CN219549905U

CN219549905U - Double-layer sleeved PVC pipe

Info

Publication number: CN219549905U
Application number: CN202320448302.XU
Authority: CN
Inventors: 潘凯
Original assignee: Wuhan Miaoyuan Pipe Industry Co ltd
Current assignee: Wuhan Miaoyuan Pipe Industry Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-08-18
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses a double-layer sleeved PVC pipe, which comprises a PVC pipe main body, wherein splicing components are arranged at two ends of the PVC pipe main body, each splicing component comprises a first splicing sleeve and a second splicing sleeve, each second splicing sleeve is provided with a sealing component, each sealing component comprises an inner ring and a lantern ring, each first splicing sleeve is provided with a clamping component, each clamping component comprises a clamping ring and an outer ring, one end of the PVC pipe main body is provided with a connecting component, the double-layer sleeved PVC pipe can form four sealing layers between the first splicing sleeve and the second splicing sleeve, when gaps are generated, three sealing layers can still keep sealing effect, the sealing effect of a joint can still be guaranteed under larger pressure, after a support plate and the outer rings are mutually close and sealed by a screw sleeve, a clamping pin is pushed into a groove to limit the screw sleeve, and the connection firmness of the PVC pipe main body is guaranteed.

Description

Double-layer sleeved PVC pipe

Technical Field

The utility model relates to the technical field of PVC pipe equipment, in particular to a double-layer sleeved PVC pipe.

Background

The PVC pipe is common tubular product, be used for the protection work of water supply and drainage and circuit to use commonly, patent application number CN 202020355777.0's utility model patent, the PVC pipe of a installation and dismantlement convenience is disclosed, accessible mounting and connecting piece are the lock joint each other between first PVC pipe and the second PVC pipe, dismantle convenient and fast, can improve the efficiency of installation and maintenance, solve the cost of resource and human labor, inner wall at first PVC pipe sets up sealed pad, the joint of cup jointing of second PVC pipe stretches into in the slot of sealed pad, can play sealed leak protection effect to the junction of PVC pipe, simultaneously, still set up the seal cover that stretches out the tip in the position that is close to the mounting of first PVC pipe, the seal cover is at the outer wall of second PVC pipe during the installation, thereby further play sealed effect to the junction of PVC pipe, sealed effectual, according to its disclosed technical scheme, on the one hand, after carrying out the connection is fixed, the connection pressure through the connecting piece and cooperation sealed pad carries out sealed work, receive the pressure to lead to the connecting piece to seal up the gap because of tension to lead to the sealing pad, and be unfavorable for the degree of being connected in turn around the connection of high-pressure, and the external force is unfavorable for producing the sealing deformation when the connection is connected, and further the connection is difficult to produce firm, and the external force is connected because of the connection is connected.

Therefore, how to design a double-layer sleeved PVC pipe becomes the current problem to be solved.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a double-layer sleeved PVC pipe so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a double-deck PVC pipe that cup joints, includes the PVC pipe main part, splice assembly is installed at the both ends of PVC pipe main part, splice assembly includes first and second of nipple, install seal assembly on the second of nipple, seal assembly includes inner ring and lantern ring, install the chucking subassembly on the first of nipple, the chucking subassembly includes snap ring and outer loop, the one end of PVC pipe main part is equipped with coupling assembling, coupling assembling includes extension board and swivel nut, install locking subassembly on outer loop and the swivel nut, locking subassembly includes slot and bayonet lock.

Further, the second joint is integrally formed at one end of the PVC pipe body, the first joint is integrally formed at the other end of the PVC pipe body, and the support plate is integrally formed at the outer side of one end of the PVC pipe body.

Further, the inner ring and the lantern ring are integrally formed on one side of the second connecting sleeve, and the clamping ring and the outer ring are integrally formed on the other side of the first connecting sleeve.

Further, the inner diameter of the inner ring is equal to the inner diameter of the PVC pipe main body, the outer diameter of the inner ring is equal to the inner diameter of the clamping ring, the outer diameter of the clamping ring is equal to the inner diameter of the lantern ring, the outer diameter of the lantern ring is equal to the inner diameter of the outer ring, the inner side of the first connecting sleeve is provided with a first conical surface, the outer side of the inner ring is provided with a second conical surface, and the first conical surface is matched with the second conical surface.

Further, one end of the screw sleeve is clamped on one side of the support plate, the other end of the screw sleeve extends to the other side of the support plate beyond the outer side of the support plate, a sealing gasket is bonded on the other side of the support plate, and the inner diameter of the screw sleeve is equal to the outer diameter of the outer ring.

Further, an inner thread is formed on the inner wall of the screw sleeve, an outer thread is formed on the outer side of the outer ring, and the inner thread is matched with the outer thread.

Further, the grooves are formed in the outer side of the outer ring, the grooves are uniformly distributed on the outer ring, clamping grooves are formed in the inner side of the threaded sleeve, one end of each clamping pin is clamped in the inner side of each clamping groove, and the other end of each clamping pin penetrates through each clamping groove and extends to the inner side of each groove or the threaded sleeve.

Further, one end of the bayonet lock is connected with the inner wall of the clamping groove through the spring, a connecting rod is welded at one end of the bayonet lock, one end of the connecting rod penetrates through the spring and the clamping groove and extends to the outer side of the screw sleeve, and the diameter of one end of the connecting rod is larger than the inner diameter of the clamping groove.

The beneficial effects are that: 1. this double-deck PVC pipe that cup joints when carrying out the connection work, insert the inner side of the nipple one of the other end of another PVC pipe main part with the nipple two of one end of a PVC pipe main part, and then make the inner ring chucking in the inboard of snap ring to make conical surface two chucking on the inner ring in the inboard of the conical surface one of nipple, the lantern ring chucking is in the outside side of snap ring, the outer loop chucking is in the outside side of lantern ring, utilizes four sealing layers of conical surface, inner ring, snap ring, lantern ring and outer loop between to when producing certain clearance between nipple one and nipple two, three sealing layer between inner ring, snap ring, lantern ring and the outer loop still can keep sealed effect, rotates the swivel nut simultaneously, and the swivel nut rotates the promotion in the outside of outer loop, and one side extrusion extension plate of swivel nut seals through sealed the pad between extension plate and the outer loop, thereby ensures sealed effect, ensures that the PVC pipe main part is under receiving great pressure still can ensure the sealed effect of junction.

2. When the screw sleeve is screwed on the outer side of the outer ring in a rotating mode, the screw sleeve rotates clockwise, the bayonet lock is automatically pushed out of the inner side of the groove through the inclined plane of the inner side and is clamped into the inner side of the next groove under the elastic force of the spring until the screw sleeve is used for mutually closing the support plate and the outer ring, after the screw sleeve is tightly clamped, the bayonet lock is pushed to the inner side of the groove from the clamping groove under the elastic force of the spring, the screw sleeve is effectively limited, reverse rotation of the screw sleeve caused by vibration or external force is avoided, tight connection of the screw sleeve and the outer ring is further guaranteed, looseness between PVC pipe main bodies is avoided, and firmness of connection of the PVC pipe main bodies is further guaranteed.

3. The double-layer sleeved PVC pipe is reasonable in design, is efficient and convenient to use, and is suitable for connection paving of the PVC pipe.

Drawings

FIG. 1 is a schematic diagram of a double-layer sleeved PVC pipe structure according to the present utility model;

FIG. 2 is a cross-sectional view of a double-layered PVC pipe of the present utility model;

FIG. 3 is a schematic illustration of a connection of a double-layered PVC pipe;

FIG. 4 is a side cross-sectional view of a double layer jacketed PVC tube of the present utility model;

in the figure: 1. a PVC pipe body; 2. the first connecting sleeve is connected; 3. a second connecting sleeve; 4. an inner ring; 5. a clasp; 6. a collar; 7. an outer ring; 8. a support plate; 9. a sealing gasket; 10. a screw sleeve; 11. a groove; 12. a clamping groove; 13. a bayonet lock; 14. a spring; 15. and a connecting rod.

Detailed Description

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

Referring to fig. 1 to 4, the present utility model provides a technical solution: the double-layer sleeved PVC pipe comprises a PVC pipe main body 1, splicing components are arranged at two ends of the PVC pipe main body 1, each splicing component comprises a first splicing sleeve 2 and a second splicing sleeve 3, a sealing component is arranged on the second splicing sleeve 3, each sealing component comprises an inner ring 4 and a lantern ring 6, a clamping component is arranged on the first splicing sleeve 2, each clamping component comprises a clamping ring 5 and an outer ring 7, one end of the PVC pipe main body 1 is provided with a connecting component, each connecting component comprises a support plate 8 and a threaded sleeve 10, locking components are arranged on the outer rings 7 and the threaded sleeves 10, each locking component comprises grooves 11 and clamping pins 13, each groove 11 is formed on the outer sides of the outer rings 7, the grooves 11 are uniformly distributed on the outer rings 7, clamping grooves 12 are formed in the inner sides of the threaded sleeves 10, one ends of the clamping pins 13 are clamped on the inner sides of the clamping grooves 12, the other ends of the clamping pins 13 penetrate through the clamping grooves 12 and extend to the inner sides of the grooves 11 or the threaded sleeves 10, one end of the clamping pin 13 is connected with the inner wall of the clamping groove 12 through a spring 14, one end of the clamping pin 13 is welded with a connecting rod 15, one end of the connecting rod 15 passes through the spring 14 and the clamping groove 12 and extends to the outer side of the threaded sleeve 10, the diameter of one end of the connecting rod 15 is larger than the inner diameter of the clamping groove 12, when the threaded sleeve 10 is rotationally screwed on the outer side of the outer ring 7, the threaded sleeve 10 rotates clockwise, the clamping pin 13 is automatically pushed out from the inner side of the groove 11 through the inclined surface of the inner side and is clamped into the inner side of the next groove 11 under the elasticity of the spring 14 until the threaded sleeve 10 closes the support plate 8 and the outer ring 7 with each other, after sealing and clamping, the clamping pin 13 is pushed to the inner side of the groove 11 from the clamping groove 12 under the elasticity of the spring 14, so that the threaded sleeve 10 is effectively limited, reverse rotation of the threaded sleeve 11 caused by vibration or external force is avoided, and then guarantee swivel nut 10 and outer loop 7's zonulae occludens, avoid producing not hard up between the PVC pipe main part 1, and then ensure PVC pipe main part 1's connection firmness.

In this embodiment, the second sleeve 3 is integrally formed at one end of the PVC pipe body 1, the first sleeve 2 is integrally formed at the other end of the PVC pipe body 1, the support plate 8 is integrally formed at the outer side of one end of the PVC pipe body 1, the inner ring 4 and the collar 6 are integrally formed at one side of the second sleeve 3, the snap ring 5 and the outer ring 7 are integrally formed at the other side of the first sleeve 2, the inner diameter of the inner ring 4 is equal to the inner diameter of the PVC pipe body 1, the outer diameter of the inner ring 4 is equal to the inner diameter of the snap ring 5, the outer diameter of the snap ring 5 is equal to the inner diameter of the collar 6, the outer diameter of the collar 6 is equal to the inner diameter of the outer ring 7, the inner side of the first sleeve 2 is provided with a conical surface I, the outer side of the inner ring 4 is provided with a conical surface II, the conical surface I is matched with the conical surface II, one end of the screw sleeve 10 is clamped at one side of the support plate 8, the other end of the screw sleeve 10 extends beyond the outer side of the support plate 8 to the other side of the support plate 8, the other side of the support plate 8 is adhered with a sealing gasket 9, the inner diameter of the threaded sleeve 10 is equal to the outer diameter of the outer ring 7, the inner wall of the threaded sleeve 10 is provided with an inner thread, the outer side of the outer ring 7 is provided with an outer thread, the inner thread is matched with the outer thread, when in connection work, the second sleeve 3 at one end of the PVC pipe main body 1 is inserted into the inner side of the first sleeve 2 at the other end of the other PVC pipe main body 1, the inner ring 4 is clamped at the inner side of the clamping ring 5, the conical surface on the inner ring 4 is clamped at the inner side of the conical surface one in the first sleeve 2, the sleeve ring 6 is clamped at the outer side of the clamping ring 5, the outer ring 7 is clamped at the outer side of the sleeve ring 6, four sealing layers are formed among the conical surface, the inner ring 4, the clamping ring 5, the sleeve ring 6 and the outer ring 7, and when a certain gap is generated between the first sleeve 2 and the second sleeve 3, the sealing effect can still be kept to three sealing layers between inner ring 4, snap ring 5, lantern ring 6 and the outer loop 7, rotates swivel nut 10 simultaneously, and swivel nut 10 rotates the propulsion in the outside of outer loop 7, and one side of swivel nut 10 extrudes extension board 8, seals through sealing pad 9 between extension board 8 and the outer loop 7 to guarantee sealed effect, guarantee PVC pipe main part 1 still can ensure the sealing effect of junction under receiving great pressure.

When the double-layer sleeved PVC pipe is connected, the second connector 3 at one end of the PVC pipe main body 1 is inserted into the inner side of the first connector 2 at the other end of the other PVC pipe main body 1, so that the inner ring 4 is clamped on the inner side of the clamping ring 5, the conical surface II on the inner ring 4 is clamped on the inner side of the conical surface I in the first connector 2, the sleeve ring 6 is clamped on the outer side of the clamping ring 5, the outer ring 7 is clamped on the outer side of the sleeve ring 6, four sealing layers are formed among the conical surface, the inner ring 4, the clamping ring 5, the sleeve ring 6 and the outer ring 7, when a certain gap is generated between the first connector 2 and the second connector 3, the sealing effect can still be kept, meanwhile, the threaded sleeve 10 is rotated and pushed on the outer side of the outer ring 7, one side of the threaded sleeve 10 extrudes the supporting plate 8, the support plate 8 and the outer ring 7 are sealed through the sealing gasket 9, so that the sealing effect is ensured, the PVC pipe main body 1 can still ensure the sealing effect of the joint under larger pressure, when the screw sleeve 10 is rotationally screwed on the outer side of the outer ring 7, the screw sleeve 10 rotates clockwise, the clamping pin 13 is automatically pushed out from the inner side of the groove 11 through the inclined plane of the inner side and is clamped into the inner side of the next groove 11 under the elastic force of the spring 14 until the screw sleeve 10 closes the support plate 8 and the outer ring 7 mutually, after sealing and clamping, the clamping pin 13 is pushed to the inner side of the groove 11 from the clamping groove 12 under the elastic force of the spring 14, so that the screw sleeve 10 is effectively limited, reverse rotation of the screw sleeve 11 caused by vibration or external force is avoided, the tight connection of the screw sleeve 10 and the outer ring 7 is further ensured, looseness is avoided between the PVC pipe main body 1, and further ensures the connection firmness of the PVC pipe main body 1.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a double-deck PVC pipe that cup joints, includes PVC pipe main part (1), splice assembly is installed at the both ends of PVC pipe main part (1), splice assembly includes joint one (2) and joint two (3), its characterized in that: install seal assembly on the nipple second (3), seal assembly includes inner ring (4) and lantern ring (6), install the chucking subassembly on the nipple first (2), the chucking subassembly includes snap ring (5) and outer loop (7), the one end of PVC pipe main part (1) is equipped with coupling assembling, coupling assembling includes extension board (8) and swivel nut (10), install locking subassembly on outer loop (7) and swivel nut (10), locking subassembly includes slot (11) and bayonet lock (13).

2. A double-layer jacketed PVC pipe as in claim 1, wherein: the connecting sleeve II (3) is integrally formed at one end of the PVC pipe main body (1), the connecting sleeve I (2) is integrally formed at the other end of the PVC pipe main body (1), and the support plate (8) is integrally formed at the outer side of one end of the PVC pipe main body (1).

3. A double-layer jacketed PVC pipe as in claim 2, wherein: the inner ring (4) and the lantern ring (6) are integrally formed on one side of the second connecting sleeve (3), and the clamping ring (5) and the outer ring (7) are integrally formed on the other side of the first connecting sleeve (2).

4. A double-layer jacketed PVC pipe as in claim 3, wherein: the inner diameter of the inner ring (4) is equal to the inner diameter of the PVC pipe main body (1), the outer diameter of the inner ring (4) is equal to the inner diameter of the clamping ring (5), the outer diameter of the clamping ring (5) is equal to the inner diameter of the lantern ring (6), the outer diameter of the lantern ring (6) is equal to the inner diameter of the outer ring (7), the inner side of the first connecting sleeve (2) is provided with a first conical surface, the outer side of the inner ring (4) is provided with a second conical surface, and the first conical surface is matched with the second conical surface.

5. A double-layer jacketed PVC pipe as in claim 1, wherein: one end of the screw sleeve (10) is clamped on one side of the support plate (8), the other end of the screw sleeve (10) extends to the other side of the support plate (8) beyond the outer side of the support plate (8), a sealing gasket (9) is bonded on the other side of the support plate (8), and the inner diameter of the screw sleeve (10) is equal to the outer diameter of the outer ring (7).

6. The double-layer sleeved PVC pipe according to claim 5, wherein: an inner thread is arranged on the inner wall of the screw sleeve (10), an outer thread is arranged on the outer side of the outer ring (7), and the inner thread is matched with the outer thread.

7. A double-layer jacketed PVC pipe as in claim 1, wherein: the groove (11) is formed in the outer side of the outer ring (7), the groove (11) is uniformly distributed on the outer ring (7), the clamping groove (12) is formed in the inner side of the screw sleeve (10), one end of the clamping pin (13) is clamped in the inner side of the clamping groove (12), and the other end of the clamping pin (13) penetrates through the clamping groove (12) and extends to the inner side of the groove (11) or the screw sleeve (10).

8. The double-layer jacketed PVC pipe of claim 7, wherein: one end of the bayonet lock (13) is connected with the inner wall of the clamping groove (12) through a spring (14), one end of the bayonet lock (13) is welded with a connecting rod (15), one end of the connecting rod (15) penetrates through the spring (14) and the clamping groove (12) and extends to the outer side of the screw sleeve (10), and the diameter of one end of the connecting rod (15) is larger than the inner diameter of the clamping groove (12).