CN205824415U - Pipe sealing structure - Google Patents

Abstract

The utility model relates to a pipeline sealing structure, which is made of elastic material and is used for the sealing connection between a first pipe piece and a second pipe piece. The pipeline sealing structure includes a tubular main body, and the first The connecting end of the pipe fitting is inserted into the main body, and also includes an enclosure part connected to the outer peripheral surface of the main body, and an axis along the main body is formed between the enclosure part and the outer peripheral surface of the main body. The connecting end of the second pipe fits on the outer peripheral surface of the main body and wraps in the accommodating cavity extending toward the accommodating cavity. The pipeline sealing structure described in the utility model can increase the contact area between the main body and the second pipe fitting by setting the accommodation chamber extending axially along the main body, and increase the friction force between the two, so as to avoid squeezing the main body. Into the first pipe fitting, thereby improving the stability of the sealing structure of the pipeline, so that it has a better use effect.

Description

Pipeline sealing structure

technical field

The utility model relates to the technical field of pipeline sealing, in particular to a pipeline sealing structure.

Background technique

At present, rubber seals are often used in pipeline connections to seal pipelines, which have many problems such as poor sealing performance and inconvenient installation. The sleeve has the following disadvantages in use: first, the rubber sleeve is at risk of being squeezed into the air filter tube under friction with the supercharger; second, the sealing performance of the rubber sleeve with the air filter tube and the supercharger Poor, after working for a long time, there is the problem of oil and gas seepage; third, the end of the rubber sleeve is designed with a diversion structure, its structure is complex, and there is a problem of easy deformation after assembly, which will affect the fluidity of the gas and will also increase the flow rate. Air resistance, resulting in reduced engine power, resulting in vibration and noise.

Utility model content

In view of this, the utility model aims to propose a pipeline sealing structure to overcome the deficiencies in the prior art and has a better use effect.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

A pipeline sealing structure, which is made of elastic material, is used for sealing connection between a first pipe piece and a second pipe piece, the pipeline sealing structure includes a tubular main body, and the connecting end of the first pipe piece It is inserted into the main body, and further includes an enclosure part connected to the outer peripheral surface of the main body, and an accommodation extending along the axial direction of the main body is formed between the enclosure part and the outer peripheral surface of the main body. cavity, the connecting end of the second pipe fits on the outer peripheral surface of the main body and wraps in the containing cavity.

Further, the surrounding part includes a surrounding plate connected to the outer peripheral surface of the main body and extending to one side along the axial direction of the main body.

Further, the shroud is connected to one end of the main body into which the first pipe is inserted.

Further, a first sealing portion is provided between the main body and the first pipe piece.

Further, the first sealing part includes a groove formed on the outer peripheral surface of the first pipe member, and a sealing ring abutting against the main body and the first pipe member and locked in the groove.

Further, a second sealing portion is formed on the end surface of the main body connected to the second pipe.

Further, the second sealing part is a sealing rib arranged in a thread shape on the main body.

Further, a clamping part is provided between the end of the connecting end of the first pipe fitting and the inner peripheral surface of the main body, the clamping part includes a clamping groove formed on the inner peripheral surface of the main body, and a A clip on the outer peripheral surface of the connecting end of the first pipe and stuck in the slot.

Further, a hoop is provided on the outer peripheral surface of the enclosure part.

Further, the main body and the surrounding part are made of rubber material.

Compared with the prior art, the utility model has the following advantages:

(1) The pipeline sealing structure described in the utility model can increase the contact area between the main body and the second pipe fitting by setting the accommodation cavity along the axial direction of the main body, and increase the friction force between the two, so as to avoid squeezing the main body. Into the first pipe fitting, thereby improving the stability of the sealing structure of the pipeline, so that it has a better use effect.

(2) The provision of the first sealing portion can improve the sealing performance between the first pipe piece and the main body.

(3) The first sealing part adopts a groove and a sealing ring, which has a simple structure and is convenient for design and implementation.

(4) Providing the second sealing portion can improve the sealing performance between the second pipe member and the main body.

(5) The threaded sealing rib can improve the strength of the main body, and facilitate the assembly and connection between the first pipe fitting, the second pipe fitting and the main body.

(6) The firmness of the connection between the first pipe piece and the main body can be improved through the clamping connection between the clamping head and the clamping groove.

(7) A hoop is provided to tighten the connection between the first pipe, the second pipe and the main body.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is a structural schematic diagram of the pipeline sealing structure described in the embodiment of the present invention;

Fig. 2 is the structural representation of the rubber sleeve described in the embodiment of the present invention;

Explanation of reference signs:

1-Rubber sleeve, 11-Main body, 12-Coaming plate, 13-Groove, 14-Installation groove, 15-Accommodating cavity, 16-Card slot, 2-Booster connection end, 3-Clamp, 4-Empty Filter tube connection end, 5-sealing rib, 6-groove.

detailed description

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

The utility model relates to a pipeline sealing structure, which is made of elastic material and is used for the sealing connection between a first pipe piece and a second pipe piece. The pipeline sealing structure includes a tubular main body, and a baffle part connected to the outer peripheral surface of the main body, and an accommodating cavity extending along the axial direction of the main body is formed between the baffle part and the outer peripheral surface of the main body. The connecting end of the first pipe is inserted into the main body, and the connecting end of the second pipe is sleeved on the outer peripheral surface of the main body and wrapped in the accommodating cavity. In this pipeline sealing structure, by providing an accommodating cavity arranged along the axial direction of the main body, the contact area between the main body and the second pipe can be increased, and the friction force between the two can be increased, so as to prevent the main body from being squeezed into the first pipe, so as to The sealing structure of the pipeline has a better use effect.

Based on the above design concept, an exemplary structure of the pipeline sealing structure described in this embodiment is shown in Figure 1, wherein the first pipe and the second pipe of this embodiment are respectively represented by a supercharger and an air filter A pipe is used as an example for illustration, and correspondingly, the pipeline sealing structure is a rubber sleeve 1 connected between the two. The situation when the first pipe and the second pipe are other pipes is similar to the connection structure between the supercharger and the air filter pipe, and will not be repeated below. The connecting end 2 of the supercharger is inserted into the rubber sleeve 1, the connecting end 4 of the air filter tube is sleeved on the outer peripheral surface of the rubber sleeve 1, and the connecting end 4 of the air filter tube is wrapped in the accommodating chamber.

As shown in FIG. 2 , the rubber sleeve 1 in this embodiment specifically includes a tubular main body 11, and on the outer peripheral surface of the main body 11, a shroud 12 extending to one side along the axial direction of the main body 11 is provided. The shroud 12 is The above-mentioned enclosure part is constituted. Further, the shroud 12 is connected to one end of the main body 11 where the supercharger is inserted, so that the shroud 12 and the main body 11 form a U-shaped structure in cross section. Certainly, besides forming a U-shaped structure, the shroud 12 and the main body 11 can also be H-shaped, Y-shaped or other structures. In addition, based on the direction shown in FIG. 2 , the height of the surrounding plate 12 is smaller than that of the main body 11 , so as to facilitate the insertion of the connecting end 4 of the air filter tube into the accommodating chamber 15 . Of course, in addition to making the height of the surrounding board 12 smaller than that of the main body 11 , the height of the surrounding board 12 and the main body 11 can also be made equal, or the height of the surrounding board 12 can be made greater than that of the main body 11 . In order to improve the tightness of the connection between the air filter pipe, the supercharger and the rubber sleeve 1, a clamp 3 is also provided on the outer peripheral surface of the surrounding plate 12, and in order to facilitate the installation of the clamp 3, on the surrounding plate 12 A concave installation groove 14 is formed on the outer peripheral surface, and the clamp 3 is clamped in the installation groove 14 .

The structure of the aforementioned supercharger connection end 2 in this embodiment can be shown in Figure 1, and its end is flush with the end of the main body 11 after connection, in order to improve the tightness of the connection between the supercharger and the rubber sleeve 1 Solidity, a first locking part is provided between the end of the supercharger connection end 2 and the inner peripheral surface of the main body 11, the first locking part specifically includes a locking groove 16 formed on the inner peripheral surface of the main body 11, And a clamping head formed on the outer peripheral surface of the supercharger connection end 2 and clamped in the clamping groove 16 . In addition, in order to improve the sealing performance between the supercharger connection end 2 and the rubber sleeve 1, a first sealing portion is provided between the main body 11 and the supercharger connection end 2, and the first sealing portion includes a The groove 6 on the outer peripheral surface of the connecting end 2 of the booster, and the sealing ring abutting against the main body 11 and the connecting end 2 of the supercharger and stuck in the groove 6, the sealing ring can be an O-ring. In this embodiment, the groove 6 and the sealing ring placed therein can be multiple arranged side by side on the outer surface of the supercharger connection end 2, and the sealing ring adopts an O-ring separately arranged from the main body 11, Of course, the sealing ring can also be a protrusion-shaped structure formed on the inner peripheral surface of the main body 11 .

In this embodiment, in order to improve the sealing performance between the connecting end 4 of the air filter tube and the rubber sleeve 1, a second sealing portion is formed on the end surface of the main body 11 where the connecting end 4 of the air filter tube connects. The second sealing portion is a threaded sealing rib 5 arranged on the main body 11 , and the cross section of the sealing rib 5 is set to be triangular to facilitate processing and manufacturing. Of course, in addition to being designed as a triangle, the sealing rib 5 can also be trapezoidal, rectangular or other shapes. In order to improve the tightness of the connection between the air filter tube connecting end 4 and the rubber sleeve 1 , a second clamping portion is also provided between the end of the air filter tube connecting end 4 and the surrounding plate 12 . The second clamping part includes a snap ring protruding radially outward formed at the end of the air filter pipe connection end 4, and a groove 13 formed on the inner surface of the coaming corresponding to the snap ring. in groove 13.

As shown in FIG. 1 , in this embodiment, a diameter-reducing portion is also formed on the connecting end 4 of the air filter tube, so that one end of the main body 11 abuts against the inner surface of the connecting end 4 of the air filter tube, and due to air Due to the reduced diameter design of the connecting end 4 of the filter tube, the inner surface of the connecting end 2 of the supercharger is also approximately in a smooth connection with the inner surface of the connecting end 4 of the air filter tube, so that the airflow in the air filter tube can flow into the booster smoothly. In the pressurizer, and the current guide structure in the sealing structure used for connecting the air filter pipe to the supercharger can be omitted, so as to avoid the problem of deformation of the guide structure after assembly.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. a pipe sealing structure, it is made up of elastic material, for the sealing between the first pipe fitting and the second pipe fitting even Connect, it is characterised in that: described pipe sealing structure includes main body (11) in a tubular form, and the connection end of described first pipe fitting is plugged in In described main body (11), also include the enclosing portion being connected on described main body (11) outer peripheral face, in described enclosing portion and described master The axially extended receiving chamber (15) along described main body (11), the company of described second pipe fitting it is formed with between the outer peripheral face of body (11) Connect end to be set on the outer peripheral face of described main body (11) and be wrapped in described receiving chamber (15).

Pipe sealing structure the most according to claim 1, it is characterised in that: described enclosing portion includes being connected to described main body (11) on outer peripheral face and along described main body (11) axial to side extend coaming plate (12).

Pipe sealing structure the most according to claim 2, it is characterised in that: described coaming plate (12) is connected to described main body (11) one end inserted for described first pipe fitting.

Pipe sealing structure the most according to claim 1, it is characterised in that: at described main body (11) and described first pipe fitting Between be provided with the first sealing.

Pipe sealing structure the most according to claim 4, it is characterised in that: described first sealing includes being formed at described Groove (6) on first pipe fitting outer peripheral face, and abut against and be placed in described groove with described main body (11) and the first pipe fitting (6) sealing ring in.

Pipe sealing structure the most according to claim 1, it is characterised in that: at described main body (11) and described second pipe fitting The second sealing it is formed with on the end face connected.

Pipe sealing structure the most according to claim 6, it is characterised in that: described second sealing is for being located at described main body (11) sealed muscle (5) arranged in screw-like on.

Pipe sealing structure the most according to claim 1, it is characterised in that: the end of described first component coupling end with Being provided with Access Division between the inner peripheral surface of described main body (11), described Access Division includes being formed on described main body (11) inner peripheral surface Draw-in groove (16), and be formed on the outer peripheral face of described first component coupling end and be placed in the dop in described draw-in groove (16).

Pipe sealing structure the most according to claim 1, it is characterised in that: it is provided with on the outer peripheral face in described enclosing portion Clip (3).

Pipe sealing structure the most according to any one of claim 1 to 9, it is characterised in that: described main body (11) and enclosing Stopper is made up of quality of rubber materials.