CN217114182U - Key structure and remote controller - Google Patents

Abstract

The embodiment of the utility model discloses a key structure and remote controller, the key structure includes a first shell, a second shell, a circuit board and a key board, the key board includes a main body part, and a pressing part and an abutting part which are respectively arranged at two ends of the main body part, the first shell is provided with at least two fixed columns, the main body part is provided with at least two fixed holes, the fixed columns are inserted into the hole walls of the fixed holes, therefore, the fixed columns can limit the key board to move along the radial direction of the fixed columns, the key board can be stably limited on a plane which is parallel to the radial direction of the fixed columns by limiting the at least two fixed columns, meanwhile, the fixed columns extend along the first direction, the second shell is provided with a stopping part, the stopping part can abut against the abutting part which moves along the first direction, therefore, the moving stroke of the key board along the axial direction of the fixed columns can be limited by the cooperation of the abutting part and the stopping part, the key board is stably arranged between the first shell and the second shell by multiple degrees of freedom, the positioning and mounting reliability of the key board is higher.

Description

Key structure and remote controller

Technical Field

The utility model relates to a button technical field especially relates to a button structure and remote controller.

Background

The key switch is a switch for triggering a switch command by pressing a key, wherein the key has different kinds, such as a cantilever type key, a seesaw type key, an embedded type key, a 'P + R' type key, and the like. Current key switch includes shell, button and circuit board, and button and circuit board all locate on the shell, press the button after, the contact jaw on the button can be close to the switch contact of circuit board to the trigger switch contact, and then the trigger switch order, generally speaking, along with the button is by frequent press control, the button is easily not hard up on the shell, leads to pressing the feeling variation, leads to contact jaw and switch contact dislocation even, influences key switch's job stabilization nature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a button structure and remote controller, it is easy not hard up on the shell to aim at solving current button, influences key switch job stabilization nature's problem.

In a first aspect, the present invention provides a key structure, including: a first shell, a second shell, a circuit board and a key board, wherein the key board is arranged between the first shell and the second shell, and forms an accommodating space with the first shell and the second shell, the circuit board is arranged in the accommodating space, the circuit board is provided with a switch contact, the key board comprises a main body part, and a pressing part and an abutting part respectively arranged at two ends of the main body part, the main body part is fixedly connected with the second shell, the pressing part is arranged opposite to the switch contact, the first shell is provided with a fixing column, the main body part is provided with a fixing hole, the fixed columns are inserted into the hole walls of the fixed holes, at least two fixed columns are arranged, at least two fixed holes are arranged, the fixing columns are arranged in one-to-one correspondence, extend along a first direction, and the second shell is provided with a stopping portion which is used for abutting against the abutting portion moving along the first direction.

In one embodiment, the abutting portion is provided with an arc-shaped protrusion, and the stopping portion is provided with an arc-shaped groove matched with the arc-shaped protrusion.

In one embodiment, the pressing portion is provided in plurality, and the switch contacts are provided in plurality and are arranged in one-to-one correspondence with the pressing portion.

In one embodiment, the main body includes a plurality of fixing ends, and the first housing is connected to the second housing such that the fixing ends are clamped between the first housing and the second housing.

In one embodiment, the pressing portion includes an activation end, and the activation end is cylindrical and is configured to contact the switch contact.

In one embodiment, the first shell is provided with an avoiding groove, the avoiding groove is used for exposing the pressing part, a gap is formed between the pressing part and the switch contact in a free state, and the pressing part moves close to the switch contact and triggers the switch contact after being pressed.

In one embodiment, the pressing portion further includes a limiting column, a gap is formed between the limiting column and the circuit board in a free state, and after the pressing portion triggers the switch contact, the limiting column is abutted against the circuit board to prevent the pressing portion from moving close to the switch contact.

In one embodiment, the pressing portion further includes a limiting edge, and the limiting edge can be abutted to the first shell to prevent the pressing portion from being separated from the accommodating space.

In one embodiment, the key structure further comprises a battery and a conductive elastic sheet, the battery is installed in the accommodating space through the conductive elastic sheet, and the battery is electrically connected with the circuit board.

In a second aspect, the present invention further provides a remote controller, including the key structure of any of the above embodiments.

Adopt the embodiment of the utility model provides a, following beneficial effect has:

adopt the utility model discloses a button structure and remote controller, because the fixed column is inserted and is located the pore wall of fixed orifices, therefore the fixed column can restrict the keypad and at the radial removal of fixed column, it is further, because the fixed column is equipped with at least two, the fixed orifices is equipped with at least two, and set up with the fixed column one-to-one, therefore can prevent the keypad rotatory around a fixed column, it is spacing through two at least fixed columns, can be on a parallel with the radial plane of fixed column with the keypad stable restriction, and simultaneously, the fixed column extends along the first direction, backstop portion can butt along the butt portion of first direction removal, therefore, cooperation through butt portion and backstop portion, can restrict the keypad and at the axial travel of fixed column, through multi freedom with the keypad stable setting between first shell and second shell, the installation reliability of keypad is higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Wherein:

fig. 1 is a schematic diagram of a key structure in one embodiment.

Fig. 2 is an exploded view of the key structure shown in fig. 1.

Fig. 3 is a front view of the key structure shown in fig. 1.

Fig. 4 is a sectional view taken along line a-a of fig. 3.

Fig. 5 is a schematic view of the key structure shown in fig. 1 with the first housing removed.

Fig. 6 is an installation diagram of the first shell and the key sheet in the key structure shown in fig. 1.

Fig. 7 is a schematic diagram of a keypad in the key structure shown in fig. 1.

Reference numerals: 100. a first shell; 110. fixing a column; 120. an avoidance groove; 130. connecting holes; 200. a second shell; 210. a stopper portion; 300. a circuit board; 310. a switch contact; 400. a key sheet; 410. a main body portion; 411. a fixing hole; 412. a fixed end; 420. a pressing part; 421. a trigger end; 422. a limiting column; 423. a limiting edge; 430. an abutting portion; 500. an accommodating space; 600. a battery; 700. a conductive spring plate; 800. a connecting member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

An embodiment of the utility model provides a button structure, this button structure can be applied to electronic equipment such as remote controller, computer, triggers the button structure and can send control command.

Referring to fig. 1 to 4, the key structure of an embodiment includes a first shell 100, a second shell 200, a circuit board 300 and a key board 400, wherein the key board 400 is disposed between the first shell 100 and the second shell 200 and surrounds the first shell 100 and the second shell 200 to form an accommodating space 500, the circuit board 300 is disposed in the accommodating space 500, a switch contact 310 is disposed on the circuit board 300, and when the switch contact 310 is triggered by pressure, the circuit board 300 can send a control command.

In this embodiment, please refer to fig. 5 to 7 together, the keypad 400 includes a main body portion 410, and a pressing portion 420 and an abutting portion 430 respectively disposed at two ends of the main body portion 410, the main body portion 410 is fixedly connected to the second casing 200, the pressing portion 420 is disposed opposite to the switch contact 310, the first casing 100 is provided with a fixing post 110, the main body portion 410 is provided with a fixing hole 411, the fixing post 110 is inserted into a hole wall of the fixing hole 411, at least two fixing posts 110 are disposed in the fixing hole 411, at least two fixing holes 411 are disposed and are disposed in one-to-one correspondence with the fixing posts 110, the fixing posts 110 extend along the first direction, the second casing 200 is provided with a stopping portion 210, and the stopping portion 210 is used for abutting against the abutting portion 430 moving along the first direction.

It can be understood that, since the fixing post 110 is inserted into the hole wall of the fixing hole 411, the fixing post 110 can limit the movement of the key board 400 in the radial direction of the fixing post 110, and further, because at least two fixing posts 110 are provided, and at least two fixing holes 411 are provided, and are arranged corresponding to the fixing posts 110 one by one, therefore, the keypad 400 can be prevented from rotating around one fixing post 110, and limited by at least two fixing posts 110, the keypad 400 can be stably confined to a plane parallel to the radial direction of the fixing posts 110, meanwhile, the fixed column 110 extends along the first direction, and the stopping portion 210 can abut against the abutting portion 430 moving along the first direction, so that, by cooperation of the abutting portion 430 and the stopping portion 210, the key sheet 400 can be restricted from moving in the axial direction of the fixing post 110, and the key sheet 400 is stably disposed between the first case 100 and the second case 200 through multiple degrees of freedom, so that the reliability of positioning and mounting of the key sheet 400 is higher.

Therefore, the utility model discloses a button structure is after using for a long time, presses the keypad 400 press the splenium 420 when, presses splenium 420 still can have better counterpoint relation with switch contact 310, guarantees to press the control stability and the reliability of structure, and maintains that the user presses the good of feeling of pressing splenium 420.

Optionally, in the present embodiment, please continue to refer to fig. 5 and fig. 6, two fixing posts 110 and two fixing holes 411 are respectively disposed. Of course, in other embodiments, three, four or more fixing posts 110 and fixing holes 411 may be provided, respectively.

In an embodiment, with reference to fig. 5 and fig. 6, the abutting portion 430 has an arc protrusion, and the stopping portion 210 has an arc groove matching with the arc protrusion. Through the setting of arc arch and arc recess, when butt portion 430 is close to backstop 210 and removes, the groove wall of arc recess can have the guide relation with the arc arch to guarantee butt portion 430 and the stability and the reliability of backstop 210 butt counterpoint.

Of course, in other embodiments, the abutting portion 430 may further include a guiding post, the stopping portion 210 may further include a limiting hole, the guiding post may be inserted into the limiting hole and may abut against a bottom wall of the limiting hole, the abutting portion 430 and the stopping portion 210 may further have other matching forms, and the purpose of the guiding post is to enable the stopping portion 210 to abut against the abutting portion 430 moving along the first direction, so as to provide a limitation to the key board 400 in one direction, and of course, the abutting portion 430 and the stopping portion 210 may further be respectively provided with other guiding structures, so as to ensure stability and reliability of the abutting alignment of the abutting portion 430 and the stopping portion 210.

In an embodiment, referring to fig. 2, 4 to 6, a plurality of pressing portions 420 are provided, a plurality of switch contacts 310 are provided and are arranged in one-to-one correspondence with the pressing portions 420, and the plurality of pressing portions 420 and the plurality of switch contacts 310 are matched to enable the key structure to provide a plurality of control commands. Alternatively, three pressing portions 420 and three switch contacts 310 are provided, respectively. Of course, in other embodiments, two, four or more pressing portions 420 and switch contacts 310 may be provided.

In an embodiment, with continued reference to fig. 4 and 5, the main body 410 includes a plurality of fixing ends 412, and the first casing 100 is connected to the second casing 200, so that the fixing ends 412 can be clamped and fixed between the first casing 100 and the second casing 200. By fixing the plurality of fixing ends 412, stability and reliability of fixing the body part 410 between the first and second cases 100 and 200 may be ensured. Alternatively, the key sheet 400 is an elastic member.

It can be understood that the fixed fulcrum provided by the main body 410 can enable the pressing portion 420 to be reset after being pressed to deform and move, so that the switch contact 310 can be re-triggered by repeatedly pressing the pressing portion 420 to provide control instructions again.

Optionally, the second casing 200 is provided with a plurality of supporting ends for abutting against the fixing end 412, and further, the second casing 200 may be further provided with a limiting protrusion, the key board 400 may be further provided with a limiting groove, and the limiting protrusion is in clamping connection with a groove wall of the limiting groove for limiting, so as to realize stable setting of the key board 400 in the accommodating space 500.

In an embodiment, referring to fig. 2, 4 to 7, the pressing portion 420 includes a trigger end 421, and the trigger end 421 is in a cylindrical shape and is used for contacting with the switch contact 310, so that the arrangement of the trigger end 421 is further beneficial for the pressing portion 420 to contact and cooperate with the switch contact 310 to trigger the control command.

It is understood that the positions of the trigger end 421 and the switch contact 310 and the gap size between the trigger end 421 and the switch contact 310 in the free state can be adjusted according to the specific design of the key sheet 400 and the circuit board 300, the positions of the trigger end 421 and the switch contact 310 are changed, and the gap size between the trigger end 421 and the switch contact 310 in the free state is also changed.

Further, referring to fig. 1 and 2, the first shell 100 is provided with an avoiding groove 120, the avoiding groove 120 is used for exposing the pressing portion 420, and a user can press the pressing portion 420 at the outer side of the pressing structure, which is more beneficial for the user to operate. Optionally, a plurality of avoiding grooves 120 are provided, and are provided in one-to-one correspondence with the pressing portions 420.

In an embodiment, the pressing portion 420 further includes a limiting post 422, and the limiting post 422 can abut against the circuit board 300 when the pressing portion 420 moves close to the switch contact 310, so as to control the moving stroke of the pressing portion 420, and prevent the switch contact 310 on the circuit board 300 from being damaged due to over-triggering.

Further, with reference to fig. 4 and fig. 5, the pressing portion 420 further includes a limiting edge 423, the limiting edge 423 can abut against the first shell 100 to prevent the pressing portion 420 from separating from the accommodating space 500, and the limiting edge 423 can abut against the first shell 100 when the pressing portion 420 moves away from the switch contact 310 to control a moving stroke of the pressing portion 420 during resetting, so as to prevent the pressing portion 420 from separating from the accommodating space 500.

In a free state, the pressing portion 420 has a gap with the switch contact 310, that is, the triggering end 421 has a gap with the switch contact 310, the pressing portion 420 does not trigger the switch contact 310, the limiting post 422 has a gap with the circuit board 300, after the pressing portion 420 is pressed, the pressing portion 420 moves close to the switch contact 310 until the triggering end 421 contacts the switch contact 310, and the triggering end 421 triggers the switch contact 310 to trigger the control command.

After pressing portion 420 triggers switch contact 310, spacing post 422 abuts against circuit board 300 to prevent pressing portion 420 from moving close to switch contact 310, after user loosens pressing portion 420, pressing portion 420 elastically resets, pressing portion 420 moves towards the direction far away from switch contact 310 until spacing edge 423 abuts against first shell 100 to prevent pressing portion 420 from disengaging from accommodation space 500.

Specifically, the keypad 400 is a seesaw type key, and in a free state, the upper surface of the keypad 400 is flush with the outer side wall of the first case 100, the user presses the pressing part 420, the pressing part 420 moves close to the switch contact 310, at this time, the pressing part 420 is lower than the outer side wall of the first case 100, the keypad 400 elastically deforms, the user releases the pressing part 420, the keypad 400 elastically resets, the pressing part 420 returns to the initial position, and at this time, the pressing part 420 is flush with the outer side wall of the first case 100. Optionally, the keypad 400 is a plastic key.

Of course, in other embodiments, the position-limiting column 422 may also be in abutting fit with the second shell 200 or other components, and the position-limiting column 422 is configured to limit the moving stroke of the pressing portion 420 close to the circuit board 300, so as to avoid excessive movement of the pressing portion 420.

In an embodiment, referring to fig. 2, the key structure further includes a battery 600 and a conductive elastic sheet 700, the battery 600 is installed in the accommodating space 500 through the conductive elastic sheet 700, and the battery 600 is electrically connected to the circuit board 300 to implement the installation of the battery 600. Through the arrangement of the conductive elastic sheet 700, the stability and reliability of the installation of the battery 600 can be improved. Specifically, the conductive elastic sheet 700 is a metal sheet.

Further, referring to fig. 2 and 4, the key structure further includes a connecting member 800, and the connecting member 800 penetrates through the second shell 200 and is connected to the first shell 100 to realize the connection and fixation of the first shell 100 and the second shell 200. Preferably, at least one of the first and second cases 100 and 200 is provided with a connection hole 130, and the connection hole 130 is used for installing a hanging rope or the like.

Referring to fig. 1 to 7, an embodiment of a remote controller includes the key structure of any of the above embodiments. Because the fixing posts 110 are inserted into the hole walls of the fixing holes 411, the fixing posts 110 can limit the radial movement of the key board 400 on the fixing posts 110, further, because at least two fixing posts 110 are provided, at least two fixing holes 411 are provided, and are arranged corresponding to the fixing posts 110 one by one, the key board 400 can be prevented from rotating around one fixing post 110, the key board 400 can be stably limited on a plane parallel to the radial direction of the fixing posts 110 by limiting the position of at least two fixing posts 110, meanwhile, the fixing posts 110 extend along the first direction, the stopping part 210 can abut against the abutting part 430 moving along the first direction, therefore, the axial movement stroke of the key board 400 on the fixing posts 110 can be limited by the cooperation of the abutting part 430 and the stopping part 210, the key board 400 is stably arranged between the first shell 100 and the second shell 200 through multiple degrees of freedom, and the installation reliability of the key board 400 is higher, the service life of the remote controller can be prolonged.

When the remote controller of the present embodiment is a garage door remote controller, three pressing portions 420 are provided for controlling the opening of a garage door, the closing of the garage door, and the opening and closing of a garage door illuminating lamp, respectively.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims (10)

1. A key structure, comprising: a first shell, a second shell, a circuit board and a key board, wherein the key board is arranged between the first shell and the second shell, and forms an accommodating space with the first shell and the second shell, the circuit board is arranged in the accommodating space, the circuit board is provided with a switch contact, the key board comprises a main body part, and a pressing part and an abutting part respectively arranged at two ends of the main body part, the main body part is fixedly connected with the second shell, the pressing part is arranged opposite to the switch contact, the first shell is provided with a fixing column, the main body part is provided with a fixing hole, the fixed columns are inserted into the hole walls of the fixed holes, at least two fixed columns are arranged, at least two fixed holes are arranged, the fixing columns are arranged in one-to-one correspondence, extend along a first direction, and the second shell is provided with a stopping portion which is used for abutting against the abutting portion moving along the first direction.

2. The key structure of claim 1, wherein the abutting portion has an arc protrusion, and the stopping portion has an arc groove adapted to the arc protrusion.

3. The key structure according to claim 1, wherein a plurality of the pressing portions are provided, and a plurality of the switch contacts are provided in one-to-one correspondence with the pressing portions.

4. The key structure of claim 1, wherein the main body portion includes a plurality of fixing ends, and the first housing is coupled to the second housing such that the fixing ends are clampingly fixed between the first housing and the second housing.

5. The key structure according to claim 1, wherein the pressing portion includes an activation end having a columnar shape and configured to contact the switch contact.

6. The key structure according to claim 1, wherein the first housing is provided with an avoiding groove for exposing the pressing portion, the pressing portion has a gap with the switch contact in a free state, and when the pressing portion is pressed, the pressing portion moves close to the switch contact and triggers the switch contact.

7. The key structure of claim 6, wherein the pressing portion further comprises a limiting post, a gap is formed between the limiting post and the circuit board in a free state, and the limiting post abuts against the circuit board after the pressing portion triggers the switch contact to prevent the pressing portion from moving close to the switch contact.

8. The key structure of claim 1, wherein the pressing portion further includes a limiting edge, and the limiting edge can abut against the first shell to prevent the pressing portion from being separated from the accommodating space.

9. The key structure of claim 1, further comprising a battery and a conductive spring, wherein the battery is mounted in the accommodating space through the conductive spring, and the battery is electrically connected to the circuit board.

10. A remote control comprising the key structure of any one of claims 1 to 9.

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