CN212693171U - Air tightness detection device - Google Patents
Air tightness detection device Download PDFInfo
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- CN212693171U CN212693171U CN202021399482.XU CN202021399482U CN212693171U CN 212693171 U CN212693171 U CN 212693171U CN 202021399482 U CN202021399482 U CN 202021399482U CN 212693171 U CN212693171 U CN 212693171U
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Abstract
The utility model discloses an air tightness detection device, it includes conversion gland etc, the top of conversion gland and anchor clamps body closely cooperates, the anchor clamps base is located anchor clamps body bottom, the tooth is on the surface of conversion gland, first recess is located the top of conversion gland, first sealing washer and first recess gomphosis, the second recess is located the top of anchor clamps body, first sealing washer and second recess gomphosis, the air vent is located the centre of anchor clamps body, the side air vent is located the bottom of anchor clamps body, the tooth is located the side air vent inboard in the air vent, anchor clamps body thread is located the lateral surface of anchor clamps body, the one end and the anchor clamps body coupling of air cock, the air cock thread is located one of air cock and with the air vent in tooth threaded connection. The utility model discloses can judge the gas tightness of flange fast, improve detection efficiency greatly, satisfy and examine the requirement entirely, and simple structure, it is with low costs.
Description
Technical Field
The utility model relates to a detection device especially relates to an air tightness detection device.
Background
The air tightness requirement of a flange product is very strict, air leakage cannot occur, otherwise the whole working performance of machinery such as a compressor and the like can be influenced, the operation of the conventional air tightness detector is slow, and the requirement of full detection cannot be met, so that the conventional air tightness detector can only be used for sampling detection, and if the conventional air tightness detector is used for full detection, the investment of personnel and instruments is seriously exceeded. The method is not suitable, so that the sampling inspection is adopted, so that defective products with air leakage are leaked out and flow to customers, a large number of defective products flowing into the market are generated, and the enterprise is seriously influenced.
SUMMERY OF THE UTILITY MODEL
To the above situation, in order to overcome the defects of the prior art, the utility model provides an air tightness detection device.
The utility model discloses a solve above-mentioned technical problem through following technical scheme: a gas tightness detection device is characterized by comprising a conversion gland, a clamp body, a clamp base, a rolling tooth, a first sealing ring, a first groove, a second sealing ring, a second groove, a first middle vent hole, a side vent hole, a vent hole inner tooth, a clamp body screw tooth, an air tap screw tooth, a third sealing ring, a second middle vent hole and an air tap rotating stress part, wherein the conversion gland is tightly matched with the top of the clamp body, the clamp base is positioned at the bottom of the clamp body, the rolling tooth is positioned on the outer surface of the conversion gland, the first groove is positioned on the top of the conversion gland, the first sealing ring is embedded with the first groove, the second groove is positioned on the top of the clamp body, the second sealing ring is embedded with the second groove, the first middle vent hole is positioned in the middle of the clamp body, the side vent hole is positioned at the bottom of the clamp body, and the first middle vent hole is, the internal tooth of air vent lies in the side air vent inboard, anchor clamps body thread lies in the lateral surface of anchor clamps body, the one end and the anchor clamps body coupling of air cock, air cock thread lies in one of air cock and with air vent internal tooth threaded connection, the third sealing washer is located the cover on the air cock and is close to air cock thread root, the air vent lies in the centre of air cock in the middle of the second, the rotatory atress position of air cock lies in the central part of air cock, the top inboard of conversion gland is equipped with a draw-in groove.
Preferably, the rolling teeth are in the shape of vertical stripes machined on the circumference.
Preferably, the air tap threads are external threads, and the internal threads of the vent hole are internal threads.
Preferably, the first groove is shaped as a ring-shaped groove.
Preferably, the inner side of the conversion gland is provided with a gland internal thread connected with the clamp body thread.
Preferably, the clamp body threads are of a fine-tooth structure.
Preferably, the inner teeth of the vent hole are in a fine tooth structure.
Preferably, the third sealing ring is in the shape of silica gel and a circular ring.
Preferably, the other end of the air tap is provided with a connecting pipe.
Preferably, the clamp base is integrally formed with the clamp body.
The utility model discloses an actively advance the effect and lie in:
the conversion gland and the clamp body are tightly matched through the clamp body threads, the rolling teeth are used for manually screwing the conversion gland, a flange to be detected is placed on a clamping groove of the conversion gland and then is pressurized and clamped, air is sucked through an air suction pump, a first middle vent hole, a side vent hole and a second middle vent hole which are connected with an air nozzle, the air in the conversion gland and the clamp body is pumped out to keep vacuum, and if the air suction pump is continuously sucked for a period of time, the air tightness of the flange is good (no air leakage exists); if the air suction pump is used for sucking air all the time, the air tightness of the flange is poor (air leakage exists), so that the effect of rapid detection can be achieved, the detection efficiency is improved, the full-detection requirement is met, and the use is convenient.
Secondly, the first sealing ring is tightly matched in the first groove, and the flange is placed above the first sealing ring and then pressed downwards to achieve a sealing effect; the second sealing ring is tightly matched in the second groove, so that the conversion gland and the clamp body are kept in a sealing state, and the sealing effect is improved. The internal thread of air vent lies in side air vent inboard, and anchor clamps body thread lies in the lateral surface of anchor clamps body, and the one end and the anchor clamps body coupling of air cock, air cock thread lie in one of air cock serve and with air vent internal thread threaded connection, make things convenient for air cock and anchor clamps body dismouting.
Thirdly, the stability of the clamp base is improved, and the air faucet rotating stress part is convenient to rotate. The conversion gland is removable structure, can change the conversion gland that corresponds the model according to the flange of processing difference, can change the flange gas tightness that different conversion glands detected different models, enlarges detection range. The first sealing ring increases the contact area, and the contact flange can play a sealing effect after being stressed instantly, so that one end of the air tap and the clamp body are kept sealed. The utility model has the advantages of simple structure, few elements, easy production and low cost.
Drawings
Fig. 1 is a schematic plan view of the air tightness detecting device of the present invention.
Fig. 2 is a schematic view of a side three-dimensional structure of the utility model with the air faucet removed.
Fig. 3 is a schematic view of the other side of the air faucet of the present invention.
Fig. 4 is a schematic cross-sectional view of the air faucet of the present invention after being taken off.
Fig. 5 is a schematic view of the external structure of the middle nozzle of the present invention.
Fig. 6 is a schematic view of the internal structure of the middle nozzle of the present invention.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 6, the air tightness detecting device of the present invention comprises a conversion gland 1, a clamp body 2, a clamp base 3, a rolling tooth 4, a first sealing ring 5, a first groove 6, a second sealing ring 7, a second groove 8, a first middle vent hole 9, a side vent hole 10, a vent hole inner tooth 11, a clamp body screw tooth 12, an air nozzle 13, an air nozzle screw tooth 14, a third sealing ring 15, a second middle vent hole 16, and an air nozzle rotation stress part 17, wherein the conversion gland 1 is tightly fitted with the top of the clamp body 2, the clamp base 3 is located at the bottom of the clamp body 2, the rolling tooth 4 is located on the outer surface of the conversion gland 1, the first groove 6 is located at the top of the conversion gland 1, the first sealing ring 5 is embedded with the first groove 6, the second groove 8 is located at the top of the clamp body 2, the second sealing ring 7 is embedded with the second groove 8, the first middle vent hole 9 is located at the middle of the, side air vent 10 is located the bottom of anchor clamps body 2, air vent 9 and side air vent 10 intercommunication in the middle of first, tooth 11 is located side air vent 10 inboardly in the air vent, anchor clamps body thread 12 is located the lateral surface of anchor clamps body 2, the one end and the anchor clamps body 2 of air cock 13 are connected, air cock thread 14 is located one of air cock 13 and with the air vent in tooth 11 threaded connection, third sealing washer 15 is located the cover on air cock 13 and be close to air cock thread 14 root, air vent 16 is located the centre of air cock 13 in the middle of the second, the rotatory atress portion 17 of air cock is located the central point of air cock 13, the top inboard of conversion gland 1 is equipped with a draw-in groove 20.
The rolling teeth 4 are processed into vertical stripes on the circumference, so that friction force is increased, and screwing operation is facilitated.
The air tap threads 14 are external threads, and the internal threads 11 of the vent hole are internal threads, so that the air tap threads 14 and the internal threads 11 of the vent hole are connected through threads conveniently.
First recess 6 is for processing the shape of ring type recess, and first sealing washer 5 is packed into back and can increases area of contact with the lateral wall, and the first sealing washer contact is inseparabler after the atress, and sealed effect is better.
The inner side of the conversion gland 1 is provided with a gland internal thread in threaded connection with the clamp body thread 12, so that the conversion gland 1 is conveniently matched with and disassembled from the top of the clamp body 2.
The clamp body thread 12 is of a fine-thread structure, is easy to screw with the conversion gland 1 and has small resistance, and is not easy to loosen after being screwed.
The inner teeth 11 of the vent hole are of a fine tooth structure, the resistance to screwing with the air tap 13 is small, and the air tap is not easy to loosen after screwing.
The third sealing ring 15 is in the shape of silica gel and a circular ring, and the air tap 13 and the compression sealing ring 15 after the clamp body 2 is screwed tightly have better air tightness.
The other end of the air tap 13 is provided with a connecting pipe 21 for connecting with an air suction pump and the like.
The clamp base 3 and the clamp body 2 are integrally formed, so that the clamp is convenient to manufacture, simple in structure and low in cost.
The working principle of the utility model is as follows: the utility model discloses a conversion gland 1, anchor clamps body 2, anchor clamps base 3, roll tooth 4, first sealing washer 5, first recess 6, second sealing washer 7, second recess 8, air vent 9 in the middle of the first, side air vent 10, tooth 11 in the air vent, anchor clamps body thread 12, air cock 13, air cock thread 14, third sealing washer 15, air vent 16 in the middle of the second, the rotatory atress portion 17 of air cock, parts such as draw-in groove 20 are the parts that universal standard spare or technical field personnel know, its structure and principle all are parts that this technical staff all can learn through the technical manual or learn through conventional experimental approach. When the clamp is used, the conversion gland 1 is tightly matched with the clamp body 2 through the clamp body threads 12, the rolling teeth 4 are used for manually screwing the conversion gland 1, a flange to be detected is placed on the clamping groove 20 of the conversion gland 1 and then is pressed and clamped, air is sucked through an air suction pump connected with an air nozzle 13, the first middle vent hole 9, the side vent holes 10 and the second middle vent hole 16, the air in the conversion gland 1 and the clamp body 2 is pumped out and kept vacuum, and if the air suction pump is not sucked for a period of time, the air tightness of the flange is good (no air leakage exists); if the air suction pump is used for sucking air all the time, the air tightness of the flange is poor (air leakage exists), so that the effect of rapid detection can be achieved, the detection efficiency is improved, the full-detection requirement is met, and the use is convenient. The first sealing ring 5 is tightly matched in the first groove 6, and the flange is placed above and then pressed downwards to achieve a sealing effect; the second sealing ring 7 is tightly matched in the second groove 8, so that the conversion gland 1 and the clamp body 2 are kept in a sealing state, and the sealing effect is improved. The internal thread 11 of air vent is located side air vent 10 inboard, and anchor clamps body thread 12 is located the lateral surface of anchor clamps body 2, and the one end and the anchor clamps body 2 of air cock 13 are connected, and air cock thread 14 is located one of air cock 13 and is served and with the internal thread connection of thread 11 of air vent, makes things convenient for air cock 13 and anchor clamps body 2 dismouting. The fixture base 3 increases stability, and the air nozzle rotating stress part 17 facilitates rotation of the air nozzle 13. Conversion gland 1 is removable structure, can change the conversion gland 1 that corresponds the model according to the flange of processing difference, can change the flange gas tightness that different conversion glands 1 detected different models, enlarges detection range. The first sealing ring 5 increases the contact area, and the contact flange can play a role in sealing instantly after being stressed, so that one end of the air tap 13 is kept sealed with the clamp body 2. The utility model has the advantages of simple structure, few elements, easy production and low cost.
The above-mentioned embodiments further explain the technical problems, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An air tightness detection device is characterized by comprising a conversion gland (1), a clamp body (2), a clamp base (3), a rolling tooth (4), a first sealing ring (5), a first groove (6), a second sealing ring (7), a second groove (8), a first middle vent hole (9), a side vent hole (10), a vent hole inner tooth (11), a clamp body screw tooth (12), an air nozzle (13), an air nozzle screw tooth (14), a third sealing ring (15), a second middle vent hole (16) and an air nozzle rotation stress part (17), wherein the conversion gland (1) is tightly matched with the top of the clamp body (2), the clamp base (3) is positioned at the bottom of the clamp body (2), the rolling tooth (4) is arranged on the outer surface of the conversion gland (1), the first groove (6) is positioned at the top of the conversion gland (1), the first sealing ring (5) is embedded with the first groove (6), the second groove (8) is positioned on the top of the clamp body (2), the second sealing ring (7) is embedded with the second groove (8), the first middle vent hole (9) is positioned in the middle of the clamp body (2), the side vent hole (10) is positioned at the bottom of the clamp body (2), the first middle vent hole (9) is communicated with the side vent hole (10), the vent hole inner teeth (11) are positioned at the inner side of the side vent hole (10), the clamp body screw teeth (12) are positioned on the outer side surface of the clamp body (2), one end of the air nozzle (13) is connected with the clamp body (2), the air nozzle screw teeth (14) are positioned at one end of the air nozzle (13) and are in threaded connection with the vent hole inner teeth (11), the third sealing ring (15) is positioned on the air nozzle (13) and close to the root of the air nozzle screw teeth (14), the second middle vent hole (16) is positioned in the middle of the air nozzle (13), and the air nozzle rotary stress part (17) is positioned at the central, a clamping groove (20) is arranged on the inner side of the top end of the conversion gland (1).
2. The tightness detection device according to claim 1, characterized in that said rollers (4) are shaped as vertical stripes circumferentially.
3. The air tightness detecting device according to claim 1, wherein the air tap threads (14) are external threads, and the vent hole internal threads (11) are internal threads.
4. The tightness detection device according to claim 1, characterized in that said first groove (6) is shaped as a circular groove.
5. The airtightness detection apparatus according to claim 1, wherein the inner side of the conversion gland (1) is provided with a gland internal thread which is screw-coupled with the clamp body thread (12).
6. The airtightness detection apparatus according to claim 1, wherein the screw thread (12) of the jig body has a fine thread structure.
7. The airtightness detection apparatus according to claim 1, wherein the internal teeth (11) of the ventilation hole have a fine tooth structure.
8. The tightness detection device according to claim 1, characterized in that said third sealing ring (15) takes the shape of a silica gel and a circular ring.
9. The tightness testing device according to claim 1, characterized in that said nozzle (13) is provided at its other end with a connecting tube (21).
10. The tightness detection device according to claim 1, characterized in that said clamp base (3) is integrally formed with the clamp body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021399482.XU CN212693171U (en) | 2020-07-15 | 2020-07-15 | Air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021399482.XU CN212693171U (en) | 2020-07-15 | 2020-07-15 | Air tightness detection device |
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| Publication Number | Publication Date |
|---|---|
| CN212693171U true CN212693171U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021399482.XU Active CN212693171U (en) | 2020-07-15 | 2020-07-15 | Air tightness detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117288400A (en) * | 2023-11-27 | 2023-12-26 | 昆山众泰兴自动化设备有限公司 | Panel air tightness detection equipment and working method thereof |
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2020
- 2020-07-15 CN CN202021399482.XU patent/CN212693171U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117288400A (en) * | 2023-11-27 | 2023-12-26 | 昆山众泰兴自动化设备有限公司 | Panel air tightness detection equipment and working method thereof |
| CN117288400B (en) * | 2023-11-27 | 2024-01-26 | 昆山众泰兴自动化设备有限公司 | Panel air tightness detection equipment and working method thereof |
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