CN219641180U - Checking device of building door and window air tightness detection device - Google Patents
Checking device of building door and window air tightness detection device Download PDFInfo
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- CN219641180U CN219641180U CN202321023760.5U CN202321023760U CN219641180U CN 219641180 U CN219641180 U CN 219641180U CN 202321023760 U CN202321023760 U CN 202321023760U CN 219641180 U CN219641180 U CN 219641180U
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- sucker
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000012795 verification Methods 0.000 claims abstract description 10
- 238000009423 ventilation Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model provides a checking device of a building door and window air tightness detection device, which comprises a standard test piece, wherein the standard test piece is a rectangular thin plate, a plurality of air holes are formed in the standard test piece in a rectangular array, the checking device also comprises a sucker for plugging the air holes, the diameter of the sucker is smaller than the center distance between any two adjacent air holes, a flexible sealing ring is arranged on the sucker surface of the sucker, the sealing ring and the outer edge of the sucker surface jointly enclose a negative pressure cavity for adsorbing the standard test piece, the sealing ring and the center of the sucker surface enclose a containing cavity, the containing cavity is communicated with the air holes, and the sucker is detachably connected with the standard test piece through the negative pressure cavity. According to the verification device for the building door and window air tightness detection device, the novel sucker is used for blocking the air holes of the standard test piece, the air holes are blocked more tightly, and can be found when air leaks, so that the air holes are blocked again, and the verification accuracy of the building door and window air tightness detection device is improved.
Description
Technical Field
The utility model belongs to the technical field of air tightness experiment devices, and particularly relates to a checking device of a building door and window air tightness detection device.
Background
Before the outer door and the outer window of a building are installed in a factory, the corresponding factory inspection is needed, the air tightness, the water tightness and the wind pressure resistance of the door and the window are detected by using the corresponding detection device, the detection device is required to be checked before the air tightness detection device is used for detecting the air tightness of the door and the window according to the related standard requirements, the standard test piece used for checking is a rectangular stainless steel plate, a rectangular array of the steel plate is provided with a plurality of vent holes with equal aperture, a certain number of vent holes are plugged through the vent holes, a certain wind pressure is introduced by using the air tightness detection device, the air permeability after plugging the vent holes is detected, and whether the air tightness detection device meets the detection requirements is checked by whether the air permeability is linearly consistent with the plugging number of the vent holes or not.
The method for plugging the standard test piece air holes is to plug by using the adhesive tape, however, when the adhesive tape is used for plugging and checking, the adhesive tape is easily damaged due to the influence of wind pressure, so that the air holes leak air, and the air holes cannot be easily found after the air leaks air, and the checking result is influenced.
Disclosure of Invention
The utility model aims to provide a checking device of a building door and window air tightness detection device, which solves the technical problem that in the existing building door and window air tightness detection device, the standard test piece is not tight in air hole blocking, so that the checking is inaccurate.
The verification device of the building door and window air tightness detection device comprises a standard test piece, wherein the standard test piece is a rectangular thin plate, and a plurality of air holes are formed in the standard test piece in a rectangular array;
the suction disc surface of the suction disc is provided with a flexible sealing ring, the outer edges of the suction disc surface are jointly enclosed to form a negative pressure cavity for adsorbing the standard test piece, the sealing ring and the center of the suction disc surface are enclosed to form an accommodating cavity, the accommodating cavity is communicated with the air holes, and the suction disc is detachably connected with the standard test piece through the negative pressure cavity.
The accommodating cavity is internally provided with a boss, one side of the boss is connected with the sucker surface, and the other side of the boss is in sealing abutting joint with the peripheral side of the air hole.
The other side of the boss is provided with a positioning column which can pass through the air holes.
The top of sucking disc is provided with the exhaust chamber, the exhaust chamber pass through the exhaust passage with negative pressure chamber intercommunication.
The boss and the positioning column are cylindrical, the diameter of the boss is larger than that of the air vent, and the diameter of the positioning column is smaller than that of the air vent.
The positioning column protrudes out of the sucker surface of the sucker.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The suction disc surface of the suction disc is provided with the sealing ring, the standard test piece is adsorbed and fixed through the negative pressure cavity formed by the outer edge of the suction disc surface and the sealing ring, the suction disc surface is provided with the boss, the air holes are blocked through the abutting joint of the boss, the air can pass through the boss firstly and then pass through the negative pressure cavity, the air holes are blocked by two layers, the blocking is tighter, and the inaccuracy in verification caused by the fact that the air holes are not tightly sealed is avoided;
(2) By arranging the exhaust cavity communicated with the negative pressure cavity, air in the negative pressure cavity is exhausted, the connection between the sucker and the standard test piece is firmer, and meanwhile, when the air holes leak air, the exhaust cavity is enlarged, air leakage can be timely found out, the air holes can be plugged again, and inaccurate verification caused by the fact that the air holes leak air is not found out is avoided;
(3) The boss is provided with the reference column, inserts the bleeder vent through reference column guide sucking disc, then extrudees the sucking disc and fixes with standard test piece, and the fixed convenient and fast of sucking disc and standard test piece.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Fig. 2 is a cross-sectional view of the present utility model.
FIG. 3 is a schematic diagram of the combination of the suction cup of the present utility model with a standard test piece.
Fig. 4 is an enlarged view of a portion a of fig. 3 in accordance with the present utility model.
FIG. 5 is a schematic diagram of the structure of the checking device of the present utility model.
FIG. 6 is a schematic structural view of a standard test piece of the present utility model.
Wherein, in the figure: 1. a suction disc surface; 2. a seal ring; 3. a boss; 4. positioning columns; 5. an exhaust chamber; 6. an exhaust passage; 7. a standard test piece; 8. ventilation holes; 9. a blower; 10. an air flow measuring device.
Detailed Description
In order to more clearly describe the technical characteristics of the present solution, the present solution is described below by means of specific embodiments.
Referring to fig. 1-6, a verification device of a building door and window air tightness detection device comprises a standard test piece 7, wherein the standard test piece 7 is a rectangular thin plate, a plurality of air holes 8 are formed in the standard test piece 7 in a rectangular array, the verification device also comprises a sucker 1 for plugging the air holes 8, and the diameter of the sucker 1 is smaller than the center distance between any two adjacent air holes 8;
the standard test piece 7 is a stainless steel plate with the length and width of 500mm and the thickness of 3mm respectively, the diameter of the air holes 8 is 20mm, the center distance of the air holes 8 is 100mm, the air holes 8 are 4 rows and 4 columns, and the total number is 16;
the suction disc surface of the suction disc 1 is provided with a flexible sealing ring 2, the outer edges of the sealing ring 2 and the suction disc surface jointly enclose a negative pressure cavity for adsorbing a standard test piece 7, the sealing ring 2 and the center of the suction disc surface enclose a containing cavity, the containing cavity is communicated with an air hole 8, and the suction disc 1 is detachably connected with the standard test piece 7 through the negative pressure cavity.
The accommodating cavity is internally provided with a boss 3, the boss 3 is made of flexible rubber, one side of the boss 3 is connected with a sucker surface, and when the sucker surface of the sucker 1 is connected with the standard test piece 7, the other side of the boss 3 is in sealing butt with the peripheral side of the air hole 8.
The other side of the boss 3 is provided with a positioning column 4 which can pass through the ventilation holes 8.
The top of the sucker 1 is provided with an exhaust cavity 5, and the exhaust cavity 5 is communicated with the negative pressure cavity through an exhaust channel 6.
The boss 3 and the positioning column 4 are cylindrical, the diameter of the boss 3 is larger than that of the ventilation hole 8, and the diameter of the positioning column 4 is smaller than that of the ventilation hole 8.
The positioning column 4 protrudes from the suction disc surface of the suction disc 1.
The specific working process of the utility model comprises the following steps:
checking principle of door and window air tightness detection device: one side of the standard test piece 7 is communicated with a fan 9, the other side of the standard test piece 7 is provided with a discharge pipe, the discharge pipe is provided with an air flow measuring device 10, air holes 8 with different numbers are opened firstly, air is blown into one side of the standard test piece 7 through the fan 9, then the air flow measuring device 10 measures the air permeation flow passing through the other side of the standard test piece 7, and whether the number of the opened air holes 8 is in linear consistency with the air permeation flow or not is compared, so that whether the air tightness detecting device meets detection requirements is checked.
When the device is used, the standard test piece 7 is firstly arranged on the mounting frame of the door and window air tightness detection device, and the standard test piece 7 is tightly sealed by sealant after being mechanically connected;
all 16 ventilation holes 8 on the standard test piece 7 are blocked by using the suction cup 1, and the specific using method of the suction cup 1 is as follows:
firstly, a positioning column 4 of a sucker is inserted into an air hole 8, a finger presses an exhaust cavity 5, and air in the exhaust cavity 5 is exhausted through an exhaust channel 6;
while holding the exhaust cavity 5, pressing the suction cup 1 towards the direction of the air holes 8, discharging air in the negative pressure cavity of the suction cup 1, and sucking the suction cup 1 on the standard test piece 7;
because the diameter of the boss 3 is larger than that of the air hole 8, the boss 3 of the sucker is in sealing contact with the standard test piece 7 at the edge of the air hole 8, and the air hole 8 is blocked by the boss 3 of the sucker.
After the ventilation holes 8 on the standard test piece 7 are completely plugged, air is blown into the air tightness detection device through the fan 9, and the air flow passing through the air tightness detection device at the moment is detected through the air flow measurement device 10;
sequentially opening the air holes 8, and monitoring corresponding air permeation flow through the air flow measuring device 10 after opening the corresponding number of the air holes 8 each time according to the sequence of opening the air holes 8, wherein the number of the air holes 8 is 1, 2, 4, 8 and 16;
and comparing whether the corresponding relation between the number of the ventilation holes 8 with different numbers and the air permeation flow is in a linear consistent relation or not, so as to check whether the air tightness detection device meets the requirement of air tightness detection or not.
The vent holes 8 are plugged through the sucking disc, so that the defect that the vent holes 8 are plugged through the traditional sealing adhesive tape is avoided, gas on one side of the vent holes 8 can pass through the boss 3 before passing through the negative pressure cavity, and the vent holes 8 are plugged through two layers of sealing, so that the plugging is tighter;
when the air holes 8 leak air, the air exhaust cavity 5 is enlarged, air leakage can be timely found out and the air holes can be plugged again, when the air holes 8 leak air seriously, the sucker 1 can fall off the standard test piece 7, the air holes 8 are plugged again timely at the moment, and then the verification operation is continued, so that inaccurate verification caused by the fact that the air holes 8 leak air is not found out is avoided;
the reference column 4 on the sucking disc 1 protrudes in the sucking disc face, through inserting the reference column 4 of sucking disc into bleeder vent 8, guide sucking disc 1 is connected with bleeder vent 8, extrudes sucking disc 1 and standard test piece 7 and fixes, seals for using the sticky tape, and sucking disc 1 and standard test piece 7's fixed convenient and fast more.
The technical features of the present utility model that are not described in the present utility model may be implemented by or using the prior art, and are not described in detail herein, but the above description is not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be within the scope of the present utility model by those skilled in the art.
Claims (6)
1. The verification device of the building door and window air tightness detection device comprises a standard test piece (7), wherein the standard test piece (7) is a rectangular thin plate, and a plurality of ventilation holes (8) are formed in the standard test piece (7) in a rectangular array;
the flexible sealing ring (2) is arranged on the suction disc surface of the suction disc (1), the sealing ring (2) and the outer edge of the suction disc surface are jointly enclosed to form a negative pressure cavity for adsorbing the standard test piece (7), the sealing ring (2) and the center of the suction disc surface are enclosed to form an accommodating cavity, the accommodating cavity is communicated with the air holes (8), and the suction disc (1) is detachably connected with the standard test piece (7) through the negative pressure cavity.
2. The checking device of the building door and window air tightness detection device according to claim 1, wherein a boss (3) is arranged in the accommodating cavity, one side of the boss (3) is connected with the sucker surface, and the other side of the boss (3) is in sealing abutting joint with the peripheral side of the air hole (8).
3. The checking device of the air tightness detection device for building doors and windows according to claim 2, wherein a positioning column (4) capable of passing through the ventilation holes (8) is arranged on the other side of the boss (3).
4. The checking device of the building door and window air tightness detection device according to claim 1, wherein an exhaust cavity (5) is arranged at the top of the sucker (1), and the exhaust cavity (5) is communicated with the negative pressure cavity through an exhaust channel (6).
5. The checking device of the air tightness detection device for the building doors and windows according to claim 3, wherein the boss (3) and the positioning column (4) are cylindrical, the diameter of the boss (3) is larger than that of the ventilation hole (8), and the diameter of the positioning column (4) is smaller than that of the ventilation hole (8).
6. The checking device of the air tightness detection device for building doors and windows according to claim 5, wherein the positioning column (4) protrudes from the sucker surface of the sucker (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321023760.5U CN219641180U (en) | 2023-05-04 | 2023-05-04 | Checking device of building door and window air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321023760.5U CN219641180U (en) | 2023-05-04 | 2023-05-04 | Checking device of building door and window air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219641180U true CN219641180U (en) | 2023-09-05 |
Family
ID=87808253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321023760.5U Active CN219641180U (en) | 2023-05-04 | 2023-05-04 | Checking device of building door and window air tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219641180U (en) |
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2023
- 2023-05-04 CN CN202321023760.5U patent/CN219641180U/en active Active
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