CN109322613A - A kind of ladder latching device - Google Patents
A kind of ladder latching device Download PDFInfo
- Publication number
- CN109322613A CN109322613A CN201811422248.1A CN201811422248A CN109322613A CN 109322613 A CN109322613 A CN 109322613A CN 201811422248 A CN201811422248 A CN 201811422248A CN 109322613 A CN109322613 A CN 109322613A
- Authority
- CN
- China
- Prior art keywords
- support post
- screw rod
- support
- transmission gear
- wheel disc
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
- E06C1/12—Ladders for resting against objects, e.g. walls poles, trees multi-part extensible, e.g. telescopic
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/02—Extending means
- E06C7/04—Hand-operated extending means carried by the ladder
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/06—Securing devices or hooks for parts of extensible ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a kind of ladder latching devices, including the first support post, the first support beam is provided on one side external surface of first support post, the upper end of first support post is provided with the second support post, and second support post have two, the second support beam is provided on one side external surface of second support post, the top of second support post is provided with support beam, screw rod fixed block is provided on one side external surface of upper end of first support post, the screw rod fixed block is internally provided with fixing bearing, the side of fixed bearing is provided with screw rod, the side of fixed bearing is provided with sliding block, the side of the sliding block is provided with gag lever post, the side of the gag lever post is provided with transmission gear outer housing.Structure of the invention is stablized, and improves the convenience degree operated when use, while also improving safety coefficient when use.
Description
Technical field
The present invention relates to ladder technical field, specially a kind of ladder latching device.
Background technique
With the development of the times, the building of people is higher and higher, using to the general of ladder when construction or finishing
Rate is very big, and in order to provide better using effect, ladder is also more and more diversified, in numerous ladder types, ladder
Safety when son uses is primary always.
But most ladder does not have locker now, structure is simple, and safety is poor；Therefore, we have proposed
A kind of ladder latching device.
Summary of the invention
The purpose of the present invention is to provide a kind of ladder latching device, to solve mentioned above in the background art not lock
The problems such as buckle device, structure is simple, and safety is poor.
To achieve the above object, the invention provides the following technical scheme: a kind of ladder latching device, including the first support are vertical
Column is provided with the first support beam on one side external surface of first support post, and the upper end of first support post is set
It is equipped with the second support post, and the second support post there are two, is provided on a side external surface of second support post
Two support beams, the top of second support post are provided with support beam, the upper end side of first support post
Screw rod fixed block is provided on outer surface, the screw rod fixed block is internally provided with fixing bearing, fixed bearing
Side be provided with screw rod, the side of fixed bearing is provided with sliding block, and the side of the sliding block is provided with gag lever post, institute
The side for stating gag lever post is provided with transmission gear outer housing, fixing bearing under being internally provided with of the transmission gear outer housing,
The side of the lower fixing bearing is provided with transmission gear, and the side of the transmission gear is provided with tooth connection wheel disc, the company
The side for connecing toothed disc is provided with tooth connection wheel disc fixing bearing, and the side of the tooth connection wheel disc is provided with rotation central axis, institute
The one end for stating rotation central axis is provided with rocker arm, and one end of the rocker arm is connected with handle.
Preferably, first support beam is fixedly connected with the first support post by rivet, and second support is horizontal
Beam is fixedly connected with the second support post by rivet, and the upper support beam and the second support post connect by the way that rivet is fixed
It connects.
Preferably, the screw rod fixed block is internally provided with groove, and upper fixing bearing is located at the groove of screw rod fixed block
Interior, the screw rod is through at the location mid-shaft of upper fixing bearing and lower fixing bearing, one end of the transmission gear and screw rod
It is welded to connect.
Preferably, the lower end of the screw rod is provided with through-hole, and the gag lever post is located in through-hole, on the inner wall of the sliding block
It is provided with screw thread, and sliding block is socketed on the outer surface of screw rod, a side external surface of sliding block and the second support post is welded to connect.
Preferably, the transmission gear engages connection, one end of the rotation central axis and connection gear with tooth connection wheel disc
Disk is welded to connect, and the other end is placed on the outside of transmission gear outer housing through tooth connection wheel disc fixing bearing.
Preferably, it is connected between the handle and rotation central axis by rocker arm.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is by being arranged groove on a side external surface of the first support post, in the side appearance of the second support post
Convex block is set on face, and convex block is located in groove, the second support post can be made in a Slideslip of the first support post, and begin
Connection status is kept eventually, this measure can be improved the integrally-built stable and firm of the ladder, improve the safety coefficient of the ladder,
A safety guarantee is improved for user；
2, tooth connection wheel disc is arranged in the side of transmission gear by the way that transmission gear is arranged in one end of screw rod in the present invention, and even
It connects toothed disc and engages connection with transmission gear, rotation central axis is set in the side of tooth connection wheel disc, rotation central axis is through connection
Toothed disc fixing bearing, and one end is provided with rocker arm, and one end of rocker arm is provided with handle, can make silk by shake handle
Bar rotation, improve the ladder operates conveniently degree；
3, the present invention is provided with screw thread on the inner wall of sliding block by welding sliding block on a side external surface of the second support post,
Screw rod is through on sliding block, so the rotation band movable slider by screw rod moves on screw rod, so that the second support post
It moves up and down, so that the ladder uses enhanced convenience；
4, the present invention is provided with gag lever post by the way that through-hole is arranged in placing an order for screw rod in through-hole, can be in the second support post
After being moved to application position the fixation of screw rod position is not being rotated, so that the position of the second support post is fixed, improves
The safety of the ladder, ensure that the safety used.
Detailed description of the invention
Fig. 1 is overall schematic of the present invention；
Fig. 2 is main view of the present invention；
Fig. 3 is transmission gear outer housing internal structure chart of the present invention.
1, first support post in figure；2, the first support beam；3, the second support post；4, the second support beam；5, on
Support beam；6, screw rod fixed block；7, screw rod；8, sliding block；9, gag lever post；10, transmission gear outer housing；11, rocker arm；12,
Hand；13, lower fixing bearing；14, transmission gear；15, upper fixing bearing；16, tooth connection wheel disc；17, tooth connection wheel disc fixing axle
It holds；18, rotation central axis.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Fig. 1-3 is please referred to, a kind of embodiment provided by the invention: a kind of ladder latching device, including the first support post
1, the first support beam 2 is provided on a side external surface of the first support post 1, and the upper end of the first support post 1 is provided with
Two support posts 3, and the second support post 3 has two, and the second support cross is provided on a side external surface of the second support post 3
Beam 4, the top of the second support post 3 are provided with support beam 5, are arranged on one side external surface of upper end of the first support post 1
There is screw rod fixed block 6, screw rod fixed block 6 is internally provided with fixing bearing 15, and the side of upper fixing bearing 15 is provided with silk
Bar 7, the side of upper fixing bearing 15 are provided with sliding block 8, and the side of sliding block 8 is provided with gag lever post 9, the side setting of gag lever post 9
There is transmission gear outer housing 10, fixing bearing 13 under being internally provided with of transmission gear outer housing 10, the one of lower fixing bearing 13
Side is provided with transmission gear 14, and the side of transmission gear 14 is provided with tooth connection wheel disc 16, the side setting of tooth connection wheel disc 16
There is tooth connection wheel disc fixing bearing 17, the side of tooth connection wheel disc 16 is provided with rotation central axis 18, and one end of rotation central axis 18 is set
It is equipped with rocker arm 11, one end of rocker arm 11 is connected with handle 12.
Further, the first support beam 2 is fixedly connected with the first support post 1 by rivet, the second support beam 4 and
Two support posts 3 are fixedly connected by rivet, and upper support beam 5 is fixedly connected with the second support post 3 by rivet.
Further, screw rod fixed block 6 is internally provided with groove, and upper fixing bearing 15 is located at the groove of screw rod fixed block 6
Interior, screw rod 7 is through at the location mid-shaft of upper fixing bearing 15 and lower fixing bearing 13, one end of transmission gear 14 and screw rod 7
It is welded to connect, improves the overall stability of the ladder.
Further, the lower end of screw rod 7 is provided with through-hole, and gag lever post 9 is located in through-hole, is provided with spiral shell on the inner wall of sliding block 8
Line, and sliding block 8 is socketed on the outer surface of screw rod 7, a side external surface of sliding block 8 and the second support post 3 is welded to connect.
Further, transmission gear 14 engages connection, one end of rotation central axis 18 and tooth connection wheel disc with tooth connection wheel disc 16
16 are welded to connect, and the other end is placed on the outside of transmission gear outer housing 10 through tooth connection wheel disc fixing bearing 17.
Further, it is connected between handle 12 and rotation central axis 18 by rocker arm 11, improves the operation ease of the ladder.
Working principle: in use, being first moved to the ladder at specified position, swing handle 12, due to handle 12
One end is connected with rocker arm 11, and one end of rocker arm is connected with rotation central axis 18, and one end of rotation central axis 18 is connected with tooth connection wheel disc
16, tooth connection wheel disc 16 engages connection with transmission gear 14, and one end of transmission gear 14 is provided with screw rod 7, so shake handle
12 start turning screw rod 7, due to being welded with sliding block 8 on a side external surface of the second support post 3, in sliding block 8
It is provided with screw thread on wall, and screw rod 7 is through sliding block 8, so the rotation of screw rod 7 is so that sliding block 8 moves on screw rod 7, thus
It has driven the second support post 3 mobile, after the second support post 3 reaches designated position, has been placed on screw rod 7 by gag lever post 9
Through-hole in, the fixation of 7 position of screw rod that makes no longer rotates, and ensure that the position of the second support post 3 is fixed, improves the ladder
Security performance.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of ladder latching device, including the first support post (1), it is characterised in that: the one of first support post (1)
It is provided on side external surface the first support beam (2), the upper end of first support post (1) is provided with the second support post
(3), and the second support post (3) has two, and the second support cross is provided on a side external surface of second support post (3)
The top of beam (4), second support post (3) is provided with support beam (5), the upper end of first support post (1)
It being provided on one side external surface screw rod fixed block (6), the screw rod fixed block (6) is internally provided with fixing bearing (15),
The side of fixed bearing (15) is provided with screw rod (7), and the side of fixed bearing (15) is provided with sliding block (8),
The side of the sliding block (8) is provided with gag lever post (9), and the side of the gag lever post (9) is provided with transmission gear outer housing (10),
Fixing bearing (13) under being internally provided with of the transmission gear outer housing (10), the side setting of the lower fixing bearing (13)
Have transmission gear (14), the side of the transmission gear (14) is provided with tooth connection wheel disc (16), the tooth connection wheel disc (16)
Side be provided with tooth connection wheel disc fixing bearing (17), the side of the tooth connection wheel disc (16) is provided with rotation central axis
(18), one end of the rotation central axis (18) is provided with rocker arm (11), and one end of the rocker arm (11) is connected with handle (12).
2. a kind of ladder latching device according to claim 1, it is characterised in that: first support beam (2) and the
One support post (1) is fixedly connected by rivet, and second support beam (4) and the second support post (3) are solid by rivet
Fixed connection, the upper support beam (5) are fixedly connected with the second support post (3) by rivet.
3. a kind of ladder latching device according to claim 1, it is characterised in that: the inside of the screw rod fixed block (6)
It is arranged fluted, upper fixing bearing (15) is located in the groove of screw rod fixed block (6), and the screw rod (7) is through upper fixing axle
At the location mid-shaft for holding (15) and lower fixing bearing (13), one end of the transmission gear (14) and screw rod (7) is welded to connect.
4. a kind of ladder latching device according to claim 1, it is characterised in that: the lower end of the screw rod (7) is provided with
Through-hole, the gag lever post (9) are located in through-hole, screw thread are provided on the inner wall of the sliding block (8), and sliding block (8) is socketed in silk
On the outer surface of bar (7), a side external surface of sliding block (8) and the second support post (3) is welded to connect.
5. a kind of ladder latching device according to claim 1, it is characterised in that: the transmission gear (14) and tooth connection
Wheel disc (16) engagement connection, one end of the rotation central axis (18) and tooth connection wheel disc (16) are welded to connect, the other end through
Tooth connection wheel disc fixing bearing (17) is placed on the outside of transmission gear outer housing (10).
6. a kind of ladder latching device according to claim 1, it is characterised in that: the handle (12) and rotation central axis
(18) it is connected between by rocker arm (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422248.1A CN109322613B (en) | 2018-11-27 | 2018-11-27 | Ladder locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422248.1A CN109322613B (en) | 2018-11-27 | 2018-11-27 | Ladder locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109322613A true CN109322613A (en) | 2019-02-12 |
| CN109322613B CN109322613B (en) | 2020-03-24 |
Family
ID=65258067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811422248.1A Active CN109322613B (en) | 2018-11-27 | 2018-11-27 | Ladder locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109322613B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419361A (en) * | 2022-09-06 | 2022-12-02 | 贵州电网有限责任公司 | Multifunctional ladder with movable supporting point |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1088949A (en) * | 1996-09-12 | 1998-04-07 | Kazuo Yasunaga | Telescopic stepladder |
| CN2619040Y (en) * | 2003-06-05 | 2004-06-02 | 叶进文 | Joint improvement for ladder |
| CN201221308Y (en) * | 2008-07-08 | 2009-04-15 | 苏州宝富轻工制品有限公司 | Automatic latching mechanism of stairs |
| CN104612579A (en) * | 2015-03-02 | 2015-05-13 | 镇江博昊科技有限公司 | Multifunctional folding ladder |
| CN108468507A (en) * | 2018-02-05 | 2018-08-31 | 魏敏 | A kind of extension ladder |
-
2018
- 2018-11-27 CN CN201811422248.1A patent/CN109322613B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1088949A (en) * | 1996-09-12 | 1998-04-07 | Kazuo Yasunaga | Telescopic stepladder |
| CN2619040Y (en) * | 2003-06-05 | 2004-06-02 | 叶进文 | Joint improvement for ladder |
| CN201221308Y (en) * | 2008-07-08 | 2009-04-15 | 苏州宝富轻工制品有限公司 | Automatic latching mechanism of stairs |
| CN104612579A (en) * | 2015-03-02 | 2015-05-13 | 镇江博昊科技有限公司 | Multifunctional folding ladder |
| CN108468507A (en) * | 2018-02-05 | 2018-08-31 | 魏敏 | A kind of extension ladder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419361A (en) * | 2022-09-06 | 2022-12-02 | 贵州电网有限责任公司 | Multifunctional ladder with movable supporting point |
| CN115419361B (en) * | 2022-09-06 | 2023-11-17 | 贵州电网有限责任公司 | Multifunctional ladder with movable supporting point |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109322613B (en) | 2020-03-24 |
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