CN211598494U

CN211598494U - A-frame convenient to fix on ladder

Info

Publication number: CN211598494U
Application number: CN201922129032.2U
Authority: CN
Inventors: 余李华
Original assignee: Foshan Guangyibai Metal Products Co ltd
Current assignee: Foshan Guangyibai Metal Products Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-09-29
Anticipated expiration: 2029-12-03

Abstract

The utility model belongs to the technical field of cat ladder appurtenance, especially, be an A-frame convenient to fix on ladder, including supporting mobile jib, first horizontal pole, first regulation pole, second horizontal pole, catch, go up snap ring and latched device down, first horizontal pole rotates to be installed on the top of supporting the mobile jib, first regulation pole rotates to be installed on supporting the mobile jib, the second is adjusted the pole and is rotated to be installed on supporting the mobile jib, first regulation pole and second are adjusted the pole and are articulated mutually, the second horizontal pole rotates to be installed in the one end of second regulation pole, and two pairs of lower snap rings rotate respectively to be installed on first horizontal pole and second horizontal pole, it rotates to install under on the catch to go up the snap ring, latched device installs respectively under on catch and the catch. The utility model discloses a latched device can let the quick ladder of fixing to of A-frame, compares in the mode of screw fixation more simple and convenient.

Description

A-frame convenient to fix on ladder

Technical Field

The utility model relates to a cat ladder appurtenance technical field especially relates to a A-frame convenient to fix on ladder.

Background

Ladder, daily life apparatus, this instrument are done the limit by two long thick poles, and the middle horizontal pole that is fit for the climbing that crosses for climbing, the ladder divide into lift single ladder and lift double ladder, in order to guarantee the steadiness of ladder when using, a lot of ladders all can install the upper triangular bracket, and a lot of triangular brackets all are direct fixed mounting on the ladder at present, but for the transportation and the accomodating of convenient ladder, the triangular bracket on some ladders can be dismantled.

However, in the prior art, such a detachable triangular bracket is generally fixed by screws, and the manner of fixing the screws is cumbersome, and tools such as a screwdriver are also needed, so that the triangular bracket is inconvenient to fix with the ladder.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a triangular bracket convenient to fix on a ladder.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a triangular support convenient to fix on a ladder comprises a supporting main rod, a first cross rod, a first adjusting rod, a second cross rod, a lower lock ring, an upper lock ring and a locking mechanism, wherein the first cross rod is rotatably installed at the top end of the supporting main rod, the first adjusting rod is rotatably installed on the supporting main rod, the second adjusting rod is rotatably installed on the supporting main rod, the first adjusting rod and the second adjusting rod are hinged, the second cross rod is rotatably installed at one end of the second adjusting rod, two pairs of lower lock rings are respectively rotatably installed on the first cross rod and the second cross rod, the upper lock ring is rotatably installed on the lower lock ring, and the locking mechanism is respectively installed on the lower lock ring and the upper lock ring; the locking mechanism comprises a clamping groove formed in a lower locking ring, clamping grooves are formed in inner walls of two sides of the clamping groove, one end of the upper locking ring is slidably mounted in the clamping groove, grooves are formed in two sides of the upper locking ring, a clamping block is slidably mounted in the grooves, one side of the clamping block extends into the corresponding clamping groove and is slidably connected with the clamping groove, a spring is fixedly mounted on an inner wall of one side of each groove, the other end of the spring is fixedly connected with one side of the clamping block, the spring is slidably connected with the grooves, a cavity is formed in the upper locking ring, a driving rod is rotatably mounted in the cavity, the top end of the driving rod extends out of the cavity, a steel wire wheel is fixedly sleeved on the driving rod, two steel wires are wound on the steel wire wheel, and one ends of the two steel wires extend into the corresponding grooves respectively.

Preferably, the top inner wall and the bottom inner wall of the groove are both provided with limiting sliding grooves, limiting sliding blocks are arranged in the limiting sliding grooves in a sliding mode, and one side of each limiting sliding block extends to the outside of the corresponding limiting sliding groove and is fixedly connected with the corresponding clamping block.

Preferably, a rotating groove is formed in the inner wall of the bottom of the cavity, and the bottom end of the driving rod extends into the rotating groove and is rotatably connected with the rotating groove.

Preferably, a rotating through hole is formed in the inner wall of the top of the cavity, and the driving rod is rotatably connected with the rotating through hole.

Preferably, steel wire holes are formed between the cavity and the two grooves, and the two steel wires are respectively in sliding connection with the corresponding steel wire holes.

Preferably, the top end of the driving rod is fixedly provided with a rotating disc, and the stiffness coefficient of the spring ranges from 20N/m to 50N/m.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device is matched with a lower locking ring, a clamping groove, an upper locking ring, a groove, a clamping block and a spring, when a locking mechanism on the upper locking ring starts to enter the clamping groove, the inner wall of the clamping groove extrudes the clamping block, the clamping block extrudes the spring and enters the groove, and after the locking mechanism on the upper locking ring completely enters the clamping groove, the clamping block enters the clamping groove under the action of the spring to complete clamping, so that the fixing work between the triangular bracket and the ladder is completed;

the clamping block, the spring, the driving rod, the steel wire wheel and the steel wire are matched, the driving rod is rotated through the rotating disc, the driving rod drives the steel wire wheel to rotate, the steel wire wheel starts to contract two steel wires simultaneously through rotation, the steel wire pulls the clamping block to withdraw from the clamping groove, and then the locking mechanism and the clamping groove on the upper locking ring are separated, so that the disassembly work between the triangular bracket and the ladder is completed.

The utility model discloses a latched device can let the quick ladder of fixing to of A-frame, compares in the mode of screw fixation more simple and convenient.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is an assembly view of the mounting structure of fig. 2.

In the figure: 1. supporting the main rod; 2. a first cross bar; 3. a first adjusting lever; 4. a second adjusting lever; 5. a second cross bar; 6. a lower lock ring; 7. a clamping groove; 8. a card slot; 9. an upper lock ring; 10. a groove; 11. a clamping block; 12. a spring; 13. a cavity; 14. a drive rod; 15. a wire wheel; 16. a steel wire; 17. a locking mechanism.

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 work belong to the protection scope of the present invention.

Referring to fig. 1 to fig. 3, the present invention provides a technical solution: a kind of triangular bracket easy to fix on ladder, including supporting the king post 1, the first cross bar 2, the first adjusts the pole 3, the second adjusts the pole 4, the second cross bar 5, the lower lock ring 6, upper lock ring 9 and locking mechanism 17, the first cross bar 2 is installed on top of the supporting king post 1 rotatably, the first adjusts the pole 3 and is installed on supporting the king post 1 rotatably, the second adjusts the pole 4 and is installed on supporting the king post 1 rotatably, the first adjusts the pole 3 and the second adjusts the pole 4 to articulate, the second cross bar 5 is installed on one end of the second adjusts the pole 4 rotatably, two pairs of lower lock rings 6 are installed on first cross bar 2 and second cross bar 5 rotatably respectively, the upper lock ring 9 is installed on lower lock ring 6 rotatably, the locking mechanism 17 is installed on lower lock ring 6 and upper lock ring 9 respectively; the locking mechanism 17 comprises a clamping groove 7 formed in the lower locking ring 6, clamping grooves 8 are formed in inner walls of two sides of the clamping groove 7, one end of an upper locking ring 9 is slidably mounted in the clamping groove 8, grooves 10 are formed in two sides of the upper locking ring 9, a clamping block 11 is slidably mounted in each groove 10, one side of each clamping block 11 extends into the corresponding clamping groove 8 and is slidably connected with the corresponding clamping groove 8, a spring 12 is fixedly mounted on an inner wall of one side of each groove 10, the other end of the spring 12 is fixedly connected with one side of the corresponding clamping block 11, the spring 12 is slidably connected with the corresponding groove 10, a cavity 13 is formed in the upper locking ring 9, a driving rod 14 is rotatably mounted in the cavity 13, the top end of the driving rod 14 extends out of the cavity 13, a steel wire wheel 15 is fixedly sleeved on the driving rod 14, two steel wires 16 are wound on the steel wire wheel 15;

the inner walls of the top and the bottom of the grooves 10 are both provided with a limiting sliding groove, a limiting sliding block is slidably mounted in the limiting sliding groove, one side of the limiting sliding block extends out of the limiting sliding groove and is fixedly connected with the clamping block 11, the inner wall of the bottom of the cavity 13 is provided with a rotating groove, the bottom end of the driving rod 14 extends into the rotating groove and is rotatably connected with the rotating groove, the inner wall of the top of the cavity 13 is provided with a rotating through hole, the driving rod 14 is rotatably connected with the rotating through hole, steel wire holes are respectively arranged between the cavity 13 and the two grooves 10, the two steel wires 16 are respectively and slidably connected with the corresponding steel wire holes, the top end of the driving rod 14 is fixedly provided with a rotating disc, the stiffness coefficient range of the spring 12 is 20N/m to 50N/m, and when the locking mechanism 17 on the upper locking ring 9 starts to enter the clamping groove 7 through the lower locking ring 6, the inner wall of the clamping groove 7 extrudes the clamping block 11, the clamping block 11 extrudes the spring 12 and enters the groove 10, when the locking mechanism 17 on the upper locking ring 9 completely enters the clamping groove 7, the clamping block 11 enters the clamping groove 8 under the action of the spring 12 to complete clamping, thereby completing the fixing work between the triangular bracket and the ladder, through the cooperation of the clamping block 11, the spring 12, the driving rod 14, the wire wheel 15 and the wire 16, the driving rod 14 is rotated by the rotating disc, the driving rod 14 drives the steel wire wheel 15 to rotate, the steel wire wheel 15 starts to simultaneously contract two steel wires 16 by rotation, the steel wires 16 pull the clamping blocks 11 to exit from the clamping grooves 8, then will go up catch mechanism 17 and the separation of block groove 7 on the catch 9 to accomplished the dismantlement work between A-frame and the ladder, the utility model discloses a catch mechanism 17 can let the quick ladder of fixing to of A-frame, compares in the mode of screw fixation more simple and convenient.

The working principle is as follows: when the triangular bracket is used, two pairs of lower lock rings 6 are respectively placed on corresponding ladder rods, then the corresponding upper lock rings 9 are rotated, so that the locking mechanisms 17 on the upper lock rings 9 enter the clamping grooves 7, when the locking mechanisms 17 on the upper lock rings 9 start to enter the clamping grooves 7, the inner walls of the clamping grooves 7 extrude the fixture blocks 11, the fixture blocks 11 extrude the springs 12 and enter the grooves 10, after the locking mechanisms 17 on the upper lock rings 9 completely enter the clamping grooves 7, the fixture blocks 11 enter the clamping grooves 8 under the action of the springs 12 to complete clamping, thereby completing the fixing work between the triangular bracket and the ladder, when the triangular bracket needs to be detached from the ladder, the driving rod 14 is rotated through the rotating disc, the driving rod 14 drives the steel wire wheel 15 to rotate, the steel wire wheel 15 simultaneously shrinks two steel wires 16 through rotation, the steel wires 16 pull the fixture blocks 11 to exit the clamping grooves 8, and then the locking mechanisms 17 on the upper lock rings 9 are separated from the clamping grooves 7, therefore, the disassembly work between the triangular support and the ladder is completed, and the triangular support and the ladder are fixed more simply and conveniently through the structure.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism and the control system of the device are not completely described, and those skilled in the art can clearly know the specifics of the power mechanism and the control system thereof on the premise that those skilled in the art understand the principle of the present invention.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a A-frame convenient to fix on ladder which characterized in that: comprises a supporting main rod (1), a first cross rod (2), a first adjusting rod (3), a second adjusting rod (4), a second cross rod (5), a lower lock ring (6), an upper lock ring (9) and a locking mechanism (17), the first cross rod (2) is rotatably arranged at the top end of the supporting main rod (1), the first adjusting rod (3) is rotatably arranged on the supporting main rod (1), the second adjusting rod (4) is rotatably arranged on the supporting main rod (1), the first adjusting rod (3) is hinged with the second adjusting rod (4), the second cross bar (5) is rotatably arranged at one end of the second adjusting bar (4), the two pairs of lower lock rings (6) are respectively rotatably arranged on the first cross bar (2) and the second cross bar (5), the upper lock ring (9) is rotatably arranged on the lower lock ring (6), and the locking mechanisms (17) are respectively arranged on the lower lock ring (6) and the upper lock ring (9);

the locking mechanism (17) comprises a clamping groove (7) formed in the lower locking ring (6), clamping grooves (8) are formed in inner walls of two sides of the clamping groove (7), one end of the upper locking ring (9) is slidably mounted in the clamping groove (8), grooves (10) are formed in two sides of the upper locking ring (9), a clamping block (11) is slidably mounted in each groove (10), one side of each clamping block (11) extends into the corresponding clamping groove (8) and is slidably connected with the corresponding clamping groove (8), a spring (12) is fixedly mounted on the inner wall of one side of each groove (10), the other end of each spring (12) is fixedly connected with one side of each clamping block (11), each spring (12) is slidably connected with each groove (10), a cavity (13) is formed in the upper locking ring (9), a driving rod (14) is rotatably mounted in each cavity (13), and the top end of each driving rod (14) extends out of each cavity (13), the driving rod (14) is fixedly sleeved with a steel wire wheel (15), the steel wire wheel (15) is wound with two steel wires (16), and one ends of the two steel wires (16) respectively extend into the corresponding grooves (10) and are fixedly connected with the clamping blocks (11).

2. A tripod for facilitating securement to a ladder as claimed in claim 1, wherein: spacing spout has all been seted up on the top inner wall of recess (10) and the bottom inner wall, slidable mounting has spacing slider in the spacing spout, one side of spacing slider extend outside the spacing spout and with fixture block (11) fixed connection.

3. A tripod for facilitating securement to a ladder as claimed in claim 1, wherein: the bottom inner wall of the cavity (13) is provided with a rotating groove, and the bottom end of the driving rod (14) extends into the rotating groove and is rotatably connected with the rotating groove.

4. A tripod for facilitating securement to a ladder as claimed in claim 1, wherein: the top inner wall of the cavity (13) is provided with a rotating through hole, and the driving rod (14) is rotatably connected with the rotating through hole.

5. A tripod for facilitating securement to a ladder as claimed in claim 1, wherein: steel wire holes are formed between the cavity (13) and the two grooves (10), and the two steel wires (16) are respectively in sliding connection with the corresponding steel wire holes.

6. A tripod for facilitating securement to a ladder as claimed in claim 1, wherein: the top end of the driving rod (14) is fixedly provided with a rotating disc, and the stiffness coefficient of the spring (12) ranges from 20N/m to 50N/m.