Translation type shielding door
Technical Field
The utility model relates to a translation formula shield door belongs to radiation and protection technical field.
Background
At present, a translation type shielding door of a shielding room is a difficult point of the shielding equipment industry, and the original translation type shielding door has the defects of multiple parts, complex structure, large volume, poor environmental applicability, complex field assembly, poor response severity and frequent failure, so that the protective performance of indoor equipment is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome prior art not enough, provide a translation type shield door, its spare part is few, and the structure is simplified, and on-the-spot assembly is simple quick, has improved the reliability and the security of indoor installation, has improved convenience and the security that the staff used.
In order to solve the technical problem, the technical scheme of the utility model is that:
a translation type shielding door comprises a door frame, a door leaf, a track translation device and a door opening and closing device, wherein the door opening and closing device is used for controlling the separation and the closing between the door leaf and the door frame;
the rail translation device comprises a translation clutch driving device, a rail, a sliding block, a linear bearing, a spring, a first gear, a first rack and a thickening tooth block, wherein a pair of hanging rods are respectively installed at the top and the bottom of the door leaf through bolts, one end of the linear bearing is connected with the hanging rods through bolts, the other end of the linear bearing is connected with the sliding block, the spring is arranged between the sliding block and the linear bearing, the top and the bottom of the door frame are respectively provided with the rail, the sliding block is in sliding connection with the rail, the top end of the hanging rod positioned at the top of the door leaf is provided with the first rack, the right end of the first rack is provided with the thickening tooth block, the translation clutch driving device and the first gear are fixed at the top of the door frame, the first gear is provided with a pinion coaxial with the first gear, the translation clutch driving device is meshed with the pinion, and the first rack, the thickening tooth block is meshed with the first gear.
The door opening and closing device comprises an opening and closing driving device, a gear commutator, a curved groove hook, a bearing pile, a transmission long shaft, a shaft support and a push rod assembly, wherein the opening and closing driving device is fixed in the middle of a door leaf and meshed with the gear commutator, the upper part and the lower part of the opening and closing driving device are respectively provided with the transmission long shaft, the transmission long shaft is fixed on the door leaf through the shaft support, a transmission gear is fixed on the transmission long shaft and meshed with one end of the push rod assembly, the other end of the push rod assembly is meshed with the gear commutator, the bearing pile is fixed on a door frame, one end of the transmission long shaft is provided with the curved groove hook, a rotating bearing is arranged on the bearing pile, and the curved groove hook is movably connected with the rotating bearing.
Furthermore, the gear commutator comprises a reversing gear, a sector gear and two reversing racks, the reversing gear and the sector gear are coaxially arranged, the sector gear is meshed with the switch clutch driving device, and the two reversing racks are respectively positioned on two sides of the reversing gear and meshed with the reversing gear.
Further, the push rod assembly comprises a pushing rod, a rod joint, a rack seat and a second rack, one end of the pushing rod is connected with the rack seat through the rod joint, the second rack is fixed on the rack seat and meshed with the transmission gear, and the other end of the pushing rod is connected with the reversing rack through the rod joint.
Furthermore, an emergency handle hole is formed in the reversing gear.
Further, the top and the bottom of the door leaf are both provided with door leaf knife frames, and the top and the bottom of the door frame are both provided with chutes matched with the door leaf knife frames.
Furthermore, a door leaf decorative shell is arranged on the door leaf.
Having adopted above-mentioned technical scheme, the utility model discloses a breaking away from and being closed between switch door gear control door leaf and the door frame, rethread track translation device carries out the translation to the door leaf, simple structure, and is small, and the environmental suitability is strong. The thickening tooth piece has been increased, makes first rack and first gear match the meshing completely all the time, prevents that the part from damaging to emergency handle hole has been designed, supplies emergency manual operation.
Drawings
Fig. 1 is a front view of a translational shield door of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is an enlarged view of section C of FIG. 2;
fig. 4 is an enlarged view of the translation clutch driving device of the present invention;
fig. 5 is an enlarged view of the switch clutch driving device of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 5, a translation type shield door comprises a door frame 1, a door leaf 2, a track translation device and a door opening and closing device, wherein the door opening and closing device is used for controlling the separation and the closing between the door leaf 2 and the door frame 1, and the track translation device is used for driving the door leaf 2 to translate on the door frame 1 after the door leaf 2 is separated from the door frame 1;
the track translation device comprises a translation clutch driving device 31, a track 32, a sliding block 33, a linear bearing 34, a spring 35, a first gear 36, a first rack 37 and a thickening toothed block 38, wherein the top and the bottom of the door leaf 2 are respectively provided with a pair of hanging rods 39, one end of the linear bearing 34 is connected with the hanging rods 39, the other end of the linear bearing 34 is connected with the sliding block 33, the spring 35 is arranged between the sliding block 33 and the linear bearing 34, when the door leaf 2 is separated from the door frame 1, the spring 35 is restored to an original state from a compression state, the spring 35 jacks the door leaf 2, and after the door leaf 2 is jacked open, the spring 35 restored to the original state can play a role in preventing the door leaf 2 from falling back. The top and the bottom of door frame 1 all are provided with track 32, the length of track 32 is greater than twice the width of door leaf 2, slider 33 and track 32 sliding connection, peg 39 top that is located the top of door leaf 2 is provided with first rack 37, the right-hand member of first rack 37 is provided with thickening tooth piece 38, translation separation and reunion drive arrangement 31 and first gear 36 are fixed at the top of door frame 1, be provided with coaxial pinion 361 on first gear 36, translation separation and reunion drive arrangement 31 meshes with pinion 361, after door leaf 2 breaks away from door frame 1, translation separation and reunion drive arrangement 31 drive pinion 361 rotates, pinion 361 drives coaxial first gear 36 and rotates, first rack 37 meshes with first gear 36, thickening tooth piece 38 meshes with first gear 36, drive door leaf 2 from position A translation to position B.
As shown in fig. 3, the thickness of the thickening tooth block 38 is greater than the width of the first rack 37, when the door is closed, after the door leaf 2 is closed with the door frame 1, the first rack 37 is separated from the first gear 36, when the door is opened again, the problem that the first rack 37 cannot be completely engaged with the first gear 36 occurs, which results in the damage of the rack and the gear, the setting of the thickening tooth block 38 can make the door leaf 2 be closed with the door frame 1, the thickening tooth block 38 and the first gear 36 are also in the engaged state, when the door is opened again, the first rack 37 can be directly engaged with the thickening tooth block 38 for transmission.
As shown in fig. 1 and 3, the door opening and closing device includes a door opening and closing driving device 41, a gear commutator 42, a curved groove hook 43, a bearing pile 44, a long transmission shaft 45, a shaft support 46 and a push rod assembly, the door opening and closing driving device 41 is fixed in the middle of the door leaf 2 and engaged with the gear commutator 42, the upper and lower sides of the door opening and closing driving device 41 are respectively provided with a long transmission shaft 45, the long transmission shaft 45 is fixed on the door leaf 2 through the shaft support 46, the long transmission shaft 45 is fixed with a transmission gear 47, the transmission gear 47 is engaged with one end of the push rod assembly, the other end of the push rod assembly is engaged with the gear commutator 42, the bearing pile 44 is fixed on the door frame 1, one end of the long transmission shaft 45 is provided with a curved groove hook 43, the bearing pile 44 is provided. The push rod assembly drives the transmission gear 47 to drive the transmission long shaft 45 to rotate, and the transmission long shaft 45 drives the curved groove hook 43 to rotate. When the door is opened, the curved groove hook 43 rotates in the direction away from the rotating bearing 441 until the curved groove hook is separated from the rotating bearing 441, and at the moment, the spring 35 on the linear bearing 34 ejects the door frame; when the door is closed, the curved groove hook 43 rotates in a direction approaching the rolling bearing 441 until it is completely hooked and fixed with the rolling bearing 441.
The structure of the on-off clutch driving device 41 and the off-off clutch driving device 31 are the same, and the same electric driving device is disclosed in the patent with the publication number CN102364022B, so the structure of the on-off clutch driving device 41 and the off-off clutch driving device 31 will not be described in detail in this application.
As shown in fig. 1, the gear reverser 42 includes a reversing gear 421, a sector gear 422, and two reversing racks 423, the reversing gear 421 and the sector gear 422 are coaxially disposed, the sector gear 422 is engaged with the on-off clutch driving device 41, and the two reversing racks 423 are respectively located on both sides of the reversing gear 421 and engaged with the reversing gear 421. When the door is opened, the switch clutch driving device 41 is in meshing transmission with the sector gear 422, the sector gear 422 drives the coaxial reversing gear 421 to rotate, and the reversing gear 421 is meshed with the reversing racks 423 on the two sides of the reversing gear 421 to drive the push rod assembly to move up and down.
As shown in fig. 1 to 3, the push rod assembly includes a push rod 51, a rod joint 52, a rack holder 53 and a second rack 54, one end of the push rod 51 is connected to the rack holder 53 through the rod joint 52, the second rack 54 is fixed to the rack holder 53 and engaged with the transmission gear 47, and the other end of the push rod 51 is connected to the reversing rack 423 through the rod joint 52.
As shown in fig. 2, the reversing gear 421 is provided with an emergency handle hole 424, and when the door opening and closing device cannot work, a handle can be inserted into the emergency handle hole 424 to manually rotate to open the door for manual emergency.
As shown in fig. 3, the top and the bottom of the door 2 are both provided with a door knife frame 21, and the top and the bottom of the door frame 1 are both provided with a sliding chute 11 matched with the door knife frame 21. When the door is closed, the door blade frame 21 is inserted into the sliding groove 11 to play a shielding role.
As shown in fig. 3, the door 2 is provided with a door shell 22, and the components of the door 2 are provided in the door shell 22 to provide an aesthetic protection.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.