CN203272101U - Multi-way floating sealing device for detecting sealing performance of metering injection pump - Google Patents

Multi-way floating sealing device for detecting sealing performance of metering injection pump Download PDF

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Publication number
CN203272101U
CN203272101U CN 201320235815 CN201320235815U CN203272101U CN 203272101 U CN203272101 U CN 203272101U CN 201320235815 CN201320235815 CN 201320235815 CN 201320235815 U CN201320235815 U CN 201320235815U CN 203272101 U CN203272101 U CN 203272101U
Authority
CN
China
Prior art keywords
hole
vertical
sealing head
cylinder
vertical hole
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn - After Issue
Application number
CN 201320235815
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Chinese (zh)
Inventor
顾为成
夏家佳
徐德强
虞耀明
周建平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUXI ASSEMBLE AUTOMATION EQUIPMENT CO Ltd
Original Assignee
WUXI ASSEMBLE AUTOMATION EQUIPMENT CO Ltd
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.)
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Publication date
Application filed by WUXI ASSEMBLE AUTOMATION EQUIPMENT CO Ltd filed Critical WUXI ASSEMBLE AUTOMATION EQUIPMENT CO Ltd
Priority to CN 201320235815 priority Critical patent/CN203272101U/en
Application granted granted Critical
Publication of CN203272101U publication Critical patent/CN203272101U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a multi-way floating sealing device for detecting the sealing performance of a metering injection pump. The multi-way floating sealing device comprises a frame. A cylinder is arranged on the top of the frame, and a piston rod of the cylinder faces downwards. The multi-way floating sealing device is characterized in that an oil containing block is arranged below the cylinder, and the upper surface and the lower surface of the oil containing block are parallel. Vertical holes corresponding to connectors of a liquid inlet, a liquid returning opening and an injection opening of the measured metering injection pump are formed in the oil containing block. First sealing heads are arranged at the upper ends of the vertical holes. A pressure board and a supporting board are arranged on the upper face and the lower face of the oil containing oil respectively, and the outer end of the piston rod of the cylinder is connected with the pressure board. Shaft holes corresponding to the vertical holes are formed in the supporting board, and shafts are arranged in the shaft holes. The upper ends of the shafts penetrate through the shaft holes from the lower face of the supporting frame, then extend into the vertical holes and are fixed with second sealing heads. An oil inlet is formed in one side wall of the oil containing block, and adjacent vertical holes are communicated. The lower ends of the shafts are provided with pressing blocks, vertical blind holes are formed in the lower surfaces of the pressing blocks, and one sides of the pressing blocks are provided with vents which are communicated with the vertical blind holes. With the adoption of the multi-way floating sealing device, repeated detection is not needed, little time is consumed, efficiency is high, detection cost is low, and the multi-way floating sealing device is suitable for detecting the sealing performance of a metering injection pump body.

Description

The metering ejector pump sealability detects uses the multichannel floating sealing
Technical field
The utility model relates to a kind of testing apparatus.Specifically, be the multichannel floating sealing that detects metering ejector pump pump housing sealability.
Background technique
All know in the metering ejector pump manufacturing, for guaranteeing the quality of metering ejector pump, must the sealability of its pump housing be detected before metering ejector pump dispatches from the factory.Therefore, sealing property detection device all is equipped with in the metering ejector pump manufacturing.Traditional sealing property detection device comprises framework, and frame roof has cylinder, and the piston rod of described cylinder down.During detection, liquid entering hole, liquid return hole and jetburner erection joint respectively at detected metering ejector pump, and by hand on each joint the cover one seal ring, make under its piston rod by the startup cylinder and stretch, and be pressed in one by one on corresponding joint, supply gas respectively from liquid entering hole, liquid return hole and jetburner again, the sealability of metering ejector pump is detected.Although adopt this method can realize that the sealability of metering ejector pump detects, but there is following problem: the one, during due to detection, need by hand seal ring is enclosed within on joint, and need make joint aim at the piston rod of cylinder, strict to the position, time-consuming many, efficient is low.The 2nd, because seal ring often contacts with joint, and non-not Jian Ce, pressure does not wait, and makes that seal ring is easy to wear, the life-span is short.In case wear and tear, can affect the accuracy of testing result, make testing result inaccurate.The 3rd, because testing result is inaccurate, to recheck often, testing cost is high.
The model utility content
Problem to be solved in the utility model is to provide a kind of metering ejector pump sealability detection multichannel floating sealing.Adopt this seal arrangement, need not recheck, time-consuming less, efficient is high, testing cost is low.
For overcoming the above problems, take following technological scheme:
Metering ejector pump sealability of the present utility model detects and comprises framework with the multichannel floating sealing, frame roof has cylinder, the piston rod of described cylinder is characterized in that the appearance oil clot is arranged under cylinder down, the upper surface of described appearance oil clot and lower surface be the plane and both between parallel.Holding has the vertical hole corresponding with the knock-off joint at tested metering ejector pump liquid entering hole, liquid return hole and jetburner place on oil clot, all there is the first sealing head the upper end in vertical hole, is between described the first sealing head and corresponding vertical hole to seal shape and coordinate.Top and following pressing plate and the supporting plate of being fixed with respectively that holds oil clot, the piston rod outer end of described cylinder is connected to the upper surface center of described pressing plate.The axis hole corresponding with vertical hole arranged on described supporting plate, and described axis hole is less than described vertical hole.Axle is all arranged in described axis hole, and the upper end of axle is stretched in described vertical hole and is fixed with the second sealing head pass axis hole below supporting plate after, and is the slip shape between the second sealing head and described vertical hole vertical and is sealed and matched.On one sidewall of appearance oil clot, oil inlet hole is arranged, on the next door in adjacent vertical hole, through hole is arranged, described through hole and oil inlet hole are corresponding, and they all are between the first sealing head and the second sealing head.All there is briquetting the lower end of axle, and vertical blind hole is arranged on the briquetting lower surface, and briquetting one side has vent, and described vent is communicated with described vertical blind hole.Below described briquetting, sealed cap is arranged.
The cross section in described vertical hole is circular, and described the first sealing head is short cylindrical, on the cylindrical of described the first sealing head, peripheral groove is arranged, and O-ring seals is arranged in peripheral groove.
The cross section in described vertical hole is circular, and described the second sealing head is short cylindrical, on the cylindrical of described the second sealing head, peripheral groove is arranged, and O-ring seals is arranged in peripheral groove.
The further improvement of the utility model scheme is, described piston rod outer end is fixed on the upper surface of described pressing plate by joint and minute half a formula flange.
Take such scheme, have the following advantages:
Can be found out by such scheme, owing to being provided with the appearance oil clot under cylinder, hold the vertical hole corresponding with the joint at tested metering ejector pump liquid entering hole, liquid return hole and jetburner place arranged on oil clot, all there is the first sealing head the upper end in vertical hole, is between described the first sealing head and corresponding vertical hole to seal shape and coordinate.Top and following pressing plate and the supporting plate of being fixed with respectively that holds oil clot, the piston rod outer end of described cylinder is connected to the upper surface center of described pressing plate.The axis hole corresponding with vertical hole arranged on described supporting plate, and described axis hole is less than described vertical hole.Axle is all arranged in described axis hole, and the upper end of axle is stretched in described vertical hole and is fixed with the second sealing head pass axis hole below supporting plate after, and is the slip shape between the second sealing head and described vertical hole vertical and is sealed and matched.On one sidewall of appearance oil clot, oil inlet hole is arranged, on the next door in adjacent vertical hole, through hole is arranged, described through hole and oil inlet hole are corresponding, and they all are between the first sealing head and the second sealing head.All there is briquetting the lower end of axle, and vertical blind hole is arranged on the briquetting lower surface, and briquetting one side has vent, and described vent is communicated with described vertical blind hole.Below described briquetting, sealed cap is arranged.During detection, detected metering ejector pump is fixed on the base plate that holds the oil clot below, and in the erection joint respectively of the liquid entering hole of metering ejector pump, liquid return hole and jetburner, described joint lower end is the sealing shape inserts in corresponding mouthful, is processed with circumferential boss on joint cylindrical wherein.Start cylinder and make under its piston rod and stretches, corresponding upper end of joint is stretched into respectively in vertical blind hole on described corresponding briquetting, afterwards, continue to press down, the sealed cap on briquetting tightly is pressed on the circumferential boss of corresponding joint.Owing on the next door that holds the vertical hole of oil clot, through hole being arranged, make between each vertical hole to be connected.When stretching under continuing under holding the effect of oil clot at cylinder piston rod, the oil that that encounter at first joint holds in the vertical hole at the axle place on oil clot can be pressed against in two other vertical hole, thereby promote the axially lower motion in two other vertical hole, by that analogy, the self balancing principle of utilizing three vertical holes to be communicated with, make three axles to be pressed on each self-corresponding joint with the pressure that equates, and seal by the butt joint of rubber seal cap.Afterwards, by the vent on three sealing blocks is supplied gas, realize sealing detection.Do not need manual operations, the pressure that is pressed on each joint equates, time-consuming less, efficient is high.Seal ring is not easy to wear, the life-span is long.The testing result accuracy is high, makes testing result inaccurate.Need not recheck, testing cost is low.
Description of drawings
Fig. 1 is that metering ejector pump sealability of the present utility model detects with multichannel floating sealing structural representation.
Embodiment
As shown in Figure 1, metering ejector pump sealability of the present utility model detects and comprises framework with the multichannel floating sealing, this framework is square shape, its back timber 12 tops are provided with cylinder 10, be processed with the bar hole in the middle of back timber 12, the piston rod of described cylinder 10 stretches out under back timber 12 after passing described bar hole from back timber 12 tops.Be provided with under back timber 12 and hold oil clot 5, this appearance oil clot is in the below of cylinder 10.The upper surface of described appearance oil clot 5 and lower surface be the plane and both between parallel.Hold to be processed with the vertical hole 6 corresponding with the knock-off joint 9 at the liquid entering hole of tested metering ejector pump 20, liquid return hole and jetburner place on oil clot 5, the cross section in described vertical hole 6 be circle, and the upper end in each vertical hole 6 all is equipped with the first sealing head 7.Described the first sealing head is short cylindrical, is processed with peripheral groove on its cylindrical, and O-ring seals is installed in peripheral groove, makes described the first sealing head 7 and 6, corresponding vertical hole be the sealing shape by O-ring seals and coordinates.
Top and following pressing plate 13 and the supporting plate 16 of being fixed with respectively of described appearance oil clot 5, the piston rod outer end of described cylinder 10 are fixed on the upper surface center of described pressing plate 13 by knock-off joint 9 and minute half formula flange 8.
Be processed with the axis hole corresponding with vertical hole 6 on described supporting plate 16, described axis hole is less than described vertical hole 6.Axle 15 all is installed in described axis hole, and the upper end of axle 15 is stretched in described vertical hole 6 and is fixed with the second sealing head 4 pass axis hole below supporting plate 16 after.The cross section in described vertical hole 6 is circular, and described the second sealing head 4 is short cylindrical, is processed with peripheral groove on the cylindrical of described the second sealing head 4, and O-ring seals is installed in peripheral groove.Make by O-ring seals and be the slip shape between described the second sealing head 4 and described vertical hole 6 vertical and be sealed and matched.Be processed with oil inlet hole on one sidewall of appearance oil clot 5, be furnished with stopple 14 in oil inlet hole.On the next door 11 in adjacent vertical hole 6, through hole is arranged, described through hole and oil inlet hole are corresponding, and they all are between the first sealing head 7 and the second sealing head 4.By oil inlet hole, can add hydraulic oil.
Lower end at described axle 15 all is equipped with briquetting 3, is processed with vertical blind hole 18 on briquetting 3 lower surfaces, and briquetting 3 one sides are processed with vent 17, and described vent 17 is communicated with described vertical blind hole 18.Below described briquetting 3, sealed cap 2 is installed.
During detection, detected metering ejector pump 20 is fixed on the base plate 19 that holds oil clot 5 belows, and distinguish erection joint 9 at liquid entering hole, liquid return hole and the jetburner of metering ejector pump 20, described joint 9 lower ends are the sealing shape inserts in corresponding mouthful, is processed with circumferential boss 21 on joint 9 cylindricals wherein.Start cylinder 10 and make under its piston rod and stretches, corresponding joint 9 upper ends are stretched into respectively in vertical blind hole 18 on described corresponding briquetting 3, afterwards, continue to press down, the sealed cap 2 on briquetting 3 tightly is pressed on the circumferential boss 21 of corresponding joint 1.Owing on the next door 11 that holds oil clot 5 vertical holes 6, through hole being arranged, make each 6, vertical hole be connected.When stretching under appearance oil clot 5 continues under the effect of cylinder 10 piston rods, the oil that that encounter at first joint 1 holds in the vertical hole 6 at axle 15 places on oil clot 5 can be pressed against in two other vertical hole 6, thereby the axle 15 that promotes in two other vertical hole 6 moves downward, by that analogy, the self balancing principle of utilizing three vertical holes 6 to be communicated with, make three axles 15 to be pressed on each self-corresponding joint 1 with the pressure that equates, and seal by 2 butt joints 1 of rubber seal cap.Afterwards, by the vent 17 on three briquettings 3 is supplied gas, realize sealing detection.

Claims (4)

1. the metering ejector pump sealability detects and uses the multichannel floating sealing, comprise framework, frame roof has cylinder (10), the piston rod of described cylinder (10) down, it is characterized in that appearance oil clot (5) is arranged under cylinder (10), the upper surface of described appearance oil clot (5) and lower surface be the plane and both between parallel; Hold the vertical hole (6) corresponding with the knock-off joint (9) at the liquid entering hole of tested metering ejector pump (20), liquid return hole and jetburner place arranged on oil clot (5), all there is the first sealing head (7) upper end in vertical hole (6), is between described the first sealing head (7) and corresponding vertical hole (6) to seal shape and coordinate; Top and following pressing plate (13) and the supporting plate (16) of being fixed with respectively that holds oil clot (5), the piston rod outer end of described cylinder (10) is connected to the upper surface center of described pressing plate (13); The axis hole corresponding with vertical hole (6) arranged on described supporting plate (16), and described axis hole is less than described vertical hole (6); Axle (15) is all arranged in described axis hole, the upper end of axle (15) is passed below supporting plate (16) and is stretched into after axis hole in described vertical hole (6) and be fixed with the second sealing head (4), and the second sealing head (4) and described vertical hole (6) vertically between be the slip shape and be sealed and matched; On one sidewall of appearance oil clot (5), oil inlet hole is arranged, on the next door (11) in adjacent vertical hole (6), through hole is arranged, described through hole and oil inlet hole are corresponding, and they all are between the first sealing head (7) and the second sealing head (4); All there is briquetting (3) lower end of axle (15), on briquetting (3) lower surface, vertical blind hole (18) is arranged, and briquetting (3) one sides have vent (17), and described vent (17) is communicated with described vertical blind hole (18); Sealed cap (2) is arranged below described briquetting (3).
2. metering ejector pump sealability according to claim 1 detects and uses the multichannel floating sealing, it is characterized in that the cross section in described vertical hole (6) is for circular, described the first sealing head (7) is short cylindrical, on the cylindrical of described the first sealing head (7), peripheral groove is arranged, O-ring seals is arranged in peripheral groove.
3. metering ejector pump sealability according to claim 1 detects and uses the multichannel floating sealing, it is characterized in that the cross section in described vertical hole (6) is for circular, described the second sealing head (4) is short cylindrical, on the cylindrical of described the second sealing head (4), peripheral groove is arranged, O-ring seals is arranged in peripheral groove.
4. the described metering ejector pump sealability of any one detects and use the multichannel floating sealing according to claim 1 ~ 3, it is characterized in that described piston rod outer end by knock-off joint (9) and divides half a formula flange (8) to be fixed on the upper surface of described pressing plate (13).
CN 201320235815 2013-05-03 2013-05-03 Multi-way floating sealing device for detecting sealing performance of metering injection pump Withdrawn - After Issue CN203272101U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320235815 CN203272101U (en) 2013-05-03 2013-05-03 Multi-way floating sealing device for detecting sealing performance of metering injection pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320235815 CN203272101U (en) 2013-05-03 2013-05-03 Multi-way floating sealing device for detecting sealing performance of metering injection pump

Publications (1)

Publication Number Publication Date
CN203272101U true CN203272101U (en) 2013-11-06

Family

ID=49502530

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320235815 Withdrawn - After Issue CN203272101U (en) 2013-05-03 2013-05-03 Multi-way floating sealing device for detecting sealing performance of metering injection pump

Country Status (1)

Country Link
CN (1) CN203272101U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103225604A (en) * 2013-05-03 2013-07-31 无锡艾森保自动化装备有限公司 Multi-channel floating seal device for testing seal performance of metering jet pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103225604A (en) * 2013-05-03 2013-07-31 无锡艾森保自动化装备有限公司 Multi-channel floating seal device for testing seal performance of metering jet pump

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20131106

Effective date of abandoning: 20150610

RGAV Abandon patent right to avoid regrant