CN115370232A

CN115370232A - Fence for building

Info

Publication number: CN115370232A
Application number: CN202210940225.XA
Authority: CN
Inventors: 李彬
Original assignee: Beijing Jingdian Fengsheng Construction Co ltd
Current assignee: Beijing Jingdian Fengsheng Construction Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-11-22
Anticipated expiration: 2042-08-05
Also published as: CN115370232B

Abstract

The application discloses rail for building, relate to the building field, it includes the base, be fixed with vertical first stand and second stand on the base side by side the interval, it has baffle structure to articulate between first stand and the second stand, baffle structure has the first state of vertical setting and winds the second state of pin joint swing to slope setting under the exogenic action, be equipped with the rainwater collecting box on the base and be used for injecing the locating part of baffle structure swing range, the rainwater collecting box can fix the baffle structure that is in the second state under rainwater gravity. Rainwater collecting box in this application can collect the rainwater and fix a position the baffle structure under rainwater gravity, and the rainwater can remove rainwater collecting box to the location of baffle structure in evaporation process gradually, makes the baffle structure reset under the action of gravity, and the baffle structure here can rely on natural strength location and reset, and to the rail that needs use in batches, it is very practical.

Description

Fence for building

Technical Field

The application relates to the field of buildings, in particular to a fence for buildings.

Background

The buildings comprise engineering buildings for people to live, work, study, produce, manage, entertain, store articles and perform other social activities and engineering buildings except houses, such as structures of enclosing walls, roads, dams, wells, tunnels, water towers, bridges, chimneys and the like; these buildings are constructed with a number of risk factors, and fences are generally used to isolate the area of the building being constructed from other areas for personal safety and equipment and facilities.

Most of building construction is outdoor, outdoor fences are subjected to wind blowing and sun exposure, the fences can be blown down in stormy weather, and personal safety is threatened, the existing fences are generally windproof in a mode of reducing the contact area of the fences and wind, but the windproof fences generally need manual operation to achieve the purpose of reducing the contact area, and the restoration also needs manual operation; many pens are required to isolate the area of the building being constructed from other areas and so many pens are handled manually, which is clearly unlikely and therefore not practical in spite of such wind-resistant pens.

Disclosure of Invention

In order to improve the practicality that has the effect rail of preventing wind, this application provides a rail for building.

The application provides a rail for building adopts following technical scheme:

the utility model provides a fence for building, includes the base, be fixed with vertical first stand and second stand on the base side by side the interval, first stand with it has baffle structure to articulate between the second stand, baffle structure has the first state of vertical setting and swings to the second state that the slope set up around the pin joint under the exogenic action, be equipped with the rainwater collecting box on the base and be used for injecing the locating part of baffle structure swing range, the rainwater collecting box can fix under rainwater action of gravity and be in the second state baffle structure.

Through adopting the above technical scheme, windless weather, the vertical setting of baffle, strong wind weather, the baffle is around the pin joint swing with first stand and second stand under the wind-force effect, baffle structure can slope the setting, limiting piece on the base can support baffle structure, the area of contact of baffle structure and wind reduces like this, the windproof effect has, general strong wind can be followed heavy rain, the rainwater constantly gets into the rainwater collecting box, the rainwater collecting box constantly becomes heavy to fixed with baffle structure, weather changes fine, the rainwater in the rainwater collecting box evaporates gradually, the rainwater collecting box lightens gradually and removes the fixed to baffle structure, baffle structure can reset under the action of gravity like this, this fence for building can rely on natural strength to make baffle structure fixed and reset, it is very practical.

Optionally, the baffle structure includes a first baffle and a second baffle, the first baffle is hinged on the first column and the second column, the lower end of the second baffle is hinged with the upper end of the first baffle, the first baffle is connected with a control assembly, the control assembly can drive the second baffle to swing around a hinge point between the first baffle and position the baffle structure in the second state after the second baffle swings.

Through adopting above-mentioned technical scheme, the control assembly can drive the second baffle around with the pin joint swing between the first baffle, strong wind and heavy rain weather, workman and passerby can stand and take shelter from rain under the second baffle, fine weather, and the second baffle has the sunshade effect, and building site's staff also can have a rest under the second baffle.

Optionally, the locating part includes that the interval is fixed side by side first stopper and the second stopper of base upside, first stopper with the second stopper is in the straight line that links into on the base with first stand with the second stand is in the straight line that links into on the base is mutually perpendicular, the baffle structure is located first stopper with between the second stopper, first baffle is connected with only can first stopper with reciprocating motion between the second stopper and can with first stopper or the slider of second stopper looks butt.

Through adopting above-mentioned technical scheme, set up first stopper and second stopper and make the baffle structure no matter clockwise swing or anticlockwise swing can both be supported, make the baffle structure have the effect of preventing wind when not losing most basic isolation function.

Optionally, a guide plate is fixed between the first limiting block and the second limiting block on the upper side of the base, a strip-shaped through groove extending from the first limiting block to the second limiting block is formed on the upper side of the guide plate, the first limiting block is fixed at one end of the strip-shaped through groove, the second limiting block is fixed at the other end of the strip-shaped through groove, the strip-shaped through groove is a T-shaped groove, the slider is including inlaying and establishing the slider of bar logical inslot, the slider upside is equipped with the connecting portion that upwards extend, vertical guide way has been seted up on the connecting portion, one side lower extreme of first baffle articulates there is the embedding connecting block in the guide way, the connecting block downside is fixed with the elastic locating element, the elastic locating element is in when baffle structure is in the first state with guide way lower extreme cell wall looks butt.

By adopting the technical scheme, the swing of the baffle structure is decomposed into the movement of the sliding block along the length direction of the strip through groove and the up-and-down movement of the connecting block in the guide groove, so that the baffle structure is conveniently positioned and the swing range of the baffle structure is limited; the elastic positioning piece can position the vertically arranged baffle plate structure, so that the fence has a better isolation effect.

Optionally, the rainwater collecting box includes a bracket fixed on the upper side of the base and a box body used for collecting rainwater, a plurality of elastic supporting members are fixed on the bracket, the elastic supporting members are all abutted against the lower side of the box body, a plurality of water guide holes communicated with the inside of the box body are formed in the upper side of the box body, a first L-shaped rod and a second L-shaped rod are fixed on the side wall of the box body, the first L-shaped rod and the second L-shaped rod are located right above the bar-shaped through groove of the guide plate and are arranged in parallel in the length direction of the bar-shaped through groove at intervals, the first L-shaped rod is located close to the first limiting block, the second L-shaped rod is located close to the second limiting block, and a clamping groove for embedding the lower end of the first L-shaped rod or the lower end of the second L-shaped rod is formed in the upper side of the sliding block.

Through adopting the above technical scheme, strong wind and strong rain weather, strong wind makes baffle structure slant setting, slider and first stopper or second stopper looks butt, the rainwater gets into in the rainwater collecting box by the water guiding hole, under rainwater action of gravity, the rainwater collecting box can descend, first L shape pole and the second L shape pole of fixing on the rainwater collecting box can descend, first L shape pole or second L shape pole can get into in the draw-in groove of slider and fix the baffle structure like this, first L shape pole or the cooperation of second L shape pole and draw-in groove, make the rainwater collecting box have better location effect.

Optionally, the box is located under the first baffle, an arc-shaped water collecting tank is arranged on the upper side of the box, and the water guide holes are located in the water collecting tank.

Through adopting above-mentioned technical scheme, the water catch bowl is the arc wall, does benefit to and collects the rainwater.

Optionally, the confession has been seted up to the bracket upside the holding tank of box embedding, it is a plurality of elastic support piece all fixes the holding tank bottom, the lateral wall of box with the cell wall looks butt of holding tank, the box upside is higher than the bracket upside.

By adopting the technical scheme, rainwater is prevented from entering the box body from the gap between the side wall of the box body and the wall of the accommodating groove, and the elastic supporting piece is prevented from being damaged after long-term soaking; the lateral wall of box with the cell wall looks butt of holding tank has improved the stability of box.

Optionally, both sides that first baffle is relative all are fixed with the pillar, the pillar is followed the direction of height of first baffle extends, one of them the pillar with first stand is articulated mutually, another the pillar with the second stand is articulated mutually, first baffle by first stand court the second stand extends, two the upper end of pillar all is higher than first baffle upper end, second baffle lower extreme is located two just be fixed with the edge between the pillar the pivot that first baffle length direction extends, the end rotation of pivot is connected on the pillar, control assembly is including rotating the connection hand wheel on the pillar lateral wall, be used for connecting the hand wheel with the driving medium of pivot and can after the swing of second baffle with the slider supports tightly the butt piece on the base.

Through adopting above-mentioned technical scheme, here utilize the hand wheel manual drive second baffle swing, just need not consider the problem of power supply, reduced the technological requirement of production rail, also reduced manufacturing cost simultaneously.

Optionally, a groove for placing a hand wheel is formed in the outer side wall of the support column, a mounting groove penetrating through the lower end is formed in the upper end of the support column, the rotating shaft penetrates through the mounting groove, the transmission part comprises a first vertical gear located in the mounting groove, a second vertical gear fixed in the rotating shaft and a toothed belt sleeved on the first vertical gear and the second vertical gear, a hand wheel shaft is further rotatably connected to the support column, one end of the hand wheel shaft is located in the mounting groove, the first vertical gear is fixed on the hand wheel shaft, and the other end of the hand wheel shaft is located in the groove and the hand wheel is fixed on the hand wheel shaft.

Through adopting above-mentioned technical scheme, the constitution of driving medium is simple, all is more common spare part, and the easy access has reduced manufacturing cost simultaneously.

Optionally, the pillar is located the mounting groove cell wall has still seted up the spout, the spout extends along the direction of height of pillar, the butt piece includes eccentric gear, is located guide block and the gear shaft of rotating to be connected in the spout on the guide block, the gear shaft with eccentric gear eccentric position links to each other, eccentric gear is located a vertical gear top and with a vertical gear meshes mutually, the guide block lower extreme be equipped with can with the butt portion of slider looks butt.

Through adopting above-mentioned technical scheme, when the workman need be under the second baffle take shelter from rain or have a rest, the swing of hand wheel drive second baffle, perpendicular gear one can drive the guide block along spout reciprocating motion with eccentric gear engaged with, butt portion can stretch out the mounting groove and support the slider tightly on the base at this process, makes the baffle structure be in more stable state.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rainwater collecting box can collect rainwater and position the baffle structure under the gravity of the rainwater, the rainwater can remove the positioning of the rainwater collecting box on the baffle structure in the gradual evaporation process, so that the baffle structure can reset under the action of gravity, and the baffle structure can be positioned and reset by depending on natural force, so that the rainwater collecting box is very practical for fences needing to be used in batches;

2. the control assembly can drive the second baffle to swing, so that a certain included angle is formed between the first baffle and the second baffle, and the fence has the functions of rain sheltering, sun shading and the like;

3. the control assembly is internally provided with a butt joint piece, when the second baffle swings, the butt joint part on the guide block can butt the sliding piece on the base tightly, and then the baffle structure is positioned, so that the fence is in a stable state, and the safety is improved.

Drawings

Fig. 1 is a schematic structural diagram of a fence for building according to an embodiment of the present application.

Fig. 2 is a first schematic view of a connection structure of a baffle structure and a sliding member in the fence for building according to the embodiment of the present application.

Fig. 3 is a second schematic view of a connecting structure of the sliding member and the baffle structure in the fence for building according to the embodiment of the present application.

Fig. 4 is a schematic view of a connection structure of a first baffle, a second baffle and a control assembly in the fence for building according to the embodiment of the present application.

Fig. 5 is a schematic structural diagram of a control assembly in the enclosure for building according to the embodiment of the present application.

Description of reference numerals:

1. a base; 2. a first upright post; 3. a second upright; 4. a baffle structure; 41. a first baffle plate; 42. a pillar; 421. a groove; 422. mounting grooves; 423. a chute; 43. a second baffle; 5. a rainwater collection box; 51. a bracket; 51a, a holding tank; 52. a box body; 52a, a water guide hole; 52b, a water collection tank; 53. an elastic support member; 54. a first L-shaped bar; 55. a second L-shaped bar; 6. a limiting member; 61. a first stopper; 62. a second limiting block; 7. a control component; 71. a hand wheel; 72. a transmission member; 721. a first vertical gear; 722. a second vertical gear; 723. a toothed belt; 724. a hand wheel shaft; 73. an abutting member; 731. an eccentric gear; 732. a guide block; 732a, an abutting portion; 733. a gear shaft; 8. a slider; 81. a slider; 81a and a clamping groove; 82. a connecting portion; 82a, a guide groove; 9. a guide plate; 91. a strip-shaped through groove; 10. connecting blocks; 11. an elastic positioning member; 12. a rotating shaft.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses rail for building, refer to fig. 1, including base 1, vertical first stand 2 and the second stand 3 of fixing at the base 1 upside at interval side by side and be located the baffle structure 4 between first stand 2 and the second stand 3, baffle structure 4 is articulated mutually with first stand 2 and second stand 3, has the interval between 1 upside of base and the 4 lower extremes of baffle structure, 1 upside of base is equipped with rainwater collecting box 5, rainwater collecting box 5 is located between 1 upside of base and the 4 lower extremes of baffle structure.

Referring to fig. 1, the baffle structure 4 includes a first baffle plate 41 and a second baffle plate 43, both the first baffle plate 41 and the second baffle plate 43 are rectangular plates, pillars 42 are fixed on both opposite sides of the first baffle plate 41, one of the pillars 42 is hinged to the first column 2 through a pin, the other pillar 42 is hinged to the second column 3 through a pin, the length directions of the first baffle plate 41 and the second baffle plate 43 extend from the first column 2 to the second column 3, the pillars 42 extend along the height direction of the first baffle plate 41, the upper ends of the pillars 42 are higher than the upper ends of the first baffle plate 41, and the second baffle plate 43 is located between the upper ends of the two pillars 42.

Referring to fig. 1, in a normal state, the baffle plate structure 4 is vertically arranged, which is a first state of the baffle plate structure 4, and the baffle plate structure 4 can swing around a hinge point between the first upright column 2 and the second upright column 3 under the action of an external force, so as to be obliquely arranged, which is a second state of the baffle plate structure 4.

Referring to fig. 1 and 2, 1 upside of base is fixed with deflector 9, the length direction of deflector 9 is mutually perpendicular with the length direction of first baffle 41, the logical groove 91 of bar has been seted up to deflector 9 upside, the logical groove 91 of bar extends along the length direction of deflector 9, still be equipped with the locating part 6 that is used for injecing 4 swing ranges of baffle structure on the base 1, locating part 6 is including fixing first stopper 61 and the second stopper 62 on base 1, first baffle 41 is located between first stopper 61 and the second stopper 62, the one end at the logical groove 91 of bar is fixed to first stopper 61, the other end at the strip spout 423 is fixed to second stopper 62, first baffle 41 is connected with the slider 8 that can be at reciprocating motion in strip spout 423, slider 8 slides to the logical groove 91 one end of bar and can with first stopper 61 looks butt, slider 8 slides to the logical groove 91 other end of bar and can with second stopper 62 looks butt.

Referring to fig. 2 and 3, slider 8 is including inlaying the slider 81 of establishing in the logical groove 91 of bar, slider 81 upside is equipped with the connecting portion 82 that extends to deflector 9 top, vertical guide way 82a has been seted up on connecting portion 82, one side lower extreme of first baffle 41 rotates and is connected with the connecting block 10 that can imbed in the guide way 82a, the longitudinal section that the logical groove 91 of bar is the T shape, connecting block 10 is the rectangular block, the downside of connecting block 10 is fixed with elasticity setting element 11, elasticity setting element 11 in this application is the spring, elasticity setting element 11 is located guide way 82a, when baffle structure 4 is in first state, elasticity setting element 11 can support the lower extreme cell wall of tight guide way 82 a.

Referring to fig. 2, the rainwater collection box 5 includes a bracket 51 fixed on the upper side of the base 1 and a box 52 for collecting rainwater, a holding tank 51a for embedding the box 52 is provided on the upper side of the bracket 51, a plurality of elastic supporting members 53 are fixed on the bottom of the holding tank 51a, the elastic supporting members 53 in the present application are springs, the elastic supporting members 53 are abutted against the lower side of the box 52, the box 52 is extended towards the direction of the second upright column 3 by the first upright column 2, the side wall of the box 52 is abutted against the wall of the holding tank 51a, the upper side of the box 52 is provided with a water collection tank 52b, the water collection tank 52b is an arc-shaped tank, the baffle structure 4 is vertically arranged right above the middle part of the upper side of the box 52 when being in the first state, and the wall of the water collection tank 52b is provided with a plurality of water guide holes 52a communicated with the inside of the box 52.

Referring to fig. 2 and 3, a first L-shaped rod 54 and a second L-shaped rod 55 are fixed on the side wall of the box 52, the first L-shaped rod 54 and the second L-shaped rod 55 are arranged side by side at intervals along the length direction of the guide plate 9 and are both located right above the strip-shaped through groove 91 on the guide plate 9, the first L-shaped rod 54 is located near the first limiting block 61, the second L-shaped rod 55 is located near the second limiting block 62, and a clamping groove 81a for embedding the lower end of the first L-shaped rod 54 and the lower end of the second L-shaped rod 55 is formed in the upper side of the sliding block 81.

In the weather of strong wind and heavy rain, baffle structure 4 can incline the setting under the wind-force effect, slider 81 removes and offsets with first stopper 61 or second stopper 62 in bar spout 423 simultaneously, the rainwater is constantly by water guiding hole 52a entering box 52 in, box 52 constantly descends under rainwater gravity, first L shape pole 54 and second L shape pole 55 also constantly move down to first L shape pole 54 lower extreme or second L shape pole 55 lower extreme entering draw-in groove 81a of slider 81 to fix baffle structure 4 that the slope set up.

Referring to fig. 4 and 5, the rotating shaft 12 is fixed on both sides of the second blocking plate 43, the rotating shaft 12 is disposed on the support 42 in a penetrating manner, the first blocking plate 41 is further provided with the control component 7, the control component 7 includes a hand wheel 71, a transmission member 72 and an abutting member 73, a groove 421 is formed on the outer side of the support 42, the hand wheel 71 is disposed in the groove 421, the hand wheel 71 is rotatably connected to the support 42, the hand wheel 71 is connected to the rotating shaft 12 through the transmission member 72, an installation groove 422 is formed in the upper end of the support 42 and penetrates through the lower end of the support, the rotating shaft 12 is disposed in the installation groove 422 in a penetrating manner, the transmission member 72 includes a first vertical gear 721 located in the installation groove 422, a second vertical gear 722 fixed on the rotating shaft 12 and a toothed belt 723 sleeved on the first vertical gear 721 and the second vertical gear 722, the support 42 is rotatably connected to a hand wheel shaft 724, one end of the hand wheel shaft 724 is located in the installation groove 422 and the second vertical gear 722 is fixed on the hand wheel shaft 724, the other end of the hand wheel shaft 724, and the hand wheel 71 is fixed on the hand wheel shaft 724.

Referring to fig. 5, the pillar 42 is provided with a sliding groove 423, the sliding groove 423 is located on a groove wall of the mounting groove 422, the sliding groove 423 extends along a height direction of the pillar 42, a guide block 732 is arranged in the sliding groove 423, a gear shaft 733 is rotatably connected to the guide block 732, an eccentric gear 731 engaged with the first vertical gear 721 is fixed to the gear shaft 733, the eccentric gear 731 is located above the first vertical gear 721, and a contact portion 732a is arranged at a lower end of the guide block 732.

The rotating hand wheel 71 drives the first vertical gear 721 to rotate, the second vertical gear 722 is driven to rotate under the transmission action of the toothed belt 723, the second vertical gear 722 drives the rotating shaft 12 to rotate, the second baffle plate 43 swings along with the rotating shaft, when the first vertical gear 721 rotates, the first vertical gear 721 is meshed with the eccentric gear 731, so that the eccentric gear 731 is driven to rotate, the eccentric gear 731 center has a distance difference between the gear shafts 733, so that the eccentric gear 731 can drive the guide block 732 to reciprocate along the length direction of the sliding groove 423 while rotating, when the guide block 732 moves downwards along the sliding groove 423, the abutting part 732a can abut against the connecting part 82 on the sliding part 8, so that the sliding block 81 abuts against the guide plate 9, the eccentric gear 731 cannot rotate without being subjected to sufficient external force, therefore, the relative position of the eccentric gear 731 and the first vertical gear 721 remains unchanged, that is the hand wheel 71 does not rotate, and the second baffle plate 43 can be positioned on the first baffle plate 41 and cannot swing.

The implementation principle of this application embodiment rail for building does: under a normal state, the baffle plate structure 4 is vertically arranged, the elastic positioning piece 11 tightly abuts against the connecting block 10 and the lower end groove wall of the guide groove 82a to position the baffle plate structure 4, in heavy wind and heavy rain weather, under the action of wind, the baffle plate structure 4 can swing around the hinge point of the first upright column 2 and the second upright column 3 to be obliquely arranged until the sliding block 81 abuts against the first limiting block 61 or the second limiting block 62, rainwater enters the box body 52 from the water guide hole 52a, the box body 52 can move downwards along with the continuous increase of the rainwater in the box body 52, meanwhile, the first L-shaped rod 54 and the second L-shaped rod 55 fixed on the box body 52 can also move downwards until the lower end of the first L-shaped rod 54 or the second L-shaped rod 55 is embedded into the clamping groove 81a on the upper side of the sliding block 81, so as to position the baffle plate structure 4, at the moment, the contact area between wind and the baffle plate structure 4 is reduced, and the stability of the fence is improved; after the extreme weather is over, the rainwater in the box body 52 gradually evaporates, the box body 52 gradually moves upwards, the first L-shaped rod 54 or the second L-shaped rod 55 can be separated from the clamping groove 81a, and the baffle plate structure 4 can be reset under the action of gravity.

The handwheel 71 is used for driving the first vertical gear 721 to rotate, the second vertical gear 722 is driven to rotate under the transmission action of the toothed belt 723, so that the second baffle plate 43 is driven to rotate around the rotating shaft 12, the first vertical gear 721 can drive the eccentric gear 731 to rotate so as to drive the guide block 732 to reciprocate along the sliding groove 423, when the guide block 732 moves along the sliding groove 423 towards the lower end of the strut 42, the abutting part 732a on the guide block 732 can extend out of the mounting groove 422 and abut against the connecting part 82, so that the sliding block 81 is pressed in the strip-shaped sliding groove 423, namely, the baffle plate structure 4 is positioned, and a worker can take a rain shelter under the second baffle plate 43 to take a rest and the like.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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

1. A fence for building, its characterized in that: including base (1), be fixed with vertical first stand (2) and second stand (3) side by side the interval on base (1), first stand (2) with it has baffle structure (4) to articulate between second stand (3), baffle structure (4) have the first state of vertical setting and around pin joint swing to the second state that the slope set up under the exogenic action, be equipped with rainwater collecting box (5) on base (1) and be used for injecing locating part (6) of baffle structure (4) swing range, rainwater collecting box (5) can be fixed under the rainwater action of gravity and be in the second state baffle structure (4).

2. A fence for construction as defined in claim 1, wherein: baffle structure (4) include first baffle (41) and second baffle (43), first baffle (41) articulate on first stand (2) and second stand (3), the lower extreme of second baffle (43) with the upper end of first baffle (41) is articulated mutually, first baffle (41) are connected with control assembly (7), control assembly (7) can drive second baffle (43) around with the pin joint swing between first baffle (41) and be in the location is in the second state behind second baffle (43) swing baffle structure (4).

3. A fence for construction as claimed in claim 2, wherein: the limiting part (6) comprises a first limiting block (61) and a second limiting block (62) which are fixed on the upper side of the base (1) at intervals side by side, the straight line formed by connecting the first limiting block (61) and the second limiting block (62) on the base (1) is perpendicular to the straight line formed by connecting the first stand column (2) and the second stand column (3) on the base (1), the baffle structure (4) is located between the first limiting block (61) and the second limiting block (62), and the first baffle (41) is connected with a sliding part (8) which can only move between the first limiting block (61) and the second limiting block (62) in a reciprocating mode and can abut against the first limiting block (61) or the second limiting block (62).

4. A fence for construction as claimed in claim 3, wherein: base (1) upside is located be fixed with deflector (9) between first stopper (61) and second stopper (62), deflector (9) upside seted up by first stopper (61) court bar that second stopper (62) extend leads to groove (91), first stopper (61) are fixed the one end that the groove (91) was led to the bar, second stopper (62) are fixed the other end that the groove (91) was led to the bar, the groove (91) is the T-shaped groove to the bar, slider (8) are including inlaying establish slider (81) in the groove (91) is led to the bar, slider (81) upside is equipped with connecting portion (82) that upwards extend, vertical guide way (82 a) have been seted up on connecting portion (82), one side lower extreme of first baffle (41) articulates there is the embedding connecting block (10) in guide way (82 a), connecting block (10) downside is fixed with elasticity setting element (11), elasticity setting element (11) when baffle structure (4) are in the first state with guide way (82 a) lower extreme butt joint.

5. A fence for construction as claimed in claim 4, wherein: the rainwater collection box (5) comprises a bracket (51) fixed on the upper side of the base (1) and a box body (52) used for collecting rainwater, a plurality of elastic supporting pieces (53) are fixed on the bracket (51), the elastic supporting pieces (53) are abutted to the lower side of the box body (52), a plurality of water guide holes (52 a) communicated with the inside of the box body (52) are formed in the upper side of the box body (52), a first L-shaped rod (54) and a second L-shaped rod (55) are fixed on the side wall of the box body (52), the first L-shaped rod (54) and the second L-shaped rod (55) are located right above a strip-shaped through groove (91) of the guide plate (9) and are arranged in the strip-shaped through groove (91) at intervals in the length direction, the first L-shaped rod (54) is located at a position close to the first limiting block (61), the second L-shaped rod (55) is located at a position close to the second limiting block (62), and the lower end (81) for the first L-shaped rod (54) or the second L-shaped rod (55) to be embedded into the second limiting block (81) is formed in the upper side of the sliding block (81).

6. A fence for construction as claimed in claim 5, wherein: the box body (52) is located under the first baffle (41), an arc-shaped water collecting tank (52 b) is formed in the upper side of the box body (52), and the water guide holes (52 a) are located in the water collecting tank (52 b).

7. A fence for construction as claimed in claim 5, wherein: holding tank (51 a) that supplies box (52) embedding is seted up to bracket (51) upside, and a plurality of elastic support piece (53) all fix holding tank (51 a) tank bottom, the lateral wall of box (52) with the cell wall looks butt of holding tank (51 a), box (52) upside is higher than bracket (51) upside.

8. A fence for construction as claimed in claim 3, wherein: the two opposite sides of the first baffle (41) are respectively fixed with a strut (42), the strut (42) extends along the height direction of the first baffle (41), one of the struts (42) is hinged to the first upright post (2), the other strut (42) is hinged to the second upright post (3), the first baffle (41) extends towards the second upright post (3) from the first upright post (2), the upper ends of the two struts (42) are higher than the upper end of the first baffle (41), the lower end of the second baffle (43) is located between the two struts (42) and is fixed with a rotating shaft (12) extending along the length direction of the first baffle (41), the end part of the rotating shaft (12) is rotatably connected to the strut (42), the control assembly (7) comprises a hand wheel (71) rotatably connected to the side wall of the strut (42), a transmission piece (72) used for connecting the hand wheel (71) and the rotating shaft (12), and a second baffle (43) can swing the second baffle (43) to tightly support the base (8) on the base (1).

9. A fence for construction as defined in claim 8 wherein: the outer side wall of the support post (42) is provided with a groove (421) for placing a hand wheel (71), the upper end of the support post (42) is provided with a mounting groove (422) penetrating through the lower end, the rotating shaft (12) penetrates through the mounting groove (422), the transmission piece (72) comprises a first vertical gear (721) positioned in the mounting groove (422), a second vertical gear (722) fixed on the rotating shaft (12) and a toothed belt (723) sleeved on the first vertical gear (721) and the second vertical gear (722), the support post (42) is further rotatably connected with a hand wheel shaft (724), one end of the hand wheel shaft (724) is positioned in the mounting groove (422), the first vertical gear (721) is fixed on the hand wheel shaft (724), the other end of the hand wheel shaft (724) is positioned in the groove (421), and the hand wheel (71) is fixed on the hand wheel shaft (724).

10. A construction fence according to claim 9 wherein: the strut (42) is located the mounting groove (422) cell wall has still seted up spout (423), spout (423) extend along the direction of height of strut (42), abutment piece (73) include eccentric gear (731), be located guide block (732) in spout (423) and rotate and connect in gear shaft (733) on guide block (732), gear shaft (733) with eccentric gear (731) eccentric position links to each other, eccentric gear (731) are located vertical gear (721) top and with vertical gear (721) mesh mutually, guide block (732) lower extreme be equipped with can with butt joint portion (732 a) of slider (8).