CN212056318U

CN212056318U - Outer square plug with good sealing performance

Info

Publication number: CN212056318U
Application number: CN202020360526.1U
Authority: CN
Inventors: 唐明
Original assignee: Ningbo Ningji Yuli Fluid Equipment Co ltd
Current assignee: Ningbo Ningji Yuli Fluid Equipment Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-12-01
Anticipated expiration: 2030-03-20

Abstract

The utility model relates to the technical field of decorative films, in particular to an external square plug with good sealing performance, which comprises a plug body, wherein the plug body consists of a nut head, a fixed plate and a threaded column which are arranged in sequence from top to bottom, the joint of the fixed plate and the threaded column is provided with an arc chamfer, the inner cavity of the threaded column is provided with a groove, a moving block is arranged in the groove, a sealing ring is arranged below the threaded column, the top of the sealing ring is connected with the moving block through a connecting rod, the outer side of the sealing ring is provided with a sealing groove, a sealing component is arranged in the sealing groove, the plug can be installed by matching the nut head with a wrench, so that the plug is installed for operators conveniently, the plug is more tightly fixed, and meanwhile, the sealing ring can not rotate along with the threaded column when, the sealing effect of the sealing ring is improved, and the practicability of the square plug is improved.

Description

Outer square plug with good sealing performance

Technical Field

The utility model relates to an outer four directions end cap that leakproofness is good belongs to sealed end cap technical field.

Background

Water supply and drainage are indispensable in people's life at present, the plug is one of important connecting parts for water supply and drainage, the water outlet of a water supply pipe or a water drainage pipe is plugged by using the plug, the existing plug usually plugs the water pipe by adopting a threaded connection mode, for example, the utility model with the patent number of 201822206909.9 provides a self-sealing plug, which comprises a main board for plugging the water outlet of the water pipe, a columnar screw head is arranged on one side wall of the main board, a nut head is arranged on one side wall of the main board away from the screw head, one end of the screw head away from the main board is connected with a connecting column, one end of the connecting column away from the screw head is connected with a cylindrical plug board, which provides a self-sealing plug with good plug effect and convenient installation, the structure carried by the prior art needs to rotate the nut head to be connected with the water pipe through the screw, but the jam plate is through spliced pole and screw thread head fixed connection, and the jam plate also can be rotatory along with the end cap during the installation, and annular gasket can produce the friction with the water pipe inner wall to reduce the leakproofness of end cap, need improve from this.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides a good outer four directions end cap of leakproofness, the accessible uses spanner cooperation nut head to install, for the convenience of operating personnel installation end cap, lets the fastening more of end cap installation, and when the installation, the sealing ring can not rotate along with the screw thread post simultaneously, reduces the sealing washer when the installation and the water pipe inner wall friction and the wearing and tearing that lead to, more helps improving the sealed effect of sealing ring, increases the practicality of four directions end cap.

In order to realize the purpose, the utility model discloses a technical scheme as follows: the utility model provides a good outer four directions end cap of leakproofness, includes the end cap body, the end cap body comprises nut head, fixed plate and the screw thread post that from the top down set gradually, the fixed plate is provided with the arc chamfer with screw thread post junction, screw thread post inner chamber is seted up flutedly, be provided with the movable block in the recess, screw thread post below is provided with the sealing ring, be connected through the connecting rod between sealing ring top and the movable block, the seal groove has been seted up in the sealing ring outside, be equipped with seal assembly in the seal groove.

Further, the sealing assembly comprises a metal sleeve ring, a first sealing ring and a second sealing ring, the metal sleeve ring is symmetrically sleeved in the sealing groove, the first sealing ring is arranged on the outer side of the metal sleeve ring, and the second sealing ring is arranged between the metal sleeve rings.

Further, a sealing gasket is arranged at the bottom of the fixing plate and is located on the outer side of the arc-shaped chamfer.

Further, the cross section of the nut head is a regular quadrangle.

Further, the threaded column, the moving block and the sealing ring are all located on the same axis, and the diameter of the sealing ring is the same as that of the threaded column.

Furthermore, a stop ring is arranged at the opening at the bottom of the groove, and the diameter of the moving block is larger than the inner diameter of the stop ring.

Further, the inner cavity of the connecting rod is provided with a through hole, and the length of the connecting rod is greater than that of the groove.

Furthermore, the outer surfaces of the plug body and the sealing ring are coated with anticorrosive paint.

The utility model discloses beneficial effect:

1. through setting up the arc chamfer, rotatory nut head lets screw thread post and water piping connection, and the arc chamfer and the mouth of pipe interference fit let fastening more of end cap installation, the seal gasket and the water pipe mouth contact of fixed plate bottom realize sealed effect simultaneously.

2. Through setting up the connecting rod, in earlier putting into the water pipe with the sealing ring when the installation end cap, impel the water pipe with the sealing ring through the screw thread post is rotatory, owing to set up the movable block, the movable block can not receive the influence in the recess when the screw thread post is rotatory to the sealing ring can not rotate along with the screw thread post, avoids the sealing ring to take place the friction along with the screw thread post is rotatory with the water pipe inner wall, then the sealing washer can not wear and tear, guarantees the sealed effect of sealing ring.

3. Through setting up seal assembly, after end cap and water piping connection, seal assembly can with water pipe inner wall in close contact with to improve the sealed effect of end cap.

Drawings

Fig. 1 is a cross-sectional view of an outer square plug with good sealing performance of the present invention;

fig. 2 is a schematic structural view of a sealing assembly of an outer square plug with good sealing performance of the present invention;

fig. 3 is a top view of the outer square plug with good sealing performance.

1. A plug body; 2. a nut head; 3. a fixing plate; 4. a threaded post; 5. arc chamfering; 6. sealing gaskets; 7. a groove; 8. a moving block; 9. a seal ring; 10. a connecting rod; 11. a sealing groove; 12. a metal collar; 13. a first seal ring; 14. a second seal ring; 15. a blocking ring; 16. a through hole; 17. and (7) sealing the assembly.

Detailed Description

The technical solution of the present invention will be described below with reference to the accompanying drawings and examples.

As shown in figures 1 to 3, the utility model provides an outer square plug with good sealing performance, which comprises a plug body 1, wherein the plug body 1 is composed of a nut head 2, a fixed plate 3 and a threaded column 4 which are arranged from top to bottom in sequence, an arc chamfer 5 is arranged at the joint of the fixed plate 3 and the threaded column 4, the threaded column 4 is connected with a water pipe by rotating the nut head 2, the arc chamfer 5 is in interference fit with the pipe orifice, the plug is more tightly installed, meanwhile, a sealing gasket 6 at the bottom of the fixed plate 3 is in contact with the water pipe orifice to realize the sealing effect, a groove 7 is arranged in the inner cavity of the threaded column 4, a moving block 8 is arranged in the groove 7, a sealing ring 9 is arranged below the threaded column 4, the top of the sealing ring 9 is connected with the moving block 8 through a connecting rod 10, the sealing ring 9 is firstly put into the water pipe when the plug is installed, through 4 rotations of screw thread post with sealing ring 9 impel the water pipe, owing to set up movable block 8, the movable block can not receive the influence in recess 7 when screw thread post 4 is rotatory to sealing ring 8 can not rotate along with screw thread post 4, avoids sealing ring 9 to take place the friction along with screw thread post 4 is rotatory with the water pipe inner wall, and then the sealing washer can not wear and tear, guarantees the sealed effect of sealing ring, seal groove 11 has been seted up in the sealing ring 9 outside, be equipped with seal assembly 17 in the seal groove 11, behind end cap and water piping connection, seal assembly 17 can with water pipe inner wall in close contact with to improve the sealed effect of end cap.

More specifically, the sealing assembly 17 includes a metal sleeve ring 12, a first sealing ring 13 and a second sealing ring 14, the metal sleeve ring 12 is symmetrically sleeved in the sealing groove 11, the first sealing ring 13 is arranged outside the metal sleeve ring 12, the second sealing ring 14 is arranged between the metal sleeve rings 12, the sealing ring 9 is arranged in the water pipe, the first sealing ring 13 is in contact with the inner wall to achieve a sealing effect, after the sealing assembly is moved, the two metal sleeve rings 12 are close to each other to extrude the second sealing ring 14, so that the first sealing ring 13 and the second sealing ring 14 are in close contact with the inner wall of the water pipe to achieve a double sealing effect, the sealing effect of the plug is improved, a sealing gasket 6 is arranged at the bottom of the fixing plate 3, the sealing gasket 6 is positioned outside the arc-shaped chamfer 5, the cross section of the screw cap head 2 is in a regular quadrilateral shape, so as to, The moving block 8 and the sealing ring 9 are both located on the same axis, the diameter of the sealing ring 9 is the same as that of the threaded column 4, it is guaranteed that a sealing ring on the sealing ring 9 can be in contact with the inner wall of a water pipe, a stop ring 15 is arranged at an opening at the bottom of the groove 7, the diameter of the moving block 8 is larger than the inner diameter of the stop ring 15, when the plug is disassembled, the moving block 8 can only move in the groove 7, the sealing ring 9 is conveniently taken out, a through hole 16 is formed in the inner cavity of the connecting rod 10, and the length of the connecting rod 10 is larger than that of. The outer surfaces of the plug body 1 and the sealing ring 9 are coated with anticorrosive paint.

The working principle is as follows: in earlier putting into the water pipe sealing ring 9 when the installation end cap, use the spanner to rotate

nut head

2, 4 rotations of screw post get into in the water pipe, thereby impel the water pipe with sealing ring 9, first sealing washer 13 and inner wall contact, reach sealed effect, after the removal, two metal lantern rings 12 are close to each other, thereby extrude second sealing washer 14, thereby all with water pipe inner wall in close contact with first sealing washer 13 and second sealing washer 14, reach double-seal's effect, in 4 complete entering water pipes of screw post, then fixed plate 3 can block mouth of pipe outer wall, arc chamfer 5 and water pipe mouth contact, improve the sealed effect of end cap body 1.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and these forms are within the scope of the present invention.

Claims

1. The utility model provides a good outer four directions end cap of leakproofness, includes end cap body (1), its characterized in that, end cap body (1) comprises screw cap head (2), fixed plate (3) and screw thread post (4) that from the top down set gradually, fixed plate (3) and screw thread post (4) junction are provided with arc chamfer (5), screw thread post (4) inner chamber is seted up flutedly (7), be provided with movable block (8) in recess (7), screw thread post (4) below is provided with sealing ring (9), be connected through connecting rod (10) between sealing ring (9) top and the movable block (8), seal groove (11) have been seted up in sealing ring (9) outside, be equipped with seal assembly (17) in seal groove (11).

2. The outer square plug with good sealing performance according to claim 1, wherein: seal assembly (17) include the metal lantern ring (12), first sealing washer (13) and second sealing washer (14), the seal groove (11) is located to the symmetry cover of metal lantern ring (12), the metal lantern ring (12) outside is located in first sealing washer (13), between the metal lantern ring (12) is located in second sealing washer (14).

3. The outer square plug with good sealing performance according to claim 1, wherein: the bottom of the fixed plate (3) is provided with a sealing gasket (6), and the sealing gasket (6) is positioned on the outer side of the arc-shaped chamfer (5).

4. The outer square plug with good sealing performance according to claim 1, wherein: the section of the nut head (2) is a regular quadrangle.

5. The outer square plug with good sealing performance according to claim 1, wherein: the threaded column (4), the moving block (8) and the sealing ring (9) are all located on the same axis, and the diameter of the sealing ring (9) is the same as that of the threaded column (4).

6. The outer square plug with good sealing performance according to claim 1, wherein: a stop ring (15) is arranged at an opening at the bottom of the groove (7), and the diameter of the moving block (8) is larger than the inner diameter of the stop ring (15).

7. The outer square plug with good sealing performance according to claim 1, wherein: the inner cavity of the connecting rod (10) is provided with a through hole (16), and the length of the connecting rod (10) is greater than that of the groove (7).

8. The outer square plug with good sealing performance according to claim 1, wherein: the outer surfaces of the plug body (1) and the sealing ring (9) are coated with anticorrosive paint.