CN210322198U - Thread air tightness detection device for pre-coated sealant bolt - Google Patents
Thread air tightness detection device for pre-coated sealant bolt Download PDFInfo
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- CN210322198U CN210322198U CN201921373505.7U CN201921373505U CN210322198U CN 210322198 U CN210322198 U CN 210322198U CN 201921373505 U CN201921373505 U CN 201921373505U CN 210322198 U CN210322198 U CN 210322198U
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Abstract
The utility model relates to an air tightness detection device, in particular to a thread air tightness detection device of a precoated seal glue bolt, which comprises a test upper pressing plate, a test base and a pressure gauge, wherein the middle parts of the test upper pressing plate and the test base are respectively and correspondingly provided with a test hole for installing a tested bolt, and the tested bolt is arranged in the test hole of the test upper pressing plate; a tested bolt between the testing upper pressure plate and the testing base is connected with a testing nut and a rubber sealing ring, and the tested bolt connected with the testing nut and the rubber sealing ring is correspondingly inserted into a testing hole of the testing base; the front side and the rear side of the test base are respectively provided with a quick connector and a pressure gauge which are communicated with the test hole of the test base. The utility model discloses low in manufacturing cost facilitates the use, can realize carrying out quick gas tightness to the threaded fastener who has the leakproofness requirement and detect, and the detection cost is lower and the result is accurate, can comprehensively promote on threaded fastener gas tightness detects.
Description
Technical Field
The utility model relates to an air tightness detection device specifically is a sealed thread air tightness detection device of gluing bolt of precoating.
Background
As shown in fig. 1, the thread of the rubber-coated bolt for the transmission of the heavy-duty car is precoated with a sealant, and the requirement of the sealing property is as follows: after the threads are screwed, the threads are kept for 5min under the action of 0.4MPa pressure, and the threads are not allowed to leak at the positions pre-coated with the sealant, so that the phenomenon of air leakage is avoided after the product is assembled on the gearbox. Therefore, in the processing process of the precoating sealant, the product must be subjected to air tightness sampling inspection, so that how to effectively detect the air tightness is the key for ensuring the product quality.
QC/T597.1-2017 standard provides a method and a principle for detecting the sealing performance of a bolt with a precoated sealant (as shown in figures 2-3), but a detection device is complex and is not convenient to develop in a process, so that a simple, convenient and effective detection device must be considered to realize rapid detection in the process.
Therefore, in view of the above situation, there is an urgent need to develop a thread airtightness detection device for a bolt precoated with sealant so as to overcome the shortcomings in the current practical application.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a sealed thread air tightness detection device who glues bolt of precoating to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
the thread air tightness detection device for the sealant precoated bolt comprises a testing upper pressing plate, a testing base and a pressure gauge, wherein the middle parts of the testing upper pressing plate and the testing base are respectively and correspondingly provided with a testing hole for mounting a tested bolt, and the tested bolt is arranged in the testing hole of the testing upper pressing plate;
a tested bolt between the testing upper pressure plate and the testing base is connected with a testing nut and a rubber sealing ring, and the tested bolt connected with the testing nut and the rubber sealing ring is correspondingly inserted into a testing hole of the testing base;
the upper part and the lower part of the test upper pressure plate and the test base are respectively connected and fixed with a first fixing bolt and a second fixing bolt;
and the front side and the rear side of the test base are respectively provided with a quick connector and a pressure gauge which are communicated with the test hole of the test base.
As a further aspect of the present invention: the bolt rod of the pre-coating sealant of the tested bolt is arranged in the testing hole of the testing upper pressure plate, the testing nut is in threaded connection with the tested bolt, and the testing nut is screwed to the gluing thread of the pre-coating sealant tested bolt.
As a further aspect of the present invention: and a rubber sealing ring is sleeved on the threaded rod of the tested bolt at one side of the testing nut close to the testing base.
As a further aspect of the present invention: the upper portion and the lower portion of the testing upper pressing plate and the testing base are correspondingly provided with a first bolt hole and a second bolt hole respectively, and the first fixing bolt and the second fixing bolt penetrate through the first bolt hole and the second bolt hole of the testing upper pressing plate and then are correspondingly in threaded connection with the first bolt hole and the second bolt hole of the testing base.
As a further aspect of the present invention: the testing upper pressing plate is further provided with an arc-shaped notch and a horizontal notch which are used for being separated from the first fixing bolt and the tested bolt, and the arc-shaped notch and the horizontal notch are communicated with the first bolt hole and the testing hole of the testing upper pressing plate respectively.
As a further aspect of the present invention: and compressed air with the system pressure of 0.4Mpa is connected to the quick connector to carry out thread air tightness detection on the pre-coated sealant tested bolt.
Compared with the prior art, the utility model discloses the beneficial effect of embodiment is:
the thread air tightness detection device for the pre-coating sealant bolt is designed according to the tightness detection principle and the requirements in the QC/T597.1-2017 standard and according to the time condition of a production workshop, and the existing compressed air workstation resources of the workshop are fully utilized. The appearance geometric dimension of the detection device is correspondingly changed according to the dimension of a test product, the whole weight of the detection device can be reduced to the greatest extent, the structural design of the test upper pressing plate and the test base is realized, and the labor intensity of test workers is reduced. Meanwhile, the quick connector is arranged on the testing device, so that operations such as switching on air source detection, switching off the air source to disassemble a detected product and the like are very simple and quick, and meanwhile, quick assembly and disassembly of the detected bolt can be realized.
To sum up, this detection device low in manufacturing cost facilitates the use, can realize carrying out quick gas tightness to the threaded fastener who has the leakproofness requirement and detect, and the detection cost is lower and the result is accurate, can comprehensively promote on threaded fastener gas tightness detects.
Drawings
FIG. 1 is a schematic diagram of a glue bolt for a heavy-duty vehicle transmission.
FIG. 2 is a schematic structural diagram of a pre-coating sealant bolt tightness detection device provided in QC/T597.1-2017 standard.
Fig. 3 is a side view of the press plate of fig. 2.
Fig. 4 is a schematic structural diagram of an embodiment of the present invention.
Fig. 5 is a schematic diagram of a right-view structure of an embodiment of the present invention.
In the figure: 1-sealing glue; 2-pressure gauge, 3-adhesion layer, 4-cover plate, 5-pressure plate, 6-cylinder, 7-valve, 8-sealing ring, 9-test nut, 10-fixing bolt and 11-test bolt; 12-a first fixing bolt, 13-a tested bolt, 14-a second fixing bolt, 15-a testing upper pressure plate, 16-a testing base, 17-a testing nut, 18-a rubber sealing ring and 19-a quick joint.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Please refer to fig. 4-5, in an embodiment of the present invention, an airtight detection apparatus for thread of bolt precoated with sealant, includes a testing upper plate 15, a testing base 16 and a pressure gauge 2, the middle portions of the testing upper plate 15 and the testing base 16 are respectively provided with a testing hole for installing the tested bolt 13, the tested bolt 13 is installed in the testing hole of the testing upper plate 15, the tested bolt 13 between the testing upper plate 15 and the testing base 16 is connected with a testing nut 17 and a rubber seal ring 18, and the tested bolt 13 connected with the testing nut 17 and the rubber seal ring 18 is inserted into the testing hole of the testing base 16 correspondingly.
The upper part and the lower part of the test upper pressure plate 15 and the test base 16 are respectively fixedly connected with a first fixing bolt 12 and a second fixing bolt 14, and the test upper pressure plate 15 and the test base 16 are fixedly connected through the first fixing bolt 12 and the second fixing bolt 14.
The front side and the rear side of the testing base 16 are respectively provided with a quick connector 19 communicated with a testing hole of the testing base 16 and a pressure gauge 2, when testing is conducted, compressed air with system pressure of 0.4Mpa is connected to the quick connector 19, the whole testing device is placed in a vessel filled with soapy water for 5min to be tested, and whether foaming is generated or not is observed.
Example 2
Referring to fig. 4-5, the present embodiment is different from embodiment 1 in that:
in this embodiment, the pre-coating sealant bolt rod of the tested bolt 13 is installed in the testing hole of the testing upper pressing plate 15, the testing nut 17 is connected to the tested bolt 13 in a threaded manner, the testing nut 17 is screwed to the gluing thread of the pre-coating sealant tested bolt 13, and a rubber sealing ring 18 is sleeved on the threaded rod of the tested bolt 13 on one side of the testing nut 17 close to the testing base 16.
In this embodiment, the upper portion and the lower portion of the testing upper pressing plate 15 and the testing base 16 are respectively provided with a first bolt hole and a second bolt hole, and the first fixing bolt 12 and the second fixing bolt 14 respectively penetrate through the first bolt hole and the second bolt hole of the testing upper pressing plate 15 and then are correspondingly screwed on the first bolt hole and the second bolt hole of the testing base 16.
In this embodiment, the testing upper pressing plate 15 is further provided with an arc-shaped notch and a horizontal notch which are used for being separated from the first fixing bolt 12 and the tested bolt 13, and the arc-shaped notch and the horizontal notch are respectively communicated with the first bolt hole and the testing hole of the testing upper pressing plate 15; after the detection is finished, the quick connector 19 is taken down, the first fixing bolt 12 and the second fixing bolt 14 are loosened, the test upper pressure plate 15 is rotated by taking the second fixing bolt 14 as a rotation center, the tested bolt 13 is taken down, and meanwhile, the other tested bolt 13 is replaced.
The using method of the detection device is as follows:
1) after a bolt rod of the bolt 13 to be tested, which is precoated with the sealant, is arranged in a hole of the testing upper pressure plate 15, the testing nut 17 is screwed to the gluing thread of the bolt 13 to be tested, and the rubber sealing ring 18 is sleeved on the leaked threaded rod of the bolt 13 to be tested;
2) after the combined and assembled tested bolt 13 and the test nut 17 are arranged in a hole of a test base 16, a first fixing bolt 12 and a second fixing bolt 14 are screwed;
3) after compressed air with the system pressure of 0.4Mpa is accessed to the quick connector 19, the whole testing device is placed in a vessel filled with soapy water for 5min for detection, and whether bubbling occurs is observed;
4) after the detection is finished, the quick connector 19 is taken down, the first fixing bolt 12 and the second fixing bolt 14 are loosened, the test upper pressure plate 15 is rotated by taking the second fixing bolt 14 as a rotation center, the tested bolt 13 is taken down, and meanwhile, the other tested bolt 13 is replaced;
5) in the detection process, whether the detection air pressure displayed by the pressure gauge 2 is 0.4Mpa can be simultaneously observed.
The thread air tightness detection device for the bolts precoated with the sealant is designed according to the tightness detection principle and requirements in QC/T597.1-2017 standards, and meanwhile, according to the time condition of a production workshop, the existing compressed air workstation resources of the workshop are fully utilized, and the detection device shown in the figures 4-5 is designed.
The detection device has the advantages that the appearance geometric dimension is correspondingly changed according to the size of a test product, the whole weight (namely, the size minimized design) of the detection device can be reduced to the greatest extent, the structural design of the test upper pressure plate 15 and the test base 16 is realized, and the labor intensity of test workers is reduced.
Meanwhile, the quick connector 19 is arranged on the testing device, so that operations of switching on air source detection, switching off the air source, disassembling a detected product and the like are very simple and quick, and meanwhile, the tested bolt 13 can be quickly assembled and disassembled.
The detection principle of the detection device and the method for clamping the tested piece can be comprehensively applied to the air tightness detection test of bolts, nuts and screw plugs precoated with sealant in all specifications, and the product quality requirement can be effectively ensured.
To sum up, this detection device low in manufacturing cost facilitates the use, can realize carrying out quick gas tightness to the threaded fastener who has the leakproofness requirement and detect, and the detection cost is lower and the result is accurate, can comprehensively promote on threaded fastener gas tightness detects.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. The utility model provides a sealed thread gas tightness detection device of gluing bolt precoats, includes test top board (15), test base (16) and manometer (2), its characterized in that:
the middle parts of the testing upper pressure plate (15) and the testing base (16) are respectively and correspondingly provided with a testing hole for mounting the tested bolt (13), and the tested bolt (13) is arranged in the testing hole of the testing upper pressure plate (15);
a tested bolt (13) between the testing upper pressure plate (15) and the testing base (16) is connected with a testing nut (17) and a rubber sealing ring (18), and the tested bolt (13) connected with the testing nut (17) and the rubber sealing ring (18) is correspondingly inserted into a testing hole of the testing base (16);
the upper part and the lower part of the test upper pressure plate (15) and the test base (16) are respectively connected and fixed with a first fixing bolt (12) and a second fixing bolt (14);
and the front side and the rear side of the test base (16) are respectively provided with a quick connector (19) communicated with a test hole of the test base (16) and a pressure gauge (2).
2. The thread tightness detection device of the pre-coating sealant bolt according to claim 1, characterized in that the pre-coating sealant bolt shank of the tested bolt (13) is installed in the test hole of the test upper pressing plate (15), the test nut (17) is screwed on the tested bolt (13), and the test nut (17) is screwed to the gluing thread of the pre-coating sealant tested bolt (13).
3. The thread tightness detection device for the pre-coated sealant bolt according to claim 2, wherein a rubber sealing ring (18) is sleeved on the threaded rod of the bolt to be tested (13) at one side of the testing nut (17) close to the testing base (16).
4. The threaded air tightness detection device for the pre-coated sealant bolt according to any one of claims 1 to 3, characterized in that the upper part and the lower part of the test upper pressure plate (15) and the test base (16) are respectively and correspondingly provided with a first bolt hole and a second bolt hole, and the first fixing bolt (12) and the second fixing bolt (14) are respectively threaded on the first bolt hole and the second bolt hole of the test base (16) after passing through the first bolt hole and the second bolt hole of the test upper pressure plate (15).
5. The thread airtightness detection apparatus for the pre-coated sealant bolt according to claim 4, wherein the test upper pressure plate (15) is further provided with an arc-shaped notch and a horizontal notch for separating from the first fixing bolt (12) and the tested bolt (13), and the arc-shaped notch and the horizontal notch are respectively communicated with the first bolt hole and the test hole of the test upper pressure plate (15).
6. The thread tightness detection device of the pre-coating sealant bolt according to claim 5, characterized in that the compressed air with the system pressure of 0.4Mpa is connected to the quick connector (19) to detect the thread tightness of the pre-coating sealant bolt (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921373505.7U CN210322198U (en) | 2019-08-22 | 2019-08-22 | Thread air tightness detection device for pre-coated sealant bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921373505.7U CN210322198U (en) | 2019-08-22 | 2019-08-22 | Thread air tightness detection device for pre-coated sealant bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210322198U true CN210322198U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921373505.7U Active CN210322198U (en) | 2019-08-22 | 2019-08-22 | Thread air tightness detection device for pre-coated sealant bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210322198U (en) |
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2019
- 2019-08-22 CN CN201921373505.7U patent/CN210322198U/en active Active
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Denomination of utility model: Thread air tightness detection device for pre-coated sealant bolt Effective date of registration: 20200717 Granted publication date: 20200414 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: SHAANXI FRANT AUTO PARTS Co.,Ltd. Registration number: Y2020990000777 |