CN211397406U - Platform ladder - Google Patents
Platform ladder Download PDFInfo
- Publication number
- CN211397406U CN211397406U CN201921100752.XU CN201921100752U CN211397406U CN 211397406 U CN211397406 U CN 211397406U CN 201921100752 U CN201921100752 U CN 201921100752U CN 211397406 U CN211397406 U CN 211397406U
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- ladder
- platform
- handrail
- foot
- pipe
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Abstract
The utility model relates to a platform ladder, including preceding ladder foot, back ladder foot, handrail, platform and instrument platform that climbs, preceding ladder foot and back ladder foot expand each other or fold each other, the handrail that climbs sets up on preceding ladder foot with folding mode, and the instrument platform sets up on preceding ladder foot with folding mode, the platform is located between preceding ladder foot and the back ladder foot, and the platform sets up on preceding ladder foot with folding mode, and the platform expandes the back, preceding ladder foot and back ladder foot up bearing platform. The handrail that climbs sets up on preceding ladder foot with folding mode, and the instrument platform sets up on preceding ladder foot with folding mode, and the platform sets up on preceding ladder foot with folding mode, because handrail, platform and instrument platform that climbs all can be folding, when the transport of platform ladder, the user can fold handrail, platform and instrument platform that climbs, and the volume of the platform ladder that significantly reduces makes things convenient for the transport of platform ladder.
Description
Technical Field
The utility model relates to a ladder utensil field, in particular to platform ladder.
Background
The platform ladder is the operation purpose equipment of ascending a height that uses in the storage commodity circulation, is similar to the effect of ascending a height staircase, can make things convenient for personnel to stand on the platform, realizes that the access goods equals the operation.
Among the prior art, the platform ladder mainly includes ladder foot, footboard, handrail and platform, and the handrail setting is convenient for the user to climb on the ladder foot, and the platform is convenient for the user to stand.
But the platform ladder is mostly heavy ladder, remove extremely inconvenient, because the platform ladder must be equipped with the handrail, lead to the platform ladder to receive the back volume great, be unfavorable for depositing and transporting.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a light in weight, stability is good, the handrail can be folded and receive the small and convenient platform ladder of depositing of receipts.
The purpose of the utility model is realized like this:
a platform ladder comprises front ladder feet, rear ladder feet, a climbing handrail, a platform and a tool table, wherein the front ladder feet and the rear ladder feet are unfolded or folded mutually, the climbing handrail is arranged on the front ladder feet in a folding mode, the tool table is arranged on the front ladder feet in a folding mode, the platform is located between the front ladder feet and the rear ladder feet, the platform is arranged on the front ladder feet in a folding mode, and the front ladder feet and the rear ladder feet are upwards supported by the platform after the platform is unfolded. The handrail that climbs sets up on preceding ladder foot with folding mode, and the instrument platform sets up on preceding ladder foot with folding mode, and the platform sets up on preceding ladder foot with folding mode, because handrail, platform and instrument platform that climbs all can be folding, when the transport of platform ladder, the user can fold handrail, platform and instrument platform that climbs, and the volume of the platform ladder that significantly reduces makes things convenient for the transport of platform ladder.
The purpose of the utility model can also adopt the following technical measures to solve:
as a more specific scheme, preceding ladder foot includes preceding ladder pipe, preceding footboard and fixed handrail, preceding ladder pipe is connected respectively at fixed handrail both ends, and preceding footboard interval sets up in the front between ladder pipe and the preceding ladder pipe, and preceding footboard both ends are riveted respectively on preceding ladder pipe, back ladder foot includes back ladder pipe and back footboard, back footboard interval sets up between back ladder pipe and back ladder pipe, and back footboard riveting is on the ladder pipe of back. The front pedal is riveted on the front ladder pipe, the rear pedal is riveted on the rear ladder pipe, and the connection between the pedal and the ladder pipes is firmer by adopting a riveting mode, so that the pedal and the ladder pipes are not required to be produced on special equipment, the production cost is reduced, and the operation is simple.
As a more specific scheme, the escalator further comprises a locking assembly, wherein the locking assembly comprises an upper handrail limiting block, a lower handrail limiting block and a stop pin, the upper handrail limiting block is fixed on the upper portion of the front ladder pipe, the lower handrail limiting block is fixed on the lower portion of the front ladder pipe, the upper end of the climbing handrail is rotatably connected to the upper handrail limiting block, the lower end of the climbing handrail is rotatably connected to the lower handrail limiting block, the upper handrail limiting portion and the lower handrail limiting portion of the climbing handrail rotate around a rotation center, the stop pin is rotatably arranged on the front ladder pipe and close to the upper handrail limiting portion or the lower handrail limiting portion, and when the stop pin rotatably extends into the upper handrail limiting portion or the lower handrail limiting portion, the stop pin blocks the rotation of the climbing handrail. The spacing portion of handrail is rotatory for the rotation center above the backing pin, when the backing pin rotation leaves the spacing portion of handrail, the spacing portion of handrail and the spacing portion of handrail down are rotatory for the rotation center above the handrail that climbs, expand or folding handrail that climbs, when the backing pin is rotatory to get into the spacing portion of handrail, the spacing portion of handrail is rotatory in the backing pin restriction, avoids the handrail that climbs rotatory, improves the security of platform ladder.
As a more specific scheme, the front pedal is provided with an arc-shaped sliding cavity, the arc-shaped sliding cavity is provided with an opening, the end part of the platform is provided with an arc-shaped sliding block, the arc-shaped sliding block stretches into the arc-shaped sliding cavity through the opening and slides along the arc-shaped sliding cavity, and the platform is turned around the front pedal. The arc slider is arranged in the arc smooth intracavity, realizes preceding footboard and platform and connects, through arc slider at the smooth intracavity rotation of arc, realizes the expansion or folding of platform, and the platform upset is smooth in the same direction as, and simple structure is difficult to the pine between platform and the preceding footboard and takes off, improves the security of platform ladder.
More specifically, the lower part of the rear ladder foot is provided with a roller which is higher than the bottommost end of the rear ladder foot. The back ladder foot is provided with the gyro wheel, and when the user need carry the platform ladder, the user slope platform ladder, the gyro wheel supports and leans on subaerial, and when the user removed the platform ladder, owing to add the gyro wheel, the platform ladder removed more conveniently.
More specifically, the cross section of the front ladder tube and the cross section of the rear ladder tube are C-shaped sections. Preceding ladder pipe is "C" type cross section with the equal cross section of back ladder pipe, adopts "C" type cross section to compare conventional structure and saves 1/4 materials, reduces the weight of platform ladder, adopts the stability of this structure the same with conventional structure moreover to satisfy the requirement of platform ladder light weight development.
As more specific scheme, preceding ladder pipe is provided with first connecting block, and back ladder pipe is provided with the second connecting block, and first connecting block articulates on the second connecting block, realizes preceding ladder pipe and back ladder pipe and folds each other or expand.
According to a more specific scheme, the second connecting block is provided with a supporting part, the tool table comprises a support, a supporting plate and a connecting rod, the supporting plate is fixed on the support, the support is hinged to the front ladder pipe, one end of the connecting rod is connected with the support, the other end of the connecting rod is connected with the platform, when the platform is unfolded, the connecting rod acts along with the platform, and the connecting rod pulls the support to rotate until the support is seated on the supporting part, so that the tool table is unfolded. Connecting rod one end linking bridge, connecting rod other end connection platform, when the platform upset, the platform passes through the connecting rod and drives the tool rest upset in step, and the user need not manual upset tool rest, saves time.
More specifically, the platform is provided with a guardrail at the periphery for protecting the safety of users.
As a more specific scheme, a draw hook which is convenient for a user to pull the ladder is arranged on the fixed handrail.
The utility model has the advantages as follows:
the handrail that climbs sets up on preceding ladder foot with folding mode, and the instrument platform sets up on preceding ladder foot with folding mode, and the platform sets up on preceding ladder foot with folding mode, because handrail, platform and instrument platform that climbs all can be folded, when the transport of platform ladder, the user can fold handrail, platform and instrument platform that climbs, and the volume of the platform ladder that significantly reduces makes things convenient for the transport of platform ladder.
Spacing portion of handrail is rotatory for the rotation center above the backing pin, when the backing pin rotation leaves the spacing portion of handrail, the spacing portion of handrail and the spacing portion of handrail down are rotatory for the rotation center above the handrail that climbs, launch or folding handrail that climbs, when the backing pin is rotatory to get into the spacing portion of handrail, the spacing portion of handrail is rotatory on the backing pin restriction, avoids the handrail that climbs rotatory, improves the security of platform ladder.
Arc slider arranges the smooth intracavity of arc in, realizes footboard and platform connection, through arc slider at the smooth intracavity rotation of arc, realizes the expansion or folding of platform, and the platform upset is smooth in the same direction as, simple structure is difficult to the pine between platform and the footboard to take off, improves the security of platform ladder.
Back ladder foot is provided with the gyro wheel, if the user need carry the platform ladder when, user's slope platform ladder, the gyro wheel supports and leans on subaerial, during user's moving platform ladder, owing to add the gyro wheel, it is more convenient that the platform ladder removes.
Drawings
Fig. 1 is the schematic view of the platform ladder of the present invention in the unfolded state.
Fig. 2 is the platform ladder transport state diagram of the utility model.
Fig. 3 is another angle schematic diagram of the platform ladder carrying state of the present invention.
Fig. 4 is a front view of the platform ladder of the present invention.
Fig. 5 is the cross-sectional view of the platform ladder of the present invention in the unfolded state.
Figure 6 is the utility model discloses a platform ladder fold condition cross-sectional view.
Fig. 7 is an enlarged view of a portion a of fig. 5.
Fig. 8 is an enlarged view of a portion B of fig. 6.
Fig. 9 is a schematic view of the platform ladder of the present invention in an unfolded state.
Fig. 10 is a schematic view of the platform folding state of the platform ladder of the present invention.
Fig. 11 is a schematic sectional view of the front ladder tube of the platform ladder of the present invention.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example, referring to fig. 1 to 11, a platform ladder comprises a front ladder foot 1, a rear ladder foot 2, a climbing handrail 3, a platform 4, a tool table 5 and a locking assembly 6.
Preceding ladder foot 1 is including preceding ladder pipe 11, preceding footboard 12 and fixed handrail 13, be provided with the drag hook 14 of the user pulling ladder of being convenient for on the fixed handrail 13, on preceding ladder pipe 11 was connected respectively at fixed handrail 13 both ends, preceding ladder pipe 11's cross section was "C" type cross section, preceding footboard 12 interval set up in the front between ladder pipe 11 and preceding ladder pipe 11, preceding footboard 12 both ends are riveted respectively in the front on ladder pipe 11, and preceding ladder pipe 11 upper portion is provided with first connecting block 15 moreover.
The first connecting block 15 of the front ladder leg 1 is hinged on the second connecting block 24 of the rear ladder leg 2, so that the front ladder tube 11 and the rear ladder tube 21 can be unfolded or folded mutually.
The front pedal 12 is provided with an arc-shaped sliding cavity 121, the arc-shaped sliding cavity 121 is provided with an opening 122, a guardrail 41 for protecting the safety of a user is arranged on the periphery of the platform 4, an arc-shaped sliding block 42 is arranged at the end part of the platform 4, the arc-shaped sliding block 42 extends into the arc-shaped sliding cavity 121 through the opening 122 and slides along the arc-shaped sliding cavity 121, and the platform 4 is turned around the front pedal 12.
The tool table 5 comprises a support 51, a support plate 52 and a connecting rod 53, wherein the support plate 52 is fixed on the support 51, the support 51 is hinged on the front ladder pipe 11, one end of the connecting rod 53 is connected with the support 51, the other end of the connecting rod 53 is connected with the platform 4, when the platform 4 is unfolded, the connecting rod 53 acts along with the platform 4, and the connecting rod 53 pulls the support 51 to rotate until the support 51 is seated on the supporting part 241, so that the tool table 5 is unfolded.
The locking assembly 6 comprises an upper handrail limiting block 61, a lower handrail limiting block 62 and a stop pin 63, wherein the upper handrail limiting block 61 is fixed at the upper part of the front ladder tube 11, and the lower handrail limiting block 62 is fixed at the lower part of the front ladder tube 11.
The upper end of the climbing handrail 3 is rotatably connected to the upper handrail limiting block 61, the lower end of the climbing handrail 3 is rotatably connected to the lower handrail limiting block 62, and the upper handrail limiting part and the lower handrail limiting part of the climbing handrail 3 rotate as a rotation center. The stop pin 63 is rotatably arranged on the front ladder tube 11 near the upper handrail limiting part, and when the stop pin 63 rotates to the upper handrail limiting part, the stop pin 63 blocks the climbing handrail 3 from rotating, so that the climbing handrail 3 is arranged on the front ladder foot 1 in a folding manner.
The working principle is as follows:
unfolding the platform ladder:
firstly, unfolding a front ladder leg 1 and a rear ladder leg 2, then, overturning a platform 4, sliding an arc-shaped sliding block 42 of the platform 4 along an arc-shaped sliding cavity 121 of a pedal until the platform 4 is seated on the front ladder leg 1 and the rear ladder leg 2, the front ladder leg 1 and the rear ladder leg 2 upwards support the platform 4, completing unfolding of the platform 4, simultaneously pulling a bracket 51 to move downwards by the platform 4 through a connecting rod 53 until the bracket 51 is seated on a supporting part 241 of a second connecting block 24, thereby unfolding a supporting plate 52, completing opening of a tool table 5, finally, shifting a stop pin 63 by a user to enable the stop pin 63 to leave an upper handrail limiting part, wherein the user can rotatably climb the handrail 3, the upper handrail limiting part and the lower handrail limiting part above the climbing handrail 3 are rotated as rotating centers, thereby unfolding the climbing handrail 3 for the convenience of the user, after the climbing handrail 3 is completely unfolded, shifting the stop pin 63 again by the user to enable the stop pin 63 to extend into the upper handrail limiting part, the stop pin 63 locks the climbing handrail 3, so that the climbing handrail 3 is prevented from rotating, and the safety is improved.
Folding the platform ladder:
firstly, the front ladder leg 1 and the rear ladder leg 2 are mutually folded, then the platform 4 is turned over, the arc-shaped slide block 42 of the platform 4 slides along the arc-shaped slide cavity 121 of the pedal until the platform 4 is close to the front ladder leg 1, the folding of the platform 4 is completed, meanwhile, the platform 4 pushes the bracket 51 to move upwards through the connecting rod 53 until the bracket 51 leaves the supporting part 241, the supporting plate 52 is close to the front ladder foot 1, the folding of the tool table 5 is completed, and finally, the user pulls the stop pin 63, so that the stop pin 63 leaves the upper handrail limiting part, at this time, the user can rotate the climbing handrail 3, the upper handrail limiting part and the lower handrail limiting part of the climbing handrail 3 rotate as a rotation center, thereby folding the climbing handrail 3, when the climbing handrail 3 is completely folded, the user again pulls the stop pin 63, so that the stop pin 63 extends into the upper handrail limiting part, and the stop pin 63 locks the climbing handrail 3, thereby preventing the climbing handrail 3 from rotating and improving the safety.
Carrying platform ladder
The user inclines the platform ladder after will folding, makes gyro wheel 23 press close to ground, and the user can stimulate the platform ladder and remove, and in addition, the user also can be with the pull hook 14 of pull rod take-up on fixed handrail 13, and convenience of customers carries the platform ladder, easy operation, and the platform ladder removes conveniently.
Claims (10)
1. The utility model provides a platform ladder, includes preceding ladder foot, back ladder foot, climbing handrail, platform and instrument platform, preceding ladder foot and back ladder foot expand each other or fold each other its characterized in that: the climbing handrail is arranged on the front ladder foot in a folding mode, the tool table is arranged on the front ladder foot in a folding mode, the platform is located between the front ladder foot and the rear ladder foot, the platform is arranged on the front ladder foot in a folding mode, and after the platform is unfolded, the front ladder foot and the rear ladder foot upwards support the platform.
2. The platform ladder of claim 1, wherein: preceding ladder foot includes preceding ladder pipe, preceding footboard and fixed handrail, preceding ladder pipe is connected respectively at fixed handrail both ends, and preceding footboard interval sets up in the front between ladder pipe and preceding ladder pipe, and preceding footboard both ends are riveted respectively in the front on ladder pipe, back ladder foot includes back ladder pipe and back footboard, back footboard interval sets up between back ladder pipe and back ladder pipe, and back footboard riveting is on the ladder pipe of back.
3. The platform ladder of claim 2, wherein: the upper handrail limiting block is fixed on the upper portion of a front ladder pipe, the lower handrail limiting block is fixed on the lower portion of the front ladder pipe, the upper end of the climbing handrail is connected to the upper handrail limiting block in a rotating mode, the lower end of the climbing handrail is connected to the lower handrail limiting block in a rotating mode, the upper handrail limiting portion of the climbing handrail and the lower handrail limiting portion of the climbing handrail rotate around the rotation center, the blocking pin is arranged on the front ladder pipe in a rotating mode and is close to the upper handrail limiting portion or the lower handrail limiting portion, and when the blocking pin stretches into the upper handrail limiting portion or the lower handrail limiting portion in a rotating mode, the blocking pin blocks the climbing handrail to rotate.
4. The platform ladder of claim 2, wherein: the front pedal is provided with an arc-shaped sliding cavity, the arc-shaped sliding cavity is provided with an opening, the end part of the platform is provided with an arc-shaped sliding block, the arc-shaped sliding block stretches into the arc-shaped sliding cavity through the opening and slides along the arc-shaped sliding cavity, and the platform is turned around the front pedal.
5. The platform ladder of claim 2, wherein: the lower part of the rear ladder foot is provided with a roller which is higher than the bottommost end of the rear ladder foot.
6. The platform ladder of claim 2, wherein: the cross sections of the front ladder tube and the rear ladder tube are C-shaped sections.
7. The platform ladder of claim 2, wherein: preceding ladder pipe is provided with first connecting block, and back ladder pipe is provided with the second connecting block, and first connecting block articulates on the second connecting block, realizes preceding ladder pipe and back ladder pipe and folds each other or expand.
8. The platform ladder of claim 7, wherein: the second connecting block is provided with a bearing part, the tool table comprises a support, a supporting plate and a connecting rod, the supporting plate is fixed on the support, the support is hinged to the front ladder tube, one end of the connecting rod is connected with the support, the other end of the connecting rod is connected with the platform, when the platform is unfolded, the connecting rod acts along with the platform, and the connecting rod pulls the support to rotate until the support is seated on the bearing part, so that the tool table is unfolded.
9. The platform ladder of claim 1, wherein: and a guardrail for protecting the safety of a user is arranged on the periphery of the platform.
10. The platform ladder of claim 2, wherein: the fixed handrail is provided with a draw hook which is convenient for a user to draw the ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921100752.XU CN211397406U (en) | 2019-07-12 | 2019-07-12 | Platform ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921100752.XU CN211397406U (en) | 2019-07-12 | 2019-07-12 | Platform ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211397406U true CN211397406U (en) | 2020-09-01 |
Family
ID=72223786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921100752.XU Active CN211397406U (en) | 2019-07-12 | 2019-07-12 | Platform ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211397406U (en) |
-
2019
- 2019-07-12 CN CN201921100752.XU patent/CN211397406U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |