CN223374255U - Buffer assembly and buffer hinge - Google Patents

Buffer assembly and buffer hinge

Info

Publication number
CN223374255U
CN223374255U CN202422620837.8U CN202422620837U CN223374255U CN 223374255 U CN223374255 U CN 223374255U CN 202422620837 U CN202422620837 U CN 202422620837U CN 223374255 U CN223374255 U CN 223374255U
Authority
CN
China
Prior art keywords
sleeve
buffer
assembly according
post
hinge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202422620837.8U
Other languages
Chinese (zh)
Inventor
张福波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Jinfudi Intelligent Technology Co ltd
Original Assignee
Zhongshan Jinfudi Intelligent Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongshan Jinfudi Intelligent Technology Co ltd filed Critical Zhongshan Jinfudi Intelligent Technology Co ltd
Priority to CN202422620837.8U priority Critical patent/CN223374255U/en
Application granted granted Critical
Publication of CN223374255U publication Critical patent/CN223374255U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Vibration Dampers (AREA)
  • Springs (AREA)

Abstract

本实用新型提供一种缓冲组件及缓冲合页,其中的缓冲组件包括第一套管、第二套管、弹性件、传动柱、导向柱和阻尼器,第一套管的外壁设有转动导向槽,转动导向槽绕第一套管的外壁螺旋设置;第二套管能相对于第一套管转动;弹性件设于第二套管;传动柱通过弹性件连接于第二套管并能沿第二套管的轴向运动;导向柱连接于传动柱,导向柱的两端沿传动柱的径向延伸并插接于转动导向槽;阻尼器设于第一套管,阻尼器的活动轴抵接于传动柱。本实用新型的缓冲组件及缓冲合页,生产加工工艺简易,使用寿命长,适应性好,使用起来更方便。

The utility model provides a buffer assembly and a buffer hinge, wherein the buffer assembly includes a first sleeve, a second sleeve, an elastic member, a transmission column, a guide column, and a damper. The outer wall of the first sleeve is provided with a rotation guide groove, which is spirally arranged around the outer wall of the first sleeve; the second sleeve can rotate relative to the first sleeve; the elastic member is provided on the second sleeve; the transmission column is connected to the second sleeve via the elastic member and can move along the axial direction of the second sleeve; the guide column is connected to the transmission column, and both ends of the guide column extend radially along the transmission column and are inserted into the rotation guide groove; the damper is provided on the first sleeve, and the movable shaft of the damper abuts against the transmission column. The buffer assembly and buffer hinge of the utility model have simple production and processing technology, long service life, good adaptability, and are more convenient to use.

Description

Buffer assembly and buffer hinge
Technical Field
The utility model relates to the technical field of buffers, in particular to a buffer assembly and a buffer hinge.
Background
Among the current hinges, buffering hinge is a special hinge, and its main characteristics has added buffer gear in the hinge inside, can reduce collision force through slowing down closing speed when two parts are closed to realize the buffering effect.
According to the difference of buffering mode, the buffering hinge can be divided into multiple types, and the comparatively common hydraulic buffering hinge that is, at present hydraulic buffering hinge is general for built-in oil circuit, and the inside oil circuit reset member of hydraulic buffering hinge is all established in same cavity with hydraulic buffering mechanism's component, and reset member is because of the oil circuit that the hydraulic buffering was blockked up easily to the foreign matter that the motion wearing and tearing produced in the use, leads to the product to damage easily, and product inner structure complicacy leads to the product volume great moreover, is difficult to with door leaf coordination, and it is inconvenient to use.
Disclosure of utility model
The utility model aims to provide a buffer assembly and a buffer hinge, which aim to solve the problems that the existing buffer hinge is easy to damage, short in service life and inconvenient to use due to difficulty in coordination with a door leaf.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
in a first aspect, there is provided a cushioning assembly comprising:
the outer wall of the first sleeve is provided with a rotary guide groove which is spirally arranged around the outer wall of the first sleeve;
a second sleeve rotatable relative to the first sleeve;
The elastic piece is arranged on the second sleeve;
The transmission column is connected to the second sleeve through the elastic piece and can move along the axial direction of the second sleeve;
The guide post is connected with the transmission post, and two ends of the guide post extend along the radial direction of the transmission post and are inserted into the rotary guide groove;
And the damper is arranged on the first sleeve, and the movable shaft of the damper is abutted to the transmission column.
Optionally, the rotation guide groove includes a spiral section and a horizontal section, the spiral section is spirally arranged around the outer wall of the first sleeve, the horizontal section is arranged along Zhou Xiangrao of the first sleeve and the outer wall of the first sleeve, the projection of the spiral section along the axial direction of the first sleeve is a quarter arc, and the projection of the horizontal section along the axial direction of the first sleeve is a quarter arc.
Optionally, the number of the rotation guide grooves is two, two ends of the guide post extend along the radial direction of the transmission post and are respectively inserted into the two rotation guide grooves, and the two rotation guide grooves are arranged in a central symmetry manner relative to the axis of the first sleeve.
Optionally, the second sleeve is provided with a linking part, the linking part is inserted in the first sleeve, and an avoidance hole for the guide post to pass through is formed in the outer wall of the linking part.
Optionally, the buffer assembly further comprises a first adjusting member which is in threaded connection with the first sleeve and can be abutted against one end of the damper, which is far away from the second sleeve.
Optionally, an end of the first adjusting member, which is far away from the second sleeve, is provided with an inner hexagonal hole.
Optionally, the buffer assembly further comprises a second adjusting member, wherein the second adjusting member is in threaded connection with the second sleeve and can be abutted against one end, away from the first sleeve, of the elastic member.
Optionally, an end of the second adjusting member, which is far away from the first sleeve, is provided with an inner hexagonal hole.
In a second aspect, a buffer hinge is provided, including a first connecting piece, a second connecting piece and the buffer assembly described above, where the first connecting piece has a first fixing portion and a first rotating portion, the first fixing portion is connected to the first sleeve and cannot rotate relative to the first sleeve, the first rotating portion is rotationally connected to the second sleeve, the second connecting piece has a second fixing portion and a second rotating portion, the second fixing portion is connected to the second sleeve and cannot rotate relative to the second sleeve, and the second rotating portion is rotationally connected to the first sleeve.
Optionally, the buffer hinge further includes a plurality of bearing rings, a plurality of the bearing rings are arranged between the first connecting piece and the second connecting piece at intervals, and a plurality of the bearing rings are sleeved on the first sleeve and the second sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
1. In the buffer assembly provided by the utility model, the first sleeve and the second sleeve are mainly used for connecting two connecting pieces of a hinge, the first sleeve and the second sleeve can realize the rotation function of the whole hinge in a mutual rotation mode, as the first sleeve is provided with the spirally arranged rotating guide groove, and the second sleeve is internally provided with the transmission column and the guide column, when the second sleeve is rotated, the guide column can move along the rotating guide groove so as to drive the transmission column to rotate and move, in particular, the hinge is turned from closing to opening, the second sleeve is rotated, the guide column can move along the rotating guide groove, the transmission column can be driven to move towards the direction of the elastic piece while rotating, at the moment, the elastic piece can be in a compression state, the hinge is turned from opening to closing, the guide column can move along the rotating guide groove, the transmission column can be driven to move towards the first sleeve while rotating, the elastic piece can release own elastic potential energy, the transmission column can be pushed to move towards the first sleeve, the transmission column can drive the movable shaft of the damper to move, and the damper can counteract part of the elastic potential energy of the elastic element, so that the transmission column can be driven to move towards the direction of the elastic element, the elastic potential energy of the elastic element, the transmission column can be driven to move towards the elastic element, the elastic element can be more easily, the elastic potential energy of the elastic element, the elastic element can be well, the buffer assembly can be more easily, the buffer mechanism can be realized, and the door leaf can not be more easily, and can be more easily realized, and has a long-life buffer mechanism can be more easily, and can be more easily realized, and can be used, and the buffer assembly can be more easily, and can be used, and can be more easily, and can be used can realize a buffer.
2. According to the buffer hinge provided by the utility model, the buffer assembly is adopted, so that a good buffer effect can be provided for the mutual rotation between the first connecting piece and the second connecting piece, the buffer effect is better, the applicability is better, and the use is more convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a cushioning assembly according to the present utility model;
FIG. 2 is a cross-sectional view of a cushioning assembly of the present utility model
FIG. 3 is an exploded view of the cushioning assembly of the present utility model;
FIG. 4 is a schematic view of the structure of a first sleeve of the cushioning assembly of the present utility model;
fig. 5 is a schematic structural view of the buffering hinge of the present utility model.
In the figure, 1, a first sleeve; 11, a rotation guide groove, 111, a spiral section, 112, a horizontal section, 2, a second sleeve, 21, a connecting part, 211, an avoidance hole, 22, a connecting part, 3, an elastic piece, 4, a transmission column, 5, a guide column, 6, a damper, 7, a first adjusting piece, 8, a second adjusting piece, 9, a first connecting piece, 91, a first fixing part, 92, a first rotating part, 10, a second connecting piece, 101, a second fixing part, 102 and a second rotating part.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
The cushioning assembly and the cushioning hinge of the present utility model are described below in conjunction with fig. 1-5.
As shown in fig. 1 to 4, the utility model provides a buffer assembly, which comprises a first sleeve 1, a second sleeve 2, an elastic element 3, a transmission column 4, a guide column 5 and a damper 6, wherein the outer wall of the first sleeve 1 is provided with a rotary guide groove 11, the rotary guide groove 11 is spirally arranged around the outer wall of the first sleeve 1, the second sleeve 2 can rotate relative to the first sleeve 1, the elastic element 3 is arranged on the second sleeve 2, the transmission column 4 is connected with the second sleeve 2 through the elastic element 3 and can move along the axial direction of the second sleeve 2, the guide column 5 is connected with the transmission column 4, two ends of the guide column 5 extend along the radial direction of the transmission column 4 and are inserted into the rotary guide groove 11, the damper 6 is arranged on the first sleeve 1, and a movable shaft of the damper 6 is abutted against the transmission column 4.
For convenience of explanation, in the present embodiment, various orientations are shown in fig. 1, and specifically, the first sleeve 1 is located on the upper side of the second sleeve 2.
In the buffer assembly that this embodiment provided, first sleeve pipe 1 and second sleeve pipe 2 mainly are used for connecting two connecting pieces of hinge, first sleeve pipe 1 and second sleeve pipe 2 can realize the rotation function of whole hinge through the mode of mutual rotation, because first sleeve pipe 1 is equipped with the rotation guide way 11 of spiral setting, and be equipped with transmission post 4 and guide post 5 in the second sleeve pipe 2, during rotation second sleeve pipe 2, guide post 5 can remove along rotation guide way 11, thereby drive transmission post 4 rotation and removal, specifically, the hinge is from closing to the in-process of opening, rotate second sleeve pipe 2, guide post 5 can remove along rotation guide way 11, can drive transmission post 4 and remove in the direction of elastic component 3 when rotatory, at this moment elastic component 3 can be in compression state, the hinge is from opening to the in-process of closing, rotate second sleeve pipe 2, guide post 5 can remove along rotation guide way 11, can drive transmission post 4 and remove in the direction of first sleeve pipe 1, during rotation, elastic component 3 just can release self elastic potential energy, drive transmission post 4 and remove in the direction of first sleeve 4, thereby drive transmission post 4 and remove 6, the damping mechanism is better in the utility model, can not be realized in the way, the damping mechanism is easy to realize, the utility model, the damping mechanism is more suitable for the realization of the hydraulic pressure, the damping mechanism is more easy to realize, the utility model, the damping mechanism is more suitable for the realization of the whole hydraulic pressure, the problem is easy to be used, and can not easy to realize, and the damping mechanism is easy to realize, and can be suitable for the realization.
In this embodiment, the elastic member 3 is a spring, which can provide stable elastic force, and in some embodiments, the elastic member 3 may also be an elastic member such as a spring plate or a rubber block.
In some embodiments, the rotation guide groove 11 includes a spiral section 111 and a horizontal section 112, the spiral section 111 is spirally disposed around the outer wall of the first sleeve 1, the horizontal section 112 is disposed around the outer wall of the first sleeve 1 in the circumferential direction of the first sleeve 1, the projection of the spiral section 111 in the axial direction of the first sleeve 1 is a quarter arc, and the projection of the horizontal section 112 in the axial direction of the first sleeve 1 is a quarter arc.
Specifically, through setting up screw section 111 can make guide post 5 and drive post 4 carry out reciprocating in pivoted in, the hinge can not reciprocate in the in-process of opening from closing, the elastic component 3 can be in the compression state this moment in the time, if not setting up horizontal section 112, after rotating, the elasticity of elastic component 3 can make drive post 4 upwards immediately, the state that just can not keep opening this moment of hinge, the door and window just can not keep opening this moment, it is inconvenient to use, and through setting up horizontal section 112 parallel with the horizontal plane, guide post 5 can enter into horizontal section 112 from inclined screw section 111, at this moment, guide post 5 just can not reciprocate, namely drive post 4 also can not reciprocate, therefore, the elasticity of elastic component 3 just can not drive post 4 upwards this moment, the state that can keep opening this moment, namely door and window just can keep opening this moment, when needing to close the hinge, can promote door and window by hand, it can drive guide post 5 rotation to use second sleeve pipe 2, guide post 5 just can drive from horizontal section 111 to get into horizontal section 112, it is more convenient to use, it can not accomplish the door and window to promote the elasticity of elastic component 3 again, it can conveniently use to accomplish the door and window to drive.
In some embodiments, the number of the rotation guide grooves 11 is two, two ends of the guide post 5 extend along the radial direction of the transmission post 4 and are respectively inserted into the two rotation guide grooves 11, and the two rotation guide grooves 11 are arranged in a central symmetry manner with respect to the axis of the first sleeve 1, so that the guiding effect is better.
In some embodiments, the second sleeve 2 is provided with a connecting portion 21, the connecting portion 21 is inserted into the first sleeve 1, an avoidance hole 211 through which the guide post 5 passes is formed in the outer wall of the connecting portion 21, the second sleeve 2 can keep a relative rotation state under the condition that the second sleeve 2 is not separated from the first sleeve 1 by arranging the connecting portion 21, and the guide post 5 can be driven to rotate when the second sleeve 2 rotates by arranging the avoidance hole 211, so that the transmission post 4 is driven to rotate, and the rotation is smoother.
Specifically, the second sleeve 2 is further provided with a connecting portion 22, the connecting portion 22 is in threaded connection with the upper end of the second sleeve 2, the connecting portion 21 is connected with the connecting portion 22, and the connecting portion 21 is mounted on the second sleeve 2 through the connecting portion 22, so that the dismounting and the mounting are convenient.
In some embodiments, the buffering assembly further includes a first adjusting member 7, the first adjusting member 7 is in threaded connection with the first sleeve 1 and can be abutted against one end of the damper 6 away from the second sleeve 2, when damping force of the damper 6 needs to be adjusted, the first adjusting member 7 can be screwed by a tool, so that the position of the first adjusting member 7 in the first sleeve 1 is changed, and then the position of the damper 6 can be adjusted, so that damping force of the damper 6 is adjusted, and adjustment is more convenient.
In some embodiments, the end of the first adjusting member 7 remote from the second sleeve 2 is provided with a hexagonal hole, which is more convenient to adjust.
In some embodiments, the buffer assembly further includes a second adjusting member 8, where the second adjusting member 8 is screwed to the second sleeve 2 and can be abutted to an end of the elastic member 3 away from the first sleeve 1, and when the elastic strength of the spring needs to be adjusted, a tool can be used to twist the second adjusting member 8, so that the position of the second adjusting member 8 in the second sleeve 2 is changed, and the compression amplitude of the elastic member 3 can be adjusted, so that the pushing force of the elastic member 3 to the rotating shaft core, that is, the force and the speed when the hinge is closed, can be adjusted more conveniently.
In some embodiments, the end of the second adjusting member 8 remote from the first sleeve 1 is provided with a hexagonal hole, which is more convenient to adjust.
As shown in fig. 5, the present utility model further provides a buffer hinge, which includes a first connecting member 9, a second connecting member 10, and the buffer assembly described above, wherein the first connecting member 9 has a first fixing portion 91 and a first rotating portion 92, the first fixing portion 91 is connected to the first sleeve 1 and cannot rotate relative to the first sleeve 1, the first rotating portion 92 is rotatably connected to the second sleeve 2, the second connecting member 10 has a second fixing portion 101 and a second rotating portion 102, the second fixing portion 101 is connected to the second sleeve 2 and cannot rotate relative to the second sleeve 2, and the second rotating portion 102 is rotatably connected to the first sleeve 1.
In the buffer hinge provided by the utility model, the buffer assembly is adopted, so that a good buffer effect can be provided for the mutual rotation between the first connecting piece 9 and the second connecting piece 10, the buffer effect is better, the applicability is better, and the use is more convenient.
In some embodiments, the buffer hinge further comprises a plurality of bearing rings, the bearing rings are arranged between the first connecting piece 9 and the second connecting piece 10 at intervals, the bearing rings are sleeved on the first sleeve 1 and the second sleeve 2, and the bearing rings rotate smoothly.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.

Claims (10)

1. A cushioning assembly, comprising:
The device comprises a first sleeve (1), wherein a rotary guide groove (11) is formed in the outer wall of the first sleeve (1), and the rotary guide groove (11) is spirally arranged around the outer wall of the first sleeve (1);
-a second sleeve (2), the second sleeve (2) being rotatable relative to the first sleeve (1);
An elastic piece (3), wherein the elastic piece (3) is arranged on the second sleeve (2);
A transmission column (4), wherein the transmission column (4) is connected to the second sleeve (2) through the elastic piece (3) and can move along the axial direction of the second sleeve (2);
The guide post (5), the said guide post (5) connects to the said transmission post (4), the both ends of the said guide post (5) extend and connect in the said rotary guide slot (11) along the radial direction of the said transmission post (4);
And the damper (6) is arranged on the first sleeve (1), and the movable shaft of the damper (6) is abutted to the transmission column (4).
2. The buffering assembly according to claim 1, characterized in that the rotation guide groove (11) comprises a spiral section (111) and a horizontal section (112), the spiral section (111) is spirally arranged around the outer wall of the first sleeve (1), the horizontal section (112) is arranged along the Zhou Xiangrao of the first sleeve (1) and the outer wall of the first sleeve (1), the projection of the spiral section (111) along the axial direction of the first sleeve (1) is a quarter arc, and the projection of the horizontal section (112) along the axial direction of the first sleeve (1) is a quarter arc.
3. Buffer assembly according to claim 2, characterized in that the number of the rotation guide grooves (11) is two, the two ends of the guide post (5) extend along the radial direction of the transmission post (4) and are respectively inserted into the two rotation guide grooves (11), and the two rotation guide grooves (11) are arranged in a central symmetry manner with respect to the axis of the first sleeve (1).
4. A buffer assembly according to claim 3, wherein the second sleeve (2) is provided with a connecting portion (21), the connecting portion (21) is inserted into the first sleeve (1), and an avoidance hole (211) through which the guide post (5) passes is formed in the outer wall of the connecting portion (21).
5. The cushion assembly according to claim 1, further comprising a first adjustment member (7), the first adjustment member (7) being threadedly connected to the first sleeve (1) and being abuttable to an end of the damper (6) remote from the second sleeve (2).
6. A damping assembly according to claim 5, characterized in that the end of the first adjustment member (7) remote from the second sleeve (2) is provided with an internal hexagonal hole.
7. The cushion assembly according to claim 1, further comprising a second adjustment member (8), the second adjustment member (8) being threadedly connected to the second sleeve (2) and being abuttable to an end of the resilient member (3) remote from the first sleeve (1).
8. A damping assembly according to claim 7, characterized in that the end of the second adjustment member (8) remote from the first sleeve (1) is provided with an internal hexagonal hole.
9. Buffer hinge, characterized in that it comprises a first connecting piece (9), a second connecting piece (10) and a buffer assembly according to any one of claims 1 to 8, said first connecting piece (9) having a first fixed portion (91) and a first rotating portion (92), said first fixed portion (91) being connected to said first sleeve (1) and being unable to rotate with respect to said first sleeve (1), said first rotating portion (92) being rotatably connected to said second sleeve (2), said second connecting piece (10) having a second fixed portion (101) and a second rotating portion (102), said second fixed portion (101) being connected to said second sleeve (2) and being unable to rotate with respect to said second sleeve (2), said second rotating portion (102) being rotatably connected to said first sleeve (1).
10. Buffer hinge according to claim 9, characterized in that it further comprises a plurality of bearing rings, a plurality of which are arranged between the first connecting piece (9) and the second connecting piece (10) at intervals, and a plurality of which are all sheathed on the first sleeve (1) and the second sleeve (2).
CN202422620837.8U 2024-10-29 2024-10-29 Buffer assembly and buffer hinge Active CN223374255U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202422620837.8U CN223374255U (en) 2024-10-29 2024-10-29 Buffer assembly and buffer hinge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202422620837.8U CN223374255U (en) 2024-10-29 2024-10-29 Buffer assembly and buffer hinge

Publications (1)

Publication Number Publication Date
CN223374255U true CN223374255U (en) 2025-09-23

Family

ID=97095568

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202422620837.8U Active CN223374255U (en) 2024-10-29 2024-10-29 Buffer assembly and buffer hinge

Country Status (1)

Country Link
CN (1) CN223374255U (en)

Similar Documents

Publication Publication Date Title
CN109972951B (en) Automatic turn-up door buffering hinge of opening and close
EP4293187B1 (en) Door hinge
CN106896686B (en) Power transmission device, photosensitive element and processing box
CN223374255U (en) Buffer assembly and buffer hinge
CN204571625U (en) A kind of two sections of power slide-in type buffer hinges
CN210685680U (en) Hinge mechanism and device
CN211258196U (en) Damping hinge
CN108979387B (en) Hinge with lifting and opening mechanism
CN209924710U (en) Pulley device and doors and windows
CN211549260U (en) Hinge structure with damping effect
CN220353651U (en) Hydraulic buffer hinge structure
CN221256481U (en) Functional shaft and hinge device
TWI879444B (en) Cooperation mechanism, foldable hinge and foldable electronic apparatus
CN222207587U (en) Heaven and Earth Hinge
CN211115182U (en) Lock door handle structure
CN223089150U (en) Buffer mechanism and buffer hinge
CN220081130U (en) Bathroom door hinge switch door stroke limiting mechanism and shower room
CN209891909U (en) Hinge with lifting opening mechanism
CN101718162B (en) Buffering method for using spring hinge and buffering hinge
CN214403146U (en) Adjustable upturning device
CN112727282B (en) Adjustable flip-up device
CN210483350U (en) Door hinge and freezer
CN117027572B (en) Hydraulic buffer hinge structure
CN223343876U (en) Heavy-duty top-bottom hinge with double buffers
CN223305579U (en) Automatic return hinge and door body

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant