CN108361458B - Combined pipeline - Google Patents

Abstract

The invention provides a combined pipeline which comprises a first pipe body, a second pipe body and a connecting mechanism used for communicating the first pipe body and the second pipe body; the connecting mechanism comprises a first connecting piece, a second connecting piece and a limiting pin; the first connecting piece and the second connecting piece can axially approach, and can rotate to a preset position after approaching so as to be clamped on the second connecting piece; the first connecting piece is provided with a first limiting hole, and the second connecting piece is provided with a second limiting hole; the limiting pin is used for penetrating through the first limiting hole and the second limiting hole when the first connecting piece is clamped on the second connecting piece, so that the first connecting piece is limited to rotate to a non-preset position relative to the second connecting piece. The combined pipeline provided by the invention can realize the rapid assembly and disassembly of the first pipe body and the second pipe body through the matching of the first connecting piece and the second connecting piece. Meanwhile, the limiting pin can be used for enabling the clamping connection of the first connecting piece and the second connecting piece to be more stable.

Description

a combination pipeline

Technical field

The present invention relates to a pipeline, in particular, to a combined pipeline.

Background technique

Pipes are devices connected by pipes, pipe connectors and valves for transporting gases, liquids or fluids with solid particles. The connections between existing pipes usually use threaded connections, which is time-consuming, labor-intensive, inefficient, and requires drilling holes in the pipes themselves, which easily affects the hardness of the pipes themselves and reduces their service life.

Contents of the invention

The present invention provides a combined pipe, which is intended to improve the problem that existing pipes are connected through threads, etc., making installation and disassembly inconvenient.

The present invention is implemented as follows:

A combined pipeline includes a first pipe body, a second pipe body and a connecting mechanism for connecting the first pipe body and the second pipe body; the connecting mechanism includes a first connecting piece, a second connecting piece, and a limiter Pin; the first connecting piece cannot be separated from the second end of the first pipe body after being inserted axially from the first end of the first pipe body, and the second connecting piece is sleeved axially from the first end of the second pipe body After being inserted, it cannot be separated from the second end of the second pipe body; the first connecting piece after being inserted into the first pipe body and the second connecting piece after being inserted into the second pipe body can be approached axially, and the first connecting piece After being axially close to the second connecting piece, it can be rotated relative to the second connecting piece to a preset position to be engaged with the second connecting piece, so that the second end of the first pipe body is connected to the second end of the second pipe body. Two ends; the first connecting piece is provided with a first limiting hole, the second connecting piece is provided with a second limiting hole, and the first limiting hole can be used when the first connecting piece is clamped on the second connecting piece Corresponding to the position of the second limiting hole; the limiting pin is used to pass through the first limiting hole and the second limiting hole when the first connecting piece is clamped on the second connecting piece to limit the relative relationship between the first connecting piece and the second limiting hole. The second connecting piece rotates to a non-preset position. The first connecting piece has a plurality of first limiting grooves spaced apart along the circumferential direction. Each of the first limiting grooves has a first groove portion and a second groove. part, the notch size of the first groove part is larger than the notch size of the second groove part, and the second groove part has a "["-shaped limiting area; the second connecting piece has a space corresponding to the first limiting areas. There are a plurality of first clamping blocks corresponding to the slots one by one, and each first clamping block has a first clamping end protruding radially outward; each first clamping end can be axially close to the second connecting piece on the first connecting piece. The connecting piece is inserted into the first groove portion of the corresponding first limiting groove during the connecting process, and each first snap-connecting end can rotate to a preset position relative to the second connecting piece after the first connecting piece approaches the second connecting piece. During the process, the first groove part of the corresponding first limiting groove slides to the second groove part, so that the first clamping end is clamped on the part of the second groove part located in the limiting area.

Furthermore, in a preferred embodiment of the present invention, the first connecting member further includes a plurality of second clamping blocks, and the second connecting member further includes a plurality of second limiting grooves.

Further, in a preferred embodiment of the present invention, the second tube body is provided with at least one engaging mechanism, the engaging mechanism includes a engaging piece and a buckle, and the engaging piece is fixedly arranged on the On the outer side wall of the second pipe body, the buckle is fixedly provided on the external bracket, and the buckle cooperates with the engaging piece to fix the combined pipe and the external bracket.

Further, in a preferred embodiment of the present invention, the engaging piece is provided with a through hole, the buckle includes a buckle body and a lock body, the buckle body is inserted into the through hole, and the lock The body matches the buckle body.

Furthermore, in a preferred embodiment of the present invention, there are two engaging mechanisms.

Furthermore, in a preferred embodiment of the present invention, at least one engaging mechanism is provided on the first tube body.

The beneficial effects of the present invention are: when using the combined pipe obtained by the above design, the second end of the first pipe body and the second end of the second pipe body are opposite, and the first connecting piece and the second connecting piece are The parts are axially close to each other. When the first connecting piece is close to the second connecting piece, the first connecting piece is rotated to a preset position relative to the second connecting piece to be engaged with the second connecting piece, so that the second end of the first pipe body is connected to the second connecting piece. The second end of the diode body. At this point, the quick connection between the first pipe body and the second pipe body is completed. When disassembly is required, the first connecting piece only needs to be rotated in the opposite direction relative to the second connecting piece, so that the first connecting piece and the second connecting piece can be disengaged to complete the first pipe body and the second pipe body. Body disassembly. At the same time, in order to prevent the first connecting piece and the second connecting piece from being separated from each other due to vibration and other factors after the first pipe body and the second pipe body are connected, when the first connecting piece rotates relative to the second connecting piece to the preset After the position is reached, the limiting pin can be passed through the first limiting hole and the second limiting hole at the same time to limit the rotation of the first connecting member relative to the second connecting member to a non-preset position. Prevent the first connecting piece and the second connecting piece from being separated.

Description of the drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore do not It should be regarded as a limitation of the scope. For those of ordinary skill in the art, other relevant drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of a combined pipeline from a first perspective according to an embodiment of the present invention;

Figure 2 is a partial structural schematic diagram of a combined pipeline according to an embodiment of the present invention;

Figure 3 is a schematic structural diagram of a first connector in a combined pipeline according to an embodiment of the present invention;

Figure 4 is a schematic structural diagram of a second connector in a combined pipeline according to an embodiment of the present invention;

Figure 5 is a schematic structural diagram of an engaging mechanism in a combined pipe according to an embodiment of the present invention; icon:

First tube body 1

First connector 2

First limit slot 21

First groove part 211

Second groove part 212

Second block 22

First limit hole 23

Second connector 3

Second limit slot 31

First block 32

First card terminal 321

Second limit hole 33

Second tube body 4

Locking mechanism 5

Card 51

Buckle 52

Button body 521

Lock body 522

Limit pin 6

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention. Accordingly, the following detailed description of embodiments of the invention provided in the appended drawings is not intended to limit the scope of the claimed invention, but rather to represent selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " The directions indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" etc. or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation of the present invention.

In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more than two, unless otherwise explicitly and specifically limited.

In the present invention, unless otherwise clearly stated and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interaction between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the present invention, unless otherwise expressly provided and limited, the term "above" or "below" a first feature of a second feature may include direct contact between the first and second features, or may also include the first and second features. Not in direct contact but through additional characteristic contact between them. Furthermore, the terms "above", "above" and "above" a first feature on a second feature include the first feature being directly above and diagonally above the second feature, or simply mean that the first feature is higher in level than the second feature. “Below”, “under” and “under” the first feature is the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature is less horizontally than the second feature.

Referring to Figures 1-5, this embodiment provides a combined pipeline, including a first pipe body 1, a second pipe body 4, and a connecting mechanism for connecting the first pipe body 1 and the second pipe body 4; the connection The mechanism includes a first connecting piece 2, a second connecting piece 3, and a limiting pin 6; after the first connecting piece 2 is inserted from the first end of the first pipe body 1 in the axial direction, it cannot be removed from the first end of the first pipe body 1. The two ends are detached, and the second connecting piece 3 cannot be detached from the second end of the second pipe body 4 after being inserted into the first end of the second pipe body 4 along the axial direction; the first connection after being inserted into the first pipe body 1 The first connecting piece 2 and the second connecting piece 3 inserted into the second pipe body 4 can be axially close to each other, and the first connecting piece 2 can rotate relative to the second connecting piece 3 to the predetermined position after being axially close to the second connecting piece 3. The position is set to snap onto the second connecting piece 3 so that the second end of the first pipe body 1 is connected to the second end of the second pipe body 4; the first connecting piece 2 is provided with a first limiting hole. 23. The second connecting member 3 is provided with a second limiting hole 33, and the first limiting hole 23 can correspond to the second limiting hole 33 when the first connecting member 2 is clamped on the second connecting member 3. position; the limiting pin 6 is used to pass through the first limiting hole 23 and the second limiting hole 33 when the first connecting piece 2 is clamped on the second connecting piece 3 to limit the relative position of the first connecting piece 2 to the second The connecting piece 3 is rotated to a non-preset position.

When this embodiment is used, the second end of the first pipe body 1 and the second end of the second pipe body 4 are opposed to each other, and the first connecting member 2 and the second connecting member 3 are axially close to each other. When the first connecting member 2 is close to the second connecting member 3, the first connecting member 2 rotates to a preset position relative to the second connecting member 3 to engage with the second connecting member 3, so that the first pipe body 1 The second end is connected to the second end of the second pipe body 4 . At this point, the quick connection between the first pipe body 1 and the second pipe body 4 is completed. When disassembly is required, the first connecting member 2 only needs to be rotated in the opposite direction relative to the second connecting member 3, so that the first connecting member 2 and the second connecting member 3 can be disengaged to complete the first pipe body. 1 and the disassembly of the second pipe body 4. At the same time, in order to prevent the first connecting piece 2 and the second connecting piece 3 from being separated from each other due to vibration and other factors after the first pipe body 1 and the second pipe body 4 are connected, when the first connecting piece 2 is relative to the second connecting piece 3 After rotating to the preset position, the limit pin 6 can be passed through the first limit hole 23 and the second limit hole 33 at the same time to limit the rotation of the first connector 2 relative to the second connector 3 to a non-preset position. s position. Prevent the first connecting member 2 and the second connecting member 3 from being separated.

Further, in this embodiment, the first connecting member 2 has a plurality of first limiting grooves 21 spaced apart along the circumferential direction, and each of the first limiting grooves 21 has a first groove portion 211 and a second The groove portion 212 has a groove size of the first groove portion 211 larger than that of the second groove portion 212, and the second groove portion 212 has a “[”-shaped limiting area; the second connector 3 has a The first limiting grooves 21 correspond to a plurality of first clamping blocks 32 one-to-one, and each first clamping block 32 has a first clamping end 321 protruding radially outward; each first clamping end 321 can When the first connecting member 2 approaches the second connecting member 3 in the axial direction, it is inserted into the corresponding first groove portion 211 of the first limiting groove 21 , and each first snap-in end 321 can be in the first connecting member. 2. When approaching the second connecting member 3 and rotating to the preset position relative to the second connecting member 3, it slides from the first groove portion 211 of the corresponding first limiting groove 21 to the second groove portion 212, so that The first clamping end 321 is clamped on the portion of the second groove portion 212 located in the limiting area.

When the first connecting member 2 and the second connecting member 3 are relatively close to each other, the first clamping block 32 will be inserted into the first groove portion 211 of the first limiting groove 21 . Rotate the first connecting member 2 relative to the second connecting member 3 so that the first clamping block 32 enters the second groove portion 212 of the first limiting groove 21. At this time, the first clamping end 321 of the first clamping block 32 It will cooperate with the limiting area of the second groove portion 212 to make the first connecting member 2 and the second connecting member 3 snap together. When disassembling, just reverse the operation.

Furthermore, in this embodiment, the first connecting member 2 further includes a plurality of second blocking blocks 22 , and the second connecting member 3 further includes a plurality of second limiting grooves 31 .

Further, in this embodiment, the second tube body 4 is provided with an engaging mechanism 5. The engaging mechanism 5 includes an engaging piece 51 and a buckle 52. The engaging piece 51 is fixedly provided on the On the outer wall of the second pipe body 4, the buckle 52 is fixedly arranged on the external bracket, and the buckle 52 and the engaging piece 51 cooperate with each other so that the combined pipe and the external bracket are connected. fixed. The engaging piece 51 is provided with a through hole. The buckle 52 includes a buckle body 521 and a lock body 522. The buckle body 521 is inserted into the through hole. The lock body 522 and the buckle body 521 matches. There are two engaging mechanisms 5 , and they are arranged oppositely on both sides of the outer wall of the second tube body 4 .

The engaging mechanism 5 can fix the second pipe body 4 with the external bracket, making the installation of the combined pipe more stable. At the same time, the through hole on the engaging piece 51 cooperates with the buckle body 521 to prevent the second pipe body 4 from moving in the axial direction. Even if the first connecting piece 2 and the second connecting piece 3 are separated from each other, the second pipe body 4 It will not move relative to the external bracket, greatly increasing the safety factor.

The first pipe body 1 can also be provided with the same engaging mechanism 5 as the second pipe body 4 to make the connection between the combined pipe and the external bracket more stable.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims (6)

1. A combined pipeline, characterized in that it includes a first pipe body, a second pipe body and a connecting mechanism for connecting the first pipe body and the second pipe body; the connecting mechanism includes a first connecting piece, a second The connecting piece, and the limiting pin; the first connecting piece and the second connecting piece have the same structure; the first connecting piece cannot be inserted from the second end of the first pipe body in the axial direction. end is separated, the second connecting piece cannot be separated from the second end of the second pipe body after being inserted into the first end of the second pipe body along the axial direction; the first connecting piece after being inserted into the first pipe body and the second connecting piece after being inserted into the second pipe body The second connecting piece behind the two tube bodies can be axially close to the second connecting piece, and the first connecting piece can be rotated relative to the second connecting piece to a preset position to snap into the second connecting piece after being axially close to the second connecting piece. so that the second end of the first pipe body is connected to the second end of the second pipe body; the first connecting piece is provided with a first limiting hole, the second connecting piece is provided with a second limiting hole, and The first limiting hole can correspond to the position of the second limiting hole when the first connecting piece is clamped on the second connecting piece; the limiting pin is used to pass through when the first connecting piece is clamped on the second connecting piece. through the first limiting hole and the second limiting hole to limit the rotation of the first connecting member relative to the second connecting member to a non-preset position; the first connecting member has a plurality of first limiting holes arranged at intervals along the circumference. position slot, each of the first limiting slots has a first slot part and a second slot part, the slot size of the first slot part is larger than the slot size of the second slot part, and the second slot part has a shape of "[" The second connecting member has a plurality of first clamping blocks corresponding to the first limiting grooves, and each first clamping block has a first clamping block protruding radially outward. end; each first snap-in end can be inserted into the first groove portion of the corresponding first limiting groove when the first connector approaches the second connector in the axial direction, and each first snap-in end can When a connecting piece is close to the second connecting piece and rotates relative to the second connecting piece to a preset position, it slides from the first groove portion of the corresponding first limiting groove to the second groove portion, so that the first locking member The terminal is clamped on the portion of the second groove portion located in the limiting area. 2. The combined pipe according to claim 1, wherein the first connecting member further includes a plurality of second clamping blocks, and the second connecting member further includes a plurality of second limiting grooves. 3. The combined pipe according to claim 1, characterized in that the second pipe body is provided with at least one engaging mechanism, the engaging mechanism includes an engaging piece and a buckle, and the engaging piece is fixed The buckle is provided on the outer wall of the second pipe body, and the buckle is fixedly provided on the external bracket. The buckle cooperates with the engaging piece to fix the combined pipe and the external bracket. . 4. The combined pipe according to claim 3, wherein the engaging piece is provided with a through hole, the buckle includes a buckle body and a lock body, and the buckle body is inserted into the through hole, The lock body matches the buckle body. 5. The combined pipe according to claim 3, characterized in that there are two engaging mechanisms. 6. The combined pipe according to claim 3, wherein at least one engaging mechanism is provided on the first pipe body.