CN103422760A

CN103422760A - Sliding door pulling and buffering device

Info

Publication number: CN103422760A
Application number: CN201210161186XA
Authority: CN
Inventors: 坂口俊
Original assignee: SHANGHAI UNIFLOW INTERNATIONAL TRADE Co Ltd
Current assignee: SHANGHAI UNIFLOW INTERNATIONAL TRADE Co Ltd
Priority date: 2012-05-18
Filing date: 2012-05-18
Publication date: 2013-12-04
Anticipated expiration: 2032-05-18
Also published as: CN103422760B

Abstract

The invention discloses a sliding door pulling and buffering device which is composed of a pulling device and a buffering device. The pulling device comprises a shell, a rotating shaft and a winding drum. The rotating shaft is movably supported in the shell, one end of a winding spring is fixed on the rotating shaft while the other end of the same is fixed on the winding drum, a pulling rope is fixed on the outer surface of the winding drum, and one end of the pulling rope can extend out of the shell. The buffering device comprises a cylindrical body and a piston rod. A piston is arranged at one end of the piston rod, the outer surface of the piston contacts with the surface of an inner cavity of the cylindrical body, and an air hole is formed at the bottom end of the inner cavity of the cylindrical body. The sliding door pulling and buffering device has the advantages that the device is simple in structure and convenient to use, sliding speed of a sliding door can be reduced automatically and effectively, noise is reduced, service lives of the sliding door and accessories thereof are prolonged, and the like.

Description

Move sliding door traction and buffer

Technical field

The present invention relates to traction and the buffer of a kind of, relate in particular to a kind of traction and buffer that moves sliding door.

Background technology

Because the open and close that move sliding door take up space littlely, be widely used in the field boundarys such as warehouse, freezer and close.In prior art, the open and close that move sliding door mostly rely on manpower to complete, and this closes for the frequent field boundary that needs open and close to move sliding door, as freezer, uses very inconvenient.Especially, when moving sliding door while closing, due to the effect of inertia, move sliding door and easily bump with doorframe, not only can produce noise, and easily cause moving and pull and the damage of accessory, greatly reduce its application life.

Summary of the invention

The purpose of this invention is to provide a kind of pull traction and buffer of moving that sliding door is closed voluntarily and closing velocity is cushioned that can make to move.

Draw-gear and buffer have been the present invention includes; Draw-gear comprises housing, rotating shaft and reel, described rotating shaft is supported in housing actively, and an end of wind spring is fixed in described rotating shaft, and the other end of wind spring is fixed on reel, the external surface of reel is fixed wtih an end of pull rope, the extended housing of the other end of pull rope.Described buffer includes long tubular body and piston rod, and an end of piston rod is piston, and the external surface of described piston matches with the surface of internal cavity of long tubular body, and the inner chamber bottom of long tubular body is provided with the pore with exterior.

The pull rope stretched out from described draw-gear can be fixed on the fixture that moves the close end of sliding door, and the installation site of described draw-gear should guarantee to move sliding door when pulling open, and wind spring is in deflated state gradually; The piston of described buffer is provided with sealing ring, and the relative other end that is provided with sealing ring one end at piston rod can contact with the fixture that is fixed on the moving door other end.The installation site of buffer should guarantee to move sliding door and play the obstruction cushioning effect when closing.

The described lower end of moving the sliding door fixture is provided with part that can be substantially vertical with moving the ，Yu Gai plane, plane that is fixedly connected with, sliding door upper end and is supported with roller with bolt.Can be provided with magnet with the upper end of the contacted moving door fixture of buffer piston rod one end, this magnet can contact with the metalwork of piston rod end.

Described draw-gear and buffer all are fixed on the end face of guide rail, and the roller moved on the sliding door fixture matches with the track that is approximately perpendicular to guide rail end surface.Also be fixed with holder at the end face of guide rail and moving the direction that sliding door opens, described holder is made with elastomeric material and is horn-like opening in the direction towards moving sliding door.

The inner chamber bottom of the long tubular body of buffer also is provided with the control valve of adjustable solar term hole size.Also be provided with at the described sliding door fixture that moves the bolt that anti-limited slip wheel de-orbits.Below the track of described guide rail, be positioned at moving sliding door open destination county be provided with can with move the contacted retainer of sliding door fixture.For preventing that dust and foul from invading, be fixed with outer cover in the outside of described guide rail, by draw-gear and buffer cover cap therein.

Owing to draw-gear of the present invention and buffer being installed moving on sliding door, along with the unlatching that moves sliding door, just the wind spring of draw-gear is constantly put aside energy, when need, close while moving sliding door, as long as loose one's grip, move sliding door under the traction of draw-gear, auto-closing.Cause the impact of doorframe and produce noise for preventing from moving acceleration that sliding door produces when the closure, buffer utilizes the pump principle, relies on coordinating of piston and long tubular chamber body wall, can be automatically, effective reduction sliding speed of moving sliding door.The characteristics such as the present invention has simple in structure, easy to use.

The accompanying drawing explanation

Fig. 1 is that the present invention uses view;

Fig. 2 is draw-gear structural representation of the present invention;

Fig. 3 is buffer unit structure schematic diagram of the present invention;

Fig. 4 is that the present invention moves sliding door anchor structure schematic diagram;

Fig. 5 is the lateral view of Fig. 4.

The specific embodiment

The invention will be further described for the embodiment provided below in conjunction with accompanying drawing:

As shown in Figure 1, draw-gear 2 of the present invention and buffer 1 use rivet or screw 26 are fixed on the vertical plane of guide rail 5, on the end face of guide rail 5.As shown in Figure 2, draw-gear 2 comprises housing 27, rotating shaft 15 and reel 16, and described rotating shaft is supported in housing actively, and an end of wind spring 14 is fixed in described rotating shaft, and the other end of wind spring is fixed on reel.The external surface of reel 16 is fixed with an end of pull rope 17, and the extended housing 27 of the other end of pull rope is connected with the fixture 3 that moves sliding door 6 close ends.The installation site of described draw-gear 2 should guarantee to move sliding door 6 when pulling open, and wind spring 14 is in deflated state gradually.As shown in Figure 3, buffer 1 includes long tubular body 8 and piston rod 11, and an end of piston rod is piston 9, and piston is provided with rubber seal 10, to increase the sealing performance of piston 9 and long tubular body 8 surface of internal cavity.The inner chamber bottom of long tubular body 8 is provided with the pore 12 with exterior, also is provided with the control valve 13 that can regulate this pore opening in the inner chamber bottom of long tubular body.Piston rod 11 be provided with sealing ring one end the relative other end can with the fixture 3 that is fixed on the moving door other end ' contact.

As shown in accompanying

drawing

4,5, move sliding door fixture 3,3 ' all in its lower end, be provided with can with the plane 23 of moving 6 upper ends of pulling and being fixedly connected with, the part substantially vertical with this plane is supported with a rotating roller 4 with bolt 19.Moving door fixture 3 ' upper end be provided with magnet 22, this magnet can contact with the metalwork of piston rod 11 ends.Move the sliding door fixture 3,3 ' on roller and the track on guide rail 20 match, the outer round surface of roller is designed to the groove 18 matched with track 20.Also be fixed with holder 7 at the end face (vertical plane) of guide rail and moving the direction that sliding door opens, this holder is made with elastic steel sheet and is horn-like opening in the direction towards moving sliding door.When moving sliding door 6, drawn while moving on to certain position, as final position, just fixture 3 ' on the inside extension of bolt 19 snap in the horn-like opening of holder 7 and be held, now, moving pulls 6 just is held and is not moved.When will be at closing time, the horn-like opening direction towards holder pulls by door only to need manpower, under the elastic force effect of draw-gear 2 wind springs, moves sliding door and just automatically closes.In moving the process of closing of pulling, when being arranged in the magnet 22 while contacting with the metalwork of piston rod 11 ends of buffer that moves sliding door fixture 3 ' top, thereby promoting piston rod 11 moves toward moving the direction of closing of pulling, long tubular body 8 interior air are discharged gradually from pore 12 simultaneously, play damping action, the translational speed of moving door is slowed down until close.When unlatching moves sliding door, fixture 3 ' on the magnet 22 adhesives piston rod 11 of buffer move together, when piston rod moves to extreme position, piston rod 11 just break away from fixture 3 ' on the adhesive of magnet 22, the resistance that moving pulls overcomes draw-gear 2 wind springs under the effect of external force continues, toward moving right, until be held part 7, to grip.Move when sliding door closing, originally door only is subject to the spring tension of draw-gear, and buffer does not produce resistance to it; When door slides into certain position, fixture 3 ' on magnet 22 with the end of the piston rod 11 of buffer, contact and adhesive, door just is subject to the cushion effect contrary with moving direction that buffer imposes on, and the translational speed of door is reduced.

Move the sliding door fixture 3,3 ' on also be provided with the bolt 21 that prevents that roller from de-orbiting.Below the track 20 of described guide rail 5, be positioned at moving sliding door open destination county be provided with can with move sliding door fixture 3 ' contacted retainer 25, can avoid when door capable of being opened because of firmly excessive, cause to move and pull and the damage of accessory.For preventing that dust and foul from invading, be fixed with outer cover 24 in the outside of described guide rail 5, by draw-gear 2 and buffer 1 cover cap therein.

Claims

1. one kind is moved sliding door traction and buffer, include draw-gear (2) and buffer (1), it is characterized in that: draw-gear comprises housing (27), rotating shaft (15) and reel (16), described rotating shaft is supported in housing actively, one end of wind spring (14) is fixed in described rotating shaft, the other end of wind spring is fixed on reel (16), the external surface of reel (16) is fixed wtih an end of pull rope (17), the extended housing of the other end of pull rope (27), described buffer (1) includes long tubular body (8) and piston rod (11), one end of piston rod is piston (9), the external surface of described piston matches with the surface of internal cavity of long tubular body, the inner chamber bottom of long tubular body is provided with the pore (12) with exterior.

2. the sliding door that moves according to claim 1 draws and buffer, it is characterized in that: the pull rope (17) that described draw-gear (2) stretches out can be fixed on the fixture (3) that moves the close end of sliding door, the installation site of described draw-gear should guarantee to move sliding door when pulling open, wind spring is in deflated state gradually, the piston of described buffer is provided with sealing ring (10), and the relative other end that is provided with sealing ring one end at piston rod can contact with the fixture that is fixed on the moving door other end (3 ').

3. the sliding door that moves according to claim 1 and 2 draws and buffer, it is characterized in that: the described lower end of moving the sliding door fixture is provided with bolt for part (19) that can be substantially vertical with moving the ，Yu Gai plane, plane that is fixedly connected with, sliding door upper end and is supported with a rotating roller (4).

4. the sliding door that moves according to claim 3 draws and buffer, it is characterized in that: can be provided with magnet (22) with the upper end of the buffer piston rod one contacted moving door fixture of end (3 '), this magnet can contact with the metalwork of described piston rod end.

5. the sliding door that moves according to claim 1 and 2 draws and buffer, it is characterized in that: described draw-gear and buffer all are fixed on the end face of guide rail (5), and the roller (4) moved on the sliding door fixture matches with the track (20) that is approximately perpendicular to described guide rail end surface.

6. the sliding door that moves according to claim 5 draws and buffer, it is characterized in that: also be fixed with holder (7) at the end face of guide rail and moving the direction that sliding door opens, described holder is made with elastomeric material and is horn-like opening in the direction towards moving sliding door.

7. the sliding door that moves according to claim 1 and 2 draws and buffer, and it is characterized in that: the inner chamber bottom of the long tubular body (8) of buffer also is provided with the control valve (13) of adjustable solar term hole size.

8. sliding door traction and the buffer of moving according to claim 3, is characterized in that: described moving on sliding door fixture (3,3 '), also be provided with the bolt (21) that prevents roller and de-orbit.

9. sliding door traction and the buffer of moving according to claim 8 is characterized in that: in track (20) below of described guide rail, be positioned at moving sliding door open destination county be provided with can with move the sliding door contacted retainer of fixture (3 ') (25).

10. sliding door traction and the buffer of moving according to claim 5 is characterized in that: be fixed with outer cover (24) in the outside of described guide rail (5), by draw-gear and buffer cover cap therein.