CN206647416U - Hidden split hinge - Google Patents

Abstract

A hidden split hinge is provided, wherein a first connecting rod set and a second connecting rod set are accommodated in a first body and a second body. The first connecting rod group comprises at least one first connecting rod, one end of the first connecting rod is connected to the first body in a sliding mode relative to the first body, and the other end of the first connecting rod is pivoted with the second body; the second connecting rod group comprises at least one second connecting rod, one end of the second connecting rod is connected to the second body in a sliding mode relative to the second body, and the other end of the second connecting rod is pivoted with the first body; and a shaft lever coaxially passes through the first flexible part of the first connecting rod and the second flexible part of the second connecting rod, so that the first flexible part is deformed in the first space, and the second flexible part is deformed in the second space, thereby generating torsion force by rotation friction, and enabling the first connecting rod group and the second connecting rod group which are overlapped to rotate relatively and to be freely stopped.

Description

Concealed side hinge

technical field

The utility model relates to a hinge, in particular to a multi-axis concealed split hinge of an electronic device.

Background technique

Traditional foldable electronic devices, such as the display and the base of a notebook computer, are mainly connected to the side of the display and the base through a single-axis hinge to form a pivot, so that the display can be flipped up or closed relative to the base.

And as shown in the patent case of "Connecting Rod Device and Electronic Device Bracket Using the Connecting Rod Device" No. M529774 of China Taiwan Utility Model Announcement, it can not only be connected by a first connecting rod and a second connecting rod that are coaxially articulated. The action of the connecting rod is to achieve the above-mentioned purpose of lifting and closing, and when it is applied to the above-mentioned foldable electronic device or an integrated electronic device product such as a tablet computer, it can make the tripod supporting the display flip up or close. , and will not be exposed when closed. In addition, as shown in the patent case "Electronic Device and Hinge" of my country's Invention Publication No. CN102606616A, the above-mentioned lifting, closing and hiding effects can also be achieved by the movement of two arms pivoted on the same axis.

However, no matter the structure disclosed in the "Linkage Device and Electronic Device Bracket Using the Linkage Device" patent or the "Electronic Device and Hinge" patent case, it is necessary to generate sufficient torque through an external torsion module. Form a supporting role during the lifting or closing action. In this way, in order to install the torsion module composed of multiple shrapnels, washers and nuts, if the structural design is not to be obtrusive, or even concealed, it is necessary to preset enough accommodation space for adding or accommodating the torsion module. The torque module, however, will also increase the overall volume, which is not only not conducive to the overall design, but also does not meet the market demand that the overall volume gradually tends to be lighter and thinner.

Utility model content

In view of this, in order to provide a structure different from the prior art and improve the above-mentioned shortcomings, the inventor has accumulated many years of experience and continuous research and development, so the utility model is produced.

The purpose of this utility model is to provide a concealed split hinge, which can solve the problems of complex structure and large overall volume in the prior art, which is not conducive to the overall design, and can effectively simplify the components to reduce costs and reduce the overall size. The volume is convenient for design, and meets the market demand of light and thin overall volume, so as to promote sales.

In order to achieve the purpose of the above utility model, the concealed split hinge provided in the utility model includes: a first body, a second body, a first connecting rod group and a second connecting rod group. Wherein, the first body includes two first rails and two first pivotal parts, and the first body has a first opening; the second body includes two second rails and two second pivotal parts, and the second The body has a second opening; the first connecting rod group is located in the first opening and the second opening, the first connecting rod group includes at least one first connecting rod, the first connecting rod has a first connecting part and is formed by One end of the first connecting part is a first extending part extending at an angle, at least one first connecting part of at least one first connecting rod has a first guide, and the two ends of the first guide can be arranged relative to the first A sliding body is respectively arranged on two first rails; at least one first extension part of at least one first connecting rod is pivotally connected to the second pivoting part; the first connecting part and the first extending part of the first connecting rod There is a first torsion unit between them, the first torsion unit has a first flexible part, and the periphery of the first flexible part has a first space for accommodating the deformation of the first flexible part. The second connecting rod group is located in the first opening and the second opening, the second connecting rod group includes at least one second connecting rod, the second connecting rod has a second connecting part and one end of the second connecting part The second extension part extending at an angle, the at least one second connection part of the at least one second connecting rod has a second guide part, and the two ends of the second guide part are respectively slidable relative to the second body. It is arranged on two second rails; at least one second extension part of at least one second link is pivotally connected to the first pivot part; there is a second torsion force between the second connection part and the second extension part of the second link unit, the second torsion unit has a second flexible part, and the periphery of the second flexible part has a second space for accommodating the deformation of the second flexible part; The rods pass through coaxially for respectively forming friction torque.

During implementation, a first step is formed at the first body of the first opening, and a second step is formed at the second body of the second opening.

In practice, the first body includes a first base, a first left side plate and a first right side plate, and two first rails and two first pivotal parts are respectively formed on the surface of the first left side plate and the first right side plate. On the board surface of a right side board, the first opening is formed between the first left side board and the first right side board.

During implementation, at least one rivet passes through the above-mentioned first left side plate, first seat body and first right side plate in order to be connected into one body. Also can be provided with at least one first left positioning hole on the plate surface of the first left side plate, be provided with at least one first right positioning hole on the plate surface of the first right side plate, the left and right sides of the first seat body Each side is provided with at least one first protruding column for correspondingly passing through at least one first left positioning hole and at least one first right positioning hole to connect the first left side plate, the first seat body and the first right side plate .

During implementation, the second body includes a second base, a second left side plate and a second right side plate, and two second rails and two second pivot joints are respectively formed on the surface of the second left side plate and the second right side plate. On the board surfaces of the two right side boards, the second opening is formed between the second left side board and the second right side board.

During implementation, the above-mentioned second left side plate, second seat body and second right side plate are sequentially passed through by at least one rivet so as to be connected into one body. Also can be provided with at least one second left locating hole on the plate surface of the second left side plate, be provided with at least one second right locating hole on the plate surface of the second right plate, the left and right sides of the second seat body Each side is provided with at least one second boss respectively, for correspondingly passing through at least one second left positioning hole and at least one second right positioning hole respectively, so as to connect the second left side plate, the second seat body and the second right side plate .

During implementation, the first flexible portion of the first torsion unit includes two corresponding first arc-shaped arms for forming the first shaft hole, and there is a first radial direction between the corresponding ends of the two first arc-shaped arms. Opening, the first radial opening communicates with the first shaft hole and the first space. The second flexible portion of the second torsion unit includes two corresponding second arc-shaped arms for forming a second shaft hole, and there is a second radial opening between the corresponding ends of the two second arc-shaped arms. The two radial openings communicate with the second shaft hole and the second space.

In practice, the first flexible portion of the first torsion unit can also be a closed annular piece, the inner peripheral edge of the annular piece is provided with at least one groove, and the at least one groove is radially recessed away from the axial direction of the annular piece. The second flexible portion of the second torsion unit can also be a closed annular piece, at least one groove is provided on the inner periphery of the annular piece, and at least one groove is radially recessed away from the axial center of the annular piece.

In practice, the first link set includes a plurality of first links, the second link set includes a plurality of second links, and the plurality of first links and the plurality of second links are arranged in a stacked manner.

During implementation, the above-mentioned first guiding member is a straight rod, and the straight rod has at least one first ring for positioning the multiple first connecting parts of the multiple first connecting rods. The second guide member is also a straight rod, and the straight rod has at least one second ring for positioning a plurality of second connecting parts of a plurality of second connecting rods.

The beneficial effects of the utility model are: the components can be effectively simplified to reduce the cost, the overall volume can be reduced to facilitate the design, and the market demand for light and thin overall volume can be achieved to promote sales.

Description of drawings

Fig. 1 is the three-dimensional appearance schematic diagram of the first embodiment of the present utility model;

Figure 2 is an exploded view of the first embodiment of the utility model;

Fig. 3 is an exploded view of components of the first connecting rod group and the second connecting rod group according to the first embodiment of the present invention;

Fig. 4 is an exploded view of components of the first body and the second body of the present invention in different implementation states;

Fig. 5 is a three-dimensional exploded view of the first connecting rod group and the second connecting rod group in different combination states of the present invention;

Fig. 6, 7 is the use status diagram of the first embodiment of the present utility model;

FIG. 8 is a schematic perspective view of the first connecting rod and the second connecting rod according to the second embodiment of the present invention.

Explanation of reference signs

1 Concealed side hinge 2 First body

21 The first base body 212, 213 The first boss

211, 311 Recess 22 First left panel

221, 231 First rail 222, 232 First pivot joint

223 First left alignment hole 23 First right side panel

233 First right positioning hole 24 First step

25, 35 Rivet 26 First opening

3 Second body 31 Second seat

312, 313 Second boss 32 Second left side panel

321, 331 Second rail 322, 332 Second pivot joint

323 Second left alignment hole 33 Second right side panel

333 Second right positioning hole 34 Second step

36 Second opening 4 First link group

41 First connecting rod 411 First connecting part

412 First extension 413 First torque unit

414 First flexible part 415 First arc arm

416 First shaft hole 417 First radial opening

418 first space 419, 519 groove

42 First guide 43 First ring

5 Second connecting rod group 51 Second connecting rod

511 Second connection part 512 Second extension part

513 Second torsion unit 514 Second flexible part

515 Second arc arm 516 Second shaft hole

517 Second radial opening 518 Second space

52 Second guide 53 Second ring

6 Axis 9 Display

91 base.

detailed description

For the convenience of having a deeper understanding of the utility model, it is now described in detail as follows:

The concealed split hinge 1 of the present invention comprises: a first body 2 , a second body 3 , a first connecting rod group 4 and a second connecting rod group 5 . Wherein, the first body 2 includes two first rails 221, 231 and two first pivotal parts 222, 232, the first body 2 has a first opening 26; the second body 3 includes two second rails 321 , 331 and two second pivot joints 322, 332, the second body 3 has a second opening 36; The rod set 4 includes at least one first connecting rod 41. The first connecting rod 41 has a first connecting portion 411 and a first extending portion 412 extending at an angle from one end of the first connecting portion 411. At least one first connecting rod 41 The at least one first connecting portion 411 has a first guide 42, and the two ends of the first guide 42 are respectively arranged on the two first rails 221, 231 in a manner that can slide relative to the first body 2; At least one first extension 412 of at least one first link 41 is pivotally connected to the second pivots 322, 332; there is a first torsion unit between the first connection 411 and the first extension 412 of the first link 41 413 , the first torsion unit 413 has a first flexible portion 414 , and the periphery of the first flexible portion 414 has a first space 418 for accommodating deformation of the first flexible portion 414 . The second connecting rod group 5 is located in the first opening 26 and the second opening 36, the second connecting rod group 5 includes at least one second connecting rod 51, the second connecting rod 51 has a second connecting part 511 and The second extension portion 512 extending at an angle from one end of the second connecting portion 511, at least one second connecting portion 511 of at least one second connecting rod 5 has a second guide 52, the second guide 52 The two ends are respectively arranged on the two second rails 321, 331 in a manner that can slide relative to the second body 3; at least one second extension portion 512 of at least one second connecting rod 51 is pivotally connected to the first pivotal portion 222, 232; there is a second torsion unit 513 between the second connection part 511 and the second extension part 512 of the second connecting rod 51, the second torsion unit 513 has a second flexible part 514, and the periphery of the second flexible part 514 There is a second space 518 for accommodating the deformation of the second flexible part 514 ; and the second flexible part 514 and the first flexible part 414 are coaxially passed through by a shaft 6 for respectively forming friction torque.

Please refer to Fig. 1, which is the first embodiment of the utility model concealed split hinge 1, including: a first body 2, a second body 3, a first link group 4, a second link A rod set 5 and a shaft 6 . The first body 2 is connected to the side of the display 9 of an electronic device, and the second body 3 is connected to the base 91 of the electronic device.

As shown in FIGS. 2 and 3 , the first body 2 includes a first base 21 , a first left side plate 22 and a first right side plate 23 . Wherein, the first seat body 21 is L-shaped or approximately L-shaped, and the top surface on one side has a downwardly recessed groove 211, in order to save the material cost of manufacturing the first seat body 21, a first step 24 is formed by The top surface on one side of the first base body 21 is stepped down towards the other side of the first base body 21 . The first left side plate 22 and the first right side plate 23 are vertical plates symmetrical to the left and right sides of the first seat body 21 respectively, the plate surface of the first left side plate 22 and the plate surface of the first right side plate 23 A strip-shaped first rail 221, 231 and a circular hole-shaped first pivot portion 222, 232 are respectively formed on the top. The first left side plate 22, the first seat body 21 and the first right side plate 23 pass through two rivets 25 in order respectively to connect them into one body, and make the first left side plate 22 and the first right side plate 23 A first opening 26 is formed therebetween, and the first step 24 is located at the first base 21 of the first opening 26 .

The second body 3 includes a second seat body 31 , a second left side panel 32 and a second right side panel 33 . Wherein, the second seat body 31 is L-shaped or approximately L-shaped, and the top surface on one side has a downwardly recessed groove 311, to save the material cost of manufacturing the second seat body 31, a second step 34 is formed by The top surface on one side of the second base body 31 is stepped down toward the other side of the second base body 31 . The second left side plate 32 and the second right side plate 33 are vertical plates symmetrical to the left and right sides of the second seat body 31 respectively, the plate surface of the second left side plate 32 and the plate surface of the second right side plate 33 A strip-shaped second rail 321, 331 and a circular hole-shaped second pivot portion 322, 332 are respectively formed on the top. The second left side plate 32, the second seat body 31 and the second right side plate 33 pass through two rivets 35 in order respectively to connect them into one body, and make the second left side plate 32 and the second right side plate 33 A second opening 36 is formed therebetween, and the second step 34 is located at the second base 31 of the second opening 36 .

During implementation, also as shown in Figure 4, two first left positioning holes 223 are provided on the board surface of the above-mentioned first left side board 22, and two first right positioning holes 223 are provided on the board surface of the first right side board 23. Positioning holes 233, two first protrusions 212, 213 are respectively provided on the left and right sides of the first seat body 21, so as to respectively pass through the two first left positioning holes 223 and the two first right positioning holes 233 , to connect the first left side plate 22 , the first seat body 21 and the first right side plate 23 . And the plate surface of the second left side plate 32 is provided with two second left positioning holes 323, the plate surface of the second right side plate 33 is provided with two second right positioning holes 333, the left side of the second seat body 31 1. Two second protrusions 312, 313 are respectively provided on the right sides, so as to pass through the two second left positioning holes 323 and the two second right positioning holes 333 respectively, and can also connect the second left side plate 32, The second seat body 31 and the second right side plate 33 .

As shown in FIG. 2 and FIG. 3 , the first connecting rod set 4 is located in the first opening 26 and the second opening 36 , and the first connecting rod set 4 includes multiple sets of two parallel first connecting rods 41 . Any first connecting rod 41 has a first connecting portion 411 and a first extending portion 412 extending at an angle from one end of the first connecting portion 411, wherein the plurality of first connecting portions of the first connecting rod group 4 411 has a first guide 42, the first guide 42 is a straight rod, and the straight rod passes through a plurality of first rings 43, so as to be respectively positioned between any two groups of first connecting rods 41 arranged side by side, and the two Between the parallel first connecting rod 41 and the first left side plate 22. The two ends of the first guide 42 are respectively arranged on the two first rails 221, 231, so as to slide relative to the first body 2; the plurality of first extensions 412 of the first link group 4 have coaxial circles hole, so that after a shaft passes through multiple circular holes and the two second pivotal parts 322, 332 at the same time, the multiple first extension parts 412 can be relative to the second left side plate 32 and the second right side plate 33 turns.

In addition, there is a first torsion unit 413 between the first connecting portion 411 and the first extension portion 412 of any first connecting rod 41, and the first torsion unit 413 has a first flexible portion 414, the first flexible portion 414 includes two corresponding first arc arms 415, a first shaft hole 416 is formed between the two first arc arms 415, and a first shaft hole 416 is formed between the corresponding ends of the two first arc arms 415. Radial opening 417, and the periphery of the first flexible part 414 has an arc-shaped first space 418 that can accommodate the deformation of the first flexible part 414, the first space 418, the first radial opening 417 and the first shaft hole 416 interconnected. In this way, the first torsion unit 413 can not only be elastically deformed to elastically adjust the interference, but also can pass through the arc-shaped first space 418 during the process of generating torsion through the first flexible part 414 and the shaft 6 through rotational friction. To assist heat dissipation, it is beneficial to delay wear and avoid torsion degradation caused by wear.

As shown in Fig. 2 and Fig. 3, the second connecting rod group 5 is located in the first opening 26 and the second opening 36, and the second connecting rod group 5 includes multiple sets of two parallel second connecting rods 51, The shape of the second link 51 is the same as that of the first link 41 . The parallel second connecting rods 51 and the parallel first connecting rods 41 are arranged in a staggered manner. Any second connecting rod 51 has a second connecting part 511 and a second extending part 512 extending at an angle from one end of the second connecting part 511, wherein the plurality of second connecting parts of the second connecting rod group 5 511 has a second guide member 52, the second guide member 52 is a straight rod, and the straight rod passes through a plurality of second rings 53, so as to be positioned between any two second connecting rods 51 arranged side by side, and two between the parallel second connecting rod 51 and the second right side plate 33 . The two ends of the second guide 52 are respectively arranged on the two second rails 321, 331, so as to slide relative to the second body 3; the plurality of second extensions 512 of the second link group 5 have coaxial circles hole, so that after a shaft passes through multiple circular holes and the two first pivotal parts 222, 232 at the same time, the multiple second extension parts 512 can be relative to the first left side plate 22 and the first right side plate 23 turns.

In addition, there is a second torsion unit 513 between the second connection portion 511 and the second extension portion 512 of any second connecting rod 51, and the second torsion unit 513 has a second flexible portion 514, the second flexible portion 514 includes two corresponding second arc arms 515, a second shaft hole 516 is formed between the two second arc arms 515, and a second shaft hole 516 is formed between the corresponding ends of the two second arc arms 515. radial opening 517, and the periphery of the second flexible part 514 has an arc-shaped second space 518 that can accommodate the deformation of the second flexible part 514, the second space 518, the second radial opening 517 and the second shaft hole 516 interconnected. In this way, the second torsion unit 513 can also be elastically deformed to elastically adjust the interference during the process of generating torsion through the second flexible portion 514 through the rotational friction with the shaft 6 , and through the arc-shaped second space 518 to Assist heat dissipation to delay wear and avoid torsion decline caused by wear. During implementation, the arrangement of the first connecting rod group 4 and the second connecting rod group 5 can also be as shown in Figure 5, the first connecting rod group 4 is formed by stacking a plurality of first connecting rods 41 side by side, and the second connecting rod group 4 is stacked side by side. The rod set 5 is formed by stacking a plurality of second connecting rods 51 side by side, and the first connecting rod set 4 and the second connecting rod set 5 are in a single staggered shape.

Thereby, as shown in FIG. 6, when the monitor 9 is closed relative to the base 91, the user can rotate the monitor 9 relative to the base 91, so that the first body 2 and the first linkage group 4 are relatively The second body 3 and the second link group 5 rotate, and the rotational friction between the first flexible part 414, the second flexible part 514 and the shaft rod 6 is used to generate a torsion force, so that the display 9 and the base 91 can rotate Freedom stagnates at an angle. As shown in FIG. 7 , when the display 9 and the base 91 are fully deployed at an angle of about 180 degrees, since the plurality of first connecting parts 411 of the first link group 4 press against the first step 24 of the first body 2, the second The plurality of second connecting portions 511 of the two link groups 5 press against the second step 34 of the second body 3 , thereby producing a stopper effect so that the display 9 and the base 91 will not continue to rotate relative to each other.

Please refer to Fig. 8, which is the second embodiment of the present utility model, which is different from the first embodiment in that: the first flexible part 414 of the first torsion unit 413 of the first connecting rod 41 is closed An annular sheet, the inner periphery of the annular sheet is provided with three annular grooves 419, and the three grooves 419 are radially recessed away from the axial direction of the annular sheet; and the second torsion unit 513 of the second connecting rod 51 The second flexible portion 514 is also a closed annular piece, and the inner periphery of the annular piece is provided with three grooves 519, and the three grooves 519 are radially recessed away from the axial direction of the annular piece; thus the first flexible portion 414 1. The rings of the annular piece of the second flexible part 514 form unequal widths to facilitate elastic deformation, and can elastically adjust the interference effect, and each groove 419, 519 can also store oil to provide lubrication. The arc-shaped enclosed space near each annular sheet provides heat dissipation effect. In this way, the rotational friction between the first flexible part 414, the second flexible part 514 and the shaft 6 can also be used to generate torsion, so that the display 9 and the base 91 can freely stagnate when rotating, and also delay wear And the function of torsion decay caused by wear and tear.

Therefore, the utility model has the following advantages:

1. The utility model accommodates the first connecting rod group and the second connecting rod group between the first body and the second body, and sets a plurality of first connecting rod groups in the middle section of the first connecting rod group and the second connecting rod group. A torsion unit and a second torsion unit clamp a shaft as a source of frictional torsion, thus helping to reduce the volume without occupying space, and facilitating the overall design of the electronic device to achieve a light and thin overall volume market demand.

2. The first connecting rod and the second connecting rod of the present invention have the same shape, so the processing procedure of the components can be effectively simplified to reduce the production cost.

3. The first seat body of the utility model is provided with a first step, and the second seat body is provided with a second step, so as to produce a limit stop effect on the first connecting rod group and the second connecting rod group respectively, so , can effectively control the relative rotation angle of the monitor and the base.

4. The torsion units on each connecting rod of the present utility model can pass through the paired arc arms and radial openings, or through the closed and unequal ring-width ring pieces and the rings used for oil storage. A plurality of grooves are used to form flexible parts of different structures to match the connected or adjacent arc-shaped spaces, so that when the shaft rotates and rubs, it can be elastically deformed to elastically adjust the interference between each other In addition to achieving the required torque value, it also has the effect of heat dissipation to reduce the heat energy of rotational friction, so as to delay wear and avoid the phenomenon of torsion decline caused by wear, and reduce the distance between the shaft and each flexible part. Changes in physical properties (such as causing plastic deformation of the shaft/various flexible parts to change the structure), or changes in chemical properties (such as causing the lubricant to deteriorate easily and produce erosion) and other effects.

Although the utility model discloses preferred specific embodiments to achieve the above object, it is not intended to limit the structural features of the utility model. Any person skilled in the art should know that under the technical spirit of the utility model, any easy All contemplated changes and modifications are possible and covered by the claims of the present invention.

Claims (15)

1. A kind of 1. concealed split hinge, it is characterised in that including：

   One the first noumenon, including two the first tracks and two the first articulated sections, the first noumenon have one first opening portion；

   One second body, including two the second tracks and two the second articulated sections, second body have one second opening portion；

   One first connecting rod group, among first opening portion and second opening portion, the first connecting rod group includes at least 1 the One connecting rod, the first connecting rod have a first connecting portion and one first prolonged by one end extension at an angle of the first connecting portion Extending portion, an at least first connecting portion for an at least first connecting rod have one first guide member, the both ends of first guide member It is respectively arranged in a manner of it can be slided relative to the first noumenon on two first tracks；An at least first connecting rod is somebody's turn to do At least one first extension is pivotally connected second articulated section；Have between the first connecting portion of the first connecting rod and first extension There is one first torsion unit, the first torsion unit has one first flexible portion, and the periphery of first flexible portion has can be for holding Receive first flexible portion deformation the first space；And

   One second connecting rod group, among first opening portion and second opening portion, the second connecting rod group includes at least 1 the Two connecting rods, the second connecting rod have a second connecting portion and one second prolonged by one end extension at an angle of the second connecting portion Extending portion, an at least second connecting portion for an at least second connecting rod have one second guide member, the both ends of second guide member It is respectively arranged in a manner of it can be slided relative to second body on two second tracks；An at least second connecting rod is somebody's turn to do At least one second extension is pivotally connected first articulated section；Have between the second connecting portion of the second connecting rod and second extension There is one second torsion unit, the second torsion unit has one second flexible portion, and the periphery of second flexible portion has can be for holding Receive second flexible portion deformation second space；And second flexible portion and first flexible portion are coaxially passed through with an axostylus axostyle, supply Friction torsion is formed respectively.
2. 2. concealed split hinge as claimed in claim 1, it is characterised in that shape at the first noumenon of first opening portion Into a first step, a second step is formed at second body of second opening portion.
3. 3. concealed split hinge as claimed in claim 1 or 2, it is characterised in that the first noumenon include one first pedestal, One first left plate and one first right plate, two first tracks and two first articulated sections are respectively formed in first left side In the plate face of side plate and the plate face of first right plate, first opening portion is formed at first left plate and first right plate Between.
4. 4. concealed split hinge as claimed in claim 3, it is characterised in that first left plate, first pedestal and should First right plate is with an at least rivet sequentially also cross integral to link.
5. 5. concealed split hinge as claimed in claim 3, it is characterised in that the plate face of first left plate is provided with least One first left positioning hole, the plate face of first right plate are provided with least one first right positioning hole, and left and right the two of first pedestal Side is respectively equipped with least one first projection, and confession corresponds to fixed through at least one first left positioning hole and at least one first right side respectively Position hole, to link first left plate, first pedestal and first right plate.
6. 6. concealed split hinge as claimed in claim 1 or 2, it is characterised in that second body include one second pedestal, One second left plate and one second right plate, two second tracks and two second articulated sections are respectively formed in second left side In the plate face of side plate and the plate face of second right plate, second opening portion is formed at second left plate and second right plate Between.
7. 7. concealed split hinge as claimed in claim 6, it is characterised in that second left plate, second pedestal and should Second right plate is with an at least rivet sequentially also cross integral to link.
8. 8. concealed split hinge as claimed in claim 6, it is characterised in that the plate face of second left plate is provided with least One second left positioning hole, the plate face of second right plate are provided with least one second right positioning hole, and left and right the two of second pedestal Side is respectively equipped with least one second projection, and confession corresponds to fixed through at least one second left positioning hole and at least one second right side respectively Position hole, to link second left plate, second pedestal and second right plate.
9. 9. concealed split hinge as claimed in claim 1 or 2, it is characterised in that this of the first torsion unit first is scratched Property portion include two the first corresponding arched arms, for forming one first axis hole, the corresponding ends of two first arched arms it Between there is one first radial opening, first radial opening connects with first axis hole and first space.
10. 10. concealed split hinge as claimed in claim 1 or 2, it is characterised in that this of the second torsion unit second is scratched Property portion include two the second corresponding arched arms, for forming one second axis hole, the corresponding ends of two second arched arms it Between there is one second radial opening, second radial opening connects with second axis hole and the second space.
11. 11. concealed split hinge as claimed in claim 1 or 2, it is characterised in that this of the first torsion unit first is scratched Property portion be the ring segment of closing, the inner peripheral of ring segment is provided with an at least groove, and an at least groove is with the axle of remote ring segment Heart direction radial depressions.
12. 12. concealed split hinge as claimed in claim 1 or 2, it is characterised in that this of the second torsion unit second is scratched Property portion be the ring segment of closing, the inner peripheral of ring segment is provided with an at least groove, and an at least groove is with the axle of remote ring segment Heart direction radial depressions.
13. 13. concealed split hinge as claimed in claim 1 or 2, it is characterised in that the first connecting rod group includes multiple first Connecting rod, the second connecting rod group include multiple second connecting rods, and the plurality of first connecting rod is with the plurality of second connecting rod with interleaving stack Mode is set.
14. 14. concealed split hinge as claimed in claim 13, it is characterised in that first guide member is a straight-bar, and this is straight There is at least one first ring, the plurality of first connecting portion for positioning the plurality of first connecting rod on bar.
15. 15. concealed split hinge as claimed in claim 13, it is characterised in that second guide member is a straight-bar, and this is straight There is at least one second ring, the plurality of second connecting portion for positioning the plurality of second connecting rod on bar.