Nozzle replacing structure of water jet loom

By introducing a water-blocking mechanism into the nozzle replacement structure of the water-jet loom, the problems of water spraying and inconvenient operation are solved, and the efficiency and safety of nozzle replacement are improved.

CN223823766UActive Publication Date: 2026-01-23河南中福织造有限公司
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Patent Information

Application Number
CN202520083409.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-01-23
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

The nozzles of existing water-jet looms are prone to spraying water when replaced due to residual water pressure, and the water circuit must be shut off in advance, which is inconvenient and affects the replacement efficiency.

Method used

A nozzle replacement structure including a water-blocking mechanism was designed. Utilizing components such as a slide tube, a cover, and a tension spring, the nozzle interface is automatically sealed after the nozzle is removed, preventing residual water pressure from spraying water and reducing replacement steps.

Benefits of technology

It achieves automatic sealing of the nozzle interface after nozzle replacement, preventing water spraying without the need to shut off the water circuit in advance, thus improving the efficiency and safety of nozzle replacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a water jet loom nozzle replacement structure which comprises a shell, a water inlet connector is arranged on the upper surface of the shell, a nozzle connector is arranged on the right side face of the shell, and the water jet loom nozzle replacement structure further comprises a water retaining mechanism. The water retaining mechanism comprises a sliding pipe, communicating holes, a retaining cover and a tension spring, the sliding pipe is transversely connected to the interior of the nozzle connector in a sliding mode, the communicating holes are formed in the outer arc face of the sliding pipe, the retaining cover is arranged at the left end of the sliding pipe, and the tension spring is arranged between the right side face of the retaining cover and the inner wall of the right side of the shell; according to the nozzle replacing structure of the water jet loom, after the nozzle is taken down, the nozzle connector is automatically sealed, the water jet phenomenon caused by the influence of residual water pressure is avoided, a water path does not need to be closed in advance, the steps needed for replacing the nozzle of the water jet loom are reduced, and the replacing efficiency of the nozzle of the water jet loom is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water-jet loom technical field, concretely to a water-jet loom nozzle replacement structure. BACKGROUND

[0002] Water-jet loom is a kind of weaving equipment using jet water flow to push yarn to weave, because water-jet loom is high in production efficiency, low in running cost, high in weaving quality and wide in application range, therefore, it is widely used in weaving industry, water-jet loom pushes yarn to weave by jet water flow, in weaving process, water-jet loom will pass yarn through nozzle, and jet water flow to weaving machine to push yarn to weave, because the jet speed of water flow is very fast, so water-jet loom can complete a large amount of weaving work in a very short time, in the use process of water-jet loom, affected by use abrasion, the nozzle of water-jet loom needs to be replaced regularly, in prior art, most of water-jet loom nozzles are connected in threaded mode, when replacing nozzle, only need to rotate nozzle, then water-jet loom can be quickly disassembled and assembled, but when replacing part of water-jet loom nozzles, after nozzle is disassembled, part of water flow is jetted from nozzle interface under the drive of residual water pressure, which causes water resource waste, and easily harms human body, needs to close waterway in advance, and replacement is inconvenient. CONTENT OF THE UTILITY MODEL

[0003] The utility model solves the technical problem of overcoming the defects of prior art, provides a water-jet loom nozzle replacement structure, which automatically closes the nozzle interface after the nozzle is removed, avoids the phenomenon of water jetting caused by residual water pressure, does not need to close the waterway in advance, reduces the steps required for replacing the nozzle of the water-jet loom, speeds up the replacement efficiency of the nozzle of the water-jet loom, and effectively solves the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a water-jet loom nozzle replacement structure, which comprises a shell, a water inlet interface is arranged on the upper surface of the shell, and a nozzle interface is arranged on the right side surface of the shell, characterized by further comprising a water blocking mechanism.

[0005] The water blocking mechanism comprises a sliding pipe, a communication hole, a cover and a tension spring, the sliding pipe is transversely and slidingly connected to the inside of the nozzle interface, the outer arc surface of the sliding pipe is respectively provided with the communication hole, the left end of the sliding pipe is provided with the cover, and the tension spring is arranged between the right side surface of the cover and the right side inner wall of the shell, which automatically closes the nozzle interface after the nozzle is removed, avoids the phenomenon of water jetting caused by residual water pressure, does not need to close the waterway in advance, reduces the steps required for replacing the nozzle of the water-jet loom, and speeds up the replacement efficiency of the nozzle of the water-jet loom.

[0006] Further, the water blocking mechanism further comprises a sealing rubber pad, which is arranged on the right side surface of the cover, thereby improving the water blocking effect of the cover.

[0007] Further, the water blocking mechanism further comprises a tapered ring, which is arranged on the left side surface of the cover, and the outer diameter of the tapered ring gradually decreases from right to left, so that the high-pressure water flow exerts a rightward force on the cover.

[0008] Further, the water blocking mechanism further comprises a telescopic rod, which is arranged between the tapered ring and the left inner wall of the shell, thereby providing guiding support for the movement of the cover.

[0009] Further, the upper surface and the right side surface of the shell are both provided with a guide ring, and the water inlet interface and the nozzle interface are both installed in cooperation with the adjacent guide ring, thereby guiding the insertion direction of the high-pressure water pipe and the nozzle and facilitating the connection of the shell with the high-pressure water pipe and the nozzle.

[0010] Further, the inner arc surface of the guide ring is provided with a rubber pad, thereby sealing the connection position of the high-pressure water pipe and the nozzle.

[0011] Further, the upper surface of the shell is provided with a fixing hole at each corner, thereby facilitating the fixation of the position of the shell.

[0012] Compared with the prior art, the water jet loom nozzle replacement structure has the following advantages:

[0013] After the nozzle is removed, the nozzle interface is automatically closed, thereby avoiding the water jet phenomenon caused by the residual water pressure, without the need to close the water path in advance, thereby reducing the steps required for the nozzle replacement of the water jet loom and accelerating the nozzle replacement efficiency of the water jet loom. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structural schematic diagram of the utility model;

[0015] Fig. 2 It is a structural schematic diagram of the overall device front view of the utility model.

[0016] In the drawing: 1 shell, 2 water inlet interface, 3 nozzle interface, 4 water blocking mechanism, 41 sliding pipe, 42 communication hole, 43 cover, 44 tension spring, 45 sealing rubber pad, 46 tapered ring, 47 telescopic rod, 5 guide ring, 6 rubber pad, 7 fixing hole. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made belong to the scope of protection of the present application.

[0018] Please refer to Figs. 1-2 The embodiment provides a technical scheme: a nozzle replacement structure of a water jet loom, which comprises a shell 1, which provides support for the connection of a high-pressure water pipe and a nozzle of the water jet loom, the upper surface of the shell 1 is provided with a water inlet interface 2, the right side surface of the shell 1 is provided with a nozzle interface 3, the water inlet interface 2 and the nozzle interface 3 are both threaded interfaces, the nozzle of the water jet loom is in threaded connection with the nozzle interface 3, the high-pressure water pipe of the water jet loom is in threaded connection with the water inlet interface 2, the upper surface and the right side surface of the shell 1 are both provided with a guide ring 5, the water inlet interface 2 and the nozzle interface 3 are both installed in cooperation with the adjacent guide ring 5, the positions of the high-pressure water pipe and the nozzle are guided by the guide ring 5, the nozzle is conveniently put into the inside of the nozzle interface 3, the high-pressure water pipe is conveniently put into the inside of the water inlet interface 2, the inner arc surfaces of the guide ring 5 are all provided with rubber pads 6, the connecting positions of the high-pressure water pipe and the nozzle are sealed, the upper surface of the shell 1 is provided with fixing holes 7 at four corners, the position of the shell 1 is conveniently fixed, and the nozzle replacement structure further comprises a water blocking mechanism 4.

[0019] The water blocking mechanism 4 comprises a sliding pipe 41, a communication hole 42, a blocking cover 43 and a tension spring 44, the sliding pipe 41 is transversely and slidingly connected in the inside of the nozzle interface 3, the outer arc surfaces of the sliding pipe 41 are respectively provided with the communication hole 42, the left end of the sliding pipe 41 is provided with the blocking cover 43, the right side surface of the blocking cover 43 and the right side inner wall of the shell 1 are provided with the tension spring 44, after the nozzle is separated from the nozzle interface 3, the blocking cover 43 and the sliding pipe 41 are moved rightwards under the elastic force of the tension spring 44, the left end of the nozzle interface 3 is blocked by the blocking cover 43, the water flow in the inside of the shell 1 is prevented from being sprayed out from the nozzle interface 3 under the driving of residual water pressure, the water blocking mechanism 4 further comprises a sealing rubber pad 45, the sealing rubber pad 45 is arranged on the right side surface of the blocking cover 43, the water blocking effect of the blocking cover 43 is improved, the water blocking mechanism 4 further comprises a conical ring 46, the conical ring 46 is arranged on the left side surface of the blocking cover 43, the outer diameter of the conical ring 46 gradually decreases from right to left, the high-pressure water flow applies a rightward force to the conical ring 46, and the position of the blocking cover 43 is limited, the water blocking mechanism 4 further comprises an extension rod 47, the extension rod 47 is arranged between the conical ring 46 and the left side inner wall of the shell 1, and the extension rod 47 provides moving guide support for the left end of the blocking cover 43.

[0020] The working principle of the nozzle replacement structure of the water-jet loom is as follows: when the water-jet loom is used, the nozzle of the water-jet loom is threadedly connected with the nozzle interface 3, and the high-pressure water pipe of the water-jet loom is threadedly connected with the water inlet interface 2; under the pressure of the nozzle, the elastic force of the tension spring 44 is overcome, the slide pipe 41 drives the cover 43 to move to the left, until the communication hole 42 is separated from the inside of the nozzle interface 3; at this time, the high-pressure water flow in the shell 1 enters the inside of the slide pipe 41 through the communication hole 42, and finally is sprayed out from the nozzle; when it is necessary to replace the nozzle, the nozzle is only needed to be rotated and removed; under the elastic force of the tension spring 44, the cover 43 and the slide pipe 41 are pulled to move to the right; the left end of the nozzle interface 3 is sealed by the cover 43, the water flow in the shell 1 is prevented from being sprayed out from the nozzle interface 3 under the driving of the residual water pressure; in the moving process of the cover 43, the slide pipe 41 always slides in the nozzle interface 3, and provides guiding support for the right end of the cover 43; at the same time, the extension and contraction of the telescopic rod 47 provide guiding support for the left end of the cover 43, so that the movement of the cover 43 is more stable and accurate.

[0021] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A nozzle replacement structure for a water-jet loom, comprising a housing (1), wherein a water inlet (2) is provided on the upper surface of the housing (1), and a nozzle inlet (3) is provided on the right side of the housing (1), characterized in that: It also includes a water-blocking mechanism (4); Water blocking mechanism (4): It includes a slide tube (41), a connecting hole (42), a cover (43) and a tension spring (44). The slide tube (41) is laterally slidably connected to the inside of the nozzle interface (3). The outer arc surface of the slide tube (41) is provided with a connecting hole (42). The left end of the slide tube (41) is provided with a cover (43). A tension spring (44) is provided between the right side of the cover (43) and the right inner wall of the housing (1).

2. The nozzle replacement structure for a water-jet loom according to claim 1, characterized in that: The water-blocking mechanism (4) also includes a sealing gasket (45), which is disposed on the right side of the cover (43).

3. The nozzle replacement structure for a water-jet loom according to claim 1, characterized in that: The water-blocking mechanism (4) also includes a conical ring (46), which is disposed on the left side of the cover (43), and the outer diameter of the conical ring (46) gradually decreases from right to left.

4. The nozzle replacement structure for a water-jet loom according to claim 3, characterized in that: The water-blocking mechanism (4) also includes a telescopic rod (47), which is respectively disposed between the conical ring (46) and the left inner wall of the housing (1).

5. The nozzle replacement structure for a water-jet loom according to claim 1, characterized in that: The upper surface and right side of the housing (1) are provided with guide rings (5), and the water inlet (2) and nozzle interface (3) are installed in conjunction with the adjacent guide rings (5).

6. The nozzle replacement structure for a water-jet loom according to claim 5, characterized in that: The inner arc surface of the guide ring (5) is provided with rubber pads (6).

7. The nozzle replacement structure for a water-jet loom according to claim 1, characterized in that: The upper surface of the housing (1) is provided with fixing holes (7) at all four corners.