CN216965725U

CN216965725U - Up-down sliding door height limiting structure

Info

Publication number: CN216965725U
Application number: CN202123134091.2U
Authority: CN
Inventors: 冯为民
Original assignee: Jinhua Rio Tinto Steel Cabinet Co ltd
Current assignee: Jinhua Rio Tinto Steel Cabinet Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-07-15
Anticipated expiration: 2031-12-14

Abstract

The utility model relates to a height limiting structure of an up-down moving door, which comprises a fume hood body, wherein the front side of the fume hood body is provided with a moving door frame, the inner side surface of the moving door frame is provided with a limiting block in a threaded manner, the interior of the fume hood body is movably provided with a moving door corresponding to the moving door frame, the bottom of the moving door is provided with a limiting mechanism, the limiting mechanism comprises an installation plate fixedly installed at the bottom of the moving door, the front side of the installation plate is fixedly provided with an adjusting seat, and the front side of the adjusting seat is slidably provided with a button which penetrates and extends to the outside of the adjusting seat. This upper and lower limit for height structure that moves door through setting up the normality down the fixed shelves pole cooperation stopper of extending, can be convenient for inject the extreme position that moves a movable, mutually supports through setting up button, reed and movable sleeve, realizes the regulation and control of stretching out and drawing back to the shelves pole for this structure convenient to use operation, simple structure are reasonable, have actual practical meaning.

Description

Up-down sliding door height limiting structure

Technical Field

The utility model relates to the technical field of fume hoods, in particular to a height limiting structure of an up-down sliding door.

Background

The cabinet type exhaust hood is commonly called as a ventilation hood, is similar to a closed hood, a small part paint spraying cabinet and a chemical laboratory ventilation hood are typical structures of the cabinet type exhaust hood, one side surface of a large-scale chamber type ventilation hood is completely open, an operator works in the cabinet, the large-scale chamber type ventilation hood is mainly used for large part paint spraying, powder bagging and the like, a working opening of the ventilation hood has great influence on air flow distribution in the cabinet, and the air flow distribution directly influences the working effect of the cabinet type exhaust hood.

The fume chamber can be to the toxicity that experimental pilot scale produced, harmful gas extracts, at the in-process of realizing this application, the inventor discovers above-mentioned technical scheme and has following technical problem at least, because the working hole of fume chamber influences greatly to the air current distribution in the cabinet, consequently there is a safety interval in the scope of opening and shutting of fume chamber door, can guarantee the air current normal circulation of the cabinet of airing exhaust, and after exceeding the limit height, the outer air of vent department can produce the backward flow phenomenon, influence the normal work of the cabinet of airing exhaust, be difficult to carry out the control to the position of opening and shutting in the use, surpass the restriction height of opening and shutting easily, to this provide one kind and move door limit height structure from top to bottom, solve the above-mentioned problem that provides.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a height limiting structure for an up-down sliding door, which has the advantages of effectively limiting the limit position of the sliding door and the like, and solves the problems that the limit position of the sliding door is difficult to open and close and air is easy to flow back when a ventilation cabinet is actually used.

In order to achieve the purpose, the utility model provides the following technical scheme: a height limiting structure for an up-and-down sliding door comprises a fume hood body, wherein a sliding door frame is arranged on the front side of the fume hood body, a limiting block is arranged on the inner side surface of the sliding door frame in a threaded mode, the inside of the fume hood body is movably provided with the sliding door corresponding to the sliding door frame, and the bottom of the sliding door is provided with a limiting mechanism;

stop gear includes that fixed mounting moves the mounting panel of door bottom, the positive fixed mounting of mounting panel has the regulation seat, the positive slidable mounting who adjusts the seat has to run through and extends to the outside button of regulation seat, still fixed mounting has first spring between the inner wall of button and regulation seat, the outside of button is provided with the reed, slidable mounting has the movable sleeve that closes in the reed on the regulation seat, be provided with a grade pole on the movable sleeve.

Furthermore, the limiting block is in a right trapezoid shape, one side of the inclined surface of the limiting block faces the sliding door and is located above the limiting block, and the inclination is fifteen degrees.

Further, fixed mounting has the stopper that quantity is two on the inner wall of adjusting the seat, and the transversal type of personally submitting of button, and button and two the stopper is closed each other to.

Further, the inside of adjusting the seat is fixed mounting still has the guide bar, the equal fixed mounting in the left and right sides that the button is located the regulation seat has the sliding sleeve, sliding sleeve sliding connection in the guide bar.

Furthermore, the outside fixed mounting of movable sleeve has the engaging lug, fixed mounting has the second spring between the inner wall of engaging lug regulation seat.

Further, the equal fixed mounting in front both ends of mounting panel has the seat of stabilizing, stabilize the seat sliding connection in the grade pole, the inside fixed mounting of the seat of stabilizing has the spacing ring, spacing ring sliding connection in the grade pole.

Furthermore, a protection cylinder positioned outside the gear rod is fixedly arranged between the stabilizing seat and the adjusting seat.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this limit for height structure moves from top to bottom through setting up the normality down the fixed shelves pole cooperation stopper of epitaxy, can be convenient for inject the extreme position that moves the door activity, mutually supports through setting up button, reed and movable sleeve, realizes the regulation and control of stretching out and drawing back to the shelves pole for this structure convenient to use operation, simple structure are reasonable, have practical meaning.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a schematic bottom view of the limiting mechanism of the present invention.

In the figure: the novel ventilating cabinet comprises a ventilating cabinet body 1, a moving door frame 2, a moving door 3, a limiting block 4, a mounting plate 5, an adjusting seat 6, a button 7, a stop dog 8, a first spring 9, a guide rod 10, a sliding sleeve 11, a reed 12, a movable sleeve 13, a connecting lug 14, a second spring 15, a stop rod 16, a stabilizing seat 17, a limiting ring 18 and a protecting cylinder 19.

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.

Please refer to fig. 1-2, a height limiting structure of a vertical sliding door in this embodiment includes a fume hood body 1, a door frame 2 is welded on the front side of the fume hood body 1, a sliding door 3 corresponding to the door frame 2 is installed inside the fume hood body 1 in a sliding manner, the sliding door 3 can slide relative to the fume hood body 1, and can realize hovering through sliding friction between the sliding door 3 and the fume hood body 1, the door frame 2 can realize opening and closing of a vent of the fume hood body 1 in a matching manner, a limiting block 4 is installed on the inner side surface of the door frame 2 in a threaded manner, and a limiting mechanism matching the limiting block 4 is arranged at the bottom of the sliding door 3.

It should be explained that stopper 4 is right angle trapezoidal form, and the right angle side is connected through the bolt with moving between the door frame 2 to 4 installation supports of stopper are provided, and the inclined plane one side of stopper 4 moves door 3 towards and is located the top of stopper 4, and the gradient is fifteen degrees, and the inclined plane can be through providing the activity space, thereby supplementary stop gear removes the restriction and passes through fast, thereby reduces and uses stop gear and to the loss that the spacing machine constructed, improves the complex flexibility.

In this embodiment, stop gear includes fixed mounting and moves mounting panel 5 of 3 bottoms in the door, mounting panel 5 is used for connecting and moves door 3, and provide stop gear installation basis, mounting panel 5's positive fixed mounting has regulation seat 6, the positive slidable mounting who adjusts seat 6 has the button 7 that runs through to extend to regulation seat 6 outside, adjust the inside cavity of seat 6, fixed mounting has the dog 8 that quantity is two on the inner wall of regulation seat 6, button 7's transversal type of personally submitting is protruding style of calligraphy, and button 7 and two dog 8 are supported each other and are closed, thereby the realization is injectd button 7's home range, it has first spring 9 still to fixed mounting between button 7 and the inner wall of regulation seat 6, first spring 9 promotes button 7 and slides towards the outside of adjusting seat 6, make button 7 can realize the automatic re-setting after pressing.

It should be noted that, there is a guide bar 10 inside the adjusting seat 6, sliding sleeves 11 are fixedly installed on both left and right sides of the button 7 in the adjusting seat 6, the sliding sleeves 11 are slidably connected to the guide bar 10, and through the relative sliding connection between the guide bar 10 and the sliding sleeves 11, sliding guidance of the button 7 can be provided, so that the moving track of the button 7 is fixed, thereby avoiding sliding deviation, a reed 12 is fixedly installed on a side surface of the sliding sleeve 11 away from the button 7, and the elastic force resetting direction of the reed 12 faces to a side below away from the button 7.

In order to limit the sliding door 3 which slides downwards, the left side and the right side of the adjusting seat 6 in the embodiment are provided with movable sleeves 13 in a sliding manner, the outer parts of the movable sleeves 13 are fixedly provided with connecting lugs 14, second springs 15 are fixedly arranged between the inner walls of the adjusting seats 6 of the connecting lugs 14, the second springs 15 push the movable sleeves 13 to approach towards the inner parts of the adjusting seats 6, the connecting lugs 14 are used for providing a connecting base for the second springs 15, one ends of the movable sleeves 13 facing towards the inner parts of the adjusting seats 6 are arc-shaped, the movable sleeves 13 are abutted against the reed 12, the arc-shaped movable sleeves 13 can better adapt to the abutting state between the reed 12, the abutting state can still be realized after the angle of the reed 12 is changed, meanwhile, the second springs 15 can be extruded to slide towards the outer parts of the adjusting seats 6 under the elastic force of the reed 12, one ends of the movable sleeves 13 far away from the adjusting seats 6 are fixedly provided with stop rods 16 extending to the outer parts of the adjusting seats 6, the stop lever 16 abuts against the limit block 4, so as to limit the lifting limit position of the sliding door 3.

In this embodiment, the equal fixed mounting in front both ends of mounting panel 5 has stabilizing seat 17, stabilizing seat 17's inside fixed mounting has spacing ring 18, spacing ring 18 sliding connection is in shelves pole 16, wherein stabilizing seat 17 sliding connection is in shelves pole 16, be used for stabilizing the shelves pole 16 that extends to the regulation seat 6 outside, avoid shelves pole 16 the condition that the skew appears, spacing ring 18 is the flexible cover, can reduce the damage that shelves pole 16 struck stopper 4 and received along with sliding door 3 slip back, thereby improve the life of device, simultaneously stabilizing seat 17 and adjusting between the seat 6 fixed mounting have be located the outside protective barrel 19 of shelves pole 16, protective barrel 19 can be when the hoisting device is pleasing to the eye, carry out certain protection to shelves pole 16.

The working principle of the above embodiment is as follows:

before use, the sliding door 3 positioned at the top end is pulled down to close the ventilation opening, when the stop levers 16 extending to the left side and the right side slide to the upper side of the limit block 4, the button 7 is lightly pressed to enable the button 7 to extrude the first spring 9, meanwhile, the button 7 drives the sliding sleeve 11 to slide along the guide rod 10, the reed 12 is further pulled to slide towards the rear side wall of the adjusting seat 6, at the moment, the reed 12 reduces extrusion acting force on the movable sleeve 13 under sliding, the movable sleeve 13 slides towards the inner part of the adjusting seat 6 under the action of the elastic force of the second spring 15, the stop lever 16 is further pulled to retract towards the adjusting seat 6 through the movable sleeve 13, at the moment, the extending position of the stop lever 16 deviates from the extending position of the limit block 4, the sliding door 3 can be further slid to the lower side of the limit block 4, in the process of using the ventilation cabinet, after the sliding door 3 slides upwards, the stop lever 16 extending outwards and the horizontal plane of the limit block 4 in a right-angle ladder shape can be mutually abutted, therefore, the limit position limitation of the sliding door 3 is completed, after the sliding door is used, when the sliding door 3 needs to be opened, the stop lever 16 can be retracted to release the limit position only by pressing the button 7 again, and the traction of the sliding door 3 is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a limit for height structure moves from top to bottom, includes fume chamber body (1), its characterized in that: a moving door frame (2) is arranged on the front surface of the fume hood body (1), a limiting block (4) is installed on the inner side surface of the moving door frame (2) in a threaded mode, a moving door (3) corresponding to the moving door frame (2) is movably installed inside the fume hood body (1), and a limiting mechanism is arranged at the bottom of the moving door (3);

stop gear includes mounting panel (5) of fixed mounting in sliding door (3) bottom, the positive fixed mounting of mounting panel (5) has regulation seat (6), the positive slidable mounting who adjusts seat (6) has the button (7) of running through and extending to regulation seat (6) outside, button (7) and the inner wall of adjusting seat (6) between still fixed mounting have first spring (9), the outside of button (7) is provided with reed (12), slidable mounting has movable sleeve (13) of fitting reed (12) on regulation seat (6), be provided with shelves pole (16) on movable sleeve (13).

2. The up-and-down sliding door height limiting structure according to claim 1, wherein: the limiting block (4) is in a right-angle trapezoid shape, one side of the inclined plane of the limiting block (4) faces the sliding door (3) and is located above the limiting block (4), and the inclination is fifteen degrees.

3. The up-down sliding door height limiting structure according to claim 1, wherein: the inner wall of the adjusting seat (6) is fixedly provided with two stop blocks (8), the cross section of the button (7) is in a convex shape, and the button (7) and the two stop blocks (8) are mutually abutted.

4. The up-down sliding door height limiting structure according to claim 1, wherein: the inside of adjusting seat (6) still fixed mounting have guide bar (10), the equal fixed mounting in the left and right sides that button (7) are located adjusting seat (6) has sliding sleeve (11), sliding sleeve (11) sliding connection in guide bar (10).

5. The up-down sliding door height limiting structure according to claim 1, wherein: the outside fixed mounting of movable sleeve (13) has engaging lug (14), fixed mounting has second spring (15) between the inner wall of engaging lug (14) regulation seat (6).

6. The up-down sliding door height limiting structure according to claim 1, wherein: the equal fixed mounting in front both ends of mounting panel (5) has stable seat (17), stable seat (17) sliding connection in shelves pole (16), the inside fixed mounting of stable seat (17) has spacing ring (18), spacing ring (18) sliding connection in shelves pole (16).

7. The up-down sliding door height limiting structure according to claim 6, wherein: a protective cylinder (19) positioned outside the stop rod (16) is fixedly arranged between the stabilizing seat (17) and the adjusting seat (6).