CN113247836B - Lifting railing with telescopic extension rod - Google Patents
Lifting railing with telescopic extension rod Download PDFInfo
- Publication number
- CN113247836B CN113247836B CN202110639792.7A CN202110639792A CN113247836B CN 113247836 B CN113247836 B CN 113247836B CN 202110639792 A CN202110639792 A CN 202110639792A CN 113247836 B CN113247836 B CN 113247836B
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- China
- Prior art keywords
- clamping block
- extension rod
- lifting
- guide rail
- cavity
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention relates to the technical field of lifting railings, in particular to a lifting railing with a telescopic extension rod, which comprises a plurality of guide rail columns, wherein a fixed frame body and a lifting frame body which are arranged in parallel are arranged between the adjacent guide rail columns. According to the invention, the extension rods which can be stretched in the sliding cavities of the guide rail columns and the hollow inner cavities of the vertical frame bodies are arranged, so that the overall height of the lifting frame body is not reduced while the stability of the lifting frame body at the highest position is ensured, the height of the lifting handrail which can be increased is further improved, and a wider wind and rain shielding effect is achieved.
Description
Technical Field
The invention relates to the technical field of lifting railings, in particular to a lifting railing with a telescopic extension rod.
Background
Patent CN201921359542.2 discloses a liftable handrail, which includes a fixed handrail, a movable handrail and two sets of assembling posts, wherein the bottom side of the movable handrail is connected with an extension bar for extending the height of the movable handrail so as to improve the stability of the movable handrail, and the arrangement of the extension bar at the lower end of the movable handrail can improve the stability of the movable handrail in an ascending state to a certain extent, but because the upper end of the movable handrail needs to be consistent with the upper end of the fixed handrail in the height direction in a descending state, the extension bar can lead to the corresponding reduction of the overall height of the movable handrail, i.e. the maximum height of the liftable handrail is correspondingly reduced, and the wind and rain shielding capability of the liftable handrail is restricted; secondly, the extension bar causes the lower end of the movable railing and the lower end of the fixed railing not to be on the same horizontal plane, which affects the appearance decoration effect of the product; in addition, because there is the clearance between extension bar and the first guide rail of erection column, it is limited to lead to its stability that can increase, still has great potential safety hazard.
Disclosure of Invention
The invention aims to provide a lifting handrail with a telescopic extension rod aiming at the prior technical situation.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a take lift railing of scalable extension rod, includes a plurality of guide rail posts, is equipped with parallel arrangement's fixed frame body and lift framework between the adjacent guide rail post, its characterized in that, the guide rail post be equipped with the chamber of slideing that supplies the lift framework to slide along length direction, the lift framework is including sliding to locate the perpendicular framework body that slides on the chamber, the mullion body is equipped with the cavity inner chamber, and the bottom of mullion body is equipped with the opening in intercommunication cavity inner chamber and the chamber of sliding, the cavity inner chamber is connected with the extension rod, be equipped with between extension rod and the cavity inner chamber and be used for driving the extension rod flexible in cavity inner chamber and slide the elastic component between the chamber.
Preferably, the one end that the open-ended was kept away from to cavity inner chamber is equipped with the fixed block, be equipped with spacing anchor ring between fixed block and the opening, the one end that the gliding chamber was kept away from to the extension rod is equipped with the spacing rib that is used for offsetting with spacing anchor ring, the both ends of elastic component are connected with the one end that gliding chamber was kept away from to fixed block and extension rod respectively.
Preferably, the elastic member is a gas spring or a column spring.
Preferably, the guide rail column is further provided with an installation groove rail for installing and fixing the frame body.
Preferably, the lifting frame body is connected with a driving piece for driving the lifting frame body to lift.
Preferably, still be equipped with the fixing bolt who is used for the top to support fixed extension rod on the guide rail post, fixing bolt sets up along the vertical direction in slide chamber, the slide chamber is worn to be equipped with the via hole that supplies fixing bolt to run through, the bottom edge of extension rod extends to week side and forms the steady fin of dimension.
Preferably, the lateral wall of extension rod is equipped with first chucking piece, the lateral wall in slide chamber is equipped with and is used for the second chucking piece with first chucking piece matched with, first chucking piece all is the right triangle structure with the cross section of second chucking piece, and the triangle-shaped area of first chucking piece is greater than the triangle-shaped area of second chucking piece, first chucking piece all is equipped with the inclined plane of top-down to the direction slope of keeping away from the extension rod with second chucking piece terminal surface in opposite directions.
Preferably, the first clamping block is arranged on the side wall of the stabilizing convex rib.
Preferably, the lateral wall of erecting the framework is equipped with the third chucking piece, the lateral wall in slide chamber is equipped with and is used for the fourth chucking piece with third chucking piece matched with, the third chucking piece all is the right triangle structure with the cross section of fourth chucking piece, and the triangle-shaped area of fourth chucking piece is greater than the triangle-shaped area of third chucking piece, third chucking piece all is equipped with the slope surface of top-down slope to the direction slope that is close to slide chamber with fourth chucking piece terminal surface in opposite directions.
The invention has the beneficial effects that:
according to the invention, the extension rods which can be stretched in the sliding cavities of the guide rail columns and the hollow inner cavities of the vertical frame bodies are arranged, so that the overall height of the lifting frame body is not reduced while the stability of the lifting frame body at the highest position is ensured, the height of the lifting handrail which can be increased is further improved, and a wider wind and rain shielding effect is achieved.
In addition, the elastic component still provides the cushioning effect for the lifting frame body when falling to ground and suffer beyond, improves the security performance of lift railing.
Drawings
Fig. 1 is a front view of the lifting frame of example 1 in the uppermost position.
Fig. 2 is a side view of the lifting frame of example 1 in the uppermost position.
Fig. 3 is a top view of the lifting balustrade of embodiment 1.
Figure 4 is a side view of the elevator frame of example 2 in the uppermost position.
Fig. 5 is a top view of the lifting balustrade of embodiment 2.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
example 1
Referring to fig. 1-3, the present invention discloses a lifting handrail with a telescopic extension rod, which includes a plurality of guide rail columns 1, a fixing frame 2 and a lifting frame 3 are disposed between adjacent guide rail columns 1, the guide rail columns 1 are provided with a sliding cavity 11 along a length direction for the lifting frame 3 to slide, the lifting frame 3 includes a vertical frame 31 slidably disposed on the sliding cavity 11, a hollow cavity 32 is disposed at a lower end of the vertical frame 31, an opening communicating the hollow cavity 32 with the sliding cavity 11 is disposed at a bottom of the vertical frame 31, the hollow cavity 32 is connected with the extension rod 4, an elastic member 5 for driving the extension rod 4 to extend and retract between the hollow cavity 32 and the sliding cavity 11 is disposed between the extension rod 4 and the hollow cavity 32, and a resilient force of the elastic member 5 is sufficient to prevent the lifting frame 3 and the extension rod 4 from rebounding.
In the invention, when the lifting frame body 3 is positioned at the bottommost position, the extension rod 4 is contracted in the hollow inner cavity 32, under the condition that the upper end surface of the lifting frame body 3 is ensured to be flush with the fixed frame body 2, more space is vacated for accommodating the lifting frame body 3, the height of the lifting frame body 3 is increased, at the moment, the elastic part 5 is in a compression energy storage state, the upper end and the lower end of the lifting frame body 3 are flush with the fixed frame body 2, the lifting handrail is more concise and attractive, when the lifting frame body 3 ascends, the elastic part 5 extends and bounces to drive the extension rod 4 to extend towards the sliding cavity 11 until the lifting frame body 3 ascends to the highest position, part of the rod body of the extension rod 4 extends into the sliding cavity 11, and part of the rod body is remained in the hollow inner cavity 32 to provide support for the lifting frame body 3.
According to the invention, by arranging the extension rod 4 which can be extended and retracted in the sliding cavity 11 of the guide rail column 1 and the hollow inner cavity 32 of the vertical frame body 31, the stability of the lifting frame body 3 at the highest position is ensured, the overall height of the lifting frame body 3 is not reduced, the height of the lifting handrail which can be increased is increased, and a wider wind and rain shielding effect is achieved.
In addition, the elastic piece 5 also provides the buffering effect for the lifting frame body 3 when falling to the ground and outside the falling, and the safety performance of the lifting handrail is improved.
The hollow inner cavity 32 is provided with a fixing block 33 at one end far away from the opening, a limiting ring surface 34 is arranged between the fixing block 33 and the opening, a limiting protruding rib 41 used for abutting against the limiting ring surface 34 is arranged at one end, far away from the sliding cavity 11, of the extension rod 4, the limiting protruding rib 41 is arranged on the outer peripheral wall of the extension rod, and two ends of the elastic part 5 are respectively connected with the fixing block 33 and one end, far away from the sliding cavity 11, of the extension rod 4.
When the lifting frame body 3 ascends, the elastic part 5 extends and stretches to drive the extension rod 4 to move towards the sliding cavity 11 until the limiting convex rib 41 abuts against the limiting ring surface 34, at the moment, the elastic part 5 abuts against between the fixed block 33 and the limiting ring surface 34, and the extension rod 4 reaches the final extension position.
The elastic member 5 is a gas spring or a column spring.
The guide rail column 1 is also provided with an installation groove rail used for installing the fixed frame body 2, and the installation groove rail is arranged along the parallel direction of the sliding cavity.
The lifting mode of the lifting frame body 3 can be realized by a manual mode (such as manual lifting) or an automatic mode, and the lifting structure in the prior art can be utilized, so that the requirement is not required, and only the lifting frame body 3 can be lifted.
In an embodiment, the lifting frame 3 is connected to a driving member (not shown) for driving the lifting frame 3 to lift, the driving member may be any one of an electric push rod, a hydraulic rod, or a motor screw, and the lifting frame 3 is driven to lift by the telescopic driving of the working end of the electric push rod/hydraulic rod, or the motor is driven to rotate the screw, so as to drive the lifting frame 3 to lift.
Still be equipped with on the guide rail post 1 and be used for the top to support fixed extension rod 4's fixing bolt 6, fixing bolt 6 sets up along the vertical direction that slides chamber 11, and the chamber 11 that slides is worn to be equipped with the via hole that supplies fixing bolt 6 to run through, and in this embodiment, the via hole is the screw, is equipped with the screw thread that mutually supports with the screw on the fixing bolt 6, and it is fixed mutually with guide rail post 1 to make fixing bolt 6 through the screw and the mutual spiro union of fixing bolt 6, and the bottom edge of extension rod 4 extends to week side and forms dimension steady fin 42.
After the lifting frame body 3 is lifted, the fixing bolt 6 is pushed into the sliding cavity 11 until the fixing bolt 6 is pushed and extruded to the extension rod 4, an upper stress point is formed, the stability maintaining convex rib 42 at the bottom of the extension rod 4 is contacted with the inner wall of the sliding cavity 11, a lower stress point is formed, and the stability of the lifting frame body 3 after lifting is further improved through the mutual matching of the upper stress point and the lower stress point.
Example 2
Referring to fig. 4 to 5, the difference between this embodiment and embodiment 1 is that a first clamping block 71 is disposed on a side wall of the extension rod 4, a second clamping block 72 for matching with the first clamping block 71 is disposed on a side wall of the sliding cavity 11, cross sections of the first clamping block 71 and the second clamping block 72 are both in a right-angled triangle structure, a triangular area of the first clamping block 71 is larger than a triangular area of the second clamping block 72, and inclined surfaces inclined from top to bottom in a direction away from the extension rod 4 are disposed on opposite end surfaces of the first clamping block 71 and the second clamping block 72.
In the invention, the first clamping block 71 and the second clamping block 72 which are oppositely arranged are arranged between the extension rod 4 and the sliding cavity 11, and a plurality of groups of the first clamping block 71 and the second clamping block 72 can be arranged.
The first clamping block 71 is arranged on the side wall of the dimensionally stable protruding rib 42, when the lifting frame body 3 rises to the highest position, the first clamping block 71 and the second clamping block 72 are mutually compressed, the dimensionally stable protruding rib 42 is pushed to abut against the inner side wall of the sliding cavity, a lower stable accepting point is formed, and the stability of the lifting frame body 3 after rising is further improved.
The lateral wall of the vertical frame body 31 is provided with a third clamping block 73, the lateral wall of the sliding cavity 11 is provided with a fourth clamping block 74 matched with the third clamping block 73, the cross sections of the third clamping block 73 and the fourth clamping block 74 are both in a right-angled triangle structure, the triangular area of the fourth clamping block 74 is larger than that of the third clamping block 73, and the opposite end surfaces of the third clamping block 73 and the fourth clamping block 74 are both provided with an inclined slope surface inclined from top to bottom in the direction close to the sliding cavity 11.
Further, a third clamping block 73 and a fourth clamping block 74 may be disposed between the sliding cavity 11 and the mullion 31, and a plurality of sets of the third clamping block 73 and the fourth clamping block 74 may be disposed, in this embodiment, the third clamping block 73 and the fourth clamping block 74 are a set, and the third clamping block 73 and the fourth clamping block 74 are both disposed above the first clamping block 71 and the second clamping block 72, when the lifting frame 3 is lifted to the highest position, the third clamping block 73 and the fourth clamping block 74 are pressed against each other to form an upper stable accepting point, and the upper stable accepting point and the lower stable accepting point are matched with each other, so that the upper end and the lower end of the lifting frame are stably accepted, and the stability of the lifting frame 3 after being lifted is effectively enhanced.
It should be understood that the above-mentioned drawings are merely illustrative of the preferred embodiments of the present invention, and that the scope of the invention is not limited thereto.
Claims (9)
1. The utility model provides a take lift railing of scalable extension rod, includes a plurality of guide rail posts, is equipped with parallel arrangement's fixed frame body and lift framework between the adjacent guide rail post, its characterized in that, the guide rail post be equipped with the chamber of slideing that supplies the lift framework to slide along length direction, the lift framework is including sliding to locate the perpendicular framework body that slides on the chamber, the mullion body is equipped with the cavity inner chamber, and the bottom of mullion body is equipped with the opening in intercommunication cavity inner chamber and the chamber of sliding, the cavity inner chamber is connected with the extension rod, be equipped with between extension rod and the cavity inner chamber and be used for driving the extension rod flexible in cavity inner chamber and slide the elastic component between the chamber.
2. The lifting handrail with the telescopic extension rod as claimed in claim 1, wherein a fixing block is disposed at an end of the hollow inner cavity away from the opening, a limiting ring surface is disposed between the fixing block and the opening, a limiting rib for abutting against the limiting ring surface is disposed at an end of the extension rod away from the sliding cavity, and two ends of the elastic member are respectively connected to the fixing block and an end of the extension rod away from the sliding cavity.
3. The lifting rail with the telescopic extension rod as claimed in claim 1, wherein the elastic member is a gas spring or a column spring.
4. The lifting handrail with the telescopic extension rod as claimed in any one of claims 1 to 3, wherein the guide rail column is further provided with a mounting groove rail for mounting a fixed frame.
5. The lifting handrail with the telescopic extension rod as claimed in any one of claims 1 to 3, wherein the lifting frame is connected with a driving member for driving the lifting frame to lift.
6. The lifting handrail with the telescopic extension rod as claimed in any one of claims 1 to 3, wherein the guide rail column is further provided with a fixing bolt for abutting against the fixing extension rod, the fixing bolt is arranged along a vertical direction of the sliding cavity, the sliding cavity is provided with a through hole for the fixing bolt to pass through, and a bottom edge of the extension rod extends towards the periphery to form a stable rib.
7. The lifting handrail with the telescopic extension rod as claimed in claim 6, wherein the side wall of the extension rod is provided with a first clamping block, the side wall of the sliding cavity is provided with a second clamping block matched with the first clamping block, the cross sections of the first clamping block and the second clamping block are in a right triangle structure, the triangular area of the first clamping block is larger than that of the second clamping block, and the opposite end surfaces of the first clamping block and the second clamping block are provided with inclined surfaces inclined from top to bottom in the direction away from the extension rod.
8. The lifting rail with the telescopic extension rod as claimed in claim 7, wherein the first clamping block is disposed on a sidewall of the stabilizing rib.
9. The lifting handrail with the telescopic extension rod as claimed in claim 6, wherein a third clamping block is arranged on the outer side wall of the vertical frame body, a fourth clamping block matched with the third clamping block is arranged on the side wall of the sliding cavity, the cross sections of the third clamping block and the fourth clamping block are in a right triangle structure, the triangular area of the fourth clamping block is larger than that of the third clamping block, and the opposite end surfaces of the third clamping block and the fourth clamping block are provided with inclined slope surfaces which incline from top to bottom to the direction close to the sliding cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110639792.7A CN113247836B (en) | 2021-06-09 | 2021-06-09 | Lifting railing with telescopic extension rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110639792.7A CN113247836B (en) | 2021-06-09 | 2021-06-09 | Lifting railing with telescopic extension rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113247836A CN113247836A (en) | 2021-08-13 |
| CN113247836B true CN113247836B (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110639792.7A Active CN113247836B (en) | 2021-06-09 | 2021-06-09 | Lifting railing with telescopic extension rod |
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| CN (1) | CN113247836B (en) |
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| CN213330397U (en) * | 2020-07-28 | 2021-06-01 | 株洲市安顺铁艺锌钢护栏有限公司 | Rail guard convenient to concatenation is fixed |
| CN113005953A (en) * | 2021-03-08 | 2021-06-22 | 合肥轩杰环境工程有限公司 | Protective fence mounting mechanism for municipal engineering and operation method thereof |
| CN213509943U (en) * | 2021-05-26 | 2021-06-22 | 佛山市南海颐高建材有限公司 | Column sealing structure of vertical frame and lifting railing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6725808B2 (en) * | 2002-05-07 | 2004-04-27 | Prairie Ridge Partners | Portable corral apparatus |
| US10689866B2 (en) * | 2016-11-07 | 2020-06-23 | Beziup Stanchion, LLC | Extendable construction stanchion |
| US10954687B2 (en) * | 2018-03-27 | 2021-03-23 | D Fence LLC | Fence installation method |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208564154U (en) * | 2018-05-01 | 2019-03-01 | 邯郸市丛台区浩瀚园林绿化工程有限公司 | A kind of reinforced afforestation isolated column |
| CN210342893U (en) * | 2019-06-03 | 2020-04-17 | 金鑫 | Construction guardrail |
| CN212924329U (en) * | 2020-07-14 | 2021-04-09 | 丰润建筑安装股份有限公司 | Construction elevator with rail guard |
| CN213330397U (en) * | 2020-07-28 | 2021-06-01 | 株洲市安顺铁艺锌钢护栏有限公司 | Rail guard convenient to concatenation is fixed |
| CN213269262U (en) * | 2020-09-08 | 2021-05-25 | 广东钜能建设有限公司 | Retractable prevents guardrail bar device |
| CN112603681A (en) * | 2020-12-25 | 2021-04-06 | 温州医科大学附属第一医院 | Sickbed with guardrails |
| CN113005953A (en) * | 2021-03-08 | 2021-06-22 | 合肥轩杰环境工程有限公司 | Protective fence mounting mechanism for municipal engineering and operation method thereof |
| CN213509943U (en) * | 2021-05-26 | 2021-06-22 | 佛山市南海颐高建材有限公司 | Column sealing structure of vertical frame and lifting railing |
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| Publication number | Publication date |
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| CN113247836A (en) | 2021-08-13 |
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