CN218470784U - Automatic concertina type safety foot rest - Google Patents

Abstract

The utility model provides an automatic concertina type safety foot rest of change composition partial volume equipment technical field, include: an inverted U-shaped bracket; the two telescopic rolling assemblies are respectively arranged at the bottom ends of the two end parts of the inverted U-shaped bracket; the telescopic rolling assembly comprises: the guide seat is provided with a non-circular through hole in the middle part from top to bottom in a penetrating manner and is detachably connected with the bottom end of the end part of the inverted U-shaped bracket; a fixing plate; a caster detachably connected to the bottom end of the fixed plate; the bottom end of the guide rod is detachably connected with the top end of the fixing plate, the shape of the guide rod is matched with that of the through hole, the outer diameter of the guide rod is smaller than the inner diameter of the through hole, and the guide rod penetrates through the through hole; and the end cover is arranged at the upper end of the guide seat, is detachably connected with the top end of the guide rod, and has an outer diameter larger than the inner diameter of the through hole. The utility model has the advantages that: the safety of foot rest use has greatly been promoted.

Description

Automatic concertina type safety foot rest

Technical Field

The utility model relates to a change into partial volume equipment technical field, indicate an automatic concertina type safety foot rest very much.

Background

In the production process of the square battery cell, batch formation activation of the square battery cell needs to be carried out by using formation and partial volume test equipment, namely, accurate and stable voltage and current are loaded between a positive pole column and a negative pole column of the square battery cell so as to ensure that the interior of the square battery cell is stably and fully activated and form a stable and virtuous-cycle electrochemical reaction; the capacity grading is a cell capacity testing process, the current value and the voltage value of the square cell in the charging and discharging process along with the time change are accurately recorded by the component capacity testing equipment, and the accurate cell capacity is tested according to a current-voltage-time curve.

After the capacity grading test of the battery cell is finished, a part of square battery cells with unqualified battery cell capacity exist, the unqualified square battery cells need to be selected, and the battery cells are placed into a manual capacity testing machine for carrying out the charge-discharge test again to determine whether the battery cells are qualified. Before the manual capacity tester tests, the square battery cell needs to be loaded on an internal tray, and then various tests are carried out. Because square electricity core and tray are all very heavy, need be undetachable with the tray design, and use the foot rest to support the tray, the foot rest is fixed in on the tray and gets into manual capacity test machine along with the tray together, need raise the tray during test so that square electricity core contacts the probe module, this process foot rest also can be raised together, it can produce certain space to raise between foot rest bottom and the ground after, limbs such as foot or hand can be held in this space, if personnel's limbs get into this space just, when the foot rest that is lifted falls, must produce serious injury to the limbs of mistake income this space.

Therefore, how to provide an automatic retractable safety stand to improve the safety of the stand becomes a technical problem to be solved urgently.

Disclosure of Invention

The to-be-solved technical problem of the utility model lies in providing an automatic concertina type safety foot rest, realizes promoting the security that the foot rest used.

The utility model discloses a realize like this: an automatic telescopic safety stand, comprising:

an inverted U-shaped bracket;

the two telescopic rolling assemblies are respectively arranged at the bottom ends of the two end parts of the inverted U-shaped bracket;

the telescopic rolling assembly comprises:

the middle part of the guide seat is provided with a non-circular through hole in a penetrating way from top to bottom and is detachably connected with the bottom end of the end part of the inverted U-shaped bracket;

a fixed plate;

a caster detachably connected to the bottom end of the fixed plate;

the bottom end of the guide rod is detachably connected with the top end of the fixing plate, the shape of the guide rod is matched with that of the through hole, the outer diameter of the guide rod is smaller than the inner diameter of the through hole, and the guide rod penetrates through the through hole;

and the end cover is arranged at the upper end of the guide seat, detachably connected with the top end of the guide rod, and the outer diameter of the end cover is larger than the inner diameter of the through hole.

Furthermore, a plurality of mounting holes are formed in the top end of the inverted U-shaped support.

Further, still include:

the guide seat is detachably connected with the inverted U-shaped support through screws, the caster is detachably connected with the fixed plate through screws, and the guide rod is detachably connected with the fixed plate and the end cover through screws.

The utility model has the advantages of:

set up a flexible roll subassembly respectively through the bottom at two tip of type of falling U support, the guide arm of flexible roll subassembly can freely stretch out and draw back in the guide holder, and carry on spacingly through the end cover on top, and the tip of type of falling U support is located to the guide holder, the bottom of guide arm is located through the fixed plate to the truckle, when the safety foot rest is raised promptly, the truckle keeps the contact with ground under self action of gravity, make limbs can't get into between truckle and the ground, and then the very big security that has promoted the foot rest and use.

Drawings

The present invention will be further described with reference to the following examples and drawings.

Fig. 1 is a schematic structural view of an automatic telescopic safety foot stool of the present invention.

Fig. 2 is a front view of the automatic retractable safety foot stool of the present invention.

Fig. 3 is an exploded view of an automatic retractable safety stand according to the present invention.

Description of the labeling:

100-an automatic telescopic safety foot rest, 1-an inverted U-shaped support, 2-a telescopic rolling assembly, 11-mounting holes, 12-reinforcing ribs, 21-a guide seat, 22-a fixing plate, 23-truckles, 24-a guide rod, 25-an end cover, 26-screws and 211-through holes.

Detailed Description

The embodiment of the utility model provides an through providing an automatic concertina type safety foot rest 100, solved among the prior art tray and raised together with the foot rest when raising, can produce certain space between messenger's foot rest bottom and the ground, personnel's limbs mistake is gone into this space and probably is injured, has the technical problem of potential safety hazard, has realized very big promotion the technological effect of the security that the foot rest used.

The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking is as follows: the casters 23 are freely retractable, and when the safety stand 100 is raised, the casters 23 keep contact with the ground under the action of self gravity, so that the use safety of the stand 100 is improved.

For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.

Referring to fig. 1 to 3, a preferred embodiment of an automatic retractable safety stand 100 of the present invention includes:

an inverted U-shaped bracket 1 for supporting the safety stand 100;

the two telescopic rolling assemblies 2 are respectively arranged at the bottom ends of the two end parts of the inverted U-shaped bracket 1;

the telescopic rolling assembly 2 comprises:

a non-circular through hole 211 is arranged in the middle of the guide seat 21 from top to bottom in a penetrating manner, is detachably connected with the bottom end of the end part of the inverted U-shaped support 1 and is lifted along with the inverted U-shaped support 1;

a fixing plate 22 for connecting the caster 23 and the guide bar 24 such that the caster 23 and the guide bar 24 have the same degree of freedom;

a caster 23 detachably coupled to a lower end of the fixing plate 22 for providing a supporting force and facilitating movement of the safety stand 100;

a guide rod 24, the bottom end of which is detachably connected with the top end of the fixing plate 22, the shape of which is matched with that of the through hole 211, the outer diameter of which is smaller than the inner diameter of the through hole 211, and which penetrates through the through hole 211; the shape of the guide rod 24 is matched with that of the through hole 211, and the through hole 211 is non-circular, so that the guide rod 24 can only axially slide in the through hole 211, and the guide rod 24 is prevented from rotating;

and the end cover 25 is arranged at the upper end of the guide seat 21, is detachably connected with the top end of the guide rod 24, has an outer diameter larger than the inner diameter of the through hole 211, and is used for limiting the guide rod 24 to fall off.

The top end of the inverted U-shaped support 1 is provided with a plurality of mounting holes 11, and the middle part of the inverted U-shaped support is provided with a reinforcing rib 12.

Further comprising:

the guide seat 21 is detachably connected with the inverted-U-shaped bracket 1 through the screws 26, the caster 23 is detachably connected with the fixed plate 22 through the screws 26, and the guide rod 24 is detachably connected with the fixed plate 22 and the end cover 25 through the screws 26.

The utility model discloses the theory of operation:

when the inverted U-shaped bracket 1 is lifted, the guide base 21 is lifted together, and since the outer diameter of the guide rod 24 is smaller than the inner diameter of the through hole 211 of the guide base 21, and the caster 23 is arranged at the bottom end of the guide rod 24 through the fixing plate 22, the caster 23 is not constrained by the lifting of the guide base 21 in the vertical direction, and keeps in contact with the ground under the action of the self gravity.

To sum up, the utility model has the advantages of:

set up a flexible roll subassembly respectively through the bottom at two tip of type of falling U support, the guide arm of flexible roll subassembly can freely stretch out and draw back in the guide holder, and carry on spacingly through the end cover on top, and the tip of type of falling U support is located to the guide holder, the bottom of guide arm is located through the fixed plate to the truckle, when the safety foot rest is raised promptly, the truckle keeps the contact with ground under self action of gravity, make limbs can't get into between truckle and the ground, and then the very big security that has promoted the foot rest and use.

Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.

Claims (3)

1. The utility model provides an automatic concertina type safety foot rest which characterized in that: the method comprises the following steps:

an inverted U-shaped bracket;

the two telescopic rolling assemblies are respectively arranged at the bottom ends of the two end parts of the inverted U-shaped bracket;

the telescopic rolling assembly comprises:

the guide seat is provided with a non-circular through hole in the middle part from top to bottom in a penetrating manner and is detachably connected with the bottom end of the end part of the inverted U-shaped bracket;

a fixing plate;

a caster detachably connected to the bottom end of the fixed plate;

the bottom end of the guide rod is detachably connected with the top end of the fixing plate, the shape of the guide rod is matched with that of the through hole, and the outer diameter of the guide rod is smaller than the inner diameter of the through hole and penetrates through the through hole;

and the end cover is arranged at the upper end of the guide seat, is detachably connected with the top end of the guide rod, and has an outer diameter larger than the inner diameter of the through hole.

2. An automatic telescopic safety stand as claimed in claim 1, wherein: the top of the inverted U-shaped support is provided with a plurality of mounting holes.

3. An automatic telescopic safety stand as claimed in claim 1, wherein: further comprising:

the guide seat is detachably connected with the inverted U-shaped support through screws, the caster is detachably connected with the fixed plate through screws, and the guide rod is detachably connected with the fixed plate and the end cover through screws.

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