CN205955551U

CN205955551U - But self -closing's push -and -pull door

Info

Publication number: CN205955551U
Application number: CN201620965351.0U
Authority: CN
Inventors: 任海章; 王奉钦
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-29
Filing date: 2016-08-29
Publication date: 2017-02-15
Anticipated expiration: 2026-08-29

Abstract

The utility model discloses a but self -closing's push -and -pull door, including the door frame, the bottom fixed mounting of the inner wall of door frame has first slide rail, the top fixedly connected with base of first slide rail, the top fixedly connected with sleeve of base, sliding connection has the piston in the sleeve, the top fixedly connected with movable rod of piston, the one end of movable rod runs through telescopic top and the bottom of fixed connection at the pulling force hammer. The utility model discloses a set up the pulling force hammer, the sleeve, a piston, the movable rod, the hawser, the rolle, first pulley and second pulley etc, when pulling push -and -pull door, the pulling force hammer is followed the hawser and is risen, when the staff leaves the push -and -pull door, because automatic decline of the action of gravity meeting of pulling force hammer drives push -and -pull door self -closing, set up movable rod and piston, the pulling force hammer can promote the piston when descending and remove, utilize the frictional force and the aerodynamic drag of piston and sleeve wall, slow down the falling speed of pulling force hammer, reach the effect that makes the push -and -pull door at the uniform velocity close.

Description

A kind of sliding door being automatically switched off

Technical field

This utility model is related to sliding door technical field, specially a kind of sliding door being automatically switched off.

Background technology

The species of door is various, has revolving door, sliding door and folding door etc., different doors has different uses, push-and-pull The advantage of door is save space, and the sliding door often having in the market typically all manually opens and closes, the pushing away of minority Sliding door also has the function being automatically switched off, but this have the sliding door being automatically switched off during closing, because it draws Power hammer acceleration of gravity the reason, lead to its speed closed the door be not at the uniform velocity but accelerate close the door, this results in people and exists Sometimes have little time when enabling to step out threshold and just clamped by sliding door, and because the acceleration of sliding door leads to greatly sliding door Meeting knocking door case when closing, damages doorframe when serious.

Utility model content

The purpose of this utility model is to provide a kind of sliding door being automatically switched off, and possesses the excellent of automatic uniform speed closing Point, solves the problems, such as that existing sliding door can not at the uniform velocity closing.

For achieving the above object, this utility model provides following technical scheme：A kind of sliding door being automatically switched off, including Doorframe, the bottom of the inwall of described doorframe is installed with the first slide rail, and the top of described first slide rail is fixedly connected with base, The top of described base is fixedly connected with sleeve, slidably connects piston in described sleeve, and the top of described piston is fixedly connected There is motion bar, one end of described motion bar is run through the top of sleeve and is fixedly connected on the bottom of pulling force hammer, described pulling force hammer Top is fixedly connected with hawser, and the top of described doorframe inwall is disposed with first support and second support, institute from left to right State and first pulley and second pulley are installed with respectively on first support and second support, one end of described hawser sequentially passes through First pulley is fixedly connected with second pulley and with the top of the lock outside second pulley, and the bottom of described lock is fixedly connected on The top of door-plate, the top of described door-plate and the both sides of bottom are provided with link, and described link is movably installed with rolling Wheel, the roller-coaster at described door-plate top is connected to the bottom of the second slide rail, and the side of described second slide rail is fixedly connected on door The top of frame, the roller-coaster of described door-plate bottom is connected to the top of the first slide rail.

Preferably, the inwall on the right side of described doorframe is installed with matrix Magnet, described door-plate is just to matrix Magnet Position is installed with convex Magnet.

Preferably, the inwall on the right side of described doorframe is installed with two springs, and two springs are located at matrix Magnet Both sides up and down.

Preferably, the bottom of described sleeve offers through hole, and described through hole is provided with dust cover, described motion bar and set The junction of cylinder is provided with sealing ring.

Preferably, the inwall on the left of described doorframe is installed with fixed cover, described hawser runs through the upper and lower of fixed cover Both sides simultaneously extend to outside fixed cover.

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

1st, this utility model passes through to arrange pulling force hammer, sleeve, piston, motion bar, hawser, roller, first pulley and second Pulley etc., when pulling sliding door, pulling force hammer can be followed hawser and be risen, when staff leaves sliding door, due to the weight of pulling force hammer Power effect can automatically decline drive sliding door and be automatically switched off, and arrange motion bar and piston, and pulling force hammer can promote piston to move when declining Dynamic, using frictional force and the air drag of piston and sleeve wall, slow down the decrease speed of pulling force hammer, reached and made sliding door even The effect that speed is closed.

2nd, this utility model passes through to arrange spring, matrix Magnet and convex Magnet, passes through bullet when sliding door is closed Spring can play cushioning effect, it is to avoid impact force is excessive, by matrix Magnet and convex Magnet, can live push-and-pull with active adsorption Door, it is to avoid close the door not tight, reaches to reduce and clashes into and close tight effect.

Brief description

Fig. 1 is this utility model structural representation；

Fig. 2 is this utility model tube-in-tube structure cross sectional plan view.

In figure：1 doorframe, 2 first slide rails, 3 bases, 4 sleeves, 5 pistons, 6 motion bars, 7 pulling force hammers, 8 hawsers, 9 first cunnings Wheel, 10 second pulley, 11 first supports, 12 second supports, 13 second slide rails, 14 locks, 15 door-plates, 16 convex Magnet, 17 recessed Type Magnet, 18 springs, 19 links, 20 rollers, 21 dust covers, 22 sealing rings, 23 fixed covers, 24 through holes.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole realities Apply example.Based on the embodiment in this utility model, those of ordinary skill in the art institute under the premise of not making creative work The every other embodiment obtaining, broadly falls into the scope of this utility model protection.

Refer to Fig. 1-2, this utility model provides a kind of technical scheme：A kind of sliding door being automatically switched off, including door Frame 1, the bottom of the inwall of doorframe 1 is installed with the first slide rail 2, and the top of the first slide rail 2 is fixedly connected with base 3, base 3 Top be fixedly connected with sleeve 4, slidably connect piston 5 in sleeve 4, piston 5 can move in sleeve 4, the top of piston 5 Portion is fixedly connected with motion bar 6, and motion bar 6 can carry piston 5 to move up and down, and the bottom of sleeve 4 offers through hole 24, opens up Through hole 24, when pulling force hammer 7 rises, sleeve 4 sucks air by through hole 24, produces suction at through hole 24, makes pulling force hammer 7 into shape even Speed rises, and when pulling force hammer 7 declines, motion bar 6 band piston 5 moves down in sleeve 4 and compressed air makes air from through hole 24 Discharge, using frictional resistance and the air drag of piston 5 and sleeve 4, force pulling force hammer 7 at the uniform velocity to move down, through hole 24 is provided with Dust cover 21, dust cover 21 plays the effect preventing dust from entering in sleeve 4, and the junction of motion bar 6 and sleeve 4 is provided with close Seal 22, sealing ring 22 plays the effect of sealing, and one end of motion bar 6 is run through the top of sleeve 4 and is fixedly connected on pulling force hammer 7 Bottom, pulling force hammer 7 top be fixedly connected with hawser 8, the top of doorframe 1 inwall is disposed with first support from left to right 11 and second support 12, first support 11 and second support 12 are installed with first pulley 9 and second pulley 10, cable respectively One end of rope 8 sequentially passes through first pulley 9 and is fixedly connected with second pulley 10 and with the top of the lock 14 outside second pulley 10, The bottom of lock 14 is fixedly connected on the top of door-plate 15, pulls door-plate 15 to drive hawser 8 mobile, and passes through first pulley 9 He The guiding of second pulley 10, thus driving pulling force hammer 7 mobile, unclamps door-plate 15, pulling force hammers 7 into shape due to action of gravity automatic fall-back, Thus reaching the effect being automatically switched off, the weight of pulling force hammer 7, between two kilograms to four kilograms, is easy to people and is pulled, hawser 8 is Draw high greatly the distance that distance is less than door-plate 15 left hand edge to doorframe 1, the height of sleeve 4 draws high distance more than the maximum of hawser 8, prevents Only the top of sleeve 4 encountered by pulling force hammer 7, the inwall in doorframe 1 left side is installed with fixed cover 23, hawser 8 runs through fixed cover 23 both sides up and down simultaneously extend to outside fixed cover 23, arrange fixed cover 23, and allow hawser 8 pass through fixed cover 23, can prevent cable Rope 8 is run helter-skelter during movement, and the top of door-plate 15 and the both sides of bottom are provided with link 19, activity on link 19 Roller 20 is installed, roller 20 is easy to door-plate 15 and is moved, and the roller 20 at door-plate 15 top is slidably connected at the bottom of the second slide rail 13 Portion, the side of the second slide rail 13 is fixedly connected on the top of doorframe 1, and the roller 20 of door-plate 15 bottom is slidably connected at the first slide rail 2 top, the inwall on doorframe 1 right side is installed with matrix Magnet 17, door-plate 15 is just fixed to the position of matrix Magnet 17 Convex Magnet 16 is installed, by the cooperation of convex Magnet 16 and matrix Magnet 17, can effectively adsorb door-plate 15, prevent door Plate 15 is closed the door not tight, the inwall on doorframe 1 right side is installed with two springs 18, and two springs 18 are located at matrix Magnet 17 both sides up and down, arrange spring 18, prevent door-plate 15 knocking door case 1, play the effect of damping.

Operation principle：This sliding door that can be automatically switched off, is moved by pulling door-plate 15 to drive on hawser 8, thus drive drawing Power hammer 7 rising, when pulling force hammer 7 rises, sleeve 4 sucks air by through hole 24, produces suction at through hole 24, so that pulling force is hammered into shape 7 at the uniform velocity rise, and unclamp arm-tie 15, and pulling force hammer 7, due to action of gravity automatic fall-back, drives door-plate 15 to close, pulling force hammer 7 decline When, motion bar 6 band piston 5 moves down in sleeve 4 and compressed air makes air discharge from through hole 24, using piston 5 and sleeve 4 Frictional resistance and air drag, force pulling force hammer 7 at the uniform velocity to move down.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of sliding door being automatically switched off, including doorframe（1）It is characterised in that：Described doorframe（1）Inwall bottom solid Dingan County is equipped with the first slide rail（2）, described first slide rail（2）Top be fixedly connected with base（3）, described base（3）Top It is fixedly connected with sleeve（4）, described sleeve（4）Inside slidably connect piston（5）, described piston（5）Top be fixedly connected with Motion bar（6）, described motion bar（6）One end run through sleeve（4）Top and be fixedly connected on pulling force hammer（7）Bottom, institute State pulling force hammer（7）Top be fixedly connected with hawser（8）, described doorframe（1）The top of inwall is disposed with from left to right One support（11）And second support（12）, described first support（11）And second support（12）It is upper that to be installed with first respectively sliding Wheel（9）And second pulley（10）, described hawser（8）One end sequentially pass through first pulley（9）And second pulley（10）And with Two pulleys（10）Outer lock（14）Top be fixedly connected, described lock（14）Bottom be fixedly connected on door-plate（15）Top Portion, described door-plate（15）Top and the both sides of bottom be provided with link（19）, described link（19）Upper activity is installed There is roller（20）, described door-plate（15）The roller at top（20）It is slidably connected at the second slide rail（13）Bottom, described second is sliding Rail（13）Side be fixedly connected on doorframe（1）Top, described door-plate（15）The roller of bottom（20）It is slidably connected at first Slide rail（2）Top.

2. a kind of sliding door being automatically switched off according to claim 1 it is characterised in that：Described doorframe（1）Right side Matrix Magnet is installed with inwall（17）, described door-plate（15）Just to matrix Magnet（17）Position be installed with convex Magnet（16）.

3. a kind of sliding door being automatically switched off according to claim 1 and 2 it is characterised in that：Described doorframe（1）Right side Inwall on be installed with two springs（18）, and two springs（18）Positioned at matrix Magnet（17）Both sides up and down.

4. a kind of sliding door being automatically switched off according to claim 1 it is characterised in that：Described sleeve（4）Bottom Offer through hole（24）, described through hole（24）On be provided with dust cover（21）, described motion bar（6）With sleeve（4）Junction It is provided with sealing ring（22）.

5. a kind of sliding door being automatically switched off according to claim 1 it is characterised in that：Described doorframe（1）Left side Fixed cover is installed with inwall（23）, described hawser（8）Run through fixed cover（23）Both sides up and down and extend to fixed cover （23）Outward.