Explosion-proof flexible connecting pipe convenient to connect

Abstract

The utility model relates to the technical field of anti-explosion flexible connecting pipes, in particular to an anti-explosion flexible connecting pipe convenient to connect, which comprises casing pipes arranged at two ends of pipe bodies, and connecting mechanisms convenient for connecting a plurality of pipe bodies are arranged on the casing pipes. The threaded connector is matched with the pipe joint, so that two pipe bodies can be quickly connected conveniently and quickly, the two pipe bodies are connected more firmly and tightly in a threaded connection mode, the two sealing attaching rings are gradually attached at the moment when the threaded connector is screwed into the pipe joint, and the sealing effect is better. A connecting rod is inserted into an inserting hole until the other end of the connecting rod slides out of the inserting hole, at the moment, a spring is reset under the elastic effect of the spring, a clamping block is pushed into a clamping hole in a sleeve, and therefore the sealing performance between the two pipe bodies is improved, and the connecting rod is inserted into the inserting hole until the other end of the connecting rod slides out of the inserting hole. Therefore, locking of the two pipe bodies is completed, and the situation that after long-time use, the connecting position of the two pipe bodies is loosened is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anti -explosion flexible connecting pipe especially relates to an anti -explosion flexible connecting pipe convenient to connect. BACKGROUND

[0002] The anti -explosion flexible pipe is also called anti -explosion hose, and is suitable for IIB, IIC grade T1-T6 group explosive mixture place, is used as the inlet and outlet line connection or steel pipe cloth of anti -explosion electric equipment, and is used in the place with greater line bending difficulty. The anti -explosion flexible pipe structure hose two ends are metal screw thread movable joint, and the pipe body part is divided into metal hose, outer layer cloth, high -quality rubber and reinforced ni cloth hose sheath and + interlayer steel wire braid tube three forms.

[0003] In order to facilitate connection, the existing part of anti -explosion flexible connecting pipe often adopts bayonet type connection or quick plug -in connection, to shorten the installation actuality, but adopting this mode certainly improves the convenience of installation, but also makes the connecting place not firm, and is easy to loosen under long -term use, and then leads to the foreign matter infiltration in the anti -explosion flexible connecting pipe, causes the internal cable damage, and even short circuit accident occurs. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of prior art, the utility model provides an anti -explosion flexible connecting pipe convenient to connect, solves the technical problem that the flexible connecting pipe connection is not close enough in prior art bayonet type and plug -in type, and the connecting place is easy to loosen, leading to the infiltration of foreign matter in its internal, reaches the purpose of improving the stability of connection under the premise of quick connection.

[0005] In order to solve the above technical problem, the utility model provides the following technical scheme: an anti -explosion flexible connecting pipe convenient to connect, including the sleeve pipe installed at the both ends of the pipe body, the sleeve pipe is provided with the connecting mechanism convenient for connecting multiple pipe bodies.

[0006] The connecting mechanism includes the pipe joint installed on the right sleeve pipe and the threaded connection head on the left sleeve pipe, and the pipe joint is provided with internal threads matched with external threads on the threaded connection head, the pipe joint and the threaded connection head are provided with sealing fit rings, and the pipe joint is provided with a locking assembly for improving the connection firmness.

[0007] Further improvement lies in that the sealing fit ring on the pipe joint is provided with a sealing ring groove on the outer side, and the sealing fit ring on the threaded connection head is provided with a sealing convex ring matched with the sealing ring groove.

[0008] Further improvement lies in that the pipe joint comprises a joint body installed in the right side sleeve, a compression nut is installed on the joint body, a rubber ring is installed inside the compression nut, a compression screw head is threadedly connected with the compression nut, and an inner thread matched with the threaded connecting head is formed on the inner wall of the compression screw head.

[0009] Further improvement lies in that the pipe joint, the threaded connecting head and the sealing fitting ring are provided with a plug-in hole, and the left side sleeve is provided with a clamping hole.

[0010] Further improvement lies in that the locking assembly comprises a connecting rod inserted into the plug-in hole, a limiting plate is installed at the end of the connecting rod, a sliding hole is formed at the tail end of the connecting rod, a spring is installed in the sliding hole, and a clamping block is inserted into the clamping hole and slidingly connected to the inner wall of the sliding hole.

[0011] Further improvement lies in that a sliding rod is slidingly connected to the through hole of the connecting rod in communication with the sliding hole, and the sliding rod is connected to the clamping block at the end.

[0012] By the above technical scheme, the utility model provides a flexible connecting pipe of explosion-proof which is convenient to connect, and has at least the following beneficial effects:

[0013] 1. The utility model discloses a threaded connecting head and a pipe joint, which can quickly complete the connection of two pipe bodies, and the connection is more convenient and fast.

[0014] 2. The utility model discloses a threaded connecting head and a pipe joint, which can quickly complete the connection of two pipe bodies, and the connection is more convenient and fast.

[0015] 3. The utility model discloses a threaded connecting head and a pipe joint, which can quickly complete the connection of two pipe bodies, and the connection is more convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application.

[0017] In the drawings:

[0018] Figure 1 The utility model discloses a whole structure schematic diagram;

[0019] Figure 2The utility model discloses a pipe joint split structure schematic view.

[0020] Figure 3 The utility model discloses a connecting mechanism partial enlargement structure schematic view.

[0021] Figure 4 The utility model discloses a pipe body connecting structure schematic view.

[0022] Figure 5 The utility model discloses a locking assembly independent partial section structure schematic view.

[0023] In the drawing: 1, pipe body;2, sleeve;

[0024] 3, connecting mechanism;31, pipe joint;311, joint body;312, compression nut;313, rubber washer;314, compression screw head;

[0025] 32, threaded connector;33, sealing lamination ring;331, sealing ring groove;332, sealing convex ring;

[0026] 34, locking assembly;341, connecting rod;342, limit plate;343, sliding hole;344, spring;345, clamping block;346, sliding rod. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0028] Embodiment 1

[0029] Based on the problems that the flexible connecting pipe of the bayonet type and plug-in type in the prior art is not connected closely, the connecting part is easy to loosen, and foreign matters in the outside world seep into the inside, the embodiment provides a convenient-to-connect anti-explosion flexible connecting pipe, please refer to Figures 1-5 The embodiment provides a convenient-to-connect anti-explosion flexible connecting pipe, which can improve the stability of connection under the premise of rapid connection. The convenient-to-connect anti-explosion flexible connecting pipe comprises sleeves 2 installed at both ends of pipe bodies 1, the sleeves 2 are provided with connecting mechanisms 3 convenient for connecting the plurality of pipe bodies 1, the two pipe bodies 1 are rapidly connected through the connecting mechanisms 3, and the two pipe bodies 1 are locked through locking assemblies 34, so that the two pipe bodies 1 are prevented from loosening after long-time use, and the situation that foreign matters in the outside world seep into the inside is avoided.

[0030] Because the flexible connecting pipe of the prior art is not connected tightly, the connection is easy to loosen, and foreign matters can penetrate into the pipe, therefore, the device is provided with a connecting mechanism 3, the connecting mechanism 3 comprises a pipe joint 31 installed on the right sleeve 2 and a threaded connecting head 32 installed on the left sleeve 2, and the pipe joint 31 is provided with internal threads matched with external threads of the threaded connecting head 32, and the pipe joint 31 and the threaded connecting head 32 are both provided with sealing fit rings 33, and the pipe joint 31 is provided with a locking assembly 34 for improving the connection firmness, and the threaded connecting head 32 of another pipe body 1 is screwed into the pipe joint 31 of the initial pipe body 1, so that the connection of the two pipe bodies 1 is quickly completed, and the threaded connection makes the connection of the two pipe bodies more firm and tight.

[0031] In order to improve the sealing property of the connection between the two pipe bodies 1, the device is provided with a sealing ring groove 331 outside the sealing fit ring 33 on the pipe joint 31, and the sealing fit ring 33 on the threaded connecting head 32 is provided with a sealing convex ring 332 matched with the sealing ring groove 331, and as the threaded connecting head 32 is screwed into the pipe joint 31, the two sealing fit rings 33 are gradually fitted, and the sealing convex ring 332 on the two sealing fit rings 33 and the sealing ring groove 331 are mutually fitted and sealed, so that the sealing property between the two pipe bodies 1 is improved.

[0032] The pipe joint 31 comprises a joint body 311 installed in the right sleeve 2, the joint body 311 is provided with a compression nut 312, the inner side of the compression nut 312 is provided with a rubber gasket 313, the compression nut 312 is internally threaded with a compression screw head 314, and the inner wall of the compression screw head 314 is provided with internal threads matched with the threaded connecting head 32, the axial pressure generated by rotation is used to clamp the parts by the thread engagement between the compression screw head 314 and the compression nut 312 according to the mechanical principle of the thread, the rubber gasket 313 arranged between the two parts can fill the gap between the parts and form a seal, and can also reduce the wear and vibration between the parts, and the firmness of the connection between the two pipe bodies 1 is further improved.

[0033] Example 2

[0034] Based on example 1, as Figures 1-5To avoid the loosening of the threads between the two pipe bodies 1 after long time use, resulting in insufficient tightness of the connection, the device is further provided with a locking assembly 34, the pipe joint 31, the threaded connector 32 and the sealing ring 33 are provided with a plug-in hole corresponding to the through opening, and the left sleeve 2 is provided with a clamping hole. The locking assembly 34 comprises a connecting rod 341 inserted into the plug-in hole, and the connecting rod 341 is provided with a limiting plate 342 at the end, and the tail end of the connecting rod 341 is provided with a sliding hole 343, and the sliding hole 343 is provided with a spring 344, and the other end of the spring 344 is provided with a clamping block 345 inserted into the clamping hole and slidingly connected to the inner wall of the sliding hole 343, when the threaded connector 32 is completely engaged into the pipe joint 31, at this time, the connecting rod 341 is inserted into the plug-in hole, until the other end of the connecting rod 341 slides out of the plug-in hole, at this time, the spring 344 is reset under the elastic action of itself and pushes the clamping block 345 into the clamping hole on the sleeve 2, so as to complete the locking of the two pipe bodies 1, avoiding the loosening of the connection between the two pipe bodies 1 after long time use.

[0035] When it is necessary to disassemble the two pipe bodies 1 for inspection and repair, since the clamping block 345 is inserted into the clamping hole, it is not convenient to disassemble, therefore, the device is slidingly connected with a sliding rod 346 in the through hole of the connecting rod 341 communicating with the sliding hole 343, and the sliding rod 346 is connected with the clamping block 345 at the end, when it is necessary to remove the connecting rod 341, pull the grommet on the sliding rod 346, the sliding rod 346 can be pulled outwards along the through hole and pull the clamping block 345 out of the clamping hole and slide into the sliding hole 343, at this time, pull the connecting rod 341 to remove it.

[0036] It should be noted that in this text, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.

[0037] Although the embodiments of the present application have been shown and described, it is 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 present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof flexible connector that is easy to connect, comprising sleeves (2) installed at both ends of a pipe body (1), characterized in that: The sleeve (2) is provided with a connecting mechanism (3) to facilitate the connection of multiple tubes (1); The connecting mechanism (3) includes a pipe joint (31) installed on the right sleeve (2) and a threaded connector (32) on the left sleeve (2). The pipe joint (31) has an internal thread that matches the external thread on the threaded connector (32). Both the pipe joint (31) and the threaded connector (32) are equipped with sealing rings (33). The pipe joint (31) is provided with a locking component (34) to improve the connection firmness.

2. The explosion-proof flexible connector according to claim 1, characterized in that: The sealing ring (33) on the pipe joint (31) has a sealing ring groove (331) on its outer side, and a sealing convex ring (332) matching the sealing ring groove (331) is installed on the outer surface of the sealing ring (33) on the threaded connector (32).

3. The explosion-proof flexible connector according to claim 1, characterized in that: The pipe fitting (31) includes a fitting body (311) installed in the right sleeve (2), a clamping nut (312) is installed on the fitting body (311), and a rubber washer (313) is installed on the inner side of the clamping nut (312). The clamping nut (312) is internally threaded with a clamping screw head (314), and the inner wall of the clamping screw head (314) is provided with an internal thread that matches the threaded connector (32).

4. The explosion-proof flexible connector according to claim 1, characterized in that: The pipe joint (31), threaded connector (32) and sealing ring (33) are respectively provided with insertion holes, and the left sleeve (2) is provided with snap-fit ​​holes.

5. The explosion-proof flexible connector according to claim 1, characterized in that: The locking assembly (34) includes a connecting rod (341) inserted into the insertion hole, and a limit plate (342) is installed at the end of the connecting rod (341). A sliding hole (343) is opened at the tail end of the connecting rod (341), and a spring (344) is installed in the sliding hole (343). A snap block (345) is installed at the other end of the spring (344), which is inserted into the snap hole and slidably connected to the inner wall of the sliding hole (343).

6. The explosion-proof flexible connector according to claim 5, characterized in that: A slide rod (346) is slidably connected in the through hole communicating with the slide hole (343) on the connecting rod (341), and the end of the slide rod (346) is connected to the snap block (345).

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