CN112013266A

CN112013266A - Inflation method

Info

Publication number: CN112013266A
Application number: CN202010640430.5A
Authority: CN
Inventors: 黄良杰
Original assignee: Wenzhou Lijie Sports Goods Co ltd
Current assignee: Wenzhou Lijie Sports Goods Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2020-12-01
Anticipated expiration: 2040-07-06
Also published as: CN112013266B

Abstract

The invention discloses an inflation method, which comprises the following steps: opening the protective sleeve, rotating the locking fastener to align the pressing part of the locking fastener with the avoiding opening on the outer connecting flange of the protective sleeve, and pulling the protective sleeve along the axis of the protective sleeve to take down the protective sleeve; installing a gas cylinder, and aligning the gas cylinder to the gas filling core for connection and fixation; the protective sleeve is buckled to the locking piece, so that the buckling part of the locking piece extends out of the avoiding opening on the outer connecting flange of the protective sleeve, and then the locking piece is rotated to enable the buckling part to buckle the outer connecting flange; inflating, closing the pressure release valve, and opening the inflation valve to inflate; pressure relief, namely closing the inflation valve and opening the pressure relief valve to relieve pressure when the numerical value of the gas cylinder pressure gauge reaches a preset numerical value; and taking the gas cylinder, wherein when the numerical value of the pressure gauge of the gas cylinder is observed to be zero, the residual pressure of the gas circuit is shown to be discharged, and the protective sleeve is opened to take the gas cylinder out.

Description

Inflation method

Technical Field

The invention relates to the technical field of inflation, in particular to an inflation method.

Background

At present, when a gas cylinder is inflated, the gas cylinder is cracked due to overlarge pressure in the gas cylinder, and cracked fragments can directly cause harm to people, so that the gas cylinder is unsafe.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an inflation method which can prevent broken pieces of the gas cylinder from bursting out to hurt people.

An inflation method according to an embodiment of the first aspect of the invention includes the steps of:

opening the protective sleeve, rotating the locking fastener to align the pressing part of the locking fastener with the avoiding opening on the outer connecting flange of the protective sleeve, and pulling the protective sleeve along the axis of the protective sleeve to take down the protective sleeve;

installing a gas cylinder, and aligning the gas cylinder to the gas filling core for connection and fixation;

the protective sleeve is buckled to the locking piece, the buckling part of the locking piece extends out of the avoiding opening in the outer connecting flange of the protective sleeve, and then the locking piece is rotated to buckle the buckling part on the outer connecting flange;

inflating, closing the pressure release valve, and opening the inflation valve to inflate;

pressure relief, wherein when the numerical value of the gas cylinder pressure gauge reaches a preset numerical value, the inflation valve is closed, and the pressure relief valve is opened for pressure relief;

and taking out the gas cylinder, wherein when the numerical value of the gas cylinder pressure gauge is observed to be zero, the residual pressure of the gas circuit is shown to be completely discharged, and the protective sleeve is opened to take out the gas cylinder.

According to the embodiment of the invention, the inflation method has at least the following beneficial effects: after the gas cylinder is installed, installing the protective sleeve outside the gas cylinder to prevent fragments of the gas cylinder which are burst under overpressure from bursting out to hurt people, wherein the protective sleeve is used for preventing the fragments of the gas cylinder which are burst under overpressure; the step of locking the lock catch piece and the step of locking the lock catch are added, so that the protective sleeve is not easy to fall off under the action of pressure or external force, and the pressure remained in the process of inflation is relieved by the step of pressure relief, so that the safety is ensured; when the pressure relief function and the protection sleeve function are combined, the whole process of gas filling of the gas cylinder can be effectively protected against personal safety, and meanwhile, the safety of gas filling of the gas cylinder is enhanced.

According to some embodiments of the present invention, in the step of opening the protective cover, the step of rotating the locking member by 30 ° clockwise or 30 ° counterclockwise enables the outer connecting flange of the protective cover to be separated from the pressing portion of the locking member, the rotation angle of the locking member is limited to 30 °, and the purpose of unlocking can be achieved just after the locking member is rotated by 30 °, so that the protective cover is convenient to install and detach.

According to some embodiments of the invention, six buckling parts are arranged, the avoidance port on the external connecting flange is arranged corresponding to the buckling parts, the six buckling parts are arranged to divide the buckling force into six buckling parts, and the space between every two adjacent buckling parts is consistent with the size of the avoidance port, so that the locking part can conveniently buckle the protective sleeve, the unlocking rotation angle can be limited to 30 degrees, and the unlocking is convenient.

According to some embodiments of the invention, in the step of installing the gas cylinder, the gas cylinder is in threaded connection with the gas filling core, and the threaded connection is stable and has self-locking performance.

According to some embodiments of the invention, the inflation core, the inflation valve and the pressure release valve are all arranged on an air path connecting block, the inflation core is used for connecting the air bottle, the inflation valve is used for controlling the opening and closing of air flow during inflation, the pressure release valve is used for releasing pressure to the air path connecting block before the air bottle is taken out, and the inflation valve and the pressure release valve are matched for inflation and pressure release, so that the process of inflating the air bottle is safer.

According to some embodiments of the present invention, the protective sleeve includes a main body and a cover, one end of the main body is connected to the locking element, the other end of the main body is detachably connected to the cover, the cover is provided with a pressure relief hole, the cover conveniently extends into the gas cylinder, so as to reduce the number of times of assembling and disassembling the protective sleeve, and the pressure relief hole is arranged to relieve part of pressure when the gas cylinder explodes, so as to prevent the protective sleeve from shattering.

According to some embodiments of the invention, the gas cylinder clamping device further comprises a clamping mechanism, the clamping mechanism is used for clamping the gas cylinder, the clamping mechanism comprises a clamping head and a push rod, the clamping head is connected to one end, close to the gas filling core, of the push rod, the push rod is connected in the protective sleeve through an elastic piece, the push rod is used for driving the clamping head to tightly clamp the gas cylinder, and the clamping mechanism is used for installing and disassembling the gas cylinder, so that the gas cylinder clamping device is convenient to use.

According to some embodiments of the invention, when inflation is completed, the push rod is manually pressed to drive the clamping head to tightly clamp the gas cylinder, and then the push rod is screwed to rotate to unscrew or tighten the gas cylinder, and the push rod and the clamping head are simple in structure and convenient to use.

According to some embodiments of the invention, the push rod is connected with a knob, the knob is provided with anti-slip ribs, and the knob facilitates rotation of the push rod to drive the gas cylinder to rotate to screw on or screw off the gas filling core.

According to some embodiments of the invention, the gas circuit connecting block is further connected with a jacking block, the jacking block is used for jacking the inflating core, and the jacking block jacks the inflating core to prevent the inflating core from falling off.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an exploded view of a first safety shield apparatus in accordance with an embodiment of the present invention;

FIG. 2 is a schematic illustration of the safety shield apparatus shown in FIG. 1;

fig. 3 is an exploded view of a second safety shield apparatus according to an embodiment of the present invention.

The gas charging component 100, the gas charging core 110, the protective cover 200, the locking member 310, the external connecting flange 210, the pressing portion 311, the avoiding opening 211, the limiting block 120, the sealing cover 220, the pressure relief hole 221, the gas circuit connecting block 130, the gas inlet pressure gauge 131, the gas charging valve 132, the pressure relief valve 133, the gas cylinder pressure gauge 134, the jacking block 135, the clamping mechanism 400, the clamping head 410, the push rod 420, the knob 421, the anti-skid convex edge 421a and the elastic member 430.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 3, an inflation method includes the steps of:

opening the protective sleeve, rotating the locking piece 310 to align the pressing part 311 of the locking piece 310 with the avoiding opening 211 on the external connecting flange 210 of the protective sleeve 200, and pulling the protective sleeve 200 along the axis thereof;

installing the gas cylinder, and aligning the gas cylinder to the gas filling core 110 for connection and fixation;

a lock catch, which locks the protective cover 200 to the locking member 310, so that the pressing part 311 of the locking member 310 extends out of the avoiding opening 211 on the outer connecting flange 210 of the protective cover 200, and then the locking member 310 is rotated to make the pressing part 311 lock the outer connecting flange 210;

inflating, closing the relief valve 133, and opening the inflation valve 132 for inflation;

pressure relief, namely closing the inflation valve 132 and opening the pressure relief valve 133 to relieve pressure when the numerical value of the gas cylinder pressure gauge reaches a preset numerical value;

and taking out the gas cylinder, wherein when the numerical value of the pressure gauge of the gas cylinder is zero, the residual pressure of the gas circuit is shown to be discharged, and at the moment, the protective sleeve 200 is opened to take out the gas cylinder.

After the gas cylinder is installed, a protective sleeve 200 is installed outside the gas cylinder to prevent fragments of the gas cylinder which are burst under overpressure from bursting out to hurt people, and the protective sleeve 200 is used for preventing fragments of the gas cylinder which are burst under overpressure; the locking piece 310 and the locking step are added, so that the protective sleeve 200 is not easy to fall off under the action of pressure or external force, and the pressure remained in the process of inflation is removed by the pressure relief step, so as to ensure the safety; when the pressure relief function is combined with the protection sleeve 200 function, the whole process of gas cylinder inflation can be effectively protected against personal safety, and meanwhile, the safety of gas cylinder inflation is enhanced. It will be understood that a gas cylinder refers to a gas cylinder having a one-way valve mounted at the mouth of the cylinder to prevent gas leakage when the cylinder is removed. It should be noted that the protective cover 200 may be cylindrical, square cylindrical, or other shapes, and the protective cover 200 may be made of polyethylene fiber cloth, or may be made of steel or bronze alloy. It is understood that the latch member 310 may be a lock block hinged to the inflatable assembly 100 and including a hinged end and a free end, the lock block being rotatable to allow the free end to engage the outer attachment flange 210 of the shield 200, or the latch member 310 may be a top block actuated by a pneumatic or hydraulic cylinder to secure the shield 200 to the inflatable assembly 100.

In some embodiments, in the step of opening the protective cover, the rotation of the locking member 310 is 30 ° clockwise or 30 ° counterclockwise, so that the outer connecting flange 210 of the protective cover 200 can be separated from the pressing portion 311 of the locking member 310, the rotation angle of the locking member 310 is limited to 30 °, and the purpose of unlocking can be achieved just after the locking member 310 rotates 30 °, thereby facilitating the installation and removal of the protective cover 200.

In some embodiments, there are six fastening portions 311, the avoiding opening 211 on the external connecting flange 210 is disposed corresponding to the fastening portion 311, and the six fastening portions 311 are disposed to divide the fastening force into six fastening portions 311, and the interval between every two adjacent fastening portions 311 is the same as the size of the avoiding opening 211, so that the locking member 310 can conveniently fasten the protecting cover 200 and can also limit the unlocking rotation angle to 30 ° to facilitate unlocking. It is understood that the outer attachment flange 210 may be continuous or discontinuous, where continuous outer attachment flange 210 refers to one outer attachment flange 210 disposed around the circumference of the shield sleeve 200, and discontinuous outer attachment flange 210 refers to a plurality of outer attachment flanges 210 distributed around the circumference of the shield sleeve 200. It should be noted that the locking member 310 is annular, the inflating core 110 is disposed in the annular locking member 310, the pressing portion 311 is disposed on the annular edge of the locking member 310, the pressing portion 311 extends toward the center of the annular locking member 310, and the size of the avoiding opening 211 disposed on the outer connecting flange 210 is larger than the size of the pressing portion 311, so that the pressing portion 311 can pass through the avoiding opening 211. When the protective cover 200 is used, the outer connecting flange 210 is communicated with the protective cover 200 and is close to the locking piece 310, the pressing part 311 on the locking piece 310 penetrates through the avoiding opening 211 on the outer connecting flange 210, and then the locking piece 310 is rotated to enable the pressing part 311 to be abutted with the outer connecting flange 210.

In some embodiments, during the step of installing the gas cylinder, the gas cylinder is screwed with the gas filling core 110, and the screwed connection is stable and has self-locking property.

In some embodiments, the inflation core 110, the inflation valve 132 and the pressure release valve 133 are all arranged on the gas path connecting block 130, the inflation core 110 is used for connecting a gas cylinder, the inflation valve 132 is used for controlling the opening and closing of the gas flow during inflation, the pressure release valve 133 is used for releasing the pressure of the gas path connecting block 130 before the gas cylinder is taken, and the inflation valve 132 and the pressure release valve 133 are arranged to cooperate to inflate and release the pressure, so that the process of inflating the gas cylinder is safer.

In some embodiments, the protective sleeve 200 comprises a main body 230 and a cover 220, wherein one end of the main body 230 is connected with a locking member 310, the other end of the main body is connected with the cover 220 in a detachable manner, the cover 220 is provided with a pressure relief hole 221, the cover 220 can conveniently extend into the gas cylinder, the number of times of assembly and disassembly of the protective sleeve 200 is reduced, and the pressure relief hole 221 can relieve partial pressure when the gas cylinder explodes, so that the protective sleeve 200 is prevented from shattering. It is noted that at least one pressure relief hole 221 is provided, and the diameter of the pressure relief hole 221 is between 1mm and 10 mm.

In some embodiments, the clamping mechanism 400 is further included, the clamping mechanism 400 is used for clamping the gas cylinder, the clamping mechanism 400 includes a clamping head 410 and a push rod 420, the clamping head 410 is connected to one end of the push rod 420 close to the gas filling core 110, the push rod 420 is connected in the protective sleeve 200 through an elastic member 430, the push rod 420 is used for driving the clamping head 410 to tightly sleeve the gas cylinder, and the clamping mechanism 400 is used for installing and detaching the gas cylinder, so that the use is convenient.

In some embodiments, when the inflation is completed, the pushing rod 420 is manually pressed to drive the clamping head 410 to tightly sleeve the gas cylinder, and then the pushing rod 420 is screwed to rotate to unscrew or tighten the gas cylinder, so that the pushing rod 420 and the clamping head 410 have simple structures and are convenient to use. It should be noted that the clamping head 410 is provided with a clamping opening, the clamping opening gradually decreases from the end close to the gas cylinder to the end away from the gas cylinder, and when clamping the gas cylinder, the gas cylinder is tightly sleeved by the clamping head 410 so as to conveniently operate the gas cylinder.

In some embodiments, a knob 421 is connected to the push rod 420, and a non-slip rib 421a is provided on the knob 421, so that the knob 421 facilitates to rotate the push rod 420 to drive the gas cylinder to be screwed on or off the gas core 110.

In some embodiments, the gas path connecting block 130 is further connected with a tightening block 135, the tightening block 135 is used for tightening the inflation core 110, and the tightening block 135 tightens the inflation core 110 to prevent the inflation core 100 from falling off.

In some embodiments, the inflation assembly 100 is further included, the inflation assembly 100 includes an air path connecting block 130 and an inflation core 110, one end of the inflation core 110 is communicated with the air path connecting block 130, the other end of the inflation core 110 is used for being communicated with an air bottle, an inflation valve 132 and a pressure release valve 133 are connected to the air path connecting block 130, the set air path connecting block 130 can be used as an installation carrier of the inflation core 110, the inflation valve 132 and the pressure release valve 133, centralized installation is achieved, installation space is reduced, and the set inflation valve 132 and the pressure release valve 133 can be matched for inflation. It should be noted that the air path connection block 130 is further connected with an air inlet pressure gauge 131 and a gas cylinder pressure gauge 134, the air inlet pressure gauge 131 is used for detecting air inlet pressure, and the gas cylinder pressure gauge 134 is used for detecting gas cylinder pressure. It should be noted that, when aerifing, connect the gas cylinder on core 110 of aerifing earlier, open inflation valve 132, close relief valve 133 and aerify the gas cylinder, can observe the numerical value of gas cylinder manometer 134 this moment, when the numerical value of gas cylinder manometer 134 reachd predetermined numerical value, close inflation valve 132, open relief valve 133, because the gas cylinder itself has the check valve, consequently, the gas in the gas cylinder can not run off, and what relief valve 133 let out is the inside remaining atmospheric pressure of gas circuit, prevent when taking off the gas cylinder, the atmospheric pressure of gas circuit bursts out the gas cylinder. It will be appreciated that the cylinder pressure gauge 134 measures the pressure at the mouth of the cylinder, and that when the cylinder is being inflated, the cylinder is open and the cylinder pressure gauge 134 can sense the pressure within the cylinder. It is understood that the gas cylinder and the gas filling core 110 can be connected by screw threads or snap fit.

It will be appreciated that the inflation assembly 100 further includes a high pressure pump in communication with the gas path connection block 130, the high pressure pump pressurizing the gas to the gas path connection block 130.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. An inflation method, comprising the steps of:

opening the protective sleeve, rotating a locking piece (310), aligning a pressing part (311) of the locking piece (310) with a avoiding opening (211) on an outer connecting flange (210) of the protective sleeve (200), and pulling the protective sleeve (200) along the axis of the protective sleeve for removing;

installing a gas cylinder, and aligning the gas cylinder to the gas filling core (110) for connection and fixation;

the protective sleeve (200) is buckled to the locking piece (310), the buckling part (311) of the locking piece (310) extends out of the avoiding opening (211) in the outer connecting flange (210) of the protective sleeve (200), and then the locking piece (310) is rotated to enable the buckling part (311) to buckle the outer connecting flange (210);

inflating, closing the pressure relief valve (133), and opening the inflation valve (132) for inflating;

pressure relief, wherein when the value of a gas cylinder pressure gauge reaches a preset value, the inflation valve (132) is closed, and the pressure relief valve (133) is opened for pressure relief;

and taking out the gas cylinder, wherein when the numerical value of the gas cylinder pressure gauge is observed to be zero, the residual pressure of the gas circuit is shown to be completely discharged, and at the moment, the protective sleeve (200) is opened to take out the gas cylinder.

2. An inflation method according to claim 1, characterized in that: in the step of opening the shield, rotating the locking member (310) by 30 ° clockwise or 30 ° counterclockwise enables the outer attachment flange (210) of the shield (200) to be disengaged from the pressing portion (311) of the locking member (310).

3. An inflation method according to claim 1, characterized in that: six buckling parts (311) are arranged, and the avoidance port (211) on the outer connecting flange (210) corresponds to the buckling parts (311).

4. An inflation method according to claim 1, characterized in that: in the step of installing the gas cylinder, the gas cylinder is in threaded connection with the gas filling core (110).

5. An inflation method according to claim 1, characterized in that: the gas filling core (110), inflation valve (132) and relief valve (133) all set up on gas circuit connecting block (130), inflation core (110) are used for connecting the gas cylinder, inflation valve (132) are used for controlling the switch of air current when aerifing, relief valve (133) are used for right before getting the gas cylinder gas circuit connecting block (130) pressure release.

6. An inflation method according to claim 1, characterized in that: the protective sleeve (200) comprises a main body (230) and a sealing cover (220), one end of the main body (230) is connected with the locking piece (310), the other end of the main body is connected with the sealing cover (220) in a detachable mode, and a pressure relief hole (221) is formed in the sealing cover (220).

7. An inflation method according to claim 1, characterized in that: the clamping device is characterized by further comprising a clamping mechanism (400), wherein the clamping mechanism (400) is used for clamping a gas cylinder, the clamping mechanism (400) comprises a clamping head (410) and a push rod (420), the clamping head (410) is connected to one end, close to the gas filling core (110), of the push rod (420), the push rod (420) is connected to the inside of the protecting sleeve (200) through an elastic piece (430), and the push rod (420) is used for driving the clamping head (410) to tightly sleeve the gas cylinder.

8. An inflation method according to claim 7, wherein: when the inflation is finished, the push rod (420) is manually pressed to drive the clamping head (410) to tightly sleeve the gas cylinder, and then the push rod (420) is screwed to rotate to unscrew or tighten the gas cylinder.

9. An inflation method according to claim 8, wherein: the push rod (420) is connected with a knob (421), and the knob (421) is provided with an anti-skid convex rib (421 a).

10. An inflation method according to claim 1, characterized in that: the gas circuit connecting block (130) is also connected with a jacking block (135), and the jacking block (135) is used for jacking the inflating core (110).