CN218000741U - Joint for pipeline connection - Google Patents

Abstract

The utility model discloses a joint for pipe connection, including connecting body and screwed joint, screwed joint is equipped with the link, the week side of link is equipped with annular and mounting groove, install the connection snap ring in the annular, be equipped with first sealing washer in the mounting groove, the cross section of connecting the snap ring is square, the connection snap ring is equipped with the breach, it is equipped with the confession to connect the body the first interface of link male, first interface inner wall is equipped with the adapter sleeve, the inner wall of adapter sleeve is equipped with and is used for holding connect the recess of snap ring, the adapter sleeve with lug and the draw-in groove that are equipped with mutual joint between the first interface, this joint can improve and connect stability between body and the screwed joint.

Description

A connector for pipeline connection

technical field

The utility model discloses a joint used for pipeline connection, which belongs to the technical field of pipeline joints.

Background technique

The push-in connector is the most convenient plug-and-play connection method, especially in some places where the air pipe connection is very inconvenient and difficult, and it can better reflect the convenience of the push-in connector.

In the existing joints, the connection between the nylon body and the threaded joint body has frequent failures. Through the analysis of the cause of the faulty parts, it is found that the main cause of the joint between the nylon body and the threaded joint body is the steel threaded joint body. The machining control of the shape of the bamboo end is unstable.

Utility model content

The technical problem to be solved by the utility model is to provide a joint for pipeline connection, which can improve the connection stability between the joint body and the threaded joint.

To solve the above technical problems, the utility model adopts the following technical solutions:

A joint for pipeline connection, comprising a joint body and a threaded joint, the threaded joint is provided with a connecting end, and the peripheral side of the connecting end is provided with a ring groove and a mounting groove, and a connecting snap ring is installed in the ring groove , the installation groove is provided with a first sealing ring, the cross-section of the connection snap ring is square, the connection snap ring is provided with a gap, and the joint body is provided with a first interface for the connection end to be inserted into, The inner wall of the first interface is provided with a connecting sleeve, the inner wall of the connecting sleeve is provided with a groove for accommodating the connecting snap ring, and the connecting sleeve and the first interface are provided with mutually engaged protrusions and card slot.

The beneficial effects of adopting the utility model are:

The connecting end of the threaded joint in the utility model is provided with a ring groove, and a connecting snap ring is installed in the ring groove. The cross section of the connecting snap ring is square, and a groove is arranged in the connecting sleeve, so that After the connecting end of the threaded joint is inserted into the connecting sleeve, the connecting snap ring is inserted into the groove of the connecting sleeve, and the threaded joint and the joint body are connected through the connecting snap ring, which can ensure that the The connection between the joint body and the threaded joint is safe and firm, the connection stability of the two is improved, and the rotation flexibility of the threaded joint can also be maintained.

Secondly, the peripheral side of the connecting end in the utility model is provided with a ring groove and a mounting groove, and the connecting end only needs to process a ring groove for placing the connecting snap ring and a mounting groove for placing the first sealing ring. In this way, the machined external dimensions of the threaded joint are easy to control, and the installation is simple, which can effectively improve the performance of the utility model.

In addition, in the utility model, there are protrusions and slots that engage with each other between the connecting sleeve and the first interface, and the connecting sleeve and the first joint are engaged with each other through the protrusions and the slots. As a whole, the possibility of the connecting sleeve detaching from the joint body can be reduced, and at the same time, the overall tensile strength of the utility model can be increased, and the connection stability between the joint body and the threaded joint can be further improved.

In one embodiment, the card slot is arranged on the outer peripheral side of the connecting sleeve, and the protrusion is arranged on the inner wall of the first interface.

In one embodiment, the card slot is arranged on the inner wall of the first interface, and the protrusion is arranged on the outer peripheral side of the connecting sleeve.

In one of the embodiments, the inner wall of the port of the connecting sleeve is provided with a guiding slope for guiding the insertion of the connecting end.

In one embodiment, the joint body is provided with a second interface, and a locking mechanism and a second sealing ring are installed at the second interface.

In one embodiment, both the first interface and the second interface include a central axis, and the central axis of the first interface coincides with the central axis of the second interface.

In one embodiment, both the first interface and the second interface include a central axis, and the central axis of the first interface and the central axis of the second interface are perpendicular to each other.

In one embodiment, the locking mechanism includes a locking ring, a pipe withdrawal ring and a compression sleeve, the pipe withdrawal ring is installed on one side of the second sealing ring, and the pipe withdrawal ring faces away from the first One side of the second sealing ring is provided with a protruding ring, the locking ring is set on the outside of the protruding ring, the outer peripheral side of the locking ring is provided with an inclined surface, and the compression sleeve is installed on the locking ring the outer peripheral side.

Other features and advantages of the present utility model will be disclosed in detail in the following specific embodiments and accompanying drawings.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is the sectional view of the utility model embodiment 1;

Fig. 2 is a partially enlarged view of part A in Fig. 1;

Fig. 3 is a cross-sectional view of the joint body described in Embodiment 1 of the present utility model;

Figure 4 is an exploded view of Figure 1;

Fig. 5 is a schematic structural view of the connecting snap ring in Embodiment 1 of the present utility model;

Fig. 6 is the explosion diagram of the utility model embodiment 2;

Fig. 7 is a cross-sectional view of Embodiment 2 of the present utility model.

Reference signs: 1 threaded joint, 11 connecting end, 111 ring groove, 112 connecting snap ring, 1121 notch, 113 installation groove, 114 first sealing ring, 2 joint body, 21 first interface, 211 bump, 22 second Interface, 3 connecting sleeves, 31 grooves, 32 card slots, 33 guiding slopes, 41 withdrawing pipe rings, 411 convex rings, 42 locking rings, 421 inclined surfaces, 422 avoidance grooves, 43 compression sleeves, 431 convex strips.

detailed description

The technical solutions of the embodiments of the present invention will be explained and described below in conjunction with the accompanying drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, not all of them. Based on the examples in the implementation manners, other examples obtained by those skilled in the art without making creative efforts all belong to the protection scope of the present utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", The orientation or positional relationship indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" etc. is based on The orientation or positional relationship shown in the accompanying drawings is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood To limit the utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise clearly defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Example 1:

As shown in Figures 1 to 5, this embodiment shows a joint for pipeline connection, including a joint body 2 and a threaded joint 1, the threaded joint 1 is provided with a connecting end 11, and the circumference of the connecting end 11 A ring groove 111 and a mounting groove 113 are arranged on the side, a connecting snap ring 112 is installed in the ring groove 111, a first sealing ring 114 is arranged in the mounting groove 113, and the cross section of the connecting snap ring 112 is square, The connecting snap ring 112 is provided with a notch 1121, and the joint body 2 is provided with a first interface 21 for inserting the connecting end 11, and the inner wall of the first interface 21 is provided with a connecting sleeve 3, and the connecting sleeve 3 The inner wall is provided with a groove 31 for accommodating the connection snap ring 112. After the connection end 11 of the threaded joint 1 is inserted into the connection sleeve 3, the connection snap ring 112 is inserted into the groove 31 of the connection sleeve 3 Inside, the threaded joint 1 and the joint body 2 are connected through the connection snap ring 112, which can ensure the safe and firm connection between the joint body 2 and the threaded joint 1, improve the connection stability of the two, and at the same time The rotational flexibility of the threaded joint 1 can also be maintained.

Secondly, in this embodiment, the peripheral side of the connecting end 11 is provided with a ring groove 111 and a mounting groove 113, and the connecting end 11 only needs to process one ring groove 111 for placing the connecting snap ring 112 and one for placing the first sealing ring. The installation groove 113 of the ring 113 is sufficient, so that the machined external dimensions of the threaded joint 1 are easy to control, and the installation is simple, which can effectively improve the performance of this embodiment.

In this embodiment, the connecting sleeve 3 and the first interface 21 are provided with a protrusion 211 and a locking groove 32 that engage with each other. In this embodiment, the locking groove 32 is provided on the outer periphery of the connecting sleeve 3 On the side, the protrusion 211 is arranged on the inner wall of the first interface 21. Of course, it can be understood that in other embodiments, the card slot 32 may also be arranged on the inner wall of the first interface 21. The protrusion 211 is arranged on the outer peripheral side of the connection sleeve 3, and the inner wall of the port of the connection sleeve 3 is provided with a guide slope 33 for guiding the insertion of the connection end 11, and the guide slope 33 can facilitate the insertion of the threaded joint 1, The connection between the joint body 2 and the threaded joint 1 is more convenient and fast. In this embodiment, the joint body 2 is pre-added with the connection sleeve 3 during injection molding, and the connection sleeve 3 is attached to the joint body 2 The inside of the joint body 2 is injection molded as one, and the outer peripheral surface of the connecting sleeve 3 is provided with two grooves 31, and the inner wall of the first interface 21 is provided with two grooves 31 matching The protrusion 211, the connection sleeve 3 and the first joint are engaged with each other through the protrusion 211 and the slot 32, which reduces the possibility that the connection sleeve 3 is detached from the joint body 2, and can also increase The overall tensile strength of this embodiment further improves the connection stability between the joint body 2 and the threaded joint 1 .

In this embodiment, the joint body 2 is provided with a second interface 22, the first interface 21 and the second interface 22 both include a central axis, and the central axis of the first interface 21 and the central axis of the second interface 22 The axes coincide with each other. A locking mechanism and a second sealing ring are installed at the second interface 22. The locking mechanism includes a locking ring 42, a pipe withdrawal ring 41 and a compression sleeve 43. The pipe withdrawal ring 41 is installed On one side of the second sealing ring, the side of the retracting pipe ring 41 facing away from the second sealing ring is provided with a protruding ring 411, the outer surface of the protruding ring 411 is a slope, and the locking ring 42 is sleeved on the outside of the protruding ring 411, the inner wall of the locking ring 42 is in contact with the outer surface of the protruding ring 411, and the locking ring 42 is provided with several Avoidance grooves 422, several avoidance grooves 422 are evenly distributed along the outer peripheral side of the locking ring 42, the avoiding grooves 422 are arranged along the length direction of the locking ring 42, and the outer peripheral side of the locking ring 42 is provided with Inclined surface 421, the compression sleeve 43 is installed on the outer peripheral side of the locking ring 42, after the compression sleeve 43 is installed, the locking ring 42 is gradually compressed with the inclined surface 421 of the locking ring 42 , so that the locking ring 42 is kept in close contact with the protruding ring 411, and the outer peripheral side of the compression sleeve 43 is provided with several convex strips 431, and the convex strips 431 keep interference with the inner wall of the second interface 22 cooperate to realize the connection between the locking mechanism and the joint body 2 .

Example 2:

As shown in Figures 6 and 7, the main difference between this embodiment and Embodiment 1 is that: both the first interface 21 and the second interface 22 in this embodiment include a central axis, and the central axis of the first interface 21 and The central axes of the second interface 22 are perpendicular to each other, that is, the first interface 21 and the second interface 22 are vertically arranged. This embodiment is suitable for the turning of the pipe body. Of course, it can be understood that the first interface The angle between 21 and the second interface 22 can also be greater than 90° or less than 90°, and the number of the first interface 21 and the second interface 22 in the joint body 2 can also be greater than one , the corresponding design can be carried out according to the actual demand during production and manufacturing.

The above is only a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, those skilled in the art should understand that the utility model includes but is not limited to the accompanying drawings and the above specific implementation described in the content. Any modifications that do not deviate from the functional and structural principles of the present utility model shall be included in the scope of the claims.

Claims (8)

1. A joint for pipeline connection, comprising a joint body and a threaded joint, the threaded joint is provided with a connecting end, characterized in that: the peripheral side of the connecting end is provided with a ring groove and a mounting groove, and the ring groove A connecting snap ring is installed inside, a first sealing ring is arranged in the installation groove, the cross section of the snap ring is square, the connecting snap ring is provided with a gap, and the joint body is provided with a The first interface of the first interface, the inner wall of the first interface is provided with a connecting sleeve, the inner wall of the connecting sleeve is provided with a groove for accommodating the connecting snap ring, and the connecting sleeve and the first interface are provided with mutual Snap-on bumps and slots. 2. A joint for pipeline connection according to claim 1, characterized in that: the card slot is set on the outer peripheral side of the connecting sleeve, and the protrusion is set on the inner wall of the first interface . 3. A joint for pipeline connection according to claim 1, characterized in that: the card slot is set on the inner wall of the first interface, and the protrusion is set on the outer peripheral side of the connecting sleeve . 4. A joint for pipeline connection according to claim 1, characterized in that: the inner wall of the port of the connecting sleeve is provided with a guiding slope for guiding the insertion of the connecting end. 5. A joint for pipeline connection according to claim 1, characterized in that: the joint body is provided with a second interface, and a locking mechanism and a second sealing ring are installed at the second interface, A table for placing the second sealing ring is provided at the second interface, and the second sealing ring is limited between the locking mechanism and the table. 6. A joint for pipeline connection according to claim 5, characterized in that: both the first interface and the second interface include a central axis, and the central axis of the first interface and the second The central axes of the interfaces coincide with each other. 7. A joint for pipeline connection according to claim 5, characterized in that: both the first interface and the second interface include a central axis, and the central axis of the first interface and the second The central axes of the interfaces are perpendicular to each other. 8. A joint for pipeline connection according to claim 5, characterized in that: the locking mechanism includes a locking ring, a pipe withdrawal ring and a compression sleeve, and the pipe withdrawal ring is installed on the One side of the second sealing ring, the side of the withdrawing pipe ring facing away from the second sealing ring is provided with a protruding ring, the locking ring is sleeved on the outside of the protruding ring, and the outer periphery of the locking ring The side is provided with an inclined surface, and the compression sleeve is installed on the outer peripheral side of the locking ring.

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