CN106667585B - Bidirectional release mechanism of telescopic element - Google Patents
Bidirectional release mechanism of telescopic element Download PDFInfo
- Publication number
- CN106667585B CN106667585B CN201710012501.5A CN201710012501A CN106667585B CN 106667585 B CN106667585 B CN 106667585B CN 201710012501 A CN201710012501 A CN 201710012501A CN 106667585 B CN106667585 B CN 106667585B
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- China
- Prior art keywords
- handle
- release mechanism
- rod
- telescopic element
- connecting rod
- 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.)
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 230000008093 supporting effect Effects 0.000 claims description 7
- 230000000670 limiting effect Effects 0.000 description 2
- 210000002310 elbow joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- 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
- A61G12/00—Accommodation for nursing, e.g. in hospitals, not covered by groups A61G1/00 - A61G11/00, e.g. trolleys for transport of medicaments or food; Prescription lists
- A61G12/002—Supply appliances, e.g. columns for gas, fluid, electricity supply
- A61G12/004—Supply appliances, e.g. columns for gas, fluid, electricity supply mounted on the ceiling
-
- 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
- A61G12/00—Accommodation for nursing, e.g. in hospitals, not covered by groups A61G1/00 - A61G11/00, e.g. trolleys for transport of medicaments or food; Prescription lists
- A61G12/002—Supply appliances, e.g. columns for gas, fluid, electricity supply
Landscapes
- 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)
- Jib Cranes (AREA)
Abstract
The invention discloses a bidirectional release mechanism of a telescopic element, which comprises a displacement assembly, a connecting rod and a sliding rod, wherein the displacement assembly is arranged on a bracket and used for controlling position movement, the displacement assembly comprises a handle, a rotating shaft matched with the handle, a deflector rod connected to the rotating shaft, the connecting rod is connected with the telescopic element through a brake cable, one end of the connecting rod is pivotally connected with the deflector rod, and the other end of the connecting rod is pivotally connected with the sliding rod. The bidirectional release mechanism of the telescopic element can release the telescopic element when the handle is pulled down, and the handle is pulled down continuously, so that the box body of the crane is lowered. When the handle is pressed upwards, the telescopic element is released, and the handle is continuously pressed upwards, so that the box body of the crane is lifted. The operation of the bidirectional release mechanism is very convenient and quick.
Description
Technical Field
The invention belongs to the field of medical towers, and particularly relates to a bidirectional release mechanism for a telescopic element of a tower crane.
Background
When the medical crane is used, the box body of the crane is required to be lifted smoothly according to the operation requirement of a user.
The telescopic element release mechanism adopted by the existing medical crane can only be operated in one direction, that is, the release handle can only realize the pulling-down action, when the telescopic element needs to be released to enable the box body of the crane to ascend, both hands or one hand are required to operate in a laborious manner, in addition, the release handle cannot be reset rapidly after the hands are loosened, and the box body cannot be locked immediately, so that the medical crane is inconvenient to use.
Disclosure of Invention
The invention aims to solve the technical problem of providing a bidirectional release mechanism of a telescopic element, which is convenient and quick to operate and can smoothly realize the lifting of a crane box body.
In order to solve the technical problems, the invention adopts the following technical scheme: the bidirectional release mechanism of the telescopic element comprises a displacement assembly which is arranged on a bracket and used for controlling position movement, wherein the displacement assembly comprises a handle, a rotating shaft matched with the handle and a deflector rod connected to the rotating shaft, the displacement assembly further comprises a connecting rod and a sliding rod connected with the telescopic element through a brake cable, one end of the connecting rod is in pivot connection with the deflector rod, and the other end of the connecting rod is in pivot connection with the sliding rod.
In addition, the invention also provides the following auxiliary technical scheme.
Preferably, a clamping block is formed on the handle, a clamping groove is formed on the rotating shaft, and the clamping groove is used for accommodating the clamping block.
Preferably, when the handle is pulled down, the deflector rod dials up the connecting rod to drive the sliding rod to horizontally move backwards, so that the brake cable is pulled backwards, and the telescopic element is released.
Preferably, when the handle is pressed up, the deflector rod presses down the connecting rod to drive the sliding rod to move horizontally backwards, so that the brake cable is pulled backwards, and the telescopic element is released.
Preferably, the bidirectional release mechanism further comprises a reset component for controlling the reset of the handle, and the reset component is used for solving the technical problems of quick reset of the box body of the crane tower, quick locking of any position of the box body and the like.
Preferably, the reset component comprises a fixed hook, a movable hook and a spring, wherein the movable hook is fixedly arranged at one end of the sliding rod, which is close to the connecting rod, and the spring is connected between the fixed hook and the movable hook.
Preferably, the bracket is generally U-shaped, having two side walls and a bottom wall.
Preferably, two ends of the bottom wall of the bracket are respectively connected with lugs for accommodating the rotating shaft.
Preferably, the bottom wall of the bracket is formed with a slot through which the deflector rod passes.
Preferably, a supporting plate is arranged between the two side walls of the support, a through hole is formed in the supporting plate, a sliding bearing is arranged in the through hole, and the sliding bearing is sleeved on the sliding rod.
Compared with the prior art, the invention has the advantages that: the bidirectional release mechanism of the telescopic element can release the telescopic element when the handle is pulled down, and the handle is continuously pulled down, so that the box body of the crane is lowered. And when the handle is pressed upwards, the telescopic element is released, and the handle is continuously pressed upwards, so that the box body of the crane is lifted. The case can be locked immediately after the handle is released.
Through the bidirectional release mechanism, the box body can smoothly ascend and descend, can be locked at any time according to the requirements of users, and is very convenient and quick to operate.
Drawings
Fig. 1 is a perspective view of a bi-directional release mechanism of the telescopic element of the present invention with the handle in a free state.
Fig. 2 is a perspective view of a bracket of the bi-directional release mechanism of the telescoping member of the present invention.
Fig. 3 is a perspective view of the slide bar of the bi-directional release mechanism of the telescoping member of the present invention.
Fig. 4 is a perspective view of a mobile hook of the bi-directional release mechanism of the telescopic element of the present invention.
Fig. 5 is a perspective view of a link of a bi-directional release mechanism of a telescoping member of the present invention.
Fig. 6 is a perspective view of a lever of the bi-directional release mechanism of the telescopic element of the present invention.
Fig. 7 is a perspective view of the shaft of the bi-directional release mechanism of the telescoping member of the present invention.
Fig. 8 is a perspective view of the handle of the bi-directional release mechanism of the telescoping member of the present invention.
Fig. 9 is a perspective view of the bi-directional release mechanism of the telescoping member of the present invention with the handle in a pulled down state.
Fig. 10 is a perspective view of the bi-directional release mechanism of the telescoping member of the present invention with the handle in an up-pressed condition.
Wherein,,
1. brackets 11, side walls 12, side walls 13, bottom wall
131. Groove 2, slide bar 21, groove 22, hole
23. Lugs 24, holes 3, sliding bearings 4, fixed hooks
41. Hole 5, spring 6, moving hook 61, groove
62. Hole 7, connecting rod 71, hole 8, deflector rod
81. Lugs 82, holes 83, cylindrical portion 9, shaft
91. Through hole 92, clamping groove 10, handle 101, clamping block
14. Support plate 141, through hole 15, lug 151, hole
Detailed Description
The technical scheme of the present invention is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings. The front-back, left-right, up-down and up-down positional relationship of the invention is based on the illustrated orientation.
As shown in fig. 1 to 10, the present invention discloses a bi-directional release mechanism of a telescopic element for controlling the lifting of a box body of a medical crane. The bidirectional release mechanism is arranged at the end part of the box body of the crane tower.
Preferably, the telescopic element is a gas spring. The two gas springs are positioned at the elbow joint of the crane, one end of the brake cable is connected with the release heads of the two gas springs, and the other end of the brake cable penetrates through the box body of the crane to be connected with the bidirectional release mechanism. Preferably, the brake cable is a bowden cable.
The bi-directional release mechanism of the telescopic element of the present invention comprises a displacement assembly mounted on the bracket 1 for controlling the positional movement of the telescopic element. The bracket 1 is arranged at the end part of the box body of the crane tower.
With further reference to fig. 2, the stand 1 is generally U-shaped having side walls 11, 12 and a bottom wall 13. Lugs 15 are respectively connected to both ends of the outer side of the bottom wall 13, and holes 151 are formed in the lugs 15.
The bottom wall 13 of the bracket 1 is formed with a groove 131. Preferably, the slot 131 is rectangular. A supporting plate 14 is arranged between the two side walls 11, 12 of the U-shaped bracket 1, and a through hole 141 is formed on the supporting plate 14. The slide bearing 3 is disposed in the through hole 141.
As shown in fig. 1 to 8, the displacement assembly includes a handle 10, a rotation shaft 9 engaged with the handle 10, and a shift lever 8 connected to the rotation shaft 9. The two free ends of the handle 10 are respectively provided with a clamping block 101, the two free ends of the rotating shaft 9 are respectively provided with a clamping groove 92, and when the handle is assembled, the clamping blocks 101 at the two free ends of the handle 10 are respectively accommodated in the corresponding clamping grooves 92 of the rotating shaft 9.
A through hole 91 is formed in the middle of the rotating shaft 9. The middle part of the deflector rod 8 is square. One end of the deflector rod 8 is formed with a lug 81, and the lug 81 is formed with a hole 82. The other end of the lever 8 is formed with a columnar portion 83.
When assembled, the columnar part 83 of the deflector rod 8 is accommodated in the through hole 91 of the rotating shaft 9, and the deflector rod 8 can be fixedly connected to the rotating shaft 9. After assembly, the lever 8 passes through the rectangular slot 131. When the handle 10 is pulled down, the upper flat surface of the lever 8 contacts the upper edge of the groove 131, and when the handle 10 is pressed up, the lower flat surface of the lever 8 contacts the lower edge of the groove 131, thereby restricting the handle 10 from continuing to rotate.
The displacement assembly further comprises a connecting rod 7 and a sliding rod 2. The connecting rod 7 is substantially H-shaped, and the four free ends of the H-shaped connecting rod 7 are each formed with a hole 71. One end of the slide bar 2 is formed with a groove 21 and a hole 22, and the groove 21 and the hole 22 are used for clamping a brake cable. The other end of the slide bar 2 is formed with a lug 23, and the lug 23 is formed with a hole 24.
When assembled, the lug 23 of the slide bar 2 is received in one end of the link 7 such that the aperture 24 of the lug 23 is aligned with the aperture 71 of the two free ends of the link 7, after which a shaft or pin is inserted through the aperture 24 and the aperture 71, the link 7 is pivotally connected to the slide bar 2.
When the link 7 is assembled with the lever 8, the lug 81 at one end of the lever 8 is received at the other end of the link 7 such that the hole 82 of the lug 81 is aligned with the holes 71 at the other two free ends of the link 7, and then a rotary shaft or pin is inserted through the holes 82 and 71, and the link 7 is pivotally connected to the lever 8.
As shown in fig. 1 to 8, the bi-directional release mechanism of the telescopic element of the present invention further comprises a reset assembly for controlling the reset of the handle 10.
The reset component comprises a fixed hook 4, a movable hook 6 and a spring 5. Preferably, the spring 5 is a tension spring.
The fixed hook 4 is fixedly arranged on the box body of the crane tower. The two free ends of the fixed hook 4 are respectively formed with holes 41. Holes 62 are formed at the two free ends of the movable hook 6, respectively, and a groove 61 is formed in the middle of the movable hook 6. When assembled, the movable hook 6 is sleeved on the lug 23 of the slide rod 2 through the groove 61, so that the movable hook is fixedly arranged between the slide rod 2 and the connecting rod 7.
The two ends of the two springs 5 are respectively hung on the holes 41 at the two ends of the fixed hook 4 and the holes 62 at the two ends of the movable hook 6, so as to be connected between the fixed hook 4 and the movable hook 6.
The assembly connection relation of the bidirectional release mechanism of the telescopic element is as follows: the rotating shaft 9 penetrates through the two lugs 15 to be connected to the bracket 1, the clamping blocks 101 at the two free ends of the handle 10 are respectively accommodated in the corresponding clamping grooves 92 of the rotating shaft 9, the deflector rod 8 is connected to the rotating shaft 9 and can rotate along with the rotating shaft 9, the deflector rod 8 penetrates through the groove 131 of the bracket 1 to be pivotally connected with one end of the connecting rod 7, and the other end of the connecting rod 7 is pivotally connected with one end of the sliding rod 2 accommodated in the sliding bearing 3. The other end of the slide bar 2 is connected with a brake cable which is connected with a telescopic element of the crane tower. Wherein the slide bar 2 can be kept moving in the horizontal direction due to the supporting and limiting actions of the slide bearing 3.
The following is the working principle of the bi-directional release mechanism of the telescopic element of the present invention.
When the handle 10 is in a free state, as shown in fig. 1, the connecting rod 7 and the deflector rod 8 are leveled by moving the hook 6 due to the tensile force of the two springs 5 and the bidirectional release mechanism of the telescopic element, and the handle 10 is also in a horizontal state.
Referring to fig. 9, when the handle 10 is pulled down, the clamping block 101 of the handle 10 drives the rotating shaft 9 to rotate through the clamping groove 92 of the rotating shaft 9, so as to drive the deflector rod 8 to swing clockwise in the groove 131, the deflector rod 8 dials up the connecting rod 7, and drives the slide rod 2 to move horizontally backward (i.e. rightward in the drawing), so that the brake cable is pulled backward, the telescopic element is released, and at the moment, the box body of the crane can be pulled down by continuing to pull down the handle 10, and meanwhile, the spring 5 is lengthened. When the hand is released, the spring 5 is quickly reset, the movable hook 6 is driven to move forwards (namely, the left direction in the drawing) so as to drive the slide rod 2 and the connecting rod 7 to move forwards, the deflector rod 8 swings anticlockwise, the handle 10 is lifted upwards, the bidirectional release mechanism is reset, the telescopic element is locked, and the box body of the crane tower is fixed.
Referring to fig. 10, when the handle 10 is pressed, the clamping block 101 of the handle 10 drives the rotating shaft 9 to rotate through the clamping groove 92 of the rotating shaft 9, so as to drive the deflector rod 8 to swing anticlockwise in the groove 131, the deflector rod 8 presses down the connecting rod 7, and drives the slide rod 2 to move horizontally backwards (i.e. rightward in the drawing), so that the brake cable is pulled backwards, and the telescopic element is released. At this time, the case of the crane can be lifted by pressing the handle 10 upward, and the spring 5 is lengthened. When the hand is released, the spring 5 is quickly reset, the movable hook 6 is driven to move forwards (namely, the left direction in the drawing) so as to drive the slide rod 2 and the connecting rod 7 to move forwards, the deflector rod 8 swings clockwise, the handle 10 moves downwards, the bidirectional release mechanism is reset, the telescopic element is locked, and the box body of the crane is fixed.
In summary, the bidirectional release mechanism for the telescopic element of the present invention can release the telescopic element when the handle 10 is pulled down, and continue to pull down the handle 10, so that the box body of the crane is lowered. It is also possible to release the telescopic element when the handle 10 is pressed up, continuing to press up the handle 10, so that the tower crane box rises. It is also possible to achieve that the housing can be locked immediately after releasing the handle 10.
Through the bidirectional release mechanism, the box body can smoothly ascend and descend, can be locked at any time according to the requirements of users, and is very convenient and quick to operate.
It should be noted that the foregoing description of the preferred embodiments is merely illustrative of the technical concept and features of the present invention, and is not intended to limit the scope of the invention, as long as the scope of the invention is defined by the claims and their equivalents. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (5)
1. The utility model provides a bi-directional release mechanism of telescopic element, is including installing on support (1), be used for controlling the displacement subassembly that the position removed, the displacement subassembly include handle (10), with handle (10) complex pivot (9) and connect driving lever (8) on pivot (9), its characterized in that: the shifting assembly further comprises a connecting rod (7) and a sliding rod (2) connected with the telescopic element through a brake cable, wherein one end of the connecting rod (7) is in pivot connection with the deflector rod (8), and the other end of the connecting rod (7) is in pivot connection with the sliding rod (2);
a clamping block (101) is formed on the handle (10), a clamping groove (92) is formed on the rotating shaft (9), and the clamping groove (92) is used for accommodating the clamping block (101); the bracket (1) is substantially U-shaped, having two side walls (11; 12) and a bottom wall (13);
a supporting plate (14) is arranged between the two side walls (11; 12) of the bracket (1), a through hole (141) is formed in the supporting plate (14), a sliding bearing (3) is arranged in the through hole (141), and the sliding bearing (3) is sleeved on the sliding rod (2);
when the handle (10) is pulled down, the deflector rod (8) pulls up the connecting rod (7) to drive the sliding rod (2) to move horizontally backwards, so that the brake cable is pulled backwards, and the telescopic element is released;
when the handle (10) is pressed up, the deflector rod (8) presses down the connecting rod (7) to drive the sliding rod (2) to move horizontally backwards, so that the brake cable is pulled backwards, and the telescopic element is released.
2. The bi-directional release mechanism of a telescoping member according to claim 1, wherein: the bidirectional release mechanism also comprises a reset component for controlling the reset of the handle (10).
3. The bi-directional release mechanism of a telescoping member according to claim 2, wherein: the reset assembly comprises a fixed hook (4), a movable hook (6) and a spring (5), wherein the movable hook (6) is fixedly arranged at one end, close to the connecting rod (7), of the sliding rod (2), and the spring (5) is connected between the fixed hook (4) and the movable hook (6).
4. The bi-directional release mechanism of a telescoping member according to claim 1, wherein: lugs (15) are respectively connected to two ends of the bottom wall (13) of the bracket (1) and are used for accommodating the rotating shaft (9).
5. The bi-directional release mechanism of a telescoping member according to claim 4, wherein: a groove (131) is formed in the bottom wall (13) of the bracket (1), and the deflector rod (8) passes through the groove (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012501.5A CN106667585B (en) | 2017-01-08 | 2017-01-08 | Bidirectional release mechanism of telescopic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012501.5A CN106667585B (en) | 2017-01-08 | 2017-01-08 | Bidirectional release mechanism of telescopic element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106667585A CN106667585A (en) | 2017-05-17 |
| CN106667585B true CN106667585B (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710012501.5A Active CN106667585B (en) | 2017-01-08 | 2017-01-08 | Bidirectional release mechanism of telescopic element |
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| Country | Link |
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| CN (1) | CN106667585B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670846A (en) * | 2018-06-15 | 2018-10-19 | 苏康翔 | A kind of stir-fry medicine device and application method fried medicine kettle and be convenient for locking |
| EP3646840A1 (en) * | 2018-11-05 | 2020-05-06 | Ondal Medical Systems GmbH | Supply device for providing at least one supplying product |
| CN114869643B (en) * | 2022-05-18 | 2024-03-01 | 迈柯唯医疗设备(苏州)有限公司 | Medical crane tower height adjusting device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1120106C (en) * | 1997-02-05 | 2003-09-03 | 株式会社岛野 | Bicycle brake operating device |
| CN2582981Y (en) * | 2002-12-12 | 2003-10-29 | 林口仪器工业股份有限公司 | Bidirectional brake |
| CN101407186B (en) * | 2007-10-12 | 2012-03-07 | 湖北中航精机科技股份有限公司 | Bidirectional self-locking apparatus |
| CN102736663B (en) * | 2012-07-24 | 2013-12-11 | 迈柯唯医疗设备(苏州)有限公司 | Rotary control structure with automatic folding function |
| CN203338194U (en) * | 2013-07-16 | 2013-12-11 | 迈柯唯医疗设备(苏州)有限公司 | Randomly-stopping type manual control mechanism |
| CN103349569A (en) * | 2013-08-02 | 2013-10-16 | 迈柯唯医疗设备(苏州)有限公司 | Electric lifting structure for medical hanging tower |
| CN204394688U (en) * | 2015-01-14 | 2015-06-17 | 迈柯唯医疗设备(苏州)有限公司 | Medical hoist tower mechanism for quick fixing |
| CN206809331U (en) * | 2017-01-08 | 2017-12-29 | 迈柯唯医疗设备(苏州)有限公司 | The two-way relieving mechanism of telescopic element |
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2017
- 2017-01-08 CN CN201710012501.5A patent/CN106667585B/en active Active
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| CN106667585A (en) | 2017-05-17 |
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