CN211422507U - Herringbone ladder - Google Patents
Herringbone ladder Download PDFInfo
- Publication number
- CN211422507U CN211422507U CN201921226799.0U CN201921226799U CN211422507U CN 211422507 U CN211422507 U CN 211422507U CN 201921226799 U CN201921226799 U CN 201921226799U CN 211422507 U CN211422507 U CN 211422507U
- Authority
- CN
- China
- Prior art keywords
- ladder
- groove
- gear
- connecting rod
- herringbone
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Ladders (AREA)
Abstract
The application provides a double ladder, includes: a support mechanism; the support mechanism includes: the extension plate, the bottom plate, the torsion spring, the gear, the compression plate and the screw rod; the bottom plate is arranged at the bottom of the ladder frame of the herringbone ladder, and an accommodating groove is formed in the bottom plate and used for accommodating the extension plate; a gear and a torsion spring are arranged in the accommodating groove; the first end of the torsion spring is fixedly connected with the gear, and the second end of the torsion spring is fixedly connected with the inner wall of the accommodating groove; a threaded hole is formed in the axis position of the gear; the threaded hole is in threaded connection with the second end of the screw rod, and the first end of the screw rod penetrates through the inner wall of the bottom of the accommodating groove, extends out of the bottom of the accommodating groove and is fixedly connected with the compression plate; the first end of the extension plate, which is far away from the outlet of the accommodating groove, is fixed with a rack, and the rack is meshed with the gear. This application provides the support effect for the side of double ladder through the supporting mechanism who sets up in the double ladder side, has solved current double ladder and has taken place the technical problem that the side direction was emptyd easily when using.
Description
Technical Field
The application relates to the field of mechanical tools, in particular to a herringbone ladder.
Background
The herringbone ladder is one kind of ladder, and when the herringbone ladder is used, the front ladder rod, the rear ladder rod and the ground form an isosceles triangle which looks like a Chinese character 'ren', so that the herringbone ladder is called as the herringbone ladder in an image. When the herringbone ladder is used, a specially-assigned person is not needed to support the herringbone ladder, but the unfolded herringbone ladder is not provided with protective measures, so that the technical problem that the existing herringbone ladder is easy to laterally topple when in use is caused.
SUMMERY OF THE UTILITY MODEL
The application discloses double ladder for solve current double ladder and take place the technical problem that the side direction emptys easily when using.
In view of this, the present application provides a double ladder, comprising: a support mechanism;
the support mechanism includes: the extension plate, the bottom plate, the torsion spring, the gear, the compression plate and the screw rod;
the bottom plate is arranged at the bottom of the ladder frame of the herringbone ladder, and an accommodating groove is formed in the bottom plate and used for accommodating the extension plate;
the gear and the torsion spring are arranged in the accommodating groove;
the first end of the torsion spring is fixedly connected with the gear, and the second end of the torsion spring is fixedly connected with the inner wall of the accommodating groove;
a threaded hole is formed in the axis position of the gear;
the threaded hole is in threaded connection with the second end of the screw rod, and the first end of the screw rod penetrates through the inner wall of the bottom of the accommodating groove, extends out of the bottom of the accommodating groove and is fixedly connected with the compression plate;
the first end of extension board, far away from the holding tank export is fixed with the rack, just the rack with gear engagement.
Optionally, the method further comprises: the sliding sleeve, the first connecting rod and the sliding sleeve limiting component;
the sliding sleeve and the sliding sleeve limiting part are both arranged on a ladder frame of the herringbone ladder;
the first end of first connecting rod with the extension board is close to the articulated of the first end of the export of holding tank, the second end with the sliding sleeve is articulated.
Optionally, the sliding sleeve limiting component comprises: the mounting groove, the compression spring and the limiting block;
the first end of the compression spring is fixedly connected with the inner wall of the mounting groove, and the second end of the compression spring is fixedly connected with the limiting block.
Optionally, the method further comprises: compressing the plate groove;
the compression plate groove set up in the holding tank with between the compression plate, just the size in compression plate groove with the size phase-match of compression plate.
Optionally, a set of the supporting mechanism is disposed on both sides of the bottom of each ladder frame.
Optionally, the method further comprises: a ladder frame reinforcement mechanism;
the ladder frame reinforcement mechanism includes: a second connecting rod and a rectangular groove;
the rectangular groove is arranged on a first ladder frame of the herringbone ladder;
and the first end of the second connecting rod is hinged on the second ladder frame, and the second end of the second connecting rod is movably connected with the rectangular groove.
Optionally, the method further comprises: the clamping groove, the clamping pin and the sucking disc;
the clamping pin and the sucking disc are respectively arranged at two ends of the rectangular groove;
the clamping groove is arranged at the second end of the second connecting rod and connected with the clamping pin.
Optionally, when the double ladder is in the unfolded state, the second end of the second connecting rod is in fit connection with the bayonet through the bayonet;
when the herringbone ladder is in a closed state, the second end of the second connecting rod is attached to the sucker.
Optionally, when the double ladder is in a closed state, the second end of the second connecting rod is in fit connection with the bayonet through the bayonet slot;
when the herringbone ladder is in an unfolded state, the second end of the second connecting rod is attached to the sucker.
Optionally, the method further comprises: a plurality of non-slip bumps;
the anti-skid lugs are arranged on the pedals of the herringbone ladder.
According to the technical scheme, the embodiment of the application has the following advantages:
the application provides a double ladder, includes: a support mechanism; the support mechanism includes: the extension plate, the bottom plate, the torsion spring, the gear, the compression plate and the screw rod; the bottom plate is arranged at the bottom of the ladder frame of the herringbone ladder, and an accommodating groove is formed in the bottom plate and used for accommodating the extension plate; the gear and the torsion spring are arranged in the accommodating groove; the first end of the torsion spring is fixedly connected with the gear, and the second end of the torsion spring is fixedly connected with the inner wall of the accommodating groove; a threaded hole is formed in the axis position of the gear; the threaded hole is in threaded connection with the second end of the screw rod, and the first end of the screw rod penetrates through the inner wall of the bottom of the accommodating groove, extends out of the bottom of the accommodating groove and is fixedly connected with the compression plate; the first end of extension board, far away from the holding tank export is fixed with the rack, just the rack with gear engagement.
This application is through setting up the supporting mechanism in the double ladder side, when using to expand, the compression board is by ground contact, and the compression board is driven the lead screw by extruded in-process and removes and then orders about gear revolve to the holding tank is released to the board that will extend, provides the supporting effect for the side of double ladder, has solved current double ladder and has taken place the technical problem that the side direction was emptyd easily when using.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a supporting mechanism in a herringbone ladder in a first state, provided by the application;
FIG. 2 is a structural schematic diagram of a support mechanism in a herringbone ladder in a second state;
fig. 3 is a schematic overall structure diagram of a herringbone ladder provided by the present application;
fig. 4 is a schematic structural diagram of a portion a of a herringbone ladder provided in the present application.
Detailed Description
The embodiment of the application discloses a herringbone ladder, which is used for solving the technical problem that the existing herringbone ladder is easy to laterally topple when in use.
In the description of the present application, 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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 application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1 to 4, in an embodiment of the present application, a herringbone ladder includes: a support mechanism;
the support mechanism includes: the extension plate 13, the bottom plate 3, the torsion spring 17, the gear 10, the compression plate and the screw rod 8;
the bottom plate 3 is arranged at the bottom of a ladder frame of the herringbone ladder, and the bottom plate 3 is provided with an accommodating groove 7 for accommodating the extension plate 13;
the accommodating groove 7 is internally provided with a gear 10 and a torsion spring 17;
the first end of the torsion spring 17 is fixedly connected with the gear 10, and the second end of the torsion spring is fixedly connected with the inner wall of the accommodating groove 7;
a threaded hole is formed in the axis position of the gear 10;
the threaded hole is in threaded connection with the second end of the screw rod 8, and the first end of the screw rod 8 penetrates through the inner wall of the bottom of the accommodating groove 7, extends out of the bottom of the accommodating groove 7 and is fixedly connected with the compression plate;
a rack 12 is fixed to a first end of the extension plate 13 away from the outlet of the receiving groove 7, and the rack 12 is engaged with the gear 10.
More specifically, the bottom of the bottom plate 3 of this embodiment is disposed at the foot of the herringbone ladder, the two sides of the bottom plate 3 are both provided with the accommodating grooves 7, the inner wall of the bottom of the accommodating groove 7 is rotatably connected with a gear 10, the gear 10 is screwed with a lead screw 8, the bottom of the lead screw 8 penetrates through the inner wall of the bottom of the accommodating groove 7 and extends to the bottom of the accommodating groove 7, the bottom of the lead screw 8 is fixedly connected with a compression plate, the top of the compression plate is slidably connected with the inner wall of the top of the accommodating groove 7, the gear 10 is fixedly connected with a gear 10, the gear 10 is engaged with a rack 12, one side of the rack 12 is fixedly connected with an extension plate 13, the lead screw 8 can move through the compression plate, the gear 10 is rotated by the lead screw 8, thereby pushing the extension plate 13 out of the accommodating groove 7 through the interaction of the gear, an accident occurs.
When retrieving the double ladder, because the compression plate loses the holding power who comes from ground, gear 10 can be in reverse direction rotation under the effort of torsional spring 17 for the compression plate resets, and simultaneously through the transmission effect of gear 10 and rack 12, the realization is retrieved extension board 13 in holding tank 7.
Further, still include: the sliding sleeve 4, the first connecting rod 20 and the sliding sleeve 4 limiting component;
the sliding sleeve 4 and the sliding sleeve 4 limiting part are both arranged on a ladder frame of the herringbone ladder;
the first end of the first link 20 is hinged with the first end of the extension plate 13 near the outlet of the receiving groove 7, and the second end is hinged with the sliding sleeve 4.
Further, the sliding sleeve 4 limiting component comprises: the mounting groove 14, the compression spring 16 and the limiting block 15;
the first end of the compression spring 16 is fixedly connected with the inner wall of the mounting groove 14, and the second end is fixedly connected with the limiting block 15.
More specifically, mounting groove 14 has all been seted up on first ladder frame 1 and the second ladder frame 2 of double ladder, the open end sliding connection of mounting groove 14 has stopper 15, compression spring 16's one end and one side inner wall fixed connection other end of mounting groove 14 are connected with stopper 15's bottom, the one end of first connecting rod 20 is articulated the other end and the extension board 13 is close to the one end of holding tank 7 export with the articulated other end of sliding sleeve 4, through setting up stopper 15, can drive sliding sleeve 4 and move down when extension board 13 removes, it is spacing to utilize stopper 15 can carry out sliding sleeve 4 after moving down, make extension board 13 more firm.
Further, still include: a compression plate groove 6;
Furthermore, a group of supporting mechanisms is arranged on two sides of the bottom of each ladder frame.
Further, still include: a ladder frame reinforcement mechanism;
ladder frame strengthening mechanism includes: a second link 18 and a rectangular slot 19;
the rectangular groove 19 is arranged on the first ladder frame 1 of the herringbone ladder;
the first end of the second connecting rod 18 is hinged on the second ladder frame 2, and the second end is movably connected with the rectangular groove 19.
Further, still include: a clamping groove, a clamping pin 21 and a sucking disc 23;
the bayonet 21 and the sucker 23 are respectively arranged at two ends of the rectangular groove 19;
the locking groove is arranged at the second end of the second connecting rod 18 and connected with the locking pin 21.
Further, when the double ladder is in an unfolded state, the second end of the second connecting rod 18 is attached and connected with the bayonet 21 through the bayonet slot;
when the trestle ladder is in a closed state, the second end of the second connecting rod 18 is in a joint connection with the suction cup 23.
Further, when the double ladder is in a closed state, the second end of the second connecting rod 18 is attached and connected with the bayonet 21 through the bayonet slot;
when the trestle ladder is in the unfolded state, the second end of the second connecting rod 18 is in fit connection with the suction cup 23.
More specifically, rectangular channel 19 of rectangle is seted up to one side of first ladder frame 1, and the first end of second connecting rod 18 articulates on second ladder frame 2, and the second end of second connecting rod 18 extend to in the rectangular channel 19 and with one side inner wall sliding connection of rectangular channel 19 to through sucking disc 23 and bayonet lock 21, can fix second connecting rod 18, play the supporting role to first ladder frame 1 and second ladder frame 2, make whole ladder frame more stable.
Further, still include: a plurality of non-slip bumps;
the anti-skid lugs are arranged on the pedal 5 of the herringbone ladder.
It should be noted that, a plurality of anti-skidding salient points 22 are fixedly connected to the pedal 5 at equal intervals, and the anti-skidding salient points 22 are arranged, so that slipping of soles of people during ascending can be prevented, and safety is improved.
More specifically, the usage principle of the herringbone ladder provided by this embodiment specifically includes: when the folding ladder is used, firstly, the first ladder frame 1 and the second ladder frame 2 are unfolded manually, then the second connecting rod 18 is rotated downwards, the second connecting rod 18 drives the second connecting rod 18 to slide downwards in the rectangular groove 19, at the moment, the sucker 23 is separated from the limit of the second connecting rod 18, when the first ladder frame 1 and the second ladder frame 2 are completely unfolded, the second connecting rod 18 just slides to the bottom of the rectangular groove 19, the bayonet 21 is clamped with the bayonet and fixes the current position, so that the stability of the first ladder frame 1 and the second ladder frame 2 can be improved, the falling can be effectively prevented, when the tops of the first ladder frame 1 and the second ladder frame 2 are contacted with the ground, the compression plate can drive the screw rod 8 to move upwards, and further compress the torsion spring 17, as the screw rod 8 moves, the gear 10 can be driven to rotate, the gear 10 rotates to drive the rack 12 to move, further the extension plate 13 is pushed to extend outwards, and the contact area with the ground is increased, make the ladder more steady, can drive first connecting rod 20 when extension plate 13 removes and rotate, and then drive sliding sleeve 4 and remove downwards, can promote stopper 15 inside compression torsional spring 17 this moment, when sliding sleeve 4 moves down to the below of stopper 15, under torsional spring 17's effect, stopper 15 resumes original position, prevent that sliding sleeve 4 from moving upwards, people just can scramble through footboard 5 this moment, set up anti-skidding bump 22 on the footboard 5, can prevent people's foot from skidding, increase the security, after the construction, press stopper 15, lift the ladder, under the effect of compression spring 16's the elasticity that resets, lead screw 8 can move down, and then drive extension plate 13 and retrieve, second connecting rod 18 also can the upwards slip this moment, when sucking disc 23 holds second connecting rod 18 again, first ladder frame 1 finishes with second ladder frame 2 is folding, convenience and practicality.
While the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Claims (10)
1. A herringbone ladder, comprising: a support mechanism;
the support mechanism includes: the extension plate, the bottom plate, the torsion spring, the gear, the compression plate and the screw rod;
the bottom plate is arranged at the bottom of the ladder frame of the herringbone ladder, and an accommodating groove is formed in the bottom plate and used for accommodating the extension plate;
the gear and the torsion spring are arranged in the accommodating groove;
the first end of the torsion spring is fixedly connected with the gear, and the second end of the torsion spring is fixedly connected with the inner wall of the accommodating groove;
a threaded hole is formed in the axis position of the gear;
the threaded hole is in threaded connection with the second end of the screw rod, and the first end of the screw rod penetrates through the inner wall of the bottom of the accommodating groove, extends out of the bottom of the accommodating groove and is fixedly connected with the compression plate;
the first end of extension board, far away from the holding tank export is fixed with the rack, just the rack with gear engagement.
2. The herringbone ladder of claim 1, further comprising: the sliding sleeve, the first connecting rod and the sliding sleeve limiting component;
the sliding sleeve and the sliding sleeve limiting part are both arranged on a ladder frame of the herringbone ladder;
the first end of first connecting rod with the extension board is close to the articulated of the first end of the export of holding tank, the second end with the sliding sleeve is articulated.
3. The herringbone ladder of claim 2, wherein the sliding sleeve limiting member comprises: the mounting groove, the compression spring and the limiting block;
the first end of the compression spring is fixedly connected with the inner wall of the mounting groove, and the second end of the compression spring is fixedly connected with the limiting block.
4. The herringbone ladder of claim 1, further comprising: compressing the plate groove;
the compression plate groove set up in the holding tank with between the compression plate, just the size in compression plate groove with the size phase-match of compression plate.
5. A trestle ladder as claimed in any one of claims 1 to 4, characterised in that a set of said support mechanisms is provided on each side of the bottom of each ladder frame.
6. The herringbone ladder of claim 1, further comprising: a ladder frame reinforcement mechanism;
the ladder frame reinforcement mechanism includes: a second connecting rod and a rectangular groove;
the rectangular groove is arranged on a first ladder frame of the herringbone ladder;
and the first end of the second connecting rod is hinged on the second ladder frame, and the second end of the second connecting rod is movably connected with the rectangular groove.
7. The herringbone ladder of claim 6, further comprising: the clamping groove, the clamping pin and the sucking disc;
the clamping pin and the sucking disc are respectively arranged at two ends of the rectangular groove;
the clamping groove is arranged at the second end of the second connecting rod and connected with the clamping pin.
8. The double ladder of claim 7, wherein the second end of the second link is snugly connected to the bayonet by the bayonet slot when the double ladder is in the deployed state;
when the herringbone ladder is in a closed state, the second end of the second connecting rod is attached to the sucker.
9. The double ladder of claim 7, wherein the second end of the second link is snugly connected to the bayonet by the bayonet slot when the double ladder is in the closed position;
when the herringbone ladder is in an unfolded state, the second end of the second connecting rod is attached to the sucker.
10. The herringbone ladder of claim 1, further comprising: a plurality of non-slip bumps;
the anti-skid lugs are arranged on the pedals of the herringbone ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226799.0U CN211422507U (en) | 2019-07-31 | 2019-07-31 | Herringbone ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226799.0U CN211422507U (en) | 2019-07-31 | 2019-07-31 | Herringbone ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211422507U true CN211422507U (en) | 2020-09-04 |
Family
ID=72244454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921226799.0U Active CN211422507U (en) | 2019-07-31 | 2019-07-31 | Herringbone ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211422507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259369A (en) * | 2019-07-31 | 2019-09-20 | 广东电网有限责任公司 | A kind of double ladder |
-
2019
- 2019-07-31 CN CN201921226799.0U patent/CN211422507U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259369A (en) * | 2019-07-31 | 2019-09-20 | 广东电网有限责任公司 | A kind of double ladder |
| CN110259369B (en) * | 2019-07-31 | 2024-05-28 | 广东电网有限责任公司 | Herringbone ladder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110242205B (en) | Single-foot telescopic ladder for single person | |
| CN211422507U (en) | Herringbone ladder | |
| CN108653866B (en) | Infusion support capable of being stored | |
| CN115092681A (en) | A tongs mechanism for electric bicycle carries platform | |
| CN208836209U (en) | Automatic-clamping bracket | |
| CN109334826B (en) | Vertical parking device for bicycle | |
| CN110259369B (en) | Herringbone ladder | |
| CN210807381U (en) | Skin mobile phone support | |
| CN214659882U (en) | Lifting ladder | |
| CN112901059B (en) | Reliable type garden ladder capable of climbing trees | |
| CN209875030U (en) | Telescopic folding platform ladder | |
| CN213046162U (en) | Hanging basket chair with foot supports | |
| CN112294016B (en) | Metal apartment bed convenient to store for rental houses | |
| CN112998969B (en) | Folding flat car for medical aid | |
| CN212249774U (en) | Fire escape window capable of being changed into ladder | |
| CN113957801A (en) | A support fixing device in advance for bridge construction | |
| CN209284674U (en) | A kind of Combined ladder stool | |
| CN210784685U (en) | Intensive care therapy equipment support frame | |
| CN219509580U (en) | Anti-slip and anti-fall ladder | |
| CN212560059U (en) | Nicotinic acid recovery unit | |
| CN218833046U (en) | Folding support for assisting patient in taking wheelchair to perform gynecological examination | |
| CN215016679U (en) | Closestool chair pedal | |
| CN217987004U (en) | Assembled storage furniture | |
| CN212479048U (en) | Transformer substation's capital construction closes ladder anti-overturning device | |
| CN218552658U (en) | Nursing walking aid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |