CN218935650U

CN218935650U - Plastic pipe fitting with stable connection

Info

Publication number: CN218935650U
Application number: CN202222975383.7U
Authority: CN
Inventors: 刘康民; 汪飞浪
Original assignee: Taizhou Huangyan Feilida Plastic Co ltd
Current assignee: Taizhou Huangyan Feilida Plastic Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-04-28
Anticipated expiration: 2032-11-04

Abstract

The utility model belongs to the field of plastic pipe fittings, and particularly relates to a plastic pipe fitting with stable connection, which solves the problems of poor stability and poor sealing property in the prior art.

Description

Plastic pipe fitting with stable connection

Technical Field

The utility model relates to the technical field of plastic pipe fittings, in particular to a plastic pipe fitting with stable connection.

Background

At present, pipe fittings are the general names of parts in a pipeline system which play roles in connection, control, direction change, flow division, sealing, support and the like.

The authorized bulletin number in the prior art is: the plastic pipe fitting connecting structure of CN215928789U has the advantages of simple structure, convenient disassembly and assembly and high stability, however, the connecting flange and the locking ring are connected through a plurality of bolts, so that the stability is better, the time consumption during disassembly and assembly is reduced due to the use of the bolts, the flexibility is poor, and the disassembly and assembly time of the device is further increased due to the arrangement of the locking ring.

Disclosure of Invention

The utility model aims to provide a plastic pipe fitting with stable connection, which solves the problems of poor stability and poor sealing property.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the plastic pipe fitting comprises two pipes, wherein a first connecting flange and a second connecting flange are respectively sleeved on the two pipes in a threaded manner, two symmetrically arranged mounting grooves and four symmetrically arranged clamping holes are respectively formed in the second connecting flange, the mounting grooves are communicated with the clamping holes, and a plurality of uniformly distributed bolt holes are formed in the first connecting flange and the second connecting flange;

one side of the first connecting flange is fixedly connected with two symmetrically arranged mounting blocks through screws, two symmetrically arranged clamping blocks are movably matched on the mounting blocks, a screw is installed in the second connecting flange in a rotating mode, a transmission block is movably sleeved on the outer peripheral surface of the screw, a pull rod is fixedly connected with the bottom of the clamping block through screws, the other end of the pull rod is movably hinged to a movable rod, and the other ends of the two movable rods are movably hinged to two sides of the transmission block.

Preferably, the second connecting flange is provided with a sealing groove, the first connecting flange is provided with an annular pushing plate in a sliding manner, and the annular pushing plate is adhered with a sealing ring.

Preferably, the first connecting flange and the mounting block are provided with a special-shaped groove together, the pull rod is slidably connected in the special-shaped groove, and the screw rod is rotatably connected in the special-shaped groove through a bearing.

Preferably, the mounting block is provided with a clamping groove communicated with the special-shaped groove, and the clamping block is slidably connected in the clamping groove.

Preferably, the transmission block is provided with a threaded hole, and the screw is in threaded connection with the inside of the threaded hole.

Preferably, the first connecting flange is provided with an annular groove, the annular push plate is slidably connected in the annular groove, and an elastic block is arranged on the inner wall of the annular groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the structures such as the mounting block, the clamping block and the like, the screw is rotated, so that the transmission block slides, the pull rod is driven to pull the clamping block to move into the clamping groove, the first connecting flange and the second connecting flange are connected, after the connection is completed, the screw is reversed, the clamping block clamps the clamping hole, the connection between the two pipes is more stable, the time is saved, and the first connecting flange and the second connecting flange are connected again by the bolts, so that the connection is more stable.

2. According to the utility model, through the arrangement of the structures such as the annular push plate, the sealing ring and the like, the push rod and the sealing ring are arranged in the sealing groove in the connecting process, and the elastic performance of the elastic block is that the elastic block extrudes the annular push plate, so that the annular push plate drives the sealing ring to be tightly attached in the sealing groove, and the connection of two pipes is sealed.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is an enlarged view of the utility model at reference A;

fig. 4 is an enlarged view of the utility model at reference B.

In the figure: 1. a pipe; 2. a first connecting flange; 3. a second connecting flange; 4. a mounting block; 5. a clamping block; 6. a pull rod; 7. a movable rod; 8. a transmission block; 9. a screw; 10. a mounting groove; 11. a clamping hole; 12. an annular push plate; 13. a seal ring; 14. an elastic block; 15. sealing grooves; 16. bolt holes.

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. 1-4, a plastic pipe fitting with stable connection comprises two pipe materials 1, wherein a first connecting flange 2 and a second connecting flange 3 are respectively sleeved on the two pipe materials 1 in a threaded manner, two symmetrically arranged mounting grooves 10 and four symmetrically arranged clamping holes 11 are respectively formed in the second connecting flange 3, the mounting grooves 10 are communicated with the clamping holes 11, and a plurality of uniformly distributed bolt holes 16 are formed in the first connecting flange 2 and the second connecting flange 3; one side of the first connecting flange 2 is fixedly connected with two symmetrically arranged mounting blocks 4 through screws, two symmetrically arranged clamping blocks 5 are movably matched on the mounting blocks 4, a screw rod 9 is rotatably arranged in the second connecting flange 3, a transmission block 8 is movably sleeved on the outer peripheral surface of the screw rod 9, the bottom of the clamping block 5 is fixedly connected with a pull rod 6 through screws, the other end of the pull rod 6 is movably hinged with a movable rod 7, the other ends of the two movable rods 7 are movably hinged on two sides of the transmission block 8, the transmission block 8 slides, the pull rod 6 is driven to pull the clamping blocks 5 to move in clamping grooves, the first connecting flange 2 and the second connecting flange 3 are connected, after the connection is completed, the screw rod 9 is reversed, the clamping blocks 5 are clamped in clamping holes 11, so that connection between the two pipes 1 is more stable, time is saved, and the first connecting flange 2 and the second connecting flange 3 are connected again through bolts to enable connection to be more stable.

Referring to fig. 1-4, a sealing groove 15 is formed in the second connecting flange 3, the first connecting flange 2 is slidably provided with an annular push plate 12, a sealing ring 13 is adhered to the annular push plate 12, the push rod and the sealing ring 13 are arranged in the sealing groove 15 in the connecting process through the arrangement of the annular push plate 12, the sealing ring 13 and the like, and the elastic performance of the elastic block 14 enables the elastic block 14 to extrude the annular push plate 12, so that the annular push plate 12 drives the sealing ring 13 to be tightly attached in the sealing groove 15, and the connection of the two pipes 1 is sealed.

Referring to fig. 1-3, the first connecting flange 2 and the mounting block 4 are provided with a special-shaped groove, the pull rod 6 is slidably connected in the special-shaped groove, and the screw rod 9 is rotatably connected in the special-shaped groove through a bearing.

Referring to fig. 3, the mounting block 4 is provided with a clamping groove communicated with the special-shaped groove, and the clamping block 5 is slidably connected in the clamping groove.

Referring to fig. 3, a threaded hole is formed in the driving block 8, and a screw 9 is screwed into the threaded hole.

Referring to fig. 4, the first connecting flange 2 is provided with an annular groove, the annular push plate 12 is slidably connected to the inside of the annular groove, and an elastic block 14 is disposed on the inner wall of the annular groove.

The specific implementation process of the utility model is as follows: the screw rod 9 is rotated, the transmission block 8 moves by utilizing the screw thread pushing principle between the screw rod 9 and the screw hole, the transmission block 8 drives the movable rod 7 to move, the movable rod 7 drives the pull rod 6 to pull the clamping block 5, the clamping block 5 slides into the clamping groove, the first connecting flange 2 and the second connecting flange 3 are connected, the screw rod 9 is reversed after connection, the clamping block 5 is clamped into the clamping hole 11 in a sliding manner, the two pipes 1 are connected, the first connecting flange 2 and the second connecting flange 3 are further connected by bolts, and the device is more stable;

further, in the connection process, the annular push plate 12 drives the sealing ring 13 to be placed in the sealing groove 15, and the elastic block 14 and the sealing groove 15 bidirectionally extrude the annular push plate 12, so that the annular push plate 12 drives the sealing ring 13 to be tightly attached in the sealing groove 15, and the tightness is better.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Plastic pipe fitting with stable connection, comprising two pipes (1), characterized in that: the two pipes (1) are respectively sheathed with a first connecting flange (2) and a second connecting flange (3) in a threaded manner, two symmetrically arranged mounting grooves (10) and four symmetrically arranged clamping holes (11) are respectively formed in the second connecting flange (3), the mounting grooves (10) are communicated with the clamping holes (11), and a plurality of uniformly distributed bolt holes (16) are formed in the first connecting flange (2) and the second connecting flange (3);

one side of flange one (2) is through two symmetrical arrangement's installation piece (4) of screw fixedly connected with, the activity changes on installation piece (4) to be furnished with two symmetrical arrangement's fixture block (5), screw rod (9) are installed in the internal rotation of flange two (3), the activity cover is equipped with transmission piece (8) on the outer peripheral face of screw rod (9), the bottom of fixture block (5) is through screw fixedly connected with pull rod (6), the other end swing joint of pull rod (6) has movable rod (7), two the other end swing joint of movable rod (7) is in the both sides of transmission piece (8).

2. A connection-stable plastic pipe according to claim 1, characterized in that: a sealing groove (15) is formed in the second connecting flange (3), an annular push plate (12) is slidably assembled on the first connecting flange (2), and a sealing ring (13) is bonded on the annular push plate (12).

3. A connection-stable plastic pipe according to claim 1, characterized in that: the connecting flange I (2) and the mounting block (4) are provided with special-shaped grooves together, the pull rod (6) is connected in a sliding mode in the special-shaped grooves, and the screw rod (9) is connected in the special-shaped grooves in a rotating mode through a bearing.

4. A connection-stable plastic pipe according to claim 3, characterized in that: the mounting block (4) is provided with a clamping groove communicated with the special-shaped groove, and the clamping block (5) is slidably connected in the clamping groove.

5. A connection-stable plastic pipe according to claim 1, characterized in that: the transmission block (8) is provided with a threaded hole, and the screw rod (9) is in threaded connection with the inside of the threaded hole.

6. A connection-stable plastic pipe according to claim 2, characterized in that: an annular groove is formed in the first connecting flange (2), the annular push plate (12) is connected inside the annular groove in a sliding mode, and an elastic block (14) is arranged on the inner wall of the annular groove.