CN112983113A - Folding guardrail of reducible transportation volume - Google Patents
Folding guardrail of reducible transportation volume Download PDFInfo
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- CN112983113A CN112983113A CN201911212257.2A CN201911212257A CN112983113A CN 112983113 A CN112983113 A CN 112983113A CN 201911212257 A CN201911212257 A CN 201911212257A CN 112983113 A CN112983113 A CN 112983113A
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- fixed cylinder
- cylinder
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- 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
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1417—Post-and-rail fences, e.g. without vertical cross-members with vertical cross-members
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- 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
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- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
A folding guardrail capable of reducing transportation volume is characterized in that an upper cross bar and a lower cross bar which are parallel to each other and transversely arranged are connected between two stand columns, a plurality of vertical bars which are parallel to each other and longitudinally arranged are connected between the upper cross bar and the lower cross bar, the lower ends of the vertical bars are connected with the lower cross bar, the upper ends of the vertical bars penetrate through the upper cross bar and extend to the upper side of the upper cross bar, the folding guardrail further comprises a vertical positioning clamping seat and a horizontal positioning clamping seat which are fixed on the lower cross bar, each vertical bar comprises a fixed cylinder and a movable cylinder which are telescopically connected, through holes are formed in the upper cross bar, the movable cylinders can penetrate through the through holes and partially extend to the upper side of the upper cross bar, the fixed cylinders are rotatably connected with the lower cross bar, when the movable cylinders retract into the fixed cylinders, the fixed cylinders can rotate around the rotating connection parts of the fixed cylinders and the lower cross bars, when the fixed, when the fixed cylinder drives the movable cylinder to rotate to a horizontal position, the fixed cylinder is clamped in the bayonet of the horizontal positioning clamping seat.
Description
Technical Field
The invention belongs to the technical field of municipal equipment, and particularly relates to a folding guardrail capable of reducing transportation volume.
Background
The guardrail is mainly used for protecting and protecting personal safety and equipment facilities in occasions such as houses, roads, commercial districts, public places and the like. The guard rail is visible everywhere in our lives. The price per meter length of the guardrail can also be different according to the height.
Current guardrail, generally include the stand that two vertical intervals set up, be connected with horizontal pole and the sheer pole that is parallel to each other and transversely sets up between two stands, go up the horizontal pole and be located the sheer pole top, be connected with a plurality of montants that are parallel to each other and vertically set up between last horizontal pole and the sheer pole, go up horizontal pole, sheer pole, equal fixed connection between stand and the montant, perhaps at on-the-spot welded connection, that is to say, current guardrail volume is fixed, when needs are changeed, need occupy great transportation volume.
Therefore, for those skilled in the art, it is realistic to provide a folding guardrail with a new structure and a reduced transportation volume.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the folding guardrail with a novel structure, which can reduce the transportation volume, so as to reduce the transportation volume to a certain extent.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the utility model provides a folding guardrail of reducible transportation volume, includes the stand that two vertical intervals set up, is connected with the last horizontal pole and the sheer pole that are parallel to each other and transversely set up between two stands, goes up the horizontal pole and is located the sheer pole top, goes up and is connected with a plurality of montants that are parallel to each other and vertically set up between horizontal pole and the sheer pole, the lower extreme of montant with the sheer pole is connected, run through the upper end of montant go up the horizontal pole and extend go up the top of horizontal pole, its characterized in that: the vertical positioning clamping seat and the horizontal positioning clamping seat are fixed on the lower cross rod, the vertical rod comprises a fixed cylinder and a movable cylinder which are in telescopic connection, a through hole is formed in the upper cross rod, the movable cylinder can penetrate through the through hole and partially extends to the upper portion of the upper cross rod, the fixed cylinder is connected with the lower cross rod in a rotating mode, the movable cylinder retracts into the fixed cylinder, the fixed cylinder can rotate around the rotating connection position of the fixed cylinder and the lower cross rod, the fixed cylinder drives the movable cylinder to rotate to the vertical position, the fixed cylinder is clamped in a bayonet of the vertical positioning clamping seat, the movable cylinder can upwards penetrate through the through hole, the fixed cylinder drives the movable cylinder to rotate to the horizontal position, and the fixed cylinder is clamped in the bayonet of the horizontal positioning clamping seat.
As an improvement of the above folding fence which can reduce the transportation volume in one aspect, the fixed cylinder and the movable cylinder are screwed.
As an improvement of the folding guardrail capable of reducing the transportation volume, one of the fixed cylinder and the movable cylinder is provided with a sliding piece, and the other one is provided with a sliding groove in sliding fit with the sliding piece.
As an improvement of the folding guardrail capable of reducing the transportation volume, in one aspect, the fixed cylinder and the movable cylinder are provided with mutually corresponding limiting holes, and limiting pins are inserted into the limiting holes to limit the limit position of the movable cylinder relative to the fixed cylinder in the axial movement direction.
As an improvement of the folding guardrail capable of reducing the transportation volume, in one aspect, the fixed cylinder is rotatably connected with the lower cross bar through a rotating shaft or a bearing.
As an improvement of the above-mentioned folding guardrail capable of reducing the transportation volume in one aspect, the upright post comprises a fixed post, a movable post and a locking mechanism for limiting the relative position between the fixed post and the movable post, wherein the fixed post and the movable post are telescopically connected.
As an improvement of the folding guardrail capable of reducing the transportation volume, the fixed column is provided with a suspension seat for hoisting.
As an improvement of the folding guardrail capable of reducing the transportation volume, one end of the movable cylinder, which is back to the fixed cylinder, is pointed.
As an improvement of the above folding guardrail with a reduced transportation volume, the vertical positioning clamping seat and the horizontal positioning clamping seat are integrally formed with the lower cross bar.
As an improvement of the folding guardrail capable of reducing the transportation volume, the bayonets of the vertical positioning clamping seat and the horizontal positioning clamping seat are U-shaped.
Compared with the prior art, the invention has the advantages that: the folding guardrail capable of reducing the transportation volume comprises a vertical rod, a fixed cylinder and a movable cylinder, wherein the fixed cylinder and the movable cylinder are in telescopic connection, the upper cross rod is provided with a through hole, the movable cylinder can penetrate through the through hole and partially extend above the upper cross rod, the fixed cylinder is rotatably connected with the lower cross rod, when the movable cylinder retracts into the fixed cylinder, the fixed cylinder can rotate around the rotating connection part of the fixed cylinder and the lower cross rod, when the fixed cylinder drives the movable cylinder to rotate to a vertical position, the fixed cylinder is clamped in a bayonet of a vertical positioning clamping seat, the movable cylinder can upwards penetrate through the through hole, and when the fixed cylinder drives the movable cylinder to rotate to a horizontal position, the fixed cylinder is clamped in the bayonet of the horizontal positioning clamping seat, so that the transportation volume of the folding guardrail can be reduced to a certain extent, the folding guardrail is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a first embodiment of a folding guardrail capable of reducing transportation volume according to the invention in a first state.
Fig. 2 is a schematic structural view of the folding guardrail of the first embodiment for reducing the transportation volume of the invention in the second state.
Fig. 3 is a schematic structural view of the foldable guardrail of the first embodiment for reducing the transportation volume of the invention in the third state.
Fig. 4 is a schematic structural view of a second embodiment of the folding guardrail capable of reducing the transportation volume of the invention in the first state.
Fig. 5 is a schematic structural view of a second embodiment of the folding guardrail capable of reducing the transportation volume of the invention in a second state.
Fig. 6 is a schematic structural view of a second embodiment of the folding guardrail capable of reducing the transportation volume of the invention in a third state.
Fig. 7 is a schematic structural view of a third embodiment of the folding guardrail capable of reducing the transportation volume of the invention in the first state.
Fig. 8 is a schematic structural view of a third embodiment of the folding guardrail capable of reducing the transportation volume of the invention in a second state.
Fig. 9 is a schematic structural view of a third embodiment of the folding guardrail capable of reducing the transportation volume of the invention in a third state.
Illustration of the drawings:
1. a column; 2. an upper cross bar; 3. a lower cross bar; 4. a vertical rod; 5. vertically positioning the clamping seat; 6. horizontally positioning the card holder; 7. a fixed cylinder; 8. a movable barrel; 9. fixing a column; 10. a movable post; 11. a suspension seat.
Detailed Description
In order to facilitate an understanding of the invention, the invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below.
It should be particularly noted that when an element is referred to as being "fixed to, connected to or communicated with" another element, it can be directly fixed to, connected to or communicated with the other element or indirectly fixed to, connected to or communicated with the other element through other intermediate connecting components.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
Example one
As shown in fig. 1, 2 and 3, the invention provides a folding guardrail capable of reducing transportation volume, comprising two upright posts 1 vertically arranged at intervals, an upper cross bar 2 and a lower cross bar 3 which are parallel to each other and transversely arranged are connected between the two upright posts 1, the upper cross bar 2 is positioned above the lower cross bar 3, a plurality of vertical bars 4 which are parallel to each other and longitudinally arranged are connected between the upper cross bar 2 and the lower cross bar 3, the lower ends of the vertical bars 4 are connected with the lower cross bar 3, the upper ends of the vertical bars 4 penetrate through the upper cross bar 2 and extend to the upper side of the upper cross bar 2, the folding guardrail further comprises a vertical positioning clamping seat 5 and a horizontal positioning clamping seat 6 which are fixed on the lower cross bar 3, the vertical bars 4 comprise a fixed cylinder 7 and a movable cylinder 8 which are telescopically connected, a through hole (not shown in the figure) is arranged on the upper cross bar 2, the movable cylinder 8 can penetrate, the fixed cylinder 7 is rotatably connected with the lower cross bar 3, when the movable cylinder 8 retracts into the fixed cylinder 7, the fixed cylinder 7 can rotate around the rotating connection position of the fixed cylinder 7 and the lower cross bar 3, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to a vertical position, the fixed cylinder 7 is clamped in a clamping opening of the vertical positioning clamping seat 5, the movable cylinder 8 can upwards penetrate through the through hole, and when the fixed cylinder 7 drives the movable cylinder 8 to rotate to a horizontal position, the fixed cylinder 7 is clamped in a clamping opening of the horizontal positioning clamping seat 6.
Optionally, the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6 are integrally formed with the bottom cross bar 3, that is, the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6 are integrally processed with the bottom cross bar 3, the clamping openings of the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6 are U-shaped, fastening portions (not shown in the figure) processed by plastics are arranged in the clamping openings, the fastening portions of the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6, which have certain elasticity due to plastics, are tightly matched with the fixed cylinder 7, so that the fixed cylinder 7 is clamped in the clamping openings of the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6 and cannot be released at will, and can be released by force.
The invention relates to a folding guardrail capable of reducing transportation volume, wherein a vertical rod 4 comprises a fixed cylinder 7 and a movable cylinder 8 which are in telescopic connection, a through hole is formed in an upper cross rod 2, the movable cylinder 8 can be penetrated through the through hole and partially extends to the upper part of the upper cross rod 2, the fixed cylinder 7 is rotatably connected with a lower cross rod 3, when the movable cylinder 8 retracts into the fixed cylinder 7, the fixed cylinder 7 can rotate around the rotating connection part of the fixed cylinder 7 and the lower cross rod 3, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to a vertical position, the fixed cylinder 7 is clamped in a clamping opening of a vertical positioning clamping seat 5, the movable cylinder 8 can upwards penetrate through the through hole, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to a horizontal position, the fixed cylinder 7 is clamped in a clamping opening of a horizontal positioning clamping seat 6, so that the transportation volume of the folding guardrail can be reduced to a certain extent, the folding.
As a practical form of the telescopic connection between the fixed cylinder 7 and the movable cylinder 8, the fixed cylinder 7 and the movable cylinder 8 are connected by screw threads, and the movable cylinder 8 is extended and retracted relative to the fixed cylinder 7 by rotating the movable cylinder 8 in a forward and reverse direction. In an equivalent practical form, one of the fixed cylinder 7 and the movable cylinder 8 is provided with a sliding part (not shown in the figure), and the other one is provided with a sliding groove (not shown in the figure) in sliding fit with the sliding part, the sliding part can be a ball or a roller or a sliding block, in order to facilitate the limiting of the relative position between the fixed cylinder 7 and the movable cylinder 8, the fixed cylinder 7 and the movable cylinder 8 are provided with mutually corresponding limiting holes (not shown in the figure), and a limiting pin (not shown in the figure) is inserted into the limiting holes to limit the limit position of the axial movement of the movable cylinder 8 relative to the fixed cylinder 7.
Specifically, optionally, the fixed cylinder 7 is rotatably connected with the bottom rail 3 through a rotating shaft (not shown in the figure) or a bearing (not shown in the figure), if the fixed cylinder 7 is rotatably connected with the bottom rail 3 through a bearing, an inner ring of the bearing is fixedly connected with the bottom rail 3, an outer ring of the bearing is fixedly connected with the fixed cylinder 7, and an inner ring of the bearing is rotatably matched with an outer ring of the bearing.
In order to improve the anti-climbing function of the vertical rod 4, one end of the movable cylinder back to the fixed cylinder is pointed.
In summary, according to the folding guardrail capable of reducing the transportation volume, the vertical rod 4 comprises the fixed cylinder 7 and the movable cylinder 8 which are in telescopic connection, the upper cross rod 2 is provided with the through hole, the movable cylinder 8 can be provided with the through hole and partially extends above the upper cross rod 2, the fixed cylinder 7 is rotatably connected with the lower cross rod 3, when the movable cylinder 8 retracts into the fixed cylinder 7, the fixed cylinder 7 can rotate around the rotating connection part of the fixed cylinder 7 and the lower cross rod 3, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to the vertical position, the fixed cylinder 7 is clamped in the clamping opening of the vertical positioning clamping seat 5, the movable cylinder 8 can upwards penetrate through the through hole, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to the horizontal position, the fixed cylinder 7 is clamped in the clamping opening of the horizontal positioning clamping seat 6, so that the transportation volume of the folding guardrail can be reduced to a certain extent, the transportation and the storage are convenient.
Example two
As shown in fig. 4, 5 and 6, the invention provides a folding guardrail capable of reducing transportation volume, comprising two upright posts 1 vertically arranged at intervals, an upper cross bar 2 and a lower cross bar 3 which are parallel to each other and transversely arranged are connected between the two upright posts 1, the upper cross bar 2 is positioned above the lower cross bar 3, a plurality of vertical bars 4 which are parallel to each other and longitudinally arranged are connected between the upper cross bar 2 and the lower cross bar 3, the lower ends of the vertical bars 4 are connected with the lower cross bar 3, the upper ends of the vertical bars 4 penetrate through the upper cross bar 2 and extend to the upper side of the upper cross bar 2, the folding guardrail further comprises a vertical positioning clamping seat 5 and a horizontal positioning clamping seat 6 which are fixed on the lower cross bar 3, the vertical bars 4 comprise a fixed cylinder 7 and a movable cylinder 8 which are telescopically connected, the upper cross bar 2 is provided with through holes, the movable cylinder 8 can penetrate through the through holes and, the fixed cylinder 7 is rotatably connected with the lower cross bar 3, when the movable cylinder 8 retracts into the fixed cylinder 7, the fixed cylinder 7 can rotate around the rotating connection position of the fixed cylinder 7 and the lower cross bar 3, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to a vertical position, the fixed cylinder 7 is clamped in a clamping opening of the vertical positioning clamping seat 5, the movable cylinder 8 can upwards penetrate through the through hole, and when the fixed cylinder 7 drives the movable cylinder 8 to rotate to a horizontal position, the fixed cylinder 7 is clamped in a clamping opening of the horizontal positioning clamping seat 6.
Optionally, the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6 are integrally formed with the bottom cross rod 3, that is, the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6 are integrally processed with the bottom cross rod 3, the clamping openings of the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6 are in a U shape, a tightening part processed by plastics is arranged in the clamping opening, the certain elastic tightening part of the plastics is tightly matched with the fixed cylinder 7 by the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6, so that the fixed cylinder 7 is clamped in the clamping openings of the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6 and is not randomly separated, and can be separated by force.
The invention relates to a folding guardrail capable of reducing transportation volume, wherein a vertical rod 4 comprises a fixed cylinder 7 and a movable cylinder 8 which are in telescopic connection, a through hole is formed in an upper cross rod 2, the movable cylinder 8 can be penetrated through the through hole and partially extends to the upper part of the upper cross rod 2, the fixed cylinder 7 is rotatably connected with a lower cross rod 3, when the movable cylinder 8 retracts into the fixed cylinder 7, the fixed cylinder 7 can rotate around the rotating connection part of the fixed cylinder 7 and the lower cross rod 3, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to a vertical position, the fixed cylinder 7 is clamped in a clamping opening of a vertical positioning clamping seat 5, the movable cylinder 8 can upwards penetrate through the through hole, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to a horizontal position, the fixed cylinder 7 is clamped in a clamping opening of a horizontal positioning clamping seat 6, so that the transportation volume of the folding guardrail can be reduced to a certain extent, the folding.
As a practical form of the telescopic connection between the fixed cylinder 7 and the movable cylinder 8, the fixed cylinder 7 and the movable cylinder 8 are connected by screw threads, and the movable cylinder 8 is extended and retracted relative to the fixed cylinder 7 by rotating the movable cylinder 8 in a forward and reverse direction. In an equivalent practical form, one of the fixed cylinder 7 and the movable cylinder 8 is provided with a sliding part, the other one is provided with a sliding groove in sliding fit with the sliding part, the sliding part can be a ball or a roller or a sliding block, in order to facilitate the definition of the relative position between the fixed cylinder 7 and the movable cylinder 8, the fixed cylinder 7 and the movable cylinder 8 are provided with mutually corresponding limiting holes, and a limiting pin is inserted into the limiting holes to define the limit position of the axial movement of the movable cylinder 8 relative to the fixed cylinder 7.
Specifically, optionally, the fixed cylinder 7 is rotatably connected with the bottom rail 3 through a rotating shaft or a bearing, if the fixed cylinder 7 is rotatably connected with the bottom rail 3 through a bearing, an inner ring of the bearing is fixedly connected with the bottom rail 3, an outer ring of the bearing is fixedly connected with the fixed cylinder 7, and an inner ring of the bearing is rotatably matched with an outer ring of the bearing.
In order to improve the anti-climbing function of the vertical rod 4, one end of the movable cylinder back to the fixed cylinder is pointed.
The difference between the present embodiment and the first embodiment is that the upright post 1 comprises a fixed post 9, a movable post 10 which are telescopically connected, and a locking mechanism which defines the relative position between the fixed post 9 and the movable post 10, as in a practical form, the fixed column 9 is fixedly connected with the lower cross bar 3, the movable column 10 is fixedly connected with the upper cross bar 2, one of the fixed column 9 and the movable column 10 is provided with a sliding part, the other one is provided with a sliding groove which is in sliding fit with the sliding part, the sliding part can be a ball or a roller or a sliding block, in order to facilitate the limitation of the relative position between the fixed column 9 and the movable column 10, the locking mechanism comprises a limiting hole and a limiting pin shaft, the fixed column 9 and the movable column 10 are provided with limiting holes corresponding to each other, and limiting pins are inserted into the limiting holes to limit the limit positions of the movable column 10 moving axially relative to the fixed column 9. Through setting stand 1 to telescopic, can further reduce the transportation volume of folding guardrail, convenient transportation and storage, simple structure, low in production cost.
In summary, according to the folding guardrail capable of reducing the transportation volume, the vertical rod 4 comprises the fixed cylinder 7 and the movable cylinder 8 which are in telescopic connection, the upper cross rod 2 is provided with the through hole, the movable cylinder 8 can be provided with the through hole and partially extends above the upper cross rod 2, the fixed cylinder 7 is rotatably connected with the lower cross rod 3, when the movable cylinder 8 retracts into the fixed cylinder 7, the fixed cylinder 7 can rotate around the rotating connection part of the fixed cylinder 7 and the lower cross rod 3, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to the vertical position, the fixed cylinder 7 is clamped in the clamping opening of the vertical positioning clamping seat 5, the movable cylinder 8 can upwards penetrate through the through hole, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to the horizontal position, the fixed cylinder 7 is clamped in the clamping opening of the horizontal positioning clamping seat 6, so that the transportation volume of the folding guardrail can be reduced to a certain extent, the transportation and the storage are convenient.
EXAMPLE III
As shown in fig. 7, 8 and 9, the invention provides a folding guardrail capable of reducing transportation volume, comprising two upright posts 1 vertically arranged at intervals, an upper cross bar 2 and a lower cross bar 3 which are parallel to each other and transversely arranged are connected between the two upright posts 1, the upper cross bar 2 is positioned above the lower cross bar 3, a plurality of vertical bars 4 which are parallel to each other and longitudinally arranged are connected between the upper cross bar 2 and the lower cross bar 3, the lower ends of the vertical bars 4 are connected with the lower cross bar 3, the upper ends of the vertical bars 4 penetrate through the upper cross bar 2 and extend to the upper side of the upper cross bar 2, the folding guardrail further comprises a vertical positioning clamping seat 5 and a horizontal positioning clamping seat 6 which are fixed on the lower cross bar 3, the vertical bars 4 comprise a fixed cylinder 7 and a movable cylinder 8 which are telescopically connected, a through hole (not shown in the figure) is arranged on the upper cross bar 2, the movable cylinder 8 can penetrate, the fixed cylinder 7 is rotatably connected with the lower cross bar 3, when the movable cylinder 8 retracts into the fixed cylinder 7, the fixed cylinder 7 can rotate around the rotating connection position of the fixed cylinder 7 and the lower cross bar 3, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to a vertical position, the fixed cylinder 7 is clamped in a clamping opening of the vertical positioning clamping seat 5, the movable cylinder 8 can upwards penetrate through the through hole, and when the fixed cylinder 7 drives the movable cylinder 8 to rotate to a horizontal position, the fixed cylinder 7 is clamped in a clamping opening of the horizontal positioning clamping seat 6.
Optionally, the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6 are integrally formed with the bottom cross rod 3, that is, the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6 are integrally processed with the bottom cross rod 3, the clamping openings of the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6 are in a U shape, a tightening part processed by plastics is arranged in the clamping opening, the certain elastic tightening part of the plastics is tightly matched with the fixed cylinder 7 by the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6, so that the fixed cylinder 7 is clamped in the clamping openings of the vertical positioning clamping seat 5 and the horizontal positioning clamping seat 6 and is not randomly separated, and can be separated by force.
The invention relates to a folding guardrail capable of reducing transportation volume, wherein a vertical rod 4 comprises a fixed cylinder 7 and a movable cylinder 8 which are in telescopic connection, a through hole is formed in an upper cross rod 2, the movable cylinder 8 can be penetrated through the through hole and partially extends to the upper part of the upper cross rod 2, the fixed cylinder 7 is rotatably connected with a lower cross rod 3, when the movable cylinder 8 retracts into the fixed cylinder 7, the fixed cylinder 7 can rotate around the rotating connection part of the fixed cylinder 7 and the lower cross rod 3, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to a vertical position, the fixed cylinder 7 is clamped in a clamping opening of a vertical positioning clamping seat 5, the movable cylinder 8 can upwards penetrate through the through hole, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to a horizontal position, the fixed cylinder 7 is clamped in a clamping opening of a horizontal positioning clamping seat 6, so that the transportation volume of the folding guardrail can be reduced to a certain extent, the folding.
As a practical form of the telescopic connection between the fixed cylinder 7 and the movable cylinder 8, the fixed cylinder 7 and the movable cylinder 8 are connected by screw threads, and the movable cylinder 8 is extended and retracted relative to the fixed cylinder 7 by rotating the movable cylinder 8 in a forward and reverse direction. In an equivalent practical form, one of the fixed cylinder 7 and the movable cylinder 8 is provided with a sliding part, the other one is provided with a sliding groove in sliding fit with the sliding part, the sliding part can be a ball or a roller or a sliding block, in order to facilitate the definition of the relative position between the fixed cylinder 7 and the movable cylinder 8, the fixed cylinder 7 and the movable cylinder 8 are provided with mutually corresponding limiting holes, and a limiting pin is inserted into the limiting holes to define the limit position of the axial movement of the movable cylinder 8 relative to the fixed cylinder 7.
Specifically, optionally, the fixed cylinder 7 is rotatably connected with the bottom rail 3 through a rotating shaft or a bearing, if the fixed cylinder 7 is rotatably connected with the bottom rail 3 through a bearing, an inner ring of the bearing is fixedly connected with the bottom rail 3, an outer ring of the bearing is fixedly connected with the fixed cylinder 7, and an inner ring of the bearing is rotatably matched with an outer ring of the bearing.
In order to improve the anti-climbing function of the vertical rod 4, one end of the movable cylinder back to the fixed cylinder is pointed.
The difference between the present embodiment and the first embodiment is that the upright post 1 comprises a fixed post 9, a movable post 10, and a locking mechanism (not shown in the figure) for limiting the relative position between the fixed post 9 and the movable post 10, in a specific practical form, the fixed post 9 is fixedly connected with the bottom cross bar 3, the movable post 10 is fixedly connected with the top cross bar 2, one of the fixed post 9 and the movable post 10 is provided with a sliding member (not shown in the figure), the other one is provided with a sliding slot (not shown in the figure) in sliding fit with the sliding member, the sliding member can be a ball or a roller or a sliding block for limiting the relative position between the fixed post 9 and the movable post 10, the locking mechanism comprises a limiting hole (not shown in the figure) and a limiting pin shaft (not shown in the figure), the fixed post 9 and the movable post 10 are provided with mutually, the limiting pin is inserted into the limiting hole to limit the limit position of the axial movement of the movable column 10 relative to the fixed column 9. Through setting stand 1 to telescopic, can further reduce the transportation volume of folding guardrail, convenient transportation and storage, simple structure, low in production cost.
The difference between the embodiment and the second embodiment is that the suspension seat 11 for hoisting is arranged on the fixing column 9, so that the folding guardrail can be hoisted by hoisting equipment through the suspension seat 11, and further transportation is facilitated.
In summary, according to the folding guardrail capable of reducing the transportation volume, the vertical rod 4 comprises the fixed cylinder 7 and the movable cylinder 8 which are in telescopic connection, the upper cross rod 2 is provided with the through hole, the movable cylinder 8 can be provided with the through hole and partially extends above the upper cross rod 2, the fixed cylinder 7 is rotatably connected with the lower cross rod 3, when the movable cylinder 8 retracts into the fixed cylinder 7, the fixed cylinder 7 can rotate around the rotating connection part of the fixed cylinder 7 and the lower cross rod 3, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to the vertical position, the fixed cylinder 7 is clamped in the clamping opening of the vertical positioning clamping seat 5, the movable cylinder 8 can upwards penetrate through the through hole, when the fixed cylinder 7 drives the movable cylinder 8 to rotate to the horizontal position, the fixed cylinder 7 is clamped in the clamping opening of the horizontal positioning clamping seat 6, so that the transportation volume of the folding guardrail can be reduced to a certain extent, the transportation and the storage are convenient.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a folding guardrail of reducible transportation volume, includes stand (1) that two vertical intervals set up, is connected with horizontal pole (2) and sheer pole (3) that are parallel to each other and transversely set up between two stand (1), goes up horizontal pole (2) and is located sheer pole (3) top, is connected with a plurality of montants (4) that are parallel to each other and vertically set up between going up horizontal pole (2) and sheer pole (3), the lower extreme of montant (4) with sheer pole (3) are connected, run through the upper end of montant (4) go up horizontal pole (2) and extend the top of going up horizontal pole (2), its characterized in that: the vertical rod (4) comprises a fixed cylinder (7) and a movable cylinder (8) which are connected in a telescopic manner, a through hole is formed in the upper cross rod (2), the movable cylinder (8) can penetrate the through hole and partially extends to the upper portion of the upper cross rod (2), the fixed cylinder (7) is rotatably connected with the lower cross rod (3), when the movable cylinder (8) retracts into the fixed cylinder (7), the fixed cylinder (7) can rotate around the rotating connection position of the fixed cylinder and the lower cross rod (3), when the fixed cylinder (7) drives the movable cylinder (8) to rotate to the vertical position, the fixed cylinder (7) is clamped in a bayonet of the vertical positioning clamping seat (5), the movable cylinder (8) can upwards penetrate through the through hole, and the fixed cylinder (7) drives the movable cylinder (8) to rotate to the horizontal position, the fixed cylinder (7) is clamped in the bayonet of the horizontal positioning clamping seat (6).
2. The collapsible barrier of claim 1, wherein: the fixed cylinder (7) is in threaded connection with the movable cylinder (8).
3. The collapsible barrier of claim 1, wherein: one of the fixed cylinder (7) and the movable cylinder (8) is provided with a sliding part, and the other one is provided with a sliding groove in sliding fit with the sliding part.
4. A collapsible barrier for reducing shipping volume according to claim 3, wherein: the fixed cylinder (7) and the movable cylinder (8) are provided with limiting holes corresponding to each other, and limiting pins are inserted into the limiting holes to limit the limit positions of the movable cylinder (8) relative to the fixed cylinder (7) in axial movement.
5. The collapsible barrier of claim 1, wherein: the fixed cylinder (7) is rotatably connected with the lower cross rod (3) through a rotating shaft or a bearing.
6. The collapsible barrier of claim 1, wherein: the upright post (1) comprises a fixed post (9) and a movable post (10) which are in telescopic connection, and a locking mechanism for limiting the relative position between the fixed post (9) and the movable post (10).
7. The collapsible barrier of claim 6, wherein: and a hanging seat (11) for hoisting is arranged on the fixing column (9).
8. A collapsible barrier for reducing shipping volume according to any of claims 1 to 7, wherein: one end of the movable cylinder (8) back to the fixed cylinder (7) is pointed.
9. A collapsible barrier for reducing shipping volume according to any of claims 1 to 7, wherein: the vertical positioning clamping seat (5) and the horizontal positioning clamping seat (6) are integrally formed with the lower cross rod (3).
10. A collapsible barrier for reducing shipping volume according to any of claims 1 to 7, wherein: the bayonets of the vertical positioning clamping seat (5) and the horizontal positioning clamping seat (6) are U-shaped.
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| CN201911212257.2A CN112983113A (en) | 2019-12-02 | 2019-12-02 | Folding guardrail of reducible transportation volume |
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| CN201911212257.2A CN112983113A (en) | 2019-12-02 | 2019-12-02 | Folding guardrail of reducible transportation volume |
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| CN112983113A true CN112983113A (en) | 2021-06-18 |
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| CN201911212257.2A Pending CN112983113A (en) | 2019-12-02 | 2019-12-02 | Folding guardrail of reducible transportation volume |
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