CN217285835U - Deformation preventing mechanism for lead screw in inspection bed - Google Patents
Deformation preventing mechanism for lead screw in inspection bed Download PDFInfo
- Publication number
- CN217285835U CN217285835U CN202220472773.XU CN202220472773U CN217285835U CN 217285835 U CN217285835 U CN 217285835U CN 202220472773 U CN202220472773 U CN 202220472773U CN 217285835 U CN217285835 U CN 217285835U
- Authority
- CN
- China
- Prior art keywords
- lead screw
- box
- push rod
- bed board
- bed
- 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
Links
Images
Abstract
The utility model relates to a shape mechanism of preapring for an unfavorable turn of events of lead screw in inspection bed relates to medical instrument's technical field, and it includes box, bed board, lead screw and push rod, the upper end of box is the opening form setting, just the bed board slides and sets up the open end that states the box, the lead screw level sets up in the box, just the lead screw both ends are all rotated and are connected on the inner wall at box both ends, the fixed nut that is provided with of terminal surface under the bed board wherein one end, just the nut with the lead screw agrees with mutually, the push rod sets up the lower extreme of lead screw intermediate position, and be used for the top tight the lead screw, simultaneously be provided with control in the box the driving source of the vertical motion of push rod. This application utilizes the push rod to support the lead screw through setting up the inspection bed of particular structure, and can go up and down when the bed board moves, does not cause the interference to the removal of bed board, prevents effectively that the lead screw from taking place crooked deformation in the use, improves the accuracy of bed board motion.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to an anti-deformation mechanism of a screw rod in an examining table.
Background
When PET-CT examination is carried out on a human body, an imaging device examination table and other combined devices are utilized to carry out accurate displacement in the horizontal direction, so that the human body is comprehensively examined. When the bed board of the current examining table performs horizontal movement, the bed board is generally driven by a screw mechanism for carrying the human body to move in the horizontal direction.
In view of the above-mentioned related technologies, because the displacement of the bed plate is large, the length of the screw rod is relatively long, and because a certain weight exists in the human body, the screw rod mechanism is easy to bend and deform after being used for a long time, so that the accuracy of the movement of the bed plate is affected, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
In order to improve the accuracy of bed board motion, this application provides a deformation mechanism of preapring for an unfavorable turn of events of lead screw in inspection bed.
The application provides a deformation mechanism that preapres for an unfavorable turn of events of lead screw in inspection bed adopts following technical scheme:
the utility model provides an anti-deformation mechanism of lead screw in inspection bed, includes box, bed board, lead screw and push rod, the upper end of box is the opening form setting, just the bed board slides and sets up the open end that states the box, the lead screw level sets up in the box, just the lead screw both ends are all rotated and are connected on the inner wall at box both ends, the fixed nut that is provided with of terminal surface under one of bed board wherein, just the nut with the lead screw agrees with mutually, the push rod sets up the lower extreme of lead screw intermediate position, and be used for the top tight the lead screw, simultaneously be provided with control in the box the driving source of the vertical motion of push rod.
Through adopting above-mentioned technical scheme, when examining the human body, make the nut carry out accurate removal on the lead screw through rotating the lead screw, the nut drives the bed board and slides on the box simultaneously. When the bed board moves to a specific position, the driving source controls the push rod to move downwards, so that the nut can pass through the push rod. When the nut penetrates through the push rod, the drive source controls the push rod to move upwards and tightly push the lower surface of the lead screw again, and the support of the lead screw is realized. Through setting up the inspection bed of particular structure, utilize the push rod to support the lead screw, and can go up and down when the bed board moves, do not cause the interference to the removal of bed board, prevent effectively that the lead screw from taking place crooked deformation in the use, improve the accuracy of bed board motion.
Optionally, a pair of sensors distributed on two sides of the push rod is arranged on the side wall of the box body, and the sensors are used for detecting the moving position of the nut and feeding back a signal to the driving source so as to control the push rod to vertically slide.
Through adopting above-mentioned technical scheme, when the bed board moved, on control nut constantly removed the position to one of them sensor, give the driving source with the signal transmission to the control push rod moves downwards, and the space that until production can supply the nut to pass. And then the control nut moves to the position of another sensor, the signal is transmitted to the driving source again, and the push rod is controlled to move upwards until the push rod is completely propped against the lower surface of the lead screw. Through setting up response mechanism, the automatic control push rod goes up and down to the realization improves the convenience in the push rod use to the support of lead screw.
Optionally, a wear-resistant supporting block is fixedly arranged at the top end of the push rod.
Through adopting above-mentioned technical scheme, through setting up wear-resisting supporting shoe at the push rod top, reduce the wearing and tearing between push rod and the lead screw, improve the life of push rod.
Optionally, a connecting bearing is arranged between the two ends of the lead screw and the inner wall of the box body.
Through adopting above-mentioned technical scheme, through set up the connection bearing between box and lead screw, reduce the lead screw when rotating and the box between the frictional force, make the rotation of lead screw more smooth.
Optionally, a pair of guide rails is arranged on the upper end face of the box body side by side, and a sliding block horizontally and slidably connected with the guide rails is arranged on the bed board.
Through adopting above-mentioned technical scheme, when the bed board slided in the box upper end, the slider of control bed board lower extreme both sides moved along the guide rail, made the bed board can move steadily in the upper end of box, improved the stability of bed board removal process.
Optionally, two sides of the bed board are arranged in an upward-tilted manner.
By adopting the technical scheme, the two sides of the bed plate are arranged to be upwards tilted, so that a human body can stably lie in the middle of the bed plate when being checked, the human body can be checked more accurately, and the checking accuracy is improved.
Optionally, the outer walls of the two sides of the bed board are arranged in an inclined plane, and the upper end of the box body is inclined and matched with the outer walls of the two sides of the bed board.
By adopting the technical scheme, the outer walls of the two sides of the bed board are arranged to be inclined planes, and the upper end of the box body is arranged in an inclined shape matched with the outer walls of the two sides of the bed board, so that the bed board is attached to the box body, the bed board is supported, and the stability of the bed board during movement is improved.
Optionally, the upper end face of the bed plate is provided with a wear pad.
Through adopting above-mentioned technical scheme, through set up the wear pad in the upper end of bed board, reduce the wearing and tearing to the bed board in the use, increase the life of bed board.
In summary, the present application includes at least one of the following beneficial technical effects:
the inspection bed with a specific structure is arranged, the screw rod is supported by the push rod and can be lifted when the bed plate moves, so that the movement of the bed plate is not interfered, the screw rod is effectively prevented from being bent and deformed in the use process, and the movement accuracy of the bed plate is improved;
the induction mechanism is arranged, so that the push rod is automatically controlled to lift, the lead screw is supported, and the convenience of the push rod in the using process is improved;
the two sides of the bed plate are arranged to be upwards tilted, so that a human body can stably lie in the middle of the bed plate, the human body can be more accurately checked, and the checking accuracy is improved.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a front sectional view of an embodiment of the present application.
Fig. 3 is a side sectional view in an embodiment of the present application.
Description of the reference numerals: 1. a box body; 11. a guide rail; 12. a slider; 2. a bed board; 21. a wear pad; 3. a lead screw; 4. a push rod; 41. a wear resistant support block; 5. a nut; 6. a drive source; 7. a sensor; 8. connecting a bearing; 9. a servo motor.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses deformation mechanism of preapring for an unfavorable turn of events of lead screw in inspection bed.
Referring to fig. 1, the deformation preventing mechanism includes a case 1, a bed plate 2, a screw rod 3 and a nut 5. Wherein the top of box 1 is the setting of opening form, and the lateral wall of box 1 upper end both sides is the upwards slope form setting from inside to outside, is provided with a pair of guide rail 11 on the lateral wall of box 1 upper end side by side simultaneously.
Referring to fig. 1, the bed plate 2 is horizontally disposed at the opening end of the box body 1, and the two sides of the lower end of the bed plate 2 are both provided with slide blocks 12 engaged with the guide rails 11 for the bed plate 2 to horizontally slide at the opening end of the box body 1. Meanwhile, the outer walls of the two sides of the bed plate 2 are arranged in an inclined plane, and the inclined plane of the outer wall of the bed plate 2 is matched with the inclined plane at the upper end of the box body 1.
Referring to fig. 3, both sides of the upper end surface of the bed plate 2 are tilted upward, so that a human body can stably lie on the middle position of the bed plate 2. The upper end surface of the bed plate 2 is provided with a wear-resistant pad 21, so that the abrasion to the bed plate 2 in the using process is reduced, and the service life of the bed plate 2 is prolonged.
Referring to fig. 2, the screw rod 3 is horizontally disposed in the box body 1, and the two ends of the screw rod 3 are both provided with the connecting bearings 8, and are rotatably connected to the side walls at the two ends in the box body 1. One end of the box body 1 is provided with a servo motor 9 which is used for driving the screw rod 3 to rotate. The nut 5 is arranged on the lower end face of one end of the bed plate 2, sleeved on the screw rod 3 and matched with the screw rod 3.
When the human body is checked, the human body lies on the bed plate 2 flatly, and the screw rod 3 is controlled to rotate by the servo motor 9, so that the nut 5 moves accurately along the length direction of the screw rod 3. Meanwhile, the nut 5 drives the bed plate 2 to move together, so that the slide block 12 at the lower end of the bed plate 2 is controlled to move along the length direction of the guide rail 11 at the upper end of the box body 1, and the human body is checked.
Referring to fig. 2, a push rod 4 is disposed on the bottom wall of the box 1, the push rod 4 is disposed at the lower end of the middle position of the screw rod 3, and a wear-resistant support block 41 is disposed on the upper section of the push rod 4 and is used for tightly supporting the lower surface of the screw rod 3. Meanwhile, the bottom wall of the box body 1 is provided with a driving source 6 for controlling the push rod 4 to move vertically, and the driving source 6 is an electric cylinder.
Referring to fig. 2, a pair of sensors 7 disposed on both sides of the push rod 4 are disposed on a side wall of one side of the housing 1, and the sensors 7 are used for detecting a moving position of the nut 5 and feeding back a detected signal to the driving source 6 for controlling the push rod 4 to move in a vertical direction.
Therefore, when the nut 5 drives the bed plate 2 to move, and when the nut 5 gradually moves to one of the sensors 7, the sensor 7 transmits information sensing the position of the nut 5 to the driving source 6, and the driving source 6 is used for controlling the push rod 4 to vertically move downwards, so that a gap for the nut 5 to pass through is formed between the screw rod 3 and the push rod 4. The control screw 3 then continues to rotate while the nut 5 continues to move forward.
After the nut 5 completely passes through the gap above the push block, the nut moves to another sensor 7, at this time, the sensor 7 transmits the position information of the nut 5 to the driving source 6 again, and the driving source 6 controls the push rod 4 to move vertically upwards, so that the wear-resistant supporting block 41 at the upper end of the push rod 4 is tightly propped against the lower end of the lead screw 3 again, and the support of the lead screw 3 is realized. The process of accommodating the bed plate 2 is opposite to that of accommodating the bed plate, and the detailed description is omitted.
The implementation principle of the deformation mechanism of preapring for an unfavorable turn of events of lead screw in this application embodiment is: when the human body is inspected, the screw rod 3 is controlled to rotate, and the nut 5 and the bed plate 2 are driven to synchronously move. When the nut 5 gradually moves to the position of one of the sensors 7, the sensor 7 transmits information sensing the position of the nut 5 to the driving source 6, and the driving source 6 is used for controlling the push rod 4 to vertically move downwards, so that a gap for the nut 5 to pass through is formed between the screw rod 3 and the push rod 4. And then controlling the screw rod 3 to continue rotating, and simultaneously enabling the nut 5 to continue moving forwards until the nut 5 moves to the position of another sensor 7, enabling the push rod 4 to move upwards, and enabling the push rod 4 to be tightly jacked at the lower end of the screw rod 3 again to realize the support of the screw rod 3.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a deformation mechanism of preapring for an unfavorable turn of events of lead screw in inspection bed which characterized in that: including box (1), bed board (2), lead screw (3) and push rod (4), the upper end of box (1) is the opening form setting, just bed board (2) slide to set up the open end that states box (1), lead screw (3) level sets up in box (1), just lead screw (3) both ends are all rotated and are connected on the inner wall at box (1) both ends, bed board (2) wherein under one end the terminal surface is fixed and is provided with nut (5), just nut (5) with lead screw (3) agree with mutually, push rod (4) set up the lower extreme of lead screw (3) intermediate position, and be used for the top tightly lead screw (3), simultaneously be provided with control in box (1) the driving source (6) of push rod (4) vertical motion.
2. The deformation preventing mechanism for the lead screw in the inspection bed according to claim 1, wherein: the side wall of the box body (1) is provided with a pair of sensors (7) distributed on two sides of the push rod (4), the sensors (7) are used for detecting the moving position of the nut (5) and feeding back signals to the driving source (6) to control the push rod (4) to vertically slide.
3. The deformation preventing mechanism for the lead screw in the inspection bed according to claim 1, wherein: and a wear-resistant supporting block (41) is fixedly arranged at the top end of the push rod (4).
4. The deformation preventing mechanism for the lead screw in the inspection bed according to claim 1, wherein: and a connecting bearing (8) is arranged between the two ends of the lead screw (3) and the inner wall of the box body (1).
5. The deformation preventing mechanism for the lead screw in the inspection bed according to claim 1, wherein: the upper end face of the box body (1) is provided with a pair of guide rails (11) side by side, and the bed board (2) is provided with a slide block (12) which is horizontally and slidably connected with the guide rails (11).
6. The deformation preventing mechanism for the lead screw in the inspection bed according to claim 5, wherein: the two sides of the bed board (2) are arranged in an upward-tilted shape.
7. The deformation preventing mechanism for the lead screw in the inspection bed according to claim 6, wherein: the outer walls of the two sides of the bed board (2) are arranged in an inclined plane, and the upper end of the box body (1) is inclined and matched with the outer walls of the two sides of the bed board (2).
8. The deformation preventing mechanism for the lead screw in the inspection bed according to claim 6, wherein: the upper end surface of the bed plate (2) is provided with a wear-resistant pad (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220472773.XU CN217285835U (en) | 2022-03-04 | 2022-03-04 | Deformation preventing mechanism for lead screw in inspection bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220472773.XU CN217285835U (en) | 2022-03-04 | 2022-03-04 | Deformation preventing mechanism for lead screw in inspection bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217285835U true CN217285835U (en) | 2022-08-26 |
Family
ID=82935172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220472773.XU Active CN217285835U (en) | 2022-03-04 | 2022-03-04 | Deformation preventing mechanism for lead screw in inspection bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217285835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024046382A1 (en) * | 2022-09-02 | 2024-03-07 | 广州医软智能科技有限公司 | Hospital bed dr box support structure |
-
2022
- 2022-03-04 CN CN202220472773.XU patent/CN217285835U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024046382A1 (en) * | 2022-09-02 | 2024-03-07 | 广州医软智能科技有限公司 | Hospital bed dr box support structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217285835U (en) | Deformation preventing mechanism for lead screw in inspection bed | |
| CN111545660B (en) | Pressing arm type bending center feeding mechanism | |
| CN109540521B (en) | Ball bearing wearing principle test bed | |
| CN203045188U (en) | Height tracer and gantry weld using same | |
| CN212489932U (en) | CT examination device | |
| CN210180391U (en) | Thickness measuring device for machine manufacturing | |
| CN105958745B (en) | A kind of rotor axial gap measuring apparatus of radiation fan on vehicle motor | |
| CN216954472U (en) | Automobile die surface flatness detection equipment | |
| CN111175674A (en) | High-precision magnetic field measuring equipment | |
| CN211652957U (en) | Large-load high-precision electric Z-axis displacement table for probe card test | |
| CN217155319U (en) | Surface roughness measuring device for production and processing of cold-rolled sheet automobile parts | |
| CN206573084U (en) | A kind of sensing mechanism for glitch detection | |
| CN114705104A (en) | Building engineering technical service detection device | |
| CN210639108U (en) | Multifunctional sample stage detection device for X-ray diffractometer | |
| CN215017264U (en) | Physical examination machine capable of automatically lifting and lowering blood pressure measuring platform | |
| CN217960115U (en) | Lifting column and medical imaging equipment | |
| CN219573144U (en) | High-capacity exquisite temperature and humidity recorder | |
| CN211576853U (en) | Lubricating oil wear testing machine | |
| CN114425000B (en) | Bronchoscope biopsy operating table with built-in movable magnetic field generator | |
| CN211332131U (en) | Mechanical gauge outfit shell assembly machine | |
| CN213465016U (en) | Nuclear magnetic resonance inspection device | |
| CN215517508U (en) | Temperature measuring device in residual iron discharging process of blast furnace | |
| CN215598588U (en) | Subway traction motor performance test system | |
| CN216876639U (en) | Multi freedom surgical instruments location strutting arrangement | |
| CN220899052U (en) | Medical science is inspection bed for image |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |