WO2021232685A1

WO2021232685A1 - Socket and receptacle using diameter difference to mesh with each other for locking and preventing separation

Info

Publication number: WO2021232685A1
Application number: PCT/CN2020/125212
Authority: WO
Inventors: 徐冶锋
Original assignee: 江苏狼博管件制造有限公司
Priority date: 2020-05-20
Filing date: 2020-10-30
Publication date: 2021-11-25
Also published as: CN213929911U

Abstract

Provided are a socket and receptacle using diameter difference to mesh with each other for locking and preventing separation, comprising a socket pipe (1); the socket pipe (1) is movably connected to a receptacle pipe (2); the outer wall of the receptacle pipe (2) located in the socket pipe (1) is fixedly sleeved with a plurality of first ring-shaped bosses (3); a sealing ring (4) is fixedly connected between the plurality of first ring-shaped bosses (3); the right end of the socket pipe (1) is fixedly connected to a ring plate (5); the inner diameter of the ring plate (5) is smaller than the diameter of the first ring-shaped boss (3); the right end of the ring plate (5) is provided with a tapered hole (6); the right end of the receptacle pipe (2) is fixedly connected to a snap-fit plate (7); the outer diameter of the snap-fit plate (7) is greater than the diameter of the tapered hole (6); the left end of the socket pipe (1) is fixedly connected to a water outlet pipe (8); the right end of the receptacle pipe (2) is fixedly connected to a water inlet pipe (9). The structure better prevents the problem of the receptacle pipe (2) becoming easily detached from the socket pipe (1), and improves the de-icing performance of the joint between the socket pipe (1) and the receptacle pipe (2).

Description

A socket and socket that adopts the difference in diameter to lock each other to lock and prevent from falling off

Technical field

The utility model relates to the technical field of pipeline connection, in particular to a socket and a socket that adopts a diameter difference to engage each other to lock and prevent falling off.

Background technique

There are many ways to connect plastic or plastic composite sewage pipes. The rigid connection process is too complex and difficult to construct. It is also facing settlement, displacement, thermal expansion and contraction without compensation, which may cause the interface or the pipe body to be damaged. The socket type rubber ring seal belongs to the flexible interface installation, which is more convenient and widely used.

The existing socket type rubber ring seal is a flexible interface, and there is no anti-drop mechanism. Due to the thermal barrier and cold shrinkage, the axial compensation caused by the temperature difference before backfilling will easily cause the socket and the socket to loosen, resulting in easy interface. Leakage occurs, and the existing pipelines are directly buried underground. When the weather temperature is low, it is easy to cause the joints to be frozen and cracked.

Utility model content

The purpose of the utility model is to solve the problem that the socket and socket seals in the prior art are likely to be frozen and cracked when the socket and socket are loosened due to the axial compensation caused by the temperature difference before backfilling and the temperature is low. Problem, and proposed a socket and socket that use a diameter difference to lock each other to lock and prevent from falling off.

In order to achieve the above purpose, the present utility model adopts the following technical solutions:

A socket and a socket that use a diameter difference to lock each other to lock and prevent slippage, including a socket tube, a socket tube is movably sleeved in the socket tube, and the outer wall of the socket tube located in the socket tube is provided with a plurality of fixed sleeves A first ring-shaped boss, a sealing ring is fixedly connected between the plurality of ring-shaped bosses, a ring plate is fixedly connected to the right end of the socket tube, and the inner diameter of the ring plate is smaller than that of the first ring boss Diameter, the right end of the ring plate is provided with a tapered hole, the right end of the socket pipe is fixedly connected with a clamping plate, the outer diameter of the clamping plate is larger than the diameter of the tapered hole, and the left end of the socket pipe is fixedly connected with The outlet pipe, the right end of the socket pipe is fixedly connected with a water inlet pipe.

Preferably, the outer fixing sleeve of the water inlet pipe is provided with a first heat preservation pipe, the outer wall of the outlet pipe is fixed with a second heat preservation pipe, and the first heat preservation pipes are fixedly connected by a plurality of fixing devices. The fixing device includes a U-shaped plate fixedly connected to the left end of the first heat-preserving pipe, a fixing rod is fixedly connected to the side of the second heat-preserving pipe close to the first heat-preserving pipe, and a sliding hole is opened on the side wall on the left side of the U-shaped plate , The fixed rod passes through the sliding hole, the right end of the fixed rod is fixedly connected to a limit plate, the same return spring is fixedly connected between the limit plate and the U-shaped plate, and the return spring is movably sleeved on the fixed The wall of the pole.

Preferably, the outer wall of the socket tube is fixedly connected with a plurality of second annular bosses, and the outer wall of the socket tube is fixedly connected with a plurality of linear bosses.

Preferably, the side walls on the opposite side of the limit plate are fixedly connected with a slider, and the side wall of the U-shaped plate is provided with a sliding groove matching the slider.

Preferably, a sponge tube is fixedly connected to the inner wall of the first insulation tube.

Preferably, the specific material of the ring plate and the first annular boss is plastic.

Compared with the prior art, the present utility model provides a socket and socket that adopts the difference in diameter to lock and lock and prevent falling off with each other, and has the following beneficial effects:

1. The sockets and sockets that use the difference in diameter to lock each other to lock the anti-dropping, through the socket tube, socket tube, first annular boss, sealing ring, ring plate, tapered hole and clamping plate, when in use , Insert the socket tube into the socket tube. When the first annular boss passes through the ring plate, under the action of the squeezing force, both the first ring boss and the ring plate are elastically deformed, so that the first ring plate with a larger diameter will be deformed elastically. The ring-shaped boss can pass through the ring plate with the smaller inner diameter. After insertion, the first ring-shaped boss and the ring plate are restored to their original shape. Since the diameter of the first ring-shaped boss gradually increases from left to right, the first ring The ring boss is easier to insert into the ring plate, but it is very difficult to exit the ring plate, so it can effectively prevent the socket tube from separating from the socket tube. It avoids the problem that the socket tube is easily separated from the socket tube.

2. The sockets and sockets that use the difference in diameter to lock each other to lock the anti-dropping, through the first insulation pipe, the second insulation pipe, the U-shaped plate, the fixed rod, the sliding hole, the limit plate and the return spring, the first The heat preservation pipe and the second heat preservation pipe can protect the connection between the socket pipe and the socket pipe, and improve the antifreeze performance of the interface. The fixed rod and the U-shaped plate are arranged to cooperate with each other to keep the first heat preservation pipe and the second heat preservation pipe. There can be a certain degree of compensation for movement between the pipes, between the socket pipe and the socket pipe. When thermal expansion and contraction occur, the first insulation pipe and the second insulation pipe, the socket pipe and the socket pipe will not be broken. The device can improve the bearing The antifreeze performance of the connection between the mouth tube and the socket tube.

The parts not involved in the device are the same as the prior art or can be realized by using the prior art. The utility model better avoids the problem that the socket tube is easily separated from the socket tube, and can improve the connection between the socket tube and the socket tube. Antifreeze performance.

Description of the drawings

Figure 1 is a schematic diagram of the structure of a socket and socket proposed by the utility model that use a diameter difference to lock and lock and prevent falling off;

Fig. 2 is a schematic diagram of the structure of part A in Fig. 1.

In the picture: 1 socket pipe, 2 socket pipe, 3 first annular boss, 4 sealing ring, 5 ring plate, 6 tapered hole, 7 clamping plate, 8 water outlet pipe, 9 water inlet pipe, 10 first heat preservation pipe , 11 second heat preservation pipe, 12 U-shaped plate, 13 fixed rod, 14 sliding hole, 15 limit plate, 16 return spring, 17 second annular boss, 18 linear boss.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all implementations. example.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", The orientation or positional relationship indicated by “outside” is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation , It is constructed and operated in a specific orientation, so it cannot be understood as a limitation of the present utility model.

Refer to Figure 1-2, a socket and socket that adopts a diameter difference to lock each other to lock and prevent slippage, including a socket tube 1, a socket tube 2 is movably sleeved in the socket tube 1, and the socket tube 2 is located on the socket tube 1 The inner and outer walls are fixedly sleeved with a plurality of first annular bosses 3, a sealing ring 4 is fixedly connected between the plurality of annular bosses 3, and the right end of the socket pipe 1 is fixedly connected with a ring plate 5, and the ring plate 5 The inner diameter is smaller than the diameter of the first annular boss 3, the right end of the ring plate 5 is provided with a tapered hole 6, and the right end of the socket tube 2 is fixedly connected with a clamping plate 7. The outer diameter of the clamping plate 7 is larger than the diameter of the tapered hole 6. A water outlet pipe 8 is fixedly connected to the left end of the socket pipe 1, and a water inlet pipe 9 is fixedly connected to the right end of the socket pipe 2.

The outer fixing sleeve of the inlet pipe 9 is provided with a first insulation pipe 10, and the outer wall of the outlet pipe 8 is fixed with a second insulation pipe 11, and the first insulation pipes 10 are fixedly connected by a plurality of fixing devices. A U-shaped plate 12 is fixedly connected to the left end of the thermal insulation pipe 10, and a fixing rod 13 is fixedly connected to the side of the second thermal insulation pipe 11 close to the first thermal insulation pipe 10. 13 passes through the sliding hole 14, the right end of the fixed rod 13 is fixedly connected to the limit plate 15, and the same return spring 16 is fixedly connected between the limit plate 15 and the U-shaped plate 12. The return spring 16 is movably sleeved on the fixed rod 13 Pole wall.

The outer wall of the socket pipe 1 is fixedly connected with a plurality of second annular bosses 17, and the outer wall of the socket pipe 1 is fixedly connected with a plurality of linear bosses 18. The second annular bosses 17 and the linear bosses 18 can improve The ring stiffness carried by the socket pipe 1.

The side walls on the opposite side of the limit plate 15 are fixedly connected with sliders, and the side walls of the U-shaped plate 12 are provided with sliding grooves that match the sliders. Perform a limit to prevent the limit plate 15 from rotating.

The inner wall of the first thermal insulation pipe 10 is fixedly connected with a sponge tube to improve the thermal insulation effect.

The specific material of the ring plate 5 and the first annular boss 3 is plastic, so that the ring plate 5 and the first ring boss 3 can be elastically deformed.

In the utility model, when in use, the socket tube 2 is inserted into the socket tube 1. When the first annular boss 3 passes the ring plate 5, under the action of the pressing force, the first ring boss 3 and the ring plate 5 are elastically deformed, so that the first annular boss 3 with a larger diameter can pass through the ring plate 5 with a smaller inner diameter. The diameter of the shaped boss 3 gradually increases from left to right. The first annular boss 3 is easier to insert into the ring plate 5, but it is very difficult to exit the ring plate 5, so it can effectively prevent the socket tube 2 from falling off the socket Tube 1, this device fixes the socket tube 1 and the socket tube 2 by using a diameter difference bite method, which better avoids the problem that the socket tube 2 is easily separated from the socket tube 1. The first insulation tube 10 and the second insulation tube The 11 pipe can protect the connection between the socket pipe 1 and the socket pipe 2 to improve the antifreeze performance at the interface, and the fixed rod 13 and the U-shaped plate 12 are provided to cooperate with each other to make the first heat preservation pipe 10 and the second heat preservation pipe There can be a certain degree of compensation for movement between the pipes 11, between the socket pipe 1 and the socket pipe 2. When thermal expansion and contraction occur, the first insulation pipe 10 and the second insulation pipe 11, the socket pipe 1 and the socket pipe 2 will not Broken, the device can improve the antifreeze performance of the joint between the socket pipe 1 and the socket pipe 2.

The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited to this. Anyone familiar with the technical field within the technical scope disclosed by the present utility model, according to the present utility model The technical solution of the new type and its utility model concept with equivalent replacements or changes shall be covered by the scope of protection of the present utility model.

Claims

A socket and socket that use a diameter difference to lock each other to lock and prevent slippage, comprising a socket tube (1), characterized in that a socket tube (2) is movably sleeved in the socket tube (1), and The outer wall of the socket tube (2) located in the socket tube (1) is fixedly sleeved with a plurality of first annular bosses (3), and a sealing ring ( 4), the right end of the socket pipe (1) is fixedly connected with a ring plate (5), the inner diameter of the ring plate (5) is smaller than the diameter of the first annular boss (3), and the ring plate (5) The right end of) is provided with a tapered hole (6), the right end of the socket tube (2) is fixedly connected with a clamping plate (7), and the outer diameter of the clamping plate (7) is larger than the diameter of the tapered hole (6), The left end of the socket pipe (1) is fixedly connected with a water outlet pipe (8), and the right end of the socket pipe (2) is fixedly connected with a water inlet pipe (9).
According to claim 1, a socket and socket that use a diameter difference to lock each other to lock and prevent slippage, characterized in that the outer fixed sleeve of the water inlet pipe (9) is provided with a first insulation pipe (10), and The outer wall of the outlet pipe (8) is fixedly sleeved with a second insulation pipe (11), and the first insulation pipes (10) are fixedly connected with each other by a plurality of fixing devices, and the fixing device includes the first insulation pipe (10). ) A U-shaped plate (12) fixedly connected to the left end, a fixing rod (13) is fixedly connected to the side of the second insulation pipe (11) close to the first insulation pipe (10), and the U-shaped plate (12) is fixedly connected to the left The side wall is provided with a sliding hole (14), the fixed rod (13) passes through the sliding hole (14), and the right end of the fixed rod (13) is fixedly connected to the limit plate (15), and the limit plate The same return spring (16) is fixedly connected between (15) and the U-shaped plate (12), and the return spring (16) is movably sleeved on the rod wall of the fixed rod (13).
According to claim 1, a socket and socket that use a diameter difference to lock each other to lock and prevent slippage, characterized in that the outer wall of the socket tube (1) is fixedly connected with a plurality of second annular bosses ( 17) A plurality of linear bosses (18) are fixedly connected to the outer wall of the socket pipe (1).
According to claim 2, a socket and socket for locking and anti-falling off by using a diameter difference to engage each other, characterized in that the side walls on the opposite side of the limit plate (15) are fixedly connected with a slider, The side wall of the U-shaped plate (12) is provided with sliding grooves matched with the sliding block.
According to claim 2, a socket and socket that use a diameter difference to lock each other to lock and prevent falling off, characterized in that the inner wall of the first insulation tube (10) is fixedly connected with a sponge tube.
According to claim 1, a socket and socket that uses a diameter difference to lock each other to lock and prevent slippage, characterized in that the specific material of the ring plate (5) and the first annular boss (3) is plastic .