TWM518396U - Dual-seesaw type support mechanism and thin typing key - Google Patents

Description

Double slab type support mechanism and thin type key

The present invention relates to a button, and more particularly to a double-plate type support mechanism and a thinned type key.

Referring to FIGS. 1 and 2, a conventional button 10 includes a bottom plate 11, a keycap 12, a lifting support unit 13 mounted between the bottom plate 11 and the keycap 12, and two springs 14. The lifting support unit 13 has two connecting members 15 . Each connecting member 15 has two arm portions 151 and 152 and a connecting block 153 respectively disposed at two ends of the connecting block 153 and slidably mounted on the bottom plate 11 . The two sliding shafts 154 are respectively disposed on the two arm portions 151 and 152 and away from the sliding shaft 154 and are rotatably mounted on the two pivoting shafts 155 of the keycap 12, and are respectively disposed on the two arm portions 151, A tooth 156 and a second tooth 157 of the 152. When the assembly is completed, the arm portion 151 is opposite to the arm portion 152, and a gear hinge 158 is formed by the tooth piece 156 and the two tooth pieces 157 meshing with each other, and the two springs 14 are respectively mounted on Between the bottom plate 11 and the two connecting blocks 153, the two connecting blocks 153 can be pushed to automatically raise and lower the key cap 12 after being pressed down.

The button 10 has the tooth piece 156 and the two tooth pieces 157 openly engaged in the left-right direction, but only close to each other and is easily separated, so that the lifting and supporting unit 13 cannot be pre-assembled, which affects the button. The assembly efficiency of the button 10 and the structural strength of the gear hinge 158 are poor, and the damage rate is high.

Referring to FIGS. 3 and 4, another conventional button 20 includes a bottom plate 21, a keycap 22, and a lifting support unit 23 mounted between the bottom plate 21 and the keycap 22. The bottom plate 21 has two inner sliding slots 211 and four outer sliding slots 212. The lifting and lowering support unit 23 has two connecting rods 24, and the connecting rod 24 has a first arm portion 241 and a second arm portion 242 respectively disposed on the bottom rail portion 211. a slot 243 of the first arm portion 241, an abutting portion 244 located in the slot 243, and a first inner shaft block 245 slidingly disposed on one of the inner sliding slots 211, one slided on one of the outer sliding blocks 245 The first outer shaft block 246 of the slot 212 is respectively disposed on a protruding portion 247 of the second arm portion 242, a wing portion 248 located on the bottom side of the protruding portion 247 and a first sliding portion disposed on one of the outer sliding slots 212 Two outer shaft blocks 249, and a slide bar 240 that is slidably coupled to the keycap 22. When the assembly is completed, the first arm portion 241 of the two links 24 and the second arm portion 242 are opposite to each other, and the protruding portion 247 is located in the slot 243 and abuts the abutting portion 244 to form a gear hinge. (gear hinge) 230.

The button 20 has the protruding portion 247 and the abutting portion 244 openly abutting in the left-right direction, but is easily separated from each other, so that the lifting and supporting unit 23 cannot be pre-assembled and affected. The assembling efficiency of the button 20, the structural strength of the gear hinge 230 is not good, the damage rate is high, and the structure of the bottom plate 21 is complicated and the production cost is high.

Therefore, the object of the present invention is to provide a double-plate type support mechanism and a thinned type key which can be pre-assembled to improve assembly efficiency, increase structural strength, reduce damage rate, simplify bottom plate structure, and reduce production cost.

Therefore, the novel double slab type support mechanism comprises a left wing, a right wing and a hinge group, and the left wing comprises two left rocker arms parallel to each other, respectively disposed on the two left fulcrums of the two left rocker arms, and respectively disposed on The two left sliding shafts of the two left rocker arms are respectively divided into a left sliding section and a left hinged section by each left supporting axle, and the two left sliding axles are respectively disposed on the two left sliding sections. The right wing includes two right rocker arms parallel to each other, respectively disposed on two right pivot shafts of the two right rocker arms, and two right pivot shafts respectively disposed on the two right rocker arms, each of the right rocker arms respectively The right pivot shaft is divided into a right pivot joint segment and a right hinge segment, and the two right pivot shafts are respectively disposed on the two right pivot joint segments, and the hinge set includes the two left hinge segments respectively disposed with the left hinge Two left hinge holes and two left hinge pins parallel to the support shaft, and two right hinge holes and two right hinge pins respectively disposed on the two right hinge segments and parallel to the two right support shafts, the two left hinge holes are located at the second Between the left support shaft and the two left hinge pins, the two right hinge holes are located on the two right support shafts and the two right hinges Between the pins, the two left hinge pins are respectively installed in the two right hinge holes, the two right hinge pins are respectively installed in the two left hinge holes, and each left hinge pin and each right hinge pin respectively have a lift And a pressure drop portion, each left hinge hole and each right hinge hole respectively have a raised portion and a pressed portion.

The thin keyed key comprises a bottom plate, a key cap and a double slab type support mechanism, the double slab type support mechanism is installed between the bottom plate and the key cap, so that the key cap can be opposite to the bottom plate Moving between a raised position and a lowered position, the double-plate type support mechanism includes a left wing, a right wing and a hinge group, wherein the left wing has two left rocker arms parallel to each other, respectively disposed on the two left rocker arms Two left fulcrums rotatably mounted to the bottom plate, and two left sliding shafts respectively disposed on the two left rocker arms and slidably mounted to the keycaps, each left rocker arm being each left fulcrum The boundary is divided into a left sliding section and a left hinge section, wherein the two left sliding shafts are respectively disposed on the two left sliding sections, and the right wing has two right rocker arms parallel to each other, respectively disposed on the two right rocker arms and being Two right pivot shafts rotatably mounted to the bottom plate, and two right pivot shafts respectively disposed on the two right rocker arms and rotatably mounted to the key caps, each right rocker arm being respectively for each right pivot shaft The boundary is divided into a right pivot joint and a right hinge segment, and the two right pivots are respectively disposed at a second right pivoting section, the hinge group having two left hinge holes and two left hinge pins respectively disposed on the two left hinge segments and parallel to the two left pivot shafts, and respectively disposed on the two right hinge segments and the two a right right hinge hole parallel to the right support shaft and two right hinge pins, the two left hinge holes are located between the two left support shafts and the two left hinge pins, and the two right hinge holes are located at the two right support shafts and the two right hinges Between the hinge pins, the two left hinge pins are respectively installed in the two right hinge holes, the two right hinge pins are respectively installed in the two left hinge holes, and each left hinge pin and each right hinge pin respectively have one a lifting portion and a pressure drop portion, each of the left hinge hole and each of the right hinge holes respectively having a raised portion and a pressed portion, wherein the raised portions are respectively formed on the swinging path of the lifting portions, The pressed portions are formed on the swing paths of the pressure drop portions, respectively.

The utility model has the advantages that the left wing and the right wing are not separated after assembly, and the double slab-type support mechanism can be pre-assembled to improve assembly efficiency. The hinge group has good structural strength and can reduce the damage rate, and the bottom plate has a simple structure. Can reduce production costs.

Before the present invention is described in detail, it should be noted that the relative positional terms used in the following descriptions, such as "front", "back", "left", "right", "top", "bottom", are The orientation shown in each figure and the normal use orientation are the benchmarks.

Referring to FIG. 5, an embodiment of the thinned word key comprises a bottom plate 30, a keycap 40, a double slab type support mechanism 5, a circuit board 80, an insulating film 90 and an elastic member 100.

The bottom plate 30 includes two left pivot groups 31 and two right pivot groups 32 respectively formed toward the top side. The two left pivot groups 31 are aligned in a front-rear direction, and each left pivot group 31 includes a left pivot hole. 311, the two right pivot groups 32 are aligned along the front-rear direction, and each right pivot group 32 includes a right pivot hole 321 .

The key cap 40 includes a body 41 and two left guide blocks 42 and two right pivot blocks 43 respectively disposed on the bottom side of the body 41. Each of the left guide blocks 42 has a sliding slot 421 that is open toward the left side.

Referring to FIG. 5, FIG. 6, FIG. 7, the double-plate type support mechanism 5 is installed between the bottom plate 30 and the key cap 40, so that the key cap 40 can be in a raised position relative to the bottom plate 30 (see FIG. 8. Figure 10) and a drop position (see Figures 9 and 12), the double slab support mechanism 5 includes a left wing 50, a right wing 60 and a hinge set 70.

The left wing 50 has two left rocker arms 51 disposed in a left-right direction and parallel to each other, respectively disposed on the two left rocker arms 51 and extending in the front-rear direction and rotatably pivotally mounted on the bottom plate 30 Two left pivot shafts 52 of the hole 311, and two left sliding shafts 53 respectively disposed on the two left rocker arms 51 and slidably mounted on the two sliding slots 421 of the keycap 40, the two left rocker arms 51 respectively The two left pivot shafts 52 are divided into a left sliding section 511 and a left hinge section 512. The two left sliding shafts 53 are respectively disposed on the two left sliding sections 511.

The left wing 50 further has two left recesses 54 respectively disposed on the two left hinge segments 512, and a left joint block 55 located between the two left slide segments 511.

The right wing 60 has two right rocker arms 61 disposed in the left and right direction and parallel to each other, and two right pivot arms respectively disposed on the two right rocker arms 61 and extending in the front and rear direction and rotatably pivotally mounted on the bottom plate 30 Two right pivot shafts 62 of the hole 321 and two right pivot shafts 63 respectively disposed on the two right rocker arms 61 and rotatably mounted to the two right pivot blocks 43 of the keycap 40, the two right rocker arms 61 respectively The two right pivot shafts 611 are divided into a right pivot joint segment 611 and a right hinge segment 612. The two right pivot shafts 63 are respectively disposed on the two right pivot joint segments 611.

The right wing 60 further has two right grooves 64 respectively disposed on the two right hinge segments 612, and a right connecting block 65 between the two right pivot portions 611.

Referring to FIG. 6 , FIG. 11 and FIG. 13 , the hinge set 70 has two left hinge holes 71 and two left sides respectively disposed in the left left hinge portion 512 and located in the left groove 54 and parallel to the two left support shafts 52 . a hinge pin 72, and two right hinge holes 73 and two right hinge pins 74 respectively disposed in the two right hinge segments 612 and located in the two right grooves 64 and parallel to the two right support shafts 62, the two left hinge holes 71 is located between the two left pivot shafts 52 and the two left hinge pins 72. The two right hinge holes 73 are located between the two right pivot shafts 62 and the two right hinge pins 74, and the two left hinge pins 72 are respectively installed. In the two right hinge holes 73, the two right hinge pins 74 are respectively installed in the two left hinge holes 71, and each of the left hinge pins 72 and each right hinge pin 74 has a lifting portion 721, 741 and a pressure respectively. The descending portions 722, 742, each of the left hinge holes 71 and each of the right hinge holes 73 respectively have a raised portion 711, 731 and a pressed portion 712, 732, wherein the raised portions 711, 731 are respectively formed The pressure-receiving portions 712 and 732 are formed on the swing paths of the pressure-reducing portions 742 and 722, respectively, in the swing path of the lift portions 741 and 721.

In this embodiment, the apertures of the left hinge holes 71 are larger than the outer diameters of the right hinge pins 74, and the apertures of the right hinge holes 73 are larger than the outer diameters of the left hinge pins 72, and the left hinge holes 71. The right hinge holes 73 are non-circular holes.

The overall configuration of the left wing 50, the left hinge holes 71, the left hinge pins 72, and the overall configuration of the right wing 60 and the right hinge holes 73 and the right hinge pins 74 are the same. The front and rear mirrors are placed and assembled.

When the double-plate type support mechanism 5 is assembled, the left hinge pins 72 are respectively located in the right hinge holes 73, and each left hinge pin 72 is closed at the hole face of each right hinge hole 73. In the formed space, the right hinge pins 74 are located in the left hinge holes 71, and each right hinge pin 74 is enclosed in a space formed by the annular surface of each left hinge hole 71, thereby When the left wing 50 is assembled with the right wing 60, it does not separate from the top and bottom, and the double slab-type support mechanism 5 can be pre-assembled.

Referring to FIG. 6, FIG. 7, and FIG. 8, the circuit board 80 is mounted on the top side of the bottom plate 30, and has two through holes 81 for the left pivot group 31 and the right pivot group 32 to pass. The circuit board 80 can be It is a thin film circuit board or a printed circuit board.

The insulating film 90 is mounted on the top side of the circuit board 80 and has two through holes 91 for the left pivot groups 31 to pass through the right pivot groups 32.

The elastic member 100 is mounted between the insulating film 90 and the keycap 40, and the keycap 40 has a tendency to move toward the rising position by a resilient force. The elastic member 100 can be a rubber product or a spring. An object with a resilient force.

In use, referring to FIG. 8, FIG. 10 and FIG. 11, when the keycap 40 is in the raised position, the left wing 50 and the right wing 60 are in a state of \/ , and the pressure drop of the left hinge pin 72 is at the same time. 722 abuts the pressed portion 732 of the right hinge hole 73, and the pressure drop portion 742 of the right hinge pin 74 abuts against the pressed portion 712 of the left hinge hole 71, and then refers to FIG. 9 and FIG. 13 , when the key cap 40 is pressed into the lowered position, the left rocker arms 51 will swing counterclockwise with the left pivot shaft 52 as a fulcrum, and the right rocker arms 61 will have the right pivot shafts. 62 generates a clockwise swing for the fulcrum, and the raised portion 721 of the left hinge pin 72 abuts the raised portion 731 of the right hinge hole 73 and can push up the right hinge segment 612, the right hinge pin The lifting portion 741 of the 74 abuts the raised portion 711 of the left hinge hole 71 and can lift the lifting of the left hinge portion 512, and the left sliding shaft 53 can be left in the sliding groove 421 by the left sliding shaft 421 Sliding, the swinging motion of the left wing 50 and the right wing 60 is relatively smooth. When the keycap 40 is in the lowered position, the elastic member 100 is compressed and deformed and contacts. The circuit board 80 transmits electrical signals.

Referring to FIG. 8 , FIG. 10 and FIG. 11 , when the pressing external force disappears, the key cap 40 can be moved toward the rising position by the return elastic force of the elastic member 100 while pulling the two sliding segments 511 of the left wing 50 to make the left The rocker arm 51 swings clockwise with the left pivot shaft 52 as a fulcrum, and pulls the two pivot joints 611 of the right wing 60 to cause the right rocker arm 61 to swing counterclockwise with the right pivot shaft 62 as a fulcrum. At the same time, the pressure drop portion 722 of the left hinge pin 72 abuts against the depressed portion 732 of the right hinge hole 73, and can push the pressure drop of the right hinge segment 612, the pressure drop portion of the right hinge pin 74 The 742 abuts the depressed portion 712 of the left hinge hole 71 and can push the pressure drop of the left hinge segment 512 to smoothly move the key cap 40 to the raised position.

In summary, the novel double-plate type support mechanism and the thinned type key have the following advantages and advantages, so that the purpose of the present invention can be achieved:

1. The present invention is closed by the left hinge pin 72 and the right hinge pin 74, so that the left wing 50 and the right wing 60 can be assembled without being separated from the top and bottom, so that the double slab type support can be pre-assembled. Mechanism 5 to improve assembly efficiency.

2. The present invention abuts the pressure-receiving portions 732, 712 by the pressure-reducing portions 722, 742, respectively, and pushes the right hinge portion 612 and the left hinge portion 512, and the lift portion 711. And 731 respectively abut the lifted portions 741, 721 and can lift and raise the right hinge portion 612 and the left hinge portion 512, so that the hinge group 70 of the double jaw type support mechanism 5 has good structural strength, and Reduce the damage rate.

3. Compared with the bottom plate 21 of the conventional keyboard 20, the bottom plate 30 of the present invention has a simple overall structure and can reduce the production cost.

4. The overall configuration of the left wing 50 and the left hinge holes 71, the left hinge pins 72, and the overall configuration of the right wing 60 and the right hinge holes 73, the right hinge pins 74 are exactly the same, except that Pre- and post-mirror placement and assembly can reduce mold development costs and use the same specifications to reduce production costs.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

30‧‧‧floor
31‧‧‧Left hub group
311‧‧‧left pivot hole
32‧‧‧right pivot group
321‧‧‧right pivot hole
40‧‧‧Key Cap
41‧‧‧Ontology
42‧‧‧Left Guide
421‧‧‧Chute
43‧‧‧right pivot block
5‧‧‧Double-plate type support mechanism
50‧‧‧ left wing
51‧‧‧ Left rocker
511‧‧‧left sliding section
512‧‧‧left articulation
52‧‧‧left axis
53‧‧‧Left slide shaft
54‧‧‧Left groove
55‧‧‧Left link block
60‧‧‧ right wing
61‧‧‧Right rocker
611‧‧‧right pivotal section
612‧‧‧Right articulated section
62‧‧‧Right shaft
63‧‧‧right pivot
64‧‧‧Right groove
65‧‧‧Right link block
70‧‧‧Hinges group
71‧‧‧ Left hinge hole
711‧‧‧Uplifted
712‧‧‧The pressure drop
72‧‧‧ Left hinge pin
721‧‧‧lifting department
722‧‧‧pressure drop
73‧‧‧Right hinge hole
731‧‧‧Uplifted
732‧‧‧The pressure drop
74‧‧‧Right hinge pin
741‧‧‧Uplift
742‧‧‧pressure drop
80‧‧‧ boards
81‧‧‧Perforation
90‧‧‧Insulation film
91‧‧‧Perforation
100‧‧‧Flexible parts

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is an exploded perspective view of a conventional button; FIG. 2 is a combined sectional view of the conventional button; 4 is an exploded perspective view of a conventional button; FIG. 4 is a partially exploded perspective view of the other conventional button, showing a lifting support unit; FIG. 5 is an exploded perspective view showing an embodiment of the novel thinned key including a bottom plate, a keycap, a pair of seesaw type support mechanisms, a circuit board, an insulating film and an elastic member; FIG. 6 is a partially exploded perspective view of the embodiment of the present invention, showing that the double jaw type support mechanism includes a left wing, FIG. 7 is a partially assembled perspective view of the embodiment of the present invention, showing a combined state of the double slab-type support mechanism and the bottom plate; FIG. 8 is a schematic view of an incomplete section of the new embodiment of the present invention , the keycap is shown in a raised position; FIG. 9 is a view similar to FIG. 8 showing the keycap in a lowered position; FIG. 10 is the embodiment of the present invention. An incomplete cross-sectional view showing the state of a hinge group of the double slab-type support mechanism when the keycap is in the raised position; FIG. 11 is a partial enlarged view taken from FIG. 10; FIG. The view of 10 shows the state of the hinge group of the double slab type support mechanism when the keycap is in the lowered position; and Fig. 13 is a partially enlarged view taken from Fig. 12.

30‧‧‧floor

40‧‧‧Key Cap

42‧‧‧Left Guide

421‧‧‧Chute

43‧‧‧right pivot block

5‧‧‧Double-plate type support mechanism

50‧‧‧ left wing

51‧‧‧ Left rocker

512‧‧‧left articulation

61‧‧‧Right rocker

612‧‧‧Right articulated section

62‧‧‧Right shaft

70‧‧‧Hinges group

71‧‧‧ Left hinge hole

72‧‧‧ Left hinge pin

73‧‧‧Right hinge hole

74‧‧‧Right hinge pin

80‧‧‧ boards

52‧‧‧left axis

60‧‧‧ right wing

90‧‧‧Insulation film

Claims (9)

The utility model relates to a double slab-type support mechanism, comprising: a left wing comprising two left-hand rocker arms parallel to each other, two left-hand pivot shafts respectively disposed on the two left rocker arms, and two left-hand slide shafts respectively disposed on the two left rocker arms Each left rocker arm is divided into a left sliding section and a left hinged section by each left supporting axis, and the two left sliding shafts are respectively disposed on the two left sliding sections; one right wing includes two right parallel to each other The rocker arms are respectively disposed on the two right pivot shafts of the two right rocker arms, and the two right pivot shafts respectively disposed on the two right rocker arms, and each right rocker arm is respectively divided into a right by each right pivot axis. a pivoting section and a right hinged section, wherein the two right pivoting shafts are respectively disposed on the two right pivoting sections; and a hinge group including two left hinges respectively disposed on the two left hinged sections and parallel to the two left supporting axles a hole and two left hinge pins, and two right hinge holes and two right hinge pins respectively disposed on the two right hinge segments and parallel to the two right support shafts, each left hinge hole being located at each left support shaft and each Between the left hinge pins, each right hinge hole is located between each right pivot shaft and each right hinge pin, respectively The left hinge pins are respectively installed in the two right hinge holes, the two right hinge pins are respectively installed in the two left hinge holes, and each left hinge pin and each right hinge pin respectively have a lifting portion and a pressure drop portion Each left hinge hole and each right hinge hole respectively have a raised portion and a pressed portion. The double slab-type support mechanism according to claim 1, wherein the left wing and the left hinge hole, the left hinge pin integral structure, and the right wing and the right hinge hole, the right hinge pin The overall structure is the same. The double slab-type support mechanism according to claim 2, wherein the left wing further has two left grooves respectively disposed on the two left hinge segments, and the right wing further has two right concaves respectively disposed on the two right hinge segments The two left grooves are for receiving the two right hinge segments, and the two right grooves are for receiving the two left hinge segments. The double slab-type support mechanism according to claim 1, wherein the diameter of the left hinge hole is larger than the outer diameter of the right hinge pin, and the diameter of the right hinge hole is larger than the outer diameter of the left hinge pin, And the left hinge holes and the right hinge holes are non-circular holes. A thinned word key comprising: a bottom plate; a key cap; and a pair of seesaw type support mechanisms mounted between the bottom plate and the key cap such that the key cap is movable relative to the bottom plate in a raised position Moving between the lowered positions, the double slab-type support mechanism includes a left wing, a right wing and a hinge group; the left wing has two left rocker arms parallel to each other, respectively disposed on the two left rocker arms and rotatably mounted on Two left fulcrums of the bottom plate, and two left sliding shafts respectively disposed on the two left rocker arms and slidably mounted on the keycaps, each left rocker arm being respectively divided into one by each left fulcrum axis a left sliding section and a left hinged section, wherein the two left sliding shafts are respectively disposed on the two left sliding sections; the right wing has two right rocker arms parallel to each other, respectively disposed on the two right rocker arms and rotatably mounted on the Two right of the bottom plate a shaft, and two right pivot shafts respectively disposed on the two right rocker arms and rotatably mounted to the keycap, each right rocker arm being respectively divided into a right pivot joint segment and a right pivot joint a right hinge section, the two right pivots are respectively disposed on the two right pivot joints; the hinge set has two left hinge holes and two left hinge pins respectively disposed on the two left hinge sections and parallel to the two left support shafts. And two right hinge holes and two right hinge pins respectively disposed on the two right hinge segments and parallel to the two right support shafts, each left hinge hole being located between each left support shaft and each left hinge pin, respectively a right hinge hole is respectively located between each right pivot shaft and each right hinge pin, and the two left hinge pins are respectively installed in the two right hinge holes, and the two right hinge pins are respectively installed in the two left hinge holes. Each of the left hinge pin and each of the right hinge pins respectively has a raised portion and a pressure drop portion, and each left hinge hole and each right hinge hole respectively have a raised portion and a pressed portion, and the The lifting portions are respectively formed in the swinging path of the lifting portions , These portions are formed in the pressure drop on the pressure drop of the swing path of those portions. The thinned word key of claim 5, wherein the left wing and the left hinge hole, the left hinge pin integral structure, and the right wing and the right hinge hole, the right hinge pin integral structure the same. The thinned word key according to claim 6, wherein the left wing further has two left grooves respectively disposed on the two left hinge segments, and the right wing further has two right grooves respectively disposed on the two right hinge segments. The two left grooves are for receiving the two right hinge segments, and the two right grooves are for receiving the two left hinge segments. The thinned word key according to claim 5, wherein the apertures of the left hinge holes are larger than the outer diameters of the right hinge pins, and the diameters of the right hinge holes are larger than the outer diameters of the left hinge pins, and Wait for the left hinge hole, and the right hinge hole is a non-circular hole. The thinned word key according to claim 5, further comprising: a circuit board mounted on a top side of the bottom plate; an insulating film mounted on a top side of the circuit board; and an elastic member mounted on the insulating film and the Between the keycaps, the keycap has a tendency to move toward the raised position.