CN211623031U

CN211623031U - Hidden hinge

Info

Publication number: CN211623031U
Application number: CN201922463281.5U
Authority: CN
Inventors: 伍肇坚
Original assignee: Zhaoqing Gaoyao Zhaogao Metal Technology Co ltd
Current assignee: Guangdong Zhaogao Metal Technology Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-02
Anticipated expiration: 2029-12-31

Abstract

The invention provides a hidden hinge, comprising: casing, left support arm, left function axle, right casing, right support arm, right function axle, the rotation of right side support arm enables left side function axle energy storage, the messenger of putting of left side function axle the right side support arm resets, the rotation of left side support arm enables right side function axle energy storage, the ability of putting of right side function axle makes left side support arm resets, does not divide left right direction installation hinge, and is rational in infrastructure pleasing to the eye, and convenient to use easily maintains the change, can satisfy the needs of modern society life.

Description

Hidden hinge

Technical Field

The utility model relates to a door and window hardware fitting field especially relates to hinge.

Background

At present, the hinge will be used in the installation of door leaf, can use the hidden hinge for pleasing to the eye and safety, the hidden hinge on the market only plays the articulated function of door leaf, if will realize the effect that automatic hydraulic pressure buffering was closed, then need install the hidden door closer additional, it is very inconvenient like this, hinge body exposes and bulky after the installation of ordinary multi-functional hydraulic hinge, can influence the door leaf wholly pleasing to the eye, and difficult installation and maintenance, the problem above all brings many inconveniences for the user.

Disclosure of Invention

The embodiment of the utility model provides a hide hinge uses the technical scheme that this embodiment provided, solves the door leaf on the door and window if need realize the effect that automatic hydraulic pressure buffering closed and need install the trouble of door closer additional to and the exerted not aesthetic problem of ordinary hydraulic pressure hinge body, and the production is made conveniently, and firm reliable easy to change maintenance can satisfy modern society life needs.

The embodiment of the utility model provides an aim at is realized through following technical scheme:

there is provided a concealed hinge comprising: the left shell 11, the left support arm 12, the left functional shaft 13, the right shell 21, the right support arm 22, the right functional shaft 23, the left support arm 12 includes a left shaft 121 and a left plate 122 with a curved shape extending along the direction perpendicular to the axis of the left shaft 121, the right support arm 22 includes a right shaft 221 and a right plate 222 with a curved shape extending along the direction perpendicular to the axis of the right shaft 221, when the left shaft 121 and the right shaft 221 are parallel, the left plate 122 and the right plate 222 are complementary to each other, the middle part of the left plate 122 is hinged to the middle part of the right plate 222, the left shell 11 is connected to the left shaft 121, the right shell 21 is connected to the right shaft 221, the left functional shaft 13 capable of storing energy and discharging energy is arranged inside the left shell 11, the left functional shaft 13 is hinged to the end of the right plate 222, the right functional shaft 23 capable of storing energy and discharging energy is arranged inside the right shell 21, the right functional shaft 23 is hinged to the end of the left plate 122, the rotation of the right support arm 22, the release of the left functional shaft 13 enables the right support arm 22 to be reset, the rotation of the left support arm 12 enables the right functional shaft 23 to store energy, and the release of the right functional shaft 23 enables the left support arm 12 to be reset.

Further, the specific manner of hinging the middle part of the left plate 122 with the middle part of the right plate 222 is as follows: the middle part of the left plate 122 is provided with a left plate middle through hole, the middle part of the right plate 222 is provided with a right plate middle through hole, and when the left plate 122 and the right plate 222 are alternatively complemented, a central shaft 1 penetrates through the left plate middle through hole and the right plate middle through hole.

Further, the left housing 11 includes a left housing 111 and a left bracket 112, the left housing 111 is provided with a cavity for accommodating the left bracket 112, two ends of the left housing 111 respectively have a left mounting plate 1111 extending out, the left bracket 112 includes a left bottom plate 1121, two ends of the left bottom plate 1121 respectively have a left side plate 1122 extending upwards from an end of the left bottom plate 1121, ends of the two left side plates 1122 respectively have a left flange plate 1123 extending out horizontally, the two left mounting plates 1111 respectively have step surfaces near the cavity, the two step surfaces both have left threaded holes 1112, the two step surfaces are respectively used for accommodating the two left flange plates 1123 on the left bracket 112, the two left flange plates 1123 respectively have a left through hole 1124, and the two left side plates 1122 are provided with an upper left through hole 1125 and a lower left through hole 1126 from top to bottom in a mirror image of each other;

the specific manner of connecting the left housing 11 and the left shaft portion 121 is as follows: the left shaft part 121 comprises a left shaft part through hole, a left fixing shaft 2 penetrates through the left shaft part through hole, and two ends of the left fixing shaft 2 are embedded in the two left upper through holes 1125;

the inside concrete mode that sets up the left function axle 13 that can energy storage and can put down of left side casing 11 does: one end of the left function shaft 13 is fixedly connected with one of the left lower through holes 1126, and the other end of the left function shaft 13 is in rolling connection with the other left lower through hole 1126.

Further, the right housing 21 comprises a right housing 211 and a right bracket 212, the right housing 211 is provided with a cavity for accommodating the right bracket 212, each of the two ends of the right housing 211 has a right mounting plate 2111 extending out, the right bracket 212 comprises a right bottom plate 2121, each of the two ends of the right bottom plate 2121 has a right side plate 2122 extending upward from the end of the right bottom plate 2121, each of the two ends of the right side plate 2122 has a right flange plate 2123 extending horizontally, each of the two right mounting plates 2111 has a step surface near the cavity, each of the two step surfaces has a right threaded hole 2112, each of the two step surfaces is used for accommodating the two right flange plates 2123 of the right bracket 212, each of the two right flange plates 2123 has a right through hole, and the two right flange plates 2122 are provided with an upper right through hole 2125 and a lower right through hole 2126 from top to bottom in a mirror image of each other;

the specific manner of connecting the right housing 21 and the right shaft portion 221 is as follows: the right shaft part 221 comprises a right shaft part through hole, a right fixing shaft 3 penetrates through the right shaft part through hole, and two ends of the right fixing shaft 3 are embedded in the two right upper through holes 2125;

the specific mode that right casing 21 is inside to set up right function axle 23 that can energy storage and can put is: one end of the right functional shaft 23 is fixedly connected to one of the right lower through holes 2126, and the other end of the right functional shaft 23 is connected to the other right lower through hole 2126 in a rolling manner.

Further, the two left through holes 1124 are elongated left stepped holes recessed inward, the screw 14 is used to pass through the left stepped holes and screwed into the left threaded hole 1112, and the left bracket 112 is accommodated in the cavity of the left housing 111 with a gap in the length direction from the cavity of the left housing 111;

the two right through holes 2124 are inwards recessed right step holes, the heads of the step screws 24 are embedded in the right step holes, the step screws 24 and the right step holes form a matching structure which is movably connected in a screwing direction and moves synchronously in an axial direction, and the step screws 24 are screwed into the right threaded holes 2112 through the right step holes.

Further, the two left through holes 1124 are left step holes recessed inwards, the heads of the step screws 24 are embedded in the left step holes, the step screws 24 and the left step holes form a matching structure which is movably connected in a screwing direction and moves synchronously in an axial direction, and the step screws 24 pass through the left step holes and are screwed into the left threaded holes 1112;

the two right through holes 2124 are elongated, inwardly recessed right stepped holes, the screws 14 are used to pass through the right stepped holes and screw into the right screw holes 2112, and the right bracket 212 is accommodated in the cavity of the right housing 211 with a gap in the length direction from the cavity of the right housing 211.

Further, the specific manner of hinging the left functional shaft 13 with the end of the right plate 222 is as follows: the left functional shaft 13 comprises an outer sleeve 6, two ends of the outer sleeve 6 are respectively provided with a perforated rocker arm 7, the end part of the right plate 222 is provided with a right plate end through hole, and a left driving shaft 4 penetrates through the right plate end through hole and the perforated rocker arm 7;

the specific manner of hinging the right functional shaft 23 with the end of the left plate 122 is as follows: the right functional shaft 23 comprises an outer sleeve 6, two ends of the outer sleeve 6 are respectively provided with a perforated rocker arm 7, the end part of the left plate 122 is provided with a left plate end through hole, and a right driving shaft 5 penetrates through the left plate end through hole and the perforated rocker arm 7.

Further, the structures of the left functional shaft 13 and/or the right functional shaft 23 are specifically as follows: the outer sleeve 6 is in a round tube shape as a whole, an upper sealing cover 81 with an inner hole is fixedly embedded in an inner cavity of an upper pipe orifice of the outer sleeve 6, a central shaft 9 penetrates through the inner hole of the upper sealing cover 81, the upper end part of the central shaft 9 is protruded out of the upper pipe orifice of the outer sleeve, a flange 91 is arranged on the upper middle column body of the central shaft, a rolling bearing 10 is arranged between the central shaft 9 and the inner wall of the upper sealing cover 81, a plurality of steel balls are arranged between the upper end surface of the flange 91 and the lower end surface of the upper sealing cover 81, a piston 82 is embedded in the inner cavity of the lower middle part of the outer sleeve 6, the piston 82 is in a cylindrical shape, the lower column body of the central shaft 9 is inserted into the inner hole of the piston 82, the central shaft 9 and the piston 82 form a matching structure with axial sliding connection and synchronous rotation, two spiral sliding grooves 821 are axially symmetrically arranged on the column body of the piston, the column body of the central shaft 9 between the lower end surface of the flange 91 and the upper end surface of the cylinder body of the piston 82 is sleeved with a pressure spring 94, the inner cavity of the lower pipe orifice of the outer sleeve 6 is fixedly embedded with a lower sealing cover 83 of an inner hole, and the reducing part 831 of the lower sealing cover 83 is protruded from the lower pipe orifice of the outer sleeve 6.

Further, the spiral chute 821 includes an inclined section inclined with respect to the axis of the center shaft 9 and a horizontal section perpendicular to the axis of the center shaft (9).

Further, the specific way of fixedly connecting one end of the left functional shaft 13 with one of the left lower through holes 1126 is: the upper end part of the central shaft 9, which is protruded from the upper pipe orifice of the outer sleeve 6, is fixedly connected with one of the left lower through holes 1126 through a connecting sleeve;

the other end of the left functional shaft 13 is connected with the other left lower through hole 1126 in a rolling way in a specific mode that: the reducing part 831 of the lower cover 83 is in rolling connection with the other left lower through hole 1126 through a rolling bearing;

the specific way of fixedly connecting one end of the right functional shaft 23 with one of the right lower through holes 2126 is as follows: the central shaft 9 is protruded from the upper end part of the upper pipe orifice of the outer sleeve 6 and is fixedly connected with one of the right lower through holes 2126 through a connecting sleeve;

the other end of the right functional shaft 23 is connected with the other right lower through hole 2126 in a rolling way in a specific mode that: the reduced diameter portion 831 of the lower cover 83 is in rolling contact with the other right lower through hole via a rolling bearing.

Further, the left functional shaft 13 and/or the right functional shaft 23 also comprise a hydraulic buffer mechanism.

Further, the concrete structure of hydraulic buffer gear is: the cylinder bottom of the piston 82 is provided with a one-way valve 822, a first sealing ring 62 is arranged between the outer wall of the upper sealing cover 81 and the inner wall of the outer sleeve 6, a second sealing ring 63 is arranged between the inner hole wall of the upper sealing cover 81 and the outer part of the cylinder body of the central shaft 9, the cylinder body of the transverse shaft 92 is sleeved with a circular sliding sleeve 84, the outer cylinder body of the outer sleeve 6 is sleeved with an annular sealing sleeve 64, the sealing sleeve 64 covers two transverse shaft embedding holes 61, an upper sealing ring 65 and a lower sealing ring 66 are arranged between the sealing sleeve 64 and the outer sleeve 6, the upper sealing ring 65 is positioned above the transverse shaft 92, the lower sealing ring 66 is positioned below the transverse shaft 92, a third sealing ring 67 is arranged between the outer wall of the lower sealing cover 83 and the inner wall of the outer sleeve, a cylindrical speed regulating oil needle 85 is screwed in the inner hole of the lower sealing cover, the upper cylinder body of the speed regulating oil needle 85 extends into the inner hole at the cylinder bottom of the piston 82, a, a fifth seal ring 69 is provided between the lower portion of the outer wall of the cylinder of the piston 82 and the inner wall of the outer tube 6, a space between the lower end surface of the check valve 822 and the inner end surface of the lower cover 83 is a pressure receiving oil chamber 600, and a space between the upper end surface of the check valve 822 and the inner end surface of the upper cover 81 is an oil storage chamber 601.

The invention relates to a technical scheme, wherein a left shell and a right shell are connected by two support arms which are mutually clamped, the left shell and the right shell can relatively move around a central shaft embedded in the middle of the support arms, the left shell and the right shell consist of a shell, a support, a fixed shaft, a functional shaft and a driving shaft, the box-shaped shell is internally embedded with the support which is integrally sunk in the middle and provided with flange plates at two sides and is connected with the support by screws and the like, side plates at two sides of the support are oppositely provided with an upper pair of through holes and a lower pair of through holes, the upper through holes are embedded with two ends of the fixed shaft, one side of the lower through holes is fixedly connected with the functional shaft, the other side of the lower through holes is in rolling connection, the two support arms are integrally in a bent plate shape, the middle parts of the two end parts and the middle parts provided with through holes, the production and manufacture are convenient, the product is beautiful, the installation is simple, and the structure is reasonable.

Drawings

FIG. 1 is an exploded schematic view of an embodiment of the present invention;

FIG. 2 is a side schematic view of an embodiment of the present invention in a closed position;

FIG. 3 is a side schematic view of an embodiment of the present invention in a half-way open hinge position;

FIG. 4 is a side schematic view of an embodiment of the present invention with the hinge fully open;

FIG. 5 is a cross-sectional structural view of the hinge of FIG. 2 in a closed position;

FIG. 6 is a cross-sectional structural view of the hinge of FIG. 4 in an open position;

fig. 7 is a schematic view of a left or right functional shaft in the present invention;

fig. 8 and 9 are schematic views of the compression and release states of the pressure spring according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples. Please read with reference to fig. 1-9.

The first embodiment is as follows:

referring to figures 1, 2, 5 and 6,

there is provided a concealed hinge comprising: the left shell 11, the left support arm 12, the left functional shaft 13, the right shell 21, the right support arm 22, the right functional shaft 23, the left support arm 12 includes a left shaft 121 and a left plate 122 with a curved shape extending along the direction perpendicular to the axis of the left shaft 121, the right support arm 22 includes a right shaft 221 and a right plate 222 with a curved shape extending along the direction perpendicular to the axis of the right shaft 221, when the left shaft 121 and the right shaft 221 are parallel, the left plate 122 and the right plate 222 are complementary to each other, the middle part of the left plate 122 is hinged to the middle part of the right plate 222, the left shell 11 is connected to the left shaft 121, the right shell 21 is connected to the right shaft 221, the left functional shaft 13 capable of storing energy and discharging energy is arranged inside the left shell 11, the left functional shaft 13 is hinged to the end of the right plate 222, the right functional shaft 23 capable of storing energy and discharging energy is arranged inside the right shell 21, the right functional shaft 23 is hinged to the end of the left plate 122, the rotation of the right support arm 22 can store, the release of the left functional shaft 13 enables the right support arm 22 to be reset, the rotation of the left support arm 12 enables the right functional shaft 23 to store energy, and the release of the right functional shaft 23 enables the left support arm 12 to be reset.

In this embodiment, the number of the left plate may be more than one, and the number of the right plate may also be more than one.

The hinge comprises a left support arm, a right support arm, a left shell, a right shell, a left support arm, a right support arm, a left functional shaft, a right shaft, a left shaft, a right shell, a left end of the right support arm, a right shaft and a right shell, wherein the left shaft and the right shell are hinged together, the left and the right support arms are hinged together, and the functional shaft has the functions of energy storage and energy release, so that the functional shaft and the support arms are mutually controlled, and the movement of the hinge is. Simple structure, beautiful appearance and convenient installation.

The mode that this kind of pass through the through-hole with the axis, joint strength is better, and it is more convenient to produce, need not the mode of running through certainly, and the groove that does not run through is all opened to only several plates, stretches into two grooves through an axle, also can connect, reaches the effect of using. The manner of articulation between the components in the present invention may be interchanged in this manner.

the mode of the cavity mounting bracket in the shell can well hide parts in the shell, is concise and attractive in appearance, is more convenient to mount, and is also convenient to protect the parts.

the inside concrete mode that sets up the left function axle 13 that can energy storage and can put down of left side casing 11 does: one end of the left function shaft 13 is fixedly connected with one of the left lower through holes 1126, and the other end of the left function shaft 13 is in rolling connection with the other left lower through hole 1126. The fixed connection can be connected by a connecting sleeve, and the rolling connection can be connected by a rolling bearing.

One end of the function shaft is fixedly connected with the shell, and the other end of the function shaft is movably connected with the shell, so that the energy release of the function shaft can effectively transmit the kinetic energy to other parts, and the movement of the other parts can also cause the function shaft to store energy.

the specific mode that right casing 21 is inside to set up right function axle 23 that can energy storage and can put is: one end of the right functional shaft 23 is fixedly connected to one of the right lower through holes 2126, and the other end of the right functional shaft 23 is connected to the other right lower through hole 2126 in a rolling manner. The fixed connection can be connected by a connecting sleeve, and the rolling connection can be connected by a rolling bearing.

Example two:

Or, the two left through holes 1124 are left step holes recessed inwards, the heads of the step screws 24 are embedded in the left step holes, the step screws 24 and the left step holes form a matching structure which is movably connected in a screwing direction and moves synchronously in an axial direction, and the step screws 24 pass through the left step holes and are screwed into the left threaded holes 1112;

In the above embodiment, the left mounting plate and the right mounting plate may be fixedly connected to the door frame or the door leaf by screws. The upper and lower adjustable function about of hinge can the mirror image setting, just so can control the function about the casing setting of left side, and the right side casing sets up the function of reciprocating, perhaps controls the function about the casing setting of right side, and the casing setting of left side moves the function about. Generally, the vertical movement function is arranged on the shell on one side, and the horizontal movement function is arranged on the shell on the other side. As mentioned above, for example, since the left stepped hole is a long inwardly recessed hole, and since the left bracket 112 is accommodated in the cavity of the left housing 111 with a gap in the length direction from the cavity of the left housing 111, it means that the left bracket can move in the length direction in the cavity of the left housing, and the screw can still be screwed into the left threaded hole, and the inwardly recessed left stepped hole means that the head of the screw can sink into the left stepped hole without being exposed, which is beautiful on one hand, and on the other hand, the closing smoothness of the two side housings and the distance between the two side housings after being closed cannot be affected by the protrusion of the head of the screw. The relative position of the left support relative to the left shell can be moved by loosening the screws, when the left shell is higher than the right shell in the length direction, the fact that the door leaf connected with the left shell is lifted in the vertical direction is meant, the left support can move downwards, the relative position of the left support and the right support is kept unchanged, and the door frame connected with the right shell where the right support is located does not need to be additionally provided with a groove for installing hinges, so that the up-and-down adjustment of the door leaf is realized, and the size of the upper door seam and the lower door seam of the door leaf and the door frame is changed.

The function realization of door leaf left and right adjustment shows that: because the step screw is a matched structure which is movably connected in a rotating direction and synchronously moves in the axial direction with the right step hole, the depth of the right bracket embedded into the inner cavity of the right shell can be changed by rotating the screwing depth of the adjusting rod part of the step screw, so that the relative distance between the left shell and the right shell is variable, the left and right adjustment of the door leaf is realized, and the left and right door seams of the door leaf and the door frame are changed.

The above advantages of the above implementation of the door leaf up and down adjustment to change the size of the up and down door gap between the door leaf and the door frame and the implementation of the door leaf left and right adjustment to change the size of the left and right door gap between the door leaf and the door frame are that the user can implement such an adjustment by himself or the first installation without having to additionally slot the door leaf or the door frame for such an adjustment and additionally expend the associated service costs.

Further, the structures of the left functional shaft 13 and/or the right functional shaft 23 are specifically as follows: the outer sleeve 6 is in a round tube shape as a whole, an inner cavity of an upper pipe orifice of the outer sleeve 6 is fixedly embedded with an upper sealing cover 81 in a cylindrical shape, an inner hole of the upper sealing cover 81 is penetrated with a central shaft 9, the upper end part of the central shaft 9 is protruded out of the upper pipe orifice of the outer sleeve, a flange 91 is arranged at the upper middle part of the central shaft, a rolling bearing 10 is arranged between the central shaft 9 and the inner wall of the upper sealing cover 81, a plurality of steel balls are arranged between the upper end surface of the flange 91 and the lower end surface of the upper sealing cover 81, a piston 82 is embedded in an inner cavity of the middle lower part of the outer sleeve 6, the piston 82 is in a cylindrical shape, the lower part of the central shaft 9 is inserted into an inner hole of the piston 82, the central shaft 9 and the piston 82 form a matching structure with axial sliding connection and synchronous rotation, two spiral sliding chutes 821 are axially symmetrically arranged on the barrel body of the piston 82, the pressure spring 94 is sleeved on the column body of the central shaft 9 between the lower end surface of the flange 91 and the upper end surface of the cylinder body of the piston 82, the cylindrical lower sealing cover 83 is fixedly embedded in the inner cavity of the lower pipe orifice of the outer sleeve 6, and the reducing part 831 of the lower sealing cover 83 is protruded from the lower pipe orifice of the outer sleeve 6.

Example three:

Further, the concrete structure of hydraulic buffer gear is: the bottom of the piston 82 is provided with a one-way valve 822, a first sealing ring 62 is arranged between the outer wall of the upper sealing cover 81 and the inner wall of the outer sleeve 6, a second sealing ring 63 is arranged between the inner hole wall of the upper sealing cover 81 and the outer part of the column body of the central shaft 9, the column body of the transverse shaft 92 is sleeved with a sliding sleeve 84 in a circular tube shape, the outer column body of the outer sleeve 6 is sleeved with an annular sealing sleeve 64, the sealing sleeve 64 covers two transverse shaft embedding holes 61, an upper sealing ring 65 and a lower sealing ring 66 are arranged between the sealing sleeve 64 and the outer sleeve 6, the upper sealing ring 65 is positioned above the transverse shaft 92, the lower sealing ring 66 is positioned below the transverse shaft 92, a third sealing ring 67 is arranged between the outer wall of the lower sealing cover 83 and the inner wall of the outer sleeve 6, an inner hole of the lower sealing cover is screwed with a speed regulating oil needle 85 in a column shape, the upper section column body of the speed regulating oil needle 85 extends into the inner hole at the bottom, a fifth seal ring 69 is provided between the lower portion of the outer wall of the cylinder of the piston 82 and the inner wall of the outer tube 6, a space between the lower end surface of the check valve 822 and the inner end surface of the lower cover 83 is a pressure receiving oil chamber 600, and a space between the upper end surface of the check valve 822 and the inner end surface of the upper cover 81 is an oil storage chamber 601.

The hidden hinge has one outer casing embedded inside the door frame and the other door leaf embedded inside the door, and has inside section as shown in FIG. 4, right and left casings opposite to each other, driving shaft embedded in the right and left supports, piston inside the hinge in the position near the lower sealing cover, left and right casings separated from each other along the middle shaft, right and left support arms hinged to the middle shaft, and driving shaft to rotate around the fixed shaft and pull out the other end of the support, and the driving shaft to drive the perforated rocker arm and the outer sleeve to rotate outwards along the axis of the functional shaft, the transverse shaft with two ends embedded inside the outer sleeve to rotate and slide in the inclined section of the piston to move the piston axially, the compression pressure spring moves upwards in the axial direction of the piston to store energy, the valve body of the one-way valve leaves the bottom of the piston cylinder, and the one-way valve forms a passage, so that hydraulic oil in the functional shaft flows from the oil storage cavity to the pressure-bearing oil cavity through the one-way valve, as shown in fig. 6. When external force for opening the door is removed, the pressure spring releases pressure to push the piston to move forward, the cross shaft is rotated under the action of an inclined section of the piston spiral sliding groove, the outer sleeve of the functional shaft and the perforated rocker arm are driven to reset and rotate, the perforated rocker arm pulls the support arm to reset inwards through the driving shaft, automatic closing is achieved, when the piston resets and moves downwards, due to the fact that the valve body of the one-way valve is attached to the piston to form sealing, hydraulic oil in the pressurized oil cavity flows to the oil storage cavity through a gap between the speed regulating oil needle and the oil passing hole in the bottom of the piston cylinder, the size of the gap between the speed regulating oil needle and the oil passing hole of the piston is changed by adjusting the inserting amount of the speed regulating oil needle, the flow of the hydraulic oil flowing to the oil.

When the cross shaft slides to the horizontal section of the spiral chute of the piston, the piston does not move axially, the pressure released by the pressure spring cannot drive the cross shaft, so that the hinge can stay under the condition, the bayonet is arranged on the horizontal section to be clamped with the cross shaft, and the hinge also generates a door suction function at the angle correspondingly.

The hidden hinge provided by the embodiment of the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying a specific example, and the description of the above embodiment is only used to help understand the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A concealed hinge, comprising: the energy-saving and energy-saving type multifunctional support comprises a left shell (11), a left support arm (12), a left functional shaft (13), a right shell (21), a right support arm (22) and a right functional shaft (23), wherein the left support arm (12) comprises a left shaft part (121) and a left plate (122) which is in a bent shape and extends along the direction perpendicular to the axis of the left shaft part (121), the right support arm (22) comprises a right shaft part (221) and a right plate (222) which is in a bent shape and extends along the direction perpendicular to the axis of the right shaft part (221), when the left shaft part (121) is parallel to the right shaft part (221), the left plate (122) and the right plate (222) are in a staggered and complementary mode, the middle part of the left plate (122) is hinged to the middle part of the right plate (222), the left shell (11) is connected with the left shaft part (121), the right shell (21) is connected with the right shaft part (221), the left functional shaft (13) which can store energy and release energy is, left side function axle (13) with the tip of right plate (222) is articulated mutually, the inside right function axle (23) that can the energy storage and put the ability that sets up of right casing (21), right side function axle (23) with the tip of left plate (122) is articulated mutually, the rotation of right side support arm (22) enables left side function axle (13) energy storage, the ability of putting of left side function axle (13) makes right side support arm (22) reset, the rotation of left side support arm (12) enables right side function axle (23) energy storage, the ability of putting of right side function axle (23) makes left side support arm (12) reset.

2. A hidden hinge as claimed in claim 1, characterised in that the middle of said left panel (122) is hinged to the middle of said right panel (222) in such a way that: the middle part of the left plate (122) is provided with a left plate middle through hole, the middle part of the right plate (222) is provided with a right plate middle through hole, and when the left plate (122) and the right plate (222) are alternatively complemented, a central shaft (1) penetrates through the left plate middle through hole and the right plate middle through hole.

3. A hidden hinge as claimed in claim 1 or 2, wherein the left shell (11) comprises a left shell (111), a left bracket (112), the left shell (111) is provided with a cavity for receiving the left bracket (112), the left shell (111) has a left mounting plate (1111) extending out from each end, the left bracket (112) comprises a left bottom plate (1121), each of the left bottom plate (1121) has a left side plate 1122 (1122) extending upward from the end of the left bottom plate (1121) at each end, each of the two left side plates (1122) has a left flange plate (1123) extending horizontally from each end, each of the two left mounting plates (1111) has a step surface near the cavity, each of the step surfaces has a left threaded hole (1112), each of the two step surfaces is used for receiving two left flange plates (1123) on the left bracket (112), the two left flange plates (1123) are respectively provided with a left through hole (1124), and the two left side plates (1122) are provided with an upper left through hole (1125) and a lower left through hole (1126) from top to bottom in a mirror image mode;

the left housing (11) and the left shaft (121) are connected in a specific manner: the left shaft part (121) comprises a left shaft part through hole, a left fixing shaft (2) penetrates through the left shaft part through hole, and two ends of the left fixing shaft (2) are embedded in the two left upper through holes (1125);

the concrete mode that left side casing (11) inside set up left function axle (13) that can energy storage and can put is: one end of the left function shaft (13) is fixedly connected with one left lower through hole (1126), and the other end of the left function shaft (13) is in rolling connection with the other left lower through hole (1126).

4. A hidden hinge as claimed in claim 3, wherein the right shell (21) comprises a right outer shell (211) and a right bracket (212), the right outer shell (211) is provided with a cavity for accommodating the right bracket (212), each of the two ends of the right outer shell (211) has a right mounting plate (2111) extending out, the right bracket (212) comprises a right bottom plate (2121), each of the two ends of the right bottom plate (2121) has a right side plate (2122) extending upwards from the end of the right bottom plate (2121), each of the two ends of the right side plate (2122) has a right flange plate (2123) extending out horizontally, each of the two right mounting plates (2111) has a step surface near the cavity, each of the two step surfaces has a right threaded hole (2112), each of the two step surfaces is used for accommodating two right flange plates (2123) on the right bracket (212), the two right flange plates (2123) are respectively provided with a right through hole, and the two right side plates (2122) are provided with a right upper through hole (2125) and a right lower through hole (2126) from top to bottom in a mirror image manner;

the right housing (21) is connected to the right shaft (221) in the following specific manner: the right shaft part (221) comprises a right shaft part through hole, a right fixing shaft (3) penetrates through the right shaft part through hole, and two ends of the right fixing shaft (3) are embedded in the two right upper through holes (2125);

the concrete mode that right casing (21) inside set up right function axle (23) that can energy storage and can put is: one end of the right functional shaft (23) is fixedly connected with one of the right lower through holes (2126), and the other end of the right functional shaft (23) is in rolling connection with the other right lower through hole (2126).

5. The concealed hinge according to claim 4, wherein two of said left through holes (1124) are elongated, inwardly recessed left stepped holes, screws (14) are used to pass through said left stepped holes and screw into said left threaded holes (1112), and said left bracket (112) is received in the cavity of said left housing (111) with a gap in the length direction from the cavity of said left housing (111);

the two right through holes (2124) are inwards recessed right step holes, the heads of the step screws (24) are embedded in the right step holes, the step screws (24) and the right step holes form a matching structure which is movably connected in a screwing direction and moves synchronously in an axial direction, and the step screws (24) pass through the right step holes and are screwed into the right threaded holes (2112).

6. The concealed hinge according to claim 4, wherein the two left through holes (1124) are left stepped holes recessed inwards, the heads of step screws (24) are embedded in the left stepped holes, the step screws (24) and the left stepped holes form a matching structure which is movably connected in a screwing direction and moves synchronously in an axial direction, and the step screws (24) pass through the left stepped holes and are screwed into the left threaded holes (1112);

the two right through holes (2124) are long and inwards recessed right stepped holes, screws (14) are used for passing through the right stepped holes and screwed into the right threaded holes (2112), and the right bracket (212) is accommodated in the cavity of the right shell (211) in a mode that a gap exists between the right bracket and the cavity of the right shell (211) in the length direction.

7. The concealed hinge according to claim 4,

the specific mode that the end part of the left functional shaft (13) and the end part of the right plate (222) are hinged is as follows: the left functional shaft (13) comprises an outer sleeve (6), two ends of the outer sleeve (6) are respectively provided with a perforated rocker arm (7), the end part of the right plate (222) is provided with a right plate end through hole, and a left driving shaft (4) penetrates through the right plate end through hole and the perforated rocker arm (7);

the specific mode that the right functional shaft (23) is hinged with the end part of the left plate (122) is as follows: the right functional shaft (23) comprises an outer sleeve (6), two ends of the outer sleeve (6) are respectively provided with a perforated rocker arm (7), the end part of the left plate (122) is provided with a left plate end through hole, and a right driving shaft (5) penetrates through the left plate end through hole and the perforated rocker arm (7).

8. The concealed hinge according to claim 7, wherein said left functional shaft (13) and/or said right functional shaft (23) have a structure in particular: the outer sleeve (6) is integrally in a circular tube shape, an upper sealing cover (81) of an inner hole is fixedly embedded in an inner cavity of an upper pipe opening of the outer sleeve (6), a central shaft (9) penetrates through the inner hole of the upper sealing cover (81), the upper end portion of the central shaft (9) is protruded from an upper pipe opening of the outer sleeve, a flange (91) is arranged on an upper middle column body of the central shaft (9), a rolling bearing (10) is arranged between the central shaft (9) and the inner wall of the upper sealing cover (81), a plurality of steel balls are arranged between the upper end face of the flange (91) and the lower end face of the upper sealing cover (81), a piston (82) is embedded in an inner cavity of the middle lower portion of the outer sleeve (6), the piston (82) is in a cylindrical shape, the lower column body of the central shaft (9) is inserted into the inner hole of the piston (82), and the central shaft (9) and the piston (82) form an axial sliding connection, two spiral chute (821) have been seted up to the stack shell axial symmetry of piston (82), and cross axle (92) pass two spiral chute (821) on the piston, the both ends of cross axle (92) are inlayed and are opened symmetrically in two cross axle inlay holes (61) on outer tube (6), center pin (9) are located the lower terminal surface of flange (91) extremely column body cover between the stack shell up end of piston (82) is equipped with pressure spring (94), the orificial inner chamber of lower part of outer tube (6) is fixed to be inlayed and is equipped with lower closing cap (83) that are the hole, reducing portion (831) of closing cap (83) are prominent in the orificial lower part of outer tube (6).

9. A hidden hinge as claimed in claim 8, characterized in that said spiral chute (821) comprises an inclined section inclined with respect to the axis of said central shaft (9) and a horizontal section perpendicular to the axis of said central shaft (9).

10. A hidden hinge as claimed in claim 8, characterised in that said one end of said left functional shaft (13) is fixedly connected to one of said lower left through holes (1126) in such a way that: the central shaft (9) is protruded from the upper end part of the upper pipe orifice of the outer sleeve (6) and is fixedly connected with one of the left lower through holes (1126) through a connecting sleeve;

the other end of the left functional shaft (13) is in rolling connection with the other left lower through hole (1126): the reducing part (831) of the lower sealing cover (83) is in rolling connection with the other left lower through hole (1126) through a rolling bearing;

the specific mode that one end of the right functional shaft (23) is fixedly connected with one of the right lower through holes (2126) is as follows: the central shaft (9) is protruded from the upper end part of the upper pipe orifice of the outer sleeve (6) and is fixedly connected with one of the right lower through holes (2126) through a connecting sleeve;

the other end of the right functional shaft (23) is in rolling connection with the other right lower through hole (2126) in a specific mode that: the reducing portion (831) of the lower sealing cover (83) is in rolling connection with the other right lower through hole through a rolling bearing.

11. The concealed hinge according to any one of claims 8, 9 and 10, wherein said left functional shaft (13) and/or said right functional shaft (23) further comprise hydraulic damping means.

12. The concealed hinge according to claim 11, wherein said hydraulic buffer mechanism is specifically configured as: a one-way valve (822) is arranged at the bottom of the piston (82), a first sealing ring (62) is arranged between the outer wall of the upper sealing cover (81) and the inner wall of the outer sleeve (6), a second sealing ring (63) is arranged between the inner hole wall of the upper sealing cover (81) and the outside of the column body of the central shaft (9), the column body of the transverse shaft (92) is sleeved with a tubular sliding sleeve (84), an annular sealing sleeve (64) is sleeved on the outer column body of the outer sleeve (6), the sealing sleeve (64) covers two transverse shaft embedding holes (61), an upper sealing ring (65) and a lower sealing ring (66) are arranged between the sealing sleeve (64) and the outer sleeve (6), the upper sealing ring (65) is positioned above the transverse shaft (92), the lower sealing ring (66) is positioned below the transverse shaft (92), a third sealing ring (67) is arranged between the outer wall of the lower sealing cover (83) and the inner wall of the outer sleeve, the hole spiral shell dress of lower closing cap is columnar speed governing oil needle (85), the upper segment shaft of speed governing oil needle (85) stretches into the hole at the bottom of the tube of piston (82), the lower section shaft outside of speed governing oil needle (85) with set up fourth sealing washer (68) between the hole wall of lower closing cap (83), the shaft outer wall below of piston (82) with set up fifth sealing washer (69) between the inner wall of outer tube (6), the lower terminal surface of check valve (822) extremely space between the interior terminal surface of lower closing cap (83) is pressurized oil pocket (600), the up end of check valve (822) extremely space between the interior terminal surface of upper closing cap (81) is oil storage chamber (601).