CN115844441B - CT scanning bed and corresponding CT equipment - Google Patents
CT scanning bed and corresponding CT equipment Download PDFInfo
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- CN115844441B CN115844441B CN202310041519.3A CN202310041519A CN115844441B CN 115844441 B CN115844441 B CN 115844441B CN 202310041519 A CN202310041519 A CN 202310041519A CN 115844441 B CN115844441 B CN 115844441B
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Abstract
The invention discloses a CT scanning bed and corresponding CT equipment. The CT scanning bed comprises a bed body, a telescopic cover and a CT scanning bed base, wherein the CT scanning bed base comprises a fixed base, a movable base and a sliding baffle, and the movable base is connected to the fixed base and moves along the direction perpendicular to the extending direction of the bed body; the sliding baffle is connected to the fixed base, is positioned on two sides of the movable base and moves along the direction vertical to the extending direction of the bed body; under the moving state of the movable base, the sliding baffle plate on the same side with the moving direction is pushed, and the sliding baffle plate on the other side is exposed. According to the CT scanning bed provided by the invention, when the movable base moves left and right, the movable base cover plate does not exceed the edge of the fixed base, so that clamping feet and collision to operators are avoided, and the CT scanning bed is safe and reliable; accurate reset of the bed body after moving is automatically realized, namely the position after reset is kept to a preset position, and position deviation can not occur after multiple times of movement.
Description
Technical Field
The invention relates to a CT scanning bed, and also relates to CT equipment comprising the CT scanning bed, belonging to the technical field of medical appliances.
Background
CT (Computed Tomography) is the acronym for computed tomography. The X-ray beam, gamma ray, ultrasonic wave, etc. with accurate collimation are used to scan the cross section around some part of human body together with CT detector with very high sensitivity. At present, tens of thousands of CT apparatuses of various types are installed in hospitals at all levels nationwide, and CT examination is rapidly popularized nationwide, and is an indispensable apparatus for medical diagnosis.
In CT apparatuses, a scanning couch is a subject-carrying tool that performs a scanning task, typically having a vertical motion control system and a horizontal longitudinal motion control system. However, when the bed body of the scanner bed moves left and right, since the telescopic cover also needs to move along with it, when moving to a certain leftmost or rightmost side, the flat plate fixed under the telescopic cover (originally at the central position of the base of the scanner bed, will extend out of the range of the base), because the flat plate is also covered by the bed body above the foot position of the operator, the operator is often injured by the flat plate, and the bed body moving process needs to prevent the occurrence of gaps so as to prevent dust from entering.
In the Chinese patent of patent number ZL 202110065369.0, a CT scanning bed for a hospital with an angle adjusting structure is disclosed, the CT scanning bed comprises a supporting seat, a moving mechanism is arranged on the supporting seat, a bed body mechanism is arranged on the upper surface of the moving mechanism, a positioning mechanism is arranged in the moving mechanism positioned below the bed body mechanism, when the CT scanning bed is used, two pressing blocks can be driven to move in opposite directions through the cooperation of a bidirectional screw rod and a screw rod nut, the two pressing blocks can downwards press a connecting plate, the connecting plate drives the positioning plate to be separated from a positioning groove, the angle of the bed body can be adjusted at the moment, the pressing blocks are driven to reset after the adjustment is finished, at the moment, a spring drives a mounting rod to ascend through an annular block, the mounting rod drives the connecting plate to ascend synchronously, and the connecting plate drives the positioning plate to ascend into the positioning groove to fix the bed body, so that the angle adjustment of the CT scanning bed is simple and convenient.
Disclosure of Invention
The primary technical problem to be solved by the invention is to provide a CT scanning bed.
Another technical problem to be solved by the present invention is to provide a CT apparatus including the CT scanner bed.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
according to a first aspect of embodiments of the present invention, there is provided a CT scanning bed, comprising a bed body, a telescopic hood and a CT scanning bed base,
one side of the telescopic cover is fixed below the bed body, the other side is fixed on the CT scanning bed base,
the bed body and the telescopic cover can move along the extending direction vertical to the bed body on the CT scanning bed base,
the CT scanning bed base comprises a fixed base, a movable base and a sliding baffle,
the movable base is connected to the fixed base and moves along the extending direction perpendicular to the bed body;
the sliding baffle is connected to the fixed base, is positioned on two sides of the movable base and moves along the direction vertical to the extending direction of the bed body;
under the moving state of the movable base, the sliding baffle plate on the same side with the moving direction is pushed, and the sliding baffle plate on the other side is exposed.
Wherein, preferably, the sliding baffle is connected on the fixed base through a baffle connecting mechanism, the baffle connecting mechanism comprises a slide rail fixing frame, a baffle slide rail, a baffle slide block, an elastic telescopic part and a limit stop block,
the slide rail fixing frame comprises an inverted U-shaped sheet metal part, a right wing plate and a left wing plate, the right wing plate and the left wing plate are positioned at two sides of the inverted U-shaped sheet metal part,
the right wing plate is fixed on the bottom bracket, the left wing plate is fixed with a baffle slide rail,
the baffle sliding block is arranged on the baffle sliding rail, the baffle sliding block is connected with a sliding baffle,
the elastic telescopic part is sleeved on the baffle sliding block and stretches along the extending direction of the baffle sliding rail,
the limit stop is arranged on the baffle slide rail and is positioned between the two baffle slide blocks.
Wherein preferably, the movable base is connected to the fixed base through a base connecting mechanism, the base connecting mechanism comprises a base sliding block and a base sliding rail,
the base sliding block is fixed on the movable base along the extending direction vertical to the bed body,
the base sliding rail is arranged on one surface of the bottom bracket, which faces the movable base, along the extending direction perpendicular to the bed body.
Preferably, the fixing base comprises a top cover plate, a side plate and a bottom bracket, wherein the side plate is arranged around the edge of the top cover plate, and the bottom bracket is arranged in an inner space formed by the surrounding of the top cover plate and the side plate;
the top cover plate comprises a first top cover plate and a second top cover plate,
the first top cover plate is positioned at two sides of the movable base cover plate in the extending direction of the bed body,
the second top cover plate is positioned on two sides of the movable base cover plate, which are perpendicular to the extending direction of the bed body.
Preferably, the width L4 of the movable base cover plate in the X direction satisfies the following formula:
L6＝L1＋2◊L4＋L5＋L7
wherein L6 is the width of the fixed base in the X direction, L1 is the width of the sliding baffle in the X direction, L5 is the width of the fixed base cover plate in the X direction, L7 is the width of the side plate in the X direction, and the X direction is horizontally perpendicular to the extending direction of the bed body.
Wherein, preferably, a group of second top cover plates, movable base cover plates and sliding baffles are symmetrically arranged at two sides of a central line in the extending direction of the bed body of the telescopic cover; wherein, the liquid crystal display device comprises a liquid crystal display device,
the second top cover plate is positioned below the sliding baffle and at least partially overlaps the second top cover plate along the extending direction of the bed body;
the sliding baffle is positioned below the movable base cover plate, and the sliding baffle and the movable base cover plate are at least partially overlapped along the extending direction of the bed body.
Wherein preferably, the second top cover plate is provided with a universal bead thereon.
Wherein preferably, the base slide block and/or the baffle slide block is a self-lubricating slide block.
Wherein preferably, the sliding baffle is a carbon fiber board.
Therefore, the weight of the second cover plate is reduced by using the carbon fiber plate, the strength is improved, and the service life is longer.
According to a second aspect of embodiments of the present invention, there is provided a CT apparatus, including the CT scanner bed described above.
Compared with the prior art, the CT scanning bed provided by the invention has the advantages of reliable structure, no clamping phenomenon, self lubrication of the sliding block and no noise; when the movable base moves left and right, the movable base cover plate does not exceed the edge of the fixed base, so that the clamping feet and collision operators are avoided, and the safety and reliability are realized; accurate reset of the bed body after moving is automatically realized, namely the position after reset is kept to a preset position, and position deviation can not occur after multiple times of movement.
Drawings
FIG. 1 is a schematic perspective view of a CT scanner in an embodiment of the present invention;
FIG. 2 is a schematic view of a CT scanner bed base according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating a connection relationship between a movable base and a fixed base of a CT scanner bed according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a movable base cover plate, a sliding shutter, and a second top cover plate of a CT scanner bed according to an embodiment of the present invention;
FIG. 5 is a diagram showing a connection relationship between a sliding shutter and a fixed base of a CT scanner bed according to an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of a sliding shutter, a shutter slider, an elastic expansion portion and a movable push plate of a CT scanning bed according to an embodiment of the present invention;
FIG. 7 (a) is a schematic view illustrating an initial structure of a CT scanner bed according to an embodiment of the present invention;
FIG. 7 (b) is a schematic view of the movable base cover, the sliding shutter, the shutter slider, the elastic expansion portion and the movable push plate in FIG. 7 (a);
FIG. 8 (a) is a schematic diagram illustrating a state of the CT scanner bed moving to the far right side (+X direction) in the embodiment of the present invention;
FIG. 8 (b) is a schematic view of the movable base cover, the sliding shutter, the shutter slider, the elastic expansion portion and the movable push plate in FIG. 8 (a);
FIG. 9 (a) is a schematic diagram showing a state of the CT scanner bed moving to the leftmost position (-X direction) according to the embodiment of the present invention;
fig. 9 (b) is a schematic structural view of the movable base cover, the sliding shutter, the shutter slider, the elastic expansion portion and the movable push plate in the state of fig. 9 (a).
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the attached drawings and specific embodiments.
As shown in fig. 1 to 3, the CT scanner bed provided by the embodiment of the present invention includes a bed body 10, a telescopic cover 20 and a CT scanner bed base. One side of the telescopic cover 20 is fixed below the bed body 10, and the other side is fixed on the CT scanning bed base. The couch body 10 and the telescopic hood 20 are movable in the X-direction on the CT scanner couch base. The extending direction of the bed body 10 is a Z direction, the X direction is horizontally perpendicular to the Z direction, and the Y direction is vertically perpendicular to the Z direction.
The CT scanning bed base comprises a fixed base 1, a movable base 2, a base connecting mechanism 3, a movable base cover plate 4, a sliding baffle 5 and a baffle connecting mechanism 6.
The fixed base 1 comprises a top cover plate 11, side plates 12 and a bottom bracket 13. The side plate 12 is disposed around the edge of the top cover plate 11, and the bottom bracket 13 is disposed in the inner space defined by the top cover plate 11 and the side plate 12. The top cover plate 11 includes a first top cover plate 111 and a second top cover plate 112. The first top cover plate 111 is located on both sides of the movable base cover plate 4 in the Z direction, and the second top cover plate 112 is located on both sides of the movable base cover plate 4 in the X direction.
The movable base 2 is connected to the fixed base 1 through a base connecting mechanism 3. The base connection mechanism 3 includes a base slider 31 and a base slide rail 32, the base slider 31 is fixed to the movable base 2 in the X direction, and the base slide rail 32 is provided on one face of the bottom bracket 13 toward the movable base 2 in the X direction. The base slide rail 32 extends in the X direction, and the base slider 31 is movable along the base slide rail 32 on the base slide rail 32. Namely, the telescopic hood 20, the slide shutter 5, the movable base 2, and the base slider 31 in fig. 3 are movable as a unit in the X direction with respect to the bottom bracket 13 and the base slide rail 32. The base connecting mechanism 3 is not limited to the embodiment of the present invention, and those skilled in the art should understand that the connecting and moving functions are all within the scope of the present invention.
The movable base cover plate 4 is fixedly connected to the movable base 2 and is located at the bottom of the telescopic hood 20 in the Y direction. The sliding baffle 5 is disposed below the movable base cover plate 4 and above the fixed base cover plate 112, and the sliding baffle 5 and the movable base cover plate 4 are capable of moving relatively.
A set of second top cover plate 112, movable base cover plate 4, and slide shutter 5 are symmetrically provided on both sides (left and right sides are shown in fig. 2) of the center line in the Z direction of the telescopic hood 20. As described in connection with fig. 2 and 4, the second top cover plate 112 is located below the slide shutter 5 and at least partially overlaps the second top cover plate in the Z direction; the slide shutter 5 is located below the movable base cover plate 4 and both at least partially overlap in the Z direction. If the width of the slide damper 5 in the X direction is L1, the distance between the slide damper 5 and the side plate 12 of the movable base 2 in the stationary state is L2, and the moving distance of the movable base 2 in the X direction is ±l3, l1=l3+ (4 to 8) mm and l2=l3+ (5 to 10) mm are satisfied. The overlapping design is such that the movable base 2 is covered by the second top cover plate 112, the movable base cover plate 4 and the sliding damper 5 on both sides in the stationary state or the left-right moving state. In addition, a universal bead 7 is provided on the second top cover plate 112, and a bead protrusion of the universal bead 7 abuts against the slide damper 5. The universal beads 7 can pad the sliding baffle 5 when the sliding baffle 5 moves left and right along the X direction, so that the sliding baffle 5 does not rub against the second top cover plate 112, friction force between the sliding baffle 5 and the second top cover plate 112 is reduced, and the service life of the sliding baffle 5 is prolonged. The number of the universal beads 7 can be arbitrarily set according to the actual situation. The sliding closure 5 is preferably a carbon fibre plate with a thickness of about 2mm.
Referring to fig. 8 (a) and 8 (b), if the width of the movable base cover 4 in the X direction is L4, the width of the fixed base cover 112 in the X direction is L5, the width of the fixed base 1 in the X direction is L6, and the width of the side plate 12 in the X direction is L7, it can be known that when the movable base 2 moves to the rightmost side (X direction):
L6＝L1＋2◊L4＋L5＋L7 （1）
wherein L1 is greater than 0, L5 is greater than 0, and L7 is greater than or equal to 0. That is, the width of the movable base cover plate 4 in the X direction is smaller than that of the prior art, so that the problem that the movable base cover plate protrudes from the edge of the fixed base to obstruct an operator when the CT scanner bed moves left and right in the prior art is solved.
Specifically, as shown in fig. 5, the slide damper 5 is attached to the stationary base 1 by a damper attachment mechanism 6. The shutter connection mechanism 6 includes a slide rail holder 61, a shutter slide rail 62, a shutter slider 63, an elastic expansion portion 64, and a limit stopper 65. The slide rail fixing frame 61 comprises an inverted U-shaped sheet metal part 611, a right wing plate 612 and a left wing plate 613. The right wing plate 612 and the left wing plate 613 are positioned on two sides of the inverted U-shaped sheet metal part 611, the right wing plate 612 is fixed on the bottom bracket 13, and the left wing plate 613 is fixed with the baffle slide rail 62. The shutter slide rail 62 extends in the X direction and is provided with a limit stop 65. The shutter slider 63 is provided on the shutter slide rail 62, and is movable in the X direction on the shutter slide rail 62. The shutter slider 63 is connected with a sliding shutter 5 to drive the sliding shutter 5 to move along the X direction on the shutter slide rail 62. The elastic expansion and contraction portion 64 is sleeved on the shutter slider 63 and expands and contracts along the extending direction of the shutter slide rail 62. The movable push plate 21 is fixed in the movable base 2, and has a height in the Y direction higher than the slide damper 5.
As shown in fig. 6, the elastic expansion and contraction parts 64 are sleeved on the baffle sliders 63 at the left and right (X direction) sides to form an expandable and contractible closed loop. In one embodiment of the present invention, the shutter slider 63 is a self-lubricating slider and the shutter slide rail 62 is a high-precision slide rail. A limit stop 65 is provided between the shutter slider 63 on both the left and right sides (X direction). When the left shutter slider 63 moves to the left, the elastic expansion portion 64 is stretched, and the stopper 65 restricts the movement of the right shutter slider 63 to the left by the tensile force of the elastic expansion portion 64. The movable push plate 21 extends in the X direction, and both sides thereof are respectively abutted against the left and right slide shutter plates 5.
The working principle of the CT scanning bed provided by the embodiment of the invention is described in detail below.
As shown in fig. 7 (a) and fig. 7 (b), the CT scanner bed provided in the embodiment of the present invention is in an initial state. In this state, the scanner bed 10, the telescopic hood 20, and the movable base 2 (located inside the fixed base 1 in fig. 7 (a)) are located at the intermediate position of the fixed base 1. The right movable base cover 41 and the left movable base cover 42, the right slide shutter 51 and the left slide shutter 52, and the right second top cover 1121 and the left second top cover 1122 are arranged symmetrically with respect to the center line of the telescopic cover 20 in the Z direction as a symmetry axis. Wherein the right movable base cover plate 41 and the right slide shutter 51 overlap in most of the area in the Z direction, and the left movable base cover plate 42 and the left slide shutter 52 overlap in most of the area in the Z direction. In this state, the elastic expansion and contraction portion 64 is in an initial state in which it is not stretched, the movable push plate 21 is in the intermediate position of the fixed base 1, and the right side shutter slider 631 and the left side shutter slider 632 are not biased by the movable push plate 21 and the elastic expansion and contraction portion 64.
Fig. 8 (a) and 8 (b) show the CT scanner bed according to the embodiment of the present invention when it is moved to the far right side (+x direction). The CT scanner bed gradually moves to the right from the initial state of fig. 7 (a), and finally to the state shown in fig. 8 (a), and the movement principle thereof is as follows:
when the CT scanner bed is gradually moved rightward from the initial state of fig. 7 (a), the movable base 2 is actually moved rightward (+x direction). Since the movable base 2 is slidably connected with the fixed base 1 through the base connecting mechanism 3, the movable base 2 is driven to move rightward by the base connecting mechanism 3. And, since the right side of the movable base 2 is fixedly connected with the right side movable base cover 41 and the left side is fixed with the left side movable base cover 42, the movable base 2 moves the right side movable base cover 41 and the left side movable base cover 42 to the right side. Also, since the moving push plate 21 is fixed to the movable base 2, the right side surface of the moving push plate 21 can push the right slide damper 51 to move rightward. Since the right slide shutter 51 is fixedly connected to the right shutter slider 631, the right shutter slider 63 is provided with the elastic expansion portion 64, and the elastic expansion portion 64 is stretched rightward when the right slide shutter 51 moves rightward. Since the elastic expansion and contraction portion 64 is sleeved on the right baffle slider 631 and the left baffle slider 632, when the elastic expansion and contraction portion 64 is stretched, the left baffle slider 632 is pulled rightward by the elastic expansion and contraction portion 64, but is limited by the limit stop 65, and the left baffle slider 632 remains stationary. And, the left slide shutter 52, which is originally covered by the left movable base cover plate 42, is exposed from between the left movable base cover plate 42 and the left second top cover plate 1122 as the left movable base cover plate 42 moves to the right.
After the above-described movement process, the CT scanner bed is moved to the final state shown in fig. 8 (a). In this state, when the right movable base cover 41 approaches the side plate 12, the elastic expansion and contraction portion 64 fitted to the right shutter slider 631 is stretched to the maximum expansion and contraction width. In this state, the left shutter slider 632 is also pulled rightward by the elastic expansion and contraction portion 64, but since the limit stopper 65 is provided between the left shutter slider 632 and the right shutter slider 631, the left shutter slider 63 is stopped by the limit stopper 65 and does not slide rightward. The left slide damper 52, the left second top cover plate 1122, and the left movable base cover plate 42 are laid on the left side of the telescopic cover 20 without any gaps.
Fig. 9 (a) and 9 (b) show the CT scanner bed according to the embodiment of the present invention when it is moved to the leftmost position (-X direction). The CT scanner bed gradually moves to the left from the state shown in fig. 8 (a), and finally to the state shown in fig. 9 (a), the movement principle thereof is as follows:
when the CT scanning bed is gradually moved to the left from the state shown in FIG. 8 (a), the movable base 2 is actually moved to the left (-X direction). Since the movable base 2 is slidably connected with the fixed base 1 through the base connecting mechanism 3, the movable base 2 is driven by the base connecting mechanism 3 to move to the left. And, since the right side of the movable base 2 is fixedly connected with the right side movable base cover 41 and the left side is fixed with the left side movable base cover 42, the movable base 2 moves the right side movable base cover 41 and the left side movable base cover 42 to the right side. When the right movable base cover 41 gradually moves to the left from a position close to the side plate 12, the moving push plate 21 will not push the right slide shutter 51 any more, and the right slide shutter 51 is only pulled to the left by the elastic expansion and contraction portion 64, so the right slide shutter 51 moves to the left side with the shutter slider to the initial state as shown in fig. 7 (a).
The principle when the CT scanner bed is moved to the left from the state shown in fig. 8 (a) to the initial state shown in fig. 7 (a) and then is continued to be moved to the left is as follows:
because the movable push plate 21 is fixed to the movable base 2, the left side surface of the movable push plate 21 can push the left slide shutter 52 to move leftward. Since the left slide shutter 52 is fixedly connected to the left shutter slider 632, the left shutter slider 632 is provided with the elastic expansion portion 64, and the elastic expansion portion 64 stretches leftward when the left slide shutter 52 moves leftward. Since the elastic expansion and contraction portion 64 is sleeved on the right side baffle slider 631 and the left side baffle slider 632, when the elastic expansion and contraction portion 64 is stretched, the right side baffle slider 631 receives the leftward tensile force of the elastic expansion and contraction portion 64, but is limited by the limit stop 65, and the right side baffle slider 631 remains stationary. Further, the right slide shutter 51, which is originally covered by the right movable base cover 41, is exposed from between the right movable base cover 41 and the right second top cover 1121 as the right movable base cover 41 moves rightward.
After the above-described movement process, the CT scanner bed is moved to the final state shown in fig. 9 (a). In this state, when the left movable base cover 42 is close to the side plate 12, the elastic expansion and contraction portion 64 fitted to the shutter slider 63 is stretched to the maximum expansion and contraction width. The right slide damper 51, the right second top cover plate 1121, and the right movable base cover plate 41 are laid on the left side of the expansion cover 20 without gaps.
The principle of returning from the state shown in fig. 9 (a) to the initial state shown in fig. 7 (a) is the same as that of returning from the state shown in fig. 8 (a) to the initial state shown in fig. 7 (a).
In the moving process, when the sliding baffle 5 moves above the second top cover plate, the universal beads 7 arranged on the second top cover plate are propped against the sliding baffle 5, so that the sliding baffle 5 does not rub against the second top cover plate 112, friction between the sliding baffle 5 and the second top cover plate 112 is reduced, and the service life of the sliding baffle 5 is prolonged.
In summary, the structure of the CT scanning bed provided by the embodiment of the present invention is reliable, no clamping phenomenon, self-lubrication of the sliding block, and no noise; when the movable base moves left and right, the movable base cover plate does not exceed the edge of the fixed base, so that the clamping feet and collision operators are avoided, and the safety and reliability are realized; accurate reset of the bed body after moving is automatically realized, namely the position after reset is kept to a preset position, and position deviation can not occur after multiple times of movement.
The CT scanning bed and the corresponding CT equipment provided by the invention are described in detail above. Any obvious modifications to the present invention, without departing from the spirit thereof, would constitute an infringement of the patent rights of the invention and would take on corresponding legal liabilities.
Claims (9)
1. A CT scanning bed is characterized by comprising a bed body, a telescopic cover and a CT scanning bed base,
one side of the telescopic cover is fixed below the bed body, and the other side of the telescopic cover is fixed on the CT scanning bed base; the bed body and the telescopic cover move on the CT scanning bed base along the extending direction perpendicular to the bed body;
the CT scanning bed base comprises a fixed base, a movable base cover plate and a sliding baffle; wherein, the liquid crystal display device comprises a liquid crystal display device,
the movable base is connected to the fixed base and moves along the direction perpendicular to the extending direction of the bed body;
the sliding baffle is connected to the fixed base, is positioned on two sides of the movable base and moves along the direction perpendicular to the extending direction of the bed body;
in the moving state of the movable base, the sliding baffle plate on the same side with the moving direction is pushed, the sliding baffle plate on the other side is exposed, the movable base is not exposed in the static state or the left-right moving state,
the fixed base comprises a second top cover plate, and the second top cover plate, the movable base cover plate and the sliding baffle are symmetrically arranged on two sides of a central line in the extending direction of the bed body of the telescopic cover; the second top cover plate is positioned below the sliding baffle and at least partially overlaps the second top cover plate along the extending direction of the bed body; the sliding baffle is positioned below the movable base cover plate, and the sliding baffle and the movable base cover plate are at least partially overlapped in the extending direction of the bed body.
2. The CT scanner of claim 1, wherein:
the sliding baffle is connected to the fixed base through a baffle connecting mechanism, and the baffle connecting mechanism comprises a slide rail fixing frame, a baffle slide rail, a baffle slide block, an elastic telescopic part and a limit stop; wherein, the liquid crystal display device comprises a liquid crystal display device,
the sliding rail fixing frame comprises an inverted U-shaped sheet metal part, a right wing plate and a left wing plate, wherein the right wing plate and the left wing plate are positioned on two sides of the inverted U-shaped sheet metal part, the right wing plate is fixed on a bottom bracket, and the baffle sliding rail is fixed on the left wing plate;
the baffle sliding block is arranged on the baffle sliding rail, the baffle sliding block is connected with the sliding baffle,
the elastic telescopic part is sleeved on the baffle sliding block and stretches along the extending direction of the baffle sliding rail,
the limit stop is arranged on the baffle sliding rail and is positioned between the two baffle sliding blocks.
3. The CT scanner of claim 2, wherein:
the movable base is connected to the fixed base through a base connecting mechanism, and the base connecting mechanism comprises a base sliding block and a base sliding rail;
the base sliding block is fixed on the movable base along the extending direction vertical to the bed body,
the base sliding rail is arranged on one surface of the bottom bracket, which faces the movable base, along the extending direction perpendicular to the bed body.
4. The CT scanner of claim 1, wherein:
the fixed base comprises a top cover plate, side plates and a bottom bracket; the side plate is arranged around the edge of the top cover plate, the bottom support is arranged in an inner space formed by the surrounding of the top cover plate and the side plate,
the top cover plate further comprises a first top cover plate; the first top cover plate is positioned on two sides of the movable base cover plate in the extending direction of the bed body, and the second top cover plate is positioned on two sides of the movable base cover plate in the extending direction perpendicular to the bed body.
5. The CT scanner of any one of claims 1-4, wherein the width L4 of the movable base cover plate in the X-direction satisfies the following equation:
L6＝L1＋2*L4＋L5＋L7
wherein L6 is the width of the fixed base in the X direction, L1 is the width of the sliding baffle in the X direction, L5 is the width of the fixed base cover plate in the X direction, L7 is the width of the side plate in the X direction, and the X direction is horizontally perpendicular to the extending direction of the bed body.
6. The CT scanner of claim 5, wherein:
and universal beads are arranged on the second top cover plate.
7. A CT scanner bed as claimed in claim 3, wherein:
the base sliding block and/or the baffle sliding block are self-lubricating sliding blocks.
8. The CT scanner of claim 1, wherein:
the sliding baffle is arranged below the movable base cover plate and above the fixed base cover plate, and the sliding baffle and the movable base cover plate can move relatively.
9. A CT apparatus comprising a CT scanner bed according to any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310041519.3A CN115844441B (en) | 2023-01-28 | 2023-01-28 | CT scanning bed and corresponding CT equipment |
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| CN202310041519.3A CN115844441B (en) | 2023-01-28 | 2023-01-28 | CT scanning bed and corresponding CT equipment |
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| CN115844441A CN115844441A (en) | 2023-03-28 |
| CN115844441B true CN115844441B (en) | 2023-06-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4272789B2 (en) * | 2000-03-01 | 2009-06-03 | 富士フイルム株式会社 | Radiation imaging equipment |
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