CN215552881U - Locking mechanism of built-in cat ladder of communication command car side pull platform - Google Patents

Abstract

The utility model relates to a locking mechanism for a built-in ladder stand of a side-pull platform of a communication command vehicle, which comprises the side-pull platform, wherein a movable ladder stand is arranged in the side-pull platform, the movable ladder stand comprises a pedal and supporting legs arranged on two sides of the pedal, track bearing plates are arranged on two sides of the side-pull platform, a limiting plate is arranged in the track bearing plates, a pulley track is arranged below the limiting plate, a pulley matched with the pulley track is arranged on the supporting leg, a self-locking index pin is arranged at the bottom of the supporting leg, and a through hole matched with the self-locking index pin is formed in the bottom of the limiting plate. According to the utility model, the knob of the self-locking indexing pin is rotated to enable the pin bolt to penetrate into the through hole, so that the movable ladder stand is locked; when the knob is pulled upwards and rotated, the locking can be released, the locking is realized only through the self-locking indexing pin and the limiting plate, the rest space of the movable ladder stand is not occupied, the overall attractive effect is increased, and the movable ladder stand is simple in structure and convenient to detach.

Description

Locking mechanism of built-in cat ladder of communication command car side pull platform

Technical Field

The utility model relates to the technical field of ladder locking of communication command vehicles, in particular to a locking mechanism of a built-in ladder of a side-pulling platform of a communication command vehicle.

Background

In the field of public safety, communication command vehicles are often used to handle sudden public safety events. The communication command vehicle is used as an extension of the application of a public security emergency command system and is mainly used for command scheduling and communication guarantee in the fields of major emergencies, emergency rescue and relief work and the like. Can set up portable cat ladder in the side draw platform of communication command car, can pull out portable cat ladder when needs and use, can accomodate portable cat ladder to the side after the use is accomplished in drawing the platform, at this moment, need lock portable cat ladder to prevent that cat ladder round trip movement from causing the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, a locking mechanism of a built-in ladder stand of a side pull platform of a communication command vehicle is provided to solve the problems in the background technology. The utility model has reasonable structure, and compared with other locking methods, the utility model has the characteristics of simple structure, low cost, convenient installation, space saving, convenient disassembly, beautiful appearance, reliability and the like.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a locking mechanical system of built-in cat ladder of communication command car side draw platform, draws the platform including the side, the side is drawn the platform and is built-in to have portable cat ladder, portable cat ladder includes the footboard and sets up the supporting leg in the footboard both sides, the side is drawn the platform both sides and is provided with the track carrier plate, be provided with the limiting plate in the track carrier plate, the limiting plate below is the pulley track, be provided with on the supporting leg with pulley track matched with pulley, the self-locking index pin is installed to the supporting leg bottom, the through-hole with self-locking index pin looks adaptation is seted up to the limiting plate bottom.

As a further technical scheme of the utility model: the self-locking index pin comprises a cylindrical sleeve-shaped pin bolt guiding device and a pin bolt which is movably arranged in the pin bolt guiding device, wherein one end of the pin bolt is fixedly connected with a knob, the lower end of the knob is fixedly connected with a clamping block, the pin bolt guiding device comprises a clamping groove seat, a clamping groove matched with the clamping block is formed in the clamping groove seat, a hollow bolt is arranged at the lower end of the clamping groove seat in a fixed connection mode, the pin bolt can penetrate through the hollow bolt, a nut is connected to the outer side of the hollow bolt in a threaded mode, a spring is sleeved on the lower portion of the pin bolt in a sleeved mode, one end of the spring is fixedly connected with the clamping groove seat, the other end of the spring abuts against a limiting block, and the limiting block is fixedly sleeved on the outer side of the pin bolt.

The utility model has the beneficial effects that:

according to the utility model, the self-locking index pin is arranged at the bottom of the supporting leg, the through hole matched with the self-locking index pin is formed at the bottom of the limiting plate, and after the movable crawling ladder is retracted into the side-pulling platform, the knob of the self-locking index pin is rotated to enable the pin bolt to penetrate through the through hole after penetrating through the hollow bolt, so that the movable crawling ladder is locked, and the potential safety hazard caused by the reciprocating movement of the movable crawling ladder is prevented; when the knob is pulled up and rotated again, the locking can be released. The movable ladder stand is simple in structure, is realized only through the self-locking indexing pin and the limiting plate, does not occupy the rest space of the movable ladder stand, increases the overall attractive effect, and is convenient to install, space-saving, convenient to disassemble, attractive and reliable.

Drawings

FIG. 1 is a schematic view of the main structure of a movable ladder stand after being pulled out of a side pulling platform;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view of the main structure of the locking mechanism after the movable ladder stand is retracted into the side pulling platform;

FIG. 4 is a schematic view of the main structure of the unlocked self-locking index pin;

fig. 5 is a schematic view of the main structure of the self-locking index pin during locking.

In the figure: the device comprises a 1-side pull platform, a 2-movable ladder stand, a 3-pedal, a 4-supporting leg, a 5-track bearing plate, a 6-limiting plate, a 7-pulley track, an 8-pulley, a 9-self-locking index pin, a 10-pin bolt, a 11-knob, a 12-fixture block, a 13-fixture groove seat, a 14-fixture groove, a 15-hollow bolt, a 16-nut, a 17-spring and a 18-limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a locking mechanism of built-in cat ladder of communication command car side-pull platform, including side-pull platform 1, be provided with portable cat ladder 2 in the side-pull platform 1, portable cat ladder 2 includes footboard 3 and sets up supporting leg 4 in footboard 3 both sides, and side-pull platform 1 both sides are provided with track carrier plate 5, are provided with limiting plate 6 in the track carrier plate 5, and limiting plate 6 below is pulley track 7, is provided with on the supporting leg 4 with pulley track 7 matched with pulley 8, and pulley 8 slides along pulley track 7.

Self-locking index pin 9 is installed at the bottom of supporting leg 4, self-locking index pin 9 includes that columniform is the cotter pin guider of cover tubulose and movably is laid cotter pin 10 in cotter pin guider, cotter pin 10 one end fixed connection knob 11, 11 lower extreme fixed connection fixture blocks 12 of knob, cotter pin guider includes draw-in groove seat 13, draw-in groove 14 with fixture block 12 matched with is seted up to draw-in groove seat 13, draw-in groove seat 13 lower extreme fixed connection hollow bolt 15, cotter pin 10 lower extreme can wear out hollow bolt 15, hollow bolt 15 outside threaded connection nut 16, cotter pin 10 lower part ring cover has spring 17, spring 17 one end fixed connection draw-in groove seat 13, the spring 17 other end supports on stopper 18, stopper 18 is fixed the ring cover in the cotter pin 10 outside. The bottom of the limiting plate 6 is provided with a through hole matched with the self-locking indexing pin 9, and when the pin bolt 10 penetrates out of the hollow bolt 15 and then penetrates into the through hole, the movable ladder stand 2 is locked.

The specific implementation mode of the utility model is as follows:

when in use, the pin bolt 10 is firstly arranged at the bottom of the supporting leg 4, and as shown in figure 2, the self-locking index pin 9 penetrates out of the supporting leg 4 and then is locked by the nut 16. When the movable ladder stand 2 is retracted into the side pulling platform 1 (figure 3), the knob 11 is rotated, the knob 11 and the pin bolt 10 move downwards, the clamping block 12 is clamped into the clamping groove 14 (figure 5), the spring 17 relaxes, and the pin bolt 10 penetrates through the through hole after penetrating through the hollow bolt 15.

When the locking device is in contact locking, the knob 11 is pulled upwards, the fixture block 12 is withdrawn from the clamping groove 14, the knob 11 and the pin bolt 10 move upwards, the knob 11 (shown in figure 4) is rotated, the fixture block 12 is clamped on the clamping groove seat 13, the spring 17 is compressed, and the pin bolt 10 moves into the hollow bolt 15 to be in contact locking.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (2)

1. The utility model provides a locking mechanical system of built-in cat ladder of communication command car side draw platform, includes side draw platform (1), be provided with portable cat ladder (2) in the side draw platform (1), portable cat ladder (2) include footboard (3) and set up supporting leg (4) in footboard (3) both sides, its characterized in that: side draw platform (1) both sides to be provided with track carrier plate (5), be provided with limiting plate (6) in track carrier plate (5), limiting plate (6) below is pulley track (7), be provided with on supporting leg (4) with pulley track (7) matched with pulley (8), supporting leg (4) bottom installation auto-lock index pin (9), limiting plate (6) bottom is seted up with the through-hole of auto-lock index pin (9) looks adaptation.

2. The locking mechanism of the built-in ladder stand of the side-pulling platform of the communication command vehicle as claimed in claim 1, is characterized in that: the self-locking indexing pin (9) comprises a cylindrical, sleeve-shaped pin guide and a pin (10) which is movably arranged in the pin guide, one end of the pin bolt (10) is fixedly connected with a knob (11), the lower end of the knob (11) is fixedly connected with a clamping block (12), the pin bolt guiding device comprises a clamping groove seat (13), the clamping groove seat (13) is provided with a clamping groove (14) matched with the clamping block (12), the lower end of the clamping groove seat (13) is fixedly connected with a hollow bolt (15), the pin bolt (10) can penetrate through the hollow bolt (15), a nut (16) is connected with the outer side of the hollow bolt (15) in a threaded manner, a spring (17) is sleeved on the lower part of the pin bolt (10) in a sleeved manner, spring (17) one end fixed connection draw-in groove seat (13), spring (17) other end supports on stopper (18), stopper (18) are fixed the solid fixed ring and are overlapped in the cotter (10) outside.

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