Manual valve convenient to open and close

Abstract

The utility model discloses a manual valve convenient to open and close, and relates to the technical field of valves. The valve comprises a valve body, a water inlet is formed in the side face of the valve body, a water outlet is formed in the bottom of the valve body, a connecting port is formed in the top of the valve body, and a switching device is arranged in the valve body. The switching device comprises a valve element, the circumferential face of the valve element is rotationally connected to the inner wall of the valve body, a connecting groove is formed in the top of the valve element, a valve rod is fixedly connected to the inner wall of the connecting groove, a connecting block is fixedly connected to the top of the valve rod, and a handle is fixedly connected to the side face of the connecting block. The handle, the limiting block, the limiting plate and the like are matched with one another, through rotation of the handle, the valve element connected with the valve rod is made to rotate, the water inlet and the water outlet are made to be communicated, rotation of the handle is limited through the limiting plate, the handle can only conduct opening and closing movement, use by people is facilitated, and the use efficiency of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of valves, and particularly relates to a manual valve which is convenient for opening and closing. Background Art

[0002] Valves are pipe accessories used to open and close pipelines, control flow direction, and adjust and control the parameters, temperature, pressure, and flow of the conveying medium. According to their functions, they can be divided into shut-off valves, check valves, regulating valves, etc. Valves are control components in fluid conveying systems and have functions such as shutoff, regulation, flow diversion, backflow prevention, pressure stabilization, flow diversion, or overflow pressure relief.

[0003] According to a manual valve (publication number: CN 219472735U) that is easy to open and close, a valve cover is fixedly connected to the top of the valve body, a rotating rod is rotatably connected to the top of the valve cover, a mounting plate is fixedly connected to the inner wall of the valve cover, a threaded rod is rotatably connected to the middle of the mounting plate, the upper end of the threaded rod passes through the mounting plate and extends to the top of the mounting plate, and a torque adjustment mechanism is arranged inside the valve cover. Through the torque adjustment mechanism, when it is not used for a long time and becomes difficult to rotate, the control rod can be pressed so that the first gear is still meshed with the upper end of the transmission gear, and the outer wall of the small gear with a smaller number of teeth is meshed with the large gear, so that the torque when the threaded rod rotates is greater, even if the threaded rod is rusted and difficult to rotate, it can be rotated with a larger torque through the transmission of the small gear and the large gear, so that the effect of convenient opening and closing can be achieved, the first gear is still meshed with the upper end of the transmission gear, and the outer wall of the small gear with a smaller number of teeth is meshed with the large gear, and the gear will be damaged after long-term use, resulting in obstruction of the switch, and the effect is not ideal. Utility Model Content

[0004] The utility model aims to provide a manual valve which is easy to open and close, through the cooperation between the valve core, connecting groove, valve stem, connecting block, handle, limit block, limit plate, threaded rod, first gasket, hexagonal nut, bolt mouth, second gasket, bolt, bolt connection port, gasket, baffle plate, screw groove, screw connection port and screw inside the switch device, the valve core connected to the valve stem is rotated by rotating the handle, so that the water inlet and the water outlet are communicated, the position of the limit plate is fixed by bolts, and the rotation of the handle is limited by the limit plate, so that the handle can only perform switching movements, and the valve core can be replaced by disassembling the baffle plate, thereby solving the existing problems.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a manual valve that is easy to open and close, comprising a valve body, a water inlet is provided on the side of the valve body, a water outlet is provided on the bottom of the valve body, a connection port is provided on the top of the valve body, and a switch device is provided inside the valve body;

[0007] The switching device includes a valve core, a circumferential surface of the valve core is rotatably connected to the inner wall of the valve body, a connecting groove is provided on the top of the valve core, a valve stem is fixedly connected to the inner wall of the connecting groove, the circumferential surface of the valve stem is rotatably connected to the inside of the connecting port, a connecting block is fixedly connected to the top of the valve stem, and a handle is fixedly connected to the side of the connecting block.

[0008] Furthermore, the circumferential surface of the valve stem is fixedly connected to the limiting block, the side of the limiting block is rotatably connected to the limiting plate, the circumferential surface of the valve stem is rotatably connected to the inside of the limiting plate, the top of the valve stem is fixedly connected to a threaded rod, the top of the valve stem is fixedly connected to a first washer, the top of the first washer is fixedly connected to a hexagonal nut, the circumferential surface of the threaded rod is threadedly fixed to the inside of the hexagonal nut, and the circumferential surface of the threaded rod is threadedly fixed to the inside of the hexagonal nut. Such a design is conducive to fixing the handle.

[0009] Furthermore, a bolt hole is provided at the top of the limit plate, a second washer is fixedly connected to the top of the limit plate, a bolt is fixedly connected to the top of the second washer, the circumferential surface of the bolt is rotatably connected to the inside of the bolt hole, a bolt connection hole is provided at the top of the valve body, and the circumferential surface of the bolt is threadedly fixed to the inside of the bolt connection hole. This design is conducive to fixing the limit plate and limiting the movement range of the handle.

[0010] Furthermore, a gasket is fixedly connected to the side of the valve body, a baffle is fixedly connected to the side of the gasket, a screw groove is opened on the side of the baffle, a screw connection port is opened on the side of the valve body, a screw is rotatably connected to the inside of the screw groove, and the circumferential surface of the screw is threadedly fixed inside the screw connection port, the bolt port, the second gasket, the bolts and the bolt connection port are set to four in number and arranged in a circular array along the vertical center axis of the valve stem, the screw groove, the screw connection port and the screws are set to four in number and arranged in a circular array along the vertical center axis of the water inlet, the valve core will be damaged during long-term use, the baffle is fixedly connected to the side of the gasket, and such a design is conducive to replacing the valve core by disassembling the baffle.

[0011] Furthermore, a clearing device is provided inside the valve body, and the clearing device includes a spring plate, a rotating shaft groove is provided on the top of the spring plate, a rotating shaft is rotatably connected inside the rotating shaft groove, a spring plate groove is provided inside the valve body, and the side of the spring plate is rotatably connected inside the spring plate groove, a sliding groove is provided inside the valve body, a sliding block is slidably connected inside the sliding groove, a clearing rod is fixed to the bottom of the sliding block, and a clearing rod is fixed to the bottom of the sliding block. Such a design is conducive to clearing blockages in the water inlet during long-term use.

[0012] Furthermore, a first spring hole is opened on the inner wall of the spring plate groove, a first spring is fixedly connected to the inner wall of the first spring hole, and one end of the first spring is fixedly connected to the side of the spring plate. Such a design is conducive to resetting the spring plate through the spring.

[0013] Furthermore, a second spring hole is opened on the inner wall of the slide groove, a second spring is fixedly connected to the inner wall of the second spring hole, one end of the second spring is fixedly connected to the side of the slider, and the slider is located on the movement trajectory of the spring plate. Such a design is conducive to the repeated movement of the slider and the spring plate in the switch through the spring.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model cooperates with each other among the valve core, connecting groove, valve stem, connecting block, handle, limit block, limit plate, threaded rod, first washer, hexagonal nut, bolt mouth, second washer, bolt, bolt connection port, gasket, baffle plate, screw groove, screw connection port and screw inside the switch device. The valve core connected to the valve stem is rotated by rotating the handle to communicate with the water inlet and the water outlet. The position of the limit plate is fixed by bolts, and the rotation of the handle is restricted by the limit plate so that the handle can only perform switching movements. The valve core can be replaced by disassembling the baffle plate.

[0016] 2. The utility model makes the valve stem collide with the spring plate through the mutual cooperation among the spring plate, the shaft groove, the shaft, the spring plate groove, the slide groove, the slider, the dredging rod, the first spring hole, the first spring, the second spring hole and the second spring inside the dredging device, and the spring plate hits the slide groove through the rotation of the handle. The bottom of the slide groove is connected to the dredging rod, and the second spring is arranged in the slide groove. When the handle moves again, the spring resets the slide groove, and the dredging rod achieves the dredging effect.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a structural schematic diagram of the three-dimensional appearance of the utility model;

[0020] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the utility model;

[0021] Figure 3 It is a structural schematic diagram of a three-dimensional cross-sectional display diagram of the dredging device of the utility model;

[0022] Figure 4 For this utility model Figure 2 Schematic diagram of the three-dimensional enlarged structure of A in the middle;

[0023] Figure 5 For this utility model Figure 3 Schematic diagram of the three-dimensional enlarged structure of B.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Valve body; 2. Water inlet; 3. Water outlet; 4. Connecting port; 5. Switch device; 51. Valve core; 52. Connecting groove; 53. Valve stem; 54. Connecting block; 55. Handle; 56. Limit block; 57. Limit plate; 58. Threaded rod; 59. First washer; 510. Hexagonal nut; 511. Bolt mouth; 512. Second washer; 513. Bolt; 514. Bolt connecting port; 515. Gasket; 516. Baffle; 517. Screw groove; 518. Screw connecting port; 519. Screw; 6. Clearing device; 61. Spring plate; 62. Rotating shaft groove; 63. Rotating shaft; 64. Spring plate groove; 65. Slide groove; 66. Slider; 67. Clearing rod; 68. First spring hole; 69. First spring; 610. Second spring hole; 611. Second spring. DETAILED DESCRIPTION

[0026] 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 of 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.

[0027] See also Figure 1-5The utility model is a manual valve which is easy to open and close, comprising a valve body 1, a water inlet 2 is provided on the side of the valve body 1, a water outlet 3 is provided on the bottom of the valve body 1, a connecting port 4 is provided on the top of the valve body 1, a switch device 5 is arranged inside the valve body 1, and the switch device 5 comprises a valve core 51, a circumferential surface of the valve core 51 is rotatably connected to the inner wall of the valve body 1, a connecting groove 52 is provided on the top of the valve core 51, a valve stem 53 is fixedly connected to the inner wall of the connecting groove 52, a circumferential surface of the valve stem 53 is rotatably connected to the inside of the connecting port 4, a connecting block 54 is fixedly connected to the top of the valve stem 53, and a handle 55 is fixedly connected to the side of the connecting block 54.

[0028] The circumferential surface of the valve stem 53 is fixedly connected to the limiting block 56, and the side of the limiting block 56 is rotatably connected to the limiting plate 57. The circumferential surface of the valve stem 53 is rotatably connected to the inside of the limiting plate 57. The top of the valve stem 53 is fixedly connected to a threaded rod 58, and the top of the valve stem 53 is fixedly connected to a first washer 59, and the top of the first washer 59 is fixedly connected to a hexagonal nut 510. The circumferential surface of the threaded rod 58 is threadedly fixed to the inside of the hexagonal nut 510. The circumferential surface of the threaded rod 58 is threadedly fixed to the inside of the hexagonal nut 510. This design is conducive to the fixation of the handle 55.

[0029] A bolt opening 511 is provided at the top of the limiting plate 57, a second gasket 512 is fixedly connected to the top of the limiting plate 57, a bolt 513 is fixedly connected to the top of the second gasket 512, the circumferential surface of the bolt 513 is rotatably connected to the inside of the bolt opening 511, a bolt connection opening 514 is provided at the top of the valve body 1, the circumferential surface of the bolt 513 is threadedly fixed to the inside of the bolt connection opening 514, the circumferential surface of the bolt 513 is threadedly fixed to the inside of the bolt connection opening 514, this design is conducive to fixing the limiting plate 57 and limiting the movement range of the handle 55.

[0030] A gasket 515 is fixedly connected to the side of the valve body 1, and a baffle 516 is fixedly connected to the side of the gasket 515. A screw groove 517 is provided on the side of the baffle 516. A screw connection port 518 is provided on the side of the valve body 1. A screw 519 is rotatably connected to the inside of the screw groove 517. The circumferential surface of the screw 519 is threadedly fixed inside the screw connection port 518. The number of the bolt port 511, the second gasket 512, the bolt 513 and the bolt connection port 514 is set to four, and is arranged in a circular array along the vertical center axis of the valve stem 53. The number of the screw groove 517, the screw connection port 518 and the screw 519 is set to four, and is arranged in a circular array along the vertical center axis of the water inlet 2. During long-term use, the valve core 51 will be damaged. The baffle 516 is fixedly connected to the side of the gasket 515. This design is conducive to replacing the valve core 51 by disassembling the baffle 516.

[0031] A dredging device 6 is arranged inside the valve body 1, and the dredging device 6 includes a spring plate 61, a rotating shaft groove 62 is provided on the top of the spring plate 61, and a rotating shaft 63 is rotatably connected inside the rotating shaft groove 62, a spring plate groove 64 is provided inside the valve body 1, and the side of the spring plate 61 is rotatably connected inside the spring plate groove 64, a slide groove 65 is provided inside the valve body 1, and a slider 66 is slidably connected inside the slide groove 65, a dredging rod 67 is fixed to the bottom of the slider 66, and a dredging rod 67 is fixed to the bottom of the slider 66. This design is conducive to clearing the blockage in the water inlet 2 during long-term use.

[0032] A first spring hole 68 is formed on the inner wall of the spring plate groove 64 , a first spring 69 is fixedly connected to the inner wall of the first spring hole 68 , and one end of the first spring 69 is fixedly connected to the side of the spring plate 61 . This design is conducive to resetting the spring plate 61 through the spring.

[0033] A second spring hole 610 is formed on the inner wall of the slide groove 65, and a second spring 611 is fixedly connected to the inner wall of the second spring hole 610. One end of the second spring 611 is fixedly connected to the side of the slider 66. The slider 66 is located on the movement trajectory of the spring plate 61. This design is conducive to the repeated movement of the slider 66 and the spring plate 61 in the switch through the spring.

[0034] A specific application of this embodiment is: when a switch is required, the handle 55 in the switch device 5 rotates clockwise, and the handle 55 drives the valve core 51 to move through the valve stem 53, so that the water inlet 2 is connected to the water outlet 3, and the handle 55 is fixed to the connecting block 54 by the hexagonal nut 510, and the limit plate 57 is fixed by the bolt 513. The limit plate 57 allows the handle 55 to only perform a switch movement through the limit block 56. When the valve core 51 needs to be replaced, the baffle 516 fixed to the valve body 1 by the screw 519 is removed. When closing is required, the handle 55 rotates counterclockwise and collides with the limit plate 57, and the water inlet 2 is disconnected from the water outlet 3.

[0035] When unblocking is required, the spring plate 61 in the unblocking device 6 is hit by the valve stem 53, and the handle 55 is opened clockwise, causing the spring plate 61 to hit the slider 66. The bottom of the slider 66 is fixedly connected with a unblocking rod 67, and the interior of the slide groove 65 is provided with a second spring hole 610. The inner wall of the second spring hole 610 is fixedly connected with a second spring 611, and one end of the second spring 611 is fixedly connected to the side of the slider 66. When the handle 55 is closed counterclockwise, the slider 66 is reset, so that the unblocking rod 67 can achieve the unblocking effect.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A manual valve that is easy to open and close, comprising a valve body (1), characterized in that: A water inlet (2) is provided on the side of the valve body (1), a water outlet (3) is provided on the bottom of the valve body (1), a connecting port (4) is provided on the top of the valve body (1), and a switch device (5) is provided inside the valve body (1); The switch device (5) comprises a valve core (51), the circumferential surface of the valve core (51) is rotatably connected to the inner wall of the valve body (1), a connecting groove (52) is provided at the top of the valve core (51), a valve stem (53) is fixedly connected to the inner wall of the connecting groove (52), the circumferential surface of the valve stem (53) is rotatably connected to the inside of the connecting port (4), the top of the valve stem (53) is fixedly connected to a connecting block (54), and the side of the connecting block (54) is fixedly connected to a handle (55).

2. A manual valve that is easy to open and close according to claim 1, characterized in that: The circumferential surface of the valve stem (53) is fixedly connected to a limiting block (56), the side of the limiting block (56) is rotatably connected to a limiting plate (57), the circumferential surface of the valve stem (53) is rotatably connected to the inside of the limiting plate (57), the top of the valve stem (53) is fixedly connected to a threaded rod (58), the top of the valve stem (53) is fixedly connected to a first washer (59), the top of the first washer (59) is fixedly connected to a hexagonal nut (510), and the circumferential surface of the threaded rod (58) is threadedly fixed to the inside of the hexagonal nut (510).

3. A manual valve that is easy to open and close according to claim 2, characterized in that: A bolt opening (511) is provided at the top of the limiting plate (57), a second gasket (512) is fixedly connected to the top of the limiting plate (57), a bolt (513) is fixedly connected to the top of the second gasket (512), the circumferential surface of the bolt (513) is rotatably connected to the inside of the bolt opening (511), and a bolt connection opening (514) is provided at the top of the valve body (1), and the circumferential surface of the bolt (513) is threadedly fixed to the inside of the bolt connection opening (514).

4. A manual valve that is easy to open and close according to claim 3, characterized in that: A gasket (515) is fixedly connected to the side of the valve body (1), a baffle (516) is fixedly connected to the side of the gasket (515), a screw groove (517) is provided on the side of the baffle (516), a screw connection port (518) is provided on the side of the valve body (1), a screw (519) is rotatably connected inside the screw groove (517), the circumferential surface of the screw (519) is threadedly fixed inside the screw connection port (518), the number of the bolt port (511), the second gasket (512), the bolt (513) and the bolt connection port (514) is set to four, and they are arranged in a circular array along the vertical center axis of the valve stem (53), and the number of the screw groove (517), the screw connection port (518) and the screw (519) is set to four, and they are arranged in a circular array along the vertical center axis of the water inlet (2).

5. A manual valve that is easy to open and close according to claim 4, characterized in that: The valve body (1) is provided with a dredging device (6) inside, and the dredging device (6) includes a spring plate (61), a rotating shaft groove (62) is provided on the top of the spring plate (61), and a rotating shaft (63) is rotatably connected inside the rotating shaft groove (62), a spring plate groove (64) is provided inside the valve body (1), and the side of the spring plate (61) is rotatably connected inside the spring plate groove (64), a sliding groove (65) is provided inside the valve body (1), and a sliding block (66) is slidably connected inside the sliding groove (65), and a dredging rod (67) is fixed to the bottom of the sliding block (66).

6. A manual valve that is easy to open and close according to claim 5, characterized in that: The inner wall of the spring plate groove (64) is provided with a first spring hole (68), the inner wall of the first spring hole (68) is fixedly connected with a first spring (69), and one end of the first spring (69) is fixedly connected to the side surface of the spring plate (61).

7. A manual valve that is easy to open and close according to claim 6, characterized in that: A second spring hole (610) is formed on the inner wall of the slide groove (65), a second spring (611) is fixedly connected to the inner wall of the second spring hole (610), one end of the second spring (611) is fixedly connected to the side of the slider (66), and the slider (66) is located on the movement track of the spring plate (61).

Images