Vertical shunt valve for water-jet loom

Abstract

The utility model discloses a vertical shunt valve for a water jet loom, which relates to the technical field of shunt valves, and comprises a valve body, a valve core is rotatably mounted in the valve body, the end part of the valve core extends to the outer side from the top end of the valve body, a driving sleeve is fixedly mounted at the end part of the valve core, a plurality of groups of spiral grooves are formed in the side wall of the driving sleeve, and the spiral grooves are communicated with the valve body. The periphery of the driving sleeve is sleeved with a connecting base. According to the design scheme, through the design that the driving sleeve is fixedly installed at the end of the valve element, when the shunt valve works, the motor drives the driving disc to rotate, the arc-shaped bosses on the driving disc and the arc-shaped bosses on the driven disc make contact with each other to extrude the driven disc downwards, the connecting base elastically resets after the arc-shaped bosses are staggered with each other, and therefore the connecting base ascends and descends in a reciprocating mode; when the connecting base ascends and descends, the valve element rotates in a reciprocating mode through cooperation of the guide block and the spiral groove to complete reversing of water flow, so that motor braking reversing is not needed, vibration of the shunt valve during working is relieved, and the stability of weft yarn movement is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of water distribution valve technology, and in particular to a vertical water distribution valve for a water jet loom. Background Technology

[0002] Currently, water jet looms typically use a water jet to pull the weft yarn through the shed. During production, the direction of the water flow needs to be frequently switched to control the weft yarn's movement. Existing technology usually relies on a motor to control the valve stem's frequent reciprocating rotation, thus changing the water flow direction. However, the motor needs to constantly brake and reverse the valve stem during rotation, causing significant vibration during operation. This negatively impacts the stability of the water jet, resulting in excessive weft yarn pulling amplitude and unstable weft yarn movement. Utility Model Content

[0003] In order to overcome the above-mentioned defects in the prior art, this utility model provides a vertical water distribution valve for a water jet loom.

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: a vertical water distribution valve for a water jet loom, including a valve body, a valve core rotatably installed inside the valve body, the end of the valve core extending from the top of the valve body to the outside, a drive sleeve fixedly installed at the end of the valve core, several sets of spiral grooves opened on the side wall of the drive sleeve, a connecting seat fitted around the drive sleeve, a guide block matching the spiral grooves fixedly connected to the side wall of the connecting seat adjacent to the drive sleeve, the connecting seat elastically movably installed on a support frame, the support frame fixedly installed on the top of the valve body, a drive assembly installed on the support frame, the drive assembly being used to drive the connecting seat to rise and fall on the support frame, the drive assembly including a motor, a drive disc fixedly installed on the power output shaft of the motor, a driven disc matching the drive disc installed on the connecting seat, several sets of arc-shaped bosses provided on the adjacent end faces of the driven disc and the drive disc, the arc-shaped bosses being arranged in a circumferential array on the driven disc and the drive disc.

[0005] Furthermore, the connecting seat is a cylindrical structure, and a connecting hole is provided at the center of the connecting seat. The size of the connecting hole is the same as the size of the drive sleeve, and the guide block is fixedly installed on the inner wall of the connecting hole.

[0006] Furthermore, the support frame includes a base plate with a clearance hole at its center. A spring is provided inside the clearance hole and is sleeved with a connecting seat. A limiting platform is fixedly connected to the side wall of the connecting seat. The two ends of the spring abut against the top surface of the valve body and the bottom surface of the limiting platform, respectively. Support plates are provided on the left and right sides of the clearance hole, and guide grooves are provided on the support plates. A connecting plate is slidably installed on each set of guide grooves, and the connecting plate is fixedly connected to the connecting seat.

[0007] Furthermore, mounting plates are fixedly installed on the top of the two sets of support plates, and a connecting groove is opened at the bottom of the mounting plate. A thrust bearing is installed in the connecting groove, and the end of the valve core is inserted into the connecting groove, with the end face of the valve core abutting against the thrust bearing.

[0008] Furthermore, connecting frames are fixedly installed at the ends of the two sets of connecting plates. The connecting frames are C-shaped structures, with reinforcing ribs at the corners and an annular seat at the top center of the connecting frames. The driven plate is fixedly installed on the annular seat.

[0009] Furthermore, the motor is positioned directly below the annular seat, the motor is fixedly mounted on the support plate, and the power output shaft of the motor extends through the annular seat to the top of the driven plate.

[0010] The beneficial effects of this utility model are that, through the design of fixing a drive sleeve at the end of the valve core, when the water distribution valve is working, the motor drives the drive disc to rotate, and the arc-shaped protrusions on the drive disc and the driven disc come into contact with each other, squeezing the driven disc downward. After the arc-shaped protrusions are misaligned, the connecting seat elastically resets, thereby causing the connecting seat to reciprocate up and down. When the connecting seat is up and down, the valve core reciprocates and rotates to complete the reversal of the water flow through the cooperation of the guide block and the spiral groove. Therefore, there is no need for motor braking to reverse the direction, which helps to reduce the vibration of the water distribution valve during operation and effectively improves the stability of the weft yarn movement. Attached Figure Description

[0011] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0013] Figure 2 This is the front view of the present invention;

[0014] Figure 3 This is a cross-sectional view of the present invention from the main viewing direction.

[0015] Figure 4 This is a schematic diagram of the structure of the connector of this utility model.

[0016] In the diagram: 1. Valve body, 2. Valve core, 3. Drive sleeve, 31. Spiral groove, 4. Connecting seat, 41. Connecting hole, 42. Guide block, 43. Limiting platform, 44. Connecting plate, 5. Support frame, 51. Base plate, 52. Clearance hole, 53. Support plate, 54. Guide groove, 6. Spring, 7. Mounting plate, 71. Connecting groove, 8. Thrust bearing, 9. Connecting frame, 91. Reinforcing rib, 92. Annular seat, 10. Motor, 11. Drive disc, 12. Driven disc, 13. Arc-shaped boss. Detailed Implementation

[0017] To more clearly illustrate the technical solution of this utility model, the following description is made in conjunction with the accompanying drawings. Obviously, the drawings described below are only one embodiment of this utility model. For those skilled in the art, other embodiments can be obtained based on these drawings and embodiments without creative effort, and all of them fall within the protection scope of this utility model.

[0018] according to Figure 1-4 As shown, a vertical water distribution valve for a water jet loom includes a valve body 1. A valve core 2 is rotatably mounted inside the valve body 1. The end of the valve core 2 extends from the top of the valve body 1 to the outside. A drive sleeve 3 is fixedly mounted on the end of the valve core 2. Several sets of spiral grooves 31 are formed on the side wall of the drive sleeve 3. A connecting seat 4 is fitted around the drive sleeve 3. A guide block 42 matching the spiral grooves 31 is welded to the side wall of the connecting seat 4 adjacent to the drive sleeve 3. The connecting seat 4 is elastically and movably mounted on a support frame 5. The valve body 1 is fixedly mounted on the top of the support frame 5 by bolts. A drive assembly is installed on the support frame 5. The drive assembly is used to drive the connecting seat 4 to rise and fall on the support frame 5. The drive assembly includes a motor 10. A drive disk 11 is fixedly mounted on the power output shaft of the motor 10. A driven disk 12 that matches the drive disk 11 is installed on the connecting seat 4. Several sets of arc-shaped bosses 13 are provided on the adjacent end faces of the driven disk 12 and the drive disk 11. The arc-shaped bosses 13 are arranged in a circumferential array on the driven disk 12 and the drive disk 11.

[0019] In this embodiment, the connecting seat 4 is a cylindrical structure, and a connecting hole 41 is provided at the center of the connecting seat 4. The size of the connecting hole 41 is the same as the size of the drive sleeve 3. The guide block 42 is fixedly installed on the inner wall of the connecting hole 41. When the connecting seat 4 is fitted onto the drive sleeve 3, the guide block 42 is engaged in the spiral groove 31. When the connecting seat 4 moves up and down, the drive sleeve 3 swings back and forth under the action of the guide block 42, thereby realizing the reciprocating rotation of the valve core 2.

[0020] In this embodiment, the support frame 5 includes a base plate 51. A clearance hole 52 is provided at the center of the base plate 51 to allow clearance for the valve core 2. A spring 6 is provided inside the clearance hole 52. The spring 6 is sleeved with the connecting seat 4. A limiting platform 43 is welded to the side wall of the connecting seat 4. The two ends of the spring 6 abut against the top surface of the valve body 1 and the bottom surface of the limiting platform 43, respectively. Support plates 53 are provided on the left and right sides of the clearance hole 52. Guide grooves 54 are provided on the support plates 53. A connecting plate 44 is slidably installed on each set of guide grooves 54. A connecting frame 9 is fixedly installed at the ends of the two sets of connecting plates 44 by bolts. The connecting frame 9 has a C-shaped structure. A reinforcing rib 91 is provided at the corner of the connecting frame 9. An annular seat 92 is provided at the top center of the connecting frame 9. The driven plate 12 is fixedly installed on the annular seat 92. On the annular seat 92, the motor 10 is located directly below the annular seat 92. The motor 10 is fixedly mounted on the support plate 53 by bolts. The power output shaft of the motor 10 extends through the annular seat 92 to the top of the driven plate 12. The connecting plate 44 is welded to the upper side wall of the connecting seat 4. With the cooperation of the connecting plate 44 and the support plate 53, the circumferential rotation of the connecting seat 4 is restricted. When the water distribution valve is working, the motor 10 drives the drive plate 11 to rotate. When the drive plate 11 is aligned with the arc-shaped boss 13 on the driven plate 12, the drive plate 11 presses the driven plate 12 downward under the action of the arc-shaped boss 13. The connecting frame 9 descends along the guide groove 54 under the action of the driven plate 12. When the drive plate 11 is misaligned with the arc-shaped boss 13 on the driven plate 12, the connecting seat 4 moves upward and resets under the action of the spring 6, thereby realizing the up-and-down reciprocating movement of the connecting seat 4.

[0021] In this embodiment, mounting plates 7 are fixedly installed on the top of the two sets of support plates 53 by bolts. The bottom of the mounting plate 7 is provided with a connecting groove 71. A thrust bearing 8 is installed in the connecting groove 71. The end of the valve core 2 is inserted into the connecting groove 71. The end face of the valve core 2 abuts against the thrust bearing 8. The mounting plate 7 axially limits the valve core 2 to prevent the valve core 2 from axially moving when the connecting seat 4 drives the valve core 2 to rotate.

[0022] In use, the motor 10 drives the drive disc 11 to rotate. During the rotation, the drive disc 11 aligns with the arc-shaped protrusion 13 on the driven disc 12. Under the action of the arc-shaped protrusion 13, the drive disc 11 presses the driven disc 12 downward, thereby causing the connecting seat 4 to descend. The drive disc 11 continues to rotate, and the arc-shaped protrusion 13 on the drive disc 11 and the driven disc 12 intersect each other. At this time, under the action of the spring 6, the connecting seat 4 moves upward to reset, thereby realizing the reciprocating lifting and lowering of the connecting seat 4. When the connecting seat 4 is lifting and lowering, the guide block 42 slides along the spiral groove 31. Since the support plate 53 restricts the circumferential rotation of the connecting seat 4, the drive sleeve 3 rotates. The valve core 2 rotates synchronously with the drive sleeve 3, thereby realizing the reciprocating rotation of the valve core 2 and completing the reversal of the water flow. Therefore, there is no need for motor braking to reverse the direction, which helps to reduce the vibration of the water distribution valve during operation and effectively improves the stability of the weft yarn movement.

[0023] The above embodiments are merely exemplary embodiments of this utility model and are not intended to limit this utility model. The scope of protection of this utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent substitutions to this utility model within its substance and scope of protection, and such modifications or equivalent substitutions should also be considered to fall within the scope of protection of this utility model.

Claims

1. A vertical water distribution valve for a water jet loom, comprising a valve body (1), wherein a valve core (2) is rotatably mounted inside the valve body (1), characterized in that: The valve core (2) extends from the top of the valve body (1) to the outside. A drive sleeve (3) is fixedly installed on the end of the valve core (2). Several sets of spiral grooves (31) are opened on the side wall of the drive sleeve (3). A connecting seat (4) is fitted around the drive sleeve (3). A guide block (42) matching the spiral groove (31) is fixedly connected to the side wall of the connecting seat (4) adjacent to the drive sleeve (3). The connecting seat (4) is elastically and movably installed on the support frame (5). The support frame (5) is fixedly installed on the top of the valve body (1). A drive assembly is installed on the support frame (5). The drive assembly is used to drive the connecting seat (4) to rise and fall on the support frame (5). The drive assembly includes a motor (10). A drive disk (11) is fixedly installed on the power output shaft of the motor (10). A driven disk (12) matching the drive disk (11) is installed on the connecting seat (4). Several sets of arc-shaped bosses (13) are provided on the adjacent end faces of the driven disk (12) and the drive disk (11). The arc-shaped bosses (13) are arranged in a circumferential array on the driven disk (12) and the drive disk (11).

2. A vertical water distribution valve for a water jet loom according to claim 1, characterized in that, The connecting seat (4) is a cylindrical structure. A connecting hole (41) is provided at the center of the connecting seat (4). The size of the connecting hole (41) is the same as the size of the drive sleeve (3). The guide block (42) is fixedly installed on the inner wall of the connecting hole (41).

3. A vertical water distribution valve for a water jet loom according to claim 1, characterized in that, The support frame (5) includes a base plate (51), a clearance hole (52) is provided at the center of the base plate (51), a spring (6) is provided inside the clearance hole (52), the spring (6) is sleeved with the connecting seat (4), a limiting platform (43) is fixedly connected to the side wall of the connecting seat (4), the two ends of the spring (6) abut against the top surface of the valve body (1) and the bottom surface of the limiting platform (43) respectively, support plates (53) are provided on the left and right sides of the clearance hole (52), a guide groove (54) is provided on the support plate (53), a connecting plate (44) is slidably installed on each set of the guide groove (54), and the connecting plate (44) is fixedly connected to the connecting seat (4).

4. A vertical water distribution valve for a water jet loom according to claim 3, characterized in that, The top of the two sets of support plates (53) are fixedly installed with mounting plates (7). The bottom of the mounting plates (7) is provided with a connecting groove (71). A thrust bearing (8) is installed in the connecting groove (71). The end of the valve core (2) is inserted into the connecting groove (71). The end face of the valve core (2) abuts against the thrust bearing (8).

5. A vertical water distribution valve for a water jet loom according to claim 4, characterized in that, A connecting frame (9) is fixedly installed at the ends of the two sets of connecting plates (44). The connecting frame (9) has a C-shaped structure. A reinforcing rib (91) is provided at the corner of the connecting frame (9). An annular seat (92) is provided at the top center of the connecting frame (9). The driven plate (12) is fixedly installed on the annular seat (92).

6. A vertical water distribution valve for a water jet loom according to claim 5, characterized in that, The motor (10) is located directly below the annular seat (92). The motor (10) is fixedly mounted on the support plate (53). The power output shaft of the motor (10) extends through the annular seat (92) to the top of the driven plate (12).

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