Metal hose connector with double-locking structure

Abstract

The utility model provides a double locking structure metal hose joint relates to metal hose joint technical field, including: joint and hose body, the outer surface of hose body is provided with first fixed sleeve and second fixed sleeve, the rear surface of first fixed sleeve is symmetrically provided with first threaded hole, the rear surface of second fixed sleeve is symmetrically provided with second threaded hole. Through holes are symmetrically formed in the positions, close to the right side, of the rear surface of the first fixing sleeve. According to the utility model, under the cooperation of the bolt, the first threaded hole, the second threaded hole, the first fixing sleeve, the second fixing sleeve and the inner ring, the hose body can be stably arranged in the first fixing sleeve, the second fixing sleeve and the inner ring, and then the outer pipe and the joint body are respectively in threaded connection with the inner ring, the first fixing sleeve and the second fixing sleeve; and meanwhile, under the cooperation of the positioning base, the screw and the positioning hole, the outer pipe is limited and fixed, looseness is avoided, and through double locking, the sealing performance and stability after the hose body and the connector body are connected are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of metal hose joints, in particular to a metal hose joint with a double locking structure. Background Art

[0002] The metal hose connector is a high-quality flexible pipe in modern industrial pipelines. It is mainly composed of a bellows, a mesh sleeve and a connector.

[0003] In the prior art, for example, Chinese patent publication number CN210770874U discloses a metal hose connector, including a connector body and a fastening nut, a fastening head is provided at the tooth ring tube end of the connector body, the fastening head includes a base, a fixing plate is fixedly connected to the surface of the base, a stopper is fixedly connected to the side of the fixing plate close to the base, a fixing groove is provided on the surface of the base, a sealing ring is provided on the surface of the fixing groove, a compression rubber ring is provided on the stopper, a fixing ring is provided between the fastening head and the fastening nut, and a gasket is provided between the connector body and the fastening head. The utility model relates to the technical field of pipeline fittings. This metal hose connector solves the problem that the existing connector needs to be manually knocked out of the raised edge of the eversion, and avoids scratching the hands during the installation of the connector.

[0004] The above patent solves the problem that the existing joints need to be manually knocked out of the raised edges, thus avoiding scratches on the hands during the installation of the joints. However, during installation, the joints are only locked separately, and the connection between the joints and the hoses is prone to loosening. The joints cannot effectively cope with vibrations and shocks in the working environment, increasing the risk of loosening of the joints and affecting normal operation. Utility Model Content

[0005] The purpose of the utility model is to solve the problem in the above-mentioned patent that the existing joint needs to be manually knocked out of the raised edge to avoid scratching the hands during the installation of the joint. However, during installation, it is only locked separately, and the connection between the joint and the hose is easy to loosen, which cannot effectively cope with the vibration and impact in the working environment, increases the risk of joint loosening, and affects normal operation. The double locking structure metal hose joint is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a double locking structure metal hose connector, comprising: a connector and a hose body, the outer surface of the hose body is provided with a first fixing sleeve and a second fixing sleeve, the rear surface of the first fixing sleeve is symmetrically provided with a first threaded hole, the rear surface of the first fixing sleeve is symmetrically provided with a through hole near the right side, the front surface of the second fixing sleeve is symmetrically provided with a second threaded hole, the inner surfaces of the two second threaded holes are threadedly connected with bolts, the front surface of the second fixing sleeve is symmetrically fixedly connected with a support rod near the right side, and an inner ring is provided on the inner surface of the hose body.

[0007] Preferably, the two bolts are respectively matched with the two first threaded holes, and the two support rods are respectively matched with the two through holes.

[0008] Preferably, the inner surfaces of the first fixing sleeve and the second fixing sleeve are matched with the outer surface of the hose body, and the outer surface of the inner ring is matched with the inner surface of the hose body.

[0009] Preferably, an outer tube is threadedly connected between the outer surfaces of the first fixing sleeve and the second fixing sleeve, and a rubber pad is provided on the inner wall of the outer tube.

[0010] Preferably, the inner surface of the inner ring is threadedly connected with a joint, and the outer surface of the joint is fixedly connected to the inner surface of the outer tube.

[0011] Preferably, the right end face of the inner ring is fixedly connected to a limiting block, the front end face of the second fixing sleeve is provided with a limiting groove, and the outer surface of the limiting block is engaged with the inner surface of the limiting groove.

[0012] Preferably, a positioning seat is fixedly connected to the left end surface of the outer tube, and a screw is threadedly connected to the outer surface of the positioning seat.

[0013] Preferably, a positioning hole is formed on the outer surface of the second fixing sleeve, and the position of the screw matches the position of the positioning hole.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are:

[0015] 1. In the utility model, the hose body can be stabilized in the first fixing sleeve, the second fixing sleeve and the inner ring by the cooperation of the bolt, the first threaded hole, the second threaded hole, the first fixing sleeve, the second fixing sleeve and the inner ring, and then the outer tube and the joint body are respectively threadedly connected with the inner ring and the first fixing sleeve and the second fixing sleeve to complete the connection between the joint body and the hose. At the same time, with the cooperation of the positioning seat, the screw and the positioning hole, the outer tube is limited and fixed to avoid looseness. Through double locking, the sealing and stability of the hose body after the connection with the joint body are guaranteed.

[0016] 2. In the present invention, the inner ring can be limited by the setting of the limit block and the limit groove, thereby preventing the inner ring from rotating during installation of the joint body, which would cause installation difficulties. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a metal hose connector with a double locking structure proposed by the utility model;

[0018] Figure 2 The exploded diagram of the metal hose connector with double locking structure proposed by the utility model;

[0019] Figure 3 This is a partial structural expansion diagram of the double locking structure metal hose connector proposed in the utility model;

[0020] Figure 4 This is a schematic diagram of the outer tube structure of the double locking structure metal hose connector proposed in the utility model;

[0021] Figure 5 The utility model provides a cross-sectional view of a metal hose connector with a double locking structure.

[0022] Legend: 1. Connector; 2. Outer tube; 3. First fixing sleeve; 4. Second fixing sleeve; 5. Hose; 6. Screw; 7. Positioning seat; 8. Positioning hole; 9. Bolt; 10. Rubber pad; 11. Limiting groove; 12. Limiting block; 13. Inner ring; 15. Support rod; 16. First threaded hole; 17. Through hole; 18. Second threaded hole. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0025] Embodiment 1, as Figure 1-Figure 5As shown, the utility model provides a metal hose connector with a double locking structure, including: a connector 1 and a hose body 5, the outer surface of the hose body 5 is provided with a first fixing sleeve 3 and a second fixing sleeve 4, the rear surface of the first fixing sleeve 3 is symmetrically provided with a first threaded hole 16, the rear surface of the first fixing sleeve 3 is symmetrically provided with a through hole 17 near the right side, the front surface of the second fixing sleeve 4 is symmetrically provided with a second threaded hole 18, the inner surfaces of the two second threaded holes 18 are threadedly connected with bolts 9, the front surface of the second fixing sleeve 4 is symmetrically fixedly connected with a support rod 15 near the right side, the inner surface of the hose body 5 is provided with an inner ring 13, the two bolts 9 are respectively matched with the two first threaded holes 16, and the two The support rods 15 are respectively matched with the two through holes 17, the inner surfaces of the first fixing sleeve 3 and the second fixing sleeve 4 are matched with the outer surface of the hose body 5, the outer surface of the inner ring 13 is matched with the inner surface of the hose body 5, the outer surfaces of the first fixing sleeve 3 and the second fixing sleeve 4 are threadedly connected with the outer tube 2, the inner wall of the outer tube 2 is provided with a rubber pad 10, the inner surface of the inner ring 13 is threadedly connected with a joint 1, the outer surface of the joint 1 is fixedly connected to the inner surface of the outer tube 2, the left end face of the outer tube 2 is fixedly connected with a positioning seat 7, the outer surface of the positioning seat 7 is threadedly connected with a screw 6, and the outer surface of the second fixing sleeve 4 is provided with a positioning hole 8, and the position of the screw 6 matches the position of the positioning hole 8.

[0026] The effect achieved by the entire embodiment 1 is that when the joint body 1 and the hose body 5 are connected, the inner ring 13 is inserted into the inner side of the hose body 5, and the inner ring 13 can be prevented from being completely inserted into the interior of the joint body 1 through the limit ring on the inner ring 13, and then the first fixing sleeve 3 and the second fixing sleeve 4 are placed along the hose body 5, and the inner grooves on the first fixing sleeve 3 and the second fixing sleeve 4 are aligned with the protrusions on the hose body 5, and the limit block 12 is aligned with the limit groove 11, and then the first fixing sleeve 3 and the second fixing sleeve 4 are merged, and the first threaded hole 16 and the second threaded hole 18 are aligned with each other through the cooperation of the support rod 15 and the through hole 17, and then the bolt 9 is screwed into the first threaded hole 16 and the second threaded hole 18, and the first fixing sleeve 3 and the second fixing sleeve 4 are completed. The outer surface of the outer tube 2 is connected with the outer threads of the first fixing sleeve 3 and the second fixing sleeve 4. After the outer tube 2 is rotated to the specified position, the screw 6 on the positioning seat 7 is aligned with the positioning hole 8, and the screw 6 is screwed into the positioning hole 8 for limited fixing, thereby avoiding the outer tube 2 from loosening. After installation, the internal rubber pad 10 is squeezed and filled to ensure the sealing of the hose body 5 after being connected to the joint body 1. At the same time, double locking is performed to ensure the sealing and stability of the hose body 5 after being connected to the joint body 1.

[0027] Embodiment 2, as Figure 1-Figure 5 As shown, the right end face of the inner ring 13 is fixedly connected to the limiting block 12 , the front end face of the second fixing sleeve 4 is provided with a limiting groove 11 , and the outer surface of the limiting block 12 is engaged with the inner surface of the limiting groove 11 .

[0028] The effect achieved by the entire embodiment 2 is that the inner ring 13 can be limited by the setting of the limit block 12 and the limit groove 11, thereby preventing the inner ring 13 from rotating during installation of the joint body 1 and causing installation difficulties.

[0029] Working principle: when connecting the joint body 1 and the hose body 5, the inner ring 13 is inserted into the inner side of the hose body 5. The limiting ring on the inner ring 13 can prevent the inner ring 13 from being completely inserted into the joint body 1. Then the first fixing sleeve 3 and the second fixing sleeve 4 are placed along the hose body 5, and the inner grooves on the first fixing sleeve 3 and the second fixing sleeve 4 are aligned with the protrusions on the hose body 5, and the limiting block 12 is aligned with the limiting groove 11. Then the first fixing sleeve 3 and the second fixing sleeve 4 are merged. With the cooperation of the support rod 15 and the through hole 17, the first threaded hole 16 is aligned with the second threaded hole 18. Then the bolt 9 is screwed into the first threaded hole 16 and the second threaded hole 18 to complete the fixation of the first fixing sleeve 3 and the second fixing sleeve 4, so that the first fixing sleeve 3 and the second fixing sleeve 4 are fixed. 4 and the inner ring 13, the hose body 5 is imprisoned between the first fixing sleeve 3, the second fixing sleeve 4 and the inner ring 13, and then the joint body 1 is rotated to thread the outer part of the joint body 1 with the inner ring 13, and the inner ring 13 is prevented from self-rotation by the cooperation of the limiting groove 11 and the limiting block 12. At the same time, the inner surface of the outer tube 2 is threadedly connected with the outer surfaces of the first fixing sleeve 3 and the second fixing sleeve 4. After the outer tube 2 is rotated to the specified position, the screw 6 on the positioning seat 7 will be aligned with the positioning hole 8, and the screw 6 will be screwed into the positioning hole 8 for limiting and fixing, thereby preventing the outer tube 2 from loosening. After installation, the internal rubber pad 10 will be squeezed and filled to ensure the sealing of the hose body 5 after being connected to the joint body 1, and double locking is performed at the same time to ensure the sealing and stability of the hose body 5 after being connected to the joint body 1.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. Double locking structure metal hose connector, characterized in that: include: A joint (1) and a hose body (5), wherein the outer surface of the hose body (5) is provided with a first fixing sleeve (3) and a second fixing sleeve (4), the rear surface of the first fixing sleeve (3) is symmetrically provided with a first threaded hole (16), the rear surface of the first fixing sleeve (3) is symmetrically provided with a through hole (17) near the right side, the front surface of the second fixing sleeve (4) is symmetrically provided with a second threaded hole (18), the inner surfaces of the two second threaded holes (18) are threadedly connected with bolts (9), the front surface of the second fixing sleeve (4) is symmetrically fixedly connected with a support rod (15) near the right side, and the inner surface of the hose body (5) is provided with an inner ring (13).

2. The double locking structure metal hose connector according to claim 1, characterized in that: The two bolts (9) are respectively matched with the two first threaded holes (16), and the two support rods (15) are respectively matched with the two through holes (17).

3. The double locking structure metal hose connector according to claim 2, characterized in that: The inner surfaces of the first fixing sleeve (3) and the second fixing sleeve (4) are matched with the outer surface of the hose body (5), and the outer surface of the inner ring (13) is matched with the inner surface of the hose body (5).

4. The double locking structure metal hose connector according to claim 3, characterized in that: An outer tube (2) is threadedly connected between the outer surfaces of the first fixing sleeve (3) and the second fixing sleeve (4), and a rubber pad (10) is provided on the inner wall of the outer tube (2).

5. The double locking structure metal hose connector according to claim 4, characterized in that: The inner surface of the inner ring (13) is threadedly connected to a joint (1), and the outer surface of the joint (1) is fixedly connected to the inner surface of the outer tube (2).

6. The double locking structure metal hose connector according to claim 5, characterized in that: The right end face of the inner ring (13) is fixedly connected to a limiting block (12); the front end face of the second fixed sleeve (4) is provided with a limiting groove (11); the outer surface of the limiting block (12) is engaged with the inner surface of the limiting groove (11).

7. The metal hose connector with double locking structure according to claim 6, characterized in that: The left end surface of the outer tube (2) is fixedly connected with a positioning seat (7), and the outer surface of the positioning seat (7) is threadedly connected with a screw (6).

8. The metal hose connector with double locking structure according to claim 7, characterized in that: The outer surface of the second fixing sleeve (4) is provided with a positioning hole (8), and the position of the screw (6) matches the position of the positioning hole (8).

Images