CN220060506U

CN220060506U - Manifold sealing structure for exhaust gas detection

Info

Publication number: CN220060506U
Application number: CN202321132112.3U
Authority: CN
Inventors: 周圣凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-11-21
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses a manifold sealing structure for exhaust detection, which comprises a sealer, wherein connectors are arranged at two ends of the sealer, annular grooves are symmetrically arranged on the outer wall of the sealer, rubber rings are arranged on the inner wall of the annular grooves, mounting grooves are symmetrically arranged on the inner wall of the sealer, an air bag is arranged on the inner wall of the mounting grooves, a conveying pipe is arranged on the outer wall of the air bag, a threaded cylinder is arranged on the inner wall of the mounting grooves, and threaded rods penetrate through the inner wall of the threaded cylinder. According to the utility model, the sealing effect of the joint of the sealing structure of the manifold for exhaust detection can be effectively improved by installing the rubber ring and the air bag, after the manifold is connected by the sealing structure of the manifold for exhaust detection, the pressing plate is pressed by the rotating disc, so that the air bag is extruded by the moving position of the pressing plate, the air stored in the air bag flows into the rubber ring through the conveying pipe, the rubber ring is expanded in volume, and the joint gap is sealed.

Description

Manifold sealing structure for exhaust gas detection

Technical Field

The utility model relates to the technical field of manifold detection, in particular to a manifold sealing structure for exhaust gas detection.

Background

The exhaust gas detecting manifold sealing structure is a device for ensuring the sealing of a joint when the tightness of an engine exhaust system is detected, is usually made of metal or rubber materials, is arranged between detecting equipment and a manifold, seals the joint of the manifold, can prevent detected gas leakage when the tightness of the manifold is detected, and ensures that the tightness detection of the manifold is normally carried out;

patent document CN216242873U discloses a multi-split manifold connecting structure, "comprising a three-way joint, one end of the three-way joint is connected with a collecting pipe, the other two ends of the three-way joint are respectively connected with a first split branch pipe and a second split branch pipe, the collecting pipe, the first split branch pipe and the second split branch pipe respectively extend outwards, flaring forms a flaring pipe, the flaring pipe comprises a flaring transition section and a flaring section, the flaring section is used for sleeving an external pipe fitting, the outer surface of the flaring pipe is sleeved with a positioning ring in an interference fit manner, the hardness of the material of the flaring pipe is smaller than that of the positioning ring, and the flaring pipe and the positioning ring jointly form a quick-connection device; the utility model can achieve the purposes of convenient and quick installation and good sealing performance through the arrangement of the flaring pipe and the positioning ring, however, the multi-split manifold connecting structure disclosed by the publication mainly considers the problem of quick installation and does not consider the problem of improving the sealing performance of the connecting part, so that the manifold sealing structure for exhaust gas detection needs to be researched, and the sealing performance of a gap at the connecting part of the manifolds can be improved.

Disclosure of Invention

The utility model aims to provide a manifold sealing structure for exhaust gas detection, which aims to solve the technical problem of improving the sealing performance of the joint of the manifold sealing structure for exhaust gas detection.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a manifold sealing structure for exhaust gas detection, comprising:

the two ends of the sealer are provided with connectors;

annular grooves are symmetrically formed in the outer wall of the sealer, and rubber rings are arranged on the inner wall of the annular grooves;

the inner wall symmetry of sealer is provided with the mounting groove, the inner wall of mounting groove is provided with the gasbag, the outer wall of gasbag is provided with the conveyer pipe, and the one end of conveyer pipe is connected with the rubber circle, the inner wall of mounting groove is provided with the screw thread section of thick bamboo, the inner wall of screw thread section of thick bamboo wears to be equipped with the threaded rod, the top of mounting groove is provided with the pressure board, and the one end of threaded rod runs through the inside of pressure board, the fixed disc that is provided with in top of threaded rod.

Preferably, a penetrating cylinder is arranged on the outer side of the air bag, and one end of the threaded rod penetrates through the penetrating cylinder.

Preferably, a limiter is arranged on the outer wall of the sealer.

Preferably, the inner wall of the limiter is provided with a movable groove, and the inner wall of the movable groove is provided with a rotating wheel.

Preferably, the inner wall of the limiter is provided with a limiting plate in a penetrating way, and the inner wall of the limiting plate is provided with a threaded sleeve.

Preferably, the inner wall of the threaded sleeve is provided with a threaded screw rod in a penetrating way, one end of the threaded screw rod is fixedly connected with the outer wall of the rotating wheel, and external threads arranged on the outer walls of the two groups of threaded screw rods are opposite.

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

1. according to the utility model, the sealing effect of the joint of the sealing structure of the manifold for exhaust detection can be effectively improved by installing the rubber ring and the air bag, after the manifold is connected by the sealing structure of the manifold for exhaust detection, the rotating disc drives the threaded rod to rotate, the threaded rod moves through the threaded cylinder when rotating, the position of the threaded rod drives the disc to move downwards when moving, the pressing plate is pressed when moving, the air bag is pressed by the moving position of the pressing plate, so that the air stored in the air bag flows into the rubber ring through the conveying pipe, the volume of the rubber ring is expanded, and the joint of the sealing structure of the manifold for exhaust detection and the manifold is sealed, so that the aim of improving the sealing performance is fulfilled;

2. the position of the sealing structure of the manifold for exhaust detection is conveniently limited by installing the limiter, the joint of the sealing structure and the manifold is effectively prevented from loosening, the outer wall of the connecting manifold is provided with the limiting groove, the rotating wheel rotates to achieve the rotation of the threaded screw, the limiting plate moves out of the inside of the limiter through the threaded sleeve when the threaded screw rotates, one end of the limiting plate further moves into the limiting groove preset on the outer wall of the manifold, the position of the sealer can be limited, and the position of the sealing structure of the manifold for exhaust detection can be effectively prevented from loosening when the sealing detection is carried out on the bottom manifold.

Drawings

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

FIG. 2 is a schematic diagram of the front structure of the present utility model;

FIG. 3 is a schematic view of a mounting groove structure of the present utility model;

FIG. 4 is a schematic view of the structure of the air bag according to the present utility model;

fig. 5 is a schematic view of the stopper according to the present utility model.

In the figure: 1. a sealer; 2. a connector; 3. an annular groove; 4. a rubber ring; 5. a mounting groove; 6. an air bag; 7. a penetrating cylinder; 8. a delivery tube; 9. a thread cylinder; 10. a threaded rod; 11. a disc; 12. a pressing plate; 13. a limiter; 14. a movable groove; 15. a rotating wheel; 16. a limiting plate; 17. a threaded sleeve; 18. and a threaded screw rod.

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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Please refer to fig. 1 and 4, a manifold seal structure for exhaust gas detection, including sealer 1, both ends of sealer 1 all are provided with connector 2, and the outside of gasbag 6 is provided with runs through a section of thick bamboo 7, and the one end of threaded rod 10 wears to establish in the inside of running through a section of thick bamboo 7, when using exhaust gas detection to connect manifold seal structure and carry out the leakproofness and detect, connect manifold and sealer 1 through connector 2, sealer 1 seals manifold junction, and then is convenient for carry out the leakproofness and detect to the manifold, threaded rod 10 wears to establish the inside of gasbag 6 through running through a section of thick bamboo 7.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the outer wall symmetry of sealer 1 is provided with ring channel 3, the inner wall of ring channel 3 is provided with rubber circle 4, the inner wall symmetry of sealer 1 is provided with mounting groove 5, the inner wall of mounting groove 5 is provided with gasbag 6, the outer wall of gasbag 6 is provided with conveyer pipe 8, and the one end of conveyer pipe 8 is connected with rubber circle 4, the inner wall of mounting groove 5 is provided with screw thread section of thick bamboo 9, threaded rod 10 is worn to the inner wall of screw thread section of thick bamboo 9, the top of mounting groove 5 is provided with pressurization board 12, and the one end of pressurization board 12 runs through the inside of pressurization board 12, the top of threaded rod 10 is fixed to be provided with disc 11, the manifold leakproofness structure for exhaust gas detection connects the back, the rotation disc 11 can drive threaded rod 10 rotation, the position through the screw thread section of thick bamboo 9 makes threaded rod 10 when the rotation, the position of threaded rod 10 moves down can drive the position of disc 11, and when the position of disc 11 moves, and exert pressure to the pressurization board 12 removes the position and extrude gasbag 6, make the gas that 6 inside 6 flows through conveyer pipe 8 and get into the inside of rubber circle 4 and leak-proof seal the interior volume of sealing structure, can be detected with the manifold leakproofness, and the purpose is sealed with the effect is reached when detecting the gas leak tightness, and the seal effect is sealed.

Referring to fig. 1 and 5, the outer wall of the sealer 1 is provided with a limiter 13, the inner wall of the limiter 13 is provided with a movable groove 14, the inner wall of the movable groove 14 is provided with a rotating wheel 15, the inner wall of the limiter 13 is provided with a limiting plate 16 in a penetrating manner, the inner wall of the limiting plate 16 is provided with a threaded sleeve 17, the inner wall of the threaded sleeve 17 is provided with a threaded screw 18 in a penetrating manner, one end of the threaded screw 18 is fixedly connected with the outer wall of the rotating wheel 15, and external threads arranged on the outer walls of the two sets of threaded screws 18 are opposite, after the exhaust gas detection manifold sealing structure is connected with the manifold, the outer wall of the connecting manifold is provided with a limiting groove, the rotating wheel 15 rotates to rotate the threaded screw 18, the limiting plate 16 moves out of the inside of the limiter 13 through the threaded sleeve 17 when the threaded screw 18 rotates, and then one end of the limiting plate 16 moves into the preset limiting groove on the outer wall of the manifold, so that the position of the sealer 1 can be limited, and the position of the exhaust gas detection manifold sealing structure can be effectively prevented from loosening when the bottom manifold is subjected to sealing detection.

The working principle is that the manifold is connected with the sealer 1 through the connector 2, the sealer 1 seals the joint of the manifold, and then the tightness detection is convenient for carry out on the manifold, after the manifold is connected, the rotary disc 11 can drive the threaded rod 10 to rotate, the position of the threaded rod 10 is moved through the threaded cylinder 9 when the threaded rod 10 rotates, the position of the disc 11 can be driven to move downwards when the position of the threaded rod 10 moves, the pressing plate 12 is pressed when the position of the disc 11 moves, the pressing plate 12 is further made to move the position to extrude the air bag 6, the gas stored in the air bag 6 flows into the rubber ring 4 through the conveying pipe 8, the volume of the rubber ring 4 is expanded, the tightness structure of the manifold for exhaust detection is further sealed with the joint gap of the manifold, a limit groove is formed in the outer wall of the joint manifold, the rotary wheel 15 is made to rotate by the threaded screw 18, the limit plate 16 is made to move out of the inside of the limiter 13 through the threaded sleeve 17 when the threaded screw 18 rotates, one end of the limit plate 16 is made to move into the limit groove preset on the outer wall of the manifold, the position of the sealer 1 can be limited, the position of the sealer 1 can be detected when the tightness detection is carried out on the bottom manifold, and the tightness detection can be effectively prevented.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A manifold seal structure for exhaust gas detection, comprising:

the sealing device comprises a sealing device (1), wherein connectors (2) are arranged at two ends of the sealing device (1);

an annular groove (3) is symmetrically arranged on the outer wall of the sealer (1), and a rubber ring (4) is arranged on the inner wall of the annular groove (3);

the inner wall symmetry of sealer (1) is provided with mounting groove (5), the inner wall of mounting groove (5) is provided with gasbag (6), the outer wall of gasbag (6) is provided with conveyer pipe (8), and the one end of conveyer pipe (8) is connected with rubber circle (4), the inner wall of mounting groove (5) is provided with screw thread section of thick bamboo (9), threaded rod (10) are worn to be equipped with by the inner wall of screw thread section of thick bamboo (9), the top of mounting groove (5) is provided with pressure board (12), and the inside of pressure board (12) is run through to the one end of threaded rod (10), the top of threaded rod (10) is fixed to be provided with disc (11).

2. The exhaust gas detecting manifold seal according to claim 1, wherein: the outside of gasbag (6) is provided with runs through a section of thick bamboo (7), and the one end of threaded rod (10) wears to establish in the inside of running through a section of thick bamboo (7).

3. The exhaust gas detecting manifold seal according to claim 1, wherein: the outer wall of the sealer (1) is provided with a limiter (13).

4. A manifold sealing structure for exhaust gas detection according to claim 3, wherein: the inner wall of the limiter (13) is provided with a movable groove (14), and the inner wall of the movable groove (14) is provided with a rotating wheel (15).

5. The exhaust gas detecting manifold seal according to claim 3 or 4, characterized in that: the inner wall of the limiter (13) is provided with a limiting plate (16) in a penetrating mode, and the inner wall of the limiting plate (16) is provided with a threaded sleeve (17).

6. The exhaust gas detecting manifold seal according to claim 5, wherein: the inner wall of the threaded sleeve (17) is provided with threaded screw rods (18) in a penetrating mode, one ends of the threaded screw rods (18) are fixedly connected with the outer wall of the rotating wheel (15), and external threads arranged on the outer walls of the two groups of threaded screw rods (18) are opposite.