CN216952153U - Self-sealing socket joint - Google Patents

Abstract

The utility model discloses a self-sealing spigot-and-socket joint, which comprises a spigot pipe body and a socket pipe body, wherein a spigot end is arranged at one end of the spigot pipe body, which is connected with the socket pipe body, a socket end is arranged at one end of the socket pipe body, which is connected with the spigot pipe body, mutually-meshed teeth are arranged on the outer wall of the spigot end and the inner wall of the socket end, a plurality of movable cavities are arranged on the inner wall of the socket end, movable blocks are arranged inside the movable cavities, steel balls are welded and fixed on the outer sides of the movable blocks, a plurality of arc-shaped notches matched with the steel ball structures are arranged on the outer wall of the spigot end, and a plurality of strong springs are connected between the inner sides of the movable blocks and the bottom wall of the movable cavities. This self sealss socket joint can make socket body and bellmouth body connect more firmly, stability when improving the body butt joint to guarantee sealed effect.

Description

Self-sealing socket joint

Technical Field

The utility model relates to the technical field of socket connectors, in particular to a self-sealing socket connector.

Background

The spigot-and-socket method refers to a technical means used for connection between pipe holes in pipe engineering construction. In the construction of pipeline engineering, the spigot-and-socket method is used, and respectively includes two kinds of single-hole plastic pipe and porous plastic pipe, and the spigot-and-socket pipeline is formed from several pipe sections which are connected together, one end of every pipe section is a spigot, and another end is a socket, and the bore of the spigot end is partially enlarged, and its internal diameter is greater than external diameter of spigot end, and the mounting connection is that the spigot of the pipe section is inserted into the socket of another pipe section, and the ring gap between two sockets is filled up by means of interface material, and said interface material can be rubber ring, expansive material or asbestos cement, and under the special condition also can be used green lead interface.

The existing pipe socket joint part is butted through the mutually meshed teeth, the mode of butt joint easily generates slight deformation to the teeth in the operation process, the teeth are abraded, and therefore the connection stability of the socket pipe body and the socket pipe body is reduced, and the sealing effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-sealing socket and spigot to solve the problem that when the existing pipeline socket and spigot provided by the background art is butted through mutually meshed teeth, the teeth are easy to slightly deform and wear, so that the stability of connection between pipe bodies is affected.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a self sealss spigot and socket joint, includes socket body and bellmouth body, the socket body is equipped with the spigot end with the one end that the bellmouth body is connected, the bellmouth body is equipped with the bellmouth end with the one end that the socket body is connected, the outer wall of spigot end and the inner wall of bellmouth end are equipped with intermeshing's tooth, just be equipped with a plurality of activity chamber on the inner wall that the bellmouth end leaned on the inboard, the inside in activity chamber is equipped with the movable block, the outside welded fastening of movable block has the steel ball, be equipped with a plurality of and the identical arc notch of steel ball structure on the outer wall of spigot end, and be connected with a plurality of powerful spring between the inboard of movable block and the diapire in activity chamber.

Preferably, the steel balls are distributed on the inner wall of the female end in a surrounding shape at equal intervals, and the arc-shaped notches on the outer wall of the female end correspond to the positions of the steel balls one by one.

Preferably, an elastic hoop is further arranged on the outer wall of the socket end, clamping blocks are fixed to the upper end and the lower end of the outer wall of the elastic hoop, and a clamping groove matched with the clamping block in structure is formed in the inner wall, close to the outer side, of the socket end.

Preferably, the elasticity clamp is located the one side that is close to the socket body, just be equipped with elastic rubber between the inner wall of elasticity clamp and the outer wall of socket end.

Preferably, a plurality of trapezoidal bulges are arranged on the bottom wall inside the female end in an encircling manner, and trapezoidal clamping holes matched with the trapezoidal bulges are formed in one side, pressed against the bottom wall inside the female end, of the female end.

Preferably, the outer wall of the socket end is further provided with a rubber sealing ring in a bonding mode, and the rubber sealing ring is located on the outer side of the joint of the socket end and the socket end.

Compared with the prior art, the utility model has the beneficial effects that: this self sealss socket joint can make socket body and bellmouth body connect more firmly, stability when improving the body butt joint to guarantee sealed effect. When the socket body of the device is inserted into the inside of the socket end through the socket end bearing and is butted with the socket body, the inner wall of the socket end can be fixedly connected in an arc-shaped notch on the outer wall of the socket end by clamping under the driving of the movable block, and the elastic clamp on the outer wall of the socket end can further fixedly connect the clamping block in the clamping groove of the inner wall of the socket end under the acting force of elastic rubber, so that the firmness of the socket body when being butted with the socket body is improved, and the sealing effect is better.

Drawings

FIG. 1 is a schematic structural view of a self-sealing spigot-and-socket joint of the present invention;

FIG. 2 is an enlarged schematic view of the self-sealing spigot and socket joint at A in FIG. 1;

fig. 3 is an enlarged structural schematic view of the self-sealing socket in fig. 1 at the position B.

In the figure: 1. a socket tube body; 2. a socket end; 3. a female end; 4. a socket pipe body; 5. a rubber seal ring; 6. teeth; 7. a trapezoidal protrusion; 8. a movable cavity; 9. steel balls; 10. a movable block; 11. a strong spring; 12. a clamping block; 13. an elastic clamp; 14. an elastic rubber.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a self-sealing spigot-and-socket joint comprises a spigot pipe body 1 and a socket pipe body 4, wherein a pipe layer is formed by spirally winding a layer of solid strips, the solid strips are combined together in a hot melting connection mode, the internal stress of a material is extruded, the thickness of the pipe wall is easy to control, and the thickness is uniform; the pipe roundness standard is high because of adopting a winding process, the roundness is absolutely standard, the tear resistance of the pipe is high, the pipe is not easy to tear, the quality and the use reliability of the pipe are greatly improved, the pipe is a film-coated spiral winding solid-wall pipe, the pipe is a film-shaped pipe extruded by a die and is adhered into a solid wall in a hot melting connection mode, one end of a socket pipe body 1 connected with a socket pipe body 4 is provided with a socket end 2, one end of the socket pipe body 4 connected with the socket pipe body 1 is provided with a socket end 3, the outer wall of the socket end 2 and the inner wall of the socket end 3 are provided with teeth 6 which are mutually meshed, the inner wall of the socket end 3 close to the inner side is provided with a plurality of movable cavities 8, the movable blocks 10 are arranged inside the movable cavities 8, steel balls 9 are welded and fixed on the outer sides of the movable blocks 10, a plurality of arc-shaped notches which are matched with the steel balls 9 are arranged on the outer wall of the socket end 2, and a plurality of strong springs 11 are connected between the inner sides of the movable blocks 10 and the bottom walls of the movable cavities 8, when the socket pipe body 1 is butted with the socket pipe body 4 in the inner part of the socket end 3 through the socket end 2 socket joint, the socket end 2 and the socket end 3 can be connected and sealed through the mutual meshing of the teeth 6, and the movable block 10 can drive the steel balls 9 to be clamped in the arc-shaped concave grooves on the outer wall of the socket end 2 under the action of the powerful spring 11 in the internal movement of the movable cavity 8, so that the socket end 3 realizes the further limiting and fixing of the socket end 2 to the socket end 2, thereby the socket pipe body 1 and the socket pipe body 4 are more firmly connected, the stability is stronger, the sealing effect is effectively ensured, the steel balls 9 are distributed on the inner wall of the socket end 3 in a surrounding shape and at equal intervals, the arc-shaped concave grooves on the outer wall of the socket end 2 correspond to the positions of the steel balls 9 one by one, the socket end 3 of the structure can be clamped in the arc-shaped concave grooves on the outer wall of the socket end 2 in a surrounding shape through the steel balls 9, therefore, the effect of limiting and fixing the socket end 2 by the socket end 3 is improved, the outer wall of the socket end 2 is also provided with an elastic hoop 13, the upper end and the lower end of the outer wall of the elastic hoop 13 are both fixed with clamping blocks 12, the inner wall of the outer side of the socket end 3 is provided with a clamping groove matched with the clamping block 12 in structure, the elastic hoop 13 is positioned at one side close to the socket pipe body 1, and elastic rubber 14 is arranged between the inner wall of the elastic hoop 13 and the outer wall of the socket end 2, when the socket end 2 is inserted and connected in the socket end 3, the elastic hoop 13 can extrude the clamping block 12 to the clamping groove position of the inner wall of the socket end 3 under the action force of the elastic rubber 14 and clamp and fix, so that the socket end 2 can also limit and fix the socket end 3, thereby further improving the firmness when the socket pipe body 1 is butted with the socket pipe body 4, ensuring better sealing effect, the bottom wall in the socket end 3 is provided with a plurality of trapezoidal bulges 7 in a surrounding way, and the bottom wall abutting-pressing side of the socket end 2 and the inner part of the female end 3 is provided with a trapezoidal clamping hole matched with the trapezoidal bulge 7, when the socket end 2 is inserted into the female end 3, the socket end 2 can clamp the trapezoidal clamping hole at the outer end outside the trapezoidal bulge 7, so that the female end 3 can play a role of pre-positioning the socket angle of the socket end 2, the efficiency of the socket pipe body 1 and the female pipe body 4 is ensured when the socket pipe body 1 is butted, the outer wall of the socket end 2 is also provided with a rubber sealing ring 5 in a bonding manner, the rubber sealing ring 5 is positioned outside the joint of the socket end 2 and the female end 3, the rubber sealing ring 5 with the structure can play a further sealing role in the joint of the socket end 2 and the female end 3, and the leakage of a medium circulating inside the socket pipe body 1 and the female pipe body 4 is prevented.

The working principle is as follows: when the self-sealing socket joint is used, firstly, when the socket pipe body 1 and the socket pipe body 4 are required to be butted, the socket end 2 is firstly inserted into the socket end 3, when the socket end 2 is pressed against the bottom wall inside the socket end 3, the trapezoidal clamping hole is clamped outside the trapezoidal bulge 7 for pre-positioning, in the inserting process of the socket end 2, the steel ball 9 is pressed by the outer wall of the socket end 2 to drive the movable block 10 to extrude the strong spring 11 to shrink, when the arc-shaped notch on the outer wall of the socket end 2 slides to the position of the steel ball 9, the steel ball 9 is clamped in the arc-shaped notch on the outer wall of the socket end 2 under the reset acting force of the strong spring 11 again, so that the socket end 2 is limited and fixed by the socket end 3, the socket end 2 and the socket end 3 are mutually engaged and connected by the teeth 6, and simultaneously, the socket end 2 drives the fixture block 12 to extrude on the inner wall of the socket end 3 to slide in the inserting process, when the fixture block 12 moves to the draw-in groove position of 3 inner walls of bell end, elasticity clamp 13 is with the draw-in groove of fixture block 12 block at 3 inner walls of bell end under the effort of elastic rubber 14 for socket end 2 also can realize spacing fixed to bell end 3, this fastness when making socket body 1 and bell end body 4 butt joint is better, with this sealed effect of assurance, simultaneously when socket body 1 and bell end body 4 in-process of using, rubber seal 5 can play further sealed effect to socket end 2 and 3 junctions of bell end, thereby accomplish a series of work.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a self sealss socket joint, includes socket body (1) and bellmouth body (4), its characterized in that: socket body (1) is equipped with socket end (2) with the one end that socket body (4) are connected, the one end that socket body (4) are connected with socket body (1) is equipped with socket end (3), the outer wall of socket end (2) and the inner wall of socket end (3) are equipped with intermeshing's tooth (6), just be equipped with a plurality of activity chamber (8) on the inner wall that socket end (3) leaned on the inboard, the inside in activity chamber (8) is equipped with movable block (10), the outside welded fastening of movable block (10) has steel ball (9), be equipped with the identical arc notch of a plurality of and steel ball (9) structure on socket end (2) outer wall, and be connected with a plurality of powerful spring (11) between the inboard of movable block (10) and the diapire in activity chamber (8).

2. The self-sealing spigot and socket of claim 1, wherein: the steel balls (9) are distributed on the inner wall of the female end (3) in a surrounding shape at equal intervals, and the arc-shaped notches in the outer wall of the female end (2) correspond to the steel balls (9) one by one.

3. The self-sealing spigot and socket of claim 1, wherein: still be equipped with elasticity clamp (13) on the outer wall of spigot end (2), just the upper and lower both ends of elasticity clamp (13) outer wall all are fixed with fixture block (12), and be equipped with the draw-in groove identical with fixture block (12) structure on the inner wall that female end (3) leaned on the outside.

4. The self-sealing spigot and socket of claim 3, wherein: elasticity clamp (13) are located the one side that is close to socket body (1), just be equipped with elastic rubber (14) between the inner wall of elasticity clamp (13) and the outer wall of socket end (2).

5. The self-sealing spigot and socket of claim 1, wherein: the bottom wall of the inner part of the female end (3) is provided with a plurality of trapezoidal bulges (7) in an encircling manner, and one side of the bottom wall of the inner part of the female end (2) and the female end (3) is provided with trapezoidal clamping holes matched with the structures of the trapezoidal bulges (7) in an abutting manner.

6. The self-sealing spigot and socket of claim 1, wherein: still bond on the outer wall of spigot end (2) and be equipped with rubber seal (5), just rubber seal (5) are located the outside of spigot end (2) and female end (3) junction.

Images