CN111853404B

CN111853404B - Pipeline connecting joint

Info

Publication number: CN111853404B
Application number: CN202010763901.1A
Authority: CN
Inventors: 邵玉强; 请求不公布姓名
Original assignee: Henan Sikaite Automobile Pipeline Co ltd
Current assignee: Henan Sikaite Automobile Pipeline Co ltd
Priority date: 2020-08-01
Filing date: 2020-08-01
Publication date: 2023-05-09
Anticipated expiration: 2040-08-01
Also published as: CN111853404A

Abstract

The invention relates to a pipe connection joint, comprising: the male joint that can mutually joint connects with the female joint, the male joint includes: the plug body, left check valve subassembly, top cover, lockpin, sliding sleeve, first elastic component, female joint includes: the invention has the advantages that: by arranging the locking component, the quick connection and disassembly of the pipeline can be realized, and the pipeline can be reliably kept at the connection position under the action of the pressure in the pipeline, so that the installation and the maintenance are convenient and quick; the invention has simple structure, saves cost, and is safe and reliable.

Description

Pipeline connecting joint

Technical Field

The invention belongs to the field of pipeline connection, and particularly relates to a pipeline connection joint.

Background

At present, three modes are generally adopted for the connection method of the pipeline. The first type is a fixed flange connection mode, the fixed flange is used for butting different pipelines by using a connecting bolt, and the connecting mode and the connecting structure have the problems of troublesome processing and installation and easy leakage at the joint. The convenient and quick connection is difficult to realize due to complex and complicated pipe fitting structure. Secondly, a welding method is adopted, the method is influenced by the environment and a conveying medium, and welding defects such as stress concentration, sand holes, air holes, cracks and the like are easy to occur after welding, so that hidden danger of pipeline leakage exists; and the construction site needs necessary equipment, and is inconvenient to install and maintain. Thirdly, adopt slot pipe fitting connected mode, traditional slot pipe fitting has following problem, when cutting the pipe, the tangent plane is uneven, and the tangent plane can leave the blank, and is not smooth, and the tangent plane needs to be maintained this moment, and the time that the tangent plane was maintained needs is long, and is with high costs, in addition, can harm the pipe quality when notching, and this kind of connected mode needs the body to have certain thickness, is not suitable for the body connection of pipe wall thinness, and in addition, the buckling part is the concave part, reduces the pipeline space, reduces the flow. The three connection modes have the defects of inconvenient operation, difficult maintenance, more consumed man-hours, high labor intensity, high finished product consumption rate and the like.

Disclosure of Invention

Based on the above, it is necessary to provide a pipe connection joint which is quick to operate and convenient to maintain.

The invention discloses a pipeline connecting joint, which comprises: a male connector and a female connector which can be mutually clamped,

the male connector includes: the novel anti-theft socket comprises a socket body, a left one-way valve assembly, a top sleeve, a lock pin, a sliding sleeve and a first elastic piece, wherein a first installation cavity and a first channel communicated with the first installation cavity are formed in the socket body along the axis direction, an annular groove is further formed in the socket body perpendicular to the axis direction, an L-shaped through groove is formed in the side face of the socket body, the L-shaped through groove is communicated with the annular groove, the left one-way valve assembly is arranged in the first installation cavity and used for controlling the on-off of the first installation cavity and the first channel, and the top sleeve is slidably arranged in the annular groove; the lock pin passes through the L-shaped through groove and is fixedly connected with the top sleeve, the lock pin can slide in the L-shaped through groove so as to drive the top sleeve to slide or rotate along the axial direction of the plug body, the sliding sleeve is sleeved outside the plug body and is fixedly connected with the lock pin, the side surface of the plug body is provided with an annular boss, the first elastic piece is arranged between the annular boss and the sliding sleeve, the side surface of the plug body is also provided with a clamping ring groove,

the female connector includes: the connecting body is in threaded connection with one end of the ring sleeve, a second installation cavity and a second channel communicated with the second installation cavity are formed in the connecting body, the right one-way valve assembly is arranged in the second installation cavity and used for controlling the on-off of the second installation cavity and the second channel, the locking assembly is arranged at the left end of the connecting body and can be clamped in the clamping ring groove, so that the male connector and the female connector are clamped,

the locking assembly comprises a lock rod, a first plug and a second plug, wherein the middle of the lock rod is rotatably connected to the connector, the first plug and the second plug are slidably arranged on the connector, the first plug and the second plug are respectively abutted to two ends of the lock rod, the first plug can extend out of the left end face of the connector to be abutted to the right end face of the connector, the second plug can extend out of the left end face of the connector to be abutted to the top sleeve, when the lock rod is perpendicular to the axis direction of the connector, the lock rod can extend into the clamping ring groove to enable the connector to be clamped with the connector, and the second plug can be controlled to control the angle of the lock rod by controlling the top sleeve to stretch out and draw back so as to control the clamping state of the lock rod and the clamping ring groove.

In one embodiment, the lock pin is pushed to move to the right end of the L-shaped through groove, so that the top sleeve extends towards the connector, and then the plug body is pushed towards the connector, and the top sleeve can push the second plug, so that the lock rod rotates and is separated from the clamping ring groove.

In one embodiment, the left check valve assembly includes a left valve core, a first annular supporting plate and a second elastic element, the right end of the left valve core is provided with a left sealing boss, the first annular supporting plate is fixed in the first installation cavity and is positioned at the left side of the left valve core, and the second elastic element is arranged between the left valve core and the first annular supporting plate, so that the left sealing boss of the left valve core is abutted to the right end of the first installation cavity to block the first installation cavity and the first channel.

In one embodiment, the right check valve assembly includes a right valve core, a second annular supporting plate and a third elastic element, the left end of the right valve core is provided with a right sealing boss, the second annular supporting plate is fixed in the second installation cavity and is located on the right side of the right valve core, the third elastic element is arranged between the right valve core and the second annular supporting plate, so that the right sealing boss is abutted to the left end of the second installation cavity to block the second installation cavity from being communicated with the second channel, the left side of the right sealing boss is provided with an abutting rod, and after the male connector is clamped with the female connector, the abutting rod extends into the first channel and abuts against the left sealing boss to enable the first installation cavity to be communicated with the first channel, and meanwhile, the second installation cavity is communicated with the second channel.

In one embodiment, a first middle cavity is formed between the right end of the left valve core and the right end of the first installation cavity, the left sealing boss is used for controlling the on-off of the first middle cavity and the first channel, a first through hole is formed in the left valve core, and the first through hole is communicated with the left end of the first installation cavity and the first middle cavity.

In one embodiment, a second middle cavity is formed between the left end of the right valve core and the left end of the second installation cavity, the right sealing boss is used for controlling the on-off of the second middle cavity and the second channel, a second through hole is formed in the right valve core, and the second through hole is communicated with the right end of the second installation cavity and the second middle cavity.

In one embodiment, a third through hole is formed in the side face of the first channel, and the third through hole can be used for communicating the first channel with the second channel.

In one embodiment, the locking assembly further comprises a clamping unit, the clamping unit comprises a first pit arranged on the side face of the first plug, and a second pit arranged on the side face of the second plug, when the lock rod is in a vertical state, the clamping unit is clamped with the second pit, and when the lock rod is separated from the clamping ring groove, the clamping unit is clamped with the first pit.

In one embodiment, the clamping unit comprises a first clamping ball, a fourth elastic piece and a second clamping ball, the fourth elastic piece is arranged between the first clamping ball and the second clamping ball, the first clamping ball is abutted to the side face of the first plug and can be clamped into the first pit, and the second clamping ball is abutted to the side face of the second plug and can be clamped into the second pit.

The invention has the advantages that: by arranging the locking component, the quick connection and disassembly of the pipeline can be realized, and the pipeline can be reliably kept at the connection position under the action of the pressure in the pipeline, so that the installation and the maintenance are convenient and quick; the invention has simple structure, saves cost, and is safe and reliable.

Drawings

FIG. 1 is a cross-sectional view of a pipe connection fitting provided by the present invention;

FIG. 2 is a cross-sectional view of a male connector of a pipe connection connector provided by the present invention;

FIG. 3 is a perspective view of a plug body of a pipe connection joint according to the present invention;

FIG. 4 is a cross-sectional view of a female connector of a pipe connection connector provided by the present invention;

FIG. 5 is an enlarged view of a portion of the portion A according to FIG. 4 provided by the present invention;

fig. 6 to 9 are half sectional views of a pipe connection joint according to the present invention in different working states.

In the drawing, the male connector 1, the plug 11, the first mounting cavity 111, the first channel 112, the annular groove 113, the L-shaped through groove 114, the annular boss 115, the snap-in annular groove 116, the first middle cavity 117, the first through hole 118, the third through hole 119, the left check valve assembly 12, the left valve spool 121, the left seal boss 1211, the first annular support plate 122, the second elastic member 123, the top cover 13, the lock pin 14, the sliding sleeve 15, the first elastic member 16, the female connector 2, the annular sleeve 21, the connector 22, the second mounting cavity 221, the second channel 222, the second middle cavity 223, the second through hole 224, the right check valve assembly 23, the right valve spool 231, the right seal boss 2311, the butt rod 2312, the second annular support plate 232, the third elastic member 233, the lock assembly 24, the lock lever 241, the first plug 242, the first concave pit 2421, the second plug 243, the second concave pit 2431, the snap-in unit 244, the first snap-in ball 2441, the fourth elastic member 2442, and the second snap-in ball 2443.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, the present invention discloses a pipe connection joint, which includes: a male connector 1 and a female connector 2 which can be mutually clamped,

as shown in fig. 2 and 3, the male connector 1 includes: the novel anti-theft socket comprises a socket body 11, a left one-way valve assembly 12, a top sleeve 13, a lock pin 14, a sliding sleeve 15 and a first elastic piece 16, wherein a first installation cavity 111 and a first channel 112 communicated with the first installation cavity 111 are formed in the socket body 11 along the axis direction, an annular groove 113 is formed in the socket body 11 perpendicular to the axis direction, an L-shaped through groove 114 is formed in the side surface of the socket body 11, the L-shaped through groove 114 is communicated with the annular groove 113, the left one-way valve assembly 12 is arranged in the first installation cavity 111 and used for controlling the on-off of the first installation cavity 111 and the first channel 112, and the top sleeve 13 is arranged in the annular groove 113 in a sliding manner; the lock pin 14 passes through the L-shaped through groove 114 and is fixedly connected with the top sleeve 13, the lock pin 14 can slide in the L-shaped through groove 114 so as to drive the top sleeve 13 to slide or rotate along the axial direction of the plug body 11, the sliding sleeve 15 is sleeved outside the plug body 11 and is fixedly connected with the lock pin 14, an annular boss 115 is arranged on the side surface of the plug body 11, the first elastic piece 16 is arranged between the annular boss 115 and the sliding sleeve 15, a clamping ring groove 116 is also arranged on the side surface of the plug body 11,

as shown in fig. 4, the female connector 2 includes: the ring sleeve 21, the connecting body 22, the right one-way valve component 23 and the locking component 24, the connecting body 22 is connected with one end of the ring sleeve 21 in a threaded manner, a second installation cavity 221 and a second channel 222 communicated with the second installation cavity 221 are arranged in the connecting body 22, the right one-way valve component 23 is arranged in the second installation cavity 221 and used for controlling the on-off of the second installation cavity 221 and the second channel 222, the locking component 24 is arranged at the left end of the connecting body 22 and can be clamped in the clamping ring groove 116, so that the male connector 1 and the female connector 2 are clamped,

as shown in fig. 5, the locking assembly 24 includes a locking rod 241 having a central portion rotatably connected to the connector 22, a first plug 242 and a second plug 243 slidably disposed on the connector 22, the first plug 242 and the second plug 243 are respectively abutted against both ends of the locking rod 241, the first plug 242 can extend out of the left end face of the connector 22 to be abutted against the right end face of the plug 11, the second plug 243 can extend out of the left end face of the connector 22 to be abutted against the top sleeve 13, and when the locking rod 241 is perpendicular to the axial direction of the connector 22, the locking rod 241 can extend into the snap ring groove 116 to snap the plug 11 to the connector 22, the second plug 243 can be controlled by controlling the expansion and contraction of the top sleeve 13 to control the angle of the locking rod 241, so as to control the snap state of the locking rod and the snap ring groove 116.

When the lock lever 241 is positioned perpendicular to the axial direction of the connector 22, the left end surface of the lock lever 241 abuts against the connector, so that the lock lever 241 can restrict the plug 11 from moving to the left.

Preferably, by pushing the lock pin 14 to move to the right end of the L-shaped through groove 114, the top sleeve 13 extends toward the connector 22, and then pushes the plug 11 toward the connector 22, the top sleeve 13 can push the second plug 243 to move to the right, so that the lock rod 241 rotates and is separated from the snap ring groove 116.

Preferably, the left check valve assembly 12 includes a left valve core 121, a first annular supporting plate 122, and a second elastic member 123, the right end of the left valve core 121 has a left sealing boss 1211, the first annular supporting plate 122 is fixed in the first installation cavity 111 and is located at the left side of the left valve core 121, and the second elastic member 123 is disposed between the left valve core 121 and the first annular supporting plate 122, so that the left sealing boss 1211 of the left valve core 121 abuts against the right end of the first installation cavity 111 to block the first installation cavity 111 and the first channel 112.

Preferably, the right check valve assembly 23 includes a right valve element 231, a second annular supporting plate 232, and a third elastic member 233, where a right sealing boss 2311 is disposed at a left end of the right valve element 231, the second annular supporting plate 232 is fixed in the second mounting cavity 221 and is located at a right side of the right valve element 231, and the third elastic member 233 is disposed between the right valve element 231 and the second annular supporting plate 232, so that the right sealing boss 2311 abuts against a left end of the second mounting cavity 221 to block the second mounting cavity 221 from the second channel 222, and an abutting rod 2312 is disposed at a left side of the right sealing boss 2311, and after the male connector 1 is clamped with the female connector 2, the abutting rod 2312 extends into the first channel 112 and abuts against the left sealing boss 1211, so that the first mounting cavity 111 communicates with the first channel 112, and at the same time, the second mounting cavity 221 communicates with the second channel 222.

Preferably, a first middle cavity 117 is formed between the right end of the left valve core 121 and the right end of the first mounting cavity 111, the left sealing boss 1211 is used for controlling on-off of the first middle cavity 117 and the first channel 112, a first through hole 118 is formed in the left valve core 121, and the first through hole 118 communicates the left end of the first mounting cavity 111 with the first middle cavity 117.

Preferably, a second middle cavity 223 is formed between the left end of the right valve element 231 and the left end of the second mounting cavity 221, the right sealing boss 2311 is used for controlling the on-off of the second middle cavity 223 and the second channel 222, a second through hole 224 is formed in the right valve element 231, and the second through hole 224 communicates the right end of the second mounting cavity 221 with the second middle cavity 223.

Preferably, a third through hole 119 is disposed on a side surface of the first channel 112, and the third through hole 119 can communicate the first channel 112 with the second channel 222.

Preferably, the locking assembly 24 further includes a locking unit 244, where the locking unit 244 includes a first pit 2421 formed on a side surface of the first plug 242, and a second pit 2431 formed on a side surface of the second plug 243, when the locking rod 241 is in a vertical state, the locking unit 244 is locked with the second pit 2431, and when the locking rod 241 is separated from the locking ring groove 116, the locking unit 244 is locked with the first pit 2421.

It is understood that the locking lever 241 can be positioned by the locking unit 244 being locked with the first recess 2421 or the second recess 2431.

Further, the locking unit 244 includes a first locking ball 2441, a fourth elastic member 2442, and a second locking ball 2443, the fourth elastic member 2442 is disposed between the first locking ball 2441 and the second locking ball 2443, the first locking ball 2441 abuts against a side surface of the first plug 242 and can be locked into the first recess 2421, and the second locking ball 2443 abuts against a side surface of the second plug 243 and can be locked into the second recess 2431.

In this embodiment, two locking assemblies 24 are oppositely disposed on the connecting body 22.

The working mode of the invention is as follows: as shown in fig. 6 and 7, when the male connector 1 is connected to the female connector 2, the plug 11 is inserted into the ring 21 and is clamped to the locking assembly 24, and the abutting rod 2312 passes through the first channel 112 and abuts against the left valve core 121, so that the first cavity is communicated with the first channel 112, and the second cavity is communicated with the second channel 222. Specifically, the plug 11 rotates the locking rod 241, so that the plug 11 can be inserted into the ring 21, and when the plug 11 moves rightward, it abuts against the right valve element 231, so as to push the right valve element 231 to move rightward and press the third elastic member 233, until the right valve element 231 abuts against the second annular supporting plate 232, at this time, the plug 11 pushes the first plug 242, so that the first plug 242 pushes the locking rod 241 to rotate, and the locking rod 241 extends into the locking ring groove 116, so that the plug 11 is locked with the connector 22. Under the action of the second elastic member 123 and the third elastic member 233, the plug 11 moves in a direction away from the connecting body 22, so that the lock rod 241 abuts against the right side of the snap ring groove 116, and the connection between the male connector 1 and the female connector 2 is completed, at this time, the left end of the abutting rod 2312 abuts against the right end of the left sealing boss 1211, so that the first middle cavity 117 communicates with the first channel 112, the right end surface of the plug 11 abuts against the left end surface of the right sealing boss 2311, so that the second channel 222 communicates with the second mounting cavity 221, and fluid can flow from the left end of the pipe connection connector to the right end through the first mounting cavity 111, the first channel 112, the second channel 222 and the second mounting cavity 221 in sequence.

When the male connector 1 and the female connector 2 need to be separated, as shown in fig. 8 and 9, the sliding sleeve 15 is pushed to the right side, so that the locking pin 14 moves to the right side along the L-shaped through groove 114, the locking pin 14 is clamped with the L-shaped through groove 114 by rotating the sliding sleeve 15, and then the plug body 11 is pushed to move to the right side, at this time, the top sleeve 13 can push the second plug 243 to move to the right side, so that the clamping unit 244 is clamped with the second pit 2431, thereby the locking rod 241 is separated from the clamping ring groove 116, at this time, the plug body 11 can be pulled out to the left side, and the male connector 1 and the female connector 2 are separated.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. A pipe connection fitting, comprising: a male connector and a female connector which can be mutually clamped,

2. The pipe coupling according to claim 1, wherein said locking pin is moved to the right end of said L-shaped channel by pushing said locking pin to extend said top sleeve in the direction of said connector and then push said plug in the direction of said connector, said top sleeve being capable of pushing said second plug to rotate said locking rod and disengage said locking ring groove.

3. The pipe coupling according to claim 2, wherein said left check valve assembly comprises a left valve spool, a first annular support plate, a second elastic member, said left valve spool having a left sealing boss at a right end thereof, said first annular support plate being secured within said first mounting cavity and positioned to the left of said left valve spool, said second elastic member being disposed between said left valve spool and said first annular support plate such that said left sealing boss of said left valve spool abuts said first mounting cavity right end to block said first mounting cavity and first passage.

4. A pipe coupling according to claim 3, wherein the right check valve assembly comprises a right valve core, a second annular support plate and a third elastic member, the left end of the right valve core is provided with a right sealing boss, the second annular support plate is fixed in the second mounting cavity and positioned on the right side of the right valve core, the third elastic member is arranged between the right valve core and the second annular support plate, the right sealing boss is abutted to the left end of the second mounting cavity so as to block the second mounting cavity from the second channel, the left side of the right sealing boss is provided with an abutting rod, and after the male connector is clamped with the female connector, the abutting rod extends into the first channel and abuts against the left sealing boss so that the first mounting cavity is communicated with the first channel, and meanwhile, the second mounting cavity is communicated with the second channel.

5. The pipe connection joint according to claim 4, wherein a first intermediate chamber is formed between the right end of the left valve core and the right end of the first installation chamber, the left sealing boss is used for controlling on-off of the first intermediate chamber and the first channel, a first through hole is formed in the left valve core, and the first through hole is communicated with the left end of the first installation chamber and the first intermediate chamber.

6. The pipe connection joint according to claim 4, wherein a second intermediate chamber is formed between the left end of the right valve core and the left end of the second installation chamber, the right sealing boss is used for controlling on-off of the second intermediate chamber and the second channel, a second through hole is formed in the right valve core, and the second through hole is communicated with the right end of the second installation chamber and the second intermediate chamber.

7. The pipe connection fitting of claim 1, wherein the first passage side is provided with a third through hole capable of communicating the first passage with the second passage.

8. The pipe connection fitting of claim 1, wherein the locking assembly further comprises a clamping unit, the clamping unit comprises a first pit formed in the side face of the first plug and a second pit formed in the side face of the second plug, the clamping unit is clamped with the second pit when the lock rod is in a vertical state, and the clamping unit is clamped with the first pit when the lock rod is separated from the clamping ring groove.

9. The pipe coupling according to claim 8, wherein said clamping unit comprises a first clamping ball, a fourth elastic member and a second clamping ball, said fourth elastic member is disposed between said first clamping ball and said second clamping ball, said first clamping ball is in contact with a side surface of said first plug and can be clamped into said first recess, and said second clamping ball is in contact with a side surface of said second plug and can be clamped into said second recess.