CN215765677U

CN215765677U - Opening structure capable of controlling closing

Info

Publication number: CN215765677U
Application number: CN202122397513.9U
Authority: CN
Inventors: 何伟; 胡晓晴
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-08
Anticipated expiration: 2031-09-30

Abstract

The application relates to the technical field of opening structure control, in particular to a controllable closed opening structure, which comprises a front cover, a moving plate and a rear shell; the front cover is connected with the rear shell; the front cover and the rear shell are provided with corresponding through holes; the front cover and the rear shell jointly form a movable space; the activity space is provided with an activity opening; the moving plate is arranged in the moving space in a sliding way through the moving opening; the covering area of the moving plate is larger than the opening area of the through opening; the moving plate is provided with a rack; a driving motor is arranged on the front cover or the rear shell; the output shaft of the driving motor is provided with a gear which is in meshing transmission connection with the rack. The technical problem that the opening degree of the opening structure cannot be well controlled in the prior art is effectively solved.

Description

Opening structure capable of controlling closing

Technical Field

The application relates to the technical field of opening structure control, in particular to a controllable closed opening structure.

Background

In order to ensure the ventilation performance of both the air inlet and outlet chambers of the ventilation equipment and the closed space (such as a positive and negative pressure ward) in which the ventilation equipment needs to be arranged, ventilation openings which are externally connected need to be arranged. Furthermore, in order to adapt to the change of environment or create the required environment, the opening structure is often provided with a function of being able to be closed and opened. Common open structure often opens through the manual work, and the degree of opening and shutting of open structure can't be controlled well, is unfavorable for controlling open structure's area of ventilation more meticulously, can not satisfy the multi-functional regulation demand in airtight space.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide a controllable opening structure, which effectively solves the technical problem in the prior art that the opening degree of the opening structure cannot be well controlled.

In order to achieve the purpose, the application provides the following technical scheme:

a controllable closed opening structure comprises a front cover, a motion plate and a rear shell;

the front cover is connected with the rear shell;

the front cover and the rear shell are provided with corresponding through openings;

the front cover and the rear shell jointly form a movable space;

the movable space is provided with a movable opening;

the motion plate is slidably mounted in the motion space through the motion port;

the covering area of the moving plate is larger than the opening area of the through opening;

the moving plate is provided with a rack;

a driving motor is arranged on the front cover or the rear shell;

and an output shaft of the driving motor is provided with a gear which is in meshed transmission connection with the rack.

Preferably, in the above opening structure, the moving plate is provided with a first protruding structure and a second protruding structure;

a first microswitch and a second microswitch are arranged on the front cover or the rear shell;

the first microswitch is positioned on a motion path of the first protruding structure;

the second microswitch is positioned on the motion path of the second protruding structure.

Preferably, in the above opening structure, the moving plate is provided with a first microswitch and a second microswitch;

the front cover or the rear shell is provided with a first protruding structure and a second protruding structure;

the first protruding structure is positioned on a motion path of the first microswitch;

the second protruding structure is located on a motion path of the second microswitch.

Preferably, in the above opening structure, when the moving plate completely blocks two through openings, the first protrusion structure touches and activates the first microswitch;

when the two through openings are completely communicated, the second protruding structure touches and starts the second micro switch.

Preferably, in the above opening structure, a first limiting structure is provided on the moving plate;

a second limiting structure is arranged on the front cover or the rear shell;

the second limiting structure is positioned on the motion path of the first limiting structure.

Preferably, in the above opening structure, a contact surface of the moving plate and the front cover is provided with a protruding rib or a protruding point;

and the contact surface of the motion plate and the rear shell is provided with raised ribs and/or salient points.

Preferably, in the above opening structure, a contact surface of the front cover and the moving plate is provided with a protruding rib and/or a protruding point;

and the contact surface of the rear shell and the motion plate is provided with raised ribs and/or salient points.

Preferably, in the above opening structure, the through opening of the front cover and the through opening of the rear case are both the same in shape and size.

Preferably, in the above opening structure, the front cover and the rear cover are connected by a fastener and/or a snap.

Preferably, in the above opening structure, the moving plate, the rack, and the pinion are made of POM material.

Compared with the prior art, the beneficial effects of this application are:

the application provides a steerable closed open structure, when using, it is rotatory to drive the gear through driving motor's output shaft, and connect the design through gear and rack toothing transmission, can turn into the rotary motion of gear into the linear motion of rack, thereby drive the motion board and move in the activity space, and the movement distance that the number of turns through the gear can control the rack well, and then the control motion board shelters from the area of two openings according to required corresponding, thereby reach the effect of the degree of opening of control open structure, the technical problem that the degree of opening of the open structure can't be controlled well to exist among the prior art has been solved effectively.

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, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a disassembled perspective view of a controllably closable opening mechanism provided in accordance with an embodiment of the present application;

FIG. 2 is a disassembled front view of a controllably closable opening mechanism provided in accordance with an embodiment of the present application;

FIG. 3 is a disassembled rear view of a controllably closable opening mechanism according to an embodiment of the present application;

FIG. 4 is an enlarged view of a first position-limiting structure of a controllably closable opening structure according to an embodiment of the present disclosure;

FIG. 5 is an enlarged view of a second position-limiting structure of a controllably closable opening structure according to an embodiment of the present disclosure;

FIG. 6 is an elevational view of a controllably closable opening arrangement fully closed as provided by an embodiment of the present application;

FIG. 7 is a rear view of a controllably closable opening mechanism as fully closed according to an embodiment of the present application;

FIG. 8 is a front view of a controllably closable opening mechanism as provided in an embodiment of the present application;

FIG. 9 is a rear view of a controllably closable opening mechanism shown fully open according to an embodiment of the present application;

FIG. 10 is a front view of a controllably closable opening mechanism in a semi-open position according to an embodiment of the present application;

fig. 11 is a rear view of a controllably closable opening mechanism in a semi-open position according to an embodiment of the present application.

In the figure:

the structure comprises a front cover 1, a motion plate 2, a rear shell 3, a through hole 4, a movable opening 5, a driving motor 6, a gear 7, a rack 8, a first protruding structure 9, a second protruding structure 10, a first microswitch 11, a second microswitch 12, a first limiting structure 13, a second limiting structure 14, a salient point 15, a protruding rib 16, a fastener 17 and a fastener 18.

Detailed Description

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 a part of the embodiments of the present application, 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 application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

In order to ensure the ventilation performance of both the air inlet and outlet chambers of the ventilation equipment and the closed space (such as a positive and negative pressure ward) in which the ventilation equipment needs to be arranged, ventilation openings which are externally connected need to be arranged. Furthermore, in order to adapt to the change of environment or create the required environment, the opening structure is often provided with a function of being able to be closed and opened. Common open structure often opens through the manual work, and the degree of opening and shutting of open structure can't be controlled well, is unfavorable for controlling open structure's area of ventilation more meticulously, can not satisfy the multi-functional regulation demand in airtight space. The embodiment provides a controllable closed opening structure, and effectively solves the technical problem that the opening degree of the opening structure cannot be well controlled in the prior art.

Referring to fig. 1 to 11, an embodiment of the present application provides a controllable opening structure, which includes a front cover 1, a moving plate 2, and a rear housing 3; the front cover 1 is connected with the rear shell 3; the front cover 1 and the rear shell 3 are provided with corresponding through holes 4; the front cover 1 and the rear shell 3 jointly form a movable space; the activity space is provided with an activity opening 5; the moving plate 2 is slidably arranged in the moving space through a moving opening 5; the covering area of the moving plate 2 is larger than the opening area of the through opening 4; the moving plate 2 is provided with a rack 8; the front cover 1 or the rear shell 3 is provided with a driving motor 6; the output shaft of the driving motor 6 is provided with a gear 7 which is engaged and connected with a rack 8 in a transmission way.

More specifically, the through hole 4 is a through hole penetrating through the front and back surfaces of the front cover 1 or the front and back surfaces of the rear case 3; the movable port 5 is a plug port for inserting the movable space 2, and the movable space 2 cannot be separated from the other direction; the length direction of the rack 8 is the same as the opening direction of the movable opening 5; the rack 8 is preferably arranged on the back surface of the moving plate 2, and the driving motor 6 is preferably arranged on the rear shell 3, so that the driving motor 6 and the rack 8 are hidden inside, and the condition that workers touch and are injured by mistake is avoided.

This embodiment is when using, it is rotatory that the output shaft through driving motor 6 drives gear 7, and through gear 7 and the design of being connected of 8 meshing transmissions of rack, can turn into the rotary motion of gear 7 the linear motion of rack 8, thereby drive motion board 2 and move in the activity space, and the movement distance of rack 8 can be controlled well through the number of turns of rotation of gear 7, and then control motion board 2 shelters from the area of two openings 4 according to required correspondence, thereby reach the effect of the degree of opening of control open structure, the technical problem that exists the degree of opening of unable control open structure well among the prior art has been solved effectively.

Further, in the present embodiment, the moving plate 2 is provided with a first projection structure 9 and a second projection structure 10; a first microswitch 11 and a second microswitch 12 are arranged on the front cover 1 or the rear shell 3; the first microswitch 11 is positioned on the movement path of the first convex structure 9; the second microswitch 12 is located in the path of movement of the second projection arrangement 10. The first protruding structure 9 and the second protruding structure 10 are driven to move through the movement of the moving plate 2, so that the first protruding structure 9 can be touched with the first microswitch 11 at a required position, the second protruding structure 10 can be touched with the second microswitch 12 at another required position, and the first microswitch 11 or the second microswitch 12 is triggered, and the effect of testing and recording the rotation condition of the motor shaft is achieved.

More specifically, when the moving plate 2 is completely located in the moving space, the first projection structure 9 is closer to the moving port 5 than the second projection structure 10, and the first projection structure 9 and the second projection structure 10 may be located on both sides of the rack bar 8, respectively.

Further, in the present embodiment, the moving plate 2 is provided with a first microswitch 11 and a second microswitch 12; the front cover 1 or the rear shell 3 is provided with a first convex structure 9 and a second convex structure 10; the first protruding structure 9 is located on the motion path of the first microswitch 11; the second projecting structure 10 is located in the path of movement of the second microswitch 12. The first microswitch 11 and the second microswitch 12 are driven to move through the movement of the movement plate 2, so that the first microswitch 11 can be touched with the first protruding structure 9 at a required position, the second microswitch 12 can be touched with the second protruding structure 10 at another required position, and then the first microswitch 11 or the second microswitch 12 is triggered, and the effect of testing and recording the rotation condition of the motor shaft is achieved.

More specifically, when the moving plate 2 is completely located in the moving space, the first microswitch 11 is closer to the moving port 5 than the second microswitch 12, and the first microswitch 11 and the second microswitch 12 may be located on both sides of the rack bar 8, respectively.

Further, in the present embodiment, when the moving plate 2 completely blocks the two through holes 4, the first protrusion structure 9 touches and activates the first microswitch 11; when the two through holes 4 are completely communicated, the second convex structure 10 touches and activates the second microswitch 12. Under the stroke that can record these two kinds of states through first micro-gap switch 11 and second micro-gap switch 12, the number of turns of motor shaft rotation, use this number of turns as the benchmark again, according to percentage control motor shaft rotation, just can realize controlling the open size of open, reach the mesh of the degree of opening of accurate control opening structure.

More specifically, since the first and second micro switches 11 and 12 in the motion state may be triggered by mistake, it is preferable that the first and second micro switches 11 and 12 are disposed on the rear case 3 or the front cover 1, and the first and

second protrusion structures

9 and 10 are disposed on the motion plate 2.

Further, in the present embodiment, please refer to fig. 1-5, the moving plate 2 is provided with a first limiting structure 13; a second limiting structure 14 is arranged on the front cover 1 or the rear shell 3; the second limit structure 14 is located on the moving path of the first limit structure 13. Can play the effect that blocks first limit structure 13 and continue the motion through second limit structure 14, prevent that the excessive motion of motion board 2 from breaking away from in the activity space that backshell 3 and protecgulum 1 formed, be favorable to restricting the motion range of motion board 2, guarantee that open structure can be carried out the switching by repetitive control, satisfy airtight space's multi-functional regulation demand.

More specifically, referring to fig. 4, the first limiting structure 13 includes a horizontal plate and a vertical plate which are vertically connected; referring to fig. 5, the second limiting structure 14 includes a horizontal plate and a vertical plate which are vertically connected, when the horizontal plate is located in the motion path of the transverse plate, the horizontal plate can block the transverse plate from continuing to move outward, the vertical plate can reinforce the strength of the transverse plate, and the vertical plate can reinforce the strength of the horizontal plate, so as to ensure that the transverse plate and the horizontal plate can bear the impact of collision therebetween.

Further, in the present embodiment, the contact surface of the moving plate 2 and the front cover 1 is provided with a protruding rib 16 and/or a protruding point 15; the contact surface of the motion plate 2 and the rear shell 3 is provided with a raised rib 16 and/or a raised point 15. The surface-to-surface sliding contact between the moving plate 2 and the front cover 1 or the rear shell 3 can be converted into surface-to-line or point sliding contact through the arrangement of the raised ribs 16 and the salient points 15, so that the contact area can be effectively reduced, the moving plate 2 can slide on the surface of the rear shell 3 or the front cover 1 more easily, the movement of the moving plate 2 can be ensured to be smoother, and the control of the opening structure has good reaction efficiency.

More specifically, referring to fig. 4, the protruding point 15 is a protrusion formed by bending and protruding an edge of the moving plate 2, an edge of the front cover 1, or an edge of the rear case 3; the protruding ribs 16 are specifically bar-shaped structures protruding from the surface of the moving plate 2, the surface of the front cover 1, or the surface of the rear case 3.

Further, in the present embodiment, a protruding rib 16 and/or a protruding point 15 are provided on the contact surface of the front cover 1 and the moving plate 2; the contact surface of the rear shell 3 and the motion plate 2 is provided with a raised rib 16 and/or a raised point 15. This arrangement can convert the surface-to-surface sliding contact between the moving plate 2 and the front cover 1 or the rear case 3 into line-to-line, line-to-point, or point-to-point sliding contact, and can further reduce the contact area, so that the moving plate 2 can more easily slide on the surface of the rear case 3 or the front cover 1.

Further, in the present embodiment, the through opening 4 of the front cover 1 and the through opening 4 of the rear case 3 are the same in shape and size. This arrangement ensures that the ventilation direction and the ventilation area of the front cover 1 and the rear case 3 are substantially the same, so that air can pass through the opening structure more smoothly and without hindrance.

Further, in the present embodiment, the front cover 1 and the rear case 3 are connected by the fastener 17 and/or the snap 18. The fasteners 17 are specifically arranged on connecting columns on the front cover 1 and the rear shell 3, and are connected with the connecting columns on the front cover 1 and the connecting columns on the rear shell 3 through bolts, so that the purpose of fixedly connecting the front cover 1 and the rear shell 3 is achieved; the fastener 18 can fixedly connect the front cover 1 and the rear shell 3 together by means of snap fastening. Both the fastening member 17 and the fastener 18 ensure the stability of the connection between the front cover 1 and the rear case 3, and also ensure the detachability between the front cover 1 and the rear case 3.

Further, in the present embodiment, the moving plate 2, the rack 8, and the pinion 7 are all made of POM material (polyoxymethylene resin). The POM material has good physical, mechanical and chemical properties, especially excellent friction resistance, so that the moving plate 2, the rack 8 and the gear 7 made of the POM material can effectively reduce friction, so that the moving plate 2 moves more smoothly, and the opening structure is better controlled to be closed or opened.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A controllable closed opening structure is characterized by comprising a front cover, a moving plate and a rear shell;

the front cover is connected with the rear shell;

the front cover and the rear shell jointly form a movable space;

the movable space is provided with a movable opening;

the moving plate is provided with a rack;

a driving motor is arranged on the front cover or the rear shell;

2. The opening structure according to claim 1, wherein the moving plate is provided with a first projection structure and a second projection structure;

3. The hatch frame according to claim 1, characterized in that said moving plate is provided with a first microswitch and a second microswitch;

4. The opening structure of claim 2 or 3, wherein when the moving plate completely blocks two of the through openings, the first protrusion structure touches and activates the first micro switch;

5. The hatch frame according to claim 1, characterized in that the moving plate is provided with a first limit structure;

a second limiting structure is arranged on the front cover or the rear shell;

6. The opening structure of claim 1, wherein the contact surface of the moving plate and the front cover is provided with a raised rib and/or a raised point;

7. The opening structure according to claim 6, wherein a contact surface of the front cover and the moving plate is provided with a raised rib and/or a raised point;

8. The opening structure of claim 1, wherein the through opening of the front cover and the through opening of the rear case are the same size and shape.

9. The hatch frame according to claim 1, characterized in that the front cover and the rear cover are connected by means of fasteners and/or snaps.

10. The hatch frame according to claim 1, characterized in that the moving plate, the rack and the pinion are all made of POM material.