Automatic centering inflatable shaft

Abstract

The utility model relates to the technical field of inflatable shafts, and discloses a self-centering inflatable shaft which comprises a sleeve, a first connecting piece is arranged at one end of the sleeve, a second connecting piece is installed at the other end of the sleeve in a matched mode, a through groove is formed in the outer surface of the sleeve, a key position is installed on the outer surface of a rubber air bag in a matched mode, and the key position is connected into the through groove in a sliding mode. An acceleration exhaust assembly is installed on the inner surface of the sleeve and comprises an installation plate, the installation plate is installed on the inner surface of the sleeve through bolts, a baffle is installed at one end of the installation plate in a matched mode, a sliding groove is formed in the outer surface of the installation plate, a guide rod is arranged in the sliding groove, and one end of the guide rod is installed on the inner surface of the sliding groove. The other end of the guide rod is installed on the outer surface of the baffle. According to the utility model, through the arrangement of the exhaust accelerating assembly, the exhaust time of the rubber air bag can be shortened, so that the key position can be reset more quickly, further the canceling of the positioning of the key position on an object is accelerated, and the effect of improving the working efficiency is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gas expansion shaft, concretely to automatic centering gas expansion shaft. BACKGROUND

[0002] Gas expansion shaft, also known as gas expansion shaft, is a kind of winding and unwinding shaft, which is used for winding and unwinding the material in roll shape, and is widely used in various fields, such as winding of battery pole piece, winding of prism sheet, winding of roll paper, etc., and is expanded outward by the shaft body to realize tensioning, and is retracted inward by the shaft body to unload.

[0003] The utility model patent application file with publication number "CN206298219U" discloses an automatic centering gas expansion shaft for coating machine, which is mainly composed of a gas expansion shaft body, a gas charging and discharging port, an aluminum alloy gas pipe, a rubber gas pipe, an aluminum alloy expansion part and a rubber expansion part. The technical scheme not only realizes the positioning of the roll paper core and achieves the centering effect, but also makes the roll paper core fully expand and tighten through the rubber expansion part, so that the position is more stable.

[0004] The automatic centering gas expansion shaft disclosed in the above-mentioned file has the following defects: during use, the rubber expansion part needs to be inflated to make the rubber expansion part expand and then push out the aluminum alloy expansion part to position the object. When the positioning of the object needs to be cancelled, the rubber expansion part needs to be deflated through the gas charging and discharging port to make the rubber expansion part contract. Since there is no structure to accelerate the deflation, the deflation process is relatively slow, which indirectly reduces the work efficiency.

[0005] Therefore, the existing automatic centering gas expansion shaft does not have a structure to accelerate the deflation, and needs to be improved to provide an automatic centering gas expansion shaft. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide an automatic centering gas expansion shaft to solve the problems in the background art.

[0007] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0008] The utility model discloses an automatic centering air expansion shaft, including sleeve, one end of sleeve is equipped with first connecting piece, the other end cooperation of sleeve installs second connecting piece, the outer surface of second connecting piece is equipped with the mouth of filling and releasing, the inside installation of mouth of filling and releasing has the air cock, the outer surface of sleeve is equipped with the through slot, the inside cooperation of sleeve installs rubber air bag, the outer surface cooperation of rubber air bag installs key position, the inside key position sliding connection of through slot, the inner surface of sleeve installs accelerated exhaust component, accelerated exhaust component includes mounting plate, the inner surface of sleeve is installed through bolt mounting plate, one end cooperation of mounting plate installs baffle, the outer surface of mounting plate is equipped with the sliding slot, the inside setting of sliding slot has guide rod, the one end of guide rod is installed in the inner surface of sliding slot, the other end of guide rod is installed in the outer surface of baffle.

[0009] Further, the outer surface of the guide rod is slidably connected with a sliding block, the sliding block is provided with two and is symmetrically distributed, one end of the sliding block is hingedly connected with a supporting rod, the other end of the supporting rod is hingedly connected with an abutting plate, and the outer surface of the abutting plate abuts against the outer surface of the rubber air bag.

[0010] Further, the outer surface of the guide rod is sleeved with two springs, one end of one of the springs abuts against the outer surface of the baffle, the other end of the spring abuts against the outer surface of one of the sliding blocks, one end of the other spring abuts against the inner surface of the sliding slot, and the other end of the spring abuts against the outer surface of the other sliding block.

[0011] Further, the two ends of the sliding block are provided with mounting grooves, the mounting grooves are provided with connecting plates, one end of the connecting plate is provided with a connecting rod, and the outer surface of the connecting rod is rotatably connected with a roller.

[0012] Further, the inner surface of the sliding slot is provided with a groove, and the groove is provided with a roller.

[0013] Further, the outer surface of the key position is provided with anti-skid lines.

[0014] The utility model has the following beneficial effects:

[0015] (1) the utility model discloses a spring to push the sliding block and reset, the process of sliding block reset, sliding block moves through supporting rod and pushes the abutting plate, so that the abutting plate extrudes the rubber air bag inwards, so that the rubber air bag is compressed quickly and exhausts, pushes the rubber air bag and exhausts quickly, in this process, the key position can reset more quickly, and then the positioning of the key position to the article is accelerated to cancel, reaches the effect that promotes work efficiency.

[0016] Of course, any product implementing the utility model does not necessarily need to simultaneously achieve all the advantages described above. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a cross-sectional view of the overall structure of this utility model;

[0020] Figure 3 This is an exploded view of the overall structure of this utility model;

[0021] Figure 4 This is an exploded view of the structure of the accelerated exhaust component of this utility model;

[0022] Figure 5 This is a partial structural diagram of the accelerated exhaust assembly of this utility model;

[0023] The attached diagram lists the components represented by each number as follows:

[0024] In the diagram: 1. Sleeve; 101. First connecting piece; 102. Through groove; 2. Second connecting piece; 201. Inflation / release port; 3. Air nozzle; 4. Rubber air bag; 5. Key; 501. Anti-slip texture; 6. Acceleration exhaust assembly; 601. Mounting plate; 602. Baffle; 603. Slide groove; 604. Guide rod; 605. Slider; 606. Support rod; 607. Abutment plate; 608. Spring; 609. Mounting groove; 6010. Connecting plate; 6011. Connecting rod; 6012. Roller; 6013. Groove. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1 - Figure 5As shown, the utility model is automatic centering's air inflation shaft, including sleeve 1, one end of sleeve 1 is equipped with first connecting piece 101, the other end of sleeve 1 is equipped with second connecting piece 2, the outer surface of second connecting piece 2 is equipped with the mouth 201 of filling and releasing, the inside of mouth 201 of filling and releasing is equipped with air cock 3, the outer surface of sleeve 1 is equipped with through slot 102, the inside of sleeve 1 is equipped with rubber air bag 4, the outer surface of rubber air bag 4 is equipped with key position 5, key position 5 is connected in the inside of through slot 102 slidingly, the inner surface of sleeve 1 is equipped with accelerated exhaust component 6, accelerated exhaust component 6 includes mounting plate 601, and mounting plate 601 is installed on the inner surface of sleeve 1 by bolt, and one end of mounting plate 601 is equipped with baffle 602, and the outer surface of mounting plate 601 is equipped with sliding groove 603, and the inside of sliding groove 603 is provided with guide rod 604, and one end of guide rod 604 is installed on the inner surface of sliding groove 603, and the other end of guide rod 604 is installed on the outer surface of baffle 602,

[0027] Before use, first of all, the article is set on the outer surface of sleeve 1, then first connecting piece 101 and second connecting piece 2 are installed with the connecting structure outside,

[0028] The outer surface of guide rod 604 is connected with sliding block 605 slidingly, and sliding block 605 is defined as two and is symmetrically distributed, and one end of sliding block 605 is hinged with support rod 606, and the other end of support rod 606 is hinged with abutting plate 607, and the outer surface of abutting plate 607 is in abutment with the outer surface of rubber air bag 4,

[0029] The outer surface of guide rod 604 is sleeved with two springs 608, one end of one of spring 608 is in abutment with the outer surface of baffle 602, the other end of spring 608 is in abutment with the outer surface of one of sliding block 605, the other end of spring 608 is in abutment with the outer surface of the other sliding block 605,

[0030] In use, by placing the inflating equipment in the inside of mouth 201 of filling and releasing, the gas in the inflating equipment enters the inside of rubber air bag 4 through air cock 3, rubber air bag 4 is inflated, in the process of expanding outward, key position 5 slides outward in through slot 102, so that the outer surface of key position 5 gradually approaches the inner surface of the object to be fixed, while rubber air bag 4 expands outward, rubber air bag 4 pushes abutting plate 607 to move outward, abutting plate 607 pushes two sliding blocks 605 to slide outward in sliding groove 603 through support rod 606, spring 608 gradually contracts, when key position 5 abuts with the article, stop inflating in rubber air bag 4, complete the positioning of the article, at this time, spring 608 is completely contracted;

[0031] When it is needed to cancel the positioning of the article, the valve core of the air nozzle 3 is pressed, so that the gas in the rubber air bag 4 is discharged to the outside through the air nozzle 3. During the discharging process, the spring 608 gradually restores the elasticity and pushes the slider 605 to reset. During the resetting process of the slider 605, the slider 605 pushes the abutment plate 607 to move through the supporting rod 606, so that the abutment plate 607 extrudes the rubber air bag 4 inward, so that the rubber air bag 4 is quickly compressed and discharged. The rubber air bag 4 is pushed to quickly discharge, and in this process, the key position 5 can be reset more quickly, thereby accelerating the positioning of the article by the key position 5, and achieving the effect of improving the work efficiency;

[0032] Both ends of the slider 605 are provided with mounting grooves 609, and the connecting plates 6010 are mounted in the mounting grooves 609 in a matched mode. One end of the connecting plate 6010 is provided with a connecting rod 6011, and the outer surface of the connecting rod 6011 is rotatably connected with the roller 6012.

[0033] The inner surface of the sliding groove 603 is provided with a groove 6013, and the roller 6012 is mounted in the groove 6013 in a matched mode.

[0034] Through the matched use of the roller 6012 and the groove 6013, the stability of the slider 605 during the movement in the sliding groove 603 can be improved.

[0035] The outer surface of the key position 5 is provided with anti-skid lines 501.

[0036] Through the anti-skid lines 501, the friction between the key position 5 and the article can be improved, so that the article is not easy to rotate axially, and the positioning effect of the article is further improved.

[0037] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The embodiments are selected and described in the specification in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. An automatically centering air shaft, comprising a sleeve (1), one end of which is provided with a first connector (101), and the other end of which is fitted with a second connector (2), the outer surface of which is provided with an inflation / deflation port (201), an air nozzle (3) is installed inside the inflation / deflation port (201), the outer surface of which is provided with a through groove (102), a rubber air bladder (4) is fitted inside the sleeve (1), and a key (5) is fitted on the outer surface of the rubber air bladder (4), the key (5) being slidably connected inside the through groove (102), characterized in that: The inner surface of the sleeve (1) is provided with an accelerated exhaust assembly (6); The accelerated exhaust assembly (6) comprises a mounting plate (601), which is mounted on the inner surface of the sleeve (1) through bolts, one end of the mounting plate (601) is provided with a baffle (602) in a matched mode, the outer surface of the mounting plate (601) is provided with a sliding groove (603), the inner surface of the sliding groove (603) is provided with a guide rod (604), one end of the guide rod (604) is mounted on the inner surface of the sliding groove (603), and the other end of the guide rod (604) is mounted on the outer surface of the baffle (602).

2. The self-centering air inflated shaft of claim 1, wherein: The outer surface of the guide rod (604) is slidably connected with a sliding block (605), the sliding block (605) is provided with two parts and is symmetrically distributed, one end of the sliding block (605) is hingedly connected with a supporting rod (606), the other end of the supporting rod (606) is hingedly connected with an abutting plate (607), and the outer surface of the abutting plate (607) abuts against the outer surface of the rubber air bag (4).

3. The self-centering air inflated shaft of claim 1, wherein: The outer surface of the guide rod (604) is sleeved with two springs (608), one end of one of the springs (608) abuts against the outer surface of the baffle (602), the other end of the spring (608) abuts against the outer surface of one of the sliding blocks (605), one end of the other spring (608) abuts against the inner surface of the sliding groove (603), and the other end of the spring (608) abuts against the outer surface of the other sliding block (605).

4. The self-centering air inflated shaft of claim 2, wherein: Both ends of the sliding block (605) are provided with mounting grooves (609), the inner surfaces of the mounting grooves (609) are provided with connecting plates (6010) in a matched mode, one end of the connecting plate (6010) is provided with a connecting rod (6011), and the outer surface of the connecting rod (6011) is rotatably connected with a roller (6012).

5. The self-centering air inflated shaft of claim 1, wherein: The inner surface of the sliding groove (603) is provided with a groove (6013), and the inner surface of the groove (6013) is provided with a roller (6012) in a matched mode.

6. The self-centering air inflated shaft of claim 1, wherein: The outer surface of the key position (5) is provided with anti-skid lines (501).

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