CN2603174Y

CN2603174Y - Door closing device

Info

Publication number: CN2603174Y
Application number: CN 02257759
Authority: CN
Inventors: 林武雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-10-11
Filing date: 2002-10-11
Publication date: 2004-02-11
Anticipated expiration: 2012-10-11

Abstract

The utility model discloses a door close machine. A buffering element is installed inside the base which is a rubber ring that positions the principle shaft of the buffering element by an accommodation nest and which is applied to improve the overall damping stability. The two ends of the principle shaft extend out of the base with stud shafts so that the utility model can be turned upside down at anytime when needed. Furthermore, an elastic unit is installed inside base in one of the croze of the buffering element. The elastic unit is provided with a shell around and circumference of the shell is provided with a plurality of adjusting holes that is arranged in a ring shape. The base is provided with slot at the place corresponds to the adjusting holes for the bolt to be pair with the adjusting holes and for the changes of the bolt positions so as to control the preset elastic force of the elastic unit to the buffering element. One end of the principle shaft and the corresponding place of the outside cover of the base are provided with a localizer to provide localization status control for the buffering element.

Description

A kind of door closer

Technical field

The utility model is that to relax door leaf involutory in the door closer of doorframe active force about a kind of.

Background technology

The tradition door closer is that to be to relax door leaf involutory in the active force of doorframe, and door closer can generally divide and has two kinds, a kind of is oil hydraulic type, kind is mechanical type in addition, these two kinds respectively have pluses and minuses, be oil hydraulic type the stable and stressed big advantage of action is arranged but have shortcoming that easy leakage of oil is arranged when reciprocating action fast (because of oil incompressible, very easily at moment counteragent time compressing leak-proof gasket), and mechanical reciprocating action is fast arranged, but the instability of action and the little shortcoming of holding capacity are arranged.

The utility model content

The purpose of this utility model provides a kind of stable, stressed big and mechanical type door closer of reciprocating action fast that moves.

For achieving the above object, solution of the present utility model is: a kind of door closer, and it comprises: pedestal is provided with endoporus, and pedestal is provided with to the outstanding resistance rib of endoporus direction; One main shaft is arranged in this endoporus rotationally, and it includes two stud shafts and stretches out respectively outside the pedestal two ends; The resistance rib scarf of this pedestal has ring, and ring remains between main shaft and the pedestal, and main shaft is provided with breach in relative resistance rib position in addition; One Flexible element is arranged between main shaft and the pedestal.

Described pedestal periphery radially is provided with draw-in groove in the position, and stud shaft is provided with Flexible element, this Flexible element periphery is installed with housing, this housing periphery ring-type is provided with one group and adjusts the hole, this adjustment hole is corresponding with draw-in groove, adjust the hole and then plugged together pin in the draw-in groove scope, pin resists in draw-in groove one and brings in the location Flexible element.

Described main shaft is concaved with cell body, this cell body is just corresponding with the resistance rib, and rib is concaved with one group of circular-arc ccontaining nest in the position vertically, and make the periphery of rubbery toroidal ring can be involutory closely in the ccontaining nest of corresponding resistance rib, and the slightly outstanding main shaft of the periphery that makes rubbery toroidal ring and involutory closely in the ccontaining nest of corresponding resistance rib, and at rubbery toroidal ring periphery coating olein.

Described Flexible element mainly in housing group be provided with the round shell fragment and constitute, this place, round shell fragment axle center medial extremity then is equipped in the default croze of stud shaft, and round shell fragment outboard end is provided with housing, this housing peripheral ring is provided with one group of adjustment hole.

Be provided with location structure between described main shaft end face and enclosing cover, this location structure mainly is concaved with two containing holes at main shaft end face five equilibrium, be provided with spring in this two containing hole, the spring outer end is supported and is provided with steel ball, make steel ball give prominence to the main shaft end face, and be provided with in the enclosing cover two five equilibriums location edge, and form the twice guide channel, this two location edge just can provide steel ball spacing, to control the location of door leaf open and close respectively.

After adopting such scheme, because it is organized in pedestal and establishes buffer element, this pedestal, buffer element are combined with ccontaining nest, rubbery toroidal ring at relative position, and be provided with the face that scabbles that can contract for ring strength in the main shaft both sides, and the main shaft two ends stretch out pedestal with stud shaft, make the utility model can turn upside down for forward and backward and use; In addition, the utility model buffer element one croze is organized in pedestal and is provided with Flexible element, it is relative with the pedestal draw-in groove that the housing periphery ring-type of this Flexible element is adjusted the hole, in order to pin mat involutory adjustment hole and draw-in groove change in location, come the default elastic force of control chart shape shell fragment, to reach the advantage that need not special tool(s) can conveniently adjust to buffer element; Moreover its pedestal, buffer element are combined with ccontaining nest, rubbery toroidal ring at relative position with " axially reaching radially " position, make the novel Da Fu of this reality promote the damping lifting surface area, and then promote the action degree of stability of overall structure.

Therefore the main characteristic of structure of the present utility model have three: one, can be simultaneously for just, reverse use; Two, adjust back stretch easily; Three, the buffer element action is stable.

Description of drawings

Graphic part:

Fig. 1 is a decomposing schematic representation of the present utility model;

Fig. 2 is a schematic perspective view of the present utility model;

Fig. 3 is a generalized section of the present utility model;

Fig. 4 is the utility model embodiment schematic diagram;

Fig. 5 is that the utility model is involutory in the radial section schematic diagram of door leaf at door leaf;

Fig. 6 is that the utility model is involutory in the location structure schematic diagram of door leaf at door leaf;

Fig. 7 is the utility model leaves door leaf at door leaf a radial section schematic diagram;

Fig. 8 is the utility model leaves door leaf at door leaf a location structure schematic diagram;

Fig. 9 is another embodiment schematic diagram of the present utility model;

Figure 10 is an adjustment schematic diagram of the present utility model.

The figure number part:

1 connection rod set

10 pedestals, 100 fit portions

11 holders, 110 through holes

12 endoporus, 13,14 enclosing covers

130,140 perforation, 15 resistance ribs

150 ccontaining nest 16 draw-in grooves

160 decorative covers 161 support edge

20 buffer elements, 21 main shafts

211 cell bodies, 212 breach

22 stud shafts, 221 crozes

23 stud shafts, 24 screws

241 scabble face 25 rings

30 Flexible elements, 31 housings

310 through holes, 311 edge clippings

312 adjust hole 32 round shell fragments

321 outboard ends, 322 medial extremitys

33 make pin

41 containing holes, 42 springs

43,44 steel balls, 45,46 location edges

47,48 guide channels

51 bolts, 52 decorations pieces

The specific embodiment

Please referring to shown in Fig. 1, Fig. 2 and 3, the utility model mainly is made up of pedestal 10, buffer element 20, Flexible element 30, positioning unit;

Pedestal 10 is provided with holder 11 in a side, and this holder 11 is provided with some through holes 110, pedestal 10 is mounted on door leaf or doorframe appropriate location for bolt pierces;

Hole 12 within pedestal 10 is provided with and vertically runs through, this endoporus about in the of 12 two ends then respectively with enclosing

cover

13,14 involutory sealings, its pedestal 10 mainly is provided with fit portion 100 at periphery two ora terminalis up and down, this fit portion 100 just can closely cooperate for enclosing

cover

13,14, and enclosing

cover

13,14 then is provided with perforation 130,140 in relative pedestal 10 endoporus 12 centers;

Pedestal 10 is provided with to the outstanding resistance rib 15 of endoporus 12 directions at upper limb in addition, and this resistance rib 15 position vertically is concaved with some circular-arc ccontaining nests 150;

Pedestal 10 radially is provided with draw-in groove 16 in the position in the lower edge periphery, and this draw-in groove 16 can supply the involutory to edge 161 of a decorative cover 160, so that this draw-in groove 16 is closed, makes pedestal 10 have an integral outer appearance;

Group is provided with buffer element 20 in the pedestal 10, buffer element 20 main tools are provided with stud shaft 22,23 one than endoporus 12 smaller main shaft 21, these main shaft 21 two ends, its stud shaft 22,23 can run through 13,14 perforation 130,140, make the screw 24 of stud shaft 22,23 and scabble face 241 and can stretch out pedestal respectively about in the of 10 two ends, come to establish, so that the active force that relaxes the involutory doorframe of door leaf to be provided for connection rod set 1 lock of Fig. 4; Main shaft 21 is concaved with cell body 211 at the position, stage casing, this cell body 211 is just corresponding with resistance rib 15, then can be in the cell body 211 for number rubbery toroidal ring 25 fit arranged side by side location, and the slightly outstanding main shaft 21 of the periphery that makes rubbery toroidal ring 25, and then make each rubbery toroidal ring 25 just can be involutory closely in corresponding resistance rib 15 ccontaining nests 150, as shown in Figure 7, to reach axially and the effect of radial location buffer element 20, and rubbery toroidal ring 25 peripheries coating olein, with the damping effectiveness that provides buffer element 20 in pedestal 10, to rotate, and cooperate ccontaining nest 150 to contact with the large tracts of land that rubbery toroidal ring 25 axially reaches radially, with when brute force is rotated buffer element 20, the deceleration that this buffer element 20 can be stable is rotated; And main shaft 21 is provided with breach 212 in relative resistance rib 15 positions, these breach 212 degree of depth are to surpass cell body 211 bottoms, to provide door leaf before the involutory doorframe of desire, when this rubber ring Figure 25 contracts in breach 212 bearing 15 compressings of resistance rib, as shown in Figure 5, what door leaf can slightly quicken enters in the doorframe, can insert smoothly in the doorframe in order to the block tongue of door leaf;

Buffer element 20 is provided with croze 221 in a stud shaft 22, and this croze 221 is organized in pedestal 10 and is provided with Flexible element 30; This Flexible element 30 is main to be organized housing 31 in and is provided with the two round shell fragments 32 that splice and constitutes, its housing 31 is provided with a through hole 310 that can supply stud shaft 22 to run through, and round shell fragment 32 outboard ends 321 are to be equipped in edge clipping 311,322 of the medial extremitys in place, round shell fragment 32 axle center can be equipped in the croze 221, make Flexible element 30 can with buffering element 20 one interlocks, and housing 31 peripheral rings are provided with some adjustment hole 312, this adjustment hole 312 is corresponding with draw-in groove 16, adjust hole 312 and in draw-in groove 16 scopes, then plugged together a pin 33, pin 33 must be resisted in draw-in groove 16 1 ends, so that appropriate round shell fragment 32 location to be provided;

Its main shaft 21 end faces and 13 of enclosing covers are provided with location structure, this location structure mainly is concaved with two containing holes 41 at main shaft 21 end face five equilibriums, be provided with spring 42 in this two containing hole 41, spring 42 outer ends are supported and are provided with steel ball 43,44, make steel ball 43,44 outstanding main shaft 21 end faces, and enclosing cover 13 is concaved with the location edge 45 of two branches such as grade from top to bottom, 46, in order to do being separated out twice arc guide channel 47 at enclosing cover 13 inner regions, 48, this location edge 45,46 just can provide steel ball 43,44 is spacing, as shown in Figure 6, open to control door leaf respectively, the location of pass, and twice arc guide channel 47,48 constitute guiding steel ball 45,46 at nearly guide channel 47,48 positions are provided with oblique surface, when door leaf being positioned at the state of opening for user's desire, need only promote door leaf by force, make two steel balls 43,44 mat oblique surfaces and break away from the corresponding guide channel 47 that promptly has, 48, constitute a mutual exchange group and establish state, so can reach the situation that the location door leaf is being opened, identical reason, door leaf need only be oppositely spurred, two steel balls 43 can be made, 44 get back to the guide channel 47 that promptly has, in 48.

Learnt by above structure, the utlity model has following advantage:

One, can be applied to simultaneously door leaf just, the use situation that reverses; The utility model is because of integral body The structure setting, make stud shaft 22,23 protrude from pedestal 10, so, the utility model need only Turn upside down, can apply to simultaneously the door leaf forward and backward and use, it uses quite easy and holds Easily, so the forward and backward door closer of integration advantage is arranged, it really meets makes and use Economic benefit promote. Please cooperate Fig. 9 to see it, the utility model can be in the stud shaft of being failure to actuate On 23, establish the effect that decorative block 52 reaches decoration with bolt 51 lock, with keep whole outside The property seen.

Two, it is quite convenient that the utility model is adjusted back stretch; See also Figure 10, can send out Existing the utility model need only be in pedestal 10 sides, inserting than adjusting hole 312 little barred bodies, And rotate this housing 31, and adjust in the position that cooperates pin 33, can reach easy adjustment bullet The advantage of power, with in response to the different door leaf of weight, and these adjustment and enforcement are at pedestal 10 stage casing lateral location, quite convenience far wins and commonly uses the spatial constraints that must adjust in the bottom, And overcome and commonly use the narrow office property that to adjust with special spanner.

Three, significantly promote operating stably; Rubbery toroidal ring of the present utility model is seat body resistance rib Accommodating nest 150 " radially " reaches " axially " location and damping action, these lifting surface areas is provided Commonly use bigger, and can effective support ring 25 in the possible beat of breach 212 positions, Under the damping area reinforcement, when promoting integrally-built having stable behavior degree.

Four, reduce production costs; With the utility model with commonly use structure and relatively find this practicality Novel except buffer element 20 with the machine-tool production, all the other each major parts all can be adopted mold pressing Moulding is so the integral production cost makes the utility model promote in function far below commonly using structure Lower, holistic cost still has the space of decline, the advantage of tool international competition.

Claims

1, a kind of door closer is characterized in that comprising:

Pedestal is provided with endoporus, and pedestal is provided with to the outstanding resistance rib of endoporus direction;

One main shaft is arranged in this endoporus rotationally, and it includes two stud shafts and stretches out respectively outside the pedestal two ends;

The resistance rib scarf of this pedestal has ring, and ring remains between main shaft and the pedestal, and main shaft is provided with breach in relative resistance rib position in addition;

One Flexible element is arranged between main shaft and the pedestal.

2, a kind of door closer as claimed in claim 1, it is characterized in that: pedestal periphery radially position is provided with draw-in groove, and stud shaft is provided with Flexible element, this Flexible element periphery is installed with housing, this housing periphery ring-type is provided with one group and adjusts the hole, this adjustment hole is corresponding with draw-in groove, adjusts the hole and then plugged together pin in the draw-in groove scope, and pin resists in draw-in groove one and brings in the location Flexible element.

3, a kind of door closer as claimed in claim 1 or 2, it is characterized in that: main shaft is concaved with cell body, this cell body is just corresponding with the resistance rib, and rib is concaved with one group of circular-arc ccontaining nest in the position vertically, and make the periphery of rubbery toroidal ring can be involutory closely in the ccontaining nest of corresponding resistance rib, and the slightly outstanding main shaft of the periphery that makes rubbery toroidal ring and involutory closely in the ccontaining nest of corresponding resistance rib, and at rubbery toroidal ring periphery coating olein.

4, a kind of door closer as claimed in claim 1, it is characterized in that: Flexible element mainly in housing group be provided with the round shell fragment and constitute, this place, round shell fragment axle center medial extremity then is equipped in the default croze of stud shaft, and round shell fragment outboard end is provided with housing, and this housing peripheral ring is provided with one group and adjusts the hole.

5, a kind of door closer as claimed in claim 1, it is characterized in that: be provided with location structure between main shaft end face and enclosing cover, this location structure mainly is concaved with two containing holes at main shaft end face five equilibrium, be provided with spring in this two containing hole, the spring outer end is supported and to be provided with steel ball, makes steel ball give prominence to the main shaft end face, and is provided with location edge, and the formation twice guide channel of two five equilibriums in the enclosing cover, this two location edge just can provide steel ball spacing, to control the location of door leaf open and close respectively.