CN211083266U

CN211083266U - Embedded pipe sealing device

Info

Publication number: CN211083266U
Application number: CN201921092751.5U
Authority: CN
Inventors: 贾文柱
Original assignee: Zhejiang Yingshi Plastic Co ltd
Current assignee: Zhejiang Yingshi Plastic Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-07-24
Anticipated expiration: 2029-07-12

Abstract

The utility model belongs to the technical field of the pipeline, concretely relates to pre-buried pipe closing means. The commonly used rubber plug at present generally has the problems of difficult disassembly, easy damage, short service life and the like. The utility model discloses an inner panel, planking, rubber circle and spliced pole, characteristics are: the spliced pole passes the central point of inner panel and planking and puts and fix the rubber circle between inner panel and planking, and exert the clamp force for the both ends of rubber circle with the screw hole cooperation of inner panel, closing device is clearance fit with the pipeline when the rubber circle is not atred, closing device can freely take out or put into from the pipeline mouth, the rubber circle receives outside inflation deformation to certain degree after the clamp force, closing device becomes interference fit with the pipeline, closing device firmly fixes in pipeline mouth department and has good leakproofness this moment, the rotation joint post adjustment clamp force size, with the deformation degree of adjustment rubber circle, realize closing device's quick installation and dismantlement. The utility model discloses the installation with dismantle simple, the leakproofness good, life is high.

Description

Embedded pipe sealing device

Technical Field

The utility model belongs to the technical field of the pipeline, concretely relates to pre-buried pipe closing means.

Background

The urban underground pipeline relates to a plurality of fields such as water supply, pollution discharge, gas, electric power, communication and the like, and is an important infrastructure for ensuring the normal operation of cities. Because underground pipelines are complicated and complicated, in order to avoid inconvenience caused by repeated excavation as much as possible, before laying construction of the underground pipelines, related planning departments can redesign and plan a plurality of reserved pipelines on the basis of meeting actual requirements, and the reserved pipelines cannot be immediately put into use after being built, so that two ends of the reserved pipelines need to be plugged, and sewage, sundries and the like are prevented from entering the pipelines to cause blockage. The plug that is comparatively commonly used at present is the rubber buffer with pipeline hole matched with, and this plug has the problem of difficult dismantlement after the installation, and fragile, is difficult to used repeatedly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design is reasonable, easy installation and dismantlement, long service life's pre-buried pipe closing means.

The utility model provides a technical scheme that above-mentioned problem adopted is: this pre-buried tub of closing device includes inner panel, planking, rubber circle and spliced pole, its characterized in that: the inner plate and the outer plate are of disc-shaped structures, the inner plate and the outer plate are respectively provided with a top plate with the same size and thickness, the outer side of the inner plate and the outer side of the outer plate are respectively provided with a circular step-shaped recess, 6 reinforcing ribs are uniformly distributed at the recesses, check rings with the same size are arranged at the inner side of the inner plate and the inner side of the outer plate, the central position of the inner plate is provided with a threaded hole, the central position of the outer plate is provided with a circular through hole, the outer side of the top plate of the outer plate is also provided with a baffle plate, the rubber ring is positioned between the inner plate and the outer plate, two end faces of the rubber ring are respectively abutted against the inner side face of the top plate of the inner plate and the inner side face of the top plate of the outer plate, the outer wall of the rubber ring is cylindrical, the inner wall of the rubber ring, the other end of the connecting column is connected with a disc, a hexagonal boss is arranged on the disc, and a hexagonal concave hole is formed in the center of the boss. When the sealing device is used, the inner plate, the rubber ring and the outer plate are connected into a whole by the connecting column, then the sealing device is pushed into the pipeline opening in the direction from the outer side of the inner plate to the inside of the pipeline until the end surface of the pipeline opening abuts against the baffle of the outer plate, at the moment, the rubber ring is in clearance fit with the inner wall of the pipeline, then the connecting column is screwed continuously to apply extrusion force to the rubber ring, the rubber ring expands and deforms outwards from the crease after being extruded due to the existence of the crease, and the gap between the inner wall of the pipeline and the rubber ring is filled, so that the sealing device is fixed in the pipeline opening, and good waterproof and sealing effects are achieved; when the embedded pipe sealing device is disassembled, the connecting column is only required to be reversely screwed out, so that the deformation of the rubber ring is recovered, and the embedded pipe sealing device can be easily taken down. The hexagon boss on the spliced pole and the hexagon shrinkage pool at boss center all are for the convenience of revolving the spliced pole soon to the design has special dismouting frock, can not destroy closing device's structure when the dismouting, realizes closing device's repetitious usage and possesses certain theftproof function.

As preferred, the utility model discloses an inner panel, planking and spliced pole are the PVC material, all adopt injection moulding. The PVC material has higher mechanical strength and corrosion resistance, so that the embedded pipe sealing device has longer service life, the injection molding production cost is low, the efficiency is high, and mass production can be realized.

As preferred, the utility model discloses a screw hole of inner panel and the screw thread section cooperation of spliced pole, the aperture of the circular through-hole of planking is greater than the external diameter of screw thread section. The utility model discloses the clamp force that relies on the screw hole of inner panel and the screw thread section of spliced pole makes the rubber circle warp and reaches fixed and sealed effect, and the aperture of the circular through-hole of planking is greater than the external diameter of screw thread section, and the spliced pole just can pass and cooperate with the screw hole from circular through-hole.

Preferably, the utility model discloses an outside direction of planking still is equipped with the shoulder hole, and the outside height of shoulder hole is the same with the height of the strengthening rib on the planking, and the intermediate level height of shoulder hole is the same with the height of circular through-hole. After the connecting column is screwed down, the disc of the connecting column falls into the stepped hole to position the outer plate, so that the outer plate is prevented from moving randomly.

Preferably, the utility model discloses an internal diameter of rubber circle both ends face is greater than the external diameter of retaining ring, and the external diameter of rubber circle is greater than the external diameter of roof. The retaining ring is used for limiting the position of the rubber ring, so that two end faces of the rubber ring are always firmly abutted to the top plate, the outer diameter of the rubber ring is larger than that of the top plate, and the top plate cannot interfere the rubber ring to be in contact with the inner wall of the pipeline to influence the sealing performance.

As preferred, the utility model discloses a rubber ring's both ends face is level and smooth, and circumference surface is smooth. The both ends face of rubber circle levels and makes it receive the extrusion force after, and the deformation in each direction is more even, and the smooth laminating degree that improves rubber circle and pipeline inner wall of circumference surface improves the firmness, improves the leakproofness.

Compared with the prior art, the utility model, have following advantage and effect:

(1) The structure is reasonable. The utility model discloses be clearance fit with the pipeline under the initial condition, rely on rubber circle atress to warp the back and the pipeline inner wall extrusion is fixed with closing means and realize better leakproofness, compare with the interference fit of traditional approach, change in installation and dismantlement.

(2) Strong corrosion resistance and long service life. The utility model discloses an what inner panel, planking and spliced pole all adopted is the PVC material that has higher mechanical strength and corrosion resistance, and the rubber circle is located between inner panel and the planking, and is little with external area of contact, also difficult be corroded, just the utility model discloses use special frock to install and dismantle and can not cause great damage to the device, repeatedly usable has longer life.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic front sectional view of an embodiment of the present invention.

Fig. 3 is a schematic diagram of an outer side three-dimensional structure of an inner plate according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of an inner plate inner side three-dimensional structure according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of an outer plate outer side three-dimensional structure according to an embodiment of the present invention.

Fig. 6 is a schematic view of an inner side three-dimensional structure of an outer plate according to an embodiment of the present invention.

Fig. 7 is a schematic view of a three-dimensional structure of a connection column according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a rubber ring body according to an embodiment of the present invention.

Description of reference numerals: 1. an inner plate; 2. an outer plate; 3. a rubber ring; 4. connecting columns; 5. a threaded hole; 6. recessing; 7. reinforcing ribs; 8. a top plate; 9. a retainer ring; 10. a circular through hole; 11. a baffle plate; 12. a threaded segment; 13. a disc; 14. a boss; 15. concave holes; 16. folding; 17. a stepped bore.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

Referring to fig. 1 to 8, the embedded pipe sealing device of the present embodiment includes an inner plate 1, an outer plate 2, a rubber ring 3, and a connection column 4.

The inner plate 1, the outer plate 2 and the connecting column 4 of the embodiment are all made of PVC materials and are formed by injection molding. The PVC material has higher mechanical strength and corrosion resistance, so that the embedded pipe sealing device has longer service life, low injection molding production cost and high efficiency.

The inner panel 1 and the planking 2 of this embodiment all are equipped with the roof 8 that size and thickness are the same, roof 8 is used for enclosing 3 the clamp of rubber between inner panel 1 and planking 2, and the outside of inner panel 1 and the outside of planking 2 all are equipped with sunken 6 of circular step form, 6 evenly distributed of sunken 6 department have 6 strengthening ribs 7, the existence of sunken 6 is for alleviateing the weight of inner panel 1 and planking 2, and save raw and other materials, set up the intensity and the resistance to deformation ability that strengthening rib 7 can improve the sheet material, keep the size stability. The inner side of the inner plate 1 and the inner side of the outer plate 2 are both provided with retaining rings 9, and the retaining rings 9 can limit circumferential movement of the rubber ring 3 between the inner plate 1 and the outer plate 2 and prevent the rubber ring 3 from being dislocated. The outside of the outer plate 2 is also provided with a baffle 11, and the diameter of the baffle 11 is larger than that of the pipeline opening, so that the sealing device is prevented from completely sliding into the pipeline.

The central point of inner panel 1 of this embodiment puts and is equipped with screw hole 5, and the central point of planking 2 puts and is equipped with circular through-hole 10, and circular through-hole 10 still is equipped with shoulder hole 17 outward, and is corresponding, and spliced pole 4 includes screw thread section 12 and disc 13, and screw hole 5 cooperates with the screw thread section 12 of spliced pole 4, and the aperture of circular through-hole 10 is greater than the external diameter of screw thread section 12, and the external diameter of disc 13 slightly is less than the internal diameter of shoulder hole 17. Rely on the screw hole 5 of inner panel 1 and the screw thread section 12 cooperation of spliced pole 4 to fix each part, the aperture of the circular through-hole 10 of planking 2 is greater than the screw thread external diameter of screw thread section 12, and the screw thread section 13 of spliced pole 4 just can pass and cooperate with screw hole 5 from circular through-hole 10. After the connecting column 4 is screwed down, the disc 13 falls in the stepped hole 17 to limit the circumferential movement of the outer plate 2.

The both ends face of the rubber circle 3 of this embodiment is level and smooth and the circumference surface is smooth, and the outer wall of rubber circle 3 is cylindrical, and the inner wall is outwards extended gradually by both ends toward the intermediate position, forms round crease 16 at the intermediate position of inner wall. When exerting the extrusion force to it from the both ends of rubber circle 3, because the existence of crease 16, rubber circle 3 outwards inflation deformation from crease 16, the rubber circle after the deformation extrudees each other with the pipeline inner wall, fixes closing device in the pipeline, and the both ends face of rubber circle 3 levels and makes 3 atress of rubber circle even, and the deflection of all directions is unanimous basically, and the surface smoothness can improve the laminating degree of rubber circle 3 and pipeline inner wall, improves and combines the firmness, improves the leakproofness.

The spliced pole 4 of this embodiment still is equipped with hexagon boss 14 and hexagon shrinkage pool 15, and boss 14 and shrinkage pool 15 are all for the ease of revolving to twist spliced pole 4, have designed dedicated dismouting frock of closing device simultaneously and boss 14 and shrinkage pool 15 cooperation, can not destroy the structure of closing device with this frock when the dismouting, realize using repeatedly of closing device, and cause the damage easily when ordinary method is dismantled, consequently this device also possesses certain theftproof function.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a pre-buried tub of closing device, includes inner panel (1), planking (2), rubber circle (3) and spliced pole (4), its characterized in that: the inner plate (1) and the outer plate (2) are disc-shaped structures, the inner plate (1) and the outer plate (2) are both provided with top plates (8) with the same size and thickness, the outer side of the inner plate (1) and the outer side of the outer plate (2) are both provided with circular step-shaped recesses (6), 6 reinforcing ribs (7) are distributed in the recesses (6) in an equal distribution manner, the inner side of the inner plate (1) and the inner side of the outer plate (2) are both provided with check rings (9) with the same size, the central position of the inner plate (1) is provided with a threaded hole (5), the central position of the outer plate (2) is provided with a circular through hole (10), the outer side of the top plate (8) of the outer plate (2) is also provided with a baffle (11), the rubber ring (3) is positioned between the inner plate (1) and the outer plate (2), the two end faces of the rubber ring (3) are respectively abutted against the inner side faces of the, the outer wall of rubber circle (3) is cylindrically, and the inner wall of rubber circle (3) is outwards extended gradually toward intermediate position by both ends face, forms round crease (16) at the intermediate position of inner wall, the central point that inner panel (1) and planking (2) were installed in spliced pole (4) puts, and the one end of spliced pole (4) is screw thread section (12), and the other end of spliced pole (4) is connected with disc (13), is equipped with hexagonal boss (14) on disc (13), and the central point of boss (14) puts and is equipped with hexagonal shrinkage pool (15).

2. The embedded pipe closing device according to claim 1, wherein: the inner plate (1), the outer plate (2) and the connecting column (4) are all made of PVC materials and are all formed by injection molding.

3. The embedded pipe closing device according to claim 1, wherein: the screw hole (5) of the inner plate (1) is matched with the screw thread section (12) of the connecting column (4), and the aperture of the circular through hole (10) of the outer plate (2) is larger than the outer diameter of the screw thread section (12).

4. The embedded pipe closing device according to claim 1, wherein: the outer side of the outer plate (2) is further provided with a stepped hole (17), the height of the outer side of the stepped hole (17) is the same as that of the reinforcing rib (7) on the outer plate (2), and the height of the middle layer of the stepped hole (17) is the same as that of the circular through hole (10).

5. The embedded pipe closing device according to claim 1, wherein: the inner diameters of two end faces of the rubber ring (3) are larger than the outer diameter of the retainer ring (9), and the outer diameter of the rubber ring (3) is larger than the outer diameter of the top plate (8).

6. The embedded pipe closing device according to claim 1, wherein: the two end surfaces of the rubber ring (3) are smooth, and the circumferential outer surface is smooth.