CN104236805A - Tightness detection tool - Google Patents

Tightness detection tool Download PDF

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Publication number
CN104236805A
CN104236805A CN201410502461.9A CN201410502461A CN104236805A CN 104236805 A CN104236805 A CN 104236805A CN 201410502461 A CN201410502461 A CN 201410502461A CN 104236805 A CN104236805 A CN 104236805A
Authority
CN
China
Prior art keywords
worktable
fixed
cylinder
shell
pipe
Prior art date
Application number
CN201410502461.9A
Other languages
Chinese (zh)
Inventor
徐曦东
林国峰
曾韦
Original Assignee
宁波旭升机械有限公司
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 宁波旭升机械有限公司 filed Critical 宁波旭升机械有限公司
Priority to CN201410502461.9A priority Critical patent/CN104236805A/en
Publication of CN104236805A publication Critical patent/CN104236805A/en

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Abstract

The invention relates to a tightness detection tool comprising a housing, a cylinder, a bench, springs, an intake pipe and an exhaust pipe. The cylinder is fixed inside the housing. A press plate which is round is fixed at the lower end of a piston rod of the cylinder. A moving rubber pad identical to the press plate in shape is adhered to the lower surface of the press plate. The bench is arranged right under the press plate. Telescopic bars which are vertically arranged are fixed under the bench and sleeved with the springs. A fixed rubber pad is adhered to the upper surface of the bench. The fixed rubber pad which is circular is arranged outside an air hole. The tightness detection tool has the advantages that the moving rubber pad, the springs and the telescopic bars can buffer rigid pressure of the cylinder upon a workpiece, sufficient pressure is provided to fix a workpiece, the workpiece is also protected, damage is avoided, a seal ring is arranged at the connection of a hose and an external pipe to improve connection tightness, misleading to measurement results is avoided, and measurement results are accurate.

Description

Air-tightness detection tool device

Technical field

The present invention relates to mechanical frock field, specifically air-tightness detection tool device.

Background technology

Oil pump requires very high to impermeability usually, need during detection to ensure that pick-up unit seals completely, the accuracy that such guarantee is measured, along with oil pump structure design, the manufacturing technology mouth different moon is new, various forms of oil pump cavity is designed to make, and requires more and more higher, and the sealing in cavity is most important, how to prove that cavity is not revealed, how to be detected as the key of problem; And the oil pump that common package seal checker is detected is clamped in tank by clamp device, but when clamp device is exerted oneself larger, destruction is produced to oil pump, affect the antirust coat outside oil pump, oil pump is easily above become rusty; And gas leakage is easy to the junction of inflating in oil pump, affect monitoring result.

Summary of the invention

The object of the present invention is to provide a kind ofly both provided enough pressure fixing workpiece, protected workpiece again, avoided damaging, and good airproof performance, testing result is air-tightness detection tool device accurately, to solve the problem proposed in above-mentioned background technology.

For achieving the above object, the invention provides following technical scheme:

Air-tightness detection tool device, comprises shell, cylinder, worktable, spring, blast pipe and discharge pipe; In described fixed outer cylinder shell, and cylinder is positioned at the top of shell, and the lower end of the piston rod of cylinder is fixed with circular pressing plate, and the lower surface of pressing plate is bonded with the active rubber pad identical with platen shape; Worktable is provided with immediately below described pressing plate, the expansion link on vertical direction is fixed with below worktable, on expansion link, cover has spring, the upper end of spring is fixed on the lower surface of worktable, the lower end of spring is fixed on the bottom of shell, communicating pipe is provided with in described worktable, the two ends of communicating pipe are respectively communicated with one section of flexible pipe, other one end of the flexible pipe of left end is communicated with blast pipe by the O-ring seal be arranged on shell, and other one end of the flexible pipe of right-hand member is communicated with discharge pipe by the O-ring seal be arranged on shell; On described communicating pipe, offer several pores, pore is communicated with the upper surface of worktable through worktable; The upper surface of described worktable is bonded with fixing rubber blanket, and fixing rubber blanket is ring texture, and the fixing axis of rubber blanket and the dead in line of pressing plate, described ring-type fixes the outside that rubber blanket is positioned at pore.

Further: the material of described pressing plate is stainless steel, the material of flexible pipe is plastics.

Further: the thickness of described active rubber pad is 20 ~ 30mm.

Further: described expansion link is provided with 2 ~ 4.

Compared with prior art; the invention has the beneficial effects as follows: active rubber pad, spring and expansion link in the present invention can bounce cylinder to the rigid pressure of workpiece; enough pressure fixing workpiece were both provided; protect workpiece again; avoid damaging; at flexible pipe and extraneous pipeline junction, O-ring seal being set to improve the sealing of tracheae when being connected, avoiding causing misleading to measurement result, ensure that measurement result is accurate.

Accompanying drawing explanation

Fig. 1 is the structural representation of air-tightness detection tool device.

In figure: 1-shell, 2-cylinder, 3-worktable, 4-fixes rubber blanket, 5-pressing plate, 6-active rubber pad, 7-communicating pipe, 8-O-ring seal, 9-flexible pipe, 10-pore, 11-spring, 12-expansion link, 13-blast pipe, 14-discharge pipe.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

Refer to figure, in the embodiment of the present invention, air-tightness detection tool device, comprises shell 1, cylinder 2, worktable 3, spring 11, blast pipe 13 and discharge pipe 14, described cylinder 2 is fixed in shell 1, and cylinder 2 is positioned at the top of shell 1, the lower end of the piston rod of cylinder 2 is fixed with circular pressing plate 5, the material of pressing plate 5 is stainless steel, the lower surface of pressing plate 5 is bonded with the active rubber pad 6 identical with pressing plate 5 shape, and the thickness of active rubber pad 6 is 20 ~ 30mm, worktable 3 is provided with immediately below described pressing plate 5, the expansion link 12 on vertical direction is fixed with below worktable 3, expansion link 12 is provided with 2 ~ 4, on expansion link 12, cover has spring 12, the upper end of spring 12 is fixed on the lower surface of worktable 3, the lower end of spring 12 is fixed on the bottom of shell 1, communicating pipe 7 is provided with in described worktable 3, the two ends of communicating pipe 7 are respectively communicated with one section of flexible pipe 9, the material of flexible pipe 9 is plastics, other one end of the flexible pipe 9 of left end is communicated with blast pipe 13 by the O-ring seal 8 be arranged on shell 1, other one end of the flexible pipe 9 of right-hand member is communicated with discharge pipe 14 by the O-ring seal 8 be arranged on shell 1, on described communicating pipe 7, offer several pores 10, pore 10 is communicated with the upper surface of worktable 3 through worktable 3, the upper surface of described worktable 3 is bonded with fixing rubber blanket 4, fixing rubber blanket 4 is ring texture, the fixing axis of rubber blanket 4 and the dead in line of pressing plate 5, described ring-type fixes the outside that rubber blanket 4 is positioned at pore 10, and the middle cavity making ring-type fix rubber blanket 4 is communicated with pore 10.

When detecting the sealing situation of oil pump, oil band is surveyed the upper surface that workpiece is placed in the fixing rubber blanket 4 on worktable 3, make the gas outlet seal of workpiece in the cavity of fixing rubber blanket 4, start cylinder 2, pressing plate 5 on piston rod is pressed down, active rubber pad 6 and absorption surface, rubber is soft, keep away defective work piece, worktable 3 is subject to downward pressure, spring 11 is compressed, worktable 3 moves down, alleviate the rigid pressure of pressing plate 5 pairs of workpiece, protection workpiece, after fixing, water is filled with to shell 1, the water surface is made to flood workpiece, blast with gas from blast pipe 13 again, gas enters in workpiece through communicating pipe 7 and pore 10, impermeability in workpiece is detected.

To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.

In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.

Claims (4)

1. air-tightness detection tool device, comprises shell (1), cylinder (2), worktable (3), spring (11), blast pipe (13) and discharge pipe (14), it is characterized in that: described cylinder (2) is fixed in shell (1), and cylinder (2) is positioned at the top of shell (1), the lower end of the piston rod of cylinder (2) is fixed with circular pressing plate (5), and the lower surface of pressing plate (5) is bonded with the active rubber pad (6) identical with pressing plate (5) shape, worktable (3) is provided with immediately below described pressing plate (5), the expansion link (12) on vertical direction is fixed with below worktable (3), spring (12) is had at the upper cover of expansion link (12), the upper end of spring (12) is fixed on the lower surface of worktable (3), the lower end of spring (12) is fixed on the bottom of shell (1), communicating pipe (7) is provided with in described worktable (3), the two ends of communicating pipe (7) are respectively communicated with one section of flexible pipe (9), other one end of the flexible pipe (9) of left end is communicated with blast pipe (13) by the O-ring seal (8) be arranged on shell (1), other one end of the flexible pipe (9) of right-hand member is communicated with discharge pipe (14) by the O-ring seal (8) be arranged on shell (1), on described communicating pipe (7), offer several pores (10), pore (10) is communicated with through the upper surface of worktable (3) with worktable (3), the upper surface of described worktable (3) is bonded with fixing rubber blanket (4), and fixing rubber blanket (4) is ring texture, and the fixing axis of rubber blanket (4) and the dead in line of pressing plate (5), described ring-type fixes the outside that rubber blanket (4) is positioned at pore (10).
2. air-tightness detection tool device according to claim 1, is characterized in that: the material of described pressing plate (5) is stainless steel, and the material of flexible pipe (9) is plastics.
3. air-tightness detection tool device according to claim 1, is characterized in that: the thickness of described active rubber pad (6) is 20 ~ 30mm.
4. air-tightness detection tool device according to claim 1, is characterized in that: described expansion link (12) is provided with 2 ~ 4.
CN201410502461.9A 2014-09-26 2014-09-26 Tightness detection tool CN104236805A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410502461.9A CN104236805A (en) 2014-09-26 2014-09-26 Tightness detection tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410502461.9A CN104236805A (en) 2014-09-26 2014-09-26 Tightness detection tool

Publications (1)

Publication Number Publication Date
CN104236805A true CN104236805A (en) 2014-12-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410502461.9A CN104236805A (en) 2014-09-26 2014-09-26 Tightness detection tool

Country Status (1)

Country Link
CN (1) CN104236805A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105619290A (en) * 2015-12-31 2016-06-01 武汉铁盾民防工程有限公司 Sealing valve compression detection device
CN108168789A (en) * 2017-12-21 2018-06-15 重庆晓微城企业孵化器有限公司 A kind of watertightness airtightness test table fixing seal device
CN108692878A (en) * 2018-08-07 2018-10-23 安徽信息工程学院 Gas hood structure for filter seals detection

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0638757A1 (en) * 1993-08-13 1995-02-15 Daimler-Benz Aerospace Aktiengesellschaft Apparatus for testing and/or repairing channels
JP2003065882A (en) * 2001-08-24 2003-03-05 Honda Motor Co Ltd Pressure leak inspection method and inspection device of oil seal
CN201302506Y (en) * 2008-11-03 2009-09-02 书元机械企业(昆山)有限公司 Oil seal air-tightness detection device
CN203587297U (en) * 2013-09-04 2014-05-07 江西长江化工有限责任公司 General air tightness quick detection device for glass fiber reinforced plastic seal cover
CN103868656A (en) * 2014-03-25 2014-06-18 中信戴卡股份有限公司 Wheel airtightness detection machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0638757A1 (en) * 1993-08-13 1995-02-15 Daimler-Benz Aerospace Aktiengesellschaft Apparatus for testing and/or repairing channels
JP2003065882A (en) * 2001-08-24 2003-03-05 Honda Motor Co Ltd Pressure leak inspection method and inspection device of oil seal
CN201302506Y (en) * 2008-11-03 2009-09-02 书元机械企业(昆山)有限公司 Oil seal air-tightness detection device
CN203587297U (en) * 2013-09-04 2014-05-07 江西长江化工有限责任公司 General air tightness quick detection device for glass fiber reinforced plastic seal cover
CN103868656A (en) * 2014-03-25 2014-06-18 中信戴卡股份有限公司 Wheel airtightness detection machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105619290A (en) * 2015-12-31 2016-06-01 武汉铁盾民防工程有限公司 Sealing valve compression detection device
CN108168789A (en) * 2017-12-21 2018-06-15 重庆晓微城企业孵化器有限公司 A kind of watertightness airtightness test table fixing seal device
CN108168789B (en) * 2017-12-21 2019-07-23 重庆晓微城企业孵化器有限公司 A kind of watertightness airtightness test table fixing seal device
CN108692878A (en) * 2018-08-07 2018-10-23 安徽信息工程学院 Gas hood structure for filter seals detection

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C06 Publication
PB01 Publication
COR Change of bibliographic data
CB02 Change of applicant information

Address after: 315806, No. 68 North Lake Road, Beilun District, Zhejiang, Ningbo

Applicant after: NINGBO XUSHENG AUTO TECHNOLOGY CO., LTD.

Address before: 315806, No. 68 North Lake Road, Beilun District, Zhejiang, Ningbo

Applicant before: Ningbo Xusheng Machinery Co., Ltd.

Address after: 315806, No. 68 North Lake Road, Beilun District, Zhejiang, Ningbo

Applicant after: NINGBO XUSHENG AUTO TECHNOLOGY CO., LTD.

Address before: 315806, No. 68 North Lake Road, Beilun District, Zhejiang, Ningbo

Applicant before: Ningbo Xusheng Machinery Co., Ltd.

SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20141224