CN203839276U - Water purifier and pressure adjusting switch thereof - Google Patents
Water purifier and pressure adjusting switch thereof Download PDFInfo
- Publication number
- CN203839276U CN203839276U CN201420253328.XU CN201420253328U CN203839276U CN 203839276 U CN203839276 U CN 203839276U CN 201420253328 U CN201420253328 U CN 201420253328U CN 203839276 U CN203839276 U CN 203839276U
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- China
- Prior art keywords
- seesaw
- post
- rubber ring
- pressure regulating
- pressure
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Abstract
The utility model provides a water purifier and a pressure adjusting switch thereof, which comprises a pressure sealing rubber ring, a transmission column, a seesaw, a switch button and a return spring. The pressure sealing rubber ring is provided with a pressure tank, and the sealing surface of the pressure tank is in the form of a creased surface with creases capable of stretching under the effect of the hydraulic pressure. The transmission column is arranged below the pressure sealing rubber ring and the top of the pressure sealing rubber ring is positioned opposite to the middle part of the pressure sealing rubber ring. The seesaw is arranged below the transmission column and is positioned opposite to the bottom end of the transmission column. The switch button is arranged below the seesaw and the top of the switch button is positioned opposite to the seesaw. The switch button and the transmission column are in a staggered arrangement. The return spring is arranged to abut against the seesaw. The axial direction of the return spring is arranged along the movement direction of the transmission column. The sealing surface is in the form of a creased surface and the creases of the creased surface are capable of stretching when being extruded under the effect of the hydraulic pressure. In this way, the deflection of the sealing surface is increased. The down-shifting distance of the transmission column is larger than the down-shifting distance of the switch button, so that the bulging stroke of the middle part of the pressure sealing rubber ring is increased. That is to say, the pressure difference of the pressure switch is increased. Furthermore, the frequent start-up of the water pump of the water purifier can be avoided, and the water-storage capacity of the water purifier is increased. The service life of the water purifier is therefore prolonged.
Description
Technical field
The utility model relates to Mechanical Industry Technology field, particularly a kind of water purifier and pressure regulating switch thereof.
Background technology
The operation principle of pressure regulating switch; a kind of automatic controller that receives pressure signal and move in fact; it has pressure setting function; in the time that device systems pressure meets or exceeds pressure controller capping value; controller is automatic cut-off loop just, equipment is stopped and plays automatic protective effect, when system pressure lower than setting pressure under when limit value; controller is automatic processing circuit again, makes equipment recover normal work.
Existing pressure switch comprises wiper seal rubber ring and shift knob, wherein, the relative and contact in the middle part of one end of shift knob and wiper seal rubber ring, the other end of shift knob is connected with transmission mechanism.And wiper seal rubber is a kind of concrete form in pressure switch, in the time that hydraulic pressure reaches certain value, there is deformation in wiper seal rubber center, jut contacts with tube wall, thereby reach the disconnection to route, in the time that hydraulic pressure reduces, recover at wiper seal rubber center, jut separates with tube wall, thereby realizes the conducting to circuit.
The top seal face of existing wiper seal rubber is straight plane, with by seal seal process in, rely on hydraulic pressure to push wiper seal rubber, so that this wiper seal rubber deformation, its intermediate projections, part and then the pull switch button of wiper seal rubber ring intermediate projections are subjected to displacement, and then the other end of shift knob promotes transmission mechanism, realize the closure of switch by transmission mechanism, and then control the disconnection of current.In the time that tested hydraulic pressure reduces, the middle part of wiper seal rubber ring restores to the original state, shift knob recovers origin-location under the effect of transmission mechanism, i.e. and contact relative with the middle part of wiper seal rubber ring, and the other end of shift knob and transmission mechanism effect realize the unlatching of switch.
But so arrange, the relative also contact in middle part direct and wiper seal rubber ring, one end of shift knob, make will cause shift knob to be subjected to displacement as long as deformation occurs in the middle part of rubber ring, and then realize switch closure, the protruding stroke of middle part that is rubber ring is less, causes to such an extent that the pressure nominal value of this pressure switch is less.
Therefore, how effectively increasing the protruding stroke of the middle part of rubber ring, is the current technical issues that need to address of those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of pressure regulating switch, to increase the protruding stroke of middle part of rubber ring.Another object of the present utility model is to provide a kind of water purifier with above-mentioned pressure regulating switch.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of pressure regulating switch, it comprises housing, through contact, the wiper seal rubber ring of described housing, take off post, seesaw and shift knob and be connected the back-moving spring of described seesaw and described housing, wherein:
The sealing surface of the head tank of described wiper seal rubber ring is the fold face with the fold that the water pressure of being subject to can unfold;
Described taking off post is positioned at the below of described wiper seal rubber ring, and its top is relative with the middle part of described wiper seal rubber ring;
Below and relative with the bottom that takes off post takes off post described in described seesaw is positioned at;
Described shift knob be positioned at described seesaw below and its top relative with described seesaw, and described shift knob with take off post the setting that is staggered;
Described back-moving spring and described seesaw butt, and it is axially along the described moving direction setting taking off post.
Preferably, in above-mentioned pressure regulating switch, described sealing surface comprises inner ring flat face and the outer ring fold ring of arranged concentric.
Preferably, in above-mentioned pressure regulating switch, described head tank is step groove, and the diameter in the stage of appearing on the stage of close described sealing surface is greater than the diameter away from the leave from office stage of described sealing surface.
Preferably, in above-mentioned pressure regulating switch, described shift knob and take off post and be column, and the axis of described shift knob with described in the axis that takes off post be parallel to each other.
Preferably, in above-mentioned pressure regulating switch, described back-moving spring is positioned at described seesaw below, and its top is fixedly connected with one end of described seesaw, and the other end of described seesaw is unsettled or be articulated with on the body of described pressure switch.
Preferably, in above-mentioned pressure regulating switch, described in take off post between described back-moving spring and shift knob.
Preferably, in above-mentioned pressure regulating switch, described in the top that takes off post contact with the middle part of described wiper seal rubber ring, and the top of described shift knob contacts with described seesaw.
Preferably, in above-mentioned pressure regulating switch, also comprise with described housing laminating and arranging, and sealing shroud is located at the flexible waterproof sealing gasket in described contact outside.
Preferably, in above-mentioned pressure regulating switch, also comprise the fire proofing plate with fire retardation that covers described shell inner surface.
A kind of water purifier, comprises pressure regulating switch, and wherein, described pressure regulating switch is the pressure regulating switch described in above-mentioned any one.
The utility model provides a kind of pressure regulating switch, comprise shell, through contact, the wiper seal rubber ring of shell, take off post, seesaw is with shift knob and be connected seesaw and the back-moving spring of shell, wherein: the sealing surface of the head tank of wiper seal rubber ring is the fold face with the fold that the water pressure of being subject to can unfold; Take off post and be positioned at the below of wiper seal rubber ring, and its top is relative with the middle part of wiper seal rubber ring; Seesaw is positioned at the below and relative with the bottom that takes off post that takes off post; Shift knob be positioned at seesaw below and its top relative with seesaw, and shift knob with take off post the setting that is staggered; Back-moving spring and seesaw butt, and it is axially along the moving direction setting taking off post.
Be set to fold face by sealing surface, this wiper seal rubber ring in use hydraulic pressure pushes this wiper seal rubber ring, comes thereby fold is unfolded, and has increased deflection.In addition, in the time that tested hydraulic pressure reaches rated value, the wiper seal rubber ring middle part projection of pressure switch, because the top taking off post is relative with the middle part of wiper seal rubber ring, therefore when wiper seal rubber ring middle part is protruding, can promote to take off post to move down, and it is relative with the upside of seesaw to take off post, therefore the position corresponding thereto that the movement that takes off post promotes seesaw simultaneously moves down, due to shift knob and the setting that is staggered that takes off post, therefore the power putting on seesaw that takes off post can't be directly passed to shift knob, but when the moving down with the relative position that takes off post of seesaw, seesaw can run-off the straight and taking the top of shift knob as fulcrum tilts, seesaw with take off post relative position gradually in folding process, the suffered power in top of shift knob increases gradually, until the suffered power in the top of shift knob is enough to drive transmission mechanism, be that the promotion that shift knob is subject to seesaw moves down and drive transmission mechanism.In addition, seesaw stretches or compression reseting spring in the time moving down, and in the time that wiper seal rubber ring restores to the original state, restores to the original state because the elastic force of back-moving spring drives seesaw.So arrange, the distance moving down takes off post, the distance that is the middle part projection of wiper seal rubber ring is greater than the distance that shift knob moves down, and has increased accordingly the stroke of the middle part projection of wiper seal rubber ring, and then has increased the rated pressure of this pressure switch.
The utility model also provides a kind of water purifier, and it comprises pressure regulating switch, and this pressure regulating switch is above-mentioned disclosed pressure regulating switch, and therefore, the water purifier with this pressure regulating switch also has above-mentioned technique effect.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of pressure regulating switch that Fig. 1 provides for the utility model embodiment;
The structural representation of the wiper seal rubber ring that Fig. 2 provides for the utility model embodiment.
Embodiment
Core of the present utility model is to provide a kind of pressure regulating switch, to increase the protruding stroke of middle part of rubber ring.Another core of the present utility model is to provide a kind of water purifier with above-mentioned pressure regulating switch.
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with drawings and embodiments, the utility model is described in further detail.
Please refer to shown in Fig. 1 and Fig. 2, the utility model embodiment discloses a kind of pressure regulating switch, comprise shell 6, through contact, the wiper seal rubber ring 3 of shell 6, take off post 4, seesaw 1 and shift knob 2 and be connected the back-moving spring 5 of seesaw 2 and shell, wherein: the sealing surface of the head tank of wiper seal rubber ring 3 is the fold face with the fold that the water pressure of being subject to can unfold; 4 belows that are positioned at wiper seal rubber ring 3 that take off post, and its top is relative with the middle part of wiper seal rubber ring 3; Seesaw 1 is positioned at 4 belows and relative with 4 bottoms that take off post that take off post; Shift knob 2 be positioned at seesaw 1 below and its top relative with seesaw 1, and shift knob 2 and 4 settings that are staggered that take off post; Back-moving spring 5 and seesaw 1 butt, and it is axially along taking off post 4 moving direction setting.
Be set to fold face by sealing surface, this wiper seal rubber ring 3 in use hydraulic pressure pushes this wiper seal rubber ring 3, comes thereby fold is unfolded, and has increased deflection.In addition, in the time that tested hydraulic pressure reaches rated value, the wiper seal rubber ring 3 middle part projections of pressure switch, because 4 the top of taking off post is relative with the middle part of wiper seal rubber ring 3, therefore in 3 middle parts whens projection of wiper seal rubber ring, can promote to take off post and 4 move down, and it is 4 relative with the upside of seesaw 1 to take off post, therefore take off post and 4 move the position corresponding thereto that simultaneously promotes seesaw 1 and move down, due to shift knob 2 and 4 settings that are staggered that take off post, therefore 4 power that put on seesaw 1 that take off post can't be directly passed to shift knob 2, but when the moving down with the 4 relative positions that take off post of seesaw 1, seesaw 1 can run-off the straight and taking the top of shift knob 2 as fulcrum tilts, seesaw 1 with take off post 4 relative positions gradually in folding process, the suffered power in top of shift knob 2 increases gradually, until the suffered power in the top of shift knob 2 is enough to drive transmission mechanism, be that the promotion that shift knob 2 is subject to seesaw 1 moves down and drive transmission mechanism.In addition, seesaw 1 stretches or compression reseting spring 5 in the time moving down, and in the time that wiper seal rubber ring 3 restores to the original state, restores to the original state because the elastic force of back-moving spring 5 drives seesaw 1.So arrange, 4 distances that move down take off post, the distance that is the middle part projection of wiper seal rubber ring 3 is greater than the distance that shift knob 2 moves down, and has increased accordingly the stroke of the middle part projection of wiper seal rubber ring 3, and then has increased the rated pressure of this pressure switch.
Wherein, shift knob 2 and take off post and 4 can be column, and the axis of shift knob 2 is parallel to each other with 4 the axis of taking off post, the axis that is shift knob 2 is greater than zero and parallel with the distance between 4 the axis of taking off post, so arrange and ensured shift knob 2 and 4 the position of the taking off post setting of mutually staggering, and column structure is convenient to the conduction of power more.Certainly, shift knob 2 and to take off post 4 can also be other structure, does not limit at this.
In specific embodiment, the sealing surface of this wiper seal rubber ring 3 is set to circular seal face; only be to provide a kind of wiper seal rubber ring 3 of concrete shape sealing surface herein; can be in protection range, as long as the shape requiring with pressure regulating switch is consistent for square or oval-shaped sealing surface.
Sealing surface in the application specifically comprises inner ring flat face 31 and the outer ring fold ring 32 of arranged concentric, thereby the outside that this fold ring 32 is set in flat face 31 forms whole sealing surface.In the application, the inner ring of sealing surface is set to flat face 31 whole sealing surface is supported by this flat face 31, prevents that center under Action of Gravity Field, deformation occurring, and affects the normal circulation of current.Can select according to actual requirement for this flat face 31 and the ratio of fold ring 32, and all in protection range.
In preferred embodiment, fold face is set to waveform fold face, particularly, is arc wavy surface, so that sealing face is processed.It will be appreciated by persons skilled in the art that in practice, the fold face of other shapes also can be set, as long as unfolding under the extruding of extruding force.
On the basis of technique scheme, above-mentioned head tank is also set to circular recess, preferred, whole wiper seal rubber ring 3 is rubber ring.
Further, in embodiment, head tank is set to step groove, to improve this wiper seal rubber ring 3 and by the connective stability between seal.Particularly, this step groove is greater than the diameter away from the leave from office stage of sealing surface near the diameter in the stage of appearing on the stage of sealing surface.The effect that sticks into by the stage of leaving office realizes by the stable installation of seal.
Preferably, seesaw 1 can be along horizontal direction setting, take off post 4 bottom can be fixedly connected with seesaw 1, and 4 the bottom of so can preventing from taking off post promotes to occur when seesaw 1 moves down the situation of dislocation, and seesaw 1 is horizontally disposed with and makes the structure of this pressure switch more succinct.Certainly, take off post 4 bottom also can with seesaw 1 butt, seesaw 1 also can be obliquely installed slightly, in this no limit.
In addition, back-moving spring 5 can be positioned at seesaw 1 below, and the top of back-moving spring 5 is fixedly connected with one end of seesaw 1, the other end of seesaw 1 is unsettled or be articulated with on the body of pressure switch, in the time that the 4 promotion seesaws 1 that take off post move down, one end compression reseting spring 5 of seesaw 1, the other end perk of seesaw 1 or rotate around jointed shaft, final seesaw 1 run-off the straight presses down shift knob 2.In the time that tested hydraulic pressure reduces, the middle part of wiper seal rubber ring 3 restores to the original state, wiper seal rubber ring 3 no longer to take off post 4 and seesaw 1 apply power, now seesaw 1 restores to the original state under the elastic force effect of back-moving spring 5.Further, taking off post 4 can be between back-moving spring 5 and shift knob 2, shift knob 2 take off post 4 and the other end of seesaw 1 between, shift knob 2 should be greater than zero apart from the distance of one end that does not connect back-moving spring 5 of seesaw 1.
Certainly, back-moving spring 5 also can be positioned at the top of seesaw 1, does not limit at this.
In addition, in order wiper seal rubber ring 3 to be pressed down take off post to ensure to take off post 4 stress equalization at 4 o'clock, 4 the face relative with wiper seal rubber ring 3 of taking off post can be plane.The face relative with seesaw 1 of shift knob 2 is spherical, like this can increase accordingly the pressure on the top of shift knob 2.
Certainly, take off post 4 the face relative with wiper seal rubber ring 3 and the face relative with seesaw 1 of shift knob 2 can also not limit at this for different in nature face.
Further, take off post 4 top can contact with the middle part of rubber ring 3, and the top of shift knob 2 can contact with seesaw 1, certainly take off post and also can leave gap between 4 top and the middle part of wiper seal rubber ring 3, the top of shift knob 2 can and seesaw 1 between also can leave gap, can select according to actual conditions.
In addition, the pressure switch in the application also comprises with 6 laminatings of above-mentioned housing arranges, and sealing shroud is located at the flexible waterproof sealing gasket 7 in contact outside.By sheathed flexible waterproof sealing gasket 7 outside contact, and this waterproof sealing gasket 7 is fitted on housing 6, can seal through the position of housing 6 contact by this waterproof sealing gasket 7, because having elasticity, this waterproof sealing gasket 7 can ensure the effect sealing, thereby reach the waterproof to pressure regulating switch inside, the requirement of vapor-proof, the useful life of having improved this pressure regulating switch.
Further, in the application, disclosed pressure regulating switch also comprises the fire proofing plate with fire retardation that covers housing 6 inner surfaces.Inner surface by housing 6 covers fire proofing plate can prevent that pressure regulating switch from causing the problem that inflammable housing 6 is lighted in the time of internal circuit short circuit, thereby has reduced the potential safety hazard of this pressure regulating switch.
Based on the pressure switch providing in above-described embodiment, the utility model also provides a kind of water purifier, and this water purifier comprises any one pressure switch in above-described embodiment.Because this water purifier has adopted the pressure switch in above-described embodiment, so the beneficial effect of this water purifier please refer to above-described embodiment.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a pressure regulating switch, it is characterized in that, comprise housing (6), pass contact, wiper seal rubber ring (3), take off post (4), seesaw (1) and the shift knob (2) of described housing (6) and be connected described seesaw (1) and the back-moving spring (5) of described housing (6), wherein:
The sealing surface of the head tank of described wiper seal rubber ring (3) is the fold face with the fold that the water pressure of being subject to can unfold;
Described taking off post (4) is positioned at the below of described wiper seal rubber ring (3), and its top is relative with the middle part of described wiper seal rubber ring (3);
(4) below and relative with (4) bottom that takes off post takes off post described in described seesaw (1) is positioned at;
Described shift knob (2) be positioned at described seesaw (1) below and its top relative with described seesaw (1), and described shift knob (2) and take off post (4) setting that is staggered;
Described back-moving spring (5) and described seesaw (1) butt, and it is axially along the moving direction setting of described taking off post (4).
2. pressure regulating switch according to claim 1, is characterized in that, described sealing surface comprises inner ring flat face (31) and the outer ring fold ring (32) of arranged concentric.
3. pressure regulating switch according to claim 1, is characterized in that, described head tank is step groove, and the diameter in the stage of appearing on the stage of close described sealing surface is greater than the diameter away from the leave from office stage of described sealing surface.
4. according to the pressure regulating switch described in claim 1-3 any one, it is characterized in that, described shift knob (2) and take off post (4) are column, and the axis of described shift knob (2) with described in the take off post axis of (4) be parallel to each other.
5. pressure regulating switch according to claim 4, it is characterized in that, described back-moving spring (5) is positioned at described seesaw (1) below, and its top is fixedly connected with the one end of described seesaw (1), the other end of described seesaw (1) is unsettled or be articulated with on the body of described pressure switch.
6. pressure regulating switch according to claim 4, is characterized in that, described in take off post (4) be positioned between described back-moving spring (5) and shift knob (2).
7. pressure regulating switch according to claim 4, it is characterized in that, the top of described taking off post (4) contacts with the middle part of described wiper seal rubber ring (3), and the top of described shift knob (2) contacts with described seesaw (1).
8. pressure regulating switch according to claim 4, is characterized in that, also comprise with described housing (6) laminating and arranging, and sealing shroud is located at the flexible waterproof sealing gasket (7) in described contact outside.
9. pressure regulating switch according to claim 4, is characterized in that, also comprises the fire proofing plate with fire retardation that covers described housing (6) inner surface.
10. a water purifier, comprises pressure regulating switch, it is characterized in that, described pressure regulating switch is the pressure regulating switch described in the claims 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253328.XU CN203839276U (en) | 2014-05-16 | 2014-05-16 | Water purifier and pressure adjusting switch thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253328.XU CN203839276U (en) | 2014-05-16 | 2014-05-16 | Water purifier and pressure adjusting switch thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203839276U true CN203839276U (en) | 2014-09-17 |
Family
ID=51517086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420253328.XU Expired - Fee Related CN203839276U (en) | 2014-05-16 | 2014-05-16 | Water purifier and pressure adjusting switch thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203839276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009521A (en) * | 2018-09-12 | 2018-12-18 | 宁波和合美佳电器有限公司 | Electric tooth washing device without Friction water pump |
| CN113314380A (en) * | 2021-04-09 | 2021-08-27 | 江元(天长)科技股份有限公司 | Mechanical pressure switch structure convenient to debug and switching system |
-
2014
- 2014-05-16 CN CN201420253328.XU patent/CN203839276U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009521A (en) * | 2018-09-12 | 2018-12-18 | 宁波和合美佳电器有限公司 | Electric tooth washing device without Friction water pump |
| CN113314380A (en) * | 2021-04-09 | 2021-08-27 | 江元(天长)科技股份有限公司 | Mechanical pressure switch structure convenient to debug and switching system |
| CN113314380B (en) * | 2021-04-09 | 2023-06-27 | 江元(天长)科技股份有限公司 | Mechanical pressure switch structure and switch system convenient to debug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20180516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |