CN115361820B

CN115361820B - Electronic component shell for photoelectric detection

Info

Publication number: CN115361820B
Application number: CN202211256677.2A
Authority: CN
Inventors: 王枫秋; 宋平; 罗坤
Original assignee: Xuzhou Nuopai Laser Technology Co ltd
Current assignee: Xuzhou Nuopai Laser Technology Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-01-13
Anticipated expiration: 2042-10-14
Also published as: CN115361820A

Abstract

The invention provides an electronic component shell for photoelectric detection. The electronic component shell for photoelectric detection comprises a shell body, the shell body comprises a shell body, a shell cover is installed at an opening at the upper end of the shell body, a clip-shaped insert is fixedly installed at the upper end of the shell body, a clip-shaped insert slot which is matched with the clip-shaped insert slot is formed in the side wall of the lower side of the shell cover, a clip-shaped sealing pad is fixedly installed at the inner top of the clip-shaped insert slot, an opening is formed in the front side of the shell body, a transparent sealing plate is fixedly installed in the opening, two metal pin sleeves are fixedly installed at the bottom of the shell body, the upper ends of the two metal pin sleeves extend to the inner bottom of the shell body respectively, a protection plate is fixedly installed inside the shell body and comprises a clip-shaped fixing plate. The electronic component shell for photoelectric detection provided by the invention has the advantages of good sealing effect, strong anti-seepage and fireproof effects and high safety.

Description

Electronic component shell for photoelectric detection

Technical Field

The invention relates to the field of electronic component shells, in particular to an electronic component shell for photoelectric detection.

Background

The electronic component is a component of an electronic component and a small machine or instrument, is usually composed of a plurality of parts and can be commonly used in the similar products; it is a general name of electronic devices such as capacitor, transistor, balance spring and spiral spring. Electronic components for photoelectric detection in photoelectric detection equipment are generally protected by plastic shells, and under the condition that some environments are special, shells made of metal are adopted to protect the electronic components in order to improve the use safety of the electronic components.

General electronic components is when installation parcel shell, for making the pin on the electronic components expose, can set up the preformed hole that supplies the electronic components pin to pass in the shell bottom, the shell adopts split type setting, adopt joint formula to connect usually between the two, the gap appears easily after its junction receives the extrusion striking, it is not strong to lead to the sealed effect of shell, in comparatively moist environment in some air, it is inside that moisture in the air gets into from its shell gap department easily, thereby cause the erosion damage to the electronic components body.

Therefore, it is necessary to provide a new electronic component casing for photodetection to solve the above-mentioned technical problems.

Disclosure of Invention

In order to solve the technical problems, the invention provides the electronic component shell for photoelectric detection, which has the advantages of good sealing effect, strong anti-leakage and fireproof effects and high safety.

The invention provides an electronic component shell for photoelectric detection, which comprises: the shell body, the shell body includes the casing, the cap is installed to the upper end opening part of casing, the upper end fixed mounting of casing has the type of returning cutting, and set up the type of returning slot that sets up with the type of returning cutting cooperation on the downside lateral wall of cap, the sealed pad of type of returning is installed at the top fixed mounting in the type of returning slot, the opening has been seted up to the front side of casing, and fixed mounting has transparent closing plate in the opening, the bottom fixed mounting of casing has two metal pin sleeves, and two metal pin sleeve upper ends extend to bottom department in the casing respectively, the inside fixed mounting of casing has the guard plate, the guard plate includes the type of returning fixed plate, type of returning fixed plate fixed mounting is in the casing bottom, and the space between type of returning fixed plate and the shells inner wall forms the inflation chamber, it has carbon dioxide gas to fill in the inflation chamber, set up the gas filler cap with inflation chamber intercommunication on the lateral wall of casing, and install the check valve in the gas filler cap, type of returning fixed plate passes through communicating pipe and opening intercommunication, top fixed mounting has the type of returning cover board, and cover set up on the type of returning fixed plate, return fixed mounting has two picture peg on the inner wall of returning the type fixed plate, and the spacing subassembly of the shell, the connection assembly is still installed on the one side wall of cap.

Preferably, a sealing hole is formed in the upper end of the metal pin sleeve, and a plurality of arc-shaped metal elastic sheets arranged in a surrounding mode are fixedly mounted on the inner wall of the sealing hole.

Preferably, a plurality of groups of arc-shaped metal elastic sheets are arranged in the sealing hole, and the plurality of groups of arc-shaped metal elastic sheets are vertically arranged.

Preferably, the shape slot that returns is close to one side lateral wall of the inside of cap and offsets the setting with shells inner wall, and the inner wall and the shape fixed plate lateral wall of cap offset the setting.

Preferably, coupling assembling includes connecting screw and connecting block, and fixed mounting has two sets of intubate that the symmetry set up on the interior top of cap, and all sets up the through-hole of vertical setting in two sets of intubate, and fixed mounting has two sets of connecting blocks that correspond the setting with a plurality of intubate on the inner wall of type fixed plate that returns, has seted up the jack on the connecting block, and the intubate bottom is inserted and is located the jack, and connecting screw inserts and locates through-hole and bottom and connecting block threaded connection.

Preferably, an annular sealing gasket is fixedly mounted at the bottom in the jack, and the bottom of the insertion pipe is abutted to the annular sealing gasket.

Preferably, the bottom end of the insertion pipe is arranged in a conical mode, and the maximum outer diameter of the insertion pipe is consistent with the diameter of the insertion hole.

Preferably, the limiting assembly comprises a top plate, the top plate is installed at the bottom in the shell cover, a groove is formed in the bottom of the top plate, an elastic plate is fixedly installed in the groove, two sliding columns are symmetrically arranged at the top of the top plate, two fixed pipes are fixedly installed at the top in the shell cover, and the tops of the sliding columns are inserted into the fixed pipes and are connected with the tops in the fixed pipes through springs.

Preferably, an arc-shaped guide edge is arranged on the inner wall of the opening of the clip-shaped slot, and a clip-shaped slope is arranged on the outer side wall of the upper end of the clip-shaped fixing plate.

Compared with the related art, the electronic component shell for photoelectric detection provided by the invention has the following beneficial effects:

1. the photoelectric detection electronic component is arranged in the clip-shaped fixing plate, the clip-shaped fixing plate and the clip-shaped sleeve plate form an inner shell, the shell and the shell cover form an outer shell, so that the inner shell and the outer shell can doubly protect the photoelectric detection electronic component, the joint of the shell and the shell cover is connected through the clip-shaped inserting strip and the clip-shaped slot, the connection stability is good, the connection is tight and seamless, the sealing effect of the shell and the shell cover is further improved through the clip-shaped sealing gasket, the bottom of the inserting tube in the connecting component is tightly inserted into the inserting hole, the sealing effect is improved through the annular sealing gasket, so that the photoelectric detection electronic component is positioned in a sealing body, liquid can be prevented from leaking from the gap, the photoelectric detection electronic component is further protected, the device has an anti-seepage function, when the shell is impacted, the inflation cavity filled with carbon dioxide gas enables the shell to have certain elasticity, impact force formed by impact is buffered, rigid impact damage of the shell is avoided, the photoelectric detection electronic components are protected, when a gap appears at the joint between the shell and the shell cover, the carbon dioxide gas in the inflation cavity can leak out of the gap, so that external liquid can be backflushed to form bubbles, workers are reminded that the shell body needs to be replaced in time when the gap appears, even if liquid or dust finally enters the inflation cavity, the inner shell formed by the clip-type fixing plate and the clip-type sleeve plate can still protect the photoelectric detection electronic components, the photoelectric detection electronic components are prevented from being corroded by accumulated liquid, when the device is burnt by high temperature due to fire, the carbon dioxide gas in the device can overflow to extinguish fire, so that the electronic components are protected, the service life and the safety of the device are improved;

2. in the invention, the side wall of one side of the shell cover close to the inner part of the shell cover is abutted against the inner wall of the shell, and the inner wall of the shell cover is abutted against the outer side wall of the clip-shaped fixing plate; after the shell is connected with the shell cover, part of the shell cover can be inserted into a gap between the shell and the square-shaped fixing plate to abut against the part of the joint of the shell cover and the shell, so that the joint is prevented from being deformed by impact to generate a gap, and the sealing effect is improved;

3. the top plate is abutted against the upper end of the photoelectric detection electronic component to limit the photoelectric detection electronic component, the top plate has certain elastic mobility through the elastic force of the spring, and the elastic plate abutted against the upper end of the photoelectric detection electronic component also has certain elasticity, so that the photoelectric detection electronic component is prevented from being damaged due to the fact that the elastic plate is rigidly abutted against the upper end of the photoelectric detection electronic component, and the photoelectric detection electronic component is protected.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a housing of an electronic component for photodetection according to the present invention;

FIG. 2 is a schematic view of the structure of the housing body according to the present invention;

FIG. 3 is a schematic view of the structure of the housing of the present invention;

FIG. 4 is a schematic view of the structure of the cover of the present invention;

FIG. 5 is a schematic structural view of a metal pin sleeve according to the present invention;

FIG. 6 is a schematic structural view of a guard plate according to the present invention;

FIG. 7 is a schematic view of a connecting assembly according to the present invention;

fig. 8 is a schematic structural view of the position limiting assembly of the present invention.

Reference numbers in the figures: 1. a housing body; 11. a housing; 12. a shell cover; 13. a port; 14. an inflation inlet; 15. an inflation cavity; 16. a metal pin sleeve; 161. sealing the hole; 162. an arc-shaped metal elastic sheet; 17. carrying out double-square cutting; 18. a clip-shaped slot; 181. a clip-shaped gasket; 2. a protection plate; 21. a clip-shaped fixing plate; 22. a communicating pipe; 23. a double-sided sheathing board; 24. inserting plates; 25. a card slot; 3. a connection assembly; 31. inserting a tube; 32. a through hole; 33. connecting blocks; 34. a jack; 35. an annular seal; 36. a connecting screw; 4. a limiting component; 41. a top plate; 42. a groove; 43. an elastic plate; 44. a traveler; 45. a spring; 46. and fixing the tube.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

In the specific implementation process, as shown in fig. 1 to 8, a housing body 1, the housing body 1 includes a housing 11, a housing cover 12 is installed at an upper end opening of the housing 11, an upper end fixed mounting of the housing 11 has a clip 17, and a clip 18 matched with the clip 17 is installed on a lower side wall of the housing cover 12, a clip gasket 181 is fixedly installed at an inner top of the clip 18, a port 13 is opened at a front side of the housing 11, a transparent sealing plate is fixedly installed in the port 13, two metal pin sleeves 16 are fixedly installed at a bottom of the housing 11, upper ends of the two metal pin sleeves 16 respectively extend to the inner bottom of the housing 11, a protection plate 2 is fixedly installed inside the housing 11, the protection plate 2 includes a clip fixing plate 21, the clip fixing plate 21 is fixedly installed at the inner bottom of the housing 11, an air charging cavity 15 is formed in a space between the clip fixing plate 21 and an inner wall of the housing 11, carbon dioxide gas is filled in the air charging cavity 15, a charging port 14 communicated with the air charging port 14 is installed in the air charging port 14, the clip fixing plate 21 is communicated with the inner wall of the housing 11 through a communicating pipe 22, the clip 12, and a connecting assembly 23 is installed on a side wall of the clip 12, and a side wall of the clip 12 is connected with a plug assembly 23, and a plug board 24 connected with a plug board 24.

It should be noted that: when the shell of the electronic component is used, the shell body 1 is inserted into a corresponding photoelectric detection device at the lower end of the photoelectric detection device, the photoelectric detection electronic component is placed inside the square-shaped fixing plate 21, two sides of the photoelectric detection electronic component are inserted into the clamping grooves 25 of the plug boards 24, pins of the photoelectric detection electronic component are inserted into the metal pin sleeves 16, a photoelectric detection component on the photoelectric detection electronic component faces to the through opening 13, the shell cover 12 is covered, the square-shaped plug strip 17 on the shell 11 is inserted into the square-shaped slot 18 on the shell cover 12, the square-shaped sleeve board 23 on the shell cover 12 is sleeved on the square-shaped fixing plate 21, the shell cover 12 is fixedly connected with the shell 11 through the connecting component 3, the upper end of the photoelectric detection electronic component is limited through the limiting component 4, the photoelectric detection electronic component is limited inside the square-shaped fixing plate 21, carbon dioxide gas is injected into the gas charging cavity 15 through the gas charging port 14, the one-way valve at the gas charging port 14 can prevent the backflow of the carbon dioxide gas, the square-shaped sealing gasket in the square-shaped slot 18 realizes the sealing between the shell cover 12 and the shell 11, so as to ensure the sealing of the gas charging cavity 15, and when the photoelectric detection device is used, the metal pin sleeves 16 at the lower end of the shell body 1 are electrically connected with the photoelectric detection electronic component, and the photoelectric detection device; the photoelectric detection electronic component is arranged in the clip-shaped fixing plate 21, the clip-shaped fixing plate 21 and the clip-shaped sleeve plate 23 form an inner shell, the shell 11 and the shell cover 12 form an outer shell, so that the inner shell and the outer shell can doubly protect the photoelectric detection electronic component, the whole shell body 1 is only arranged at the joint of the shell 11 and the shell cover 12, the shell 11 and the shell cover 12 are connected through the clip-shaped inserting strip 17 and the clip-shaped inserting groove 18, the connection stability is good, the connection is tight and seamless, the sealing effect of the two is further improved through the clip-shaped sealing gasket 181, so that the photoelectric detection electronic component is arranged in a sealing body, the liquid can be prevented from leaking into the gap, the photoelectric detection electronic component can be further protected, when the outer side of the shell 11 is impacted, the inflating cavity 15 can be compressed, and the carbon dioxide gas filled in the inflating cavity 15 can form a reverse elastic force by impact compression, the impact force formed by the impact is buffered, so that the shell body 11 has certain elasticity, the rigid collision damage of the shell body is avoided, the photoelectric detection electronic components are protected, when a gap appears at the joint between the shell body 11 and the shell cover 12, carbon dioxide gas in the inflation cavity 15 can leak out from the gap, so that external liquid can be backflushed to form bubbles, a worker is reminded that the gap appears in the shell body 1 and needs to be replaced in time, even if liquid or dust finally enters the inflation cavity 15, the inner shell formed by the clip-shaped fixing plate 21 and the clip-shaped sleeve plate 23 can still continuously protect the photoelectric detection electronic components, the photoelectric detection electronic components are prevented from being corroded by accumulated liquid, when the device is burnt by fire and the shell body 11 is burnt at high temperature, the carbon dioxide gas in the device can overflow to extinguish the fire source, therefore, the electronic components are protected, and the service life and the safety of the electronic components are improved.

Referring to fig. 5, a sealing hole 161 is formed in the upper end of the metal pin sleeve 16, and a plurality of arc-shaped metal elastic pieces 162 surrounding the sealing hole 161 are fixedly mounted on the inner wall of the sealing hole 161.

It should be noted that: the pins on the photodetection electronic component need to be inserted into the sealing holes 161 of the metal pin sleeve 16, and the pins on the photodetection electronic component squeeze the arc-shaped metal elastic sheet 162, so that the pins and the metal pin sleeve 16 are in close contact to be electrically connected.

Referring to fig. 5, a plurality of sets of arc-shaped metal elastic pieces 162 are disposed in the sealing hole 161, and the plurality of sets of arc-shaped metal elastic pieces 162 are vertically arranged; the connection sealing performance between the pins on the photoelectric detection electronic component and the metal pin sleeve 16 is improved, and the stability of the electrical connection between the pins and the metal pin sleeve is ensured.

Wherein, the side wall of one side of the square-shaped slot 18 close to the inside of the shell cover 12 is abutted against the inner wall of the shell 11, and the inner wall of the shell cover 12 is abutted against the outer side wall of the square-shaped fixing plate 21; after the housing 11 is connected with the housing cover 12, the part of the housing cover 12 is inserted into the gap between the housing 11 and the clip-shaped fixing plate 21 to abut against the part of the joint between the housing cover 12 and the housing 11, so that the joint is prevented from being deformed by impact to cause a gap, and the sealing effect is improved.

Referring to fig. 4, 6 and 7, the connecting assembly 3 includes a connecting screw 36 and a connecting block 33, two sets of insertion tubes 31 are symmetrically installed on the inner top of the housing cover 12, and two sets of insertion tubes 31 are both provided with vertically arranged through holes 32, two sets of connecting blocks 33 corresponding to the plurality of insertion tubes 31 are fixedly installed on the inner wall of the clip-shaped fixing plate 21, the connecting block 33 is provided with insertion holes 34, the bottoms of the insertion tubes 31 are inserted into the insertion holes 34, and the connecting screw 36 is inserted into the through holes 32 and is in threaded connection with the connecting blocks 33.

It should be noted that: when the cover 12 is mounted on the housing 11, the bottom of the insertion tube 31 is inserted into the insertion hole 34 of the connection block 33, the connection screw 36 is inserted into the through hole 32 of the insertion tube 31 from the top of the cover 12, and the connection screw 36 is screwed with a tool so that the bottom thereof is screwed into the inner bottom wall of the insertion hole 34, thereby fixedly connecting the cover 12 to the clip type fixing plate 21 and fixing the cover 12 to the housing 11.

Referring to fig. 7, an annular sealing gasket 35 is fixedly mounted at the bottom in the insertion hole 34, and the bottom of the insertion tube 31 is abutted against the annular sealing gasket 35.

It should be noted that: the bottom of the insertion tube 31 abuts against the annular sealing gasket 35 in the insertion hole 34, so that the bottom of the insertion tube 31 is tightly inserted in the insertion hole 34, and the sealing performance is improved.

The bottom end of the insertion tube 31 is arranged in a conical shape, and the maximum outer diameter of the insertion tube 31 is consistent with the diameter of the insertion hole 34; insertion of the cannula 31 into the receptacle 34 is facilitated.

Referring to fig. 8, the limiting assembly 4 includes a top plate 41, the top plate 41 is installed at the bottom in the housing cover 12, a groove 42 is formed at the bottom of the top plate 41, an elastic plate 43 is fixedly installed in the groove 42, two symmetrical sliding columns 44 are fixedly installed at the top of the top plate 41, two fixed tubes 46 are fixedly installed at the top in the housing cover 12, and the tops of the sliding columns 44 are inserted into the fixed tubes 46 and connected with the tops in the fixed tubes 46 through springs 45.

It should be noted that: after cap 12 is installed, elastic plate 43 in the bottom groove 42 of top plate 41 can support the upper end of photoelectric detection electronic component, limit photoelectric detection electronic component, the top of sliding column 44 is connected inside fixed tube 46 through spring 45, make sliding column 44 elastically slide inside fixed tube 46, elastic force through spring 45 makes top plate 41 have certain elastic activity, elastic plate 43 supporting the upper end of photoelectric detection electronic component also has certain elasticity, avoid elastic plate 43 rigidity to support and cause the damage to photoelectric detection electronic component at photoelectric detection electronic component upper end, play a guard action to photoelectric detection electronic component.

Wherein, be equipped with the arc guiding edge on the opening part inner wall of time type slot 18, make things convenient for time type cutting 17 to inject time type slot 18, be equipped with time type slope on the lateral wall of time type fixed plate 21 upper end, make things convenient for time type lagging 23 plug bushes at time type fixed plate 21 top.

The working principle provided by the invention is as follows: when the photoelectric detection electronic component is arranged, the photoelectric detection electronic component is placed in the clip-shaped fixing plate 21, two sides of the photoelectric detection electronic component are inserted into the clamping grooves 25 of the plugboards 24, and pins of the photoelectric detection electronic component are inserted into the sealing holes 161 of the metal pin sleeve 16, the pins on the photoelectric detection electronic component are in extrusion contact with the arc-shaped metal elastic sheet 162 to form electrical connection, a photoelectric detection component on the photoelectric detection electronic component faces to the through opening 13, the shell cover 12 is covered, the clip 17 on the shell 11 is inserted into the clip slot 18 on the shell cover 12, the clip-shaped sleeve plate 23 on the shell cover 12 is sleeved on the clip-shaped fixing plate 21, the elastic plate 43 in the groove 42 at the bottom of the top plate 41 is abutted against the upper end of the photoelectric detection electronic component to limit the photoelectric detection electronic component, so that the photoelectric detection electronic component is limited in the clip-shaped fixing plate 21, the bottom of the insertion tube 31 is inserted into the insertion hole 34 of the connection block 33 and presses the annular sealing gasket 35, the connection screw 36 is inserted into the through hole 32 of the insertion tube 31 from the top of the shell cover 12, the connection screw 36 is screwed by a tool to enable the bottom of the connection screw to be screwed into the inner bottom wall of the insertion hole 34 to be in threaded connection with the insertion hole, so that the shell cover 12 is fixedly connected with the clip-type fixing plate 21, the shell cover 12 is fixed on the shell 11, carbon dioxide gas is filled into the inflation cavity 15 through the inflation inlet 14, the one-way valve at the inflation inlet 14 can prevent the carbon dioxide gas from flowing back, the clip-type sealing gasket 181 in the clip-type slot 18 realizes the sealing between the shell cover 12 and the shell 11, so as to ensure the sealing performance of the inflation cavity 15, and when in use, the metal pin sleeve 16 at the lower end of the shell body 1 is inserted into a corresponding photoelectric detection device, so as to realize the electric connection between a photoelectric detection electronic component and a photoelectric detection device; photoelectric detection electronic components are arranged in the clip-shaped fixing plate 21, the clip-shaped fixing plate 21 and the clip-shaped sleeve plate 23 form an inner shell, the shell 11 and the shell cover 12 form an outer shell, so that the inner shell and the outer shell can doubly protect the photoelectric detection electronic components, the whole shell body 1 is only arranged at the joint of the shell 11 and the shell cover 12, the shell 11 and the shell cover 12 are connected through the clip-shaped insertion strip 17 and the clip-shaped insertion slot 18, the connection is tight and seamless, the sealing effect of the shell 11 and the shell cover can be further improved through the clip-shaped sealing gasket 181, so that the photoelectric detection electronic components are arranged in a sealing body, liquid can be prevented from leaking into the gap, when the outer side of the shell 11 is impacted, the inflating cavity 15 can be compressed, and carbon dioxide gas filled in the inflating cavity 15 can form reverse elastic force due to impact compression, buffering the impact force that the impact formed, make casing 11 have certain elasticity, thereby avoid its rigid collision to damage, when the gap appears in the junction between casing 11 and cap 12, the inside carbon dioxide gas of aerify chamber 15 can spill from its gap, thereby recoil to external liquid, the formation bubble, remind staff's shell body 1 to appear the gap and need in time change it, even liquid or dust finally get into inside aerify chamber 15, the inner shell that time type fixed plate 21 and time type lagging 23 formed still can continue to protect photoelectric detection electronic components, avoid photoelectric detection electronic components to be corroded by the hydrops, when the device received the conflagration and casing 11 was burnt by high temperature, its inside carbon dioxide gas can spill over and put out a fire to the ignition source and handle.

The circuits and controls involved in the present invention are all the prior art, and are not described herein in detail.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims

1. An electronic component shell for photoelectric detection, comprising:

the shell comprises a shell body (1), the shell body (1) comprises a shell (11), a shell cover (12) is installed at an opening at the upper end of the shell (11), a clip-shaped insert (17) is fixedly installed at the upper end of the shell (11), a clip-shaped slot (18) matched with the clip-shaped insert (17) is formed in the lower side wall of the shell cover (12), a clip-shaped sealing gasket (181) is fixedly installed at the inner top of the clip-shaped slot (18), a through hole (13) is formed in the front side of the shell (11), a transparent sealing plate is fixedly installed in the through hole (13), two metal pin sleeves (16) are fixedly installed at the bottom of the shell (11), the upper ends of the two metal pin sleeves (16) extend to the inner bottom of the shell (11) respectively, a protection plate (2) is fixedly installed in the shell (11), the protection plate (2) comprises a clip-shaped fixing plate (21), the clip-shaped fixing plate (21) is fixedly installed at the inner bottom of the shell (11), a space between the clip-shaped fixing plate (21) and the inner wall of the shell (11) forms an inflation cavity (15), a carbon dioxide gas filling opening (14) is formed in the inflation cavity (14), and the outer side wall of the inflation valve (14), the shell cover is characterized in that the clip-shaped fixing plate (21) is communicated with the through opening (13) through a communicating pipe (22), a clip-shaped sleeve plate (23) is fixedly mounted at the top in the shell cover (12), the clip-shaped sleeve plate (23) is sleeved on the clip-shaped fixing plate (21), two symmetrically arranged inserting plates (24) are fixedly mounted on the inner wall of the clip-shaped fixing plate (21), clamping grooves (25) are formed in the side walls of one opposite sides of the two inserting plates (24), the shell cover (12) is connected with the shell body (11) through a connecting assembly (3), and a limiting assembly (4) is further mounted at the inner bottom of the shell cover (12);

spacing subassembly (4) include roof (41), bottom in cap (12) is installed in roof (41), recess (42) have been seted up to roof (41) bottom, and fixed mounting has elastic plate (43) in recess (42), roof (41) top fixed mounting has two traveller (44) that the symmetry set up, top fixed mounting has two fixed pipes (46) in cap (12), and traveller (44) top inserts and locates in fixed pipe (46) and be connected through spring (45) and fixed pipe (46) interior top.

2. The electronic component casing for photoelectric detection as claimed in claim 1, wherein a sealing hole (161) is formed in an upper end of the metal pin sleeve (16), and a plurality of arc-shaped metal elastic sheets (162) are fixedly mounted on an inner wall of the sealing hole (161) in a surrounding manner.

3. The electronic component housing for photoelectric detection according to claim 2, wherein a plurality of sets of arc-shaped metal elastic pieces (162) are disposed in the sealing hole (161), and the plurality of sets of arc-shaped metal elastic pieces (162) are vertically arranged.

4. The electronic component casing for photoelectric detection according to claim 1, wherein a side wall of the clip-shaped slot (18) close to the inside of the casing cover (12) abuts against an inner wall of the casing (11), and an inner wall of the casing cover (12) abuts against an outer side wall of the clip-shaped fixing plate (21).

5. The electronic component housing for photoelectric detection as claimed in claim 1, wherein the connecting assembly (3) includes a connecting screw (36) and a connecting block (33), two sets of insertion tubes (31) are symmetrically installed on an inner top portion of the housing cover (12), and through holes (32) are vertically formed in the two sets of insertion tubes (31), two sets of connecting blocks (33) corresponding to the plurality of insertion tubes (31) are fixedly installed on an inner wall of the clip-shaped fixing plate (21), a jack (34) is formed in the connecting block (33), the bottom of the insertion tube (31) is inserted into the jack (34), and the connecting screw (36) is inserted into the through hole (32) and the bottom of the connecting block (33) is in threaded connection with the connecting block (33).

6. The electronic component casing for photoelectric detection according to claim 5, wherein an annular gasket (35) is fixedly mounted at the bottom in the insertion hole (34), and the bottom of the insertion tube (31) abuts against the annular gasket (35).

7. The electronic component casing for photodetection according to claim 5, characterized in that the bottom end of the insertion tube (31) is set in a tapered shape, and the maximum outer diameter of the insertion tube (31) is the same as the diameter of the insertion hole (34).

8. The electronic component casing for photoelectric detection according to claim 1, wherein an arc-shaped guide edge is provided on an inner wall of an opening of the clip-shaped slot (18), and a clip-shaped slope is provided on an outer side wall of an upper end of the clip-shaped fixing plate (21).