Medical x-ray protection device
By combining negative pressure adsorption and adjusting screw with limiting rod design, the problem of inconvenient adjustment of lead plate in medical X-ray protection devices is solved, realizing convenient adjustment and precise positioning, and improving the safety and adaptability of the equipment.
Patent Information
- Application Number
- CN202511489403.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-17
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2045-10-17
AI Technical Summary
Existing medical X-ray protective devices are laborious and inconvenient to adjust the lead plates, cannot meet the needs of examinees of different body types, and have the problem of reduced locking effect due to aging of elastic components.
The design employs negative pressure adsorption and an adjusting screw combined with a limiting rod. Through the cooperation of the control plate and spring air tube, the lead plate can be conveniently adjusted and precisely positioned. The combination of the adjusting screw and the partition plate can precisely control the exposure range, and the limiting rod can prevent misoperation.
It enables convenient adjustment and precise positioning of the lead plate, reduces the difficulty of operation, improves the safety and adaptability of the equipment, and avoids the decline in locking effect due to aging.
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Figure CN120983063B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of medical devices, in particular to a medical X-ray protection device. BACKGROUND
[0002] In the field of medical diagnosis and treatment, X-ray technology (such as DR, CT, interventional radiology, etc.) has become the core means of disease diagnosis and surgical guidance because it can directly present the internal structure of the human body. However, X-rays belong to ionizing radiation, and long-term or excessive exposure can cause damage to human cells, so when performing X-ray scanning detection, an X-ray protection screen is needed to shield the body of the examinee, exposing only the detection site.
[0003] The X-ray protection screen is a device used to block X-ray radiation and protect personnel from harm, mainly composed of a lead plate and a frame. The lead plate has strong radiation shielding ability and is the key component for blocking X-rays; the frame is used to support the lead plate to keep it stable.
[0004] In the patent with the publication number CN213551880U, a medical X-ray protection device is disclosed, which includes a base, the base is fixedly connected with a stand, the stand is fixedly provided with a first connecting block, a groove is provided on the stand, the groove is fixedly provided with a motor, the motor is fixedly connected with a screw rod, the screw rod is sleeved with a first ball bearing, a second connecting block is provided on the screw rod, the first connecting block and the second connecting block are rotationally connected with a connecting column through a pin shaft, the connecting column is fixedly connected with a retracting mechanism, the retracting mechanism is fixedly connected with an insert, the first connecting block and the second connecting block are both provided with a sliding groove, a sliding block is provided inside the sliding groove, the sliding block is provided with a slot on one side above the sliding groove, the slot is inserted with the insert. On the one hand, this scheme can simply and effectively store the device, without occupying a large area, on the other hand, it can effectively adjust the irradiated part and protect the part that does not need to be irradiated.
[0005] The existing technology has the following defects:
[0006] Due to the differences in height, weight, age and size of examinees, the same device may not be able to achieve the detection purpose when detecting X-rays. For example, for tall and obese people, the scanning area of the human body may be too small, and for short and thin people or children, the exposed area of the human body may be too large, causing strong radiation damage.
[0007] Current part of the device adopts adjustable scheme, but most of them adopt the installation of lead plate on the slide rail, and then utilize the elastic accessory to control the locking and sliding state of the lead plate, but in order to the stability of the lead plate locking, the elastic accessory needs to release a larger force, so when unlocking, the same force needs to be applied, which causes the device to be difficult and troublesome to adjust, and the elastic performance of the elastic accessory will decrease after repeated work, which affects the locking effect of the lead plate. SUMMARY
[0008] In view of the existing technology has the problem of inconvenient adjustment of lead plate, a medical X-ray protection device is provided.
[0009] The medical X-ray protection device provided by the present application aims to achieve convenient adjustment of the lead plate.
[0010] The technical scheme of the present application is a medical X-ray protection device, which comprises a base, a frame arranged on the top of the base, two slide rods arranged on the front of the frame, two shielding plates arranged on the outer side of the slide rods, a fixing assembly arranged on the back of the shielding plate, the fixing assembly comprising a sliding seat arranged on the back of the shielding plate, a sliding block arranged in the sliding seat, an inner cavity opened in the sliding block, an arc plate arranged on one end of the sliding block close to the slide rod, a communication groove opened on one side of the arc plate close to the slide rod, an adsorption pad arranged in the communication groove, a mounting table and a rotating seat arranged on the back of the shielding plate, a spring air pipe arranged on the top of the mounting table, a communication air pipe arranged between the spring air pipe and the sliding block, a control plate arranged on the inner side of the rotating seat, and a connecting rod arranged between the bottom end of the control plate and the top of the spring air pipe.
[0011] The communication groove is communicated with the inner cavity, the control plate is designed to be inclined, a torsion spring is arranged between the control plate and the rotating seat, and an adjusting assembly is arranged between the two shielding plates.
[0012] Further, an adjusting screw is arranged on the outer side of the sliding seat, the central axis of the adjusting screw is parallel to the sliding direction of the sliding block, the adjusting screw is threadedly connected with the sliding seat, and the adjusting screw is rotationally connected with the sliding block.
[0013] Further, the fixing assembly further comprises a clamping groove opened at the top end of the control plate, a limiting rod arranged on the top of the shielding plate, a sliding groove opened at the top of the limiting rod, and a limiting block arranged on the top of the shielding plate.
[0014] The bottom wall of the clamping groove is parallel to the ground, one end of the limiting rod close to the control plate is provided with a downward protruding protrusion, and the protrusion is fitted in the clamping groove.
[0015] Further, the adsorption pad extends out of the communication groove, the adsorption pad is annular, and the opening close to the slide rod is provided in a concave arc shape.
[0016] Further, the arc plate is wrapped around the two sides of the slide rod.
[0017] Further, the limiting block is divided into two parts, the lower part slides in the sliding groove, and the upper part is pressed above the limiting rod.
[0018] Further, the adjusting assembly specifically comprises: a plurality of partition plates arranged in a linear array on the outer side of the sliding rod, a positioning plate arranged on the side surface of the shielding plate, a transmission shaft arranged between the partition plates and the positioning plate, and a nut arranged on the top of the transmission shaft.
[0019] The positioning plate is located below the partition plates, the transmission shaft penetrates through the partition plates and the positioning plate, the lower end of the transmission shaft is provided with a disc abutting against the bottom of the positioning plate, the nut is threadedly connected with the transmission shaft, and the nut abuts against the top of the uppermost partition plate.
[0020] Further, the adjusting assembly further comprises a displacement sliding groove formed in the top of the positioning plate and a clamping plate arranged on the back surface of the lowermost partition plate.
[0021] The transmission shaft slides in the displacement sliding groove, the clamping plate is located on the back surface of the transmission shaft, and the clamping plate and the partition plates are combined into a U-shaped structure and clamp the transmission shaft therebetween.
[0022] Further, a snap ring is slidably connected to the back surface of the partition plate and slidably connected to the outer side of the sliding rod.
[0023] Further, the adjusting assembly further comprises a clamping groove formed in the top edge of the front surface of the partition plate and a clamping sheet arranged on the bottom edge of the front surface of the partition plate.
[0024] The clamping sheet is clamped in the clamping groove.
[0025] The beneficial effects of the present application are as follows:
[0026] 1. By arranging the adjusting assembly, when the position of the shielding plate needs to be adjusted, the control plate is pressed down, the control plate presses down the spring air pipe through the connecting rod, the air in the spring air pipe flows into the inner cavity through the communication pipe, so that the pressure in the communication groove is increased, the adsorption force of the adsorption pad on the sliding rod is disappeared, so that the shielding plate can be freely moved and slid on the sliding rod, and after being moved to the corresponding position, the control plate is released, the control plate is reset under the action of the torsional spring, the spring air pipe is also stretched, the air in the inner cavity is sucked out, the pressure in the communication groove is reduced, the adsorption pad is tightly adsorbed on the outer side of the sliding rod, so that the shielding plate cannot be moved any more, and the positioning is completed. The above-mentioned method is not only convenient to control, can be quickly adjusted, and can be operated by one hand, and at the same time, the method of negative pressure adsorption is adopted, and effective fixing effect can be maintained before the communication groove is aged.
[0027] 2. By arranging the adjusting screw, after the sealing property of the adsorption pad is reduced, the adjusting screw is rotated, the adjusting screw drives the sliding block and the arc plate to be close to the sliding rod under the action of the thread, so that the adsorption pad is more closely attached to the sliding rod, and the air leakage is avoided.
[0028] 3、By setting the limiting rod, the protrusion at one end of the limiting rod is pressed in the clamping groove, so that the control plate cannot be rotated, realizing secondary locking, when the shielding plate needs to be moved, the limiting rod is pushed first, the protrusion is moved to the outside of the clamping groove, and the control plate is unlocked, so that through double locking, the probability of accidental touch due to curiosity of the examinee can be reduced.
[0029] 4、By setting the adjusting assembly, the adjusting assembly is distributed on both sides of the frame for shielding the human body, and after the partition plate is loosened by rotating the nut, the partition plate can slide above the shielding plate, the distance between the partition plates on both sides can be controlled, the exposure position can be accurately controlled, and part of the partition plate is rotated in front of the shielding plate before the upper shielding plate is lowered, avoiding the lowering route of the shielding plate, and then the nut is rotated to make the partition plate lower and press tightly, so that the distance between the two shielding plates can be freely controlled, and the exposure range can be more accurately controlled.
[0030] 5、By setting the clamping groove and the clamping piece, the gap between adjacent partition plates can be shielded, so that radiation can be prevented from penetrating from the gap, and the safety of the equipment in use can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0031] Figure 1 is a perspective view of the present application;
[0032] Figure 2 is a schematic view of the back of the frame of the present application;
[0033] Figure 3 is a schematic view of the back of the shielding plate of the present application;
[0034] Figure 4 is a schematic view of the present application Figure 3 is an enlarged view of A in the present application;
[0035] Figure 5 is a schematic view of the fixing assembly of the present application;
[0036] Figure 6 is a schematic view of the sliding seat of the present application;
[0037] Figure 7 is a schematic view of the shielding plate and the adjusting assembly of the present application;
[0038] Figure 8 is a schematic view of the adjusting assembly of the present application;
[0039] Figure 9 is an exploded view of the adjusting assembly of the present application;
[0040] Figure 10 is a schematic view of the present application Figure 9 is a schematic view of the present application from a second perspective.
[0041] In the drawings:
[0042] 1, base; 2, frame; 3, slide bar; 4, shielding plate; 5, fixing assembly; 51, sliding seat; 52, sliding block; 53, inner cavity; 54, arc plate; 55, communication groove; 56, adsorption pad; 57, mounting table; 58, spring air pipe; 59, communication air pipe; 510, rotating seat; 511, control plate; 512, connecting rod; 513, adjusting screw; 514, clamping groove; 515, limiting rod; 516, sliding groove; 517, limiting block; 6, adjusting assembly; 61, partition plate; 62, positioning plate; 63, rotating shaft; 64, nut; 65, displacement sliding groove; 66, clamping plate; 67, clamping ring; 68, clamping groove; 69, clamping sheet. DETAILED DESCRIPTION
[0043] In order to make the above-mentioned objectives, features and advantages of the present application more apparent, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.
[0044] Embodiment 1, reference Figures 1-6 , for the first embodiment of the present application, a medical X-ray protection device is provided, including the base 1, the frame 2 arranged on the top of the base 1, two slide bars 3 arranged on the front of the frame 2, two shielding plates 4 arranged on the outer side of the slide bar 3, and the fixing assembly 5 arranged on the back of the shielding plate 4, the fixing assembly 5 specifically includes the sliding seat 51 arranged on the back of the shielding plate 4, the sliding block 52 arranged inside the sliding seat 51, the inner cavity 53 opened inside the sliding block 52, the arc plate 54 arranged on one end of the sliding block 52 close to the slide bar 3, the communication groove 55 opened on one side of the arc plate 54 close to the slide bar 3, the adsorption pad 56 arranged inside the communication groove 55, the mounting table 57 and the rotating seat 510 arranged on the back of the shielding plate 4, the spring air pipe 58 arranged on the top of the mounting table 57, the communication air pipe 59 arranged between the spring air pipe 58 and the sliding block 52, the control plate 511 arranged inside the rotating seat 510, and the connecting rod 512 arranged between the bottom end of the control plate 511 and the top of the spring air pipe 58.
[0045] Specificly, the bottom of the base 1 is provided with the roller for facilitating the movement, the frame 2 is welded with the top of the base 1, the slide bar 3 is connected with the frame 2 through the support, the two shielding plates 4 are slidingly installed on the outer side of the slide bar 3, the shielding plate 4 is specifically lead plate, the surface of the lead plate is attached with a layer of plastic plate, which is used for installing and fixing other accessories, the sliding seat 51 is attached to the surface of the shielding plate 4, the sliding block 52 is slidingly installed in the sliding seat 51, the arc plate 54 is integrally formed with the inner cavity 53, the arc plate 54 embraces on both sides of the slide bar 3, which increases the contact area and plays a certain guiding role, the communication groove 55 is communicated with the inner cavity 53, the communication groove 55 is provided with a plurality of linear array distribution in the vertical direction, the mounting table 57 and the rotating seat 510 are attached to the surface of the shielding plate 4, the spring air pipe 58 is attached to the top of the mounting table 57, the communication air pipe 59 is communicated into the inner cavity 53 at one end and into the spring air pipe 58 at the other end, the control plate 511 is rotationally connected with the rotating seat 510, the control plate 511 adopts forty-five degree inclined design, the torsional spring is arranged between the control plate 511 and the rotating seat 510, the connecting rod 512 is rotationally connected with the control plate 511 at one end and with the spring air pipe 58 at the other end, the adsorption pad 56 is attached in the communication groove 55, the adsorption pad 56 is made of rubber material, the adsorption pad 56 extends out of the communication groove 55 and is attached to the surface of the slide bar 3, so that the sealing property can be improved, the adsorption pad 56 is annular, and the opening near the end close to the slide bar 3 is arranged as concave arc shape, so that the adsorption strength can be enhanced.
[0046] By arranging the adjusting assembly 6, when it is needed to adjust the position of the shielding plate 4, the control plate 511 is pressed down, the control plate 511 presses down the spring air pipe 58 through the connecting rod 512, the air in the spring air pipe 58 flows into the inner cavity 53 through the communication air pipe 59, so that the pressure in the communication groove 55 is increased, the adsorption force of the adsorption pad 56 to the slide bar 3 disappears, so that the shielding plate 4 can be freely moved and slid on the slide bar 3, the control plate 511 is released after being moved to the corresponding position, the control plate 511 is reset under the action of the torsional spring, the spring air pipe 58 is also stretched, the air in the inner cavity 53 is sucked out, the pressure in the communication groove 55 is reduced, the adsorption pad 56 is tightly adsorbed on the outer side of the slide bar 3, so that the shielding plate 4 cannot be moved any more, the positioning is completed, the above method not only has convenient control, can quickly adjust, and can be operated by one hand, at the same time, the method of negative pressure adsorption is adopted, the effective fixing effect can be maintained before the communication groove 55 is aged.
[0047] Specificly, the adjusting screw 513 is arranged on the outer side of the sliding seat 51, the central axis of the adjusting screw 513 is parallel to the sliding direction of the sliding block 52, the adjusting screw 513 is threadedly connected with the sliding seat 51, the adjusting screw 513 is rotationally connected with the sliding block 52, the adjusting screw 513 penetrates out of the adjusting screw 513, and the penetrating-out part is provided with the anti-skid pattern.
[0048] By setting the adjusting screw 513, after the sealing of the adsorption pad 56 is reduced, the adjusting screw 513 is rotated, and under the action of the screw, the adjusting screw 513 pushes the sliding block 52 and the arc plate 54 to be close to the sliding rod 3, so that the adsorption pad 56 is more closely attached to the sliding rod 3, and the air leakage is avoided.
[0049] The fixing assembly 5 further comprises a clamping groove 514 formed in the top end of the control plate 511, a limiting rod 515 arranged on the top of the shielding plate 4, a sliding groove 516 formed in the top of the limiting rod 515, and a limiting block 517 arranged on the top of the shielding plate 4.
[0050] Specifically, the length of the control plate 511 is greater than ten centimeters, the bottom wall of the clamping groove 514 is parallel to the ground, one end of the limiting rod 515 close to the control plate 511 is provided with a downward protruding protrusion, and the protrusion is attached to the clamping groove 514; the limiting block 517 is divided into upper and lower parts, the lower part slides in the sliding groove 516, and the upper part is pressed above the limiting rod 515; the limiting rod 515 is slidably installed on the top of the shielding plate 4 by the limiting block 517.
[0051] By setting the limiting rod 515, the protrusion at one end of the limiting rod 515 is pressed into the clamping groove 514, so that the control plate 511 cannot be rotated, achieving secondary locking. When the shielding plate 4 needs to be moved, the limiting rod 515 is first pushed, so that the protrusion moves to the outside of the clamping groove 514, and the control plate 511 is unlocked. Thus, through double locking, the probability of accidental touch due to the curiosity of the examinee can be reduced.
[0052] Embodiment 2, refer to Figures 1-2 、 Figures 7-10 The second embodiment of the present application is different from the first embodiment in that an adjusting assembly 6 is arranged between the two shielding plates 4. The adjusting assembly 6 specifically comprises a plurality of separation plates 61 arranged in a linear array on the outer side of the sliding rod 3, a positioning plate 62 arranged on the side surface of the shielding plate 4, a transmission shaft 63 arranged between the separation plate 61 and the positioning plate 62, and a nut 64 arranged on the top of the transmission shaft 63.
[0053] Specifically, the positioning plate 62 is fixed on both sides of the shielding plate 4 by bolts, a plurality of separation plates 61 are stacked above the lower shielding plate 4, the positioning plate 62 is below the separation plate 61, the transmission shaft 63 penetrates the separation plate 61 and the positioning plate 62, the separation plate 61 is rotatably connected to the outer side of the transmission shaft 63, the lower end of the transmission shaft 63 is provided with a disc attached to the bottom of the positioning plate 62, and the nut 64 is threadedly connected with the transmission shaft 63 and attached to the top of the uppermost separation plate 61.
[0054] The adjusting assembly 6 further comprises a displacement sliding groove 65 formed in the top of the positioning plate 62 and a clamping plate 66 arranged on the back of the lowermost separation plate 61.
[0055] Specifically, the rotating shaft 63 slides in the displacement sliding groove 65, the clamping plate 66 is located at the back of the rotating shaft 63, the clamping plate 66 and the partition plate 61 are fixed and assembled into a "U" shape, and the rotating shaft 63 is clamped therein.
[0056] The snap ring 67 is slidably connected to the back of the partition plate 61, and the snap ring 67 is slidably connected to the outer side of the sliding rod 3.
[0057] By arranging the adjusting assembly 6, the adjusting assembly 6 is arranged on both sides of the frame 2, which is used to shield the human body, and after the partition plate 61 is loosened by rotating the nut 64, the partition plate 61 can slide above the shielding plate 4, the distance between the two partition plates 61 can be controlled, the exposed position can be accurately controlled, and before the upper shielding plate 4 is lowered, part of the partition plate 61 is rotated in front of the rotating shaft 63 to avoid the descending route of the shielding plate 4, and then the nut 64 is rotated to make it descend and press the partition plate 61, so that the distance between the two shielding plates 4 can be freely controlled, and the exposure range can be more accurately controlled.
[0058] Specifically, the adjusting assembly 6 further comprises a clamping groove 68 arranged at the top edge of the front of the partition plate 61, and a clamping piece 69 arranged at the bottom edge of the front of the partition plate 61.
[0059] The clamping piece 69 is clamped in the clamping groove 68.
[0060] By arranging the clamping groove 68 and the clamping piece 69, the gap between the adjacent partition plates 61 can be shielded, so that the radiation can not penetrate from the gap, and the safety of the device in use can be improved.
[0061] The remaining structure is the same as that of example 1.
[0062] It should be noted that the above examples are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.
Claims
1. A medical X-ray protection device, comprising a base (1), a frame (2) disposed on the top of the base (1), two sliding rods (3) disposed on the front of the frame (2), and two shielding plates (4) disposed on the outside of the sliding rods (3), characterized in that: It also includes a fixing component (5) disposed on the back of the shielding plate (4). The fixing component (5) specifically includes a sliding seat (51) disposed on the back of the shielding plate (4), a sliding block (52) disposed inside the sliding seat (51), an inner cavity (53) opened inside the sliding block (52), an arc plate (54) disposed on the end of the sliding block (52) near the slide rod (3), a connecting groove (55) opened on the side of the arc plate (54) near the slide rod (3), an adsorption pad (56) disposed inside the connecting groove (55), a mounting platform (57) and a rotating seat (510) disposed on the back of the shielding plate (4), a spring air pipe (58) disposed on the top of the mounting platform (57), a connecting air pipe (59) disposed between the spring air pipe (58) and the sliding block (52), a control plate (511) disposed on the inner side of the rotating seat (510), and a connecting rod (512) disposed between the bottom end of the control plate (511) and the top of the spring air pipe (58). The connecting groove (55) is connected to the inner cavity (53). The control plate (511) is designed with an inclination. A torsion spring is provided between the control plate (511) and the rotating seat (510). An adjustment component (6) is provided between the two shielding plates (4). The adjustment component (6) specifically includes a partition plate (61) arranged in a linear array on the outside of the slide bar (3), a positioning plate (62) arranged on the side of the shielding plate (4), a rotating shaft (63) arranged between the partition plate (61) and the positioning plate (62), and a nut (64) arranged on the top of the rotating shaft (63). The positioning plate (62) is located below the partition plate (61), and the rotating shaft (63) passes through the partition plate (61) and the positioning plate (62). The lower end of the rotating shaft (63) is provided with a disc that fits against the bottom of the positioning plate (62). The nut (64) is threadedly connected to the rotating shaft (63) and fits against the top of the uppermost partition plate (61). The adjustment assembly (6) also includes a displacement groove (65) opened on the top of the positioning plate (62) and a clamping plate (66) set on the back of the bottom partition plate (61). The rotating shaft (63) slides in the displacement groove (65), and the clamping plate (66) is located on the back of the rotating shaft (63). The clamping plate (66) and the partition plate (61) are assembled into a "U" shape and clamp the rotating shaft (63) therein.
2. The medical X-ray protection device according to claim 1, characterized in that: The adjusting screw (513) on the outside of the sliding seat (51) is parallel to the sliding direction of the sliding block (52). The adjusting screw (513) is threadedly connected to the sliding seat (51) and rotatably connected to the sliding block (52).
3. The medical X-ray protection device according to claim 1, characterized in that: The fixing component (5) also includes a slot (514) opened at the top of the control plate (511), a limiting rod (515) set at the top of the shielding plate (4), a sliding groove (516) opened at the top of the limiting rod (515), and a limiting block (517) set at the top of the shielding plate (4). The bottom wall of the slot (514) is parallel to the ground. The end of the limiting rod (515) near the control plate (511) is provided with a downward protrusion, and the protrusion fits into the slot (514).
4. The medical X-ray protection device according to claim 1, characterized in that: The adsorption pad (56) extends into a connecting groove (55). The adsorption pad (56) is annular, and the opening near the end of the slide bar (3) is set as a concave arc shape.
5. The medical X-ray protection device according to claim 1, characterized in that: The arc plate (54) surrounds both sides of the slide bar (3).
6. The medical X-ray protection device according to claim 3, characterized in that: The limiting block (517) is divided into upper and lower parts. The lower part slides in the sliding groove (516), and the upper part is pressed against the limiting rod (515).
7. The medical X-ray protection device according to claim 1, characterized in that: The back of the partition plate (61) is slidably connected to a retaining ring (67), which is slidably engaged with the outside of the slide rod (3).
8. The medical X-ray protection device according to claim 7, characterized in that: The adjustment component (6) also includes a groove (68) opened at the top edge of the front of the partition plate (61) and a piece (69) disposed at the bottom edge of the front of the partition plate (61). The overlapping piece (69) overlaps within the overlapping groove (68).
Citation Information
Patent Citations
Medical X-ray protection device
CN213551880U
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CN111250356A
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CN213963416U
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