CN207964205U - Leakage testing device at syringe piston or sealing ring under negative pressure - Google Patents
Leakage testing device at syringe piston or sealing ring under negative pressure Download PDFInfo
- Publication number
- CN207964205U CN207964205U CN201820239255.7U CN201820239255U CN207964205U CN 207964205 U CN207964205 U CN 207964205U CN 201820239255 U CN201820239255 U CN 201820239255U CN 207964205 U CN207964205 U CN 207964205U
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- China
- Prior art keywords
- syringe
- fixed frame
- sealing ring
- pipeline
- negative pressure
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Abstract
Leakage testing device at syringe piston or sealing ring under negative pressure, including babinet, the first fixed frame of setting and the second fixed frame in babinet, vacuum pump and fixture are set on the first fixed frame, one end of suction line is connected on vacuum pump, control valve is set in suction line, the other end of suction line connects inner circle taper joint, one end of connecting test pipe on inner circle taper joint, vacuum tightness valve is set on testing tube, the other end of testing tube connects pressure gauge, pressure gauge is mounted on the second fixed frame, inner circle taper joint can be connect with the conehead of syringe, fixture can clamp the core bar of syringe.The utility model has the beneficial effects that：The utility model is simple in structure, and testing procedure is few, easy to operate, at low cost.
Description
Technical field
The utility model is related to gas leakage at syringe piston under syringe test device, especially negative pressure or sealing ring to test
Device.
Background technology
According to national standards, gas leakage situation is surveyed at piston or sealing ring when existing syringe is needed to taking out negative pressure
Examination, but at present be not specifically used to detection take out negative pressure when piston or sealing ring at gas leakage situation device.
Utility model content
The purpose of this utility model is to provide leakage testing devices at syringe piston under negative pressure or sealing ring, can
Test injection device gas leakage situation at piston or sealing ring when taking out negative pressure.
Technical solution adopted by the utility model to solve its technical problems is：Under negative pressure at syringe piston or sealing ring
Leakage testing device, including babinet, babinet is interior to be arranged the first fixed frame and the second fixed frame, and vacuum pump is arranged on the first fixed frame
And fixture, one end of suction line is connected on vacuum pump, control valve is set in suction line, in the other end connection of suction line
Vacuum tightness valve is arranged on testing tube in cone joint, one end of connecting test pipe on inner circle taper joint, and the other end of testing tube connects
Pressure gauge is connect, pressure gauge is mounted on the second fixed frame, and inner circle taper joint can be connect with the conehead of syringe, and fixture can press from both sides
The core bar of tight syringe.
The utility model in order to further solve its technical problem used by technical solution be：The bottom of box point
Inclined-plane and through-hole are not opened up, and the upper end on inclined-plane is located at below fixture, and through-hole is located at the lower end on inclined-plane.The suction line is by
One pipeline and the second pipeline are constituted, and receiving flask is arranged between the first pipeline and the second pipeline, and receiving flask is closed, receiving flask respectively with
First pipeline and the second pipeline connection, receiving flask are arranged on the first fixed frame.It is arranged vertically on first fixed frame
Guide rail and rack are equipped with sliding block on guide rail, and fixture is mounted on sliding block, are arranged motor on sliding block, on the output shaft of motor
Gear, wheel and rack engagement are set.
The utility model has the beneficial effects that：The utility model before testing, injects nominal capacity 25% in syringe
Water, conehead is upward, and pumpback core bar makes datum line be overlapped with nominal capacity graduation mark, then uses the core of clamp syringe
The conehead of syringe is connect by bar with inner circle taper joint.Vacuum pump is started, while control valve being kept to open.Adjusting control valve with
Pressure is gradually reduced, pressure gauge reading is made to reach 88kPa.The piston for checking syringe and the gas leakage situation at sealing ring.It closes
Vacuum seal valve makes syringe be isolated with pressure gauge.After a period of time, pressure gauge reading is observed, and records any reading and declines
The case where.Check whether the piston of syringe has been detached from core bar.The utility model can to syringe when taking out negative pressure piston
It is tested with the gas leakage situation at sealing ring, and can check whether syringe piston when taking out negative pressure is detached from core bar.This
Utility model is simple in structure, and testing procedure is few, easy to operate, at low cost.
Description of the drawings：
Fig. 1 is the utility model structure diagram；Fig. 2 is the A of Fig. 1 to enlarged drawing.
Specific implementation mode
Leakage testing device at syringe piston or sealing ring under negative pressure, as shown in Figure 1, including babinet 13, in babinet 13
First fixed frame 12 and the second fixed frame 14 are set, vacuum pump 1 and fixture 9 are set on first fixed frame 12, connected on vacuum pump 1
Control valve 6, the other end connection inner circle taper joint 5 of suction line, inner circle tapered joint are arranged in suction line for one end of suction line
One end of connecting test pipe 10 on first 5, setting vacuum tightness valve 7 on testing tube 10, the other end of testing tube 10 connect pressure gauge
11, pressure gauge 11 is mounted on the second fixed frame 14, and inner circle taper joint 5 can be connect with the conehead of syringe 8, and fixture 9 can
Clamp the core bar of syringe 8.Steel inner circle taper joint on the basis of inner circle taper joint 5, meets the requirement of GB/T1962.1.Fixture 9
The device of syringe core rod can be clamped and fix its position.Brand-new boiling water is cooled to (20 ± 5) DEG C.This structure is being tested
Before, the water of injection nominal capacity 25% in syringe 8, conehead is upward, pumpback core bar, makes datum line and nominal capacity graduation mark weight
It closes, then fixture 9 is used to clamp the core bar of syringe 8, the conehead of syringe 8 is connect with inner circle taper joint 5.Start vacuum
Pump 1, while control valve 6 being kept to open.Adjusting control valve 6 makes pressure gauge reading reach 88kPa to gradually reduce pressure.It checks
The piston of syringe 8 and the gas leakage situation at sealing ring.Vacuum seal valve 7 is closed, syringe 8 is made to be isolated with pressure gauge 11.
After a period of time, observation pressure gauge 11 is read, and records the case where any reading declines.Whether to check the piston of syringe 8
It is detached from core bar.This structure can test gas leakage situation of the syringe 8 when taking out negative pressure at piston and sealing ring, and
It can check whether the piston when taking out negative pressure of syringe 8 is detached from core bar.This simple in structure, testing procedure is few, easy to operate,
It is at low cost.
13 bottom of babinet opens up inclined-plane 15 and through-hole 16 respectively, and the upper end on inclined-plane 15 is located at 9 lower section of fixture, through-hole
16 are located at the lower end on inclined-plane 15.This structure can make the water leaked out in 8 test process of syringe pass through inclined-plane 15 and through-hole 16
Outflow.
The suction line is made of the first pipeline 2 and the second pipeline 4, is arranged between the first pipeline 2 and the second pipeline 4
Receiving flask 3, receiving flask 3 is closed, and receiving flask 3 is connected to the first pipeline 2 and the second pipeline 4 respectively, and the setting of receiving flask 3 is solid first
Determine on frame 12.This structure can make receiving flask 3 provide buffering.
Vertical guide rail 17 and rack 18 are set on first fixed frame 12, sliding block 19 is equipped on guide rail 17,
Fixture 9 is mounted on sliding block 19, and motor 20 is arranged on sliding block 19, gear 21, gear 21 and tooth is arranged on the output shaft of motor 20
Item 18 engages.After this structure can be convenient for fixed syringe 8, so that the conehead of syringe 8 is connect with inner circle taper joint 5, avoid
After being connect with inner circle taper joint 5 with the conehead of syringe 8, fixture 9 is not easy to clamp the core bar of syringe 8.
Specific embodiment of the present utility model is described above in association with attached drawing, but these explanations cannot be understood to
The scope of the utility model is limited, the technology contents of the not detailed description of the utility model are known technology.
Claims (4)
1. leakage testing device at syringe piston or sealing ring under negative pressure, it is characterised in that：Including babinet (13), babinet (13)
The first fixed frame of interior setting (12) and the second fixed frame (14), setting vacuum pump (1) and fixture (9) on the first fixed frame (12),
One end that suction line is connected on vacuum pump (1), setting control valve (6) in suction line, in the other end connection of suction line
Vacuum tightness valve is arranged on testing tube (10) in cone joint (5), one end of connecting test pipe (10) on inner circle taper joint (5)
(7), the other end connection pressure gauge (11) of testing tube (10), pressure gauge (11) are mounted on the second fixed frame (14), female cone
Connector (5) can be connect with the conehead of syringe (8), and fixture (9) can clamp the core bar of syringe (8).
2. leakage testing device at syringe piston or sealing ring under negative pressure as described in claim 1, it is characterised in that：It is described
Babinet (13) bottom open up inclined-plane (15) and through-hole (16) respectively, the upper end of inclined-plane (15) is located at below fixture (9), through-hole
(16) it is located at the lower end of inclined-plane (15).
3. leakage testing device at syringe piston or sealing ring under negative pressure as described in claim 1, it is characterised in that：It is described
Suction line be made of the first pipeline (2) and the second pipeline (4), between the first pipeline (2) and the second pipeline (4) be arranged collect
Bottle (3), receiving flask (3) is closed, and receiving flask (3) is connected to the first pipeline (2) and the second pipeline (4) respectively, receiving flask (3) setting
On the first fixed frame (12).
4. leakage testing device at syringe piston or sealing ring under negative pressure as described in claim 1, it is characterised in that：It is described
The first fixed frame (12) on vertical guide rail (17) and rack (18) are set, sliding block (19) is equipped on guide rail (17), press from both sides
Have (9) to be mounted on sliding block (19), motor (20) be set on sliding block (19), gear (21) is set on the output shaft of motor (20),
Gear (21) is engaged with rack (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820239255.7U CN207964205U (en) | 2018-02-10 | 2018-02-10 | Leakage testing device at syringe piston or sealing ring under negative pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820239255.7U CN207964205U (en) | 2018-02-10 | 2018-02-10 | Leakage testing device at syringe piston or sealing ring under negative pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207964205U true CN207964205U (en) | 2018-10-12 |
Family
ID=63738797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820239255.7U Expired - Fee Related CN207964205U (en) | 2018-02-10 | 2018-02-10 | Leakage testing device at syringe piston or sealing ring under negative pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207964205U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483970A (en) * | 2021-05-24 | 2021-10-08 | 北京工业大学 | Be fit for polytypic animal doctor injection apparatus's adaptation check out test set |
| CN113720547A (en) * | 2021-08-19 | 2021-11-30 | 深圳市卓宝科技股份有限公司 | Waterproof layer leakage detection method |
| CN115342987A (en) * | 2022-10-18 | 2022-11-15 | 烟台市永盛密封科技有限公司 | Sealing effect check out test set of sealing washer |
-
2018
- 2018-02-10 CN CN201820239255.7U patent/CN207964205U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483970A (en) * | 2021-05-24 | 2021-10-08 | 北京工业大学 | Be fit for polytypic animal doctor injection apparatus's adaptation check out test set |
| CN113483970B (en) * | 2021-05-24 | 2023-11-03 | 北京工业大学 | Sealing detection equipment suitable for multi-model veterinary injection appliance |
| CN113720547A (en) * | 2021-08-19 | 2021-11-30 | 深圳市卓宝科技股份有限公司 | Waterproof layer leakage detection method |
| CN113720547B (en) * | 2021-08-19 | 2024-04-30 | 深圳市卓宝科技股份有限公司 | Waterproof layer leakage detection method |
| CN115342987A (en) * | 2022-10-18 | 2022-11-15 | 烟台市永盛密封科技有限公司 | Sealing effect check out test set of sealing washer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20210210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |