CN218584298U - Testing device for negative pressure detection of bottom groove of oiling machine - Google Patents
Testing device for negative pressure detection of bottom groove of oiling machine Download PDFInfo
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- CN218584298U CN218584298U CN202222707123.1U CN202222707123U CN218584298U CN 218584298 U CN218584298 U CN 218584298U CN 202222707123 U CN202222707123 U CN 202222707123U CN 218584298 U CN218584298 U CN 218584298U
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Abstract
The utility model relates to a testing arrangement for be used for tanker aircraft kerve negative pressure to detect, include: the cover body comprises a body and a flange part which are connected into a whole, the flange part is positioned at the bottom of the body, and the body and the flange part form a box body structure with an opening at the bottom; one of the two connectors is connected with negative pressure equipment to be communicated, and the other connector is connected with a pressure gauge; the shape of the sealing element is consistent with that of the top end of the connecting part, the sealing element comprises a first sealing part and a second sealing part which are integrally formed, the first sealing part is positioned at the bottom of the second sealing part, the first sealing part is connected with the top end of the connecting part in a sealing mode, and the second sealing part is connected with the bottom end of the cover body in a sealing mode; the orthographic projection of the side wall of the body on the plane where the top end of the connecting part is located is superposed with the upper surface of the connecting part; the orthographic projection of the flange part on the plane of the top end of the connecting part surrounds the upper surface of the connecting part. The testing device can be carried out indoors and outdoors without being limited by weather; the accuracy of test is improved, improve efficiency of software testing.
Description
Technical Field
The utility model belongs to the technical field of the tanker aircraft installation technique and specifically relates to indicate a testing arrangement for tanker aircraft kerve negative pressure detects.
Background
During the installation process of the fuel dispenser, a fuel dispenser bottom groove is firstly installed (referring to fig. 1, the fuel dispenser bottom groove comprises a base and a connecting part, the base is positioned at the top of the connecting part, and the base and the connecting part form a box body structure with an open top. At this time, the inside of the oil dispenser ground groove is opened and the pipeline is installed, and all places possibly involved with leakage risks need to be subjected to a sealing test (namely, whether the bottom groove of the oil dispenser after the horizontal pipeline is installed on the opening is sealed and meets the requirement or not needs to be verified).
The test scheme adopted in the prior art is to inject water into a bottom tank of an oiling machine. And smearing water testing paste at the position where the horizontal pipeline is installed on the opening of the bottom groove of the oiling machine. And (4) judging whether leakage exists or not by observing the color change of the water testing paste. However, this approach has two major disadvantages: (1) often limited by weather reasons and cannot be tested in rainy weather. In addition, the test is carried out in a humid area, and the test water paste is also influenced by the judgment of the result. (2) Time is consumed, water needs to be injected and then drained, and the testing efficiency is low; in addition, water resources are severely wasted.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model discloses the technical problem that will solve lies in overcoming the unable test of the generally limited in weather reason that prior art water injection test exists or influence the problem that the result judges and efficiency of software testing is low.
In order to solve the technical problem, the utility model provides a testing arrangement for tanker aircraft kerve negative pressure detects, include: the cover body comprises a body and a flange part which are connected into a whole, the flange part is positioned at the bottom of the body, and the body and the flange part form a box body structure with an opening at the bottom;
the two joints are connected to the top of the cover body and are communicated with the interior of the cover body; one of the two joints is connected with a negative pressure device to be communicated, and the other joint is connected with a pressure gauge;
and the annular sealing element has elasticity, the shape of the sealing element is consistent with that of the top end of the connecting part of the bottom groove, the sealing element comprises a first sealing part and a second sealing part which are integrally formed, the first sealing part is positioned at the bottom of the second sealing part, the first sealing part is in sealing connection with the top end of the connecting part, and the second sealing part is in sealing connection with the bottom end of the cover body.
The utility model discloses an in one embodiment, the bottom of first sealing is equipped with the draw-in groove that extends along the tanker aircraft kerve direction of height that awaits measuring, and the draw-in groove suit is on the top lateral wall of connecting portion.
In an embodiment of the present invention, the size of the lower opening of the slot is smaller than the size of the upper opening of the slot; the size of the lower opening of the clamping groove is smaller than the wall thickness of the top end of the connecting part, and the size of the upper opening of the clamping groove is larger than or equal to the wall thickness of the top end of the connecting part.
In an embodiment of the present invention, the slot includes a first side surface, a third side surface and a second side surface which are connected in sequence; the first side face and the second side face are opposite to each other along the width direction of the side wall at the top end of the connecting part; the third side surface is provided with a tooth-shaped bulge.
In an embodiment of the present invention, the bottom end face of the first sealing portion is an arc-shaped face.
In an embodiment of the present invention, the second sealing portion includes a transition section and two ear portions symmetrically disposed at two sides of the transition section, the transition section and the two ear portions form a first concave groove at the top of the second sealing portion; the transition section is arranged in parallel with the lower surface of the flange part;
wherein, at the position where the first sealing part is connected with the second sealing part, the outer side wall of the ear part and the outer side wall of the first sealing part form a second groove which is concave towards the inside of the sealing member.
In an embodiment of the present invention, the joint of the two adjacent side walls of the body is provided with a reinforcement, and the reinforcement is connected to the inner wall of the body.
In an embodiment of the present invention, the reinforcing member is a right-angled triangle block structure, and two right-angled sides of the reinforcing member are respectively connected to two adjacent sidewalls of the body.
In an embodiment of the present invention, the reinforcement is provided with two through holes, and an axis of the through hole is parallel to the height direction of the body.
The utility model discloses an embodiment, the hookup location department of body and flange portion is equipped with the excessive portion that the chamfer was handled, and excessive portion sets up the outer wall at the cover body.
Compared with the prior art, the technical scheme of the utility model have following advantage:
a testing arrangement that tanker aircraft kerve negative pressure detected, its cover body passes through the sealing member and forms the confined space with the tanker aircraft kerve, connects through the joint negative pressure equipment in advance in addition to be convenient for carry out the negative pressure test to the tanker aircraft kerve, whether test tanker aircraft kerve has the leak point. The test can be carried out only by switching on the negative pressure equipment, and the test can be carried out indoors and outdoors without being limited by weather; the application range is wide. In addition, whether leakage points exist in the bottom groove of the oiling machine can be identified by observing the pressure gauge, the judgment of a test result is objective, and the test accuracy is improved. After the test is finished, the cover body is only required to be disconnected from the negative pressure equipment to be connected, and the test efficiency is greatly improved.
Drawings
In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic structural diagram of a bottom groove of a testing device for detecting the negative pressure of the bottom groove of a fuel dispenser;
FIG. 2 is a three-dimensional schematic diagram of a testing device for detecting the negative pressure of a bottom groove of a fuel dispenser;
FIG. 3 is a bottom view of the testing device for detecting the negative pressure of the bottom groove of the oiling machine;
FIG. 4 is a schematic structural diagram of a sealing member of a testing device for detecting the negative pressure of a bottom groove of a fuel dispenser;
figure 5 is a cross-sectional view of the seal of the testing device for fuel dispenser sump negative pressure detection of figure 3;
FIG. 6 is a schematic structural diagram of a joint of a testing device for detecting the negative pressure of a bottom groove of a fuel dispenser;
figure 7 is a schematic diagram of the use of the testing device for detecting the negative pressure of the bottom groove of the oiling machine;
fig. 8 is a sectional view of the testing device for detecting the negative pressure of the bottom groove of the oiling machine in fig. 7.
The specification reference numbers indicate: 100-a housing; 110-a body; 111-a reinforcement; 120-flange portion; 130-a transition; 200-a linker; 300-a seal; 310-a first seal; 311-card slot; 311 a-first side; 311 c-third side; 311 b-second side; 320-a second seal; 321-a transition section; 322-ear; 323-a first groove; 324-a second groove; 400-bottom groove; 410-a base; 420-connecting part.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.
Referring to fig. 2 to 8, the utility model provides a testing arrangement for tanker aircraft kerve negative pressure detects, include: the mask body 100, the mask body 100 includes a body 110 and a flange part 120 which are connected as an integral molding, the flange part 120 is located at the bottom of the body 110, and the body 110 and the flange part 120 form a box structure with an opening at the bottom;
two joints 200, the joints 200 are connected to the top of the cover 100 and communicated with the inside of the cover 100; one of the two connectors 200 is connected with a negative pressure device to be communicated, and the other connector is connected with a pressure gauge;
and a ring-shaped sealing member 300, the sealing member 300 having elasticity, the shape of the sealing member 300 conforming to the shape of the top end of the connecting portion 420 of the bottom groove, the sealing member 300 including a first sealing portion 310 and a second sealing portion 320 which are integrally formed, the first sealing portion 310 being located at the bottom of the second sealing portion 320, the first sealing portion 310 being in sealing connection with the top end of the connecting portion 420, and the second sealing portion 320 being in sealing connection with the bottom end of the cover body 100;
wherein, the orthographic projection of the side wall of the body 110 on the plane of the top end of the connecting part 420 is superposed with the upper surface of the connecting part 420; and an orthographic projection of the flange part 120 on a plane where the top end of the connection part 420 is located surrounds the upper surface of the connection part 420.
Specifically, the cover body 100 in this embodiment forms a sealed space with the bottom tank 400 of the fuel dispenser through the sealing member 300, and is additionally connected with a pre-negative pressure device through the joint 200, so as to facilitate the negative pressure test on the bottom tank 400 of the fuel dispenser and test whether the bottom tank 400 of the fuel dispenser has a leakage point. The test can be carried out only by switching on the negative pressure equipment, and the test can be carried out indoors and outdoors without being limited by weather; the application range is wide. In addition, whether leakage points exist in the oiling machine bottom groove 400 can be identified by observing the pressure gauge, the test result is judged objectively, and the test accuracy is improved. After the test is finished, the connection between the cover body 100 and the negative pressure equipment to be connected is only needed to be disconnected, and the test efficiency is greatly improved.
Further, the bottom of the first sealing portion 310 is provided with a clamping groove 311 extending along the height direction of the bottom groove 400 of the oiling machine to be tested, and the clamping groove 311 is sleeved on the side wall of the top end of the connecting portion 420.
Specifically, the sealing between the connection portion 420 and the sealing member 300 is achieved by the locking slot 311 fitted on the top end side wall of the connection portion 420.
Further, the size of the lower opening of the card slot 311 refers to the size of the bottom end position of the card slot 311 in the width direction of the card slot 311; the upper opening size of the card slot 311 refers to a size in the width direction of the card slot 311 at the top end position of the card slot 311. The size of the lower opening of the card slot 311 is smaller than the size of the upper opening of the card slot 311; the size of the lower opening of the clamping groove 311 is smaller than the wall thickness of the top end of the connecting part 420, and the size of the upper opening of the clamping groove 311 is larger than or equal to the wall thickness of the top end of the connecting part 420.
Specifically, the size of the lower opening of the clamping groove 311 is smaller than the wall thickness of the top end of the connecting part 420, so that the lower opening of the clamping groove 311 can tightly embrace the outer wall of the connecting part 420, and the sealing performance between the connecting part 420 and the sealing element 300 is further improved. The size of the lower opening of the card slot 311 is smaller than the size of the upper opening of the card slot 311, facilitating the card slot 311 to be clamped on the connection part 420.
Further, the card slot 311 includes a first side 311a, a third side 311c and a second side 311b which are connected in sequence; wherein the first side 311a and the second side 311b are opposite to each other along the width direction of the top side wall of the connection part 420; the third side 311c has a toothed protrusion.
Specifically, since the sealing member 300 has elasticity, when the tip end surface of the connection part 420 comes into contact with the third side surface 311c, the third side surface 311c receives a force of the tip end surface of the connection part 420. Since the top end surface of the connecting portion 420 is uneven due to a process problem, when the third side surface 311c has a tooth-shaped protrusion instead of a flat surface, the protrusion of the third side surface 311c is flattened when the top end surface of the uneven connecting portion 420 contacts the third side surface 311c, so that the contact surface of the top end surface of the connecting portion 420 and the third side surface 311c is larger, thereby improving the sealing performance of the two.
Further, the bottom end surface of the first sealing portion 310 is an arc-shaped surface.
In particular, this facilitates quick latching of the card slot 311 to the top side wall of the connection portion 420.
Further, the second sealing portion 320 includes a transition section 321 and two ear portions 322 symmetrically disposed at two sides of the transition section 321, the transition section 321 and the two ear portions 322 form a first concave groove 323 at the top of the second sealing portion 320; and the transition section 321 is arranged in parallel with the lower surface of the flange part 120; wherein, at the position where the first sealing portion 310 is connected with the second sealing portion 320, the outer sidewall of the ear portion 322 and the outer sidewall of the first sealing portion 310 form a second groove 324 recessed toward the inside of the sealing member 300.
Specifically, the first groove 323 is arranged such that the initial contact of the second sealing portion 320 and the cover 100 is point contact, and when the negative pressure test is performed, the two ear portions 322 are folded toward the first sealing portion 310, so that the second groove 324 is reduced until the inner walls of the two ear portions 322 and the transition section 321 are in a plane, so that the second sealing portion 320 and the cover 100 are in plane contact, and the sealing performance between the sealing member 300 and the second sealing portion 320 is further improved.
Further, a reinforcing member 111 is disposed at a joint of two adjacent sidewalls of the body 110, and the reinforcing member 111 is connected to an inner wall of the body 110.
Specifically, the reinforcement 111 reinforces the cover 100.
Further, the reinforcing member 111 is a right-angled triangular block structure, and two right-angled side surfaces of the reinforcing member 111 are respectively connected to two adjacent sidewalls of the body 110.
Specifically, the triangular reinforcing member 111 may closely fit to the inner wall of the cover 100, thereby reinforcing the cover 100.
Further, the reinforcing member 111 is provided with two through holes, and axes of the through holes are arranged in parallel to the height direction of the body 110.
Specifically, the through hole is provided to facilitate the hoisting movement of the cover body 100, for example, a steel wire rope is tied on the through hole to hoist, so that the cover body 100 is time-saving and labor-saving to move.
Further, a transition portion 130 of chamfering processing is provided at a connection position of the body 110 and the flange portion 120, and the transition portion 130 is provided at an outer wall of the cover 100.
Specifically, the transition portion 130 reinforces the connection of the body 110 and the flange portion 120.
Further, the cover body 100 is made of acryl; the sealing member 300 is made of nitrile rubber.
Specifically, the interior of the enclosure 100 may be inspected during testing. The sealing member 300 using nitrile rubber can be recycled.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a testing arrangement for tanker aircraft kerve negative pressure detects which characterized in that includes:
the cover body comprises a body and a flange part which are connected into a whole, the flange part is positioned at the bottom of the body, and the body and the flange part form a box body structure with an opening at the bottom;
the two joints are connected to the top of the cover body and communicated with the interior of the cover body; one of the two connectors is connected with negative pressure equipment to be communicated, and the other connector is connected with a pressure gauge;
and the annular sealing element is elastic, the shape of the sealing element is consistent with that of the top end of the connecting part of the bottom groove, the sealing element comprises a first sealing part and a second sealing part which are integrally formed, the first sealing part is positioned at the bottom of the second sealing part, the first sealing part is in sealing connection with the top end of the connecting part, and the second sealing part is in sealing connection with the bottom end of the cover body.
2. The testing device for detecting the negative pressure of the bottom groove of the fuel dispenser as recited in claim 1, wherein: the bottom of the first sealing portion is provided with a clamping groove extending along the height direction of a bottom groove of the oiling machine to be tested, and the clamping groove is sleeved on the side wall of the top end of the connecting portion.
3. The testing device for detecting the negative pressure of the bottom groove of the fuel dispenser as recited in claim 2, wherein: the size of the lower opening of the clamping groove is smaller than that of the upper opening of the clamping groove; the size of the lower opening of the clamping groove is smaller than the wall thickness of the top end of the connecting part, and the size of the upper opening of the clamping groove is larger than or equal to the wall thickness of the top end of the connecting part.
4. The testing device for detecting the negative pressure of the bottom groove of the fuel dispenser as recited in claim 3, wherein: the clamping groove comprises a first side surface, a third side surface and a second side surface which are sequentially connected; wherein the first side surface and the second side surface are opposite along the width direction of the side wall at the top end of the connecting part; the third side surface is provided with a tooth-shaped bulge.
5. The testing device for detecting the negative pressure of the bottom groove of the fuel dispenser as recited in claim 4, wherein: the bottom end face of the first sealing part is an arc-shaped face.
6. The testing device for detecting the negative pressure of the bottom groove of the oiling machine as recited in claim 5, wherein: the second sealing part comprises a transition section and lug parts symmetrically arranged on two sides of the transition section, and the transition section and the two lug parts form a first concave groove downwards at the top of the second sealing part; the transition section is arranged in parallel with the lower surface of the flange part;
wherein, at a position where the first sealing portion is connected with the second sealing portion, an outer side wall of the ear portion and an outer side wall of the first sealing portion form a second groove recessed inward of the seal.
7. The testing device for detecting the negative pressure of the bottom groove of the fuel dispenser as recited in claim 1, wherein: the joint of the two adjacent side walls of the body is provided with a reinforcing piece, and the reinforcing piece is connected to the inner wall of the body.
8. The testing device for detecting the negative pressure of the bottom groove of the oiling machine as recited in claim 7, wherein: the reinforcing part is of a right-angled triangle block structure, and two right-angled side faces of the reinforcing part are respectively connected with two adjacent side walls of the body.
9. The testing device for detecting the negative pressure of the bottom groove of the fuel dispenser as recited in claim 8, wherein: two through holes are formed in the reinforcing piece, and the axes of the through holes are parallel to the height direction of the body.
10. The testing device for detecting the negative pressure of the bottom groove of the oiling machine as recited in claim 1, characterized in that: the body with the hookup location department of flange portion is equipped with the excessive portion that the chamfer was handled, excessive portion sets up the outer wall of the cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222707123.1U CN218584298U (en) | 2022-10-13 | 2022-10-13 | Testing device for negative pressure detection of bottom groove of oiling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222707123.1U CN218584298U (en) | 2022-10-13 | 2022-10-13 | Testing device for negative pressure detection of bottom groove of oiling machine |
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| CN218584298U true CN218584298U (en) | 2023-03-07 |
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| CN202222707123.1U Active CN218584298U (en) | 2022-10-13 | 2022-10-13 | Testing device for negative pressure detection of bottom groove of oiling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116735095A (en) * | 2023-08-16 | 2023-09-12 | 飞亚达精密科技股份有限公司 | Method for detecting micro-leakage point of closed cavity of watch |
-
2022
- 2022-10-13 CN CN202222707123.1U patent/CN218584298U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116735095A (en) * | 2023-08-16 | 2023-09-12 | 飞亚达精密科技股份有限公司 | Method for detecting micro-leakage point of closed cavity of watch |
| CN116735095B (en) * | 2023-08-16 | 2024-01-05 | 飞亚达精密科技股份有限公司 | Method for detecting micro-leakage point of closed cavity of watch |
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