CN111053665A - Angle turning device with adjustable multistage connecting rod - Google Patents
Angle turning device with adjustable multistage connecting rod Download PDFInfo
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- CN111053665A CN111053665A CN201911293185.9A CN201911293185A CN111053665A CN 111053665 A CN111053665 A CN 111053665A CN 201911293185 A CN201911293185 A CN 201911293185A CN 111053665 A CN111053665 A CN 111053665A
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- connecting rod
- articulated
- actuating arm
- hinge
- push rod
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/005—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame tiltable around transverse horizontal axis, e.g. for Trendelenburg position
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- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to an adjustable angle turnover device with multiple connecting rods, which comprises a fixed frame, a first connecting rod and a driving arm, wherein the first connecting rod is hinged with the fixed frame through a first hinge shaft, the driving arm is hinged with the first connecting rod through a driving arm hinge shaft, the middle connecting rod is hinged with the driving arm and the fixed frame at two ends respectively, a hinge point of the middle connecting rod and the driving arm is positioned between the driving arm hinge shaft and the first hinge shaft, the hinge point of the middle connecting rod and the fixed frame is positioned below the hinge point of the middle connecting rod and the driving arm, and the adjustable angle turnover device can realize the step-by-step rotation of the multiple connecting rods through a driving mechanism.
Description
Technical Field
The invention relates to the technical field of mechanical transmission, in particular to an adjustable angle turnover device with multiple connecting rods.
Background
In the field of mechanical transmission, a multi-level connecting rod adjustable angle turnover device is frequently encountered, a plurality of connecting rods are sequentially hinged by the multi-level connecting rod adjustable angle turnover device and are respectively driven by a plurality of driving mechanisms to move, so that the plurality of connecting rods respectively rotate around hinged points, and the multi-level connecting rod adjustable angle turnover device can be well applied to a plurality of fields such as mechanical turnover, mechanical arms, medical treatment and the like.
For example, hospital beds are basically provided with the functions of lifting back and lifting legs in current nursing hospital beds, a bed plate on the back of a patient on a current hospital bed is usually a flat plate, when the patient lifts back, the bed plate on the back is lifted to form an inclined plane, and the inclined plane does not accord with human engineering, so that the patient feels uncomfortable after lifting back, and therefore a multistage connecting rod adjustable angle overturning device is needed, the hospital bed on the back of the patient can be lifted in an arc shape, and the comfort of the patient is improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the multi-stage connecting rod adjustable angle turnover device which can be applied to various fields such as nursing sickbeds and the like.
The invention is realized by the following technical scheme, and provides an adjustable angle turnover device with multiple stages of connecting rods, which comprises a fixed frame, a first connecting rod hinged with the fixed frame through a first hinged shaft, a driving arm hinged with the first connecting rod through a driving arm hinged shaft, and an intermediate connecting rod, wherein two ends of the intermediate connecting rod are respectively hinged with the driving arm and the fixed frame, a hinged point of the intermediate connecting rod and the driving arm is positioned between the driving arm hinged shaft and the first hinged shaft, and the hinged point of the intermediate connecting rod and the fixed frame is positioned below the hinged point of the intermediate connecting rod and the driving arm.
In this scheme, the actuating arm is connected with the mount through middle connecting rod, and when the actuating arm rotated, the actuating arm articulated shaft can corresponding removal, and the actuating arm articulated shaft drives first connecting rod and rotates to first connecting rod turned angle is less than the rotatory angle of actuating arm.
Preferably, two ends of the middle connecting rod are respectively hinged with the driving arm and the fixing frame through hinge shafts, and the hinge shafts at the two ends of the middle connecting rod, the first hinge shafts and the hinge shafts of the driving arm are all parallel. Articulated shaft, first articulated shaft and the actuating arm articulated shaft at middle connecting rod both ends are all parallel in this scheme, make middle connecting rod, actuating arm and first connecting rod all at parallel in-plane rotation.
As optimizing, still include the connecting block and through second articulated shaft and first connecting rod articulated second connecting rod, the second connecting rod is located one side that the mount was kept away from to first connecting rod, and the connecting block passes through the articulated point on the connecting block and articulates with the actuating arm, and the connecting block passes through the articulated point under the connecting block and articulates with the second connecting rod, and articulated point all is located actuating arm articulated shaft downside on the connecting block and under the connecting block.
In this scheme, the second connecting rod is articulated with the first connecting rod through the second articulated shaft, and the connecting block passes through on the connecting block articulated point articulated with the actuating arm, and the connecting block passes through under the connecting block articulated point articulated with the second connecting rod, and when the first connecting rod of actuating arm drive rotated, the actuating arm passed through the connecting block and drives the second connecting rod and rotate for the second articulated shaft to change the contained angle between second connecting rod and the first connecting rod.
As optimization, the hinge point on the connecting block is higher than the hinge point under the connecting block. In the scheme, the upper hinge point of the connecting block is higher than the lower hinge point of the connecting block, so that when the driving arm moves towards the direction of the second connecting rod, the distance between the upper hinge point of the connecting block of the driving arm and the second connecting rod is reduced along with the movement of the driving arm, and the rotating speed of the second connecting rod is changed.
As optimization, still include first push rod and through third articulated shaft and the articulated third connecting rod of second connecting rod, the third connecting rod is located the one side that first connecting rod was kept away from to the second connecting rod, and first push rod is articulated through hinge point before the first push rod and third connecting rod, and first push rod is articulated through hinge point behind the first push rod and actuating arm, and hinge point is located actuating arm articulated shaft downside behind the first push rod. In the scheme, the third connecting rod is hinged to the second connecting rod through the third hinge shaft, and when the driving arm drives the first connecting rod and the second connecting rod to rotate, the driving arm drives the third connecting rod to rotate relative to the third hinge shaft through the first push rod, so that the included angle between the third connecting rod and the second connecting rod is changed.
As optimization, the mechanism further comprises a second push rod and a fourth connecting rod hinged to the third connecting rod through a fourth hinge shaft, the fourth connecting rod is located on one side, away from the second connecting rod, of the third connecting rod, the second push rod is hinged to the fourth connecting rod through a hinge point in front of the second push rod, the second push rod is hinged to the driving arm through a hinge point behind the second push rod, and the hinge point behind the second push rod is located on the lower side of the hinge shaft of the driving arm. In the scheme, the fourth connecting rod is hinged to the third connecting rod through the fourth hinge shaft, and when the driving arm drives the first connecting rod, the second connecting rod and the third connecting rod to rotate, the driving arm drives the fourth connecting rod to rotate relative to the third hinge shaft through the second push rod, so that the included angle between the fourth connecting rod and the third connecting rod is changed.
Preferably, the second hinge shaft, the third hinge shaft and the fourth hinge shaft are all parallel to the hinge shaft of the driving arm. In the scheme, the second hinge shaft, the third hinge shaft and the fourth hinge shaft are parallel to the hinge shaft of the driving arm, so that the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod rotate in parallel planes.
Preferably, the second push rods and the first push rods are arranged in a staggered mode in the front-back direction. In the scheme, the second push rod and the first push rod are arranged in a staggered mode in the front-back direction, so that the second push rod and the first push rod can be prevented from interfering in the moving process.
As optimization, the actuating arm is L shape pole, pin joint behind pin joint, the first push rod on the connecting block and pin joint behind pin joint and the second push rod all are located the montant of actuating arm, and the pin joint of intermediate link and actuating arm is located the horizontal pole of actuating arm, and the actuating arm articulated shaft is located the junction of horizontal pole and montant. Pin joint, pin joint behind first push rod and the second push rod all are located the montant of actuating arm on the connecting block in this scheme to promote connecting block, first push rod and second push rod to remove through rotating the montant.
As optimization, the device further comprises a driving mechanism for driving the driving arm to rotate, the driving mechanism is a telescopic driving device, and two ends of the telescopic driving device are respectively hinged with the driving arm and the fixing frame. The driving mechanism in the scheme is used for driving the driving arm to rotate.
The invention has the beneficial effects that: according to the multi-stage connecting rod adjustable angle overturning device, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod can be driven to rotate through the rotation of the driving arms, and the adjacent two connecting rods rotate mutually to enable the connecting rods to form different angles after rotating.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic rear view of the present invention;
FIG. 4 is a schematic view of an operating state of the present invention;
FIG. 5 is a schematic view of another operating condition of the present invention;
shown in the figure:
1. the device comprises a fixed frame, 2, a first connecting rod, 3, a second connecting rod, 4, a third connecting rod, 5, a fourth connecting rod, 6, a driving arm, 7, an intermediate connecting rod, 8, a driving device, 9, a connecting block, 10, a first push rod, 11 and a second push rod.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 5, the multistage connecting rod adjustable angle turnover device of the present invention includes a fixed frame 1, a first connecting rod 2 hinged to the fixed frame 1 through a first hinge shaft, a driving arm 6 hinged to the first connecting rod 2 through a driving arm hinge shaft, and a driving mechanism 8 for driving the driving arm 6 to rotate, wherein the driving mechanism is a telescopic driving device, the telescopic driving device can be a cylinder, an oil cylinder, an electric push rod, and the like, and two ends of the telescopic driving device are respectively hinged to the driving arm 6 and the fixed frame 1.
First connecting rod 2 is located 1 left side of mount, 1 left side of mount is articulated through first articulated shaft and 2 right-hand members of first connecting rod, and first connecting rod 2 sets up for the level, and actuating arm 6 is articulated with first connecting rod 2 through the actuating arm articulated shaft, and the actuating arm articulated shaft is located first articulated shaft left side, actuating arm 6 is L shape pole, and the actuating arm articulated shaft is located the junction of horizontal pole and montant, and the horizontal pole is located actuating arm articulated shaft right side, and the montant is located the articulated shaft downside.
Still include middle connecting rod 7, the both ends of middle connecting rod 7 are articulated with actuating arm 6 and mount 1 respectively, and middle connecting rod 7 upper end is articulated with the horizontal pole right-hand member of actuating arm 6, and middle connecting rod 7 is located between actuating arm articulated shaft and the first articulated shaft with the pin joint of actuating arm 6, and middle connecting rod 7 is located middle connecting rod 7 and actuating arm 6's pin joint below with the pin joint of mount 1, the vertical setting of middle connecting rod.
Two ends of the middle connecting rod 7 are respectively hinged with the driving arm 6 and the fixing frame 1 through hinge shafts, and the hinge shafts at two ends of the middle connecting rod 7, the first hinge shafts and the hinge shafts of the driving arm are all parallel.
Still include connecting block 9 and through second articulated shaft and first connecting rod 2 articulated second connecting rod 3, second connecting rod 3 is located one side that mount 1 was kept away from to first connecting rod 2, second connecting rod 3 is in first connecting rod 2 left side in this embodiment, second connecting rod 3 is L shape pole, the second articulated shaft sets up in the horizontal pole and the montant handing-over department of second connecting rod 3, the montant setting of second connecting rod 3 is in the below of horizontal pole right-hand member, remain the certain distance between the montant of second connecting rod 3 and the montant of actuating arm 6.
The connecting block 9 is hinged to the vertical rod of the driving arm 6 through a hinge point on the connecting block, the connecting block 9 is hinged to the second connecting rod 3 through the hinge point under the connecting block, the hinge point is arranged at the lower end of the vertical rod of the second connecting rod 3 under the connecting block, the hinge point is located on the connecting block and located on the lower side of the hinge shaft of the driving arm under the hinge point and the connecting block, and the hinge point is higher than the hinge point under the connecting block on.
Also comprises a first push rod 10 and a third connecting rod 4 which is hinged with the second connecting rod 3 through a third hinge shaft,
the third connecting rod 4 is located the one side that first connecting rod 2 was kept away from to second connecting rod 3, and third connecting rod 4 sets up in the left side of second connecting rod 3 in this embodiment, and third connecting rod 4 is L shape pole, and the third hinge shaft setting is in the horizontal pole of third connecting rod 4 and montant handing-over department, and the montant setting of third connecting rod 4 is in the below of horizontal pole right-hand member.
Still include second push rod 11 and through fourth articulated shaft and third connecting rod 4 articulated fourth connecting rod 5, fourth connecting rod 5 is located third connecting rod 4 and keeps away from one side of second connecting rod 3, and fourth connecting rod 5 is located the left side of third connecting rod 4 in this embodiment, and fourth connecting rod 5 is L shape pole, and the setting of fourth articulated shaft is in the horizontal pole and the montant handing-over department of fourth connecting rod 5, and the montant setting of fourth connecting rod 5 is in the below of horizontal pole right-hand member.
The second push rod 11 is hinged to the fourth connecting rod 5 through a second push rod front hinge point, the second push rod 11 is hinged to a vertical rod of the driving arm 6 through a second push rod rear hinge point, the second push rod front hinge point is arranged at the lower end of the vertical rod of the fourth connecting rod 5, the second push rod rear hinge point is located on the lower side of a driving arm hinge shaft, the second push rod 11 and the first push rod 10 are arranged in a staggered mode in the front-rear direction, and therefore interference between the second push rod 11 and the first push rod 10 in the moving process is prevented.
And the second hinge shaft, the third hinge shaft and the fourth hinge shaft are all parallel to the hinge shaft of the driving arm.
The use method of the invention comprises the following steps: according to the multi-stage connecting rod adjustable angle turnover device, the driving arm 6 is driven to rotate through the driving device 8, the first connecting rod 2, the second connecting rod 3, the third connecting rod 4 and the fourth connecting rod 5 can be driven to rotate, and the two adjacent connecting rods rotate mutually, so that the connecting rods rotate at different angles.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides an angle turning device with adjustable multistage connecting rod which characterized in that: including mount (1), through first articulated shaft and mount (1) articulated first connecting rod (2) and through actuating arm articulated shaft and first connecting rod (2) articulated actuating arm (6), still include intermediate connecting rod (7), the both ends of intermediate connecting rod (7) are articulated with actuating arm (6) and mount (1) respectively, the pin joint of intermediate connecting rod (7) and actuating arm (6) is located between articulated shaft and the first articulated shaft, the pin joint of intermediate connecting rod (7) and mount (1) is located the pin joint below of intermediate connecting rod (7) and actuating arm (6).
2. The adjustable multi-stage connecting rod type angle turnover device of claim 1, wherein: the two ends of the middle connecting rod (7) are hinged with the driving arm (6) and the fixing frame (1) through hinge shafts respectively, and the hinge shafts at the two ends of the middle connecting rod (7), the first hinge shafts and the hinge shafts of the driving arm are all parallel.
3. The adjustable multi-stage connecting rod type angle turnover device of claim 1, wherein: still include connecting block (9) and through second articulated shaft and first connecting rod (2) articulated second connecting rod (3), second connecting rod (3) are located one side that mount (1) were kept away from in first connecting rod (2), and articulated point is articulated with actuating arm (6) on connecting block (9) passing through the connecting block, and articulated point is articulated with second connecting rod (3) under connecting block (9) passing through the connecting block, and articulated point all is located actuating arm articulated shaft downside under articulated point and the connecting block on the connecting block.
4. The adjustable multi-stage linkage angle-overturning device according to claim 3, wherein: the hinge point on the connecting block is higher than the hinge point under the connecting block.
5. The adjustable multi-stage linkage angle-overturning device according to claim 4, wherein: still include first push rod (10) and through third articulated shaft and second connecting rod (3) articulated third connecting rod (4), third connecting rod (4) are located one side that first connecting rod (2) were kept away from in second connecting rod (3), first push rod (10) are articulated through hinge point before the first push rod and third connecting rod (4), first push rod (10) are articulated through hinge point behind the first push rod and actuating arm (6), hinge point is located actuating arm articulated shaft downside behind the first push rod.
6. The adjustable multi-stage linkage angle-overturning device according to claim 5, wherein: still include second push rod (11) and through fourth articulated shaft and third connecting rod (4) articulated fourth connecting rod (5), fourth connecting rod (5) are located one side that second connecting rod (3) were kept away from in third connecting rod (4), second push rod (11) are articulated with fourth connecting rod (5) through the preceding articulated point of second push rod, second push rod (11) are articulated with actuating arm (6) through the articulated point behind the second push rod, the articulated point is located actuating arm articulated shaft downside behind the second push rod.
7. The adjustable multi-stage linkage angle-overturning device according to claim 6, wherein: and the second hinge shaft, the third hinge shaft and the fourth hinge shaft are all parallel to the hinge shaft of the driving arm.
8. The adjustable multi-stage linkage angle-overturning device according to claim 6, wherein: the second push rods (11) and the first push rods (10) are arranged in a staggered mode in the front-back direction.
9. The adjustable multi-stage linkage angle-overturning device according to claim 6, wherein: actuating arm (6) are L shape pole, and pin joint, pin joint behind first push rod and the second push rod on the connecting block pin joint all are located the montant of actuating arm (6), and the pin joint of middle connecting rod (7) and actuating arm (6) is located the horizontal pole of actuating arm (6), and the actuating arm articulated shaft is located the junction of horizontal pole and montant.
10. The adjustable multi-stage connecting rod type angle turnover device of claim 1, wherein: the device is characterized by further comprising a driving mechanism (8) driving the driving arm (6) to rotate, wherein the driving mechanism is a telescopic driving device, and two ends of the telescopic driving device are respectively hinged with the driving arm (6) and the fixing frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911293185.9A CN111053665B (en) | 2019-12-16 | 2019-12-16 | Angle turning device with adjustable multistage connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911293185.9A CN111053665B (en) | 2019-12-16 | 2019-12-16 | Angle turning device with adjustable multistage connecting rod |
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| Publication Number | Publication Date |
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| CN111053665A true CN111053665A (en) | 2020-04-24 |
| CN111053665B CN111053665B (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911293185.9A Active CN111053665B (en) | 2019-12-16 | 2019-12-16 | Angle turning device with adjustable multistage connecting rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339319A (en) * | 2020-10-19 | 2021-02-09 | 长沙湘一机械有限公司 | Garbage compressor |
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| CN102905640A (en) * | 2010-03-31 | 2013-01-30 | 汉阳大学校产学协力团 | One-degree-of-freedom link device, a robot arm using the same and a surgical robot comprising the same |
| JP2015054389A (en) * | 2013-09-13 | 2015-03-23 | セイコーエプソン株式会社 | Robot arm, and robot |
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| CN112339319B (en) * | 2020-10-19 | 2024-11-01 | 长沙湘一机械有限公司 | Garbage compressor |
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| Publication number | Publication date |
|---|---|
| CN111053665B (en) | 2021-06-08 |
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