CN219840506U - Chain transmission structure of MRI room shielding door - Google Patents
Chain transmission structure of MRI room shielding door Download PDFInfo
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- CN219840506U CN219840506U CN202321290719.4U CN202321290719U CN219840506U CN 219840506 U CN219840506 U CN 219840506U CN 202321290719 U CN202321290719 U CN 202321290719U CN 219840506 U CN219840506 U CN 219840506U
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- mounting plate
- mri room
- shielding door
- hole
- hinge piece
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 12
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005299 abrasion Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008093 supporting effect Effects 0.000 abstract description 3
- 238000002595 magnetic resonance imaging Methods 0.000 description 32
- 230000006978 adaptation Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000012631 diagnostic technique Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The utility model relates to the technical field of MRI room shielding door installation, in particular to a chain transmission structure of an MRI room shielding door, which comprises an MRI room door frame and a shielding door body matched with the MRI room door frame, wherein the shielding door body is arranged in the MRI room door frame; according to the utility model, the first mounting plate and the second mounting plate can be stably supported by the positioning holes and the positioning columns instead of the first bolts; the first clamping groove and the second clamping groove which are arranged can replace the second bolt and the third bolt to play a role in stably supporting the hinge assembly, so that the problem of abrasion between the bolts and the threaded holes is avoided, the bearing effect on the shielding door body is increased, and the stability of the shielding door body in the use process is greatly improved.
Description
Technical Field
The utility model relates to the technical field of installation of an MRI room shielding door, in particular to a chain transmission structure of the MRI room shielding door.
Background
MRI (magnetic resonance imaging), magnetic resonance imaging, is a medical imaging diagnostic technique that is currently in wide use. The shielding door is used as matching equipment for a nuclear magnetic resonance imaging room, and is mainly used as an entrance and an exit of a doctor and a patient and related personnel and object instruments in the magnetic resonance examination room. In operation, the shielding door is closed, and forms an electromagnetic isolation barrier with the shielding body, the shielding window, various waveguides and filters, and has the functions of reflecting, absorbing and guiding electromagnetic energy flow. After the shielding door is closed, the shielding system can block the indoor and outdoor electromagnetic signal transmission.
The existing shielding door is firm and large in quality in order to guarantee the shielding effect on electromagnetism, and is fixedly installed on an MRI (magnetic resonance imaging) room door frame through a plurality of hinges and bolts in use, however, the existing hinges have supporting effects on the hinges through bolts in the use process, as shown in fig. 1, abrasion between the bolts and threaded holes is increased, and further the problem that the overall stability of the shielding door is poor easily occurs after a long time is caused, meanwhile, the hinges are independently installed, positioning inaccuracy easily occurs in the installation process, and the problem of difficulty in opening and closing is caused.
In view of the above technical drawbacks, a solution is now proposed.
Disclosure of Invention
The utility model aims to provide a chain transmission structure of an MRI room shielding door, which solves the technical defects, and when an MRI room door frame and a shielding door body are installed, a first mounting plate and a second mounting plate can be stably supported by the aid of positioning holes and positioning columns instead of first bolts; can replace second bolt and third bolt through the first draw-in groove and the second draw-in groove that set up to play the effect of steady support to the articulated subassembly, and then avoided the problem of wearing and tearing between bolt and the screw hole, also increased the bearing effect to the shield door body simultaneously, improved the steadiness in the shield door body use greatly, and can realize quick accurate equipment to the articulated subassembly, improved installation effectiveness.
The aim of the utility model can be achieved by the following technical scheme:
the chain transmission structure of the MRI room shielding door comprises an MRI room door frame and a shielding door body matched with the MRI room door frame, wherein the shielding door body is arranged in the MRI room door frame, a first mounting plate is arranged on the left front side of the MRI room door frame, a second mounting plate which is identical to the first mounting plate in structure is arranged on the left front side of the shielding door body, and a plurality of hinge assemblies are uniformly arranged between the first mounting plate and the second mounting plate along the vertical direction;
the hinge assembly comprises a first hinge piece, a first connecting plate, a first rotary drum, a shaft core, a second hinge piece, a second connecting plate and a second rotary drum, wherein the first hinge piece is arranged on the front side of a first mounting plate, the first connecting plate is fixedly welded on the right side of the first hinge piece, a plurality of first rotary drums are uniformly and fixedly welded on the right side of the first connecting plate along the length direction, the first rotary drums are sleeved with the same shaft core in a common clamping manner, the second hinge piece is arranged on the front side of the second mounting plate, the second connecting plate is fixedly welded on the left side of the second hinge piece, and the second rotary drum outside the shaft core is fixedly welded on the left side of the second connecting plate between two adjacent first rotary drums.
Preferably, the rear side walls of the first mounting plate and the second mounting plate are provided with a plurality of positioning holes which are arranged in a rectangular array, and the front sides of the MRI room door frame and the shielding door body are fixedly welded with positioning columns which are matched with the corresponding positioning holes.
Preferably, the front side walls of the first mounting plate and the second mounting plate are respectively provided with a first through hole communicated with the corresponding positioning hole, the front side of each positioning column is respectively provided with a first threaded hole, and each first through hole is internally inserted with a first bolt in threaded connection with the corresponding first threaded hole.
Preferably, the front side of first mounting panel has seted up the first draw-in groove with corresponding first hinge piece looks adaptation, and a plurality of second screw holes have been seted up to the rear side of first draw-in groove, the second through-hole has been seted up to the position that corresponds the second screw hole on the first hinge piece, peg graft in the second through-hole have with correspond second screw bolt of second screw hole threaded connection.
Preferably, the front side of the second mounting plate is provided with a second clamping groove matched with the corresponding second hinge piece, the rear side of the second clamping groove is provided with a plurality of third threaded holes, the second hinge piece is provided with a third through hole corresponding to the position of the third threaded hole, and a third bolt in threaded connection with the corresponding third threaded hole is inserted into the third through hole.
The beneficial effects of the utility model are as follows:
when the MRI room door frame and the shielding door body are installed, the first bolt can be replaced by the positioning hole and the positioning column to stably support the first mounting plate and the second mounting plate, and meanwhile, the purpose of rapidly positioning and installing the first mounting plate and the second mounting plate on the MRI room door frame and the shielding door body is achieved; can replace second bolt and third bolt through the first draw-in groove and the second draw-in groove that set up to play the effect of steady support to the articulated subassembly, and then avoided the problem of wearing and tearing between bolt and the screw hole, also increased the bearing effect to the shield door body simultaneously, improved the steadiness in the shield door body use greatly, and can realize quick accurate equipment to the articulated subassembly, improved installation effectiveness.
Drawings
The utility model is further described below with reference to the accompanying drawings;
FIG. 1 is a schematic view of a prior art hinge in use;
FIG. 2 is a perspective view of the structure of the present utility model;
FIG. 3 is a partial cross-sectional view from below of the present utility model;
FIG. 4 is a schematic illustration of the connection of the hinge assembly of the present utility model to a first mounting plate and a second mounting plate;
FIG. 5 is a schematic view of the hinge assembly of the present utility model;
fig. 6 is an enlarged view of a portion of fig. 3 a of the present utility model.
Legend description:
1. an MRI room door frame; 11. positioning columns; 12. a first threaded hole;
2. a shield door body;
3. a first mounting plate; 31. positioning holes; 32. a first through hole; 33. a first bolt; 34. a first clamping groove; 35. a second threaded hole; 36. a second bolt;
4. a second mounting plate; 41. a second clamping groove; 42. a third threaded hole; 43. a third bolt;
5. a hinge assembly; 51. a first hinge piece; 52. a first connection plate; 53. a first drum; 54. a shaft core; 55. a second hinge piece; 56. a second connecting plate; 57. a second drum; 58. a second through hole; 59. and a third through hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
the problem that the whole stability of the shielding door is poor after a long time is easily caused by increasing abrasion between the bolt and the threaded hole due to the fact that the existing hinge supports the hinge through the bolt in the using process can be solved through the following scheme;
referring to fig. 2-6, the utility model discloses a chain transmission structure of an MRI room shielding door, the MRI room shielding door comprises an MRI room door frame 1 and a shielding door body 2 matched with the MRI room door frame 1, the shielding door body 2 is arranged in the MRI room door frame 1, a first mounting plate 3 is arranged at the left front side of the MRI room door frame 1, the fixing area between a hinge assembly 5 and the MRI room door frame 1 is conveniently increased through the arranged first mounting plate 3, the connection effect of the hinge assembly 5 and the MRI room door frame 1 is further enhanced, a second mounting plate 4 with the same structure as the first mounting plate 3 is arranged at the left front side of the shielding door body 2, the fixing area between the hinge assembly 5 and the shielding door body 2 is conveniently increased through the arranged second mounting plate 4, the connection effect of the second mounting plate 4 and the shielding door body 2 is further enhanced, a plurality of hinge assemblies 5 are uniformly arranged between the first mounting plate 3 and the second mounting plate 4 along the vertical direction, each hinge assembly 5 comprises a first hinge sheet 51, a first connecting plate 52, a first hinge sheet 53, a shaft core 54, a second hinge sheet 55, a second connecting plate 56 and a second rotating drum 57, the first hinge sheet 51 is arranged at the front side of the first mounting plate 3, the right side of the first hinge sheet 51 is fixedly welded with the first connecting plate 52, the right side of the first connecting plate 52 is uniformly fixedly welded with a plurality of first rotating drums 53 along the length direction, the same shaft core 54 is sleeved in the plurality of first rotating drums 53 in a sleeved mode, the second hinge sheet 55 is arranged at the front side of the second mounting plate 4, the left side of the second hinge sheet 55 is fixedly welded with the second connecting plate 56, the left side of the second connecting plate 56 is positioned between two adjacent first rotating drums 53, the second rotating drum 57 which is movably sleeved outside the shaft core 54 is fixedly welded, the load bearing effect of the hinge assembly 5 is enhanced by the cooperation of the plurality of first drums 53 and the plurality of second drums 57.
The back side wall of the first mounting plate 3 and the back side wall of the second mounting plate 4 are provided with a plurality of positioning holes 31 which are arranged in a rectangular array, the front sides of the MRI room door frame 1 and the shielding door body 2 are fixedly welded with positioning columns 11 which are matched with the corresponding positioning holes 31, and the purpose of quick positioning and mounting on the MRI room door frame 1 and the shielding door body 2 is achieved through the positioning holes 31 and the positioning columns 11.
First through holes 32 communicated with corresponding positioning holes 31 are formed in the front side walls of the first mounting plate 3 and the second mounting plate 4, first threaded holes 12 are formed in the front sides of the positioning columns 11, first bolts 33 in threaded connection with the corresponding first threaded holes 12 are inserted into the first through holes 32, the first bolts 33 can be replaced by the positioning holes 31 and the positioning columns 11 to stably support the first mounting plate 3 and the second mounting plate 4, the problem of abrasion between the first bolts 33 and the first threaded holes 12 is avoided, and the first bolts 33 and the first threaded holes 12 can play a role of avoiding separation of the positioning holes 31 and the positioning columns 11.
The front side of the first mounting plate 3 is provided with a first clamping groove 34 matched with the corresponding first hinge piece 51, the rear side of the first clamping groove 34 is provided with a plurality of second threaded holes 35, the position, corresponding to the second threaded holes 35, of the first hinge piece 51 is provided with a second through hole 58, the second through hole 58 is internally inserted with a second bolt 36 in threaded connection with the corresponding second threaded holes 35, the first clamping groove 34 can replace the second bolt 36 to stably support the first hinge piece 51, and further the problem of abrasion between the second bolt 36 and the second threaded holes 35 is avoided.
The front side of second mounting panel 4 has been seted up and has been corresponded second hinge piece 55 looks adaptation second draw-in groove 41, and a plurality of third screw holes 42 have been seted up to the rear side of second draw-in groove 41, third through-hole 59 has been seted up to the position that corresponds third screw hole 42 on the second hinge piece 55, third through-hole 59 inserts with correspond third bolt 43 of third screw hole 42 threaded connection, can replace third bolt 43 through the second draw-in groove 41 that sets up to play the effect of steady support to second hinge piece 55, and then avoided the problem of wearing and tearing between third bolt 43 and the third screw hole 42.
The working process and principle of the utility model are as follows:
when the MRI room door frame 1 and the shielding door body 2 are installed, the first mounting plate 3 and the second mounting plate 4 can be rapidly positioned and installed on the MRI room door frame 1 and the shielding door body 2 through the positioning holes 31 and the positioning columns 11, the first mounting plate 3 and the second mounting plate 4 are fixed through the first bolts 33, the first hinge sheet 51 and the second hinge sheet 55 in the hinge assembly 5 are respectively clamped in the corresponding first clamping groove 34 and the second clamping groove 41, and the hinge assembly 5 is fixed with the first mounting plate 3 and the second mounting plate 4 through the second bolts 36 and the third bolts 43; the positioning holes 31 and the positioning columns 11 can replace the first bolts 33 to stably support the first mounting plate 3 and the second mounting plate 4, and simultaneously, the purpose of rapidly positioning and mounting the first mounting plate 3 and the second mounting plate 4 on the MRI room door frame 1 and the shielding door body 2 is achieved; the first clamping groove 34 and the second clamping groove 41 which are arranged can replace the second bolt 36 and the third bolt 43 to play a role in stably supporting the hinge assembly 5, so that the problem of abrasion between the bolts and the threaded holes is avoided, the bearing effect on the shielding door body 2 is increased, the stability of the shielding door body 2 in the use process is greatly improved, the hinge assembly 5 can be assembled quickly and accurately, and the installation efficiency is improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
- The chain transmission structure of the MRI room shielding door comprises an MRI room door frame (1) and a shielding door body (2) matched with the MRI room door frame (1), and is characterized in that the shielding door body (2) is arranged in the MRI room door frame (1), a first mounting plate (3) is arranged on the left front side of the MRI room door frame (1), a second mounting plate (4) with the same structure as the first mounting plate (3) is arranged on the left front side of the shielding door body (2), and a plurality of hinge assemblies (5) are uniformly arranged between the first mounting plate (3) and the second mounting plate (4) along the vertical direction;the hinge assembly (5) comprises a first hinge piece (51), a first connecting plate (52), a first rotating cylinder (53), a shaft core (54), a second hinge piece (55), a second connecting plate (56) and a second rotating cylinder (57), wherein the first hinge piece (51) is arranged on the front side of the first mounting plate (3), the first connecting plate (52) is fixedly welded on the right side of the first hinge piece (51), a plurality of first rotating cylinders (53) are uniformly fixedly welded on the right side of the first connecting plate (52) along the length direction, a plurality of first rotating cylinders (53) are sleeved with the same shaft core (54) in the first rotating cylinders (53) in a sleeved mode, the second hinge piece (55) is arranged on the front side of the second mounting plate (4), the second connecting plate (56) is fixedly welded on the left side of the second hinge piece (55), and the second rotating cylinder (57) outside the shaft core (54) is fixedly welded between two adjacent first rotating cylinders (53).
- 2. The chain transmission structure of the MRI room shielding door according to claim 1, wherein the rear side walls of the first mounting plate (3) and the second mounting plate (4) are provided with a plurality of positioning holes (31) which are arranged in a rectangular array, and the front sides of the MRI room door frame (1) and the shielding door body (2) are fixedly welded with positioning columns (11) which are matched with the corresponding positioning holes (31).
- 3. The chain transmission structure of the MRI room shielding door according to claim 2, characterized in that the front side walls of the first mounting plate (3) and the second mounting plate (4) are respectively provided with a first through hole (32) communicated with a corresponding positioning hole (31), the front side of each positioning column (11) is respectively provided with a first threaded hole (12), and each first through hole (32) is internally inserted with a first bolt (33) in threaded connection with the corresponding first threaded hole (12).
- 4. The chain transmission structure of the MRI room shielding door according to claim 1, characterized in that a first clamping groove (34) adapted to a corresponding first hinge piece (51) is provided on the front side of the first mounting plate (3), a plurality of second threaded holes (35) are provided on the rear side of the first clamping groove (34), a second through hole (58) is provided on the first hinge piece (51) at a position corresponding to the second threaded holes (35), and a second bolt (36) in threaded connection with the corresponding second threaded holes (35) is inserted into the second through hole (58).
- 5. The chain transmission structure of the MRI room shielding door according to claim 1, characterized in that the front side of the second mounting plate (4) is provided with a second clamping groove (41) adapted to the corresponding second hinge piece (55), the rear side of the second clamping groove (41) is provided with a plurality of third threaded holes (42), the position of the second hinge piece (55) corresponding to the third threaded holes (42) is provided with a third through hole (59), and the third through hole (59) is internally inserted with a third bolt (43) in threaded connection with the corresponding third threaded hole (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321290719.4U CN219840506U (en) | 2023-05-25 | 2023-05-25 | Chain transmission structure of MRI room shielding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321290719.4U CN219840506U (en) | 2023-05-25 | 2023-05-25 | Chain transmission structure of MRI room shielding door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219840506U true CN219840506U (en) | 2023-10-17 |
Family
ID=88297560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321290719.4U Active CN219840506U (en) | 2023-05-25 | 2023-05-25 | Chain transmission structure of MRI room shielding door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219840506U (en) |
-
2023
- 2023-05-25 CN CN202321290719.4U patent/CN219840506U/en active Active
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