CN211150372U - Novel button switch structure - Google Patents

Abstract

The utility model relates to a novel button switch structure, it includes casing, button and switch body, the casing is equipped with the mounting hole that is used for the button installation, integrative injection moulding has the plasticity spring in the mounting hole of casing, the both sides of button are provided with has elastic jack catch, integrated into one piece has with jack catch joint complex buckle in the mounting hole, the button receives pressing force and plasticity spring contact to make the plasticity spring take place elastic deformation and switch body contact, make the switch body open or close. The utility model has the advantages of simple structure, easy installation and suitability for mass production.

Description

Novel button switch structure

Technical Field

The utility model belongs to the technical field of the technique of switch and specifically relates to a novel button switch structure is related to.

Background

The button switch is a switch which utilizes a button to push a transmission mechanism, enables a movable contact and a static contact to be pressed on or off and realizes circuit switching. The button switch is a master control electrical appliance with simple structure and wide application. In an electric automatic control circuit, it is used to manually send out control signals to control a contactor, a relay, an electromagnetic starter, and the like.

In the existing design, chinese patent with publication number CN202695234U discloses a reset switch, which includes a housing and a button, wherein the housing includes a housing body and a base, a spring seat, a stationary contact assembly, a movable contact assembly and a support assembly are disposed in the housing, spring pins are disposed at upper and lower ends of the spring seat, the spring pin at the lower end of the spring seat is connected to the movable contact assembly, a balance wheel is further disposed in the housing, the balance wheel is disposed between the spring seat and the button, a balance wheel tooth is disposed on the balance wheel, a protrusion engaged with the balance wheel tooth is disposed on the button, and the balance wheel makes the spring seat swing-connected to the housing body through the spring pin at the upper end of the spring seat.

The existing design scheme has the following defects that the opening and closing mode of the reset switch needs to be matched with all parts, the switch is very complex in the installation process, all parts need to be accurately installed, and the reset switch is not suitable for mass production of the switch.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a novel button switch structure, it has simple structure, easily installs, is suitable for mass production's effect.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a novel button switch structure, includes casing, button and switch body, the casing is equipped with the mounting hole that is used for the button installation, integrative injection moulding has the plasticity spring in the mounting hole of casing, the both sides of button are provided with has elastic jack catch, integrated into one piece has with jack catch joint complex buckle in the mounting hole, the button receives pressing force and plasticity spring contact to make the plasticity spring take place elastic deformation and switch body contact, make the switch body open or close.

Through adopting above-mentioned technical scheme, the plasticity spring passes through injection mold integrated into one piece with the casing, can realize large batch production through injection mold, the jack catch on the button cooperates with the buckle joint on the casing, the button receives the pressing force to the through-hole internal motion, after contacting with the plasticity spring, the pressing force makes the plasticity spring produce deformation to switch body direction, and touch the switch body, make switch body switch-on or disconnection, the jack catch is with the joint mode of buckle, be convenient for the equipment and the use of button and casing, can realize large batch production.

The present invention may be further configured in a preferred embodiment as: the plastic spring comprises root parts at two ends and a core part positioned in the center, the core part is S-shaped, the root parts are parallel to each other, and in a natural state, the core part and the root parts are positioned on the same plane.

Through adopting above-mentioned technical scheme, the core is the S type, has lengthened the length of plastic spring for the elastic deformation volume increase of plastic spring, when taking place the same deformation volume, the core can produce deformation on vertical and horizontal, and when the plastic spring produced deformation, it was not fragile.

The present invention may be further configured in a preferred embodiment as: the core is provided with a pressing block which is used for pressing the switch body in an integrated manner at the center of one side close to the switch body.

Through adopting above-mentioned technical scheme, according to the setting of pressing the briquetting, increased with the area of contact of switch body, easily trigger the switch-on and the disconnection of switch body for the button is more sensitive to the opening and shutting of switch body, easily triggers the switch.

The present invention may be further configured in a preferred embodiment as: and a movable module used for being contacted with the button is integrally formed on the other side of the core part far away from the switch body.

Through adopting above-mentioned technical scheme, the area of contact of button and plastic spring has been reduced in the setting of movable module for the deformation volume increase of plastic spring, the back of button and movable module contact simultaneously, exerts the force to plastic spring through movable module, and the last power that receives is more even on the plastic spring, has protected plastic spring, has effectively prevented plastic spring's damage.

The present invention may be further configured in a preferred embodiment as: and a groove is formed in one side, away from the plastic spring, of the movable module.

Through adopting above-mentioned technical scheme, the setting of recess is convenient for with injection mold's the mouth butt joint of moulding plastics, has guaranteed housing face's integrality for housing face is more exquisite, simultaneously, and produced runner after moulding plastics hides in the recess, can not lead to the fact the influence to the contact of movable module and button, and it is bad to fill when avoiding the plastic spring to mould plastics, prevents plastic spring's damage.

The present invention may be further configured in a preferred embodiment as: the mounting hole of casing is downthehole integrated into one piece has along mounting hole length direction extension baffle, be formed with between baffle and the casing and be used for the spacing spout of jack catch.

Through adopting above-mentioned technical scheme, the baffle is used for spacing the jack catch, avoids button and mounting hole to take place to rotate, and causes button and casing to take place wearing and tearing, simultaneously, prevents that jack catch and plasticity spring from contacting, and causes the damage of plasticity spring, protects the plasticity spring.

The present invention may be further configured in a preferred embodiment as: one side of the clamping jaw, which is far away from the button, is provided with a guide inclined plane which is convenient for the clamping jaw to slide into the clamping buckle.

Through adopting above-mentioned technical scheme, the setting on direction inclined plane, when jack catch and buckle contact, the buckle produces the holding power on a perpendicular to direction inclined plane, the holding power decomposes into along the power of through-hole direction and the power of perpendicular to through-hole direction, the power of perpendicular to through-hole direction for two jack catches move in opposite directions, make the jack catch take place to deform, the jack catch slides in the buckle after, the produced elasticity of jack catch deformation makes the jack catch resume, and then cooperates with the buckle joint, fix the button.

The present invention may be further configured in a preferred embodiment as: the clamping jaws are provided with through holes.

Through adopting above-mentioned technical scheme, the setting of through-hole, when the jack catch was moulded plastics and is produced, reduced the raw and other materials that mould plastics and use, saved the cost, simultaneously, reduced the hardness of jack catch, the jack catch of being convenient for produces deformation, carries out the joint cooperation with the buckle.

The present invention may be further configured in a preferred embodiment as: the width formed by the inner side surface of the clamping jaw and the buckle is smaller than the gap between the plastic spring and the inner wall of the mounting hole.

Through adopting above-mentioned technical scheme, jack catch and buckle joint complex in-process, the maximum width of jack catch and buckle is less than the clearance between plastic spring and the mounting hole inner wall, and the jack catch can not touch plastic spring in the installation, further protects plastic spring.

The present invention may be further configured in a preferred embodiment as: a reinforcing plate is integrally formed in the mounting hole of the shell, and the reinforcing plate and the plastic spring are located on the same surface.

Through adopting above-mentioned technical scheme, the gusset plate is fixed at the inner wall of mounting hole, and is in same face with the plastic spring, plays the reinforcing effect to the plastic spring, simultaneously, cooperation buckle, button avoid light to reveal from the clearance of button and mounting hole.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the plastic spring and the shell are integrally formed through the injection mold, mass production can be realized through the injection mold, the clamping jaws on the button are clamped and matched with the clamping buckles on the shell, the button moves towards the through hole under the action of pressing force, and after the button is contacted with the plastic spring, the plastic spring deforms towards the switch body and touches the switch body through the pressing force, so that the switch body is switched on or off;

2. the core part is S-shaped, the length of the plastic spring is lengthened, so that the elastic deformation amount of the plastic spring is increased, the core part can deform in the longitudinal direction and the transverse direction while the same deformation amount is generated, and the plastic spring is not easy to damage when deformed;

3. the baffle is used for spacing the jack catch, avoids button and mounting hole to take place to rotate, and causes button and casing to take place wearing and tearing, simultaneously, prevents that the jack catch from contacting with the plasticity spring, and causes the damage of plasticity spring, protects the plasticity spring.

Drawings

FIG. 1 is a schematic cross-sectional view of a novel push button switch configuration;

FIG. 2 is an exploded view of a novel push button switch configuration;

FIG. 3 is a schematic structural view of a plastic spring and a reinforcing plate in a novel push button switch structure;

FIG. 4 is a schematic bottom view of a novel push button switch structure;

fig. 5 is an exploded view of the button and the case in a novel push button switch configuration.

Reference numerals: 1. a button; 2. a housing; 21. mounting holes; 3. a switch body; 4. a plastic spring; 41. a core; 42. a root portion; 5. a claw; 51. a clamping part; 511. a guide slope; 52. a connecting plate; 521. a through hole; 6. buckling; 61. a guide ramp; 7. a pressing block; 8. a movable module; 81. a groove; 9. a fixed block; 91. a slot; 92. grooving; 93. a cross-shaped column; 10. a baffle plate; 101. chamfering; 11. a chute; 12. a reinforcing plate; 13. a ring plate; 14. avoiding the hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Combine fig. 1, do the utility model discloses a novel button switch structure, including casing 2, casing 2 is moulded plastics by recoverable plastics material and is formed, and one side of casing 2 is moulded plastics and is formed with and is the circular shape mounting hole 21, and casing 2 internal fixation is provided with switch body 3, and switch body 3 is located the center of mounting hole 21, installs the button 1 that is used for starting switch body 3 in the mounting hole 21.

With reference to fig. 1 and 2, a plastic spring 4 is integrally formed in the mounting hole 21, and in the height direction of the housing 2, the plastic spring 4 is located between the button 1 and the switch body 3, and the plastic spring 4 is pressed by the button 1, so that the plastic spring 4 deforms to one side close to the switch body 3, and meanwhile, elastic force is stored and contacts with the top of the switch body 3, so that a circuit in the switch body 3 is connected or disconnected, when the button 1 is released, the plastic spring 4 is separated from the switch body 3 due to the elastic force of the plastic spring 4, and the plastic spring 4 is restored to a natural state.

With reference to fig. 1 and 2, a movable module 8 is integrally formed at the center of one side of the plastic spring 4 close to the button 1, and the movable module 8 is used for contacting with the bottom of the button 1, so that the contact area between the button 1 and the plastic spring 4 is reduced, the plastic spring 4 is convenient to deform, and meanwhile, the force on the plastic spring 4 is uniformly distributed.

Combine fig. 3 and fig. 4, plastic spring 4 includes root 42 at plastic spring 4 both ends and is located the core 41 at mounting hole 21 center, core 41 is the S type, two root 42 are parallel to each other, and two root 42 are corresponding on the radial direction of mounting hole 21, under the natural state, core 41 and root 42 are located the coplanar, effectively avoid receiving the inhomogeneous damage that leads to plastic spring 4 of atress, avoid appearing wearing and tearing fracture after pressing for a plurality of times, the life of plastic spring 4 has been guaranteed, and simultaneously, the pressing force that button 1 that the center of plastic spring 4 received gave, make the bottom motion of plastic spring 4 center to switch body 3, plastic spring 4 produces the deformation, the power on the plastic spring 4 diffuses to both ends along the center of plastic spring 4.

With reference to fig. 3 and 4, preferably, an included angle formed by a tangent line at a connection position of the movable module 8 and the plastic spring 4 and the root 42 is 45 °, so that complexity of an injection mold for producing the integrally formed plastic spring 4 and the housing 2 is reduced as much as possible, and compared with a linear elastic piece, the S-shaped core 42 increases the length of the plastic spring 4, so that an elastic deformation amount of the plastic spring 4 is increased, and the plastic spring 4 is effectively prevented from being damaged in a using process.

With reference to fig. 2, one side of the movable module 8 close to the button 1 is integrally formed with a groove 81 recessed into the movable module 8, and the groove 81 is used for corresponding to an injection molding opening on an injection mold, so that poor filling during injection molding of the plastic spring 4 is avoided, the plastic spring 4 is prevented from being damaged, the integrity of the product surface is facilitated, and meanwhile, the contact between the movable module 8 and the button 1 is not affected.

With reference to fig. 4 and 5, the plastic spring 4 is integrally formed with a pressing block 7 at a center of a side thereof close to the switch body 3, the center of the plastic spring 4 is cross-shaped, and the pressing block 7 extends along a surface of the cross-shape toward the switch body 3, so that when the pressing block 7 contacts the switch body 3, a uniform pressing force is applied to the switch body 3.

Combine fig. 2 and fig. 5, button 1 is moulded plastics by recoverable plastics material and is formed, one side center department integrated into one piece of button 1 has the fixed block 9 that is used for pressing movable module 8, fixed block 9 is kept away from one side of button 1 and is seted up with movable module 8 grafting complex slot 91, when button 1 presses movable module 8 of being convenient for, apply even power to movable module 8, the tank bottom of slot 91 can be equipped with the grooving 92 that extends to button 1 surface, make the reservation part present cross cylinder 93, when having guaranteed fixed block 9 intensity, when having reduced injection moulding, the use of raw and other materials, and the cost is saved.

Referring to fig. 1 and 5, two claws 5 are integrally formed on one side of the button 1 close to the fixed block 9, the claws 5 are symmetrically arranged about the central axis of the mounting hole 21 of the button 1, the inside of the mounting hole 21 is integrally formed with a buckle 6 in clamping fit with the claws 5, each claw 5 comprises a clamping portion 51 and a connecting plate 52, the distance from the outer side of the clamping portion 51 to the central axis of the button 1 is the same as the distance from the side of the button 1 to the central axis of the button 1, and the side of the button 1 is not protruded, so that the clamping portion 51 is prevented from being deformed too much and broken in the mounting process, the injection molding is facilitated, a guide inclined surface 511 is formed on one side of the clamping portion 51 away from the button 1, when the button 1 is mounted, the guide inclined surface 511 is abutted against the buckle 6, a pressing force is applied to the button 1, and the buckle 6 generates a supporting force perpendicular to the guide, so that the two claws 5 are deformed in opposite directions and move in opposite directions, and the claws 5 slide into the buckles 6.

With reference to fig. 1, a guiding inclined surface 61 for sliding the clamping portion 51 into the clamping portion 6 is formed on one side of the clamping portion 6 close to the button 1, the clamping portion 51 generates a pressure perpendicular to the guiding inclined surface 61 on the clamping portion 6, the pressure forms a force along the direction of the mounting hole 21 and a force perpendicular to the inner wall of the mounting hole 21 through separation, the force along the direction of the mounting hole 21 is smaller than the pressure, the damage of the clamping portion 6 is effectively avoided, and meanwhile, the clamping fit between the clamping portion 6 and the clamping jaw 5 is facilitated.

With reference to fig. 1 and 5, in the process of clamping the clamping portion 51 and the buckle 6, the distance from the inner side wall of the clamping portion 51 to the mounting hole 21 is smaller than the gap between the core portion 41 and the inner wall of the mounting hole 21, so as to prevent the claw 5 from touching the plastic spring 4 and causing the plastic spring 4 to be damaged in the installation process of the button 1.

Combine fig. 1 and fig. 5, when cross cylinder 93 and movable module 8 contact in the fixed block 9, joint portion 51 and buckle 6 have the clearance, when effectively avoiding button 1 not to receive pressure, produce certain pressure to plastic spring 4, and make plastic spring 4 produce deformation, lead to plastic spring 4 to be in under the deformation state always, guaranteed plastic spring 4's life.

Combine fig. 1 and fig. 2, offer on two connecting plates 52 along the button 1 radial direction extension and the through-hole 521 that link up each other, the setting of through-hole 521 is convenient for connecting plate 52 and is out of shape for joint 51 slides in between buckle 6 and the plastic spring 4, simultaneously, when having reduced the button 1 of moulding plastics, the raw and other materials that use have practiced thrift the cost.

Combine fig. 2, integrated into one piece has baffle 10 in the mounting hole 21, the quantity of baffle 10 is four, baffle 10 extends and is located the tip of buckle 6 along the direction of mounting hole 21, two liang of baffle 10 are a set of, every group baffle 10 cooperatees with jack catch 5, two baffle 10 forms the spout 11 that is used for jack catch 5 to slide the installation, one side that switch body 3 was kept away from to two baffle 10 is equipped with the chamfer 101 that is used for jack catch 5 to get into spout 11, setting up of spout 11 prevents effectively that button 1 from taking place to rotate with casing 2, cause wearing and tearing, avoid jack catch 5 and the contact of plastic spring 4 simultaneously, lead into the damage to plastic spring 4.

With reference to fig. 2 and 3, a reinforcing plate 12 for reinforcing the plastic spring 4 is integrally formed in the mounting hole 21, the reinforcing plate 12 and the plastic spring 4 are located on the same plane, two ends of the reinforcing plate 12 are connected with the baffle 10, a ring plate 13 extending towards one side of the reinforcing plate 12 is integrally formed at the edge of the button 1, an avoiding hole 14 for avoiding the baffle 10 is formed at the joint of the ring plate 13 and the claw 5, interference between the ring plate 13 and the baffle 10 is avoided, and the ring plate 13 is arranged to be conveniently matched with the mounting hole 21 in a sliding manner.

Referring to fig. 2 and 3, the plastic spring 4 is pressed by the button 1, so that the center of the plastic spring 4 approaches the top surface of the switch body 3, the plastic spring 4 deforms, the force applied to the core 41 of the plastic spring 4 is diffused from the center of the core 41 to the two ends along the shape of the core 41, so that the core 41 deforms and then is transferred to the root 42, so that the root 42 deforms, and meanwhile, the force is transferred to the reinforcing plate 12 along the root 42, so that the reinforcing plate 12 deforms, and in the process, the force gradually decreases, and the deformation of the reinforcing plate 12 makes the plastic spring 4 not be damaged easily.

Preferably, the draft angle of button 1 and casing 2 is between 2 and 3 °, be convenient for button 1 and casing 2's injection moulding, when cross cylinder 93 contacts with movable module 8, the distance between joint 51 and the buckle 6 is 0.35 to 0.5mm, make jack catch 5 and 6 joint complex in-process can not break and stress damage, the clearance between movable module 8 and the slot 91 inner wall is between 0.15 and 0.2mm, avoid movable module 8 and fixed block 9 interference fit, the clearance between movable module 8 bottom and the switch top is set for between 0.35 to 0.5mm, reduce the stroke, when reducing plastic spring 4 and switch body 3 and contacting, the deformation volume that produces, make plastic spring 4 improve durably.

The utility model discloses an implement the principle and do:

constitute casing 2 and button 1 after the injection moulding, jack catch 5 on the button 1 inserts in the mounting hole 21 on the casing 2, jack catch 5 cooperates with 6 joint of buckle along spout 11 in the mounting hole 21, button 1 is fixed to casing 2, fix the center department of mounting hole 21 in the casing 2 with switch body 3, press button 1, button 1 slides along mounting hole 21, and contradict with plastic spring 4, and make plastic spring 4 produce deformation towards the direction of switch body 3, make plastic spring 4 and switch body 3 contact, trigger switch body 3's switch-on or disconnection, when loosening button 1, the elasticity that plastic spring 4 produced, make plastic spring 4 reply under the natural state, the complicated problem of switch structure installation has been solved to this structure, the space utilization efficiency has been improved simultaneously.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a novel button switch structure, includes casing (2), button (1) and switch body (3), its characterized in that: casing (2) are equipped with mounting hole (21) that are used for button (1) installation, integrative injection moulding has plastic spring (4) in mounting hole (21) of casing (2), the both sides of button (1) are provided with has elastic jack catch (5), integrated into one piece has in mounting hole (21) with jack catch (5) joint complex buckle (6), button (1) receives pressing force and plastic spring (4) contact to make plastic spring (4) take place elastic deformation and switch body (3) contact, make switch body (3) open or close.

2. The novel push button switch structure of claim 1, wherein: the plastic spring (4) comprises root parts (42) at two ends and a core part (41) positioned in the center, the core part (41) is S-shaped, the root parts (42) are parallel to each other, and in a natural state, the core part (41) and the root parts (42) are positioned on the same plane.

3. The novel push button switch structure of claim 2, wherein: the core (41) is integrally formed with a pressing block (7) for pressing the switch body (3) at the center of one side close to the switch body (3).

4. The novel push button switch structure of claim 3, wherein: the other side of the core part (41) far away from the switch body (3) is integrally formed with a movable module (8) which is used for being in contact with the button (1).

5. The novel push button switch structure of claim 4, wherein: and a groove (81) is formed in one side, away from the plastic spring (4), of the movable module (8).

6. The novel push button switch structure of claim 5, wherein: the utility model discloses a clamping jaw (5) is including casing (2), integrated into one piece has baffle (10) that extend along mounting hole (21) length direction in mounting hole (21) of casing (2), be formed with between baffle (10) and casing (2) and be used for spacing spout (11) of jack catch (5).

7. The novel push button switch structure of claim 6, wherein: one side of the claw (5) far away from the button (1) is provided with a guide inclined plane (511) which is convenient for the claw (5) to slide into the buckle (6).

8. The novel push button switch structure of claim 6, wherein: the claw (5) is provided with a through hole (521).

9. The novel push button switch structure of claim 8, wherein: the width formed by the inner side surface of the clamping jaw (5) and the buckle (6) is smaller than the gap between the plastic spring (4) and the inner wall of the mounting hole (21).

10. The novel push button switch structure of claim 2, wherein: a reinforcing plate (12) is integrally formed in the mounting hole (21) of the shell (2), and the reinforcing plate (12) and the plastic spring (4) are located on the same surface.

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