CN219345687U - Valve with correcting and sealing functions - Google Patents

Abstract

The utility model aims to provide a valve with a correcting sealing function, which comprises a valve sleeve, wherein a correcting sealing element is arranged in the valve sleeve, a valve rod is inserted into the correcting sealing element, the correcting sealing element comprises a valve core, a one-way rib for fixing a one-way ring is arranged on the valve core, and a bracket is arranged on the one-way rib; according to the valve, the correction sealing piece is arranged in the valve body, a gap is reserved between the correction sealing piece and the valve body, the correction sealing piece is matched with the valve core seat, and a gap is reserved between the correction sealing piece and the valve core seat, so that the plane movement adjustment of the correction sealing piece is realized, the valve core is directly inserted into the valve core to realize automatic calibration by correcting the relative position of the valve core, the sealing problem is avoided, meanwhile, a valve core seat part can be deleted, an integrally formed valve sleeve is directly used for replacing the valve core, and the valve core and the plane are left with allowance for correction by the inner diameter of the plane being larger than the outer diameter of the valve core, so that the plane movement adjustment correction function is realized, the valve structure is simplified, the assembly cost is reduced, and the valve is suitable for wide application and popularization.

Description

Valve with correcting and sealing functions

Technical Field

The utility model belongs to the technical field of correction sealing in valves, and particularly relates to a valve with correction sealing function.

Background

The valve is characterized in that the valve is formed by changing the cross section of fluid to control the flow of the fluid, the valve comprises a valve sleeve, a valve body is arranged in the valve sleeve, a valve rod and a valve core are respectively arranged in the valve body, a one-way ring is arranged between the valve body and the valve core, the one-way ring is generally sleeved on the valve core, the valve rod can be inserted into the valve core to control the size of the cross section of the fluid, the valve is completed through the mutual matching of the valve sleeve, the valve body, the valve rod, the valve core and the one-way ring, the valve rod is not calibrated when the valve core is inserted, the valve rod can be obliquely inserted into the valve core, the valve cannot be completely sealed, and the flow of the fluid is controlled.

Disclosure of Invention

The utility model aims to provide a valve with a valve rod inserted into a valve core straightly through correcting the valve core, so as to solve the problem and the defect of tightness in the prior art, and the specific technical scheme is as follows: the valve with the correcting sealing function comprises a valve sleeve, wherein a correcting sealing element is arranged in the valve sleeve, a valve rod is inserted into the correcting sealing element, the correcting sealing element comprises a valve core, a one-way rib for fixing a one-way ring is arranged on the valve core, and a support is arranged on the one-way rib.

Preferably, a reinforcing rib for increasing toughness is further arranged between the unidirectional rib and the support, and the correcting sealing piece is of an integrally formed nonmetallic structure.

Preferably, a valve body is arranged in the valve sleeve, the valve body is provided with a sleeve valve, a throttling outlet for discharging fluid is arranged in the valve body, a through hole matched with a valve rod to control the flow of the fluid is also arranged in the valve body, the valve sleeve is provided with a throttling inlet for entering the fluid and is communicated with the through hole, and a correction sealing element and a valve core seat are arranged in the valve body.

Preferably, the support and the valve body are propped against each other to ensure the stability of the correction sealing element, a gap for correction is reserved between the support and the valve body, and the through hole is communicated with the valve core through the support.

Preferably, the valve core seat comprises an outer seat, an inner pipe with two ends communicated is arranged in the outer seat, an upper joint surface for being installed and connected with the valve core is arranged at one end of the inner pipe, a lower joint surface for being installed and connected with other equipment interfaces to give way is arranged at the other end of the inner pipe, and an outer seat opening for draining when the inner pipe cannot enter and exit fluid is arranged on the outer seat.

Preferably, the valve core seat is arranged at the throttle outlet, the outer seat is coupled with the inner wall of the throttle outlet, the valve core is inserted into the inner tube and contacted with the upper joint surface, a gap is reserved between the valve core and the inner tube, and the valve core is communicated with the inner tube.

Preferably, a gap for correction is reserved between the diameter of the bracket and the valve body, and the gap is formed between the diameter of the bracket and the valve body by 5-10 wires.

Preferably, the valve core and the inner tube are provided with 5-20 silk gaps for correction, and the optimal distance is 10-20 silk.

Preferably, the valve rod comprises a valve rod body, one end of the valve rod body is provided with an adjusting wheel, the other end of the valve rod body is provided with a sealing cone for gradually sealing the valve core, the valve rod body is provided with external threads, and the valve rod body is in threaded connection with the locking wheel through the external threads.

Preferably, an internal thread is arranged in the valve body, the valve rod body is screwed with the internal thread of the valve body through the external thread, the sealing cone of the valve rod body penetrates through the support to be inserted into the valve core, the valve rod body is controlled to perform lifting action through the control adjusting wheel, the sealing cone is matched to gradually reduce the flow cross section of the valve core to completely seal the valve core, otherwise, the valve core is gradually unsealed, and when the valve core is sealed, fluid cannot enter and exit the inner pipe, and can only be discharged through the outer seat.

Preferably, the valve rod body can directly penetrate through the support to be inserted into the valve core without calibration, and during the period, when the valve rod body is not inserted into the support in a straight mode, a gap reserved between the support and the valve body can adjust the relative position of the valve core in the correction sealing element, so that the valve rod body and the correction sealing element are in a straight state, and the tightness is ensured.

Preferably, the valve rod body is inserted into the valve core in a straight way after passing through the bracket, and a gap reserved between the valve core and the inner pipe can adjust the relative position of the valve core and the valve core seat in the correction sealing piece, so that the valve rod body and the correction sealing piece are in a straight state, and the tightness is ensured.

Preferably, the outer seat is provided with a plurality of outer seats which are annularly arranged to increase the discharge capacity, and the plurality of outer seats can be communicated to form an integral annular opening, and connecting ribs are arranged in the middle, so that the assembly cost is increased by avoiding a plurality of parts, the discharge capacity of fluid can be increased more, and the device is specifically arranged according to the actual use requirement.

In practical use, the valve is not provided with a valve core seat part so as to simplify the structure of the valve, specifically, the valve sleeve is provided with a pipe inlet for fluid to enter and a pipe outlet for fluid to be discharged, the valve sleeve is internally provided with a correction sealing element, and the valve sleeve is provided with a valve body for screwing the valve rod.

Preferably, a seat is integrally formed in the valve sleeve, a spacer for connecting the valve core is arranged in the seat, the spacer keeps a distance between the valve core and the valve sleeve, and the spacer is arranged at the bottom of the valve sleeve.

Preferably, a plane for contacting the valve core is arranged on the partition frame, a slope surface for guiding the valve core to contact the plane is also arranged on one side of the plane, the pipe inlet and the pipe outlet are communicated with the seat, the valve core is inserted into the seat, the valve core is contacted with the plane through the slope surface guiding, and the inner diameter of the plane is larger than the outer diameter of the valve core, so that a margin is reserved between the valve core and the plane for correction.

Preferably, if the valve rod body is inserted into the valve core in a straight way after passing through the bracket, a margin gap is reserved between the valve core and the plane to adjust the relative positions of the valve core and the valve sleeve in the correction sealing element, so that the valve rod body and the correction sealing element are in a straight state, and the tightness is ensured.

Compared with the prior art, the valve has the beneficial effects that the correction sealing piece is arranged in the valve body, a gap is reserved between the correction sealing piece and the valve body, the correction sealing piece is matched with the valve core seat, and a gap is reserved between the correction sealing piece and the valve core seat, so that the plane movement adjustment of the correction sealing piece is realized, the relative position of the valve core is corrected, the valve rod is inserted into the valve core straightly, the automatic calibration is realized, and the sealing problem is avoided.

Compared with the prior art, the valve core seat component is deleted, the valve core seat component is directly replaced by the valve sleeve formed integrally, and the valve core and the plane are left with allowance for correction by the fact that the inner diameter of the plane is larger than the outer diameter of the valve core, so that the function of plane movement adjustment and correction is realized, the valve structure is simplified, and the assembly cost is reduced.

Compared with the prior art, the valve core has the advantages that the traditional valve core is of a fixed and immovable metal structure, the correction and calibration functions cannot be realized due to the fact that the valve core is fixed, meanwhile, the metal structure is too high in cost, the valve core is made into a nonmetal structure to reduce cost, meanwhile, the valve core is integrally formed with structures such as a bracket and the like to be made into a part, so that the valve is simple to assemble and suitable for wide application and popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

Fig. 1 is a schematic diagram of the structure of the support and the valve core according to the present utility model.

Fig. 2 is a reference schematic diagram of the installation state of the valve core and the valve core seat according to the embodiment of the present utility model.

Fig. 3-5 are detailed structural and fluid flow direction reference diagrams of embodiments of the throttle valve of the present utility model.

Fig. 6-7 are detailed structural state reference schematic diagrams of the pipeline valve embodiment of the present utility model.

The figure indicates: 1. correcting the seal; 11. a bracket; 12. reinforcing ribs; 13. unidirectional ribs; 14. a valve core; 2. a valve core seat; 21. an outer seat; 22. an outer seat; 23. an upper joint surface; 24. an inner tube; 25. a lower junction; 3. a valve stem; 31. a one-way ring; 32. a valve rod body; 33. a locking wheel; 34. an adjusting wheel; 4. a throttle body; 41. a through hole; 52. a throttle outlet; 5. a valve sleeve; 51. a throttle inlet; 6. a throttle valve; 7. a pipeline valve; 8. a tube valve sleeve; 81. a tube inlet; 82. a tube outlet; 83. a tube valve body; 91. a partition frame; 92. a seat opening; 93. a plane.

Description of the embodiments

Other advantages and effects of the present disclosure will become readily apparent to those skilled in the art from the following detailed description, taken in conjunction with the accompanying drawings, illustrating embodiments of the present disclosure by way of specific embodiments. It will be apparent that the described embodiments are merely some, but not all embodiments of the present disclosure. The disclosure may be embodied or practiced in other different specific embodiments, and details within the subject specification may be modified or changed from various points of view and applications without departing from the spirit of the disclosure. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, based on the embodiments in this disclosure are intended to be within the scope of this disclosure.

It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present disclosure, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concepts of the disclosure by way of illustration, and only the components related to the disclosure are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples; however, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.

The disclosed embodiment of the utility model provides a valve with a correcting sealing function, which comprises a correcting sealing element 1, wherein the correcting sealing element 1 is arranged on a valve core seat 2, a valve rod 3 is arranged in the correcting sealing element 1, and the correcting sealing element 1 and the valve core seat 2 are fixed in a valve body, and the valve is further described with reference to the accompanying drawings.

Embodiment one: referring to fig. 1-4, referring to a throttle valve 6 with a correcting and sealing function, the throttle valve 6 comprises a throttle valve body 4, a throttle outlet 42 for discharging fluid is arranged in the throttle valve body 4, a through hole 41 for controlling the flow of the fluid by matching with a valve rod 3 is also arranged in the throttle valve body 4, a valve sleeve 5 is sleeved on the throttle valve body 4, a throttle inlet 51 for entering the fluid is arranged on the valve sleeve 5 and is communicated with the through hole 41, and a correcting sealing element 1 and a valve core seat 2 are arranged in the throttle valve body 4.

Further, the correction sealing element 1 comprises a valve core 14, a unidirectional rib 13 for fixing the umbrella-shaped unidirectional ring 31 is arranged on the valve core 14, a support 11 for propping against the throttle body 4 is arranged on the unidirectional rib 13 so as to ensure the stability of the correction sealing element 1, a reinforcing rib 12 for increasing toughness is further arranged between the unidirectional rib 13 and the support 11, the through hole 41 is communicated with the valve core 14 through the support 11, and the correction sealing element 1 is of an integrally formed nonmetallic structure.

Further, a gap for correction of 5-10 wires is reserved between the bracket 11 and the throttle body 4.

Further, the valve core seat 2 includes an outer seat 21, an inner pipe 24 with two ends communicating is provided in the outer seat 21, one end of the inner pipe 24 is provided with an upper joint surface 23 for installing and connecting with the valve core 14, and the other end of the inner pipe 24 is provided with a lower joint surface 25 for installing and connecting with other equipment interfaces to be abducted.

Further, the outer seat 21 is provided with an outer seat 22 for discharging when the inner tube 24 cannot pass in and out fluid, the principle of discharging the outer seat 22 is that the fluid enters the through hole 41 from the throttling inlet 51, the valve core 14 is sealed by the valve rod 3, so that the inner tube 24 cannot pass in and out fluid, the fluid can only pass through the bracket 11 to the unidirectional rib 13, the fluid passes through the unidirectional rib 13 and is discharged to the outer seat 22 along the unidirectional ring 31, the unidirectional ring 31 plays a role of preventing backflow, and the unidirectional rib 13 plays a role of preventing backflow to deform the unidirectional ring 31 so as to lose the backflow preventing function, thereby realizing the discharging function of the outer seat 22.

Further, the outer seat 22 is provided with a plurality of outer seats 22 which are annularly arranged to increase the discharge capacity, and the plurality of outer seats 22 can be communicated to form an integral annular opening, and connecting ribs are arranged in the middle, so that the assembly cost is increased by avoiding multiple parts, the discharge capacity of fluid can be increased more, and the device is specifically arranged according to the actual use requirement.

Further, the spool seat 2 is provided at the throttle outlet 42, and the outer seat 21 is coupled with an inner wall of the throttle outlet 42.

Further, the valve core 14 is inserted into the inner tube 24 and contacts the upper joint surface 23 with a gap being left between the valve core 14 and the inner tube 24.

Further, the valve core 14 and the inner tube 24 are provided with 5-20 wires for correction, and the optimal distance is 10-20 wires.

Further, the valve rod 3 comprises a valve rod body 32, one end of the valve rod body 32 is provided with an adjusting wheel 34, the other end of the valve rod body 32 is provided with a sealing cone 35 for gradually sealing the valve core 14, the valve rod body 32 is provided with external threads, and the valve rod body 32 is in threaded connection with the locking wheel 33 through the external threads.

Further, an internal thread is provided in the throttle body 4, the valve rod 32 is screwed with the internal thread of the throttle body 4 by an external thread, the sealing cone 35 of the valve rod 32 passes through the bracket 11 and is inserted into the valve core 14, the valve rod 32 is lifted by controlling the adjusting wheel 34, the sealing cone 35 is matched to gradually reduce the flow-through section of the valve core 14 to completely seal the valve core 14, otherwise, the valve core 14 is gradually unsealed, and when the valve core 14 is sealed, fluid cannot enter and exit the inner pipe 24, and can only be discharged through the outer seat 22.

Further, the valve rod 32 can directly pass through the bracket 11 without calibration and be inserted into the valve core 14, and during the period when the valve rod 32 is not inserted into the bracket 11 straightly, the relative position of the correcting seal element 1 can be adjusted by the gap left between the bracket 11 and the throttle body 4, so that the valve rod 32 and the correcting seal element 1 are in a straightness state, and the tightness is ensured.

Further, the valve rod 32 is inserted into the valve core 14 through the bracket 11 instead of being directly inserted into the valve core 14, and the gap between the valve core 14 and the inner tube 24 can adjust the relative positions of the correcting seal member 1 and the valve core seat 2, so that the valve rod 32 and the correcting seal member 1 are in a straight state, and the tightness is ensured.

It should be noted that the throttle inlet 51 described in this embodiment may be used for drainage and the throttle outlet 42 may be used for inflow, in which case the fluid is sealed by the one-way ring 31 when flowing to the outer seat 22, as can be appreciated with reference to fig. 5.

Embodiment two: as can be seen from fig. 6-7, the pipe valve 7 comprises a pipe sleeve 8, a pipe inlet 81 for fluid and a pipe outlet 82 for fluid are arranged in the pipe sleeve 8, and the pipe sleeve 8 is internally provided with a correcting sealing element 1.

Further, the correction sealing element 1 comprises a valve core 14, a unidirectional rib 13 for fixing the unidirectional ring 31 is arranged on the valve core 14, a support 11 for propping up and closing the pipe valve sleeve 8 is arranged on the unidirectional rib 13 so as to ensure the stability of the correction sealing element 1, a reinforcing rib 12 for increasing toughness is further arranged between the unidirectional rib 13 and the support 11, a pipe inlet 81 and a pipe outlet 82 are communicated with the valve core 14 through the support 11, and the correction sealing element 1 is of an integrally formed nonmetallic structure.

Further, a gap between the diameter of the bracket 11 and the pipe valve sleeve 8 for correction is reserved between 5 and 10 wires.

Further, a seat 92 is integrally formed in the pipe valve sleeve 8, a spacer 91 for connecting the valve core 14 is provided in the seat 92, the spacer 91 maintains a distance between the valve core 14 and the pipe valve sleeve 8, a plane 93 for contacting the valve core 14 is provided on the spacer 91, and a slope for guiding the valve core 14 to contact the plane 93 is provided on one side of the plane.

Further, the spacer 91 is disposed at the bottom of the pipe valve sleeve 8, the pipe inlet 81 and the pipe outlet 82 are communicated with the seat 92, the valve core 14 is inserted into the seat 92, the valve core 14 is contacted with the plane 93 through slope guiding, and the inner diameter of the plane 93 is larger than the outer diameter of the valve core 14, so that a margin is left between the valve core 14 and the plane 93 for correction.

Further, the valve rod 3 comprises a valve rod body 32, one end of the valve rod body 32 is provided with an adjusting wheel 34, the other end of the valve rod body 32 is provided with a sealing cone 35 for gradually sealing the valve core 14, the valve rod body 32 is provided with external threads, and the valve rod body 32 is in threaded connection with the locking wheel 33 through the external threads.

Further, a pipe valve body 83 is arranged in the pipe valve sleeve 8, an internal thread is arranged on the pipe valve body 83, the valve rod body 32 is screwed with the internal thread of the pipe valve body 83 through the external thread, the sealing cone 35 of the valve rod body 32 penetrates through the bracket 11 and is inserted into the valve core 14, the valve rod body 32 is controlled to do lifting action through controlling the adjusting wheel 34, the sealing cone 35 is matched to gradually reduce the flow cross section of the valve core 14 to completely seal the valve core 14, and otherwise, the valve is gradually unsealed.

Further, the valve rod 32 can directly pass through the bracket 11 without calibration and be inserted into the valve core 14, and during the period when the valve rod 32 is not inserted into the bracket 11 straightly, the relative position of the correcting seal element 1 can be adjusted by the gap left between the bracket 11 and the pipe valve sleeve 8, so that the valve rod 32 and the correcting seal element 1 are in a straightness state, and the tightness is ensured.

Further, the valve rod 32 is inserted into the valve core 14 after passing through the bracket 11 instead of being directly inserted into the valve core 14, and a margin gap is left between the valve core 14 and the plane 93 to adjust the relative positions of the correcting seal 1 and the pipe valve sleeve 8, so that the valve rod 32 and the correcting seal 1 are in a straight state, and the tightness is ensured.

Further, the fluid enters the pipe inlet 81, enters the valve core 14 through the seat 92, flows from the valve core 14 through the bracket 11 to the pipe outlet 82 and then is discharged, or alternatively, the fluid enters the pipe outlet 82, flows from the bracket 11 to the valve core 14, flows from the valve core 14 to the seat 92 and finally is discharged from the pipe inlet 81, when the valve core 14 is sealed, the fluid cannot enter and exit from the valve core 14, and when the valve core 14 is sealed, the fluid entering from the pipe outlet 82 can only flow to the unidirectional rib 13 through the bracket 11, flows to the seat 92 along the unidirectional ring 31 through the unidirectional rib 13 and then is discharged from the seat 92 to the pipe inlet 81, the unidirectional ring 31 has the function of preventing backflow, and the unidirectional rib 13 has the function of preventing the unidirectional ring 31 from deforming and losing the backflow preventing function, thereby realizing the drainage function of the seat 92.

In summary, the present disclosure is not limited to the specific embodiments, and any changes or substitutions that may be easily contemplated by those skilled in the art within the technical scope of the present disclosure are intended to be included in the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (8)

1. Valve with correct sealing function, including the valve pocket, the valve pocket dress is on the valve body, its characterized in that: the valve body is internally provided with a correction sealing element and a valve core seat, a gap is reserved between the correction sealing element and the valve body, a gap is reserved between the correction sealing element and the valve core seat, the correction sealing element comprises a valve core, a support is arranged on the valve core, a valve rod is inserted into the correction sealing element, a throttling outlet for discharging fluid is arranged in the valve body, a through hole matched with the valve rod to control the flow of the fluid is further arranged in the valve body, and a throttling inlet for entering the fluid is arranged on the valve sleeve and is communicated with the through hole.

2. The valve with corrective seal function of claim 1, wherein: the support and the valve body are propped against each other to ensure the stability of the correction sealing element, a gap for correction is reserved between the support and the valve body, and the through hole is communicated with the valve core through the support.

3. The valve with corrective seal function of claim 2, wherein: the valve core seat comprises an outer seat, an inner pipe with two ends communicated is arranged in the outer seat, an upper joint surface for being installed and connected with the valve core is arranged at one end of the inner pipe, a lower joint surface for being installed and connected with other equipment interfaces to give way is arranged at the other end of the inner pipe, and an outer seat opening for draining when fluid cannot enter and exit from the inner pipe is arranged on the outer seat.

4. A valve with corrective sealing function according to claim 3, characterized in that: the valve core seat is arranged at the throttle outlet, the outer seat is coupled with the inner wall of the throttle outlet, the valve core is inserted into the inner pipe and contacted with the upper joint surface, a gap is reserved between the valve core and the inner pipe, and the valve core is communicated with the inner pipe.

5. The valve with corrective seal function of claim 1, wherein: and a correction sealing element is arranged in the valve sleeve, a gap is reserved between the correction sealing element and the inner diameter of the valve sleeve, and a gap is reserved between the correction sealing element and the bottom of the valve sleeve.

6. The valve with corrective seal function of claim 5, wherein: the valve sleeve is internally provided with a pipe inlet for fluid to enter and a pipe outlet for fluid to be discharged, a seat is integrally formed in the valve sleeve, a spacer for connecting the valve core is arranged in the seat, the spacer keeps a distance between the valve core and the valve sleeve, and the spacer is arranged at the bottom of the valve sleeve.

7. The valve with corrective seal function of claim 6, wherein: the valve core is inserted into the seat, the valve core is guided by the slope to be contacted with the plane, and the inner diameter of the plane is larger than the outer diameter of the valve core, so that a margin is reserved between the valve core and the plane for correction.

8. The valve with corrective seal function of claim 1, wherein: the valve core is provided with a one-way rib for fixing the one-way ring, the one-way rib is provided with a support, a reinforcing rib for increasing toughness is further arranged between the one-way rib and the support, and the correcting sealing piece is of an integrally formed nonmetallic structure.

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