CN203905697U - Hidden small-angle automatic door closer - Google Patents
Hidden small-angle automatic door closer Download PDFInfo
- Publication number
- CN203905697U CN203905697U CN201420309416.7U CN201420309416U CN203905697U CN 203905697 U CN203905697 U CN 203905697U CN 201420309416 U CN201420309416 U CN 201420309416U CN 203905697 U CN203905697 U CN 203905697U
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- door leaf
- main body
- lock joint
- joint rod
- cylinder
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- 230000001105 regulatory effect Effects 0.000 claims description 27
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 230000006978 adaptation Effects 0.000 claims description 8
- 210000002435 tendon Anatomy 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 239000006071 cream Substances 0.000 claims description 5
- 238000007373 indentation Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 34
- 239000003921 oil Substances 0.000 description 11
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to a hidden small-angle automatic door closer which is composed of a door leaf body and a door frame fastening rod. The door leaf body comprises a door leaf body shell, a rocker arm with a buffering mechanism is arranged in an inner cavity of the door leaf body shell, the rocker arm comprises a horizontal section and a vertical section, the vertical section is in rotating connection with the door leaf body shell, a notch matched with the horizontal section is formed in the door leaf body shell, when the vertical section rotates, the horizontal section can stretch out from the notch, an inner groove is formed in the upper surface of the horizontal section, and an inner groove opening is formed in the end, away from the vertical section, of the inner groove. The door frame fastening rod comprises a fastening rod body arranged in a three-dimensional adjusting mechanism, the fastening rod body can slide out or slide in the inner groove along with opening or closing of a door leaf and drive the vertical section to rotate, and the three-dimensional adjusting mechanism is used for adjusting the front-and-back position, the right-and-left position and the up-and-down position of the fastening rod body. The hidden small-angle automatic door closer is simple in structure and convenient to install, achieves small-angle automatic door closing and is low in noise during door closing.
Description
Technical field
The utility model relates to automatic door closing device, is a kind of concealed low-angle automatic door closer specifically.Door closer described in the utility model can automatic hydraulic buffering be closed the door in the time that door is closed to certain angle.
Background technology
At present, common door closer self-closing door angle is larger, causes door leaf opening angle larger, and door stops location to be difficult to control, not only inconvenient when use, and the support bar damage that easily gets loose.
When mounted, door closer and support bar expose common door closer, and this can destroy the attractive in appearance of door leaf.
Existing concealed door closer need to excavate larger vallecular cavity on doorframe and door leaf, and loaded down with trivial details, debug difficulties is installed, and gives and installs, uses and brought inconvenience.
Utility model content
For the defect existing in prior art, the purpose of this utility model is to provide a kind of concealed low-angle automatic door closer, solve common door closer door stop location be difficult to control, exterior inaesthetic problem, solve the problem that existing concealed type door closer is difficult to Installation and Debugging.
For reaching above object, the technical scheme that the utility model is taked is:
A kind of concealed low-angle automatic door closer, is made up of door leaf main body and doorframe lock joint rod two parts,
Described door leaf main body is hidden and is inlaid in the end face of door leaf,
According to the installation site of door leaf main body, described doorframe lock joint rod is hidden and is inlaid in doorframe accordingly,
It is characterized in that: described door leaf main body comprises:
Door leaf main body cover 4, is provided with the rocking arm 9 with buffer gear in its inner chamber,
Described rocking arm 9 comprises horizontal segment 907 and vertical section 906, one end of horizontal segment 907 is vertically connected with the upper end of vertical section 906, vertically section 906 and door leaf main body cover 4 are rotationally connected, door leaf main body cover 4 is provided with the breach with horizontal segment 907 adaptations, in the time rotating for vertical section 906, horizontal segment 907 can stretch out from indentation, there
The upper surface of horizontal segment 907 is provided with inner groovy 904, and inner groovy 904 is provided with inner groovy opening away from one end of vertical section 906,
Described doorframe lock joint rod comprises:
Be located at the lock joint rod 20 in three-dimensional adjusting mechanism, lock joint rod 20 is with the unlatching of door leaf or close, and can skid off or slip into inner groovy 904, and drive vertically section 906 to rotate,
Described three-dimensional adjusting mechanism is for front and back position, position, left and right and the upper-lower position of adjusting button extension bar 20.
On the basis of technique scheme, the end face of the end face of horizontal segment 907 and door leaf main body cover 4 flushes, or lower than the end face of door leaf main body cover 4.
On the basis of technique scheme, inner groovy 904 is located at the end face of horizontal segment 907 along its length between two parties,
The end face of horizontal segment 907, taking inner groovy 904 as boundary, is inclined-plane 905 towards a side of doorframe lock joint rod, and opposite side is plane,
Inclined-plane 905 is high with the junction of inner groovy 904, low near doorframe lock joint rod side.
On the basis of technique scheme, inclined-plane 905 is provided with rocking arm motion breach 908 away from one end of vertical section 906.
On the basis of technique scheme, in the time that open angle is less than or equal to preset angles, lock joint rod 20 slips into inner groovy 904, under buffer gear drives, realizes automatic door-closing,
In the time that open angle is greater than preset angles, door stops arbitrarily,
Described preset angles is 21～30 degree.
On the basis of technique scheme, lock joint rod 20 slips into inner groovy 904 from inner groovy opening.
On the basis of technique scheme, lock joint rod 20 slips into inner groovy 904 from inclined-plane 905.
On the basis of technique scheme, rocker arm bracket 11 is located in the inner chamber of door leaf main body cover 4,
Between the end face of rocker arm bracket 11 and door leaf main body cover 4 for holding vertical section 906,
Pin 12, through the end face of door leaf main body cover 4, vertical section 906, rocker arm bracket 11, is rotationally connected vertical section 906 and door leaf main body cover 4.
On the basis of technique scheme, described buffer gear is connected with rocking arm 9 by brace 7, specifically:
Buffer gear and brace 7 are all positioned at horizontal segment 907 belows,
Vertically section 906 is provided with brace groove 902 is installed,
One end of brace 7 be placed in that brace is installed in groove 902 and with vertical section 906 be rotationally connected,
The other end and the buffer gear of brace 7 are rotationally connected.
On the basis of technique scheme, described buffer gear comprises:
Cylinder pedestal 2, it is fixedly connected with door leaf main body cover 4,
The afterbody of cushion cylinder 1 is fixedly assemblied on cylinder pedestal 2, and the head of cushion cylinder 1 is cylinder piston rod 108,
Compression spring 5 is sleeved on the outer surface of cylinder block of cushion cylinder 1,
Sliding sleeve 6 is provided with endoporus between two parties, and described endoporus is used for holding compression spring 5.
On the basis of technique scheme, cushion cylinder 1 comprises:
Be provided with oil cylinder cover 102 cylinder bodies, cylinder piston rod 108 passes oil cylinder cover 102,
One end that cylinder piston rod 108 is positioned at cylinder body is connected with piston 106,
Piston 106 is provided with one way valve 104 and oil-through hole 107,
Between piston 106 and cylinder bottom, being shoe cream room 105, is pressurized oil pocket 103 between piston 106 and oil cylinder cover 102.
On the basis of technique scheme, the other end of brace 7 between sliding sleeve 6 and cylinder piston rod,
Pin 13, through sliding sleeve 6, the other end of brace 7, cylinder piston rod, is rotationally connected the other end of brace 7 and buffer gear.
On the basis of technique scheme, sliding sleeve 6 one end are provided with circular Inner hole 603, and the other end is provided with square inner bore 602,
Circular Inner hole 603 and compression spring 5 adaptations,
Square inner bore 602 and brace 7 and cylinder piston rod adaptation.
On the basis of technique scheme, in the inner chamber of door leaf main body cover 4, be provided with the limit component supporting with sliding sleeve 6, sliding sleeve 6 can be along the left and right slippage of described limit component.
On the basis of technique scheme, described limit component is Inner convex tendon 402, and sliding sleeve 6 is provided with the slide-matching groove corresponding with Inner convex tendon 402 604.
On the basis of technique scheme, described three-dimensional adjusting mechanism comprises:
Outer box 26, its middle part is provided with and connects the through hole 2603 of upper and lower surface, and the left and right sides of through hole 2603 is provided with successively from the inside to the outside front and back position and regulates with bar hole 2601, bar hole 2602 for the position adjustments of left and right,
Base 27, is positioned at outer box 26 belows, is connected with outer box 26 by screw 24, and screw 24 regulates with bar hole 2601 through front and back position,
The middle part of base 27 is provided with screwed hole 2701, and height regulating sleeve 21 spiral shells are contained in screwed hole 2701,
Height regulating sleeve 21 external surfaces are screwed with nut 22,
Height regulating sleeve 21 longitudinally axis is provided with height regulating sleeve endoporus, and described height regulating sleeve endoporus is up-small and down-big shoulder hole,
Lock joint rod 20, its external surface is up-small and down-big shape, and lock joint rod 20 is located in height regulating sleeve endoporus, and can not deviate from from the upper end of height regulating sleeve endoporus,
Lock joint rod 20 longitudinally axis is provided with lock joint rod endoporus, is provided with compression spring 23 in lock joint rod endoporus,
Height regulating sleeve endoporus lower end is provided with capping 25, and capping 25 is provided with needle body 2501, and compression spring 23 is sleeved on needle body 2501.
Concealed low-angle automatic door closer described in the utility model, simple in structure, easy for installation, realize low-angle automatic door-closing, noise is little at closing time.
Concealed low-angle automatic door closer described in the utility model, can low-angle automatic hydraulic buffering close the door, solved existing door closer close the door noise greatly, easily cause door link loosening problem with doorframe, extend the application life of door, door opening angle is greater than 30 and stops arbitrarily while spending, has improved the convenience using.
Concealed low-angle automatic door closer described in the utility model, compression spring 5 is enclosed within and on cushion cylinder 1, has effectively saved space, reduced the volume of product, lock joint rod 20 can make to install and use more convenient in three-dimensional regulation position (front and back position adjusting, left and right position adjustments and upper-lower position regulate).
Brief description of the drawings
The utility model has following accompanying drawing:
Fig. 1 structural representation of the present utility model,
Fig. 2 R.H.flapped door fan uses view,
Fig. 3 L.H.flapped door fan uses view,
Fig. 4 explosive view of the present utility model (R.H.flapped door fan),
The structural representation (R.H.flapped door fan) of Fig. 5 door leaf main body cover, rocking arm and sliding sleeve,
The structural representation (R.H.flapped door fan, L.H.flapped door fan pass are used) of Fig. 6 cushion cylinder,
Fig. 7 doorframe lock joint rod explosive view and sectional view,
Fig. 8 R.H.flapped door and the view of closing the door.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Fig. 1～7, concealed low-angle automatic door closer described in the utility model, is made up of door leaf main body (referring to Fig. 1) and doorframe lock joint rod (referring to Fig. 7) two parts,
Described door leaf main body is hidden and is inlaid in the end face of door leaf,
According to the installation site of door leaf main body, described doorframe lock joint rod is hidden and is inlaid in doorframe accordingly,
Described door leaf main body comprises:
Door leaf main body cover 4, is provided with the rocking arm 9 with buffer gear in its inner chamber,
Described rocking arm 9 comprises horizontal segment 907 and vertical section 906, one end of horizontal segment 907 is vertically connected with the upper end of vertical section 906, vertically section 906 and door leaf main body cover 4 are rotationally connected, door leaf main body cover 4 is provided with the breach with horizontal segment 907 adaptations, in the time rotating for vertical section 906, horizontal segment 907 can stretch out from indentation, there, for example: the right-hand member of horizontal segment is with vertically vertical connection of upper end of section can be used for R.H.flapped door fan (referring to Fig. 2), the left end of horizontal segment is with vertically vertical connection of upper end of section can be used for L.H.flapped door fan (referring to Fig. 3)
The upper surface of horizontal segment 907 is provided with inner groovy 904, and inner groovy 904 is provided with inner groovy opening away from one end of vertical section 906,
As shown in Figure 7, described doorframe lock joint rod comprises:
Be located at the lock joint rod 20 in three-dimensional adjusting mechanism, lock joint rod 20 is with the unlatching of door leaf or close, and can skid off or slip into inner groovy 904, and drive vertically section 906 to rotate,
Described three-dimensional adjusting mechanism is for front and back position, position, left and right and the upper-lower position of adjusting button extension bar 20.
On the basis of technique scheme, the end face of the end face of horizontal segment 907 and door leaf main body cover 4 flushes, or lower than the end face of door leaf main body cover 4.
On the basis of technique scheme, inner groovy 904 is located at the end face of horizontal segment 907 along its length between two parties,
The end face of horizontal segment 907, taking inner groovy 904 as boundary, is inclined-plane 905 towards a side of doorframe lock joint rod, and opposite side is plane,
Inclined-plane 905 is high with the junction of inner groovy 904, low near doorframe lock joint rod side.
On the basis of technique scheme, inclined-plane 905 is provided with rocking arm motion breach 908 away from one end of vertical section 906.Rocking arm motion breach 908 is easier in order to make lock joint rod 20 slip into or skid off inner groovy 904.
On the basis of technique scheme, in the time that open angle is less than or equal to preset angles, lock joint rod 20 slips into inner groovy 904, under buffer gear drives, realizes automatic door-closing,
In the time that open angle is greater than preset angles, door stops arbitrarily,
Described preset angles is 21～30 degree.In embodiment illustrated in fig. 8, preset angles is 21 degree.
On the basis of technique scheme, lock joint rod 20 slips into inner groovy 904 from inner groovy opening.
On the basis of technique scheme, lock joint rod 20 slips into inner groovy 904 from inclined-plane 905.
On the basis of technique scheme, rocker arm bracket 11 is for example located at, in the inner chamber of door leaf main body cover 4: rocker arm bracket 11 is fixedly connected with door leaf main body cover 4 by pin 3,
Between the end face of rocker arm bracket 11 and door leaf main body cover 4 for holding vertical section 906,
Pin (rocking arm pin) 12, through the end face of door leaf main body cover 4, vertical section 906, rocker arm bracket 11, is rotationally connected vertical section 906 and door leaf main body cover 4.
On the basis of technique scheme, described buffer gear is connected with rocking arm 9 by brace 7, specifically:
Buffer gear and brace 7 are all positioned at horizontal segment 907 belows,
Vertically section 906 is provided with brace groove 902 is installed,
One end of brace 7 be placed in that brace is installed in groove 902 and with vertical section 906 be rotationally connected, for example: pin (brace pin) 10 is through vertically section 906, brace are installed groove 902, brace 7, one end of the brace 7 that is positioned at brace installation groove 902 is rotationally connected with vertical section 906
The other end and the buffer gear of brace 7 are rotationally connected.
On the basis of technique scheme, described buffer gear comprises:
Cylinder pedestal 2, it is fixedly connected with door leaf main body cover 4, for example: cylinder pedestal 2 is fixedly connected with door leaf main body cover 4 by pin 3,
The afterbody of cushion cylinder 1 is fixedly assemblied on cylinder pedestal 2, and the head of cushion cylinder 1 is cylinder piston rod 108, the preferred hydraulic cushion oil cylinder of cushion cylinder 1,
Compression spring 5 is sleeved on the outer surface of cylinder block of cushion cylinder 1,
Sliding sleeve 6 is provided with endoporus between two parties, and described endoporus is used for holding compression spring 5.
On the basis of technique scheme, as shown in Figure 6, cushion cylinder 1 comprises:
Be provided with oil cylinder cover 102 cylinder bodies, cylinder piston rod 108 passes oil cylinder cover 102,
One end that cylinder piston rod 108 is positioned at cylinder body is connected with piston 106,
Piston 106 is provided with one way valve 104 and oil-through hole 107,
Between piston 106 and cylinder bottom, being shoe cream room 105, is pressurized oil pocket 103 between piston 106 and oil cylinder cover 102.
On the basis of technique scheme, the other end of brace 7 between sliding sleeve 6 and cylinder piston rod,
Pin (sliding sleeve pin) 13, through sliding sleeve 6, the other end of brace 7, cylinder piston rod, is rotationally connected the other end of brace 7 and buffer gear.
In embodiment illustrated in fig. 1, be provided with upper and lower two braces 7, two 7 of braces are cylinder piston rod, two braces 7 are all arranged in the endoporus of sliding sleeve 6, in this embodiment, brace 7 is provided with point spacer 8 between the end in brace is installed groove 902, and a point spacer 8 remains unchanged for guaranteeing two distances between brace 7.Obviously, two braces 7 can be made into a global facility with a point spacer 8, in the situation that allowing, a brace 7 also can be only set.
On the basis of technique scheme, sliding sleeve 6 one end are provided with circular Inner hole 603, and the other end is provided with square inner bore 602,
Circular Inner hole 603 and compression spring 5 adaptations,
Square inner bore 602 and brace 7 and cylinder piston rod adaptation.
On the basis of technique scheme, in the inner chamber of door leaf main body cover 4, be provided with the limit component supporting with sliding sleeve 6, sliding sleeve 6 can be along the left and right slippage of described limit component.
On the basis of technique scheme, described limit component is Inner convex tendon 402, and sliding sleeve 6 is provided with the slide-matching groove corresponding with Inner convex tendon 402 604.
In embodiment illustrated in fig. 5, the cross section of sliding sleeve 6 is rectangular, and its four jiaos are respectively provided with a slide-matching groove 604, are provided with accordingly four Inner convex tendons 402 in the inner chamber of door leaf main body cover 4.
On the basis of technique scheme, as shown in Figure 7, described three-dimensional adjusting mechanism comprises:
Outer box 26, its middle part is provided with and connects the through hole 2603 of upper and lower surface, and the left and right sides of through hole 2603 is provided with successively from the inside to the outside front and back position and regulates with bar hole 2601, bar hole 2602 for the position adjustments of left and right,
Base 27, is positioned at outer box 26 belows, is connected with outer box 26 by screw 24, and screw 24 regulates with bar hole 2601 through front and back position,
The middle part of base 27 is provided with screwed hole 2701, and height regulating sleeve 21 spiral shells are for example contained in, in screwed hole 2701: height regulating sleeve 21 is put into through hole 2603, and spiral shell is contained in screwed hole 2701,
Height regulating sleeve 21 external surfaces are screwed with nut 22,
Height regulating sleeve 21 longitudinally axis is provided with height regulating sleeve endoporus, and described height regulating sleeve endoporus is up-small and down-big shoulder hole,
Lock joint rod 20, its external surface is up-small and down-big shape, and lock joint rod 20 is located in height regulating sleeve endoporus, and can not deviate from from the upper end of height regulating sleeve endoporus,
Lock joint rod 20 longitudinally axis is provided with lock joint rod endoporus, is provided with compression spring 23 in lock joint rod endoporus,
Height regulating sleeve endoporus lower end is provided with capping 25, and capping 25 is provided with needle body 2501, and compression spring 23 is sleeved on needle body 2501.
Screwed hole 2701 is a longitudinal hole, and adjustable its position in screwed hole 2701 of turn height regulating sleeve 21 is realized the height of adjusting button extension bar 20 by this.
As shown in Figure 8, taking R.H.flapped door fan as example, in the actual use of the utility model, door leaf main body is hidden and is inlaid in the end face of door leaf, according to the installation site of door leaf main body, accordingly doorframe lock joint rod is hidden and is inlaid in doorframe, in Fig. 8, situation when 8-1 shows door leaf main body and doorframe lock joint rod and threads off, situation when 8-2 shows door leaf main body and doorframe lock joint rod and enters to buckle, 8-3 shows door leaf main body and the doorframe lock joint rod situation in the time closing state.
The actual mode of occupation of the utility model is as follows:
Utilize left and right position adjustments bar hole 2602 and the front and back position of outer box 26 to regulate with bar hole 2601, position, left and right and the front and back position of adjusting button extension bar 20, can slip into inner groovy 904 Inner of rocking arm 9 while making lock joint rod 20 close door to certain angle (21～30 spend).
Adjust in a spiral manner the screw-in amount amount of screwed hole 2701 (screw in) of height regulating sleeve 21, make lock joint rod 20 stretch into the degree of depth of inner groovy 904 suitable.
In the time that user pushes door leaf open, door leaf main body is rotated centered by door hinge, be arranged on lock joint rod 20 slippage in inner groovy 904 (near the slippage of inner groovy opening direction) on doorframe, and rocking arm 9 is rotated centered by rocking arm pin 12 to pull-out, in motion process, lock joint rod 20 is along the inner groovy 904 channel opening slippage that concaves, in the time that skidding distance exceedes inclined-plane 905 and arrives rocking arm motion breach 908, lock joint rod 20 and inner groovy 904 thread off (referring to Fig. 8 8-1).
Rocking arm 9 is in above-mentioned rotation pull-out process, seeing through brace 7 makes sliding sleeve 6 make compression spring in energy storage state along 402 slips of Inner convex tendon compression pressure spring 5, now the sliding sleeve pin 13 that is centered close to of brace pin 10 is partial to door leaf body shell 4 lateral direction with rocking arm pin 12 central link lines, see through that vertically section 906 planes towards sliding sleeve 6 one sides are spacing with door leaf main body cover 4 side plates, make rocking arm be subject under the effect of energy-stored spring power energy fixed dwell in this angle.
In sliding sleeve 6 slips compression pressure spring 5 processes, promote cylinder piston rod 108 and move, make the hydraulic oil in shoe cream room 105 flow to pressurized oil pocket 103 through one way valve 104, the back door of now threading off can be free toward large rotation angle.
In the time that user closes the door certain angle (21～30 degree), lock joint rod 20 slips in the inner groovy 904 of rocking arm 9 along inner groovy opening or inclined-plane 905, vertical section 906 of rocking arm 9 also in corresponding rotation, when being centered close to sliding sleeve pin 13, brace pin 10 is partial to the interior side direction of door leaf body shell 4 with rocking arm pin 12 central link lines, now compression spring 5 starts release pressure, promotion sliding sleeve 6 slides to reset and see through brace 7 and drives rocking arm 9 toward the interior rotation of door leaf body shell 4, see through sliding to pull and realizing automatic door-closing of inner groovy 904 and lock joint rod 20, in self-closing door process, sliding sleeve pin 13 drives piston rod 108 pull-outs to make the hydraulic oil of pressurized oil pocket 103 Inner slowly flow to shoe cream room 105 by oil-through hole 107, thereby the velocity of rotation of controlling rocking arm 9 realizes the effect of closing the door slowly.
The content not being described in detail in this manual belongs to the known prior art of professional and technical personnel in the field.
Claims (16)
1. a concealed low-angle automatic door closer, is made up of door leaf main body and doorframe lock joint rod two parts,
Described door leaf main body is hidden and is inlaid in the end face of door leaf,
According to the installation site of door leaf main body, described doorframe lock joint rod is hidden and is inlaid in doorframe accordingly,
It is characterized in that: described door leaf main body comprises:
Door leaf main body cover (4), is provided with the rocking arm (9) with buffer gear in its inner chamber,
Described rocking arm (9) comprises horizontal segment (907) and vertical section (906), one end of horizontal segment (907) is vertically connected with the upper end of vertical section (906), vertically section (906) and door leaf main body cover (4) are rotationally connected, door leaf main body cover (4) is provided with the breach adaptive with horizontal segment (907), in the time that rotate vertical section (906), horizontal segment (907) can stretch out from indentation, there
The upper surface of horizontal segment (907) is provided with inner groovy (904), and inner groovy (904) is provided with inner groovy opening away from one end of vertical section (906),
Described doorframe lock joint rod comprises:
Be located at the lock joint rod (20) in three-dimensional adjusting mechanism, lock joint rod (20) is with the unlatching of door leaf or close, and can skid off or slip into inner groovy (904), and drive vertically section (906) to rotate,
Described three-dimensional adjusting mechanism is for front and back position, position, left and right and the upper-lower position of adjusting button extension bar (20).
2. concealed low-angle automatic door closer as claimed in claim 1, is characterized in that: the end face of the end face of horizontal segment (907) and door leaf main body cover (4) flushes, or lower than the end face of door leaf main body cover (4).
3. concealed low-angle automatic door closer as claimed in claim 1, is characterized in that: inner groovy (904) is located at the end face of horizontal segment (907) along its length between two parties,
The end face of horizontal segment (907), taking inner groovy (904) as boundary, is inclined-plane (905) towards a side of doorframe lock joint rod, and opposite side is plane,
Inclined-plane (905) is high with the junction of inner groovy (904), low near doorframe lock joint rod side.
4. concealed low-angle automatic door closer as claimed in claim 3, is characterized in that: inclined-plane (905) are provided with rocking arm motion breach (908) away from one end of vertical section (906).
5. concealed low-angle automatic door closer as claimed in claim 3, is characterized in that: in the time that open angle is less than or equal to preset angles, lock joint rod (20) slips into inner groovy (904), under buffer gear drives, realizes automatic door-closing,
In the time that open angle is greater than preset angles, door stops arbitrarily,
Described preset angles is 21～30 degree.
6. concealed low-angle automatic door closer as claimed in claim 5, is characterized in that: lock joint rod (20) slips into inner groovy (904) from inner groovy opening.
7. concealed low-angle automatic door closer as claimed in claim 5, is characterized in that: lock joint rod (20) from inclined-plane (905) slip into inner groovy (904).
8. concealed low-angle automatic door closer as claimed in claim 1, is characterized in that: rocker arm bracket (11) is located in the inner chamber of door leaf main body cover (4),
Between the end face of rocker arm bracket (11) and door leaf main body cover (4) for holding vertical section (906),
Pin (12), through the end face of door leaf main body cover (4), vertical section (906), rocker arm bracket (11), is rotationally connected vertical section (906) and door leaf main body cover (4).
9. concealed low-angle automatic door closer as claimed in claim 1, is characterized in that: described buffer gear is connected with rocking arm (9) by brace (7), specifically:
Buffer gear and brace (7) are all positioned at horizontal segment (907) below,
Vertically section (906) is provided with brace groove (902) is installed,
One end of brace (7) is placed in brace and installs in groove (902) and be rotationally connected with vertical section (906),
The other end and the buffer gear of brace (7) are rotationally connected.
10. concealed low-angle automatic door closer as claimed in claim 9, is characterized in that: described buffer gear comprises:
Cylinder pedestal (2), it is fixedly connected with door leaf main body cover (4),
It is upper that the afterbody of cushion cylinder (1) is fixedly assemblied in cylinder pedestal (2), and the head of cushion cylinder (1) is cylinder piston rod (108),
Compression spring (5) is sleeved on the outer surface of cylinder block of cushion cylinder (1),
Sliding sleeve (6) is provided with endoporus between two parties, and described endoporus is used for holding compression spring (5).
11. concealed low-angle automatic door closers as claimed in claim 10, is characterized in that: cushion cylinder (1) comprising:
Be provided with oil cylinder cover (102) cylinder body, cylinder piston rod (108) passes oil cylinder cover (102),
One end that cylinder piston rod (108) is positioned at cylinder body is connected with piston (106),
Piston (106) is provided with one way valve (104) and oil-through hole (107),
Between piston (106) and cylinder bottom, being shoe cream room (105), is pressurized oil pocket (103) between piston (106) and oil cylinder cover (102).
12. concealed low-angle automatic door closers as claimed in claim 11, is characterized in that: the other end of brace (7) is positioned between sliding sleeve (6) and cylinder piston rod,
Pin (13), through the other end, the cylinder piston rod of sliding sleeve (6), brace (7), is rotationally connected the other end and the buffer gear of brace (7).
13. concealed low-angle automatic door closers as claimed in claim 10, is characterized in that: sliding sleeve (6) one end is provided with circular Inner hole (603), and the other end is provided with square inner bore (602),
Circular Inner hole (603) and compression spring (5) adaptation,
Square inner bore (602) and brace (7) and cylinder piston rod adaptation.
14. concealed low-angle automatic door closers as claimed in claim 10, it is characterized in that: in the inner chamber of door leaf main body cover (4), be provided with the limit component supporting with sliding sleeve (6), sliding sleeve (6) can be along the left and right slippage of described limit component.
15. concealed low-angle automatic door closers as claimed in claim 14, it is characterized in that: described limit component is Inner convex tendon (402), sliding sleeve (6) is provided with the slide-matching groove (604) corresponding with Inner convex tendon (402).
16. concealed low-angle automatic door closers as claimed in claim 1, is characterized in that, described three-dimensional adjusting mechanism comprises:
Outer box (26), its middle part is provided with the through hole (2603) that connects upper and lower surface, the left and right sides of through hole (2603), being provided with successively from the inside to the outside front and back position regulates with bar hole (2601), left and right bar hole (2602) for position adjustments
Base (27), is positioned at outer box (26) below, is connected with outer box (26) by screw (24), and screw (24) regulates with bar hole (2601) through front and back position,
The middle part of base (27) is provided with screwed hole (2701), and height regulating sleeve (21) spiral shell is contained in screwed hole (2701),
Height regulating sleeve (21) external surface is screwed with nut (22),
Height regulating sleeve (21) longitudinally axis is provided with height regulating sleeve endoporus, and described height regulating sleeve endoporus is up-small and down-big shoulder hole,
Lock joint rod (20), its external surface is up-small and down-big shape, and lock joint rod (20) is located in height regulating sleeve endoporus, and can not deviate from from the upper end of height regulating sleeve endoporus,
Lock joint rod (20) longitudinally axis is provided with lock joint rod endoporus, is provided with compression spring (23) in lock joint rod endoporus,
Height regulating sleeve endoporus lower end is provided with capping (25), and capping (25) is provided with needle body (2501), and compression spring (23) is sleeved on needle body (2501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309416.7U CN203905697U (en) | 2014-06-12 | 2014-06-12 | Hidden small-angle automatic door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420309416.7U CN203905697U (en) | 2014-06-12 | 2014-06-12 | Hidden small-angle automatic door closer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203905697U true CN203905697U (en) | 2014-10-29 |
Family
ID=51779987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420309416.7U Expired - Lifetime CN203905697U (en) | 2014-06-12 | 2014-06-12 | Hidden small-angle automatic door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203905697U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522720A (en) * | 2016-11-03 | 2017-03-22 | 上海洋洋大多利五金制品有限公司 | Hidden type door closer capable of achieving bidirectional installation |
| CN108166878A (en) * | 2017-12-26 | 2018-06-15 | 宁波市五角阻尼股份有限公司 | A kind of orientable hidden type hydraulic hinge |
| CN110566073A (en) * | 2019-10-22 | 2019-12-13 | 宁波市五角阻尼股份有限公司 | Door closer |
-
2014
- 2014-06-12 CN CN201420309416.7U patent/CN203905697U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522720A (en) * | 2016-11-03 | 2017-03-22 | 上海洋洋大多利五金制品有限公司 | Hidden type door closer capable of achieving bidirectional installation |
| CN108166878A (en) * | 2017-12-26 | 2018-06-15 | 宁波市五角阻尼股份有限公司 | A kind of orientable hidden type hydraulic hinge |
| CN110566073A (en) * | 2019-10-22 | 2019-12-13 | 宁波市五角阻尼股份有限公司 | Door closer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |