Locking and sealing water inlet ball valve

Abstract

The utility model discloses a locking sealing water inlet ball valve which comprises a valve body, a valve element and a box body, the valve element is installed in the valve body, the upper surface of the valve element is fixedly connected with a rotating rod, the inner wall of the rotating rod is rotatably connected with a rotating rod, the upper end of the rotating rod extends to the outside of the rotating rod, and the outside of the rotating rod is in threaded connection with an extrusion block. The inner wall of the rotating rod is slidably connected with two fixing rods, the side faces of the two fixing rods are slidably connected with the two side faces of an extrusion block correspondingly, the upper surface of the extrusion block is fixedly connected with a limiting rod, the side surface of the limiting rod is slidably connected with the inner wall of the rotating rod, and the ends, away from the extrusion block, of the two fixing rods both extend out of the rotating rod. And the inner wall of the box body is rotationally connected with a worm, one end of the worm extends out of the box body, after the valve is closed, the rotating rod can be conveniently fixed and prevented from rotating, the closing stability of the rotating rod is improved, mistaken touch of workers can be effectively prevented, and resource waste is prevented.

Description

Technical Field

[0001] This utility model relates to the field of valve technology, and in particular to a locking and sealing inlet ball valve. Background Technology

[0002] Valves are widely used in pipelines. A ball valve is a type of valve in which the valve stem drives the valve ball to rotate around the valve ball's axis. It can be used for flow regulation and control. Ball valves need to be used in conjunction with pipelines. Currently, the ball valves used are generally located at the inlet end.

[0003] When maintaining pipelines, workers may accidentally touch the valve stem, causing the valve to open and leading to resource waste. This utility model device can effectively prevent workers from accidentally touching the valve and increase the stability after closing. Utility Model Content

[0004] The purpose of this utility model is to provide a locking and sealing inlet ball valve to solve the problem of accidental valve stem activation, which can lead to valve opening and resource waste.

[0005] To achieve the above objectives, a locking and sealing inlet ball valve is provided, comprising: a valve body, a valve core, and a housing. The valve core is installed inside the valve body. A rotating rod is fixedly connected to the upper surface of the valve core. A rotating arm is rotatably connected to the inner wall of the rotating rod. The upper end of the rotating arm extends to the outside of the rotating arm. A pressing block is threadedly connected to the outside of the rotating arm. Two fixed rods are slidably connected to the inner wall of the rotating arm. The sides of the two fixed rods are slidably connected to the two sides of the pressing block, respectively. A limiting rod is fixedly connected to the upper surface of the pressing block. The side surface of the limiting rod is slidably connected to the inner wall of the rotating arm. The ends of the two fixed rods away from the pressing block extend to the outside of the rotating arm and fit against the inner wall of the housing. After the valve is closed, it is convenient to fix the rotating rod, prevent the rotating rod from rotating, and increase the stability of the rotating rod when closed.

[0006] The inner wall of the housing is rotatably connected to a worm gear, one end of which extends to the outside of the housing. A connecting cylinder is rotatably connected to the end of the worm gear extending to the outside of the housing. A connecting rod is slidably connected to the inner wall of the connecting cylinder. A mounting ring is fixedly connected to the outside of the connecting rod. A spring is fixedly connected to the inner wall of the connecting cylinder. One end of the spring is fixedly connected to the side of the mounting ring. The end of the connecting rod away from the worm gear extends to the outside of the connecting cylinder and is fixedly connected to a button plate. The end of the connecting rod away from the button plate is slidably connected to the inside of the worm gear. A marking line is fixedly connected to the side of the housing, which can effectively prevent accidental contact by personnel and prevent resource waste.

[0007] According to the aforementioned locking and sealing inlet ball valve, the two opposite sides of the extrusion block are provided with inclined surfaces, and the end of the fixing rod near the extrusion block is provided with an inclined surface, so that the extrusion block can drive the fixing rod to move.

[0008] According to the aforementioned locking and sealing inlet ball valve, a worm gear is fixedly connected to the outside of the rotating rod, and the side of the worm gear meshes with the side of the worm, which facilitates the worm to drive the worm gear to rotate, thus facilitating the valve to close and open.

[0009] According to the aforementioned locking and sealing inlet ball valve, both ends of the valve body are fixedly connected to mounting flanges, and mounting holes are provided through the sides of both mounting flanges to facilitate device installation and increase installation convenience.

[0010] According to the aforementioned locking and sealing inlet ball valve, the upper end of the rotating rod extends to the outside of the housing, and the side surface of the rotating rod is rotatably connected to the inner wall of the housing. The housing limits the rotation of the rotating rod, thereby increasing the rotational stability of the rotating rod.

[0011] According to the aforementioned locking and sealing inlet ball valve, the connecting rod is square, and the side surface of the mounting ring is slidably connected to the inner wall of the connecting cylinder. The connecting rod connects the connecting cylinder to the worm gear, making it convenient for the operator to rotate the worm gear.

[0012] According to the aforementioned locking and sealing inlet ball valve, a sealing ring is provided on the outside of the rotating rod, and the sealing ring is installed inside the valve body to increase the sealing at the connection and prevent water leakage.

[0013] The above-mentioned solution has the following beneficial effects:

[0014] When the valve needs to be closed, the connecting cylinder is rotated to align the button with the marking line, making it easier for the operator to insert the connecting rod into the worm gear. Then, pressing the button moves the connecting rod into the worm gear, facilitating the connection between the connecting cylinder and the worm gear. Through the spring and the mounting ring, the connecting rod can be automatically pushed out of the worm gear for easy disconnection. This effectively prevents accidental operation by operators and avoids resource waste.

[0015] After the valve is closed, rotating the rotating rod limits the extrusion block via the limiting rod, facilitating the downward movement of the extrusion block. The inclined surface of the extrusion block engages with the inclined surface of the fixed rod, allowing the extrusion block to push the fixed rod out, thus securing the rotating rod and increasing the stability of the rotating rod when closed.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a perspective view of a locking and sealing inlet ball valve according to the present invention;

[0019] Figure 2This is a front sectional view of a locking and sealing inlet ball valve according to the present invention;

[0020] Figure 3 This is a diagram showing the internal structure of a locking and sealing inlet ball valve connecting cylinder according to this utility model;

[0021] Figure 4 This utility model relates to a locking and sealing inlet ball valve. Figure 1 Enlarged view of point A in the middle;

[0022] Figure 5 This utility model relates to a locking and sealing inlet ball valve. Figure 2 Enlarged view of point B in the middle.

[0023] Legend:

[0024] 1. Valve body; 2. Housing; 3. Mounting flange; 4. Mounting hole; 5. Valve core; 6. Worm gear; 7. Rotating rod; 8. Worm; 9. Sealing ring; 10. Press plate; 11. Connecting cylinder; 12. Mounting ring; 13. Spring; 14. Connecting rod; 15. Rotating rod; 16. Limiting rod; 17. Pressing block; 18. Fixing rod; 19. Marking line. Detailed Implementation

[0025] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0026] Reference Figure 1-5 This utility model provides a locking and sealing inlet ball valve, comprising: a valve body 1, a valve core 5, and a housing 2. The valve core 5 is installed inside the valve body 1. A rotating rod 7 is fixedly connected to the upper surface of the valve core 5 to drive the valve core 5 to rotate. A rotating rod 15 is rotatably connected to the inner wall of the rotating rod 7 to drive the pressing block 17 to move. The upper end of the rotating rod 15 extends to the outside of the rotating rod 7. The pressing block 17 is threadedly connected to the outside of the rotating rod 15. The pressing block 17 is used to push the fixed rod 18 to move and press against the inner wall of the housing 2 to fix it. Two fixed rods 18 are slidably connected to the inner wall of the rotating rod 7. The sides of the two fixed rods 18 are slidably connected to the two sides of the pressing block 17 respectively. A limiting rod 16 is fixedly connected to the upper surface of the pressing block 17. The side surface of the limiting rod 16 is slidably connected to the inner wall of the rotating rod 7. The ends of the two fixed rods 18 away from the pressing block 17 extend to the outside of the rotating rod 7 and fit against the inner wall of the housing 2.

[0027] A worm gear 8 is rotatably connected to the inner wall of the housing 2 for transmission. One end of the worm gear 8 extends to the outside of the housing 2, and a connecting cylinder 11 is rotatably connected to the end of the worm gear 8 extending to the outside of the housing 2 to provide an installation base. A connecting rod 14 is slidably connected to the inner wall of the connecting cylinder 11. The connecting rod 14 is used to connect the worm gear 8 to the connecting cylinder 11. An installation ring 12 is fixedly connected to the outside of the connecting rod 14. A spring 13 is fixedly connected to the inner wall of the connecting cylinder 11. The spring 13 is used to push the connecting rod 14 to disengage. One end of the spring 13 is fixedly connected to the side of the installation ring 12. The end of the connecting rod 14 away from the worm gear 8 extends to the outside of the connecting cylinder 11 and is fixedly connected to the pressing plate 10. The end of the connecting rod 14 away from the pressing plate 10 is slidably connected to the inside of the worm gear 8. A marking line 19 is fixedly connected to the side of the housing 2. The marking line 19 is aligned with the center line on the pressing plate 10 to facilitate the insertion of the connecting rod 14 by the staff.

[0028] Both sides of the extrusion block 17 are provided with bevels. The end of the fixed rod 18 near the extrusion block 17 is provided with a bevel. The rotating rod 7 is externally fixedly connected to the worm gear 6 for transmission. The side of the worm gear 6 meshes with the side of the worm 8. Both ends of the valve body 1 are fixedly connected to the mounting flanges 3 for easy valve installation. The two mounting flanges 3 are provided with mounting holes 4 through their sides. The upper end of the rotating rod 7 extends to the outside of the housing 2. The side surface of the rotating rod 7 is rotatably connected to the inner wall of the housing 2. The connecting rod 14 is square to facilitate the connection between the worm 8 and the connecting cylinder 11. The side surface of the mounting ring 12 is slidably connected to the inner wall of the connecting cylinder 11. The rotating rod 7 is provided with a sealing ring 9 for sealing. The sealing ring 9 is installed inside the valve body 1.

[0029] Working principle: In use, the operator first rotates the connecting cylinder 11 to align the center line on the pressing plate 10 with the marking line 19. Then, pressing the pressing plate 10 drives the connecting rod 14 to insert into the worm gear 8, which can effectively prevent accidental contact by the operator and prevent waste of resources. Then, rotating the worm gear 8 drives the worm wheel 6 to rotate, thereby driving the valve core 5 to rotate, thus closing the valve and facilitating pipeline maintenance. Then, rotating the rotating rod 15 drives the pressing block 17 and the limiting rod 16 to move down. The inclined surface of the pressing block 17 cooperates with the inclined surface of the fixing rod 18 to drive the fixing rod 18 to extend, thereby pressing the inner wall of the housing 2 to prevent the valve core 5 from rotating and increase the stability of the valve after it is closed.

[0030] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A locking-sealing inlet ball valve, comprising: The valve body (1), valve core (5) and housing (2) are characterized in that the valve core (5) is installed inside the valve body (1), the upper surface of the valve core (5) is fixedly connected to the rotating rod (7), the inner wall of the rotating rod (7) is rotatably connected to the rotating rod (15), the upper end of the rotating rod (15) extends to the outside of the rotating rod (7), the outer side of the rotating rod (15) is threadedly connected to the extrusion block (17), the inner wall of the rotating rod (7) is slidably connected to two fixed rods (18), the sides of the two fixed rods (18) are slidably connected to the two sides of the extrusion block (17), the upper surface of the extrusion block (17) is fixedly connected to the limiting rod (16), the side surface of the limiting rod (16) is slidably connected to the inner wall of the rotating rod (7), and the ends of the two fixed rods (18) away from the extrusion block (17) extend to the outside of the rotating rod (7) and are in contact with the inner wall of the housing (2); The inner wall of the box (2) is rotatably connected to a worm gear (8). One end of the worm gear (8) extends to the outside of the box (2). The end of the worm gear (8) extending to the outside of the box (2) is rotatably connected to a connecting cylinder (11). The inner wall of the connecting cylinder (11) is slidably connected to a connecting rod (14). The outside of the connecting rod (14) is fixedly connected to an mounting ring (12). The inner wall of the connecting cylinder (11) is fixedly connected to a spring (13). One end of the spring (13) is fixedly connected to the side of the mounting ring (12). The end of the connecting rod (14) away from the worm gear (8) extends to the outside of the connecting cylinder (11) and is fixedly connected to a pressing plate (10). The end of the connecting rod (14) away from the pressing plate (10) is slidably connected to the inside of the worm gear (8). The side of the box (2) is fixedly connected to a marking line (19).

2. The locking and sealing inlet ball valve according to claim 1, characterized in that, The extrusion block (17) has inclined surfaces on both opposite sides, and the fixed rod (18) has an inclined surface at one end near the extrusion block (17).

3. A locking and sealing inlet ball valve according to claim 1, characterized in that, The rotating rod (7) is externally fixedly connected to the worm wheel (6), and the side of the worm wheel (6) meshes with the side of the worm (8).

4. A locking and sealing inlet ball valve according to claim 1, characterized in that, The valve body (1) is fixedly connected to both ends with mounting flanges (3), and mounting holes (4) are provided through the sides of both mounting flanges (3).

5. A locking and sealing inlet ball valve according to claim 1, characterized in that, The upper end of the rotating rod (7) extends to the outside of the box (2), and the side surface of the rotating rod (7) is rotatably connected to the inner wall of the box (2).

6. A locking and sealing inlet ball valve according to claim 1, characterized in that, The connecting rod (14) is square, and the side surface of the mounting ring (12) is slidably connected to the inner wall of the connecting cylinder (11).

7. A locking and sealing inlet ball valve according to claim 1, characterized in that, A sealing ring (9) is provided on the outside of the rotating rod (7), and the sealing ring (9) is installed inside the valve body (1).

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