CN113555271B - Sealing waterproof device for photomultiplier - Google Patents
Sealing waterproof device for photomultiplier Download PDFInfo
- Publication number
- CN113555271B CN113555271B CN202110555593.8A CN202110555593A CN113555271B CN 113555271 B CN113555271 B CN 113555271B CN 202110555593 A CN202110555593 A CN 202110555593A CN 113555271 B CN113555271 B CN 113555271B
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- sealing
- ring
- gas ring
- extrusion gas
- extrusion
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- 238000007789 sealing Methods 0.000 title claims abstract description 237
- 238000001125 extrusion Methods 0.000 claims abstract description 97
- 238000004382 potting Methods 0.000 claims description 14
- 239000000084 colloidal system Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000004078 waterproofing Methods 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/28—Vessels, e.g. wall of the tube; Windows; Screens; Suppressing undesired discharges or currents
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
Abstract
The invention discloses a sealing waterproof device for a photomultiplier, which is characterized in that the sealing waterproof device is of a tubular structure with one open end, an upper extrusion gas ring is arranged at one end opening of the main sealing tube, the longitudinal section of the upper extrusion gas ring is inverted L-shaped, an air cavity is formed in the upper extrusion gas ring, an elastic corrugated section is formed at one end of the upper extrusion gas ring, the other end of the upper extrusion gas ring forms an expansion sealing section, the upper sealing cap is sleeved on one end of the main sealing tube and contacts with the top of the upper extrusion gas ring, and a plurality of upper sealing ring rings are arranged at the top of the upper extrusion gas ring.
Description
Technical Field
The invention discloses a sealing waterproof device for a photomultiplier, relates to a sealing waterproof device capable of being used in the photomultiplier, and belongs to the technical field of photomultiplier protection. In particular to a sealing waterproof device which can seal the joint of a photomultiplier tube and a cable wiring board in a waterproof way.
Background
Photomultiplier is a vacuum electronic device for converting weak light signals into electric signals, and is commonly used in optical measuring instruments and spectrum analysis instruments, and in some specific physical tests, the photomultiplier needs to be put into water for test work, in order to avoid damage caused by contact between pins of the photomultiplier and a circuit board with water, necessary waterproof sealing is needed to be adopted at the joint of the photomultiplier, and the existing waterproof sealing structure for the photomultiplier is mostly in an extrusion sealing mode through an annular sealing ring, but the sealing ring is mostly in a solid structure, the space for elastic extrusion deformation is limited, the length of a formed sealing section is short, and good sealing of the joint of an internal pipeline cannot be ensured in long-time use.
The utility model discloses a watertight fittings for photomultiplier, including waterproof tube shell, photomultiplier and photomultiplier shell, glass bulb waterproof screw cover, cable waterproof screw cover, the waterproof screw cover of glass bulb is articulated mutually with waterproof tube shell, waterproof tube shell top is equipped with the draw-in groove that can fix the photomultiplier shell, still cup joint the glass bulb sealing washer on the photomultiplier shell, waterproof tube shell bottom is equipped with the outlet that supplies waterproof cable to wear out, the outlet articulates mutually with the waterproof screw of cable, be equipped with the cable sealing washer between outlet and the waterproof cable, its sealing washer of this watertight fittings is solid structure, and the seal section that forms when sealed is shorter, and the sealing layer is single moreover, and sealed waterproof effect is not ideal under the long-time use.
Disclosure of Invention
In order to improve the situation, the sealing waterproof device for the photomultiplier provided by the invention is characterized in that the extrusion conical surface is extruded by the upper sealing cap and the lower sealing cap to form a first layer of waterproof sealing structure, the photomultiplier and a cable on the photomultiplier are wrapped by swelling of the expansion sealing section to form a second layer of waterproof sealing structure, the sealing colloid in the main sealing tube is used for forming a third layer of waterproof sealing structure, and the joint of the photomultiplier and the cable circuit board is sealed in a waterproof manner by the three layers of waterproof sealing structures.
The sealing waterproof device for the photomultiplier is realized by the following steps: the invention relates to a sealing waterproof device for a photomultiplier, which consists of an upper sealing cap, an upper sealing ring body, a main sealing tube, a limiting ring, a potting adhesive, a tube connecting sleeve, a lower sealing cap, a lower sealing ring body, an extrusion conical surface, an elastic corrugated section, an expansion sealing section, an air cavity, a fold groove, an upper extrusion air ring and a lower extrusion air ring, wherein the main sealing tube is of a tubular structure with one open end, the upper extrusion air ring is arranged at one end opening of the main sealing tube, the longitudinal section of the upper extrusion air ring is in an inverted L shape, the inside of the upper extrusion air ring forms an air cavity, one end of the upper extrusion air ring forms the elastic corrugated section, the other end of the upper extrusion air ring forms an expansion sealing section, the upper sealing ring is sleeved on one end of the main sealing tube and is contacted with the top of the upper extrusion air ring, a plurality of upper sealing ring bodies are arranged at the top of the upper extrusion air ring, the upper sealing ring bodies are in a conical structure, the upper sealing ring bodies are attached to the inner wall of the upper sealing ring body, the limiting ring bodies are arranged inside the main sealing tube, the limiting ring is arranged between the limiting ring and the other end of the main sealing tube, the potting adhesive is arranged between the limiting ring and the sealing ring, the potting adhesive and the sealing ring forms an inverted L shape, the sealing ring forms a cavity, the sealing ring is matched with the upper sealing ring, one end of the upper sealing ring forms a cavity, one end of the upper sealing ring is communicated with the other end of the expansion sealing ring, and the upper sealing ring forms an expansion sealing ring and lower sealing ring, the upper sealing ring is communicated with the upper sealing ring and lower sealing ring is communicated with the upper sealing ring, and lower sealing ring has a lower sealing ring, and a lower sealing ring is formed. The lower sealing cap sleeve is arranged on the pipe connecting sleeve and is in contact with the bottom of the lower extrusion gas ring, the plurality of lower sealing ring body rings are arranged at the bottom of the lower extrusion gas ring, the lower sealing ring body is of a conical structure, the lower sealing ring body is attached to the inner wall of the lower sealing cap, an extrusion conical surface is formed on the attaching surface between the lower sealing ring body and the lower sealing cap, a corrugated plate is arranged on the elastic corrugated section, a plurality of guide strips are arranged on the upper sealing ring body at equal angles, a plurality of guide grooves are arranged on the upper sealing cap at equal angles, a plurality of guide strips are arranged on the lower sealing ring body at equal angles, a plurality of guide grooves are arranged on the lower sealing ring body at equal angles, the guide strips are correspondingly arranged inside the guide grooves, the width of the end part of each guide strip is larger than the width of the root part, a sealing gasket is arranged on the inner wall of the upper sealing ring body, and a sealing gasket is arranged on the inner wall of the lower sealing ring body and is made of rubber materials.
Has the beneficial effects of.
1. The multi-layer waterproof sealing structure can be formed at the joint of the photomultiplier and the cable wiring board, the sealing section is long in length, and the sealing effect is good.
2. The air bag is utilized to expand for secondary sealing, and the joint with different thicknesses of radius errors can be better fit, so that the sealing effect is ensured.
3. The installation and the use are simple and convenient.
4. Simple structure, convenience and practicality.
5. Low cost and convenient popularization.
Drawings
FIG. 1 is a schematic view of a seal waterproof for a photomultiplier of the present invention;
FIG. 2 is a schematic view of the structure of an upper seal cap of a seal waterproof for a photomultiplier of the present invention;
FIG. 3 is a schematic view of the structure of a seal ring body on a seal waterproof device for a photomultiplier of the present invention;
FIG. 4 is a schematic view of the structure of the lower seal ring of the seal waterproof device for a photomultiplier of the present invention.
In the accompanying drawings
Wherein the method comprises the following steps: photomultiplier (1), go up sealing cap (2), go up sealing ring body (3), main seal pipe (4), spacing ring (5), circuit board (6), pouring sealant (7), pipe adapter sleeve (8), lower sealing cap (9), lower sealing ring body (10), cable (11), pin (12), extrusion conical surface (13), elasticity ripple section (14), inflation seal section (15), air cavity (16), fold groove (17), go up extrusion gaseous ring (18), lower extrusion gaseous ring (19).
The specific embodiment is as follows:
The sealing waterproof device for the photomultiplier is realized by the following steps: the invention relates to a sealing waterproof device for a photomultiplier, which consists of an upper sealing cap (2), an upper sealing ring body (3), a main sealing tube (4), a limiting ring (5), a potting colloid (7), a tube connecting sleeve (8), a lower sealing cap (9), a lower sealing ring body (10), an extrusion conical surface (13), an elastic corrugated section (14), an expansion sealing section (15), an air cavity (16), a fold groove (17), an upper extrusion gas ring (18) and a lower extrusion gas ring (19), wherein the main sealing tube (4) is of a tubular structure with one open end, the upper extrusion gas ring (18) is arranged at one end opening of the main sealing tube (4), the longitudinal section of the upper extrusion gas ring (18) is in an inverted L shape, an air cavity (16) is formed in the upper extrusion gas ring (18), one end of the upper extrusion gas ring (18) forms an elastic corrugated section (14), the other end of the upper extrusion gas ring (18) forms an expansion sealing section (15), the upper sealing cap (2) is sleeved on one end of the main sealing tube (4) and is contacted with the top of the upper extrusion gas ring body (18), a plurality of upper sealing ring bodies (3) are arranged at the top of the upper extrusion gas ring (18) and are in a sealing structure of the upper sealing ring body (2), the joint surface between the upper sealing ring body (3) and the upper sealing cap (2) forms an extrusion conical surface (13), the limiting ring (5) is arranged inside the main sealing tube (4), the potting adhesive (7) is arranged inside the main sealing tube (4) and is positioned between the limiting ring (5) and the other end of the main sealing tube (4), the potting adhesive (7) and the limiting ring (5) are matched to form a cavity, the middle part of the potting adhesive (7) is provided with a communicating groove, the tube connecting sleeve (8) is arranged at the other end of the main sealing tube (4) and is communicated with the cavity through the communicating groove, the lower extrusion gas ring (19) is arranged at the mouth of the tube connecting sleeve (8), the longitudinal section of the lower extrusion gas ring (19) is L-shaped, the inside of the lower extrusion gas ring (19) forms an air cavity (16), one end of the lower extrusion gas ring (19) forms an elastic corrugated plate, the other ends of the lower extrusion gas ring (19) and the upper extrusion gas ring (18) and the elastic corrugated plate (14) are respectively arranged on the elastic corrugated plate, the other end of the lower extrusion gas ring (19) forms an expansion sealing section (15), the upper extrusion gas ring (18) and the lower extrusion gas ring (19) are respectively arranged on the upper extrusion gas ring (19) and the inner wall (9) and the lower extrusion gas ring (19) and are respectively contacted with the upper extrusion gas ring (19) and the lower extrusion gas ring (9) respectively, the bottom of extrusion gaseous ring (19) is arranged in to a plurality of sealed ring body down (10) ring, and sealed ring body (10) down is cone structure down, and sealed ring body (10) down and the inner wall of sealing cap down (9) laminate mutually, and the faying surface between sealed ring body (10) down and sealing cap down (9) forms extrusion conical surface (13), the buckled plate has been put on elasticity ripple section (14), a plurality of guide bars have been opened to the last equiangle of sealed ring body (3), a plurality of guide slots have been opened to the last equiangle of sealing cap (2), a plurality of guide bars have been opened to the last equiangle of sealed ring body (10) down, a plurality of guide slots have been opened to the equiangle on sealing cap down, the guide bar corresponds to be arranged in the guide slot inside, the width of guide bar tip is greater than the width of root, the inner wall of sealed ring body (3) has been put on the sealed pad, the inner wall of sealed ring body (10) down has been put on the sealed pad, sealed pad is made by the rubber material.
When the novel sealing structure is used, the main sealing tube (4) filled with the potting adhesive (7) is sleeved on the photomultiplier (1), at this time, the limiting ring (5) limits the photomultiplier (1), the limiting ring (5) is matched with the potting adhesive (7) to form a cavity, a pin (12) and a circuit board (6) on the photomultiplier (1) are positioned in the cavity, a cable (11) connected with the circuit board (6) penetrates out of the tube connecting sleeve (8), then an upper sealing cap (2) at one end part of the tube and a lower sealing cap (9) at the end part of the tube connecting sleeve (8) are screwed, so that the upper sealing cap (2) extrudes the upper sealing ring body (3), and the lower sealing cap (9) extrudes the lower sealing ring body (10), so that a waterproof sealing structure at the joint of the photomultiplier (1) and the cable (11) in the first layer is formed;
Then the upper sealing cap (2) extrudes the upper sealing ring body (3), the upper sealing ring body (3) extrudes the upper extrusion gas ring (18), so that the elastic corrugated section (14) on the upper extrusion gas ring (18) is extruded, gas is transmitted into the expansion sealing section (15) of the upper extrusion gas ring (18), the expansion sealing section (15) of the upper extrusion gas ring (18) is inflated to wrap the photomultiplier (1), the lower sealing cap (9) extrudes the lower sealing ring body (10), the lower sealing ring body (10) extrudes the lower extrusion gas ring (19), the elastic corrugated section (14) on the lower extrusion gas ring (19) is extruded, gas is transmitted into the expansion sealing section (15) of the lower extrusion gas ring (19), the expansion sealing section (15) of the lower extrusion gas ring (19) is inflated to wrap the cable (11), and therefore a second waterproof sealing structure can be formed at the joint of the photoelectric sealing tube and the cable (11);
the potting adhesive (7) in the main sealing tube (4) forms a third layer of waterproof sealing structure so as to prevent water;
The design that the elastic corrugated sections (14) of the upper extrusion gas ring (18) and the lower extrusion gas ring (19) are provided with corrugated plates can support the elastic corrugated sections (14) through the corrugated plates, so that when the upper extrusion gas ring (18) and the lower extrusion gas ring (19) are extruded, the corrugated plates can deform slowly, the displacement of the upper extrusion gas ring (18) and the lower extrusion gas ring (19) is compensated, and the upper extrusion gas ring (18) and the lower extrusion gas ring (19) burst due to too fast deformation is avoided;
The design of the fold grooves (17) are formed in the inner walls of the expansion sealing sections (15) of the upper compression gas ring (18) and the lower compression gas ring (19), so that the displacement of the expansion sealing sections (15) can be compensated, and the expansion sealing sections can be contracted, so that the volume of an internal gas cavity (16) is reduced, and the expansion sealing sections (15) further bulge to wrap and seal the joint;
the guide strips are correspondingly arranged in the guide grooves, the width of the end parts of the guide strips is larger than that of the root parts, and the guide strips and the guide grooves can be matched to carry out clamping guide, so that the upper sealing cap (2) and the lower sealing cap (9) are prevented from slipping;
the sealing gasket is arranged on the inner wall of the upper sealing ring body (3), the sealing gasket is arranged on the inner wall of the lower sealing ring body (10), the sealing gasket is made of rubber materials, the sealing property between the upper sealing ring body (3) and the connecting part between the lower sealing ring body (10) can be improved, and the connecting parts with different diameters can be adapted through the elasticity of the sealing gasket, so that the applicability is wider;
The elastic corrugated section (14) and the expansion sealing section (15) are matched, when the elastic corrugated section (14) is extruded, gas in the air cavity (16) can be conveyed to the expansion sealing section (15), so that the expansion sealing section (15) is inflated to wrap around, and the expansion sealing section is suitable for connecting positions with different diameters, and is wider in applicability;
The upper sealing ring body (3) is matched with the upper sealing cap (2), the lower sealing ring body (10) is matched with the lower sealing cap (9), the upper sealing cap (2) and the lower sealing cap (9) extrude the upper sealing ring body (3) and the lower sealing ring body (10) through extrusion conical surfaces (13), so that a plurality of upper sealing rings are extruded to shrink to wrap and seal the photomultiplier (1), and a plurality of lower sealing rings are extruded to shrink to wrap and seal the cable (11), so that a first layer of waterproof is formed;
The extrusion of the extrusion conical surface (13) through the upper sealing cap (2) and the lower sealing cap (9) is achieved, a first layer of waterproof sealing structure is formed, the photomultiplier (1) and a cable (11) on the photomultiplier are wrapped through the bulge of the expansion sealing section (15), a second layer of waterproof sealing structure is formed, a third layer of waterproof sealing structure is formed through the potting colloid (7) inside the main sealing tube (4), and the purpose of waterproof sealing is achieved at the joint of the photomultiplier (1) and the cable (11) circuit board (6) through the three layers of waterproof sealing structures.
Claims (9)
1. A sealed waterproofing device for photomultiplier tubes, characterized by: the main sealing pipe is of a tubular structure with one open end, the upper extrusion gas ring is arranged at one end part of the main sealing pipe, the longitudinal section of the upper extrusion gas ring is in an inverted L shape, the inside of the upper extrusion gas ring forms a gas cavity, one end of the upper extrusion gas ring forms an elastic corrugated section, the other end of the upper extrusion gas ring forms an expansion sealing section, the upper sealing cap is sleeved on one end of the main sealing pipe and is contacted with the top of the upper extrusion gas ring, a plurality of upper sealing ring rings are arranged at the top of the upper extrusion gas ring, the upper sealing ring bodies are of cone-shaped structures, the inner walls of the upper sealing ring bodies and the upper sealing cap are attached, an extrusion conical surface is formed at the attaching surface between the upper sealing ring bodies and the upper sealing cap, the limiting ring is arranged inside the main sealing pipe, the potting colloid is arranged inside the main sealing pipe and is positioned between the limiting ring and the other end of the main sealing pipe, the potting colloid and the limiting ring form a cavity in a matched manner, the middle part of the potting colloid is provided with a communicating groove, the pipe connecting sleeve is arranged at the other end of the main sealing pipe and is communicated with the cavity through a communicating groove, the lower extrusion gas ring is arranged at the mouth of the pipe connecting sleeve, an air cavity is formed in the lower extrusion gas ring, an elastic corrugated section is formed at one end of the lower extrusion gas ring, an expansion sealing section is formed at the other end of the lower extrusion gas ring, fold grooves are formed on the inner walls of the expansion sealing sections of the upper extrusion gas ring and the lower extrusion gas ring, the lower sealing cap is sleeved on the pipe connecting sleeve and is contacted with the bottom of the lower extrusion gas ring, a plurality of lower sealing ring rings are arranged at the bottom of the lower extrusion gas ring, the lower sealing ring is in a cone-shaped structure, the lower sealing ring is attached to the inner wall of the lower sealing cap, an extrusion cone surface is formed between the lower sealing ring and the lower sealing cap, a corrugated plate is arranged on the elastic corrugated section, a plurality of guide strips are formed on the upper sealing ring at equal angles, a plurality of guide grooves are formed on the upper sealing cap at equal angles, the lower sealing ring body is provided with a plurality of guide strips at equal angles, and the lower sealing cap is provided with a plurality of guide grooves at equal angles.
2. The sealing waterproof device for the photomultiplier according to claim 1, wherein the upper sealing ring body is matched with an upper sealing cap, the lower sealing ring body is matched with a lower sealing cap, the upper sealing cap and the lower sealing cap are extruded through extrusion cones to extrude the upper sealing ring body and the lower sealing ring body, so that a plurality of upper sealing rings are extruded to shrink to wrap and seal the photomultiplier, and a plurality of lower sealing rings are extruded to shrink to wrap and seal the cable, so that the first layer of waterproof is formed.
3. The sealed waterproof device for the photomultiplier according to claim 1, wherein the elastic corrugated section and the expansion sealing section are matched, when the elastic corrugated section is extruded, gas in the air cavity can be conveyed to the expansion sealing section, so that the expansion sealing section is inflated to wrap around, and the connection parts with different diameters are adapted.
4. The sealed waterproof device for the photomultiplier according to claim 1, wherein corrugated plates are arranged on the elastic corrugated sections of the upper extrusion gas ring and the lower extrusion gas ring, and the elastic corrugated sections can be supported by the corrugated plates, so that when the upper extrusion gas ring and the lower extrusion gas ring are extruded, the corrugated plates can deform slowly, the displacement of the upper extrusion gas ring and the lower extrusion gas ring is compensated, and the deformation is prevented from being too fast, so that the upper extrusion gas ring and the lower extrusion gas ring burst.
5. The sealing waterproof device for a photomultiplier according to claim 4, wherein the lower compression ring has an L-shaped longitudinal section.
6. The sealing waterproof device for the photomultiplier according to claim 1, wherein the inner walls of the expansion sealing sections of the upper compression gas ring and the lower compression gas ring are provided with fold grooves, so that the displacement of the expansion sealing sections can be compensated and can be contracted, the volume of the internal air cavity is reduced, and the expansion sealing sections further bulge to wrap and seal the connecting parts.
7. The sealing waterproof device for the photomultiplier according to claim 1, wherein the guide strips are correspondingly arranged in the guide grooves, and the width of the end parts of the guide strips is larger than that of the root parts.
8. The sealing waterproof device for the photomultiplier according to claim 2, wherein a sealing gasket is arranged on the inner wall of the upper sealing ring body, and a sealing gasket is arranged on the inner wall of the lower sealing ring body.
9. The sealing waterproof device for a photomultiplier according to claim 8, wherein the sealing gasket is made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110555593.8A CN113555271B (en) | 2021-05-21 | 2021-05-21 | Sealing waterproof device for photomultiplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110555593.8A CN113555271B (en) | 2021-05-21 | 2021-05-21 | Sealing waterproof device for photomultiplier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113555271A CN113555271A (en) | 2021-10-26 |
| CN113555271B true CN113555271B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110555593.8A Active CN113555271B (en) | 2021-05-21 | 2021-05-21 | Sealing waterproof device for photomultiplier |
Country Status (1)
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| CN (1) | CN113555271B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201672080U (en) * | 2010-03-10 | 2010-12-15 | 中国石油天然气股份有限公司 | Novel coking tower overhead valve |
| CN102853175A (en) * | 2011-06-30 | 2013-01-02 | 海洋王照明科技股份有限公司 | Guide line sealing connector |
| CN104023493A (en) * | 2014-06-19 | 2014-09-03 | 哈尔滨工业大学（威海） | Waterproof sealing device for underwater electrical equipment wire via hole |
| JP2014164813A (en) * | 2013-02-21 | 2014-09-08 | Hamamatsu Photonics Kk | Photo-detection unit |
| CN106066229A (en) * | 2016-06-06 | 2016-11-02 | 江苏武进不锈股份有限公司 | Simple type steel pipe air seal test outlet closing device |
| CN106449346A (en) * | 2016-09-28 | 2017-02-22 | 北方夜视技术股份有限公司 | Automatic expansion focusing electrode for photomultiplier and photomultiplier |
| CN206280489U (en) * | 2016-11-08 | 2017-06-27 | 张军 | Internal automatic compensation piston |
| CN106918888A (en) * | 2017-05-02 | 2017-07-04 | 常州太平通讯科技有限公司 | For the port sealing device of cable splice closure |
| CN107277331A (en) * | 2017-07-31 | 2017-10-20 | 重庆万建电子工程有限责任公司重庆第分公司 | Heavy water camera |
| CN206650053U (en) * | 2017-03-15 | 2017-11-17 | 日之阳（北京）仪器制造有限公司 | A kind of explosion-resistant enclosure of photomultiplier |
| CN207268306U (en) * | 2017-08-29 | 2018-04-24 | 浙江工业大学 | Spring-compensating structure for pressure container flange sealing |
| CN110211862A (en) * | 2019-06-12 | 2019-09-06 | 中国科学院高能物理研究所 | The waterproof enclosure and manufacture craft of small size photomultiplier tube |
| CN110265281A (en) * | 2019-06-12 | 2019-09-20 | 中国科学院高能物理研究所 | A kind of waterproof enclosure of the photomultiplier tube based on microchannel plate structure |
| CN209417310U (en) * | 2018-12-26 | 2019-09-20 | 海南展创光电技术有限公司 | A kind of water-tight device for photomultiplier tube |
| CN110310879A (en) * | 2019-06-12 | 2019-10-08 | 中国科学院高能物理研究所 | The waterproof enclosure of dynode photomultiplier tube |
| CN111828640A (en) * | 2020-08-11 | 2020-10-27 | 西华大学 | Sealing method |
| CN111968906A (en) * | 2020-09-14 | 2020-11-20 | 中国科学院高能物理研究所 | Oil-proof packaging structure of photomultiplier, photomultiplier and oil-proof packaging method |
| CN213127999U (en) * | 2020-05-25 | 2021-05-07 | 云南中烟工业有限责任公司 | Sealed heating device with clamping elastic claw and airflow disturbance assembly |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB667220A (en) * | 1949-09-14 | 1952-02-27 | Mini Of Supply | Improvements in or relating to the sealing of containers |
| DE10104449C2 (en) * | 2001-02-01 | 2003-11-13 | Eaton Fluid Power Gmbh | Corrugated pipe hose fitting |
| US6827150B2 (en) * | 2002-10-09 | 2004-12-07 | Weatherford/Lamb, Inc. | High expansion packer |
-
2021
- 2021-05-21 CN CN202110555593.8A patent/CN113555271B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201672080U (en) * | 2010-03-10 | 2010-12-15 | 中国石油天然气股份有限公司 | Novel coking tower overhead valve |
| CN102853175A (en) * | 2011-06-30 | 2013-01-02 | 海洋王照明科技股份有限公司 | Guide line sealing connector |
| JP2014164813A (en) * | 2013-02-21 | 2014-09-08 | Hamamatsu Photonics Kk | Photo-detection unit |
| CN104023493A (en) * | 2014-06-19 | 2014-09-03 | 哈尔滨工业大学（威海） | Waterproof sealing device for underwater electrical equipment wire via hole |
| CN106066229A (en) * | 2016-06-06 | 2016-11-02 | 江苏武进不锈股份有限公司 | Simple type steel pipe air seal test outlet closing device |
| CN106449346A (en) * | 2016-09-28 | 2017-02-22 | 北方夜视技术股份有限公司 | Automatic expansion focusing electrode for photomultiplier and photomultiplier |
| CN206280489U (en) * | 2016-11-08 | 2017-06-27 | 张军 | Internal automatic compensation piston |
| CN206650053U (en) * | 2017-03-15 | 2017-11-17 | 日之阳（北京）仪器制造有限公司 | A kind of explosion-resistant enclosure of photomultiplier |
| CN106918888A (en) * | 2017-05-02 | 2017-07-04 | 常州太平通讯科技有限公司 | For the port sealing device of cable splice closure |
| CN107277331A (en) * | 2017-07-31 | 2017-10-20 | 重庆万建电子工程有限责任公司重庆第分公司 | Heavy water camera |
| CN207268306U (en) * | 2017-08-29 | 2018-04-24 | 浙江工业大学 | Spring-compensating structure for pressure container flange sealing |
| CN209417310U (en) * | 2018-12-26 | 2019-09-20 | 海南展创光电技术有限公司 | A kind of water-tight device for photomultiplier tube |
| CN110211862A (en) * | 2019-06-12 | 2019-09-06 | 中国科学院高能物理研究所 | The waterproof enclosure and manufacture craft of small size photomultiplier tube |
| CN110265281A (en) * | 2019-06-12 | 2019-09-20 | 中国科学院高能物理研究所 | A kind of waterproof enclosure of the photomultiplier tube based on microchannel plate structure |
| CN110310879A (en) * | 2019-06-12 | 2019-10-08 | 中国科学院高能物理研究所 | The waterproof enclosure of dynode photomultiplier tube |
| CN213127999U (en) * | 2020-05-25 | 2021-05-07 | 云南中烟工业有限责任公司 | Sealed heating device with clamping elastic claw and airflow disturbance assembly |
| CN111828640A (en) * | 2020-08-11 | 2020-10-27 | 西华大学 | Sealing method |
| CN111968906A (en) * | 2020-09-14 | 2020-11-20 | 中国科学院高能物理研究所 | Oil-proof packaging structure of photomultiplier, photomultiplier and oil-proof packaging method |
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