CN204453948U - A kind of air-expanding shaft - Google Patents

A kind of air-expanding shaft Download PDF

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Publication number
CN204453948U
CN204453948U CN201520015538.XU CN201520015538U CN204453948U CN 204453948 U CN204453948 U CN 204453948U CN 201520015538 U CN201520015538 U CN 201520015538U CN 204453948 U CN204453948 U CN 204453948U
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CN
China
Prior art keywords
key bar
briquetting
axle
air
screw
Prior art date
Application number
CN201520015538.XU
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Chinese (zh)
Inventor
林帮付
Original Assignee
林帮付
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 林帮付 filed Critical 林帮付
Priority to CN201520015538.XU priority Critical patent/CN204453948U/en
Application granted granted Critical
Publication of CN204453948U publication Critical patent/CN204453948U/en

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Abstract

The utility model discloses a kind of air-expanding shaft, comprise axis body assembly, key bar and briquetting, wherein, above-mentioned axis body assembly comprises base plate and axle body, axle body is cylindrical structure, and axle body is fixedly installed on base plate, and the periphery of axle body has at least two key bar grooves, key bar groove is arranged along the periphery interval of axle body, and extends along the axial direction of axle body; In above-mentioned key bar sunk key bar groove, and be removably fixed in key bar groove by briquetting.The utility model adopts the key bar of double-decker layer, improves key bar resistance to abrasion, and adopts detouchable structure design, make convenient to disassembly, be convenient to part exchanging.

Description

A kind of air-expanding shaft

Technical field

The utility model relates to axle class, refers in particular to a kind of air-expanding shaft.

Background technology

Air-expanding shaft is a kind of special rolling, unreeling shaft, namely can the axle of projection through high-pressure aerated rear surface, and the axle that venting rear surface part is retracted rapidly is called air-expanding shaft.Air-expanding shaft, air expansion sleeve is extremely easy to use, fast, only for oneself source of the gas need be provided, air-pressure controlling is within the scope of 6-8kg/cm2, when need lock outside parts (such as circular paper tube), as long as air gun just can complete facing to the valve inflation on air-expanding shaft, withstand outside parts (such as circular paper tube), when need loosen paper discharging, just can take out with the sliding outside parts (such as circular paper tube) that hand is pressed on valve, after air-expanding shaft inflation, the key bar be embedded on air-expanding shaft axis body can be given prominence to, so that tensioning, existing inflatable axle key bar generally adopts caoutchous material to make, although the requirement of inflation projection can be met, but wear no resistance, the service life of key bar is short, in addition, key bar generally adopts the design directly embedded in axis body, designs with axis body integrated molding, and therefore, its dismounting difficulty is large, the replacing of inconvenient key bar.

Utility model content

The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, provides a kind of key bar adopting double-decker layer, improves key bar resistance to abrasion, and adopt detouchable structure design, make convenient to disassembly, be convenient to the air-expanding shaft of part exchanging.

The technical scheme that the utility model is taked is as follows: a kind of air-expanding shaft, comprise axis body assembly, key bar and briquetting, wherein, above-mentioned axis body assembly comprises base plate and axle body, axle body is cylindrical structure, and axle body is fixedly installed on base plate, and the periphery of axle body has at least two key bar grooves, key bar groove is arranged along the periphery interval of axle body, and extends along the axial direction of axle body; In above-mentioned key bar sunk key bar groove, and be removably fixed in key bar groove by briquetting.

Preferably, described key bar groove comprises six, and six key bar grooves are arranged along the periphery interval of axle body, and the two ends of key bar groove are respectively equipped with block slots, and above-mentioned briquetting embeds in block slots, and compresses key bar.

Preferably, be provided with the first screw in described block slots, the first screw is corresponding with the second screw on briquetting to be arranged, by inserting in screw to the first screw and the second screw, to be fixed on axle body by briquetting.

Preferably, described briquetting comprises briquetting body, indent and the second screw, and wherein, above-mentioned briquetting body is block structure, and indent is opened in one end of briquetting body, and indent is recessed to form seal face downwards, and seal face is adjacent to the surface of key bar, to compress key bar; Above-mentioned second screw is arranged on briquetting body, and runs through briquetting body.

Preferably, described key bar comprises key bar cover and key bar core, and wherein, key bar cover is list structure, and the inside of key bar cover has key bar groove, and above-mentioned key bar core is arranged in key bar groove.

Preferably, described key bar cover is metallic material, and key bar core is elastomeric material.

Preferably, described base plate is provided with at least two mounting holes, to install fixing.

The beneficial effects of the utility model are:

The utility model carries out reformed AHP for the defect of prior art, devise a kind of key bar with double layer material structure, existing caoutchous key bar is replaced with the key bar cover that skin is made for aluminum alloy materials, the key bar core that centre is made for elastomeric material, key bar cover is combined with key bar core and designs, the original function of the key bar both ensured, simultaneously, outer field key bar cover improves key bar resistance to abrasion, and key bar is improved service life greatly; The air-expanding shaft of existing 5 key bars is improved to 6 key bar structures, after many key bars improve flatulence, turns the effect of thing; In addition, key bar sunk key bar groove adopts removably vibrational power flow, the two ends of key bar groove are respectively equipped with indent, indent is embedded in briquetting, the indent of briquetting compresses key bar, and is removably fixed on axle body by screw, this kind of detouchable structure, greatly reduce part dismounting difficulty, make part exchanging more simple and fast.

Accompanying drawing explanation

Fig. 1 is perspective view of the present utility model.

Fig. 2 is front view of the present utility model.

Fig. 3 is the birds-eye view of Fig. 2.

Fig. 4 is the lateral plan of Fig. 2.

Fig. 5 is the perspective view of key bar in Fig. 1.

Fig. 6 is the perspective view of briquetting in Fig. 1.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figures 1 to 6, the technical scheme that the utility model is taked is as follows: a kind of air-expanding shaft, comprise axis body assembly, key bar 7 and briquetting 8, wherein, above-mentioned axis body assembly comprises base plate 1 and axle body 2, and axle body 2 is cylindrical structure, axle body 2 is fixedly installed on base plate 1, the periphery of axle body 2 has at least two key bar grooves 3, and key bar groove 3 is arranged along the periphery interval of axle body 2, and extends along the axial direction of axle body 2; In above-mentioned key bar 7 sunk key bar groove 3, and be removably fixed in key bar groove 3 by briquetting 8.

Key bar groove 3 comprises six, and six key bar grooves 3 are arranged along the periphery interval of axle body 2, and the two ends of key bar groove 3 are respectively equipped with block slots 4, and above-mentioned briquetting 8 embeds in block slots 4, and compresses key bar 7.

Be provided with in block slots 4 that first screw 5, first screw 5 is corresponding with the second screw 83 on briquetting 8 to be arranged, by inserting in screw to the first screw 5 and the second screw 83, to be fixed on axle body 2 by briquetting 8.

Briquetting 8 comprises briquetting body 81, indent 82 and the second screw 83, and wherein, above-mentioned briquetting body 1 is block structure, indent 82 is opened in one end of briquetting body 81, indent 82 is recessed to form seal face downwards, and seal face is adjacent to the surface of key bar 7, to compress key bar 7; Above-mentioned second screw 83 is arranged on briquetting body 81, and runs through briquetting body 81.

Key bar 7 comprises key bar cover 71 and key bar core 72, and wherein, key bar cover 71 is list structure, and the inside of key bar cover 71 has key bar groove, and above-mentioned key bar core 72 is arranged in key bar groove.

Key bar cover 71 is metallic material, and key bar core 72 is elastomeric material.

Base plate 1 is provided with at least two mounting holes 6, to install fixing.

Further, the utility model devises a kind of key bar with double layer material structure, existing caoutchous key bar is replaced with the key bar cover that skin is made for aluminum alloy materials, the key bar core that centre is made for elastomeric material, key bar cover is combined with key bar core and designs, the original function of the key bar both ensured, simultaneously, outer field key bar cover improves key bar resistance to abrasion, and key bar is improved service life greatly; The air-expanding shaft of existing 5 key bars is improved to 6 key bar structures, after many key bars improve flatulence, turns the effect of thing; In addition, key bar sunk key bar groove adopts removably vibrational power flow, the two ends of key bar groove are respectively equipped with indent, indent is embedded in briquetting, the indent of briquetting compresses key bar, and is removably fixed on axle body by screw, this kind of detouchable structure, greatly reduce part dismounting difficulty, make part exchanging more simple and fast.

Embodiment of the present utility model just introduces its detailed description of the invention, does not lie in and limits its protection domain.The technical personnel of the industry can make some amendment under the inspiration of the present embodiment, therefore all equivalences done according to the utility model the scope of the claims change or modify, and all belong within the scope of the utility model Patent right requirement.

Claims (7)

1. an air-expanding shaft, it is characterized in that: comprise axis body assembly, key bar (7) and briquetting (8), wherein, above-mentioned axis body assembly comprises base plate (1) and axle body (2), axle body (2) is cylindrical structure, axle body (2) is fixedly installed on base plate (1), the periphery of axle body (2) has at least two key bar grooves (3), key bar groove (3) is arranged along the periphery interval of axle body (2), and extends along the axial direction of axle body (2); In above-mentioned key bar (7) sunk key bar groove (3), and be removably fixed in key bar groove (3) by briquetting (8).
2. a kind of air-expanding shaft according to claim 1, it is characterized in that: described key bar groove (3) comprises six, six key bar grooves (3) are arranged along the periphery interval of axle body (2), the two ends of key bar groove (3) are respectively equipped with block slots (4), above-mentioned briquetting (8) embeds in block slots (4), and compresses key bar (7).
3. a kind of air-expanding shaft according to claim 2, it is characterized in that: in described block slots (4), be provided with the first screw (5), first screw (5) is corresponding with the second screw (83) on briquetting (8) to be arranged, by inserting in screw to the first screw (5) and the second screw (83), briquetting (8) is fixed on axle body (2).
4. a kind of air-expanding shaft according to claim 3, it is characterized in that: described briquetting (8) comprises briquetting body (81), indent (82) and the second screw (83), wherein, above-mentioned briquetting body (1) is block structure, indent (82) is opened in one end of briquetting body (81), indent (82) is recessed to form seal face downwards, seal face is adjacent to the surface of key bar (7), to compress key bar (7); Above-mentioned second screw (83) is arranged on briquetting body (81), and runs through briquetting body (81).
5. a kind of air-expanding shaft according to claim 4, it is characterized in that: described key bar (7) comprises key bar cover (71) and key bar core (72), wherein, key bar cover (71) is list structure, the inside of key bar cover (71) has key bar groove, and above-mentioned key bar core (72) is arranged in key bar groove.
6. a kind of air-expanding shaft according to claim 5, is characterized in that: described key bar cover (71) is metallic material, and key bar core (72) is elastomeric material.
7. a kind of air-expanding shaft according to any one of claim 1-6, is characterized in that: described base plate (1) is provided with at least two mounting holes (6), to install fixing.
CN201520015538.XU 2015-01-12 2015-01-12 A kind of air-expanding shaft CN204453948U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520015538.XU CN204453948U (en) 2015-01-12 2015-01-12 A kind of air-expanding shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520015538.XU CN204453948U (en) 2015-01-12 2015-01-12 A kind of air-expanding shaft

Publications (1)

Publication Number Publication Date
CN204453948U true CN204453948U (en) 2015-07-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520015538.XU CN204453948U (en) 2015-01-12 2015-01-12 A kind of air-expanding shaft

Country Status (1)

Country Link
CN (1) CN204453948U (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106348071A (en) * 2016-09-26 2017-01-25 东莞市联洲知识产权运营管理有限公司 Glass decoration film sending device
CN106429564A (en) * 2016-09-26 2017-02-22 东莞市联洲知识产权运营管理有限公司 Glass heat insulating film coiling device
CN106429563A (en) * 2016-09-26 2017-02-22 东莞市联洲知识产权运营管理有限公司 Film rolling mechanism of glass film production line
CN106429558A (en) * 2016-09-26 2017-02-22 东莞市联洲知识产权运营管理有限公司 Mobile glass decorative film winding device
CN106629166A (en) * 2016-09-26 2017-05-10 东莞市联洲知识产权运营管理有限公司 Automotive glass heat-insulating film winding device
CN109353898A (en) * 2018-11-29 2019-02-19 广州里工实业有限公司 Fast disassembly type spline air-expanding shaft
CN109720917A (en) * 2019-01-08 2019-05-07 镇江安之盾高温纤维制品有限公司 A kind of dedicated feeding tooling of special fibre cloth production
CN110042213A (en) * 2019-06-06 2019-07-23 安徽中巨机电设备有限公司 A kind of hanger convenient for part is adjusted when assembly

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106348071A (en) * 2016-09-26 2017-01-25 东莞市联洲知识产权运营管理有限公司 Glass decoration film sending device
CN106429564A (en) * 2016-09-26 2017-02-22 东莞市联洲知识产权运营管理有限公司 Glass heat insulating film coiling device
CN106429563A (en) * 2016-09-26 2017-02-22 东莞市联洲知识产权运营管理有限公司 Film rolling mechanism of glass film production line
CN106429558A (en) * 2016-09-26 2017-02-22 东莞市联洲知识产权运营管理有限公司 Mobile glass decorative film winding device
CN106629166A (en) * 2016-09-26 2017-05-10 东莞市联洲知识产权运营管理有限公司 Automotive glass heat-insulating film winding device
CN106429558B (en) * 2016-09-26 2017-12-08 江苏智光创业投资有限公司 A kind of portable glass decoration film coiler device
CN106429563B (en) * 2016-09-26 2018-06-19 佛山市顺德区一骏实业有限公司 A kind of membrane coiler structure of glass film production line
CN106348071B (en) * 2016-09-26 2018-08-14 广州万粤知识产权运营有限公司 A kind of glass decoration film film feeder
CN109353898A (en) * 2018-11-29 2019-02-19 广州里工实业有限公司 Fast disassembly type spline air-expanding shaft
CN109720917A (en) * 2019-01-08 2019-05-07 镇江安之盾高温纤维制品有限公司 A kind of dedicated feeding tooling of special fibre cloth production
CN110042213A (en) * 2019-06-06 2019-07-23 安徽中巨机电设备有限公司 A kind of hanger convenient for part is adjusted when assembly

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