CN211819195U - Platform ladder - Google Patents
Platform ladder Download PDFInfo
- Publication number
- CN211819195U CN211819195U CN202020067008.0U CN202020067008U CN211819195U CN 211819195 U CN211819195 U CN 211819195U CN 202020067008 U CN202020067008 U CN 202020067008U CN 211819195 U CN211819195 U CN 211819195U
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- Prior art keywords
- ladder
- bolt
- supporting legs
- adjusting device
- platform
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000008093 supporting effect Effects 0.000 claims abstract description 67
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 description 4
- 241000282326 Felis catus Species 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a platform ladder, including the ladder body, be equipped with supporting legs, bolt device, first adjusting device and second adjusting device on the ladder body, supporting legs and first adjusting device transmission link to each other, the supporting legs rotates the lateral part of establishing at the ladder body through first adjusting device, bolt device and second adjusting device transmission link to each other, it is fixed through bolt device after the supporting legs expandes or draws in the back, bolt device passes through the second adjusting device and adjusts. The utility model discloses a platform ladder stability is good, expandes or draws in the convenience. The utility model discloses be applied to instrument apparatus field.
Description
Technical Field
The utility model relates to an instrument field, concretely relates to platform ladder.
Background
The ladder is a common apparatus in life or work, and particularly when the ladder is used in a factory, the requirement on the stability of the ladder is high, and the ladder is required to be conveniently unfolded or folded.
Patent document No. CN203321303U discloses a self-adaptation ladder, the ladder is equipped with the ladder body, and the ladder body includes the side that two montants are constituteed, install a plurality of horizontal pole between two montants, the tip is equipped with the supporting seat with ground contact under the ladder body, supporting seat and the horizontal pole swing joint of lower part, the horizontal pole of lower part is equipped with fixedly ladder body rotation angle's locking device, supporting seat lower part fixed mounting has universal supporting legs, universal supporting legs supports in subaerial.
The adaptive ladder stability in the above-mentioned patent document is not very good.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a platform ladder, stability is good, expandes or draws in the convenience.
In order to achieve the purpose, the utility model provides a platform ladder, including the ladder body, be equipped with supporting legs, bolt device, first adjusting device and second adjusting device on the ladder body, supporting legs and first adjusting device transmission link to each other, the supporting legs rotates the lateral part of establishing at the ladder body through first adjusting device, bolt device and second adjusting device transmission link to each other, the supporting legs expandes the back or draws in the back in and fix through bolt device, bolt device passes through the second adjusting device and adjusts.
In a further improvement, the number of the supporting legs is two, and the two supporting legs are respectively rotatably arranged on the side part of the ladder body through the first adjusting device;
the first adjusting device comprises a disc and a hinge, the disc is rotatably arranged on the ladder body, the hinge is wound on the disc, the tail end of the hinge forms two branches, and the two branches are respectively connected with the two supporting legs. The hinge can be retracted and extended by rotating the disc, and when the hinge is retracted, the supporting legs can be lifted through the hinge, so that the supporting legs are folded; after the fixing effect of the bolt device on the supporting legs is removed, when the hinge is released, the supporting legs can be placed down under the action of self gravity, so that the supporting legs can be unfolded. Preferably, a handle for rotation can be arranged on the disc.
Further improved, the disc is located above the two supporting legs, a fixing hole is formed in the lower portion of the disc, and the hinge penetrates through the fixing hole. The hinge can receive and release in the fixed orifices again, and the fixed orifices can carry out the activity to the hinge and fix, can prevent that the hinge from knoing or twining on the ladder body.
Further improved, second adjusting device includes dwang and link, the middle part of dwang is rotated and is connected on terraced body, the link rotates with the first end of dwang and links to each other, the bolt device is established on the link. The connecting frame on the first end of the rotating rod can drive the bolt device to fix the supporting leg by rotating the second end of the rotating rod.
Further improved, still be equipped with the gag lever post on the ladder body, the gag lever post is relative with the second end of dwang in order to be used for spacing the dwang. Specifically, the dwang uses its middle part to rotate in vertical plane as the center, and the gag lever post is located the below of the second end of dwang, and the gag lever post can prevent that the second end of dwang from excessively swinging downwards to can prevent that the first end of dwang from excessively swinging upwards.
In a further improvement, the second end of the rotating rod is provided with a handle, and the rotation of the second end of the rotating rod can be operated through the handle.
In a further improvement, the bolt device comprises a first bolt, a second bolt and a bolt hole; specifically, the first bolt is close to the inboard setting of terraced body, and the second bolt is close to the outside setting of terraced body.
The first bolt and the second bolt are arranged on the second adjusting device, the bolt holes are formed in the supporting legs, and the first bolt or the second bolt is alternately inserted into the bolt holes;
when the first bolt is inserted into the bolt hole, the supporting legs are unfolded, and when the second bolt is inserted into the bolt hole, the supporting legs are folded. The utility model discloses can also adorn first bolt and second bolt on the supporting legs, and establish the bolt hole on second adjusting device's link.
Further improved, the top of ladder body is equipped with the platform, the side of ladder body is equipped with the cat ladder, the top and the platform butt joint of cat ladder. The staff can climb to the platform through the cat ladder and go to work.
Further improved, the bottom of ladder body is equipped with a plurality of wheels that remove, through removing the removal ladder body that the wheel can be convenient.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect:
when in use, the supporting legs of the platform ladder are unfolded through the first adjusting device, the bolt device is adjusted through the second adjusting device, the supporting legs are fixed through the bolt device, and the supporting legs realize the effect of auxiliary support on the ladder body, so that the ladder body can be prevented from collapsing; when not needing practical platform, can draw in the supporting legs in through first adjusting device, adjust bolt device through the second adjusting device, it is fixed with the supporting legs through bolt device, can make the supporting legs draw in, the platform ladder of being convenient for accomodate, can not occupation space. The utility model discloses a stability is good when platform ladder uses, is convenient for accomodate, and it is all very convenient, simple structure to expand and draw in.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a perspective view of a platform ladder;
figure 2 is a side view of a platform ladder.
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 belong to the protection scope of the present invention.
It should be noted that all the directional indicators in the embodiments of the present invention, such as upper, lower, left, right, front and rear … …, are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Referring to fig. 1 to 2, a platform ladder comprises a ladder body 1, wherein the ladder body 1 is provided with supporting legs 2, a bolt device 3, a first adjusting device 4 and a second adjusting device 5, the supporting legs 2 are in transmission connection with the first adjusting device 4, the supporting legs 2 are rotatably arranged on the side portion of the ladder body 1 through the first adjusting device 4, the bolt device 3 is in transmission connection with the second adjusting device 5, the supporting legs 2 are fixed through the bolt device 3 after being unfolded or folded, and the bolt device 3 is adjusted through the second adjusting device 5.
When the platform ladder is used, the supporting legs 2 are unfolded through the first adjusting device 4, the bolt devices 3 are adjusted through the second adjusting devices 5, the supporting legs 2 are fixed through the bolt devices 3, the supporting legs 2 achieve the auxiliary supporting effect on the ladder body 1, and the ladder body 1 can be prevented from collapsing; when not needing practical platform, can draw in supporting legs 2 through first adjusting device 4, adjust bolt device 3 through second adjusting device 5, it is fixed with supporting legs 2 through bolt device 3, can make supporting legs 2 draw in, the platform ladder of being convenient for accomodate, can not occupation space. The platform ladder of this embodiment stability is good when using, is convenient for accomodate, and it is all very convenient to expand and draw in, simple structure.
In this embodiment, as a further improvement of the above technical solution, the number of the supporting legs 2 is two, and the two supporting legs 2 are respectively rotatably disposed on the side portions of the ladder body 1 through the first adjusting device 4;
the first adjusting device 4 comprises a disc 41 and a hinge 42, the disc 41 is rotatably arranged on the ladder body 1, the hinge 42 is arranged on the disc 41 in a winding manner, and the tail end of the hinge 42 forms two branches which are respectively connected with the two supporting legs 2. The hinge 42 can be retracted and extended by rotating the disc 41, and when the hinge 42 is retracted, the supporting leg 2 can be lifted by the hinge 42, so that the supporting leg 2 is folded; after the fixing effect of the bolt device 3 on the supporting leg 2 is removed, when the hinge 42 is released, the supporting leg 2 can be placed under the action of self gravity, so that the supporting leg 2 can be unfolded. Preferably, a handle for rotation may be provided on the disc 41.
In this embodiment, as a further improvement of the above technical solution, the disc 41 is located above the two supporting legs 2, a fixing hole 43 is arranged below the disc 41, and the hinge 42 is inserted into the fixing hole 43. The hinge 42 can be accommodated in the fixing hole 43, and the fixing hole 43 can movably fix the hinge 42, thereby preventing the hinge 42 from being knotted or wound on the ladder body 1.
In this embodiment, as a further improvement of the above technical solution, the second adjusting device 5 includes a rotating rod 51 and a connecting frame 52, the middle portion of the rotating rod 51 is rotatably connected to the ladder body 1, the connecting frame 52 is rotatably connected to the first end 511 of the rotating rod 51, and the latch device 3 is disposed on the connecting frame 52. The connecting frame 52 at the first end 511 of the rotating rod 51 can drive the latch mechanism 3 to fix the supporting foot 2 by rotating the second end 512 of the rotating rod 51.
In this embodiment, as a further improvement of the above technical solution, the ladder body 1 is further provided with a limiting rod 53, and the limiting rod is opposite to the second end 512 of the rotating rod 51 so as to limit the rotating rod 51. Specifically, the rotating rod 51 rotates in the vertical plane with the middle portion thereof as the center, the limiting rod 53 is located below the second end 512 of the rotating rod 51, and the limiting rod 53 can prevent the second end 512 of the rotating rod 51 from swinging too downward, so that the first end 511 of the rotating rod 51 can be prevented from swinging too upward.
In this embodiment, as a further improvement of the above technical solution, a handle 54 is disposed at the second end 512 of the rotating rod 51, and the rotation of the second end 512 of the rotating rod 51 can be operated by the handle 54.
In this embodiment, as a further improvement of the above technical solution, the latch device 3 includes a first latch 31, a second latch 32, and a latch hole 33; specifically, the first bolt 31 is disposed near the inner side of the ladder body 1, and the second bolt 32 is disposed near the outer side of the ladder body 1.
The first bolt 31 and the second bolt 32 are arranged on the second adjusting device 5, the bolt hole 33 is arranged on the supporting leg 2, and the first bolt 31 or the second bolt 32 is alternately inserted into the bolt hole 33;
when the first bolt 31 is inserted into the bolt hole 33, the supporting leg 2 is unfolded, and when the second bolt 32 is inserted into the bolt hole 33, the supporting leg 2 is folded. This embodiment also allows the first and second pins 31 and 32 to be mounted on the support foot 2 and the pin hole 33 to be provided on the connecting frame 52 of the second adjusting device 5.
In this embodiment, as a further improvement of the above technical scheme, the top end of the ladder body 1 is provided with a platform 5, the side surface of the ladder body 1 is provided with a ladder stand 6, and the top end of the ladder stand 6 is butted with the platform 5. The worker can climb up the platform 5 to work through the ladder 6.
In this embodiment, as a further improvement of the above technical solution, the bottom end of the ladder body 1 is provided with a plurality of moving wheels 7, and the ladder body 1 can be conveniently moved by the moving wheels 7.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a platform ladder, a serial communication port, includes the ladder body, be equipped with supporting legs, bolt device, first adjusting device and second adjusting device on the ladder body, supporting legs and first adjusting device transmission link to each other, the supporting legs rotates the lateral part of establishing at the ladder body through first adjusting device, bolt device and second adjusting device transmission link to each other, the supporting legs is fixed through bolt device after expanding or drawing in, bolt device passes through the second adjusting device and adjusts.
2. The platform ladder according to claim 1, wherein the number of the supporting legs is two, and the two supporting legs are rotatably arranged on the side portions of the ladder body through the first adjusting devices respectively;
the first adjusting device comprises a disc and a hinge, the disc is rotatably arranged on the ladder body, the hinge is wound on the disc, the tail end of the hinge forms two branches, and the two branches are respectively connected with the two supporting legs.
3. The platform ladder of claim 2, wherein the disk is positioned above the two support legs, and wherein a fixing hole is formed below the disk, and the hinge is inserted into the fixing hole.
4. The platform ladder of claim 1, wherein the second adjustment mechanism includes a rotation lever and a connection bracket, the middle portion of the rotation lever is rotatably connected to the ladder body, the connection bracket is rotatably connected to the first end of the rotation lever, and the latch mechanism is disposed on the connection bracket.
5. The platform ladder of claim 4, further comprising a stop bar disposed on the ladder body, the stop bar being opposite the second end of the turning bar for limiting the turning bar.
6. The platform ladder of claim 4, wherein the second end of the turning bar is provided with a handle.
7. The platform ladder of claim 1, wherein the latch arrangement includes a first latch, a second latch, and a latch aperture;
the first bolt and the second bolt are arranged on the second adjusting device, the bolt holes are formed in the supporting legs, and the first bolt or the second bolt is alternately inserted into the bolt holes;
when the first bolt is inserted into the bolt hole, the supporting legs are unfolded, and when the second bolt is inserted into the bolt hole, the supporting legs are folded.
8. The platform ladder of claim 1, wherein a platform is provided at the top end of the ladder body, and a ladder stand is provided at the side of the ladder body, and the top end of the ladder stand is butted against the platform.
9. The platform ladder of claim 1, wherein the bottom end of the ladder body is provided with a plurality of moving wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020067008.0U CN211819195U (en) | 2020-01-13 | 2020-01-13 | Platform ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020067008.0U CN211819195U (en) | 2020-01-13 | 2020-01-13 | Platform ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211819195U true CN211819195U (en) | 2020-10-30 |
Family
ID=73049377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020067008.0U Expired - Fee Related CN211819195U (en) | 2020-01-13 | 2020-01-13 | Platform ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211819195U (en) |
-
2020
- 2020-01-13 CN CN202020067008.0U patent/CN211819195U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220422 Address after: No.18, Yingxia Road, Changsha Economic and Technological Development Zone, Hunan 410000 Patentee after: GAC FIAT CHRYSLER AUTOMOBILES Co.,Ltd. Address before: No. 66, Donglong Avenue, Hualong Town, Panyu District, Guangzhou, Guangdong 511434 Patentee before: GUANGZHOU BRANCH OF GAC FIAT CHRYSLER AUTOMOBILES Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |