CN109057200A - A kind of safe and reliable adjustable railing positioning mechanism - Google Patents

A kind of safe and reliable adjustable railing positioning mechanism Download PDF

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Publication number
CN109057200A
CN109057200A CN201811056822.6A CN201811056822A CN109057200A CN 109057200 A CN109057200 A CN 109057200A CN 201811056822 A CN201811056822 A CN 201811056822A CN 109057200 A CN109057200 A CN 109057200A
Authority
CN
China
Prior art keywords
clinching
outer housing
housing
positioning mechanism
hollow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811056822.6A
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Chinese (zh)
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CN109057200B (en
Inventor
陈季明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Tuo Xin Metal Products Co Ltd
Original Assignee
Guangzhou Tuo Xin Metal Products Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201811056822.6A priority Critical patent/CN109057200B/en
Publication of CN109057200A publication Critical patent/CN109057200A/en
Application granted granted Critical
Publication of CN109057200B publication Critical patent/CN109057200B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/18Balustrades; Handrails
    • E04F11/181Balustrades
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/18Balustrades; Handrails
    • E04F11/181Balustrades
    • E04F11/1842Balusters; Grille-type elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H5/00Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/02Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
    • E04H5/06Pits or building structures for inspection or services
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/18Balustrades; Handrails
    • E04F2011/1868Miscellaneous features of handrails not otherwise provided for
    • E04F2011/187Miscellaneous features of handrails not otherwise provided for lengthwise adjustable, e.g. telescopic

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Emergency Lowering Means (AREA)

Abstract

The invention discloses a kind of safe and reliable adjustable railing positioning mechanisms, it include outer housing, housing hollow is equipped in the outer housing, the lateral outer housing port being connected with housing hollow is equipped on outer case inside outer wall, it is characterized by: being movably equipped with clinching in housing hollow, the elastic component that clinching front end can be made to stretch out lateral outer housing port is equipped between the clinching rear end and housing hollow inner wall, the drive block that can make in clinching front end retraction transverse direction outer housing port when being pullled by external force is equipped in the housing hollow, the intercommunicating pore being connected with housing hollow is equipped on outer housing longitudinal direction, connecting rod is equipped on drive block, the connecting rod passes through intercommunicating pore and stretches out outer housing.The present invention overcomes the shortage of prior art, thus the positioning mechanism that clinching energy autopatching is fixed on external duct when providing a kind of outer housing by pulling.

Description

A kind of safe and reliable adjustable railing positioning mechanism
Technical field
The present invention relates to a kind of safe and reliable adjustable railing positioning mechanisms.
Background technique
Movable railing is the effect of can serve as safety protective door on the platform of aircraft maintenance wheel cabin, because of the difference of maintenance position Not, railing is needed to be able to achieve the adjusting of different height.Manual manipulation safety pin after can only generally the pulling of existing movable railing, It is laborious time-consuming, it is very inconvenient, and leak and put or because platform is mobile or vibration falls and the hidden of safety accident occurs there are safety pin Suffer from.Movable railing positioning pin spacing is larger, it is not easy to be transferred to proper height;In order to enable movable railing becomes securely and reliably, it is high Degree facilitates adjustable, needs to have redesigned a kind of safer positioning mechanism.
So the prior art remains to be further improved.
Summary of the invention
In order to overcome the shortcoming of background technique, to provide a kind of safe and reliable adjustable railing localization machine Structure.
Reach from technical solution as described below and solve background technique deficiency:
A kind of safe and reliable adjustable railing positioning mechanism, includes outer housing, is equipped in the outer housing Housing hollow is equipped with the lateral outer housing port being connected with housing hollow on outer case inside outer wall, it is characterised in that: Clinching is movably equipped in housing hollow, being equipped between the clinching rear end and housing hollow inner wall can make clinching front end stretch out cross To the elastic component of outer housing port, clinching front end retraction transverse direction shell can be made by being equipped with when being pullled by external force in the housing hollow Drive block in body port is equipped with the intercommunicating pore being connected with housing hollow on outer housing longitudinal direction, sets on drive block There is connecting rod, the connecting rod passes through intercommunicating pore and stretches out outer housing.
A kind of safe and reliable adjustable railing positioning mechanism as described above, it is characterised in that in drive block and pressure Driving assembly is equipped between button, the driving component includes the extruding inclined-plane being arranged in clinching, in drive block and squeezes inclined-plane Corresponding position is equipped with driving inclined-plane.
A kind of safe and reliable adjustable railing positioning mechanism as described above, it is characterised in that set in the middle part of clinching There is longitudinal hole, the connecting rod is arranged in longitudinal hole.
Safe and reliable adjustable railing positioning mechanism as described above a kind of, it is characterised in that the elastic component is Top pressure spring is equipped with locating slot in the clinching rear end, and described top pressure spring one end presses against in locating slot, the top pressure spring The other end presses against on housing hollow inner wall.
A kind of safe and reliable adjustable railing positioning mechanism as described above, it is characterised in that set in clinching front end Have convenient for being detached from the resigning inclined-plane of locked object.
A kind of safe and reliable adjustable railing positioning mechanism as described above, it is characterised in that in outer housing upper end Equipped with connection step.
Safe and reliable adjustable railing positioning mechanism as described above a kind of, it is characterised in that outer housing includes The binding face of left shell and right shell body, the left shell and right shell body is equipped with location hole, and the positioning hole is plugged with pin Nail is fixed to each other.
A kind of adjustable railing includes the outer body of rod, is equipped on the outer body of rod and is from top to bottom equipped with several Adjustment hole is equipped with the interior body of rod in the outer bar body, is equipped with adjustable railing positioning mechanism, institute in the interior post Stating adjustable railing positioning mechanism includes outer housing, housing hollow is equipped in the outer housing, in outer case inside Outer wall is equipped with the lateral outer housing port being connected with housing hollow, clinching is movably equipped in housing hollow, in the pressure The elastic component that clinching front end can be made to stretch out lateral outer housing port is equipped between button rear end and housing hollow inner wall, in the shell The drive block that can make in clinching front end retraction transverse direction outer housing port when being pullled by external force is equipped in cavity, in outer housing longitudinal direction side It is equipped with the intercommunicating pore being connected with housing hollow upwards, connecting rod is equipped on drive block, the connecting rod is stretched across intercommunicating pore Outer housing out, the clinching front end are connected in adjustment hole, are connected with pulling rope, the pulling rope one in the connecting rod upper end The interior body of rod is stretched out at end.
A kind of adjustable railing as described above, it is characterised in that it is horizontal to be equipped with upper connection in the interior body of rod upper end Bar, is equipped with connection vertical bar in the upper connection cross bar outer end, lower connection cross bar is equipped in connection vertical bar lower end, in lower connection cross bar Inner end is equipped with guide ring, and the guiding coollar is located on the outer body of rod, and pilot hole, the drawing are equipped on the upper connection cross bar Rope is arranged in pilot hole.
A kind of adjustable railing as described above, it is characterised in that shake hands in pulling rope end equipped with pulling rope.
Present invention usefulness compared with prior art in summary:
One, the configuration of the present invention is simple, it is easy to use, meet people's use demand.
Two, security reliability of the present invention is very high, can bear pressure or impact force more than 1 ton;Arbitrary height is adjustable, side Just it adjusts to use occasion and is most suitable for height.
Three, it is of the invention it is ingenious use elastic force shackle designs, can be by connecting pulling rope, (or the lifting button on top), Again by pulling pulling rope to shake hands so that drive block is mobile, clinching can be laterally connected under the elastic force of elastic component on drive block Have on the pipeline or outer bar in duct, efficiently solve the problems, such as background technique by gravity reduction so that its installation activity Movable railing is made to become to be adjusted safely when on railing.
Four, the present invention passes through the design on clinching front end resigning inclined-plane, can not have to by switch, by the indentation of inclined-plane thrust Realization directly draw high, without down when then must by switch guarantee safely.And because of inclined-plane, when making to glide clinching front end with Pilot hole has larger gap, guarantees that confirmation clinching is locked, will not the offside decline because of excessive velocities.
Five, of the invention practical, being mounted on is only a kind of case study on implementation, Ke Yiman on adjustable railing The sufficient more occasion demands of user.
Detailed description of the invention
Fig. 1 is stereoscopic schematic diagram of the invention;
Fig. 2 is exploded view of the invention;
Fig. 3 is another visual angle exploded view of the invention;
Fig. 4 looks up exploded view for of the invention;
Fig. 5 is the perspective view that the present invention is mounted on movable railing;
Fig. 6 is that the present invention is mounted on sectional view on movable railing;
Fig. 7 is part A enlarged diagram in Fig. 6.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
As shown in figs. 1-7, a kind of safe and reliable adjustable railing positioning mechanism, includes outer housing 1, described It is equipped with housing hollow 12 in outer housing 1, the lateral outer housing being connected with housing hollow 12 is equipped on 1 inside outer wall of outer housing Port 11 is movably equipped with clinching 3 in housing hollow 12, and energy is equipped between 3 rear end of clinching and 12 inner wall of housing hollow 3 front end of clinching is set to stretch out the elastic component 32 of lateral outer housing port 11, equipped with when being pullled by external force in the housing hollow 12 It can make the drive block 2 in 3 front end retraction transverse direction outer housing port 11 of clinching, be equipped on 1 longitudinal direction of outer housing and shell sky The intercommunicating pore 13 that chamber 12 is connected, is equipped with connecting rod 21 on drive block 2, and the connecting rod 21 passes through intercommunicating pore 13 and stretches out shell Body 1.Drive block herein is bonded housing hollow inner wall, and can be convenient causes drive block transposition to avoid this hair when pulling outer housing The work of bright following driving assembly, at the same it is of the invention it is ingenious use elastic force shackle designs, can by connecting pulling rope, then By pulling pulling rope to shake hands so that drive block is mobile, clinching can be laterally connected under the elastic force of elastic component on drive block On the pipeline or outer bar in duct, efficiently solve the problems, such as background technique by gravity reduction so that its installation activity column Movable railing is made to become to be adjusted safely when on bar.
Driving assembly is equipped in the present invention between drive block 2 and clinching 3, the driving component includes being arranged in clinching 3 On extruding inclined-plane 34, driving inclined-plane 22 is equipped on the corresponding position in inclined-plane 34 with squeezing in drive block 2.Driving assembly is adopted herein Decomposition principle is firmly learned, drive block and clinching press part have been done inclined surface, can be convenient when clinching is moved forward and backward and do in this way Guiding role, so that avoiding clinching from deviateing original position when retraction presses again blocks lateral outer housing port.
Longitudinal hole 33 is equipped in the present invention in the middle part of clinching 3, the connecting rod 21 is arranged in longitudinal hole 33.In order to Move forward and backward clinching, to devise longitudinal hole, longitudinal hole can clinching move forward and backward do not press and Resigning connecting rod is that clinching can do the necessary design of back-and-forth motion.
Heretofore described elastic component 32 is top pressure spring, is equipped with locating slot 30, the press bullet in 3 rear end of clinching Spring one end presses against in locating slot 30, and the top pressure spring other end presses against on 12 inner wall of housing hollow.Herein to elastic component Explanation, top pressure spring press housing hollow inner wall clinching is moved back and forth on lateral outer housing port, make in this way It is of the invention become to be adjusted, is durable, this is also one of key of the invention.
It is equipped in the present invention in 3 front end of clinching convenient for being detached from the resigning inclined-plane 35 of locked object.In order to facilitate clinching upward It toward retraction when movement, is decomposed to design resigning inclined-plane according to mechanics, can not had to by switch, it is real by the indentation of inclined-plane thrust Now directly draw high, without down when then must by switch guarantee safety.And because of inclined-plane, when making to glide clinching front end with lead There is larger gap to hole, guarantees that confirmation clinching is locked, it will not the offside decline because of excessive velocities.
Connection step 14 is equipped in 1 upper end of outer housing in the present invention.Connection step herein be for accepting fixed object, Movable railing is exactly to be fixedly connected on step in a kind of example case study on implementation described as follows.
Outer housing 1 includes left shell 10 and right shell body 101, the patch of the left shell 10 and right shell body 101 in the present invention Conjunction face is equipped with location hole 15, and the location hole 15 is plugged with pin and is fixed to each other.In order to facilitate the installation of outer housing, outer Shell is done into two, then is fixed by pin, this way, which also facilitates, carries out quick-replaceable to the component in outer housing.
It is the case study on implementation that the present invention is mounted on movable railing below:
A kind of adjustable railing includes the outer body of rod 4, is equipped on the outer body of rod 4 from top to bottom equipped with several A adjustment hole 41 is equipped with the interior body of rod 42 in the outer body of rod 4, fixed equipped with adjustable railing in interior 42 bottom of the body of rod Position mechanism, the adjustable railing positioning mechanism includes outer housing 1, and housing hollow 12 is equipped in the outer housing 1, The lateral outer housing port 11 being connected with housing hollow 12 is equipped on 1 inside outer wall of outer housing, it is living in housing hollow 12 Dynamic to be equipped with clinching 3, being equipped between 3 rear end of clinching and 12 inner wall of housing hollow can make 3 front end of clinching stretch out lateral shell The elastic component 32 of body port 11,3 front end retraction of clinching can be made lateral out by being equipped with when being pullled by external force in the housing hollow 12 Drive block 2 in shell port 11 is equipped with the intercommunicating pore 13 being connected with housing hollow 12 on 1 longitudinal direction of outer housing, Drive block 2 is equipped with connecting rod 21, and the connecting rod 21 passes through intercommunicating pore 13 and stretches out outer housing 1, and 3 front end of clinching is connected to In adjustment hole 41, it is connected with pulling rope 5 in 21 upper end of connecting rod, the interior body of rod 42 is stretched out in described 5 one end of pulling rope.It is aobvious and easy The present invention seen can make movable railing become adjustable when being mounted on movable railing, by pulling pulling rope that can make It is movable be pulled in the outer body of rod and move up dynamic, mobile to be fixed on the outer body of rod when stopping again, the outer body of rod can also be other herein Pipeline.
A kind of adjustable railing is equipped with upper connection cross bar 6 in interior 42 upper end of the body of rod, in the upper connection cross bar 6 outer ends are equipped with connection vertical bar 7, are equipped with lower connection cross bar 71 in connection 7 lower end of vertical bar, are equipped with guiding in lower 71 inner end of connection cross bar Ring 72, the guide ring 72 are set on the outer body of rod 4, and pilot hole 61, the pulling rope 5 are equipped on the upper connection cross bar 6 It is arranged in pilot hole 61.Guide ring is first is that the interior body of rod can be fixed, second is that guiding role, portable propelling railing is when moving not Detent, pilot hole is laborsaving when can facilitate pulling for pulling rope guiding, while can also protect pulling rope, and guide ring also may be used among the above For closed type pipeline, the guide ring of semitight is shown here for simple and clear, is another replacement using closed type pipeline Scheme.
A kind of adjustable railing, it is characterised in that be equipped with pulling rope knob 51 in 5 end of pulling rope.In order to facilitate drawing Dynamic pulling rope is to devise pulling rope knob, and pulling rope shakes hands to increase the forced area of manpower and pulling rope, so as to more For the pulling pulling rope of comfortable labor-saving, pulling rope knob is equivalent to control positioning mechanism switch.
A kind of adjustable railing, it is characterised in that the pulling buckle that can be held, the drawing are equipped on movable railing 1 5 one end of restricting are connected with pulling buckle.It is herein another case study on implementation of displacement pulling rope knob, that is, holds movable railing and mediate again Lifting button move up can so that movable railing can be moved up in outer tube it is dynamic, on mobile outer tube fixed when stopping.
Basic principles and main features and advantages of the present invention of the invention, the skill of the industry has been shown and described above Art personnel are not it should be appreciated that the present invention is limited by upper embodiment, and the above embodiments and description only describe this Inventive principle, without departing from the spirit and scope of the present invention, the present invention can also various changes and modifications, these variation and Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent Object defines.

Claims (10)

1. a kind of safe and reliable adjustable railing positioning mechanism, includes outer housing (1), in the outer housing (1) Equipped with housing hollow (12), it is logical that the lateral outer housing being connected with housing hollow (12) is equipped on the outer wall of outer housing (1) inside Mouth (11), it is characterised in that: clinching (3) are movably equipped in housing hollow (12), in the clinching (3) rear end and housing hollow (12) elastic component (32) that clinching (3) front end can be made to stretch out lateral outer housing port (11) is equipped between inner wall, in the shell The drive block (2) that can make in clinching (3) front end retraction transverse direction outer housing port (11) when being pullled by external force is equipped in cavity (12), The intercommunicating pore (13) being connected with housing hollow (12) is equipped on outer housing (1) longitudinal direction, the company of being equipped on drive block (2) Extension bar (21), the connecting rod (21) pass through intercommunicating pore (13) and stretch out outer housing (1).
2. the safe and reliable adjustable railing positioning mechanism of one kind according to claim 1, it is characterised in that driving Driving assembly is equipped between motion block (2) and clinching (3), the driving component includes the extruding inclined-plane being arranged on clinching (3) (34), driving inclined-plane (22) are equipped on position corresponding with inclined-plane (34) are squeezed in drive block (2).
3. the safe and reliable adjustable railing positioning mechanism of one kind according to claim 1, it is characterised in that pressing It detains and is equipped with longitudinal hole (33) in the middle part of (3), connecting rod (21) setting is in longitudinal hole (33).
4. the safe and reliable adjustable railing positioning mechanism of one kind according to claim 1, it is characterised in that described Elastic component (32) is top pressure spring, is equipped with locating slot (30) in the clinching (3) rear end, described top pressure spring one end presses against fixed In position slot (30), the top pressure spring other end is pressed against on housing hollow (12) inner wall.
5. the safe and reliable adjustable railing positioning mechanism of one kind according to claim 1, it is characterised in that pressing (3) front end is detained to be equipped with convenient for being detached from the resigning inclined-plane (35) of locked object.
6. the safe and reliable adjustable railing positioning mechanism of one kind according to claim 1, it is characterised in that outside Shell (1) upper end is equipped with connection step (14).
7. the safe and reliable adjustable railing positioning mechanism of one kind according to claim 1, it is characterised in that shell Body (1) includes left object (10) and right shell body (101), and the binding face of the left shell (10) and right shell body (101) is equipped with Location hole (15) is plugged with pin in the location hole (15) and is fixed to each other.
8. a kind of adjustable railing includes the outer body of rod (4), in the outer body of rod (4) if on be equipped with and be from top to bottom equipped with Dry adjustment hole (41), is equipped with the interior body of rod (42) in the outer body of rod (4), it is characterised in that: at the interior body of rod (42) bottom Portion is equipped with adjustable railing positioning mechanism, and the adjustable railing positioning mechanism includes outer housing (1), described Housing hollow (12) are equipped in outer housing (1), are equipped with the cross being connected with housing hollow (12) on the outer wall of outer housing (1) inside To outer housing port (11), clinching (3) are movably equipped in housing hollow (12), in the clinching (3) rear end and housing hollow (12) elastic component (32) that clinching (3) front end can be made to stretch out lateral outer housing port (11) is equipped between inner wall, in the shell The drive block (2) that can make in clinching (3) front end retraction transverse direction outer housing port (11) when being pullled by external force is equipped in cavity (12), The intercommunicating pore (13) being connected with housing hollow (12) is equipped on outer housing (1) longitudinal direction, the company of being equipped on drive block (2) Extension bar (21), the connecting rod (21) pass through intercommunicating pore (13) and stretch out outer housing (1), and clinching (3) front end is connected to adjusting It in hole (41), is connected with pulling rope (5) in the connecting rod (21) upper end, the interior body of rod (42) is stretched out in described pulling rope (5) one end.
9. a kind of adjustable railing according to claim 8, it is characterised in that set in the interior body of rod (42) upper end There is upper connection cross bar (6), be equipped with connection vertical bar (7) in upper connection cross bar (6) outer end, is equipped in connection vertical bar (7) lower end Lower connection cross bar (71) is equipped with guide ring (72) in lower connection cross bar (71) inner end, and the guide ring (72) is set in the outer body of rod (4) on, pilot hole (61) are equipped on the upper connection cross bar (6), pulling rope (5) setting is in pilot hole (61).
10. a kind of adjustable railing according to claim 9, it is characterised in that be equipped with and lead in pulling rope (5) end Drawstring shakes hands (51).
CN201811056822.6A 2018-09-11 2018-09-11 Safe and reliable's adjustable movable railing positioning mechanism Active CN109057200B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811056822.6A CN109057200B (en) 2018-09-11 2018-09-11 Safe and reliable's adjustable movable railing positioning mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811056822.6A CN109057200B (en) 2018-09-11 2018-09-11 Safe and reliable's adjustable movable railing positioning mechanism

Publications (2)

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CN109057200A true CN109057200A (en) 2018-12-21
CN109057200B CN109057200B (en) 2024-02-13

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CN201811056822.6A Active CN109057200B (en) 2018-09-11 2018-09-11 Safe and reliable's adjustable movable railing positioning mechanism

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB482963A (en) * 1936-10-13 1938-04-08 Herbert Linwood Sleigh Improvements in lock mechanism
US5957437A (en) * 1997-08-13 1999-09-28 Savenok; Peter Balustrade and connector combination
CN104453128A (en) * 2014-12-01 2015-03-25 沈阳远大铝业工程有限公司 Assembly type railing inserting and positioning device
CN204761631U (en) * 2015-03-24 2015-11-11 宁波江北鑫祥音响电子有限公司 Quick support that extends automatic locking
CN208996340U (en) * 2018-09-11 2019-06-18 广州拓信金属制品有限责任公司 A kind of reliable adjustable railing positioning mechanism of new type of safe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB482963A (en) * 1936-10-13 1938-04-08 Herbert Linwood Sleigh Improvements in lock mechanism
US5957437A (en) * 1997-08-13 1999-09-28 Savenok; Peter Balustrade and connector combination
CN104453128A (en) * 2014-12-01 2015-03-25 沈阳远大铝业工程有限公司 Assembly type railing inserting and positioning device
CN204761631U (en) * 2015-03-24 2015-11-11 宁波江北鑫祥音响电子有限公司 Quick support that extends automatic locking
CN208996340U (en) * 2018-09-11 2019-06-18 广州拓信金属制品有限责任公司 A kind of reliable adjustable railing positioning mechanism of new type of safe

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