Integrated multifunctional valve

Abstract

The utility model relates to the technical field of valves, in particular to an integrated multifunctional valve which comprises a non-return device, a crank connecting rod opening and closing device and a clutch device, the non-return device comprises a valve body, a locking ring is arranged on the left side of a sealing piece, a valve element is further arranged on the sealing piece, and a non-return compression spring is arranged on the right side of a valve element seat. The crank connecting rod opening and closing device comprises a connecting rod, a crank is connected with a main spline shaft through an inner spline, the clutch device comprises a clutch shell, a shifting fork base is arranged on a clutch cover, a shifting fork is arranged on the shifting fork base, an inner conical disc is arranged below the shifting fork, an outer conical disc is arranged outside the inner conical disc, and a transmission half shaft is inserted into a needle bearing. An inner spline is arranged in an inner hole of the inner cone disc, and an outer spline is arranged on the transmission half shaft. The check valve has the functions of one-way circulation and two-way circulation, the opening and closing functions of the valve can directly intervene in the check function, the valve can be conveniently installed and used, later overhaul and maintenance are facilitated, the labor intensity of workers is reduced, and the use requirement is met.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to an integrated multifunctional valve. Background Art

[0002] A valve is a mechanical device used to control the flow of fluids (liquids, gases, aerosols, powders, etc.), usually used in piping systems. Valves can control the flow, pressure, direction and other parameters of fluids to meet the needs of industrial production, pipeline transportation, building water supply and other fields.

[0003] With the rapid development of the water supply industry, there are many types of check valves and on-off valves, and technologies are emerging in an endless stream. However, in actual use, it is inevitable that the silent check valve cannot be opened. At this time, the water supply can only be stopped for maintenance, which is time-consuming and labor-intensive, and also affects the normal water supply. The water outlet of the water supply pump is generally equipped with a check valve and an on-off valve, but in some cases where space is limited, the two valves cannot be installed together. In addition, during normal water supply, the on-off valve is usually in the open state, and when the water supply is stopped, the check valve is in a non-working state. No solution has been proposed for related technical problems. Utility Model Content

[0004] In response to the problems in the related technology, the utility model proposes an integrated multifunctional valve to overcome the above-mentioned technical problems existing in the existing related technology. The purpose of the utility model is to have unidirectional flow and bidirectional flow functions, and the valve opening and closing function can directly intervene in the check function, which is convenient for the installation and use of the valve, is conducive to the later inspection and maintenance, greatly reduces the labor intensity of workers, and meets the use requirements.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an integrated multifunctional valve, comprising a check device, a crank connecting rod opening and closing device and a clutch device, the check device comprising a valve body, an axial flow inner shell is arranged inside the valve body, a sealing member is arranged on the left side of the valve body, a locking ring is arranged on the left side of the sealing member, a valve core is also arranged on the sealing member, a valve core seat is arranged on one side of the valve core, a sealing ring 1 is arranged on the valve core seat, the valve core seat and the axial flow inner shell are slidably matched, a check compression spring is arranged on the right side of the valve core seat, and the valve core seat is connected to the crank connecting rod opening and closing device;

[0006] The crank-connecting rod opening and closing device comprises a connecting rod, the connecting rod is connected to a crank via a pin shaft 1, the crank is connected to a main spline shaft via an internal spline, an upper flange and a lower flange are provided on the valve body, a sliding bearing 1 and a sliding bearing 2 are provided inside the upper flange and the lower flange respectively, a shaft shoulder and a bearing seat are provided on the main spline shaft, a thrust ball bearing is provided on the bearing seat, a shaft end gasket is provided at the lower end of the main spline shaft, an end cover is provided on the lower flange, and a clutch device is provided on the upper flange;

[0007] The clutch device comprises a clutch housing, a clutch cover is arranged on the clutch housing, a shift fork seat is arranged on the clutch cover, a shift fork is arranged on the shift fork seat, the shift fork seat and the shift fork are connected by a pin shaft 2, an inner cone disk is arranged below the shift fork, the shift fork is arranged on the inner cone disk, an outer cone disk is arranged outside the inner cone disk, the outer cone disk is connected to the upper end of the main spline shaft through a flat key and is fixed by a fastening screw, a bearing hole is arranged on the upper end of the main spline shaft, a needle bearing is arranged inside the bearing hole, a transmission half shaft is inserted into the needle bearing, an end of the transmission half shaft away from the needle bearing cooperates with the inner cone disk, the inner hole of the inner cone disk is provided with an inner spline, and an outer spline is arranged on the transmission half shaft, a sealing ring 2 is arranged on the inner hole of the clutch cover, and a sliding bearing 3 is arranged below the sealing ring 2.

[0008] Preferably, the axial flow inner shell is connected to the valve body via reinforcing ribs.

[0009] Preferably, the sealing member and the locking ring are both fixedly mounted on the valve body by means of positioning screws.

[0010] Preferably, the thrust ball bearing is in contact with the inner plane of the upper flange of the valve body.

[0011] Preferably, the valve core is fixedly mounted on the valve core seat by bolt one, the shaft end gasket is axially limited to the main spline shaft by bolt two, and the clutch housing is connected to the upper flange of the valve body by bolt three.

[0012] Preferably, a sealing gasket 1 is arranged between the end cover and the lower flange, a sealing gasket 2 is arranged between the clutch housing and the upper flange, and a sealing gasket 3 is arranged between the clutch housing and the clutch cover.

[0013] Preferably, the inner hole of the sliding bearing three is clearance-matched with the outer circle of the flange of the inner cone disk.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model is an integrated multifunctional valve. By arranging a check device, a crank connecting rod opening and closing device and a clutch device, the valve can have both unidirectional flow and bidirectional flow functions, and the valve opening and closing function can directly intervene in the check function, integrating the check and opening and closing functions together, making it convenient for the valve to be installed and used, and beneficial for later inspection and maintenance, greatly reducing the labor intensity of workers, and meeting usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the valve body of the utility model.

[0018] In the accompanying drawings, the following are marked: 1. valve body; 2. sealing element; 3. locking ring; 4. valve core; 5. valve core seat; 6. non-return compression spring; 7. connecting rod; 8. crank; 9. main spline shaft; 10. sliding bearing one; 11. sliding bearing two; 12. thrust ball bearing; 13. clutch housing; 14. clutch cover; 15. fork seat; 16. fork; 17. inner cone disk; 18. outer cone disk; 19. needle roller bearing; 20. transmission half shaft; 21. sliding bearing three. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] Example 1

[0021] See also Figure 1-2 The utility model proposes a technical solution of an integrated multifunctional valve: an integrated multifunctional valve, including a check device, a crank connecting rod opening and closing device and a clutch device, the check device includes a valve body 1, an axial flow inner shell is arranged inside the valve body 1, a sealing member 2 is arranged on the left side of the valve body 1, a locking ring 3 is arranged on the left side of the sealing member 2, a valve core 4 is also arranged on the sealing member 2, specifically, the valve core 4 is used in conjunction with the sealing member 2; a valve core seat 5 is arranged on one side of the valve core 4, a sealing ring 1 is arranged on the valve core seat 5, the valve core seat 5 and the axial flow inner shell are slidably matched, a check compression spring 6 is arranged on the right side of the valve core seat 5, and the valve core seat 5 is connected to the crank connecting rod opening and closing device;

[0022] The crank-connecting rod opening and closing device comprises a connecting rod 7, the connecting rod 7 is connected to a crank 8 through a pin shaft 1, the crank 8 is connected to a main spline shaft 9 through an internal spline, an upper flange and a lower flange are provided on the valve body 1, and a sliding bearing 10 and a sliding bearing 2 11 are provided inside the upper flange and the lower flange, respectively. Specifically, the main spline shaft 9 cooperates with the sliding bearing 10 and the sliding bearing 2 11 to realize the rotation function; a shaft shoulder and a bearing seat are provided on the main spline shaft 9, a thrust ball bearing 12 is provided on the bearing seat, a shaft end gasket is provided at the lower end of the main spline shaft 9, an end cover is provided on the lower flange, and a clutch device is provided on the upper flange;

[0023] The clutch device includes a clutch housing 13, a clutch cover 14 is provided on the clutch housing 13, a fork seat 15 is provided on the clutch cover 14, a fork 16 is provided on the fork seat 15, the fork seat 15 and the fork 16 are connected by a pin shaft 2, an inner cone disk 17 is provided below the fork 16, the fork 16 is provided on the inner cone disk 17, an outer cone disk 18 is provided outside the inner cone disk 17, the outer cone disk 18 is connected to the upper end of the main spline shaft 9 through a flat key and fixed by a fastening screw, the upper end of the main spline shaft 9 is provided with a bearing hole, the shaft A needle bearing 19 is arranged inside the bearing hole, a transmission half shaft 20 is inserted on the needle bearing 19, one end of the transmission half shaft 20 away from the needle bearing 19 cooperates with the inner cone disk 17, the inner hole of the inner cone disk 17 is provided with an inner spline, and the transmission half shaft 20 is provided with an outer spline. Specifically, the two cooperate to achieve the sliding of the inner cone disk 17 on the transmission half shaft 20; a sealing ring 2 is arranged on the inner hole of the clutch cover 14, and a sliding bearing 3 21 is arranged below the sealing ring 2, specifically, thereby achieving the sliding of the inner cone disk 17 in the sliding bearing 3 21.

[0024] See also Figure 2 As shown, further, the axial flow inner shell is connected to the valve body 1 through reinforcing ribs.

[0025] In this embodiment, the stability of the connection between the axial flow inner shell and the valve body 1 is effectively improved by providing reinforcing ribs.

[0026] See also Figure 2 As shown, further, the sealing member 2 and the locking ring 3 are both fixedly mounted on the valve body 1 by means of positioning screws.

[0027] In this embodiment, the sealing member 2 and the locking ring 3 are respectively connected to the valve body 1 by providing positioning screws.

[0028] See also Figure 1 As shown, further, the thrust ball bearing 12 is in contact with the inner plane of the upper flange of the valve body 1 .

[0029] See also Figure 1-2As shown, further, the valve core 4 is fixedly mounted on the valve core seat 5 by bolt one, the shaft end gasket is axially limited to the main spline shaft 9 by bolt two, and the clutch housing 13 is connected to the upper flange of the valve body 1 by bolt three.

[0030] In this embodiment, installation and disassembly are facilitated.

[0031] See also Figure 1 As shown, further, a sealing gasket 1 is arranged between the end cover and the lower flange, a sealing gasket 2 is arranged between the clutch housing 13 and the upper flange, and a sealing gasket 3 is arranged between the clutch housing 13 and the clutch cover 14.

[0032] In this embodiment, the sealing performance is effectively improved.

[0033] See also Figure 1 As shown, further, the inner hole of the sliding bearing 3 21 is clearance-matched with the outer circle of the flange of the inner cone disk 17 .

[0034] The working principle of this utility model:

[0035] A manual worm gear rotating device is arranged outside the transmission half shaft 20. When the inner cone disk 17 and the outer cone disk 18 of the clutch device are separated under the action of the fork 16, the main spline shaft 9, the crank 8 and the connecting rod 7 are in a free state, and there is no constraint on the valve core. At this time, the valve is equivalent to a check valve, and under the action of the check device, it has a check effect on the circulating liquid; when the inner cone disk 17 and the outer cone disk 18 of the clutch device are combined under the action of the fork 16, the check device is connected with the crank connecting rod opening and closing device and the clutch device, and the valve core 4 is in a constrained state. The power of the external manual worm gear transmission device is transmitted to the valve core seat 5 and the valve core 4 through the transmission half shaft 20, the inner cone disk 17, the outer cone disk 19, the main spline shaft 9, the crank 8, the connecting rod 7, etc. The manual worm gear transmission device can control the opening and closing of the valve core 4, that is, the valve is equivalent to an opening and closing valve at this time.

[0036] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0037] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated multifunctional valve, characterized in that: The invention comprises a check device, a crank connecting rod opening and closing device and a clutch device, wherein the check device comprises a valve body (1), an axial flow inner shell is arranged inside the valve body (1), a sealing member (2) is arranged on the left side of the valve body (1), a locking ring (3) is arranged on the left side of the sealing member (2), a valve core (4) is also arranged on the sealing member (2), a valve core seat (5) is arranged on one side of the valve core (4), a sealing ring 1 is arranged on the valve core seat (5), the valve core seat (5) and the axial flow inner shell are slidably matched, a check pressure spring (6) is arranged on the right side of the valve core seat (5), and the valve core seat (5) is connected to the crank connecting rod opening and closing device; The crank-connecting rod opening and closing device comprises a connecting rod (7), wherein the connecting rod (7) is connected to a crank (8) via a pin shaft 1, wherein the crank (8) is connected to a main spline shaft (9) via an internal spline, wherein an upper flange and a lower flange are provided on the valve body (1), wherein a sliding bearing 1 (10) and a sliding bearing 2 (11) are provided inside the upper flange and the lower flange respectively, wherein a shaft shoulder and a bearing seat are provided on the main spline shaft (9), wherein a thrust ball bearing (12) is provided on the bearing seat, wherein a shaft end gasket is provided at the lower end of the main spline shaft (9), an end cover is provided on the lower flange, and a clutch device is provided on the upper flange; The clutch device comprises a clutch housing (13), a clutch cover (14) is arranged on the clutch housing (13), a shift fork seat (15) is arranged on the clutch cover (14), a shift fork (16) is arranged on the shift fork seat (15), the shift fork seat (15) and the shift fork (16) are connected via a second pin shaft, an inner cone disk (17) is arranged below the shift fork (16), the shift fork (16) is arranged on the inner cone disk (17), an outer cone disk (18) is arranged outside the inner cone disk (17), and the outer cone disk (18) is connected to a main spline shaft via a flat key. The main spline shaft (9) is fixed by a set screw, the upper end of the main spline shaft (9) is provided with a bearing hole, a needle bearing (19) is provided inside the bearing hole, a transmission half shaft (20) is inserted on the needle bearing (19), one end of the transmission half shaft (20) away from the needle bearing (19) is matched with the inner cone disk (17), the inner hole of the inner cone disk (17) is provided with an inner spline, the transmission half shaft (20) is provided with an outer spline, the inner hole of the clutch cover (14) is provided with a sealing ring 2, and a sliding bearing 3 (21) is provided below the sealing ring 2.

2. The integrated multifunctional valve according to claim 1, characterized in that: The axial flow inner shell is connected to the valve body (1) via reinforcing ribs.

3. The integrated multifunctional valve according to claim 1, characterized in that: The sealing member (2) and the locking ring (3) are both fixedly mounted on the valve body (1) by means of positioning screws.

4. The integrated multifunctional valve according to claim 1, characterized in that: The thrust ball bearing (12) is in contact with the inner plane of the upper flange of the valve body (1).

5. The integrated multifunctional valve according to claim 1, characterized in that: The valve core (4) is fixedly mounted on the valve core seat (5) by bolt one, the shaft end gasket is axially limited to the main spline shaft (9) by bolt two, and the clutch housing (13) is connected to the upper flange of the valve body (1) by bolt three.

6. The integrated multifunctional valve according to claim 1, characterized in that: A sealing gasket 1 is arranged between the end cover and the lower flange, a sealing gasket 2 is arranged between the clutch housing (13) and the upper flange, and a sealing gasket 3 is arranged between the clutch housing (13) and the clutch cover (14).

7. The integrated multifunctional valve according to claim 1, characterized in that: The inner hole of the sliding bearing 3 (21) is clearance-matched with the outer circle of the flange of the inner cone disk (17).

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