CN216519850U - Valve body and valve structure with same - Google Patents
Valve body and valve structure with same Download PDFInfo
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- CN216519850U CN216519850U CN202123156671.1U CN202123156671U CN216519850U CN 216519850 U CN216519850 U CN 216519850U CN 202123156671 U CN202123156671 U CN 202123156671U CN 216519850 U CN216519850 U CN 216519850U
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Abstract
The utility model provides a valve body and a valve structure with the same, wherein the valve body can be matched with a valve core which is sleeved with a sealing element to form a sealed valve structure, a reducing channel is arranged in the valve body, the reducing channel is provided with a multi-section reducing structure, the diameter of the reducing channel is gradually reduced along the direction of the valve core entering the valve body, when the valve core is matched with the valve body, the sealing element can be pressed between the reducing channel and the valve core and generates deformation, one end of the valve core can be abutted against the reducing channel, and the sealing element is further subjected to limited extrusion in the valve body. The utility model can effectively avoid the problem of service life reduction of the sealing element caused by excessive extrusion, prolong the service life of the sealing element and improve the stability of product quality.
Description
Technical Field
The utility model particularly relates to a valve body and a valve structure with the same.
Background
As shown in fig. 1 and 2, in the related art, the valve structure includes a valve core 1 and a valve body 2 (for convenience, a gap between the valve core 1 and the valve body 2 is enlarged in the figure), wherein the valve core 1 can reciprocate in the valve body 2 along an axial direction, the valve core 1 includes a core body 11, a transition portion 12 and a core head 13, the transition portion 12 is located between the core body 11 and the core head 13, the core head 13 is conical, the core body 11 and the transition portion 12 are cylindrical, a maximum diameter of the core head 13 is smaller than a diameter of the core body 11, and a sealing member 3 (mostly a rubber sealing ring) is sleeved outside the transition portion 12 to form a sealing portion of the valve structure; correspondingly, a reducing channel capable of being matched with the valve core 1 is arranged in the valve body 2, the reducing channel comprises a cylindrical core body matching section 21 and a core head matching section 22, the diameter of the core body matching section 21 is larger than that of the core head matching section 22, the core body matching section 21 can be matched with a transition part 12 and a core body 11 which are sleeved with a sealing element 3, the core head matching section 22 can be matched with the core head 13, when the valve core 1 bears pressure, the core head 13 enters the core head matching section 22 through the core body matching section 21 under the action of force, and meanwhile, the sealing element 3 is pressed at the junction of the core body 11 and the core body matching section 21 as well as the core head matching section 22, so that the valve structure is in a sealing state; the greater the pressure to which the valve core 1 is subjected, the deeper the core print 13 will be in the core print mating section 22, and the more the seal 3 will be pressed.
On this basis, since the sealing member 3 is subjected to the pressing force at every moment in the sealing state of the valve structure, and it is subjected to the pressing force hundreds of times during the use of the valve structure, the sealing member 3 is a member that is highly susceptible to breakage during the use of the valve structure, and the service life thereof is very limited.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a valve body and a valve structure having the same, which can increase the service life of a sealing member.
The utility model provides a valve body which can be matched with a valve core sleeved with a sealing element to form a sealed valve structure, wherein a reducing channel is arranged in the valve body, the reducing channel is provided with a multi-section reducing structure, the diameter of the reducing channel is gradually reduced along the direction of the valve core entering the valve body, when the valve core is matched with the valve body, the sealing element can be pressed between the reducing channel and the valve core and generates deformation, and one end of the valve core can be abutted against the reducing channel, so that the sealing element is extruded in the valve body in a limited manner.
Optionally, the variable diameter channel comprises a core body matching section, a first matching section, a second matching section and a third matching section, and the core body matching section, the first matching section, the second matching section and the third matching section are sequentially arranged in the valve body along the direction in which the valve core enters the valve body;
when the valve core is matched with the valve body, the sealing element is pressed between the valve body and the valve core at the junction of the core body matching section and the first matching section, and the valve core can be abutted against the second matching section.
Optionally, one end of the core body matching section is connected with one end of the first matching section, the other end of the first matching section is connected with one end of the second matching section, the other end of the second matching section is connected with one end of the third matching section, the core body matching section has an area with the largest inner diameter of the variable diameter channel, and the third matching section has an area with the smallest inner diameter of the variable diameter channel;
the valve core comprises a core head and a core body, the core body matching section can be matched with the core body, the first matching section and the second matching section can be connected into a shape for accommodating the core head, and the end part of the core head can partially extend into the third matching section.
Optionally, the valve element further comprises a transition portion, the transition portion is located between the core body and the core head, the sealing element is sleeved outside the transition portion, the core head is conical, the core body and the transition portion are cylindrical, and the maximum diameter of the core head is smaller than that of the core body.
Optionally, core cooperation section is cylinder type passageway, first cooperation section is cylinder type passageway, second cooperation section is the tapered passageway that the diameter shrinks gradually, and its diameter is followed the axial of reducing passageway, along with it with increase of distance between the first cooperation section and reduce, third cooperation section is cylinder type passageway.
Optionally, the core print is conical, and the diameter of the third mating segment is greater than the minimum diameter of the core print and less than the maximum diameter of the core print.
The utility model also provides a valve structure comprising a valve body as described in any one of the above.
In conclusion, the utility model has the following beneficial effects:
1. the utility model can effectively avoid the problem of service life reduction of the sealing element caused by excessive extrusion, prolong the service life of the sealing element and improve the stability of the quality of a product (valve structure).
2. The valve structure can further improve the sealing performance of the valve structure, and reduce the requirement of the valve structure on the sealing performance of the sealing element to a certain extent; more specifically, the core body matching section, the first matching section and the second matching section are connected to form a shape capable of matching with the valve core (provided with a sealing element), and when the valve core extends in place, the end part of the core head far away from the transition part extends out of the second matching section and partially extends into the third matching section. Therefore, compared with the variable diameter channel with only two sections of variable diameter structures in the valve body in the related technology, the valve structure has better sealing performance, and the sealing element in the valve structure can adopt parts with lower sealing performance requirements than those of the sealing element in the prior art, so that the manufacturing cost of the valve structure is reduced.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a cross-sectional view of a valve element and a valve body in a related art after the valve element and the valve body are engaged.
Fig. 2 is a schematic view of a valve structure in an embodiment of the present invention.
Fig. 3 is a structural sectional view of a valve body in the embodiment of the utility model.
Fig. 4 is a schematic view of the valve cartridge of the embodiment of the present invention after being inserted into the valve body (when not in place).
Fig. 5 is a schematic view of the valve cartridge of an embodiment of the present invention after it has been inserted into the valve body (when in place).
Description of the reference numerals
1-valve core, 11-core body, 12-transition part, 13-core head, 2-valve body, 21-core body matching section, 22-core head matching section, 221-first matching section, 222-second matching section, 223-third matching section and 3-sealing element.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
The terms first, second and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
As shown in fig. 2, the valve structure provided in this embodiment includes a valve core 1 and a valve body 2, and the valve core structure adopted is the same as the valve core structure in the related art, that is, includes a core body 11, a transition portion 12 and a core print 13, where the transition portion 12 is located between the core body 11 and the core print 13, the core print 13 is conical, the core body 11 and the transition portion 12 are cylindrical, the maximum diameter of the core print 13 is smaller than that of the core body 11, and a sealing member 3 (a rubber sealing ring in this embodiment) is sleeved outside the transition portion 12 to form a sealing portion of the valve structure.
Correspondingly, referring to fig. 3, the valve body 2 of the present embodiment is provided with a variable diameter channel capable of matching with the valve core 1, the variable diameter channel comprises a core body matching section 21 and a core head matching section 22, wherein the core print mating section 22 comprises a first mating section 221, a second mating section 222 and a third mating section 223, when the valve core 1 is forced to enter the valve body 2, the core body matching section 21, the first matching section 221, the second matching section 222 and the third matching section 223 are sequentially arranged in the valve body 2 along the entering direction of the valve core 1, the core head 13 of the valve core 1 sequentially passes through the core body matching section 21, the first matching section 221 and the second matching section 222 and finally enters the third matching section 223, meanwhile, the valve structure is abutted against the second matching section 222, so that the valve structure is in a sealing state, the sealing element 3 on the valve core 1 is in a deformation state, and the deformation degree of the sealing element is not increased along with the increase of the bearing pressure of the valve core 1.
Specifically, the core body matching section 21 is a cylindrical channel, which is an area with the largest diameter of the variable diameter channel in the valve body 2, at one end of the core body matching section 21, the core body matching section 21 is connected with the intersection of the first matching section 221, the first matching section 221 is a cylindrical channel, and the diameter of the first matching section 221 is smaller than that of the core body matching section 21; at the end of the first fitting section 221 away from the core fitting section 21, the first fitting section 221 is connected with the second fitting section 222 at an intersection, and the second fitting section 222 is a tapered channel with gradually shrinking diameter, which is described in more detail in that the diameter of the second fitting section 222 decreases along the axial direction of the tapered channel as the distance between the second fitting section 222 and the first fitting section 221 increases; at one end of the second matching section 222 far from the first matching section 221, the second matching section 222 is connected with a third matching section 223 at an intersection, and the third matching section 223 is a cylindrical channel, is an area with the smallest diameter in the whole diameter-variable channel, and has a diameter larger than the smallest diameter of the core head 13 and smaller than the largest diameter of the core head 13.
In the present embodiment, the core body matching section 21 can match with the core body 11 of the valve core 1, the first matching section 221 and the second matching section 222 can be connected to accommodate the shape of the core head 13, and the core body matching section 21, the first matching section 221 and the second matching section 222 can be connected to match with the shape of the valve core 1 equipped with the sealing member 3; as shown in fig. 4, when the valve core 1 enters the diameter-variable channel of the valve body 2 under pressure, the sealing member 3 will first contact with the boundary between the core body fitting section 21 and the first fitting section 221, and be clamped between the boundary and the core body 11, and at the same time, generate compression deformation under pressure, so that the valve contact is in a sealed state.
As shown in fig. 5, when the pressure applied to the valve core 1 continues to increase, the core print 13 will abut against the second matching section 222 on the side surface thereof, and then stop advancing under the blocking of the second matching section 222, so that the sealing member 3 will not be subjected to more force any more, and will generate more severe extrusion deformation; at this time, the end of the core print 13 away from the transition portion 12 will protrude beyond the second mating segment 222 and partially protrude into the third mating segment 223 to mate with the third mating segment 223.
In summary, the diameter-variable channel in the valve body 2 is set to be a multi-section diameter-variable structure, so that the diameter of the diameter-variable channel is gradually decreased, and the diameter-variable channel comprises the first matching section 221, the second matching section 222 and the third matching section 223, and the utility model has the following beneficial effects:
1. the utility model can effectively avoid the problem of service life reduction of the sealing element 3 caused by excessive extrusion, prolong the service life of the sealing element 3 and improve the stability of the quality of a product (valve structure).
2. The valve structure can further improve the sealing performance of the valve structure, and reduces the requirement of the valve structure on the sealing performance of the sealing element 3 to a certain extent; more specifically, the core body engaging section 21, the first engaging section 221 and the second engaging section 222 are connected to form a shape that can engage with the valve element 1 (with the sealing element 3 assembled), and when the valve element 1 is inserted in place, the end of the core head 13 far away from the transition portion 12 extends out of the second engaging section 222 and partially extends into the third engaging section 223, and in fact, when the fluid flows inside the valve body 2, the fluid is blocked from the third engaging section 223, and in the subsequent flowing process, the fluid needs to pass through the gap between the core head 13 and the second engaging section 222 and then through the gap between the core head 13 and the third engaging section 223, so as to be in contact with the sealing element 3. Therefore, compared with the reducing channels with only two sections of reducing structures in the valve body 2 in the related technology, the sealing element 3 in the utility model can adopt parts with lower sealing requirements than those of the sealing element 3 in the prior art, thereby reducing the manufacturing cost of the valve structure.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. The utility model provides a valve body, can cooperate with the case that the cover was equipped with the sealing member to form sealed valve structure, a serial communication port, be equipped with the reducing passageway in the valve body, the reducing passageway has multistage reducing structure, just the diameter of reducing passageway is followed the case gets into the direction of valve body is steadilyd decrease, the case with during the valve body cooperation, the sealing member can be pressed and is located the reducing passageway with between the case to produce deformation, the one end of case can with reducing passageway looks butt makes the sealing member is in receive limited extrusion in the valve body.
2. The valve body according to claim 1, wherein the variable diameter passage comprises a core body matching section, a first matching section, a second matching section and a third matching section, and the core body matching section, the first matching section, the second matching section and the third matching section are arranged in the valve body in sequence along the direction of the valve core entering the valve body;
when the valve core is matched with the valve body, the sealing element is pressed between the valve body and the valve core at the junction of the core body matching section and the first matching section, and the valve core can be abutted against the second matching section.
3. The valve body of claim 2, wherein one end of the core engagement section is coupled to one end of the first engagement section, the other end of the first engagement section is coupled to one end of the second engagement section, the other end of the second engagement section is coupled to one end of the third engagement section, the core engagement section has a region in which the inner diameter of the diameter changing passage is the largest, and the third engagement section has a region in which the inner diameter of the diameter changing passage is the smallest;
the valve core comprises a core head and a core body, the core body matching section can be matched with the core body, the first matching section and the second matching section can be connected into a shape for accommodating the core head, and the end part of the core head can partially extend into the third matching section.
4. The valve body of claim 3, wherein the valve core further comprises a transition portion, the transition portion is located between the core body and the core print, the sealing member is sleeved outside the transition portion, the core print is conical, the core body and the transition portion are cylindrical, and the maximum diameter of the core print is smaller than the diameter of the core body.
5. The valve body of claim 3, wherein the core body fitting section is a cylindrical passage, the first fitting section is a cylindrical passage, the second fitting section is a tapered passage having a gradually decreasing diameter along an axial direction of the variable diameter passage, the diameter of the second fitting section decreases as a distance from the first fitting section increases, and the third fitting section is a cylindrical passage.
6. The valve body of claim 4, wherein the core print is conical in shape and the diameter of the third mating segment is greater than the minimum diameter of the core print and less than the maximum diameter of the core print.
7. A valve structure, characterized by comprising a valve body according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123156671.1U CN216519850U (en) | 2021-12-14 | 2021-12-14 | Valve body and valve structure with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123156671.1U CN216519850U (en) | 2021-12-14 | 2021-12-14 | Valve body and valve structure with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216519850U true CN216519850U (en) | 2022-05-13 |
Family
ID=81498598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123156671.1U Active CN216519850U (en) | 2021-12-14 | 2021-12-14 | Valve body and valve structure with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216519850U (en) |
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2021
- 2021-12-14 CN CN202123156671.1U patent/CN216519850U/en active Active
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