CN109372403B

CN109372403B - Partition door capable of being closed quickly

Info

Publication number: CN109372403B
Application number: CN201811574864.9A
Authority: CN
Inventors: 赵一虎; 求安泉; 孙贤; 王海龙
Original assignee: Zhejiang Zhongxing Protection Equipment Co ltd
Current assignee: Zhejiang Zhongxing Protection Equipment Co ltd
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2020-07-14
Anticipated expiration: 2038-12-21
Also published as: CN109372403A

Abstract

The invention discloses a partition door capable of being quickly closed, which comprises a door leaf, a door frame and a movable doorsill, wherein the door frame consists of an upper door frame, two side door frames and a lower door frame, a mounting groove for accommodating the movable doorsill is formed in the lower door frame, a mounting seat is fixedly arranged on one side of the door frame, a driving shaft which is rotatably connected to the mounting seat is arranged on the mounting seat along the vertical direction, the side edge of one side of the door leaf is fixedly connected to the driving shaft, a worm is fixedly arranged at one end of the driving shaft, a lifting lug is fixedly arranged at one end of the movable doorsill, a driven shaft is arranged on one side of the lifting lug opposite to the door leaf, penetrates through the door leaf and is rotatably connected to the door. When the door leaf is closed, the movable door sill can rotate in a linkage manner and is arranged on the lower door frame to complete the closing of the partition door. The steps of closing the partition door which need to be operated are reduced, the speed of closing the partition door is improved, and the partition can be effectively performed in a short time.

Description

Partition door capable of being closed quickly

Technical Field

The invention relates to a partition door, in particular to a partition door capable of being closed quickly.

Background

Urban rail transit is an important component of modern urban public transport, urban rail transit engineering is an underground traffic trunk at ordinary times, is an evacuation trunk for civil air defense in cities in wartime, can be used as a personnel shelter, guarantees the safety of personnel and equipment under urban secondary disasters when and after being attacked by nuclear weapons, chemical weapons and conventional weapons, and has the function of improving the comprehensive protection capability of the whole city.

The underground urban rail transit engineering after fortification is a large civil air defense engineering formed by connecting a plurality of stations through interval tunnels, in order to ensure that the performance of the protection function of adjacent stations is not influenced under the condition that the civil air defense function of one station is lost in wartime, protective airtight partition doors capable of bidirectionally and respectively bearing shock wave loads are required to be arranged in the interval tunnels between the stations, all the stations are mutually communicated by the interval tunnels at ordinary times, and the interval tunnels between the stations are partitioned through the protective airtight partition doors capable of bidirectionally and respectively bearing the shock wave loads in wartime to form mutually independent protection units.

If the publication number is CN 202866581U's patent, this patent discloses a subway single hole double-line interval biparting protection is airtight cuts off door, including door leaf, door frame, jack device, shutting and hinge page or leaf, the door frame comprises last door frame, both sides door frame and lower door frame, the door leaf is the biparting structure to be equipped with the centre joint sealing device between two door leaves, be equipped with the threshold slot down on the door frame to be connected with detachable threshold down on the door frame, the threshold is including threshold roof beam, fixed connection on threshold roof beam and threshold slot matched with bearing plug and fixed connection on threshold roof beam and rail seal box matched with rail seal spare, still be connected with bottom seal device on the threshold roof beam of living.

At ordinary times, the movable doorsill is not installed and is placed on the doorsill bracket, and the movable doorsill slot on the lower door frame is covered by the cover plate. The left door leaf and the right door leaf are opened in place, the jack device tightly pushes the support, the door leaf can be prevented from drooping, the door leaf can be locked, the door leaf is prevented from being closed automatically, and driving safety is guaranteed at ordinary times. When in war, the cover plate on the slot of the movable doorsill is removed, the movable doorsill is installed on the lower door frame, the rail sealing element on the movable doorsill is matched with the rail sealing box, the rail part is specially processed, and the sealing can be ensured. And then the door leaf is quickly closed, the door leaf with the sealing rubber strip in the middle is firstly closed, after the door leaf is closed in place, the hand wheel for locking is quickly rotated until the locking is closed in place, and then the other door leaf is closed. The closing and hinge act together to make the door leaf and the door frame contact closely to ensure the top sealing device, the side sealing device and the bottom sealing device to compress uniformly.

The disadvantages of this patent are: when closing the partition door, the cover plate is taken down, the movable doorsill is installed, and then the door leaf is closed. If the number of steps is large, the time for completely closing the partition door is long, and effective partition cannot be performed in a short time.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a subway interval protective partition door capable of being quickly closed.

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

the utility model provides a can close partition door fast, including door leaf, door frame and threshold that lives, the door frame comprises last door frame, two side door frames and lower door frame, offer the mounting groove that is used for holding the threshold that lives down on the door frame, door frame one side has set firmly the mount pad, the mount pad is equipped with along vertical direction and rotates the driving shaft of connecting in the mount pad, door leaf one side fixed connection is in the driving shaft, driving shaft one end has set firmly the worm, threshold one end that lives has set firmly the lug, the relative door leaf one side of lug is equipped with the driven shaft, the driven shaft is worn to establish the door leaf and is rotated and connect in the door leaf, the driven shaft is equipped with the follow driving wheel with the worm linkage back to threshold one end that lives, driving shaft one.

Through adopting above-mentioned technical scheme, when needing to close the wall door, only need through drive assembly drive driving shaft, the driving shaft rotates and drives the door leaf and rotate towards the door frame, closes the door frame. Meanwhile, the driving shaft rotates to drive the worm to rotate, the driven wheel and the driven shaft are driven to rotate, and finally the movable doorsill rotates until the movable doorsill is embedded into the mounting groove and combined with the lower door frame. Because the threshold of living rotates along with the door leaf, when the door leaf did not butt the door frame promptly, the threshold of living was in the state that is located the mounting groove top always, was located the mounting groove and combines, so the threshold of living can not take place to interfere with the mounting groove side along with the door leaf when rotating towards the door frame, makes the threshold of living can imbed in the mounting groove smoothly. When the door leaf is closed, the movable door sill can rotate in a linkage manner and is arranged on the lower door frame to complete the closing of the partition door. The steps of closing the partition door which need to be operated are reduced, the speed of closing the partition door is improved, and the partition can be effectively performed in a short time. When the partition door needs to be opened, the driving shaft is made to rotate reversely, the door leaf can be opened, meanwhile, the driven wheel rotates reversely, the movable doorsill rotates, and the movable doorsill leaves the mounting groove.

The invention is further provided with: a linkage worm wheel is arranged between the worm and the driven wheel, the linkage worm wheel is rotatably connected to the door leaf and meshed with the worm, a linkage rod is arranged between the driven wheel and the linkage worm wheel, and two ends of the linkage rod are respectively rotatably connected to the driven wheel and the linkage worm wheel.

By adopting the technical scheme, the worm drives the linkage worm wheel to rotate, and the linkage worm wheel drives the driven wheel to rotate through the linkage rod, so that the linkage of the worm and the driven wheel is realized. Compared with the direct engagement of the driven wheel and the worm, the linkage rod can reduce the radius of the driven wheel, thereby increasing the transmission ratio and facilitating the installation of the driven wheel.

The invention is further provided with: the foldable door is characterized in that a first arc-shaped plate fixedly connected to the door leaf and a second arc-shaped plate fixedly connected to the mounting seat are arranged between the door leaf and the mounting seat, a foldable metal film is fixedly arranged between the first arc-shaped plate and the second arc-shaped plate, and the first arc-shaped plate, the second arc-shaped plate and the metal film wrap the worm, the linkage worm wheel and the driven wheel.

Through adopting above-mentioned technical scheme, at the door leaf rotation in-process, first arc and second arc relative motion are isolated with worm, linkage turbine and follow driving wheel and external always to prevent to lead to worm, linkage turbine and to rust the card from the driving wheel and die because outside air and water, ensured opening and closing that the wall door can be smooth.

The invention is further provided with: the door leaf is equipped with the installation axle to threshold one side of living relatively, be equipped with between installation axle and the threshold of living and be used for giving the threshold of living downward rotation trend to support the tight pole, support tight pole one end and rotate to be connected in the installation axle, support tight pole back to installation axle one end and rotate to be connected in the threshold of living and along threshold length direction sliding connection in the threshold of living.

By adopting the technical scheme, the abutting rod has abutting force on the movable doorsill, so that the movable doorsill can be better combined with the lower door frame, and the sealing performance is improved. Meanwhile, when the movable threshold rotates, the relative distance between the movable threshold and the installation shaft changes, and the abutting rod slides relative to the movable threshold to compensate the changed relative distance between the movable threshold and the installation shaft, so that the movable threshold smoothly rotates.

The invention is further provided with: the tight supporting rod comprises a first rod and a second rod, one end of the first rod is rotatably connected to the mounting shaft, the other end of the first rod is sleeved outside the second rod, the first rod is slidably connected to the second rod, one end of the second rod, back to the first rod, is rotatably connected to the movable doorsill and is slidably connected to the movable doorsill, and a tight supporting spring in a compression setting is arranged between the first rod and the second rod.

By adopting the technical scheme, the abutting spring is always in a compression setting state, so the second rod always has a downward acting force on the movable doorsill, and the movable doorsill can be combined with the installation groove more tightly after being embedded in the installation groove, and the sealing property is improved. Meanwhile, when the door leaf is opened and the movable door sill is retracted, the second rod can slide relative to the first rod, the length of the abutting rod is shortened, and the movable maximum angle of the movable door sill is larger. When the door leaf is opened, the movable door sill is better retracted.

The invention is further provided with: the movable doorsill is characterized in that a compensation groove is formed in the upper end face of the movable doorsill along the length direction of the movable doorsill, waist-shaped grooves are formed in the side walls of the two sides of the compensation groove along the length direction of the compensation groove, one end of the second rod, opposite to the movable doorsill, is in an arc shape and is embedded in the compensation groove, rotating shafts embedded in the waist-shaped grooves are arranged on the two sides of the second rod, and the rotating shafts are rotatably connected to the waist-shaped grooves and are.

Through adopting above-mentioned technical scheme, rotate through the axis of rotation and connect in waist type groove and sliding connection in waist type groove, realized supporting tight pole sliding connection in the threshold of activity and sliding connection in the threshold of activity.

The invention is further provided with: the movable doorsill is provided with a limiting rod at one end far away from the driven shaft, and one side of the door leaf opposite to the movable doorsill is provided with an arc groove for limiting the sliding of the limiting rod.

By adopting the technical scheme, when the movable doorsill rotates relative to the door leaf, the limiting rod slides in the arc groove. At the moment, the arc groove has a supporting force on the limiting rod, and the movable threshold is supported by two points by combining the supporting force of the driven shaft on the movable threshold, so that the bending moment of the movable threshold, which is caused by single-point support, is reduced, and the movement of the movable threshold is more stable.

The invention is further provided with: the opposite arc groove both sides of gag lever post are equipped with the ball, the ball rotates to be connected in the gag lever post.

Through adopting above-mentioned technical scheme to when making the gag lever post slide in the arc groove, gag lever post and arc groove are rolling friction, have reduced the frictional force that the gag lever post received, thereby make the rotatable lighter of threshold that lives, reduced the wearing and tearing of gag lever post simultaneously.

The invention is further provided with: a sealing gasket is arranged on the lower end face of the movable doorsill, and a sealing strip is arranged on one side of the doorframe opposite to the door leaf; when the door leaf is closed, the door leaf is tightly pressed against the sealing strip.

By adopting the technical scheme, the sealing gasket and the sealing strip can reduce the gap between the door leaf and the threshold and the gap between the movable threshold and the lower threshold, so that the sealing performance of the partition door is improved. Meanwhile, the sealing gasket is flexible, so that when the movable doorsill rotates to be embedded into the mounting groove, the sealing gasket can deform, the movable doorsill smoothly enters the mounting groove, and the movable doorsill is prevented from being blocked.

The invention is further provided with: the door frame is equipped with fixed subassembly back to door leaf one side, and fixed subassembly includes that positive thread connection locates the outer application of force dish of thread bush in the thread bush, the fixing bolt who is located thread bush internal and reverse thread connection in the thread bush and fixed cover of thread bush in the thread bush of door frame, fixing bolt reverse thread connection is in the door leaf.

Through adopting above-mentioned technical scheme, after the door leaf is closed, can twist fixing bolt soon, make fixing bolt threaded connection in door leaf, fixing bolt and door leaf are fixed connection this moment. Then the threaded sleeve is screwed through the force application disc, so that the threaded sleeve drives the fixing bolt to move towards the movable doorsill, even if the door leaf moves towards the movable doorsill, the door leaf is more tightly attached to and abutted against the door frame, and the sealing performance of the partition door is improved.

The invention has the following advantages: the partition door is convenient and quick to open and close, and has good sealing performance.

Drawings

FIG. 1 is a schematic view of an embodiment of a door opening structure;

FIG. 2 is a schematic view of the door leaf of the embodiment shown in an open position;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

FIG. 5 is a schematic view of the door leaf according to the embodiment;

FIG. 6 is a partial schematic view of an embodiment;

FIG. 7 is a sectional view of the embodiment;

FIG. 8 is an enlarged view at C of FIG. 7;

FIG. 9 is a partial sectional view of the embodiment;

FIG. 10 is an enlarged view taken at D in FIG. 7;

fig. 11 is a partial cross-sectional view of an embodiment (primarily to embody a securing assembly).

Reference numerals: 1. a door leaf; 2. a door frame; 3. a live threshold; 4. an upper door frame; 5. a side door frame; 6. a lower door frame; 7. a sealing strip; 8. mounting grooves; 9. a mounting seat; 10. a drive shaft; 11. an annular projection; 12. a worm; 13. a drive assembly; 14. a connecting shaft; 15. a drive motor; 16. rotating the sleeve; 17. a driven shaft; 18. a bearing; 19. a driven wheel; 20. a linkage worm gear; 21. a linkage rod; 22. a first arc-shaped plate; 23. a second arc-shaped plate; 24. a metal flexible sheet; 25. lifting lugs; 26. a limiting rod; 27. an arc groove; 28. a ball bearing; 29. a compensation groove; 30. a waist-shaped groove; 31. a gasket; 32. installing a shaft; 33. a tightening rod; 34. a first lever; 35. a second lever; 36. a rotating shaft; 37. the spring is tightly propped; 38. a fixing assembly; 39. a threaded sleeve; 40. fixing the bolt; 41. a force application disk.

Detailed Description

The invention is further described with reference to the accompanying drawings.

As shown in fig. 1, a partition door capable of being closed quickly comprises a door leaf 1, a door frame 2 and a movable door sill 3, wherein the door frame 2 is composed of an upper door frame 4, two side door frames 5 and a lower door frame 6, and the door frame 2 is fixedly installed in a tunnel. One side of the door frame 2 opposite to the door leaf 1 is provided with a sealing strip 7 which is fixedly arranged along the circumferential direction. The lower door frame 6 is provided with a mounting groove 8 for accommodating the movable door sill 3.

As shown in fig. 2 and 3, an installation seat 9 is fixedly installed on one side of the door frame 2. Two installation seats 9 are arranged along the height direction of the door frame 2 and are respectively positioned at two ends of the door frame 2. As shown in fig. 3 and 4, a driving shaft 10 is vertically transmitted in the mounting seat 9, and two ends of the driving shaft 10 respectively penetrate through the two mounting seats 9 and are rotatably connected to the mounting seats 9. The outer walls of the two ends of the driving shaft 10 are fixedly provided with annular bulges 11, and the annular bulges 11 are abutted against the mounting seat 9, so that the driving shaft 10 and the mounting seat 9 can be stably connected together. As shown in fig. 4, a worm 12 is fixedly arranged at the lower end of the driving shaft 10. One end of the driving shaft 10, which is back to the worm 12, is provided with a driving assembly 13, the driving assembly 13 comprises a connecting shaft 14 and a driving motor 15, the connecting shaft 14 is coaxially and fixedly connected to the output end of the driving motor 15, and one end of the connecting shaft 14, which is opposite to the driving shaft 10, is coaxially and fixedly connected to the driving shaft 10.

As shown in fig. 4, a rotating sleeve 16 is fixedly disposed on a side surface of one side of the door leaf 1, and the rotating sleeve 16 is sleeved outside the driving shaft 10 and fixedly connected to the driving shaft 10, so that the door leaf 1 is rotatably connected to the door frame 2. The driven shaft 17 penetrates through the door leaf 1, a bearing 18 is arranged between the driven shaft 17 and the door leaf 1, the driven shaft 17 is fixedly connected to the inner ring of the bearing 18, and the door leaf 1 is fixedly connected to the outer ring of the bearing 18, namely the driven shaft 17 is rotatably connected to the door leaf 1.

As shown in fig. 4, a driven wheel 19 is coaxially fixed on one end of the driven shaft 17 opposite to the doorframe 2. A linkage worm wheel 20 is arranged between the worm 12 and the driven wheel 19, the linkage worm wheel 20 is rotatably connected to the door leaf 1 and meshed with the worm 12, a linkage rod 21 is arranged between the driven wheel 19 and the linkage worm wheel 20, and two ends of the linkage rod 21 are respectively rotatably connected to the end surface of one side of the driven wheel 19 and the end surface of one side of the linkage worm wheel 20. And the linkage bar 21 is located on the same side of the driven wheel 19 as the linkage turbine. So that when the linked turbine rotates, the driven wheel 19 and the linked turbine rotate synchronously in the same direction.

As shown in fig. 5, the door leaf 1 is fixedly connected with a first arc-shaped plate 22, the cross section of the first arc-shaped plate 22 is circular arc-shaped, the longitudinal section of the first arc-shaped plate 22 is -shaped, the mounting seat 9 is fixedly provided with a second arc-shaped plate 23, the cross section of the second arc-shaped plate 23 is circular arc-shaped, the longitudinal section of the second arc-shaped plate 23 is -shaped, a foldable metal flexible sheet 24 is fixedly arranged between the first arc-shaped plate 22 and the second arc-shaped plate 23, the metal flexible sheet 24 can be made of a metal hose which is cut along the axial direction, and as shown in fig. 4 and 5, the worm 12, the linked worm wheel 20 and the driven wheel 19 are covered by the first arc-shaped plate 22, the second arc-shaped plate 23 and.

As shown in fig. 1 and 6, a lifting lug 25 is fixedly arranged on one side of the driven shaft 17 opposite to the doorframe 2, and a movable threshold 3 is fixedly arranged on one side of the lifting lug 25. The movable threshold 3 is abutted against one side of the door leaf 1 opposite to the threshold. One end of the movable threshold 3, which is far away from the driven shaft 17, is provided with a limiting rod 26, and the limiting rod 26 is arranged in a circular arc shape. The door leaf 1 is provided with an arc groove 27 on one side relative to the movable doorsill 3, and the arc groove 27 is opened by taking the circle center of the driven shaft 17 as the circle center and taking the circle center of the driven shaft 17 to the center of the limiting rod 26 as the radius. The limiting rod 26 is embedded in the arc groove 27 and is connected to the arc groove 27 in a sliding manner. The two sides of the limiting rod 26 opposite to the arc groove 27 are provided with balls 28, and the balls 28 are rotationally connected with the limiting rod 26.

As shown in fig. 8 and 9, the upper end surface of the rocker 3 is provided with a compensation groove 29 along the length direction thereof, and the side walls of both sides of the compensation groove 29 are provided with a waist-shaped groove 30 along the length direction of the compensation groove 29. The lower end surface of the movable threshold 3 is fixedly provided with a sealing gasket 31.

As shown in fig. 7, an installation shaft 32 is provided on the door 1 at a side opposite to the movable doorsill 3, and a tightening rod 33 is provided between the installation shaft 32 and the movable doorsill 3. As shown in fig. 10, the tightening lever 33 includes a first lever 34 and a second lever 35. One end of the first rod 34 is rotatably connected to the mounting shaft 32, and the other end of the first rod is sleeved outside the second rod 35 and slidably connected to the first rod 34. As shown in fig. 9 and 10, the second rod 35 is disposed in the compensation groove 29 in an arc shape at an end opposite to the first rod 34, and two sides of the second rod 35 are disposed with rotation shafts 36 disposed in the waist-shaped groove 30, and the rotation shafts 36 are rotatably connected to the waist-shaped groove 30 and slidably connected to the waist-shaped groove 30. A contact spring 37 is arranged between the first rod 34 and the second rod 35 and is compressed. One end of the abutment spring is fixedly connected to the first rod 34 and the other end is fixedly connected to the second rod 35.

As shown in fig. 10, a fixing assembly 38 is disposed on a side of the door frame 2 opposite to the door leaf 1, and the fixing assembly 38 includes a threaded sleeve 39, a fixing bolt 40, and an application plate 41. The threaded sleeve 39 penetrates through the door frame 2 and is in threaded connection with one end of the door frame 2 far away from the mounting seat 9. The force application disc 41 is fixedly sleeved outside the threaded sleeve 39. The fixing bolt 40 is located in the threaded sleeve 39 and is connected to the threaded sleeve 39 in a reverse threaded manner, and the fixing bolt 40 is connected to the door leaf 1 in a reverse threaded manner.

As shown in fig. 10, when the partition door is opened, the movable door frame 2 is disposed at an angle to the lower door frame 6, the second rod 35 is embedded in the first rod 34, and the biasing spring 37 is disposed in a compressed manner.

The working principle of the partition door when closed is as follows:

as shown in fig. 1, 3 and 4, the driving shaft 10 driven by the driving motor 15 rotates, and the driving shaft 10 rotates to drive the door 1 to rotate toward the door frame 2, thereby closing the door frame 2. At the moment, the door leaf 1 is tightly pressed against the sealing strip 7, so that no gap exists between the door leaf 1 and the door frame 2, and sealing is ensured. At the same time, the worm 12 is rotated due to the rotation of the driving shaft 10. The worm 12 rotates to drive the linkage worm wheel to rotate, the linkage worm wheel drives the driven wheel 19 to rotate through the linkage rod 21, the driven shaft 17 is rotated, and finally the movable doorsill 3 rotates until the movable doorsill is not embedded into the installation groove 8 and is combined with the lower doorframe 6. The state shown in fig. 7 is reached.

As shown in fig. 4, 5 and 6, during the rotation of the threshold 3, the limiting rod 26 slides in the arc groove 27 all the time, and the arc groove 27 has a supporting force on the limiting rod 26, so that the rotation of the threshold 3 is more stable. After the movable threshold 3 is completely embedded into the mounting groove 8, the abutting spring 37 has a thrust force to the movable threshold, so that the sealing gasket 31 is pressed tightly, a gap between the movable threshold 3 and the lower door frame 6 is formed, and the sealing performance is improved. Meanwhile, the first arc-shaped plate 22 rotates relative to the second arc-shaped plate 23, and the metal film 24 is stretched, so that the worm 12, the linkage worm wheel 20 and the driven wheel 19 are always in a coated state, and the probability of corrosion and rust of the worm is reduced.

As shown in fig. 11, after the closing of the partition door is completed, the fixing bolt 40 is screwed so that the fixing bolt 40 is screwed to the door 1 even though the fixing bolt 40 and the door 1 are fixedly connected. Then, the threaded sleeve 39 is screwed by the force application disc 41, so that the threaded sleeve 39 drives the fixing bolt 40 to move towards one side of the movable doorsill 3, namely, the door leaf 1 moves towards the movable doorsill 3, the door leaf 1 is more tightly attached to the door frame 2 and tightly abutted to the door frame, and the sealing performance is improved.

The working principle of the partition door when opened is as follows:

as shown in fig. 1, 3 and 4, the driving shaft 10 driven by the driving motor 15 rotates, and the driving shaft 10 rotates to drive the door 1 to rotate towards the side far away from the door frame 2, so that the door 1 is opened. At the same time, the worm 12 is rotated due to the rotation of the driving shaft 10. The worm 12 rotates to drive the linkage worm wheel 20 to rotate, the linkage worm wheel 20 drives the driven wheel 19 to rotate through the linkage rod 21, the rotation of the driven shaft 17 is achieved, and finally the movable threshold 3 rotates to be separated from the installation groove 8.

As shown in fig. 7, 9, and 10, at this time, the second rod 35 slides in the first rod 34 toward the first rod 34, and the length of the abutment rod 33 is reduced. Meanwhile, the rotating shaft 36 slides and compensates in the waist-shaped groove 30, so that the movable doorsill 3 can smoothly rotate.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a can close partition door fast, including door leaf (1), door frame (2) and threshold (3) alive, door frame (2) comprise last door frame (4), two side door frames (5) and lower door frame (6), offer mounting groove (8) that are used for holding threshold (3) alive, characterized by on lower door frame (6): the door frame is characterized in that a mounting seat (9) is fixedly arranged on one side of the door frame (2), a driving shaft (10) which is rotatably connected to the mounting seat (9) is arranged on the mounting seat (9) in the vertical direction, the side edge of one side of the door leaf (1) is fixedly connected to the driving shaft (10), a worm (12) is fixedly arranged at one end of the driving shaft (10), a lifting lug (25) is fixedly arranged at one end of the movable door sill (3), a driven shaft (17) is arranged on one side of the lifting lug (25) opposite to the door leaf (1), the driven shaft (17) penetrates through the door leaf (1) and is rotatably connected to the door leaf (1), a driven wheel (19) which is linked with the worm (12) is arranged at one end of the driven shaft (17) back to the movable door sill (3), a driving component (13) which is used for driving the worm (12), linkage worm wheel (20) rotate connect in door leaf (1) and mesh with worm (12), be equipped with gangbar (21) between follow driving wheel (19) and linkage worm wheel (20), gangbar (21) both ends rotate respectively and connect in follow driving wheel (19) and linkage worm wheel (20), door leaf (1) is equipped with installation axle (32) relatively threshold (3) one side alive, be equipped with between installation axle (32) and threshold (3) and be used for giving threshold (3) the support tight pole (33) of downward rotation trend alive, support tight pole (33) one end and rotate to be connected in installation axle (32), support tight pole (33) rotate to installation axle (32) one end and connect in threshold (3) alive and along threshold (3) length direction sliding connection in threshold (3) alive.

2. A quick closeable partition door as claimed in claim 1, wherein: be equipped with between door leaf (1) and mount pad (9) and link firmly in first arc (22) of door leaf (1) and link firmly second arc (23) in mount pad (9), set firmly in folding metal film (24) between first arc (22) and second arc (23), just worm (12), linkage worm wheel (20) and follow driving wheel (19) are lived in first arc (22), second arc (23) and metal film (24) parcel.

3. A quickly closeable partition door as claimed in claim 2, wherein: support pole (33) including first pole (34) and second pole (35), first pole (34) one end is rotated and is connected in installation axle (32) and other end cover and locate outside second pole (35) and sliding connection in second pole (35), second pole (35) rotate to first pole (34) one end dorsad and connect in threshold (3) and sliding connection in threshold (3) that lives, be equipped with between first pole (34) and second pole (35) and be compression setting support tight spring (37).

4. A quickly closeable partition door according to claim 3 wherein: compensation groove (29) have been seted up along its length direction to threshold (3) up end, waist type groove (30) have been seted up along compensation groove (29) length direction to compensation groove (29) both sides lateral wall, second pole (35) relative threshold (3) one end of living is the circular arc setting and inlays and locate in compensation groove (29), second pole (35) both sides are equipped with axis of rotation (36) of inlaying in waist type groove (30), axis of rotation (36) are rotated and are connected in waist type groove (30) and sliding connection in waist type groove (30).

5. A quick-closing partition door as claimed in claim 4 wherein: one end of the movable doorsill (3), which is far away from the driven shaft (17), is provided with a limiting rod (26), and one side of the door leaf (1), which is opposite to the movable doorsill (3), is provided with an arc groove (27) for limiting the sliding of the limiting rod (26).

6. A quick closeable partition door as claimed in claim 5, wherein: the limiting rod (26) is provided with balls (28) on two sides of the arc groove (27), and the balls (28) are rotatably connected to the limiting rod (26).

7. A quick closeable partition door as claimed in claim 1, wherein: a sealing gasket (31) is arranged on the lower end face of the movable doorsill (3), and a sealing strip (7) is arranged on one side, opposite to the door leaf (1), of the door frame (2); when the door leaf (1) is closed, the door leaf (1) is tightly pressed against the sealing strip (7).

8. A quick closeable partition door as claimed in claim 1, wherein: door frame (2) are equipped with fixed subassembly (38) back to door leaf (1) one side, and fixed subassembly (38) are including threaded sleeve (39) of positive threaded connection in door frame (2), be located fixed bolt (40) of threaded sleeve (39) internal reverse threaded connection in threaded sleeve (39) and fixed cover locate the outer application of force dish (41) of threaded sleeve (39), fixed bolt (40) reverse threaded connection is in door leaf (1).