CN220891178U - Disc type check valve - Google Patents

Abstract

The utility model belongs to the technical field of check valves, and discloses a disc type check valve which comprises a valve body, wherein a maintenance channel is formed in the top surface of the valve body, the maintenance channel penetrates through the top surface of the valve body, a valve core component used for adjusting the flow of the check valve is arranged in the valve body, a supporting component used for installing and supporting the valve core component is fixedly arranged in the valve body and movably connected with the supporting component, the supporting component plays a supporting role for the valve core component in the valve body, the valve core component can be mutually matched with the supporting component in working, the flow of a medium flowing through the check valve is adjusted, when the valve core component is worn after long-time use and needs maintenance and replacement, the whole butterfly type check valve is not required to be disassembled, and only the valve core is required to be taken out from the maintenance channel.

Description

Disc type check valve

Technical Field

The utility model relates to the technical field of check valves, in particular to a disc type check valve.

Background

The check valve is also called a one-way valve or a check valve, and is used for preventing medium in a pipeline from flowing backwards, and the opening and closing part is automatically opened or closed by the flow and the force of the medium so as to prevent the medium from flowing backwards. The check valve belongs to automatic valves, is mainly used for a pipeline in which medium flows unidirectionally, and only allows the medium to flow in one direction so as to prevent accidents, the valve clack of the check valve is opened under the action of fluid pressure, and fluid flows from an inlet side to an outlet side. When the pressure of the inlet side is lower than that of the outlet side, the valve clack is automatically closed under the action of the factors of fluid pressure difference, self gravity and the like so as to prevent the fluid from flowing backwards.

The utility model discloses a butterfly slow-closing check valve structure as in the publication No. CN213575733U, which comprises a valve body, wherein an installation box is arranged on the outer surface of the valve body, a second chamber is arranged in the installation box, a gear is arranged in the middle of the bottom end of the second chamber, a rotating rod is arranged on the upper surface of the gear, guide rods are arranged at the two ends of each rectangular rack, a compression clamping ring is arranged at one end of the outer surface of each guide rod, and a spring is arranged between the compression clamping ring and each rectangular rack on the outer surface of each guide rod. The butterfly slow-closing type check valve structure designed by the utility model does not need to adjust the opening and closing of the disc by external force when in use, and when the water flow pressure is high and the water flow speed needs to be controlled, the tension of the spring can be adjusted by rotating the screw rod, the water flow pressure is balanced by the tension of the spring, and the opening and closing of the disc can be adjusted.

In the course of implementing the present application, this technique has been found to have the following problems: in this check valve structure, the case can not dismantle, and when the valve body installed back, the case takes place to damage when needing maintenance change, need dismantle the whole of changing the check valve, has not only reduced the maintenance efficiency of butterfly check valve, has improved the cost of maintenance of butterfly check valve moreover.

For this purpose, a disc check valve is proposed.

Disclosure of utility model

The utility model aims at: in order to solve the problem that the valve core cannot be disassembled, when the valve body is mounted, and the valve core is damaged and needs to be maintained and replaced, the whole check valve needs to be disassembled and replaced, so that the maintenance efficiency of the butterfly check valve is reduced, and the maintenance cost of the butterfly check valve is improved.

The utility model adopts the following technical scheme for realizing the purposes:

The utility model provides a dish type check valve, includes the valve body, the top surface of valve body has been seted up and has been overhauld the passageway, and the top surface that overhauls the passageway and run through the valve body, the inside of valve body is equipped with the case subassembly that is used for adjusting check valve flow size, the inside of valve body is fixed with the supporting component of installation support case subassembly, and case subassembly and supporting component swing joint.

Further, the supporting component comprises a fixed frame, a fixed plate is fixed on the surface of the fixed frame, a guide groove is formed in the surface array of the fixed plate, and a magnetic strip is arranged on the surface of the fixed frame.

Further, the valve core assembly comprises a mounting support, a driving shaft and a driven shaft are arranged in the mounting support, the top ends of the driving shaft and the driven shaft penetrate through the mounting support respectively, semilunes are fixed on the surfaces of the driving shaft and the driven shaft respectively, and the semilunes are in axisymmetric structures relative to the mounting support.

Further, the surface of meniscus is equipped with the rubber slab, the surface array of rubber slab is inlayed and is had the iron plate, and the iron plate is connected with magnetic stripe magnetism, the surface array of installing support is fixed with the gib block, and gib block and guide way sliding connection.

Further, the top ends of the driving shaft and the driven shaft are respectively fixed with a driving gear and a driven gear, the driving gear and the driven gear are meshed with each other, and the top surface of the driving gear is provided with a clamping groove.

Further, the top surface of maintenance passageway is equipped with the apron, and bolted connection between apron and the maintenance passageway, be equipped with sealed pad between apron and the maintenance passageway, sealed pad adopts rubber to thermoplastically to form.

Further, the top surface of apron is equipped with accommodate motor, accommodate motor's bottom surface is fixed with the closing plate, and closing plate and apron bolted connection, the closing plate adopts rubber to thermoplastic the formation, accommodate motor's output is fixed with the transmission shaft, and the transmission shaft runs through closing plate and apron respectively, the bottom mounting of transmission shaft has the fixture block, and the fixture block is connected with the draw-in groove block.

Further, the top surface of apron is equipped with the controller, and controller and accommodate motor electric connection, the both ends of valve body are fixed with the collar, the connecting hole has been seted up to the surface array of collar, and the connecting hole runs through the collar.

The beneficial effects of the utility model are as follows:

According to the utility model, the supporting component is fixed in the valve body, the valve core component which can be detached is arranged on the surface of the supporting component, the supporting component plays a role in supporting the valve core component in the valve body, the valve core component can be mutually matched with the supporting component when in operation, the flow of a medium flowing through the check valve is regulated, when the valve core component is worn after long-time use and needs to be maintained and replaced, the whole butterfly check valve is not required to be detached, and only the valve core is required to be taken out from the maintenance channel.

Drawings

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is an exploded view of the overall structure of the present utility model;

FIG. 3 is an exploded view of the valve cartridge assembly of the present utility model;

FIG. 4 is a block diagram of a support assembly of the present utility model;

FIG. 5 is an enlarged view of the structure of FIG. 2A;

Fig. 6 is a state diagram of the valve cartridge assembly when detached.

Reference numerals: 1. a mounting ring; 2. a valve body; 3. a cover plate; 4. a controller; 5. a service passage; 6. a connection hole; 7. a valve core assembly; 701. a driving shaft; 702. a meniscus; 703. a rubber plate; 704. a mounting bracket; 705. a driven shaft; 706. iron blocks; 707. a guide bar; 708. a drive gear; 709. a clamping groove; 710. a driven gear; 8. a support assembly; 801. a guide groove; 802. a fixing plate; 803. a magnetic stripe; 804. a fixed frame; 9. adjusting a motor; 10. a transmission shaft; 11. a sealing plate; 12. a clamping block; 13. and a sealing gasket.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 to 6, the check valve comprises a valve body 2, wherein a maintenance channel 5 is formed in the top surface of the valve body 2, the maintenance channel 5 penetrates through the top surface of the valve body 2, a valve core assembly 7 for adjusting the flow of the check valve is arranged in the valve body 2, a supporting assembly 8 for installing and supporting the valve core assembly 7 is fixed in the valve body 2, and the valve core assembly 7 is movably connected with the supporting assembly 8.

The supporting component 8 plays a supporting role for the valve core component 7 in the valve body 2, the valve core component 7 can be mutually matched with the supporting component 8 in working, the flow of media flowing through the check valve is regulated, when the valve core component 7 is worn after long-time use and needs to be maintained and replaced, the whole butterfly check valve is not required to be disassembled, and only the valve core is required to be taken out from the overhaul channel 5, so that the maintenance efficiency of the check valve is improved, and the maintenance cost of the check valve is reduced by the detachable valve core component 7.

As shown in fig. 2 and 4, the support assembly 8 includes a fixing frame 804, a fixing plate 802 is fixed on the surface of the fixing frame 804, a guide groove 801 is formed on the surface of the fixing plate 802 in an array, and a magnetic strip 803 is arranged on the surface of the fixing frame 804.

The periphery of the fixed frame 804 in the supporting component 8 is tightly connected with the inner wall of the valve body 2, and the fixed frame 804 is provided with holes corresponding to the valve core component 7, so that medium circulation in the check valve is facilitated, moreover, the surface of the fixed frame 804 and one side of the maintenance channel 5 are positioned in the same vertical horizontal plane, and the fixed plate 802 on the surface of the fixed frame 804 is arranged for installing the valve core component 7.

As shown in fig. 2, 3, 5 and 6, the valve core assembly 7 includes a mounting bracket 704, a driving shaft 701 and a driven shaft 705 are disposed in the mounting bracket 704, the top ends of the driving shaft 701 and the driven shaft 705 respectively penetrate through the mounting bracket 704, a meniscus 702 is respectively fixed on the surfaces of the driving shaft 701 and the driven shaft 705, the meniscus 702 is in an axisymmetric structure with respect to the mounting bracket 704, a rubber plate 703 is disposed on the surface of the meniscus 702, an iron block 706 is inlaid on the surface array of the rubber plate 703, the iron block 706 is magnetically connected with a magnetic stripe 803, a guide strip 707 is fixed on the surface array of the mounting bracket 704, the guide strip 707 is slidably connected with the guide groove 801, a driving gear 708 and a driven gear 710 are respectively fixed on the top ends of the driving shaft 701 and the driven shaft 705, the driving gear 708 and the driven gear 710 are meshed with each other, and a clamping groove 709 is formed in the top surface of the driving gear 708.

When the valve core assembly 7 is connected with the guide groove 801 on the surface of the fixed plate 802 through the guide strip 707 on the surface of the mounting bracket 704, the whole valve core assembly 7 can enter the valve body 2 through the overhaul channel 5, when the driving gear 708 drives the driving shaft 701 to rotate, the driven gear 710 can also drive the driven shaft 705 to rotate, the closing of the meniscus 702 is more symmetrical due to the design of the driving gear 708 and the driven gear 710, the accurate control of the medium flow rate in the check valve can be realized, when the valve core assembly 7 starts to work, when the check valve is blocked, the meniscus 702 can be attached to the fixed frame 804 through the rubber plate 703, and at the moment, the iron block 706 on the surface of the rubber plate 703 can be connected with the magnetic stripe 803 in an adsorption mode, so that the sealing performance of the circulation of the check valve is ensured.

As shown in fig. 1, fig. 2 and fig. 5, the top surface of the overhaul channel 5 is provided with a cover plate 3, and the cover plate 3 is connected with the overhaul channel 5 through bolts, a sealing gasket 13 is arranged between the cover plate 3 and the overhaul channel 5, the sealing gasket 13 is formed by thermoplastic rubber, the top surface of the cover plate 3 is provided with an adjusting motor 9, the bottom surface of the adjusting motor 9 is fixedly provided with a sealing plate 11, the sealing plate 11 is connected with the cover plate 3 through bolts, the sealing plate 11 is formed by thermoplastic rubber, the output end of the adjusting motor 9 is fixedly provided with a transmission shaft 10, the transmission shaft 10 respectively penetrates through the sealing plate 11 and the cover plate 3, the bottom end of the transmission shaft 10 is fixedly provided with a clamping block 12, the clamping block 12 is connected with a clamping groove 709 in a clamping manner, the top surface of the cover plate 3 is provided with a controller 4, the controller 4 is electrically connected with the adjusting motor 9, two ends of the valve body 2 are fixedly provided with mounting rings 1, the surface array of the mounting rings 1 is provided with connecting holes 6, and the connecting holes 6 penetrate through the mounting rings 1.

Firstly, an adjusting motor 9 is connected with a cover plate 3 through a sealing plate 11, then a clamping block 12 at the bottom end of a transmission shaft 10 at the output end of the adjusting motor 9 is in butt joint with a clamping groove 709 on a driving gear 708, so that the adjusting motor 9 can control the switch of a valve core, then the cover plate 3 is fixedly connected with an overhaul channel 5 through a bolt, the sealing plate 11 and a sealing gasket 13 have the functions of preventing medium from leaking from the cover plate 3, and a mounting ring 1 at two ends of a valve body 2 is convenient for connecting the valve body 2 with other parts.

To sum up: when the device works, the periphery of the fixed frame 804 in the supporting component 8 is tightly connected with the inner wall of the valve body 2, the fixed frame 804 is provided with a hole corresponding to the valve core component 7, so that the circulation of the medium in the check valve is facilitated, the surface of the fixed frame 804 and one side of the overhaul channel 5 are positioned in the same vertical horizontal plane, the fixed plate 802 on the surface of the fixed frame 804 is used for installing the valve core component 7, when the valve core component 7 is connected with the guide groove 801 on the surface of the fixed plate 802 through the guide strip 707 on the surface of the mounting bracket 704, the whole valve core component 7 can enter the valve body 2 through the overhaul channel 5, when the driving gear 708 drives the driving shaft 701 to rotate, the driven gear 710 also drives the driven shaft 705 to rotate, the design of the driving gear 708 and the driven gear 710 enables the closing of the meniscus 702 to be more symmetrical, the accurate control of the medium flow rate in the check valve can be realized, when the valve core assembly 7 starts to work, when the check valve is blocked, the meniscus 702 is attached to the fixed frame 804 by the rubber plate 703, at this time, the iron block 706 on the surface of the rubber plate 703 is in adsorption connection with the magnetic stripe 803, so as to ensure the circulation tightness of the check valve, the adjusting motor 9 is firstly connected with the cover plate 3 through the sealing plate 11, then the clamping block 12 at the bottom end of the transmission shaft 10 at the output end of the adjusting motor 9 is in butt joint with the clamping groove 709 on the driving gear 708, so that the adjusting motor 9 can control the switch of the valve core, then the cover plate 3 is fixedly connected with the overhaul channel 5 through the bolt, the sealing plate 11 and the sealing gasket 13 have the functions of preventing the medium from leaking from the cover plate 3, the mounting rings 1 at the two ends of the valve body 2 are convenient for connecting the valve body 2 with other parts, the supporting assembly 8 has the function of supporting the valve core assembly 7 in the valve body 2, the valve core assembly 7 can be matched with the supporting assembly 8 in operation, the flow of the medium flowing through the check valve is regulated, when the valve core assembly 7 is worn after long-time use and needs to be maintained and replaced, the whole butterfly check valve is not required to be disassembled, the valve core is only required to be taken out of the overhaul channel 5, the maintenance efficiency of the check valve is improved, and the maintenance cost of the check valve is reduced by the detachable valve core assembly 7.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. Disc check valve, comprising a valve body (2), characterized in that: the top surface of valve body (2) has been seted up and has been overhauld passageway (5), and overhauls the top surface that passageway (5) run through valve body (2), the inside of valve body (2) is equipped with case subassembly (7) that are used for adjusting check valve flow size, the inside of valve body (2) is fixed with supporting component (8) of installation support case subassembly (7), and case subassembly (7) and supporting component (8) swing joint.

2. A disc check valve according to claim 1, wherein: the support assembly (8) comprises a fixed frame (804), a fixed plate (802) is fixed on the surface of the fixed frame (804), a guide groove (801) is formed in the surface array of the fixed plate (802), and a magnetic strip (803) is arranged on the surface of the fixed frame (804).

3. A disc check valve according to claim 2, wherein: the valve core assembly (7) comprises a mounting support (704), a driving shaft (701) and a driven shaft (705) are arranged in the mounting support (704), the top ends of the driving shaft (701) and the driven shaft (705) penetrate through the mounting support (704) respectively, a meniscus (702) is fixed on the surfaces of the driving shaft (701) and the driven shaft (705) respectively, and the meniscus (702) is in an axisymmetric structure relative to the mounting support (704).

4. A disc check valve according to claim 3, wherein: the surface of meniscus (702) is equipped with rubber slab (703), the surface array of rubber slab (703) is inlayed and is had iron (706), and iron (706) and magnetic stripe (803) magnetism are connected, the surface array of installing support (704) is fixed with guide bar (707), and guide bar (707) and guide slot (801) sliding connection.

5. A disc check valve according to claim 4, wherein: the top ends of the driving shaft (701) and the driven shaft (705) are respectively fixed with a driving gear (708) and a driven gear (710), the driving gear (708) and the driven gear (710) are meshed with each other, and a clamping groove (709) is formed in the top surface of the driving gear (708).

6. A disc check valve according to claim 5, wherein: the top surface of maintenance passageway (5) is equipped with apron (3), and bolted connection between apron (3) and the maintenance passageway (5), be equipped with between apron (3) and the maintenance passageway (5) and seal up pad (13), sealed pad (13) adopt rubber to thermoplastically to form.

7. A disc check valve according to claim 6, wherein: the top surface of apron (3) is equipped with accommodate motor (9), the bottom surface of accommodate motor (9) is fixed with closing plate (11), and closing plate (11) and apron (3) bolted connection, closing plate (11) adopt rubber to thermoplastic to form, the output of accommodate motor (9) is fixed with transmission shaft (10), and transmission shaft (10) run through closing plate (11) and apron (3) respectively, the bottom mounting of transmission shaft (10) has fixture block (12), and fixture block (12) are connected with draw-in groove (709) block.

8. A disc check valve according to claim 7, wherein: the top surface of apron (3) is equipped with controller (4), and controller (4) and accommodate motor (9) electric connection, the both ends of valve body (2) are fixed with collar (1), connecting hole (6) have been seted up to the surface array of collar (1), and connecting hole (6) run through collar (1).