Novel air transmittance tester

Abstract

The utility model provides a novel air transmittance tester, which relates to the technical field of air testing and comprises a tester body. The tester main body is internally provided with a test groove, and the top of the tester main body is provided with a top plate; two glass plates are mounted in the test groove, and an exhaust nozzle is mounted in the bottom of the test groove; a ventilation fan is installed in the top plate, and a movable insertion block is installed in the bottom of the top plate and connected with the tester body. According to the utility model, the ventilation fan conveys external air into the test groove, and then the external air is exhausted through the exhaust nozzle, so that air circulation in the test groove is accelerated, the circulating air is tested in real time through the test heads on the left and right sides of the test groove, and the accuracy of air transmittance test values is guaranteed; dust attached to the testing heads on the left side and the right side of the testing groove can be cleaned at regular intervals, and the accuracy of the air permeability testing numerical value is further guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of air testing, in particular to a novel air permeability tester. Background Art

[0002] Gas permeability tester is also called gas permeability tester, permeability tester, and gas permeability tester. Gas permeability tester is a testing instrument used to measure gas permeability, solubility coefficient, diffusion coefficient, and permeability coefficient. It is currently widely used in air testing operations.

[0003] During the use of the existing air permeability tester, the internal air circulation speed is relatively slow, and it is difficult to measure the accurate permeability value in a short time. It takes some time. After using it for a period of time, dust is easy to adhere to the test head, which is difficult to clean and will affect the accuracy of the permeability test value. Utility Model Content

[0004] The present disclosure relates to a novel air permeability tester, which solves the problem that the existing air permeability tester has a relatively slow internal air circulation speed during use, making it difficult to measure an accurate permeability value in a short time and requiring some time. Moreover, after being used for a period of time, dust is easily attached to the test head, making it difficult to clean and affecting the accuracy of the permeability test value.

[0005] In a first aspect of the present disclosure, a new air permeability tester is provided, which specifically includes: a tester body; a test slot is provided inside the tester body, and a top plate is installed on the top of the tester body; two glass plates are installed inside the test slot, and an exhaust nozzle is installed at the bottom of the test slot; a ventilation fan is installed inside the top plate, and a movable plug is installed at the bottom of the top plate, and the movable plug is connected to the tester body.

[0006] Furthermore, the glass plate is located in the test slot, the ventilation fan is located at the top of the test slot, and the ventilation fan is connected to the exhaust nozzle through the test slot. During the test, the ventilation fan transports external air into the test slot and then discharges it through the exhaust nozzle to accelerate the air circulation in the test slot.

[0007] Furthermore, guide grooves are provided on the left and right sides of the test slot, and bumps are provided on both sides of the exhaust nozzle. The bumps are inserted into the guide grooves, and both ends of the glass plate are inserted into the guide grooves, and the bottom of the glass plate contacts the top of the exhaust nozzle.

[0008] Furthermore, a T-shaped slot is provided on the top of the tester body, and a T-shaped bar is provided on the bottom of the top plate. The T-shaped bar is inserted into the T-shaped slot, and the top of the glass plate is in contact with the bottom side of the top plate. The glass plate and the exhaust nozzle are installed in the test slot by sliding insertion, and the top plate is connected to the top of the tester body by sliding insertion.

[0009] Furthermore, a vertical hole is provided at the bottom of the top plate, a positioning slot is provided on the right side of the tester body, and the bottom of the vertical hole is connected to the positioning slot.

[0010] Furthermore, the movable plug block is slidably connected to the vertical hole provided on the top plate, the bottom of the movable plug block is slidably inserted into the positioning slot provided on the tester body, a movable hole is provided on the left side of the top plate, the movable hole is connected to the vertical hole, and a push handle is provided on the outside of the movable plug block, which is slidably connected to the vertical hole.

[0011] Furthermore, a spring is installed in the vertical hole provided in the top plate, the top of the spring contacts the inner end of the vertical hole, and the bottom of the spring contacts the top of the movable plug block. When the top plate is connected to the top of the tester body, the movable plug block is inserted into the positioning slot under the influence of the spring thrust, and the movable plug block has the effect of limiting and fixing the top plate.

[0012] The utility model provides a novel air permeability tester, which has the following beneficial effects:

[0013] During the test process of the utility model, the ventilation fan conveys external air into the test slot and then discharges it through the exhaust nozzle, thereby accelerating the air circulation in the test slot, and the circulating air is tested in real time through the test heads on the left and right sides of the test slot, thereby ensuring the accuracy of the air permeability test value; the glass plate and the exhaust nozzle are installed in the test slot by means of sliding plug-in, and the top plate is connected to the top of the tester body by means of sliding plug-in, the top plate fixes the glass plate, and the glass plate fixes the exhaust nozzle, thereby making the assembly between the tester body and the top plate, the glass plate and the exhaust nozzle easier.

[0014] In addition, when the top plate is connected to the top of the tester body, the movable plug block is inserted into the positioning slot under the influence of the spring thrust, and the movable plug block plays a role in limiting and fixing the top plate. When it is necessary to regularly clean the test heads on the left and right sides of the test slot, the push handle is moved upward, and the push handle drives the movable plug block to move upward, so that the bottom end of the movable plug block is separated from the positioning slot, and the top plate can be moved outward to separate the top plate from the top of the tester body, and then the glass plate and the exhaust nozzle are taken out from the inside of the test slot, so as to clean the dust attached to the test heads on the left and right sides of the test slot, thereby ensuring the accuracy of the air permeability test value.

[0015] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0017] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0018] In the attached picture:

[0019] Figure 1 The overall axial side structure schematic diagram of the present application is shown;

[0020] Figure 2 A schematic diagram of the disassembled structure of the tester body, top plate, glass plate and exhaust nozzle of the present application is shown;

[0021] Figure 3 The schematic diagram of the main shaft side structure of the tester of the present application is shown;

[0022] Figure 4 A schematic diagram of the top plate bottom axis side structure of the present application is shown;

[0023] Figure 5 A schematic diagram of the split structure of the top plate and the movable plug block of the present application is shown.

[0024] Reference numerals list

[0025] 1. Tester body; 101. Test slot; 1011. Guide slot; 102. T-slot; 103. Positioning slot; 2. Top plate; 201. T-bar; 202. Vertical hole; 203. Movable hole; 3. Ventilation fan; 4. Glass plate; 5. Exhaust nozzle; 501. Bump; 6. Movable plug-in block; 601. Push handle; 7. Spring. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1: Please refer to Figures 1 to 5 :

[0028] The utility model proposes a novel air permeability tester, comprising: a tester body 1; a test slot 101 is arranged inside the tester body 1, and a top plate 2 is installed on the top of the tester body 1; two glass plates 4 are installed inside the test slot 101, and an exhaust nozzle 5 is installed at the bottom of the test slot 101; a ventilation fan 3 is installed inside the top plate 2, and a movable plug block 6 is installed at the bottom of the top plate 2, and the movable plug block 6 is connected to the tester body 1; the glass plate 4 is located in the test slot 101, and the ventilation fan 3 is located at the top of the test slot 101, and the ventilation fan 3 is connected with the exhaust nozzle 5 through the test slot 101. During the test, the ventilation fan 3 transports external air into the test slot 101, and then discharges it through the exhaust nozzle 5, so as to accelerate the air circulation in the test slot 101, and the circulating air is tested in real time through the test heads on the left and right sides of the test slot 101, so as to ensure the accuracy of the air permeability test value.

[0029] In the disclosed embodiment, guide grooves 1011 are provided on the left and right sides of the test slot 101, and protrusions 501 are provided on both sides of the exhaust nozzle 5, the protrusions 501 are inserted into the guide grooves 1011, and the two ends of the glass plate 4 are inserted into the guide grooves 1011, the bottom of the glass plate 4 is in contact with the top of the exhaust nozzle 5, a T-shaped groove 102 is provided on the top of the tester main body 1, and a T-shaped bar 201 is provided on the bottom of the top plate 2, the T-shaped bar 201 is inserted into the T-shaped groove 102, and the top of the glass plate 4 is in contact with the bottom side of the top plate 2; by adopting the above technical scheme, the glass plate 4 and the exhaust nozzle 5 are installed in the test slot 101 by sliding plug-in, and the top plate 2 is connected to the top of the tester main body 1 by sliding plug-in, the top plate 2 fixes the glass plate 4, and the glass plate 4 fixes the exhaust nozzle 5, so that the assembly between the tester main body 1 and the top plate 2, and the glass plate 4 and the exhaust nozzle 5 is easier.

[0030] Embodiment 2, on the basis of embodiment 1, a vertical hole 202 is provided at the bottom of the top plate 2, a positioning slot 103 is provided on the right side of the tester body 1, the bottom of the vertical hole 202 is connected with the positioning slot 103, the movable plug block 6 is slidably connected in the vertical hole 202 provided on the top plate 2, the bottom of the movable plug block 6 is slidably plugged into the positioning slot 103 provided on the tester body 1, a movable hole 203 is provided on the left side of the top plate 2, the movable hole 203 is connected with the vertical hole 202, a push handle 601 is provided on the outside of the movable plug block 6, the push handle 601 is slidably connected in the vertical hole 202, a spring 7 is installed in the vertical hole 202 provided on the top plate 2, the top of the spring 7 is in contact with the inner end of the vertical hole 202, and the bottom of the spring 7 is in contact with the top of the movable plug block 6; By adopting the above technical solution, when the top plate 2 is connected to the top of the tester body 1, the movable plug block 6 is inserted into the positioning slot 103 under the thrust of the spring 7, and the top plate 2 is limited and fixed by the movable plug block 6. When it is necessary to regularly clean the test heads on the left and right sides of the test slot 101, the push handle 601 is moved upward, and the push handle 601 drives the movable plug block 6 to move upward, so that the bottom end of the movable plug block 6 is separated from the positioning slot 103, and the top plate 2 can be moved outward to separate the top plate 2 from the top of the tester body 1, and then the glass plate 4 and the exhaust nozzle 5 are taken out from the inside of the test slot 101, so as to clean the dust attached to the test heads on the left and right sides of the test slot 101, so as to ensure the accuracy of the air permeability test value.

[0031] The working principle of this embodiment is as follows: first, the glass plate 4 and the exhaust nozzle 5 are installed in the test slot 101 by sliding and plugging, and the top plate 2 is connected to the top of the tester body 1 by sliding and plugging; the movable plug block 6 is plugged into the positioning slot 103 under the thrust of the spring 7, and the movable plug block 6 plays a role in limiting and fixing the top plate 2; the ventilation fan 3 transports the outside air into the test slot 101, and then discharges it through the exhaust nozzle 5, so as to accelerate the air circulation in the test slot 101, and the circulating air is tested in real time through the test heads on the left and right sides of the test slot 101; when it is necessary to regularly clean the test heads on the left and right sides of the test slot 101, the push handle 601 is moved upward, and the push handle 601 drives the movable plug block 6 to move upward, so that the bottom end of the movable plug block 6 is separated from the positioning slot 103, and the top plate 2 can be moved outward to separate the top plate 2 from the top of the tester body 1, and then the glass plate 4 and the exhaust nozzle 5 are taken out from the inside of the test slot 101, and the dust attached to the test heads on the left and right sides of the test slot 101 can be cleaned.

[0032] In this article, there are a few points to note:

[0033] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0034] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0035] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A new type of air permeability tester, comprising: A tester body (1); characterized in that a test slot (101) is provided inside the tester body (1), and a top plate (2) is installed on the top of the tester body (1); two glass plates (4) are installed inside the test slot (101), and an exhaust nozzle (5) is installed at the bottom of the test slot (101); a ventilation fan (3) is installed inside the top plate (2), and a movable plug (6) is installed at the bottom of the top plate (2), and the movable plug (6) is connected to the tester body (1).

2. A novel air permeability tester according to claim 1, characterized in that: The glass plate (4) is located in the test slot (101), the ventilation fan (3) is located at the top of the test slot (101), and the ventilation fan (3) is connected to the exhaust nozzle (5) through the test slot (101).

3. A novel air permeability tester according to claim 2, characterized in that: The test slot (101) is provided with guide grooves (1011) on the left and right sides, and the exhaust nozzle (5) is provided with protrusions (501) on both sides. The protrusions (501) are inserted into the guide grooves (1011), and the two ends of the glass plate (4) are inserted into the guide grooves (1011), and the bottom of the glass plate (4) is in contact with the top of the exhaust nozzle (5).

4. A novel air permeability tester according to claim 1, characterized in that: The top of the tester body (1) is provided with a T-shaped groove (102), the bottom of the top plate (2) is provided with a T-shaped bar (201), the T-shaped bar (201) is inserted into the T-shaped groove (102), and the top of the glass plate (4) is in contact with the bottom side of the top plate (2).

5. The novel air permeability tester according to claim 1 is characterized in that: The bottom of the top plate (2) is provided with a vertical hole (202), the right side of the tester body (1) is provided with a positioning slot (103), and the bottom of the vertical hole (202) is connected to the positioning slot (103).

6. A novel air permeability tester according to claim 5, characterized in that: The movable plug block (6) is slidably connected to a vertical hole (202) provided on the top plate (2); the bottom of the movable plug block (6) is slidably plugged into a positioning slot (103) provided on the tester body (1); a movable hole (203) is provided on the left side of the top plate (2); the movable hole (203) is communicated with the vertical hole (202); a push handle (601) is provided on the outside of the movable plug block (6); and the push handle (601) is slidably connected to the vertical hole (202).

7. The novel air permeability tester according to claim 5, characterized in that: A spring (7) is installed in the vertical hole (202) provided in the top plate (2), the top of the spring (7) contacts the inner end of the vertical hole (202), and the bottom of the spring (7) contacts the top of the movable plug (6).

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