CN213928103U

CN213928103U - Negative pressure control device for transfer window of dust-free room

Info

Publication number: CN213928103U
Application number: CN202022375065.8U
Authority: CN
Inventors: 张康文
Original assignee: Suzhou Mingchi Purification Technology Co ltd
Current assignee: Suzhou Mingchi Purification Technology Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-08-10
Anticipated expiration: 2030-10-22

Abstract

The application discloses a negative pressure control device for a transfer window of a dust-free room, which comprises a box body, a fixing structure and a protection structure, wherein a key area is arranged at the lower part of the front side of the box body; the fixed structure comprises a fixed plate. Through movable plate and threaded rod cooperation, make the installation distance between box and the wall body adjustable, avoid box and wall connection to influence the heat dissipation more closely, and can rotate on the threaded rod through the movable plate, rotate the movable plate to vertical placing, can make the box fixed through the top, the relatively poor problem of radiating effect when having solved current box installation, the practicality of box has been improved, protect according to the key region through the guard plate, avoid according to the key region mistake of taking place when not using and touch, protect according to the key region through the guard plate simultaneously, and through the dead lever, iron plate and magnetic path cooperation, can open the guard plate and fixed after the closure, the problem that does not possess protective structure on the current box has been solved, the service life of box has been improved.

Description

Negative pressure control device for transfer window of dust-free room

Technical Field

The application relates to a negative pressure control device, in particular to a negative pressure control device for a transfer window of a dust-free room.

Background

The clean room passes through the negative pressure setting, avoids the inside air that has the bacterium to directly discharge, guarantees simultaneously that outside fresh air can get into the clean room inside, and the pass-through window can reduce the discrepancy of clean room and outside to prevent contaminated air entering cleaner area and production cross contamination.

Generally, the negative pressure control device of the transfer window is directly fixed between operations, so that the operation of workers is facilitated, but because the existing control device needs to ensure internal heat dissipation when in use, the direct rigid connection is formed on a wall body, the heat dissipation effect of the existing control device can be reduced, and the existing control device is not provided with an auxiliary structure, so that the practicability of the control device is reduced.

When the control device is used, and the front side is not provided with an auxiliary structure, the worker may touch the key by mistake, and the normal use of the transmission window is easily influenced. Therefore, a negative pressure control device for a transfer window of a clean room is provided to solve the above problems.

Disclosure of Invention

A negative pressure control device for a transfer window of a dust-free room comprises a box body, a fixing structure and a protection structure, wherein a key area is arranged at the lower part of the front side of the box body;

the fixing structure comprises a fixing plate, the upper end and the lower end of the rear side of the key area are symmetrically provided with the fixing plate, one end of the fixing plate close to the box body is fixed with a movable plate, threaded rods penetrate through the movable plate, sliding grooves matched with the sliding grooves are formed in the movable plate, and the threaded rods on the outer side of the movable plate are connected with rotating blocks through threaded holes;

protective structure includes the guard plate, be provided with the guard plate according to the district front side, and guard plate one side runs through there is the dead lever, lower extreme all is fixed with the connecting block on the dead lever, and the connecting block rear side all fixes on the box, the guard plate is inside seted up with dead lever complex movable hole, the movable hole inboard is fixed with the iron plate, the symmetry is fixed with the magnetic path on the dead lever surface, the symmetry is fixed with the cushion on keeping away from the box of connecting block one side according to the district.

Further, the distance between the threaded rod and the rear side of the box body is equal to the distance between the threaded rod and the top end of the box body, and two ends of the sliding groove are both arranged in an arc shape matched with the threaded rod.

Furthermore, the threaded rods are all arranged in a transverse T shape, and the length of each threaded rod is greater than the sum of the lengths of the fixed plate and the rotating block.

Furthermore, rubber pads are glued on the moving plates at the upper end and the lower end of the sliding groove, and the diameter height of the rotating block is larger than the height of the sliding groove.

Further, the length of guard plate is greater than the length of pressing the key region, the guard plate both ends all set up to the arc.

Furthermore, the width of the cushion block and the width of the connecting block are both larger than the width of the key area, and the outer end of the magnetic block and the inner end of the iron block are both arc-shaped.

The beneficial effect of this application is: the application provides a dustless room pass-through box negative pressure control device.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic diagram of an embodiment of the present application in elevation;

FIG. 2 is a schematic side view of a portion of one embodiment of the present application;

FIG. 3 is a schematic top view cross-section of a portion of an embodiment of the present application;

fig. 4 is an enlarged schematic view of a structure at a in fig. 1 according to an embodiment of the present application.

In the figure: 1. the box, 2, press the key region, 3, the fixed plate, 4, the movable plate, 5, the threaded rod, 6, the spout, 7, the turning block, 8, the rubber pad, 9, the guard plate, 10, the connecting block, 11, the fixed lever, 12, the cushion, 13, the activity hole, 14, the iron plate, 15, the magnetic path.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-4, a negative pressure control device for a pass-through window of a clean room comprises a box body 1, a fixing structure and a protection structure, wherein a key area 2 is arranged at the lower part of the front side of the box body 1;

the fixing structure comprises a fixing plate 3, the fixing plate 3 is symmetrically arranged at the upper end and the lower end of the rear side of the key area 2, a movable plate 4 is fixed at one end of the fixing plate 3 close to the box body 1, threaded rods 5 penetrate through the inner parts of the movable plate 4, sliding grooves 6 matched with the sliding grooves 6 are formed in the inner parts of the movable plate 4, and rotating blocks 7 are connected to the threaded rods 5 on the outer side of the movable plate 4 through threaded holes;

protective structure includes guard plate 9, be provided with guard plate 9 according to 2 front sides in key zone, and guard plate 9 one side runs through there is dead lever 11, the lower extreme all is fixed with connecting block 10 on the dead lever 11, and connecting block 10 rear side all fixes on box 1, guard plate 9 is inside seted up with dead lever 11 complex movable hole 13, movable hole 13 inboard is fixed with iron plate 14, the symmetry is fixed with magnetic path 15 on the 11 surfaces of dead lever, the symmetry is fixed with cushion 12 on keeping away from box 1 of connecting block 10 one side according to key zone 2.

The distance from the threaded rod 5 to the rear side of the box body 1 is equal to the distance from the threaded rod 5 to the top end of the box body 1, and two ends of the sliding groove 6 are both arranged into arc shapes matched with the threaded rod 5; the threaded rods 5 are all arranged in a transverse T shape, and the length of each threaded rod 5 is greater than the sum of the lengths of the fixed plate 3 and the rotating block 7; rubber pads 8 are glued on the movable plates 4 at the upper end and the lower end of the sliding groove 6, the diameter height of the rotating block 7 is larger than that of the sliding groove 6, and the friction force between the rotating block 7 and the movable plate 4 is increased; the length of the protection plate 9 is greater than that of the key area 2, and both ends of the protection plate 9 are arc-shaped; the widths of the cushion block 12 and the connecting block 10 are larger than that of the key area 2, and the outer ends of the magnetic blocks 15 and the inner ends of the iron blocks 14 are arc-shaped.

When the movable button area 2 is not used, the key area 2 is protected by the protection plate 9, the damage of the key area 2 caused by mistaken touch of a worker or external impact is avoided, when the key area 2 needs to be used, the rear side of the protection plate 9 between the two cushion blocks 12 is pulled, the protection plate 9 is enabled to rotate and open under the matching of the fixed rod 11, and the protection plate 9 drives the iron block 14 to rotate, make the actuation between iron plate 14 and the magnetic path 15 fixed release, when guard plate 9 rotates completely and opens, iron plate 14 rotates to and contacts with another magnetic path 15, it is fixed to make iron plate 14 and another magnetic path 15 actuation once more, thereby open guard plate 9 fixed, the convenience is operated according to button district 2, when need not use according to button district 2, reverse rotation guard plate 9, with guard plate 9 closed back, it is fixed through iron plate 14 and magnetic path 15 actuation, and make guard plate 9 butt again on cushion 12 can.

The application has the advantages that:

1. the utility model discloses simple structure, convenient operation, through movable plate 4 and threaded rod 5 cooperation, make the installation distance between box 1 and the wall body adjustable, avoid box 1 and wall body to be connected nearer influence heat dissipation, and can rotate on threaded rod 5 through movable plate 4, rotate movable plate 4 to vertical the placing, can make box 1 fixed through the top, solved current box 1 when the installation radiating effect is relatively poor problem, improved box 1's practicality;

2. this application is rational in infrastructure, protects according to keypad 2 through guard plate 9, avoids according to keypad 2 the mistake of taking place to touch when not using, protects according to keypad 2 through guard plate 9 simultaneously, and through dead lever 11, iron plate 14 and the cooperation of magnetic path 15, can open guard plate 9 with closed after-fixing, has solved the problem that does not possess protective structure on current box 1, has improved box 1's life.

Since the internal structure of the control device belongs to the prior art, it is not described in this document.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a dustless room pass-through box negative pressure control device which characterized in that: the key box comprises a box body (1), a fixing structure and a protection structure, wherein a key area (2) is arranged at the lower part of the front side of the box body (1);

the fixing structure comprises a fixing plate (3), the fixing plate (3) is symmetrically arranged at the upper end and the lower end of the rear side of the key area (2), a movable plate (4) is fixed at one end, close to the box body (1), of the fixing plate (3), threaded rods (5) penetrate through the inner portion of the movable plate (4), sliding grooves (6) matched with the sliding grooves (6) are formed in the inner portion of the movable plate (4), and rotating blocks (7) are connected to the threaded rods (5) on the outer side of the movable plate (4) through threaded holes;

protective structure includes guard plate (9), be provided with guard plate (9) according to button zone (2) front side, and guard plate (9) one side is run through and is had dead lever (11), the lower extreme all is fixed with connecting block (10) on dead lever (11), and connecting block (10) rear side all fixes on box (1), guard plate (9) inside seted up with dead lever (11) complex movable hole (13), movable hole (13) inboard is fixed with iron plate (14), the symmetry is fixed with magnetic path (15) on dead lever (11) surface, the symmetry is fixed with cushion (12) on box (1) of keeping away from connecting block (10) one side according to button zone (2).

2. The negative pressure control device for the transfer window of the clean room as claimed in claim 1, wherein: the distance between threaded rod (5) and box (1) rear side equals the distance on threaded rod (5) to box (1) top, spout (6) both ends all set up to the arc with threaded rod (5) complex.

3. The negative pressure control device for the transfer window of the clean room as claimed in claim 1, wherein: the threaded rods (5) are all arranged in a T shape in a transverse mode, and the length of each threaded rod (5) is larger than the sum of the lengths of the fixing plate (3) and the rotating block (7).

4. The negative pressure control device for the transfer window of the clean room as claimed in claim 1, wherein: rubber pads (8) are glued on the movable plates (4) at the upper end and the lower end of the sliding groove (6), and the diameter height of the rotating block (7) is larger than the height of the sliding groove (6).

5. The negative pressure control device for the transfer window of the clean room as claimed in claim 1, wherein: the length of guard plate (9) is greater than the length of pressing the key region (2), guard plate (9) both ends all set up to the arc.

6. The negative pressure control device for the transfer window of the clean room as claimed in claim 1, wherein: the width of the cushion block (12) and the width of the connecting block (10) are both larger than the width of the key area (2), and the outer end of the magnetic block (15) and the inner end of the iron block (14) are both arc-shaped.