conduction member;

41. an elastic conductive sheet; 42. and a conductive post.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that, in the present utility model, terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element of the present utility model must have a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

As shown in fig. 1 to 4, an emergency button comprises a casing 1, a reset button 2 and a reset key 3, wherein the reset button 2 is positioned in the casing 1, the reset button 2 comprises a button plate 21, a cylindrical button seat 22 and a metal spring piece 23, the button plate 21 is clamped at the top of the button seat 22, annular clamping grooves 221 are formed in the side wall of the button seat 22 along the circumferential direction, 3 guide grooves 222 are formed below the clamping grooves 221 at intervals, the guide grooves 222 are communicated with the clamping grooves 221, the metal spring piece 23 is propped against the side face of the button seat 22, the width of the metal spring piece 23 is matched with the width of the clamping groove 221, the reset key 3 is used for driving the button seat 22 to rotate, and a reset spring 24 is arranged between the bottom of the reset button 2 and the casing 1.

The top of the reset button 2 is provided with a reset hole 25 which is matched with the reset key 3. The reset hole 25 of the present embodiment is provided at the top of the button plate 21 and the button housing 22, and extends from the button plate 21 to the top of the button housing 22. The height of the metal spring plate 23 is smaller than or equal to the height of the clamping groove 221.

The shell 1 is formed by sequentially clamping a front shell 11, a single-connection frame 12, a front cover 13 and a rear shell 14. The front cover 13 is located above the rear case 14 and is locked with the rear case 14 by screws. The single-link frame 12 is located above the front cover 13 and is fixedly connected with the side edge of the front cover 13 through a buckle. The front shell 11 is located above the single-link frame 12 and is clamped with the single-link frame 12.

The rear case 14 is provided with a conducting component 4, the conducting component 4 is composed of an elastic conductive sheet 41 and a conductive column 42, the rear case 14 is also provided with a PCB (not shown in the figure), and the conducting component 4 is electrically connected with the PCB. The elastic conductive piece 41 and the conductive post 42 are in a naturally separated state when not being subjected to external pressure, and when the button plate 21 presses down the elastic conductive piece 41, the elastic conductive piece 41 is pressed down and is conducted with the conductive post 42.

The metal elastic sheet 23 is L-shaped, the top of the rear shell 14 is provided with an elastic sheet clamping channel 141 for clamping the metal elastic sheet 23, the elastic sheet clamping channel 141 is also L-shaped, so that the starting end of the metal elastic sheet 23 is just clamped in the elastic sheet clamping channel 141, in addition, the top of the rear shell 14 is also provided with a limit sleeve 142 for accommodating the bottom of the button seat 22, the side wall of the limit sleeve 142 is provided with a strip-shaped through hole 1421, and the tail end of the metal elastic sheet 23 penetrates from the strip-shaped through hole 1421 and abuts against the side surface of the button seat 22.

The bottom of the button seat 22 is provided with a positioning groove 223 for positioning the return spring 24, and the return spring 24 is located between the button seat 22 and the limiting sleeve 142. In addition, a positioning post 1422 is further disposed inside the limiting sleeve 142, and the positioning post 1422 is inserted into the return spring 24, so as to further prevent the return spring 24 from being displaced.

The front cover 13 is provided with a first button hole 131, the inner edge of the first button hole 131 is provided with a limiting ring 132, and the limiting ring 132 is positioned at the top of the button plate 21 and limits the button plate 21 below the front cover 13. A second button hole 111 is provided in the front case 11 at a position corresponding to the first button hole 131. When the emergency button is in the reset state, the button plate 21 and the button seat 22 are pushed up against the limiting ring 132 under the action of the reset spring 24, and at this time, the button plate 21 is just limited by the limiting ring 132, so that the button plate 21 is ejected from the front cover 13.

When the button plate 21 is pressed downwards in use, the button plate 21 presses the elastic conductive sheet 41 downwards, so that the elastic conductive sheet 41 is pressed downwards and is communicated with the conductive column 42, the button is in an open state, meanwhile, as shown in fig. 5A, the button seat 22 is driven to move downwards along with the button plate 21, when the clamping groove 221 on the side wall of the button seat 22 is opposite to the metal elastic sheet 23, the metal elastic sheet 23 automatically falls into the clamping groove 221 due to the elastic action of the clamping groove 221, and the clamping groove 221 is clamped with the metal elastic sheet 23 to lock the button, so that the button is kept in a locking state;

during resetting, as shown in fig. 5B, the reset key 3 is inserted into the reset hole 25, the reset key 3 is rotated to drive the button plate 21 and the button seat 22 to rotate, when the button seat 22 rotates, the tail end of the metal elastic sheet 23 also moves relatively against the side wall of the button seat 22, when the metal elastic sheet 23 moves above the guide groove 222, the button seat 22 moves upwards under the action of the reset spring 24, the metal elastic sheet 23 falls into the guide groove 222, as shown in fig. 5C, the button seat 22 continues to rotate, the metal elastic sheet 23 is withdrawn under the guide of the guide groove 222 and tangent with the side wall of the button seat 22 to release the button lock, the button seat 22 continues to rebound to the reset state, and at this time, the button plate 21 releases the pressing of the elastic conductive sheet 41, so that the elastic conductive sheet 41 is separated from the conductive column 42.

According to the embodiment, the button seat 22 is rotated, so that the metal elastic sheet 23 sequentially falls into the clamping groove 221 and the guide groove 222, then exits from the guide groove 222, and the automatic reset of the emergency button is realized by combining the reset spring 24, so that the whole emergency button has a compact structure and high reliability, the situation that the buckle cannot be smoothly separated can be effectively avoided, and the problem that the existing emergency button is easy to clamp when in reset rebound is solved.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims (10)

1. An emergency button, characterized by: including the casing, be located reset button and reset key inside the casing, reset button includes button plate, cylindric button seat and metal shrapnel, button plate joint is in the top of button seat, annular draw-in groove has been seted up along circumference on the lateral wall of button seat, the guide way that a plurality of intervals set up has been seted up to the draw-in groove below, just the guide way with the draw-in groove is linked together, metal shrapnel supports the side of button seat, just the width of metal shrapnel with the width looks adaptation of draw-in groove, reset key is used for the drive the button seat rotates, reset button bottom with be equipped with reset spring between the casing.

2. An emergency button according to claim 1, wherein: and a reset hole matched with the reset key is formed in the top of the reset button.

3. An emergency button according to claim 2, wherein: the height of the metal spring plate is smaller than or equal to the height of the clamping groove.

4. An emergency button according to claim 1, wherein: the shell is formed by sequentially clamping a front shell, a single-connection frame, a front cover and a rear shell.

5. An emergency button according to claim 4, wherein: the back shell is provided with a conducting part, the conducting part consists of an elastic conducting sheet and a conducting column, and the button plate downwards presses the elastic conducting sheet to enable the elastic conducting sheet to be conducted with the conducting column.

6. An emergency button according to claim 5, wherein: the top of backshell is equipped with and is used for the card to establish the shell fragment card way of the initiating terminal of metal shell fragment, and be used for holding the closed limit sleeve in bottom of button seat, the bar through-hole has been seted up on limit sleeve's the lateral wall, the terminal follow of metal shell fragment bar through-hole penetrates and supports the side of button seat.

7. An emergency button according to claim 6, wherein: the bottom of the button seat is provided with a positioning groove for positioning the return spring, and the return spring is positioned between the button seat and the limiting sleeve.

8. An emergency button according to claim 7, wherein: the front cover is provided with a first button hole, the inner side edge of the first button hole is provided with a limiting ring, and the limiting ring is positioned at the top of the button plate and limits the button plate below the front cover.

9. An emergency button according to claim 8, wherein: and a second button hole is arranged on the front shell at a position corresponding to the first button hole.

10. An emergency button according to claim 9, wherein: and the back shell is also provided with a PCB circuit board, and the conducting component is electrically connected with the PCB circuit board.