CN216389139U

CN216389139U - Mechanical resettable key control mechanism

Info

Publication number: CN216389139U
Application number: CN202123040098.8U
Authority: CN
Inventors: 吴金生; 谢圣凯; 吴天文
Original assignee: Dongguan Excel Industrial Co ltd
Current assignee: Dongguan Excel Industrial Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-26
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses the technical field of mechanical reset switches, in particular to a mechanical resettable key control mechanism, which comprises: the button is arranged on the other side of the swing rod, pushes one end of the swing rod to move towards the first protruding block to be clamped with the switch and pushes the other end of the swing rod to move towards the opposite direction when being pressed, and is respectively arranged at two ends of the swing rod and arranged on a reset structure and a limiting structure on the axis of the swing rod; one end of the swing rod moves up and down in the reset structure according to stress, and the clamping structure at the other end is clamped with the limiting structure or the outer side wall of the clamping structure is abutted to the limiting structure. The utility model has the characteristics of reasonable structure arrangement and lower production cost.

Description

Mechanical resettable key control mechanism

Technical Field

The utility model relates to the technical field of mechanical reset switches, in particular to a mechanical resettable key control mechanism.

Background

Mechanical travel switches are also known as contact travel switches, and are of various types: the motion form can be divided into a linear type and a rotary type; the motion speed can be divided into a transient motion type and a peristaltic motion (slow motion) type; the reset mode can be divided into an automatic mode and a passive mode (non-automatic reset); the rotating wheel can be divided into a single wheel type and a double wheel type according to the operation; the shell can be divided into an open type and a protection type according to the shape of the shell.

At present, the mechanical reset switch on the market has the defects of complex structural design and high production cost.

Therefore, it is desirable to provide a mechanical resettable key control mechanism to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a mechanical resettable key control mechanism which has the characteristics of reasonable structural arrangement and lower production cost.

In order to achieve the purpose, the utility model adopts the technical scheme that:

mechanical resettable key control mechanism, comprising: the button is arranged on the other side of the swing rod, pushes one end of the swing rod to move towards the first protruding block to be clamped with the switch and pushes the other end of the swing rod to move towards the opposite direction when being pressed, and is respectively arranged at two ends of the swing rod and arranged on a reset structure and a limiting structure on the axis of the swing rod; one end of the swing rod moves up and down in the reset structure according to stress, and the clamping structure at the other end is clamped with the limiting structure or the outer side wall of the clamping structure is abutted to the limiting structure.

Preferably, the swing rod is oval, and the clamping structure is formed at one end, close to the limiting structure, of the swing rod inwards.

Preferably, the first protruding block is formed at one side edge of the swing rod in a protruding manner, and the key is formed at the other side of the swing rod and is coaxial with the first protruding block.

Preferably, the engaging structure is U-shaped.

Preferably, the switches are opposite to the first protruding blocks one by one, and the switch contacts are opposite to the first protruding blocks.

Preferably, the number of the keys is two, and one key and one switch form a group and are symmetrical about the central axis of the swing rod.

Preferably, the reset mechanism comprises: the reset block is provided with an arc groove in a concave mode on one side edge opposite to the swing rod, and the reset key is arranged on one inclined edge of the reset block and used for pushing the reset block to drive the swing rod to be linked.

Preferably, one end of the swing rod is arranged at the groove, a top corner on the other side of the reset block is provided with a lacking block, and the reset key is arranged on the inclined edge at the lacking block.

Preferably, an engaging column engaged with or abutted against the swing rod is convexly formed on one side of the limiting structure facing the swing rod.

Preferably, the engaging column is in the shape of a cylinder with the diameter decreasing from the contact surface to the outside in sequence.

The utility model has the beneficial effects that: when the key is pressed, a swing rod at one end close to the switch moves in the same direction with the key, and the other end moves in the opposite direction, the swing rod pushes the corresponding first protruding block to press the corresponding switch, equipment connected with the product is started, when the key is released, the key is reset, and the first protruding block is clamped into the switch to keep the switch in a conducting state. And pressing the reset structure, wherein the reset structure drives one end of the swing rod to move reversely so as to separate the first protruding block from the switch, and one end of the swing rod, which is far away from the key, is clamped with the limit structure, so that the equipment stops running. This technical scheme has that the structure sets up reasonable and manufacturing cost is lower characteristics.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the mechanical resettable key control mechanism of the present invention without pressing the key.

Fig. 2 is a schematic structural diagram of an embodiment of the a button in fig. 1.

Fig. 3 is a schematic structural diagram of an embodiment of the release button in fig. 2.

Fig. 4 is a schematic structural diagram of an embodiment of the pressing reset structure in fig. 3.

Fig. 5 is a schematic structural view of an embodiment of the released reset structure in fig. 4.

Fig. 6 is a schematic structural diagram of an embodiment of pressing the B button in fig. 1.

Fig. 7 is a schematic structural diagram of an embodiment of the release button in fig. 6.

Fig. 8 is a schematic structural diagram of an embodiment of the pressing reset structure in fig. 7.

Fig. 9 is a schematic structural view of an embodiment of the released reset mechanism in fig. 8.

Description of the drawings the reference numerals indicate:

1-swing rod, 11-first convex block, 12-clamping structure, 2-switch, 3-key, 4-reset structure, 41-reset block, 411-groove, 42-reset key, 5-limit structure and 51-clamping column.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

It will be understood that when an element is referred to as being "connected" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1, the mechanical resettable key control mechanism of the present embodiment includes: the device comprises a swing rod 1, a button 3, a reset structure 4 and a limit structure 5, wherein a first protruding block 11 is formed on one side edge in a protruding mode, the button 3 is arranged on the other side of the swing rod 11, one end of the swing rod 1 is pushed to move towards the first protruding block 11 to be clamped with a switch 2 when being pressed, and the other end of the swing rod 1 moves towards the opposite direction; one end of the swing rod 1 moves up and down in the reset structure 4 according to stress, and the clamping structure 12 at the other end is respectively clamped with the limiting structure 5 or the outer side wall of the clamping structure 12 is respectively abutted against the limiting structure 4.

In a preferred embodiment, the swing rod 1 is elliptical, a clamping structure 12 is formed inward at one end of the swing rod 1 close to the limiting structure 4, and the clamping structure 12 is U-shaped. Specifically, the first protrusion block 11 is formed to protrude from one side of the swing link 11, and the key 3 is formed on the other side of the swing link 1 and is coaxial with the first protrusion block 11.

In the preferred embodiment, the switches 2 are opposite to the first protruding blocks 11 one by one, and the switch contacts are opposite to the first protruding blocks 11. In a preferred embodiment, the number of the keys 3 is two, and one key 3 and one switch 2 form a group and are symmetrical about a central axis of the swing rod 1.

In a preferred embodiment, the reset mechanism 4 comprises: a reset block 41 with an arc-shaped groove 411 is concavely arranged on one side edge opposite to the swing rod 1, and a reset key 42 is arranged on one inclined edge of the reset block 41 and used for pushing the reset block 41 to drive the swing rod 1 to be linked. Specifically, one end of the swing rod 1 is disposed at the groove 411, a top corner of the other side of the reset block 41 is provided with a lacking block, and the reset key 42 is disposed on the inclined edge of the lacking block.

In a preferred embodiment, an engaging column 51 engaged with or abutted against the swing rod 1 is formed on one side of the limiting structure 5 facing the swing rod 1 in a protruding manner, and the engaging column 51 is in a cylindrical shape with a diameter gradually decreasing from the contact surface to the outside.

Please refer to fig. 2 to 5, when a key a of the keys 3 is pressed, one end of the swing rod 2 close to the key a moves along the direction of the switch 2 to the first protruding block 11 to be clamped with the switch contact of the switch 2, at this time, one end of the swing rod 1 abuts against the bottom end of the groove 411, the clamping structure 12 at the other end is clamped with the clamping column 51 to be separated from the clamping column to abut against one side of the clamping column 5, at this time, the device installed in the product is started, the key a is released, the key a resets, and at this time, the device keeps the on state. Press reset button 42, reset block 42 because the interact of power up move to the left towards the picture show that the direction, and then drive pendulum rod 1 with the one end up movement of recess 411 butt, the 1 other end down move of pendulum rod to with the joint of joint post 51, at this moment, switch 2 with first protruding piece 11 block breaks away from, and equipment stall loosens reset button 42, reset block 41 moves to the normal position to the lower right direction, and this structure keeps closed condition. It should be noted that, a spring is installed on the left side of the reset block 41 in the direction shown in the figure, when the reset key 42 is pressed, the spring is stretched, and when the reset key 42 is released, the elastic recovery drives the reset block 41 to recover to the original position. Limiting structure 5 graphic representation direction right side is connected with the elastic component, can compress spring, joint or butt state elastic recovery promotion in the up-and-down motion process of pendulum rod 1 limiting structure 5 resumes the normal position. Further, the key 3 and the switch 2 are both applied in the prior art, and are not further described herein.

Referring to fig. 6 to 9 again, when the B button is pressed, one end of the swing link 2 close to the B button moves along the direction of the switch 2 to the first protruding block 11 to be clamped with the switch contact of the switch 2, at this time, the clamping structure 12 at one end of the swing link 1 is clamped with the clamping column 51 and is separated from the clamping structure 12 to the upper side in the direction of the drawing and is abutted against the lower side of the clamping column 5, the other end of the swing link 1 is abutted against the upper bottom end of the groove 411, at this time, the device installed in the product is started, the B button is released, the B button is reset, and at this time, the device is kept in an open state. Press reset button 42, reset block 42 because the interact of power up move to the left towards the picture show, and then drive pendulum rod 1 with the one end of recess 411 butt is down moved, 1 other end up move to with the joint of joint post 51, at this moment, switch 2 with first protruding piece 11 block breaks away from, and equipment stall loosens reset button 42, reset block 41 moves to the normal position to the lower right direction, and this structure keeps closed condition.

As can be seen from the above description, the mechanical resettable key control mechanism of the present invention is provided with the swing link 1, the two sides of the swing link 1 are respectively provided with the key 3 and the switch 2, and further, the two ends of the swing link 1 are respectively provided with the reset structure 4 and the limit structure 5, when the corresponding key 3 is pressed, the two ends of the swing link 1 respectively move in opposite directions, the switch 2 corresponding to the key 3 is clamped with the first protruding block 11, and when the reset key 42 is pressed, due to the limit effect of the reset block 41 and the limit structure 5 on the swing link 1, the switch 2 and the first protruding block 11 are clamped and separated until the swing link recovers to the original state, and the device is turned off. The product has the characteristics of reasonable structure arrangement and lower production cost.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Mechanical type button control mechanism that resets, its characterized in that includes: the button is arranged on the other side of the swing rod, pushes one end of the swing rod to move towards the first protruding block to be clamped with the switch and pushes the other end of the swing rod to move towards the opposite direction when being pressed, and is respectively arranged at two ends of the swing rod and arranged on a reset structure and a limiting structure on the axis of the swing rod; one end of the swing rod moves up and down in the reset structure according to stress, and the clamping structure at the other end is clamped with the limiting structure or the outer side wall of the clamping structure is abutted to the limiting structure.

2. The mechanical reset key control mechanism of claim 1, wherein the swing link is elliptical, and the engaging structure is formed inward of an end of the swing link adjacent to the limiting structure.

3. The mechanical reset key control mechanism of claim 2, wherein the first protrusion is formed protruding from one side of the swing link, and the key is formed on the other side of the swing link and is coaxial with the first protrusion.

4. The mechanical reset key control mechanism of claim 2, wherein the engaging structure is U-shaped.

5. The mechanically resettable key control mechanism of any of claims 1-4, wherein the switch is in one-to-one correspondence with the first protrusion and the switch contact is in direct correspondence with the first protrusion.

6. The mechanical resettable key control mechanism of claim 1, wherein there are two of said keys, one of said keys and one of said switches in a set, symmetrically about the central axis of said rocker.

7. The mechanically resettable key control mechanism of claim 1, wherein the reset mechanism comprises: the reset block is provided with an arc groove in a concave mode on one side edge opposite to the swing rod, and the reset key is arranged on one inclined edge of the reset block and used for pushing the reset block to drive the swing rod to be linked.

8. The mechanical resettable key control mechanism of claim 7, wherein one end of the rocker arm is disposed in the recess, a notch is disposed at a vertex angle of the other side of the reset block, and the reset key is disposed on the inclined edge of the notch.

9. The mechanical resettable key control mechanism of claim 1, wherein an engaging post engaging or abutting the rocker is formed on one side of the limiting structure facing the rocker in a protruding manner.

10. The mechanical resettable key control mechanism of claim 9, wherein the engagement posts are cylindrical with diameters that decrease from the contact surface outward in sequence.