Air swelling shaft for material collection

Abstract

The utility model relates to the technical field of air expansion shafts, and discloses an air expansion shaft for receiving materials, which comprises an air expansion shaft main body, four fixed mounting grooves are arranged on the peripheral side surface of the air expansion shaft main body, a sliding block is arranged in each mounting groove, a limiting block is arranged at one end of each sliding block, a supporting component is arranged in each sliding block, and a clamping component is arranged in each supporting component. An air bag is arranged in the air swelling shaft body, and the four limiting blocks abut against the air bag. The two locking screws are taken out of the second threaded groove and the first threaded groove, then the T-shaped clamping block is pulled out of the T-shaped groove, the supporting block can be taken out and replaced independently, disassembly is easy and convenient, the effect of replacing the supporting block independently is achieved, and the use cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of air expansion shafts, in particular to an air expansion shaft for collecting materials. Background Art

[0002] Overview of Air Inflation Shaft The air inflation shaft is a special winding and unwinding shaft, which can bulge after high-pressure inflation and retract quickly after deflation. Its working principle is to use high-pressure gas to expand and contract the shaft, thereby fixing and releasing the paper tube.

[0003] The utility model patent application document with the publication number "CN204569027U" discloses an air-expanding shaft, which relates to the technical field of air-expanding shafts that expand outward using air pressure. It includes a hollow shaft and shaft heads arranged at both ends of the shaft for sealing the shaft, one of which is provided with an air inlet hole, and the shaft is sleeved in a sleeve, and the outer surface of the shaft is provided with several air-expanding channels along its axial direction, and an airbag is provided in the air-expanding channel, and a convex key is provided on the airbag, which extends to the outside of the sleeve and can move radially in the air-expanding channel; the airbag is provided with a through hole connected to the hollow part of the shaft. This technology can ensure the effective use of the air-expanding shaft, reduce the failure rate, and improve the production efficiency.

[0004] The pneumatic shaft disclosed in the above document has the following defects: when the cam is damaged, the cam needs to be replaced as a whole, and the cost of use is relatively high.

[0005] It can be seen from this that the existing air expansion shaft does not have a support structure that can be replaced separately, and it is necessary to improve the existing shortcomings and provide an air expansion shaft for collecting materials. Utility Model Content

[0006] The utility model aims to provide a gas expansion shaft for collecting materials to solve the problems raised in the above-mentioned background technology.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model is an air-expanding shaft for collecting materials, comprising an air-expanding shaft main body, the circumferential side surface of the air-expanding shaft main body is provided with an installation groove, the number of the installation grooves is fixed at four, sliding blocks are provided inside the installation grooves, a limit block is provided at one end of the sliding block, a support assembly is provided inside the sliding block, an air bag is provided inside the air-expanding shaft main body, and the four limit blocks are in contact with the air bag.

[0009] Furthermore, a T-shaped groove is formed at one end of the sliding block, and a first thread groove is formed at one end of the sliding block, and the number of the first thread grooves is fixed at two.

[0010] Furthermore, the support assembly includes a T-shaped block, a support block, anti-slip stripes, a limit plate, a second threaded groove and a locking screw, the T-shaped block is clamped with the T-slot, the upper surface of the T-shaped block is fixedly connected to the support block, the outer surface of the support block is provided with a plurality of anti-slip stripes, one end of the support block is fixedly installed with a limit plate, the limit plate is connected to the T-shaped block, the front side of the limit plate is provided with a second threaded groove, the number of the second threaded grooves is fixed to two, the second threaded groove is connected to the first threaded groove, the inner wall of the second threaded groove is threadedly connected with a locking screw, and the locking screw is threadedly connected to the first threaded groove, by removing the two locking screws from the inside of the second threaded groove and the first threaded groove, and then pulling the T-shaped block out of the inside of the T-slot, the support block can be taken out and replaced separately, the disassembly is simple and convenient, and the effect of replacing the support block separately is achieved, thereby reducing the cost of use.

[0011] Furthermore, an inflation interface is provided at one end of the airbag.

[0012] Furthermore, a mounting block is provided at one end of the inflation shaft body, a ventilation groove is provided on the inner wall of the mounting block, the ventilation groove is connected to the inflation interface, and a valve core is provided on the inner wall of the ventilation groove.

[0013] Furthermore, a connecting rod is fixedly mounted on one end of the mounting block.

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

[0015] (1) The utility model can remove the two locking screws from the second thread groove and the first thread groove, and then pull the T-shaped clamping block out of the T-shaped groove, so that the support block can be removed and replaced separately. The disassembly is simple and convenient, and the effect of replacing the support block separately is achieved, thereby reducing the cost of use.

[0016] (2) The utility model is more stable when fixing the workpiece by setting the anti-slip stripes, which increases the practicality by preventing sliding and falling off.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is an enlarged schematic diagram of the overall split structure of the utility model;

[0021] Figure 3 It is a schematic cross-sectional view of the overall structure of the utility model;

[0022] Figure 4 It is a schematic cross-sectional view of the overall structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the main structure of the gas expansion shaft of the utility model;

[0024] Figure 6 This is an enlarged schematic diagram of the support assembly structure of the utility model;

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] In the figure: 1. Inflatable shaft body; 101. Mounting groove; 2. Sliding block; 201. T-shaped groove; 202. First threaded groove; 3. Limiting block; 4. Support assembly; 401. T-shaped block; 402. Support block; 403. Anti-slip stripes; 404. Limiting plate; 405. Second threaded groove; 406. Locking screw; 5. Inflating interface; 6. Mounting block; 601. Ventilation groove; 602. Valve core; 7. Connecting rod; 8. Airbag. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1 - Figure 6 As shown, the utility model is an air expansion shaft for collecting materials, including an air expansion shaft main body 1, the surrounding side of the air expansion shaft main body 1 is provided with an installation groove 101, the number of the installation grooves 101 is fixed to four, the interior of the installation grooves 101 is provided with a sliding block 2, one end of the sliding block 2 is provided with a limit block 3, the interior of the sliding block 2 is provided with a support assembly 4, the interior of the air expansion shaft main body 1 is provided with an air bag 8, and the four limit blocks 3 are in contact with the air bag 8.

[0029] A T-shaped groove 201 is formed at one end of the sliding block 2 , and a first thread groove 202 is formed at one end of the sliding block 2 . The number of the first thread grooves 202 is fixed at two.

[0030] The support assembly 4 includes a T-shaped block 401, a support block 402, an anti-slip stripe 403, a limiting plate 404, a second thread groove 405 and a locking screw 406. The T-shaped block 401 is clamped with the T-slot 201, the upper surface of the T-shaped block 401 is fixedly connected with the support block 402, the outer surface of the support block 402 is provided with a plurality of anti-slip stripes 403, one end of the support block 402 is fixedly installed with a limiting plate 404, the limiting plate 404 is connected to the T-shaped block 401, the front side of the limiting plate 404 is provided with a second thread groove 405, and the second thread groove 405 is provided with a locking screw 406. The number of 05 is fixed at two, the second thread groove 405 is connected to the first thread groove 202, the inner wall of the second thread groove 405 is threadedly connected with a locking screw 406, and the locking screw 406 is threadedly connected to the first thread groove 202. By taking out the two locking screws 406 from the inside of the second thread groove 405 and the first thread groove 202, and then pulling the T-shaped block 401 out of the inside of the T-shaped groove 201, the support block 402 can be taken out and replaced separately. The disassembly is simple and convenient, and the effect of replacing the support block 402 separately is achieved, thereby reducing the cost of use.

[0031] An inflation interface 5 is provided at one end of the airbag 8 .

[0032] A mounting block 6 is provided at one end of the inflation shaft body 1 , and a ventilation groove 601 is provided on the inner wall of the mounting block 6 . The ventilation groove 601 is connected to the inflation interface 5 , and a valve core 602 is provided on the inner wall of the ventilation groove 601 .

[0033] A connecting rod 7 is fixedly mounted on one end of the mounting block 6 .

[0034] When in use, firstly, the valve core 602 is inflated by an air gun, so that the airbag 8 is expanded to squeeze the limit block 3, and the limit block 3 drives the sliding block 2 to slide inside the installation groove 101, and the sliding block 2 drives the support block 402 to expand, so as to achieve the fixed installation of the workpiece. The setting of the anti-slip stripes 403 makes the workpiece more stable when fixed, and increases the practicality by avoiding sliding and falling off. When the support block 402 is damaged, the two locking screws 406 are removed from the inside of the second thread groove 405 and the first thread groove 202, and then the T-shaped block 401 is pulled out from the inside of the T-shaped groove 201, so that the support block 402 can be taken out and replaced separately. The disassembly is simple and convenient, and the effect of replacing the support block 402 separately is achieved, thereby reducing the cost of use.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An air expansion shaft for collecting materials, comprising an air expansion shaft body (1), characterized in that: The gas expansion shaft body (1) is provided with a mounting groove (101) on the circumferential side surface, the number of the mounting grooves (101) is fixed at four, a sliding block (2) is provided inside each of the mounting grooves (101), a limiting block (3) is provided at one end of the sliding block (2), a supporting assembly (4) is provided inside the sliding block (2), an air bag (8) is provided inside the gas expansion shaft body (1), and the four limiting blocks (3) are in contact with the air bag (8).

2. The pneumatic expansion shaft for collecting materials according to claim 1, characterized in that: One end of the sliding block (2) is provided with a T-shaped groove (201), and one end of the sliding block (2) is provided with a first thread groove (202), and the number of the first thread grooves (202) is fixed at two.

3. The pneumatic expansion shaft for collecting materials according to claim 1, characterized in that: The support assembly (4) comprises a T-shaped block (401), a support block (402), anti-slip stripes (403), a stop plate (404), a second threaded groove (405) and a locking screw (406); the T-shaped block (401) is engaged with the T-shaped groove (201); the upper surface of the T-shaped block (401) is fixedly connected to the support block (402); the outer surface of the support block (402) is provided with a plurality of anti-slip stripes (403); one end of the support block (402) is fixedly connected to the support block (402); A limit plate (404) is installed, the limit plate (404) is connected to the T-shaped clamping block (401), a second thread groove (405) is provided on the front side of the limit plate (404), the number of the second thread grooves (405) is fixed at two, the second thread groove (405) is connected to the first thread groove (202), the inner wall of the second thread groove (405) is threadedly connected to a locking screw (406), and the locking screw (406) is threadedly connected to the first thread groove (202).

4. The pneumatic expansion shaft for collecting materials according to claim 1, characterized in that: An inflation interface (5) is provided at one end of the air bag (8).

5. The pneumatic expansion shaft for collecting materials according to claim 1, characterized in that: A mounting block (6) is provided at one end of the inflation shaft body (1); a ventilation groove (601) is provided on the inner wall of the mounting block (6); the ventilation groove (601) is connected to the inflation interface (5); and a valve core (602) is provided on the inner wall of the ventilation groove (601).

6. The pneumatic expansion shaft for collecting materials according to claim 5, characterized in that: A connecting rod (7) is fixedly mounted on one end of the mounting block (6).

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