CN201295353Y - Waist bridge rising structure - Google Patents
Waist bridge rising structure Download PDFInfo
- Publication number
- CN201295353Y CN201295353Y CNU2008202131159U CN200820213115U CN201295353Y CN 201295353 Y CN201295353 Y CN 201295353Y CN U2008202131159 U CNU2008202131159 U CN U2008202131159U CN 200820213115 U CN200820213115 U CN 200820213115U CN 201295353 Y CN201295353 Y CN 201295353Y
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- China
- Prior art keywords
- screw
- screw rod
- shaft
- waist bridge
- lifting body
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- Expired - Lifetime
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Abstract
The utility model discloses a waist bridge rising structure comprising a torque transmission shaft, two multi-level screws, a frame and power units, each multi-level screw comprises at least two screws with screw thread connected orderly, the outermost screws of the two multi-level screws are both in running fit with the frame, the two ends of the transmission shaft are respectively connected with the benmost screws and at least one outermost screw of the multi-level screws is connected with the power unit. When power is input, the multi-level screw drives the waist bridge up and down, the whole rising structure having a simple and small structure and an effort-saving operation can realize a large-distance rising by connecting the torque transmission shaft and two driving units to make the two multi-level screws work at the same time and rise a waist bridge steadily.
Description
Technical field
This utility model is the waist bridge elevating mechanism that is used on the medical operating platform about a kind of.
Background technology
The waist bridge lowering or hoisting gear of some waists that can raise the patient is arranged in the present operating-table, (as kidney, gallbladder etc.) near the waist are undergone surgery thereby be convenient to the doctor.The patent No. is that the Chinese patent of ZL03140533.9 discloses a kind of operating-table, and this operating-table adopts oil cylinder to promote the lifting of waist bridge.The patent No. is that the Chinese patent of ZL200510004723.X discloses a kind of back elevating mechanism, and it is that waist at operating-table is provided with the rack-and-pinion elevating mechanism and comes jacking waist bridge, and finally drives by worm and gear with the chain kind of drive.Though these two kinds devices can both be realized the lifting of waist bridge, the drive mechanism complexity, volume is big, and very difficult adaptation has the operating-table of higher extreme position requirement.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the deficiencies in the prior art, provide a kind of simple in structure small and exquisite, the jacking stroke big and lifting waist bridge lifting body stably.
The technical solution adopted for the present invention to solve the technical problems is: a kind of waist bridge lifting body, comprise torsion transmitter shaft, two multi-stage screws, frame and Power Components, each multi-stage screw comprises belled at least two screw rods of screw thread in turn, the screw rod of two multi-stage screw outermosts all is rotatably assorted with frame, the two ends of transmitter shaft connect two interior screw rods of multi-stage screw respectively, and wherein the outermost screw rod of at least one multi-stage screw is connected with Power Component.
Described Power Component comprises first and second bevel gear of power shaft and engagement, power shaft and frame are rotatably assorted and the pivot center level, first bevel gear is solidly set on this power shaft, and second bevel gear is solidly set on the vertical gear shaft, and this gear shaft is connected with the screw rod power of outermost by gear train.Described gear train comprises first spur gear and second spur gear that is meshed, and first spur gear is solidly set on the gear shaft, and second spur gear is solidly set on the screw rod of outermost.
The pitch of described every screw flight is identical.Described every screw flight is a trapezoidal thread.
The top of interior described screw rod has horizontal rotating shaft, and driven unit comprises also and the fixed gusset piece of waist bridge that gusset piece is by the rotating top that is bearing in inner screw of this rotating shaft, and the two ends of transmitter shaft are connected with the rotating shaft of two driven units respectively.Described transmitter shaft is the axis body of X-ray thoroughly.Described Power Component has two, and the screw rod of two multi-stage screw outermosts all is connected with Power Component.
Described multi-stage screw comprises at least three screw rods.Described multi-stage screw comprises belled in turn first screw rod, second screw rod and the 3rd screw rod, first screw rod is rotating to be bearing on the frame, the external screw thread of the female thread of first screw rod and second screw rod screws, and the external screw thread of the female thread of second screw rod and the 3rd screw rod screws.
The invention has the beneficial effects as follows, when 1) power is imported, drive the lifting of waist bridge by multi-stage screw, whole elevating mechanism is simple in structure small and exquisite, rapid operation can be realized the jacking of big stroke, connects two driven units by the transmitter shaft that can transmit moment of torsion, make two multi-stage screw synchronous workings, lifting waist bridges stably.2) pitch of screw flight is identical, is more convenient for making two driven unit synchronization liftings.3) transmitter shaft X-ray thoroughly makes waist can carry out effective X-ray irradiation.4) by intermeshing first and second bevel gear is set, can be converted to vertical rotation with horizontally rotating, the handled easily person operates in the side of entire mechanism.
Description of drawings
Fig. 1 is the three-dimensional exploded view of present embodiment waist bridge lifting body;
Fig. 2 is the axonometric chart of the driven unit of present embodiment waist bridge lifting body;
Fig. 3 is the three-dimensional exploded view of the driven unit of present embodiment waist bridge lifting body;
Fig. 4 is the cutaway view of the multi-stage screw of present embodiment.
The specific embodiment
As shown in Figures 1 to 4, present embodiment waist bridge lifting body comprises transmitter shaft 1 and the torsion that is positioned between 2, two driven units 2 of two driven units at these transmitter shaft 1 left and right two ends transmits by this transmitter shaft 1.Each driven unit 2 comprises multi-stage screw 3, frame 4 and Power Component 5.Multi-stage screw 3 has coaxial line belled first screw rod 31 of screw thread in turn, second screw rod 32 and the 3rd screw rod 33, first screw rod 31 has female thread 311, second screw thread 32 has female thread 321 and external screw thread 322, the 3rd screw rod 33 has external screw thread 331, second screw rod 32 inserts in first screw rod 31, the 3rd screw rod 33 inserts in second screw rod 32, the female thread 311 of first screw rod and the external screw thread 322 of second screw rod screw, the female thread 321 of second screw rod and the external screw thread 331 of the 3rd screw rod screw, first screw rod 31 is the screw rod of multi-stage screw outermost, and the 3rd screw rod 33 is the interior screw rod of multi-stage screw.First screw rod 31 is bearing on the frame 4 by bearing is rotating, and the pivot center of first screw rod 31 is vertical.The screw thread of first, second and third screw rod 31,32,33 is trapezoidal thread and pitch is identical.
In addition, the top of the 3rd screw rod 53 of multi-stage screw has the horizontal rotating shaft parallel with power shaft 532, the gusset piece 533 that is used for fixing the waist bridge plate is by these rotating shaft 532 rotating the 3rd screw rod 33 tops that are bearing in, and the two ends of transmitter shaft 1 are connected with the rotating shaft of two driven units respectively.
When needing lifting waist bridge plate, rotate the handle that is connected with one of them driven unit, first and second bevel gear 52,53 by engagement will horizontally rotate and be converted to vertical rotation, and by gear train with transmission of power to first screw rod 31, making first screw rod 31 rotate around it axis vertically rotates, the two-stage screw rod that forms by first, second and third screw rod 31,32,33 drives the lifting of waist bridge plate then.During the multi-stage screw lifting of this driven unit, its 3rd screw rod 33 is given the 3rd screw rod of another driven unit by torsion transmitter shaft 1 with transmission of power, makes the 3rd screw rod synchronization lifting of this another driven unit.
In the present embodiment, first screw rod of multi-stage screw is connected with Power Component and turns, and the 3rd screw rod is connected with the torsion transmitter shaft; Certainly, also first screw rod can be considered as interior screw rod, the 3rd screw rod is considered as the screw rod of outermost, the 3rd screw rod is rotatably assorted with frame and is connected with Power Component and turns, and first screw rod then is connected with transmitter shaft.Power Component has two, and the screw rod of two multi-stage screw outermosts connects two Power Components respectively, thereby and arranged on left and right sides all can be carried out lift adjustment by handle.Certainly, Power Component also can only have one, has only the outermost screw rod of a multi-stage screw to be connected with it.For multi-stage screw, the pivot center of outermost screw rod can be vertically, level or be certain included angle with vertical plane, horizontal plane.Transmitter shaft can level, also can have an angle with horizontal plane.Frame has separates two that are provided with, and certainly, also can be the integral type frame.
In the present embodiment, multi-stage screw comprises belled three screw rods of screw thread in turn; Certainly, multi-stage screw also can comprise belled two screw rods of screw thread or the screw rod more than three in turn.The pitch of every screw rod is identical, also can be inequality.Power Component comprises bevel gear set and straight-tooth wheels, certainly, also can adopt other Power Component that first screw rod is rotated, as adopting sprocket chain bar assembly, belt Power Component etc.Transmitter shaft is made by the material of X-ray thoroughly, as carbon fibre material; Certainly, transmitter shaft also can be made by the material of X-ray opaque.Fixedly the gusset piece of waist bridge plate can rotate in the certain angle scope, also can directly be fixed on the top of the interior screw rod of multi-stage screw (as the 3rd screw rod).Transmitter shaft can all be installed in the rotating shaft of inner screw with gusset piece, and transmitter shaft also can be installed in other position of inner screw.
Above content be in conjunction with concrete preferred implementation to further describing that this utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from this utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. waist bridge lifting body, it is characterized in that: comprise torsion transmitter shaft, two multi-stage screws, frame and Power Components, each multi-stage screw comprises belled at least two screw rods of screw thread in turn, the screw rod of two multi-stage screw outermosts all is rotatably assorted with frame, the two ends of transmitter shaft connect two interior screw rods of multi-stage screw respectively, and wherein the outermost screw rod of at least one multi-stage screw is connected with Power Component.
2. waist bridge lifting body according to claim 1, it is characterized in that: described Power Component comprises first and second bevel gear of power shaft and engagement, power shaft and frame are rotatably assorted and the pivot center level, first bevel gear is solidly set on this power shaft, second bevel gear is solidly set on the vertical gear shaft, and this gear shaft is connected with the screw rod of outermost by gear train.
3. waist bridge lifting body according to claim 2 is characterized in that: described gear train comprises first spur gear and second spur gear that is meshed, and first spur gear is solidly set on the gear shaft, and second spur gear is solidly set on the screw rod of outermost.
4. waist bridge lifting body according to claim 1, it is characterized in that: the pitch of described every screw flight is identical.
5. waist bridge lifting body according to claim 4 is characterized in that: described every screw flight is a trapezoidal thread.
6. waist bridge lifting body according to claim 1, it is characterized in that: the top of interior described screw rod has horizontal rotating shaft, driven unit also comprises and the fixed gusset piece of waist bridge, gusset piece is by the rotating top that is bearing in inner screw of this rotating shaft, and the two ends of transmitter shaft are connected with the rotating shaft of two driven units respectively.
7. waist bridge lifting body according to claim 1 is characterized in that: described transmitter shaft is the axis body of X-ray thoroughly.
8. waist bridge lifting body according to claim 1 is characterized in that: described Power Component has two, and the screw rod of two multi-stage screw outermosts all is connected with Power Component.
9. according to any described waist bridge lifting body among the claim 1-8, it is characterized in that: described multi-stage screw comprises at least three screw rods.
10. waist bridge lifting body according to claim 9, it is characterized in that: described multi-stage screw comprises belled in turn first screw rod, second screw rod and the 3rd screw rod, first screw rod is rotating to be bearing on the frame, the external screw thread of the female thread of first screw rod and second screw rod screws, and the external screw thread of the female thread of second screw rod and the 3rd screw rod screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202131159U CN201295353Y (en) | 2008-10-28 | 2008-10-28 | Waist bridge rising structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202131159U CN201295353Y (en) | 2008-10-28 | 2008-10-28 | Waist bridge rising structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201295353Y true CN201295353Y (en) | 2009-08-26 |
Family
ID=41041312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202131159U Expired - Lifetime CN201295353Y (en) | 2008-10-28 | 2008-10-28 | Waist bridge rising structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201295353Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104306127A (en) * | 2014-10-21 | 2015-01-28 | 无锡怡生医疗设备有限公司 | Operating table waist bridge mechanism |
| CN107088133A (en) * | 2017-06-15 | 2017-08-25 | 孙永 | A kind of medical device support device |
| CN107695919A (en) * | 2017-11-22 | 2018-02-16 | 韩学 | A kind of manipulator work tool of improvement |
| CN107972053A (en) * | 2017-12-19 | 2018-05-01 | 深圳爱她他智能餐饮技术有限公司 | A kind of elevation and subsidence mechanical hand and its lifting surface frame |
| CN111035515A (en) * | 2019-12-16 | 2020-04-21 | 深圳市威雄精机有限公司 | Nursing bed |
| CN112842792A (en) * | 2020-12-28 | 2021-05-28 | 河北谊安奥美医疗设备有限公司 | Screw rod waist bridge jacking linkage device |
-
2008
- 2008-10-28 CN CNU2008202131159U patent/CN201295353Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104306127A (en) * | 2014-10-21 | 2015-01-28 | 无锡怡生医疗设备有限公司 | Operating table waist bridge mechanism |
| CN107088133A (en) * | 2017-06-15 | 2017-08-25 | 孙永 | A kind of medical device support device |
| CN107088133B (en) * | 2017-06-15 | 2019-05-07 | 浙江探针生物科技有限公司 | A kind of medical device support device |
| CN107695919A (en) * | 2017-11-22 | 2018-02-16 | 韩学 | A kind of manipulator work tool of improvement |
| CN107972053A (en) * | 2017-12-19 | 2018-05-01 | 深圳爱她他智能餐饮技术有限公司 | A kind of elevation and subsidence mechanical hand and its lifting surface frame |
| CN111035515A (en) * | 2019-12-16 | 2020-04-21 | 深圳市威雄精机有限公司 | Nursing bed |
| CN112842792A (en) * | 2020-12-28 | 2021-05-28 | 河北谊安奥美医疗设备有限公司 | Screw rod waist bridge jacking linkage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090826 |
|
| CX01 | Expiry of patent term |