CN2241206Y

CN2241206Y - Automatic door closing device

Info

Publication number: CN2241206Y
Application number: CN 95225812
Authority: CN
Inventors: 林武雄
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-10-11
Filing date: 1995-10-11
Publication date: 1996-11-27
Anticipated expiration: 2005-10-11

Abstract

The utility model relates to an automatic door closing device whose base is fixedly arranged on the wall surface of the upper margin of a door frame. Coaxial support slots and reed slots are respectively formed on the top face and the bottom face of the base for a shaft stop piece penetrating through shaft holes and clamping with swirl elastic sheets in the reed slots, and rotation stop blocks used for positioning an interlocking shift bar is fixedly locked at the bottom end of the shaft stop piece. The barrel body of a cushion device is assembled in a lean setting slot, the toothed bar of the cushion device is penetrated through the channel of the base, and the tooth surface of the toothed bar and the ring tooth surface of the shaft stop piece are mutually meshed. A shaft bar penetrated in the barrel body is interlocked by the toothed bar to be matched with a piston at the end of the shaft bar to be shifted backwards and forwards in the hydraulic oil of the barrel body, and proper buffering efficiency is generated by the automatic door closing device when door plates are returned to be closed.

Description

Door check

The utility model relates to a kind of door check, refers to especially a kind ofly have appropriate absorbing structure, action relationships directly and door check that can positioned at arbitrary angles.

Door check is a kind of utensil that can close back automatically after door-plate is opened, and can reach isolated, location and purpose such as antitheft, and it is relevant uses form and the mode of action in common knowledge as masses morning, so no longer adds in the literary composition to give unnecessary details.But traditional cylinder pressure spring door check generally have opening angle restriction, the inconvenience of maintenance trouble and can't positioned at arbitrary angles etc. many shortcomings, this case inventor once made great efforts exploitation and created a kind of improved door check, as the novel patent of TaiWan, China the 8420 May Day four No. nine " automatic door closer structure improvement " (to call first generation creation in the following text).

The first generation automatic door closer structure of this case inventor invention shown in Fig. 7 and 8, its mainly by keeper 90, vortex shell fragment 91, change pull bolt 93, sliding piece 94 and dialling of the piece 92 of pulling, axle and usher and 95 form.This keeper 90 is installed in metope 84 appropriate locations of doorframe 82 upper limbs with the fixed head 902 of one side, and vortex shell fragment 91 is placed keeper 90 openings storage tank 904 up, and with a lamina tecti 906 cover cap in addition.Again, change the piece 92 of pulling and utilize the axle of wearing its axis hole 922 of pulling bolt 93 pivots of pulling to recline and be against keeper 90 bottom surfaces, and make the axle bolt 93 of pulling crack with its clip and 932 plug together blocking with the clip tabs 912 of vortex shell fragment 91 central authorities.

Brought forward is described, the length of sliding piece 94 suitably and an end embedding pull and be fixedly arranged on recessed groove 924 places of pulling that change piece 92 bottom surfaces of pulling, in addition end then with strip hole 942 be sheathed on door-plate 80 upper limbs dial usher 95 stretch pin 952 places.So, utilization vortex shell fragment 91 rotates with axle commentaries on classics that bolt 93 the drives keepers 90 bottom surfaces piece 92 of pulling of pulling, and then is fixedly arranged on dialling of door-plate upper limb with sliding piece 94 interlocks and ushers 95, and makes door-plate 80 synchronous rotations.

Yet this case inventor finds that it is perfect that the structure design of first generation door check still has many places not attain in the practical experience of implementing use first generation door check, has in fact and is studied improved necessity again.For example, aforementioned first generation door check is in default of suitable buffer structure design, therefore when door-plate 80 when opening than wide-angle, the compress variation of its vortex shell fragment 91 is quite big, to make vortex shell fragment 91 directly act on the door-plate 80, and cause door-plate 80 to rebound hastily and close with sizable back stretch.So, not only cause door-plate 80 to manipulate inconvenience and door-plate 80 (particularly glass door) shortcoming such as damages easily, even the door-plate 80 that can cause personnel to be closed back rapidly because of carelessness wounds, design consideration and obviously do not attain perfect.

Main purpose of the present utility model provides a kind ofly has appropriate absorbing structure and action relationships directly and structure-reinforced door check.

The purpose of this utility model is achieved through the following technical solutions: a kind of door check is mainly by the pedestal that is fixedly arranged on doorframe upper limb metope, the part that is fixed in that dialling of door-plate ushered and the axle that is assembled in pedestal is pulled, the vortex shell fragment, change pull piece and interlock driving lever composition, wherein, the dish type pedestal is fixedly arranged on the metope place with its fixed head, and there is a vortex shell fragment to be placed in its reed trough, the aforementioned axis part of pulling is arranged in the axis hole place of pedestal, and move by vortex shell fragment clip, and make for the commentaries on classics of the interlock driving lever location piece of pulling and be locked in the axle part end of pulling, and the interlock driving lever is held interlock to be positioned dialling of door-plate place to usher in addition, for the vortex shell fragment through the axle part of pulling, change pull piece and interlock driving lever and the synchronous rotation of interlock door-plate, wherein:

The end face of pedestal and bottom surface form coaxial groove and the reed trough of holding respectively, axle pull part by last pass axis hole between the two down and with reed trough in vortex shell fragment clip, and will be locked in the axle part bottom of pulling and locate for the commentaries on classics of the interlock driving lever location piece of pulling,

The cylindrical shell of buffer be mounted on pedestal one side by putting the groove place, and make its ratch pass the conduit of pedestal, and ratch is with pull relative engagement of the ring flank of tooth of part of its flank of tooth and axle, again, ratch one end connects the axostylus axostyle that is arranged in cylindrical shell, the piston of this axle end can the hydraulic oil in cylindrical shell in before and after displacement, when door-plate cuts out, produce suitable cushioning effect so that the axle part of pulling to be provided by buffer.

In aforesaid door check, axostylus axostyle one end of buffer sets firmly a piston, its in addition end pass the pivot hole of blocking piece and connect and establish the pull ratch of part engagement of the flank of tooth and axle,

The embedding of aforementioned blocking piece is pulled in the opening part of cylindrical shell, and on the blocking piece sealing ring of avoiding the hydraulic oil in the cylindrical shell to release is installed,

The side face of aforementioned piston is arranged with one for the nested annular groove of joint ring, the piston side face of this annular groove inboard and cylinder inboard wall keep suitably for the smooth and easy slot that passes through of hydraulic oil, and the periphery of piston end surface is offered the discharge orifice that several are communicated with annular grooves, and stays between axostylus axostyle in the piston axes place and to establish tiny scarce seam.

In aforesaid door check, the discharge orifice aperture of buffer piston periphery is greater than joint ring circle footpath.

In aforesaid door check, the axis hole periphery of pedestal forms for the axle ring that the part pivot supports the location of pulling and supports sheet.

In aforesaid door check, the pedestal appropriate location provides one and is communicated with the level hold groove and holds the hole, and has in regular turn to pearl, spring and spiral shell spare group and put wherein, and the pull shiny surface appropriate location of part of axle is provided with several corresponding pearls of supporting pearl and supports edge.

In aforesaid door check, the conduit middle section position of pedestal forms and holds the through hole that groove is communicated with, and the ratch of buffer is in the ring flank engagement of this through hole and the part of spool pulling.

In aforesaid door check, reed trough one side of pedestal is provided with and cracks, and the clip tabs inlay card of vortex shell fragment outboard end wherein.

The utility model has the advantages that, owing to the utlity model has special structural design, therefore implement not only to make the structure of door check more strong durable and action control relation is more direct using, the excellent cushioning effect effect of door check and the usefulness of arbitrarily angled temporary transient location are provided simultaneously effectively, improve the shortcoming of first generation door closer effectively, compared with prior art had obvious improvement.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is the stereo appearance figure of the utility model preferred embodiment, in order to structure configuration of the present utility model and assembling morphology to be described;

Fig. 2 is the three-dimensional exploded view of the utility model preferred embodiment main member, in order to the structural form and the configuration marriage relation of explanation the utility model main member;

Fig. 3 is the vertical sectional view of the utility model preferred embodiment, in order to the combination form and the interactively of this position member of explanation the utility model;

Fig. 4 is the horizontal cross of the utility model preferred embodiment, in order to the combination form and the interactively of this position member of explanation the utility model.

Fig. 5 is the sectional view of the utility model buffer, in order to the structure configuration and the action relationships of explanation buffer;

Floor map when Fig. 6 is the utility model user mode, state is implemented in the use that applies to the opposite opened door-plate in order to explanation the utility model;

Fig. 7 is the stereo appearance figure of traditional first generation door check, in order to the structure configuration and the assembling morphology of this door check to be described;

Fig. 8 is the three-dimensional exploded view of traditional first generation door check main member, in order to structural form and the assembly relation that this door check is described.

Please referring to shown in Fig. 1,2,3, the utility model is a kind of improvement design about door check, its mainly by pedestal 10, axle pull part 20, vortex shell fragment 30, change the piece 40 of pulling, interlock driving lever 50, dial usher 70 and buffer 60 form.Wherein:

To be that end face and bottom surface are coaxial respectively be provided with the dish cylindrical arrangement of holding groove 12 and reed trough 15 to pedestal 10, and have a periphery to form the axis hole 13 that ring supports sheet 132 to connect therebetween, at the then integrally formed fixed head 11 in order to be fixedly arranged on metope 84 of a side edge of pedestal 10.Again, for cooperating the temporary transient location of door-plate 80, one is communicated with the level hold groove 12 holds hole 14 and provides the thick place of meat in pedestal 10, put wherein for organizing in regular turn to pearl 142, spring 144 and spiral shell spare 146, and can utilize the screw lock degree of depth of adjusting spiral shell spare 146, reach control and support pearl 142 and be pressed against the pull strength size of part 20 of axle, and coping plate 19 embeddings are placed on pedestal 10 end faces.

Brought forward is described, group corresponding to buffer 60 is put, pedestal 10 1 sides are concaved with circular by putting groove 16, and in laterally providing rectangular poroid conduit 17 by putting place, groove 16 medial surface axle center, this conduit 17 end in addition connects the thick formation opening 172 of pedestal 10 meat, and middle section position forms and holds the through hole 174 that groove 12 is communicated with, is engaged and linked for the ratch 64 of buffer 60 and the part 20 of spool pulling.Again, be provided with at a side of reed trough 15 and crack 152 for 30 blockings of vortex shell fragment, and be to cooperate the location of vortex shell fragment 30 and covering of reed trough 15, that establishes axle center place tool mesopore 182 in pedestal 20 bottom surfaces holds cover plate 18, and mesopore 182 peripheries that hold cover plate 18 bottom surfaces form for changeing the chimeric embedding groove 184 of the piece 40 of pulling.

The axle part 20 of pulling is that nahlock shape head body is formed on the top and the member structure of establishing bar 23 is stretched in the bottom surface, the side face upper and lower part of its body forms the shiny surface 21 and the ring flank of tooth 22 respectively, be concaved with beads in the appropriate location of this shiny surface 21 and support edge 24, support compressing of pearl 142 to cooperate, the blocking needs of door-plate 80 temporary transient location are provided.And the ring flank of tooth 22 is the flank of tooth 642 engagements for ratch 64.Again, the pole face of bar 23 axially cuts open the clip of establishing for 30 blockings of vortex shell fragment and cracks 25, and bar 23 bottoms form the screw 26 that locking bolt 27 screw locks are worn in cooperation.So, pass the axis hole 13 of pedestal 10 down with bar 23, cooperate ring to support abutting against of sheet 132, axle is pulled part 20 pivot groups in the holding in the groove 12 of pedestal 10, and just make to pearl 142 and be pressed against its shiny surface 21 positions, coping plate 19 then is covered on pedestal 10 end faces.

Vortex shell fragment 30 is the vortex shape shell fragments that are vortex form and the suitable elastic force of tool, cooperates the pull blocking stopper of part 20 of the location of vortex shell fragment 30 and axle, and the outboard end of this vortex shell fragment 30 and axis client are pulled folding respectively and formed clip tabs 32 and 31.So, with the

clip tabs

31 and 32 at vortex shell fragment 30 two ends respectively

clip crack

25 and 152 places of cracking of pedestal 10 in the pull clip of part 20 of axle, be positioned in the reed trough 15 so that the vortex shell fragment is put for 30 groups, and make and hold cover plate 18 embeddings and be placed on pedestal 10 bottom surfaces.Selected as for vortex shell fragment 30 swirl direction is to decide according to the needs of the opening direction of door-plate 80.

Changeing the piece 40 of pulling is circular blocks that the place, axle center provides axis hole 41, is the location that cooperates interlock driving lever 50, change piece 40 side faces of pulling and laterally offer a cross-drilled hole 42 that is communicated with axis hole 41, and the axis hole 41 of corresponding cross-drilled hole 42 in addition sides be arranged with for interlock driving lever 50 and insert the slotting arrival slots 43 that support.Again, interlock driving lever 50 is to be the suitable microscler body of rod of length, and the one end provides and supplies to wear the perforation 51 that locking bolt 27 wears, and end surrounds microscler frame hole 53 with Qian shape frame bar 52 frames in addition, dials with sheathed interlock and ushers 70.So, the pull axis hole 41 of piece 40 of commentaries on classics is aligned and is sheathed on axle part 20 bottoms of pulling, and slotting the pulling in the end that makes interlock driving lever 50 is resisted against cross-drilled hole 42 and inserts arrival slot 43 places, utilize and to pass axis hole 41, perforation 51 in regular turn and screw lock is worn locking bolt 27 in screw 26, as shown in Figure 3, axle is pulled part 20, change pull piece 40 and interlock driving lever 50 and firmly be assembled.

Please referring to shown in Fig. 2,4, buffer 60 comprises members such as cylindrical shell 61, axostylus axostyle 63, ratch 64, blocking piece 65 and piston 67.Wherein, cylindrical tube 61 openends spread out to stretch can embed by what put groove 16 and stretch embedding edge 612, and stretch embedding edge 612 side faces in this and be drilled with screw 614 for cylindrical shell 61 locking location, and cylindrical shell 61 side face appropriate locations are provided with a notes draining hole 616, cooperate a blocking bolt 62 to pass lip ring 622 and screw lock wherein, inject or release for hydraulic oil 600.Again, axostylus axostyle 63 1 ends set firmly piston 67, and in addition end passes the pivot hole 652 of blocking piece 65 and connects and establish a strip ratch 64, and these ratch 64 medial surfaces form the pull flank of tooth 642 of part 20 of respective shaft.

So, with ratch 64 free ends towards penetrating in the conduit 17 by putting groove 16, and make its flank of tooth 642 at through hole 174 places with the pull ring flank of tooth 22 engagements of part 20 of axle.Again, with cylindrical shell 61 sheathed pistons 67, utilization stretch embedding edge 612 with pull by the embedding of putting groove 16 and bolt pass bore a hole 162 and screw lock in screw 614, cylindrical shell 61 firmly is positioned pedestal 10 sides, and just make the openend of cylindrical shell 61 and blocking piece 65 peripheries support edge 656 contacts, engage sleeves is located at the joint ring 66 of blocking piece 65 side faces and the seal 654 of axostylus axostyle 63 side faces, effectively hydraulic oil 600 is placed in the cylindrical shell 61 and can release.

Brought forward is described, piston 67 side faces of buffer 60 are arranged with annular groove 672 one, nested on it for joint ring 68, piston 67 side faces of these annular groove 672 inboards and cylindrical shell 61 inwalls keep a suitable slot 69, pass through swimmingly for hydraulic oil 600, and the periphery of piston 67 end faces is offered several apertures greater than joint ring 68 and be communicated with the discharge orifice 674 of annular groove 672, and stays with 63 of axostylus axostyles at place, piston 67 axle center and to establish tiny scarce seam 676, passes through wherein with less flow for hydraulic oil 600.

Please referring to shown in Figure 1, dial that to usher 70 are ∪ shape frameworks that a side forms fixed head 71, be locked in the appropriate location of door-plate 80 upper limbs for it, and vertically stretch in ∪ shape ring flat-plate central authorities end face and to establish one and stretch pin 72 for what interlock driving lever 50 covers were pulled; So, with the microscler frame hole 53 of interlock driving lever 50 be set in dial usher 70 stretch pin 72, promptly constitute door check as shown in Figure 1.

Please referring to shown in Fig. 3,5,6, when door check is installed in the door-plate of opening clockwise 80 (shown in Fig. 6 left side), the swirl direction of its vortex shell fragment 30 is to be clockwise direction; When door check is installed in the door-plate 80 of counterclockwise unlatching (shown in Fig. 6 right-hand part), the swirl direction of its vortex shell fragment 30 then is counterclockwise.So, the door-plate 80 of Kai Qiing is an example in a clockwise direction, when people open door-plate 80, the dialling of door-plate 80 upper limbs ushered and 70 can drive through interlock driving lever 50 and change pull piece 40 and the axle part 20 of pulling and rotate, pull part 20 of this axle rotates and not only can force vortex shell fragment 30 outwards to open support and produce back stretch, can drive ratch 64 and axostylus axostyle 63 with its ring flank of tooth 22 that meshes ratch 64 simultaneously, making piston 67 move to blocking piece 65 ends leans on, at this moment, because hydraulic oil 600 can move apart side by moving to flow to through annular groove 672 and by discharge orifice 674 via slot 69 swimmingly by side.Therefore, door-plate 80 can be opened swimmingly and can not produce damping effect.

When the user decontrols door-plate 80, utilize the back stretch of vortex shell fragment 30, the part 20 of can axle pulling drives and changes the piece 40 of pulling, interlock driving lever 50 and dial and usher 70 and door-plate 80 is replied again is closed condition.Lean on because joint ring 68 can move to slot 69 places this moment, make hydraulic oil 600 to pass through by slot 69, and only can be to flow through through lacking seam 676 than low discharge, thereby produce suitable buffering damping effect effectively, avoiding door-plate 80 to rebound apace closes, not only can be convenient and finish the purpose of closing the door automatically safely, and the structural strength that reaches whole door check significantly improves and move and control Practical Benefit such as more direct.

In addition, please referring to shown in Fig. 2,3, hold supporting pearl 142 and just can be pressed against axle part 20 shiny surfaces 21 places of pulling in the holes 14 owing to be located at pedestal 10, therefore cooperate suitable pearl to support the design of edge 24, make that supporting pearl 142 can support the suitable blocking effect of edge 24 generations with this pearl, provides the action effect of door-plate 80 temporary transient location.What especially axle pulled that part 20 pearls support edge 24 is provided with position and number, can be arranged with neatly according to user's needs, thereby make door-plate 80 have effect with arbitrarily angled temporary transient location, dark tool Practical Benefit.

Claims

1. door check, it mainly is by the pedestal that is fixedly arranged on doorframe upper limb metope, the part that is fixed in that dialling of door-plate ushered and the axle that is assembled in pedestal is pulled, the vortex shell fragment, change pull piece and interlock driving lever composition, wherein, the dish type pedestal is fixedly arranged on the metope place with its fixed head, and there is a vortex shell fragment to be placed in its reed trough, the aforementioned axis part of pulling is arranged in the axis hole place of pedestal, and move by vortex shell fragment clip, and make for the commentaries on classics of the interlock driving lever location piece of pulling and be locked in the axle part end of pulling, and the interlock driving lever is held interlock to be positioned dialling of door-plate place to usher in addition, for the vortex shell fragment through the axle part of pulling, change and to pull piece and interlock driving lever and the synchronous rotation of interlock door-plate is characterized in that:

The cylindrical shell of buffer be mounted on pedestal one side by putting the groove place, and make its ratch pass the conduit of pedestal, and ratch is with pull relative engagement of the ring flank of tooth of part of its flank of tooth and axle; Again, ratch one end connects the axostylus axostyle be arranged in cylindrical shell, the piston of this axle end can the hydraulic oil in cylindrical shell in before and after displacement.

2. door check according to claim 1 is characterized in that: axostylus axostyle one end of buffer sets firmly a piston, its in addition end pass the pivot hole of blocking piece and connect and establish the pull ratch of part engagement of the flank of tooth and axle,

3. door check according to claim 2 is characterized in that: the discharge orifice aperture of buffer piston periphery is greater than joint ring circle footpath.

4. door check according to claim 1 is characterized in that: the axis hole periphery of pedestal forms for the axle ring that the part pivot supports the location of pulling and supports sheet.

5. door check according to claim 1, it is characterized in that: the pedestal appropriate location provides one and is communicated with the level appearance hole of holding groove, and have in regular turn to pearl, spring and spiral shell spare group and put wherein, and the pull shiny surface appropriate location of part of axle is provided with several corresponding pearls of supporting pearl and supports edge.

6. door check according to claim 1 is characterized in that: the conduit middle section position of pedestal forms and holds the through hole that groove is communicated with, and the ratch of buffer is in the ring flank engagement of this through hole and the part of spool pulling.

7, door check according to claim 1 is characterized in that: reed trough one side of pedestal is provided with and cracks, and the clip tabs inlay card of vortex shell fragment outboard end wherein.