CN212130233U

CN212130233U - Airtight door convenient to movable threshold is dismantled in installation

Info

Publication number: CN212130233U
Application number: CN202020410712.1U
Authority: CN
Inventors: 李竹平; 刘二强
Original assignee: Tianjin Zhonghe Hengtai Civil Defense Engineering Protection Equipment Co ltd
Current assignee: Tianjin Zhonghe Hengtai Civil Defense Engineering Protection Equipment Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-12-11
Anticipated expiration: 2030-03-27

Abstract

The utility model relates to a sealed door convenient to installation is dismantled threshold alive, including a door body, its characterized in that is equipped with the door frame in the outside of the door body, at the inside cavity that is equipped with in the center of the door body, ann has the rack with gear engaged with on the slide bar, and the baffle is ann to the one end of the nearer slide bar of distance rack, is equipped with corresponding ladder through-hole on the door frame relative with the fastening groove, and the threshold alive passes through the installation of fixed establishment dismantlement on the door frame, the upper and lower both ends of threshold alive respectively with the door body, a sealed laminating of mount pad. The utility model has the advantages of reasonable design, through the slide bar that sets up the ann rack in the door body, the cooperation gear, be convenient for open and close a body, through the fixed establishment who corresponds about setting up one at the mount pad, through the rotation of V-arrangement actuating lever, drive the slide and slide in the guide cylinder, and then the flexible fastening inslot of drive fitting pin, the door threshold that lives is dismantled in the installation of being convenient for, has solved the loaded down with trivial details problem of door threshold dismouting, has reduced the potential safety hazard because of the dismouting is loaded down with trivial details and has brought.

Description

Airtight door convenient to movable threshold is dismantled in installation

Technical Field

The utility model relates to a people's air defense door technical field especially relates to a sealed door convenient to installation is dismantled and is had a threshold.

Background

The sealing door is a door capable of increasing air tightness, is used in a channel leading to a shaft bottom yard for a main power substation and a main drainage pump room in a well and is easy to close so as to prevent water from suddenly immersing. The movable threshold sealed door is one of sealed doors, the threshold is movable and can be detached at ordinary times, so that the lower end of the door frame is flush with the ground, and vehicles and personnel can conveniently enter and exit. However, the existing airtight door has the defect of complicated locking structure, the weight of the movable door threshold is large, the installation and the disassembly are complicated, and certain potential safety hazards exist.

Disclosure of Invention

The utility model aims at solving the defects of the prior art and provides a closed door convenient for installing and disassembling a movable doorsill.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:

a closed door convenient for installing and disassembling a sliding door threshold comprises a door body and is characterized in that a door frame is arranged outside the door body, a concave cavity is arranged inside the center of the door body, a gear is rotatably arranged in the concave cavity, a rotating shaft is coaxially and fixedly connected to the gear, a rotating hand wheel is coaxially and fixedly connected to the rear end of the rotating shaft and penetrates out of the door body, horizontal sliding grooves which are parallel up and down are arranged on the door body, the upper horizontal sliding grooves and the lower horizontal sliding grooves are respectively arranged on the upper side and the lower side of the gear and are arranged in a left-right staggered mode, the horizontal sliding grooves are communicated with the concave cavity, a horizontal sliding rod is arranged in each horizontal sliding groove, a rack which is meshed with the gear is arranged on each sliding rod, a baffle is arranged at one end of each sliding rod which is closer to the rack, the baffle slides in the corresponding horizontal sliding groove, positioning grooves which correspond to the horizontal sliding, the movable doorsill is arranged on the first mounting seat, fastening grooves are correspondingly formed in the left end and the right end of the movable doorsill, corresponding step through holes are formed in the doorframe opposite to the fastening grooves, the hole diameter of each step through hole is gradually reduced from inside to outside, fixing mechanisms are correspondingly arranged on the left side and the right side of the movable doorsill, the movable doorsill is detachably mounted on the doorframe through the fixing mechanisms, and the upper end and the lower end of the movable doorsill are respectively in sealing fit with the door body and the first mounting seat.

The door frame is arranged in a portal frame structure.

Fixing mechanism includes the mount pad two of rigid coupling in the door frame outside, the below of mount pad two is equipped with the guide cylinder, the guide cylinder rigid coupling is on mount pad one, open on the top of guide cylinder has the horizontal groove, the open end and the coaxial setting of ladder through-hole of guide cylinder, it is equipped with the slide to slide in the guide cylinder, the top of slide articulates there is the V-arrangement actuating lever, the link of V-arrangement actuating lever rotates on mount pad two, the one end of V-arrangement actuating lever is passed the horizontal groove and is articulated with the slide, the other end of V-arrangement actuating lever is free drive end, the rigid coupling has spring unit between the end wall of slide and guide cylinder, one side rigid coupling that deviates from spring unit's slide has the connecting rod, the connecting rod passes the coaxial rigid coupling of ladder through-hole and has.

The utility model has the advantages that: the utility model has the advantages of reasonable design, through the slide bar that sets up the ann rack in the door body, the cooperation gear, be convenient for open and close a body, through the fixed establishment who corresponds about setting up one at the mount pad, through the rotation of V-arrangement actuating lever, drive the slide and slide in the guide cylinder, and then the flexible fastening inslot of drive fitting pin, the door threshold that lives is dismantled in the installation of being convenient for, has solved the loaded down with trivial details problem of door threshold dismouting, has reduced the potential safety hazard because of the dismouting is loaded down with trivial details and has brought.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1;

in the figure: 1-mounting a first base; 2-a live threshold; 3-a door body; 4-a door frame; 5-horizontal sliding chute; 6-a cavity; 7-a gear; 8-positioning grooves; 9-a slide bar; 10-a rack; 11-a baffle plate; a 12-V shaped drive rod; 13-mounting a second base; 14-a guide cylinder; 15-a spring assembly; 16-a slide plate; 17-a connecting rod; 18-a stepped through hole; 19-a fastening pin; 20-a fastening slot;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in fig. 1-2, a closed door convenient for installing and disassembling a threshold, which comprises a door body 3, and is characterized in that a door frame 4 is arranged outside the door body 3, a concave cavity 6 is arranged inside the center of the door body 3, a gear 7 is rotatably arranged in the concave cavity 6, a rotating shaft is coaxially and fixedly connected to the gear 7, a rotating hand wheel is coaxially and fixedly connected to the rear end of the rotating shaft, which penetrates through the door body 3, the door body 3 is provided with horizontal chutes 5 which are parallel up and down, the upper and lower horizontal chutes 5 are respectively arranged at the upper and lower sides of the gear 7 and are staggered left and right, the horizontal chutes 5 are communicated with the concave cavity 6, each horizontal chute 5 is internally provided with a horizontal sliding rod 9, a rack 10 engaged with the gear 7 is arranged on the sliding rod 9, a baffle 11 is arranged at one end of the sliding rod 9 which is closer to the rack 10, the baffle 11 slides in the corresponding horizontal chute 5, positioning, the other end of the sliding rod 9 slides in the corresponding locating slot 8, a horizontal mounting seat I1 is fixedly connected to the outer side of the bottom of the door frame 4, a movable door threshold 2 is arranged on the mounting seat I1, fastening slots 20 are correspondingly arranged at the left end and the right end of the movable door threshold 2, corresponding step through holes 18 are formed in the door frame 4 opposite to the fastening slots 20, the hole diameter of each step through hole 18 is gradually reduced from inside to outside, fixing mechanisms are correspondingly arranged at the left side and the right side of the movable door threshold 2, the movable door threshold 2 is installed on the door frame 4 through the fixing mechanisms in a dismounting mode, and the upper end and the lower end of the movable door threshold 2 are respectively in sealing.

The door frame 4 is arranged in a portal frame structure.

The fixing mechanism comprises a second mounting seat 13 fixedly connected to the outer side of the door frame 4, a guide cylinder 14 is arranged below the second mounting seat 13, the guide cylinder 14 is fixedly connected to the first mounting seat 1, a horizontal groove is formed in the top end of the guide cylinder 14, the open end of the guide cylinder 14 and a step through hole 18 are coaxially arranged, a sliding plate 16 is arranged in the guide cylinder 14 in a sliding mode, a V-shaped driving rod 12 is hinged to the top end of the sliding plate 16, the connecting end of the V-shaped driving rod 12 rotates on the second mounting seat 13, one end of the V-shaped driving rod 12 penetrates through the horizontal groove to be hinged to the sliding plate 16, the other end of the V-shaped driving rod 12 is a free driving end, a spring assembly 15 is fixedly connected between the sliding plate 16 and the end wall of the guide cylinder 14, a connecting rod 17 is fixedly connected to one side of the sliding plate 16 far away from the spring assembly 15.

When the movable doorsill 2 needs to be assembled and disassembled in the using process of the utility model, an operator manually drives the rotating handwheel, the rotating handwheel drives the gear 7 to rotate through the rotating shaft, the gear 7 drives the upper sliding rod 9 and the lower sliding rod 9 to move reversely along the horizontal sliding chute 5 through the rack 10, so that the sliding rod 9 can move in the positioning groove 8 in a telescopic manner, the door body 3 can be opened and closed conveniently, an operator drives the free driving end of the V-shaped driving rod 12, the V-shaped driving rod 12 rotates on the second mounting seat 13, so that the other end of the V-shaped driving rod 12 carries the slide plate 16 toward the outer end wall of the guide cylinder 14, make 16 compression spring subassemblies of slide 15, slide 16 drives fastening pin 19 through connecting rod 17 and puts aside fastening groove 20, and the installation of being convenient for is dismantled and is had a chance to live threshold 2, has solved the loaded down with trivial details problem of the dismouting of threshold 2 that lives, has reduced the potential safety hazard because of the dismouting is loaded down with trivial details to bring, the utility model has the advantages of reasonable design.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. A closed door convenient for installing and disassembling a doorsill comprises a door body (3) and is characterized in that a door frame (4) is arranged outside the door body (3), a concave cavity (6) is arranged inside the center of the door body (3), a gear (7) is rotationally arranged in the concave cavity (6), a rotating shaft is coaxially and fixedly connected onto the gear (7), a rotating hand wheel is coaxially and fixedly connected onto the rotating shaft, the rear end of the rotating shaft penetrates out of the door body (3) in a rotating mode, horizontal sliding chutes (5) which are parallel up and down are arranged on the door body (3), the upper horizontal sliding chutes and the lower horizontal sliding chutes (5) are respectively positioned on the upper side and the lower side of the gear (7) and are arranged in a left-right staggered mode, the horizontal sliding chutes (5) are communicated with the concave cavity (6), horizontal sliding rods (9) are arranged in each horizontal sliding chute (5), racks (10) meshed with the gear (7) are arranged on the sliding rods (9), the baffle plates (11) slide in the corresponding horizontal sliding chutes (5), the door frame (4) is provided with positioning grooves (8) which are in one-to-one correspondence with the horizontal sliding chutes (5), the other ends of the sliding rods (9) slide in the corresponding positioning grooves (8), a horizontal mounting seat I (1) is fixedly connected with the outer side of the bottom of the door frame (4), a movable doorsill (2) is arranged on the mounting seat I (1), fastening grooves (20) are correspondingly arranged at the left end and the right end of the movable doorsill (2), the door frame (4) opposite to the fastening groove (20) is provided with a corresponding step through hole (18), the hole diameter of the step through hole (18) is gradually reduced from inside to outside, the left side and the right side of the movable doorsill (2) are correspondingly provided with fixing mechanisms, the movable doorsill (2) is installed on the door frame (4) through the fixing mechanisms in a dismounting mode, and the upper end and the lower end of the movable doorsill (2) are respectively in sealing fit with the door body (3) and the first mounting seat (1).

2. The sealed door convenient for installing and disassembling the doorsill as claimed in claim 1, wherein the door frame (4) is arranged in a portal frame structure.

3. The sealed door convenient for installing and disassembling the doorsill as claimed in claim 1, wherein the fixing mechanism comprises a second mounting seat (13) fixedly connected to the outer side of the door frame (4), a guide cylinder (14) is arranged below the second mounting seat (13), the guide cylinder (14) is fixedly connected to the first mounting seat (1), a horizontal groove is formed in the top end of the guide cylinder (14), the open end of the guide cylinder (14) is coaxially arranged with the stepped through hole (18), a sliding plate (16) is slidably arranged in the guide cylinder (14), a V-shaped driving rod (12) is hinged to the top end of the sliding plate (16), the connecting end of the V-shaped driving rod (12) rotates on the second mounting seat (13), one end of the V-shaped driving rod (12) penetrates through the horizontal groove to be hinged to the sliding plate (16), the other end of the V-shaped driving rod (12) is a free driving end, and a spring assembly (15) is fixedly connected between the sliding plate (16) and the end wall of, one side of the sliding plate (16) which is far away from the spring assembly (15) is fixedly connected with a connecting rod (17), the connecting rod (17) penetrates through the stepped through hole (18) to be fixedly connected with a fastening pin (19) coaxially, and the fastening pin (19) stretches in a corresponding fastening groove (20).