Durable metal armored hose

Abstract

The utility model relates to the technical field of metal hoses, in particular to a durable metal armored hose which comprises a metal armored hose body, a flange connector, a connecting threaded column and a fastening assembly. Flange connectors are symmetrically arranged at the two ends of the metal armored hose body. A connecting hole is formed in the flange connector, an internal thread fixing sleeve is fixedly arranged on one side of the connecting hole, and an annular locking groove is formed in the outer side wall of the internal thread fixing sleeve; a limiting pan head is fixedly arranged at one end of the connecting threaded column, and fastening clamping grooves are formed in the end face of the other end of the connecting threaded column at equal intervals; the internal thread fixing sleeve is arranged at the position of the flange connector at the end of the metal armored hose to be matched with the fastening assembly for use, so that the connection stability of the end of the metal armored hose is improved, the problem of looseness is avoided, and a positive effect on improving the durability of the metal hose is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal hose technical field, concretely is a durable metal armored hose. BACKGROUND

[0002] The file with the prior publication number CN220488523U discloses a kind of armored metal hose, and its scheme includes connecting joint, bellows, heat preservation layer and winding sheath, the outer surface of bellows is equipped with metal mesh cover, cover ring fixes metal mesh cover with bellows, connecting joint is located at the both ends of bellows and is connected with bellows, heat preservation layer is wound in the outer surface of metal mesh cover and connecting joint, winding sheath is set on the outer surface of heat preservation layer.

[0003] The connecting head of the above scheme and prior art metal hose is generally flange connecting head or threaded connecting piece, for the metal hose fixed by using flange connecting head to connect, it is fixed after being connected with pipeline connecting head, then fixed by bolt;In use, its flange connecting head is only fastened by bolt, it lacks the locking structure matched to improve its use stability, if loosening problem appears, metal hose also needs to be disassembled and replaced, affect the durability of metal hose.

[0004] Therefore, the utility model provides a kind of durable metal armored hose for solving the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of durable metal armored hose to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of durable metal armored hose, including metal armored hose main body, flange connecting head, connecting threaded column and fastening assembly;

[0007] The both ends of the metal armored hose main body are symmetrically provided with flange connecting head;

[0008] The flange connecting head is provided with connecting hole, one side of the connecting hole is fixedly provided with internal thread fixing sleeve, and the outer side wall of the internal thread fixing sleeve is provided with annular locking groove;

[0009] The connecting threaded column is fixedly provided with limit disc head at one end, and the end face of the other end of connecting threaded column is provided with fastening slot at equal intervals;

[0010] The connecting threaded column is locked by the fastening assembly.

[0011] Preferably, the fastening assembly comprises a sleeve cap body, an annular inner body, a fastening block, a threaded hole body, a locking screw and an auxiliary knob; an inner side wall of one end of the sleeve cap body is fixedly provided with the annular inner body, one end of the annular inner body is flush with a port of one end of the sleeve cap body, and the inner side wall of the annular inner body is fixedly provided with the fastening block at equal intervals.

[0012] Preferably, the fastening block is arranged at the same number of positions corresponding to the fastening block slots at the end of the connecting threaded column, and the locking screw is arranged at equal intervals at the side positions of the sleeve cap body.

[0013] Preferably, one end of the locking screw is fixedly provided with the auxiliary knob, and one end of the auxiliary knob is arranged at equal intervals at the side positions of the rotating auxiliary protrusion.

[0014] Preferably, the inner diameter of the annular inner body is arranged to be equal to the diameter of the connecting threaded column, and the inner diameter of the sleeve cap body is arranged to be equal to the outer diameter of the inner threaded fixed sleeve.

[0015] Preferably, the threaded hole body is arranged at positions corresponding to the annular locking grooves on the outer side wall of the inner threaded fixed sleeve, and one end of the locking screw is adapted to be clamped with the annular locking grooves.

[0016] Preferably, the annular inner body is connected with an auxiliary structure, and the auxiliary structure comprises a groove body and a sealing auxiliary ring; the groove body is arranged at the inner side end position of the annular inner body, and the sealing auxiliary ring is arranged on the groove body.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] The utility model mainly is through setting inner threaded fixed sleeve and fastening assembly at the flange connector position on the metal armored flexible pipe end, improves the connection stability of metal armored flexible pipe end, avoids the problem of loosening, and has positive effect for improving the durability of metal flexible pipe. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the left side schematic view of the metal armored flexible pipe structure connection of the utility model;

[0020] Figure 2 It is the right side schematic view of the metal armored flexible pipe structure connection of the utility model; Figure 1 It is the enlarged schematic view of the partial structure connection of the utility model;

[0021] Figure 3 It is the right side schematic view of the metal armored flexible pipe structure connection of the utility model;

[0022] Figure 4 It is the enlarged schematic view of the partial structure connection of the utility model; Figure 3

[0023] ​Figure 5 It is the connection schematic view of the threaded column structure of the utility model;

[0024] Figure 6 It is the front side schematic view of the cap body structure connection of the utility model;

[0025] Figure 7 It is the rear side schematic view of the cap body structure connection of the utility model;

[0026] Figure 8 It is the internal structure connection schematic view of the cap body of the utility model.

[0027] In the figure: metal armored hose body 1, flange connector 2, connecting hole 21, internal thread fixing sleeve 22, annular locking groove 23, connecting threaded column 3, limit disc head 31, fastening clamping groove 32, cap body 401, annular inner body 402, fastening clamping block 403, threaded hole body 404, locking screw 405, auxiliary knob 406, sticking groove body 501, sealing auxiliary sticking ring 502. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below. All other embodiments obtained by the person skilled in the art without making creative efforts belong to the protection scope of the utility model.

[0029] Please refer to Figure 1 to the figure Figure 8 , the utility model provides a kind of technical scheme: a durable metal armored hose, including metal armored hose body 1, flange connector 2, connecting threaded column 3 and fastening assembly.

[0030] Wherein, flange connector 2 is symmetrically arranged at both ends of metal armored hose body 1;Here, flange connector 2 is provided with connecting hole 21, one side of connecting hole 21 is fixedly provided with internal thread fixing sleeve 22, and the outer side wall of internal thread fixing sleeve 22 is provided with annular locking groove 23;The flange connector 2 here is connected with the flange plate on the other butt joint pipe, then connected by connecting threaded column 3, i.e. connecting threaded column 3 is inserted from the flange plate on the butt joint pipe, then passes through the connecting hole 21 on the flange connector 2, finally is connected with internal thread fixing sleeve 22 by screwing, here, limit disc head 31 is fixedly arranged at one end of connecting threaded column 3, and fastening clamping groove 32 is equidistantly arranged on the end face of the other end of connecting threaded column 3;And connecting threaded column 3 is locked by the fastening assembly arranged, and cap body 401 is used to cooperate with internal thread fixing sleeve 22 to lock connecting threaded column 3.

[0031] In order to improve the connection fastening of the connecting threaded column 3, the locking is carried out through the setting of the fastening assembly, the inner side wall of one end of the sleeve cap body 401 is fixedly provided with an annular inner body 402, one end of the annular inner body 402 is flush with the port of one end of the sleeve cap body 401, and the inner side wall of the annular inner body 402 is fixedly provided with a fastening clamping block 403 at equal intervals; the fastening clamping block 403 corresponds to the setting position of the fastening clamping groove 32 at the end of the connecting threaded column 3, and the number of settings is the same, the lock screw 405 is provided at equal intervals at the side position of the sleeve cap body 401; one end of the lock screw 405 is fixedly provided with an auxiliary knob 406, and the auxiliary knob 406 is provided with a rotating auxiliary protrusion at equal intervals at one end of the side position; the inner diameter of the annular inner body 402 is equal to the diameter of the connecting threaded column 3, and the inner diameter of the sleeve cap body 401 is equal to the outer diameter of the internally threaded fixed sleeve 22; the threaded hole body 404 corresponds to the setting position of the annular locking groove 23 of the outer side wall of the internally threaded fixed sleeve 22, and one end of the lock screw 405 is adapted to be clamped with the annular locking groove 23.

[0032] After the connecting threaded column 3 is tightened, the sleeve cap body 401 is sleeved on the internally threaded fixed sleeve 22, and at the same time, the fastening clamping block 403 in the annular inner body 402 is clamped in the fastening clamping groove 32 at the end of the connecting threaded column 3, and after the fastening clamping block 403 is clamped with the fastening clamping groove 32, the circumferential direction of the connecting threaded column 3 can be limited to avoid the problem of position loosening, thereby improving the stability of the metal armored hose connection.

[0033] In order to further improve the use stability of the connecting threaded column 3, the threaded hole body 404 is provided at equal intervals in the form of a ring on the sleeve cap body 401, that is, the sleeve cap body 401 is locked by clamping the lock screw 405 into the annular locking groove 23, and the number of lock screws 405 used can be selected according to actual needs, which has better working flexibility.

[0034] Among them, the end of the annular inner body 402 is also provided with an auxiliary structure, which includes a pasting groove body 501 and a sealing auxiliary pasting ring 502; the pasting groove body 501 is arranged at the inner end position of the annular inner body 402, and the pasting groove body 501 is provided with the sealing auxiliary pasting ring 502, which is to provide a sealing effect for the connection gap position of the connecting threaded column 3 and the internally threaded fixed sleeve 22 after the sleeve cap body 401 is locked.

[0035] 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 these 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 durable metal armoured hose characterised in that: The utility model provides a metal armored flexible pipe body (1), flange connector (2), connecting threaded column (3) and fastening assembly are included; Both ends of the metal armored flexible pipe body (1) are symmetrically provided with flange connectors (2); The flange connector (2) is provided with a connecting hole (21), one side of the connecting hole (21) is fixedly provided with an internally threaded fixing sleeve (22), and the outer side wall of the internally threaded fixing sleeve (22) is provided with an annular locking groove (23); One end of the connecting threaded column (3) is fixedly provided with a limit disc head (31), and the end face of the other end of the connecting threaded column (3) is provided with fastening clamping grooves (32) at equal intervals; The connecting threaded column (3) is locked by the fastening assembly.

2. A flexible metal hose according to claim 1, characterised in that: The fastening assembly comprises a sleeve cap body (401), an annular inner body (402), a fastening clamping block (403), a threaded hole body (404), a locking screw (405) and an auxiliary knob (406), one end of the sleeve cap body (401) is fixedly provided with the annular inner body (402) on the inner side wall, one end of the annular inner body (402) is flush with the port of one end of the sleeve cap body (401), and the inner side wall of the annular inner body (402) is fixedly provided with the fastening clamping block (403) at equal intervals.

3. A flexible metal hose according to claim 2, characterised in that: The fastening clamping block (403) corresponds to the setting position of the fastening clamping groove (32) at the end of the connecting threaded column (3) and has the same number of settings, and the locking screw (405) is provided at equal intervals on the side of the sleeve cap body (401).

4. A flexible metal hose according to claim 2, characterised in that: One end of the locking screw (405) is fixedly provided with the auxiliary knob (406), and one end of the auxiliary knob (406) is provided with rotation auxiliary protrusions at equal intervals on the side.

5. A flexible metal hose according to claim 2, characterised in that: The inner diameter of the annular inner body (402) is equal to the diameter of the connecting threaded column (3), and the inner diameter of the sleeve cap body (401) is equal to the outer diameter of the internally threaded fixing sleeve (22).

6. A flexible metal hose according to claim 2, characterised in that: The threaded hole body (404) corresponds to the setting position of the annular locking groove (23) on the outer side wall of the internally threaded fixing sleeve (22), and one end of the locking screw (405) is adapted to be clamped with the annular locking groove (23).

7. A flexible metal hose according to claim 2, characterised in that: The annular inner body (402) is connected to an auxiliary structure, and the auxiliary structure comprises a groove body (501) and a sealing auxiliary ring (502); the groove body (501) is arranged at the inner end position of the annular inner body (402), and the sealing auxiliary ring (502) is arranged on the groove body (501).

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