CN114278752A - Push switch type angle valve - Google Patents
Push switch type angle valve Download PDFInfo
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- CN114278752A CN114278752A CN202011028049.XA CN202011028049A CN114278752A CN 114278752 A CN114278752 A CN 114278752A CN 202011028049 A CN202011028049 A CN 202011028049A CN 114278752 A CN114278752 A CN 114278752A
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Abstract
The invention provides a push switch type angle valve, wherein a valve core structure is provided with a switch shell, a valve core shell, a connecting rod and three sealing structures; the valve core is provided with a valve core water outlet, the first sealing structure is a sealing structure between the valve core shell and the valve core, the second sealing structure is a sealing structure between the valve core shell and the valve core, and the second sealing structure is positioned between the valve core shell water outlet and the valve core water outlet; the third sealing structure is a normally closed sealing structure and is used for separating a water-passing inner cavity of the valve core shell from the switch shell; when the valve is closed, between the second sealing structure and the third sealing structure, the space outside the valve core in the valve core structure is set as a water storage space, and the water storage space is communicated with the water inlet of the valve core shell through the water outlet of the valve core. The angle valve can form a working environment with water pressure at the front and the rear inside, has small switching resistance and can provide better sealing performance.
Description
Technical Field
The invention relates to a push switch type angle valve.
Background
For the angle valve, if a press switch type is adopted, a valve core in a conventional press type valve core structure is connected to the end part of a press rod of the press type switch, the press type switch is provided with a button, the button is connected with the press rod, a motion control structure in the press type switch can provide a front stop position and a rear stop position for the press rod in the axial direction, so that the valve core can also have two stop positions which respectively correspond to the opening state and the closing state of the valve.
Thus, the push-to-open type angle valve needs to be subjected to the resistance of front water pressure during the push operation from the closed state to the open state, and thus, the valve core structure requires a large amount of effort in the initial stage, which affects the experience of the operation and also requires a high structural strength.
Disclosure of Invention
The invention aims to provide a push switch type angle valve which has small switch resistance and can provide better sealing performance.
Therefore, the invention adopts the following technical scheme:
the press switch type angle valve comprises a valve shell and a valve core structure, wherein the valve core structure comprises a press switch and a valve core, the press switch comprises a press rod with a certain length and a motion control mechanism, the motion control mechanism is provided with a spring, and the motion control mechanism provides a front stop position and a rear stop position for the press rod along a pressed direction;
the valve core is arranged in the valve core shell, the valve core is provided with a valve core water outlet, and the valve core shell is provided with a water outlet and a water inlet;
the front end of the connecting rod is connected with the valve core, and the rear end of the connecting rod extends into the switch shell and is connected with the pressure rod through a connecting structure;
the valve core structure is provided with three sealing structures, the first sealing structure is a sealing structure between the valve core shell and the valve core and is arranged between the water inlet and the water outlet of the valve core shell, the second sealing structure is a sealing structure between the valve core shell and the valve core, when the valve is opened, the sealing state is released, when the valve is closed, the sealing state is realized, and the second sealing structure is arranged between the water outlet of the valve core shell and the water outlet of the valve core; the third sealing structure is a normally closed sealing structure and is used for separating a water-passing inner cavity of the valve core shell from the switch shell; and the number of the first and second electrodes,
when the valve is closed, between the second sealing structure and the third sealing structure, the space outside the valve core in the valve core structure is set as a water storage space, and the water storage space is communicated with the water inlet of the valve core shell through the water outlet of the valve core.
On the basis of the technical scheme, the invention can also adopt the following further technical schemes or combine the further technical schemes for use:
the pressing direction of the pressing rod is the forward direction, the valve core shell is positioned in front of the switch shell, the water inlet of the valve core shell is positioned in front of the water outlet of the valve core shell, the second sealing structure is arranged behind the water inlet of the valve core shell, and the first sealing structure is arranged in front of the water inlet of the valve core.
The switch shell is connected with the valve core shell and arranged in the valve shell, the switch shell is provided with an external thread and is connected with the valve shell through the external thread, and the valve shell is provided with a water inlet communicated with the water inlet of the valve core shell and a water outlet communicated with the water outlet of the valve core shell; and a sealing structure is arranged between the valve shell and the valve core shell, and a sealing structure is arranged between the valve shell and the switch shell so as to separate the water outlet of the valve core shell from the outside.
The switch shell and the valve core shell are respectively cylindrical in shape and are connected together in a front-back threaded manner, a water outlet barrel part is arranged at the front end part of the valve core shell, is provided with an external thread and is connected with an internal thread at the front part of the front end part of the valve core shell, and the sealing ring of the first sealing structure is fixedly clamped through the threaded connection; the sealing ring of the first sealing structure is provided with an installation part which is of a T-shaped cross section structure and seals between the front end part of the valve core shell and the water outlet barrel body part through the T-shaped cross section structure; and a sealing ring mounting groove is arranged on the outer side of the water outlet barrel body part and is used for mounting a sealing ring serving as a sealing structure between the valve shell and the valve core shell.
The valve core is of a cylindrical structure, the top of the valve core cylinder is connected with the connecting rod, and the top of the valve core cylinder is provided with the valve core water outlet.
The third sealing structure comprises a sealing ring seat, the sealing ring seat is provided with a central hole for the connecting rod to pass through, the sealing ring seat is provided with a sealing ring mounting groove around the central hole, and the sealing ring is in sealing fit with the connecting rod.
The bottom of the switch shell is provided with a bottom plate, the bottom plate is provided with a central hole for a connecting rod to pass through, the sealing ring seat comprises a cylindrical part and a top part and is supported by the valve core shell through the cylindrical part, the top part is provided with the central hole of the sealing ring seat, one surface of the top part facing the bottom plate of the switch shell is provided with the sealing ring mounting groove, and the sealing ring mounting groove is matched with the bottom plate of the switch shell to fix the sealing ring of the third sealing structure.
The switch shell and the valve core shell are respectively cylindrical and are in threaded connection; the sealing ring seat comprises a through cylinder body and a top, the sealing ring seat is supported by the valve core shell through the cylinder-shaped part and is tightly pressed against the sealing ring seat through the threaded connection of the switch shell and the valve core shell, and the sealing ring of the second sealing structure is clamped between the bottom of the sealing ring seat and the valve core shell and simultaneously seals the cylinder-shaped part of the sealing ring seat, the valve core shell and the switch shell.
The rear barrel of the valve core shell is in threaded connection with the front end of the switch shell, a clamping groove of a sealing ring installation part of a second sealing structure is arranged in the rear barrel, the sealing ring installation part is of a T-shaped cross section structure and is clamped by the valve core shell, the front end of the switch shell and a barrel-shaped part of a sealing ring seat, and the barrel-shaped part of the sealing ring seat, the valve core shell and the switch shell are sealed through the T-shaped cross section structure.
The bottom of switch housing sets up the bottom plate, the front end of depression bar sets up the external screw thread, the connecting rod passes through nut and compression link, the spring setting is between switch housing bottom plate and nut, the rear end and the nut fixed connection of connecting rod.
By adopting the technical scheme, a working environment with water pressure at the front and the back can be formed in the angle valve, the force value during the pressing operation only needs to overcome the friction force, the force value of the elastic structure and the water pressure borne by the sectional area of the connecting rod, the switch resistance is small during the pressing operation from the closed state to the open state, and the thinner the connecting rod is, the smaller the resistance is; and, can set up the external sealing washer of isolator in the front portion of connecting rod, can form that the connecting axle is thinner, the resistance is less, the good promotion effect that the sealing effect is better.
Drawings
Fig. 1 is a sectional view of the valve core structure of the present invention in a valve closed state.
Fig. 2 is a front view of the valve cartridge structure of the present invention in a valve closed state.
Fig. 3 is a sectional view of the valve core structure of the present invention in a valve open state.
Fig. 4 is a front view of the valve core structure of the present invention in a valve open state.
Figure 5 is a cross-sectional view of the angle valve of the present invention.
Fig. 6 is a front schematic view of a one-way link and a gear position in the motion control mechanism.
Detailed Description
Reference is made to the accompanying drawings. The invention provides a push switch type angle valve which comprises a valve shell 400 and a valve core structure, wherein the valve core structure comprises a push switch and a valve core 1.
The switch component of the press switch comprises a press rod 101 with a certain length and a motion control mechanism, wherein the motion control mechanism is provided with a spring 105, and the motion control mechanism provides a front stop position and a rear stop position for the press rod along a pressed direction and respectively corresponds to the closing state and the opening state of the valve. The motion control mechanism is described in further detail below.
The valve core structure is provided with a switch shell 100, a valve core shell and a connecting rod 2. The spool case is located in front of the switch case 100 in accordance with the direction in which the pressing rod 101 is pressed down being the forward direction. The switch housing 100 and the valve core housing are respectively cylindrical and connected together in a front-back manner (for example, in a threaded manner), and are disposed in the valve housing 400, and the shapes of the switch housing 100 and the valve core housing are matched with the inner cavity of the valve housing 400.
The valve core 1 is arranged in the valve core shell, and is driven by the switch to move vertically and vertically in the valve core shell, the valve core 1 is provided with a valve core water outlet 10, the valve core shell is provided with a water outlet 302 and a water inlet 301, and the valve core shell is formed by connecting a front short cylinder body 31 and a rear short cylinder body 32. For example, the water outlet 302 is provided at the clamping portion, and the water inlet 301 is provided at the front short cylinder 31.
The front end of the connecting rod 2 is connected with the valve core 1, and the rear end of the connecting rod 2 extends into the switch shell 100 and is connected with the pressure rod 101 through a connecting structure.
The valve core structure is provided with three sealing structures, the first sealing structure is a sealing structure between the valve core shell and the valve core 1, the first sealing structure is arranged between the water inlet 301 and the water outlet 302 of the valve core shell and is normally closed, and the position to which the valve core 1 slides always keeps a sealing matching state with the sealing ring 41 of the first sealing structure. The second sealing structure is a sealing structure between the valve core shell and the valve core 1, is positioned behind the first sealing structure, when the valve is opened, the valve core 1 slides to the front of a sealing ring 42 of the second sealing structure, and is in a sealing releasing state, when the valve is closed, the valve core 1 slides to a position in a sealing matching state with the sealing ring 42, and the second sealing structure is positioned between the water outlet of the valve core shell and the water outlet of the valve core; the third sealing structure is a normally closed sealing structure and is used for separating the water-passing inner cavity of the valve core shell from the switch shell. And when the valve is closed, between the second sealing structure and the third sealing structure, the space outside the valve core 1 in the valve core structure is set as a water storage space 300, the water storage space is communicated with the water inlet 301 of the valve core shell through the valve core water outlet 10, and by designing the retraction stroke of the valve core 1 or the length of the valve core shell, a certain distance is kept between the valve core 1 and the structure behind the valve core (such as a seal ring seat 5 described below) to provide a sufficient water storage space 300. Therefore, when the valve core 1 is pressed at any time, the rear part of the valve core is filled with running water (water is communicated), so that the condition that water pressure exists at the upper part and the lower part is formed, the pressing force value is smaller, and the water flow impact is smaller when the valve core is opened.
The valve core 1 is of a cylindrical structure, the front part of the valve core cylinder is open, the rear part of the valve core cylinder is a cylinder top 11 and is connected with the connecting rod 2, and the cylinder top 11 of the valve core cylinder is provided with the valve core water outlet 10.
The third sealing structure includes a packing seat 5, the packing seat 5 includes a cylindrical portion 51 and a top portion 52, and is supported by the valve core housing through the cylindrical portion 51, and the top portion 52 is provided with a center hole 53 of the packing seat for the connection rod 2 to pass through. The bottom of the switch casing 100 is provided with a bottom plate 102, the bottom plate 102 is provided with a central hole 103 for the connecting rod 2 to pass through, one surface of the top of the sealing ring seat 5 facing the bottom plate of the switch casing is provided with a sealing ring mounting groove 54 around the central hole 53, a sealing ring 43 of a third sealing structure is placed in the sealing ring mounting groove 54, and the sealing ring mounting groove 54 fixes the sealing ring 43 through matching with the bottom plate 102 of the switch casing. The inner diameter of the sealing ring 43 only needs to match the diameter of the connecting rod 2, and is in sealing fit with the connecting rod 2, so that the sealing ring has a better sealing effect and smaller sliding resistance.
The seal ring seat 5 is supported by the valve core housing through the cylindrical portion 51, and the seal ring seat 5 is tightly pressed through the threaded connection between the switch housing 100 and the valve core housing, and the seal ring 42 of the second sealing structure is clamped between the bottom of the seal ring seat and the valve core housing, and simultaneously seals between the cylindrical portion 51 of the seal ring seat 5 and the valve core housing and the switch housing. For example, the rear cylinder 32 of the valve core housing is in threaded connection with the front end of the switch housing, a clamping groove of the mounting portion 421 of the sealing ring 42 is arranged in the rear cylinder 32, the mounting portion 421 is in a t-shaped cross-sectional structure, and is clamped by the valve core housing, the front end of the switch housing and the cylindrical portion of the sealing ring seat 5, and the cylindrical portion 51 of the sealing ring seat 5, the valve core housing and the switch housing are sealed through the t-shaped cross-sectional structure.
The front end of depression bar 101 sets up the external screw thread, connecting rod 2 passes through nut 104 and is connected with depression bar 101, spring 105 sets up between switch housing bottom plate 102 and nut 104, the rear end and the nut 104 fixed connection of connecting rod 2, for example set up the connecting hole at the top center of nut, the rear end of connecting rod 2 and this connecting hole joint, threaded connection etc..
As previously described, the switch housing 100 and the valve cartridge housing are coupled together and disposed within the valve housing 400, and the switch housing 100 and the valve cartridge housing are contoured to match the interior cavity of the valve housing 400. The switch shell 100 is provided with an external thread 106, is in threaded connection with the inside of a valve shell through the external thread 106 and is fixed in the valve shell 400, the valve shell 400 is provided with a front limiting bulge 405, the valve core structure is installed from the rear part of the valve shell 400 and is in threaded connection with the valve shell through the external thread 106, the front end part of the valve core structure forms limiting fit with the limiting bulge 405, the valve shell 400 is provided with a water inlet 401 communicated with a water inlet 301 of the valve core shell and a water outlet 402 communicated with a water outlet 302 of the valve core shell, the water outlet 402 is arranged on the side wall of the valve shell 400, the water inlet 401 is the front end opening part of a cylinder body of the valve shell 400, and the water outlet 402 is vertical to the axis of the water inlet; and a sealing structure is arranged between the valve shell 400 and the valve core shell, and a sealing structure (a sealing ring 403) is arranged between the valve shell 400 and the switch shell 100 to separate the water outlet 302 of the valve core shell from the outside. The installation of the seal and the first seal disposed between the valve housing 400 and the valve cartridge housing may be considered in combination: the front end of the valve core shell can be provided with a water outlet cylindrical component 33, the water outlet cylindrical component 33 is provided with an external thread and is connected with the front internal thread of the front cylindrical body 31, and the sealing ring 41 of the first sealing structure is clamped and fixed through the threaded connection. The seal ring 41 is provided with a mounting portion 411, the mounting portion 411 has a t-shaped cross-sectional structure, and seals between the front cylinder 31 and the water outlet cylinder member 33 by the t-shaped cross-sectional structure. A sealing ring mounting groove may be formed on the outer side of the outlet cylinder member 33 for mounting a sealing ring 404, which serves as a sealing structure between the valve housing 400 and the valve core housing.
Therefore, all the parts are connected in a layer-by-layer overlapping mode, the installation is convenient, and the performance is reliable. In addition, the pressing operation is labor-saving, and the required hand feeling can be conveniently obtained through adjusting the diameter of the connecting rod and the force value of the spring.
The motion control mechanism described above will be described below by way of example. One part of the motion control mechanism is arranged on the pressure lever 101, the other part of the motion control mechanism is connected with the fixing part 107, the fixing part 107 is provided with a central hole for the pressure lever 101 to pass through, and the fixing part 107 is fixedly connected with the switch shell 100 through a connecting structure; the structure of the motion control mechanism on the fixing part 107 can be a stop hook 109 fixed together with the fixing part through a coil spring 108, and the structure on the pressure lever 101 can be a front gear 72 and a rear gear 71 which are arranged on the surface of the pressure lever 101, a first one-way sliding groove of a stop hook part which enables the pressure lever 101 to move from the rear gear in cooperation with a hook part of the stop hook 109 to the front gear in cooperation with the stop hook part of the stop hook, and a second one-way sliding groove which enables the pressure lever 101 to move from the front gear in cooperation with the stop hook part of the stop hook to the rear gear in cooperation with the stop hook part of the stop hook; the first one-way sliding chute comprises a backward first slide way section 81 starting from a rear gear and a second slide way section 82 connected with the first slide way section and leading to a front gear; the second unidirectional runner comprises a third ramp section 83 starting from the front gear and a forward fourth ramp section 84 connected to the third ramp section, which is in contact with the first ramp or connected to the rear gear.
The one-way relative movement between the sliding groove and the hook part of the stop hook can be realized through the groove wall design of the sliding groove and the groove bottom design of the sliding groove. The scheme is as follows: the first slideway section is connected with the second slideway section in a step shape, and at the joint 91, the bottom surface of the second slideway section is lower than that of the first slideway section; the third slideway section is connected with the fourth slideway section in a step shape, and the bottom surface of the fourth slideway section is lower than that of the third slideway section at the joint 92; the second ramp section has a downward step 93 near the lower gear to connect with the third ramp section; the fourth ramp section is connected to the first ramp section in a step-like manner, with the trough bottom surface of the first ramp section being lower than the trough bottom surface of the fourth ramp section at the junction 94.
It should be noted that the motion control mechanism is not a part of the improvement of the present invention, which is a prior art, and the above description is only an example thereof, and is not intended to limit the scope of the motion control mechanism of the present invention. In addition, the pressure lever 101 is connected to a button cover 110 outside the valve body structure.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "inside", "horizontal", "end", "length", "outer end", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. The terms "first" and "second" are also used for brevity of description only and do not indicate or imply relative importance.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (10)
1. The press switch type angle valve comprises a valve shell and a valve core structure, wherein the valve core structure comprises a press switch and a valve core, the press switch comprises a press rod with a certain length and a motion control mechanism, the motion control mechanism is provided with a spring, and the motion control mechanism provides a front stop position and a rear stop position for the press rod along a pressed direction;
the valve core is arranged in the valve core shell, the valve core is provided with a valve core water outlet, and the valve core shell is provided with a water outlet and a water inlet;
the front end of the connecting rod is connected with the valve core, and the rear end of the connecting rod extends into the switch shell and is connected with the pressure rod through a connecting structure;
the valve core structure is provided with three sealing structures, the first sealing structure is a sealing structure between the valve core shell and the valve core and is arranged between the water inlet and the water outlet of the valve core shell, the second sealing structure is a sealing structure between the valve core shell and the valve core, when the valve is opened, the sealing state is released, when the valve is closed, the sealing state is realized, and the second sealing structure is arranged between the water outlet of the valve core shell and the water outlet of the valve core; the third sealing structure is a normally closed sealing structure and is used for separating a water-passing inner cavity of the valve core shell from the switch shell; and the number of the first and second electrodes,
when the valve is closed, between the second sealing structure and the third sealing structure, the space outside the valve core in the valve core structure is set as a water storage space, and the water storage space is communicated with the water inlet of the valve core shell through the water outlet of the valve core.
2. The push-to-switch type angle valve of claim 1, wherein the direction in which the pressing rod is pressed is a forward direction, the valve core housing is located in front of the switch housing, the water inlet of the valve core housing is located in front of the water outlet of the valve core housing, the second sealing structure is located behind the water inlet of the valve core housing, and the first sealing structure is located in front of the water inlet of the valve core.
3. The push switch type angle valve according to claim 1 or 2, wherein the switch housing and the valve core housing are connected together and disposed in a valve housing, the switch housing is provided with an external thread and is connected with the valve housing through the external thread, the valve housing is provided with a water inlet communicated with the water inlet of the valve core housing and a water outlet communicated with the water outlet of the valve core housing; and a sealing structure is arranged between the valve shell and the valve core shell, and a sealing structure is arranged between the valve shell and the switch shell so as to separate the water outlet of the valve core shell from the outside.
4. The push switch type angle valve of claim 3, wherein the switch housing and the valve core housing are respectively cylindrical in shape and are screwed together front and back, an outlet cylindrical component is arranged at the front end part of the valve core housing, the outlet cylindrical component is provided with an external thread and is connected with the front internal thread at the front end part of the valve core housing, and the sealing ring of the first sealing structure is clamped through the threaded connection; the sealing ring of the first sealing structure is provided with an installation part which is of a T-shaped cross section structure and seals between the front end part of the valve core shell and the water outlet barrel body part through the T-shaped cross section structure; and a sealing ring mounting groove is arranged on the outer side of the water outlet barrel body part and is used for mounting a sealing ring serving as a sealing structure between the valve shell and the valve core shell.
5. The push-to-switch type angle valve of claim 1 or 2, wherein the valve core is of a cylindrical structure, the top of the valve core cylinder is connected with the connecting rod, and the top of the valve core cylinder is provided with the valve core water outlet.
6. The angle valve as claimed in claim 1 or 2, wherein the switch housing and the valve core housing are respectively cylindrical and connected together in a front-to-back manner, and the third sealing structure comprises a sealing ring seat having a central hole for the connection rod to pass through, and a sealing ring seating groove surrounding the central hole, and the sealing ring is in sealing engagement with the connection rod.
7. The push switch type angle valve of claim 6, wherein the bottom of the switch housing is provided with a bottom plate, the bottom plate is provided with a center hole for the connection rod to pass through, the seal ring seat comprises a cylindrical portion and a top portion and is supported by the valve core housing through the cylindrical portion, the top portion is provided with a center hole of the seal ring seat, one side of the top portion facing the bottom plate of the switch housing is provided with the seal ring receiving groove, and the seal ring of the third seal structure is fixed by being matched with the bottom plate of the switch housing.
8. The push-to-switch type angle valve of claim 1 or 2, wherein the switch housing and the valve core housing are respectively cylindrical and are screwed together;
the sealing ring seat comprises a through cylinder body and a top, the sealing ring seat is supported by the valve core shell through the cylinder-shaped part and is tightly pressed against the sealing ring seat through the threaded connection of the switch shell and the valve core shell, and the sealing ring of the second sealing structure is clamped between the bottom of the sealing ring seat and the valve core shell and simultaneously seals the cylinder-shaped part of the sealing ring seat, the valve core shell and the switch shell.
9. The push-to-switch type angle valve of claim 8, wherein the rear cylinder of the valve core housing is threadedly coupled to the front end of the switch housing, and a groove of a seal ring mounting portion of the second seal structure is provided inside the rear cylinder, the seal ring mounting portion having a t-shaped cross-sectional structure and being clamped by the valve core housing, the front end of the switch housing, and the cylindrical portion of the seal ring seat, and sealing between the cylindrical portion of the seal ring seat and the valve core housing, and the switch housing by the t-shaped cross-sectional structure.
10. The angle valve as claimed in claim 1 or 2, wherein a bottom plate is provided at the bottom of the switch housing, an external thread is provided at the front end of the pressure lever, the connecting rod is connected to the pressure lever through a nut, the spring is provided between the bottom plate of the switch housing and the nut, and the rear end of the connecting rod is fixedly connected to the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011028049.XA CN114278752A (en) | 2020-09-26 | 2020-09-26 | Push switch type angle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011028049.XA CN114278752A (en) | 2020-09-26 | 2020-09-26 | Push switch type angle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114278752A true CN114278752A (en) | 2022-04-05 |
Family
ID=80867506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011028049.XA Pending CN114278752A (en) | 2020-09-26 | 2020-09-26 | Push switch type angle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114278752A (en) |
-
2020
- 2020-09-26 CN CN202011028049.XA patent/CN114278752A/en active Pending
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