CN218411556U - Air tightness bench testing device for small parts - Google Patents
Air tightness bench testing device for small parts Download PDFInfo
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- CN218411556U CN218411556U CN202222763669.9U CN202222763669U CN218411556U CN 218411556 U CN218411556 U CN 218411556U CN 202222763669 U CN202222763669 U CN 202222763669U CN 218411556 U CN218411556 U CN 218411556U
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Abstract
The utility model provides an air tightness bench test device for small parts, which comprises a test bench, a sealing test piece arranged on the test bench and a compression handle; the sealing test piece is of a hollow structure, the side surface of the sealing test piece is provided with a connecting port, the top of the sealing test piece is provided with a mounting port, the connecting port is hermetically connected with a gas conveying pipe or a water conveying pipe, and a small part to be tested is hermetically mounted on the mounting port; the sealing test piece is close to the pressing handle, and the pressing handle is pressed down to abut against the small part to be tested or the top of the sealing test piece. The test board and the pressing handle are fixed parts, sealing test pieces of different models can be replaced according to the tested parts, the sealing test pieces are simple in structure and convenient to produce, therefore, the sealing test pieces are easy to popularize and use, the actual use condition and the test effect are good at present, the test efficiency is greatly improved, and the test cost is reduced.
Description
Technical Field
The utility model relates to a spare part testing arrangement especially relates to an air tightness bench testing arrangement of small-size spare part.
Background
For some ultra-small parts, such as lamps or cameras with the diameter less than 5 cm, the fully-closed structure is adopted, and the ultra-small parts can be used for automobiles or other products. These products need be guaranteed the gas tightness of its product itself and installation department structure when installation and use, in case the gas tightness is not enough, inside outside air entering lamp house or confined casing, influence the result of use very easily, consequently these spare and parts all need can dispatch from the factory after the gas tightness test is qualified. The ultra-small parts are small in size and precise in structure, the diameter of the installation part of the ultra-small parts is only about 1 cm, the installation position is more precise, the size of the parts is smaller, the parts are lighter, the air tightness of the ultra-small parts with the fully-closed structures is not tested uniformly, the ultra-small parts have the advantages of convenience in testing, rapidness and accuracy, and the air tightness bench testing device of the ultra-small parts is researched and developed by the company according to actual needs.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an air tightness bench test device for small parts.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an air tightness on-board testing device for small parts comprises a testing board, a sealing testing piece and a pressing handle; the test bench is a flat plate-shaped table top, the sealing test piece is detachably and hermetically arranged on the test bench, and the pressing handle is fixedly arranged on the test bench; the sealing test piece is of a hollow structure, a connecting port is formed in the side face of the sealing test piece, an installing port is formed in the top of the sealing test piece, the connecting port is hermetically connected with a gas pipe or a water pipe, and a small part to be tested is hermetically installed on the installing port; the sealing test piece is close to the pressing handle, and the pressing handle is pressed down and abutted against the small part to be tested or the top of the sealing test piece.
Preferably, the sealing test piece is an integrally formed cylindrical cover structure, and an opening is formed in the bottom of the sealing test piece.
Preferably, a rubber ring is arranged on the periphery of the bottom opening of the sealing test piece, the sealing test piece is fastened on the test board through the rubber ring in a sealing mode, and the pressing handle presses the sealing test piece downwards and enables the sealing test piece to be connected with the test board in a sealing mode.
Preferably, a rubber ring is arranged at the mounting opening of the sealing test piece, and the small component to be tested and the mounting opening are mounted in a sealing mode through the rubber ring.
Preferably, the size and the model of the sealing test piece are different, and the mounting port of the sealing test piece is the same as the mounting structure of the small part to be tested.
Preferably, the tail end of the pressing handle is pressed down to enable the pressing head to fall on the small component to be tested, and the small component to be tested is connected with the mounting opening in a sealing mode and the sealing test piece is connected with the test board in a sealing mode through pressing.
Preferably, the sealing test piece is only provided with a connecting port on the side surface, the top part is not provided with a mounting port, and the small part to be tested is arranged in the cavity of the sealing test piece.
Preferably, the volume of the inner cavity of the sealing test piece is larger than the volume of the small-sized part to be tested.
Preferably, the tail end of the pressing handle falls on the top of the sealing test piece, and the pressing head makes the sealing test piece and the test bench connected in a sealing mode.
Compared with the prior art, the beneficial effects of the utility model are that: the method realizes unified, quick and convenient tightness test of common subminiature parts such as small cameras, small lamps and the like, and solves the problems that the airtightness test of the subminiature parts in the market at present needs to be fixed and a sealed environment is manufactured for each part to be tested because no unified test device is provided. The utility model discloses present in-service use situation is good, and efficiency of software testing obtains improving, and the test cost has also obtained effective reduction.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a device for testing the airtightness of a bench for a small-sized component with a mounting opening;
FIG. 2 is a schematic view of the structure of the airtight bench test apparatus for a small-sized component without a mounting port;
FIG. 3 is a schematic structural view of a sealing test piece of a port to be mounted.
The test device comprises a test board-1, a sealing test piece-2 'connecting port-21 without a mounting port, a mounting port-22, a bottom opening-23, a pressing handle-3, a rubber ring-4 at the mounting port and a rubber ring-4' at the bottom opening.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Common subminiature spare part in the market, for example, small-size camera, small-size lamps and lanterns etc. all have more gas tightness test demand, but do not have the gas tightness testing arrangement to the unified usefulness of above-mentioned spare part, there is the test demand at present, generally make a fixing device and create a simple and easy sealed environment to the spare part of being tested itself specially and carry out the gas tightness test, but this kind of test fixture who makes specially is only applicable to this spare part, in case change for other spare parts just can not used repeatedly again, consequently not only test at every turn wastes time and energy, still can cause certain waste. Aiming at the problem, the air tightness bench test device for the small parts is designed.
Referring to fig. 1, 2 and 3, an airtight bench test device for small components includes a test bench 1, a sealing test piece 2, and a pressing handle 3; the test bench 1 is a flat plate-shaped table top, the sealing test piece 2 is detachably and hermetically arranged on the test bench 1, and the pressing handle 3 is fixedly arranged on the test bench 1; the sealing test piece 2 is of a hollow structure, a connecting port 21 is formed in the side face of the sealing test piece 2, a mounting port 22 is formed in the top of the sealing test piece 2, the connecting port 21 is hermetically connected with an air delivery pipe or a water delivery pipe, and a small part to be tested is hermetically mounted on the mounting port 22; the sealing test piece 2 is close to the pressing handle 3, and the pressing handle 3 is pressed down to abut against the small part to be tested or the top of the sealing test piece 2.
The test bench 1 and the pressing handle 3 are fixed and universal parts, the sealing test piece 2 is a replaceable detachable part, and when different small parts are tested, the sealing test piece 2 corresponding to the installation structure and the size of the tested part is selected according to the tested part.
In an embodiment, the sealing test piece 2 is an integrally formed cylindrical cover structure, the bottom of the sealing test piece 2 is provided with an opening 23, the sealing test piece 2 of the whole cylindrical cover structure is reversely buckled on the test board 1, and the opening 23 at the bottom is connected with the test board 1. Furthermore, the periphery of the bottom opening 23 of the sealing test piece 2 is provided with a rubber ring 4', the sealing test piece 2 is tightly buckled on the test board 1 through the rubber ring 4', and the pressing handle 3 presses the sealing test piece 2 downwards and makes the sealing test piece and the test board 1 be tightly connected. Preferably, the rubber ring 4 is arranged at the mounting opening 22 of the sealing test piece 2, and the small component to be tested is mounted between the mounting opening 22 and the rubber ring 4 in a sealing manner.
More preferably, the sealing test piece 2 is different in size and model, and the mounting opening 22 of the sealing test piece 2 is the same as the mounting structure of the small component to be tested.
More preferably, the pressing head at the end of the pressing handle 3 falls on the small component to be tested, and the pressing head makes the small component to be tested and the mounting opening 22 and the sealing test piece 2 and the test board 1 connected in a sealing manner.
In the above embodiment, according to the installation site structure of the small-size spare part that awaits measuring, select its corresponding sealing test piece 2, and install the small-size spare part that awaits measuring on the installing port 22 of sealing test piece 2, the bottom opening 23 back-off of sealing test piece 2 is on testboard 1, it is sealed through rubber ring 4, make sealing connection between the small-size spare part that awaits measuring and the installing port 22, sealing connection between sealing installation spare and testboard 1, after the installation is accomplished simultaneously, the adjustment compresses tightly handle 3, make the terminal pressure head that pushes down the handle drop on the small-size spare part that awaits measuring, it pushes down and further compresses tightly sealedly to push down the handle, guarantee the leakproofness. After the installation is finished, the connecting port 21 is externally connected with a gas pipe or a water pipe, gas or water is injected into the cavity of the sealing test piece 2, a common gas tightness detection method can be used, whether gas or liquid leaks at the installation connecting part is tested, and whether gas or water leaks into the interior of the test piece under the condition of simulating the installation of parts is tested.
In another embodiment, the sealing test piece 2 'is only provided with a connecting port 21 on the side surface, the top part is not provided with a mounting port 22, and the small-sized component to be tested is arranged in the cavity of the sealing test piece 2'; the volume of the inner cavity of the sealed test piece 2' is larger than that of the small-sized part to be tested.
Preferably, the end of the pressing handle 3 is dropped down on top of the sealing test piece 2', which makes a tight connection between the sealing test piece 2' and the test bench 1.
In the above embodiment, the small component to be tested is directly placed in the cavity of the sealing test piece 2', and is not required to be installed, the bottom opening 23 of the sealing test piece 2' is reversely buckled on the test board 1, and is sealed by the rubber ring 4', so that the sealing test piece 2' is in sealing connection with the test board 1, and then the pressing handle is adjusted, so that the terminal pressing head of the pressing handle falls on the top of the sealing test piece 2', and the pressing handle further presses the sealing test piece 2', and the sealing performance between the sealing test piece and the test board 1 is ensured. After the installation is finished, the connecting port 21 is externally connected with a gas pipe or a water pipe, gas or water is injected into the cavity of the sealing test piece 2', and a common air tightness detection method is used for detecting whether injected gas or liquid permeates into the small part to be tested.
The utility model has the advantages of simple structure, high durability and convenient use, the key can regard as about diameter 5 centimetres or the diameter is less than 5 centimetres general gas tightness testing arrangement of subminiature spare part, its testboard and push down the handle and be fixed spare part, only need according to the spare part that is surveyed change the sealed test piece of different models can, and sealed test piece simple structure, the production of being convenient for, consequently easily use widely, present in-service use situation and test effect are good, the efficiency of software testing has greatly been improved, the test cost is reduced.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (9)
1. The utility model provides an air tightness bench testing arrangement of small-size spare part which characterized in that: the device comprises a test board, a sealing test piece and a pressing handle; the test bench is a flat plate-shaped table top, the sealing test piece is detachably and hermetically arranged on the test bench, and the pressing handle is fixedly arranged on the test bench; the sealing test piece is of a hollow structure, a connecting port is formed in the side face of the sealing test piece, an installing port is formed in the top of the sealing test piece, the connecting port is hermetically connected with a gas pipe or a water pipe, and a small part to be tested is hermetically installed on the installing port; the sealing test piece is close to the pressing handle, and the pressing handle is pressed down and abutted against the small part to be tested or the top of the sealing test piece.
2. The device for testing the airtightness of a small part according to claim 1, wherein: the sealing test piece is of an integrally formed cylindrical cover structure, and an opening is formed in the bottom of the sealing test piece.
3. The device for testing the airtightness of a small part according to claim 2, wherein: the periphery of the bottom opening of the sealing test piece is provided with a rubber ring, the sealing test piece is buckled on the test board in a sealing mode through the rubber ring, and the pressing handle presses the sealing test piece down to enable the sealing test piece to be connected with the test board in a sealing mode.
4. The device for testing the airtightness of small parts according to claim 3, wherein: the mounting hole of the sealing test piece is provided with a rubber ring, and the small part to be tested is mounted with the mounting hole in a sealing way through the rubber ring.
5. The device for testing the airtightness of a small part according to any one of claims 1 to 4, wherein: the size and the model of the sealing test piece are different, and the mounting port of the sealing test piece is the same as the mounting structure of the small part to be tested.
6. The device for testing the airtightness of a small part according to any one of claims 1 to 4, wherein: the tail end of the pressing handle is pressed down to enable the pressing head to fall on the small part to be tested, the small part to be tested is pressed down to enable the small part to be tested to be in airtight connection with the mounting port, and the sealing test piece is in airtight connection with the test board.
7. The device for testing the airtightness of a small part according to claim 3, wherein: the sealing test piece is only provided with a connecting port on the side surface, the top part is not provided with a mounting port, and the small part to be tested is arranged in the cavity of the sealing test piece.
8. The device for testing the airtightness of a small part according to claim 7, wherein: the volume of the inner cavity of the sealing test piece is larger than that of the small part to be tested.
9. The device for testing the airtightness of a small part according to claim 8, wherein: and the tail end of the pressing handle falls on the top of the sealing test piece, and the sealing test piece is hermetically connected with the test board by pressing down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222763669.9U CN218411556U (en) | 2022-10-20 | 2022-10-20 | Air tightness bench testing device for small parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222763669.9U CN218411556U (en) | 2022-10-20 | 2022-10-20 | Air tightness bench testing device for small parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218411556U true CN218411556U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222763669.9U Active CN218411556U (en) | 2022-10-20 | 2022-10-20 | Air tightness bench testing device for small parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218411556U (en) |
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2022
- 2022-10-20 CN CN202222763669.9U patent/CN218411556U/en active Active
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