CN217327150U

CN217327150U - Portable extension ladder for ship

Info

Publication number: CN217327150U
Application number: CN202220728829.3U
Authority: CN
Inventors: 郑卫敏; 陈存裕
Original assignee: Zhejiang Hexing Shipbuilding Co ltd
Current assignee: Zhejiang Hexing Shipbuilding Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-08-30
Anticipated expiration: 2032-03-30

Abstract

The utility model relates to an extension ladder field discloses marine portable extension ladder, including the main terraced body, the equal fixedly connected with semicircle in rear both sides of the main terraced body rotates the seat, the central point department of putting of semicircle rotation seat all rotates and is connected with the dwang, the equal fixedly connected with branch in outside of dwang, both sides the edge that the seat was rotated to the semicircle all uses the dwang to be provided with a plurality of locating holes as the centre of a circle, one side that branch is close to the dwang all is provided with the through-hole, and interval between this through-hole and the dwang equals with the interval between locating hole and the dwang. The utility model discloses in, rotate the relation of connecting through the semicircle between seat and the branch, can the free rotation branch the position, at the during operation, rotate branch to with the corresponding position department of locating hole, reuse round pin post fixed position can form triangle-shaped pillar leg structure, have firm and anti-skidding effect concurrently, when the work is over, rotate branch to suitable position department fixed can.

Description

Portable extension ladder for ship

Technical Field

The utility model relates to an extension ladder field especially relates to marine portable extension ladder.

Background

The telescopic ladder can be stretched and shortened like a fishing rod, is very convenient to carry and store, can be placed in a household closet, a study room, a bed bottom or a trunk of an automobile, has ultra-light weight, ultra-short height, ultra-strong safety, humanized design and attractive and elegant appearance, and is sold all over the world.

The utility model discloses a portable extension ladder, which comprises a plurality of ladder pieces, wherein each ladder piece comprises two parallel hollow ladder rods and a pedal connected to the tops of the ladder rods, and the ladder rods between the adjacent ladder pieces are mutually sleeved; the base is arranged at the lower end of the lowermost ladder piece; the ladder pole in the below ladder spare is lower ladder pole, two ladder pole lower extreme all is equipped with the support spheroid down, respectively be equipped with a rotation coupling assembling with the position that two ladder poles correspond down on the base, every rotates coupling assembling and all includes two otic placodes of relative setting, and set up on the base between two otic placodes and with support spheroid assorted arc wall, lower ladder pole is located between two otic placodes and rotates with two otic placodes and be connected, but this patent still has the weak point, still needs artifical the carrying to carry when carrying on hand, still is less than a bit on stable and the anti-skidding measure when using simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a portable extension ladder for ships.

In order to achieve the above purpose, the utility model adopts the following technical scheme: marine portable extension ladder, including the main ladder body, the equal fixedly connected with semicircle rotation seat in rear both sides of the main ladder body, the central point that the semicircle rotated the seat puts the department and all rotates and is connected with the dwang, the equal fixedly connected with branch in outside of dwang, both sides the edge that the semicircle rotated the seat all uses the dwang to be provided with a plurality of locating holes as the centre of a circle, one side that branch is close to the dwang all is provided with the through-hole, and interval between this through-hole and the dwang equals with the interval between locating hole and the dwang, has all inserted a stock between the locating hole of this through-hole and relevant position, the one end that semicircle rotation seat was kept away from to branch is all rotated and is connected with anti-skidding base.

As a further description of the above technical solution:

the rear of the main ladder body is located the downside that the semicircle rotated the seat and all is provided with the notch, the equal fixedly connected with base of inner wall of notch.

As a further description of the above technical solution:

the rear side middle part of base all is provided with first magnet, the equal fixedly connected with hinge in rear side below of base.

As a further description of the above technical solution:

the hinge on the other side of the hinge is fixedly connected with a turnover seat, and the middle of the rear side of the turnover seat is provided with a second magnet.

As a further description of the above technical solution:

the second magnet is magnetically different from the first magnet.

As a further description of the above technical solution:

the bottom of the turning seat is provided with rollers.

As a further description of the above technical solution:

the inside top of the main ladder body is provided with the flexible ladder body, the both sides top of the flexible ladder body all is provided with the couple.

As a further description of the above technical solution:

the bottom both sides of the main ladder body all are provided with the rubber podotheca, the inside downside fixedly connected with of the main ladder body strengthens the support.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, rotate the relation of connecting through the semicircle between seat and the branch, can the free rotation branch the position, at the during operation, rotate branch to with the corresponding position department of locating hole, reuse round pin post fixed position can form triangle-shaped pillar leg structure, have firm and anti-skidding effect concurrently, when the work is over, rotate branch to suitable position department fixed can.

2. The utility model discloses in, all add a gyro wheel structure at main ladder body rear downside, only need put the extension ladder when carrying and drag the underground alright reach the effect that light was carried, this structure does not influence the use, will turn the seat during use and rotate corresponding with the base, and the magnetite that turns over seat and base central point and put is together fixed because of opposite sex attracts.

Drawings

Fig. 1 is a schematic perspective view of a portable extension ladder for a ship according to the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a schematic view of a hinge of the portable extension ladder for a ship according to the present invention;

fig. 4 is a front view of the portable extension ladder for ship according to the present invention.

Illustration of the drawings:

1. a main ladder body; 2. a semicircular rotating seat; 3. positioning holes; 4. rotating the rod; 5. a strut; 6. a pin; 7. an anti-slip base; 8. grooving; 9. a base; 10. a first magnet; 11. turning over the seat; 12. a second magnet; 13. a roller; 14. a hinge; 15. a telescopic ladder body; 16. a rubber foot sleeve; 17. a reinforcing bracket; 18. and (4) hanging hooks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a portable extension ladder for ships comprises a main ladder body 1, wherein semicircular rotating seats 2 are fixedly connected to two sides of the rear part of the main ladder body 1, a rotating rod 4 is rotatably connected to the central position of each semicircular rotating seat 2, supporting rods 5 are fixedly connected to the outer parts of the rotating rods 4, a plurality of positioning holes 3 are formed in the edges of the semicircular rotating seats 2 at two sides by taking the rotating rod 4 as the circle center, through holes are formed in one sides, close to the rotating rod 4, of the supporting rods 5, the distance between each through hole and the corresponding rotating rod 4 is equal to the distance between each positioning hole 3 and the corresponding rotating rod 4, a pin 6 is inserted between each through hole and the corresponding positioning hole 3, an anti-skidding base 7 is rotatably connected to one end, far away from the semicircular rotating seat 2, of each supporting rod 5, the position of the supporting rod 5 can be freely rotated through the relationship of the rotary connection between the semicircular rotating seats 2 and the supporting rods 5, and when the portable extension ladder works, the supporting rod 5 is rotated to the position corresponding to the positioning holes 3, and the pin 6 is used for fixing the position, a triangular supporting leg structure can be formed, the effects of stability and skid resistance are achieved, and the supporting rod 5 is rotated to a proper position for fixing after the work is finished.

The rear part of the main ladder body 1 is positioned at the lower side of the semicircular rotating seat 2 and is provided with a notch 8, the inner walls of the notch 8 are fixedly connected with a base 9, the middle part of the rear side of the base 9 is provided with a first magnet 10, the lower part of the rear side of the base 9 is fixedly connected with a hinge 14, the hinge at the other side of the hinge 14 is fixedly connected with a turning seat 11, the middle part of the rear side of the turning seat 11 is provided with a second magnet 12, the magnetism between the second magnet 12 and the first magnet 10 is different, the bottom end of the turning seat 11 is provided with a roller 13, a telescopic ladder body 15 is arranged above the inner part of the main ladder body 1, hooks 18 are arranged above the two sides of the telescopic ladder body 15, the two sides of the bottom end of the main ladder body 1 are provided with rubber foot sleeves 16, the inner lower side of the main ladder body 1 is fixedly connected with a reinforcing bracket 17, a roller 13 structure is added at the lower side of the rear part of the main ladder body 1, and the telescopic ladder body can be placed underground and dragged to achieve the effect of easy carrying only by placing the telescopic ladder under ground, the structure does not affect the use, when in use, the overturning seat 11 rotates to correspond to the base 9, and the overturning seat 11 and the magnet at the central position of the base 9 are fixed together due to the attraction of opposite polarities.

The working principle is as follows: all add a gyro wheel 13 structure at 1 rear downside of main ladder body, only need put the extension ladder when carrying and drag the underground alright reach the effect of light carrying, this structure does not influence the use, it is corresponding with base 9 to turn over seat 11 during the use, it inhales mutually because of opposite sex with the magnetite of base 9 central point and fixes together to turn over seat 11, rotate the relation of being connected between seat 2 and the branch 5 through the semicircle simultaneously, can freely rotate the position of branch 5, at the during operation, rotate branch 5 to the position department corresponding with locating hole 3, reuse round pin post 6 fixed position, can form triangle-shaped pillar leg structure, have firm and anti-skidding effect concurrently, when the work is ended, it can to fix to rotate suitable position department with branch 5.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Marine portable extension ladder, including main ladder body (1), its characterized in that: seat (2) is rotated to the equal fixedly connected with semicircle in rear both sides of the main ladder body (1), the central point that seat (2) was rotated to the semicircle puts the department and all rotates and is connected with dwang (4), the equal fixedly connected with branch (5) in outside of dwang (4), both sides the edge that seat (2) was rotated to the semicircle all uses dwang (4) to be provided with a plurality of locating holes (3) as the centre of a circle, one side that branch (5) are close to dwang (4) all is provided with the through-hole, and interval between this through-hole and dwang (4) and locating hole (3) and the interval between dwang (4) equal, all has inserted a stock (6) between this through-hole and relevant position's locating hole (3), the one end that semicircle rotated seat (2) was kept away from in branch (5) is all rotated and is connected with anti-skidding base (7).

2. The marine portable extension ladder of claim 1, wherein: the downside that the rear of main ladder body (1) is located semicircle rotating seat (2) all is provided with fluting (8), the equal fixedly connected with base (9) of inner wall of fluting (8).

3. The marine portable extension ladder of claim 2, wherein: the rear side middle part of base (9) all is provided with first magnet (10), equal fixedly connected with hinge (14) in rear side below of base (9).

4. The marine portable extension ladder of claim 3, wherein: the other side of the hinge (14) is hinged with a turnover seat (11), and the middle of the rear side of the turnover seat (11) is provided with a second magnet (12).

5. The marine portable extension ladder of claim 4, wherein: the second magnet (12) is magnetically different from the first magnet (10).

6. The marine portable extension ladder of claim 4, wherein: the bottom end of the turning seat (11) is provided with a roller (13).

7. The marine portable extension ladder of claim 6, wherein: the ladder is characterized in that a telescopic ladder body (15) is arranged above the inner part of the main ladder body (1), and hooks (18) are arranged above two sides of the telescopic ladder body (15).

8. The marine portable extension ladder of claim 7, wherein: the bottom both sides of the main ladder body (1) all are provided with rubber foot cover (16), the inside downside fixedly connected with of the main ladder body (1) strengthens support (17).