Weft guide nozzle of water-jet loom

Abstract

The utility model discloses a water jet loom weft guide nozzle which comprises a weft guide nozzle outer cylinder, a guide cylinder is arranged on the weft guide nozzle outer cylinder in a sliding mode, the side portion of the weft guide nozzle outer cylinder is fixedly connected with a connector, the guide cylinder is fixedly connected with an installation head in a penetrating mode, and the installation head is connected with an inner cavity of the connector in a threaded penetrating mode. A limiting mechanism used for locking the mounting position of the mounting head is arranged on the connector, the limiting mechanism comprises a limiting column and a connecting plate, the limiting column is arranged outside the mounting head in a sliding mode, the connecting plate is arranged at the top of the connector in a sliding mode, and the limiting column is used for limiting connection of the mounting head and the connector. Through mutual cooperation of the mounting head, the connector, the limiting column, the connecting plate, the positioning plate, the sliding plate and the pushing plate, the pushing plate drives the sliding plate to perform sliding operation on the positioning plate, limiting protection is facilitated after the mounting head and the connector are mounted, the mounting stability of the guide cylinder is conveniently improved, and random rotation of the mounting head is conveniently prevented.

Description

Technical Field

[0001] The utility model relates to the field of weft guide nozzles for water jet looms, in particular to a weft guide nozzle for water jet looms. Background Art

[0002] A water jet loom is usually a shuttleless loom that uses a jet of water to pull the weft yarn through the shed. The frictional traction of the water jet on the weft yarn is large. When the water jet loom is in use, a weft guide nozzle is used. The weft guide nozzle can be responsible for guiding the weft yarn through the jet generated by the water jet to ensure that the weft yarn is correctly inserted between the warp yarns.

[0003] The prior art water jet loom weft guide nozzle usually includes an outer tube, a guide tube, a connecting head and a mounting head, the mounting head is connected to the guide tube, the connecting head is connected to the outer tube, and then the guide tube is interlaced with the interior of the outer tube, the mounting head is threadedly connected with the interior of the connecting head, and then the weft yarn is led out from the interior of the guide tube, and the weft guide nozzle can be used.

[0004] However, after the mounting head is threadedly connected to the connecting head, there will be a certain impact force when the weft guide nozzle is used to spray water. At the same time, the vibration of the water jet loom during operation will cause the mounting head to rotate inside the connecting head, affecting the stability of the guide tube installation. As a result, it is inconvenient for the weft guide nozzle to limit the guide tube after installation, which has certain limitations. Utility Model Content

[0005] The utility model aims to provide a weft guide nozzle for a water jet loom to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a weft guide nozzle for a water jet loom, comprising:

[0007] An outer cylinder of a weft guide nozzle, wherein a guide cylinder is slidably arranged inside the outer cylinder of the weft guide nozzle, a connecting head is fixedly connected to the side of the outer cylinder of the weft guide nozzle, a mounting head is fixedly inserted and connected to the outside of the guide cylinder, and the mounting head is inserted and connected with the inner cavity thread of the connecting head;

[0008] The connecting head is provided with a limiting mechanism for locking the installation position of the installation head, and the limiting mechanism comprises:

[0009] A limiting column and a connecting plate, wherein the limiting column is slidably arranged on the outside of the mounting head, and the connecting plate is slidably arranged on the top of the connecting head. The limiting column is used to limit the connection between the mounting head and the connecting head, and the connecting plate is used to support the installation position of the limiting column.

[0010] Preferably, a limiting groove is provided on the outside of the mounting head, the limiting column is slidably and interlacedly connected with the inner cavity of the limiting groove, and the top end of the limiting column is fixedly connected with the connecting plate.

[0011] Preferably, a first slide groove is provided at the top of the connecting head, a second slide groove is provided at the bottom end of the inner wall of the first slide groove, the connecting plate is slidably and interlacedly connected with the inner cavity of the first slide groove, the limiting column is slidably and interlacedly connected with the inner cavity of the second slide groove, and the top end of the connecting plate is fixedly connected with an operating frame for pulling the connecting plate to move vertically.

[0012] Preferably, a third slide groove is opened on the side of the connecting plate, a positioning groove is opened on the side of the inner wall of the second slide groove, and the inner cavity of the third slide groove is provided with a positioning plate for locking the installation position of the connecting plate, and the positioning plate is slidably and interlacedly connected with the inner cavity of the positioning groove.

[0013] Preferably, a through groove is provided at the top of the connecting plate, a groove is provided at the top of the positioning plate, an assembling plate is arranged inside the groove, a locking bolt is threadedly inserted and connected to the top of the assembling plate, one end of the locking bolt is threadedly inserted and connected to the bottom end of the inner wall of the groove, a sliding plate is fixedly connected to the top of the assembling plate for driving the positioning plate to slide horizontally, the sliding plate is slidably inserted and connected to the inner cavity of the through groove, and a pushing plate is fixedly connected to the top of the sliding plate.

[0014] Preferably, the side of the connecting plate is slidably and interspersed with a mounting rod, one end of the mounting rod is threadedly and interspersed with the inner wall of the through groove, the outer wall of the mounting rod is slidably and interspersed with the sliding plate, the outer wall of the mounting rod is sleeved with a spring for driving the sliding plate to slide horizontally, one end of the spring is in contact with the sliding plate, and the other end of the spring is in contact with the inner wall of the through groove.

[0015] Technical effects and advantages of the utility model:

[0016] The utility model utilizes the mutual cooperation of the installation head, the connecting head, the limit column, the connecting plate, the positioning plate, the sliding plate and the pushing plate. The connecting plate drives the limit column to slide and connect with the installation head, the positioning plate limits the position of the connecting plate, and the pushing plate drives the sliding plate to slide the positioning plate, which is beneficial to perform limit protection after the installation head and the connecting head are installed, facilitates to increase the stability of the guide cylinder installation, and facilitates to prevent the installation head from rotating at will. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front sectional structural schematic diagram of the utility model.

[0018] Figure 2 It is a front sectional structural diagram of the connecting plate of the utility model.

[0019] Figure 3 It is a structural schematic diagram of the positioning plate of the utility model.

[0020] In the figure: 1. outer cylinder of weft guide nozzle; 2. connecting head; 3. mounting head; 4. limiting mechanism; 41. limiting column; 42. connecting plate; 43. positioning plate; 44. sliding plate; 45. pushing plate; 46. mounting rod; 47. spring; 48. assembly plate; 5. operation frame. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-3 The weft guide nozzle of a water jet loom shown in the figure comprises an outer tube 1 of the weft guide nozzle, a guide tube is slidably arranged inside the outer tube 1 of the weft guide nozzle, a connecting head 2 is fixedly connected to the side of the outer tube 1 of the weft guide nozzle, an installation head 3 is fixedly inserted and connected to the outside of the guide tube, and the installation head 3 is inserted and connected with the inner cavity thread of the connecting head 2.

[0023] Furthermore, a limiting mechanism 4 for locking the installation position of the mounting head 3 is provided on the connecting head 2, and the limiting mechanism 4 includes a limiting column 41 and a connecting plate 42. The limiting column 41 is conducive to limiting the relative position of the mounting head 3 and the connecting head 2, and is convenient for limiting the protection of the mounting head 3 and the guide cylinder to avoid arbitrary rotation of the mounting head 3 and the guide cylinder. The connecting plate 42 is conducive to pulling the limiting column 41 to move, and is convenient for pulling the limiting column 41. The limiting column 41 is slidably arranged on the outside of the mounting head 3, and the connecting plate 42 is slidably arranged on the top of the connecting head 2. The limiting column 41 is used to limit the connection between the mounting head 3 and the connecting head 2, and the connecting plate 42 is used to support the installation position of the limiting column 41. A limiting groove is provided on the outside of the mounting head 3, and the limiting column 41 is slidably and interlacedly connected with the inner cavity of the limiting groove, and the top of the limiting column 41 is fixedly connected to the connecting plate 42.

[0024] Specifically, a first slide groove is provided on the top of the connecting head 2, and a second slide groove is provided at the bottom end of the inner wall of the first slide groove, the connecting plate 42 is slidably and interlacedly connected with the inner cavity of the first slide groove, and the limiting column 41 is slidably and interlacedly connected with the inner cavity of the second slide groove, and the top of the connecting plate 42 is fixedly connected with an operating frame 5 for pulling the connecting plate 42 to move vertically, which is conducive to cooperating with an external tool, and then facilitating the removal of the connecting plate 42, facilitating the pulling out of the limiting column 41 to release the limit of the installation head 3, and a third slide groove is provided on the side of the connecting plate 42, and a positioning groove is provided on the side of the inner wall of the second slide groove, and the inner cavity of the third slide groove is provided with a positioning plate 43 for locking the installation position of the connecting plate 42, which is conducive to limiting the relative position of the connecting plate 42 and the connecting head 2 to avoid the random sliding of the connecting plate 42 and the limiting column 41, and the positioning plate 43 is slidably and interlacedly connected with the inner cavity of the positioning groove.

[0025] Specifically, a through groove is provided at the top of the connecting plate 42, a groove is provided at the top of the positioning plate 43, and an assembly plate 48 is arranged inside the groove. The assembly plate 48 and the locking bolt are conducive to the installation and disassembly of the sliding plate 44, which is conducive to the installation and disassembly of the positioning plate 43. The top thread of the assembly plate 48 is interspersed with a locking bolt, and one end of the locking bolt is interspersed with the bottom thread of the inner wall of the groove. The top of the assembly plate 48 is fixedly connected with a sliding plate 44 for driving the positioning plate 43 to slide horizontally, which is conducive to driving the positioning plate 43 to move, and it is convenient to connect or disconnect the positioning plate 43 with the inner cavity of the positioning groove. The sliding plate 44 is slidably interspersed with the inner cavity of the through groove, and the top of the sliding plate 44 is fixedly connected with a pushing plate 45, which is conducive to Pushing the sliding plate 44 to move is convenient for pushing the positioning plate 43. The side of the connecting plate 42 is slidably inserted and connected with a mounting rod 46, which is beneficial for guiding the sliding of the sliding plate 44 and is also beneficial for installing and disassembling the spring 47. One end of the mounting rod 46 is threadedly inserted and connected with the inner wall of the through groove, and the outer wall of the mounting rod 46 is slidably inserted and connected with the sliding plate 44. The outer wall of the mounting rod 46 is sleeved with a spring 47 for driving the sliding plate 44 to slide horizontally. The elastic force of the spring 47 is beneficial for pushing the sliding plate 44 to move, so that the sliding plate 44 and the positioning plate 43 can be restored to their original positions after movement, so as to facilitate repeated operations on the positioning plate 43. One end of the spring 47 is in contact with the sliding plate 44, and the other end of the spring 47 is in contact with the inner wall of the through groove.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A weft guide nozzle for a water jet loom, comprising: A weft guide nozzle outer cylinder (1), wherein a guide cylinder is slidably arranged inside the weft guide nozzle outer cylinder (1), a connecting head (2) is fixedly connected to the side of the weft guide nozzle outer cylinder (1), a mounting head (3) is fixedly inserted and connected to the outside of the guide cylinder, and the mounting head (3) is inserted and connected to the inner cavity of the connecting head (2) by threaded insertion; It is characterized in that the connecting head (2) is provided with a limiting mechanism (4) for locking the installation position of the installation head (3), and the limiting mechanism (4) comprises: A limiting column (41) and a connecting plate (42), wherein the limiting column (41) is slidably arranged outside the mounting head (3), and the connecting plate (42) is slidably arranged on the top of the connecting head (2), the limiting column (41) is used to limit the connection between the mounting head (3) and the connecting head (2), and the connecting plate (42) is used to support the installation position of the limiting column (41).

2. A weft guide nozzle for a water jet loom according to claim 1, characterized in that: The outside of the mounting head (3) is provided with a limiting groove, the limiting column (41) is slidably connected with the inner cavity of the limiting groove, and the top end of the limiting column (41) is fixedly connected with the connecting plate (42).

3. A weft guide nozzle for a water jet loom according to claim 1, characterized in that: The top of the connecting head (2) is provided with a first slide groove, the bottom end of the inner wall of the first slide groove is provided with a second slide groove, the connecting plate (42) is slidably connected to the inner cavity of the first slide groove, the limiting column (41) is slidably connected to the inner cavity of the second slide groove, and the top end of the connecting plate (42) is fixedly connected to an operating frame (5) for pulling the connecting plate (42) to move vertically.

4. A weft guide nozzle for a water jet loom according to claim 3, characterized in that: A third slide groove is provided on the side of the connecting plate (42), a positioning groove is provided on the side of the inner wall of the second slide groove, and the inner cavity of the third slide groove is provided with a positioning plate (43) for locking the installation position of the connecting plate (42), and the positioning plate (43) is slidably connected with the inner cavity of the positioning groove.

5. A weft guide nozzle for a water jet loom according to claim 4, characterized in that: A through groove is formed at the top of the connecting plate (42), a groove is formed at the top of the positioning plate (43), an assembling plate (48) is arranged inside the groove, a locking bolt is threadedly inserted and connected at the top of the assembling plate (48), one end of the locking bolt is threadedly inserted and connected with the bottom end of the inner wall of the groove, a sliding plate (44) is fixedly connected at the top of the assembling plate (48) for driving the positioning plate (43) to slide horizontally, the sliding plate (44) is slidably inserted and connected with the inner cavity of the through groove, and a pushing plate (45) is fixedly connected at the top of the sliding plate (44).

6. A weft guide nozzle for a water jet loom according to claim 5, characterized in that: The side of the connecting plate (42) is slidably connected with a mounting rod (46), one end of the mounting rod (46) is threadedly connected with the inner wall of the through groove, the outer wall of the mounting rod (46) is slidably connected with the sliding plate (44), and the outer wall of the mounting rod (46) is sleeved with a spring (47) for driving the sliding plate (44) to slide horizontally, one end of the spring (47) is in contact with the sliding plate (44), and the other end of the spring (47) is in contact with the inner wall of the through groove.

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