Screw-in type straight joint

Abstract

The utility model belongs to the field of connecting pieces, particularly relates to a screw-in type straight-through joint, and aims to solve the problem that when an existing joint is connected with a hose, a straight-in and straight-out sleeving mode is generally adopted, and once air pressure or hydraulic pressure in the hose is too large, the hose can be flushed off. The connecting disc and the connecting pipe part are integrally formed, the hexagonal prism part and the connecting disc are integrally formed, the threaded part and the hexagonal prism part are integrally formed, a mounting ring is fixedly connected to one side of the connecting disc, and two symmetrical containing grooves are formed in the circumferential inner wall of the mounting ring; sliding grooves are formed in the inner walls of the two sides of each containing groove, clamping mechanisms used for clamping a connected hose are arranged in the two containing grooves, the hose can be prevented from being flushed off, sundries can be prevented from entering the clamping mechanisms to damage the clamping mechanisms, and the service life of the mechanism is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of connecting piece especially relates to a screwing type straight through connector. BACKGROUND

[0002] The straight through connector is a connecting piece for connecting gas, liquid and other pipelines, specifically a connecting piece for connecting a flexible pipe and a rigid pipeline, which is widely used in industrial, civil, decorative and other fields at present.

[0003] The existing straight through connectors have various styles, but still have the following defects: when the connector is connected with the flexible pipe, it is generally in a straight-in straight-out sleeving mode, and once the gas pressure or hydraulic pressure in the pipe is too large, the flexible pipe may be separated, therefore, the screwing type straight through connector is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the defects in the prior art that when the connector is connected with the flexible pipe, it is generally in a straight-in straight-out sleeving mode, and once the gas pressure or hydraulic pressure in the pipe is too large, the flexible pipe may be separated, and provides the screwing type straight through connector.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The screwing type straight through connector comprises a connecting pipe part, a connecting disc integrally formed with the connecting pipe part, a hexagonal prism part integrally formed with the connecting disc, and a threaded part integrally formed with the hexagonal prism part, a through hole one penetrating through the threaded part is formed at the center of one side of the connecting pipe part, a through hole two penetrating through is formed at the center of one side of the threaded part, the through hole two is in communication with the through hole one, a plurality of annular convex circles for guiding and sealing the flexible pipe are formed on the circumferential outer wall of the connecting pipe part, an external thread is formed on the circumferential outer wall of the threaded part, a mounting ring is fixedly connected to one side of the connecting disc, two symmetrical accommodating grooves are formed on the circumferential inner wall of the mounting ring, a sliding groove is formed on the inner wall of each side of the accommodating groove, a through hole three penetrating through the accommodating groove is formed on the circumferential outer wall of the mounting ring, and a clamping mechanism for clamping the flexible pipe is arranged in each of the two accommodating grooves.

[0007] In a possible design, the clamping mechanism comprises a connecting rod, a wedge-shaped buckle is fixedly connected to the bottom side of the connecting rod, a rotating shaft is fixedly connected to the center of each side of the connecting rod, the rotating shaft is slidingly connected in the sliding groove, a bolt is arranged in the through hole three, and the bottom thread of the bolt penetrates through the top center of the connecting rod.

[0008] In a possible design, a limiting ring is fixedly connected to the top of the circumferential inner wall of the through hole three, and a limiting protrusion is formed on the circumferential inner wall of the through hole three, and the limiting protrusion is located below the limiting ring.

[0009] In a possible design, a through hole is formed in the top center of the limiting ring.

[0010] In a possible design, a cap is clamped on the top of the third through hole.

[0011] In a possible design, annular grooves for clamping sealing rings are formed on the side of the connecting pipe part close to the connecting disc and the side of the threaded part close to the hexagonal part.

[0012] In the present application, when people need to connect pipes with the joint, first, the sealing rings are sleeved in the annular grooves on both sides, then the threaded part is rotated by the wrench clamped on the hexagonal part, so that the external threads on the threaded part are screwed on the internal threads of the fixed rigid pipe interface, the joint is connected with the rigid pipe, then one end of the hose is sleeved on the connecting pipe part, when the hose contacts the wedge-shaped buckle and continues to move inward, the wedge-shaped buckle drives the connecting rod to rotate along the rotating shaft, when the hose continues to move inward and contacts the other end of the connecting rod, the connecting rod reversely rotates along the rotating shaft and drives the wedge-shaped buckle to clamp the hose with the annular convex ring on the inner side, preventing the hose from being knocked off, when the hose needs to be replaced, first, the cap is opened, then the bolt is loosened with a screwdriver, the bolt drives the connecting rod to slide and loosen the clamped hose, then the hose to be replaced is pulled out, then the bolt is tightened to reset the connecting rod, and the hose is sleeved again.

[0013] In the present application, the wedge-shaped buckle and the annular convex ring can clamp the hose when it enters the specified position, preventing the hose from being knocked off.

[0014] In the present application, the limiting ring and the limiting convex part can limit the position of the bolt, making the clamping mechanism more stable when clamping the hose, further preventing the hose from being knocked off.

[0015] In the present application, the cap can prevent debris from entering and damaging the clamping mechanism, prolonging the service life of the mechanism.

[0016] In the present application, the wedge-shaped buckle and the annular convex ring can clamp the hose when it enters the specified position, preventing the hose from being knocked off, the limiting ring and the limiting convex part can limit the position of the bolt, making the clamping mechanism more stable when clamping the hose, further preventing the hose from being knocked off, and the cap can prevent debris from entering and damaging the clamping mechanism, prolonging the service life of the mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The present application provides a whole structure schematic diagram of a screw-in straight-through joint.

[0018] Figure 2 A cross-sectional view of a screw-in straight-through connector is provided in the present application.

[0019] Figure 3 To Figure 2 An enlarged view of A is provided.

[0020] Figure 4 An exploded view of a clamping mechanism in the screw-in straight-through connector is provided in the present application.

[0021] In the figure: 1, connecting pipe part; 2, connecting disc; 3, hexagonal prism part; 4, threaded part; 5, through hole one; 6, through hole two; 7, annular protrusion; 8, external thread; 9, annular groove; 10, mounting ring; 11, accommodating groove; 12, connecting rod; 13, wedge-shaped buckle; 14, bolt; 15, limiting ring; 16, cap; 17, sliding groove; 18, rotating shaft; 19, through hole three; 20, limiting protrusion. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0023] Embodiment 1

[0024] Referring to Figures 1-4 A straight-through connector includes a connecting pipe part 1, a connecting disc 2, a hexagonal prism part 3, a threaded part 4, and a clamping mechanism. The connecting pipe part 1 serves as the main part of the connector, and a through hole one 5 penetrating through the threaded part 4 is formed at the center of one side of the connecting pipe part 1 for the passage of fluid or gas. A plurality of annular protrusions 7 are designed on the circumferential outer wall of the connecting pipe part 1, which play a guiding and sealing role when the hose is inserted, ensuring the tightness of the connection.

[0025] The connecting disc 2 is integrally formed with the connecting pipe part 1 and is used to support and fix the entire connector. The connecting disc 2 is fixedly connected with a mounting ring 10 on one side, and the mounting ring 10 is provided with two symmetrical accommodating grooves 11 for mounting the clamping mechanism.

[0026] The hexagonal prism part 3 is integrally formed with the connecting disc 2 and serves as the part for rotating operation, facilitating installation or disassembly by using a wrench or the like.

[0027] The threaded part 4 is integrally formed with the hexagonal prism part 3, and an external thread 8 is formed on the circumferential outer wall of the threaded part 4 for threaded connection with other pipelines or connectors. A through hole two 6 penetrating through the center of one side of the threaded part 4 is also provided and is in communication with the through hole one 5, ensuring smooth flow of fluid or gas.

[0028] The clamping mechanism comprises a connecting rod 12 and a bolt 14, the connecting rod 12 is placed in the accommodating groove 11, the bottom side of the connecting rod 12 is fixedly connected with a wedge-shaped buckle 13 for clamping the hose, the center of the two sides of the connecting rod 12 is fixedly connected with a rotating shaft 18, the rotating shaft 18 is slidingly connected in a sliding groove 17, so that the connecting rod 12 can move up and down in the accommodating groove 11, the bolt 14 passes through the through hole three 19, the bottom of the bolt 14 is screwed through the top center of the connecting rod 12, when the bolt 14 is rotated, the connecting rod 12 can be pushed to move downwards, so that the wedge-shaped buckle 13 clamps the hose.

[0029] The present application can be used in the field of connectors, and can also be used in other fields applicable to the present application.

[0030] Embodiment 2

[0031] Reference Figures 1-4 On the basis of the first embodiment, the improvement is that the limit ring 15 is fixedly connected to the top of the circumferential inner wall of the through hole three 19, for limiting the upward movement of the bolt 14 and preventing it from falling off, the top center of the limit ring 15 is also provided with a through hole, for facilitating the adjustment of the bolt 14, the limit protrusion 20 is located below the limit ring 15, further increasing the stability of the bolt 14 in the through hole three 19, the cap 16 is clamped on the top of the through hole three 19, for protecting the bolt 14 and preventing dust from entering, the annular groove 9 is respectively provided on the side of the connecting pipe part 1 close to the connecting disc 2 and the side of the threaded part 4 close to the hexagonal prism part 3, for installing a sealing ring and enhancing the sealing performance of the connector.

[0032] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A screwed-through joint comprising a connecting pipe portion (1), a connecting disc (2) integrally formed with the connecting pipe portion (1), a hexagonal prism portion (3) integrally formed with the connecting disc (2), and a threaded portion (4) integrally formed with the hexagonal prism portion (3), characterized in that, The connecting pipe part (1) one side of the center of the circle is provided with a through hole one (5) to the threaded part (4), the threaded part (4) one side of the center of the circle is provided with a through hole (6), the through hole two (6) and through hole one (5) are communicated, the circumference of the outer wall of the connecting pipe part (1) is provided with a plurality of annular convex ring (7) for guiding and sealing hose, the circumference of the outer wall of the threaded part (4) is provided with external thread (8), one side of the connecting disc (2) is fixedly connected with mounting ring (10), the circumference of the inner wall of the mounting ring (10) is provided with two symmetric containing groove (11), the both sides of the containing groove (11) are provided with sliding groove (17), the circumference of the outer wall of the mounting ring (10) is provided with a through hole three (19) to the containing groove (11), two containing groove (11) are provided with clamping mechanism for clamping the hose.

2. A female union according to claim 1, wherein, The clamping mechanism includes connecting rod (12), the bottom side of the connecting rod (12) is fixedly connected with wedge buckle (13), the both sides of the connecting rod (12) are fixedly connected with the shaft (18), the shaft (18) is connected in sliding groove (17), the through hole three (19) is provided with bolt (14), the bottom of the bolt (14) is screwed through the top center of the connecting rod (12).

3. A female union according to claim 1, wherein, The circumference of the inner wall of the through hole three (19) top is fixedly connected with limit ring (15), the circumference of the inner wall of the through hole three (19) is provided with limit protruding (20), the limit protruding (20) is below the limit ring (15).

4. A screw-in union according to claim 3, characterised in that The top center of the limit ring (15) is provided with a through hole.

5. A female union according to claim 1 wherein, The top of the through hole three (19) is clamped with cap (16).

6. A female union according to claim 1 wherein, The connecting pipe part (1) is close to the connecting disc (2) one side and the threaded part (4) is close to the hexagonal prism part (3) one side are provided with annular groove (9) for clamping sealing ring.

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