CN209892893U

CN209892893U - Screwing type quick pipe connector

Info

Publication number: CN209892893U
Application number: CN201920289717.0U
Authority: CN
Inventors: 周岳泉; 姜昌国
Original assignee: Ningbo Sinppa Tools Co Ltd
Current assignee: Ningbo Xinbang Technology Co.,Ltd.
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2020-01-03
Anticipated expiration: 2029-03-07

Abstract

The utility model relates to a screw-on formula quick pipe fitting connector, including connector body and locking swivel nut, the both ends of connector body link up and both ends all are provided with external screw thread portion, the locking swivel nut has been cup jointed in the outside of external screw thread portion, the inside axial of locking swivel nut is provided with presss from both sides tight claw ring, should press from both sides tight claw ring and link to each other the annular structure who encloses for a plurality of deformation piece one end, be provided with the metal clamping piece on the other end inside wall of deformation piece, the outside that presss from both sides tight claw ring is provided with two spacing archs at least, be provided with the spacing groove of buckleing mutually with spacing arch in the external screw thread portion, the axial is provided with clamping ring and sealing washer between the one end of pressing from both sides tight claw ring and the tip of connector body, the other end. The utility model discloses the structure is ingenious, can carry out axial spacing to clamping claw ring, makes things convenient for the plug of pipe fitting, and production simple process moreover, the process is few, is fit for large-scale production.

Description

Screwing type quick pipe connector

Technical Field

The utility model relates to a pipe fitting connector field especially relates to a fasten quick pipe fitting connector of formula soon.

Background

In people's life, need use a lot of pipe fittings, like water pipe, trachea and oil pipe etc. these pipe fittings need carry out the butt joint with the pipe fitting in the use, and present pipe fitting connector structure is complicated, connects complex operation, often needs the professional to operate, and the installation does not in place will influence the leakproofness of pipe connection, appears leaking.

Also have the screwing type pipe connection head that can lock fast in the existing market, like the utility model patent of the name "rotatory locking type quick-operation joint" that patent number is 201721391571.8, it is exactly that it makes clamping piece deformation fix the pipe fitting with rotating the locking hand wheel, but this kind of structure has two problems: (1) after the locking hand wheel is unscrewed, the clamping piece is driven to axially move when the pipe fitting is pulled out, so that the clamping piece is extruded and deformed with the locking hand wheel, and the pipe fitting cannot be pulled out smoothly by the metal clamping piece; (2) the metal clamping pieces on the inner side wall of the clamping piece are integrally injection-molded with the main body part of the clamping piece, the process is very complex due to the large quantity, and the excess material is large in waste, so that the large-scale production is not facilitated.

There is a need for improvements in existing pipe couplings.

Disclosure of Invention

The utility model aims to solve the technical problem that a fasten formula quick pipe fitting connector is provided, the structure is ingenious, can carry out axial spacing to clamping claw ring, makes things convenient for the plug of pipe fitting, and production simple process moreover, the process is few, is fit for large-scale production.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a quick pipe fitting connector of screw-on formula, including connector body and locking swivel nut, the both ends of connector body link up and both ends all are provided with external screw thread portion, the outside of external screw thread portion cup jointed the locking swivel nut, the inside axial of locking swivel nut be provided with and press from both sides the claw ring, should press from both sides the claw ring and link to each other the annular structure who encloses for a plurality of deformation piece one end, the other end inside wall of deformation piece on be provided with the metal clamping piece, the outside of pressing from both sides the claw ring be provided with two spacing archs at least, external screw thread portion on be provided with the spacing groove of buckleing mutually with spacing arch, the one end of pressing from both sides the claw ring and the tip of connector body between the axial be provided with clamping ring and sealing washer, the locking swivel nut rotate when axial displacement extrusion press from both sides the claw ring and make the.

As right technical scheme a supplement, the inside wall of locking swivel nut on be located internal thread one side and be provided with circular cone portion, circular cone portion extrude the other end of shape deformation piece.

Furthermore, one ends of the deformation sheets are connected through a connecting ring.

Furthermore, one side of the connecting ring is provided with an opening part.

Furthermore, the inside wall of the clamping claw ring is embedded with a metal embedded ring, and the metal clamping piece corresponding to each deformation piece is connected with the metal embedded ring.

Furthermore, the middle part of the outer side of the connector body is oppositely provided with two limit stop rings side by side, the outward end faces of the limit stop rings are provided with a plurality of locking grooves side by side, the end faces of the inner sides of the locking thread sleeves are provided with locking protrusions, and the locking protrusions are embedded into any one of the locking grooves when the locking thread sleeves are screwed to the bottom.

Furthermore, the limiting protrusion is hook-shaped.

Has the advantages that: the utility model relates to a screwing type quick pipe fitting connector, which has an ingenious structure, and prevents the clamping claw ring from axially moving by arranging a limiting bulge on the clamping claw ring and buckling with a limiting groove, so that a deformation sheet can only radially deform, and the clamping claw ring can not influence the plugging and unplugging of a pipe fitting; the metal clamping piece utilizes the metal caulking ring to connect and is an organic whole, need not to install the metal clamping piece one by one, need not moreover with the integrative injection moulding of main part of pressing from both sides tight claw ring, the later stage installation can, simplified processing technology greatly, the cost is reduced is fit for large-scale production, this pipe fitting connector has fine commonality, to different materials change the part of different materials in the pipe fitting just can.

Drawings

FIG. 1 is a schematic assembly half-section view of the present invention;

fig. 2 is a schematic view of the exploded state of the present invention;

fig. 3 is a perspective view of the clamping jaw ring of the present invention;

fig. 4 is a perspective view of the clamping jaw ring of the present invention;

fig. 5 is a half-sectional view of the mounting structure of a clamp jaw ring according to the present invention.

The figure is as follows: 1. locking the threaded sleeve; 2. clamping the jaw ring; 3. a connector body; 4. pressing a ring; 5. a seal ring; 6. a limit stop ring; 7. a limiting groove; 8. a metal clip; 9. a limiting bulge; 10. a conical section; 11. deformation sheets; 12. a connecting ring; 14. a metal insert ring; 15. an external threaded portion; 16. a locking protrusion; 17. and locking the groove.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

As shown in fig. 1-5, the technical solution adopted by the utility model for solving the technical problem is: provides a screwing type quick pipe fitting connector, which comprises a connector body 3 and a locking thread sleeve 1, wherein two ends of the connector body 3 are communicated, and both ends are provided with external thread parts 15, the outer side of the external thread part 15 is sleeved with a locking threaded sleeve 1, the inner part of the locking threaded sleeve 1 is axially provided with a clamping claw ring 2, the clamping claw ring 2 is an annular structure formed by connecting and enclosing one end of a plurality of deformation sheets 11, a metal clamping sheet 8 is arranged on the inner side wall of the other end of each deformation sheet 11, the outer part of the clamping claw ring 2 is at least provided with two limiting bulges 9, the external thread part 15 is provided with a limiting groove 7 which is buckled with the limiting bulges 9, a press ring 4 and a seal ring 5 are axially arranged between one end of the clamping claw ring 2 and the end part of the connector body 3, when the locking screw sleeve 1 rotates and moves axially, the clamping claw ring 2 is extruded to enable the other end of the deformation sheet 11 to deform inwards.

One side of the inner side wall of the locking screw sleeve 1, which is positioned at the internal thread, is provided with a conical part 10, and the conical part 10 extrudes the other end of the deformation sheet 11.

One ends of the deformation sheets 11 are connected through a connecting ring 12, and an opening is formed in one side of the connecting ring 12, so that the deformation sheets 11 can be conveniently processed and installed.

The inside wall of the clamping claw ring 2 is embedded with a metal embedded ring 14, the metal clamping piece 8 corresponding to each deformation piece 11 is connected with the metal embedded ring 14, the metal embedded ring 14 and the metal clamping piece 8 are integrated, integral injection molding is not needed, and the installation process is simple.

The outside middle part of connector body 3 set up two spacing ring 6 relatively side by side, spacing ring 6 be provided with a plurality of locking recess 17 on the terminal surface outwards side by side, the medial surface of locking swivel nut 1 on be provided with locking arch 16, locking arch 16 is embedded into arbitrary one locking recess 17 when locking swivel nut 1 is twisted to end, spacing arch 9 be hook-like.

As an embodiment of the utility model discloses a when using, insert the pipe fitting into the both ends that connect body 3, then rotate locking swivel nut 1, make 1 axial displacement of locking swivel nut to extrude through circular cone portion 10 and make the one end of pressing from both sides tight claw ring 2 take place to deform, make metal clamping piece 8 can carry the pipe fitting, prevent that it from carrying out axial displacement, press from both sides tight claw ring 2 simultaneously and can push down clamping ring 4, the pipe fitting passes from sealing washer 5 center, plays sealed effect.

When the locking screw sleeve 1 is screwed to the bottom, the locking protrusion 16 is buckled with the locking groove 17 to play a role in preventing looseness.

When the pipe fitting needs to be pulled out, the clamping claw ring 2 can be automatically opened only by unscrewing the locking threaded sleeve 1, and when the pipe fitting is pulled out, the clamping claw ring 2 cannot axially move due to the fact that the limiting protrusions 9 are buckled with the limiting grooves 7, and therefore the metal clamping piece 8 cannot interfere with the pulling-out of the pipe fitting.

The utility model discloses the structure is ingenious, can carry out axial spacing to clamping claw ring, makes things convenient for the plug of pipe fitting, and production simple process moreover, the process is few, is fit for large-scale production.

Claims

1. A screwing type quick pipe fitting connector comprises a connector body (3) and a locking screw sleeve (1) and is characterized in that the two ends of the connector body (3) are communicated, external thread parts (15) are arranged at the two ends of the connector body, the locking screw sleeve (1) is sleeved on the outer side of the external thread parts (15), a clamping claw ring (2) is axially arranged in the locking screw sleeve (1), the clamping claw ring (2) is of an annular structure formed by connecting and enclosing one ends of a plurality of deformation sheets (11), a metal clamping sheet (8) is arranged on the inner side wall of the other end of each deformation sheet (11), at least two limiting bulges (9) are arranged outside the clamping claw ring (2), limiting grooves (7) buckled with the limiting bulges (9) are arranged on the external thread parts (15), a pressing ring (4) and a sealing ring (5) are axially arranged between one end of the clamping claw ring (2) and the end part of the connector body (3), when the locking screw sleeve (1) rotates and moves axially, the clamping claw ring (2) is extruded to enable the other end of the deformation sheet (11) to deform inwards.

2. The screwed quick pipe fitting connector according to claim 1, wherein: one side of the inner side wall of the locking screw sleeve (1) positioned at the internal thread is provided with a conical part (10), and the conical part (10) extrudes the other end of the deformation sheet (11).

3. The screwed quick pipe fitting connector according to claim 1, wherein: one ends of the plurality of deformation sheets (11) are connected through a connecting ring (12).

4. The screwed quick pipe fitting connector according to claim 3, wherein: an opening part is arranged on one side of the connecting ring (12).

5. The screwed quick pipe connector according to claim 3 or 4, wherein: the clamping claw ring is characterized in that a metal embedded ring (14) is embedded in the inner side wall of the clamping claw ring (2), and the metal clamping piece (8) corresponding to each deformation piece (11) is connected with the metal embedded ring (14).

6. The screwed quick pipe fitting connector according to claim 1, wherein: the connector body (3) outside middle part set up two spacing ring (6) relatively side by side, spacing ring (6) be provided with a plurality of locking recess (17) on the terminal surface outwards side by side, the medial surface of locking swivel nut (1) on be provided with locking arch (16), locking arch (16) are embedded into arbitrary one locking recess (17) when the end is twisted to locking swivel nut (1).

7. The screwed quick pipe fitting connector according to claim 1, wherein: the limiting bulge (9) is hook-shaped.