CN220706707U - Be used for rubber tube gas tightness to detect with grafting head - Google Patents

Abstract

The utility model discloses a plug-in seal head for detecting the air tightness of a rubber tube, which comprises an upper piece, wherein one side of the upper piece is connected with a lower piece, the center of the inside of the upper piece is provided with a mounting groove, the inner wall of the mounting groove is fixedly provided with an inflatable rubber ring, the center of one side of the lower piece is provided with an inflatable core rod, the center of the inside of the inflatable core rod is provided with a first inflatable channel, one end of the first inflatable channel is provided with an air outlet, the other end of the first inflatable channel is connected with an inflatable interface, the inflatable core rod penetrates through the center of the mounting groove, a rubber tube plug interface is arranged at a joint between the inflatable core rod and the inflatable rubber ring, one end of the second inflatable channel is communicated with the inside of the inflatable rubber ring, and the rubber tube is tightly stuck to the surface of the inflatable core rod by inflation outside the rubber tube after inflation of the inflatable rubber ring, so that the port of the rubber tube is sealed, and the problem that the rubber tube cannot be blocked fast is solved.

Description

Be used for rubber tube gas tightness to detect with grafting head

Technical Field

The utility model belongs to the technical field of automobile accessory detection, and particularly relates to a plug-in seal head for detecting the air tightness of a rubber tube.

Background

As an important transportation means for our daily travel, the safety of the automobile is always very important for consumers and manufacturers. The tightness of the automobile parts is related to the safe driving of the automobile. Sometimes, a leak of a small part may cause a huge potential safety hazard. Therefore, the air tightness detection (tightness detection) of the parts is the last safety guarantee made by manufacturers before the products leave the factory.

The pressure and tightness detection is carried out before packaging after the automobile assembly rubber tube is successfully assembled, and the current rubber tube assembly airtight detection comprises two types, namely, a nylon or stainless steel plug is used for plugging the rubber tube mouth, the clamp is used for fastening, and the rubber tube is placed on an air detection table for ventilation test; the other is that the inner side of the pipe opening is provided with the inflatable head, so that the inner side of the inflatable rubber ring tightens the inner wall of the pipe opening of the rubber pipe, but the tight strength of the rubber ring is strictly controlled, otherwise, the pipe opening is easy to expand and deform, the pipe opening is in butt joint when in later use, and the sealing is not tight, under the condition, the quick airtight seal head which can be used for quickly plugging and unplugging the rubber pipe and ventilating can be sealed is designed and developed, so that the problem that the sealing of the later installation pipe opening is not tight due to the expansion and deformation of the rubber pipe opening is solved while the quick airtight sealing of the rubber pipe opening is realized.

Disclosure of Invention

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a plug seal head for rubber tube gas tightness detects, includes the upper segment, upper segment one side is connected with down the piece, the inside center department of upper segment is provided with the mounting groove, the mounting groove inner wall is fixed with the inflation rubber ring, lower piece one side center department is provided with the plug that inflates, the inside center department of plug that inflates is provided with first inflation channel, first inflation channel one end is provided with the gas outlet, the first inflation channel other end is connected with the interface that inflates, the plug that inflates runs through mounting groove center department, the crack department between plug and the inflation rubber ring is provided with the rubber tube interface, it is provided with the second inflation channel to lie in inflation plug one side in the upper segment, second inflation channel one end and the inside being linked together of inflation rubber ring.

As a preferable technical scheme of the utility model, a transition part is arranged between the small diameter end and the large diameter end of the upper piece inflatable core rod, and the angle of the section of the transition part is 30 degrees.

As a preferable technical scheme of the utility model, the connecting surfaces of the upper sheet and the lower sheet are respectively provided with a concave part and a convex part, and the concave part and the convex part are matched.

As a preferable technical scheme of the utility model, a sealing gasket is arranged at a crack at the joint of the upper sheet and the lower sheet.

As a preferable technical scheme of the utility model, the upper sheet and the lower sheet are fastened and connected through screws.

As a preferable technical scheme of the utility model, the whole upper sheet and the whole lower sheet are made of stainless steel.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the rubber pipe port is tightly pressed and stuck on the surface of the inflatable core rod outside the rubber pipe by inflation of the inflatable rubber ring, so that the port sealing of the rubber pipe is realized, the problem that the rubber pipe cannot be quickly blocked by airtight sealing is solved, the end part of the rubber pipe is quickly sealed, the airtight speed of the rubber pipe is accelerated, the production efficiency is improved, and meanwhile, the rubber ring is inflated and inflated outside the rubber pipe to tightly press and seal the rubber pipe port, so that the problem that the later installation pipe port is not tightly sealed due to expansion and deformation of the rubber pipe port is prevented.

(2) The small diameter part of the end part of the core rod of the upper piece of the sealing head is transited to a proper large diameter size by 30 degrees, so that the pipe can be conveniently inserted and pulled out; the upper and lower sheets of the seal head are in convex-concave fit and are tightly pulled by screws, so that dislocation is not easy to occur.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model;

in the figure: 1. loading a piece; 2. blanking; 3. a mounting groove; 4. an inflatable rubber ring; 5. an inflatable core rod; 6. a first inflation channel; 7. an air outlet; 8. an inflation interface; 9. a rubber tube inserting port; 10. a second inflation channel; 11. a transition section; 12. a concave portion; 13. a convex portion; 14. and a sealing gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-2, the present utility model provides the following technical solutions: the utility model provides a be used for rubber tube gas tightness to detect with grafting head, includes piece 1, piece 1 one side is connected with down piece 2, the inside center department of piece 1 is provided with mounting groove 3, mounting groove 3 inner wall is fixed with the rubber ring 4 that aerifys, piece 2 one side center department is provided with the plug 5 that aerifys down, the inside center department of plug 5 is provided with first inflation passageway 6, first inflation passageway 6 one end is provided with gas outlet 7, the first inflation passageway 6 other end is connected with inflation interface 8, the plug 5 that aerifys runs through mounting groove 3 center department, the crack department between plug 5 and the rubber ring 4 that aerifys is provided with rubber tube interface 9, be located in piece 1 and aerify plug 5 one side and be provided with second inflation passageway 10, second inflation passageway 10 one end and the inside being linked together of rubber ring 4 that aerifys, in this embodiment, at first will all plug each opening end of rubber tube is all plugged up, and the other head inserts in the airtight head, on the plug 5, aerifys the passageway back, and the rubber ring 4 inflation is held the outer wall, and the inner wall is held in the rubber tube 5, and the rubber tube is held in a pressure of holding, and is held in the inner wall, and is held in the sealed rubber tube 5, and the inflation pressure is held in the pressure holding time, and is formed in the sealed air-tight environment, and the pressure holding time is adjusted, and the pressure is required to be adjusted.

In order to facilitate the plugging and unplugging of the automobile hose orifice, in this embodiment, as a preferred technical scheme of the present utility model, a transition portion 11 is disposed between the small diameter end and the large diameter end of the inflatable mandrel 5 of the upper sheet 1, and the angle of the cross section of the transition portion 11 is 30 degrees.

In order to facilitate rapid alignment of the upper sheet 1 and the lower sheet 2, in this embodiment, as a preferred technical solution of the present utility model, a concave portion 12 and a convex portion 13 are respectively provided on a connecting surface of the upper sheet 1 and the lower sheet 2, and the concave portion 12 and the convex portion 13 are adapted.

In order to increase the tightness between the upper sheet 1 and the lower sheet 2, in this embodiment, as a preferred technical solution of the present utility model, a sealing gasket 14 is disposed at a seam at the joint of the upper sheet 1 and the lower sheet 2.

In order to facilitate the fastening of the upper sheet 1 and the lower sheet 2, in this embodiment, as a preferred technical solution of the present utility model, the upper sheet 1 and the lower sheet 2 are fastened by screws.

In order to ensure the service life and strength of the whole seal head, in this embodiment, as a preferred technical scheme of the present utility model, the whole of the upper sheet 1 and the lower sheet 2 is made of stainless steel.

In summary, after the automobile assembly rubber tube is assembled by the technical scheme of the utility model, the automobile assembly rubber tube is placed on an airtight table for detection, one end of the automobile rubber tube is a quick connector and is fixed by a quick-insert nylon rod so as to avoid air leakage, then the tube opening at one end of the rubber tube is inserted into the rubber tube inserting port 9 at the outer side of the inflatable core rod 5, the tube opening end of the rubber tube is pushed into the deep position of the rubber tube inserting port 9, the second inflatable channel 10 is ventilated, the inflatable rubber ring 4 is inflated to hold the outer wall of the tube opening of the rubber tube, the inner wall of the rubber tube holds the inflatable core rod 5 to form a sealed environment space, then air flow enters the rubber tube from the first inflatable channel 6 in the inflatable core rod 5, the ventilation pressure, the inflation time and the pressure maintaining time are adjusted according to requirements, the test is started, the pressure is set according to the requirements of a drawing, the inflation time and the pressure change is observed after the starting, and the pressure is floated within a set range, so that the airtight condition is achieved.

It is worth noting that the ventilation time of the second inflation channel 10 of the inflatable rubber ring 4 is 2s earlier than that of the first inflation channel 6 of the rubber tube, so that the inflatable rubber ring 4 is tightly held by the rubber tube to seal and then ventilation detection is performed.

Finally, it should be noted that: in the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. Be used for rubber tube gas tightness to detect with grafting head, including last piece (1), its characterized in that: the utility model discloses a rubber hose is used for the internal space of air inflation, including last piece (1), upper plate (1), lower piece (2), upper plate (1) one side is connected with down piece (2), upper plate (1) inside center department is provided with mounting groove (3), mounting groove (3) inner wall is fixed with and inflates rubber ring (4), lower piece (2) one side center department is provided with and inflates plug (5), it is provided with first inflation channel (6) to inflate plug (5) inside center department, first inflation channel (6) one end is provided with gas outlet (7), the first inflation channel (6) other end is connected with and inflates interface (8), it runs through mounting groove (3) center department to inflate plug (5) and inflate the crack department between rubber ring (4) and be provided with rubber tube interface (9), it is provided with second inflation channel (10) to be located in upper plate (1) one side of inflation plug (5), second inflation channel (10) one end and the inside communication of rubber ring (4).

2. The plug seal head for detecting air tightness of rubber pipe according to claim 1, wherein: the transition part (11) is arranged between the small diameter end and the large diameter end of the inflatable mandrel (5) of the upper sheet (1), and the angle of the section of the transition part (11) is 30 degrees.

3. The plug seal head for detecting air tightness of rubber pipe according to claim 1, wherein: the connecting surfaces of the upper sheet (1) and the lower sheet (2) are respectively provided with a concave part (12) and a convex part (13), and the concave part (12) and the convex part (13) are matched.

4. A plug head for detecting air tightness of rubber pipes according to claim 3, wherein: a sealing gasket (14) is arranged at a crack at the joint of the upper sheet (1) and the lower sheet (2).

5. The plug seal head for detecting air tightness of rubber pipe according to claim 1, wherein: the upper sheet (1) and the lower sheet (2) are fastened and connected through screws.

6. The plug seal head for detecting air tightness of rubber pipe according to claim 1, wherein: the upper sheet (1) and the lower sheet (2) are made of stainless steel integrally.