CN215445492U - Pipeline connecting structure and pipeline quick-assembly quick-disassembly joint - Google Patents

Abstract

The utility model discloses a pipeline connecting structure and a pipeline quick-assembly and quick-disassembly joint, wherein the pipeline connecting structure comprises a joint main body, the joint main body is provided with a locking convex ring, a telescopic locking structure is arranged in the locking convex ring, and the locking structure can be telescopically positioned along the radial direction of the locking convex ring to form the locking and unlocking states of the locking structure. The utility model provides a pipeline fast-assembling quick detach connects, includes quick detach top pressure ring and foretell pipeline connection structure, and wherein quick detach top pressure ring is used for the extrusion to strut locking structure. The pipeline connecting structure and the pipeline quick-assembly and quick-disassembly joint disclosed by the utility model have the advantages of quick pipeline installation, simple and novel structure, suitability for pipe fittings with different hardness and good pipe fitting connecting and locking effects.

Description

Pipeline connecting structure and pipeline quick-assembly quick-disassembly joint

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a pipeline connecting structure and a pipeline quick-mounting and quick-dismounting joint.

Background

Chinese patent document CN103292099A discloses a formula of cuting straightly connects pipe fitting soon, including connecting the main part, 3 step faces are established in proper order from inside to outside from connecting the main part, first step installation guide pin bushing, 0 type circle of second step face installation, the third step face installation cushion, the dish spring, be equipped with the recess that is used for installing the clamping ring on connecting the main part inside wall, the clamping ring spiral-lock is in the recess, one end supports on the basal plane of dish spring, it detains on the barb in the clamping ring to get the pipe sleeve spiral-lock, thereby it makes it fixed to press the dish spring through the clamping ring, avoided offering the recess that is used for fixed dish spring on the pipe fitting body, and then also need not to open up at the dish spring, it is convenient for the installation and the change of dish spring, moreover, the steam generator is simple structure.

However, for pipelines with hardness close to that of the disc spring, such as stainless steel pipes, the disc spring cannot be eaten into the pipe, potential safety hazards are caused when the disc spring is forcibly installed, and the disc spring cannot be used under normal working pressure. The dish spring does not do concentric processing, when the pipe external diameter deviation is big or warp, can't even eat into intraductal, is the cushion between 0 type circle and the dish spring, thereby when 0 type circle receives the extrusion, thereby influences the dish spring through the extrusion cushion in the axial.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pipeline connecting structure and a pipeline quick-mounting and quick-dismounting joint, which have the advantages of quick pipeline installation, simple and novel structure, suitability for pipe fittings with different hardness and good pipe fitting connecting and locking effects.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a pipeline connecting structure, includes the joint main part, the joint main part is equipped with the locking bulge loop, be equipped with telescopic locking structure in the locking bulge loop, this locking structure can be followed the radial flexible location of locking bulge loop to form locking structure's locking and unclamping state.

According to the technical scheme, the locking structure is arranged in the inner cavity of the locking convex ring, occupied space is saved, the concave ring arranged on the pipeline is inserted into the joint main body, the locking structure can radially stretch and retract to be clamped into the concave ring of the pipeline, the pipeline is connected, locked and fixed, the locking structure locks and fixes the pipeline when the pipeline is contracted, the locking structure loosens the pipeline when the pipeline is expanded, the locking effect on the pipeline is good, operation is convenient, and construction efficiency is improved.

Furthermore, the locking structure comprises an opening steel ring, the opening steel ring is provided with a steel ring fracture, and elastic grooves are distributed at intervals along the inner ring of the opening steel ring. The opening steel ring has certain elastic deformation volume, and elasticity groove and steel ring fracture have the effect that improves the elastic deformation of opening steel ring, and chucking pipeline notch ring when receiving the extrusion is scalable when dismantling to be convenient for extract the pipeline.

Further, locking structure includes independent fixture block of a plurality of and elasticity steel ring, a plurality of can dismantle the connection between independent fixture block and form the snap ring, the elasticity steel ring cover is located the periphery of independent fixture block. The independent clamping blocks are connected with each other to form a clamping ring, the concave ring of the pipeline is clamped tightly, and the elastic steel ring is used for providing elastic force to lock the clamping ring formed by the independent clamping blocks. Wherein the number of the plurality of the active carbon particles is 2 or more.

Furthermore, one end of each independent clamping block extends outwards to form a clamping block protrusion, the other end of each independent clamping block is provided with a clamping block notch, each independent clamping block is inserted into the clamping block notch through the clamping block protrusion to be matched and connected, and the elastic steel ring is sleeved in the steel ring clamping groove of each independent clamping block.

Further, the locking structure comprises an elastic clamping ring which is elastically connected through an inner recess or an outer protrusion. The elastic clamping rings are connected into a whole through an inner recess or an outer protrusion, and when the pipeline is inserted into the joint main body, the elastic clamping rings are clamped into the pipeline concave rings.

Furthermore, the locking structure comprises a disc spring, the disc spring is provided with a coaxial outer ring and a pressure-bearing surface from outside to inside, the coaxial outer ring spacer ring is provided with an outer ring notch, and the pressure-bearing surface is provided with sharp teeth. The sharp teeth arranged on the pressure bearing surface are used for abutting against the pipeline concave ring, and the locking device has the characteristic of good locking effect, wherein the sharp teeth can be triangular sharp teeth or trapezoidal sharp teeth.

Still further, the locking structure still includes the elasticity dismantlement ring, the elasticity dismantlement ring is equipped with pushes away the blank pressing and pushes away the anchor ring, pushes away to be equipped with on the anchor ring and pushes away the breach, evagination buckle and inclined plane evagination, the elasticity dismantlement ring is connected to assemble in the joint main part with the dish spring, and the evagination buckle butt is inboard with the outer loop, and the inclined plane evagination is supported on the bearing surface. When the connector is locked, the pushing and pressing edge is pushed to assemble the elastic disassembling ring in the connector main body, the outer convex snap ring abuts against the inner side of the coaxial outer ring, so that the coaxial outer ring is fixed in the locking snap ring, the end face of the outer convex snap ring abuts against the step face of the locking snap ring, and the inclined face protrudes outwards and abuts against the pressure bearing face to press the disc spring; when the pipe joint is disassembled, the pushing edge is pulled out, so that the convex retaining ring leaves the coaxial outer ring, the inclined surface protrudes outwards to be separated from the bearing surface, and the pipe is pulled out from the joint main body and the disc spring.

Furthermore, the locking structure is a spring ring which is formed by surrounding a compression spring and is arranged in a locking convex ring of the joint main body.

Furthermore, the locking structure is a split washer which is made of an elastic stainless steel round bar and is provided with an elastic gap which is arranged in the locking convex ring of the joint main body.

The connector comprises a connector body and is characterized in that a sealing convex ring adjacent to the locking convex ring is arranged in the connector body, a sealing ring is arranged in the sealing convex ring, and a pressing inclined plane is arranged in the opening direction of the locking convex ring close to the connector body. When the pressing inclined plane is used for buckling the locking structure on the concave ring of the pipeline and the pipeline is pulled out, the pressing inclined plane limiting locking structure enables the pipeline not to be pulled out.

In order to solve the above technical problem, another technical solution provided by the present invention is: the utility model provides a pipeline fast-assembling quick detach connects, includes quick detach top pressure ring and any one of above-mentioned technical scheme pipeline connection structure, wherein quick detach top pressure ring is used for the extrusion to strut locking structure. After the locking structure is unfolded, the concave ring of the pipeline is loosened, and the pipeline can be pulled out from the joint main body.

The utility model adopts a plurality of technical schemes and has the following advantages;

1. the elastic groove is arranged on the opening steel ring, so that the elasticity is improved, the pipeline is easier to insert, and the construction operation efficiency is improved;

2. the pressure bearing surface of the disc spring is provided with sharp teeth, so that the disc spring is more easily eaten into the pipe when the hardness of the pipe is lower, higher pressure can be borne, and the safety is improved;

3. the disc spring is provided with the coaxial outer ring, so that the circle center of the sharp tooth is ensured to be on the axis of the circle center of the joint main body and the stainless steel pipeline, the sharp tooth can be uniformly eaten into pipelines with lower hardness, such as aluminum pipes, plastic pipes and the like, and when the deviation of the outer diameter of the pipes is large or the pipes are deformed, the effect of locking and fixing the pipelines by the sharp tooth is kept good;

4. the locking structure and the sealing ring are mutually isolated on the joint main body, do not interfere with each other and have good stability;

5. aiming at the pipeline with higher hardness and needing to be pressed with the concave ring, the spring ring or the circlip is used, so that the strength is high, and the drawing force of the butt joint generated by higher pressure can be borne;

6. the utility model has the advantages of simple structure, stable performance, convenient construction operation and low production cost.

Drawings

FIG. 1 is a schematic view of the assembled structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of a specific construction of the joint body of the present invention;

FIG. 4 is a schematic view of a locking structure in embodiment 1 of the present invention;

FIG. 5 is a schematic structural view of an open steel ring according to embodiment 1 of the present invention;

FIG. 6 is a schematic cross-sectional view showing the structure of example 2 of the present invention;

FIG. 7 is a schematic view of a locking structure of embodiment 3 of the present invention;

FIG. 8 is a schematic view of a locking structure of embodiment 4 of the present invention;

FIG. 9 is a schematic view of a locking structure of embodiment 5 of the present invention;

FIG. 10 is a schematic view of a locking structure of embodiment 6 of the present invention;

FIG. 11 is a schematic cross-sectional view showing the structure of example 6 of the present invention;

FIG. 12 is a schematic view of a locking structure of embodiment 7 of the present invention;

fig. 13 is a schematic view of a locking structure of embodiment 8 of the present invention.

Description of reference numerals: 1 joint main body, 11 locking bulge loops, 111 pressing inclined plane, 12 sealing bulge loops, 13 sealing rings, 14 bearing position, 2 locking structure, 21 opening steel ring, 211 inserting inclined plane, 212 steel ring fracture, 213 elastic groove, 22 quick-release press ring, 221 detaching plane, 222 press ring fracture, 23 independent fixture block, 231 fixture block protrusion, 232 fixture block notch, 233 steel ring clamping groove, 24 elastic steel ring, 25 elastic clamping ring, 251 convex, 252 concave, 26 disc spring, 261 coaxial outer ring, 262 bearing surface, 263 outer ring notch, 264 sharp tooth, 27 elastic detaching ring, 271 pushing pressing edge, 272 pushing ring surface, 273 pushing notch, 274 convex clamping ring, 275 inclined plane convex, 28 spring ring, 29 opening retaining ring, 291 elastic notch, 3 pipeline, 31 concave ring.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

Examples 1 and 2

Referring to fig. 1 to 6, the utility model discloses a pipeline connecting structure, which comprises a joint main body 1, wherein the joint main body 1 is provided with a locking convex ring 11, a telescopic locking structure 2 is arranged in the locking convex ring 11, and the locking structure 2 can be telescopically positioned along the radial direction of the locking convex ring 11 to form a locking and unlocking state of the locking structure 2. Wherein, the locking convex ring 11 protrudes out of the outer wall of the joint main body 1, an inner cavity for accommodating the locking structure 2 is formed inside, the locking structure 2 is accommodated in the inner cavity, and when the pipeline 3 is inserted into the joint main body 1, the locking structure 2 locks the concave ring 31 of the pipeline.

The locking structure 2 comprises an opening steel ring 21, the opening steel ring 21 is provided with a steel ring fracture 212, and elastic grooves 213 are distributed at intervals along the inner ring of the opening steel ring 21. When the pipeline 3 is installed, the opening steel ring 21 is placed in the locking convex ring 11, and the opening steel ring 21 is clamped on the concave ring 31 of the pipeline 3 to lock the pipeline; when the pipeline 3 needs to be disassembled, the quick-release jacking ring 22 is used for jacking the opening steel ring 21, and the opening steel ring 21 loosens the concave ring 31, so that the pipeline 3 can be pulled out of the joint main body 1. Wherein, the contact end face of the opening steel ring 21 and the quick-release top pressing ring 22 is respectively provided with an insertion inclined surface 211 and a disassembly surface 221.

The difference between embodiment 1 and embodiment 2 is that in embodiment 2, the quick release presser ring 22 is not provided.

Example 3

Referring to fig. 1 to 3 and 7, the locking structure 2 in the embodiment includes a plurality of independent blocks 23 and an elastic steel ring 24, the independent blocks 23 are detachably connected to form a snap ring, and the elastic steel ring 24 is sleeved on the peripheries of the independent blocks 23.

One end of each independent fixture block 23 extends outwards to form a fixture block protrusion 231, the other end of each independent fixture block 23 is provided with a fixture block notch 232, each independent fixture block 23 is inserted into the fixture block notch 232 through the fixture block protrusion 231 to be matched and connected, and the elastic steel ring 24 is sleeved in the steel ring clamping groove 233 of each independent fixture block 23.

Each independent fixture block 23 is matched with the fixture block notch 232 through the fixture block protrusion 231, the fixture block protrusion 231 is inserted into the fixture block notch 232, so that the independent fixture blocks 23 are combined to form an integral structure, the elastic steel ring 24 is sleeved in the steel ring clamping groove 233, when the pipeline 3 is inserted into the joint main body 1, the concave ring 31 of the pipeline 3 corresponds to the independent fixture block 23, the independent fixture block 23 is clamped in the concave ring 31 through the action of the elastic steel ring 24, and the pipeline 3 is locked.

Example 4 and example 5

Referring to fig. 1 to 3 and 8 and 9, the locking structure 2 of the present invention comprises an elastic collar 25, the elastic collar 25 being elastically connected by a concave recess 252 or a convex protrusion 251.

Wherein the elastic collar 25 of embodiment 4 is connected by means of the outer protrusions 251. The elastic collar 25 of embodiment 5 is connected by a recess 252. The convex part of the outer protrusion 251 is convex in the direction opposite to the direction of the center of the elastic collar 25, and the convex part of the inner recess 252 is convex in the direction of the center of the elastic collar 25.

Example 6

Referring to fig. 1 to 3 and fig. 10 and 11, the locking structure 2 of the present embodiment includes a disc spring 26, the disc spring 26 has a coaxial outer ring 261 and a pressure-bearing face 262 from outside to inside, an outer ring gap 263 is disposed on a spacer ring of the coaxial outer ring 261, and a sharp tooth 264 is disposed on the pressure-bearing face 262.

The locking structure 2 further comprises an elastic dismounting ring 27, the elastic dismounting ring 27 is provided with a pushing edge 271 and a pushing ring surface 272, the pushing ring surface 272 is provided with a pushing notch 273, a convex snap ring 274 and a slope convex 275, the elastic dismounting ring 27 is connected with the disc spring 26 and assembled in the joint main body 1, the convex snap ring 274 abuts against the inner side of the coaxial outer ring 261, and the slope convex 275 abuts against the pressure surface 262.

In implementation, the pipe 3 is inserted into the joint body 1, the coaxial outer ring 261 clings to the inner wall of the locking convex ring 11, the sharp teeth 264 eat the concave ring 31 to lock the pipe 3, the elastic dismounting ring 27 is assembled into the joint body 1 and is abutted against the disc spring 26, the outward convex retaining ring 274 is abutted against the inner side of the coaxial outer ring 261, the inclined plane outward protrusion 275 is abutted against the bearing surface 262, and the disc spring 26 is limited and fixed in the locking convex ring 11, so that the pipe 3 is locked.

Example 7 and example 8

Referring to fig. 3 and fig. 11 and 12 in fig. 1, in embodiment 7, the locking structure 2 is a spring ring 28, and the spring ring 28 is surrounded by a compression spring and is disposed in the locking convex ring 11 of the joint main body 1.

In embodiment 8, the locking structure 2 is a split washer 29, and the split washer 29 is made of a round bar of elastic stainless steel and provided with an elastic notch 291 to be fitted in the locking convex ring 11 of the joint body 1.

In the embodiments 7 and 8, the quick release gap is formed between the outer extension edge of the locking male ring 11 and the pipe 3, and a tool inserted into the flat shape when the pipe 3 is disassembled is used for supporting the spring ring 28 or the circlip 29 and releasing the female ring 31, so that the pipe 3 can be pulled out from the joint main body 1.

In embodiments 1 to 8, a seal convex ring 12 is provided inside the joint body 1 adjacent to the lock convex ring 11, and a seal ring 13 is provided in the seal convex ring 12. The joint body 1 inside the sealing convex ring 12 is provided with a bearing position 14. When the pipe 3 is inserted into the joint body 1, the port portion of the pipe 3 is placed on the bearing position 14. The locking convex ring 11 is provided with a pressing inclined surface 111 near the opening direction of the joint main body 1.

The utility model also discloses a quick-assembly and quick-disassembly joint for the pipeline, which comprises the quick-disassembly jacking ring 22 and the pipeline connecting structure in any one of the embodiments, wherein the quick-disassembly jacking ring 22 is used for extruding the expansion locking structure 2. Specifically, the locking structure 2 includes, but is not limited to, the circlip 21, the independent block 23, the elastic collar 25, the spring ring 28, and the circlip 29 described in the above embodiments, and the locking structure 2 with elasticity is jacked up by the quick release jacking ring 22 so as to be separated from the concave ring 31 of the pipeline 3, thereby achieving the functions of quick assembly and quick release.

In the specific implementation process of the quick connector, the locking convex ring 11 is arranged to accommodate the locking structure 2, so that the quick connector is compact in structure and small in occupied space; adopt the locking structure 2 of multiple scheme, behind connecting tube 3, the clearance formation quick detach clearance of locking bulge loop 11 and pipeline 3 uses quick detach top clamping ring or elastic disassembly ring can be pulled out the pipeline from the joint main part fast, effectively improves the efficiency of construction operation.

In summary, the actual samples of the present invention are prepared according to the description and the drawings, and after a plurality of usage tests, the effect of the usage tests proves that the present invention can achieve the expected purpose, and the practical value is undoubted. The above-mentioned embodiments are only for convenience of illustration and not intended to limit the utility model in any way, and those skilled in the art will be able to make equivalents of the features of the utility model without departing from the technical scope of the utility model.

Claims (11)

1. A pipe connection structure, includes joint main body (1), its characterized in that: the joint body (1) is provided with a locking convex ring (11), a telescopic locking structure (2) is arranged in the locking convex ring (11), and the locking structure (2) can be positioned in a telescopic mode along the radial direction of the locking convex ring (11) to form locking and loosening states of the locking structure (2).

2. The pipe connecting structure according to claim 1, wherein: the locking structure (2) comprises an opening steel ring (21), the opening steel ring (21) is provided with a steel ring fracture (212), and elastic grooves (213) are distributed at intervals along the inner ring of the opening steel ring (21).

3. The pipe connecting structure according to claim 1, wherein: locking structure (2) include independent fixture block (23) of a plurality of and elasticity steel ring (24), a plurality of can dismantle between independent fixture block (23) and connect and form the snap ring, elasticity steel ring (24) cover is located the periphery of independent fixture block (23).

4. The pipe connecting structure according to claim 3, wherein: one end of each independent fixture block (23) extends outwards to form a fixture block protrusion (231), the other end of each independent fixture block (23) is provided with a fixture block notch (232), each independent fixture block (23) is inserted into the fixture block notch (232) through the fixture block protrusion (231) to be connected in a matched mode, and the elastic steel ring (24) is sleeved in the steel ring clamping groove (233) on each independent fixture block (23).

5. The pipe connecting structure according to claim 1, wherein: the locking structure (2) comprises an elastic collar (25), and the elastic collar (25) is elastically connected through an inner recess (252) or an outer protrusion (251).

6. The pipe connecting structure according to claim 1, wherein: the locking structure (2) comprises a disc spring (26), the disc spring (26) is provided with a coaxial outer ring (261) and a pressure-bearing face (262) from outside to inside, the coaxial outer ring (261) is provided with outer ring notches (263) in a spaced ring mode, and the pressure-bearing face (262) is provided with sharp teeth (264).

7. The pipe connecting structure according to claim 6, wherein: the locking structure (2) further comprises an elastic dismounting ring (27), the elastic dismounting ring (27) is provided with a pushing edge (271) and a pushing ring surface (272), a pushing notch (273), an outward convex retaining ring (274) and an inclined plane outward convex (275) are arranged on the pushing ring surface (272), the elastic dismounting ring (27) and the disc spring (26) are connected and assembled in the joint main body (1), the outward convex retaining ring (274) abuts against the inner side of the coaxial outer ring (261), and the inclined plane outward convex (275) abuts against the pressure bearing surface (262).

8. The pipe connecting structure according to claim 1, wherein: the locking structure (2) is a spring ring (28), and the spring ring (28) is formed by surrounding a compression spring and is arranged in a locking convex ring (11) of the joint main body (1).

9. The pipe connecting structure according to claim 1, wherein: the locking structure (2) is a split retainer ring (29), and the split retainer ring (29) is provided with an elastic notch (291) which is arranged in a locking convex ring (11) of the joint body (1).

10. The pipe connecting structure according to any one of claims 1 to 9, wherein: the joint is characterized in that a sealing convex ring (12) adjacent to the locking convex ring (11) is arranged inside the joint main body (1), a sealing ring (13) is arranged in the sealing convex ring (12), and a pressing inclined plane (111) is arranged in the opening direction of the locking convex ring (11) close to the joint main body (1).

11. The utility model provides a pipeline fast-assembling quick detach connects which characterized in that: the quick-release top pressing ring (22) and the pipeline connecting structure of any one of the claims 1 to 5 and 8 and 9 are included, wherein the quick-release top pressing ring (22) is used for pressing and expanding the locking structure (2).

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