CN218272062U - Gas protection cover and dropping point softening point instrument - Google Patents
Gas protection cover and dropping point softening point instrument Download PDFInfo
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- CN218272062U CN218272062U CN202222285300.1U CN202222285300U CN218272062U CN 218272062 U CN218272062 U CN 218272062U CN 202222285300 U CN202222285300 U CN 202222285300U CN 218272062 U CN218272062 U CN 218272062U
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Abstract
The utility model relates to a gas protection cover and a dropping point softening point instrument, wherein the gas protection cover comprises a main body cover body and a touch area cover body, and the main body cover body and the touch area cover body form an equipment cavity; the top of the main body cover body is provided with a top cover, the bottom of the main body cover body is provided with an air inlet hole, the air inlet hole is connected with an air inlet pipe, the top of the main body cover body is connected with an air outlet hole, and the air outlet hole is connected with an air outlet pipe; the top of the touch area cover body is provided with an inclined top plate, an operation window is arranged on the top plate, and a transparent film is arranged in the operation window. Dropping point softening point appearance, including equipment body and touch-control district, the top in touch-control district is provided with operating panel, and the equipment body is located the main part and covers internally, and the touch-control district is located the touch-control district and covers the operating panel in touch-control district, and the transparent film covers the touch-control district. The utility model discloses with the whole setting of dropping point softening point appearance DP70 in gaseous safety cover, gaseous safety cover has the confined space, satisfies the inert gas atmosphere, prevents that the sample from oxidizing in the testing process, guarantees the accuracy of test.
Description
Technical Field
The utility model belongs to softening point test equipment field, especially a gaseous safety cover and dropping point softening point appearance.
Background
The drop point softening point instrument DP70 is used for measuring the drop point and the softening point of a material, and as protective gas is needed to be used as a necessary test condition in the process of testing the softening point of part of materials, particularly for testing the softening point of asphalt, a sample is easy to be oxidized when the testing temperature is high, so that the deviation of a test result is large, and a manufacturer of the drop point softening point instrument DP70 is not provided with related test requirements and accessories, so that the atmosphere requirements for testing part of materials cannot be met. In order to maintain the stability of the tested material, reduce the process conditions of material preparation to a higher degree, reduce the adverse effects of sample oxidation and the like caused by air contained in the testing environment and avoid the adverse effects of testing deviation on material preparation process adjustment, a gas protection cover is designed for DP70 testing equipment and serves as one of the components of the testing system.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a gaseous safety cover and dropping point softening point appearance are provided, make test environment satisfy the requirement of test atmosphere.
In order to solve the above problem, the utility model adopts the technical scheme that: the gas protection cover comprises a main body cover body and a touch area cover body, and the main body cover body and the touch area cover body form an equipment cavity in an enclosing mode; the top of the main body cover body is provided with an openable top cover, the bottom of the main body cover body is provided with an air inlet hole, the air inlet hole is connected with an air inlet pipe, the top of the main body cover body is connected with an air outlet hole, and the air outlet hole is connected with an air outlet pipe; the top of the touch area cover body is provided with an inclined top plate, an operation window is arranged on the top plate, and a transparent film is arranged in the operation window.
Further, the transparent film is a rubber film.
Further, a float flowmeter is arranged on the air inlet pipe.
Furthermore, a valve is arranged on the air outlet pipe.
Further, a sealing gasket is arranged between the top cover and the main body cover body.
Furthermore, the main body cover body and the touch area cover body are transparent covers.
Furthermore, the main body cover body and the touch area cover body are both plastic covers.
Dropping point softening point appearance, including equipment body and touch-control district, the top in touch-control district is provided with operating panel, still includes above-mentioned gas protection cover, the equipment body is located the main part cover internally, the touch-control district is located the touch-control district and covers the internal, just the transparent film covers the operating panel in touch-control district.
The utility model has the advantages that: utilize the main part cover body and the touch-control district cover body to cover whole dropping point softening point appearance DP70, the main part cover body and the touch-control district cover internal formation confined space, isolated outside air, during the test, close the top cap, let in the equipment chamber with inert gas through the intake pipe, air in the equipment chamber is discharged from the outlet duct, after lasting a period, can detect out the oxygen content in the trachea combustion gas, when the oxygen content satisfied technological requirement, can test. The utility model discloses can make whole dropping point softening point appearance DP70 be in the inert gas atmosphere, the sample can not be by oxygen oxidation during the test to guarantee the accuracy of test.
Drawings
FIG. 1 is a schematic view of a gas shield of the present invention;
FIG. 2 is a schematic sectional view of the dropping point softening point meter of the present invention;
reference numerals: 1-main body cover body; 2-a touch area cover body; 3-top cover; 4-air inlet hole; 5, an air inlet pipe; 6-air outlet holes; 7-air outlet pipe; 8-a top plate; 9-operating window; 10-float flowmeter; 11-a valve; 12-a gasket; 100-equipment body; 110-touch area; 111 — operation panel.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The utility model discloses a dropping point softening point appearance, as shown in fig. 2, including equipment body 100, touch-control district 110 and gaseous safety cover, equipment body 100 is current dropping point softening point appearance DP70, and the top in this dropping point softening point appearance DP 70's touch-control district 110 is provided with operating panel 111, and operating panel 111 can operate the instrument.
As shown in fig. 1, the gas protection cover includes a main body cover 1 and a touch area cover 2, and the main body cover 1 and the touch area cover 2 enclose an equipment cavity; the top of the main body cover body 1 is provided with an openable top cover 3, the bottom of the main body cover body 1 is provided with an air inlet 4, the air inlet 4 is connected with an air inlet pipe 5, the top of the main body cover body 1 is connected with an air outlet 6, and the air outlet 6 is connected with an air outlet pipe 7; the top of the touch area cover body 2 is provided with an inclined top plate 8, an operation window 9 is arranged on the top plate 8, and a transparent film is arranged in the operation window 9.
The shape of an equipment cavity defined by the main body cover body 1 and the touch area cover body 2 is the same as the shape of the drop point softening point instrument DP70, but the size of the equipment cavity is larger than the size of the drop point softening point instrument DP70, the drop point softening point instrument DP70 is located in the equipment cavity, specifically, the equipment body 100 is located in the main body cover body 1, and the touch area 110 is located in the touch area cover body 2. The top cover 3 can be opened and closed so as to put a sample to be tested into the dropping point softening point instrument DP70, and after the test is finished, the top cover 3 can be opened and the sample can be taken out. The operation window 9 is used for a tester to operate the dropping point softening point meter DP70 outside the gas protection cover, and a transparent film is arranged in the operation window 9 and covers the operation panel 111 of the touch area 110. The transparent film is a flexible film, specifically can be a rubber film with a certain thickness, and can bear the high temperature in the test process. The edge of the transparent film can be fixed on the outer wall of the top plate 8 through a pressing strip, and the middle part of the transparent film is sunken downwards and contacts with the operation panel 111 in a natural state. The transparent film can seal the operation window 9 to prevent the operation window 9 from leaking air, and can also be in contact with the operation panel 111, so that a tester can operate the operation panel 111 through the flexible film to complete the test. The equipment body 100 is located at the lower part of the main body cover body 1, a certain distance is reserved between the upper end and the side wall of the equipment body 100 and the main body cover body 1, the top of the touch area 110 is a certain distance away from the top plate 8 of the touch area cover body 2, after the whole gas protection cover is manufactured, the top cover 3 can be opened, the drop point softening point instrument DP70 is obliquely placed into the main body cover body 1, the drop point softening point instrument DP70 is rotated after the lower end of the touch area 110 reaches the touch area cover body 2, and then the touch area 110 can enter the touch area cover body 2.
The air outlet pipe 7 is used for exhausting air in the air protection cover, the air inlet pipe 5 is used for introducing inert gas into the air protection cover, the air inlet pipe 5 is located at the bottom of the main body cover body 1, and the air outlet pipe 7 is located at the top of the main body cover body 1. During testing, inert gas is introduced into the gas protection cover through the gas inlet pipe 5, and air in the gas protection cover is discharged from the gas outlet pipe 7 under the extrusion of the inert gas. In order to ensure that the oxygen content of the gas in the gas protection cover meets the test requirements, the oxygen content of the gas discharged from the gas pipe 7 can be detected, and the test is carried out after the oxygen content meets the requirements.
To facilitate control of the intake air amount, the intake pipe 5 is provided with a float flow meter 10. After the gas protection cover is filled with inert gas, in order to avoid the inert gas from being discharged from the gas outlet pipe 7, the gas outlet pipe 7 is provided with a valve 11, and after the gas atmosphere in the gas protection cover meets the test requirement, the valve 11 can be closed.
In order to improve the sealing performance of the top cover 3, a gasket 12 is provided between the top cover 3 and the main body cover 1. One end of the top cover 3 is hinged with the main body cover body 1, and the other end of the top cover is detachably connected with the main body cover body 1 through a lock catch, a bolt and the like. After the top cover 3 is closed, the sealing gasket 12 can be pressed to prevent air leakage.
The main part cover body 1 and the touch control area cover body 2 can be made of metal materials, are preferred, and in order to facilitate observation of the operation condition of equipment, the main part cover body 1 and the touch control area cover body 2 are transparent covers, and can be plastic covers specifically.
In order to facilitate the connection of the power plug of the drop point softening point instrument DP70 with a power supply, a socket can be arranged in the main body cover body 1, a wire hole is formed in the side wall of the main body cover body 1, a wire penetrates through the wire hole, one end of the wire is connected with the socket, the other end of the wire is connected with an external power supply, the power plug of the drop point softening point instrument DP70 is connected with the socket in an inserted mode, and the power supply of the drop point softening point instrument DP70 can be achieved. In order to improve the sealing performance of the wire guide hole, the wire can be sealed by using a sealant after being threaded.
The utility model discloses a use does: opening the top cover 3, putting a sample into a dropping point softening point instrument DP70, closing the top cover 3, opening the valve 11, introducing inert gas into the gas protection cover from the gas inlet pipe 5, discharging air in the gas protection cover through the gas outlet pipe 7, detecting the gas oxygen content of the gas pipe 7 after a period of time, closing the valve 11 if the oxygen content meets the requirement, continuing to introduce gas into the gas inlet pipe 5 until the middle part of the transparent film slightly bulges upwards, stopping introducing gas, observing the transparent film, if the transparent film is kept in a slightly bulged state, indicating that the gas protection cover does not leak gas, and starting to test; if the middle part of transparent film gradually moves downwards, then there is the position of gas leakage in the gaseous safety cover of surface, can overhaul the gaseous safety cover this moment, also can ventilate through intake pipe 5 once more, makes the pressure in the gaseous safety cover be a little higher than outside pressure. Then, the test can be performed, and in the test, the transparent film is pressed to contact the operation panel 111, and the operation panel 111 is operated to complete the test. After the test is completed, the top cover 3 is opened and the sample is taken out.
The utility model discloses a with the whole setting of dropping point softening point appearance DP70 in gaseous safety cover, gaseous safety cover has the confined space, can satisfy the inert gas atmosphere, prevents that the sample from oxidizing in the testing process, guarantees the accuracy of test.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Gas protection cover, its characterized in that: the touch screen comprises a main body cover body (1) and a touch area cover body (2), wherein the main body cover body (1) and the touch area cover body (2) enclose an equipment cavity; the top of the main body cover body (1) is provided with an openable top cover (3), the bottom of the main body cover body (1) is provided with an air inlet hole (4), the air inlet hole (4) is connected with an air inlet pipe (5), the top of the main body cover body (1) is connected with an air outlet hole (6), and the air outlet hole (6) is connected with an air outlet pipe (7); the top of the touch area cover body (2) is provided with an inclined top plate (8), an operation window (9) is arranged on the top plate (8), and a transparent film is arranged in the operation window (9).
2. The gas shield of claim 1 wherein: the transparent film is a rubber film.
3. The gas shield of claim 1 wherein: and a float flowmeter (10) is arranged on the air inlet pipe (5).
4. The gas shield of claim 1 wherein: and a valve (11) is arranged on the air outlet pipe (7).
5. The gas shield of claim 1 wherein: a sealing gasket (12) is arranged between the top cover (3) and the main body cover body (1).
6. The gas shield of claim 1 wherein: the main body cover body (1) and the touch area cover body (2) are transparent covers.
7. The gas shield of claim 6 wherein: the main body cover body (1) and the touch area cover body (2) are both plastic covers.
8. Dropping point softening point appearance, including equipment body (100) and touch-control district (110), the top of touch-control district (110) is provided with operating panel (111), its characterized in that: further comprising the gas protection cover according to any one of claims 1 to 7, the apparatus body (100) being located within a main body housing (1), the touch area (110) being located within a touch area housing (2), and the transparent film covering the operation panel (111) of the touch area (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222285300.1U CN218272062U (en) | 2022-08-29 | 2022-08-29 | Gas protection cover and dropping point softening point instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222285300.1U CN218272062U (en) | 2022-08-29 | 2022-08-29 | Gas protection cover and dropping point softening point instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218272062U true CN218272062U (en) | 2023-01-10 |
Family
ID=84708681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222285300.1U Active CN218272062U (en) | 2022-08-29 | 2022-08-29 | Gas protection cover and dropping point softening point instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218272062U (en) |
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2022
- 2022-08-29 CN CN202222285300.1U patent/CN218272062U/en active Active
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