CN220011735U - Air expansion shaft structure - Google Patents

Abstract

The utility model discloses an inflatable shaft structure, and relates to the technical field of inflatable shafts; the utility model comprises a shaft body, a cavity extending to the inside of the shaft body is formed in the center position of one side of the shaft body, a connecting shaft is fixedly arranged on one side of the shaft body, a plurality of air inlet cavities are formed in the shaft body, a second air inlet hole is formed in one side of the bottom end of the inside of the air inlet cavities, a channel is formed in one side of the air inlet cavities, a first air inlet hole is formed in the joint of the air inlet cavities and the channel, a second spring component is fixedly arranged at the bottom end of the inside of the channel, a top rod is connected in a sliding manner in the channel, a top plate is fixedly arranged at the top end of the top rod, external air enters the main air inlet channel in the air inlet main pipe and enters the air inlet cylinder through the through hole, thrust is generated by the air to the circular plate, the air enters the inside of the air inlet cavities through the first air inlet holes, and the air entering the inside of the air inlet cavities forms thrust, and the top rod and the top plate are jacked.

Description

Air expansion shaft structure

Technical Field

The utility model relates to the technical field of inflatable shafts, in particular to an inflatable shaft structure.

Background

The inflatable shaft is a specially-made shaft which is used for coiled material rolling and unreeling operation and can be protruded on the surface after high-pressure inflation, and the surface part after deflation is retracted rapidly. In the prior art, a worker sleeves a coiled material core outside an air expansion shaft, and inflates the air expansion shaft, the surface of the air expansion shaft protrudes and abuts against the coiled material core, and after the coiled material core is wound with a product, the gas in the air expansion shaft is discharged, and the surface protrusion of the air expansion shaft is reset, so that the coiled material core can be unloaded.

The existing inflatable shaft is provided with a main air passage which is transmitted to the inside of a plurality of branch air passages, in the use process, once a certain jacking device leaks air, the whole air inlet main passage leaks air, so that the inflatable shaft is invalid and is separated from coiled materials, the rolling and unreeling work cannot be continuously completed, the work efficiency is delayed, even the inflatable shaft is damaged in the idling process due to the overweight coiled materials, the potential safety hazard exists, and the applicant proposes an inflatable shaft structure for solving the problems.

Disclosure of Invention

To solve the above problems; the utility model aims to provide an inflatable shaft structure.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an inflatable shaft structure, includes the axis body, the cavity that extends to the inside of axis body is seted up to central point department of axis body one side, one side fixed mounting connecting axle of axis body, a plurality of chamber of admitting air has been seted up to the inside of axis body, the second inlet port has been seted up to one side of the inside bottom of chamber of admitting air, the passageway has been seted up to one side of chamber of admitting air, first inlet port has been seted up to the junction of chamber of admitting air and passageway, the inside bottom fixed mounting of passageway has second spring assembly, the inside sliding connection of passageway has the ejector pin, the top fixed mounting of ejector pin has the roof.

Preferably, the surface fixed mounting of second inlet port has the inlet tube, the spout has been seted up to the inner arc face symmetry of inlet tube, the inside bottom fixed mounting of spout has first spring assembly, the inside of spout is through first spring assembly elastic connection has the slide bar, two fixed mounting has the plectane between the slide bar, the venthole has been seted up to the inside opposite side of inlet chamber, the inside sliding connection of cavity has the inlet tube, main inlet channel has been seted up to the inside of inlet tube, the through-hole of a plurality of and second inlet port and venthole looks adaptation has been seted up on the surface of inlet tube.

Preferably, the surface of the air inlet main pipe is symmetrically and fixedly provided with a limiting rod, and the inner ring surface of the cavity is symmetrically provided with limiting grooves matched with the limiting rod.

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

the main air inlet channel in the main air inlet pipe is filled with external air, the air generates thrust to the circular plate, the circular plate is jacked up, the air enters the air inlet cavity, the air entering the air inlet cavity enters the channel through the first air inlet hole to form thrust, and the ejector rod and the top plate are jacked up.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

FIG. 3 is a schematic view of the structure of the air intake main pipe of the present utility model.

Fig. 4 is an exploded view of the air intake cartridge of the present utility model.

In the figure: 1. a shaft body; 2. a connecting shaft; 3. a cavity; 4. an air inlet main pipe; 401. a through hole; 402. a limit rod; 5. a main intake passage; 6. an air inlet cavity; 7. an air outlet hole; 8. an air inlet cylinder; 801. a chute; 802. a first spring assembly; 803. a slide bar; 804. a circular plate; 9. a first air inlet hole; 10. a channel; 11. a second spring assembly; 12. a push rod; 13. a top plate; 14. and a second air inlet hole.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1-4, the utility model provides an air-expanding shaft structure, which comprises a shaft body 1, wherein a cavity 3 extending to the inside of the shaft body 1 is formed in the center position of one side of the shaft body 1, a connecting shaft 2 is fixedly installed on one side of the shaft body 1, the shaft body 1 is fixedly installed through the connecting shaft 2, a plurality of air inlet cavities 6 are formed in the inside of the shaft body 1, a second air inlet hole 14 is formed in one side of the bottom end of the inside of the air inlet cavity 6, air enters the inside of the air inlet cavity 6 through the second air inlet hole 14, a channel 10 is formed in one side of the air inlet cavity 6, air entering the inside of the air inlet cavity 6 enters the inside of the channel 10 again through the first air inlet hole 9, a first air inlet hole 9 is formed in the joint of the air inlet cavity 6 and the channel 10, a second spring assembly 11 is fixedly installed at the bottom end of the inside of the channel 10, a push force is generated by the air entering the channel 10 to a push rod 12, the push rod 12 and the top plate 13 are jacked up from the inside of the channel 10, a push rod 12 is slidingly connected to the inside of the channel 10, and the top end of the push rod 12 is fixedly installed at the top end of the push rod 12.

The fixed surface mounting of second inlet port 14 has into gas cylinder 8, spout 801 has been seted up to gas cylinder 8's inner arc face symmetry, the inside bottom fixed mounting of spout 801 has first spring assembly 802, the inside of spout 801 has slide bar 803 through first spring assembly 802 elastic connection, fixed mounting has plectane 804 between two slide bars 803, the venthole 7 has been seted up to the inside opposite side of inlet chamber 6, the inside sliding connection of cavity 3 has into the air intake main pipe 4, main inlet channel 5 has been seted up in the inside of the main inlet pipe 4, the through-hole 401 of a plurality of and second inlet port 14 and venthole 7 looks adaptation has been seted up on the surface of the main inlet pipe 4.

Through adopting above-mentioned technical scheme, when the reel is spacing fixed to needs, promote the main intake pipe 4 and aim at the second inlet port 14 with through-hole 401, gas enters into the inside of main inlet channel 5, enter into the inside of inlet tube 8 through-hole 401 and second inlet port 14, gas produces the extrusion force to plectane 804, make plectane 804 slide in the inside of inlet tube 8, make inlet tube 8 be in the inside that open state gas enters into air chamber 6 through inlet tube 8, when stopping the gas transmission, plectane 804 withdraws in the inside of inlet tube 8 under the pulling force of first spring assembly 802, make inlet tube 8 be in the closed state, when needs change the reel, the main intake pipe 4 that pulls the setting makes through-hole 401 to the venthole 7 of who advances air chamber 6 bottom, thereby the inside gas of inlet tube 6 and passageway 10 discharges to the inside of main inlet channel 5 through venthole 7, thereby make ejector pin 12 accompany roof 13 and withdraw to the inside of passageway 10.

The surface symmetry fixed mounting of intake director 4 has gag lever post 402, and the spacing groove with gag lever post 402 looks adaptation is seted up to the interior annular symmetry of cavity 3.

Through adopting above-mentioned technical scheme, the setting of gag lever post 402 and spacing groove is convenient for the staff to aim at second inlet port 14 and venthole 7 with the through-hole 401 on inlet main pipe 4 surface.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (5)

1. The utility model provides an inflatable shaft structure, includes axis body (1), its characterized in that: the utility model discloses a novel structure of a motor vehicle, including axis body (1), a plurality of inlet air chamber (6), passageway (10) have been seted up to central point department of axis body (1) one side set up cavity (3) that extend to axis body (1) inside, one side fixed mounting connecting axle (2) of axis body (1), a plurality of inlet air chamber (6) have been seted up to the inside of axis body (1), second inlet port (14) have been seted up to one side of the inside bottom of inlet air chamber (6), passageway (10) have been seted up to one side of inlet air chamber (6), first inlet port (9) have been seted up to the junction of inlet air chamber (6) and passageway (10), the inside bottom fixed mounting of passageway (10) has second spring assembly (11), the inside sliding connection of passageway (10) has ejector pin (12), the top fixed mounting of ejector pin (12) has roof (13).

2. An inflatable shaft structure as claimed in claim 1, wherein an air inlet cylinder (8) is fixedly arranged on the surface of the second air inlet hole (14), sliding grooves (801) are symmetrically formed in the inner arc surface of the air inlet cylinder (8), a first spring assembly (802) is fixedly arranged at the bottom end of the inner portion of each sliding groove (801), sliding rods (803) are elastically connected to the inner portion of each sliding groove (801) through the first spring assembly (802), and circular plates (804) are fixedly arranged between the two sliding rods (803).

3. An inflatable shaft structure according to claim 2, wherein the other side of the interior of the air inlet chamber (6) is provided with an air outlet hole (7).

4. An inflatable shaft structure according to claim 1, characterized in that the inside of the cavity (3) is slidably connected with an air inlet main pipe (4), a main air inlet channel (5) is formed in the air inlet main pipe (4), and a plurality of through holes (401) matched with the second air inlet holes (14) and the air outlet holes (7) are formed in the surface of the air inlet main pipe (4).

5. An inflatable shaft structure as claimed in claim 4, wherein the surface of the air inlet main pipe (4) is symmetrically and fixedly provided with a limiting rod (402), and the inner ring surface of the cavity (3) is symmetrically provided with limiting grooves matched with the limiting rod (402).