CN114458078B - Telescopic fence - Google Patents
Telescopic fence Download PDFInfo
- Publication number
- CN114458078B CN114458078B CN202210303186.2A CN202210303186A CN114458078B CN 114458078 B CN114458078 B CN 114458078B CN 202210303186 A CN202210303186 A CN 202210303186A CN 114458078 B CN114458078 B CN 114458078B
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- CN
- China
- Prior art keywords
- upright post
- limiting
- clamping
- telescopic
- scissor mechanism
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Links
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000010008 shearing Methods 0.000 claims abstract description 14
- 238000006748 scratching Methods 0.000 abstract description 3
- 230000002393 scratching effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 235000021167 banquet Nutrition 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Classifications
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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
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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
-
- 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
- E04H17/20—Posts therefor
- E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Fencing (AREA)
Abstract
The invention belongs to the technical field of telescopic fences, in particular to a telescopic fence which comprises a stand column, a shearing fork mechanism and supporting legs, wherein the shearing fork mechanism is hinged with the stand column at a point A, and a free end B is arranged on the shearing fork mechanism; the bottom end of the upright post is provided with a supporting leg; the upright post is provided with a limiting structure, and the limiting structure is used for limiting the end B of the scissor mechanism; according to the telescopic fence, the limiting structure is arranged in the upright post, so that the telescopic fence is limited and fixed after being contracted; the limiting structure is arranged in the upright post, so that the risk of scratching a human hand is reduced while the manual operation is avoided due to automatic clamping and fixing after the shrinkage, and the situation that the telescopic fence is opened due to false touch can not occur when the telescopic fence is carried, and unnecessary troubles in the carrying process are reduced; and the limiting structure is arranged in the upright post, so that the invention looks more beautiful and complete.
Description
Technical Field
The invention belongs to the technical field of telescopic fences, and particularly relates to a telescopic fence.
Background
The telescopic fence is a fence, has scalability, can be widely applied to hotels, guesthouses, office buildings, merchants, business halls, banquets and public entertainment places, is suitable for public places with many people, is suitable for flexible dredging and distribution, is flexible and convenient to deploy, and is widely applied to the public places.
In the prior art, the telescopic fence is opened and retracted by moving the upright post to enable the scissor mechanism to be opened and retracted, one end of the scissor mechanism can slide in the upright post in the process, and as the movable end of the scissor mechanism and the upright post are not stably fixed, when the telescopic fence works in some places with inclined ground, if the position of the upright post slides, the scissor mechanism can be opened along with the upright post, if the sliding distance of the upright post is too long, the scissor mechanism can be excessively opened, and the scissor mechanism is damaged.
Meanwhile, the support legs for fixing the telescopic fence cannot be folded vertically to the bottom of the fence, and after the telescopic fence is folded, the support legs perpendicular to the fence enable the fence to occupy a large space, so that the telescopic fence is inconvenient to transport; in addition, in the transportation process, the protruding supporting legs can hurt transportation workers, so that potential safety hazards are brought.
When a plurality of rails are needed to be matched for use, such as when a plurality of large movable telescopic rails are used for guiding and limiting people flow, one telescopic rail is often incapable of guiding and limiting, but no effective connection limit exists between the rails, when the people flow is large, people can be forced to touch the rails, the positions of the rails can be changed, and then the channels or areas formed by the rails are deformed, so that the effect of guiding and limiting the people flow is reduced.
In view of the above, the present invention provides a telescopic fence to solve the above technical problems.
Disclosure of Invention
The technical problems to be solved by the invention are as follows:
1. in the prior art, the telescopic fence is opened and retracted by moving the upright post to enable the scissor mechanism to be opened and retracted, one end of the scissor mechanism can slide in the upright post in the process, and as the movable end of the scissor mechanism and the upright post are not stably fixed, when the telescopic fence works in some places with inclined ground, if the position of the upright post slides, the scissor mechanism can be opened along with the upright post, if the sliding distance of the upright post is too long, the scissor mechanism can be excessively opened, and the scissor mechanism is damaged.
2. The support legs used for fixing the telescopic fence cannot be folded vertically to the bottom of the fence, and after the telescopic fence is folded, the support legs perpendicular to the fence enable the fence to occupy a large space, so that the telescopic fence is inconvenient to transport; in addition, in the transportation process, the protruding supporting legs can hurt transportation workers, so that potential safety hazards are brought.
3. When a plurality of rails are needed to be matched for use, if the telescopic rails are used for dredging and limiting the people flow on some large-scale activities, one telescopic rail is often incapable of achieving the dredging effect, but no effective connection limit exists between the rails, when the people flow is large, people can be forced to touch the rails, the positions of the rails can be changed, and then the channels or areas formed by the rails are deformed, so that the effect of dredging and limiting the people flow is reduced.
The invention provides a telescopic fence which comprises an upright post, a shearing fork mechanism and supporting legs, wherein the shearing fork mechanism is hinged with the upright post at a point A, and a free end B is arranged on the shearing fork mechanism; the bottom end of the upright post is provided with a supporting leg; the method is characterized in that: the stand column is provided with a limiting structure, and the limiting structure is used for limiting the end B of the scissor mechanism.
Preferably, the limiting structure is arranged along the movement stroke of the end B of the scissor mechanism.
Preferably, the limiting structure is arranged at the position of at least one pole of the B end of the scissor mechanism after folding.
Preferably, the limit structure comprises a limit pin, a slide bar and a limit block, wherein the limit pin is arranged at the position of the end B of the scissor mechanism, the slide bar is arranged inside the upright post, the limit block is fixedly connected to the slide bar and corresponds to the limit pin, and the limit pin and the limit block are overlapped along the sliding direction of the end B.
Preferably, the cross section of the limiting block is of a triangular structure, and the triangular inclined plane of the limiting block is arranged downwards.
Preferably, the stand is integrated into one piece's groove structure, and the bottom of stand is equipped with the connecting piece, the connecting piece both sides rotate and are connected with the landing leg, connecting piece top stand surface is equipped with the mounting, rotate between landing leg and the mounting and be connected with the bracing piece.
Preferably, the fastener is arranged below the fixing piece, a circular clamping groove matched with the fastener is formed in the side face of the upright post, and a jacking block is fixedly connected to one side, corresponding to the fastener, of the upper surface of the connecting piece.
Preferably, a roller frame and rollers are arranged in the bottom ends of the upright posts, the rollers are rotationally connected with the lower parts of the roller frames, clamping blocks are arranged at the bottom ends of four corners of the roller frames, and two through grooves are formed in the tops of the roller frames; a spring is arranged above the roller frame, and two ends of the spring respectively penetrate through the two through grooves and are fixedly connected with the upright post; four through positioning grooves are formed in the outer surface of the upright post, the clamping blocks are clamped in the positioning grooves and extend out of the positioning grooves, and sliding inclined planes are arranged at the extending ends of the clamping blocks.
Preferably, a lock-type clamping groove is formed in the back of the upright post, and a clamping pin is placed in the lock-type clamping groove.
The beneficial effects of the invention are as follows:
1. the invention provides a telescopic fence, which is characterized in that a limiting mechanism is arranged on a stand column, and the telescopic fence can be limited and fixed through the limiting mechanism after being opened; so that the degree of relaxation of the scissor mechanism cannot be easily changed; even when the telescopic fence works in a place with inclined ground, the upright post cannot slide easily due to the limitation of the limiting mechanism, the opening degree of the shearing fork mechanism cannot be changed easily, and the risk that the shearing fork mechanism is damaged due to excessive opening is reduced.
2. The invention provides a telescopic fence, which is convenient to transport because the support legs perpendicular to the upright posts are retracted, and the whole fence cannot occupy a larger space after the support legs are retracted; in the transportation process, the supporting legs are folded, so that the risk of damaging transportation workers is reduced, and the safety of the workers is ensured greatly.
3. According to the telescopic fence, the rollers are fixedly connected to the two sides of the upright post, and extend out after the supporting legs of the telescopic fence are retracted, so that a worker can push the fence to move by utilizing the rollers, the transportation of the fence is more convenient, the direct manual transportation of the worker is avoided, and the risk of being bumped by the fence is further reduced while time and labor are saved.
4. The invention provides a telescopic fence, which is characterized in that two fences are connected together by mutually clamping and limiting a clamping pin and a clamping groove, and a plurality of fences are clamped and matched for use, so that when the traffic of people is large, people touch the fences, and a channel or area formed by the plurality of fences is not deformed, thereby being more beneficial to the matched use of the fences.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of the post of the present invention;
FIG. 3 is a state diagram of the cooperation of the limiting pin and the limiting block;
FIG. 4 is a state diagram of the leg of the present invention when folded;
FIG. 5 is a schematic perspective view of the folded structure of the present invention;
FIG. 6 is a schematic perspective view of the post of the present invention;
FIG. 7 is a schematic view of another orientation of the column of the present invention;
FIG. 8 is a schematic perspective view of the combination of the leg, connector and anchor of the present invention;
FIG. 9 is a schematic perspective view of the alternate orientation of FIG. 8;
FIG. 10 is a schematic perspective view of the folded structure of FIG. 8;
FIG. 11 is a schematic perspective view of the roller frame of the present invention;
fig. 12 is a schematic view showing the structure of the roller in the extended state according to the present invention.
In the figure: column 1, circular draw-in groove 11, constant head tank 12, lock formula draw-in groove 13, scissor mechanism 2, landing leg 3, limit structure 4, spacer 41, slide bar 42, stopper 43, connecting piece 5, kicking block 51, mounting 6, C formula draw-in groove 61, fastener 62, bracing piece 7, gyro wheel frame 8, fixture block 81, slip inclined plane 811, spring 82, gyro wheel 9, bayonet lock 10.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to better understand the above technical solutions, the following detailed description will be given with reference to the accompanying drawings and specific embodiments;
the invention provides a telescopic fence which comprises an upright post 1, a shearing fork mechanism 2 and supporting legs 3, wherein the shearing fork mechanism 2 is hinged with the upright post 1 at a point A, and a free end B is arranged on the shearing fork mechanism 2; the bottom end of the upright post 1 is provided with a supporting leg 3; the stand column 1 is provided with a limiting structure 4, and the limiting structure 4 is used for limiting the end B of the scissor mechanism 2.
As a specific embodiment of the present invention, the limiting structure 4 is disposed along the B-end movement stroke of the scissor mechanism 2.
According to the invention, the limiting mechanism is arranged on the upright post 1, so that the telescopic fence can be limited and fixed through the limiting mechanism after being opened; so that the degree of relaxation of the scissor mechanism 2 is not easily changed; even when the telescopic fence works in a place with inclined ground, the upright column 1 is limited by the limiting mechanism and cannot slide easily, the opening degree of the scissor mechanism 2 cannot be changed easily, and the risk that the scissor mechanism 2 is damaged due to excessive opening is reduced.
And the limit mechanism is arranged on the movement stroke of the end B of the scissor mechanism 2, so that the limit mechanism can still limit and fix the scissor mechanism 2 when the opening amplitude of the scissor mechanism is different, so as to adapt to different expansion ranges of the scissor mechanism 2, and the invention has more flexibility, so as to adapt to different working scenes.
As a specific embodiment of the present invention, the limiting structure 4 is disposed at the position of at least one pole of the folded end B of the scissor mechanism 2.
In the prior art, after the telescopic fence is retracted, the telescopic fence is matched with a safety buckle through an external clamping plate, so that the telescopic fence after retraction is clamped and fixed; however, the clamping plate is clamped on the safety buckle by manual hands, the risk of scratching hands exists at the edge of the clamping plate in the process, and when the retracted telescopic fence is transferred and transported, the telescopic fence is unfolded and inconvenient to transport due to the fact that the clamping plate is touched carelessly; and the appearance of the retracted telescopic fence is not attractive enough through the external clamping plate.
According to the invention, the limit mechanism is arranged at least one pole position after the B end of the scissor mechanism 2 is folded, the B end of the scissor mechanism 2 moves upwards in the contraction process of the scissor mechanism 2, and when the scissor mechanism 2 is completely contracted, the B end reaches the pole position and is limited and fixed by the limit mechanism; the end B cannot move downwards, and finally the scissor mechanism 2 cannot be opened, so that clamping and fixing of the scissor mechanism 2 are realized;
the limiting mechanism is arranged in the upright post 1, so that the risk of scratching a human hand is reduced while inconvenience in manual operation is avoided due to automatic clamping and fixing after shrinkage, and the situation that the telescopic fence is opened due to false touch can not occur because the human hand cannot touch the limiting mechanism during carrying, so that unnecessary troubles in the carrying process are reduced; and because the limiting mechanism is arranged in the upright post 1, the invention is more attractive and complete.
As a specific embodiment of the present invention, the limiting structure 4 includes a limiting pin 41, a sliding rod 42 and a limiting block 43, where the limiting pin 41 is disposed at the B end position of the scissor mechanism 2, preferably, the limiting pin 41 is a bolt, and the bolt passes through the B end of the scissor mechanism 2 and is locked by a nut; the sliding rod 42 is arranged inside the upright 1, the sliding rod 42 is preferably fixed inside the upright 1 through a rivet, the limiting block 43 is fixedly connected to the sliding rod 42 and corresponds to the limiting pin 41, and the limiting pin 41 and the limiting block 43 are overlapped along the sliding direction of the end B. The cross-sectional shape of the sliding rod 42 is preferably a C-shaped structure, the limiting block 43 is fixed in the C-shaped structure of the sliding rod 42, and the sliding rod 42 is arranged in the C-shaped structure so that the limiting pin 41 can slide along the length direction of the sliding rod 42, thereby enabling the B end of the scissor mechanism 2 to be more stable during extension and retraction. Preferably, the sliding rod 42 and the limiting block 43 are integrally formed.
Specifically, when the limit structure 4 works, the limit structure 1 is moved to enable the scissor mechanism 2 to shrink or expand, in the process of shrinking and expanding the scissor mechanism 2, the limit pin 41 fixedly connected with the position of the end B on the scissor mechanism 2 moves in the slide bar 42, when the telescopic fence is fully retracted, the limit pin 41 moves to the position of the pole of the end B, namely the upper surface of the limit block 43 in the slide bar 42 riveted with the upright 1, the limit pin 41 is limited and fixed through the limit block 43, so that the point B cannot move downwards, and finally the scissor mechanism 2 cannot expand, so that the clamping and fixing of the scissor mechanism 2 are realized;
when the fence needs to be opened for reuse, a user applies external force to the end B of the scissor mechanism 2 to move the limiting pin 41 to one side far away from the limiting block 43, so that the limiting pin 41 is separated from the limitation of the limiting block 43, then the upright post 1 is pulled to move to two sides, the point B moves down to move the limiting pin 41 to cross the limiting block 43, the scissor mechanism 2 is opened, and the expansion of the telescopic fence is realized.
As a specific embodiment of the present invention, the cross section of the limiting block 43 is in a triangular structure, and the triangular inclined surface of the limiting block 43 is arranged downward. Through setting up stopper 43 cross-sectional shape to triangle-shaped structure, when flexible rail was packed up, spacer pin 41 can slide to stopper 43 higher authority along triangle-shaped's hypotenuse, the chucking of flexible rail of being convenient for.
As a specific implementation mode of the invention, the upright 1 is of an integrally formed groove-shaped structure, the bottom of the upright 1 is provided with the connecting piece 5, the connecting piece 5 is of a C-shaped structure, the connecting piece 5 is clamped on the outer side of the upright 1 and can slide along the upright 1, two sides of the connecting piece 5 are rotationally connected with the supporting legs 3, the outer surface of the upright 1 above the connecting piece 5 is provided with the fixing piece 6, the fixing piece 6 is of a C-shaped structure, the fixing piece 6 is clamped on the outer side of the upright 1 and can slide along the upright 1, and the supporting rods 7 are rotationally connected between the supporting legs 3 and the fixing piece 6. Preferably, C-shaped clamping grooves 61 are formed in two sides of the fixing piece 6, and the supporting rod 7 is rotationally clamped in the C-shaped clamping grooves 61; preferably, the supporting rod 7 is bent into a C-shaped structure by a metal strip, the middle part of the supporting rod 7 is clamped in the C-shaped clamping groove 61, and two ends of the supporting rod 7 are rotatably clamped in through holes formed in the end parts of the supporting legs 3. The invention realizes the support of the upright post 1 by forming a triangular support structure by the upright post 1, the support rod 7 and the support leg 3.
As a specific embodiment of the present invention, a clamping piece 62 is provided below the fixing piece 6, a circular clamping groove 11 matched with the clamping piece 62 is provided on the side surface of the upright 1, and a top block 51 is fixedly connected to the upper surface of the connecting piece 5 at a position corresponding to the clamping piece 62.
When the telescopic fence normally works, the support legs 3 are connected through the left and right rotation of the connecting piece 5 which is connected with the upright post 1, the telescopic fence can be supported, the telescopic fence can be conveniently unfolded and used, the support rods 7 are arranged between the fixing pieces 6 and the support legs 3, the support legs 3 can be further supported when the support rods 7 are unfolded, and the support of the support legs 3 to the whole telescopic fence is more stable. The fixing piece 6 is clamped on the circular clamping groove 11 on the surface of the supporting leg 3 through the clamping piece 62, so that the fixing piece 6 is prevented from sliding to cause unstable support when the supporting leg 3 is supported.
When the telescopic fence is used and needs to be folded, the supporting leg 3 is rotated downwards, the connecting piece 5 is driven by the supporting leg 3 to slide upwards along the upright 1, in the upward sliding process of the connecting piece 5, the ejector block 51 is fixedly connected with the ejector block 51 on the upper surface of the connecting piece 5, the ejector block 51 slides upwards under the driving of the connecting piece 5, when the ejector block 51 slides to the position of the clamping piece 62, the ejector block 51 ejects the clamping piece 62 from the circular clamping groove 11, the fixing piece 6 loses the fixing of the clamping piece 62, the fixing piece 6 slides on the surface of the upright 1, the supporting leg 3 is pushed continuously to drive the fixing piece 6 and the connecting piece 5 to move upwards towards the upright 1, and finally the purpose of folding the supporting leg 3 is achieved. When the telescopic fence is retracted, the whole fence does not occupy a large space, and is convenient to transport; and in the transportation process, the supporting legs 3 are folded, so that the risk of damaging transportation workers is reduced, and the safety of the workers is ensured greatly.
As a specific implementation mode of the invention, a roller frame 8 and a roller 9 are arranged in the bottom end of the upright post 1, the roller 9 is rotationally connected with the lower part of the roller frame 8, clamping blocks 81 are arranged at the bottom ends of four corners of the roller frame 8, and two through grooves are formed in the top of the roller frame 8; a spring 82 is arranged above the roller frame 8, and two ends of the spring 82 respectively penetrate through the two through grooves to be fixedly connected with the upright post 1; four through positioning grooves 12 are formed in the outer surface of the upright 1, the clamping blocks 81 are clamped in the positioning grooves 12 and extend out of the positioning grooves 12, and sliding inclined planes 811 are formed in the extending ends of the clamping blocks 81.
When the supporting leg 3 is in the unfolding support, the roller 9 is positioned in the upright 1, the clamping block 81 of the roller frame 8 is positioned in the uppermost positioning groove 12, the spring 82 is in an elongated state, and the connecting piece 5 is positioned below the clamping block 81;
when the support leg 3 is folded, the connecting piece 5 slides upwards and pushes the clamping block 81 extending out of the positioning groove 12 to the inner side of the positioning groove 12 through the sliding inclined surface 811, at this time, the clamping block 81 is separated from the limitation of the positioning groove 12, the spring 82 pushes the roller frame 8 downwards until the clamping block 81 is clamped in the positioning groove 12 at the lowest position, and at this time, the roller 9 extends out of the upright 1.
When the roller 9 needs to be retracted, the bottom of the roller 9 is in contact with the ground, the pushing connecting piece 5 slides downwards and pushes the clamping block 81 extending out of the positioning groove 12 to the inner side of the positioning groove 12 along the sliding inclined plane 811, the roller 9 is pressed into the upright 1 by the gravity of the upright 1 until the clamping block 81 is clamped into the uppermost positioning groove 12, and the spring 82 is in a stretching state.
Through being equipped with gyro wheel frame 8 and gyro wheel 9 in stand 1 bottom inside, gyro wheel frame 8 passes through the fixture block 81 joint of four corners bottom in stand 1 surface top's constant head tank 12 to regard as the power supply with the elasticity of stand 1 self gravity and spring 82, realize the decline and the packing up of gyro wheel frame 8 and gyro wheel 9 with the help of the up-and-down motion of connecting piece 5, realized the comparatively convenient effect of accomodating of gyro wheel frame 8 and gyro wheel 9 through the mode of linkage.
When the telescopic fence is retracted, the roller 9 is utilized, the fence can be pushed by manpower to move, so that the fence is more convenient to transport, people are prevented from being directly transported by hands, and the risk of being bruised by the fence is further reduced while time and labor are saved.
As a specific embodiment of the present invention, the back of the upright 1 is provided with a locking slot 13, and the locking slot 13 is internally provided with a locking pin 10. Preferably, the bayonet 10 is a bolt on which a butterfly nut is mounted.
The lock-type clamping groove 13 is formed in the upper end position of the upright post 1, a square structure is arranged below the lock-type clamping groove 13, the diameter of the circle is larger than the square width, the diameter of the top end of the clamping pin 10 is identical to the diameter of the circular structure of the lock-type clamping groove 13, and the diameter of the middle section of the clamping pin 10 is identical to the width of the square structure of the lock-type clamping groove 13, so that the clamping pin 10 can be conveniently taken out of or clamped in the lock-type clamping groove 13.
When a plurality of rails are needed to be matched for use, if people flow is limited through a plurality of telescopic rails on some large-scale activities, the telescopic rails are placed together, the lock-type clamping grooves 13 above the two upright posts 1 are positioned at the same axis, the clamping pins 10 penetrate through the circular structures of the lock-type clamping grooves 13, the clamping pins 10 move downwards when the clamping pins 10 completely penetrate through the two lock-type clamping grooves 13, then the butterfly nuts are rotated to fix the two upright posts 1 together, the locking and loosening effects with the clamping pins 10 can be realized by hands, and the disassembly and the assembly are convenient.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The telescopic fence comprises a stand column (1), a shearing fork mechanism (2) and supporting legs (3), wherein the shearing fork mechanism (2) is hinged with the stand column (1) at a point A, and a free end B is arranged on the shearing fork mechanism (2); the bottom end of the upright post (1) is provided with a supporting leg (3); the method is characterized in that: a limiting structure (4) is arranged on the upright post (1), and the limiting structure (4) is used for limiting the end B of the scissor mechanism (2);
the stand column (1) is of an integrally formed groove-shaped structure, a connecting piece (5) is arranged at the bottom of the stand column (1), supporting legs (3) are rotatably connected to two sides of the connecting piece (5), a fixing piece (6) is arranged on the outer surface of the stand column (1) above the connecting piece (5), and a supporting rod (7) is rotatably connected between the supporting legs (3) and the fixing piece (6);
a clamping piece (62) is arranged below the fixing piece (6), a circular clamping groove (11) matched with the clamping piece (62) is formed in the side face of the upright post (1), and a top block (51) is fixedly connected to one side, corresponding to the clamping piece (62), of the upper surface of the connecting piece (5);
the bottom end of the upright post (1) is internally provided with a roller frame (8) and a roller (9), the roller (9) is rotationally connected with the lower part of the roller frame (8), the bottom ends of four corners of the roller frame (8) are provided with clamping blocks (81), and the top of the roller frame (8) is provided with two through grooves; a spring (82) is arranged above the roller frame (8), and two ends of the spring (82) respectively penetrate through the two through grooves to be fixedly connected with the upright post (1); four through positioning grooves (12) are formed in the outer surface of the upright post (1), the clamping blocks (81) are clamped in the positioning grooves (12) and extend out of the positioning grooves (12), and sliding inclined planes (811) are formed in the extending ends of the clamping blocks (81).
2. A telescopic rail as claimed in claim 1, wherein: the limiting structure (4) is arranged along the B-end movement stroke of the scissor mechanism (2).
3. A telescopic rail as claimed in claim 2, wherein: the limiting structure (4) is arranged at the position of at least one pole of the folded end B of the scissor mechanism (2).
4. A telescopic rail as claimed in claim 1, wherein: the limiting structure (4) comprises a limiting pin (41), a sliding rod (42) and a limiting block (43), wherein the limiting pin (41) is arranged at the position of the end B of the scissor mechanism (2), the sliding rod (42) is arranged inside the upright post (1), the limiting block (43) is fixedly connected to the sliding rod (42) and corresponds to the limiting pin (41), and the limiting pin (41) and the limiting block (43) are overlapped along the sliding direction of the end B.
5. The telescopic rail of claim 4, wherein: the cross section of the limiting block (43) is of a triangular structure, and the triangular inclined plane of the limiting block (43) is arranged downwards.
6. A telescopic rail as claimed in claim 1, wherein: the back of the upright post (1) is provided with a locking type clamping groove (13), and a clamping pin (10) is arranged in the locking type clamping groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210303186.2A CN114458078B (en) | 2022-03-24 | 2022-03-24 | Telescopic fence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210303186.2A CN114458078B (en) | 2022-03-24 | 2022-03-24 | Telescopic fence |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114458078A CN114458078A (en) | 2022-05-10 |
| CN114458078B true CN114458078B (en) | 2024-03-29 |
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ID=81417039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210303186.2A Active CN114458078B (en) | 2022-03-24 | 2022-03-24 | Telescopic fence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114458078B (en) |
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| CA2233760A1 (en) * | 1998-05-27 | 1999-11-27 | Yvon De Ladurantaye | Extendible/retractable portable security barrier |
| CN204491466U (en) * | 2015-02-26 | 2015-07-22 | 涂凤武 | A kind of road maintenance Telescopic guardrail |
| CN206630149U (en) * | 2017-03-31 | 2017-11-14 | 广州市长宏皮具有限公司 | A kind of luggage case of retractable rollers |
| CN107653812A (en) * | 2017-11-24 | 2018-02-02 | 成都立威斯科技有限公司 | A kind of scissor-type folding retractable highway communication isolated column |
| CN209799559U (en) * | 2019-04-01 | 2019-12-17 | 中国电建集团青海省电力设计院有限公司 | Safety guardrail of transformer substation |
| CN210948007U (en) * | 2019-10-15 | 2020-07-07 | 南京机电职业技术学院 | Telescopic isolation fence |
| CN211472223U (en) * | 2019-09-20 | 2020-09-11 | 广东腾泰建设有限公司 | Folding grid for sound absorption and noise reduction of expressway |
| CN211549094U (en) * | 2020-01-06 | 2020-09-22 | 河南四建集团股份有限公司 | Safety enclosure for construction engineering |
| CN211549074U (en) * | 2019-11-29 | 2020-09-22 | 杭州果贺科技有限公司 | New forms of energy integrated traffic system encloses fender device |
| CN112252832A (en) * | 2020-11-24 | 2021-01-22 | 王后连 | Construction protective guard suitable for complicated topography |
| CN113374337A (en) * | 2021-06-25 | 2021-09-10 | 国网山东省电力公司庆云县供电公司 | Telescopic fence with automatically-retracted supporting legs |
| CN215107926U (en) * | 2021-04-24 | 2021-12-10 | 李飞龙 | Fender is enclosed in municipal works construction |
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2022
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| US5704592A (en) * | 1995-09-07 | 1998-01-06 | White; Gary Ronald | Expandable safety barrier |
| CA2233760A1 (en) * | 1998-05-27 | 1999-11-27 | Yvon De Ladurantaye | Extendible/retractable portable security barrier |
| CN204491466U (en) * | 2015-02-26 | 2015-07-22 | 涂凤武 | A kind of road maintenance Telescopic guardrail |
| CN206630149U (en) * | 2017-03-31 | 2017-11-14 | 广州市长宏皮具有限公司 | A kind of luggage case of retractable rollers |
| CN107653812A (en) * | 2017-11-24 | 2018-02-02 | 成都立威斯科技有限公司 | A kind of scissor-type folding retractable highway communication isolated column |
| CN209799559U (en) * | 2019-04-01 | 2019-12-17 | 中国电建集团青海省电力设计院有限公司 | Safety guardrail of transformer substation |
| CN211472223U (en) * | 2019-09-20 | 2020-09-11 | 广东腾泰建设有限公司 | Folding grid for sound absorption and noise reduction of expressway |
| CN210948007U (en) * | 2019-10-15 | 2020-07-07 | 南京机电职业技术学院 | Telescopic isolation fence |
| CN211549074U (en) * | 2019-11-29 | 2020-09-22 | 杭州果贺科技有限公司 | New forms of energy integrated traffic system encloses fender device |
| CN211549094U (en) * | 2020-01-06 | 2020-09-22 | 河南四建集团股份有限公司 | Safety enclosure for construction engineering |
| CN112252832A (en) * | 2020-11-24 | 2021-01-22 | 王后连 | Construction protective guard suitable for complicated topography |
| CN215107926U (en) * | 2021-04-24 | 2021-12-10 | 李飞龙 | Fender is enclosed in municipal works construction |
| CN113374337A (en) * | 2021-06-25 | 2021-09-10 | 国网山东省电力公司庆云县供电公司 | Telescopic fence with automatically-retracted supporting legs |
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|---|---|
| CN114458078A (en) | 2022-05-10 |
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