CN219082399U - Automatic impurity-removing stop valve - Google Patents

Abstract

The utility model discloses an automatic impurity removal stop valve which comprises a valve body and a driving bevel gear, wherein the top end of the valve body is connected with a flange plate, the inner side of the flange plate is connected with a fastening bolt, and the top end of the flange plate is connected with a protective shell. The combined use between the rotating handle, the transmission shaft and the bevel gears can realize the rotation of the sealing element by utilizing the indirect transmission among the plurality of bevel gears, so as to seal the valve body, when the rotating handle rotates, the driving bevel gears connected with the output ends of the valve body can be driven to rotate along with the rotating handle, and because the driving bevel gears are in meshed connection with the first driven bevel gears, the first driven bevel gears can synchronously rotate along with the rotation of the driving bevel gears, and then the synchronous rotation of the second driven bevel gears can be realized, the second driven bevel gears can be utilized to rotate to drive the sealing element by utilizing the rotation of the second driven bevel gears, and the sealing element can be rotated by utilizing smaller force in an indirect transmission mode.

Description

Automatic impurity-removing stop valve

Technical Field

The utility model relates to the field of automatic impurity removal stop valves, in particular to an automatic impurity removal stop valve.

Background

The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so that when the valve is closed, pressure must be applied to the valve clack so as to force the sealing surface not to leak. When a medium enters the valve from the lower part of the valve clack, the resistance which needs to be overcome by the operation force is the friction force of the valve rod and the filler and the thrust generated by the pressure of the medium, and the force for closing the valve is larger than the force for opening the valve, so that the diameter of the valve rod is larger, otherwise, the valve rod is in a bending fault. The connection mode is divided into three types: flange connection, screw thread connection and welding connection. The automatic impurity-removing stop valve is a valve which is opened and closed by rotating around the central line of the valve body;

the sealing effect of the whole valve body can be further improved through the sealing rubber sleeve adhered to the inner wall of the upper valve shell, however, the existing valve body needs a rotating handle when being closed or opened, and then the rotating handle is utilized to directly drive the internal sealing structure to seal the whole valve body, and the transmission mode needs larger force to rotate the rotating handle, so that the valve body is not easy to seal when the flow speed in the valve body is higher.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the automatic impurity removal stop valve, which can solve the technical problems that the sealing effect of the whole valve body can be further improved by the sealing rubber sleeve adhered to the inner wall of the upper valve shell of the existing stop valve, the existing valve body needs a rotating handle when being closed or opened, the rotating handle is utilized to directly drive an internal sealing structure to seal the whole valve body, the rotating handle is required to be rotated by adopting a transmission mode, and the valve body is not easy to seal when the flow velocity in the valve body is high.

In order to solve the technical problems, the utility model provides the following technical scheme: including valve body and initiative conical gear, the top of valve body is connected with the ring flange, just the inboard of ring flange is connected with fastening bolt, the top of ring flange is connected with the protecting crust, just the top of protecting crust distributes has the commentaries on classics handle, the bottom of changeing the handle is connected with the transmission shaft, initiative conical gear connect in the output of transmission shaft, the bottom one side of initiative conical gear is connected with first driven conical gear, just the opposite side of first driven conical gear is connected with second driven conical gear, the bottom of second driven conical gear is connected with the universal driving shaft, just the other end of universal driving shaft is connected with the sealing member.

As a preferable technical scheme of the utility model, a turntable is sleeved on the outer surface of the linkage shaft, an annular sliding rail is arranged at the top of the turntable, a ball is connected to the inner side of the annular sliding rail, and a clamping groove is formed in the inner side wall of the protective shell.

As a preferable technical scheme of the utility model, a through cavity is formed in the inner side of the valve body, a filter screen is distributed in the inner side of the through cavity, the top end of the filter screen is connected with a guide block, a guide rod penetrates through the inner side of the guide block, a reset spring is sleeved on the outer surface of the guide rod, and a guide groove is formed in the inner side wall of one end of the valve body.

As a preferable technical scheme of the utility model, the driving bevel gear and the first driven bevel gear are in meshed connection through teeth, and the transmission shaft is vertically connected to the top of the driving bevel gear.

As a preferable technical scheme of the utility model, the linkage shaft and the second driven bevel gear are vertically arranged, and the second driven bevel gear is meshed and connected with the first driven bevel gear.

As a preferable technical scheme of the utility model, the filter screen is connected with the guide rod in a sliding way through the guide blocks, and the guide blocks are symmetrically distributed along the transverse central line of the filter screen.

Compared with the prior art, the utility model has the following beneficial effects:

1. the sealing element is rotated by utilizing the combination of the rotating handle, the transmission shaft and the bevel gears, so that the valve body is sealed, the driving bevel gears connected with the output ends of the valve body are driven to rotate along with the rotating handle when the rotating handle rotates, and the first driven bevel gears synchronously rotate along with the rotation of the driving bevel gears due to the meshed connection between the driving bevel gears and the first driven bevel gears, so that the synchronous rotation of the second driven bevel gears can be realized, the linkage shaft is driven to rotate by utilizing the rotation of the second driven bevel gears, and the sealing element is rotated by utilizing the smaller force in an indirect transmission mode;

2. utilize the combination between filter screen, the guide block, guide bar and the reset spring that set up to use, can carry out filtration treatment to the fluid of input valve body inside, thereby prevent that the inside of fluid from doping has more impurity, and then lead to the inner structure jam of valve body, influence the normal transmission of follow-up valve body inner structure, can drive the guide block of both sides installation and carry out lateral movement along the guide bar when the filter screen receives fluidic impact, the reset spring that guide block extrusion one side was connected makes its take place deformation and produce reverse effort simultaneously, combine this reverse effort can realize the transverse reciprocating motion of filter screen, and then can utilize the filter screen to filter the edulcoration treatment to fluid.

Drawings

FIG. 1 is a schematic diagram of the structure of an automatic impurity removal stop valve according to the utility model;

FIG. 2 is a schematic diagram of the internal structure of the protective shell of the automatic impurity removal stop valve;

FIG. 3 is an enlarged schematic view of the structure of the automatic impurity removal stop valve shown in FIG. 1A;

FIG. 4 is a schematic diagram of a rotary table of an automatic impurity removal stop valve according to the utility model;

wherein: 1. a valve body; 2. a flange plate; 3. a fastening bolt; 4. a protective shell; 5. a rotating handle; 6. a transmission shaft; 7. a driving bevel gear; 8. a first driven bevel gear; 9. a second driven bevel gear; 10. a linkage shaft; 11. a seal; 12. a turntable; 13. an annular slide rail; 14. a ball; 15. a clamping groove; 16. a cavity is communicated; 17. a filter screen; 18. a guide block; 19. a guide rod; 20. a return spring; 21. a guide groove.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Example 1

Referring to fig. 1, 2 and 4, the present utility model provides an automatic impurity removal stop valve, which comprises a valve body 1 and a driving conical gear 7, wherein the top end of the valve body 1 is connected with a flange 2, the inner side of the flange 2 is connected with a fastening bolt 3, the top end of the flange 2 is connected with a protecting shell 4, the top of the protecting shell 4 is distributed with a rotating handle 5, the bottom of the rotating handle 5 is connected with a transmission shaft 6, the driving conical gear 7 is connected with the output end of the transmission shaft 6, one side of the bottom of the driving conical gear 7 is connected with a first driven conical gear 8, the other side of the first driven conical gear 8 is connected with a second driven conical gear 9, the driving conical gear 7 and the first driven conical gear 8 are in meshed connection through teeth, the transmission shaft 6 is vertically connected with the top of the driving conical gear 7, the bottom end of the second driven conical gear 9 is connected with a coupling shaft 10, the other end of the coupling shaft 10 is connected with a sealing piece 11, the coupling shaft 10 and the second driven conical gear 9 are vertically arranged, the coupling shaft 10 is meshed with the first driven conical gear 8, the outer surface of the coupling shaft 10 is sleeved with a turntable 12, the top of the turntable 12 is provided with a ring-shaped slide rail 13, and the inner side wall of the ring-shaped casing 4 is provided with a slide rail 13;

as a further implementation manner of this embodiment, as shown in fig. 1, 2 and 4, when the valve body 1 needs to be sealed, the rotation of the rotating handle 5 is utilized to drive the transmission shaft 6 connected to the bottom thereof to rotate therewith, then the driving bevel gear 7 vertically installed at the bottom end of the transmission shaft 6 rotates therewith under the rotation action of the transmission shaft 6, and since the driving bevel gear 7 is meshed with the first driven bevel gear 8, the first driven bevel gear 8 synchronously rotates with the rotation of the driving bevel gear 7, and since the first driven bevel gear 8 is meshed with the second driven bevel gear 9, the second driven bevel gear 9 rotates with the rotation of the first driven bevel gear 8, thereby realizing the synchronous rotation of the linkage shaft 10, and when the linkage shaft 10 rotates, the turntable 12 connected to the outer surface thereof is driven to rotate therewith, and then the turntable 12 rotates around the ball 14, thereby improving the stability of the linkage shaft 10 in the rotation process, and then the synchronous rotation of the sealing element 11 can be realized through the rotation of the linkage shaft 10, thereby realizing the sealing element 11, and further realizing the synchronous rotation of the valve body 1, and further realizing the more indirect transmission saving of physical power.

Example 2

Referring to fig. 1 and 3, the utility model provides an automatic impurity removing stop valve, wherein a through cavity 16 is formed on the inner side of a valve body 1, a filter screen 17 is distributed on the inner side of the through cavity 16, the top end of the filter screen 17 is connected with a guide block 18, the filter screen 17 is slidably connected with a guide rod 19 through the guide block 18, the guide block 18 is symmetrically distributed along the transverse center line of the filter screen 17, the guide rod 19 penetrates through the inner side of the guide block 18, a return spring 20 is sleeved on the outer surface of the guide rod 19, and a guide groove 21 is formed on the inner side wall of one end of the valve body 1;

as a further implementation manner of this embodiment, as shown in fig. 1 and 3, when the fluid input into the valve body 1 needs to be filtered and decontaminated, the filter screen 17 will move laterally due to the impact force of the fluid, and when the filter screen 17 moves laterally, the guide blocks 18 mounted at the upper and lower ends of the filter screen will move laterally along the guide rods 19, and at the same time, the guide blocks 18 will squeeze the return springs 20 connected to one side during the lateral movement to deform and generate a reverse force, and then the guide blocks 18 can reciprocate along the guide rods 19 by using the reverse force, so as to realize the reciprocating movement of the filter screen 17, thereby utilizing the filter screen 17 to filter and decontaminate the fluid, and preventing more impurities from accumulating in the valve body 1 and causing the internal structure thereof to be blocked.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

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 above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides an automatic edulcoration stop valve, includes valve body (1) and initiative conical gear (7), its characterized in that: the top of valve body (1) is connected with ring flange (2), just the inboard of ring flange (2) is connected with fastening bolt (3), the top of ring flange (2) is connected with protecting crust (4), just the top of protecting crust (4) distributes has and changes handle (5), the bottom of changeing handle (5) is connected with transmission shaft (6), initiative conical gear (7) connect in the output of transmission shaft (6), the bottom one side of initiative conical gear (7) is connected with first driven conical gear (8), just the opposite side of first driven conical gear (8) is connected with second driven conical gear (9), the bottom of second driven conical gear (9) is connected with universal driving shaft (10), just the other end of universal driving shaft (10) is connected with sealing member (11).

2. The automatic impurity removal shutoff valve of claim 1, wherein: the outer surface cover of universal driving axle (10) is equipped with carousel (12), just annular slide rail (13) have been seted up at the top of carousel (12), the inboard of annular slide rail (13) is connected with ball (14), draw-in groove (15) have been seted up to the inside wall of protecting crust (4).

3. The automatic impurity removal shutoff valve of claim 1, wherein: the valve is characterized in that a through cavity (16) is formed in the inner side of the valve body (1), a filter screen (17) is distributed in the inner side of the through cavity (16), a guide block (18) is connected to the top end of the filter screen (17), a guide rod (19) penetrates through the inner side of the guide block (18), a reset spring (20) is sleeved on the outer surface of the guide rod (19), and a guide groove (21) is formed in the inner side wall of one end of the valve body (1).

4. The automatic impurity removal shutoff valve of claim 1, wherein: the driving bevel gear (7) and the first driven bevel gear (8) are in meshed connection through teeth, and the transmission shaft (6) is vertically connected to the top of the driving bevel gear (7).

5. The automatic impurity removal shutoff valve of claim 1, wherein: the linkage shaft (10) and the second driven bevel gears (9) are vertically arranged and distributed, and the second driven bevel gears (9) are meshed and connected with the first driven bevel gears (8).

6. The automatic impurity removal shutoff valve of claim 3, wherein: the filter screen (17) is in sliding connection with the guide rod (19) through the guide block (18), and the guide blocks (18) are symmetrically distributed along the transverse central line of the filter screen (17).

Images