CN210166096U

CN210166096U - Air tightness detection device, lamp body waterproof structure and ship

Info

Publication number: CN210166096U
Application number: CN201920209696.7U
Authority: CN
Inventors: 林灿荣; 吴铎; 陈辉奇; 彭卓志; 丹尼斯
Original assignee: Ocean Jet Underwater Vehicle (shenzhen) Co Ltd
Current assignee: Ocean Jet Underwater Vehicle (shenzhen) Co Ltd
Priority date: 2019-02-19
Filing date: 2019-02-19
Publication date: 2020-03-20
Anticipated expiration: 2029-02-19

Abstract

The utility model provides an air tightness detection device, a lamp body waterproof structure and a ship, wherein the air tightness detection device is directly assembled at the open end of a workpiece and forms a closed space, so that the air tightness detection device forms a component of a sealed cavity of a product to be detected, can detect the air tightness of an interface, and is convenient for finding out the abrasion condition and maintaining in time; the lamp body waterproof structure can not only bear preset water pressure in a sealing mode, but also can directly test air tightness through the air tightness detection device, and further enables ships equipped with the lamp body waterproof structure to obtain continuous and stable light sources.

Description

Air tightness detection device, lamp body waterproof structure and ship

Technical Field

The utility model belongs to examine a field, concretely relates to gas tightness detection device, lamp body waterproof construction and ship.

Background

With the popularization and application of electronic components and devices, the research on the air tightness function direction is more and more emphasized, and the air tightness characteristic becomes a necessary and primary quality index when the electronic components are applied to water environment or dust environment or other special environments.

In the prior art, a product is required to be placed in a water environment to be pressurized for air tightness detection, and a detection tool is required to be additionally arranged on an interface of many products, so that interface abrasion caused by the addition of the detection tool is difficult to avoid, and air tightness loss caused by the interface abrasion is difficult to control and detect; for a workpiece with high precision requirement on air tightness or needing to operate in special environments such as water environment and the like, an additional checking fixture needs to perform sealing operation on the workpiece after detection, the air tightness of a sealing interface generally needs to be detected additionally to guarantee the air tightness of the workpiece, otherwise, if the workpiece has the air tightness problem, serious product quality problems and potential safety hazards are easily caused.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides an air tightness detection device, be used for direct assembly to hold and constitute airtight space in the work piece is open, and then detect whole gas tightness, a serial communication port, including mount pad and interface valve, air tightness detection device passes through the open end of mount pad fixed connection at semi-closed work piece and corresponds the wall week that detachably connects at the work piece, wherein, the mount pad cover is equipped with at least one sealing washer and passes through sealing washer interference butt at the work piece inboardly, the interface valve adaptation passes the first through-hole that mount pad central authorities set up along axial extension and establishes the sealing washer interference connection in the interface valve outside at first through-hole inboardly through the cover, still be equipped with the second through-hole that extends and run through the interface valve with first through-hole syntropy in interface valve central authorities, the second through-hole is used for external.

Preferably, the mounting seat extends outwards and is equipped with the sand grip of a plurality of default height, the sand grip with the sealing washer sets up at the mounting seat periphery interval, the interface valve extends outwards and is equipped with the sand grip of a plurality of default height and overlaps and be equipped with the sealing washer, sand grip and sealing washer set up at the interface valve periphery interval.

Preferably, the inner side of the interface valve is provided with threads, and the interface valve is correspondingly matched and screwed with the external air pressure detection device through the threads.

Preferably, the air tightness detection device is further provided with a plugging piece which is used for being arranged inside the second through hole in a sealing mode, the plugging piece is a cylindrical core of which the outer side is sleeved with a sealing ring, and the plugging piece is tightly abutted to the inner side of the second through hole through the sealing ring.

Preferably, the shutoff piece includes that the periphery is equipped with the sealing part of sealing washer and the periphery is equipped with the screw thread and closes the connecting portion at the second through-hole inboard through the screw thread spiral.

The utility model also provides a lamp body waterproof construction has gas tightness detection device, still includes waterproof casing and LED banks, and wherein waterproof casing is the open semi-enclosed work piece of only one end, and gas tightness detection device installs and constitutes airtight waterproof accommodation space at open end and with waterproof casing, and the LED banks sets up inside waterproof casing, wherein the LED banks include the LED bulb and with LED bulb electric connection's circuit board.

Preferably, the circuit board is made of a heat conducting material, the interface valve is penetrated through the first through hole, the length of the interface valve is just abutted to the circuit board, heat conducting glue is coated on one outward side of the circuit board, and the heat conducting glue is arranged between the interface valve and the circuit board and used for dissipating heat generated by the LED lamp set more quickly and outwards.

Preferably, lamp body waterproof construction still includes the reflector, and the reflector includes photospot and fixed part, and the photospot is both ends open-ended barrel, and the LED bulb is installed at barrel one side opening, the fixed part shape with waterproof casing adaptation, the barrel opposite side is connected with the fixed part and passes through the fixed part joint in waterproof casing.

Preferably, the circuit board is clamped on one side of the reflector barrel and forms a waterproof space with the reflector, the LED bulb is completely accommodated and installed in the waterproof space, and a lead of the LED lamp group penetrates out of an opening formed in the circuit board.

The utility model also provides a ship has lamp body waterproof construction.

The utility model provides an air tightness detection device, and lamp body waterproof construction and the beneficial technological effect that ship had as follows:

① the utility model provides an air tightness detection device need not to immerse the product in water, can be through operating high accuracy air tightness detection device, measure the mode of the pressure drop of product cavity within the stipulated time and detect whether its air tightness is qualified, convenient operation, reduce and detect the cost;

② the utility model provides an air tightness detection device, which is used for directly assembling at the open end of a workpiece and forming a closed space, thereby forming a component of a sealed cavity of a product to be detected, detecting the air tightness of an interface, being convenient for finding out the abrasion condition and maintaining in time, reducing the possibility of poor air tightness and ensuring the whole tightness of the workpiece;

③ the air tightness detecting device provided by the utility model is respectively provided with two sealing rings in the outside of the mounting seat and the interface valve in an interference fit manner, the sealing rings are extruded by the wall body to generate radial and axial deformation, on one hand, the sealing rings are more tightly connected with the wall body, on the other hand, mutual acting force is formed between the two sealing rings which are arranged relatively inside and outside, and the two sealing rings are respectively abutted against the wall body towards two sides, thereby the air tightness detecting device is connected with the air tightness of the workpiece during further testing;

④ the utility model provides an airtightness detection device is also provided with a plugging piece for sealing configuration inside the second through hole, the plugging piece is a cylinder core of which the outer side is sleeved with a plurality of sealing rings and is tightly abutted inside the second through hole through the sealing rings, the arrangement of the plugging piece enables the airtightness detection device to be directly used for sealing the open end of the workpiece to be detected, after airtightness is detected, the device or a new plugging element adapted to the device is not needed to be replaced, the sealing operation of the workpiece to be detected can be directly completed on the basis of the airtightness detection device, thereby reducing the possibility of air leakage of the workpiece to be detected at the plugging position, and reducing the airtightness detection steps and detection, and the production cost;

⑤ the utility model also provides a lamp body waterproof construction, its sealed setting can not only bear predetermined water pressure to can also directly pass through gas tightness detection device test gas tightness, in addition, the outside one side coating of circuit board has the heat conduction glue, and the heat conduction glue is between interface valve and circuit board, is used for the heat of the production of generating heat of outside dissipation LED bulb more fast.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 the drawings without creative efforts.

Fig. 1 is an exploded schematic view of the air tightness detecting device of the present invention;

FIG. 2 is a schematic side view of the air tightness detecting device according to the present invention;

FIG. 3 is a second schematic side view of the air tightness detecting device of the present invention;

fig. 4 is a schematic side view of the waterproof structure of the lamp body of the present invention;

fig. 5 is an explosion structure diagram of the waterproof structure of the lamp body of the present invention;

description of the main element symbols:

1: a mounting seat; 11: a first through hole; 2: a port valve; 21: a second through hole; 3: a seal ring; 4: a convex strip; 5: a blocking member; 6: a waterproof housing; 7: an LED lamp group; 71: an LED bulb; 72: a circuit board; 8: a reflector; 81: a light-condensing section; 82: fixing part

Detailed Description

Example 1:

In the prior art, a product is required to be placed in a water environment to be pressurized for air tightness detection, and a detection tool is required to be additionally arranged on an interface of many products, so that interface abrasion caused by the addition of the detection tool is difficult to avoid, and air tightness loss caused by the interface abrasion is difficult to control and detect; for a workpiece with high precision requirement on air tightness or needing to operate in special environments such as water environment and the like, an additional checking fixture needs to perform sealing operation on the workpiece after detection, the air tightness of a sealing interface generally needs to be detected additionally to guarantee the air tightness of the workpiece, otherwise, if the workpiece has the air tightness problem, serious product quality problems and potential safety hazards are easily caused. Therefore, the utility model provides an integral type gas tightness detection device, can directly assemble at the work piece open end and constitute the airtight space, thereby self constitute the component part of waiting to examine the product seal chamber, can detect the interface gas tightness, be convenient for discover the wearing and tearing condition and in time maintain, concrete structure is shown in figure 1-2, this gas tightness detection device includes mount pad (1) and interface valve (2), it connects at the open end of semi-closed work piece and corresponds detachably and connect in the wall week of work piece through mount pad (1) fixed connection, wherein, the mount pad cover is equipped with at least one sealing washer (3) and through sealing washer interference butt at the work piece inboard, interface valve (2) adaptation passes the first through-hole (11) that the mount pad central authorities set up along axial extension and through the sealing washer (3) interference connection of interface cover outside the valve at first through-hole inboard, and a second through hole (21) which extends in the same direction as the first through hole and penetrates through the interface valve is further formed in the center of the interface valve, and the second through hole is used for being externally connected with a gas pipeline of the gas pressure testing device. In the embodiment, the sealing ring is made of rubber, wherein commonly used materials include nitrile rubber, chloroprene rubber, natural rubber, fluororubber, silicon rubber and the like, and in other embodiments, the sealing ring can also be made of materials such as high-molecular polytetrafluoroethylene or polyurethane and the like.

For further rationalize the structure and promote the gas tightness of gas tightness detection device and the work piece that awaits measuring, as shown in fig. 1-2, mount pad (1) outwards extend and be equipped with a plurality of sand grips (4) of predetermineeing the height, the sand grip with sealing washer (3) set up at mount pad periphery interval, interface valve (2) outwards extend and be equipped with a plurality of sand grips (4) of predetermineeing the height, the sand grip with sealing washer (3) set up at interface valve (2) periphery interval. In this embodiment, two protruding strips (4) are arranged on the peripheries of the mounting seat and the interface valve, a sealing ring (3) is arranged between the two protruding strips, and another sealing ring (3) is arranged on one side of any protruding strip, so that the two protruding strips and the two sealing rings are arranged on the peripheries of the mounting seat (1) and the interface valve (2) at intervals. Through two sealing washers that the interference cover was established, radial and axial deformation has taken place for the sealing washer receives the wall body extrusion, on the one hand make between interface valve (2) and mount pad (1) and the work piece wall can obtain higher gas tightness between week, on the other hand makes and forms the effort of each other between two relative inside and outside sealing washer (3) that set up, make the two respectively to both sides butt wall body, thereby gas tightness detection device is connected with the gas tightness of work piece during further test.

In order to facilitate the detection operation, the inner side of the interface valve (2) is provided with threads, and the interface valve is correspondingly matched and screwed with the external air pressure detection device through the threads. In order to improve the air tightness, a sealing ring (3) is arranged outside the outermost thread and used for realizing the air tightness connection between the interface valve and an air supply pipeline of an external air pressure detection device.

Example 2:

for further promoting the convenient degree of operation, this embodiment provides an air tightness detection device who has add shutoff piece (5) on embodiment 1's basis, as shown in fig. 3, shutoff piece (5) sealed configuration is inside second through-hole (21), the shutoff piece is equipped with the cylinder core of a plurality of sealing washers (3) for the outside cover and closely the butt in the second through-hole inboard through the sealing washer, the setting up of shutoff piece makes this air tightness detection device can directly be used for sealing the open end of this work piece that awaits measuring, after detecting the gas tightness, need not to change the new shutoff component of device or adaptation, can directly accomplish the sealed operation of the work piece that awaits measuring on this air tightness detection device's basis, thereby reduced the possibility of the work piece that awaits measuring at the shutoff position gas leakage, reduce gas tightness detection step and detection, manufacturing cost. In this embodiment, shutoff piece (5) are equipped with the screw thread including the sealing portion and the periphery that the periphery cover was equipped with a plurality of sealing washer (3) and twist through the screw thread and close at the inboard connecting portion of second through-hole (21), and wherein the shutoff piece chooses rigid material to make for use to mainly establish through outside sealing washer interference cover and realize the gas tightness function, in other embodiments, but this shutoff piece also can choose for use the elastic material that deforms to make.

Example 3:

the embodiment provides a lamp body waterproof structure based on embodiments 1-2, the sealing arrangement of which can not only bear the preset water pressure, but also can directly test the air tightness through an air tightness detection device, the specific structure is shown in fig. 4-5, the lamp body waterproof structure further comprises a waterproof shell (6) and an LED lamp set (7), wherein the waterproof shell (6) is a semi-closed workpiece with only one open end, the air tightness detection device is installed at the open end and forms a sealable waterproof accommodating space with the waterproof shell, the LED lamp set (7) is arranged inside the waterproof shell, and the LED lamp set comprises an LED bulb (71) and a circuit board (72) electrically connected with the LED bulb. For accelerating the heat dissipation, it is overheated to place the LED banks, the circuit board chooses for use the heat conduction material to make, interface valve (2) are penetrated and its length just butt at circuit board (72) by first through-hole (11), the outside one side coating of circuit board has the heat-conducting glue, the heat-conducting glue is between interface valve (2) and circuit board, the heat that the LED banks produced is conducted to the interface valve through the heat-conducting glue by the heat-conducting circuit board, interface valve and external environment contact, can generate heat the heat that produces to the outside dissipation LED bulb more fast, especially when the external world is the water environment, the rivers that flow can form the temperature difference in lamp body waterproof construction both sides, dissipate inside heat to aquatic, thereby increase the life of lamp body, avoid the overheat loss.

Further, as shown in fig. 5, the lamp body waterproof structure further includes a reflector (8), the reflector includes a light-gathering portion (81) and a fixing portion (82), the light-gathering portion is a cylinder with openings at two ends, the LED bulb (71) is installed at an opening at one side of the cylinder, the fixing portion is in shape matched with the waterproof housing (6), the other side of the cylinder is connected with the fixing portion and connected with the waterproof housing through the fixing portion in a clamping manner, the cylinder is in a horn-shaped structure with one narrow side and one wide side in the embodiment, the LED bulb (71) is installed at one narrow side, light is emitted from the wide end, brightness can be visually improved, the waterproof housing (6) is a transparent housing, and light can irradiate an underwater environment. For further extension LED electrical component life, avoid the electrical component short circuit or the damage that steam got into and cause, the circuit board joint constitutes waterproof space in reflector (8) barrel one side and with the reflector, LED bulb (71) are acceptd completely and are installed in this waterproof space, and the trompil that sets up on the lead wire of LED bulb by circuit board (72) is worn out to can further realize water-proof effects, do not influence the accuracy degree that the gas tightness detected simultaneously.

Example 4:

the utility model also provides a ship has this lamp body waterproof construction, and lamp body waterproof construction disposes in the ship front end. The lamp body waterproof structure can not only utilize the lamp body to carry out air tightness detection and encapsulation, but also has good pressure holding effect in water environment (particularly underwater environment) through sampling detection, namely, the lamp body waterproof structure can still maintain air tightness under higher pressure and has the property of protecting a light-emitting element.

The air tightness detection device, the lamp body waterproof structure and the ship provided by the utility model are introduced in detail, and the principle and the implementation mode of the utility model are explained by applying specific examples, and the explanation of the above examples is only used for helping to understand the core idea of the utility model; meanwhile, for the person skilled in the art, according to the idea and method of the present invention, there may be changes in the specific embodiments and the application scope, and in summary, the content of the present specification should not be understood as a limitation to the present invention.

Claims

1. The utility model provides an air tightness detection device, be used for direct assembly at the work piece open end and constitute airtight space, and then detect whole gas tightness, a serial communication port, including mount pad (1) and interface valve (2), air tightness detection device passes through mount pad (1) fixed connection at the open end of semi-closed work piece and corresponds detachably and connect at the wall of work piece week, wherein, the mount pad cover is equipped with at least one sealing washer (3) and passes through sealing washer interference butt at the work piece inboard, interface valve (2) adaptation is passed first through-hole (11) that mount pad central authorities set up along axial extension and is connected inboard at first through-hole through the sealing washer interference of cover establishing in the interface valve outside, still be equipped with second through-hole (21) that extend and run through the interface valve with first through-hole syntropy in interface valve central authorities, the second through-hole is used for external atmospheric.

2. The airtightness detection apparatus according to claim 1, wherein the mounting seat (1) is outwardly extended with a plurality of ribs (4) having a predetermined height, the ribs and the sealing ring (3) are spaced apart from each other at the periphery of the mounting seat, the interface valve (2) is outwardly extended with a plurality of ribs (4) having a predetermined height and sleeved with the sealing ring (3), and the ribs and the sealing ring are spaced apart from each other at the periphery of the interface valve.

3. The airtightness detection apparatus according to claim 1, wherein a screw thread is provided inside the interface valve (2), and the interface valve is screwed in a corresponding manner with the external air pressure detection apparatus through the screw thread.

4. The airtightness detection apparatus according to claim 1, further comprising a sealing member (5) disposed inside the second through hole (21) in a sealing manner, wherein the sealing member is a cylindrical core having a sealing ring (3) fitted around the outer side thereof and is in tight abutment with the inner side of the second through hole through the sealing ring.

5. The airtightness detection apparatus according to claim 4, wherein the block piece (5) includes a sealing portion whose outer periphery is fitted with the seal ring (3) and a connecting portion whose outer periphery is threaded and screwed inside the second through hole (21).

6. A waterproof structure of a lamp body is characterized in that the air tightness detection device comprises a waterproof shell (6) and an LED lamp group (7), wherein the waterproof shell is a semi-closed workpiece with only one open end, the air tightness detection device is arranged at the open end and forms a sealed waterproof accommodating space with the waterproof shell, the LED lamp group is arranged inside the waterproof shell, and the LED lamp group comprises an LED bulb (71) and a circuit board (72) electrically connected with the LED bulb.

7. The waterproof structure of the lamp body according to claim 6, wherein the circuit board (72) is made of a heat conducting material, the interface valve (2) penetrates through the first through hole (11) and has a length just abutting against the circuit board (72), and one side of the circuit board facing outward is coated with a heat conducting glue which is arranged between the interface valve and the circuit board and used for dissipating heat generated by the LED lamp set more quickly and outwards.

8. The waterproof structure of a lamp body according to claim 6, wherein the waterproof structure of a lamp body further comprises a reflector (8), the reflector comprises a light-gathering part (81) and a fixing part (82), the light-gathering part is a cylinder with two open ends, the LED bulb (71) is arranged on one side of the cylinder, the fixing part is shaped to fit the waterproof shell (6), and the other side of the cylinder is connected with the fixing part and is clamped in the waterproof shell through the fixing part.

9. The waterproof structure of the lamp body according to claim 8, characterized in that the circuit board (72) is clamped on one side of the barrel of the reflector (8) and forms a waterproof space with the reflector, the LED bulb (71) is completely accommodated and installed in the waterproof space, and the lead of the LED lamp group penetrates through the opening arranged on the circuit board.

10. A ship having the lamp body waterproof structure as claimed in any one of claims 7 to 9.