Quick dismounting and connecting device for gas pipeline

Abstract

The utility model belongs to the technical field of gas pipeline connection, and particularly relates to a quick dismounting and connecting device for a gas pipeline, which comprises a half-opening locking ring, a rotary propelling mechanism, a connector and a locking mechanism, the half-opening locking ring and a self-sealing connector are coaxially arranged, the rotary propelling mechanism is connected between the half-opening locking ring and the self-sealing connector, and the connector is connected with the locking mechanism. And the locking mechanism is arranged between the half-opening locking ring and the rotary propelling mechanism and is used for locking or releasing the device. According to the device, connection operation is greatly facilitated, and the semi-open type locking mechanism is matched with the rotary propelling mechanism, so that quick disassembly and assembly can be realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gas pipeline connection technical field, specifically related to a quick dismounting and connecting device for gas pipeline. BACKGROUND

[0002] In the electric power equipment industry, various hoses are often connected to the tank for inflation, recovery and other operations, and the pipeline is frequently disassembled and assembled, which consumes a lot of time and causes great wear to the pipe joints, so the pipe joints need to be replaced frequently. At present, most of the industry equipment adopts self-sealing joints with threads. If inflation is needed, the hose must also have a matching threaded self-sealing joint. Whether the pipeline is connected or disassembled, the self-sealing joint on the pipeline and the self-sealing joint on the equipment need to be rotated. During the rotation process, the self-sealing valve core will be worn, resulting in the generation of foreign matter, which will affect the safety of the electric power equipment. SUMMARY

[0003] The utility model aims at providing a quick dismounting and connecting device for gas pipeline, which solves the problem of valve core wear and quick dismounting of self-sealing joints during the inflation and recovery process of the gas pipeline in the electric power equipment.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A quick dismounting and connecting device for gas pipeline, comprising a half-open locking ring, a rotating propulsion mechanism, a joint and a locking mechanism, the half-open locking ring is coaxially arranged with the joint, the rotating propulsion mechanism is connected between the half-open locking ring and the joint, and is used to drive the joint to move, and the locking mechanism is arranged between the half-open locking ring and the rotating propulsion mechanism, and is used to lock or release the device.

[0006] Further, the half-open locking ring comprises an annular connecting part and an open part, an annular clamping groove is arranged in the open part, and an annular baffle is arranged in the annular connecting part.

[0007] Further, the front end of the joint is a self-sealing valve core, the tail end is provided with a thread, the middle part is a protruding positioning ring, a spring is sleeved on the threaded end, one end of the spring abuts against the positioning ring, and the other end abuts against the annular baffle in the half-open locking ring.

[0008] Further, the rotating propulsion mechanism comprises two oppositely arranged side plates and a middle plate connecting the two side plates, the two side plates are movably connected to the two sides of the annular connecting part of the half-open locking ring through the arranged locking bolts one, a rotating path groove is formed in each of the two side plates, a locking bolt two is clamped in the groove for fixing the positioning ring, and a handle is fixed on the middle plate.

[0009] Further, the locking mechanism comprises a locking connecting piece, the locking connecting piece and the rotating pushing mechanism are provided with same pin holes, one end of the locking connecting piece is movably connected with the outer wall of the half-opening locking ring, and the other end is fixed with the outer wall of the side plate of the rotating pushing mechanism.

[0010] Compared with the prior connection mode, the utility model has the beneficial effects as follows:

[0011] The quick dismounting and mounting connecting device provided by the utility model does not need to adopt threads to connect between the self-sealing connectors, avoids the self-sealing connector valve core abrasion caused by rotation, and is designed to drive the self-sealing connector to realize linear pushing by the half-opening locking ring and the rotating pushing mechanism, greatly facilitates the connection operation, and the half-opening locking mechanism and the rotating pushing mechanism can realize quick dismounting and mounting. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a half-opening locking ring schematic view of the conventional self-sealing connector and the utility model.

[0013] Figure 2 It is a quick dismounting and mounting connecting device releasing state schematic view of the utility model.

[0014] Figure 3 It is a quick dismounting and mounting connecting device pushing state schematic view of the utility model.

[0015] The drawing comprises: 1-conventional self-sealing connector, 2-half-opening locking ring, 3-rotating pushing mechanism, 4-connector, 5-locking mechanism, 6-pin hole, 7-spring, 8-ring clamping groove, 9-rotating path groove, 10-locking bolt one, 11-locking bolt two, 12-positioning ring, 13-handle. DETAILED DESCRIPTION

[0016] The utility model is further explained in connection with the drawings and examples.

[0017] As Figure 1 shown, the conventional self-sealing connector 1 used in the prior art is provided with threads, the threads of different specifications are different in size, the utility model provides a quick dismounting and mounting connecting device for gas pipeline, which comprises a half-opening locking ring 2, the half-opening locking ring 2 comprises a ring connecting part and an opening part, a ring clamping groove 8 is arranged in the opening part, and a ring baffle is arranged in the ring connecting part.

[0018] As Figure 2 and Figure 3The utility model discloses a quick dismounting and connecting device, which comprises a half-open locking ring 2, a conventional self-sealing connector 1 and a rotating and pushing mechanism 3.

[0019] The front end of the connector 4 is a self-sealing valve core, the tail end is provided with a thread, the middle part is a protruding positioning ring 12, the threaded end is provided with a spring 7, one end of the spring 7 abuts against the positioning ring 12, and the other end abuts against an annular baffle in the half-open locking ring 2.

[0020] The rotating and pushing mechanism 3 comprises two oppositely arranged side plates and a middle plate connected between the two side plates, the two side plates are movably connected to the two sides of the annular connecting part of the half-open locking ring 2 through the locking bolts 10 arranged thereon, a rotating path groove 9 is formed in each of the two side plates, and the locking bolt 11 is clamped in the groove for fixing the positioning ring 12, and the handle 13 is fixed to the middle plate.

[0021] The locking mechanism 5 comprises a locking connecting piece, the locking connecting piece and the rotating and pushing mechanism 3 are provided with the same pin hole 6, one end of the locking connecting piece is movably connected to the outer wall of the half-open locking ring 2, and the other end is fixed to the outer wall of the side plate of the rotating and pushing mechanism 3. When the rotating and pushing mechanism 3 drives the locking connecting piece 14 to move to the position where the two pin holes 6 coincide, the pin is inserted for limiting.

[0022] In use, the conventional self-sealing connector 1 is clamped into the annular clamping groove 8 of the half-open locking ring 2. The rotating and pushing mechanism 3 is pressed downward in the designed rotating path, and during the movement of the rotating and pushing mechanism 3, the corresponding connector 4 is pushed forward, and under the action of the spring 7, the conventional self-sealing connector 1 is connected to the connector 4. The rotating and pushing mechanism 3 moves simultaneously to drive the locking connecting piece to move, and when the two pin holes 6 coincide, the pin is inserted for limiting. When disassembly is needed, the pin is removed, and under the action of the spring 7, the rotating and pushing mechanism 3 drives the connector 4 to automatically return to the original position.

[0023] The contents not described in detail in the above description are all the prior art known to those skilled in the art, and although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A quick-disassembly and assembly connection device for a gas pipeline, characterized in that: The invention comprises a semi-open locking ring (2), a rotary propulsion mechanism (3), a joint (4) and a locking mechanism (5); the semi-open locking ring (2) and the joint (4) are coaxially arranged; the rotary propulsion mechanism (3) is connected between the semi-open locking ring (2) and the joint (4) and is used to drive the joint (4) to move; the locking mechanism (5) is arranged between the semi-open locking ring (2) and the rotary propulsion mechanism (3) and is used to lock or release the device.

2. The quick-disconnect connection device for gas pipelines according to claim 1, characterized in that: The semi-open locking ring (2) comprises an annular connecting portion and an opening portion, an annular clamping groove (8) is provided in the opening portion, and an annular baffle is provided in the annular connecting portion.

3. The quick-disconnect connection device for gas pipelines according to claim 2, characterized in that: The front end of the connector (4) is a self-sealing valve core, the rear end is provided with a thread, the middle is a raised positioning ring (12), the threaded end sleeve is provided with a spring (7), one end of the spring (7) is against the positioning ring (12), and the other end is against the annular baffle in the semi-open locking ring (2).

4. The quick-disconnect connection device for gas pipelines according to claim 3, characterized in that: The rotary propulsion mechanism (3) comprises two side plates arranged opposite to each other and an intermediate plate connecting the two side plates. The two side plates are movably connected to the two sides of the annular connecting portion of the semi-open locking ring (2) through a locking bolt (10). A rotation path groove (9) is provided on each of the two side plates. A locking bolt (11) is clamped in the groove for fixing with a positioning ring (12). A handle (13) is fixed to the intermediate plate.

5. The quick-disconnect connection device for gas pipelines according to claim 4, characterized in that: The locking mechanism (5) includes a locking connecting piece, and the locking connecting piece and the rotating propulsion mechanism (3) are provided with the same pin hole (6). One end of the locking connecting piece is movably connected to the outer wall of the semi-open locking ring (2), and the other end is fixed to the outer wall of the side plate on the rotating propulsion mechanism (3).

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