Valve element and valve

Abstract

The utility model relates to the technical field of control elements, in particular to a valve core and a valve, the valve core comprises a first moving part, a second moving part and a sealing part, the first moving part and the second moving part are detachably connected, and the first moving part and / or the second moving part are / is provided with an installation part; the sealing piece is provided with a first end and a second end which are oppositely arranged, and a mounting hole penetrating through the first end and the second end is formed in the sealing piece; moreover, the mounting part is arranged in the mounting hole in a penetrating manner, and is in surface connection fit with the mounting hole, so that the sealing piece is hermetically connected with the mounting part, and the sealing piece is at least detachably matched with one of the first movable piece and the second movable piece; in conclusion, according to the valve element, after the sealing piece is abraded to a certain degree, the normal function of the valve can be restored in the mode that the sealing piece is independently replaced, and therefore the maintenance cost of the valve is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to control element technical field, especially valve core and valve. BACKGROUND

[0002] Valve is a kind of element for controlling medium flow, in part valve, when valve core moves to specific position, sealing glue of valve core is butted on valve body, to block specific two passages on valve body, so that medium cannot flow between the two passages, wherein, whenever sealing glue is butted on valve body, sealing glue is caused to wear, after long-term, multiple use of the valve, sealing glue is worn to failure, leading to inaccuracy of valve control medium flow or unable to control medium flow, further, because sealing glue is connected on valve stem of valve core by encapsulation process, after sealing glue is worn to failure, sealing glue cannot be replaced alone, needs to restore normal function of valve by the way of replacing entire valve core, so that the maintenance cost of the valve is higher. SUMMARY

[0003] The utility model aims at providing a kind of valve core and valve, to solve the sealing glue wear of valve core to failure, only by the way of replacing entire valve core to restore normal function of valve, leading to the technical problem of higher maintenance cost of valve.

[0004] To achieve the above object, the utility model provides a kind of valve core, comprising: first moving part, second moving part and sealing member;

[0005] First moving part and second moving part are detachably connected, and the first moving part and / or the second moving part is provided with mounting portion;

[0006] The sealing member has oppositely arranged first end and second end, and the sealing member is provided with mounting hole penetrating the first end and the second end;And, the mounting portion is arranged in the mounting hole, and forms face connection cooperation with the mounting hole, so that the sealing member is sealedly connected with the mounting portion, and the sealing member is at least detachably connected with one of the first moving part and the second moving part.

[0007] Optionally, the first moving part is provided with first shoulder, and the first shoulder is located on the side of the first end away from the second end, to limit the movement of the sealing member towards the second end to the first end direction;

[0008] And / or, the second moving part is provided with second shoulder, and the second shoulder is located on the side of the second end away from the first end, to limit the movement of the sealing member towards the first end to the second end direction.

[0009] Optionally, the first moving member is provided with a first shoulder, the second moving member is provided with a second shoulder, the first shoulder is arranged around the mounting hole, the first shoulder is connected to the first end, the first shoulder and the sealing member form a sealing fit, the second shoulder is arranged around the mounting hole, and the second shoulder is connected to the second end, so that the second shoulder and the sealing member form a sealing fit.

[0010] Optionally, the first end of the sealing member is provided with a first groove, the first groove is arranged on the end face of the first end, the opening of the first groove is directed from the second end to the first end, the first moving member is provided with a first block matched with the first groove, and the first block extends into the first groove.

[0011] And / or, the second end of the sealing member is provided with a second groove, the second groove is arranged on the end face of the second end, the opening of the second groove is directed from the first end to the second end, the second moving member is provided with a second block matched with the second groove, and the second block extends into the second groove.

[0012] Optionally, the first end of the sealing member is provided with a first groove, and the first moving member is provided with a first block, the first groove is arranged around the mounting hole and forms a sealing fit with the first block.

[0013] And / or, the second end of the sealing member is provided with a second groove, and the second moving member is provided with a second block, the second groove is arranged around the mounting hole and forms a sealing fit with the second block.

[0014] Optionally, the first end of the sealing member is provided with a first groove, and the first moving member is provided with a first block, the first groove is arranged around the mounting hole and forms a sealing fit with the first block.

[0015] And / or, the second end of the sealing member is provided with a second groove, and the second moving member is provided with a second block, the second groove is arranged around the mounting hole and forms a sealing fit with the second block.

[0016] Optionally, the first moving member is provided with a first shoulder, the first end of the sealing member is provided with a first groove, the first moving member is provided with a first block, the second moving member is provided with a second shoulder, the second end of the sealing member is provided with a second groove, and the second moving member is provided with a second block, the first block is connected to the groove bottom of the first groove, the first shoulder is connected to the first end of the sealing member, and a sealing fit is formed, the second block is connected to the groove bottom of the second groove, the second shoulder is connected to the second end of the sealing member, and a sealing fit is formed.

[0017] Or, in the case that the second moving element is provided with a second stop shoulder, the first moving element is provided with a first stop block, and the sealing element is provided with a first stop groove, the first stop block is connected to the groove bottom of the first stop groove, and the first stop shoulder is connected to the first end of the sealing element to form a sealing fit.

[0018] Or, in the case that the first moving element is provided with a first stop shoulder, the second moving element is provided with a second stop block, and the sealing element is provided with a second stop groove, the second stop block is connected to the groove bottom of the second stop groove, and the second stop shoulder is connected to the second end of the sealing element to form a sealing fit.

[0019] Optionally, one of the first moving element and the second moving element is provided with a connecting portion, and the other of the first moving element and the second moving element is provided with a connecting hole, the connecting portion is detachably connected to the connecting hole, and the first moving element and the second moving element are detachably connected.

[0020] Optionally, the connecting hole is sequentially provided with a first hole section and a second hole section along an axial direction thereof, and an end portion of the second hole section away from the first hole section forms a hole opening of the connecting hole, and an outer side wall of the connecting portion is sequentially provided with a first connecting section and a second connecting section along the axial direction of the connecting hole, the first connecting section is detachably connected to the first hole section, the first moving element and the second moving element are detachably connected, and an outer side wall of the second connecting section is connected to a hole wall of the second hole section in a fitting manner to improve concentricity of the first moving element and the second moving element.

[0021] Optionally, a first guide portion is arranged between the first connecting section and the second connecting section, and an outer diameter of the first guide portion gradually decreases in a direction from the second connecting section to the first connecting section.

[0022] And / or, the hole opening of the connecting hole is provided with a second guide portion, and an inner diameter of the second guide portion gradually decreases in a direction from outside of the connecting hole to inside of the connecting hole.

[0023] Optionally, the mounting portion and the connecting portion are arranged on one of the first moving element and the second moving element.

[0024] Optionally, the connecting portion is arranged on an outer circumferential side of the mounting portion; or, the connecting portion and the mounting portion are coaxially arranged.

[0025] The application also relates to a valve, which comprises a valve body and the valve core.

[0026] Optionally, the valve body is provided with a containing channel, a first flow channel and a second flow channel in communication, the containing channel has a first position and a second position, the valve core reciprocates between the first position and the second position, and the sealing area is arranged at the joint of the first flow channel and the containing channel, the inside of the first flow channel or the inside of the containing channel;

[0027] When the valve core moves to the first position, the sealing member forms a sealing fit with the sealing area to block the communication between the first flow channel and the second flow channel;

[0028] When the valve core moves to the second position, the sealing member is separated from the sealing area to make the first flow channel communicate with the second flow channel.

[0029] The application also relates to a manufacturing method of the valve core, comprising the following steps:

[0030] Selecting the sealing member, the first moving member and the second moving member;

[0031] Piercing the mounting portion into the sealing member to make the sealing member form a sealing fit with the mounting portion;

[0032] Connecting the first moving member and the second moving member to make the first moving member, the second moving member and the sealing member form the valve core.

[0033] Compared with the prior art, the valve core and the valve have the beneficial effects that:

[0034] (1) In the valve core, the mounting portion is pierced into the mounting hole to make the sealing member be installed on the mounting portion and be sealingly connected with the sealing member, the mounting hole is tightly sleeved on the mounting portion to limit the sealing member from moving on the mounting portion at will, and the first resealing is formed between the sealing member and the mounting portion to prevent the medium from flowing between the mounting portion and the mounting hole.

[0035] In addition, the first moving element and the second moving element are detachably connected, and the sealing element is detachably matched with at least one of the first moving element and the second moving element, so that the first moving element, the second moving element and the sealing element are all independent detachable components, a worker can assemble the valve core by firstly installing the sealing element on the mounting portion and then connecting the first moving element to the second moving element, can disassemble the valve core by detaching the first moving element and the second moving element and then detaching the sealing element installed on the mounting portion, can replace the sealing element in the valve core by detaching the first moving element and the second moving element, then detaching the old sealing element installed on the mounting portion, then installing a new sealing element on the mounting portion and finally connecting the first moving element to the second moving element, so that the normal function of the valve can be restored by replacing the sealing element alone after the sealing element is worn to a certain extent, and the maintenance cost of the valve equipped with the valve core is low.

[0036] (2) The valve core can further be provided with a shoulder on the moving element, the shoulder and the end of the sealing element form a second resealing, and can further be provided with a block on the moving element and a groove on the sealing element, the block and the groove form a third resealing, so that multiple resealings are formed between the sealing element and the moving element to prevent the medium from flowing between the moving element and the sealing element.

[0037] (3) The valve equipped with the valve core can be disassembled from the valve body, the sealing element in the valve core can be replaced alone, and then the valve core can be installed in the valve body to restore the normal function of the valve after the sealing element is worn to a certain extent, in addition, the valve can also be used as an independent valve or can be installed in a large electromagnetic valve as a small electromagnetic valve.

[0038] (4) The method for manufacturing the valve core is that first, the first moving element, the second moving element and the sealing element are selected, then the mounting portion is inserted into the mounting hole of the sealing element, and then the first moving element and the second moving element are connected, so that the valve core can be manufactured, and the manufacturing is convenient, fast, efficient and high. BRIEF DESCRIPTION OF DRAWINGS

[0039] Figure 1 It is a structure schematic view of the valve core in the first embodiment of the utility model.

[0040] Figure 2 It is an explosion view of the valve core in the first embodiment of the utility model.

[0041] Figure 3 It is a front view of the valve core in the first embodiment of the utility model.

[0042] Figure 4 It is Figure 3 It is a local structure schematic view of A-A section.

[0043] Figure 5It is the partial sectional view of the valve core in the second embodiment of the utility model.

[0044] Figure 6 It is the partial sectional view of the valve core in the third embodiment of the utility model.

[0045] Figure 7 It is the structure schematic view of the valve in one of the embodiments of the utility model.

[0046] Figure 8 It is the front view of the valve in one of the embodiments of the utility model.

[0047] Figure 9 It is Figure 8 The sectional view of B-B.

[0048] Figure 10 It is the step flow chart of the valve core manufacturing method of the utility model.

[0049] Reference signs: 1, valve core;11, first moving piece;111, first stop shoulder;112, first stop block;12, second moving piece;121, second stop shoulder;122, second stop block;13, mounting portion;14, sealing piece;141, first end;142, second end;143, mounting hole;144, first stop groove;145, second stop groove;15, connecting portion;151, first connecting section;152, second connecting section;16, connecting hole;161, first hole section;162, second hole section;17, first guide portion;18, second guide portion;2, valve body;21, containing passage;22, first flow passage;23, second flow passage;24, sealing area. DETAILED DESCRIPTION

[0050] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0051] In the description of the utility model, it should be understood that the terms "top", "bottom", "inner", "outer", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0052] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined as "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0053] Embodiment one

[0054] Referring to Figures 1 to 4 As shown in the figure, a valve core 1 includes a first moving part 11, a second moving part 12 and a sealing part 14; the first moving part 11 and the second moving part 12 are detachably connected, the first moving part 11 is provided with a mounting part 13; the sealing part 14 has oppositely arranged first end 141 and second end 142, the sealing part 14 is provided with mounting hole 143 penetrating through the first end 141 and the second end 142; and the mounting part 13 is provided in the mounting hole 143 and forms a surface connection with the mounting hole 143, so that the sealing part 14 is sealingly connected with the mounting part 13, and the sealing part 14 and the first moving part 11 form detachable cooperation.

[0055] In the above technical solution, the first moving part 11 can be used to connect to the driver on the valve body 2, the driver moves the valve core 1 in the valve body 2 by applying force to the first moving part 11, the driver can be a magnetic device or a push-pull rod, the second moving part 12 can be used to connect to the manual button on the valve body 2, the staff can press the manual button to move the valve core 1 in the valve body 2, specifically, one end of the first moving part 11 is used to connect to the driver on the valve body 2, the other end of the first moving part 11 is connected to one end of the second moving part 12, the other end of the second moving part 12 is used to connect to the manual button on the valve body 2, or vice versa, the second moving part 12 is used to connect to the driver on the valve body 2, the first moving part 11 can be used to connect to the manual button on the valve body 2, which is not limited, and other structures of the first moving part 11, the second moving part 12 and the sealing part 14 are not limited, as long as the first moving part 11, the second moving part 12 and the sealing part 14 are independent components, detachably connected with each other, and the sealing structure is ensured.

[0056] In addition, the mounting part 13 is provided in the mounting hole 143 to install the sealing part 14 on the mounting part 13 and sealingly connect with the sealing part 14, the size of the outer side wall of the mounting part 13 is greater than the size of the mounting hole 143, and the elasticity of the sealing part 14, so that the mounting hole 143 is tightly fitted on the mounting part 13, the movement of the sealing part 14 on the mounting part 13 is limited, and the first resealing between the sealing part 14 and the mounting part 13 is formed to prevent the medium from flowing between the mounting part 13 and the mounting hole 143;

[0057] In addition, the first moving member 11 and the second moving member 12 are detachably connected, and the sealing member 14 is detachably connected with at least one of the first moving member 11 and the second moving member 12, so that the first moving member 11, the second moving member 12 and the sealing member 14 are all independent detachable components. Unlike the existing encapsulation process, the staff can assemble the valve core 1 by first installing the sealing member 14 on the mounting portion 13 and then connecting the first moving member 11 to the second moving member 12. The valve core 1 can be disassembled by detaching the first moving member 11 and the second moving member 12 and then detaching the sealing member 14 installed on the mounting portion 13. The sealing member 14 in the valve core 1 can be replaced by detaching the first moving member 11 and the second moving member 12, detaching the old sealing member 14 installed on the mounting portion 13, then installing a new sealing member 14 on the mounting portion 13, and finally connecting the first moving member 11 to the second moving member 12. Therefore, after the sealing member 14 is worn to a certain extent, the normal function of the valve can be restored by replacing only the sealing member 14 in the valve core 1, and the encapsulation process needs to replace the entire valve core 1, so that the maintenance cost of the valve with the valve core 1 of the application is low.

[0058] As an example of the embodiment, refer to Figures 1 to 6 As shown in the figure, the first moving member 11 is provided with a first shoulder 111 located on the side away from the second end 142 to the first end 141 to limit the movement of the sealing member 14 to the direction from the second end 142 to the first end 141, and the second moving member 12 is provided with a second shoulder 121 located on the side away from the first end 141 to the second end 142 to limit the movement of the sealing member 14 to the direction from the first end 141 to the second end 142. The valve core 1 of the embodiment is not limited to the above example, and in some valve core 1 structures, only the first moving member 11 can be provided with a shoulder, or only the second moving member 12 can be provided with a shoulder.

[0059] When the sealing member 14 is subjected to a larger pushing force or pulling force and moves to a certain distance in the direction from the second end 142 to the first end 141 or in the direction from the first end 141 to the second end 142, the shoulder abuts against the end face of one end of the sealing member 14 to prevent the sealing member 14 from further moving, so as to ensure that the sealing member 14 cannot move beyond a certain range during the working process, thereby ensuring that the valve core 1 can effectively work.

[0060] As an example of the embodiment, refer to Figures 1 to 6As shown, the first dynamic member 11 is provided with a first stop shoulder 111, and the second dynamic member 12 is provided with a second stop shoulder 121, the first stop shoulder 111 is arranged around the mounting hole 143, the first stop shoulder 111 is connected to the first end 141, the first stop shoulder 111 and the sealing member 14 form a sealing fit, the second stop shoulder 121 is arranged around the mounting hole 143, the second stop shoulder 121 is connected to the second end 142, and the second stop shoulder 121 and the sealing member 14 form a sealing fit;

[0061] Wherein, the sealing member 14 can be prevented from moving in the direction from the first end 141 to the second end 142 and in the direction from the second end 142 to the first end 141 by the elasticity of the sealing member 14 and the distance between the first stop shoulder 111 and the second stop shoulder 121 being less than the distance from the first end 141 to the second end 142, to improve the stability of the sealing member 14 on the mounting portion 13, and further improve the accuracy and effectiveness of the spool 1 action, and the second resealing can be formed between the first stop shoulder 111 and the end face of the first end 141, and between the second stop shoulder 121 and the end face of the second end 142, to enhance the sealing between the sealing member 14 and the first dynamic member 11 and the second dynamic member 12.

[0062] As an example of the present embodiment, refer to Figures 1 to 6 As shown, the first end 141 of the sealing member 14 is provided with a first stop groove 144, the first stop groove 144 is arranged on the end face of the first end 141, the opening of the first stop groove 144 faces from the second end 142 to the first end 141, and the first dynamic member 11 is provided with a first stop block 112 matched with the first stop groove 144, the first stop block 112 extends into the first stop groove 144, the second end 142 of the sealing member 14 is provided with a second stop groove 145, the second stop groove 145 is arranged on the end face of the second end 142, the opening of the second stop groove 145 faces from the first end 141 to the second end 142, and the second dynamic member 12 is provided with a second stop block 122 matched with the second stop groove 145, the second stop block 122 extends into the second stop groove 145; The spool 1 of the present embodiment is not limited to the above example, in some spool 1 structures, only the first end 141 of the sealing member 14 can be provided with a stop groove, and the first dynamic member 11 can be provided with a stop block, or only the second end 142 of the sealing member 14 can be provided with a stop groove, and the second dynamic member 12 can be provided with a stop block;

[0063] Wherein, the staff can easily realize the alignment installation work of the sealing element 14 by inserting the stopper into the corresponding stop groove when installing the sealing element 14, so as to improve the accuracy and efficiency of installing the sealing element 14, and the stopper can also abut against the groove bottom of the stop groove when the sealing element 14 is subjected to a larger pushing force or pulling force and moves to a certain distance in the direction from the second end 142 to the first end 141 or in the direction from the first end 141 to the second end 142, so as to prevent the sealing element 14 from further moving, ensure that the sealing element 14 cannot move beyond a certain range during the working process, and further ensure that the valve core 1 can effectively work, which has a similar effect as the aforementioned stop shoulder.

[0064] As an example of the present embodiment, refer to Figures 1 to 6 As shown in the figure, in the case that the first end 141 of the sealing element 14 is provided with a first stop groove 144, and the first moving element 11 is provided with a first stopper 112, the first stop groove 144 is arranged around the mounting hole 143 and forms a sealing fit with the first stopper 112, and in the case that the second end 142 of the sealing element 14 is provided with a second stop groove 145, and the second moving element 12 is provided with a second stopper 122, the second stop groove 145 is arranged around the mounting hole 143 and forms a sealing fit with the second stopper 122; the valve core 1 of the present embodiment is not limited to the above example scheme, and in some valve core 1 structures, only the first stop groove 144 can be arranged around the mounting hole 143 and form a sealing fit with the first stopper 112, or only the second stop groove 145 can be arranged around the mounting hole 143 and form a sealing fit with the second stopper 122.

[0065] Wherein, the stopper and the stop groove can realize the second resealing fit by abutting against each other, so as to enhance the sealing property between the sealing element 14 and the first moving element 11 and the second moving element 12. Specifically, the stopper can realize the sealing fit by abutting against the groove wall of the stop groove, the stopper can also realize the sealing fit by abutting against the groove bottom of the stop groove, and the stopper can also realize the sealing fit by abutting against the groove wall and the groove bottom of the stop groove.

[0066] As an example of the present embodiment, refer to Figures 1 to 6As shown, in the case that the first end 141 of the sealing element 14 is provided with the first blocking groove 144, the first blocking groove 144 is communicated with the mounting hole 143 and coaxial with the mounting hole 143, and in the case that the second end 142 of the sealing element 14 is provided with the second blocking groove 145, the second blocking groove 145 is communicated with the mounting hole 143 and coaxial with the mounting hole 143; the valve core 1 of the embodiment is not limited to the above example scheme, and in some valve core 1 structures, only the first blocking groove 144 can be communicated with the mounting hole 143 and coaxial with the mounting hole 143, or only the second blocking groove 145 can be communicated with the mounting hole 143 and coaxial with the mounting hole 143.

[0067] The blocking groove is communicated with the mounting hole 143 and coaxial with the mounting hole 143, so that after the mounting hole 143 is processed, the blocking groove can be conveniently processed, the production and processing process of the sealing element 14 is simplified, and the staff can conveniently extend the blocking block into the blocking groove, so as to improve the accuracy and efficiency of the installation of the sealing element 14 on the mounting portion 13.

[0068] As an example of the embodiment, refer to Figures 1 to 6 As shown, in the case that the second moving element 12 is provided with the second blocking shoulder 121, the first end 141 of the sealing element 14 is provided with the first blocking groove 144, the first moving element 11 is provided with the first blocking block 112, the second moving element 12 is provided with the second blocking shoulder 121, the second end 142 of the sealing element 14 is provided with the second blocking groove 145, and the second moving element 12 is provided with the second blocking block 122, the first blocking block 112 is connected to the groove bottom of the first blocking groove 144, the first blocking shoulder 111 is connected to the first end 141 of the sealing element 14, and a sealing fit is formed, and the second blocking block 122 is connected to the groove bottom of the second blocking groove 145, the second blocking shoulder 121 is connected to the second end 142 of the sealing element 14, and a sealing fit is formed; the valve core 1 of the embodiment is not limited to the above example scheme, and in some valve core 1 structures, in the case that the second moving element 12 is provided with the second blocking shoulder 121, the first moving element 11 is provided with the first blocking block 112, and the sealing element 14 is provided with the first blocking groove 144, the first blocking block 112 is connected to the groove bottom of the first blocking groove 144, the first blocking shoulder 111 is connected to the first end 141 of the sealing element 14, and a sealing fit is formed, or in the case that the first moving element 11 is provided with the first blocking shoulder 111, the second moving element 12 is provided with the second blocking block 122, and the sealing element 14 is provided with the second blocking groove 145, the second blocking block 122 is connected to the groove bottom of the second blocking groove 145, the second blocking shoulder 121 is connected to the second end 142 of the sealing element 14, and a sealing fit is formed.

[0069] The third resealing is achieved between the groove bottom of the blocking groove and the blocking block to further improve the sealing between the sealing member 14 and the first moving member 11 and the second moving member 12. When the first blocking block 112 and the second blocking block 122 are provided, the first blocking block 112 and the second blocking block 122 abut against the groove bottom of the first blocking groove 144 and the groove bottom of the second blocking groove 145 in opposite directions, thereby achieving the function of fixing the position of the sealing member 14 and achieving the third resealing at the groove bottom of the two blocking grooves. At this time, the distance between the first blocking block 112 and the second blocking block 122 is less than the distance between the groove bottom of the first blocking groove 144 and the groove bottom of the second blocking groove 145. When only one blocking block is provided, the end surface of one end of the sealing member 14 is limited by the blocking shoulder, and the end surface of the other end is provided with a blocking groove. The groove bottom of the blocking groove abuts against the blocking block, thereby achieving the third resealing at the groove bottom of the blocking groove. At this time, the distance between the blocking block and the blocking shoulder of the other end is less than the distance between the blocking groove and the end surface of the other end,

[0070] As an example of the present embodiment, refer to Figures 1 to 6 As shown in the figure, the first moving member 11 is provided with a connecting portion 15, and the second moving member 12 is provided with a connecting hole 16. The connecting portion 15 is detachably connected to the connecting hole 16, so that the first moving member 11 and the second moving member 12 are detachably connected. The valve core 1 of the present embodiment is not limited to the above example. In some valve core 1 structures, the second moving member 12 is provided with a connecting portion 15, and the first moving member 11 is provided with a connecting hole 16. The first moving member 11 and the second moving member 12 are detachably connected. After the first moving member 11 and the second moving member 12 are detached, the sealing member 14 can be detached from the mounting portion 13.

[0071] As an example of the present embodiment, refer to Figures 1 to 6As shown, the connecting hole 16 is sequentially provided with a first hole section 161 and a second hole section 162 along its axial direction, and the second hole section 162 is formed with a hole opening of the connecting hole 16 at an end away from the first hole section 161, and the outer side wall of the connecting part 15 is sequentially provided with a first connecting section 151 and a second connecting section 152 along the axial direction of the connecting hole 16, the first connecting section 151 is detachably connected to the first hole section 161 to realize detachable connection of the first moving part 11 and the second moving part 12, and the outer side wall of the second connecting section 152 is connected to the hole wall of the second hole section 162 to improve the concentricity of the first moving part 11 and the second moving part 12; wherein the first connecting section 151 and the first hole section 161 are used to realize detachable connection of the first moving part 11 and the second moving part 12, and after the first moving part 11 and the second moving part 12 are detached, the sealing part 14 can be detached from the mounting part 13, the first connecting section 151 and the first hole section 161 can be detachably connected by connection modes including threaded connection, buckle connection, pin connection, wedge connection, magnetic connection, etc., as an example of the embodiment, the outer side wall of the second connecting section 152 and the hole wall of the second hole section 162 are connected to ensure the concentricity of the first moving part 11 and the second moving part 12 after each disassembly, and further ensure the accuracy of movement of the valve core 1 after each disassembly, and the outer side wall of the second connecting section 152 and the hole wall of the second hole section 162 can be clearance fit or transition fit.

[0072] As an example of the embodiment, referring to Figures 1 to 6 As shown, the first connecting section 151 and the second connecting section 152 are provided with a first guide part 17, the outer diameter of the first guide part 17 gradually decreases in the direction from the second connecting section 152 to the first connecting section 151, and the hole opening of the connecting hole 16 is provided with a second guide part 18, the inner diameter of the second guide part 18 gradually decreases in the direction from the outside of the connecting hole 16 to the inside of the connecting hole 16; the valve core 1 of the embodiment is not limited to the above example, in some valve core 1 structures, only the first guide part 17 can be provided between the first connecting section 151 and the second connecting section 152, or only the second guide part 18 can be provided at the hole opening of the connecting hole 16;

[0073] When the connecting portion 15 extends into the connecting hole 16, the first connecting section 151 first extends through the second hole section 162 and then extends into the first hole section 161 to be connected. After the first connecting section 151 extends through the second hole section 162, the second connecting portion 15 extends into the connecting hole 16 and then extends into the second hole section 162 to be connected. When the second connecting portion 15 extends into the connecting hole 16, the first guide portion 17 and the second guide portion 18 abut against each other, the first guide portion 17 abuts against the hole opening of the connecting hole 16, or the second guide portion 18 abuts against the outer edge of the second connecting portion 15, so that the connecting portion 15 moves along the radial direction thereof, and then the second connecting section 152 corresponds to the second hole section 162 and then extends into the second hole section 162.

[0074] As an example of the present embodiment, the mounting portion 13 and the connecting portion 15 are arranged on one of the first moving member 11 and the second moving member 12, so that the connecting portion 15 and the mounting portion 13 are sequentially machined on one moving member, to ensure that the connecting portion 15 and the mounting portion 13 have high concentricity, and then the concentricity of the first moving member 11, the second moving member 12 and the sealing member 14 is improved, and the accuracy of movement of the valve core 1 is improved.

[0075] As an example of the present embodiment, referring to Figures 1 to 5 As shown, the connecting portion 15 is arranged on the outer peripheral side of the mounting portion 13, so that the mounting portion 13 and the connecting portion 15 are arranged on one moving member, to facilitate machining of the connecting portion 15 on the mounting portion 13, to ensure that the connecting portion 15 and the mounting portion 13 have high concentricity, and then the concentricity of the first moving member 11, the second moving member 12 and the sealing member 14 is improved, and the accuracy of movement of the valve core 1 is improved.

[0076] As an example of the present embodiment, referring to Figures 1 to 6 As shown, the connecting portion 15 and the mounting portion 13 are coaxially arranged. The connecting portion 15 and the mounting portion 13 can be arranged on one moving member or can be arranged on two different moving members. The coaxial arrangement is used to ensure that the first moving member 11, the second moving member 12 and the sealing member 14 have a certain concentricity, to improve the accuracy of movement of the valve core 1.

[0077] As an example of the present embodiment, the sealing member 14 can be made of soft material such as rubber.

[0078] Referring to Figures 7 to 9 As shown, the present application also relates to a valve, which comprises a valve body 2 and the valve core 1 described above, and the valve core 1 is arranged in the valve body 2.

[0079] The technical scheme above can be used to replace the sealing member 14 in the valve core 1 after the sealing member 14 is worn to a certain extent, and then the valve core 1 is installed in the valve body 2 to restore the normal function of the valve. Further, the valve can be used as an independent valve or installed in a large electromagnetic valve as a small electromagnetic valve.

[0080] As an example of the present embodiment, refer to Figures 7 to 9 As shown in the figure, the valve body 2 is provided with a containing channel 21, a first flow channel 22 and a second flow channel 23 in communication, the containing channel 21 has a first position and a second position, the valve core 1 reciprocally moves between the first position and the second position, and the sealing area 24 is provided at the joint of the first flow channel 22 and the containing channel 21, the inside of the first flow channel 22 or the inside of the containing channel 21; in the case that the valve core 1 moves to the first position, the sealing member 14 forms a sealing fit with the sealing area 24 to block the communication between the first flow channel 22 and the second flow channel 23; in the case that the valve core 1 moves to the second position, the sealing member 14 is separated from the sealing area 24 to make the first flow channel 22 communicate with the second flow channel 23.

[0081] The valve body 2 has the function of opening and closing the flow channel by moving the valve core 1, and further, after the valve core 1 is forced to move to the first position, it will continue to be forced to make the sealing member 14 continuously press on the sealing area 24 to continuously block the communication between the two channels. The valve core 1 can be forced by magnetic force or mechanical tension. After the valve core 1 is forced to move to the second position, it is not limited whether the valve core 1 continues to be forced, and the first flow channel and the second flow channel can communicate.

[0082] As shown in the figure, the valve body 2 is provided with a containing channel 21, a first flow channel 22 and a second flow channel 23 in communication, the containing channel 21 has a first position and a second position, the valve core 1 reciprocally moves between the first position and the second position, and the sealing area 24 is provided at the joint of the first flow channel 22 and the containing channel 21, the inside of the first flow channel 22 or the inside of the containing channel 21; in the case that the valve core 1 moves to the first position, the sealing member 14 forms a sealing fit with the sealing area 24 to block the communication between the first flow channel 22 and the second flow channel 23; in the case that the valve core 1 moves to the second position, the sealing member 14 is separated from the sealing area 24 to make the first flow channel 22 communicate with the second flow channel 23. Figure 10 As shown in the figure, the valve body 2 is provided with a containing channel 21, a first flow channel 22 and a second flow channel 23 in communication, the containing channel 21 has a first position and a second position, the valve core 1 reciprocally moves between the first position and the second position, and the sealing area 24 is provided at the joint of the first flow channel 22 and the containing channel 21, the inside of the first flow channel 22 or the inside of the containing channel 21; in the case that the valve core 1 moves to the first position, the sealing member 14 forms a sealing fit with the sealing area 24 to block the communication between the first flow channel 22 and the second flow channel 23; in the case that the valve core 1 moves to the second position, the sealing member 14 is separated from the sealing area 24 to make the first flow channel 22 communicate with the second flow channel 23.

[0083] Step one, select the sealing member 14, the first moving member 11 and the second moving member 12; step two, pass the mounting part 13 through the sealing member 14 to make the sealing member 14 form a sealing fit with the mounting part 13; step three, connect the first moving member 11 and the second moving member 12 to make the first moving member 11, the second moving member 12 and the sealing member 14 form the valve core 1.

[0084] The technical scheme provides a convenient manufacturing method of the valve core 1, and the manufacturing of the valve core 1 can be completed by sequentially implementing the three steps of selection, penetration and connection, so that the manufacturing is convenient, fast and efficient, and the valve core 1 manufactured by the manufacturing method can restore the normal function of the valve by replacing the sealing element 14 of the valve core 1 after the sealing element 14 is worn to a certain extent, so that the maintenance cost of the valve is low.

[0085] As an example of the present embodiment, detachable connection refers to repeated and multiple disassembly and assembly between two components, including but not limited to fixing by a connecting piece, snap connection, pin connection, slot connection, sleeve connection, check ring connection, mortise and tenon connection, magnetic connection and wedge connection.

[0086] As an example of the present embodiment, the connecting piece includes but is not limited to a fastener, a pin, a strap, a chain, a rope, a hook, a bolt, a rivet, a rope, a gas-liquid connecting element, a flange plate, a webbing, a magic tape and a button.

[0087] Embodiment Two

[0088] The difference between the present embodiment two and the embodiment one is that, referring to Figure 5 , a valve core 1 includes a first moving element 11, a second moving element 12 and a sealing element 14; the first moving element 11 and the second moving element 12 are detachably connected, the second moving element 12 is provided with a mounting portion 13; the sealing element 14 has oppositely arranged first and second ends 141 and 142, the sealing element 14 is provided with a mounting hole 143 penetrating through the first and second ends 141 and 142; and the mounting portion 13 is provided in the mounting hole 143 and forms a surface connection with the mounting hole 143, so that the sealing element 14 is sealingly connected with the mounting portion 13, and the sealing element 14 is detachably connected with the second moving element 12.

[0089] Embodiment Three

[0090] The difference between the present embodiment three and the embodiment one is that, referring to Figure 5 , referring to Figure 6As shown, a valve core 1 comprises a first moving element 11, a second moving element 12 and a sealing element 14; the first moving element 11 and the second moving element 12 are detachably connected, the first moving element 11 and the second moving element 12 are provided with mounting portions 13; the sealing element 14 has oppositely arranged first and second ends 141 and 142, the sealing element 14 is provided with a mounting hole 143 penetrating the first and second ends 141 and 142; and the mounting portion 13 is provided in the mounting hole 143 and forms a surface connection with the mounting hole 143, so that the sealing element 14 is sealingly connected with the mounting portion 13, and the sealing element 14 forms a detachable connection with the first moving element 11 and the second moving element 12, wherein the mounting portion 13 on the first moving element 11 and the mounting portion 13 on the second moving element 12 are correspondingly arranged, and the sealing element 14 is simultaneously tightly sleeved on the mounting portion 13 on the first moving element 11 and the mounting portion 13 on the second moving element 12.

[0091] In summary, the utility model embodiment provides a valve core 1 and a valve, and the technical effects are:

[0092] (1) In the valve core 1 of the utility model, the mounting portion 13 is provided in the mounting hole 143 to make the sealing element 14 mounted on the mounting portion 13 and sealingly connected with the sealing element 14, the mounting hole 143 is tightly sleeved on the mounting portion 13 to limit the sealing element 14 from moving randomly on the mounting portion 13, and the sealing element 14 and the mounting portion 13 form a first resealing to prevent the medium from flowing between the mounting portion 13 and the mounting hole 143.

[0093] In addition, the first moving element 11 and the second moving element 12 are detachably connected, and the sealing element 14 is detachably connected with at least one of the first moving element 11 and the second moving element 12, so that the first moving element 11, the second moving element 12 and the sealing element 14 are all independent detachable components, a worker can assemble the valve core 1 by first mounting the sealing element 14 on the mounting portion 13 and then connecting the first moving element 11 to the second moving element 12, can disassemble the valve core 1 by detaching the first moving element 11 and the second moving element 12 and then detaching the sealing element 14 mounted on the mounting portion 13, can replace the sealing element 14 in the valve core 1 by detaching the first moving element 11 and the second moving element 12, then detaching the old sealing element 14 mounted on the mounting portion 13, and then mounting a new sealing element 14 on the mounting portion 13, and finally connecting the first moving element 11 to the second moving element 12; therefore, after the sealing element 14 is worn to a certain degree, the normal function of the valve can be restored by replacing the sealing element 14 alone, so that the maintenance cost of the valve equipped with the valve core 1 of the utility model is low.

[0094] (2) The aforementioned valve core 1 can also be provided with a stop shoulder on the moving part, the stop shoulder and the end of the sealing element 14 form a second resealing, and a stop block can also be provided on the moving part and a stop groove can be provided on the sealing element 14, the stop block and the stop groove form a third resealing, so that multiple resealings are formed between the sealing element 14 and the moving part, preventing the medium from flowing between the moving part and the sealing element 14;

[0095] (3) The valve provided with the aforementioned valve core 1 can be used to replace the sealing element 14 in the valve core 1 after the sealing element 14 is worn to a certain extent, and then the valve core 1 is installed in the valve body 2 to restore the normal function of the valve, in addition, the valve can also be used as an independent valve, and can also be installed in a large electromagnetic valve as a small electromagnetic valve.

[0096] (4) The method for manufacturing the aforementioned valve core 1 is to select the first moving part 11, the second moving part 12 and the sealing element 14 in sequence, pass the mounting part 13 into the mounting hole 143 of the sealing element 14, and then connect the first moving part 11 and the second moving part 12, so as to complete the manufacturing of the valve core 1, which is convenient, fast, efficient and easy to manufacture.

[0097] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and substitutions can be made, and these improvements and substitutions should also be considered as the protection scope of the present application.

Claims

1. A valve core (1) characterized in that, The utility model relates to a detachable connection first moving element (11) and second moving element (12), first moving element (11) and / or second moving element (12) are equipped with mounting portion (13) on it; Seal (14) has oppositely arranged first end (141) and second end (142), and the mounting hole (143) that is equipped with in seal (14) penetrates first end (141) and second end (142);And, The mounting portion (13) is worn in the mounting hole (143), and face connection cooperation is formed with the mounting hole (143), so that the seal (14) is sealed with the mounting portion (13) Connection, and the seal (14) is at least with first moving element (11), second moving element (12) one forms detachable cooperation. First moving element (11) is equipped with first stop shoulder (111), and first stop shoulder (111) is located on the side of first end (141) away from second end (142), to limit the seal (14) to the direction of second end (142) to first end (141) movement; 2. Valve core (1) according to claim 1, characterized in that And / or, second moving element (12) is equipped with second stop shoulder (121), and second stop shoulder (121) is located on the side of second end (142) away from first end (141), to limit the seal (14) to the direction of first end (141) to second end (142) movement. First moving element (11) is equipped with first stop shoulder (111), and second moving element (12) is equipped with second stop shoulder (121), first stop shoulder (111) is arranged around the mounting hole (143), first stop shoulder (111) is connected to first end (141), so that first stop shoulder (111) and seal (14) form sealing cooperation, second stop shoulder (121) is arranged around the mounting hole (143), and second stop shoulder (121) is connected to second end (142), so that second stop shoulder (121) and seal (14) form sealing cooperation.

3. Valve core (1) according to claim 2, characterized in that The first end (141) of the seal (14) is provided with a first stop groove (144), and the first stop groove (144) is arranged on the end face of the first end (141). The slot of the first stop groove (144) faces from the second end (142) to the first end (141). The first moving element (11) is provided with a first stop block (112) matched with the first stop groove (144), and the first stop block (112) extends into the first stop groove (144).

4. Valve core (1) according to claim 1, characterized in that ​ And / or, the second end (142) of the sealing member (14) is provided with a second blocking groove (145), the second blocking groove (145) is arranged on the end face of the second end (142), the opening of the second blocking groove (145) is from the first end (141) to the second end (142), and the second moving element (12) is provided with a second blocking block (122) matched with the second blocking groove (145), the second blocking block (122) extends into the second blocking groove (145).

5. Valve core (1) according to claim 4, characterized in that In the case that the first end (141) of the sealing member (14) is provided with a first blocking groove (144), and the first moving element (11) is provided with a first blocking block (112), the first blocking groove (144) is arranged around the mounting hole (143) and forms a sealing cooperation with the first blocking block (112); And / or, in the case that the second end (142) of the sealing member (14) is provided with a second blocking groove (145), and the second moving element (12) is provided with a second blocking block (122), the second blocking groove (145) is arranged around the mounting hole (143) and forms a sealing cooperation with the second blocking block (122).

6. Valve core (1) according to claim 4, characterized in that In the case that the first end (141) of the sealing member (14) is provided with a first blocking groove (144), the first blocking groove (144) is communicated with the mounting hole (143) and coaxial with the mounting hole (143); And / or, in the case that the second end (142) of the sealing member (14) is provided with a second blocking groove (145), the second blocking groove (145) is communicated with the mounting hole (143) and coaxial with the mounting hole (143).

7. The valve core (1) according to claim 4, characterized in that, In the case that the first moving element (11) is provided with a first blocking shoulder (111), the first end (141) of the sealing member (14) is provided with a first blocking groove (144), the first moving element (11) is provided with a first blocking block (112), the second moving element (12) is provided with a second blocking shoulder (121), the second end (142) of the sealing member (14) is provided with a second blocking groove (145), and the second moving element (12) is provided with a second blocking block (122), the first blocking block (112) is connected to the groove bottom of the first blocking groove (144), so that the first blocking shoulder (111) is connected to the first end (141) of the sealing member (14) to form a sealing cooperation, and the second blocking block (122) is connected to the groove bottom of the second blocking groove (145), so that the second blocking shoulder (121) is connected to the second end (142) of the sealing member (14) to form a sealing cooperation; Or, in the case that the second moving element (12) is provided with a second stop shoulder (121), the first moving element (11) is provided with a first stop block (112), and the sealing element (14) is provided with a first stop groove (144), the first stop block (112) is connected to the bottom of the first stop groove (144), and the first stop shoulder (111) is connected to the first end (141) of the sealing element (14), thereby forming a sealing fit. Or, in the case that the first moving element (11) is provided with a first stop shoulder (111), the second moving element (12) is provided with a second stop block (122), and the sealing element (14) is provided with a second stop groove (145), the second stop block (122) is connected to the bottom of the second stop groove (145), and the second stop shoulder (121) is connected to the second end (142) of the sealing element (14), thereby forming a sealing fit.

8. Valve core (1) according to claim 1, characterized in that One of the first moving element (11) and the second moving element (12) is provided with a connecting portion (15), and the other of the first moving element (11) and the second moving element (12) is provided with a connecting hole (16), the connecting portion (15) is detachably connected to the connecting hole (16), so that the first moving element (11) and the second moving element (12) are detachably connected.

9. Valve core (1) according to claim 8, characterized in that The connecting hole (16) is sequentially provided with a first hole section (161) and a second hole section (162) along the axial direction thereof, and the second hole section (162) is formed with a hole opening of the connecting hole (16) away from the end of the first hole section (161), and the outer side wall of the connecting portion (15) is sequentially provided with a first connecting section (151) and a second connecting section (152) along the axial direction of the connecting hole (16), the first connecting section (151) is detachably connected to the first hole section (161), so that the first moving element (11) and the second moving element (12) are detachably connected, and the outer side wall of the second connecting section (152) is matched and connected to the hole wall of the second hole section (162), so as to improve the concentricity of the first moving element (11) and the second moving element (12).

10. Valve core (1) according to claim 9, characterized in that The first connecting section (151) and the second connecting section (152) are provided with a first guide portion (17), and the outer diameter of the first guide portion (17) gradually decreases from the second connecting section (152) to the first connecting section (151); And / or, the hole opening of the connecting hole (16) is provided with a second guide portion (18), and the inner diameter of the second guide portion (18) gradually decreases from the outside of the connecting hole (16) to the inside of the connecting hole (16).

11. Valve core (1) according to claim 8, characterized in that The mounting portion (13) and the connecting portion (15) are jointly provided on one of the first moving element (11) and the second moving element (12).

12. Valve core (1) according to claim 8, characterized in that The connecting portion (15) is arranged on the outer peripheral side of the mounting portion (13); or, the connecting portion (15) and the mounting portion (13) are coaxially arranged.

13. A valve, characterized by The valve core (1) of any one of claims 1 to 12 is installed in the valve body (2).

14. The valve of claim 13, wherein, The valve body (2) is provided with a containing channel (21), a first flow channel (22) and a second flow channel (23) in communication, the containing channel (21) has a first position and a second position, the valve core (1) reciprocates between the first position and the second position, and the sealing area (24) is arranged at the joint of the first flow channel (22) and the containing channel (21), the inside of the first flow channel (22) or the inside of the containing channel (21); When the valve core (1) moves to the first position, the sealing element (14) forms a sealing fit with the sealing area (24) to block the communication between the first flow channel (22) and the second flow channel (23); When the valve core (1) moves to the second position, the sealing element (14) is separated from the sealing area (24) to make the first flow channel (22) communicate with the second flow channel (23).

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