Inflatable shaft device

Abstract

The utility model discloses an inflatable shaft device. The inflatable shaft device comprises a shell, a suspension matching mechanism, a deflation mechanism and an anti-pinch device, the suspension matching mechanism is arranged at the first end of the shell; the shell is provided with a first inflation inlet, and an inflation mechanism is arranged in the shell; the side edge of the shell is provided with at least one expansion strip bayonet; the expansion mechanism comprises at least one expansion strip, and the expansion strip can clamp the corresponding expansion strip bayonet after the inflatable shaft device is inflated through the inflation inlet; the anti-pinch device is arranged between the first end of the shell and the expansion strip bayonet closest to the first end of the shell, and the outer diameter or the width of the anti-pinch device is larger than the outer diameter of the shell; the inflation mechanism is provided with a second inflation port, an airflow channel and a deflation port, the airflow channel is connected with the second inflation port and the deflation port, and the second inflation port is connected with the first inflation port; the deflation mechanism is connected with the deflation port and can control opening and closing of the deflation port. According to the inflatable shaft device, hands of an operator can be prevented from being clamped in the using process of the inflatable shaft, and it is guaranteed that work is conducted safely.

Description

Technical Field

[0001] The utility model belongs to the technical field of pneumatic shafts and relates to a pneumatic shaft, in particular to a pneumatic shaft device capable of avoiding pinching of hands. Background Art

[0002] The inflatable shaft is a special winding and unwinding shaft. After being inflated with high pressure, several protrusions can be formed on the surface, and the surface part will quickly retract after being deflated.

[0003] In one usage scenario, the inflatable shaft is lifted by a lifting hoist, inserted into the rolled film, and inflated using an inflation nozzle; the inflatable shaft expands, and the film is lifted by a lifting hoist and placed on the corresponding pallet; then the deflation mechanism is used to deflate. During the deflation process, the inflatable shaft will slide down and easily clamp the operator's hand.

[0004] In view of this, there is an urgent need to design a new pneumatic shaft device to overcome at least some of the above-mentioned defects of the existing pneumatic shaft devices. Utility Model Content

[0005] The utility model provides an air shaft device, which can prevent the air shaft from pinching the operator's hands during use, thereby ensuring safe work.

[0006] In order to solve the above technical problems, according to one aspect of the present invention, the following technical solutions are adopted:

[0007] An inflatable shaft device, comprising: a housing, a suspension matching mechanism, an air release mechanism, and an anti-pinch device;

[0008] The suspension matching mechanism is arranged at the first end of the shell; the shell is provided with an inflation port, and an inflation mechanism is arranged inside the shell;

[0009] The inflation mechanism includes at least one expansion bar, and the side of the shell is provided with at least one expansion bar snap-in. After the inflation shaft device is inflated using the inflation port, the expansion bar can snap into the corresponding expansion bar snap-in.

[0010] The anti-pinch device is arranged between the first end of the shell and the expansion strip clip closest to the first end of the shell, and the outer diameter or width of the anti-pinch device is greater than the outer diameter of the shell;

[0011] The inflation mechanism is provided with an air flow channel, which is connected to the inflation port; the deflation mechanism can be set at the inflation port. When the deflation mechanism can be set at the inflation port, the air flow channel is connected to the outside air, and the high-pressure gas in the air flow channel can be deflated through the opened inflation port.

[0012] As an implementation manner of the present utility model, the air release mechanism is a solenoid valve.

[0013] As an embodiment of the present invention, the pneumatic shaft device further includes a main control circuit, which is connected to the solenoid valve and can send a control signal to the solenoid valve.

[0014] As an embodiment of the present invention, the pneumatic shaft device is equipped with a remote controller, and the remote controller communicates with the main control circuit via wireless communication and sends a control signal to the main control circuit.

[0015] As an implementation manner of the present utility model, the suspension matching mechanism is a suspension ring.

[0016] As an embodiment of the present invention, the anti-pinch device includes a shielding mechanism body and a ramp mechanism, wherein the ramp mechanism is arranged below the shielding mechanism body, and the ramp mechanism and the shielding mechanism body are integrated into one design;

[0017] The cross section of the shielding mechanism body is annular, and the shielding mechanism body has a set height; the cross-sectional area of ​​the slope mechanism gradually decreases from top to bottom.

[0018] As an implementation manner of the present utility model, the anti-pinch device is fixed to a set position of the housing through a fixing mechanism.

[0019] As an embodiment of the present invention, the inflation mechanism includes an air bag and a plurality of expansion strips, each expansion strip being arranged around the periphery of the air bag;

[0020] An air flow channel is provided in the airbag. After the airbag is inflated, the airbag can expand. The expansion strips located around the airbag are displaced due to the expansion of the airbag, thereby entering the corresponding expansion strip bayonet.

[0021] As an embodiment of the present invention, the deflation mechanism is a cylinder, which can be inserted into the inflation port; an elastic plug is provided in the inflation port, and after the cylinder presses down the elastic plug, the high-pressure gas of the airbag can be deflated through the inflation port.

[0022] As an implementation manner of the present utility model, the shell is provided with a deflation mechanism setting position, and the deflation mechanism can be set through the deflation mechanism setting position.

[0023] The beneficial effect of the present invention is that the pneumatic shaft device proposed by the present invention can prevent the pneumatic shaft from pinching the operator's hands during use, thereby ensuring safe work. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1This is a partial structural diagram of an inflatable shaft device in one embodiment of the present invention.

[0025] Figure 2 Schematic diagram of the structure of the pneumatic shaft device in one embodiment of the present invention.

[0026] Figure 3 Schematic diagram of the structure of the pneumatic shaft device in one embodiment of the present invention. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0028] In order to further understand the present invention, preferred embodiments of the present invention are described below in conjunction with examples. However, it should be understood that these descriptions are only for further illustrating the features and advantages of the present invention, rather than limiting the claims of the present invention.

[0029] The description in this section is only for several typical embodiments, and the present invention is not limited to the scope of the embodiments. The same or similar existing technical means and some technical features of the embodiments are interchangeable and fall within the scope of the description and protection of the present invention.

[0030] The term “connection” in the specification includes both direct connection and indirect connection.

[0031] The utility model discloses an inflatable shaft device. Figures 1 to 3 This is a schematic diagram of the structure of the pneumatic shaft device in one embodiment of the present invention; please refer to Figures 1 to 3 The pneumatic shaft device includes: a housing 1, a suspension matching mechanism 2, a deflation mechanism 3 and an anti-pinch device 4. In one embodiment, the suspension matching mechanism 2 can be a lifting ring.

[0032] The suspension engagement mechanism 2 is disposed at the first end of the housing 1; the housing 1 is provided with an inflation port 11, within which an inflation mechanism 5 is disposed. The inflation mechanism 5 includes at least one expansion bar 51, and at least one expansion bar latch 12 is provided on a side of the housing 1. After the inflation mechanism 5 is inflated with the inflatable shaft device via the inflation port 11, the expansion bar 51 engages with the corresponding expansion bar latch 12.

[0033] The anti-pinch device 4 is disposed between the first end of the housing 1 and the expansion strip clip 12 closest to the first end of the housing 1 . The outer diameter or width of the anti-pinch device 4 is greater than the outer diameter of the housing 1 .

[0034] The inflation mechanism 5 is provided with an air flow channel 52, which is connected to the inflation port 11; the deflation mechanism 3 can be set at the inflation port 11. When the deflation mechanism 3 can be set at the inflation port 11, the air flow channel 52 is connected to the outside air, and the high-pressure gas in the air flow channel 52 can be deflated through the opened inflation port 11.

[0035] In one embodiment of the present invention, the deflation mechanism 3 may be a solenoid valve. In another embodiment, the deflation mechanism 3 may be a column that can be inserted into the inflation port 11 .

[0036] The pneumatic shaft device may further include a main control circuit 6, which is connected to the solenoid valve and can send control signals to the solenoid valve. In addition, the pneumatic shaft device may also be equipped with a remote control 7, which communicates with the main control circuit via wireless communication and sends control signals to the main control circuit 6.

[0037] The anti-pinch device 4 includes a shielding mechanism body 41 and a ramp mechanism 42. The ramp mechanism 42 is arranged below the shielding mechanism body 41, and the ramp mechanism 42 and the shielding mechanism body 41 are integrated into one design; the cross-section of the shielding mechanism body 41 is annular, and the shielding mechanism body 41 has a set height; the cross-sectional area of ​​the ramp mechanism 42 gradually decreases from top to bottom.

[0038] The anti-pinch device 4 is fixed to a set position of the housing 1 through a fixing mechanism 8. The fixing mechanism 8 can be a screw, and a threaded hole can be provided at a corresponding position of the anti-pinch device 4.

[0039] In one embodiment of the present invention, the inflation mechanism 5 includes an airbag 53 and several expansion strips 51, and each expansion strip 51 is arranged around the airbag 53; an air flow channel 52 is provided in the airbag 53. After the airbag 53 is inflated, the airbag 53 can expand, and the expansion strips 51 located around the airbag 53 are displaced due to the expansion of the airbag 53, thereby entering the corresponding expansion strip bayonet 12.

[0040] In one embodiment, the deflation mechanism 3 is a cylinder that can be inserted into the inflation port 11. An elastic plug is provided within the inflation port 11. When the cylinder presses down on the elastic plug, the high-pressure gas in the airbag 53 can be deflated through the inflation port. The housing 1 is provided with a deflation mechanism mounting position (which can be a hollow cylinder), and the deflation mechanism can be installed through the deflation mechanism mounting position.

[0041] In one usage scenario of the present invention, after lifting the lifting ring with a lifting hoist, the inflatable shaft is inserted into the rolled film and inflated at the inflation nozzle; after inflation, the inflatable shaft expands, and the lifting hoist is used to lift the film and place it on the corresponding pallet; the deflation mechanism is used to deflate, and the inflatable shaft will slide down during the deflation process; since the present invention adds an anti-hand pinching device, the hand will be blocked by the retaining ring during the sliding process and will not be pinched.

[0042] In summary, the pneumatic shaft device proposed in the present invention can prevent the operator's hands from being pinched during use of the pneumatic shaft, thereby ensuring safe work.

[0043] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0044] The description and application of the present invention here are illustrative and are not intended to limit the scope of the present invention to the above-mentioned embodiments. The effects or advantages involved in the embodiments may not be reflected in the embodiments due to interference from various factors, and the description of the effects or advantages is not used to limit the embodiments. Variations and changes to the embodiments disclosed here are possible, and replacements and various equivalent components of the embodiments are well known to those of ordinary skill in the art. It should be clear to those skilled in the art that, without departing from the spirit or essential characteristics of the present invention, the present invention can be implemented in other forms, structures, arrangements, proportions, and with other components, materials and parts. Other variations and changes can be made to the embodiments disclosed here without departing from the scope and spirit of the present invention.

Claims

1. An inflatable shaft device, characterized in that: The pneumatic shaft device includes: a shell, an inflation mechanism, a suspension matching mechanism, an air release mechanism and an anti-pinch device; The suspension matching mechanism is arranged at the first end of the shell; the shell is provided with an inflation port, and the inflation mechanism is arranged inside the shell; The inflation mechanism includes at least one expansion bar, and the side of the shell is provided with at least one expansion bar snap-in. After the inflation shaft device is inflated using the inflation port, the expansion bar can snap into the corresponding expansion bar snap-in. The anti-pinch device is arranged between the first end of the shell and the expansion strip clip closest to the first end of the shell, and the outer diameter or width of the anti-pinch device is greater than the outer diameter of the shell; The inflation mechanism is provided with an air flow channel, which is connected to the inflation port; the deflation mechanism can be set at the inflation port. When the deflation mechanism can be set at the inflation port, the air flow channel is connected to the outside air, and the high-pressure gas in the air flow channel can be deflated through the opened inflation port.

2. The pneumatic shaft device according to claim 1, characterized in that: The air release mechanism is a solenoid valve.

3. The pneumatic shaft device according to claim 2, characterized in that: The pneumatic shaft device further includes a main control circuit, which is connected to the solenoid valve and can send a control signal to the solenoid valve.

4. The pneumatic shaft device according to claim 3, characterized in that: The pneumatic shaft device is equipped with a remote controller, which communicates with the main control circuit via wireless communication and sends a control signal to the main control circuit.

5. The pneumatic shaft device according to claim 1, characterized in that: The suspension matching mechanism is a suspension ring.

6. The pneumatic shaft device according to claim 1, characterized in that: The anti-pinch device includes a shielding mechanism body and a ramp mechanism, wherein the ramp mechanism is arranged below the shielding mechanism body, and the ramp mechanism and the shielding mechanism body are integrated into one design; The cross section of the shielding mechanism body is annular, and the shielding mechanism body has a set height; the cross-sectional area of ​​the slope mechanism gradually decreases from top to bottom.

7. The pneumatic shaft device according to claim 1, characterized in that: The anti-hand pinching device is fixed to a set position of the shell through a fixing mechanism.

8. The pneumatic shaft device according to claim 1, characterized in that: The inflation mechanism includes an air bag and a plurality of expansion strips, each of which is arranged around the air bag; An air flow channel is provided in the airbag. After the airbag is inflated, the airbag can expand. The expansion strips located around the airbag are displaced due to the expansion of the airbag, thereby entering the corresponding expansion strip bayonet.

9. The pneumatic shaft device according to claim 8, characterized in that: The deflation mechanism is a column that can be inserted into the inflation port; an elastic plug is provided in the inflation port, and after the column presses down the elastic plug, the high-pressure gas of the airbag can be deflated through the inflation port.

10. The pneumatic shaft device according to claim 9, characterized in that: The shell is provided with a deflation mechanism setting position, and the deflation mechanism can be set through the deflation mechanism setting position.

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