CN216854698U - CT scanning bed capable of being braked emergently - Google Patents
CT scanning bed capable of being braked emergently Download PDFInfo
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- CN216854698U CN216854698U CN202122742970.7U CN202122742970U CN216854698U CN 216854698 U CN216854698 U CN 216854698U CN 202122742970 U CN202122742970 U CN 202122742970U CN 216854698 U CN216854698 U CN 216854698U
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Abstract
The utility model relates to the field of CT and discloses a CT scanning bed capable of being braked emergently. The utility model discloses a CT scanning bed capable of being braked emergently, which comprises: bedstead, bed surface, actuating mechanism, electromagnet and emergency stop button, the bed surface sets up on the bedstead, and actuating mechanism includes: driving motor, ball and friction spring piece, ball are connected with driving motor, and the friction spring piece sets up on ball, and the bed surface passes through slider and the setting of ball meshing, and electromagnet sets up on the bedstead, sets up with the friction spring piece interval, and electromagnet and scram button electric connection. According to the CT scanning bed capable of being braked emergently, the driving motor drives the bed surface to slide through the ball screw, when emergency braking is needed, the emergency stop button is pressed, the electromagnetic chuck is electrified to generate suction, the friction spring piece is adsorbed on the electromagnetic chuck, the friction spring piece stops rotating, the ball screw is forced to stop rotating, the bed surface stops running, and safety of equipment and personnel is guaranteed.
Description
Technical Field
The embodiment of the utility model relates to the field of CT, in particular to a CT scanning bed capable of being braked emergently.
Background
CT, Computed Tomography. A medical CT machine is a commonly used diagnostic apparatus that inspects the internal structure of a human body by using radiation to provide a doctor with auxiliary information for disease diagnosis.
When the CT machine is used, a patient lies on the bed surface of the scanning bed, and the bed surface of the scanning bed conveys a human body into the scanning frame for plane or spiral scanning.
However, in the existing CT machine, the moving speed of the bed surface of the scanning bed into the scanning frame is high, and if the software control part of the CT is out of control, danger is brought, even disability or death is brought.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a CT scanning bed with emergency braking function, so as to solve the above-mentioned problems in the background art.
The embodiment of the utility model provides a CT scanning bed capable of being braked emergently, which comprises: the bed comprises a bed frame, a bed surface, a driving mechanism, an electromagnetic chuck and an emergency stop button;
the bed surface is arranged on the bedstead in a sliding way;
the driving mechanism is disposed on the frame, and includes: the driving motor, the ball screw and the friction spring piece;
the ball screw is connected with the driving motor, the friction spring piece is arranged on the ball screw, the bed surface is meshed with the ball screw through a sliding block, the driving motor is used for driving the ball screw and the friction spring piece to rotate, and the ball screw is used for driving the bed surface to slide when rotating;
the electromagnetic chuck is arranged on the bedstead and is arranged at intervals with the friction spring piece;
the electromagnetic chuck is electrically connected with the emergency stop button, and when the emergency stop button is triggered, the electromagnetic chuck is used for adsorbing the friction spring piece to enable the friction spring piece to stop rotating.
Based on the above technical scheme, the emergency braking CT scanning bed of the present invention is provided with a bed frame, a bed surface, a driving mechanism, an electromagnetic chuck and an emergency stop button, wherein the driving mechanism is arranged on the bed frame, and comprises: driving motor, ball and friction spring piece, ball are connected with driving motor, and the friction spring piece sets up on ball, and the bed surface passes through slider and the setting of ball meshing, and electromagnet sets up on the bedstead, sets up with the friction spring piece interval, and electromagnet and scram button electric connection. According to the CT scanning bed capable of being braked emergently, the driving motor drives the bed surface to slide through the ball screw, when emergency braking is needed, the emergency stop button is pressed, the electromagnetic chuck is electrified to generate suction, the friction spring piece is adsorbed on the electromagnetic chuck, the friction spring piece stops rotating, the ball screw is forced to stop rotating, the bed surface stops running, and safety of equipment and personnel is guaranteed.
In one possible embodiment, the ball screw is rotatably mounted on the bed frame via a bearing block.
In one possible embodiment, the method further comprises: a connecting seat;
the connecting seat is sleeved on the lead screw and is connected with the ball screw through a flat key;
the friction spring piece is fixed on the end face of the connecting seat.
In one possible solution, the connecting socket is provided with a projecting ring;
the friction spring piece is sleeved on the convex ring.
In one possible solution, the method further comprises: a limiting plate;
the limiting plate is sleeved at the end part of the ball screw and is abutted against the bulge ring.
In one possible solution, the ball screw is provided with a threaded hole;
the limiting plate is provided with a conical hole, a countersunk screw penetrates through the conical hole and is meshed with the threaded hole, and the limiting plate is detachably connected with the ball screw.
In one possible solution, the method further comprises: a suction cup holder;
the electromagnetic chuck is arranged on the chuck support, and the chuck support is connected to the bedstead through a connecting bolt.
In a possible solution, the electromagnetic chuck is arranged to coincide with a central axis of the friction spring plate.
In one possible embodiment, the electromagnetic chuck is spaced from the friction spring plate by 0.2mm to 0.4 mm.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an emergency brake-able CT scanning bed according to an embodiment of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A in an embodiment of the present invention;
FIG. 3 is an enlarged view of FIG. 1 at B in an embodiment of the present invention;
FIG. 4 is a schematic view of a connecting socket according to an embodiment of the present invention;
FIG. 5 is a schematic view of an electromagnetic chuck in an embodiment of the present invention;
FIG. 6 is a schematic view of a friction spring plate according to an embodiment of the utility model.
Reference numbers in the figures:
11. a bed frame; 12. a bed surface; 21. a drive motor; 22. a ball screw; 23. rubbing the spring piece; 24. a bearing seat; 25. a connecting seat; 251. a projecting ring; 26. a limiting plate; 27. countersunk head screws; 3. an electromagnetic chuck; 31. a suction cup holder; 301. and (4) fixing the ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for convenience in describing and simplifying the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
As described in the background of the present application, when the CT machine is used, a patient lies on the bed surface of the scanning bed, and the bed surface of the scanning bed transports the human body into the scanning frame for planar or spiral scanning.
The inventor of this application discovers that the moving speed of current CT machine, when the scanning bed surface gets into the scanning frame is very fast, if the software control part of CT appears out of control, the scanning bed can't emergency braking, and the quick meeting of scanning bed can bring danger, can cause personnel's disability or death even.
In order to solve the above problems, the inventor of the present application proposes a technical solution of the present application, and specific embodiments are as follows:
fig. 1 is a schematic view of a CT scanning bed capable of emergency braking in an embodiment of the present invention, fig. 2 is an enlarged view of a point a in fig. 1 in the embodiment of the present invention, fig. 3 is an enlarged view of a point B in fig. 1 in the embodiment of the present invention, fig. 4 is a schematic view of a connection base in the embodiment of the present invention, fig. 5 is a schematic view of an electromagnetic chuck in the embodiment of the present invention, and fig. 6 is a schematic view of a friction spring piece in the embodiment of the present invention. As shown in fig. 1 to 6, the emergency brake-able CT scanning bed of the present embodiment includes: a bed frame 11, a bed surface 12, a driving mechanism, an electromagnetic chuck 3 and an emergency stop button.
The bed surface 12 is arranged on the top of the bedstead 11 and is slidably clamped on the slide rails of the bedstead 11 through the clamping grooves, and the bed surface 12 can slide left and right on the bedstead 11.
The driving mechanism is provided on the frame 11, and the driving mechanism includes: a drive motor 21, a ball screw 22 and a friction spring piece 23.
The driving motor 21 is arranged at one end of the bed frame 11, the ball screw 22 is rotatably arranged on the bed frame 11, one end of the ball screw 22 is in transmission connection with the driving motor 21, the friction spring piece 23 is arranged on the ball screw 22 and is positioned at the other end far away from the driving motor 21, and the driving motor 21 drives the ball screw 22 and the friction spring piece 23 to rotate together when rotating.
The bed surface 12 is engaged with the ball screw 22 through the slider, and the ball screw 22 drives the bed surface 12 to slide left and right on the bed frame 11 when rotating.
The electromagnetic chuck 3 is provided on the bed frame 11 and located outside the ball screw 22, the electromagnetic chuck 3 and the friction spring piece 23 on the ball screw 22 are provided at an interval, and a certain gap is left between the electromagnetic chuck 3 and the friction spring piece 23.
The emergency stop button (not shown in the figure) is arranged at a place where the bedstead 11 is convenient to operate, and the electromagnetic chuck 3 is electrically connected with the emergency stop button. When the emergency stop button is triggered and pressed, the electromagnetic chuck 3 is electrified to generate suction force, so that the friction spring piece 23 is deformed and is fixedly adsorbed on the electromagnetic chuck 3, the electromagnetic chuck 3 stops rotating the friction spring piece 23, the ball screw 22 is forced to stop rotating, and the bed surface 12 stops moving.
Through the above, it can be easily found that, the emergency braking CT scanning bed of the embodiment, through setting up the bed frame, the bed surface, the driving mechanism, the electromagnetic chuck and the emergency stop button, the driving mechanism is set up on the bed frame, and includes: driving motor, ball and friction spring piece, ball are connected with driving motor, and the friction spring piece sets up on ball, and the bed surface passes through slider and the setting of ball meshing, and electromagnet sets up on the bedstead, sets up with the friction spring piece interval, and electromagnet and scram button electric connection. According to the CT scanning bed capable of achieving emergency braking, the driving motor drives the bed surface to move on the bed frame through the ball screw, when emergency braking is needed, the emergency stop button is pressed, the electromagnetic chuck is electrified to generate suction, the friction spring piece is adsorbed on the electromagnetic chuck, the friction spring piece stops rotating, the ball screw is forced to stop rotating, the bed surface stops running, and safety of equipment and personnel is guaranteed.
Alternatively, as shown in fig. 3 and 4, in the emergency-braking CT scanning bed in the present embodiment, both ends of the ball screw 22 are rotatably disposed on the bed frame 11 through the bearing blocks 24, respectively, so as to facilitate the disposition of the ball screw 22 on the bed frame 11.
Further, the emergency brake-able CT scanning bed in this embodiment further includes: a connecting seat 25.
The connecting seat 25 is sleeved on the end of the ball screw 22 and is located outside the bearing seat 24.
The inside wall of connecting seat 25 and ball 22's lateral wall all are equipped with the keyway, and the parallel key is pegged graft in connecting seat 25 and ball 22's keyway, makes connecting seat 25 and ball 22 fixed connection.
The friction spring piece 23 is sleeved on the ball screw 22 and fixed on the end surface of the connecting seat 25 through a connecting screw, and the ball screw 22 drives the connecting seat 25 and the friction spring piece 23 to rotate together when rotating; when the electromagnetic chuck 3 attracts the friction spring piece 23, the stop of the rotation of the friction spring piece 23 also forces the ball screw 22 to stop the rotation.
Further, in the emergency-braking CT scanning bed of the present embodiment, a protruding ring 251 is disposed on one side (outside) of the connecting seat 25.
The friction spring piece 23 is sleeved on the convex ring 251 of the connecting seat 25 and is fixedly connected with the end surface of the connecting seat 25, so that the friction spring piece and the connecting seat can be more conveniently connected and fixed.
Further, the emergency brake-able CT scanning bed in this embodiment further includes: and a stopper plate 26.
The limiting plate 26 is fixedly sleeved at the end of the ball screw 22, and the end surface of the limiting plate 26 abuts against the end surface of the protruding ring 251 of the connecting seat 25, so that the connecting seat 25 is fixed in the axial direction, and the connecting seat 25 and the friction spring piece 23 are prevented from sliding on the ball screw 22.
Further, in the emergency braking CT scanning bed of the present embodiment, the end surface of the ball screw 22 is provided with a threaded hole.
The center position of the limit plate 26 is provided with a taper hole, the countersunk screw 27 passes through the taper hole of the limit plate 26 and is engaged with the threaded hole of the ball screw 22, and the countersunk screw 27 fixes the limit plate 26 on the ball screw 22 when screwed, so that the limit plate and the ball screw are detachably connected.
Further, the emergency brake-able CT scanning bed in this embodiment further includes: a suction cup holder 31.
The suction cup holder 31 has a plate shape.
One end of the electromagnetic chuck 3 is provided with a convex fixing ring 301, the fixing ring 301 of the electromagnetic chuck 3 is fixed on the chuck support 31 through a screw, and one side of the chuck support 31 is fixed on the bedstead 11, so that the electromagnetic chuck 3 can be conveniently installed and fixed.
Further, as shown in fig. 6, in the emergency brakable CT scanning bed of the present embodiment, the shapes and the sizes of the longitudinal sections of the electromagnetic chuck 3 and the friction spring piece 23 are the same, and the central axes of the electromagnetic chuck 3 and the friction spring piece 23 are overlapped with each other. When the electromagnetic chuck 3 adsorbs the friction spring piece 23, the end surface of the electromagnetic chuck 3 completely coincides with the end surface of the friction spring piece 23.
Further, in the emergency braking CT scanning bed of the embodiment, when the emergency stop button is not triggered, the distance between the electromagnetic chuck 3 and the friction spring piece 23 is 0.2mm to 0.4 mm. When the emergency stop button is pressed and triggered, the friction spring piece can be instantly adsorbed by the suction force generated by the electromagnetic chuck, so that the ball screw is forced to stop rotating, and the bed surface stops running.
In the present invention, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacting the first feature and the second feature or indirectly contacting the first feature and the second feature through an intermediate.
Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like is intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. An emergency brakable CT scanning bed, comprising: the bed comprises a bed frame, a bed surface, a driving mechanism, an electromagnetic chuck and an emergency stop button;
the bed surface is arranged on the bedstead in a sliding way;
the driving mechanism is disposed on the frame, and includes: the driving motor, the ball screw and the friction spring piece;
the ball screw is connected with the driving motor, the friction spring piece is arranged on the ball screw, the bed surface is meshed with the ball screw through a sliding block, the driving motor is used for driving the ball screw and the friction spring piece to rotate, and the ball screw is used for driving the bed surface to slide when rotating;
the electromagnetic chuck is arranged on the bedstead and is arranged at intervals with the friction spring piece;
the electromagnetic chuck is electrically connected with the emergency stop button, and when the emergency stop button is triggered, the electromagnetic chuck is used for adsorbing the friction spring piece to enable the friction spring piece to stop rotating.
2. The emergency brakable CT scanning bed of claim 1, wherein the ball screw is rotatably disposed on the bed frame via a bearing housing.
3. The emergency brakable CT scanning bed of claim 2, further comprising: a connecting seat;
the connecting seat is sleeved on the lead screw and is connected with the ball screw through a flat key;
the friction spring piece is fixed on the end face of the connecting seat.
4. The CT scanning bed capable of being braked emergently according to claim 3, wherein the connecting seat is provided with a projecting ring;
the friction spring piece is sleeved on the convex ring.
5. The emergency actuatable CT scan bed of claim 4, further comprising: a limiting plate;
the limiting plate is sleeved at the end part of the ball screw and is abutted against the bulge ring.
6. The emergency brakable CT scanning bed of claim 5, wherein the ball screw is provided with a threaded hole;
the limiting plate is provided with a conical hole, a countersunk screw penetrates through the conical hole and is meshed with the threaded hole, and the limiting plate is detachably connected with the ball screw.
7. The emergency brakable CT scanning bed of claim 2, further comprising: a suction cup holder;
the electromagnetic chuck is arranged on the chuck support, and the chuck support is connected to the bedstead through a connecting bolt.
8. The emergency brakable CT scanner bed of claim 2, wherein the electromagnetic chuck is disposed to coincide with the central axis of the leaf spring.
9. The CT scanning bed of any one of claims 1-8, wherein the electromagnetic chuck is spaced from the leaf spring by 0.2-0.4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122742970.7U CN216854698U (en) | 2021-11-10 | 2021-11-10 | CT scanning bed capable of being braked emergently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122742970.7U CN216854698U (en) | 2021-11-10 | 2021-11-10 | CT scanning bed capable of being braked emergently |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216854698U true CN216854698U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122742970.7U Active CN216854698U (en) | 2021-11-10 | 2021-11-10 | CT scanning bed capable of being braked emergently |
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| CN (1) | CN216854698U (en) |
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- 2021-11-10 CN CN202122742970.7U patent/CN216854698U/en active Active
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