CN211714957U - Falling type double-leaf vertical-rotation protective airtight door - Google Patents

Abstract

The utility model discloses a drop formula double leaf vertical rotation protective airtight door, including door frame and lubricated mechanism, the door is all installed to the inside left and right sides of door frame, and the below of door front end installs locking mechanism, lubricated mechanism all is located the inside left and right sides of door frame, the inside detachable construction that is provided with in one side that the vertical central line of door frame was kept away from to the door. This fall formula biparting is found to change protective airtight door is provided with lubricating mechanism, can effectually separate between locating pin and the link through the bearing, can effectually alleviate the wearing and tearing between link and the locating pin to can effectually alleviate the loss of mechanical energy, can the effectual portability that improves the door and open and shut, and the lubricating grease groove can effectually provide lubrication and cooling effect for bearing and locating pin, makes the bearing can obtain stable operation.

Description

Falling type double-leaf vertical-rotation protective airtight door

Technical Field

The utility model relates to a fall formula biparting is found to change protective airtight door technical field specifically is a fall formula biparting is found to change protective airtight door.

Background

The falling type double-leaf protective airtight door and the airtight door are characterized in that no doorsill exists on the ground at ordinary times, so that people or vehicles can conveniently pass through the door; the door leaf is vertically rotated, descended and translated in wartime so as to meet the requirements of protection and sealing, and a small door which is convenient for personnel to come in and go out temporarily is arranged on the door leaf, so that peacetime conversion is rapid. The novel landing door improves the lifting mechanism thereof, and the operation is more convenient.

The current fall type biparting immediately changes protective sealed door is in the use, and is comparatively complicated to the dismantlement step of sealed door, and required time is longer, leads to the dismantlement inefficiency to sealed door, and to the lubricated effect that sealed door opened and shut relatively poor, and insecure to the locking of sealed door, the user demand that satisfies people that can not be fine, to above-mentioned condition, carries out technical innovation on current fall type biparting immediately changes protective sealed door basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fall type biparting turns upright protective sealed door to propose current fall type biparting and turn upright protective sealed door in the use among the solution above-mentioned background art, to the dismantlement step of sealed door comparatively complicated, required time is longer, results in the dismantlement inefficiency to the sealed door, and to the lubricated effect that the sealed door opened and shut relatively poor, and insecure to the locking of sealed door, the user demand problem of satisfying people that can not be fine.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fall formula double leaf vertical rotation protective airtight door, includes door frame and lubricated mechanism, a door is all installed to the inside left and right sides of door frame, and the below of a door front end installs locking mechanism, lubricated mechanism all is located the inside left and right sides of door frame, the inside detachable establishment that is provided with in one side that the vertical central line of door frame was kept away from to a door.

Preferably, the locking mechanism comprises a fixed sleeve column, a return spring, a locking pin and a locking groove hole, the return spring is arranged in the fixed sleeve column, the locking pin penetrates through the inside of the return spring, and the locking groove hole is formed in the lower portion of the locking pin.

Preferably, the fixed sleeve column and the locking pin form an elastic structure through a return spring, and the locking pin penetrates through the locking groove hole.

Preferably, detachable mechanism is including leading to groove, rack, propelling movement gear, hand wheel, locating pin, through-hole, propelling movement spring and propelling movement round pin, the inside that leads to the groove is provided with the rack, and one side of rack installs the propelling movement gear, the hand wheel is installed to the front end of propelling movement gear, the locating pin is installed to the below of rack, and the inside of locating pin is provided with the through-hole, the inside of through-hole is provided with the propelling movement spring, and the inside of propelling movement spring runs through there is the propelling movement round pin.

Preferably, the inner wall size structure of the through groove is matched with the outer wall size structure of the positioning pin, the positioning pin is connected with the rack, the rack is meshed with the pushing gear, the pushing gear is connected with the hand wheel, the positioning pin and the pushing pin form an elastic structure through the matching between the through hole and the pushing spring, and the pushing pin penetrates through the front end of the sash door.

Preferably, the lubricating mechanism comprises a connecting frame, a lubricating grease groove and a bearing, the bearing is arranged inside the connecting frame, the lubricating grease groove is arranged on one side, away from the door, of the bearing, the connecting frame is connected with the door frame, the connecting frame wraps the outer portion of the lubricating grease groove, and the connecting frame is connected with the bearing.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model is provided with the locking mechanism, under the action of the return spring, the locking pin is penetrated into the locking groove hole, so that the door leaf is connected with the door frame through the locking mechanism, thereby effectively limiting the position between the door frame and the door leaf, effectively improving the firmness of the door leaf closure and effectively improving the convenience of opening and closing the door leaf;

2. the utility model discloses being provided with lubricating mechanism, can effectively separating between locating pin and the link through the bearing, can effectively alleviate the wearing and tearing between link and the locating pin to can effectively alleviate the loss of mechanical energy, can effectively improve the light nature that the fan door opened and shut, and the grease groove can effectively provide lubrication and cooling effect for bearing and locating pin, makes the bearing obtain stable operation;

3. the utility model discloses be provided with detachable machanism, the hand wheel passes through the propelling movement gear with the propelling movement effort rack, and promote the locating pin to suitable position, make the locating pin penetrate the inside of link, and the propelling movement spring can penetrate the propelling movement round pin into the front end edge of fan door, thereby can effectual position of restriction locating pin, can effectually keep the locking position of locating pin, thereby can effectually be connected between door frame and the fan door, make the locating pin can obtain effectual utilization, and can effectual improvement dismouting door frame and the convenience between the fan door, can effectual improvement dismouting door frame and the high efficiency of fan door.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

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

FIG. 3 is a schematic view of a partial enlarged structure at B of FIG. 1 according to the present invention;

fig. 4 is a schematic sectional structural view of the positioning pin of the present invention;

fig. 5 is a schematic view of a part a of the enlarged structure of fig. 1 according to the present invention.

In the figure: 1. a door frame; 2. a door leaf; 3. a locking mechanism; 301. fixing the sleeve column; 302. a return spring; 303. a locking pin; 304. a locking slot hole; 4. a detachable mechanism; 401. a through groove; 402. a rack; 403. a push gear; 404. a hand wheel; 405. positioning pins; 406. a through hole; 407. pushing the spring; 408. a push pin; 5. a lubrication mechanism; 501. a connecting frame; 502. a grease groove; 503. and a bearing.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a falling type double-leaf vertical rotation protective airtight door comprises a door frame 1 and a lubricating mechanism 5, wherein leaf doors 2 are arranged on the left side and the right side of the inner portion of the door frame 1, a locking mechanism 3 is arranged below the front end of each leaf door 2, each locking mechanism 3 comprises a fixed sleeve column 301, a return spring 302, a locking pin 303 and a locking groove hole 304, the return spring 302 is arranged inside the fixed sleeve column 301, the locking pin 303 penetrates through the inner portion of the return spring 302, the locking groove hole 304 is arranged below the locking pin 303, the fixed sleeve column 301 forms an elastic structure with the locking pin 303 through the return spring 302, the locking pin 303 penetrates through the locking groove hole 304, when the door frame 1 is closed between the leaf doors 2, the locking pin 303 can effectively move along the central axis direction of the fixed sleeve column 301 under the action of the return spring 302 until the locking pin 303 penetrates through the inner portion of the locking groove hole 304, and the leaf doors 2 are connected with the door frame 1 through the locking mechanism 3, therefore, the position between the door frame 1 and the door leaf 2 can be effectively limited, the closing firmness of the door leaf 2 can be effectively improved, and the convenience for opening and closing the door leaf 2 can be effectively improved;

the lubricating mechanisms 5 are positioned on the left side and the right side of the interior of the door frame 1, each lubricating mechanism 5 comprises a connecting frame 501, a lubricating grease groove 502 and a bearing 503, the bearing 503 is arranged in the connecting frame 501, the lubricating grease groove 502 is installed on one side, far away from the door leaf 2, of the bearing 503, the connecting frame 501 is connected with the door frame 1, the connecting frame 501 wraps the exterior of the lubricating grease groove 502 and is connected with the bearing 503, the positioning pin 405 and the connecting frame 501 can be effectively separated through the bearing 503, abrasion between the connecting frame 501 and the positioning pin 405 can be effectively reduced, accordingly, mechanical energy loss can be effectively reduced, opening and closing convenience of the door leaf 2 can be effectively improved, the lubricating grease groove 502 can effectively provide lubricating and cooling effects for the bearing 503 and the positioning pin 405, and the bearing 503 can be stably operated;

a detachable mechanism 4 is arranged inside one side of the door 2 far away from the vertical central line of the door frame 1, the detachable mechanism 4 comprises a through groove 401, a rack 402, a pushing gear 403, a hand wheel 404, a positioning pin 405, a through hole 406, a pushing spring 407 and a pushing pin 408, the rack 402 is arranged inside the through groove 401, the pushing gear 403 is arranged on one side of the rack 402, the hand wheel 404 is arranged at the front end of the pushing gear 403, the positioning pin 405 is arranged below the rack 402, the through hole 406 is arranged inside the positioning pin 405, the pushing spring 407 is arranged inside the through hole 406, the pushing pin 408 penetrates through the pushing spring 407, the size structure of the inner wall of the through groove 401 is matched with the size structure of the outer wall of the positioning pin 405, the positioning pin 405 is connected with the rack 402, the rack 402 is meshed with the pushing gear 403, the pushing gear 403 is connected with the hand wheel 404, the positioning pin 405 and the pushing pin 408 form an elastic structure with the pushing pin 408 through, and the pushing pin 408 penetrates the front end of the sash door 2, a user can apply a rotating force to the handwheel 404, the handwheel 404 is connected with the pushing gear 403, so that the handwheel 404 applies the pushing force to the rack 402 through the pushing gear 403, the rack 402 moves along the central axis direction of the through groove 401, the rack 402 is connected with the positioning pin 405, the rack 402 and the positioning pin 405 synchronously move until the positioning pin 405 is pushed to a proper position, the positioning pin 405 penetrates into the connecting frame 501, at the moment, the pushing pin 408 is pushed to move along the central axis direction of the through hole 406 under the action of the pushing spring 407 until the pushing pin 408 penetrates into the front end edge of the sash door 2, thereby effectively limiting the position of the positioning pin 405, effectively keeping the locking position of the positioning pin 405, effectively connecting the door frame 1 and the sash door 2, and effectively utilizing the positioning pin 405, and the convenience between the door frame 1 and the door leaf 2 can be effectively improved, and the high efficiency of the door frame 1 and the door leaf 2 can be effectively improved.

The working principle is as follows: when the falling type double-leaf vertical rotation protective airtight door is used, firstly, a user can apply a rotating force to the hand wheel 404, the hand wheel 404 is connected with the pushing gear 403, the hand wheel 404 applies the pushing force to the rack 402 through the pushing gear 403, the rack 402 moves along the central axis direction of the through groove 401, the rack 402 is connected with the positioning pin 405, the rack 402 and the positioning pin 405 synchronously move until the positioning pin 405 is pushed to a proper position, the positioning pin 405 penetrates into the connecting frame 501, at the moment, the pushing pin 408 is pushed by the pushing spring 407 to move along the central axis direction of the through hole 406 until the pushing pin 408 penetrates into the front end edge of the leaf door 2, and therefore the position of the positioning pin 405 can be effectively limited, and the door frame 1 is connected with the leaf door 2;

then, the door frame 1 is closed between the door leaves 2, at this time, the locking pin 303 is moved along the central axis direction of the fixed sleeve column 301 through the return spring 302 until the locking pin 303 penetrates into the locking slot hole 304, so that the door leaves 2 are connected with the door frame 1 through the locking mechanism 3, and the position between the door frame 1 and the door leaves 2 can be effectively limited.

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 (6)

1. The utility model provides a fall formula biparting is found to change protective sealed door, includes door frame (1) and lubricated mechanism (5), its characterized in that: door (2) are all installed to the inside left and right sides of door frame (1), and locking mechanism (3) are installed to the below of door (2) front end, lubricated mechanism (5) all are located the inside left and right sides of door frame (1), door (2) keep away from inside detachable construction (4) that is provided with in one side of the vertical central line of door frame (1).

2. The fall-down type double-leaf vertical rotation protective airtight door according to claim 1, characterized in that: locking mechanism (3) are including fixed box post (301), return spring (302), locking round pin (303) and locking slotted hole (304), the inside of fixed box post (301) is provided with return spring (302), and the inside of return spring (302) runs through there is locking round pin (303), locking slotted hole (304) are installed to the below of locking round pin (303).

3. The drop-down type double-leaf vertical rotation protective airtight door according to claim 2, characterized in that: the fixed sleeve column (301) and the locking pin (303) form an elastic structure through the return spring (302), and the locking pin (303) penetrates through the locking groove hole (304).

4. The fall-down type double-leaf vertical rotation protective airtight door according to claim 1, characterized in that: detachable mechanism (4) are including leading to groove (401), rack (402), propelling movement gear (403), hand wheel (404), locating pin (405), through-hole (406), propelling movement spring (407) and propelling movement round pin (408), the inside of leading to groove (401) is provided with rack (402), and one side of rack (402) installs propelling movement gear (403), hand wheel (404) are installed to the front end of propelling movement gear (403), locating pin (405) is installed to the below of rack (402), and the inside of locating pin (405) is provided with through-hole (406), the inside of through-hole (406) is provided with propelling movement spring (407), and the inside of propelling movement spring (407) runs through has propelling movement round pin (408).

5. The fall-down type double-leaf vertical rotation protective airtight door according to claim 4, characterized in that: the inner wall size structure of the through groove (401) is matched with the outer wall size structure of the positioning pin (405), the positioning pin (405) is connected with the rack (402), the rack (402) is meshed with the pushing gear (403), the pushing gear (403) is connected with the hand wheel (404), the positioning pin (405) forms an elastic structure with the pushing pin (408) through the matching between the through hole (406) and the pushing spring (407), and the pushing pin (408) penetrates through the front end of the sash door (2).

6. The fall-down type double-leaf vertical rotation protective airtight door according to claim 1, characterized in that: lubricating mechanism (5) are including link (501), grease groove (502) and bearing (503), the inside of link (501) is provided with bearing (503), and bearing (503) keep away from one side of fan door (2) and install grease groove (502), be connected between link (501) and door frame (1), and link (501) parcel is in the outside of grease groove (502) to be connected between link (501) and bearing (503).

Images