CN214203483U - Emergency stop button - Google Patents

Abstract

The utility model provides an emergency stop button belongs to button switch technical field. The emergency stop button comprises a cylinder body, a mushroom cap, a bottom cover, a first circuit pin, a second circuit pin, a conductive elastic sheet and a trigger push rod; the bottom cover is arranged in the bottom port of the barrel; the first circuit pin is connected with the bottom cover, and a high contact block is arranged at the top end of the first circuit pin; the second circuit pin is connected with the bottom cover, and the bottom ends of the second circuit pin and the first circuit pin extend out of the bottom cover; one end of the conductive elastic sheet is connected with the top end of the second circuit pin in a buckling mode, the other end of the conductive elastic sheet is bent upwards to extend to the position below the high contact block and is provided with the low contact block, and the low contact block is suitable for being abutted against the high contact block; the trigger push rod is arranged in the cylinder body and is suitable for pushing the other end of the conductive elastic sheet to deform downwards so as to separate the low contact block from the high contact block, the mushroom cap is sleeved at the top end of the cylinder body and is suitable for driving the trigger push rod to move downwards or upwards. The quick installation of electrically conductive shell fragment is realized.

Description

Emergency stop button

Technical Field

The utility model relates to the technical field of switches, particularly, relate to an emergency stop button.

Background

The emergency stop button belongs to one kind of master control electrical appliance, when the machine is in a dangerous state, the power supply is cut off through the emergency stop button, the equipment operation is stopped, and the purpose of protecting the personal and equipment safety is achieved. The emergency stop button is usually a manually controlled push switch (the key is mostly red) which is connected in series with a control circuit of the equipment and is used for directly disconnecting the control circuit in emergency so as to quickly stop the equipment to avoid abnormal work. In industrial safety, all machines which have transmission parts directly or indirectly injuring human bodies under abnormal conditions need to be protected, and an emergency stop button is one of the machines. Therefore, for machines with a transmission part, accurate and reliable operation of the emergency stop button is very important.

At present, an elastic sheet mechanism in an emergency stop button on the market is composed of a main elastic sheet and an auxiliary elastic sheet, the mechanical structure is complex, the installation is difficult, and the product cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is complicated to aim at solving the shell fragment mechanism mechanical structure in the current scram button to a certain extent, installs the difficulty, the higher problem of product cost.

In order to solve the above problem, the utility model provides an emergency stop button, include:

a barrel;

the bottom cover is arranged in the bottom port of the barrel;

the first circuit pin is connected with the bottom cover, a high contact block is arranged at the top end of the first circuit pin, and the bottom end of the first circuit pin extends out of the bottom cover;

the second circuit pin is connected with the bottom cover, and the bottom end of the second circuit pin extends out of the bottom cover;

one end of the conductive elastic sheet is connected with the top end of the second circuit pin in a buckling mode, the other end of the conductive elastic sheet is bent upwards and extends to the position below the high contact block and is provided with a low contact block, and the low contact block is suitable for being abutted to the high contact block;

the trigger push rod is arranged in the cylinder body and is suitable for pushing the other end of the conductive elastic sheet to deform downwards so as to separate the low contact block from the high contact block; and

the mushroom cap is sleeved at the top end of the cylinder body and is suitable for driving the trigger push rod to move downwards or upwards.

Further, the conductive elastic sheet comprises a bottom section flat sheet, a bent arc-shaped sheet and a top section elastic sheet which are sequentially connected, wherein the low contact block is installed on the top section elastic sheet and is far away from the upper side of one end of the bent arc-shaped sheet, the bottom section flat sheet is connected with the top end of the second circuit pin in a buckling mode, the bottom section flat sheet is bent upwards to form the bent arc-shaped sheet, the bent arc-shaped sheet is horizontally bent to form the top section elastic sheet, and the trigger push rod is suitable for pushing the top section elastic sheet to bend downwards to deform with the bent arc-shaped sheet as a round point.

Further, the second circuit pin comprises a second vertical piece, a second top piece and a second inserting piece which are sequentially connected, a second protrusion is arranged on the second inserting piece, the plane of the second top piece is perpendicular to the plane of the second vertical piece, and the second inserting piece is connected with the second top piece and is positioned on the same plane;

the bottom section plain film is provided with the confession the second inserted sheet male slot, the inner wall of slot be provided with the protruding matched with second draw-in groove of second, through the second protruding with the cooperation of second draw-in groove so that the second circuit stitch with electrically conductive shell fragment buckle is connected.

Furthermore, a second notch groove for inserting the second vertical piece is formed in the side wall of the bottom cover, and a second positioning bump is arranged on the inner wall of the second notch groove;

and at least one side of the second vertical piece in the length direction is provided with a second positioning groove matched with the second positioning lug.

Further, the first circuit terminal comprises a first vertical piece and a first top piece arranged on the top of the first vertical piece, and the high contact block is mounted on the lower side of the first top piece.

Furthermore, a first notch groove for inserting the first vertical piece is formed in the side wall of the bottom cover, a first positioning lug is arranged inside the first notch groove, and a first positioning groove matched with the first positioning lug is formed in at least one side of the first vertical piece in the length direction.

Furthermore, a first limiting rib and a second limiting rib are arranged inside the bottom cover, and the conductive elastic sheet is suitable for being arranged between the first limiting rib and the second limiting rib.

Furthermore, a fulcrum block is arranged on the first limiting rib or the second limiting rib and is suitable for supporting the bent arc-shaped piece.

Furthermore, a third protrusion is arranged on the side wall of the bottom cover, a third clamping groove is formed in the position, close to the bottom end, of the barrel, and the bottom cover and the barrel are connected through the third protrusion and the third clamping groove in a buckled mode.

Furthermore, a guide notch groove is formed in the side wall of the bottom cover, and a guide strip matched with the guide notch groove is arranged on the inner wall of the barrel.

Compared with the prior art, the utility model provides a pair of scram button has but not be limited to following technological effect:

the top end of the second circuit terminal is connected with one end of the conductive elastic sheet in a buckling way, so that one end of the conductive elastic sheet is a fixed end, and the other end of the conductive elastic sheet is a free end capable of elastic deformation, the emergency stop button is simpler in structure and high in assembly and disassembly efficiency by installing the conductive elastic sheet through the buckling connection, the production cost is reduced, when power is required to be cut off, the mushroom cap is pressed down, the triggering push rod is lowered from the initial position to the triggering position through the matching of the mushroom cap and the transmission mechanism, the triggering push rod lowered to the triggering position enables the conductive elastic sheet to keep deforming so as to realize the separation of the low contact block and the high contact block, so that the power is cut off, when power is required to be cut on, the triggering push rod is reset from the triggering position to the initial position through the matching of the mushroom cap and the transmission mechanism, the conductive elastic sheet returns to the original position so as to enable the low contact block to be abutted against the high contact block, thereby realizing energization.

Drawings

FIG. 1 is a schematic cross-sectional view of an emergency stop button of an embodiment of the present invention;

fig. 2 is a schematic structural view of the inside of the bottom cover of the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first circuit pin, a second circuit pin and a conductive elastic sheet according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a bottom cover of an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a bottom port of a cartridge according to an embodiment of the present invention.

Description of the labeling:

1-cylinder, 11-third clamping groove, 12-guide strip;

2-a transmission mechanism;

3-mushroom cap;

4-bottom cover, 41-first gap groove, 411-first positioning lug, 42-second gap groove, 421-second positioning lug, 43-first limiting rib, 44-second limiting rib, 45-fulcrum block, 46-third protrusion and 47-guide gap groove;

5-first circuit trace leg, 51-first vertical piece, 511-first positioning groove, 52-first top piece;

6-a second circuit line pin, 61-a second vertical piece, 611-a second positioning groove, 62-a second top piece, 63-a second inserting piece, 631-a second bulge;

7-conductive elastic piece, 71-bottom section flat piece, 711-slot, 7111-second slot, 72-bent arc piece and 73-top section elastic piece;

8-triggering the push rod;

91-high contact block, 92-low contact block.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Also, in the drawings, the Z-axis represents a vertical, i.e., up-down position, and a positive direction of the Z-axis (i.e., an arrow direction of the Z-axis) represents up, and a negative direction of the Z-axis (i.e., a direction opposite to the positive direction of the Z-axis) represents down; in the drawings, the X-axis represents the longitudinal direction of the horizontal plane, perpendicular to the Z-axis, and the positive direction of the X-axis (i.e., the arrow direction of the X-axis) represents the front side, and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) represents the rear side; in the drawings, Y represents a horizontal direction, while being perpendicular to the Z-axis and the X-axis, and a positive direction of the Y-axis (i.e., an arrow direction of the Y-axis) represents a left side, and a negative direction of the Y-axis (i.e., a direction opposite to the positive direction of the Y-axis) represents a right side; the plane formed by the X axis and the Z axis is a vertical plane.

It should also be noted that the foregoing Z-axis, Y-axis, and X-axis representations are merely intended to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Referring to fig. 1, the embodiment of the utility model provides an emergency stop button, including barrel 1, drive mechanism 2, mushroom cap 3, bottom 4, first circuit stitch 5, second circuit stitch 6, electrically conductive shell fragment 7 and trigger push rod 8.

The transmission mechanism 2 is arranged in the cylinder body 1; the mushroom cap 3 is sleeved at the top end of the cylinder body 1; the bottom cover 4 is arranged in the bottom port of the barrel 1; the first circuit pin 5 is connected with the bottom cover 4, the top end of the first circuit pin 5 is provided with a high contact block 91, and the bottom end of the first circuit pin 5 extends out of the bottom cover 4; the second circuit pin 6 is connected with the bottom cover 4, and the bottom end of the second circuit pin 6 extends out of the bottom cover 4; one end of the conductive elastic sheet 7 is connected with the top end of the second circuit pin 6 in a buckling mode, the other end of the conductive elastic sheet 7 is bent upwards to extend to the position below the high contact block 91 and is provided with a low contact block 92, and the low contact block 92 is suitable for being abutted to the high contact block 91; the trigger push rod 8 is arranged at the bottom of the transmission mechanism 2, and the trigger push rod 8 is suitable for pushing the other end of the conductive elastic sheet 7 to deform downwards so as to separate the low contact block 92 from the high contact block 91.

The mushroom cap 3 is matched with the transmission mechanism 2, so that the trigger push rod 8 descends to a trigger position from an initial position, or the trigger push rod 8 resets to the initial position from the trigger position, when the trigger push rod 8 is at the initial position, the high contact block 91 is in contact with the low contact block 92 for power on, and when the trigger push rod 8 is at the trigger position, the low contact block 92 is separated from the high contact block 91 for power off.

It can be understood that, the same with traditional scram button, the back is pressed to the mushroom cap 3 of this embodiment, drive mechanism 2 drive trigger push rod 8 moves down to the trigger position and makes the other end of electrically conductive shell fragment 7 bend the deformation downwards, and then make low contact piece 92 and high contact piece 91 separate, thereby realize the outage, when needing the circular telegram, through rotatory mushroom cap 3, finally make trigger push rod 8 upwards reset to the initial position, make drive mechanism 2, mushroom cap 3 also accomplish simultaneously and reset, trigger push rod 8 resets to the initial position after, electrically conductive shell fragment 7 makes low contact piece 92 and high contact piece 91 contact circular telegram again in the reconversion.

It will be appreciated that the first and second circuit pins 5, 6 extend out of the bottom cover 4 for connection to an external circuit so that the crash stop button is connected in series to the circuit.

Here, the top of the second circuit terminal 6 is connected with one end of the conductive elastic sheet 7 in a buckling manner, so that one end of the conductive elastic sheet 7 is a fixed end, the other end of the conductive elastic sheet 7 is a free end, and the conductive elastic sheet 7 is installed in a buckling manner, so that the structure is simpler, the assembly and disassembly efficiency is high, and the production cost is reduced.

Referring to fig. 3, optionally, the conductive elastic sheet 7 includes a bottom section flat sheet 71, a bent arc sheet 72, and a top section elastic sheet 73, which are connected in sequence, wherein the low contact block 92 is installed on an upper side of one end of the top section elastic sheet 73, which is far away from the bent arc sheet 72, the bottom section flat sheet 71 is in snap connection with a top end of the second circuit pin 6, wherein the bottom section flat sheet 71 is bent upward to form the bent arc sheet 72, the bent arc sheet 72 is horizontally bent to form the top section elastic sheet 73, and the trigger push rod 8 is adapted to push the top section elastic sheet 73 to be bent downward to deform with a circle center of the bent arc sheet 72 as a circular point.

Here, the bottom segment flat piece 71, the bent arc piece 72 and the top segment elastic piece 73 are preferably of an integral structure, saving production time and production cost.

Referring to fig. 3, optionally, the second circuit pin 6 includes a second vertical piece 61, a second top piece 62 and a second insertion piece 63 connected in sequence, the second insertion piece is provided with a second protrusion 631, the plane of the second top piece 62 is perpendicular to the plane of the second vertical piece 61, and the second insertion piece 63 is connected to the second top piece 62 and is located on the same plane; the bottom flat sheet 71 is provided with a slot 711 for inserting the second insertion sheet 63, the inner wall of the slot 711 is provided with a second clamping groove 7111 matched with the second protrusion 631, and the second circuit pin 6 is buckled and connected with the conductive elastic sheet 7 through the matching of the second protrusion 631 and the second clamping groove 7111.

Here, the second vertical piece 61, the second top sheet 62, the second insert piece 63, and the second projection 631 are preferably of an integral structure, saving production time and production cost. By gradually inserting the second insertion piece 63 into the insertion groove 711 until the second protrusion 631 enters the second card slot 7111, the second protrusion 731 is connected to the second card slot 7111 by a snap-fit connection, so that the second circuit pin 6 and the conductive elastic piece 7 are mounted together.

Referring to fig. 2 and 4, optionally, the side wall of the bottom cover 4 is provided with a second notch groove 42 for the second vertical piece 61 to be inserted into, and the inner wall of the second notch groove 42 is provided with a second positioning protrusion 421; at least one side of the second vertical piece 61 in the length direction is provided with a second positioning groove 611 matched with the second positioning protrusion 421.

It should be noted that the bottom cover 4 is disposed in the bottom port of the barrel 1, the bottom cover 4 is inserted into the bottom port of the barrel 1 like a "plug", and the bottom cover 4 is inserted into the bottom port of the barrel 1 instead of the bottom end of the barrel 1 being inserted into the bottom cover 4.

Here, by providing the second notch groove 42, so that the second vertical piece 61 can be inserted into the bottom cover 4 from the outside of the bottom cover 4 in the left-right direction, wherein after the second positioning protrusion 421 is fitted with the second positioning groove 611 at the side of the second vertical piece 61, the second positioning protrusion 421 can prevent the second circuit pin 6 from moving up and down, and after the bottom cover 4 with the second circuit pin 6 installed is plugged into the bottom port of the barrel 1, the barrel 1 just closes the second notch groove 42, ensuring that the second circuit pin 6 cannot move in the left-right direction. The connection mode of the second circuit pin 6 and the bottom cover in an inserted mode is simple in structure and extremely high in installation efficiency.

Referring to fig. 3, optionally, the first circuit terminal 5 includes a first vertical piece 51 and a first top piece 52 disposed on top of the first vertical piece 51, and a high contact block 91 is mounted on the lower side of the first top piece 52.

Here, the first vertical sheet 51 and the first top sheet 52 are preferably of an integral structure, saving production time and production cost.

Referring to fig. 2 and 4, optionally, the side wall of the bottom cover 4 is provided with a first notched groove 41 for the first vertical piece 51 to be inserted into, a first positioning protrusion 411 is disposed inside the first notched groove 41, and at least one side of the first vertical piece 51 in the length direction is provided with a first positioning groove 511 matched with the first positioning protrusion 411.

Here, by providing the first notch groove 41, in the left-right direction, the first vertical piece 51 can be inserted into the bottom cover from the outside of the bottom cover 4, wherein after the first positioning protrusion 411 is matched with the first positioning groove 511 at the side of the first vertical piece 51, the first positioning protrusion 411 can prevent the first circuit pin 5 from moving up and down, after the bottom cover 4 with the first circuit pin 5 installed is plugged into the bottom port of the barrel 1, the barrel 1 just closes the first notch groove 41, it is ensured that the first circuit pin 5 cannot move in the left-right direction, and this kind of connection mode that the first circuit pin 5 is "inserted" into the bottom cover 4 is not only simple in structure, but also extremely high in installation efficiency.

Referring to fig. 2 and 4, optionally, a first limiting rib 43 and a second limiting rib 44 are arranged inside the bottom cover 4, and the conductive elastic sheet 7 is adapted to be placed between the first limiting rib 43 and the second limiting rib 44.

Here, by providing the first and second limiting ribs 43 and 44, it is possible to prevent the conductive dome 7 from vibrating in the front-rear direction in a special case, that is, to limit the conductive dome 7 in the front-rear direction.

Referring to fig. 2 and 4, optionally, the first limiting rib 43 or the second limiting rib 44 is provided with a fulcrum block 45 for supporting the bending arc piece 72.

Here, by providing the fulcrum block 45 to support inside the bent arc piece 72, it is ensured that the top section elastic piece 73 is changed to swing downwards with the fulcrum block 45 as an origin, so as to prevent the arc degree of the bent arc piece 72 of the conductive elastic piece 7 from changing after the emergency stop button is used for a long time.

Referring to fig. 2 and 4, optionally, a third protrusion 46 is disposed on a side wall of the bottom cover 4, a third locking groove 11 is disposed at a position of the barrel 1 near the bottom end, and the bottom cover 4 is in snap-fit connection with the barrel 1 through the third protrusion 46 and the third locking groove 11.

Here, the bottom cover 4 is fixed by the third protrusion 46 in the third slot 11 after being inserted into the bottom port of the barrel 1.

Referring to fig. 5, optionally, the side wall of the bottom cover 4 is opened with a guiding notch groove 47, and the inner wall of the cylinder is provided with a guiding strip 12 matching with the guiding notch groove 47.

Here, the guide strip 12 and the guide notch 47 ensure that the bottom cover 4 is installed in the bottom port of the cylinder 1 more quickly, and the elastic piece 73 is also located right below the trigger push rod 8.

The terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or an implicit indication of the number of technical features indicated. Thus, features defined as "first," "second," "third," and "fourth" may explicitly or implicitly include at least one of the features.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Without departing from the spirit and scope of the present disclosure, those skilled in the art can make various changes and modifications, which will fall into the scope of the present disclosure.

Claims (10)

1. An emergency stop button, comprising:

a cylinder (1);

the bottom cover (4) is arranged in a bottom port of the barrel (1);

the first circuit pin (5) is connected with the bottom cover (4), a high contact block (91) is installed at the top end of the first circuit pin (5), and the bottom end of the first circuit pin (5) extends out of the bottom cover (4);

the second circuit pin (6) is connected with the bottom cover (4), and the bottom end of the second circuit pin (6) extends out of the bottom cover (4);

one end of the conductive elastic sheet (7) is connected with the top end of the second circuit pin (6) in a buckling mode, the other end of the conductive elastic sheet (7) is bent upwards to extend to the position below the high contact block (91) and provided with a low contact block (92), and the low contact block (92) is suitable for being abutted to the high contact block (91);

the trigger push rod (8) is arranged in the barrel (1), and the trigger push rod (8) is suitable for pushing the other end of the conductive elastic sheet (7) to deform downwards so as to separate the low contact block (92) from the high contact block (91); and

the mushroom cap (3) is sleeved at the top end of the barrel body (1), and the mushroom cap (3) is suitable for driving the trigger push rod (8) to move downwards or upwards.

2. The emergency stop button according to claim 1, wherein the conductive elastic sheet (7) comprises a bottom section flat sheet (71), a bent arc-shaped sheet (72) and a top section elastic sheet (73) which are sequentially connected, wherein the low contact block (92) is installed on the upper side of one end, away from the bent arc-shaped sheet (72), of the top section elastic sheet (73), the bottom section flat sheet (71) is connected with the top end of the second circuit pin (6) in a buckling manner, the bottom section flat sheet (71) is bent upwards to form the bent arc-shaped sheet (72), the bent arc-shaped sheet (72) is horizontally bent to form the top section elastic sheet (73), and the trigger push rod (8) is suitable for pushing the top section elastic sheet (73) to be bent downwards to deform by taking the circle center of the bent arc-shaped sheet (72) as a circular point.

3. The emergency stop button according to claim 2, wherein the second circuit pin (6) comprises a second vertical piece (61), a second top piece (62) and a second insertion piece (63) which are connected in sequence, a second protrusion (631) is arranged on the second insertion piece (63), the plane of the second top piece (62) is perpendicular to the plane of the second vertical piece (61), and the second insertion piece (63) is connected with the second top piece (62) and is in the same plane;

the flat piece of end section (71) is provided with the confession second inserted sheet (63) male slot (711), the inner wall of slot (711) be provided with protruding (631) matched with second draw-in groove (7111) of second, through protruding (631) with the cooperation of second draw-in groove (7111) is so that second circuit stitch (6) with electrically conductive shell fragment (7) buckle is connected.

4. The scram button according to claim 3, wherein the side wall of the bottom cover (4) is opened with a second notch groove (42) for the second vertical piece (61) to be inserted into, and the inner wall of the second notch groove (42) is provided with a second positioning bump (421);

at least one side of the second vertical piece (61) in the length direction is provided with a second positioning groove (611) matched with the second positioning bump (421).

5. The emergency stop button according to claim 2, wherein the first circuit pin (5) comprises a first vertical piece (51) and a first top piece (52) disposed on top of the first vertical piece (51), the high contact block (91) being mounted on the lower side of the first top piece (52).

6. The scram button as recited in claim 5, wherein the side wall of the bottom cover (4) is opened with a first notch groove (41) for the first vertical piece (51) to insert into, a first positioning protrusion (411) is disposed inside the first notch groove (41), and at least one side of the first vertical piece (51) in the length direction is opened with a first positioning groove (511) matched with the first positioning protrusion (411).

7. The emergency stop button according to claim 2, wherein a first limiting rib (43) and a second limiting rib (44) are arranged inside the bottom cover (4), and the conductive elastic sheet (7) is suitable for being placed between the first limiting rib (43) and the second limiting rib (44).

8. The emergency stop button according to claim 7, wherein a fulcrum block (45) is provided on the first limiting rib (43) or the second limiting rib (44), the fulcrum block (45) being adapted to support the bent arc piece (72).

9. The emergency stop button according to any one of claims 1 to 8, wherein a third protrusion (46) is disposed on a side wall of the bottom cover (4), a third locking groove (11) is disposed on a position of the barrel (1) near the bottom end, and the bottom cover (4) and the barrel (1) are connected by the third protrusion (46) and the third locking groove (11) in a snap-fit manner.

10. The emergency stop button according to claim 9, wherein the side wall of the bottom cover (4) is provided with a guiding notched groove (47), and the inner wall of the cylinder is provided with a guiding strip (12) which is matched with the guiding notched groove (47).

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