CN104155057B - Linkage compression type pump body gas tightness detecting clamp - Google Patents

Linkage compression type pump body gas tightness detecting clamp Download PDF

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Publication number
CN104155057B
CN104155057B CN201410345259.XA CN201410345259A CN104155057B CN 104155057 B CN104155057 B CN 104155057B CN 201410345259 A CN201410345259 A CN 201410345259A CN 104155057 B CN104155057 B CN 104155057B
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CN
China
Prior art keywords
pump housing
linkage
compressing
cylinder
compression
Prior art date
Application number
CN201410345259.XA
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Chinese (zh)
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CN104155057A (en
Inventor
夏坤财
Original Assignee
芜湖恒坤汽车部件有限公司
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Priority to CN201410345259.XA priority Critical patent/CN104155057B/en
Publication of CN104155057A publication Critical patent/CN104155057A/en
Application granted granted Critical
Publication of CN104155057B publication Critical patent/CN104155057B/en

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Abstract

The invention relates to a linkage compression type pump body gas tightness detecting clamp. The linkage compression type pump body gas tightness detecting clamp comprises a baseplate, wherein a detecting air cylinder is fixed on the rear side of the baseplate; a horizontal baffle is arranged at the middle part of the baseplate; a longitudinal round hole is formed in the middle of the baffle; a pump body is communicated in the round hole; a compressing air cylinder is fixed on the front side of the baseplate; a left linkage compressing device and a right linkage compressing device are arranged in the middle of the baseplate and are symmetrically arranged on the left side and the right side of the axis of the compressing air cylinder. According to the invention, the linkage compression type is adopted, so that the number of the air cylinder is reduced, the production cost is reduced, and the convenience for detection is increased; the synchronism of devices on the compression of the pump body is improved, the pump body offset phenomenon caused due to the pump body compressed by a plurality of independent air cylinders respectively can be avoided, the pump body don't need to be adjusted and calibrated by the detecting air cylinder, and the detection efficiency and the production efficiency can be improved.

Description

A kind of linkage compression-type pump housing clamp for detecting air tightness
Technical field
The present invention relates to clamp art, specifically a kind of linkage compression-type pump housing air-leakage test folder Tool.
Background technology
Daily seen automotive interior is designed with the pump housings such as master cylinder, brake cylinder and clutch master cylinder, system Dynamic master cylinder also referred to as brakes main oil (gas) cylinder, and its Main Function is to promote brake fluid (or gas) transmission Piston is promoted to each brake cylinder;Brake cylinder (wheel cylinder) is in the brakes of multi-form Also there is different appearance, but they are the same in essential aspect, be all introduced into brake fluid, then promote Piston among wheel cylinder backs down brake-shoe or brake rubber block and contacts with brake rim or brake disc;Clutch master cylinder is Being connected to clutch foot plate the part being connected by oil pipe with clutch booster, effect is to gather pedal Travel information makes clutch realize separating by the effect of booster;This type of pump housing is all by gas or liquid Medium work, thus it is guaranteed that the air-tightness of the pump housing is all particularly important, the air-tightness of the pump housing is not enough The accident that is easily caused occurs.
During detection pump housing air-tightness, need to fix the pump housing, pump trachea is arranged on the axle of cylinder End, makes cylinder detection cylinder, then pump trachea is pressed on the axle of cylinder oil (gas) road of the pump housing Port, carries out air-leakage test.
The scheme fixing the pump housing in prior art is: use three cylinders respectively from the three of the pump housing directions by pump Body is fixed, but the action of three cylinders is difficult to keep consistent, and the cylinder of first action will be pump housing action backward Cylinder at extrude, make cylinder produce deflection, the impact detection alignment of cylinder and the accuracy of detection.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of linkage compression-type pump housing clamp for detecting air tightness.
The present invention solves its technical problem and realizes by the following technical solutions:
A kind of linkage compression-type pump housing clamp for detecting air tightness, including substrate, is fixed with inspection on rear side of described substrate Surveying cylinder, be provided with horizontal baffle plate in the middle part of substrate, described baffle plate central authorities are provided with longitudinal circular hole, described circular hole On be connected with the pump housing, the oil circuit port of the described pump housing is positioned at baffle plate rear, in use, the pump housing through circular hole Oil circuit port, by detecting cylinder-pressing, is fixed with the compression cylinder directly compressing the pump housing on front side of described substrate, Left interlock compressing device and right interlock compressing device, described left interlock compressing device it is additionally provided with in the middle part of described substrate Left and right symmetrical along the axis of compression cylinder with right interlock compressing device, left interlock compressing device and right Dynamic hold down gag common action under the effect of compression cylinder, distinguishes correspondence from the left and right two ends of the pump housing by pump Body is fixed.
Described left interlock compressing device includes a post and No. two posts, and a described post is positioned at the right side of No. two posts, Being cased with a bent plate on a number post, the right-hand member of a described bent plate is positioned at the dead astern of compression cylinder, in order to pressure The axle of tight cylinder is just pressed on the right-hand member of a bent plate after stretching out, thus by the left end of a bent plate forward Swinging, the left end of a bent plate is provided with left wheel, and described No. two posts are cased with No. two bent plates, described No. two songs Plate is arc, and the front end of No. two bent plates bends to the right, in order to left wheel, when swinging forward, can have enough Stroke the front end of No. two bent plates is promoted to the left, the front side of described No. two bent plates is pressed in left wheel, During a number bent plate left end swings forward, left wheel is along the right side rolls forward of No. two bent plates, by two The front end of number bent plate promotes to the left, under the leverage of No. two bent plate rear ends No. two posts in the middle part of No. two bent plates Swinging to the right, compressed by the pump housing, described right interlock compressing device correspondence is pressed in the right-hand member of the pump housing, due to a left side Interlock compressing device and the left and right symmetry of right interlock compressing device, pressuring action that the pump housing is subject to and thrust phase With, it is to avoid prior art cause the pump housing inclined owing to the most independent cylinder can not act simultaneously on the pump housing The situation moved.
The axle head of described compression cylinder is cased with compressing sheet, compresses sheet and increases the shaft compression of compression cylinder at No. one Area on bent plate, increases the compression stability of the pump housing.
A described bent plate is arc, and the right-hand member of a bent plate is that the shape of adaptation compression sheet can the most forward Bending.
The slideway adapting to left wheel it is provided with, in order to left wheel is at No. two songs on front side of the right side of described No. two bent plates Roll stabilization on plate.
The invention has the beneficial effects as follows: the present invention takes the mode that linkage compresses, and decreases the use number of cylinder Amount, reduces production cost and manufacture difficulty, improves the convenience of detection, improve device to pump housing pressure Tight synchronicity and accuracy, it is to avoid the pump housing is carried out compressing the pump housing produced by multiple independent cylinders respectively Shift phenomenon, decreases the trouble that the pump housing is adjusted, calibrates by detection cylinder, enhances detection and produces effect Rate.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the three-dimensional view of the present invention;
Fig. 2 is the top view of the present invention;
Fig. 3 is a bent plate and the annexation schematic diagram of No. two bent plates of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, Below in conjunction with being specifically illustrating, the present invention is expanded on further.
As shown in Figure 1 to Figure 3, a kind of linkage compression-type pump housing clamp for detecting air tightness, including substrate 1, institute State and on rear side of substrate 1, be fixed with detection cylinder 11, in the middle part of substrate 1, be provided with horizontal baffle plate 1a, described baffle plate 1a Central authorities are provided with longitudinal circular hole 1b, and described circular hole 1b is connected with the pump housing 10, the oil circuit port of the described pump housing 10 Being positioned at baffle plate 1a rear through circular hole 1b, in use, the oil circuit port of the pump housing 10 is by detecting cylinder 11 Compress, be fixed with the compression cylinder 3 directly compressing the pump housing 10 on front side of described substrate 1, in described substrate 1 Portion is additionally provided with left interlock compressing device 20 and right interlock compressing device 30, described left interlock compressing device 20 He Right interlock compressing device 30 is left and right symmetrical along the axis of compression cylinder 3, left interlock compressing device 20 With right interlock compressing device 30 common action under the effect of compression cylinder 3, correspondence is from the pump housing 10 respectively The pump housing 10 is fixed by left and right two ends.
Described left interlock compressing device 20 includes that a post 2 and No. two posts 7, a described post 2 are positioned at No. two The right side of post 7, a post 2 is cased with a bent plate 4, and the right-hand member of a described bent plate 4 is positioned at compression cylinder The dead astern of 3, in order to the axle of compression cylinder 3 is just pressed on the right-hand member of a bent plate 4 after stretching out, thus Being swung forward by the left end of a number bent plate 4, the left end of a bent plate 4 is provided with left wheel 5, described No. two posts 7 On be cased with No. two bent plates 6, described No. two bent plates 6 are arc, and the front end of No. two bent plates 6 bends to the right, with Just left wheel 5 is when swinging forward, can be promoted to the left the front end of No. two bent plates 6, No. two bent plates 6 Front side is pressed in left wheel 5, and the rear side of No. two bent plates 6 is pressed on the left end of the pump housing 10, at a bent plate 4 During left end swings forward, left wheel 5 is along the right side rolls forward of No. two bent plates 6, by No. two songs The front end of plate 6 promotes to the left, and No. two bent plate 6 rear ends swing under the leverage of No. two posts 7 to the right, Being compressed by the pump housing 10, described right interlock compressing device 30 correspondence is pressed in the right-hand member of the pump housing 10, owing to the Left-wing Federation is moved Hold down gag 20 and the right left and right symmetry of interlock compressing device 30, pressuring action that the pump housing 10 is subject to and compression Power is identical, it is to avoid cause on the pump housing 10 owing to the most independent cylinder can not act simultaneously in prior art The situation of the pump housing 10 skew.
The axle head of described compression cylinder 3 is cased with compressing sheet 8, compresses sheet 8 and increases the shaft compression of compression cylinder 3 Area on a bent plate 4, increases the compression stability of the pump housing 10.
A described bent plate 4 is arc, and the right-hand member of a bent plate 4 is that the shape adapting to compression sheet 8 can be fitted Work as bend forward.
The slideway 6a adapting to left wheel 5 it is provided with, in order to left wheel 5 on front side of the right side of described No. two bent plates 6 Roll stabilization on No. two bent plates 6.
In use, first the pump housing is placed on circular hole front end, the oil circuit port of the pump housing through circular hole towards rear, The rear end face of the pump housing is pressed on baffle plate, then starts compression cylinder, and the axle of compression cylinder stretches out, and is pressed in one The inner of number bent plate, and continue to promote backward to be pressed on the front end face of the pump housing, meanwhile, left interlock compressing device With the action simultaneously under the effect of compression cylinder of right interlock compressing device, respectively the pump housing is balanced from the left and right sides Compress, prevent the pump housing unbalance stress from producing deflection, then the detection device of detection cylinder is pressed on the pump housing Relevant position, carries out pump housing air-leakage test.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The industry Skilled person will appreciate that, the present invention is not restricted to the described embodiments, in above-described embodiment and description The principle that the present invention is simply described described, without departing from the spirit and scope of the present invention, the present invention Also having various changes and modifications, these changes and improvements both fall within scope of the claimed invention.This The claimed scope of invention is defined by appending claims and equivalent thereof.

Claims (3)

1. a linkage compression-type pump housing clamp for detecting air tightness, including substrate (1), described substrate (1) Rear side is fixed with detection cylinder (11), and substrate (1) middle part is provided with horizontal baffle plate (1a), described baffle plate (1a) Central authorities are provided with longitudinal circular hole (1b), and described circular hole (1b) is connected with the pump housing (10), described substrate (1) Front side is fixed with compression cylinder (3), it is characterised in that: it is tight that described substrate (1) middle part is additionally provided with Left-wing Federation's dynamic pressure Device (20) and right interlock compressing device (30), described left interlock compressing device (20) and right linkage compress Device (30) is left and right symmetrical along the axis of compression cylinder (3);
Described left interlock compressing device (20) includes a post (2) and No. two posts (7), a described post (2) It is positioned at the right side of No. two posts (7), a post (2) is cased with a bent plate (4), a described bent plate (4) Right-hand member be positioned at the dead astern of compression cylinder (3), the left end of a bent plate (4) is provided with left wheel (5), Being cased with No. two bent plates (6) on described No. two posts (7), described No. two bent plates (6) are arc, No. two songs The front side of plate (6) is pressed in left wheel (5), and the rear side of No. two bent plates (6) is pressed in a left side for the pump housing (10) On end.
A kind of linkage compression-type pump housing clamp for detecting air tightness the most according to claim 1, its feature exists In: the axle head of described compression cylinder (3) is cased with compressing sheet (8);The right-hand member of a described bent plate (4) to Front bending.
A kind of linkage compression-type pump housing clamp for detecting air tightness the most according to claim 1, its feature exists In: it is provided with the slideway (6a) adapting to left wheel (5) on front side of the right side of described No. two bent plates (6).
CN201410345259.XA 2014-07-19 2014-07-19 Linkage compression type pump body gas tightness detecting clamp CN104155057B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410345259.XA CN104155057B (en) 2014-07-19 2014-07-19 Linkage compression type pump body gas tightness detecting clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410345259.XA CN104155057B (en) 2014-07-19 2014-07-19 Linkage compression type pump body gas tightness detecting clamp

Publications (2)

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CN104155057A CN104155057A (en) 2014-11-19
CN104155057B true CN104155057B (en) 2017-01-11

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2297590A (en) * 1995-02-03 1996-08-07 Daimler Benz Ag A method for checking the brake system of a vehicle
CN101038229A (en) * 2007-04-27 2007-09-19 郭琅琅 Braking main cylinder vacuum sealing test bench
CN201488716U (en) * 2009-07-30 2010-05-26 杭州沃镭科技有限公司 Brake master cylinder idle stroke detecting device
CN201807877U (en) * 2010-09-28 2011-04-27 浙江凌翔科技有限公司 Assembly detector for first pistons of automobile braking main cylinders
CN202126231U (en) * 2011-06-24 2012-01-25 柳州长虹机器制造公司 Idle stroke detection table of car brake master cylinder and vacuum booster assembly
CN202903424U (en) * 2012-11-14 2013-04-24 台州市冠丰自动化设备有限公司 Water pump assembly air tightness leak testing machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2297590A (en) * 1995-02-03 1996-08-07 Daimler Benz Ag A method for checking the brake system of a vehicle
CN101038229A (en) * 2007-04-27 2007-09-19 郭琅琅 Braking main cylinder vacuum sealing test bench
CN201488716U (en) * 2009-07-30 2010-05-26 杭州沃镭科技有限公司 Brake master cylinder idle stroke detecting device
CN201807877U (en) * 2010-09-28 2011-04-27 浙江凌翔科技有限公司 Assembly detector for first pistons of automobile braking main cylinders
CN202126231U (en) * 2011-06-24 2012-01-25 柳州长虹机器制造公司 Idle stroke detection table of car brake master cylinder and vacuum booster assembly
CN202903424U (en) * 2012-11-14 2013-04-24 台州市冠丰自动化设备有限公司 Water pump assembly air tightness leak testing machine

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GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Gao Xiyong

Inventor before: Xia Kuncai

TR01 Transfer of patent right

Effective date of registration: 20180525

Address after: 210012 No. 8 Industrial Park, tie Xin Village, Yuhuatai, Jiangsu.

Patentee after: NANJING CF AUTO PARTS CO., LTD.

Address before: 241000 5 Yang Tian Road, Jiujiang District Economic Development Zone, Wuhu, Anhui

Patentee before: Wuhu Hengkun Auto Parts Co., Ltd.

TR01 Transfer of patent right
CB03 Change of inventor or designer information
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170111

Termination date: 20180719

CF01 Termination of patent right due to non-payment of annual fee