CN212539231U - Photomultiplier module of waterproof device - Google Patents
Photomultiplier module of waterproof device Download PDFInfo
- Publication number
- CN212539231U CN212539231U CN202021743253.5U CN202021743253U CN212539231U CN 212539231 U CN212539231 U CN 212539231U CN 202021743253 U CN202021743253 U CN 202021743253U CN 212539231 U CN212539231 U CN 212539231U
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- optical glass
- shaping
- screw thread
- casing
- top cap
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Abstract
The utility model discloses a watertight fittings's photomultiplier module, including connecting casing, top cap, bolt perforation, external screw thread, it has the fixed step of optical glass to connect the inboard shaping of casing, the fixed step front side shaping of optical glass has screw thread end step, optical glass is installed to the fixed step inboard of optical glass, the optical glass front end is provided with O shape sealing washer, O shape sealing washer front end is provided with the top cap, the shaping has on the top cap the external screw thread, the external screw thread with be provided with the internal thread between the connection casing, the shaping has four on the connection casing the bolt perforation. The utility model discloses utilize and connect the casing to install and greatly reduced the great risk of the photomultiplier short circuit damage that leads to because reasons such as artificial maloperation have greatly reduced at multiplier lens front end, simple structure is compact, does not influence the overall structure of current measuring room, and the customer end of being convenient for is changed and is maintained.
Description
Technical Field
The utility model relates to a photomultiplier field especially relates to a watertight fittings's photomultiplier module.
Background
The current AE180 measurement chamber has the following defects: 1. the measuring chamber measures the position, and the condition that liquid splashes and drips due to human or machine faults can occur, so that the liquid enters the multiplier tube. Because the prior multiplier tube has no waterproof function, the multiplier tube can be damaged under the condition and cannot be maintained and used. 2. The multiplier tube has high material cost, and the position is inconvenient to maintain, so that the maintenance cost of the instrument is greatly increased after the multiplier tube is damaged. Meanwhile, the damaged instrument can be disabled, and the satisfaction degree of a customer on the instrument is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a watertight fittings's photomultiplier module just in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a watertight fittings's photomultiplier module, is including connecting casing, top cap, bolt perforation, external screw thread, it has the fixed step of optical glass to connect the inboard shaping of casing, the fixed step front side shaping of optical glass has screw thread end step, optical glass is installed to the fixed step inboard of optical glass, the optical glass front end is provided with O shape sealing washer, O shape sealing washer front end is provided with the top cap, the shaping has on the top cap the external screw thread, the external screw thread with it is provided with the internal thread to connect between the casing, the shaping has four on the connection casing the bolt perforation.
Preferably: the internal thread specification is M27 x 1, the internal thread integrated into one piece in connect the casing.
So set up, the internal thread plays the connection effect.
Preferably: the O-shaped sealing ring is made of rubber.
So set up, the O shape sealing washer is guaranteed optical glass with the cooperation between the top cap is sealed to improve sealed effect.
Preferably: the top cover is formed with a groove for disassembly.
So set up, the top cap plays sealed and fixed action, and the shaping has the dismantlement groove, and easy to assemble guarantees simultaneously the top cap can install completely inside the connection housing.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the connecting shell is arranged at the front end of the multiplier lens, so that the serious risk of short circuit damage of the photomultiplier due to manual misoperation and the like is greatly reduced;
2. the structure is simple and compact, the integral structure of the current measuring chamber is not influenced, and the client is convenient to replace and maintain.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a photomultiplier module of a waterproof device according to the present invention;
fig. 2 is an exploded view of a photomultiplier module of a waterproof device according to the present invention;
fig. 3 is a schematic diagram of the internal structure of the photomultiplier module of the waterproof device of the present invention.
The reference numerals are explained below:
1. connecting the shell; 2. a top cover; 3. perforating the bolt; 4. an external thread; 5. an internal thread; 6. an O-shaped sealing ring; 7. an optical glass; 8. a step at the end of the thread; 9. the optical glass fixes the step.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be further explained with reference to the accompanying drawings:
example 1
As shown in fig. 1-3, a photomultiplier module of watertight fittings, including connecting casing 1, top cap 2, bolt perforation 3, external screw thread 4, connect the inboard shaping of casing 1 to have the fixed step 9 of optical glass, the fixed step 9 front side shaping of optical glass has screw thread end step 8, optical glass 7 is installed to the fixed step 9 inboard of optical glass, optical glass 7 front end is provided with O shape sealing washer 6, the O shape sealing washer 6 front end is provided with top cap 2, the shaping has external screw thread 4 on the top cap 2, be provided with internal thread 5 between external screw thread 4 and the connection casing 1, the shaping has four bolt perforation 3 on the connection casing 1.
Preferably: the specification of the internal thread 5 is M27 x 1, the internal thread 5 is integrally formed on the connecting shell 1, and the internal thread 5 plays a connecting role; the O-shaped sealing ring 6 is made of rubber, and the O-shaped sealing ring 6 ensures the matching sealing between the optical glass 7 and the top cover 2, so that the sealing effect is improved; the shaping has the groove that is used for dismantling on top cap 2, and top cap 2 plays sealed and fixed action, and the shaping has the groove of dismantling, and easy to assemble guarantees simultaneously that top cap 2 can install inside connecting casing 1 completely.
The working principle is as follows: place optical glass 7 inboard at optical glass fixed step 9, treat stable back, fill optical glass 7 with O shape sealing washer 6 and connect the gap between the casing 1, then with top cap 2 through the rotatory to connecting casing 1 inside of external screw thread 4 cooperation internal thread 5, treat 2 rotatory top tight screw thread end step 8 backs in top cap, guarantee top cap 2 and O shape sealing washer 6's cooperation to stable optical glass 7 guarantees optical glass 7's leakproofness and stability.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (4)
1. The utility model provides a watertight fittings's photomultiplier module which characterized in that: including connecting casing (1), top cap (2), bolt perforation (3), external screw thread (4), it has optical glass fixed step (9) to connect casing (1) inboard shaping, optical glass fixed step (9) front side shaping has screw thread end step (8), optical glass (7) are installed to optical glass fixed step (9) inboard, optical glass (7) front end is provided with O shape sealing washer (6), O shape sealing washer (6) front end is provided with top cap (2), the shaping has on top cap (2) external screw thread (4), external screw thread (4) with be provided with internal thread (5) between connecting casing (1), the shaping has four on connecting casing (1) bolt perforation (3).
2. The photomultiplier module of a waterproof device according to claim 1, wherein: the internal thread (5) is M27 x 1 in specification, and the internal thread (5) is integrally formed on the connecting shell (1).
3. The photomultiplier module of a waterproof device according to claim 1, wherein: the O-shaped sealing ring (6) is made of rubber.
4. The photomultiplier module of a waterproof device according to claim 1, wherein: the top cover (2) is formed with a groove for disassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021743253.5U CN212539231U (en) | 2020-08-19 | 2020-08-19 | Photomultiplier module of waterproof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021743253.5U CN212539231U (en) | 2020-08-19 | 2020-08-19 | Photomultiplier module of waterproof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212539231U true CN212539231U (en) | 2021-02-12 |
Family
ID=74528967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021743253.5U Active CN212539231U (en) | 2020-08-19 | 2020-08-19 | Photomultiplier module of waterproof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212539231U (en) |
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2020
- 2020-08-19 CN CN202021743253.5U patent/CN212539231U/en active Active
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