CN2139163Y

CN2139163Y - Improved concealed structure of door closer with buffering effect

Info

Publication number: CN2139163Y
Application number: CN 92239521
Authority: CN
Inventors: 张文卿
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-10-30
Filing date: 1992-10-30
Publication date: 1993-07-28
Anticipated expiration: 2002-10-30

Abstract

The utility model provides an improved concealed structure of a door closer with a buffering effect, mainly comprising a spring and a pulley arranged in a moveable base. The pulley can roll in a slideway, the space arranged under the moveable base is provided with a pneumatic cylinder, and the connecting rod of the pneumatic cylinder can support the latch of the pulley. When a door panel is closed, the buffering effect and the hiding function can be realized, the safety is improved, the service life of the door panel is extended, and the manufacturing cost is reduced.

Description

Improved concealed structure of door closer with buffering effect

The utility model provides a kind of improvement structure of concealed buffering effect door closer, mainly in sliding seat, establish a spring and pulley, and pulley can be rolled in slideway, the sliding seat below has a space, the mid-pneumatic cylinder in this space, the connecting rod of this cylinder can support the latch of pulley, and it is fashionable that door-plate is closed, hide effect with the effect that can reach buffering by said structure and tool, and then increase safety, improve the door-plate life-span, reduce cost.

Employed door-plate in the family, big or careless slightly at closing time when running into wind, tend to cause a kind of consequence, promptly door-plate " bang " one, this not only causes the damage of door-plate easily, reduce its life-span, if door-plate is to land the aluminium door and window type, then the glass on the door-plate must be incoherent, can bring unexpected storms, sometimes even close to such an extent that be pressed onto child's trick too soon accidentally, so door apparatus tool buffering effect door closer is very important because of door closes.

As shown in Figure 6: be the stereogram of No. 76212001 " bidirectional buffering door closer " patent case of the Republic of China, this scheme is connected with the first buffering pump A1, second a buffering pump A2 and the cantilever A3, therefore seem very heavy, shared volume is big, be repugnant to the eye, have a strong impact on the overall appearance of door-plate, in addition it uses two buffering pumps, and its manufacturing cost is greatly improved.

In view of this, this case inventor is according to being engaged in the experience that specialty is made, developmental research in detail, through test with keen determination for many years, the utility model is born, and primary and foremost purpose is to provide a kind of improvement structure of concealed buffering effect door closer, and it is fashionable that door-plate is closed, the effect that reaches buffering reaches the effect of hiding, increase safety, raising door-plate life-span, reduces cost.

Another purpose of the present utility model is the combination of hinge and snubber, must not purchase snubber in addition and increase the cost of installing.

A kind of improvement structure of concealed buffering effect door closer, formed by a wall seat, a sliding seat, one group of fixed head, it is characterized in that, the affixed arcuation in appropriate location on the wall seat, there are the stop block of a pin hole in central authorities, the circular-arc projection of appropriate location affixed below stop block, this projection excavates a pin hole in home position, is provided with the slideway that pulley base is slided up and down in outer rim; A cylindric open-work is down excavated in described sliding seat top, the top is provided with the screw thread of suitable length in the open-work, shape is respectively clipped in both sides, open-work below, making this open-work below is a hollow form, offering an oval open-work and open-work below the dorsal part of sliding seat runs through, pulley base, spring, the thread cap places in the open-work, the sliding seat below is offered a cylinder open-work from lower to upper, this cylinder open-work below is provided with the screw thread of suitable length, pneumatic cylinder, the thread cap places in the cylinder open-work, offer a bleeder port corresponding to screw position, up extend again in cylinder open-work center one with the corresponding elongate cylinder open-work of nose bar of pneumatic cylinder, the nose bar top car of this pneumatic cylinder has screw thread; Fixed head is used as the usefulness of affixed sliding seat and door-plate, and wherein, pulley can roll in slideway, and the connecting rod of pneumatic cylinder can support the latch of pulley, when making the door-plate folding, can reach buffering effect with said structure and hide effect, and then increase safety, raising door-plate life-span.

Fig. 1 is a stereogram of the present utility model.

Fig. 2 is an exploded view of the present utility model.

Fig. 3 is a fragmentary cross-sectional view of the present utility model.

Top view when Fig. 4 is the utility model action.

Fig. 5 is an enforcement illustration of the present utility model.

Fig. 6 is the stereogram of the bidirectional buffering door closer of prior art.

Below, conjunction with figs. is enumerated a specific embodiment, introduces structure content of the present utility model in detail, and the function and benefit that can reach.

As shown in Figure 2, it is a kind of improvement structure of the present utility model with buffering effect door closer, comprise a wall seat 1, one sliding seat 2, one group of fixed head 3, wall seat 1 is a rectangle plane, respectively offer four open-works 131 that can be screwed together in doorframe in both sides up and down, 132,133, (another open-work is not shown in the figures), an also in position affixed arcuation, there is the stop block 12 of a pin hole 121 in central authorities, the circular-arc projection 14 of appropriate location affixed below stop block 12, this projection is opened a pin hole 145 at home position, be provided with the slideway 141 that pulley base is slided up and down at the outer rim place, slideway central authorities and both sides are provided with intermittently groove 142,143,144; This sliding seat 2 is down excavated a cylindric open-work 21 in the top, the top in this open-work 21 is provided with the screw thread 213 of suitable length, and respectively clip both sides, open-work 21 below Shape 22, making this open-work below is a hollow form, an oval open-work 24 is offered in the dorsal part below of sliding seat and open-work 21 runs through, the sliding seat below is offered a cylindric open-work 27(from lower to upper and is seen also shown in Fig. 3), these open-work 27 belows are provided with the screw thread 273 of suitable length, offer a bleeder port 272 corresponding to screw thread 273 positions, the air feed cylinder pressure loses heart and uses, cylindric open-work 27 centers up extend again one with the nose bar 41 corresponding elongate cylinder open-works 271 of pneumatic cylinder 4, sliding seat 2 is also extended two projections 25 up and down outward, 26, and at projection 25,26 excavations and latch 7 corresponding pin holes 251,262, pulley base 5, spring 6, thread cap 28 places in the open-work 21, pneumatic cylinder 4, thread cap 29 places in the open-work 27, is with two O type rings on the pneumatic cylinder 4, and wherein the nose bar 41 top cars of pneumatic cylinder 4 have screw thread 410; Fixed head 3 is made up of two

irregular blades

31,32, and this fixed head is as affixed sliding seat 2 and door-plate, and wherein the door-plate place is a breach of

clipping stop block

12 and 14 length of projection; bore two open-works behind the breach; can be affixed, the protection domain that this non-the utility model is applied for is so will not describe in detail.

Its combination is wall seat 1 and sliding seat 2 to be plugged together four pin holes 251,121,145,262 with latch 7 fixing, pulley base is inserted in the open-work 21 again, passes through with pulley 52 again Type 22 and pulley base below

The combination of type groove, and plug together open-work 54 in the pulley base lower side with latch 541, pulley 52 is contacted with slideway 141, spring 6 is inserted around the nose bar of pulley base 5 again, thread cap 28 is screwed together in the set screw thread in top in the open-work 21, pneumatic cylinder 4 is inserted earlier in the cylindric open-work 27 of sliding seat 2 belows, make the screw thread 410 on the nose bar 41 can screw togather latch 541, and be screwed together in the screw thread of cylindric open-work 27 belows with thread cap 29, thread cap 29 can be adjusted the size of bleeder port, with said structure combination back (as shown in fig. 1), can be with the open-work on the wall seat 131,132,133, another does not show, be screwed together on the doorframe 9, again with two irregular blades 31 of fixed head 3,32 fixing hole 311,312 screw togather the fixedly fixing hole 252 of sliding seat 2,263 both sides, again with fixed head 31, door-plate hole 313 on 32,314,323,324 with door-plate 8 screw togather fixing, the effect of produce hiding, situation as shown in Figure 5.

As shown in Figure 4, when pulley 52 rolls in slideway 141 from top to bottom (closing the door), because of slideway 141 tilts, the spring 6 of pulley base 5 tops is tension and relaxation gradually, but make pulley 52 rolls downward, therefore as long as one push away gently, door-plate is shut automatically, but for preventing that because of slideway 141 tilts to cause spring 6 tension and relaxation too fast so establish a pneumatic cylinder 4, its nose bar 41 screws togather with the latch 541 of pulley 52, so can utilize pneumatic cylinder 4 to produce bounce-back presses, and make up support latch 541 and prevent that spring 6 tension and relaxation are too fast of nose bar 41, reach buffering effect, in slideway 141 groove at default intermittence 144, promptly stop to roll again, and door-plate shut, this moment, pneumatic cylinder 4 inner airs were stressed, and gas is discharged from bleeder port 272.

When pulley 52 (opens the door) when slideway 141 up rolls, utilize the inclination of slideway 141, spring 6 is by compression and the effect of pneumatic cylinder 4 and produce buffering effect.

The utility model is because of being provided with intermittently groove 142,143 in the slideway both sides, therefore can do 180 ° and open the door fixingly, and as shown in Figure 4, the utility model fixedly screws togather door-plate and sliding seat 2 with fixed head 3 in addition, and is elegant in appearance after therefore making up with door-plate.

The utility model meets the novelty of novel patent fully, practical condition, and really reached the benefit that will promote, and file an application in accordance with the law, earnestly ask the detailed examination of giving.

(figure number explanation)

1 ... the wall seat

12 ... stop block 121 ... pin hole

131,132,133 ... open-work

14 ... projection 141 ... slideway

142,143,144 ... groove 145 intermittently ... pin hole

2 ... the movable friendship

21 ... open-work 213 ... screw thread

22

Type

24 ... open-work

25 ... projection 251 ... pin hole 252 ... fixing hole

26 ... projection 262 ... pin hole 263 ... fixing hole

27 ... cylinder open-work 271 ... open-work 272 ... bleeder port

273 ... screw thread

28,29 ... the thread cap

3 ... fixed

head

31,32 ... irregular blade

311,312 ... fixing hole

313,3141,323,324 ... the door-plate hole

4 ... pneumatic cylinder 41 ... nose bar 410 ... screw thread

5 ... pulley base 52 ... pulley 51 ... nose bar

53 Type groove 54 ... open-work 541 ... latch

6 ... spring

7 ... pin is inserted

8 ... door-plate

9 ... doorframe

B ... screw

Claims

A kind of improvement structure of concealed buffering effect door closer, formed by a wall seat, a sliding seat, one group of fixed head, it is characterized in that, the affixed arcuation in appropriate location on the wall seat, there are the stop block of a pin hole in central authorities, the circular-arc projection of appropriate location affixed below stop block, this projection excavates a pin hole in home position, is provided with the slideway that pulley base is slided up and down in outer rim; A cylindric open-work is down excavated in described sliding seat top, the top is provided with the screw thread of suitable length in the open-work, ⌒ shape is respectively clipped in both sides, open-work below, making this open-work below is a hollow form, offering an oval open-work and open-work below the dorsal part of sliding seat runs through, pulley base, spring, the thread cap places in the open-work, the sliding seat below is offered a cylinder open-work from lower to upper, this cylinder open-work below is provided with the screw thread of suitable length, pneumatic cylinder, the thread cap places in the cylinder open-work, offer a bleeder port corresponding to screw position, up extend again in cylinder open-work center one with the corresponding elongate cylinder open-work of nose bar of pneumatic cylinder, the nose bar top car of this pneumatic cylinder has screw thread; Fixed head is used as the usefulness of affixed sliding seat and door-plate, and wherein, pulley can roll in slideway, and the connecting rod of pneumatic cylinder can support the latch of pulley, when making the door-plate folding, can reach buffering effect with said structure and hide effect, and then increase safety, raising door-plate life-span.