CN216095465U - Laboratory multistage flexible universal enclosure seal structure - Google Patents
Laboratory multistage flexible universal enclosure seal structure Download PDFInfo
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- CN216095465U CN216095465U CN202122440502.4U CN202122440502U CN216095465U CN 216095465 U CN216095465 U CN 216095465U CN 202122440502 U CN202122440502 U CN 202122440502U CN 216095465 U CN216095465 U CN 216095465U
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- telescopic rod
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Abstract
The utility model discloses a multi-stage telescopic universal smoke exhaust hood sealing structure for a laboratory, which is used for the laboratory and comprises a telescopic mechanism, a rotating ring, a multi-stage direction adjusting mechanism and a smoke exhaust hood; the top of the mechanism is provided with a driving motor, one side of the top of the mechanism is provided with an air guide hole, and the mechanism is communicated with an exhaust pipeline in the laboratory through the air guide hole; the bottom of the mechanism is rotatably provided with the rotating ring; the mechanism is of a circular column structure or a square column structure; the other end of the rotating ring is fixedly connected with the multi-stage direction adjusting mechanism; the multi-stage direction adjusting mechanism is fixedly connected with the smoke exhaust hood. The whole height of the smoke exhaust hood is adjusted through the mechanism, the actual use position of the smoke exhaust hood is flexibly adjusted through the multi-stage direction adjusting mechanism, the use is flexible, and the operation is convenient; and through set up unique seal structure at the telescopic link junction, prevent that gaseous production from leaking in the transmission course.
Description
Technical Field
The utility model relates to the technical field of laboratory tools, in particular to a multi-stage telescopic universal smoke exhaust hood sealing structure for a laboratory.
Background
The PCR laboratory detection capability of the existing infectious disease special department or large hospital is limited, and needs to be expanded; the laboratory is not available for secondary hospitals, villages, towns and community primary hospitals, and new construction is needed; a new temporary hospital needs to be built; and a smoke exhaust hood is required to be equipped in the laboratory due to the experimental requirements.
However, the existing exhaust hood is integrally formed, the relative direction of the air inlet and the air outlet is fixed, and the exhaust hood cannot be flexibly adjusted according to the relative direction of the air inlet and the air outlet in the installation process and the subsequent use process, so that the limitation is high; and the air guide sealing structure in the exhaust hood is unstable, and gas leakage is easy to generate after long-time use.
Therefore, a sealing structure of a multistage telescopic universal smoke exhaust hood in a laboratory is needed to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multi-stage telescopic universal smoke exhaust hood sealing structure for a laboratory, which is used for solving the problems in the prior art, realizing the purpose of randomly adjusting the use position of a smoke exhaust hood, controlling the gas flow and preventing the gas from leaking in the transmission process.
In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a multi-stage telescopic universal smoke exhaust hood sealing structure for a laboratory, which is used for the laboratory and comprises: the device comprises a telescopic mechanism, a rotating ring, a multi-stage direction adjusting mechanism and a smoke exhaust hood; a driving motor is installed at the top of the telescopic mechanism, an air guide hole is formed in one side of the top of the telescopic mechanism, and the telescopic mechanism is communicated with an exhaust pipeline in the laboratory through the air guide hole;
the bottom of the telescopic mechanism is rotatably provided with the rotating ring; the telescopic mechanism is of a round telescopic column structure or a square telescopic column structure; the other end of the rotating ring is fixedly connected with the multi-stage direction adjusting mechanism; the multi-stage direction adjusting mechanism is fixedly connected with the smoke exhaust hood;
the telescopic mechanism comprises a first telescopic rod, a second telescopic rod, a first inner support, a second inner support and a third telescopic rod; the other end of the inner cavity of the first telescopic rod is provided with one end of a second telescopic rod through the first inner support; the other end of the second telescopic rod is provided with one end of a third telescopic rod through another second inner support; the other end of the third telescopic rod is rotatably connected with the rotating ring; the outer wall of the second telescopic rod is provided with a guide groove matched with the inner cavity of the first telescopic rod, and the outer wall of the third telescopic rod is provided with a guide groove matched with the inner cavity of the second telescopic rod.
The multistage steering mechanism comprises a first guide pipe, a second guide pipe, a third guide pipe, a fourth guide pipe, a first steering connecting pipe, a second steering connecting pipe and a third steering connecting pipe; the first guide pipe is vertically arranged, and one end of the first guide pipe is in threaded connection or welded with the rotating ring; the other end of the first conduit is rotatably connected with one end of the second conduit through a first steering connecting pipe; the other end of the second conduit is rotatably connected with one end of a third conduit through a second steering connecting pipe; the other end of the third conduit is rotatably connected with one end of a fourth conduit through a third steering connecting pipe; the other end of the fourth guide pipe is fixedly provided with the smoke exhaust hood.
The first steering connecting pipe and the second steering connecting pipe are arranged in parallel, and the first steering connecting pipe and the second steering connecting pipe are both perpendicular to the third steering connecting pipe.
The first steering connecting pipe and the third steering connecting pipe are arranged in parallel, and the first steering connecting pipe and the third steering connecting pipe are both perpendicular to the second steering connecting pipe.
The first steering connecting pipe, the second steering connecting pipe and the third steering connecting pipe have the same structure; the first steering connecting pipe comprises a first joint, a sealing ring and a second joint; the first joint and the second joint are arranged in a sealing mode through a sealing ring and are connected in a rotating mode, and a cavity for air to flow is formed in the first joint and the second joint.
The first joint and the second joint are both provided with an airflow adjusting button penetrating through the side wall of the first joint and the second joint;
the top of the telescopic mechanism is also provided with a fixed bracket; the fixed bracket is arranged on the laboratory top plate; the driving motor is arranged in the fixed support.
A first lead screw nut is further mounted on one end face of the first inner support; the second inner support is fixedly connected with the end face of the third telescopic rod, and a lead screw sleeve is fixedly arranged in the second inner support; a screw rod is arranged in the screw rod sleeve; a second screw nut is arranged on one end face of the second inner support;
the first lead screw nut and the second lead screw nut are installed on the lead screw, and the lead screw is in transmission connection with the driving motor.
Two end faces of the second telescopic rod are both fixedly provided with check rings; and two sealing sliding rings are respectively arranged on the mounting surfaces of the second telescopic rod and the first inner support as well as the mounting surfaces of the second telescopic rod and the second inner support.
The utility model discloses the following technical effects: the whole height of the smoke exhaust hood is adjusted through the telescopic mechanism, the actual use position of the smoke exhaust hood is flexibly adjusted through the multi-stage direction adjusting mechanism, the use is flexible, and the operation is convenient; and through set up unique seal structure at the telescopic link junction, prevent that gaseous production from leaking in the transmission course.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the telescoping mechanism of the present invention;
the device comprises a telescopic mechanism 1, a rotating ring 2, a fixed support 3, a smoke exhaust hood 4, a driving motor 5, a first guide pipe 6, a second guide pipe 7, a third guide pipe 8, a fourth guide pipe 9, a first steering connecting pipe 10, a second steering connecting pipe 11, a third steering connecting pipe 12, a sealing ring 13, an air flow adjusting button 14, a first telescopic rod 15, a second telescopic rod 16, a first inner support 17, a third telescopic rod 18, a second inner support 19, a first lead screw nut 20, a lead screw sleeve 21, a lead screw 22, a second lead screw nut 23, a retainer ring 24 and a sealing sliding ring 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The utility model provides a multi-stage telescopic universal smoke exhaust hood sealing structure for a laboratory, which is used for the laboratory and comprises: the device comprises a telescopic mechanism 1, a rotating ring 2, a multi-stage direction adjusting mechanism and a smoke exhaust hood 4; the top of the telescopic mechanism 1 is provided with a driving motor 5, one side of the top of the telescopic mechanism 1 is provided with an air guide hole, and the telescopic mechanism 1 is communicated with an exhaust pipeline in a laboratory through the air guide hole;
the bottom of the telescopic mechanism 1 is rotatably provided with a rotating ring 2; the telescopic mechanism 1 is in a round telescopic column structure or a square telescopic column structure; the other end of the rotating ring 2 is fixedly connected with a multi-stage direction adjusting mechanism; the multi-stage direction adjusting mechanism is fixedly connected with the smoke exhaust hood 4; the telescopic mechanism 1 comprises a first telescopic rod 15, a second telescopic rod 16, a first inner support 17, a second inner support 19 and a third telescopic rod 18; the other end of the inner cavity of the first telescopic rod 15 is provided with one end of a second telescopic rod 16 through a first inner support 17; the other end of the second telescopic rod 16 is provided with one end of a third telescopic rod 18 through another second inner bracket 19; the other end of the third telescopic rod 18 is rotatably connected with the rotating ring 2; the outer wall of the second telescopic rod 16 is provided with a guide groove matched with the inner cavity of the first telescopic rod 15, and the outer wall of the third telescopic rod 18 is provided with a guide groove matched with the inner cavity of the second telescopic rod 16.
The multi-stage steering mechanism comprises a first guide pipe 6, a second guide pipe 7, a third guide pipe 8, a fourth guide pipe 9, a first steering connecting pipe 10, a second steering connecting pipe 11 and a third steering connecting pipe 12; the first guide pipe 6 is vertically arranged, and one end of the first guide pipe 6 is in threaded connection or welded with the rotating ring 2; the other end of the first conduit 6 is rotatably connected with one end of the second conduit 7 through a first steering connecting pipe 10; the other end of the second conduit 7 is rotatably connected with one end of the third conduit 8 through a second steering connecting pipe 11; the other end of the third conduit 8 is rotatably connected with one end of the fourth conduit 9 through a third steering connecting pipe 12; the other end of the fourth conduit 9 is fixedly provided with a smoke exhaust hood 4.
First turn to connecting pipe 10 and the second and turn to connecting pipe 11 parallel arrangement, first turn to connecting pipe 10 and the second turn to connecting pipe 11 and all turn to connecting pipe 12 perpendicular setting with the third.
The first steering connecting pipe 10 and the third steering connecting pipe 12 are arranged in parallel, and the first steering connecting pipe 10 and the third steering connecting pipe 12 are both arranged perpendicular to the second steering connecting pipe 11.
The first steering connecting pipe 10, the second steering connecting pipe 11 and the third steering connecting pipe 12 have the same structure; the first steering connecting pipe 10 comprises a first joint, a sealing ring 13 and a second joint; the first joint and the second joint are sealed by a sealing ring 13 and are rotatably connected, and a cavity for air to flow is formed in the first joint and the second joint.
The first joint and the second joint are both provided with an airflow adjusting button 14 which penetrates through the side wall of the first joint and the second joint;
the top of the telescopic mechanism 1 is also provided with a fixed bracket 3; the fixed bracket 3 is arranged on a laboratory top plate; the driving motor 5 is arranged in the fixed bracket 3.
A first lead screw nut 20 is further mounted on one end face of the first inner support 17; the second inner support 19 is fixedly connected with the end face of the third telescopic rod 18, and a screw rod sleeve 21 is fixedly arranged in the second inner support 19; a lead screw 22 is arranged in the lead screw sleeve 21; a second lead screw nut 23 is arranged on one end surface of the second inner bracket 19;
the first lead screw nut 20 and the second lead screw nut 23 are mounted on a lead screw 22, and the lead screw 22 is in transmission connection with the driving motor 5.
Two end faces of the second telescopic rod 16 are both fixedly provided with check rings 24; two sealing slide rings 25 are respectively arranged on the mounting surfaces of the second telescopic rod 16 and the first inner support 17 and the second inner support 19.
The telescopic rod adopts a double-slip ring, double-seal and annular seal cavity structure, so that the structure is stable, and the deformation is not easy to damage, thereby preventing gas leakage.
In one embodiment of the present invention, the driving motor 5 drives the lead screw to move the first inner bracket 17 and the second inner bracket 19 through the first lead screw nut 20 and the second lead screw nut 23, so as to respectively extend and retract the second telescopic rod 16 and the third telescopic rod 18 through the guide slot.
Further, two sealing slide rings 25 are provided adjacent to the two side retainers 24, respectively, near the position where the first inner support 17 extends into the most distal end and near the most distal end of the second inner support 19.
In one embodiment of the utility model, the telescopic mechanism 1 is made of high-density PP and aluminum alloy materials, and is acid-resistant, alkali-resistant and corrosion-resistant;
further, the fixed support 3 is made of high-density PVC material and is integrally formed by injection molding of a mold, so that the phenomenon of tearing and peeling cannot occur.
In one embodiment of the present invention, the gas flow adjusting knob 14 controls the gas flow rate.
In one embodiment of the utility model, the group area control is performed. A remote controller is used for controlling a group of multi-set multi-stage telescopic universal smoke exhaust hood in one area to simultaneously extend upwards and retract.
In an embodiment of the present invention, a driving structure is further disposed in the first steering connecting pipe 10, the driving structure includes a "T" shaped lever and a connecting rod, the "T" shaped lever is mounted on a side wall of the connecting rod, and the "T" shaped lever and the connecting rod form a "T" shape, the connecting rod is laterally and rotatably mounted inside a cavity formed by the first joint and the second joint, the interiors of the first joint and the second joint are both "L" shaped, and the "T" shaped lever extends into the interior of the second joint, and the "T" shaped lever is used for driving the second joint to rotate relative to the first joint; through the arrangement, the connecting rod is rotated and the T-shaped blocking rod is driven, so that the second joint is conveniently driven to rotate relative to the first joint, and the direction of a gas flowing channel can be changed. The gas flow direction in the first conduit 6, the second conduit 7, the third conduit 8 and the fourth conduit 9 is realized, so that the maximum movable radius of the fixed bracket 3 as the center can reach 1000mm or 1600mm, and the fixed bracket can be positioned and adjusted randomly.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. The utility model provides a multi-stage flexible universal enclosure seal structure in laboratory for the laboratory, its characterized in that includes: the device comprises a telescopic mechanism (1), a rotating ring (2), a multi-stage direction adjusting mechanism and a smoke exhaust hood (4); a driving motor (5) is installed at the top of the telescopic mechanism (1), an air guide hole is formed in one side of the top of the telescopic mechanism (1), and the telescopic mechanism (1) is communicated with an exhaust pipeline in the laboratory through the air guide hole;
the bottom of the telescopic mechanism (1) is rotatably provided with the rotating ring (2); the telescopic mechanism (1) is of a round telescopic column structure or a square telescopic column structure; the other end of the rotating ring (2) is fixedly connected with the multi-stage direction adjusting mechanism; the multi-stage direction adjusting mechanism is fixedly connected with the smoke exhaust hood (4);
the telescopic mechanism (1) comprises a first telescopic rod (15), a second telescopic rod (16), a first inner support (17), a second inner support (19) and a third telescopic rod (18); the other end of the inner cavity of the first telescopic rod (15) is provided with one end of a second telescopic rod (16) through the first inner support (17); the other end of the second telescopic rod (16) is provided with one end of a third telescopic rod (18) through another second inner bracket (19); the other end of the third telescopic rod (18) is rotatably connected with the rotating ring (2); the outer wall of the second telescopic rod (16) is provided with a guide groove matched with the inner cavity of the first telescopic rod (15), and the outer wall of the third telescopic rod (18) is provided with a guide groove matched with the inner cavity of the second telescopic rod (16).
2. The laboratory multi-stage telescopic universal smoke exhaust hood sealing structure according to claim 1, characterized in that: the multistage steering mechanism comprises a first guide pipe (6), a second guide pipe (7), a third guide pipe (8), a fourth guide pipe (9), a first steering connecting pipe (10), a second steering connecting pipe (11) and a third steering connecting pipe (12); the first guide pipe (6) is vertically arranged, and one end of the first guide pipe (6) is in threaded connection or welded with the rotating ring (2); the other end of the first conduit (6) is rotatably connected with one end of the second conduit (7) through the first steering connecting pipe (10); the other end of the second conduit (7) is rotatably connected with one end of the third conduit (8) through the second steering connecting pipe (11); the other end of the third conduit (8) is rotatably connected with one end of the fourth conduit (9) through the third steering connecting pipe (12); the other end of the fourth conduit (9) is fixedly provided with the smoke exhaust hood (4).
3. The laboratory multi-stage telescopic universal smoke exhaust hood sealing structure according to claim 2, characterized in that: the first steering connecting pipe (10) and the second steering connecting pipe (11) are arranged in parallel, and the first steering connecting pipe (10) and the second steering connecting pipe (11) are both perpendicular to the third steering connecting pipe (12).
4. The laboratory multi-stage telescopic universal smoke exhaust hood sealing structure according to claim 2, characterized in that: the first steering connecting pipe (10) and the third steering connecting pipe (12) are arranged in parallel, and the first steering connecting pipe (10) and the third steering connecting pipe (12) are both perpendicular to the second steering connecting pipe (11).
5. The laboratory multi-stage telescopic universal smoke exhaust hood sealing structure according to claim 2, characterized in that: the first steering connecting pipe (10), the second steering connecting pipe (11) and the third steering connecting pipe (12) are identical in structure; the first steering connecting pipe (10) comprises a first joint, a sealing ring (13) and a second joint; the first joint and the second joint are hermetically arranged and rotationally connected through the sealing ring (13), and a cavity for gas to flow is formed in the first joint and the second joint.
6. The laboratory multi-stage telescopic universal smoke exhaust hood sealing structure according to claim 5, characterized in that: and the first joint and the second joint are both provided with an airflow adjusting button (14) which penetrates through the side wall of the first joint and the second joint.
7. The laboratory multi-stage telescopic universal smoke exhaust hood sealing structure according to claim 1, characterized in that: the top of the telescopic mechanism (1) is also provided with a fixed bracket (3); the fixed bracket (3) is arranged on the laboratory top plate; the driving motor (5) is arranged in the fixed support (3).
8. The laboratory multi-stage telescopic universal smoke exhaust hood sealing structure according to claim 1, characterized in that: a first lead screw nut (20) is further mounted on one end face of the first inner support (17); the second inner support (19) is fixedly connected with the end face of the third telescopic rod (18), and a screw rod sleeve (21) is fixedly arranged in the second inner support (19); a screw rod (22) is arranged in the screw rod sleeve (21); a second lead screw nut (23) is mounted on one end face of the second inner support (19);
the first lead screw nut (20) and the second lead screw nut (23) are mounted on the lead screw (22), and the lead screw (22) is in transmission connection with the driving motor (5).
9. The laboratory multi-stage telescopic universal smoke exhaust hood sealing structure according to claim 1, characterized in that: two end faces of the second telescopic rod (16) are fixedly provided with check rings (24); two sealing sliding rings (25) are respectively arranged on the mounting surfaces of the second telescopic rod (16) and the first inner support (17) and the second inner support (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122440502.4U CN216095465U (en) | 2021-10-11 | 2021-10-11 | Laboratory multistage flexible universal enclosure seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122440502.4U CN216095465U (en) | 2021-10-11 | 2021-10-11 | Laboratory multistage flexible universal enclosure seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216095465U true CN216095465U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122440502.4U Active CN216095465U (en) | 2021-10-11 | 2021-10-11 | Laboratory multistage flexible universal enclosure seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216095465U (en) |
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2021
- 2021-10-11 CN CN202122440502.4U patent/CN216095465U/en active Active
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