CN205978049U - Concealed hinge - Google Patents

Abstract

A concealed hinge comprising: a fixed seat, a torsion unit and a movable support; the fixed seat is provided with an opening part, an accommodating space is formed at the seat body at one side of the fixed seat, and a step is formed at the seat body at the other side of the opening part; one end of the torsion unit is inserted and positioned in at least one accommodating part of the step, and the other end of the torsion unit is provided with a shaft hole and a communicated radial opening; the movable support part is divided into a shaft center part, an arc-shaped arm part and a connecting part, and an extending shaft section is arranged in one axial direction of the shaft center part to form pivot joint with a shaft hole of the torsion unit, so that the torsion unit can generate torsion through rotating friction; the movable supporting piece and the fixed seat which are overlapped with each other are enabled to form relative rotation, so that the arc-shaped arm part and the connecting part are enabled to respectively turn over the access opening part and the accommodating space; and the movable supporting piece or the fixed seat which rotates relatively is made to stop freely.

Description

Concealed hinge

Technical field

This utility model is related to a kind of hinge, and espespecially a kind of center of rotation is located at the holocentric pivot hinge of heart axle axial line, its As hinge to connect two objects of an electronic installation respectively, and after an object starts with respect to another object, just can appear This holocentric pivot hinge, on the contrary in two object closures, then it is hidden in the concealed hinge do not expose in this electronic installation.

Background technology

Traditional folding-type electronic device is (for example：Notebook computer) display and base, mainly cut with scissors by holocentric axle Chain is connected display side respectively and is pivoted with being formed with chassis side, so as to enabling display to start with respect to base turning or closing Close.In general, aforementioned display side and chassis side can be reserved with the accommodation space inserted for holocentric pivot hinge or region, Its after assembling, aforementioned holocentric pivot hinge can appear the even lofty surface in folding-type electronic device.

For improving disadvantages mentioned above, inventor has applied for TaiWan, China utility model patent Granted publication No. TWM513913U《Concealed hinge >=, to be installed in folding-type electronic device, do not expose when it closes.And visit Technology today progress is grant, and in addition to the tapered thickness making folding-type electronic device, also develops a kind of one at present The electronic installation of type, for example：Tablet PC, AIO computer, its display is to be erected by support foot rest, similarly Support foot rest upset can be beneficial to and starts or close using concealed holocentric pivot hinge.

No matter but be collapsible or one-piece type electronic installation, its overall volume gradually tends to light, thin demand, in group Load onto, will certainly be limited to limited accommodation space, and the concealed hinge that adopted nor overweight in addition it is also necessary to electricity can be coordinated The line arrangements such as line and signal and reduce mutual obstruction, and aforementioned a variety of requirement all causes restriction, and also becoming needs to overcome Problem points.Therefore, how to reduce and simplify composition component used and structure, remain to structural strength and adjust torsion Effect, be arranged in limited assembling space moreover it is possible to for circuit by and be difficult impact running, as this utility model is intended to solve Problem certainly.

Utility model content

In view of this, in order to provide a kind of structure being different from prior art, and improve the shortcoming of said structure, inventor Long-pending experience for many years and continuous research and development improve, and then have generation of the present utility model.

A purpose of the present utility model is to provide a kind of concealed hinge, except coordinating limited assembling space and need Outside asking effectively to adjust torque value, balanced support, to share load-carrying and reduce height error, also simplify the composition structure of fixed seat Part, improves the spatial design of base structure, and then can be formed overlapping with active supporting piece, contributes to making overall volume panelized, In order to manufacturing and loading and unloading.

An other purpose of the present utility model is to provide a kind of concealed hinge with wiring function, by activity Support member setting opening and pilot channel, to collect the circuits such as holding wire and power line, and guide the circuit such as this to pass through, and are difficult Affect this active supporting piece in the pivotal action of fixed seat, be beneficial to use.

For reaching the purpose of above-mentioned utility model, realize the technical solution of the utility model, this utility model has two realities Apply example, first embodiment is a kind of concealed hinge, and it includes：One fixed seat, a torsion unit and an active supporting piece.Its In, fixed seat is provided with peristome, forms accommodation space at the side pedestal of peristome, forms platform at the opposite side pedestal of peristome Rank, step is provided with least one holding part；The one end grafting of this torsion unit and be positioned among at least one holding part, torsion list The other end of unit is provided with axis hole and the radial opening communicating with axis hole；The both ends of this active supporting piece are respectively axle center part and company Socket part, forms arc-curved shape arm between both ends, the one of axle center part axially has extension shaft part, with the axle of grafting torsion unit Hole, makes pivoting friction to produce torsion；Relatively rotate so as to making the active supporting piece overlapping each other be formed with fixed seat, make curved Shape arm and its connected connecting portion tilt out respectively into peristome and accommodation space；And make the active supporting piece that relatively rotates or Fixed seat is freely stagnated.

In order to reach above-mentioned purpose, realizing second embodiment of the present utility model is also a kind of concealed hinge, and it includes One fixed seat, a torsion unit and an active supporting piece.This fixed seat is provided with peristome, is formed at the side pedestal of peristome Accommodation space, forms step at the another opposite sides pedestal of peristome, each step is respectively equipped with least one holding part respectively；This torsion The one end grafting of power unit and being positioned among at least one holding part of wherein one step, the other end of torsion unit is provided with Axis hole and the radial opening communicating with axis hole；And the both ends of this active supporting piece respectively be axle center part and connecting portion, both ends it Between form arc-curved shape arm, the one of axle center part axially has extension shaft part, with the axis hole of grafting torsion unit, thus pivoting friction To produce torsion；Relatively rotate so as to making the active supporting piece overlapping each other be formed with fixed seat, make arc-curved shape arm and its phase Connecting portion even tilts out respectively into peristome and accommodation space；And so that the active supporting piece relatively rotating or fixed seat is freely stopped Stagnant.

Wherein, the one end of this torsion unit is provided with an auxiliary axis hole, wears at the pedestal being plugged with this torsion unit And fixed an axle bolt, this axle bolt pass through this auxiliary axis hole, so as to by the one end of this torsion unit be fixed on corresponding this extremely In a few holding part.

Wherein, this fixed seat has stair-stepping seat top, and this top is gradually degraded to this accommodation space by this step and is located Pedestal at, so that the connecting portion of this active supporting piece is overturn and enter this accommodation space and lain low with being formed, and then be stacked and placed on this At pedestal.

Wherein, this fixed seat is additionally provided with stop configurations, and this stop configurations is to be extended towards this peristome by this step Elongated nose bar, make by this arc-curved shape arm touch this stop configurations and form backstop action；In addition, in this arc-curved shape arm It is equipped with a location structure, to position this stop configurations at the backstop on portion opposite sides side.

This fixed seat is additionally provided with stop configurations, this stop configurations be by this step towards this peristome extend convex Block, make by this arc-curved shape arm touch this stop configurations and form backstop action；In addition, in this arc-curved shape arm relative to two It is equipped with a location structure, to position this stop configurations at the backstop of side.

Wherein, it is additionally provided with least one structure grooves at the pedestal of this peristome side and/or opposite side, this fixed seat The week side of boss extends outwardly out at least one flank, is provided with one fixing at this at least one structure grooves wherein and/or this at least one flank Structure, so as to forming the fixed position of 2 to three points in this fixed seat, to be stably fixed on a body.

Wherein, this structure grooves is multiple, is respectively provided with a rib wall of reinforced structure between each structure grooves.

Wherein, this arc-curved shape arm includes a segmental arc and one radially connected section, and this segmental arc around this axle center part and leads to Cross this radially connected section to form link, this radially connected section is provided with an opening, passes through for a circuit.

Wherein, the opposite sides side of this arc-curved shape arm is respectively equipped with a barricade, is formed for the cambered surface along this segmental arc One pilot channel, a channel mouth of this pilot channel is this radially connected section this opening, another channel mouth of this pilot channel It is formed at the adjoiner of this segmental arc and this connecting portion, adhere to and be directed through for collecting this circuit.

Wherein, this two barricades of this arc-curved shape arm are respectively equipped with one first Access Division near one end of this connecting portion, And being respectively arranged at two ends with of one first locating part can correspond to the second Access Division linking this first Access Division, for connecting this first limit Position part is on this connecting portion.

Wherein, this two barricades of this arc-curved shape arm bridge one second locating part near one end of this linkage section.

Wherein, this fixed seat includes a body and the support arm being extended by this body, and this holding part is located at and is somebody's turn to do On support arm, the bottom of this holding part is a flat board, and this flat board be respectively provided on two sides with a upper and lower through hole running through.

Wherein, this axle center part also has another extension shaft part, this pedestal step of this peristome opposite side to axial Place is provided with a pivoted hole and the radial guide opening communicating with this pivoted hole, so as to for another extension shaft part pivot joint and rotating Friction, makes this torsion unit and this step shares load-carrying and balanced support, thus stablize this active supporting piece and this fixed seat it Between relatively rotate.

Wherein, above-mentioned concealed hinge also includes another torsion unit assisting, the one end of this another torsion unit Grafting is simultaneously positioned among this at least one holding part of this wherein another step, and the other end of this another torsion unit is provided with one Axis hole and the radial opening communicating with this axis hole；And in this axle center part, also there is another extension shaft part to axial, for inserting Connect this axis hole of this another torsion unit, thus pivoting friction, to produce torsion, makes this torsion unit and this another torsion unit Share load-carrying and balanced support.

Wherein, the one end of this another torsion unit is provided with an auxiliary axis hole, in the seat being plugged with this another torsion unit Wear and fixed an axle bolt at body, this axle bolt passes through this auxiliary axis hole, corresponding so as to being fixed on this another torsion unit In this at least one holding part.

Brief description

Fig. 1：This utility model concealed hinge first embodiment cut open cross-section side view；

Fig. 2：In Fig. 1, action schematic diagram after fixed seat upset goes out for the active supporting piece；

Fig. 3：The perspective exploded view of first embodiment of the present utility model；

Fig. 4：The sectional perspective schematic appearance in different angle for the first embodiment of the present utility model；

Fig. 5：The stop configurations of first embodiment of the present utility model are perspective exploded view during arc bump；

Fig. 6：The schematic perspective view of this utility model concealed hinge second embodiment；

Fig. 7：In Fig. 6, set up the schematic diagram that another torsion unit is implemented with another extension shaft part of axle center part of arranging in pairs or groups；

Fig. 8：In Fig. 7, action schematic diagram after fixed seat upset goes out for the active supporting piece；

Fig. 9：In Fig. 6, wherein one step is provided with the schematic diagram that multiple holding parts are implemented；

Figure 10：In Fig. 9, action schematic diagram after fixed seat upset goes out for the active supporting piece；

Figure 11：In Fig. 9, the holding part of each step is collocated with the schematic diagram that different torsion unit is implemented respectively；

Figure 12：In Figure 11, the schematic perspective view of the lamellar body structure that torsion unit is adopted；

Figure 13：In Figure 11, torsion unit using the block structure with axial width schematic perspective view.

Description of reference numerals

10 fixed seat 11 peristome

12 support arm 12a, 12b step

122 pivoted hole 123 guide openings

13 body 131,121 structure grooves

132,124 rib wall 14a, 14b holding part

141 axle bolt 142 flat board

143 through hole 15 accommodation space

16 flank 161,133 fixed structure

17 stop configurations 20a, 20b torsion unit

21,22 end 211 assists axis hole

221 axis hole 222 radial opening

30 active supporting piece 31 axle center part

311,312 extension shaft part 32 arc-curved shape arms

321 segmental arc 322 linkage section

323 guiding channel 324 opening

325 barricade 326 location structure

327 first Access Division 328 second Access Division

33 connecting portion 34 first locating part

35 second locating part C circuits.

Specific embodiment

This utility model is a kind of concealed hinge, and such as Fig. 1 ~ 3 show first embodiment, and it includes：Fixed seat 10, torsion Power unit 20a and active supporting piece 30.This fixed seat 10 is provided with peristome 11, is formed accommodating at the side pedestal of peristome 11 Space 15, forms step 12a at the opposite side pedestal of peristome 11, step 12a is provided with least one holding part 14a；This torsion list One end 21 grafting of first 20a and be positioned among at least one holding part 14a, the other end 22 of torsion unit 20a is provided with axle Hole 221 and the radial opening 222 communicating with axis hole 221；The both ends of this active supporting piece 30 are respectively axle center part 31 and connect Portion 33, forms arc-curved shape arm 32 between both ends, the one of axle center part 31 axially has extension shaft part 311, with grafting torsion list The axis hole 221 of first 20a, thus pivoting friction is to produce torsion；So as to making the active supporting piece 30 and the fixed seat 10 that overlap each other Formation relatively rotates, and makes arc-curved shape arm 32 and its connected connecting portion 33 overturn discrepancy peristome 11 and accommodation space respectively 15；And so that the active supporting piece 30 relatively rotating or fixed seat 10 is freely stagnated.

In the first embodiment, for the ease of manufacturing and loading and unloading, fixed seat 10 is formed in one and has peristome 11 Base structure, it includes a body 13 and the support arm 12 being extended by body 13.In figure 3, body 13 and support arm 12 are located at peristome 11 side and the pedestal of opposite side respectively, and step 12a is on support arm 12, torsion unit 20a One end 21 insert in the holding part 14a of step 12a, make form from one another corresponding and can fix；In addition, as shown in figure 4, supporting The holding part 14a bottom of arm 12 be a flat board 142, flat board 142 be respectively provided on two sides with about one through hole running through 143, borrow Press on downwards above flat board 142 with the one end 21 in torsion unit 20a and fail accurate card busy hour fixed, can be logical by two Hole 143 insertion instrument takes out adjusting the position of torsion unit 20a, or by torsion unit 20a to reappose.

In order to enable torsion unit 20a be securely fastened in the holding part 14a of support arm 12 further, to prevent pine De-, the one end 21 of torsion unit 20a is provided with an auxiliary axis hole 211, and an axle bolt 141 passes through support arm 12 and auxiliary axis hole 211, so as to the one end 21 of torsion unit 20a is fixed in corresponding holding part 14a.

Secondly, whole concealed hinge, in closure state, in order to avoid lofty, fixed seat 10 is designed with ladder The seat top of shape, that is, body 13 pedestal that accommodation space 15 is located gradually is degraded to by step 12a, so as to making active supporting piece 30 connecting portion 33 upset enters to form the attitude that lies low in accommodation space 15, and then is stacked and placed at body 13 pedestal.This When, arc-curved shape arm 32 has also overturn in entrance peristome 11, sees it by Fig. 1 side-looking, active supporting piece 30 proceeds to fixed seat 10 Afterwards, that is, form overlapping state, reduce overall volume and there is the effect of panelized.

In order that active supporting piece 30 can overturn to default angle position with respect to fixed seat 10, fixed seat 10 also sets There are stop configurations 17, this stop configurations 17 is the elongated nose bar being extended towards peristome 11 by step 12a, so as to making to pass through Arc-curved shape arm 32 touch stop configurations 17 and form backstop action.During enforcement, this stop configurations 17 also can as shown in figure 5, It is the arc bump being extended towards peristome 11 by step 12a.And backstop for convenience, the side wall arc of approach of each support arm 12 The side wall of curved arm 32.In backstop, slide to prevent to produce between arc-curved shape arm 32 and stop configurations 17, arc-curved shape Be equipped with a chase at the backstop on arm 32 opposite sides side, this chase as location structure 326, to position stop configurations 17, Active supporting piece 30 is made to stop at default angle position.During enforcement, this location structure 326 is alternatively a projection.

As shown in Fig. 6 to Figure 11, it is the second embodiment of concealed hinge of the present utility model, it is different from above-mentioned first The difference characteristic of embodiment is：Form step 12a, 12b respectively at the another opposite sides pedestal of peristome 11, each step 12a, 12b is respectively equipped with holding part 14a, 14b；One end 21 grafting of this torsion unit 20a and be positioned wherein one step 12a, 12b At least one holding part 14a, in 14b (refering to Fig. 6 and Fig. 9)；So contribute to increasing using upper convenience and convenient tune Whole torque value.

In a second embodiment, for the ease of alignment reducing height error, and contribute to balanced support axle center part 31 And be beneficial to share the stress influence bearing load-carrying, thus stablizing the rotary movement of active supporting piece 30, then there are two enforcement samples State, its common trait is that the one of axle center part 31 axially has extension shaft part 311, with the axis hole 221 of grafting torsion unit 20a Formation is pivoted, and as forming the first enforcement pattern of difference as shown in Fig. 6 and Fig. 9, wherein, as a example Fig. 6, it is in axle center part 31 be also further provided with another extension shaft part 312 to axial, and be provided with the pedestal step 12b of peristome 11 opposite side Pivoted hole 122 and the radial guide opening 123 communicating with pivoted hole 122, so that another extension shaft part 312 passes through radial guide Opening 123 imports pivoted hole 122, forms pivot joint and pivoting friction, makes torsion unit 20a and step 12b share load-carrying and balance Support, thus stablizing relatively rotating between active supporting piece 30 and fixed seat 10.

Second enforcement pattern refers to shown in Fig. 7 and Figure 11, wherein so that, as a example Fig. 7, this utility model still further comprises Another torsion unit 20b of auxiliary, one end 21 grafting and be positioned the holding part 14b of wherein another step 12b, separately The other end 22 of one torsion unit 20b is provided with axis hole 221 and the radial opening 222 communicating with axis hole 221；And axle center part 21 Also it is further provided with another extension shaft part 312 to axial, with the axis hole 221 of grafting another torsion unit 20b, thus rotate rubbing Wipe to produce torsion, make to contribute to each support arm 12 by torsion unit 20a and another torsion unit 20b, accept axle center respectively Each extension shaft part 311,312 in portion 31, so as to sharing load-carrying and balanced support, similarly stably relatively rotates.Although it is and fixing Seat 10 is equally formed in one and has the base structure of peristome 11, but two kinds of enforcement patterns by second embodiment, that is, Each step 12a can be made, together with respective at least one holding part 14a, 14b can be as shown in fig. 6, be located at fixed seat 10 respectively for 12b A pair of support arms 12 on；Also can as shown in figure 9, being respectively arranged on body 13 and a support arm 12 of fixed seat 10, so as to For torsion unit 20a and/or another torsion unit 20b optionally grafting positioning, with increase the assembling space that can coordinate and The scope of application.

From the above, in order to cost-effective, another torsion unit 20b and torsion unit 20a is made to have identical structure and shape Become modularity, therefore, the one end 21 of another torsion unit 20b is again provided with assisting axis hole 211, and is being plugged with another torsion Wear and fixed another axle bolt 141 at the pedestal of unit 20b, another axle bolt 141 passes through the asessory shaft of another torsion unit 20b Hole 211.Whereby, you can the one end 21 of another torsion unit 20b is fixed in corresponding holding part 14b, makes the torsion of Fig. 9 Unit 20a also can be substituted for another torsion unit 20b.

In a second embodiment, fixed seat 10 equally has stair-stepping seat top and is provided with stop configurations 17, its cooperation The difference characteristic of second embodiment and implement, as shown in Figure 6 to 8, the seat top of fixed seat 10 is by each step of each support arm 12 12a, 12b be gradually degraded to accommodation space 15 place body 13 pedestal at, make the connecting portion 33 of active supporting piece 30 overturn into Enter accommodation space 15 to form lying status, and be stacked and placed at this body 13 pedestal.Stop configurations 17 are to connect relatively two Two step 12a of individual support arm 12,12b the elongate bars positioned at peristome 11, make the arc-curved shape arm 32 passing through only touch Keep off structure 17 and form backstop action.As shown in fig. 6, further respectively having positioning at the backstop on arc-curved shape arm 32 opposite sides side Structure 326, to position stop configurations 17.In addition, fixed seat 10 structure as shown in Figure 9 and Figure 10, its body 13 extends one Support arm 12, support arm 12 bends extension again, makes a section for support arm 12 at the side pedestal of peristome 11, and peristome 11 Another opposite sides pedestal at be respectively another section of support arm 12 and body 13, so that each step 12a being formed, 12b is gradually dropped At the pedestal that level is located to accommodation space 15.Consequently, it is possible in closure, you can so that the connecting portion 33 of active supporting piece 30 is able to It is stacked and placed on one section of support arm 12；It is to be connected to each step of another section of support arm 12 and body 13 etc. as stop configurations 17 Between 12a, 12b, and the elongate bars positioned at peristome 11, so as to when starting, making the arc-curved shape arm 32 of active supporting piece 30 By backstop in default angle position.

In a second embodiment, torsion unit 20a and/or another torsion unit 20b can also slightly difference deposit in structure , such as implemented using lamellar body shown in Figure 12, be formed by stacking with multiple lamellar bodies, also can be as shown in figure 13, it is one or more The block with axial width is implemented, and so can increase or decrease torque value by adjusting quantity, and respectively turn round for convenience The setting of power unit and adjustment torque value, make described at least one holding part 14a, 14b can also implement for multiple holding parts, for example, scheme Shown in wherein one support arm 12 in 11, the step 12b that it is formed is provided with two holding part 14b, single or many except supplying Outside the torsion unit 20b that individual block is formed plants, also can be as shown in Figure 10, the torsion unit being formed by stacking for most lamellar bodies 20a plants.In addition, in order to increase balanced support and share the effect born, this utility model can also be as shown in figure 9, at each Rank 12a, 12b are provided with pivoted hole 122 and the radial guide opening 123 communicating with pivoted hole 122, make each extension shaft part 311, 312 are imported in each pivoted hole 122 by each radial guide opening 123 respectively, to form pivot joint and energy pivoting friction.

In addition although the structure that is formed in one of the fixed seat 10 of above-mentioned two embodiment, but in order to reduce fixed seat 10 Use material and reduces cost, except the step 12a at peristome 11 opposite side pedestal is provided with least one holding part 14a, Or the step 12a at another opposite sides pedestal, 12b is respectively provided with outside at least one holding part 14b, also in peristome 11 It is provided with least one structure grooves 131,121, when at least one structure grooves 131,121 is multiple samples at side and/or another side pedestal The rib wall 132,124 of reinforced structure during state, can be formed among each other.What is more, in pedestal structural strength weak point, make each Rib wall 132,124 be combined with each other, so as to enhancing structure intensity, consequently, it is possible to except materials and cost can be reduced it is also possible to mitigate Weight, and possess structural strength to bear acquiescence stress；On the other hand, in order that fixed seat 10 can be stably fixed to a machine On body, for example：The button base of notebook computer, tablet PC or AIO computer body, in the week side of boss court of fixed seat 10 Extend out to outward a few flank 16, and at least one structure grooves 131 wherein and/or at least one flank 16 are provided with fixed structure 133,161, so that the fixed position of 2 to three points to be formed on fixed seat 10, thus being stably fixed on body.So when work The connecting portion 33 of dynamic support member 30 is fixed on another object or another body, for example：The display of notebook computer, flat board calculate On the support foot rest of machine or AIO computer, and during rotating with it, the situation that fixed seat 10 shakes can be reduced And be affected.And aforementioned fixed structure 133,161 is prior art, for example：With hole collocation screw or rivet, do not say again in this Bright.

And, it is radially connected that the arc-curved shape arm 32 of above-mentioned two embodiment still further comprises a segmental arc 321 and Section 322, referring again to shown in Fig. 1 ~ 3, segmental arc 321 forms link around axle center part 31 and by radially connected section 322.And Arrangement in order to coordinate the circuit C such as signal or electric wire is arranged, and reduces circuit to the obstruction of rotational action and mill to each other Damage impact, radially connected section 322 is provided with opening 324, so that circuit C passes through；The opposite sides side of arc-curved shape arm 32 sets respectively There is barricade 325, guiding channel 323 is formed with the cambered surface along segmental arc 321, wherein, two barricades 325 are near connecting portion 33 One end is respectively equipped with a fixture block, and this fixture block is as the first Access Division 327；Two barricades 325 bridge near one end of linkage section 322 One strip plate, this plate is as the second locating part 35.And an elongated plate be respectively arranged at two ends with can correspond to engaging each The opening of fixture block, for connecting this elongated plate on connecting portion 33, as the second Access Division 328, this elongated plate is cooked this opening For the first locating part 34.In addition, a channel mouth of pilot channel 323 is radially connected section 322 of opening 324, pilot channel 323 Another channel mouth be formed at the adjoiner of segmental arc 321 and connecting portion 33, whereby, you can after circuit C is collected, led to by one Road junction penetrates and is stretched out by another passway, and passes through the first locating part 34 and the backstop of the second locating part 35, then can make this etc. Circuit C smoothly passes over guiding channel 323.

Therefore, this utility model has the following advantages that：

1st, for the technical scheme of concealed hinge of the present utility model is compared to existing concealed hinge, in fixed seat Aspect, can enable fixed seat and activity by structure designs such as peristome, accommodation space and step collocation at least one holding parts Support member forms overlapping state, and the assembling without hampering torsion unit is arranged and dismounting is replaced；Also there is the effect of panelized Really contribute to reducing overall volume；Fixed seat is designed to integrally formed structure, except reducing composition component moreover it is possible to protect Have under the premise of structural strength, reduce materials further, thus contributing to mitigating weight, being easy to assemble.

2nd, this utility model is in terms of active supporting piece, by arc-curved shape arm is divided into segmental arc and radially connected section Structure design, makes an opening be formed at radially connected section, and produces the work of limit stops with the first locating part and the second locating part With therefore, circuit can effectively and smoothly pass through, and will not hinder the rotary movement of active supporting piece, and contributes to increasing composition The benefit of component.

Though this utility model provides preferably specific embodiment for achieving the above object, it simultaneously is not used to limit Structural features of the present utility model, those skilled in the art it should be understood that under technical spirit of the present utility model, any think easily and Change or to modify be all possible, and all covered by claims of the present utility model.

Claims (16)

1. a kind of concealed hinge is it is characterised in that include：

One fixed seat, it is provided with a peristome, at the side pedestal of this peristome formed an accommodation space, this peristome another Form a step, this step is provided with least one holding part at the pedestal of side；

One torsion unit, the grafting of one end is simultaneously positioned among this at least one holding part, and the other end of this torsion unit sets There are an axis hole and the radial opening communicating with this axis hole；And

One active supporting piece, its both ends is respectively an axle center part and a connecting portion, forms an arc-curved shape arm between this both ends Portion, the one of this axle center part axially has an extension shaft part, with the axis hole of this torsion unit of grafting, for pivoting friction to produce torsion Power；Relatively rotate so as to making this active supporting piece overlapping each other be formed with this fixed seat, make this arc-curved shape arm and its be connected This connecting portion tilt out respectively into this peristome and this accommodation space；And make this active supporting piece relatively rotating or this fix Seat is freely stagnated.

2. a kind of concealed hinge is it is characterised in that include：

One fixed seat, it is provided with a peristome, forms an accommodation space, the another phase of this peristome at the side pedestal of this peristome To forming a step at the pedestal of both sides respectively, each step is respectively equipped with least one holding part；

One torsion unit, the grafting of one end is simultaneously positioned among this at least one holding part of this wherein one step, this torsion list The other end of unit is provided with an axis hole and the radial opening communicating with this axis hole；And

One active supporting piece, its both ends is respectively an axle center part and a connecting portion, forms an arc-curved shape arm between this both ends Portion, the one of this axle center part axially has an extension shaft part, with the axis hole of this torsion unit of grafting, for pivoting friction to produce torsion Power；Relatively rotate so as to making this active supporting piece overlapping each other be formed with this fixed seat, make this arc-curved shape arm and its be connected This connecting portion tilt out respectively into this peristome and this accommodation space；And make this active supporting piece relatively rotating or this fix Seat is freely stagnated.

3. concealed hinge as claimed in claim 1 or 2 is it is characterised in that the one end of this torsion unit is provided with an auxiliary Axis hole, wears and has fixed an axle bolt at the pedestal being plugged with this torsion unit, and this axle bolt passes through this auxiliary axis hole, so as to inciting somebody to action The one end of this torsion unit is fixed in this at least one holding part corresponding.

4. concealed hinge as claimed in claim 1 or 2 is it is characterised in that this fixed seat has stair-stepping seat top, this seat Top is degraded to the pedestal at this accommodation space place gradually by this step, so that the connecting portion of this active supporting piece is overturn and enters this appearance Lain low with being formed between being empty, and then be stacked and placed at this pedestal.

5. concealed hinge as claimed in claim 1 or 2, should be only it is characterised in that this fixed seat is additionally provided with stop configurations Gear structure is the elongated nose bar being extended towards this peristome by this step, makes this arc-curved shape arm passing through touch this backstop knot Structure and form backstop action；In addition, being equipped with a location structure at the backstop on this arc-curved shape arm opposite sides side, to position This stop configurations.

6. concealed hinge as claimed in claim 1 or 2, should be only it is characterised in that this fixed seat is additionally provided with stop configurations Gear structure is the projection being extended towards this peristome by this step, make by this arc-curved shape arm touch this stop configurations and Form backstop action；In addition, being equipped with a location structure at the backstop on this arc-curved shape arm opposite sides side, should be stopped with positioning Gear structure.

7. concealed hinge as claimed in claim 1 or 2 is it is characterised in that seat in this peristome side and/or opposite side Be additionally provided with least one structure grooves at body, the week side of boss of this fixed seat extends outwardly out at least one flank, wherein this at least one It is provided with a fixed structure at structure grooves and/or this at least one flank, so as to forming the fixed position of 2 to three points in this fixed seat, To be stably fixed on a body.

8. concealed hinge as claimed in claim 7, it is characterised in that this structure grooves is multiple, divides between each structure grooves Not there is a rib wall of reinforced structure.

9. concealed hinge as claimed in claim 1 or 2 is it is characterised in that this arc-curved shape arm includes a segmental arc and one Radially connected section, this segmental arc forms link around this axle center part and by this radially connected section, and this radially connected section is provided with One opening, passes through for a circuit.

10. concealed hinge as claimed in claim 9 is it is characterised in that the opposite sides side of this arc-curved shape arm sets respectively There is a barricade, form a pilot channel for the cambered surface along this segmental arc, a channel mouth of this pilot channel is that this is radially connected This opening of section, another channel mouth of this pilot channel is formed at the adjoiner of this segmental arc and this connecting portion, for collecting this line Road is adhered to and is directed through.

11. concealed hinges as claimed in claim 10 are it is characterised in that this two barricades of this arc-curved shape arm are near this One end of connecting portion is respectively equipped with one first Access Division, and one first locating part be respectively arranged at two ends with can correspond to link this first Second Access Division of Access Division, for connecting this first locating part on this connecting portion.

12. concealed hinges as claimed in claim 11 are it is characterised in that this two barricades of this arc-curved shape arm are near this One end of linkage section bridges one second locating part.

13. concealed hinges as claimed in claim 1 or 2 are it is characterised in that this fixed seat includes a body and by this body The support arm extending, and this holding part is located on this support arm, the bottom of this holding part is a flat board, and this flat board It is respectively provided on two sides with a upper and lower through hole running through.

14. concealed hinges as claimed in claim 2 it is characterised in that this axle center part also there is another prolonging to axial Stretch shaft part, be provided with a pivoted hole at this pedestal step of this peristome opposite side and the radial guiding that communicated with this pivoted hole is drawn away Mouthful, so as to for another extension shaft part pivot joint and energy pivoting friction, making this torsion unit and this step share load-carrying and balanced support, Thus stablizing relatively rotating between this active supporting piece and this fixed seat.

15. concealed hinges as claimed in claim 2 are it is characterised in that above-mentioned concealed hinge also includes the another of auxiliary One torsion unit, the one end grafting of this another torsion unit and be positioned this wherein another step this at least one holding part it In, the other end of this another torsion unit is provided with an axis hole and the radial opening communicating with this axis hole；And in this axle center part Also there is another extension shaft part to axial, this axis hole of this another torsion unit for grafting, thus pivoting friction is to produce Torsion, makes this torsion unit and this another torsion unit share load-carrying and balanced support.

16. concealed hinges as claimed in claim 15 it is characterised in that the one end of this another torsion unit to be provided with one auxiliary Help axis hole, wear at the pedestal being plugged with this another torsion unit and fixed an axle bolt, this axle bolt passes through this auxiliary axis hole, So as to this another torsion unit is fixed in this at least one holding part corresponding.