CN212868837U

CN212868837U - Pipeline direct joint

Info

Publication number: CN212868837U
Application number: CN202021352511.7U
Authority: CN
Inventors: 冯勇
Original assignee: Suzhou Jieyou Fluid Technology Co ltd
Current assignee: Suzhou Jieyou Fluid Technology Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-04-02
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a pipeline direct joint belongs to the pipeline connection technology field, and the pipeline direct joint includes first clamp body, second clamp body, sealing washer and pipe snap ring, and the both ends of first clamp body and the both ends of second clamp body can be dismantled one by one and connect, all sets up the first draw-in groove that the position corresponds each other on the inner wall of first clamp body and second clamp body, and every pipe snap ring joint is in the first draw-in groove of first clamp body and second clamp body simultaneously, and the pipe snap ring includes at least two joint spare, and the joint spare includes joint body, two curb plates and latch, and the joint body is half-circle ring structure; one side of each side plate is connected to the two opposite sides of the clamping body respectively, and the two side plates extend towards the central axis direction of the clamping body; one side that the joint body was kept away from to two curb plates all distributes along the circumference of curb plate has a plurality of latches. The utility model discloses joint spare is more reliable with the pipe connection, but the stamping forming of joint spare has reduced manufacturing cost.

Description

Pipeline direct joint

Technical Field

The utility model relates to a pipe connection technical field especially relates to a pipeline lug joint.

Background

There are various pipe direct joints for connecting fluids, but the conventional pipe direct joints have problems in that the pipe connection speed is slow, and after the connection, the pipe and the joint are not firmly connected, and axial displacement may occur therebetween. One of the reasons for the insecure connection of the existing joint and the pipeline lies in that when the joint is connected with the pipeline, the connection of a snap ring in the joint and the pipeline is not firm enough, the structure of the existing snap ring is an arc with three quarters of a circle, a latch is arranged in the middle of the inner wall of the snap ring, when the joint is connected with the pipeline, the latch is clamped on the outer wall of the pipeline, and the latch and the clamping pressure of the outer wall of the pipeline are not firm enough. In addition, the existing clamping ring needs to be machined through turning, so that machining is inconvenient, and production cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline lug joint can reliably be connected with the pipeline, reduction in production cost.

To achieve the purpose, the utility model adopts the following technical proposal:

a pipeline direct joint comprises a first clamp body, a second clamp body and sealing rings, wherein two ends of the first clamp body and two ends of the second clamp body are detachably connected one by one, the sealing rings are arranged between the first clamp body and the second clamp body, first clamping grooves with mutually corresponding positions are formed in the inner walls of the first clamp body and the second clamp body, the pipeline direct joint further comprises pipe clamping rings, each pipe clamping ring is clamped in the first clamping grooves of the first clamp body and the second clamp body at the same time, each pipe clamping ring comprises at least two clamping pieces, each clamping piece comprises a clamping body, two side plates and clamping teeth, and the clamping body is of a semi-circular structure; one side of each side plate is connected to the two opposite sides of the clamping body respectively, and the two side plates extend towards the central axis direction of the clamping body; two one side that the curb plate was kept away from the joint body all follows the circumference of curb plate distributes has a plurality of latches.

Optionally, one side of the side plate, which is far away from the clamping body, is inclined towards one side of the side plate, which is far away from the clamping body, and the side plate is inclined towards the other side of the side plate.

Optionally, every pipe snap ring includes two joint spare, every two of pipe snap ring joint spare difference joint is in first clamp body with the second clamp body in the first draw-in groove.

Optionally, spaced apart on the inner wall of first clamp body is equipped with two first draw-in groove, two on the first clamp body first draw-in groove is located respectively the both ends of sealing washer, seted up on the inner wall of second clamp body two with two on the first clamp body first draw-in groove one-to-one first draw-in groove, every the joint has one respectively in the first draw-in groove the joint spare.

Optionally, the sealing washer includes annular seal and spacing bulge loop, the inner wall of seal is provided with spacing bulge loop, the internal diameter of spacing bulge loop is less than the external diameter of connecting the pipeline.

Optionally, the sealing ring further comprises an annular protruding portion, an outer wall of the protruding portion is connected to an inner wall of the sealing body, and the inner wall of the protruding portion is connected to an outer wall of the limiting convex ring.

Optionally, the inner wall of the sealing body is corrugated and distributed along the central axis direction of the sealing body.

Optionally, one side of the first clip body is hinged to one side of the second clip body.

Optionally, one side of first clamp body is provided with first go-between, the second clamp body with one side of first clamp body coupling is provided with the second go-between, first clamp body with the second clamp body is through passing first go-between with the first connecting piece of second go-between is articulated.

Optionally, the opposite side of first clamp body is provided with first lug, the second clamp body with first clamp body is provided with one side that first lug is connected is provided with the second lug, first lug with the connecting hole has all been seted up on the second lug, first clamp body with the second clamp body is through wearing to establish second connecting piece in the connecting hole is connected.

The utility model has the advantages that:

the utility model discloses a first clamp body, the second clamp body, sealing washer and pipe clamp ring, the connection can be dismantled one by one at the both ends of first clamp body and the both ends of second clamp body, the sealing washer sets up between first clamp body and second clamp body, first draw-in groove that the position corresponds each other all is seted up on the inner wall of first clamp body and second clamp body, the pipe clamp ring includes two at least joint spare, equal joint has joint spare in each first draw-in groove, joint spare includes joint body, two curb plates and latch, the joint body is half-circle ring structure, one side of two curb plates is connected respectively in the relative both sides of joint body, and two curb plates all extend to the central axis direction of joint body, one side that two curb plates kept away from the joint body all is provided with a plurality of latches at intervals; the clamping pieces can be reliably clamped and pressed with the outer wall of the pipeline through the arrangement of at least two clamping pieces, so that the condition that the inner wall of the pipe clamping ring cannot be reliably clamped and pressed with the outer wall of the pipeline tightly due to machining errors or abrasion is avoided; the clamping teeth are arranged on the two side plates, and one clamping piece can clamp the pipeline at two positions to form multi-point clamping pressure of the clamping piece, so that the pipeline is connected more firmly; furthermore, the utility model discloses a joint spare can be through stamping forming, the processing of being convenient for to can reduction in production cost.

Drawings

Fig. 1 is a schematic perspective view of a first clamp body and a second clamp body of a direct pipe joint according to an embodiment of the present invention in an unconnected state;

fig. 2 is a schematic perspective view of a pipe and a first clamp body and a second clamp body of a direct pipe joint according to an embodiment of the present invention in an unconnected state;

fig. 3 is a schematic perspective view of a clip member according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional structure diagram of a seal ring and a pipe according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a seal ring and a pipe according to another embodiment of the present invention;

fig. 6 is a schematic perspective view of a first clamp body and a second clamp body according to an embodiment of the present invention.

In the figure:

1. a first clamp body; 11. a first lug; 12. a first connecting ring; 2. a clamping piece; 21. clamping the body; 22. a side plate; 221. clamping teeth; 3. a second clamp body; 31. a second lug; 32. a second connection ring; 4. a seal ring; 41. a seal body; 42. a boss portion; 43. a limit convex ring; 44. a seal ring; 5. a pipeline; 6. a first card slot; 7. and a second card slot.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention will be further explained by the following embodiments with reference to fig. 1 to 6.

This embodiment provides a pipeline lug joint, as shown in fig. 1 to 4, pipeline lug joint includes first clamp body 1, second clamp body 3, sealing washer 4 and pipe snap ring, the connection can be dismantled one by one at the both ends of first clamp body 1 and the both ends of second clamp body 3, sealing washer 4 sets up between first clamp body 1 and second clamp body 3, all set up the first draw-in groove 6 that the position corresponds each other on the inner wall of first clamp body 1 and second clamp body 3, every pipe snap ring joint is in the first draw-in groove 6 of first clamp body 1 and second clamp body 3 simultaneously.

Each pipe clamp ring comprises at least two clamp pieces 2, each clamp piece 2 comprises a clamp body 21, two side plates 22 and a clamp tooth 221, and the clamp body 21 is of a semicircular annular structure. One side of the two side plates 22 is connected to two opposite sides of the clamping body 21, and the two side plates 22 extend towards the central axis of the clamping body 21. One side of each side plate 22 far away from the clamping body 21 is distributed with a plurality of clamping teeth 221 along the circumferential direction of the side plate 22.

This embodiment can make the reliable card of joint spare 2 and pipeline 5's outer wall press through the setting of two at least joint spares 2, has avoided the circumstances of the inseparable card of outer wall with pipeline 5 that the inner wall of pipe strap that causes because machining error or wearing and tearing can not be reliable. Through all being provided with latch 221 on two curb plates 22, a joint spare 2 can carry out two chunkings to pipeline 5, forms joint spare multiple spot card and presses, makes pipeline 5 connect more firmly. Furthermore, the utility model discloses a joint spare 2 can be through stamping forming, the processing of being convenient for to can reduction in production cost.

In order to enable the latch 221 on the two side plates 22 to be more stably abutted against the pipeline 5, one side of each of the two side plates 22, which is far away from the clamping body 21, is obliquely arranged towards one side of each of the two side plates 22, which is far away from each other.

Optionally, each pipe clamp ring comprises two clamping pieces 2, and the two clamping pieces 2 of each pipe clamp ring are clamped in the first clamping grooves 6 of the first clamp body 1 and the second clamp body 3 respectively. The both ends of every joint spare 2 all are provided with dodges the mouth, and the both ends of two joint spare 2 do not set up latch 221 promptly to be convenient for first clamp body 1 and the connection of second clamp body 3. Joint spare 2 sets up to two when can making joint spare 2 and pipeline 5 reliably be connected, the installation of joint spare 2 of being convenient for. However, the number of the clips 2 is not limited to the present invention, and for example, three, four or five clips 2 may be provided.

In order to more reliably fix the pipeline 5, as shown in fig. 1 and fig. 2, two first clamping grooves 6 are formed in the inner wall of the first clamp body 1 at intervals, the two first clamping grooves 6 in the first clamp body 1 are respectively located on two sides of the sealing ring 4, two first clamping grooves 6 in one-to-one correspondence with the two first clamping grooves 6 in the first clamp body 1 are formed in the inner wall of the second clamp body 3, and each first clamping groove 6 is internally and respectively clamped with one clamping piece 2. The two pipes 5 connected by the pipe direct joint in the embodiment can be reliably fixed.

As shown in fig. 4, the sealing ring 4 includes an annular sealing body 41 and a limit protruding ring 43, the inner wall of the sealing body 41 is provided with the limit protruding ring 43, and the inner diameter of the limit protruding ring 43 is smaller than the outer diameter of the connected pipeline 5. Specifically, second draw-in groove 7 has all been seted up on the inner wall of first clamp body 1 and second clamp body 3, during connecting

tube

5, 4 joints of sealing washer are in two second draw-in grooves 7, and spacing bulge loop 43 joints are between two pipelines 5 that will connect, and pipeline 5 that spacing bulge loop 43 can carry out the axial spacing to can improve sealed effect.

In this embodiment, the inner wall at seal 41 both ends all is connected with sealing ring 44, and the one end that sealing ring 44 kept away from seal 41 all sets up to the middle part slope of sealing washer 4, and the setting of sealing ring 44 can make sealing washer 4 and pipeline 5 closely laminate, improves sealed effect, can also be convenient for pipeline 5 insert in sealing washer 4.

In order to increase the connection strength between the limit protruding ring 43 and the sealing body 41, the sealing ring 4 further includes an annular protruding portion 42, an outer wall of the protruding portion 42 is connected to an inner wall of the sealing body 41, and an inner wall of the protruding portion 42 is connected to an outer wall of the limit protruding ring 43. It is understood that the length of the boss 42 in the direction of the central axis of the seal ring 4 is greater than the length of the stopper ring 43, and the stopper ring 43 is provided in the middle of the boss 42. The convex portion 42 serves as a transition, and the connection strength of the stopper convex ring 43 can be improved.

In another embodiment, as shown in fig. 5, the inner wall of sealing element 41 has a corrugated shape that is distributed along the central axis direction of sealing element 41, and the sealing effect of sealing element 41 can be improved by providing the convex portions and the concave portions on the inner wall of sealing element 41.

As shown in fig. 6, one side of the first band body 1 is hinged to one side of the second band body 3, which can facilitate the connection of the first band body 1 and the second band body 3.

Specifically, a first connection ring 12 is provided at one side of the first band body 1, a second connection ring 32 is provided at one side of the second band body 3 connected to the first band body 1, and the first band body 1 and the second band body 3 are hinged by a first connection member passing through the first connection ring 12 and the second connection ring 32. Optionally, the first connector is a pin.

Specifically, the opposite side of first clamp body 1 is provided with first lug 11, and the one side that second clamp body 3 and first clamp body 1 are provided with first lug 11 and are connected is provided with second lug 31, has all seted up the connecting hole on first lug 11 and the second lug 31, and first clamp body 1 and second clamp body 3 are connected through the second connecting piece of wearing to establish in the connecting hole. Optionally, the second connector is a bolt.

The pipeline lug joint in this embodiment can reliably be connected in the pipeline 5 that connects through the setting of joint spare 2, and joint spare 2 is convenient for process, can reduction in production cost. In addition, the arrangement of the sealing ring 4 can limit the position of the connected pipeline 5 and improve the sealing effect.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A direct joint for a pipeline comprises a first clamp body (1), a second clamp body (3) and a sealing ring (4), the two ends of the first clamp body (1) are detachably connected with the two ends of the second clamp body (3) one by one, the sealing ring (4) is arranged between the first clamp body (1) and the second clamp body (3), it is characterized in that the inner walls of the first clamp body (1) and the second clamp body (3) are respectively provided with a first clamping groove (6) with the corresponding positions, pipeline lug joint still includes the pipe snap ring, every the joint is in simultaneously of pipe snap ring first clamp body (1) with second clamp body (3) in first draw-in groove (6), every the pipe snap ring includes two at least joint spare (2), joint spare (2) include:

the clamping body (21), the clamping body (21) is of a semicircular annular structure;

the clamping body (21) is provided with two side plates (22), one sides of the two side plates (22) are respectively connected to two opposite sides of the clamping body (21), and the two side plates (22) extend towards the direction of the central axis of the clamping body (21); and

latch (221), two curb plate (22) are kept away from one side of joint body (21) all follows the circumference of curb plate (22) distributes and has a plurality of latches (221).

2. The direct pipe connection according to claim 1, characterized in that the two side plates (22) are arranged obliquely to the side of the two side plates (22) facing away from each other, on the side of the two side plates (22) facing away from the clamping body (21).

3. The direct pipe joint according to claim 1, wherein each pipe clamp ring comprises two of said clamping members (2), and wherein the two clamping members (2) of each pipe clamp ring are clamped in the first clamping grooves (6) of the first clamp body (1) and the second clamp body (3), respectively.

4. The direct pipe joint according to claim 1, wherein the first clamp body (1) has two first clamping grooves (6) spaced apart from each other on an inner wall thereof, the two first clamping grooves (6) on the first clamp body (1) are respectively located at two ends of the sealing ring (4), the second clamp body (3) has two first clamping grooves (6) on the inner wall thereof, one-to-one correspondence with the two first clamping grooves (6) on the first clamp body (1) is formed on the inner wall thereof, and one clamping member (2) is clamped in each first clamping groove (6).

5. The direct pipe joint according to claim 1, characterized in that said sealing ring (4) comprises:

an annular seal body (41); and

the limiting convex ring (43) is arranged on the inner wall of the sealing body (41), and the inner diameter of the limiting convex ring (43) is smaller than the outer diameter of the connected pipeline (5).

6. The pipe direct connection according to claim 5, characterized in that the sealing ring (4) further comprises:

the outer wall of the bulge part (42) is connected to the inner wall of the sealing body (41), and the inner wall of the bulge part (42) is connected to the outer wall of the limiting convex ring (43).

7. The direct pipe joint according to claim 5, wherein the inner wall of said sealing body (41) is corrugated along the central axis of said sealing body (41).

8. Pipe direct connection according to any of claims 1-7, characterized in that one side of the first clamp body (1) is hinged to one side of the second clamp body (3).

9. The direct pipe joint according to claim 8, wherein a first connection ring (12) is provided at one side of the first band body (1), and a second connection ring (32) is provided at one side of the second band body (3) connected to the first band body (1), and the first band body (1) and the second band body (3) are hinged by a first connection member passing through the first connection ring (12) and the second connection ring (32).

10. The direct pipe joint according to claim 9, wherein a first lug (11) is disposed on the other side of the first clamp body (1), a second lug (31) is disposed on the side of the second clamp body (3) connected to the first clamp body (1) where the first lug (11) is disposed, connecting holes are formed in the first lug (11) and the second lug (31), and the first clamp body (1) and the second clamp body (3) are connected through a second connecting member inserted into the connecting holes.