Corrugated pipe fitting with self-locking function

Abstract

The utility model relates to the technical field of corrugated pipe fittings, in particular to a corrugated pipe fitting with a self-locking function, which comprises a corrugated pipe fitting main body, a connector I and a fixing ring, one end of the corrugated pipe fitting main body is fixedly connected with the connector I, and the surface of the other end of the corrugated pipe fitting main body is fixedly connected with the fixing ring. A sealing assembly used for sealing the joint of the two corrugated pipe fitting bodies is arranged on the surface of the first connector, and a self-locking assembly used for locking connection of the two corrugated pipe fitting bodies is arranged on the surface of the fixing ring. When the self-locking assembly is used for connection, connection between the two corrugated pipe fitting main bodies can be automatically locked, and therefore the problem that connection between the two corrugated pipe fitting main bodies is loosened due to vibration of operation equipment is avoided; sealing is conducted by blocking the gap between the connecting position of the two corrugated pipe fitting bodies and the connecting inner wall, the sealing effect is better, and the connecting thread position is not prone to corrosion.

Description

TECHNICAL FIELD

[0001] The utility model relates to bellows piece technical field especially with self locking function's bellows piece. BACKGROUND

[0002] Bellows piece is often used to isolate two different materials to achieve the protection effect, it can isolate two different media or environment, prevent mutual influence.

[0003] The connecting mode of the existing bellows piece is generally screw connection, in the process of using, because the bellows piece is often connected on some operation equipment, these operation equipment will produce high frequency vibration when working, the screw connection mode of the existing bellows piece is easy to loosen under this kind of environment, thereby leading to the loss of the connection sealing property between the bellows pieces.

[0004] In view of the problem that the screw connection mode of the existing bellows piece is easy to loosen under the high frequency vibration environment of operation equipment, leading to the loss of the connection sealing property between the bellows pieces, a bellows piece that can be self-locked when connecting is designed to overcome the above problems. SUMMARY

[0005] In order to overcome the problem that the screw connection mode of the existing bellows piece is easy to loosen under the high frequency vibration environment of operation equipment, leading to the loss of the connection sealing property between the bellows pieces.

[0006] The technical scheme of the utility model is: bellows piece with self locking function, including bellows piece main part, still including connecting head one and fixed ring, the one end of bellows piece main part is fixedly connected with connecting head one, the surface of the other end of bellows piece main part is fixedly connected with fixed ring, the surface of connecting head one is equipped with the sealing assembly for sealing the connecting place of two bellows piece main bodies, the surface of fixed ring is equipped with the self locking assembly for locking the connection of two bellows piece main bodies.

[0007] As preferred, the sealing assembly includes a thread one, which is arranged on the surface of the connecting head one, the surface of the connecting head one is provided with a positioning hole, and the surface of the connecting head one is fixedly connected with an inner wall sealing ring one.

[0008] As preferred, the other end of the bellows piece main body is fixedly connected with a connecting head two, the inner wall of the connecting head two is provided with a thread two, the thread two is matched with the thread one, the inner wall surface of the other end of the bellows piece main body is fixedly connected with an inner wall sealing ring two, and the surface of the other end of the bellows piece main body is also provided with a positioning hole.

[0009] As preferred, one end of the connecting head one is fixedly connected with an end sealing ring, the inner wall of the bellows piece main body is fixedly connected with a top ring, the edge of the top ring is provided with an inner wall sealing ring three, and the surface of the top ring is in contact with one side surface of the end sealing ring.

[0010] As preferred, the self-locking assembly comprises a side sliding tube fixedly installed on the surface of the fixing ring, the surface of the fixing ring is provided with a through hole, the side sliding tube is located at the through hole of the fixing ring, the through hole of the fixing ring is coincided with the position of the positioning hole provided at the other end of the bellows main body, a clamping block is slidingly connected in the side sliding tube, the end of the clamping block is a rounded corner, and the clamping block is adaptedly clamped with the positioning hole.

[0011] As preferred, the upper end of the clamping block is fixedly connected with a ring-shaped sealing ring, the upper end of the clamping block is fixedly connected with a connecting rod, one end of the connecting rod passes through the upper end of the side sliding tube, and the upper end of the connecting rod is fixedly connected with a puller.

[0012] As preferred, the surface of the connecting rod is sleeved with a spring, the spring is used for pushing the connecting rod downward, and the lower end of the puller is provided with a ring-shaped notch.

[0013] The self-locking assembly of the bellows can automatically lock the connection between the two bellows main bodies during connection, and the subsequent disconnection is convenient, thereby avoiding the problem that the connection between the two bellows main bodies is loose due to vibration of the operation equipment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model discloses a bellows with self-locking function and bellows main body three-dimensional structure schematic diagram is shown.

[0015] Figure 2 The utility model discloses a bellows with self-locking function and connecting head two three-dimensional structure schematic diagram is shown.

[0016] Figure 3 The utility model discloses a bellows with self-locking function and connecting rod three-dimensional structure schematic diagram is shown.

[0017] Figure 4 The utility model discloses a bellows with self-locking function and fixing ring three-dimensional structure schematic diagram is shown.

[0018] Figure 5 The utility model discloses a bellows with self-locking function and clamping block three-dimensional structure schematic diagram is shown.

[0019] Figure 6 The utility model discloses a bellows with self-locking function Figure 3 The utility model discloses a bellows with self-locking function

[0020] Explanation of reference signs: 1, bellows fitting main body; 2, connecting head one; 3, thread one; 4, positioning hole; 5, inner wall sealing ring one; 6, end sealing ring; 7, connecting head two; 8, thread two; 9, inner wall sealing ring two; 10, top ring; 11, inner wall sealing ring three; 12, fixing ring; 13, side sliding pipe; 14, clamping block; 15, annular sealing ring; 16, connecting rod; 17, spring; 18, puller. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and examples.

[0022] Please refer to Figure 1 - Figure 6 The utility model provides a kind of embodiment: the bellows fitting with self-locking function, including bellows fitting main body 1, still including connecting head one 2 and fixing ring 12, one end of bellows fitting main body 1 is fixedly connected with connecting head one 2, the surface of the other end of bellows fitting main body 1 is fixedly connected with fixing ring 12, the surface of connecting head one 2 is equipped with the sealing assembly for sealing the connecting place of two bellows fitting main bodies 1, the surface of fixing ring 12 is equipped with the self-locking assembly for locking the connection of two bellows fitting main bodies 1, the self-locking assembly of this bellows fitting can automatically lock the connection between two bellows fitting main bodies 1 when being connected, to avoid the problem that the connection between two bellows fitting main bodies 1 appears loose due to operation equipment vibration, sealing assembly can be sealed by plugging the gap of the connecting place and connecting inner wall of two bellows fitting main bodies 1 when being connected, sealing effect is better, and connecting thread place is not prone to corrosion.

[0023] Please refer to Figure 1 And Figure 2 In the embodiment, sealing assembly includes thread one 3, thread one 3 is arranged on the surface of connecting head one 2, the surface of connecting head one 2 is equipped with positioning hole 4, the surface of connecting head one 2 is fixedly connected with inner wall sealing ring one 5, the other end of bellows fitting main body 1 is fixedly connected with connecting head two 7, the inner wall of connecting head two 7 is equipped with thread two 8, thread two 8 is adapted with thread one 3, the inner wall surface of the other end of bellows fitting main body 1 is fixedly connected with inner wall sealing ring two 9, the surface of the other end of bellows fitting main body 1 is also equipped with positioning hole 4, one end of connecting head one 2 is fixedly connected with end sealing ring 6, the inner wall of bellows fitting main body 1 is fixedly connected with top ring 10, the edge of top ring 10 is equipped with inner wall sealing ring three 11, and the surface of top ring 10 is in contact with the surface of one side of end sealing ring 6.

[0024] Please refer to Figure 3 - Figure 6In the embodiment, the self-locking assembly comprises a side sliding tube 13 fixedly installed on the surface of the fixing ring 12, the surface of the fixing ring 12 is provided with a through hole, the side sliding tube 13 is located at the through hole of the fixing ring 12, the through hole of the fixing ring 12 is located at the position of the positioning hole 4 provided at the other end of the bellows body 1, the side sliding tube 13 is slidably connected with a clamping block 14, the end of the clamping block 14 is rounded, the clamping block 14 is adaptedly clamped with the positioning hole 4, the upper end of the clamping block 14 is fixedly connected with a ring-shaped sealing ring 15, the upper end of the clamping block 14 is fixedly connected with a connecting rod 16, one end of the connecting rod 16 penetrates through the upper end of the side sliding tube 13, the upper end of the connecting rod 16 is fixedly connected with a pull head 18, the surface of the connecting rod 16 is sleeved with a spring 17, the spring 17 is used to push the connecting rod 16 downward, the lower end of the pull head 18 is provided with a ring-shaped notch, the end of the clamping block 14 is rounded to facilitate the extrusion of the clamping block 14 into the side sliding tube 13 by the connecting head 2, and the ring-shaped notch provided at the lower end of the pull head 18 is used for the insertion of a fingernail to facilitate the outward pulling of the pull head 18.

[0025] In use, first, the connecting head 2 at one end of the bellows body 1 is inserted into the connecting head 7 at one end of another bellows body 1, under the extrusion of the connecting head 2, the clamping block 14 is retracted into the side sliding tube 13, then the connecting head 2 is rotated, when the positioning hole 4 on the surface of the connecting head 2 coincides with the positioning hole 4 on the surface of the other bellows body 1, the clamping block 14 losing the support of the connecting head 2 is inserted into the positioning hole 4 under the action of the spring 17, thereby fixing the connecting head 2, at this time, the connecting head 2 cannot continue to rotate, thus the connection of the two bellows bodies 1 is completed, the connection method between the plurality of bellows bodies 1 is the same as above, when it is needed to release the connection of the two bellows bodies 1, the pull head 18 is pulled outward, the ring-shaped notch provided at the lower end of the pull head 18 is used for the insertion of a fingernail to facilitate the outward pulling of the pull head 18, after the pull head 18 is pulled out, the connecting head 2 is rotated out to release the connection.

[0026] In the process of connecting the two bellows bodies 1, the thread 3 is adapted with the thread 8, so that in the process of rotating the connecting head 2 into the connecting head 7, the end sealing ring 6 at the end of the connecting head 2 is extruded by the top ring 10, thereby achieving the sealing effect, the inner wall sealing ring three 11 provided at the edge of the top ring 10 is in contact with the surface of the end sealing ring 6, ensuring that there is no gap between the end sealing ring 6 and the top ring 10, the inner wall sealing ring one 5 and the inner wall sealing ring two 9 are used to seal the gap between the inner wall of the connecting head 2 and the connecting head 7, further ensuring the sealing performance, preventing external factors such as water from entering the thread 3 and the thread 8 to cause corrosion.

[0027] Through the above steps, the self-locking assembly of the bellows piece can automatically lock the connection between the two bellows piece bodies 1 when the connection is made, and is convenient to release subsequently, thereby avoiding the problem that the connection between the two bellows piece bodies 1 is loose due to vibration of the operation equipment, the bellows piece can realize connection of multiple bellows piece bodies 1 as required, the sealing assembly can seal by plugging the gap at the connection of the two bellows piece bodies 1 and the inner wall of the connection when the connection is made, the sealing effect is better relative to the sealing mode of the existing single connection sealing ring, and the connection thread is not prone to corrosion.

[0028] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A bellows with self-locking function, comprising a bellows body (1); characterized in that: Also include the connector one (2) and the fixed ring (12), the corrugated pipe body (1) one end fixed connection has the connector one (2), the corrugated pipe body (1) the other end surface fixed connection has the fixed ring (12), the surface of the connector one (2) is equipped with the sealing assembly for sealing two corrugated pipe body (1) junction, the surface of the fixed ring (12) is equipped with the self-locking assembly for locking two corrugated pipe body (1) connection.

2. The bellows with self-locking function according to claim 1, characterized in that: The sealing assembly includes a thread one (3), the thread one (3) is arranged on the surface of the connector one (2), the surface of the connector one (2) is provided with a positioning hole (4), the surface of the connector one (2) is fixedly connected with an inner wall sealing ring one (5).

3. The bellows with self-locking function according to claim 2, characterized in that: The other end of the corrugated pipe body (1) is fixedly connected with the connector two (7), the inner wall of the connector two (7) is provided with a thread two (8), the thread two (8) is matched with the thread one (3), the inner wall surface of the other end of the corrugated pipe body (1) is fixedly connected with an inner wall sealing ring two (9), and the surface of the other end of the corrugated pipe body (1) is also provided with a positioning hole (4).

4. The bellows with self-locking function according to claim 3, characterized in that: One end of the connector one (2) is fixedly connected with an end sealing ring (6), the inner wall of the corrugated pipe body (1) is fixedly connected with a top ring (10), the edge of the top ring (10) is provided with an inner wall sealing ring three (11), and the surface of the top ring (10) is in contact with one side surface of the end sealing ring (6).

5. The bellows with self-locking function according to claim 4, characterized in that: The self-locking assembly includes a side sliding pipe (13), the side sliding pipe (13) is fixedly installed on the surface of the fixed ring (12), the surface of the fixed ring (12) is provided with a through hole, the side sliding pipe (13) is located at the through hole of the fixed ring (12), the through hole of the fixed ring (12) is coincided with the position of the positioning hole (4) provided at the other end of the corrugated pipe body (1), and the side sliding pipe (13) is slidably connected with a clamping block (14), the end of the clamping block (14) is a rounded corner, and the clamping block (14) is matched with the positioning hole (4).

6. The bellows with self-locking function according to claim 5, characterized in that: The upper end of the clamping block (14) is fixedly connected with a ring-shaped sealing ring (15), the upper end of the clamping block (14) is fixedly connected with a connecting rod (16), one end of the connecting rod (16) penetrates through the upper end of the side sliding pipe (13), and the upper end of the connecting rod (16) is fixedly connected with a pull head (18).

7. The bellows with self-locking function according to claim 6, characterized in that: The surface of the connecting rod (16) is sleeved with a spring (17), the spring (17) is used for pushing the connecting rod (16) downward, and the lower end of the pull head (18) is provided with an annular notch.

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