CN220203778U

CN220203778U - Hook ladder convenient to limit

Info

Publication number: CN220203778U
Application number: CN202321213701.4U
Authority: CN
Inventors: 张睿
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-12-19
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses a hook ladder convenient to limit. The utility model discloses a hook ladder convenient to limit, which can enable a second hook ladder to slide in a push-pull manner in a first hook ladder through a limiting groove formed in the second hook ladder, is not easy to misplace, can fix the second hook ladder in a groove through fixing blocks arranged on two sides of the second hook ladder after the second hook ladder is adjusted, can connect a plurality of fixing blocks through a connecting plate connected to the rear of the fixing blocks, plays a role in connection, can connect the connecting plate and the fixing blocks to form a telescopic structure through a spring arranged at the rear of the connecting plate, enables the fixing blocks to rebound, can fix hooks for the second time through fixing sleeves arranged on two sides of the second hook ladder, enables the hooks to be firmer, and finally can fix the fixing blocks to a certain extent through the grooves formed in the first hook ladder.

Description

Hook ladder convenient to limit

Technical Field

The utility model relates to the technical field of mechanical engineering, in particular to a hook ladder convenient to limit.

Background

Along with the development of building technology, because the floor of high-rise building is higher, so in case the floor of catching fire takes place at the high-rise, the platform fire engine of ascending a height, aerial ladder fire engine and current 15 meters metal pull ladder all can not reach the rescue floor, then need the fire control personnel to carry the fire couple ladder and climb to the floor of catching fire this time, put down fire couple ladder from the floor windowsill of catching fire or wall body again, the trapped personnel just can follow the fire couple ladder and go up and down to next floor to escape from disaster accident scene.

Through retrieving, the patent with the bulletin number of CN 108150092B discloses an adjustable couple cat ladder, proposes "including two vertical pole settings in both sides and a plurality of horizontal footboard, through bolt fixed connection between pole setting and the footboard, the pole setting be close to the inboard of footboard and be equipped with the recess, the pole setting outside cover is equipped with along the gliding slider of recess, the inside sleeve that is equipped with of slider, the slider passes through the sleeve and links to each other with the couple, couple and sleeve pass through threaded connection. The utility model can adjust the length and the direction of the hook, has simple structure, low price and wide application, can effectively prevent the ladder from sliding off in the hanging process, and enhances the operation safety.

Disclosure of Invention

The utility model provides a hook ladder convenient to limit, which is used for solving the problems that hooks in the device are not reinforced further and are firmer in the device through the description in the content in the background art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a couple ladder convenient to it is spacing, includes first couple ladder and stop gear of package, the internally connected of first couple ladder has the second couple ladder, the couple is installed to the both sides of second couple ladder, the spacing groove has been seted up to the second couple ladder inside, the fixed block is installed to the both sides of second couple ladder, the rear of fixed block is connected with the connecting plate, the inside of second couple ladder is equipped with stop gear.

Preferably, the second hook ladder is connected with the first hook ladder through a clamping groove, and the second hook ladder is arranged in the first hook ladder.

Preferably, the lugs are connected with the support rods through clamping grooves, and the lugs are arranged above the outer sides of the support rods.

Preferably, the rear of the connecting plate is connected with a spring, the two sides of the second hook ladder are provided with fixing sleeves, and the inside of the first hook ladder is provided with a groove.

Preferably, welding is adopted between the connecting plate and the fixed block, and the connecting plate is tightly attached to the fixed block.

Preferably, the spring is in threaded connection with the connecting plate, and the spring is arranged at the rear of the connecting plate.

Preferably, the fixing sleeve is connected with the second hook ladder through screws, and the fixing sleeve corresponds to the second hook ladder one by one.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model provides a couple ladder convenient to it is spacing, through seting up at the inside spacing groove of second couple ladder, can make second couple ladder push-and-pull in first couple ladder slide to this is adjusted it to be difficult for letting its second couple ladder misplace with first couple ladder, secondly through installing the spring at the connecting plate rear, can connect connecting plate and fixed block constitution extending structure, make the fixed block can rebound and stretch out and draw back.

2. Through the fixed cover of installing in the second couple ladder both sides, can carry out the further fixed to the couple, make its couple more firm, then through seting up the inside recess of first couple ladder, can let the fixed block card in recess department, make the difficult landing of second couple ladder.

Drawings

FIG. 1 is a schematic perspective view of a first hook ladder of the present utility model;

FIG. 2 is a schematic view of the internal structure of a second hook ladder of the present utility model;

FIG. 3 is an enlarged schematic view of the retaining sleeve of the present utility model;

FIG. 4 is a schematic diagram of a groove of the present utility model.

Reference numerals in the drawings: 1. a first hook ladder; 2. a second hook ladder; 3. a hook; 4. a limiting mechanism; 401. a limit groove; 402. a fixed block; 403. a connecting plate; 404. a spring; 405. a fixed sleeve; 406. a groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a hook ladder convenient to limit is disclosed, wherein a first hook ladder 1 and a limiting mechanism 4 are wrapped, a second hook ladder 2 is connected to the first hook ladder 1, hooks 3 are arranged on two sides of the second hook ladder 2, limiting grooves 401 are formed in the second hook ladder 2, fixing blocks 402 are arranged on two sides of the second hook ladder 2, a connecting plate 403 is connected to the rear of each fixing block 402, and a limiting mechanism 4 is arranged in the second hook ladder 2.

Further, be the draw-in groove between second couple ladder 2 and the first couple ladder 1 and be connected, second couple ladder 2 installs in the inside of first couple ladder 1, through installing second couple ladder, can lengthen and make things convenient for the use of first couple ladder.

Further, the hook 3 and the second hook ladder 2 are welded, the hook 3 is arranged on two sides of the second hook ladder 2, and the hook can be hung on the outer wall of a building or the outer side of a window through the installation of the hook.

Further, the rear of connecting plate 403 is connected with spring 404, fixed sleeve 405 is installed to the both sides of second couple ladder 2, recess 406 is seted up to the inside of first couple ladder 1, through seting up the spacing groove 401 in the inside of second couple ladder 2, can make second couple ladder 2 push-and-pull slide in first couple ladder 1, and be difficult for letting it misplace, then through installing fixed block 402 in second couple ladder 2 both sides, can be after second couple ladder 2 elongates and adjusts, be fixed in recess 406 through this fixed block 402 with second couple ladder 2, simultaneously through connecting plate 403 at the fixed block 402 rear, can be connected a plurality of fixed blocks 402, play the linking effect, secondly through installing spring 404 at the connecting plate 403 rear, can connect connecting plate 403 and fixed block 402 constitution extending structure, make the fixed block can rebound use, then through the fixed sleeve 405 of installing in second couple ladder 2 both sides, can carry out the secondary to couple 3 and fix the fixed block 402, finally through seting up in the inside recess 406 of first couple 1, can fix the fixed block 402 to a definite couple.

Further, welding is adopted between the connecting plate 403 and the fixing block 402, the connecting plate 403 is tightly attached to the fixing block 402, and a plurality of fixing blocks 402 can be connected by installing the connecting plate 403, so that a connecting effect is achieved.

Further, the spring 404 is in threaded connection with the connecting plate 403, the spring 404 is mounted at the rear of the connecting plate 403, and the connecting plate 403 and the fixing block 402 can be connected to form a telescopic structure by mounting the spring 404, so that the fixing block 402 can be used in a rebound mode.

Further, be screw connection between fixed cover 405 and the second couple ladder 2, fixed cover 405 corresponds with second couple ladder 2 one-to-one, through installing fixed cover 405, can carry out the secondary to couple 3 and fix, makes it more firm.

Working principle: when the hook ladder convenient to limit is needed to be used, firstly, the second hook ladder 2 can slide in the first hook ladder 1 in a pushing and pulling manner through the limit groove 401 formed in the second hook ladder 2, the second hook ladder is difficult to misplace, then, the second hook ladder 2 can be fixed in the groove 406 through the fixed block 402 after the second hook ladder 2 is elongated and adjusted, meanwhile, the plurality of fixed blocks 402 can be connected through the connecting plate 403 connected to the rear of the fixed block 402, the connecting plate 403 can be connected with the fixed block 402 to form a telescopic structure through the spring 404 mounted at the rear of the connecting plate 403, the fixed block 402 can be used in a rebound manner, then, the hook 3 can be secondarily fixed through the fixed sleeves 405 mounted on the two sides of the second hook ladder 2, the hook 3 is firmer, and finally, the fixed block 402 can be fixed to a certain extent through the groove 406 formed in the first hook ladder 1, so that the use process of the hook convenient to limit is completed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Couple ladder convenient to it is spacing, package first couple ladder (1) and stop gear (4), its characterized in that: the inside of first couple ladder (1) has second couple ladder (2), couple (3) are installed to the both sides of second couple ladder (2), spacing groove (401) have been seted up to the inside of second couple ladder (2), fixed block (402) are installed to the both sides of second couple ladder (2), the rear of fixed block (402) is connected with connecting plate (403), the inside of second couple ladder (2) is equipped with stop gear (4).

2. The hook ladder convenient to limit according to claim 1, wherein the second hook ladder (2) is connected with the first hook ladder (1) through a clamping groove, and the second hook ladder (2) is arranged in the first hook ladder (1).

3. The hook ladder convenient to limit according to claim 1, wherein welding is adopted between the hook (3) and the second hook ladder (2), and the hook (3) is arranged on two sides of the second hook ladder (2).

4. The hook ladder convenient to limit according to claim 1, characterized in that a spring (404) is connected to the rear of the connecting plate (403), fixing sleeves (405) are arranged on two sides of the second hook ladder (2), and grooves (406) are formed in the first hook ladder (1).

5. The hook ladder convenient to limit according to claim 4, wherein welding is adopted between the connecting plate (403) and the fixing block (402), and the connecting plate (403) is tightly attached to the fixing block (402).

6. The hook ladder convenient to limit according to claim 4, wherein the springs (404) are in threaded connection with the connecting plate (403), and the springs (404) are mounted at the rear of the connecting plate (403).

7. The hook ladder convenient to limit according to claim 4, wherein the fixing sleeve (405) is connected with the second hook ladder (2) through screws, and the fixing sleeve (405) corresponds to the second hook ladder (2) one by one.