CN212271873U

CN212271873U - Safe threshold single leaf protective airtight door that lives

Info

Publication number: CN212271873U
Application number: CN202020692091.0U
Authority: CN
Inventors: 孟凡海
Original assignee: Beijing Ocean Ventilation & Air Conditioning Co ltd
Current assignee: Beijing Ocean Ventilation & Air Conditioning Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-01-01
Anticipated expiration: 2030-04-29

Abstract

The utility model provides a safe threshold single leaf protective airtight door that lives, include: the door plate comprises a door plate body, a front door plate, a rear door plate, a clamping frame, an observation window, a rotating shaft, a hand wheel, a gear, a telescopic rod, a rack, a mounting seat, a damper, a first telescopic rod, a second telescopic rod, a third telescopic rod and a fourth telescopic rod; the door plate body consists of a front door plate, a rear door plate and a clamping frame; the front door plate is fixed at the front end of the clamping frame through bolts, and the rear door plate is fixed at the rear end of the front door plate through bolts; an observation window is embedded in the left side of the top of the front door plate and is fixed with the front door plate through bolts; an observation window is also embedded in the left side of the top of the rear door plate, and the observation window is fixed with the rear door plate through bolts; the observation window arranged on the front door plate and the observation window arranged on the rear door plate are symmetrical in the front and back directions; the utility model has the advantages of it is rational in infrastructure, synchronous flexible, easy operation is convenient, is convenient for observe, is convenient for insert comparatively practical to effectual solution the utility model provides a problem and not enough.

Description

Safe threshold single leaf protective airtight door that lives

Technical Field

The utility model relates to a protective airtight door technical field, more specifically the theory that says so especially relates to a safe threshold single leaf protective airtight door that lives.

Background

The single protective airtight door of general reinforced concrete running door threshold buffering anticollision's effect is relatively poor, does not have the connection fixing device except that the link for the structure is stable inadequately, and is too single with the structure of wall body swing joint department.

In view of the above, utility model patent publication (publication) no: CN209384967U discloses a reinforced concrete threshold list fan protective airtight door, including wall body and door plant, the inside fixed mounting of wall body has the door frame, the inboard fixed lower seat piece that is provided with of lower extreme of door frame, the installation piece passes through threaded connection and installs the surface at the wall body, the surface welded connection of installation piece has the metal block, the surface swing joint of connecting axle is provided with the sleeve, the middle left and right sides of metal block all reserves and is provided with the slotted hole, door plant welded connection is at telescopic surface, the middle left and right sides of door plant all is provided with the handle, pivot through connection is at the left and right sides surface of door plant, the outside of toothed disc is provided with the telescopic link, the lower extreme fixedly connected with protruding slat board of door plant. This reinforced concrete threshold single leaf protective airtight door alive, the effect of buffering anticollision is better, all is provided with at last lower extreme and connects fixing device for the structure is more stable, and is comparatively stable with the structure of wall body swing joint department.

The single-leaf protective airtight door with the safe movable threshold has the following defects in the actual use process:

the first and second telescopic rods need to be independently telescopic, which is complicated.

And (II) the door panel is not provided with an observation window, so that the conditions in front of and behind the door are not convenient to observe.

In view of this, research and improvement are carried out to solve the existing problems, and a single-leaf protective airtight door of a safe movable door threshold is provided, aiming at achieving the purposes of solving the problems and improving the practical value through the technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe threshold single leaf protective airtight door that lives to two telescopic links that propose need carry out solitary flexible operation in solving above-mentioned background, comparatively loaded down with trivial details, and do not establish the observation window on the door plant, be not convenient for observe the problem and not enough of the condition behind the door before the door.

In order to achieve the above object, the utility model provides a safe threshold single leaf protective airtight door that lives reaches by following specific technological means:

the utility model provides a safe threshold single leaf protective airtight door that lives, includes: the door plate comprises a door plate body, a front door plate, a rear door plate, a clamping frame, an observation window, a rotating shaft, a hand wheel, a gear, a telescopic rod, a rack, a mounting seat, a damper, a first telescopic rod, a second telescopic rod, a third telescopic rod and a fourth telescopic rod; the door plate body consists of a front door plate, a rear door plate and a clamping frame; the front door plate is fixed at the front end of the clamping frame through bolts, and the rear door plate is fixed at the rear end of the front door plate through bolts; an observation window is embedded in the left side of the top of the front door plate and is fixed with the front door plate through bolts; an observation window is also embedded in the left side of the top of the rear door plate, and the observation window is fixed with the rear door plate through bolts; the observation window arranged on the front door plate and the observation window arranged on the rear door plate are symmetrical in the front and back directions; a rotating shaft penetrates through the middle position of the door plate body from front to back, the front end of the rotating shaft is rotatably connected with the front door plate through a bearing seat, and the rear end of the rotating shaft is rotatably connected with the rear door plate through the bearing seat; hand wheels are connected to the front end and the rear end of the rotating shaft in a key connection mode, and the hand wheels are fixed with the rotating shaft through bolts; the middle part of the rotating shaft is in key connection with a gear, and the gear is in clearance fit between the front door plate and the rear door plate; four telescopic rods are arranged around the gear and are arranged in a # shape; racks are arranged at one ends of the four telescopic rods, which are close to the gear, and the racks are meshed with the gear; the two ends of the four telescopic rods are sleeved with mounting seats, and the mounting seats are in clearance fit between the front door plate and the rear door plate; the front end of the mounting seat is connected with the telescopic rod in a sliding manner, and the rear end of the mounting seat is fixed with the rear door plate through bolts; the first telescopic rod is horizontally arranged, and the right end of the first telescopic rod penetrates through the clamping frame rightwards to the outside of the door panel body in a clearance fit mode; the second telescopic rod is vertically arranged, and the top end of the second telescopic rod penetrates through the clamping frame upwards to the outside of the door panel body in a clearance fit mode; the third telescopic rod is horizontally arranged, and the left end of the third telescopic rod penetrates through the clamping frame to the left outside of the door panel body in a clearance fit mode; the fourth telescopic rod is vertically arranged, and the bottom end of the fourth telescopic rod downwards penetrates through the clamping frame to the outside of the door panel body in a clearance fit mode; the first telescopic rod and the third telescopic rod are positioned on the same vertical surface, and the rear end surfaces of the first telescopic rod and the third telescopic rod are in clearance fit with the front end surface of the rear door panel; the second telescopic rod and the fourth telescopic rod are positioned on the same vertical plane, the front end surfaces of the second telescopic rod and the fourth telescopic rod are in clearance fit with the rear end surface of the front door plate, and the rear end surfaces of the second telescopic rod and the fourth telescopic rod are in clearance fit with the front end surfaces of the first telescopic rod and the third telescopic rod; a plurality of dampers are fixed at the bottom of the front end of the rear door plate through bolts and are arranged in a linear array mode in the left-right direction; the damping is located on the inner side of the clamping frame, and the front end of the damping piston rod penetrates through the front door plate to the outside of the door plate body in a clearance fit mode.

As the further optimization of this technical scheme, the utility model relates to a safe threshold single leaf protective airtight door that lives the telescopic link sets up through the meshing of rack with the gear and is the telescoping device, and four telescopic links pass through the rack and stretch out and draw back in step with the meshing of gear.

As the further optimization of this technical scheme, the utility model relates to a safe threshold single leaf protective airtight door that lives the telescopic link is the rectangle form, and the one end that the gear was kept away from to the telescopic link is the arc form transition.

As a further optimization of this technical scheme, the utility model relates to a safe threshold single leaf protective airtight door that lives the observation window is the long circle shape.

As the further optimization of this technical scheme, the utility model relates to a safe threshold single leaf protective airtight door that lives the mount pad is the type of protruding font form.

As a further optimization of this technical scheme, the utility model relates to a safe threshold single leaf protective airtight door that lives the hand wheel is circular form.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model discloses a telescopic link passes through the rack and is the telescoping device with the meshing setting of gear, and four telescopic links pass through the rack and stretch out and draw back in step with the meshing of gear, and the person of facilitating the use carries out the operation that stretches out and draws back to four telescopic links simultaneously, and easy operation is convenient, and is comparatively practical.

2. The utility model discloses a set up the observation window of long circular form, be convenient for observe the condition before the door and behind the door through the observation window, it is comparatively practical.

3. The utility model discloses a set up the telescopic link and be the rectangle form, and the one end that the gear was kept away from to the telescopic link is the arc form transition, the insertion of the telescopic link of being convenient for.

4. The utility model discloses a to the improvement of a safe threshold single leaf protective airtight door that lives, it is rational in infrastructure to have, synchronous flexible, easy operation is convenient, is convenient for observe, is convenient for insert comparatively practical advantage to effectual solution the utility model discloses the problem that proposes in background art one with not enough.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is the schematic view of the internal structure of the door panel body of the present invention.

In the figure: the door panel comprises a door panel body 1, a front door panel 2, a rear door panel 3, a clamping frame 4, an observation window 5, a rotating shaft 6, a hand wheel 7, a gear 8, an expansion link 9, a rack 10, a mounting seat 11, a damper 12, a first expansion link 901, a second expansion link 902, a third expansion link 903 and a fourth expansion link 904.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention provides a specific technical implementation of a single-leaf protective airtight door with a safety movable door threshold:

the utility model provides a safe threshold single leaf protective airtight door that lives, includes: the door panel comprises a door panel body 1, a front door panel 2, a rear door panel 3, a clamping frame 4, an observation window 5, a rotating shaft 6, a hand wheel 7, a gear 8, an expansion link 9, a rack 10, a mounting seat 11, a damper 12, a first expansion link 901, a second expansion link 902, a third expansion link 903 and a fourth expansion link 904; the door panel body 1 consists of a front door panel 2, a rear door panel 3 and a clamping frame 4; the front door panel 2 is fixed at the front end of the clamping frame 4 through bolts, and the rear door panel 3 is fixed at the rear end of the front door panel 2 through bolts; an observation window 5 is embedded in the left side of the top of the front door plate 2, and the observation window 5 is fixed with the front door plate 2 through bolts; an observation window 5 is also embedded in the left side of the top of the rear door panel 3, and the observation window 5 and the rear door panel 3 are fixed through bolts; the observation window 5 arranged on the front door panel 2 and the observation window 5 arranged on the rear door panel 3 are symmetrical in the front and back directions; a rotating shaft 6 penetrates through the middle position of the door panel body 1 from front to back, the front end of the rotating shaft 6 is rotatably connected with the front door panel 2 through a bearing seat, and the rear end of the rotating shaft 6 is rotatably connected with the rear door panel 3 through the bearing seat; hand wheels 7 are connected to the front end and the rear end of the rotating shaft 6 in a key-connected mode, and the hand wheels 7 are fixed with the rotating shaft 6 through bolts; the middle part of the rotating shaft 6 is in key connection with a gear 8, and the gear 8 is in clearance fit between the front door panel 2 and the rear door panel 3; four telescopic rods 9 are arranged around the gear 8, and the four telescopic rods 9 are arranged in a # shape; racks 10 are respectively arranged at one ends of the four telescopic rods 9 close to the gear 8, and the racks 10 are meshed with the gear 8; the two ends of the four telescopic rods 9 are sleeved with mounting seats 11, and the mounting seats 11 are in clearance fit between the front door panel 2 and the rear door panel 3; the front end of the mounting seat 11 is connected with the telescopic rod 9 in a sliding manner, and the rear end of the mounting seat 11 is fixed with the rear door plate 3 through bolts; the first telescopic rod 901 is horizontally arranged, and the right end of the first telescopic rod 901 penetrates through the clamping frame 4 to the right to the outside of the door panel body 1 in a clearance fit manner; the second telescopic rod 902 is vertically arranged, and the top end of the second telescopic rod 902 upwards penetrates through the clamping frame 4 to the outside of the door panel body 1 in a clearance fit manner; the third telescopic rod 903 is horizontally arranged, and the left end of the third telescopic rod 903 penetrates through the clamping frame 4 to the left to the outside of the door panel body 1 in a clearance fit manner; the fourth telescopic rod 904 is vertically arranged, and the bottom end of the fourth telescopic rod 904 downwards penetrates through the clamping frame 4 to the outside of the door panel body 1 in a clearance fit manner; the first telescopic rod 901 and the third telescopic rod 903 are positioned on the same vertical plane, and the rear end surfaces of the first telescopic rod 901 and the third telescopic rod 903 are in clearance fit with the front end surface of the rear door panel 3; the second telescopic rod 902 and the fourth telescopic rod 904 are located on the same vertical plane, the front end surfaces of the second telescopic rod 902 and the fourth telescopic rod 904 are in clearance fit with the rear end surface of the front door panel 2, and the rear end surfaces of the second telescopic rod 902 and the fourth telescopic rod 904 are in clearance fit with the front end surfaces of the first telescopic rod 901 and the third telescopic rod 903; a plurality of dampers 12 are fixed at the bottom of the front end of the rear door panel 3 through bolts, and the plurality of dampers 12 are arranged in a linear array mode in the left-right direction; the damper 12 is located inside the clamping frame 4, and the front end of the piston rod of the damper 12 penetrates the front door panel 2 to the outside of the door panel body 1 forwards in a clearance fit mode.

Specifically, please refer to fig. 3, the telescopic rods 9 are telescopic devices arranged by engaging the rack 10 with the gear 8, and the four telescopic rods 9 are synchronously telescopic by engaging the rack 10 with the gear 8, the rotating hand wheel 7 rotates the rotating shaft 6, the rotating shaft 6 drives the gear 8 to rotate, the gear 8 is engaged with the rack 10 arranged on the four telescopic rods 9, so as to realize synchronous sliding and telescopic of the four telescopic rods 9 on the mounting seat 11, that is, the right end of the first telescopic rod 901 extends out of the right end of the door body 1 rightward, the top end of the second telescopic rod 902 extends out of the top end of the door body 1 upward, the left end of the third telescopic rod 903 extends out of the left end of the door body 1 leftward, the bottom end of the fourth telescopic rod 904 extends out of the bottom end of the door body 1 downward, the hand wheel 7 is rotated reversely, and the extended ends of the four telescopic rods 9 retract.

Specifically, please refer to fig. 3, the telescopic rod 9 is rectangular, and one end of the telescopic rod 9 far away from the gear 8 is arc-shaped for transition, so as to facilitate the insertion of the telescopic rod 9 and the existing door frame, and after the telescopic rod 9 is inserted into the existing door frame, the door panel body 1 is fixed with the existing door frame to lock the door, otherwise, the telescopic rod 9 is separated from the door frame to unlock the door panel body 1 and the existing door frame, and at this time, the door panel body 1 can be rotated and opened, which is not shown in the illustration of the existing door frame.

Specifically, referring to fig. 1, the observation window 5 is in a shape of a long circle, so that the conditions of the front and the back of the door can be conveniently observed through the observation window 5, and the observation window is practical.

Specifically, referring to fig. 3, the mounting seat 11 is in a shape of a convex, and the mounting seat 11 is used for connecting the telescopic rod 9 with the rear door panel 3 and guiding the telescopic rod 9 when the telescopic rod 9 slides and extends.

Specifically, referring to fig. 1, the hand wheel 7 is circular.

The method comprises the following specific implementation steps:

rotating hand wheel 7 makes pivot 6 rotate, pivot 6 drives gear 8 and rotates, gear 8 through with the meshing of the rack 10 of seting up on four telescopic links 9, it is flexible to realize the synchronous slip of four telescopic links 9 on mount pad 11 simultaneously, the right-hand member that door plant body 1 was stretched out to the right-hand member of first telescopic link 901 promptly, the top of door plant body 1 is upwards stretched out on the top of second telescopic link 902, the left end of third telescopic link 903 stretches out the left end of door plant body 1 left, the bottom of door plant body 1 is stretched out downwards to the bottom of fourth telescopic link 904, reverse rotating hand wheel 7, the inside of door plant body 1 is retracted again to the one end that four telescopic links 9 stretched out.

In summary, the following steps: the telescopic rods of the safety threshold single-leaf protective airtight door are telescopic devices through the meshing arrangement of the racks and the gears, and the four telescopic rods synchronously extend and retract through the meshing of the racks and the gears, so that a user can conveniently extend and retract the four telescopic rods simultaneously, and the safety threshold single-leaf protective airtight door is simple and convenient to operate and is relatively practical; the observation window in the shape of a long circle is arranged, so that the conditions of the front and the back of the door can be observed conveniently through the observation window, and the observation window is practical; the telescopic rod is rectangular, and one end of the telescopic rod, which is far away from the gear, is in arc transition, so that the telescopic rod can be inserted conveniently; the utility model discloses a to the improvement of a safe threshold single leaf protective airtight door that lives, it is rational in infrastructure to have, synchronous flexible, easy operation is convenient, is convenient for observe, is convenient for insert comparatively practical advantage to effectual solution the utility model provides a problem and not enough.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safe threshold single leaf protective airtight door that lives, includes: the door plate comprises a door plate body (1), a front door plate (2), a rear door plate (3), a clamping frame (4), an observation window (5), a rotating shaft (6), a hand wheel (7), a gear (8), an expansion rod (9), a rack (10), a mounting seat (11), a damper (12), a first expansion rod (901), a second expansion rod (902), a third expansion rod (903) and a fourth expansion rod (904); the method is characterized in that: the door plate body (1) consists of a front door plate (2), a rear door plate (3) and a clamping frame (4); the front door plate (2) is fixed at the front end of the clamping frame (4) through bolts, and the rear door plate (3) is fixed at the rear end of the front door plate (2) through bolts; an observation window (5) is embedded in the left side of the top of the front door plate (2), and the observation window (5) is fixed with the front door plate (2) through bolts; an observation window (5) is also embedded in the left side of the top of the rear door panel (3), and the observation window (5) is fixed with the rear door panel (3) through bolts; the observation window (5) arranged on the front door panel (2) and the observation window (5) arranged on the rear door panel (3) are symmetrical in the front and back direction; a rotating shaft (6) penetrates through the middle position of the door panel body (1) from front to back, the front end of the rotating shaft (6) is rotatably connected with the front door panel (2) through a bearing seat, and the rear end of the rotating shaft (6) is rotatably connected with the rear door panel (3) through the bearing seat; hand wheels (7) are connected to the front end and the rear end of the rotating shaft (6) in a key connection mode, and the hand wheels (7) are fixed with the rotating shaft (6) through bolts; the middle part of the rotating shaft (6) is in key connection with a gear (8), and the gear (8) is in clearance fit between the front door panel (2) and the rear door panel (3); four telescopic rods (9) are arranged around the gear (8), and the four telescopic rods (9) are arranged in a # shape; racks (10) are respectively arranged at one ends of the four telescopic rods (9) close to the gear (8), and the racks (10) are meshed with the gear (8); the two ends of the four telescopic rods (9) are sleeved with mounting seats (11), and the mounting seats (11) are in clearance fit between the front door panel (2) and the rear door panel (3); the front end of the mounting seat (11) is connected with the telescopic rod (9) in a sliding manner, and the rear end of the mounting seat (11) is fixed with the rear door panel (3) through bolts; the first telescopic rod (901) is horizontally arranged, and the right end of the first telescopic rod (901) penetrates through the clamping frame (4) rightwards to the outside of the door panel body (1) in a clearance fit mode; the second telescopic rod (902) is vertically arranged, and the top end of the second telescopic rod (902) upwards penetrates through the clamping frame (4) to the outside of the door panel body (1) in a clearance fit mode; the third telescopic rod (903) is horizontally arranged, and the left end of the third telescopic rod (903) penetrates through the clamping frame (4) to the left to the outside of the door panel body (1) in a clearance fit mode; the fourth telescopic rod (904) is vertically arranged, and the bottom end of the fourth telescopic rod (904) downwards penetrates through the clamping frame (4) to the outside of the door panel body (1) in a clearance fit mode; the first telescopic rod (901) and the third telescopic rod (903) are positioned on the same vertical plane, and the rear end surfaces of the first telescopic rod (901) and the third telescopic rod (903) are in clearance fit with the front end surface of the rear door panel (3); the second telescopic rod (902) and the fourth telescopic rod (904) are positioned on the same vertical plane, the front end surfaces of the second telescopic rod (902) and the fourth telescopic rod (904) are in clearance fit with the rear end surface of the front door panel (2), and the rear end surfaces of the second telescopic rod (902) and the fourth telescopic rod (904) are in clearance fit with the front end surfaces of the first telescopic rod (901) and the third telescopic rod (903); a plurality of dampers (12) are fixed at the bottom of the front end of the rear door panel (3) through bolts, and the dampers (12) are arranged in a linear array mode in the left-right direction; the damping (12) is located on the inner side of the clamping frame (4), and the front end of a piston rod of the damping (12) penetrates through the front door panel (2) to the outside of the door panel body (1) forwards in a clearance fit mode.

2. The single-leaf protective airtight door with the safe movable door sill as claimed in claim 1, characterized in that: the telescopic rods (9) are arranged to be telescopic devices through engagement of the racks (10) and the gears (8), and the four telescopic rods (9) are synchronously telescopic through engagement of the racks (10) and the gears (8).

3. The single-leaf protective airtight door with the safe movable door sill as claimed in claim 1, characterized in that: the telescopic rod (9) is rectangular, and one end, far away from the gear (8), of the telescopic rod (9) is in arc-shaped transition.

4. The single-leaf protective airtight door with the safe movable door sill as claimed in claim 1, characterized in that: the observation window (5) is in an oblong shape.

5. The single-leaf protective airtight door with the safe movable door sill as claimed in claim 1, characterized in that: the mounting seat (11) is in a convex shape.

6. The single-leaf protective airtight door with the safe movable door sill as claimed in claim 1, characterized in that: the hand wheel (7) is circular.