CN218235019U

CN218235019U - Municipal construction folding ladder

Info

Publication number: CN218235019U
Application number: CN202221908088.3U
Authority: CN
Inventors: 吴静; 叶军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-01-06
Anticipated expiration: 2032-07-22

Abstract

The utility model belongs to the technical field of folding ladder equipment, and a municipal construction folding ladder is disclosed, including square board, the equal fixedly connected with fixed axle in both ends around the square board left and right sides, front end and rear end the surface of fixed axle has cup jointed first connecting block and second connecting block in the past backward activity in proper order, both ends all articulate with the second connecting block bottom around first connecting block have the supporting shoe. The utility model discloses a set up the cooperation of supporting shoe, fixture block, circle piece and arc axle isotructure, rotatory supporting shoe makes its bottom and ground contact, rotates the fixture block afterwards to block the arc axle in the inside of front end supporting shoe through the gag lever post, and then the supporting shoe can not take place the extrusion when making to receive up first connecting block and second connecting block, when two supporting shoes are fixed mutually, will reach the effect that increases first connecting block and second connecting block overall stability to a certain extent this moment.

Description

Folding ladder for municipal construction

Technical Field

The utility model belongs to the technical field of folding ladder equipment, specifically a municipal construction folding ladder.

Background

A folding ladder is an article for civil engineering, assists workers to fall down on a building site, is like a movable stair, is opened when being used, is folded when being used up, and is convenient to transfer.

At present, constructor is when carrying out the operation to municipal construction place, because the height of some operations is higher, for this reason municipal construction personnel often need use the folding ladder equipment, and then so that the construction operation uses, however current municipal construction folding ladder is in the in-service use in-process, expand and need the companion to hold up the folding ladder on its next door for the manual work simultaneously, guarantee the stability of folding ladder, constructor scrambles the folding ladder again afterwards to its top and carries out the construction operation, if do not have personnel to hold up the folding ladder, at this moment will increase certain risk, will lead to constructor to drop from the folding ladder when serious, this process is extravagant manpower in the operation process and leads to inefficiency, and current folding ladder stability is relatively poor, consequently, need improve it.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides in the above-mentioned background art, the utility model provides a municipal construction folding ladder has the advantage that increases folding ladder stability.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a municipal construction folding ladder, includes square, the equal fixedly connected with fixed axle in both ends around the square left and right sides, front end and rear end the surface of fixed axle is in the past to the activity of back activity cup jointed first connecting block and second connecting block in proper order, both ends all articulate around first connecting block and second connecting block bottom have the supporting shoe, the rear end the left side swing joint of supporting shoe has the fixture block, the front end the left side fixedly connected with circle piece of supporting shoe, the rear end the equal fixedly connected with arc axis in the left and right sides at the supporting shoe back, hollow groove has been seted up in the left side of arc axis, the front end the circular slot has all been seted up to the positive left and right sides of supporting shoe, the front end the left side activity joint of supporting shoe has the gag lever post, the right-hand member of gag lever post runs through supporting shoe and circular slot in proper order.

Among the above-mentioned technical scheme, it is preferred, the middle part bearing of square board bottom is connected with the threaded rod, threaded rod surface has first removal axle and second removal axle to having cup jointed in proper order screw down from last, first removal axle and second remove the axle about both ends from last to all articulating in proper order down have first movable block and second movable block, the equal fixedly connected with spring telescopic cylinder in the left and right sides of first removal axle bottom, the bottom of spring telescopic cylinder and the top fixed connection of second removal axle, the bottom fixedly connected with triangle-shaped lug of supporting shoe, two the equal fixedly connected with rectangular plate in the inner of first connecting block and second connecting block.

Among the above-mentioned technical scheme, preferred, the appearance of first movable block and second movable block all presents the arc, the length distance that the second movable block level was expanded is greater than the length distance that first movable block level was expanded and the angle that opens and shuts of two articulated departments of second movable block is greater than the angle that opens and shuts of two articulated departments of first movable block.

Among the above-mentioned technical scheme, preferred, the appearance of arc axle is "C" style of calligraphy, the diameter size of arc axle front end and the diameter size looks adaptation joint of circular slot inner chamber, and the surface of arc axle and the inner wall of circular slot are all smooth.

In the above technical solution, preferably, the shape of the triangular bump is an inverted triangle, and the length and the volume of the triangular bump are the same and are uniformly distributed at the bottom of the supporting block.

In the above technical scheme, preferably, the inner cavity of the hollow groove is circular, and the size of the inner cavity of the hollow groove is larger than the size of the diameter of the right end of the limiting rod.

In the above technical scheme, preferably, a groove is formed in the fixture block, and the bottom of the groove is smaller than the outer diameter of the round block and is made of rubber.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the supporting shoe, the fixture block, the cooperation of circle piece and arc axle isotructure, rotatory supporting shoe makes its bottom and ground contact, rotate the fixture block afterwards, the rotation of fixture block will make the recess card of its front end on the surface of circle piece, the circle piece will block the inside at the fixture block this moment, and played a fixed connection's effect to two supporting shoes simultaneously, when packing up first connecting block and second connecting block, at this moment, it makes its bottom drive supporting shoe to take place to rotate the arc axle, make the top card of arc axle in the inner wall of circular slot afterwards, and through the inside of gag lever post with the arc axle card at the front end supporting shoe, and then make when packing up first connecting block and second connecting block the supporting shoe can not take place the extrusion, when two supporting shoes are fixed mutually, the effect that increases first connecting block and second connecting block overall stability will have been reached to a certain extent to this moment.

2. The utility model discloses a set up the threaded rod, first removal axle, the cooperation of first movable block and second movable block isotructure, the threaded rod rotates, the threaded rod this moment will drive first removal axle and second removal axle and take place the activity, and first removal axle and second removal axle also will take place opposite or back of the body motion through first movable block and second movable block and then drive first connecting block and second connecting block simultaneously, and because the design of the flexible section of thick bamboo of spring, will remove the effect that the axle played an increase stability to first removal axle and second, make its whole more stable when the motion, cooperation through a series of structures, reached can be according to constructor self or the factor in construction place, thereby adjust the effect of the angle that opens and shuts of folding ladder.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the back of the present invention;

fig. 3 is a schematic view of the structural matching relationship between the threaded rod and the second movable block of the present invention;

FIG. 4 is a schematic view of the structural fit relationship between the supporting block and the arc shaft of the present invention;

fig. 5 is a schematic view of the structure matching relationship between the triangular protrusion and the supporting block of the present invention.

In the figure: 1. a square plate; 2. a fixed shaft; 3. a first connection block; 4. a second connecting block; 5. a support block; 6. a clamping block; 7. a round block; 8. an arc-shaped shaft; 9. a hollow groove; 10. a circular groove; 11. a limiting rod; 12. a threaded rod; 13. a first moving axis; 14. a second moving axis; 15. a first movable block; 16. a second movable block; 17. a spring telescopic cylinder; 18. a triangular bump; 19. a rectangular plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in fig. 1 to 5, the utility model provides a municipal construction folding ladder, including square 1, the equal fixedly connected with fixed axle 2 in both ends around the square 1 left and right sides, the surface of front end and rear end fixed axle 2 has in the past moved about in proper order and has cup jointed first connecting block 3 and second connecting block 4, both ends all articulate around first connecting block 3 and the 4 bottom of second connecting block has supporting shoe 5, the left side swing joint of rear end supporting shoe 5 has fixture block 6, the left side fixedly connected with round block 7 of front end supporting shoe 5, the equal fixedly connected with arc shaft 8 in the left and right sides at the 5 back of rear end supporting shoe, hollow groove 9 has been seted up in the left side of arc shaft 8, round groove 10 has all been seted up to the positive left and right sides of front end supporting shoe 5, the left side activity joint of front end supporting shoe 5 has gag lever 11, the right-hand member of gag lever 11 runs through supporting shoe 5 and round groove 10 in proper order.

As shown in fig. 1, 3 and 5, a threaded rod 12 is connected to a middle bearing at the bottom end of a square plate 1, a first moving shaft 13 and a second moving shaft 14 are sequentially in threaded sleeve connection with the outer surface of the threaded rod 12 from top to bottom, a first moving block 15 and a second moving block 16 are sequentially hinged to the left end and the right end of the first moving shaft 13 and the second moving shaft 14 from top to bottom, spring telescopic cylinders 17 are fixedly connected to the left side and the right side of the bottom of the first moving shaft 13, the bottom of each spring telescopic cylinder 17 is fixedly connected to the top of the second moving shaft 14, triangular convex blocks 18 are fixedly connected to the bottom of a supporting block 5, and rectangular plates 19 are fixedly connected to the inner ends of two first connecting blocks 3 and two second connecting blocks 4;

adopt above-mentioned scheme: through threaded rod 12, first removal axle 13, the cooperation of second removal axle 14 and first movable block 15 isotructure, when rotating threaded rod 12, threaded rod 12 will drive first removal axle 13 and the same upward movement of second removal axle 14 this moment, meanwhile first removal axle 13 and the second remove both ends also will drive first connecting block 3 and the second connecting block 4 through first movable block 15 and second movable block 16 respectively about axle 14 and take place the activity, because the positive and negative rotation of fixed axle 2, will control the size range between first connecting block 3 and the second connecting block 4, and then can be according to the needs in construction site and constructor's self demand to folding ladder open and close the angle and adjust, thereby constructor's use has been facilitated.

As shown in fig. 3, the first movable blocks 15 and the second movable blocks 16 are arc-shaped, the length distance of the horizontal expansion of the second movable blocks 16 is greater than the length distance of the horizontal expansion of the first movable blocks 15, and the opening and closing angle of the hinge of the two second movable blocks 16 is greater than the opening and closing angle of the hinge of the two first movable blocks 15;

adopt above-mentioned scheme: through the design of first movable block 15 and second movable block 16, when first movable block 15 and second movable block 16 drive first connecting block 3 and second connecting block 4 and take place the back-to-back motion, because around the both ends second movable block 16 articulated department open and shut the angle when being greater than the angle that opens and shuts of first movable block 15 articulated department, when the angle that opens and shuts of first movable block 15 articulated department was one hundred eighty degrees this moment, the second movable block 16 that is located under it also can take place the activity thereupon, avoided opening and shutting the angle undersize and then restricted first connecting block 3 and second connecting block 4 because of the articulated department of second movable block 16 and opened and shut the angle.

As shown in fig. 4, the arc-shaped shaft 8 is C-shaped, the diameter of the front end of the arc-shaped shaft 8 is matched and clamped with the diameter of the inner cavity of the circular groove 10, and the outer surface of the arc-shaped shaft 8 and the inner wall of the circular groove 10 are smooth;

the scheme is adopted: through the design of arc axle 8 and circular slot 10, when pulling arc axle 8 makes its top card when the inner wall of circular slot 10, will play a fixed connection's effect to arc axle 8 and supporting shoe 5 through gag lever post 11 this moment, and then prevented that supporting shoe 5 of its bottom from contacting the extrusion when receiving first connecting block 3 and second connecting block 4.

As shown in fig. 5, the triangular protrusion 18 is in an inverted triangle shape, and the length and volume of the triangular protrusion 18 are the same and are uniformly distributed at the bottom of the supporting block 5;

adopt above-mentioned scheme: through the design of triangle lug 18, when triangle lug 18 and ground contact, because the design of triangle lug 18 lug formula this moment, will increase the frictional force of triangle lug 18 and ground, and then improved first connecting block 3 and the holistic stability of second connecting block 4 opening during operation.

As shown in fig. 4, the inner cavity of the hollow groove 9 is circular, and the size of the inner cavity of the hollow groove 9 is larger than the size of the diameter of the right end of the limiting rod 11;

the scheme is adopted: through hollow groove 9's design, when its card was in circular slot 10's inside, constructor will loop through supporting shoe 5 and hollow groove 9 and then go into to supporting shoe 5's inside to gag lever post 11 this moment from supporting shoe 5's left side, and gag lever post 11 will fix hollow groove 9 in supporting shoe 5's inside this moment, and then so that subsequent regulation cooperation is used.

As shown in fig. 4, a groove is formed in the fixture block 6, and the bottom of the groove is smaller than the outer diameter of the round block 7 and made of rubber;

adopt above-mentioned scheme: through the design of the 6 recesses of fixture block, when rotating fixture block 6 and making it be located the top of disk 7, press fixture block 6 downwards this moment, moving down of fixture block 6 will make disk 7 pass through the bottom of 6 recesses of fixture block and then move to the inside on 6 recess tops of fixture block, fixture block 6 will be fixed mutually with disk 7 this moment, and make two supporting shoe 5 looks fixed connection simultaneously, and then avoided two supporting shoe 5 to take place the phenomenon of rocking when contacting with ground, the stability when having improved first connecting block 3 and second connecting block 4 and ground contact.

The utility model discloses a theory of operation and use flow:

firstly, the opening and closing angle of the folding ladder is adjusted according to the requirements of a construction site and constructors, so that when subsequent construction operation is carried out, the threaded rod 12 is rotated, the first moving shaft 13 and the second moving shaft 14 are driven to move up and down by the rotation of the threaded rod 12, at the moment, the first moving shaft 13 and the second moving shaft 14 also drive the first connecting block 3 and the second connecting block 4 to move in the opposite direction or in the opposite direction through the first movable block 15 and the second movable block 16, and at the moment, the integral opening and closing angle of the folding ladder can be adjusted;

then, the supporting blocks 5 are rotated to enable the bottoms of the supporting blocks to be in contact with the ground, then the clamping blocks 6 are rotated to enable the grooves in the front ends of the clamping blocks to be clamped on the surfaces of the round blocks 7, at the moment, a fixed connection effect is achieved on the two supporting blocks 5, the stability of the first connecting block 3 and the second connecting block 4 is improved to a certain extent, and meanwhile, the friction force between the triangular lugs 18 at the bottoms of the supporting blocks 5 and the ground is improved, so that the stability is better;

finally, after the operation, when drawing in first connecting block 3 and second connecting block 4, for avoiding the supporting shoe 5 of its bottom to contact and take place the extrusion, pulling arc axle 8 makes it drive rear end supporting shoe 5 together and takes place the activity afterwards, and rotate front end supporting shoe 5 simultaneously, make the front end of arc axle 8 can block in the inside of circular slot 10, and insert gag lever post 11 in the hollow groove 9 of 8 front ends of arc axle, will remove the laminating state of two supporting shoes 5 the inner this moment, and fix it, and then be convenient for constructor's drawing in and take.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a municipal construction folding ladder, includes square board (1), its characterized in that: the square plate is characterized in that a fixed shaft (2) is fixedly connected to the front end and the rear end of the left side and the rear end of the right side of the square plate (1), a first connecting block (3) and a second connecting block (4) are sequentially and movably sleeved on the outer surface of the fixed shaft (2) from front to back, a supporting block (5) is hinged to the front end and the rear end of the bottom end of the first connecting block (3) and the second connecting block (4), a clamping block (6) is movably connected to the left side of the supporting block (5), a round groove (10) is formed in the front end of the supporting block (5), a limiting rod (11) is movably clamped on the left side of the supporting block (5) in a clamping mode, a hollow groove (9) is formed in the left side of the arc shaft (8), a front end of the left side and the right side of the supporting block (5) are provided with the round groove (10), and the right end of the limiting rod (11) sequentially penetrates through the supporting block (5) and the round groove (10).

2. The municipal construction folding ladder of claim 1, wherein: the middle part bearing of square board (1) bottom is connected with threaded rod (12), threaded rod (12) surface from last to down in proper order the screw thread cup joint first removal axle (13) and second removal axle (14), first removal axle (13) and second removal axle (14) both ends about from last to all articulating in proper order down have first movable block (15) and second movable block (16), the equal fixedly connected with spring telescopic cylinder (17) of the left and right sides of first removal axle (13) bottom, the top fixed connection of axle (14) is removed with the second in the bottom of spring telescopic cylinder (17), the bottom fixedly connected with triangle lug (18) of supporting shoe (5), two the equal fixedly connected with rectangular plate (19) in the inner of first connecting block (3) and second connecting block (4).

3. The municipal construction folding ladder of claim 2, wherein: the appearance of first movable block (15) and second movable block (16) all presents the arc, the length distance that second movable block (16) level was expanded is greater than the length distance that first movable block (15) level was expanded and the angle that opens and shuts of two articulated departments of second movable block (16) is greater than the angle that opens and shuts of two articulated departments of first movable block (15).

4. The municipal construction folding ladder of claim 1, wherein: the appearance of arc axle (8) is "C" style of calligraphy, the diameter size of arc axle (8) front end and the diameter size looks adaptation joint of circular slot (10) inner chamber, and the surface of arc axle (8) and the inner wall of circular slot (10) are all smooth.

5. The municipal construction folding ladder of claim 2, wherein: the shape of the triangular lug (18) is in an inverted triangle shape, and the length and the volume of the triangular lug (18) are the same and are uniformly distributed at the bottom of the supporting block (5).

6. The municipal construction folding ladder of claim 1, wherein: the inner cavity of the hollow groove (9) is circular, and the size of the inner cavity of the hollow groove (9) is larger than that of the diameter of the right end of the limiting rod (11).

7. The municipal construction folding ladder of claim 1, wherein: the fixture block (6) is internally provided with a groove, and the size of the bottom of the groove is smaller than the outer diameter value of the round block (7) and is made of rubber.