Leak-proof buckle type metal hose

Abstract

The utility model relates to the technical field of metal hoses, in particular to an anti-leakage buckle type metal hose which is provided with a threaded connection mechanism capable of conducting clamping and circumferential limiting and is easy to assemble and disassemble, good in sealing performance and capable of improving reliability. Comprising a metal hose body, an inner threaded sleeve, limiting grooves, a connector, an outer threaded head, a restraining frame, a restraining shaft, an overturning plate, a clamping block, an extending frame and a spring, one side of the metal hose body communicates with the outer side of the inner threaded sleeve, the multiple sets of limiting grooves are annularly formed in the middle of the outer side of the inner threaded sleeve, and the other side of the metal hose body communicates with the outer side of the connector; the front end and the rear end of the outer side of the connector are connected with the inner ends of the restraining frames respectively, the upper portion of the inner side of each restraining frame is movably connected with the middle of the outer side of the corresponding overturning plate through the corresponding restraining shaft, the inner side of the left end of each overturning plate is connected with a clamping block, and the lower portion of the inner side of each restraining frame is connected with an extending frame. Springs are connected to the extension frames and the outer sides of the inner ends of the overturning plates.

Description

Technical Field

[0001] The utility model relates to the technical field of metal hoses, in particular to a leak-proof snap-type metal hose. Background Technique

[0002] Metal hoses are important components in the connecting pipelines of modern industrial equipment. Metal hoses are used as wire and cable protection pipes for electric wires, cables, and automated instrument signals, as well as civilian shower hoses, with specifications ranging from 3 mm to 150 mm. Small-diameter metal hoses (inner diameter 3 mm - 25 mm) are mainly used for protecting the sensing lines of precision optical scales and industrial sensor lines.

[0003] Generally, metal hoses are connected through a specific structure. For example, a metal hose connector that is easy to load and unload, with the patent publication number CN203384542U, is connected through a sleeve pipe and a connecting ring, and the connecting ring is screwed with a screw pipe. When in use, the connecting ring is sleeved on both ends of the hose body through a retaining ring, one end of the screw pipe is connected to the connecting ring, and the other end is connected to other pipe fittings or devices. The separate connection of each component is reasonable and the loading and unloading are convenient.

[0004] However, due to the poor sealing performance of this structure, there is a certain risk of leakage and poor reliability. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the utility model provides a leak-proof snap-type metal hose that is provided with a screw connection mechanism that can perform circumferential limiting by clamping, is simple to load and unload, has good sealing performance, and improves reliability.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the utility model provides the following technical solution: A leak-proof snap-type metal hose, comprising a metal hose body, an internal thread sleeve, a limiting groove, a connection head, an external thread head, a constraint frame, a constraint shaft, a turning plate, a clamping block, an extension frame, and a spring. One side of the metal hose body is connected to the outside of the internal thread sleeve, and multiple groups of limiting grooves are circumferentially arranged in the middle of the outside of the internal thread sleeve. The other side of the metal hose body is connected to the outside of the connection head, the inside of the connection head is connected to the outside of the external thread head, the circumferential side of the external thread head is detachably screwed into the inside of the internal thread sleeve, the front and rear ends of the outside of the connection head are respectively connected to the inner ends of a group of constraint frames, the upper parts of the inner sides of each group of constraint frames are respectively movably connected to the middle of the outside of a group of turning plates through a group of constraint shafts, the inner side of the left end of the turning plate is connected to a clamping block, the lower part of the inner side of the constraint frame is connected to an extension frame, and a spring is connected between the extension frame and the outer side of the inner end of the turning plate.

[0009] Preferably, it further comprises handle pieces, and two groups of handle pieces are oppositely connected to the outside of the left end of the internal thread sleeve.

[0010] Preferably, a sealing gasket is further included, and the sealing gasket is circumferentially connected to the inner side of the connector.

[0011] Preferably, a PTFE tape is further included, and the PTFE tape is arranged between the outer circumferential side of the external thread head and the inner circumferential side of the internal thread sleeve.

[0012] Preferably, an anti-slip contact pad is further included, and the right end of the outer side of each group of the turning plates is respectively connected to the inner side of a group of anti-slip contact pads.

[0013] Preferably, information engraving is further included, and a group of information engraving is respectively arranged on the inner side of the top end of the internal thread sleeve and the inner side of the top end of the connector.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides an anti-leakage snap-type metal hose, which has the following beneficial effects:

[0016] Between adjacent metal hose bodies, the inner circumferential side of the internal thread sleeve and the outer circumferential side of the external thread head are screwed and sleeved. On the basis of synchronously pressing the outer sides of the two groups of turning plates inward, by screwing the internal thread sleeve, the external thread head is screwed in place inside the internal thread sleeve. Then, the two groups of turning plates are released. Under the connection of the extension frame, the spring acts on the turning plates to elastically reset, so that the turning plates are turned by the restraint shaft under the restraint of the restraint frame, and the inner sides of the turning plates face inward, so that the clamping blocks are clamped into the corresponding limiting grooves, thereby circumferentially fixing the internal thread sleeve and the connector, avoiding loosening, forming a seal, and providing a screwed connection mechanism that can perform circumferential limiting for clamping, which is simple to load and unload, has good sealing performance, and improves reliability. Description of the drawings

[0017] Figure 1 is an axonometric view of the structural schematic diagram of the utility model;

[0018] Figure 2 is of the utility model Figure 1 top view;

[0019] Figure 3 is of the utility model Figure 1 right view;

[0020] Figure 4 is of the utility model Figure 1 rear view.

[0021] Markings in the drawings: 1, metal hose body; 2, internal thread sleeve; 3, limiting groove; 4, connector; 5, external thread head; 6, restraint frame; 7, restraint shaft; 8, turning plate; 9, clamping block; 10, extension frame; 11, spring; 12, handle piece; 13, sealing gasket; 14, PTFE tape; 15, anti-slip contact pad; 16, information engraving. Detailed implementation manners

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Embodiment

[0024] Please refer to Figures 1-4 , an anti-leakage snap-type metal hose, comprising a metal hose body 1, an internal thread sleeve 2, a limiting groove 3, a connector 4, an external thread head 5, a restraint frame 6, a restraint shaft 7, a turning plate 8, a clamping block 9, an extension bracket 10 and a spring 11. One side of the metal hose body 1 is communicated with the outer side of the internal thread sleeve 2. Multiple groups of limiting grooves 3 are circumferentially arranged in the middle of the outer side of the internal thread sleeve 2. The other side of the metal hose body 1 is communicated with the outer side of the connector 4. The inner side of the connector 4 is communicated with the outer side of the external thread head 5. The circumferential side of the external thread head 5 is detachably screwed into the inside of the internal thread sleeve 2. The front and rear ends of the outer side of the connector 4 are respectively connected to the inner ends of a group of restraint frames 6. The upper parts of the inner sides of each group of restraint frames 6 are respectively movably connected to the middle of the outer side of a group of turning plates 8 through a group of restraint shafts 7. The inner side of the left end of the turning plate 8 is connected with a clamping block 9. The lower part of the inner side of the restraint frame 6 is connected with an extension bracket 10. A spring 11 is connected between the extension bracket 10 and the outer side of the inner end of the turning plate 8. Between adjacent metal hose bodies 1, they are screwed and sleeved through the inner circumferential side of the internal thread sleeve 2 and the outer circumferential side of the external thread head 5. On the basis of simultaneously pressing the outer sides of the two turning plates 8 inward, by screwing the internal thread sleeve 2, the external thread head 5 is screwed in place inside the internal thread sleeve 2. Then the two turning plates 8 are released. Under the connection of the extension bracket 10, the spring 11 acts on the turning plate 8 to elastically reset, so that the turning plate 8 is turned by the restraint shaft 7 under the restraint of the restraint frame 6, making the inner side of the turning plate 8 face inward, so that the clamping block 9 is clamped into the corresponding limiting groove 3, thereby circumferentially fixing the internal thread sleeve 2 and the connector 4 to avoid loosening and forming a seal.

[0025] It further includes handle pieces 12. Two groups of handle pieces 12 are oppositely connected to the outer side of the left end of the internal thread sleeve 2; it is convenient to apply force to rotate the internal thread sleeve 2 through the two handle pieces 12, improving convenience.

[0026] It further includes a sealing ring gasket 13. The sealing ring gasket 13 is circumferentially connected to the inner side of the connector 4; after the external thread head 5 is screwed and closed inside the internal thread sleeve 2, the sealing ring gasket 13 can be in contact with it, further improving the sealing effect and reliability.

[0027] It further includes PTFE tape 14, and PTFE tape 14 is provided between the outer ring side of the external thread head 5 and the inner ring side of the internal thread sleeve 2; by arranging the PTFE tape 14 at the screwed connection of the external thread head 5 and the internal thread sleeve 2, the sealing degree can be increased, leakage can be reduced, and reliability can be improved.

[0028] It further includes anti-slip contact pads 15, and the outer right ends of each group of turning plates 8 are respectively connected to the inner sides of a group of anti-slip contact pads 15; through the anti-slip contact pads 15, it can contact with the human hand, increase the static friction, avoid slipping, and improve the stability.

[0029] It further includes information markings 16, and a group of information markings 16 are respectively arranged on the inner side of the top end of the internal thread sleeve 2 and the inner side of the top end of the connecting head 4; through the information markings 16, the internal thread sleeve 2 and the connecting head 4 can be marked, which is convenient for distinction and confirmation, and improves the convenience.

[0030] In summary, when a leak-proof snap-type metal hose is in use, between adjacent metal hose bodies 1, the inner ring side of the internal thread sleeve 2 is screwed and sleeved with the outer ring side of the external thread head 5. On the basis of simultaneously pressing the outer sides of the two groups of turning plates 8 inward through the anti-slip contact pads 15, it is convenient to apply force and rotate the internal thread sleeve 2 through the two groups of grip pieces 12, so that the external thread head 5 is screwed in place inside the internal thread sleeve 2. Then, the two groups of turning plates 8 are released. Under the connection of the extension frame 10, the spring 11 acts on the turning plates 8 to elastically reset, so that the turning plates 8 are flipped by the restraint shaft 7 under the restraint of the restraint frame 6, and the inner sides of the turning plates 8 face inward, so that the clamping blocks 9 are inserted into the corresponding limit grooves 3, thereby circumferentially fixing the internal thread sleeve 2 and the connecting head 4, avoiding loosening, forming a seal, and the sealing ring gasket 13 can contact after the external thread head 5 is screwed and closed inside the internal thread sleeve 2, further improving the sealing effect. By arranging the PTFE tape 14 at the screwed connection of the external thread head 5 and the internal thread sleeve 2, the sealing degree can be increased and leakage can be reduced. In addition, the internal thread sleeve 2 and the connecting head 4 can be marked through the information markings 16, which is convenient for distinction and confirmation and improves the convenience.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A leak-proof snap-type metal hose, characterized in that, It includes a metal hose body (1), an internal thread sleeve (2), a limit groove (3), a connector (4), an external thread head (5), a restraint frame (6), a restraint shaft (7), a turning plate (8), a clamping block (9), an extension bracket (10) and a spring (11). One side of the metal hose body (1) is communicated with the outside of the internal thread sleeve (2). Multiple groups of limit grooves (3) are circumferentially arranged in the middle of the outside of the internal thread sleeve (2). The other side of the metal hose body (1) is communicated with the outside of the connector (4). The inside of the connector (4) is communicated with the outside of the external thread head (5). The circumferential side of the external thread head (5) is detachably screwed into the inside of the internal thread sleeve (2). The front and rear ends of the outside of the connector (4) are respectively connected with the inner ends of a group of restraint frames (6). The upper parts of the inside of each group of restraint frames (6) are respectively movably connected with the middle of the outside of a group of turning plates (8) through a group of restraint shafts (7). A clamping block (9) is connected to the inside of the left end of the turning plate (8). An extension bracket (10) is connected to the lower part of the inside of the restraint frame (6). A spring (11) is connected between the extension bracket (10) and the outside of the inner end of the turning plate (8).

2. The leak-proof snap-type metal hose according to claim 1, characterized in that: It further includes handle pieces (12). Two groups of handle pieces (12) are oppositely connected to the outside of the left end of the internal thread sleeve (2).

3. The leak-proof snap-type metal hose according to claim 1, wherein: It further includes a sealing ring gasket (13). A sealing ring gasket (13) is circumferentially connected to the inside of the connector (4).

4. The leak-proof snap-type metal hose according to claim 1, characterized in that: It further includes PTFE tape (14). PTFE tape (14) is arranged between the circumferential side of the external thread head (5) and the circumferential side of the inside of the internal thread sleeve (2).

5. The leak-proof snap-in type metal hose according to claim 1, characterized in that: It further includes anti-slip contact pads (15). The right ends of the outside of each group of turning plates (8) are respectively connected with the inside of a group of anti-slip contact pads (15).

6. The leak-proof snap-type metal hose according to claim 1, characterized in that: It further includes information markings (16). A group of information markings (16) are respectively arranged on the inside of the top of the internal thread sleeve (2) and the inside of the top of the connector (4).

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