Grille with movable access hole

Abstract

The utility model provides a grille with a movable access hole, which comprises a first grille, a second grille and a movable access hole, the second grating is arranged on the first grating in a sliding mode, the second grating slides to close the access hole in the horizontal direction, and the second grating slides to be hidden below the first grating in the vertical direction; the traction structure comprises a winding wheel rotationally arranged on the first grid, a traction rope wound on the winding wheel and a limiting piece used for limiting or releasing the traction rope, the traction rope is connected to the second grid, the limiting piece is movably arranged on the first grid, and the traction rope is connected to the second grid. The limiting part is arranged on the first grating, so that when the limiting part moves to be gradually close to the first grating, the pulling rope is gradually pressed on the first grating, and when the limiting part is gradually away from the first grating, the pulling rope is gradually released. The technical problems that a traditional grating is difficult to construct and not easy to open and close due to the influence of installation equipment are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of biological laboratory construction, in particular to a grille with a movable inspection opening. Background Art

[0002] The "box-in-box" model achieves biosafety protection through two nested confined spaces. The experimental functions belonging to the contaminated area are located in the inner "box", and a circular corridor is formed inside the box. Researchers and experimental organisms move around in the box and are separated from the outside world by the surrounding confinement measures. From the cross-section, the inner box is usually located in the middle of the outer box, and a high-efficiency filter and life support system are usually installed on the inner box, and the pipelines are usually installed on the inner box enclosure structure.

[0003] In order to reduce the purification path of harmful gases and reduce the risk of harmful gas leakage, a mezzanine is set on the "inner box" to install high-efficiency filters and life support systems, and the pipelines are set between the mezzanine and the inner box enclosure structure. The material of the mezzanine is usually steel grating. Because the equipment on the steel grating is heavy, in order to reduce the deformation of the steel grating, the cross-sectional size of the steel grating in the mezzanine is usually large, which increases the dead weight of the steel grating. When problems occur in the pipelines set under the steel grating, coupled with the presence of a large number of equipment, it is difficult to move the steel grating for maintenance. The inner box is composed of multiple high-level laboratories with a large area, and a single inspection port is difficult to meet the requirements. Randomly cutting the steel grating to set up the inspection port will reduce the stability of the steel grating. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides a grille with a movable inspection opening to solve the technical problems in the related art that the traditional grille is difficult to construct and is difficult to open and close due to the influence of the installation equipment.

[0005] The utility model provides a grille with a movable inspection opening, comprising:

[0006] a first grille having an access opening;

[0007] A second grille is slidably disposed on the first grille, so that the second grille is slid horizontally to close the inspection opening, and the second grille is slid vertically to be hidden under the first grille;

[0008] The traction structure includes a winding wheel rotatably arranged on the first grid, a traction rope wound on the winding wheel, and a limiting member for limiting or releasing the traction rope, wherein the traction rope is connected to the second grid, and the limiting member is movably arranged on the first grid so that the traction rope is gradually pressed against the first grid when the limiting member moves to gradually approach the first grid, and the traction rope is gradually released when the limiting member gradually moves away from the first grid.

[0009] Furthermore, the limiting member is a pressing block, and the pressing block is slidably arranged on the first grid in a vertical direction.

[0010] Furthermore, a threaded rod penetrates the pressing block, and the threaded rod is rotatably disposed on the first grid.

[0011] Furthermore, the outer shell of the pressing block is provided with a guide sleeve, the outer surface of the pressing block is slidably fitted with the inner wall of the guide sleeve, and the guide sleeve is fixed to the first grid.

[0012] Furthermore, the guide sleeve is provided with a through hole for avoiding the traction rope.

[0013] Furthermore, a plurality of wire wheels are provided between the winding wheel and the guide sleeve.

[0014] Furthermore, the traction rope is provided with a U-shaped buckle for connecting the second grid.

[0015] Furthermore, the first grille and the second grille are provided with a plurality of sets of matching tracks and rollers, and the tracks are in a Z-shaped structure.

[0016] Further, the track is provided with a slope of 3% along the sliding direction of the second grid; and / or

[0017] Stop blocks are provided at both ends of the track.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the first grille is directly laid on the sandwich steel beam, and the pipeline located below can be inspected through the inspection port without moving or cutting the grille, which is more convenient and quick; at the same time, the second grille can slide relative to the first grille so that it can cover the inspection port when not being inspected, and can be placed under the first grille during inspection, so that it is easy to open and close and is not affected by the installation equipment located on the first grille; furthermore, the opening and closing process of the second grille is all pulled by a traction rope, and the traction rope is locked or released by a limit member, so that the second grille can be dragged by the traction rope and the second grille can be prevented from shifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a grille with a movable inspection opening in one embodiment of the utility model;

[0020] Figure 2 It is a structural schematic diagram of a second grille hidden under the first grille in one embodiment of the utility model;

[0021] Figure 3 It is a structural schematic diagram of a second grid and a traction structure in one embodiment of the utility model;

[0022] Figure 4It is a structural schematic diagram of a traction structure in an embodiment of the utility model;

[0023] Figure 5 It is a schematic structural diagram of a position limiting member in one embodiment of the utility model.

[0024] Description of Figure Numbers:

[0025] 1. First grid; 2. Second grid; 3. Winding wheel; 4. Traction rope; 5. Pressing block; 6. Threaded rod; 7. Guide sleeve; 701, Through hole; 8. Wire wheel; 9. Track; 10. Roller.

[0026] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and beneficial effects of the utility model more clear, the technical solution of the utility model is further described below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0028] In the embodiment of the present utility model, Figure 1-Figure 4 As shown, the grille with a movable inspection port comprises a first grille 1, a second grille 2 and a traction structure; the first grille 1 has an inspection port; the second grille 2 is slidably arranged on the first grille 1, and in the horizontal direction, the second grille 2 is slid to close the inspection port, and in the vertical direction, the second grille 2 is slid to be hidden under the first grille 1; the traction structure comprises a winding wheel 3 rotatably arranged on the first grille 1, a traction rope 4 wound on the winding wheel 3 and a limiting member for limiting or releasing the traction rope 4, the traction rope 4 is connected to the second grille 2, and the limiting member is movably arranged on the first grille 1, so that when the limiting member moves to gradually approach the first grille 1, the traction rope 4 is gradually pressed against the first grille 1, and when the limiting member gradually moves away from the first grille 1, the traction rope 4 is gradually released.

[0029] Specifically, in the embodiment of the utility model, the first grid 1 has an inspection port for inspecting the pipelines thereunder. The material of the grid of the inspection port is consistent with the material of the attached first grid 1, and the grid hole size and thickness of the inspection port are consistent with the material of the attached first grid 1; and the inspection port can be flexibly set at any position of the first grid 1, and the first grid 1 with different inspection port positions can also be flexibly selected according to the equipment installation position; at the same time, the size of the inspection port can also be customized according to actual needs. The first grid 1 is directly laid on the sandwich steel beam, and only the direction of the inspection port opening needs to be paid attention to, which is convenient for construction and for inspecting the pipelines thereunder.

[0030] In an embodiment of the utility model, the second grille 2 can slide relative to the first grille 1. When the second grille 2 slides to the horizontal direction, it is convenient to cover the inspection port for use when not under maintenance; when the second grille 2 slides to the vertical direction, it is convenient to open the inspection port, and the second grille 2 at this time is located below the first grille 1 for pipeline maintenance; at the same time, when the inspection port is opened, the second grille 2 gradually slides downward to avoid the equipment located above the first grille 1, so that the installed equipment will not affect its opening and closing; in addition, compared with the grille with a flap inspection port, this grille is easier to open and close, does not take up space, and is convenient for construction.

[0031] In the embodiment of the utility model, the traction structure includes a winding wheel 3, a traction rope 4 and a limiter. The winding wheel 3 is rotatably arranged on the first grille 1, and the traction rope 4 is wound around the winding wheel 3, and one end of the traction rope is connected to the second grille 2; in this way, when the winding wheel 3 is manually or electrically driven forward and reversed, the second grille 2 can be pulled by the traction rope 4 to close or open the inspection port, which is more labor-saving and can also prevent the second grille 2 from shifting; of course, the length of the traction rope 4 should be greater than the long side size of the inspection port; it is advisable to select a traction rope with good durability and tensile strength. On the other hand, in order to position the second grid 2 in the horizontal or vertical direction by fixing the traction rope 4, a limiter is movably arranged at the first grid 1, and the limiter can make a reciprocating movement close to or away from the first grid 1. When the limiter gradually approaches the first grid 1, the traction rope 4 can be gradually pressed against the first grid 1 to limit and lock the traction rope 4; on the contrary, when the limiter gradually moves away from the first grid 1, the traction rope 4 can be gradually released to retract and release the traction rope 4 under the rotation of the winding wheel 3. Of course, the above-mentioned winding wheel 3 and the limiter can be placed in a shell, which is fixed at the first grid 1 to play a protective and dustproof role (wherein, one end of the traction rope 4 passes through the shell and is connected to the second grid 2).

[0032] In this embodiment, the traction rope 4 is retracted and released by the forward and reverse reel, so that the traction rope 4 can pull the second grille 2 to close or open the inspection port; at the same time, the movement of the limiter is used to achieve the locking and release of the traction rope 4, so that the second grille 2 can be fixed by the retracted and released length of the traction rope 4; the construction is more convenient and is not affected by the installed equipment.

[0033] like Figure 5As shown, in one embodiment, the limiting member is a pressing block 5, and the pressing block 5 is slidably arranged on the first grid 1 in the vertical direction. Specifically, in order to lock or release the traction rope 4, the limiting member is defined as a pressing block 5 that slides in the up and down directions in this embodiment, that is, the pressing block 5 can slide back and forth relative to the first grid 1 to gradually approach or gradually move away from the first grid 1, and the traction rope 4 is located between the pressing block 5 and the first grid 1, so that the traction rope 4 is correspondingly pressed or released on the first grid 1 when the pressing block 5 slides. Of course, the shape of the pressing block 5 can be adaptively changed according to the traction rope 4 to increase the contact area between the two and prevent it from falling off naturally when the traction rope 4 is locked.

[0034] Furthermore, in one embodiment, the pressing block 5 is penetrated by a threaded rod 6, and the threaded rod 6 is rotatably arranged on the first grille 1. Specifically, in order to drive the pressing block 5 to slide in the up and down directions, in this embodiment, a threaded rod 6 is rotatably arranged on the first pressing block 5, and the pressing block 5 is disposed on the outer sleeve of the threaded rod 6. External force acts on the threaded rod 6 to make it rotate forward and reverse, so that the pressing block 5 slides up and down. In other embodiments, a handle may be arranged at the end of the threaded rod 6 to facilitate grasping the threaded rod 6.

[0035] Furthermore, in one embodiment, a guide sleeve 7 is disposed on the outer sleeve of the pressing block 5, and the outer surface of the pressing block 5 is slidably fitted with the inner wall of the guide sleeve 7, and the guide sleeve 7 is fixed to the first grid 1. Specifically, in order to improve the stability of the pressing block 5, this embodiment provides a guide sleeve 7 on the outer sleeve of the pressing block 5, and the interior of the guide sleeve 7 is a cavity, which is used to slide and fit with the surface of the pressing block 5, so as to play a guiding role when the pressing block 5 slides. Preferably, the guide sleeve 7 is provided with a through hole 701, which is used to avoid the traction rope 4.

[0036] like Figure 4 As shown, in one embodiment, a plurality of guide wheels 8 are provided between the winding wheel 3 and the guide sleeve 7. Specifically, in order to pull the traction rope 4 from one end extending from the winding wheel 3 into the guide sleeve 7, the guide wheels 8 are provided therebetween. Of course, the position and number of the guide wheels can be flexibly selected and are not limited here.

[0037] The traction rope 4 is provided with a U-shaped buckle (not shown) for connecting the second grille 2. When the inspection port is open, the U-shaped buckle can be placed on the second grille 2 to prevent the traction rope 4 from falling; when the inspection port is closed, the U-shaped buckle is used to fix the second grille 2 on the first grille 1 to prevent the second grille 2 from shifting.

[0038] like Figure 2 , Figure 3As shown, in one embodiment, the first grille 1 and the second grille 2 are provided with a plurality of sets of matching tracks 9 and rollers 10, and the track 9 is in a Z-shaped structure. Specifically, in order to enable the second grille 2 to slide in the horizontal direction and the vertical direction, this embodiment provides a track 9 with a Z-shaped structure below the first grille 1, and a roller 10 is provided on the second grille 2 to slide in the track 9. Under the action of an external force, the roller 10 can be driven to slide in the track 9, so that the second grille 2 can close or open the inspection port, and can be unaffected by the installed equipment when sliding; at the same time, compared with the flap type, it saves more space.

[0039] Furthermore, in one embodiment, the track 9 is provided with a slope of 3% along the sliding direction of the second grille 2 to facilitate opening of the inspection port. Blocks are provided at both ends of the track 9 to prevent the second grille 2 from slipping.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A grille with a movable inspection port, characterized in that: include: a first grille having an access opening; A second grille is slidably disposed on the first grille, so that the second grille is slid horizontally to close the inspection opening, and the second grille is slid vertically to be hidden under the first grille; The traction structure includes a winding wheel rotatably arranged on the first grid, a traction rope wound on the winding wheel, and a limiting member for limiting or releasing the traction rope, wherein the traction rope is connected to the second grid, and the limiting member is movably arranged on the first grid so that the traction rope is gradually pressed against the first grid when the limiting member moves to gradually approach the first grid, and the traction rope is gradually released when the limiting member gradually moves away from the first grid.

2. The grille with a movable inspection opening according to claim 1, characterized in that: The limiting member is a pressing block, and the pressing block is slidably disposed on the first grid in a vertical direction.

3. The grille with a movable inspection opening as claimed in claim 2, characterized in that: A threaded rod passes through the pressing block, and the threaded rod is rotatably arranged on the first grid.

4. The grille with a movable inspection opening according to claim 2, characterized in that: The outer sleeve of the pressing block is provided with a guide sleeve, the outer surface of the pressing block is slidably fitted with the inner wall of the guide sleeve, and the guide sleeve is fixed to the first grid.

5. The grille with a movable inspection opening according to claim 4, characterized in that: The guide sleeve is provided with a through hole for avoiding the traction rope.

6. The grille with a movable inspection opening according to claim 5, characterized in that: A plurality of wire wheels are arranged between the winding wheel and the guide sleeve.

7. The grille with a movable inspection opening according to claim 1, characterized in that: The traction rope is provided with a U-shaped buckle for connecting the second grille.

8. The grille with a movable inspection opening according to claim 1, characterized in that: The first grille and the second grille are provided with a plurality of sets of matching tracks and rollers, and the tracks are in a Z-shaped structure.

9. The grille with a movable inspection opening according to claim 8, characterized in that: The track is provided with a slope of 3% along the sliding direction of the second grid; and / or Stop blocks are provided at both ends of the track.

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