CN2487886Y - Inflating set for air pressure cylinder - Google Patents

Abstract

An inflating set for air pressure cylinder comprises a cylinder body, an air-tight piston, a stern tube, a unidirectional air tap, a unidirectional counterpiston and a shaft lever; wherein the cylinder body is provided with an air chamber; the air-tight piston is arranged inside the sir chamber; the stern tube extends out from the air-tight piston and is provided with a vertical pylome; the unidirectional air tap is arranged on the air-tight piston; the unidirectional counterpiston is arranged inside the stern tube; the shaft level extends out from the unidirectional counterpiston; the tail end of the shaft level is provide with a clamping part and a holding part; the clamping part is provided with a cross bore corresponding to the pylome, an elastic part and a top pillar; the top pillar is supported by the elastic part and the free end of the top pillar is arranged in the pylome, and thereby the shaft level of the inflating set for air pressure cylinder can be combined with the stern tube or be separated with the stern tube rapidly with simple operation.

Description

The inflation group of pneumatic cylinder

Technical field

The utility model is relevant with pneumatic cylinder, is meant a kind of inflation group of pneumatic cylinder especially, and the programmed sequence of operations of its inflation action is very easy.

Background technique

Press, existing pneumatic cylinder with the function of inflating is to include a cylinder body, one piston tube is by extending in this cylinder body, and one inflating rod by extending in this piston tube, wherein this piston tube end is provided with an internal thread part, this inflating rod end then is provided with an external thread part and this internal thread part screws togather, and a grip part is exposed to outside this piston tube; When user's desire charges into gas in this cylinder body, must hold this grip part with one, another hand then is gripped on this piston tube, and with the two relatively the rotation internal thread part spiral shell that makes the external thread part of this inflating rod and this piston tube from, with after this piston tube is separated, the beginning can be pumped this inflating rod gas is squeezed in the cylinder body of this pneumatic cylinder with this inflating rod, this inflating rod and the rotation of this piston tube must be screwed togather again after having beaten gas, programmed sequence of operations is various and consuming time, very inconvenience in the use.

Summary of the invention

Because above-mentioned shortcoming, main purpose of the present utility model is promptly providing a kind of inflation group of pneumatic cylinder, and its operation is simple and easy fast.

Edge is to take off purpose for before reaching, and the inflation group of pneumatic cylinder that the utility model provides is to include a cylinder body, an airtight piston, a central siphon, a unidirectional valve, a unidirectional non-return piston, and an axostylus axostyle; Wherein this cylinder interior hollow forms an air chamber, and the one end is provided with this air chamber of an open communication with extraneous; This airtight piston is to be located in this air chamber; This central siphon is to be extended by these airtight piston central authorities, and passes this opening and extend to outside this cylinder body, on this central siphon and offer a radial direction through hole; This unidirectional valve is to be located on this airtight piston; This unidirectional non-return piston is to be located in this central siphon, makes to form a pressurized chamber between this airtight, unidirectional non-return piston, and can prevent that gas is by releasing in this pressurization a surname; This axostylus axostyle is to be extended by these unidirectional non-return piston central authorities, its free end is provided with a wedging position in this central siphon, and one the gripping site outside this central siphon, this inserted part is provided with a cross-drilled hole to through hole that should central siphon, be installed with an elastic component and a fore-set in this cross-drilled hole, this fore-set is to be subjected to replacing of this elastic component and to convexedly stretch in this cross-drilled hole with its free end outer and be arranged in the through hole of this central siphon; Thus, the axostylus axostyle of this inflation group can be fast with this central siphon in conjunction with or separate, very easy in the operation.

Wherein this cross-drilled hole includes an internal thread part of establishing for a stud bolt spiral shell, and a large-diameter portion, and a minor diameter part are between this large and small footpath portion and form a shoulder face; This fore-set then includes a head and is located in this large-diameter portion, and the whole body portion is extended by these head central authorities and is arranged in this minor diameter part, this elastic component is the head that is held in this stud bolt and this fore-set with its two end respectively, and the head of this fore-set makes this cross-drilled hole of the unlikely disengaging of fore-set because of being subjected to holding of this shoulder face.

Description of drawings

In order more to understand characteristics of the present utility model place, lift now with next preferred embodiment and cooperation

Description of drawings is as follows, wherein:

Fig. 1 is the stereogram of the utility model one preferred embodiment;

Fig. 2 is the three-dimensional exploded view of the utility model one preferred embodiment;

Fig. 3 is the sectional view of the utility model one preferred embodiment;

Fig. 4 is the sectional view of Fig. 1 along the 4-4 direction;

Fig. 5 is the schematic representation that is provided with of the utility model one preferred embodiment.

Embodiment

See also Fig. 1 to Fig. 4, the inflation group 10 of the utility model one pneumatic cylinder that preferred embodiment provides includes a cylinder body 20, one airtight piston 30, one central siphons 40, one unidirectional valve 50, one unidirectional non-return pistons 60, and an axostylus axostyle 70.

This cylinder body 20 is in a tubular form, and its inner hollow forms an air chamber 22, and the top of this cylinder body 20 is provided with a two-way valve 23, and the bottom then is provided with an opening 24 and is communicated with this air chamber 22 with extraneous.

This airtight piston 30 is that plug is located in this air chamber 22, and its outer rim is provided with two packing rings 32, and the gas in this air chamber 22 can not leaked.

This central siphon 40 is by extending under these airtight piston 30 mediads, and passes this opening 24 and extend to outside this cylinder body 20, and these central siphon 40 positon of near bottom also offer radially a through hole 42.

This unidirectional valve 50 is to be located on this airtight piston 30, only allows gas by entering in this air chamber 22 in this central siphon 40.

This cover is to be located in this central siphon 40 to non-return piston 60, between this airtight piston 30 and this unidirectional non-return piston 60, to form a pressurized chamber (figure does not show), these unidirectional non-return piston 60 tolerable gases enter in this pressurized chamber, and prevent that gas is by releasing in this pressurized chamber.

This axostylus axostyle 70 is by extending under these unidirectional non-return piston 60 mediads, its bottom is provided with an inserted part 72 and is positioned at this central siphon 40, and one grip part 78 be positioned at outside this central siphon 40, this inserted part 72 is provided with the through hole 42 that 74 pairs of cross-drilled holes should central siphon 40, this cross-drilled hole 74 includes an internal thread part 741 usefulness and establishes for a stud bolt 75 spiral shells, one large-diameter portion 742, and a minor diameter part 743 are between this large and small footpath portion 742,743 and form a shoulder face 744; This cross-drilled hole 74; In this cross-drilled hole 74 except that this bolt 75, an elastic component 76 and a fore-set 77 also have been installed with, this fore-set 77 is to include a head 771 to be located in this large-diameter portion 742, and the whole body portion 772 is extended by these head 771 central authorities and is arranged in this minor diameter part 743, this elastic component 76 is the head 771 that is held in this stud bolt 75 and this fore-set 77 with its two end respectively as spring, this fore-set 77 is subjected to replacing of this elastic component 76 and to convexedly stretch in this cross-drilled hole 74 with its body portion 772 outer and be arranged in the through hole 42 of this central siphon 40, and the head 771 of this fore-set 77 makes this cross-drilled hole 74 of fore-set 77 unlikely disengagings because of being subjected to holding of this shoulder face 744; Thus, this axostylus axostyle 70 can be connected together with this central siphon 40.

During actual the manufacturing, also can be in this axostylus axostyle 70 grip parts 78 peripheral hardwares, one external member 79, make things convenient for the user to grip or the effect of buffering is provided.

When user's desire is inflated to pneumatic cylinder, only need to push this fore-set 77 with hand, make it overcome the elastic force of this elastic component 76 and break away from this through hole 42, can make this axostylus axostyle 70 separate with this central siphon 40, and directly pump this axostylus axostyle 70 and inflate action, after inflation finishes, also only need this axostylus axostyle 70 is directly sent in this central siphon 40, this fore-set 77 will be subjected to this elastic component 76 to replace and insert in this through hole 42 when locating, with this axostylus axostyle 70 and these central siphon 40 positioning combination together, programmed sequence of operations is very easy, effectively improves the numerous and diverse shortcoming of existing structure program, thereby reaches the purpose of this utility model.

What be worth mentioning at last is, this pneumatic cylinder of many uses particularly can be applicable to the field of articles for use such as bouncing pin, as shown in Figure 5, is a pneumatic cylinder 82 that is installed on the bouncing pin 80.

To sum up institute is old, the utility model is by well-designed cylinder body, airtight piston, central siphon, unidirectional valve, the combination of unidirectional non-return piston and axostylus axostyle, form the very easy pneumatic cylinder inflation group of programmed sequence of operations of an inflation action, its unitary construction really at first creating and tool enhancement effect person, should meet the condition of novel patent, so apply for a patent in accordance with the law.

Claims (2)

1. the inflation group of a pneumatic cylinder is characterized in that, is to include:

One cylinder body, its inner hollow forms an air chamber, and an end of this cylinder body is provided with this air chamber of an open communication with extraneous;

One airtight piston is to be located in this air chamber;

One central siphon is to be extended by these airtight piston central authorities, and passes this opening and extend to outside this cylinder body, on this central siphon and offer a radial direction through hole;

One unidirectional valve is to be located on this airtight piston;

One unidirectional non-return piston is to be located in this central siphon, forms a pressurized chamber between this airtight, unidirectional non-return piston; And

One axostylus axostyle, be to extend by these unidirectional non-return piston central authorities, its free end is provided with a wedging position in this central siphon, and one the gripping site outside this central siphon, this inserted part is provided with a cross-drilled hole to through hole that should central siphon, be installed with an elastic component and a fore-set in this cross-drilled hole, this fore-set is to be subjected to replacing of this elastic component and to convexedly stretch in this cross-drilled hole with its free end outer and be arranged in the through hole of this central siphon.

2. according to the inflation group of the described pneumatic cylinder of claim 1, it is characterized in that wherein this cross-drilled hole includes an internal thread part of establishing for a stud bolt spiral shell, a large-diameter portion, and a minor diameter part are between this large and small footpath portion and form a shoulder face; This fore-set then includes a head and is located in this large-diameter portion, and the whole body portion is extended by these head central authorities and is arranged in this minor diameter part, this elastic component is the head that is held in this stud bolt and this fore-set with its two end respectively, and the head of this fore-set makes this cross-drilled hole of the unlikely disengaging of fore-set because of being subjected to holding of this shoulder face.

Images