CN215294043U

CN215294043U - Water pipe centering elastic connecting device

Info

Publication number: CN215294043U
Application number: CN202121229137.6U
Authority: CN
Inventors: 丁雪峰; 丁笑晗
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-24
Anticipated expiration: 2031-06-03

Abstract

The utility model belongs to a water pipe connecting piece technical field relates to a water pipe centering elastic connection device. The water pipe centering elastic connecting device comprises a connecting body (1), a sealing ring (2), a fixing piece (3) and an elastic clamping sleeve (4); the connector (1) sequentially comprises a pipe fitting end placing section (5), a pipe fitting end correcting section (6), a sealing ring placing section (7) and an end section (8) from the center to the outside along the axis; the inner wall of the front end of the fixing piece (3) is provided with internal threads (11), and the rear end of the fixing piece (3) is provided with a conical closing-in (12); the outer side of the front end of the fixing piece (3) is hexagonal or octagonal; the front end of the elastic clamping sleeve (4) is provided with a sliding ring (13), and the outer wall of the rear end of the elastic clamping sleeve (4) is provided with a conical clamp (14). The utility model discloses simple structure, easy and simple to handle, labour saving and time saving, water pipe centering connection speed are fast.

Description

Water pipe centering elastic connecting device

Technical Field

The utility model belongs to a water pipe connecting piece technical field relates to a water pipe centering elastic connection device.

Background

Chinese patent CN207298151U discloses a water pipe elastic connection device, the device's connector is installed at the connection position between the water pipe, install the sealing washer in connector end inboard, water pipe end cartridge is in the sealing washer, the mounting is installed to the end of water pipe, the mounting front end is connected on the connector, rear end processing has the tapering to close up, the cover is equipped with on the inboard water pipe of mounting tapering to close up takes open-ended elastic card cover, the elastic card cover outer wall is the tapering, inner wall processing has stings the ring, the connector is straight-through joint, the elbow, three way connection or four way connection. The technical scheme can adapt to the connection of metal pipes and plastic pipes, and has wide application range; the sealing ring is elastically sealed between the connector and the water pipe, when the water pipe is installed and used, a small amount of installation angle change, length change or expansion with heat and contraction with cold of the pipe body occur, the elastic deformation of the sealing ring can reduce the rigid deformation of the pipeline, and the sealing and service life of the water pipe are prolonged; need not to use specialized tool when on-the-spot water pipe of connecting, easy operation, work efficiency is high.

During the in-service use, the pipe fitting top of following among the water pipe elastic connection device and passing is irregular, and the location pipe fitting central point that can not be accurate with the elastic clamping sleeve puts, and the deviation can appear, influences the sealed effect after the pipe fitting butt joint. The sealing ring is positioned on the connector by the concave groove, so that the diameter ratio of the connector is larger, and when the water pipe passes through the barrier, the diameter of the connecting device is too large, so that the opened hole is too large, and the punching cost is increased.

Disclosure of Invention

The utility model discloses to prior art's not enough, provide a simple structure, easy and simple to handle, labour saving and time saving, water pipe centering elastic connection device that water pipe centering connection speed is fast, solve among the prior art water pipe centering elastic connection device can not fix a position pipe fitting center and diameter and reach the problem of passing the barrier greatly not convenient for

In order to achieve the above object, the utility model discloses the technical solution who adopts is:

the water pipe centering elastic connecting device comprises a connecting body, a sealing ring, a fixing piece and an elastic clamping sleeve;

the connector is sequentially provided with a pipe fitting end placing section, a pipe fitting end correcting section, a sealing ring placing section and an end section from the center to the outside along the axis; the pipe fitting end placing section is cylindrical, and the inner diameter of the cylinder is matched with the outer diameter of the pipe fitting; the pipe fitting end correcting section is in a horn shape with an outward opening; a clamping groove is formed in the inner wall of the sealing ring placing section; the outer side of the end head section is provided with;

the inner diameter of the sealing ring is matched with the outer diameter of the pipe fitting, and the outer diameter of the sealing ring is matched with the inner diameter of the clamping groove;

the inner wall of the front end of the fixing piece is provided with a conical closing-in hole matched with the external thread of the end head section; the outer side of the front end of the fixing piece is round, hexagonal or octagonal;

the front end of the elastic card sleeve is provided with a sliding ring, the outer wall of the rear end of the elastic card sleeve is provided with a conical card, the conical card is matched with the conical closing-in of the fixing piece, the inner wall of the rear end of the elastic card sleeve is provided with a biting ring, and the conical card is provided with 3-4 open slots;

the connector is connected with the water pipe, the sealing ring is placed in the clamping groove, the fixing piece and the connector pass through the internal thread and the external thread connector, and the elastic clamping sleeve is arranged in the fixing piece.

The connector is a direct connector, an elbow, a three-way connector or a four-way connector.

The outer side of the sealing ring placing section is circular, hexagonal or octagonal.

When water piping connection, put the sealing washer in the draw-in groove earlier, overlap mounting and elastic card cover in proper order again on the water pipe end, insert the water pipe end in the sealing washer of connector, remain certain clearance between water piping connection end, the sealing washer realizes sealedly between water pipe and connector, on the external screw thread with the internal thread screw in connector of mounting, the cone type binding off of mounting promotes the elastic card cover antedisplacement, and compress tightly the cone type card on the water pipe, the horn mouth through pipe fitting end correction section pushes up the pipe fitting end at the water pipe removal in-process and puts the section, realize the center of water pipe and the axle center location and the fixing of water pipe centering elastic connection device.

The utility model has the advantages that:

1. the utility model discloses simple structure, easy and simple to handle, labour saving and time saving, water pipe centering connection speed are fast.

2. The utility model discloses the horn mouth of connector has the effect in location pipe fitting axle center, makes the pipe fitting can easily stretch into the pipe fitting end and places the section in.

3. The utility model discloses can be with the pipe fitting axle center location on the axle center of connector when being connected with water pipe.

4. The utility model discloses the rubber ring can reduce the radius of rubber ring between connector draw-in groove and pipe fitting, can make the water pipe end can carry out a small amount of slides in the sealing washer again, reduces the internal stress of pipeline under the unchangeable circumstances of keeping entire system seal state, reduces the rigidity deformation volume of pipeline, prolongs the sealed and life of water pipe.

5. The utility model discloses the end screw thread radius of connector is reducible to reduce the volume.

Description of the drawings:

fig. 1 is a schematic view of the direct connection structure of the present invention.

Fig. 2 is a schematic structural view of the present invention.

Fig. 3 is a schematic view of the fixing member of the present invention.

Fig. 4 is the structure schematic diagram of the elastic card sleeve of the utility model.

Fig. 5 is a schematic view of the elbow water pipe connection structure of the present invention.

Fig. 6 is the schematic view of the three-way joint water pipe connection structure of the present invention.

Fig. 7 is the schematic view of the four-way joint water pipe connection structure of the present invention.

The device comprises a 1-connecting body, a 2-sealing ring, a 3-fixing piece, a 4-elastic clamping sleeve, a 5-pipe end placing section, a 6-pipe end correcting section, a 7-sealing ring placing section, an 8-end section, a 9-clamping groove, a 10-external thread, a 11-internal thread, a 12-conical closing-in, a 13-sliding ring, a 14-conical clamping and a 15-open groove.

Detailed Description

Example 1:

as shown in fig. 1 to 4, the water pipe centering elastic connection device comprises a connection body 1, a sealing ring 2, a fixing piece 3 and an elastic cutting sleeve 4;

the connector 1 sequentially comprises a pipe fitting end placing section 5, a pipe fitting end correcting section 6, a sealing ring placing section 7 and an end section 8 from the center to the outside along the axis; the pipe fitting end placing section 5 is cylindrical, and the inner diameter of the cylinder is matched with the outer diameter of the pipe fitting; the pipe fitting end correcting section 6 is in a horn shape with an outward opening; a clamping groove 9 is arranged on the inner wall of the sealing ring placing section 7; the outer side of the end head section 8 is provided with an external thread 10;

the inner diameter of the sealing ring 2 is matched with the outer diameter of the pipe fitting, and the outer diameter of the sealing ring 2 is matched with the inner diameter of the clamping groove 9;

an internal thread 11 matched with the external thread 10 of the end head section 8 is arranged on the inner wall of the front end of the fixing piece 3, and a tapered closing-in 12 is arranged at the rear end of the fixing piece 3; the outer side of the front end of the fixing piece 3 is hexagonal or octagonal;

the front end of the elastic card sleeve 4 is provided with a sliding ring 13, the outer wall of the rear end of the elastic card sleeve 4 is provided with a conical card 14, the conical card 14 is matched with a conical closing-in 12 of the fixing part 3, the inner wall of the conical card 14 is provided with a biting ring, and the conical card 14 is provided with 3 open slots 15;

the connector 1 is connected with a water pipe, the sealing ring 2 is placed in the clamping groove 9, the fixing part 3 and the connector 1 are connected with the connector 1 through the internal thread 11 and the external thread 10, and the elastic clamping sleeve 4 is arranged in the fixing part 3.

The linker 1 is direct.

The outer side of the sealing ring placing section 7 is circular, hexagonal or octagonal.

When the water pipe is connected, firstly, the sealing ring 2 is placed in the clamping groove 9, then the fixing part 3 and the elastic clamping sleeve 4 are sequentially sleeved on the end head of the water pipe, the end head of the water pipe is inserted into the sealing ring 2 of the connector 1, a certain gap is reserved between the end heads of the water pipe connection, the sealing ring 2 realizes sealing between the water pipe and the connector 1, the internal thread 11 of the fixing part 3 is screwed into the external thread 10 of the connector 1, the conical closing-in 12 of the fixing part 3 pushes the elastic clamping sleeve 4 to move forwards, the conical clamping 14 is tightly pressed on the water pipe, the pipe end is pushed into the pipe end placing section 5 in the water pipe moving process through the horn mouth of the pipe end correcting section 6, and the center of the water pipe and the axis positioning and fixing of the water pipe centering elastic connecting device are realized.

Example 2:

as shown in fig. 3, 4 and 5, the centering elastic coupling device for water pipes, which is implemented as example 1, is different in that the coupling body 1 is an elbow.

Example 3:

as shown in fig. 3, 4 and 6, the water pipe centering elastic connection device is implemented as example 1, except that the connection body 1 is a tee joint, and 4 open slots 15 are formed on the cone-shaped clamp 14.

Example 4:

referring to fig. 3, 4 and 7, the centering elastic coupling device for water pipes is constructed in the same manner as in example 1, except that the coupling body 1 is a four-way type, and 4 open grooves 15 are formed in the tapered clip 14.

Claims

1. The water pipe centering elastic connecting device is characterized by comprising a connecting body (1), a sealing ring (2), a fixing piece (3) and an elastic clamping sleeve (4);

the connector (1) sequentially comprises a pipe fitting end placing section (5), a pipe fitting end correcting section (6), a sealing ring placing section (7) and an end section (8) from the center to the outside along the axis; the pipe fitting end placing section (5) is cylindrical, and the inner diameter of the cylinder is matched with the outer diameter of the pipe fitting; the pipe fitting end correcting section (6) is in a horn shape with an outward opening; a clamping groove (9) is arranged on the inner wall of the sealing ring placing section (7); the outer side of the end head section (8) is provided with an external thread (10);

the inner diameter of the sealing ring (2) is matched with the outer diameter of the pipe fitting, and the outer diameter of the sealing ring (2) is matched with the inner diameter of the clamping groove (9);

an internal thread (11) matched with the external thread (10) of the end head section (8) is arranged on the inner wall of the front end of the fixing piece (3), and a conical closing-in (12) is arranged at the rear end of the fixing piece (3); the outer side of the front end of the fixing piece (3) is hexagonal or octagonal;

the front end of the elastic clamping sleeve (4) is provided with a sliding ring (13), the outer wall of the rear end of the elastic clamping sleeve (4) is provided with a conical clamp (14), the conical clamp (14) is matched with a conical closing-in (12) of the fixing piece (3), the inner wall of the conical clamp (14) is provided with a biting ring, and the conical clamp (14) is provided with 3-4 open slots (15);

the connecting body (1) is connected with a water pipe, the sealing ring (2) is placed in the clamping groove (9), the fixing part (3) and the connecting body (1) are connected with the connecting body (1) through an internal thread (11) and an external thread (10), and the elastic clamping sleeve (4) is arranged in the fixing part (3).

2. Water pipe centering spring coupling according to claim 1, characterized in that the coupling body (1) is a direct, an elbow, a tee or a four-way joint.

3. Water pipe centering spring coupling according to claim 1 or 2, characterized in that the outside of the gasket ring resting section (7) is circular or hexagonal or octagonal.