CN215671529U - Partially malleable enclosing barrier - Google Patents
Partially malleable enclosing barrier Download PDFInfo
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- CN215671529U CN215671529U CN202121931499.XU CN202121931499U CN215671529U CN 215671529 U CN215671529 U CN 215671529U CN 202121931499 U CN202121931499 U CN 202121931499U CN 215671529 U CN215671529 U CN 215671529U
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Abstract
The utility model relates to a local malleable encloses fender, including relative first fixed plate and the second fixed plate that sets up, first fixed plate is close to the articulated first extension board that sets up of one end of second fixed plate, the second fixed plate is close to the articulated second extension board that is provided with of one end of first fixed plate, first extension board is close to the one end of second extension board is provided with third extension board, second extension board is close to the one end of first extension board is provided with fourth extension board, third extension board with be provided with the locking structure between the fourth extension board. This application has the measurement personnel who operates at the measurement and provides the protection, improves the effect of measurement personnel security.
Description
Technical Field
The application relates to the field of foundation pit protection, in particular to a locally extensible fence.
Background
The temporary enclosure is built on the outer side of the foundation pit before foundation pit construction so as to guarantee construction safety, and the enclosure generally encloses the foundation pit to prevent external personnel from falling into the foundation pit. An observation point position is required to be set in the construction process, and an observer is located at the observation point position to observe the foundation pit.
To the correlation technique among the aforesaid, the inventor thinks that the observation point position generally is located and encloses one side that the fender is close to the foundation ditch, and survey crew need enter into and enclose one side that the fender is close to the foundation ditch when surveing, encloses the fender and can't provide the protection for survey crew.
SUMMERY OF THE UTILITY MODEL
In order to protect the measuring staff during the measuring operation and improve the safety of the measuring staff, the application provides a partially extensible enclosure.
The application provides a local malleable encloses fender adopts following technical scheme:
the utility model provides a local malleable encloses fender, including relative first fixed plate and the second fixed plate that sets up, first fixed plate is close to the articulated first extension board that sets up of one end of second fixed plate, the second fixed plate is close to the articulated second extension board that is provided with of one end of first fixed plate, first extension board is close to the one end of second extension board is provided with third extension board, second extension board is close to the one end of first extension board is provided with fourth extension board, third extension board with be provided with locking structure between the fourth extension board.
Through adopting above-mentioned technical scheme, through the first extension board of upset, make first extension board and first fixed plate be perpendicular setting, and the second extension board of upset, make second extension board and second fixed plate be perpendicular setting, remove third extension board and fourth extension board, thereby first extension board, the second extension board, third extension board and fourth extension board enclose into an one end open-ended rectangle structure, make to provide the protection to the survey crew at the measurement operation, improve survey crew's security.
Optionally, a first support rod is hinged to one side of the first extending plate close to the third extending plate, a first support groove is horizontally formed in one side of the third extending plate close to the first extending plate, which is opposite to the first support rod, and one end of the first support rod is located inside the first support groove and is in sliding connection with the first support groove; the second extension board is close to one side of fourth extension board is articulated to be provided with the second bracing piece, the fourth extension board is close to the third extension board is for one side level of second bracing piece has seted up the second and has supported the groove, the one end of second bracing piece is located the inside and relative sliding connection in second support groove.
By adopting the technical scheme, when the third extension plate is rotated, one end of the first support rod, which is positioned in the first support groove, slides relatively in the first support groove, and when the third extension plate and the first extension plate are vertically arranged, one end of the first support rod, which is positioned in the first support groove, is positioned at one end of the first support groove, which is far away from the first fixing plate, so that the included angle between the first extension plate and the third extension plate cannot be increased; when the fourth extension board is rotated, the end of the second support rod in the second support groove slides in the second support groove, and when the fourth extension board and the second extension board are vertically arranged, the end of the second support rod in the second support groove is located at the end of the second support groove departing from the second fixing plate, so that the included angle between the second extension board and the fourth extension board cannot be increased.
Optionally, the bottom ends of the first extending plate, the second extending plate, the third extending plate and the fourth extending plate are respectively hinged to form a baffle.
Through adopting above-mentioned technical scheme, can shield the bottom gap when first extension board, second extension board, third extension board and fourth extension board open the back through the baffle that sets up, reduce the condition that article drop from the gap department of bottom.
Optionally, the locking structure including with the first free end fixed connection's of third extension board first snap ring, the second free end fixed connection of fourth extension board has the second snap ring, works as the third extension board is relative with the fourth extension board, first snap ring with the coaxial setting of second snap ring just is located first snap ring with the inside vertical fixed pin that is provided with of second snap ring.
Through adopting above-mentioned technical scheme, through first snap ring and the second snap ring that sets up for when third extension board and fourth extension board are relative, can pass first snap ring and second snap ring through the fixed pin, make first snap ring and second snap ring relatively fixed, and then fix third extension board and fourth extension board.
Optionally, the locking structure is including being located the articulated locking plate that sets up of third extension board top wall, the roof of fourth extension board for the vertical locking groove of having seted up in the position of locking plate, the locking plate can stretch into the inside in locking groove.
Through adopting above-mentioned technical scheme, through the inside of putting into locking groove with the locking plate to extension board and fourth extension board relatively fixed, make extension board and fourth extension board can synchronous motion, the operating personnel's of being convenient for operation.
Optionally, one end of the third extending plate, which is away from the fourth extending plate, is rotatably connected with a first connecting rod, one end of the first connecting rod, which is close to the first extending plate, is rotatably connected with a first roller, a first sliding groove is horizontally formed in the position, relative to the first roller, of the first extending plate, and the first roller is located inside the first sliding groove and rolls relatively; the top of fourth extension board deviates from the one end of third extension board is rotated and is connected with the second connecting rod, the second connecting rod is close to the one end of second extension board is rotated and is connected with the second gyro wheel, the second extension board for the second spout has been seted up to the position level of second gyro wheel, the second gyro wheel is located the inside and the relative roll of second spout.
Through adopting above-mentioned technical scheme, through moving one side that is close to the foundation ditch with third extension board and fourth extension board synchronous orientation, first gyro wheel rolls relatively in the inside of first spout, and then drive the head rod and rotate, thereby third extension board promotes first extension board and rotates, fourth extension board promotes the second extension board and rotates, the second gyro wheel slides relatively in the inside of second spout, and then drive the second connecting rod and rotate, make first extension board, the second extension board, enclose into an one end open-ended rectangle structure between third extension board and the fourth extension board, the operating personnel's of being convenient for operation.
Optionally, a first locking hole is vertically formed in the bottom end of the first connecting rod, a first spring hole is vertically formed in the upper surface of the third extending plate, the first spring hole is located at one end of the first connecting rod, which is far away from the center of the third extending plate, a first locking block is slidably connected inside the first spring hole, and a first elastic piece is vertically arranged below the first locking block; the bottom of second connecting rod is vertical to be seted up the second locking hole, the upper surface of fourth extension board is vertical to have seted up the second spring hole, the second spring hole site in the second connecting rod deviates from the one end department at fourth extension board center, the inside sliding connection in second spring hole has the second locking piece, the vertical second elastic component that is provided with in below of second locking piece.
By adopting the technical scheme, when the first locking hole of the first connecting rod is opposite to the first spring hole, the first elastic piece pushes the first locking block to enter the first locking hole, so that the first connecting rod is fixed, and the first extension plate and the third extension plate are fixed; when the second locking hole of the second connecting rod is opposite to the second spring hole, the second elastic piece pushes the second locking block to enter the second locking hole, so that the second connecting rod is fixed, and the second extension plate and the fourth extension plate are fixed.
Optionally, a first limiting block is fixedly connected to the third extending plate at a position opposite to the first connecting rod, and the first limiting block includes a first limiting plate and a second limiting plate which are vertically arranged relatively; the fourth extension plate is fixedly connected with a second limiting block relative to the second connecting rod, and the second limiting block comprises a third limiting plate and a fourth limiting plate which are vertically arranged relatively.
By adopting the technical scheme, the rotation angle of the first connecting rod can be limited by the arranged first limiting block, so that the condition that the connection between the first extension plate and the third extension plate is unstable due to the fact that the rotation angle of the first connecting rod is too large is reduced; the second limiting block can limit the rotation angle of the second connecting rod, and the unstable connection condition between the second extension plate and the fourth extension plate caused by the overlarge rotation angle of the second connecting rod is reduced
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first extending plate and the first fixing plate are vertically arranged by turning over the first extending plate, the second extending plate is vertically arranged by turning over the second extending plate, and the third extending plate and the fourth extending plate are moved, so that the first extending plate, the second extending plate, the third extending plate and the fourth extending plate are enclosed into a rectangular structure with one open end, thereby protecting a measurer in measurement operation and improving the safety of the measurer;
2. when the third extending plate is rotated, one end of the first support rod, which is positioned in the first support groove, slides relatively in the first support groove, and when the third extending plate and the first extending plate are vertically arranged, one end of the first support rod, which is positioned in the first support groove, is positioned at one end of the first support groove, which is far away from the first fixing plate, so that the included angle between the first extending plate and the third extending plate cannot be increased; when the fourth extension plate is rotated, one end of the second support rod, which is positioned in the second support groove, slides in the second support groove relatively, and when the fourth extension plate and the second extension plate are vertically arranged, one end of the second support rod, which is positioned in the second support groove, is positioned at one end of the second support groove, which is far away from the second fixed plate, so that the included angle between the second extension plate and the fourth extension plate cannot be increased;
3. through moving one side that is close to the foundation ditch with third extension board and fourth extension board synchronous orientation, first gyro wheel rolls relatively in the inside of first spout, and then drive the head rod and rotate, thereby third extension board promotes first extension board and rotates, fourth extension board promotes the second extension board and rotates, the inside relative slip of second gyro wheel at the second spout, and then drive the second connecting rod and rotate, make first extension board, the second extension board, enclose into an one end open-ended rectangle structure between third extension board and the fourth extension board, the operating personnel's of being convenient for operation.
Drawings
FIG. 1 is an open schematic view of the overall structure of a partially extensible enclosure of example 1 of the present application;
FIG. 2 is a schematic view of the overall structure of a partially extensible enclosure of example 1 of the present application after opening;
FIG. 3 is a schematic view of the connection structure of a third extending plate and a fourth extending plate in a partially extending enclosure in example 1 of the present application;
FIG. 4 is a schematic view of the entire structure of a partially extensible enclosure of example 2 of the present application after opening;
FIG. 5 is a schematic view of a first support bar in a partially extensible enclosure according to example 2 of the present application;
FIG. 6 is a schematic view of a second support bar in a partially extensible enclosure according to example 2 of the present application;
FIG. 7 is a schematic view of the overall structure of a partially extensible enclosure in accordance with example 3 of the present application, shown unopened;
FIG. 8 is a schematic view of the structure of the partially extensible enclosure of example 3 of the present application after the overall structure has been opened;
FIG. 9 is a schematic illustration of the construction of the locking tab in a partially extensible fence of the type described in example 3 of the present application;
FIG. 10 is a schematic structural view of a first connecting rod in a partially extensible enclosure in accordance with example 3 of the present application;
FIG. 11 is a schematic structural view of a second connecting rod in a partially extensible fence in example 3 of the present application;
FIG. 12 is a schematic view of a first locking block in a partially extensible fence according to example 3 of the present application;
FIG. 13 is a schematic view of a second locking block in a partially extensible fence of the type described in example 3 of the present application.
Description of reference numerals: 1. a first fixing plate; 2. a second fixing plate; 3. a first spreader plate; 31. a first support groove; 311. a first support block; 32. a first chute; 321. a first limit groove; 4. a second spreader plate; 41. a second support groove; 42. a second support block; 43. a second chute; 431. a second limit groove; 5. a third extending plate; 51. a first fixed end; 52. a first free end; 53. a first snap ring; 54. a fixing pin; 55. a first accommodating groove; 551. a first support bar; 56. a locking piece; 57. a first connecting rod; 571. a first roller; 572. a first limit rod; 573. a first locking hole; 58. a first stopper; 581. a first limit plate; 582. a second limiting plate; 59. a first spring hole; 591. a first locking block; 592. a first spring; 510. a first opening hole; 5101. a first opening block; 6. a fourth extending plate; 61. a second fixed end; 62. a second free end; 63. a second snap ring; 64. a second accommodating groove; 65. a second support bar; 66. a locking groove; 67. a second connecting rod; 671. a second roller; 672. a second limiting rod; 673. a second locking hole; 68. a second limiting block; 681. a third limiting plate; 682. a fourth limiting plate; 69. a second spring hole; 691. a second locking block; 692. a second spring; 610. a second opening hole; 6101. a second opening block; 7. and a baffle plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-13.
The embodiment of the application discloses a fence capable of being locally expanded.
Example 1
Referring to fig. 1 and 2, the partially extensible fence includes a first fixing plate 1 and a second fixing plate 2 which are vertically arranged, and the first fixing plate 1 and the second fixing plate 2 are parallel arranged. One side that is located first fixed plate 1 and is close to second fixed plate 2 is vertical to be provided with first extension board 3, and first extension board 3 sets up through hinge between 1 with first fixed plate.
One side that is located second fixed plate 2 and is close to first fixed plate 1 is vertical to be provided with second extension board 4, and second extension board 4 and second fixed plate 2 are articulated the setting through the hinge between. When first extension board 3 and second extension board 4 all with first fixed plate 1 parallel arrangement, it is fixed through the bolt between first extension board 3 and the second extension board 4 is relative, and then constitutes the rectangle structure of a protection through first fixed plate 1, first extension board 3, second extension board 4 and second fixed plate 2.
One side that deviates from the foundation ditch that is located first extension board 3 is vertical is provided with third extension board 5, and third extension board 5 and first extension board 3 deviate from the articulated setting of one side of first fixed plate 1. The one end that third extension board 5 and first extension board 3 articulated is the first stiff end 51 of third extension board 5, and the one end that third extension board 5 deviates from first stiff end 51 is the first free end 52 of third extension board 5.
One side that is located second extension board 4 and deviates from the foundation ditch is vertical to be provided with fourth extension board 6, and fourth extension board 6 and second extension board 4 deviate from the articulated setting of one side of second fixed plate 2. The one end that fourth extension board 6 and second extension board 4 articulated is the second stiff end 61 of fourth extension board 6, and the one end that fourth extension board 6 deviates from second stiff end 61 is the second free end 62 of fourth extension board 6.
The third extending plate 5 is fixed with the first fixing plate 1 through a bolt, and the fourth extending plate 6 is fixed with the second fixing plate 2 through a bolt. After the third extending plate 5 and the bolts of the first fixing plate 1, the fourth extending plate 6 and the second fixing plate 2 are separated, the first extending plate 3 is turned towards one side of the first fixing plate 1, and the second extending plate 4 is turned towards one side of the second fixing plate 2. The third extending plate 5 is overturned along with the first extending plate 3, and when the first extending plate 3 is overturned in place, the third extending plate 5 is overturned; the fourth extension board 6 overturns along with the second extension board 4, and after the second extension board 4 overturns and targets in place, the fourth extension board 6 overturns, so that the first extension board 3 and the second extension board 4 are relatively parallel, the third extension board 5 and the fourth extension board 6 are relatively parallel, the first extension board 3 and the third extension board 5 are vertically arranged, and the second extension board 4 and the fourth extension board 6 are vertically arranged.
Referring to fig. 2 and 3, a first snap ring 53 is fixedly connected to the first free end 52, and an axis of the first snap ring 53 is vertically arranged; and a second snap ring 63 is fixedly connected to the second free end 62, and the axis of the second snap ring 63 is vertically arranged. When first free end 52 and second free end 62 are relative, first snap ring 53 and the coaxial setting of second snap ring 63, and the vertical sliding connection in inside that is located first snap ring 53 has first fixed pin 54, and first fixed pin 54 can stretch into the inside of first snap ring 53 and second snap ring 63, and then fixes third extension board 5 and fourth extension board 6.
The bottom that is located first extension board 3, second extension board 4, third extension board 5 and fourth extension board 6 is vertical baffle 7 that is provided with respectively, and the articulated setting in top of baffle 7 to when first extension board 3, second extension board 4, third extension board 5 and fourth extension board 6 are the open mode, baffle 7 can shelter from the gap that is located the below.
The implementation principle of the embodiment 1 is as follows: the first extending plate 3 is vertically arranged between the first extending plate 3 and the first fixing plate 1 by turning the first extending plate 3 towards one side of the foundation pit, and then the third extending plate 5 is turned over to enable the third extending plate 5 and the first extending plate 3 to be in a vertical state; the third extension plate 5 is turned towards one side of the foundation pit, so that the third extension plate 5 and the second fixing plate 2 are vertically arranged, then the fourth extension plate 6 is turned, the fourth extension plate 6 and the second extension plate 4 are in a vertical state, and the third extension plate 5 and the fourth extension plate 6 are fixed by inserting the fixing pin 54 between the first clamping ring 53 and the second clamping ring 63 which are coaxially arranged relatively.
Example 2
Referring to fig. 4 and 5, embodiment 2 differs from embodiment 1 in that:
the first holding groove 55 has been seted up to the lateral wall level that is located third extension board 5 and is close to first extension board 3, and the one end that is located first holding groove 55 and is close to first stiff end 51 articulates and is provided with first bracing piece 551. First supporting groove 31 has been seted up to one side level that is located first extension board 3 and is close to third extension board 5, and first supporting groove 31 is "T" shape structure, and the inside sliding connection who is located first supporting groove 31 has first supporting block 311, and first supporting block 311 is the "T" shape structure with first supporting groove 31 structure looks adaptation. The end of the first support bar 551 departing from the first receiving groove 55 is hinged to the first support block 311.
And then when first extension board 3 and third extension board 5 are perpendicular setting, first supporting block 311 is located the one end that is close to third extension board 5 for the angle between first extension board 3 and the third extension board 5 can not the grow.
Referring to fig. 4 and 6, a second receiving groove 64 is horizontally formed in a side wall of the fourth extending plate 6 close to the second extending plate 4, and a second supporting rod 65 is hinged to one end of the second receiving groove 64 close to the second fixing end 61. A second supporting groove 41 is horizontally formed in one side, close to the fourth extending plate 6, of the second extending plate 4, the second supporting groove 41 is of a T-shaped structure, a second supporting block 42 is slidably connected to the inside of the second supporting groove 41, and the second supporting block 42 is of a T-shaped structure matched with the second supporting groove 41 in structure. An end of the second support bar 65 away from the second receiving groove 64 is hinged to the second supporting block 42.
And then when second extension board 4 and fourth extension board 6 are perpendicular setting, second supporting shoe 42 is located the one end that is close to fourth extension board 6, and then makes the angle between second extension board 4 and the fourth extension board 6 can not the grow.
The implementation principle of the embodiment 2 is as follows: when the third extending plate 5 is turned over, the first supporting rod 551 drives the first supporting block 311 to move towards one end of the first supporting slot 31 close to the third extending plate 5, and when the third extending plate 5 and the first extending plate 3 are in a vertical state, the first supporting block 311 is located at one end of the first supporting slot 31 close to the third extending plate 5, so that the angle between the first extending plate 3 and the third extending plate 5 cannot be increased; when the fourth extending plate 6 is turned over, the second support rod 65 drives the second support block 42 to move towards one end of the second support groove 41 close to the fourth extending plate 6, and when the fourth extending plate 6 and the second extending plate 4 are in a vertical state, the second support block 42 is located at one end of the second support groove 41 close to the fourth extending plate 6, so that the angle between the second extending plate 4 and the fourth extending plate 6 cannot be increased; thereby fixing the shapes of the first extension board 3, the second extension board 4, the third extension board 5 and the fourth extension board 6.
Example 3
Referring to fig. 7 and 8, embodiment 3 differs from embodiment 1 in that:
Referring to fig. 8 and 9, the upper surface of the end of the third extending plate 5 close to the fourth extending plate 6 is hinged to be provided with the locking piece 56, the upper surface of the end of the fourth extending plate 6 close to the third extending plate 5 is vertical to be provided with a locking groove 66, the locking piece 56 can extend into the locking groove 66, and therefore the third extending plate 5 and the fourth extending plate 6 can be fixed relatively through the matching of the locking groove 66 and the locking piece 56.
Referring to fig. 8 and 10, a first connecting rod 57 is rotatably connected to an upper surface of one end of the third extending plate 5 away from the fourth extending plate 6, a first roller 571 is rotatably connected to one end of the first connecting rod 57 away from the hinge point, and an axis of the first roller 571 is vertically arranged. A first sliding groove 32 is horizontally formed on the first extending plate 3 at a position corresponding to the first roller 571, and the first roller 571 is located inside the first sliding groove 32 and is connected in a rolling manner.
The first connecting rod 57 is vertically and fixedly connected with a first limiting rod 572 corresponding to the axis of the first roller 571, the first extending plate 3 is horizontally provided with a first limiting groove 321 corresponding to the first limiting rod 572, the first limiting groove 321 is communicated with the first sliding groove 32, and the first limiting rod 572 is located inside the first limiting groove 321 and slides relative to the first limiting groove 32.
When an operator pushes the third extending plate 5 to move towards one side close to the foundation pit, the third extending plate 5 drives the first extending plate 3 to rotate, so that the third extending plate 5 moves towards one side parallel to the foundation pit, the first roller 571 is located inside the first sliding groove 32 and slides relatively, the first connecting rod 57 rotates along with the sliding of the third extending plate 5, and when the first roller 571 moves to one end of the first sliding groove 32 deviating from the first fixing plate 1, the first connecting rod 57 and the third extending plate 5 are horizontally arranged.
Referring to fig. 8 and 11, a second connecting rod 67 is rotatably connected to an upper surface of one end of the fourth extending plate 6 away from the third extending plate 5, a second roller 671 is rotatably connected to one end of the second connecting rod 67 away from the hinge point, and an axis of the second roller 671 is vertically arranged. A second sliding groove 43 is horizontally formed in the second extending plate 4 at a position corresponding to the second roller 671, and the second roller 671 is located inside the second sliding groove 43 and is connected with the second sliding groove in a sliding manner.
The second connecting rod 67 is vertically and fixedly connected with a second limiting rod 672 relative to the axis of the second roller 671, a second limiting groove 431 is horizontally formed in the second extending plate 4 relative to the second limiting rod 672, the second limiting groove 431 is communicated with the second sliding groove 43, and the second limiting rod 672 is located in the second limiting groove 431 and slides relative to the second limiting groove.
When operating personnel promoted fourth extension board 6 and moved towards the one side that is close to the foundation ditch, fourth extension board 6 drove second extension board 4 and rotates, thereby move the parallel one side towards the foundation ditch of fourth extension board 6, and second gyro wheel 671 is located the inside relative slip of second spout 43, and second connecting rod 67 rotates along with the slip of fourth extension board 6, when the second pulley removed the one end that second spout 43 deviates from second fixed plate 2, second connecting rod 67 and fourth extension board 6 are the horizontal setting.
Referring to fig. 8 and 10, a first limiting block 58 is fixedly connected to the upper surface of the third extending plate 5 relative to the position of the first connecting rod 57, the first limiting block 58 includes a first limiting plate 581 horizontally disposed with the third extending plate 5 and a second limiting plate 582 vertically disposed with the first limiting plate 581, the first connecting rod 57 is limited by the first limiting block 58, the rotation angle of the first connecting rod 57 is vertically disposed, and the condition that the angle between the third extending plate 5 and the first extending plate 3 is too large due to the too large rotation angle of the first connecting rod 57 is reduced.
Referring to fig. 8 and 11, the upper surface of the fourth extending plate 6 is connected with a second limiting block 68 relative to the position fixing of the second connecting rod 67, the second limiting block 68 comprises a third limiting plate 681 horizontally arranged with the fourth extending plate 6 and a fourth limiting plate 682 vertically arranged with the third limiting plate 681, the second connecting rod 67 is limited by the second limiting block 68, the rotation angle of the second connecting rod 67 is vertically arranged, and the condition that the angle between the fourth extending plate 6 and the second extending plate 4 caused by the too large rotation angle of the second connecting rod 67 is reduced.
Referring to fig. 10 and 12, a first locking hole 573 is vertically formed at the bottom end of the first connecting rod 57, and a first spring hole 59 is vertically formed on the upper surface of the third extending plate 5, wherein the first spring hole 59 is located at one end of the first connecting rod 57 away from the center of the third extending plate 5. A first locking block 591 is vertically slidably connected inside the first spring hole 59, and a first spring 592 is vertically disposed below the first locking block 591. So that when the first locking hole 573 of the first connecting rod 57 is opposite to the first spring hole 59, the first spring 592 can push the first locking piece 591 into the inside of the first locking hole 573, thereby locking the first connecting rod 57.
A first opening hole 510 is horizontally formed in one side, close to the foundation pit, of the third extending plate 5, opposite to the first locking block 591, the first opening hole 510 is communicated with the first spring hole 59, a first opening block 5101 is connected inside the first opening hole 510 in a sliding mode, and the first opening block 5101 is fixedly connected with the first locking block 591. Thus, by moving the first opening block 5101 downward, the operator can move the first locking block 591 downward, and then slide the first locking block 591 out of the first locking hole 573.
Referring to fig. 11 and 13, a second locking hole 673 is formed at the bottom end of the second connecting rod 67, a second spring hole 69 is vertically formed on the upper surface of the fourth extending plate 6, and the second spring hole 69 is located at one end of the second connecting rod 67 away from the center of the fourth extending plate 6. A second locking block 691 is vertically slidably connected inside the second spring hole 69, and a second spring 692 is vertically disposed below the second locking block 691. So that the second spring 692 can push the second locking block 691 into the inside of the second locking hole 673 when the second locking hole 673 of the second connecting rod 67 is opposed to the second spring hole 69, thereby locking the second connecting rod 67.
A second opening hole 610 is horizontally formed in one side, close to the foundation pit, of the fourth extending plate 6, relative to the second locking block 691, the second opening hole 610 is communicated with the second spring hole 69, a second opening block 6101 is connected inside the second opening hole 610 in a sliding mode, and the second opening block 6101 is fixedly connected with the second locking block 691. Therefore, an operator can move the second opening block 6101 downwards, so that the second opening block 6101 can drive the second locking block 691 to move downwards, and further slide the second locking block 691 out of the second locking hole 673.
The implementation principle of the embodiment 3 is as follows: through moving third extension board 5 and fourth extension board 6 towards the one side that is close to the foundation ditch, and then third extension board 5 promotes first extension board 3 and rotates, and fourth extension board 6 promotes second extension board 4 and rotates, and first locking piece 591 is fixed with head rod 57 to it is fixed with third extension board 5, and second locking piece 691 is fixed with second connecting rod 67, thereby fixes fourth extension board 6.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A locally malleable surround, characterized by: including first fixed plate (1) and second fixed plate (2) of relative setting, first fixed plate (1) is close to the articulated first extension board (3) that sets up of one end of second fixed plate (2), second fixed plate (2) are close to the one end of first fixed plate (1) is articulated to be provided with second extension board (4), first extension board (3) are close to the one end of second extension board (4) is provided with third extension board (5), second extension board (4) are close to the one end of first extension board (3) is provided with fourth extension board (6), third extension board (5) with be provided with locking structure between fourth extension board (6).
2. A locally extensible fence according to claim 1 wherein: a first supporting rod (551) is hinged to one side, close to the third extending plate (5), of the first extending plate (3), a first supporting groove (31) is horizontally formed in one side, close to the first extending plate (3), of the third extending plate (5) and opposite to the first supporting rod (551), and one end of the first supporting rod (551) is located inside the first supporting groove (31) and is in relative sliding connection; second extension board (4) are close to one side of fourth extension board (6) is articulated to be provided with second bracing piece (65), fourth extension board (6) are close to third extension board (5) for second bracing piece (65) one side level has seted up the second and has supported groove (41), the one end of second bracing piece (65) is located the inside and relative sliding connection of second support groove (41).
3. A locally extensible fence according to claim 1 wherein: the bottom of first extension board (3), second extension board (4), third extension board (5) and fourth extension board (6) is articulated respectively and is provided with baffle (7).
4. A locally extensible fence according to claim 1 wherein: locking structure including with first free end (52) fixed connection's of third extension board (5) first snap ring (53), second free end (62) fixedly connected with second snap ring (63) of fourth extension board (6) work as third extension board (5) and fourth extension board (6) are relative, first snap ring (53) with second snap ring (63) coaxial setting just is located first snap ring (53) with the vertical fixed pin (54) that is provided with in inside of second snap ring (63).
5. A locally extensible fence according to claim 1 wherein: the locking structure is including being located locking piece (56) that third extension board (5) roof is articulated to be set up, the roof of fourth extension board (6) for locking piece (56) the position is vertical has seted up locking groove (66), locking piece (56) can stretch into the inside of locking groove (66).
6. A locally extensible fence according to claim 1 wherein: one end of the third extending plate (5) departing from the fourth extending plate (6) is rotatably connected with a first connecting rod (57), one end of the first connecting rod (57) close to the first extending plate (3) is rotatably connected with a first idler wheel (571), the first extending plate (3) is horizontally provided with a first chute (32) relative to the first idler wheel (571), and the first idler wheel (571) is positioned in the first chute (32) and rolls relatively; the top of fourth extension board (6) deviates from the one end of third extension board (5) is rotated and is connected with second connecting rod (67), second connecting rod (67) are close to the one end of second extension board (4) is rotated and is connected with second gyro wheel (671), second spout (43) have been seted up for second gyro wheel (671) position level to second extension board (4), second gyro wheel (671) are located the inside and relative roll of second spout (43).
7. The locally extensible fence of claim 5, wherein: a first locking hole (573) is vertically formed in the bottom end of the first connecting rod (57), a first spring hole (59) is vertically formed in the upper surface of the third extending plate (5), the first spring hole (59) is located at one end, away from the center of the third extending plate (5), of the first connecting rod (57), a first locking block (591) is connected inside the first spring (592) hole (59) in a sliding mode, and a first elastic piece is vertically arranged below the first locking block (591); second locking hole (673) have vertically been seted up to the bottom of second connecting rod (67), second spring hole (69) have vertically been seted up to the upper surface of fourth extension board (6), second spring hole (69) are located second connecting rod (67) deviates from one end department at fourth extension board (6) center, the inside sliding connection of second spring hole (69) has second locking piece (691), the vertical second elastic component that is provided with in below of second locking piece (691).
8. A locally extensible fence according to claim 1 wherein: a first limiting block (58) is fixedly connected to the third extending plate (5) relative to the first connecting rod (57), and the first limiting block (58) comprises a first limiting plate (581) and a second limiting plate (582) which are vertically arranged relatively; fourth extension board (6) are gone up for the position fixedly connected with second stopper (68) of second connecting rod (67), second stopper (68) are including third limiting plate (681) and fourth limiting plate (682) of relative perpendicular setting.
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CN202121931499.XU CN215671529U (en) | 2021-08-17 | 2021-08-17 | Partially malleable enclosing barrier |
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CN202121931499.XU CN215671529U (en) | 2021-08-17 | 2021-08-17 | Partially malleable enclosing barrier |
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CN215671529U true CN215671529U (en) | 2022-01-28 |
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CN202121931499.XU Active CN215671529U (en) | 2021-08-17 | 2021-08-17 | Partially malleable enclosing barrier |
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