WO2021082777A1 - Dispositif de culbuteur - Google Patents

Dispositif de culbuteur Download PDF

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Publication number
WO2021082777A1
WO2021082777A1 PCT/CN2020/115334 CN2020115334W WO2021082777A1 WO 2021082777 A1 WO2021082777 A1 WO 2021082777A1 CN 2020115334 W CN2020115334 W CN 2020115334W WO 2021082777 A1 WO2021082777 A1 WO 2021082777A1
Authority
WO
WIPO (PCT)
Prior art keywords
rocker arm
hole
gas spring
rotating shaft
arm device
Prior art date
Application number
PCT/CN2020/115334
Other languages
English (en)
Chinese (zh)
Inventor
肖珊珊
扈钧
谢超群
雷文斌
Original Assignee
深圳市科曼医疗设备有限公司
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 深圳市科曼医疗设备有限公司 filed Critical 深圳市科曼医疗设备有限公司
Publication of WO2021082777A1 publication Critical patent/WO2021082777A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand

Definitions

  • This application relates to the technical field of mechanical installation, in particular to a rocker arm device.
  • a rocker device as shown in Fig. 1, generally includes a base 1, a rocker 2, and a tray 3 that are hinged in sequence.
  • the base plays a fixed role, such as being fixed on a wall, and the tray is used to carry items such as TVs and monitors.
  • the object can be adjusted to a suitable height by adjusting the rotation angle of the rocker arm.
  • the existing rocker arm adjusting structure includes an adjusting rod 4A, an adjusting sleeve 4B fixed on the rocker arm 2, and a locking bolt 4C.
  • One end of the adjusting rod 4A is hinged on the base 1, and the other end is sleeved on the base 1.
  • a locking bolt 4C is used to lock and fix the adjusting rod 4A and the adjusting sleeve 4B.
  • the locking bolt 4C When the inclination angle of the rocker arm 2 needs to be adjusted, the locking bolt 4C is loosened, and after the rocker arm 2 is rotated to the target position, the locking bolt 4C is tightened to lock the adjusting rod 4A, and the adjusting rod 4A plays a supporting role.
  • the technical problem to be solved by this application is to provide a rocker arm device, which aims to solve the problem of inconvenient operation of the existing rocker arm device and easy shaking after locking.
  • this application implements a rocker arm device, which includes a base, a rocker arm, and a tray.
  • One end of the rocker arm is hinged to the base through a first mounting shaft, and the other end passes through a first mounting shaft.
  • the second mounting shaft is hinged on the tray, and further includes:
  • the reciprocating movement assembly is arranged on the side of the rocker arm close to the tray through a rotating shaft, and performs reciprocating motion with the rotation of the rotating shaft;
  • the gas spring includes a fixed part, a telescopic part, and a thimble connected in sequence, the fixed part is hinged with the base through a third mounting shaft, the telescopic part is fixed on the rocker arm, and the reciprocating component acts On the thimble, it is used to lock or unlock the gas spring;
  • first installation shaft, the second installation shaft, the rotation shaft and the third installation shaft are arranged in parallel.
  • rocker arm device further includes:
  • the U-shaped guide block is provided with a mounting hole transversely penetrating the two side walls and a guide through hole longitudinally penetrating the bottom.
  • the rotating shaft penetrates the mounting hole and is rotatable relative to the U-shaped guide block.
  • the reciprocating movement assembly Facing the guide through hole;
  • the telescopic part passes through the guide through hole and abuts on the guide through hole through a shaft shoulder.
  • rocker arm device further includes:
  • the sleeve has two ends fixed on the rocker arm, and a second through hole is opened on the sleeve wall facing the guide through hole in the middle; the U-shaped guide block is fixed on the sleeve through the mounting hole on;
  • the rotating shaft is rotatably sleeved in the sleeve relative to the sleeve, and the reciprocating assembly is located in the sleeve and acts on the thimble of the gas spring through the second through hole.
  • the reciprocating motion component is an eccentric wheel component or a crank slider component.
  • the eccentric wheel assembly includes:
  • the eccentric wheel is fixed on the rotating shaft
  • the bearing is sleeved on the eccentric wheel; the thimble of the gas spring abuts on the circumferential surface of the bearing.
  • crank slider assembly includes:
  • the connecting rod is hinged on the rotating shaft
  • the sliding block is hinged on the end of the connecting rod; the thimble of the gas spring abuts on the sliding block.
  • one end of the slider close to the gas spring is provided with a blind hole, and the thimble of the gas spring abuts in the blind hole.
  • rocker arm device further includes:
  • the rotating wrench is arranged at one end of the rotating shaft and located on the outer side of the rocker arm, and is used to rotate the rotating shaft.
  • rocker arm device further includes:
  • the wrench limit piece is fixed on the outer side of the rocker arm and is located between the rocker arm and the rotating wrench.
  • the wrench limit piece includes a first abutting portion and a second abutting portion.
  • the rotating wrench The rotation range of is limited between the first abutting portion and the second abutting portion.
  • the supporting force is provided by a gas spring, and the locking and unlocking of the gas spring is controlled by the reciprocating motion assembly.
  • the remote end and the proximal end of the reciprocating motion assembly can be referenced for precise control.
  • the operation is convenient, and the gas spring is
  • the supporting force is stable and reliable.
  • Figure 1 is a schematic diagram of a prior art rocker arm device.
  • Fig. 2 is a perspective view of an embodiment of a rocker device of the present application.
  • Figure 3 is an exploded view of Figure 2.
  • Fig. 4 is a partial enlarged view of part A in Fig. 3.
  • Fig. 5 is a working principle diagram of the rocker arm device of the present application.
  • Fig. 6 is a perspective view of a U-shaped guide block in an embodiment of a rocker arm device of the present application.
  • Fig. 7 is a longitudinal partial cross-sectional view of the rocker device of the eccentric wheel solution of the present application along the axis of the rotation shaft.
  • Fig. 8 is an exploded view of a partial structure of the structure of Fig. 7 including an eccentric wheel structure.
  • Fig. 9 is an exploded view of a partial structure of the present application including a crank slider structure.
  • Fig. 10 is a longitudinal partial cross-sectional view of the rocker arm device of the crank slider solution of the present application along the axis of the rotation shaft.
  • Fig. 11 is an assembly diagram of an embodiment of the rotating wrench and the wrench limit piece of the present application.
  • the present application provides a rocker arm device.
  • the perspective view is shown in Fig. 2, the exploded view is shown in Fig. 3, and Fig. 4 is a partial view, including the base 1, the rocker 2, the tray 3, the reciprocating motion assembly 4 and the gas spring 5.
  • One end of the rocker arm 2 is hinged to the base 1 through a first mounting axis L1, and the other end is hinged to the tray 3 through a second mounting axis L2.
  • the reciprocating motion assembly 4 is set on the base 1 through a rotation axis L0.
  • the rocker arm 2 is close to the side of the tray 3, and the rotating shaft L0 drives the reciprocating movement assembly 4 to make a reciprocating movement.
  • the gas spring 5 includes a fixed portion 51, a telescopic portion 52, and a thimble 53 connected in sequence.
  • the fixed portion 51 is hinged with the base 1 through a third mounting shaft L3, and the telescopic portion is fixed on the rocker arm 2
  • the reciprocating movement assembly 4 acts on the thimble 53 to lock or unlock the gas spring 5.
  • the first installation shaft L1, the second installation shaft L2, the rotation shaft L0, and the third installation shaft L3 are arranged in parallel.
  • Fig. 5 The working principle of the rocker arm device of the present application is shown in Fig. 5: when the reciprocating motion assembly 4 is in the state of the proximal end (the proximal end contacts the thimble 53), the thimble 53 at the end of the retractable part of the gas spring 5 is not compressed, and the gas The spring 5 is in a locked state and can provide a supporting force to fix the rocker arm 2 in a corresponding position.
  • the rotating shaft L0 is rotated to make the reciprocating assembly 4 in the remote end state (the remote end contacts the thimble 53), the thimble 53 of the gas spring 5 is pressed down, and the gas spring 5 is in a released state.
  • the retractable part 52 can perform piston movement relative to the fixed part 51.
  • the length of the gas spring 5 can be stretched or shortened adaptively.
  • the rotation axis L0 is rotated, Make the reciprocating motion assembly 4 in the proximal end state, eject the thimble 53 of the gas spring 5, keep the gas spring 5 in the locked state, and fix the rocker arm 2.
  • the gas spring 5 is a common part in the mechanical field. Its type, structure and working principle are as follows Those skilled in the art are well-known, and will not be described in detail in this application.
  • the locking and unlocking operations of the rocker arm device of the present application can be accurately controlled with reference to the remote end and the short-range end of the reciprocating motion assembly 4, the operation is convenient, and the supporting force of the gas spring 5 is stable and reliable.
  • the present application provides a better way to fix the retractable portion 52, specifically a U-shaped guide block 6 is provided, as shown in FIG. 6, which includes a mounting hole 61 and a guide through hole 62.
  • the mounting hole 61 transversely penetrates the two side walls of the "U-shape", and the guiding through hole 62 longitudinally penetrates the bottom of the "U-shape”.
  • the specific installation and connection mode is shown in Figure 7 (a cross-sectional view along the rotation axis L0).
  • the rotation axis L0 passes through the mounting hole 61 and is rotatable relative to the U-shaped guide block 6, and the reciprocating movement assembly 4 is positive To the guide through hole 62; the retractable portion 52 passes through the guide through hole 62 and abuts on the guide through hole 62 through the shoulder 521, the reciprocating assembly 4 and the thimble 53 act , Control the locking and unlocking of the gas spring 5. That is, after the thimble 53 is pressed down by the reciprocating movement assembly 4, the retractable portion 52 can be extended or shortened relative to the fixed portion 51.
  • connection mode refer to Figures 7 and 8, and the sleeve 7
  • the two ends of the sleeve 7 are fixed on the rocker arm 2, and the middle of the sleeve 7 is provided with a second through hole 71 on the sleeve wall facing the guide through hole 62; the sleeve 7 is sleeved on the U-shaped guide block 6 In the mounting hole 61, it is fixed by screws (threaded holes are drawn in the corresponding positions in the figure).
  • the rotating shaft L0 is rotatably sleeved in the sleeve 7 relative to the sleeve 7.
  • the reciprocating assembly 4 is located in the sleeve 7 and passes through the second through hole 71 and the thimble 53 of the gas spring 5.
  • the function ensures that the second through hole 71, the guide through hole 62, and the thimble 53 are always in a straight line, so that the reciprocating movement assembly 4 can accurately act on the thimble.
  • the pressure of the gas spring 5 directly acts on the sleeve 7, and the rotating shaft L0 only needs to overcome the pressure of the thimble, which reduces the difficulty of rotating the rotating shaft L0.
  • the reciprocating movement assembly 4 may be provided with an eccentric 41A on the rotation axis L0, but when the eccentric is used alone, the eccentric not only exerts pressure on the thimble 53, but also has a friction effect, which causes the thimble 53 to be worn. , Affect the service life of thimble 53. Therefore, a better solution is to provide a bearing 42A as shown in Figures 7 and 8 and sleeve it on the eccentric 41A; the thimble 53 of the gas spring 5 abuts on the circumferential surface of the bearing 42A, so that the thimble will only be affected by Pressure does not produce wear.
  • the reciprocating movement assembly 4 adopts a crank slider assembly solution.
  • the crank slider assembly includes a connecting rod 41B and a slider 42B, the connecting rod 41B is hinged on the rotation axis L0; the slider 42B is hinged on the end of the connecting rod 41B; the thimble 53 of the gas spring 5 abuts on the Mentioned on the slider 42B. Since there is only pressure between the crank slider assembly and the thimble 53, the present technical solution will not cause wear to the thimble 53.
  • a blind hole 43B may be provided at one end of the slider 42B close to the gas spring 5, and the thimble 53 of the gas spring abuts in the blind hole 43B, which can play a role in precise positioning. .
  • a rotating wrench 10 can be provided at one end of the rotating shaft L0 to control the rotating shaft.
  • the rotating wrench 10 can be arranged at one end of the rotating shaft L0 and located outside the rocker arm 2.
  • a wrench limit piece 11 can be provided. As shown in FIG. 11, the wrench limit piece 11 is fixed at one end of the rotating shaft L0 and located on the rocker arm 2 and the rotating wrench 10 In between, the wrench limiting piece 11 includes a first abutting portion 111 and a second abutting portion 112, and the rotation range of the rotating wrench 10 is limited to the first abutting portion 111 and the second abutting portion 112 between.
  • the angle between the line between the rotation center of the rotating wrench 10 and the first abutting portion 111 and the line with the second abutting portion 112 can be set to 180°, 0° and 180° correspond to the short-range and remote ends of the eccentric, respectively.
  • Rotating the wrench to the two extremes corresponds to the locked and unlocked states of the rocker arm, which is convenient for operation.

Abstract

La présente invention concerne un dispositif de culbuteur. Le dispositif de culbuteur comprend une base (1), un culbuteur (2) et un plateau (3), une extrémité du culbuteur étant reliée de manière articulée à la base au moyen d'un premier arbre de montage (L1) et l'autre extrémité du culbuteur étant reliée de manière articulée au plateau au moyen d'un deuxième arbre de montage (L2). Le dispositif de culbuteur comprend en outre : un ensemble de mouvement en va-et-vient (4), disposé sur le côté, à proximité du plateau, du culbuteur au moyen d'un arbre rotatif (L0) et effectuant un va-et-vient conjointement avec une rotation de l'arbre rotatif ; et un ressort pneumatique (5), comprenant une portion de fixation (51), une portion télescopique (52) et une broche d'éjecteur (53) qui sont reliées de manière séquentielle, la portion de fixation étant reliée de manière articulée à la base au moyen d'un troisième arbre de montage (L3), la portion télescopique étant fixée sur le culbuteur et l'ensemble de mouvement en va-et-vient agit sur la broche d'éjecteur et est utilisé pour verrouiller ou déverrouiller le ressort à gaz. Les opérations de verrouillage et de déverrouillage du dispositif de culbuteur peuvent se référer à une extrémité distale et à une extrémité proximale de l'ensemble de mouvement en va-et-vient pour une commande précise, le fonctionnement est pratique et la force de support du ressort à gaz est stable et fiable.
PCT/CN2020/115334 2019-10-29 2020-09-15 Dispositif de culbuteur WO2021082777A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911037556.7A CN110748759B (zh) 2019-10-29 2019-10-29 一种摇臂装置
CN201911037556.7 2019-10-29

Publications (1)

Publication Number Publication Date
WO2021082777A1 true WO2021082777A1 (fr) 2021-05-06

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ID=69280739

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/115334 WO2021082777A1 (fr) 2019-10-29 2020-09-15 Dispositif de culbuteur

Country Status (2)

Country Link
CN (1) CN110748759B (fr)
WO (1) WO2021082777A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110748757B (zh) * 2019-10-29 2022-03-22 深圳市科曼医疗设备有限公司 一种摇臂装置
CN110748758B (zh) * 2019-10-29 2022-01-25 深圳市科曼医疗设备有限公司 一种摇臂装置
CN110748759B (zh) * 2019-10-29 2021-07-27 深圳市科曼医疗设备有限公司 一种摇臂装置

Citations (8)

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US4756496A (en) * 1984-06-01 1988-07-12 Stabilus Gmbh Continuously adjustable levelling column
CN203907174U (zh) * 2014-06-12 2014-10-29 昆山泓杰电子有限公司 高度可调节的悬臂式电视机支架
CN206055122U (zh) * 2016-08-31 2017-03-29 福建施可瑞医疗科技股份有限公司 自由定位带锁定的支架结构
CN209137852U (zh) * 2018-08-29 2019-07-23 厦门奥业科技有限公司 一种气弹簧锁止开关结构
CN110657324A (zh) * 2019-10-29 2020-01-07 深圳市科曼医疗设备有限公司 一种摇臂装置
CN110748759A (zh) * 2019-10-29 2020-02-04 深圳市科曼医疗设备有限公司 一种摇臂装置
CN110748757A (zh) * 2019-10-29 2020-02-04 深圳市科曼医疗设备有限公司 一种摇臂装置
CN110748758A (zh) * 2019-10-29 2020-02-04 深圳市科曼医疗设备有限公司 一种摇臂装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006052804B4 (de) * 2006-11-09 2010-07-29 Dräger Medical AG & Co. KG Tragevorrichtung
CN204785361U (zh) * 2015-07-07 2015-11-18 昆山泓杰电子有限公司 可调恒力式支撑机构
CN106761123B (zh) * 2017-01-06 2018-02-02 江苏美龙振华科技有限公司 一种带有自锁功能的气弹簧组件

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756496A (en) * 1984-06-01 1988-07-12 Stabilus Gmbh Continuously adjustable levelling column
CN203907174U (zh) * 2014-06-12 2014-10-29 昆山泓杰电子有限公司 高度可调节的悬臂式电视机支架
CN206055122U (zh) * 2016-08-31 2017-03-29 福建施可瑞医疗科技股份有限公司 自由定位带锁定的支架结构
CN209137852U (zh) * 2018-08-29 2019-07-23 厦门奥业科技有限公司 一种气弹簧锁止开关结构
CN110657324A (zh) * 2019-10-29 2020-01-07 深圳市科曼医疗设备有限公司 一种摇臂装置
CN110748759A (zh) * 2019-10-29 2020-02-04 深圳市科曼医疗设备有限公司 一种摇臂装置
CN110748757A (zh) * 2019-10-29 2020-02-04 深圳市科曼医疗设备有限公司 一种摇臂装置
CN110748758A (zh) * 2019-10-29 2020-02-04 深圳市科曼医疗设备有限公司 一种摇臂装置

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Publication number Publication date
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CN110748759B (zh) 2021-07-27

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