CN213576117U

CN213576117U - Threaded quick connector

Info

Publication number: CN213576117U
Application number: CN202022217506.1U
Authority: CN
Inventors: 王婷燕
Original assignee: Taizhou Yunhong Machinery Technology Co ltd
Current assignee: Taizhou Yunhong Machinery Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-29
Anticipated expiration: 2030-09-30

Abstract

The utility model provides a screw thread quick connector belongs to threaded connection equipment technical field. It has solved the problem that current manual assembly efficiency is low. This screw thread quick connector includes the casing and sets up on the casing and rather than swing joint's handle, still includes interior sleeve joint, dabber, retaining sleeve and thrust shaft, and the thrust shaft sets up in the tail end of casing, and with handle looks swing joint compresses tightly the handle and can drive the thrust shaft and move to the casing front end along the axle center, and retaining sleeve locates between dabber and the casing, should keep the tail end of cover with the casing inner wall is contradicted, and should keep the front end of cover with interior sleeve joint's tail end is connected, and when the handle drove the antedisplacement of thrust shaft, the front end of thrust shaft stretched into in the retaining sleeve, and with the dabber is contradicted to drive the dabber and move forward mutually, after the dabber moved a section distance because of the thrust shaft, the thrust shaft drove the retaining sleeve antedisplacement, keeps the cover to drive interior sleeve joint antedisplacement simultaneously. The utility model has the advantages of assembly efficiency is high.

Description

Threaded quick connector

Technical Field

The utility model belongs to the technical field of threaded connection equipment, a screw thread quick connector is related to.

Background

At present, the pipeline is connected in a threaded sealing mode basically by manual screwing, sealing strips are wound or sealant is smeared on the threaded parts for sealing, and the installation is troublesome. Many times, the pipe only needs to be temporarily sealed, and after the seal is released, the pipe can be connected with other pipes or valves. The manual connection mode is time-consuming and labor-consuming, and the sealing tape or the sealing glue is troublesome to remove.

Disclosure of Invention

The utility model aims at providing a simple structure and convenient assembling, long service life's connector to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a screw thread quick connector, includes the casing and sets up on the casing and rather than swing joint's handle, its characterized in that still includes interior sleeve joint, dabber, retaining sleeve and thrust shaft, the thrust shaft set up in the tail end of casing, and with handle looks swing joint compresses tightly the handle and can drive the thrust shaft and move to the casing front end along the axle center, retaining sleeve locate between dabber and the casing, the tail end of this retaining sleeve with the casing inner wall is contradicted, and the front end of this retaining sleeve with interior sleeve joint's tail end is connected, when the handle drives the antedisplacement of thrust shaft, the front end of thrust shaft stretches into in the retaining sleeve, and with the dabber is inconsistent to drive dabber and move forward mutually, after the dabber removed one section distance because of the thrust shaft, the thrust shaft drives retaining sleeve antedisplacement, keeps the sleeve to drive interior sleeve joint antedisplacement simultaneously.

In foretell screw thread quick connector, the casing constitute by overcoat, intermediate junction cover and tee bend cover, and the both ends of intermediate junction cover respectively with overcoat and tee bend cover are connected, the intermediate junction cover with the junction of overcoat is provided with the O type circle that is used for strengthening the leakproofness.

In the above threaded quick connector, the thrust shaft is disposed in the outer sleeve, the front end of the thrust shaft extends into the intermediate connecting sleeve, a reset structure which is sleeved on the thrust shaft and used for resetting is disposed between the thrust shaft and the outer sleeve, and the reset structure is composed of a spring seat and a reset spring.

In foretell screw thread quick connector, the retaining sleeve establish in the intermediate junction cover, and the front end of intermediate junction cover stretches into in the tee bend cover, the intermediate junction cover be located the inner wall of tail end on be provided with radial arch and with the protruding ring portion that the retaining sleeve contradicts mutually, protruding ring portion and thrust shaft between also be provided with the O type circle of strengthening the leakproofness.

In foretell screw thread quick connector, the retaining collar be located the periphery wall of tail end department and be provided with a plurality of along its circumferencial direction setting, and imbed in the holder to be convenient for holder axial displacement's steel ball, the retaining collar with be provided with the O type circle that is used for strengthening the leakproofness between the tee bend cover, the retaining collar is seted up the mounting groove that supplies this O type circle installation.

In the above threaded quick connector, the mandrel is cylindrical and is divided into a first section, a second section, a third section and a fourth section which are coaxial, the outer diameter of the joint of the first section and the second section is a tapered body which is gradually reduced, the first section is divided into a front part, a middle part and a tail part from front to back, the diameters of the front part and the tail part in the first section are unchanged, and the outer diameter of the middle part in the first section is gradually reduced from front to back.

In the above threaded quick connector, the inner sleeve joint is arranged in the three-way sleeve, the front end of the inner sleeve joint extends out of the three-way sleeve, a return spring is also sleeved on the outer peripheral wall of the inner sleeve joint in the three-way sleeve, two ends of the return spring respectively abut against the retainer and the three-way sleeve, a chamfer surface which is obliquely arranged is arranged on the inner part of the inner sleeve joint at the front end opening, and the inclination angle of the chamfer surface is matched with that of the middle part.

In the above threaded quick connector, the outer peripheral wall of the three-way sleeve on the side wall interface is provided with an external thread and is sealed by the sealing cover.

Compared with the prior art, the threaded quick connector has the following advantages:

1. this product structure is more reliable, reasonable, and the installation maintenance is simpler, uses the operation more convenient, can also detect the leakproofness after connecting simultaneously.

Drawings

Fig. 1 is a schematic cross-sectional view of the present threaded quick connector.

In the figure, 1, a housing; 2. a handle; 3. an inner sleeve joint; 4. a mandrel; 5. a retaining sleeve; 6. a thrust shaft; 7. a jacket; 8. a middle connecting sleeve; 9. a three-way sleeve; 10. an O-shaped ring; 11. a spring seat; 12. a return spring; 13. a convex ring part; 14. a steel ball; 15. a front portion; 16. a middle part; 17. and a tail portion.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, the threaded quick connector comprises a shell 1 and a handle 2 which is arranged on the shell 1 and movably connected with the shell, wherein the outer surface of the handle 2 is processed by chrome plating, the threaded quick connector also comprises an inner sleeve joint 3, a mandrel 4, a retaining sleeve 5 and a thrust shaft 6 which are arranged in the shell 1, an outer sleeve 7 and the retaining sleeve 5 are both made of aluminum alloy through a hard anodizing process, the thrust shaft 6 is arranged at the tail end in the shell 1 and movably connected with the handle 2, when the handle 2 is in a pressing process, the pressing handle 2 can drive the thrust shaft 6 to move towards the front end of the shell 1 along the axis, the retaining sleeve 5 is sleeved between the mandrel 4 and the shell 1, the tail end of the retaining sleeve 5 is abutted against the inner wall of the shell 1, the front end of the retaining sleeve 5 is connected with the tail end of the inner sleeve joint 3, when the handle 2 drives the thrust shaft to move forwards, the front end of the thrust shaft 6 extends into the retaining sleeve, and is abutted against the mandrel 4 and drives the mandrel 4 to move forward, after the mandrel 4 moves for a certain distance because of the thrust shaft 6, the thrust shaft 6 drives the retaining sleeve 5 to move forward, meanwhile, the retaining sleeve 5 drives the inner sleeve joint 3 to move forward, the shell 1 is composed of an outer sleeve 7, a middle connecting sleeve 8 and a three-way sleeve 9, two ends of the middle connecting sleeve 8 are respectively connected with the outer sleeve 7 and the three-way sleeve 9, the connecting part of the tail end of the middle connecting sleeve 8 extending into the outer sleeve 7 and the outer sleeve 7 is provided with an O-shaped ring 10 for enhancing the sealing performance, the thrust shaft 6 is arranged in the outer sleeve 7, the front end of the thrust shaft 6 extends into the middle connecting sleeve 8 and is connected with the middle connecting sleeve in a sliding fit manner, a reset structure which is sleeved on the thrust shaft 6 and used for resetting is arranged between the thrust shaft 6 and the outer sleeve 7, the reset structure is composed of a spring seat 11 and a reset spring 12, two ends of the reset spring 12, the middle part 16 of the spring seat 11 is provided with a second-stage stepped hole, the tail end of the reset spring 12 extends into the second-stage stepped hole and is abutted against the stepped surface in the spring seat 11, the retaining sleeve 5 is arranged in the intermediate connecting sleeve 8, the front end of the intermediate connecting sleeve 8 extends into the tee sleeve 9 and is connected in a sliding fit mode, the inner wall of the tail end of the intermediate connecting sleeve 8 is provided with a convex ring part 13 which is radially raised and is abutted against the retaining sleeve 5, the inner diameter of the convex ring part 13 is not smaller than the diameter of the thrust shaft 6 in the outer sleeve 7, the front end of the reset spring 12 is abutted against the tail end surface of the convex ring part 13, an O-shaped ring 10 for enhancing the sealing property is also arranged between the convex ring part 13 and the thrust shaft 6 extending into the convex ring part 13, the inner peripheral wall of the convex ring part 13 is provided with a ring groove for installing the O-shaped ring 10, the peripheral wall of the retaining sleeve 5 at the tail, a steel ball 14 embedded in the retainer and facilitating axial movement of the retainer, an O-ring 10 for enhancing sealing performance is arranged between the front end of the retaining sleeve 5 extending into the three-way sleeve 9 and the three-way sleeve 9, the retaining sleeve 5 is provided with a mounting groove for mounting the O-ring 10, an annular protection pad which is sleeved on the retaining sleeve 5 and is matched with the O-ring 10 is also arranged in the mounting groove, the mandrel 4 is integrally cylindrical and is divided into a first section, a second section, a third section and a fourth section which are coaxial, the outer diameter of the joint of the first section and the second section is a tapered body which is gradually reduced, the first section is divided into a front part 15, a middle part 16 and a tail part 17 from front to back, the diameters of the front part 15 and the tail part 17 in the first section are unchanged, the outer diameter of the middle part 16 in the first section is gradually reduced from front to back, the diameter of the front part 15 is larger than that of the tail part 17, the front end surface of the front part 15 is flush with, the inner sleeve joint 3 is arranged in the tee joint sleeve 9, the front end of the inner sleeve joint 3 extends out of the tee joint sleeve 9 and is connected with the tee joint sleeve 9 in a sliding fit mode, a reset spring 12 is also sleeved on the outer peripheral wall of the inner sleeve joint 3 in the tee joint sleeve 9, two ends of the reset spring 12 are respectively abutted against the retainer and the tee joint sleeve 9, an inclined chamfer surface is arranged on the inner portion of the inner sleeve joint 3 at the front end opening, the inclined angle of the chamfer surface is matched with the inclined angle of the middle portion 16 in the first section, the front end of the inner sleeve joint 3 is provided with a jaw structure, the jaw structure is composed of a plurality of independent jaw units, when the jaw units are combined, the whole jaw is cylindrical with an axial through hole, an annular jaw groove is formed on the periphery of the jaw structure close to the front end, and an O-shaped ring 10 made of an elastic material is also arranged in the jaw groove, when the mandrel 4 and the jaw structure relatively move in the axis direction, under the elastic action of the O-shaped ring 10 and the action of the first section of the circumference of the mandrel 4 abutting against the radial conical surface, the head of the jaw structure can be gathered towards the center along the radial direction, namely, the jaw structure is in a retraction state; or flare radially outward, i.e., an expanded state.

In a further elaboration, in order to facilitate the detection of the sealing performance of the connected product, the outer peripheral wall of the three-way sleeve 9 on the side wall interface is provided with an external thread, the three-way sleeve is sealed by the sealing cover, and the interface can be ventilated to detect the sealing performance of the connected product.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A threaded quick connector comprises a shell (1) and a handle (2) which is arranged on the shell (1) and is movably connected with the shell, and is characterized by further comprising an inner sleeve joint (3), a mandrel (4), a retaining sleeve (5) and a thrust shaft (6), wherein the thrust shaft (6) is arranged at the tail end of the shell (1) and is movably connected with the handle (2), the pressing handle (2) can drive the thrust shaft (6) to move towards the front end of the shell (1) along the axis, the retaining sleeve (5) is sleeved between the mandrel (4) and the shell (1), the tail end of the retaining sleeve (5) is abutted against the inner wall of the shell (1), the front end of the retaining sleeve (5) is connected with the tail end of the inner sleeve joint (3), and when the handle (2) drives the thrust shaft to move forwards, the front end of the thrust shaft (6) extends into the retaining sleeve (5), and the push shaft (6) drives the retaining sleeve (5) to move forwards after the mandrel (4) moves for a certain distance due to the push shaft (6), and meanwhile, the retaining sleeve (5) drives the inner sleeve joint (3) to move forwards.

2. The threaded quick connector as claimed in claim 1, wherein the housing (1) is composed of an outer sleeve (7), a middle connecting sleeve (8) and a three-way sleeve (9), two ends of the middle connecting sleeve (8) are respectively connected with the outer sleeve (7) and the three-way sleeve (9), and an O-ring (10) for enhancing the sealing property is arranged at the joint of the middle connecting sleeve (8) and the outer sleeve (7).

3. The threaded quick connector as claimed in claim 2, wherein the thrust shaft (6) is disposed in the outer sleeve (7), the front end of the thrust shaft (6) extends into the intermediate connecting sleeve (8), a reset structure which is sleeved on the thrust shaft (6) and used for resetting is disposed between the thrust shaft (6) and the outer sleeve (7), and the reset structure is composed of a spring seat (11) and a reset spring (12).

4. A threaded quick connector according to claim 3, characterized in that the retaining sleeve (5) is arranged in the intermediate connecting sleeve (8), the front end of the intermediate connecting sleeve (8) extends into the three-way sleeve (9), the inner wall of the intermediate connecting sleeve (8) at the tail end is provided with a radially protruding collar portion (13) which is in contact with the retaining sleeve (5), and an O-ring (10) for enhancing the sealing property is also arranged between the collar portion (13) and the thrust shaft (6).

5. The threaded quick connector as claimed in claim 4, wherein the retaining sleeve (5) is provided with a plurality of steel balls (14) which are arranged along the circumferential direction of the retaining sleeve and embedded in the retainer so as to facilitate axial movement of the retainer, an O-ring (10) for enhancing sealing performance is arranged between the retaining sleeve (5) and the three-way sleeve (9), and the retaining sleeve (5) is provided with a mounting groove for mounting the O-ring (10).

6. A threaded quick connector according to claim 3, characterized in that the mandrel (4) is generally cylindrical and is divided into a first section, a second section, a third section and a fourth section which are coaxial, the external diameter of the junction of the first section and the second section is a tapered body, the first section is divided into a front part (15), a middle part (16) and a tail part (17) from front to back, the diameters of the front part (15) and the tail part (17) in the first section are constant, and the external diameter of the middle part (16) in the first section is a tapered body which decreases from front to back.

7. The threaded quick connector according to claim 6, wherein the inner sleeve joint (3) is disposed in the three-way sleeve (9), the front end of the inner sleeve joint (3) extends out of the three-way sleeve (9), a return spring (12) is also sleeved on the outer peripheral wall of the inner sleeve joint (3) in the three-way sleeve (9), two ends of the return spring (12) respectively abut against the retainer and the three-way sleeve (9), an inclined chamfer surface is formed on the inner portion of the inner sleeve joint (3) at the front end opening, and the inclination angle of the chamfer surface is matched with the inclination angle of the middle portion (16).

8. A threaded quick connector according to claim 2, characterized in that the external thread of the peripheral wall of the three-way sleeve (9) on the side wall interface is made and sealed by a sealing cap.