CN1293586C - Vernier fluid control switch - Google Patents
Vernier fluid control switch Download PDFInfo
- Publication number
- CN1293586C CN1293586C CNB031264786A CN03126478A CN1293586C CN 1293586 C CN1293586 C CN 1293586C CN B031264786 A CNB031264786 A CN B031264786A CN 03126478 A CN03126478 A CN 03126478A CN 1293586 C CN1293586 C CN 1293586C
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- CN
- China
- Prior art keywords
- fine adjustment
- control switch
- hole
- contact
- fluid control
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Abstract
The present invention relates to a fine adjustment type fluid control switch which comprises a body, a control component, a cover body, a rod body, a contact point assembly, a normally closed fixed sheet and a normally opened fixed sheet, wherein the body forms a T shape, and a flow channel is arranged in the body; a hole and an empty chamber which is communicated with the hole are arranged on the flow channel; the control component forms a U shape and is arranged in the holes of the flow channel of the body; the cover body forms the disk-shaped body and is arranged on the empty chamber of the body; a hole is arranged on the cover body; the tail end of the rod body is arranged on the control component, and the front end of the rod body can penetrate through the hole of the cover body; the contact point assembly is arranged on the front end of the rod body, and at least one normally closed contact point and at least one normally opened contact point are arranged on the rod body; the normally closed fixed sheet and the normally opened fixed sheet correspond to the normally closed contact point and the normally opened contact point. The control component can induce the flow state of fluid in the flow channel by means of the combination of the components; thus, the rod body and the contact point assembly can be driven; the output signals of the normally closed contact point and the normally opened contact point are changed; the contact point assembly can be designed into different modes and finely adjusted according to actual demands to provide precise signal output and control.
Description
Technical field
The present invention relates to a kind of fine adjustment type fluid control switch, be meant especially and can make different designs, can finely tune according to actual conditions again, and can be widely used in all-environment fine adjustment type fluid control switch according to different needs.
Background technology
The fluid delivery system of commonly using with Submersible Pump, suction pump and circulating pump etc., all can be installed fluid switch in the appropriate location in transfer pipeline, in order to obtain required fluid signal as well.
As shown in Figure 7, " the swing chip fluid switch " that provides for No. 267531 for the Taiwan patent announcement.When the flow of fluid hour, fluid can pass through from the space of 72 of hollow body 70 and swing sheets, and can't promote to swing sheet 72, and magnetic reed switch 71 no signals are exported.When the flow of fluid was big, swing sheet 72 was promoted by fluid just can, makes magnetic reed switch 71 output signals.
The design of this swing type fluid switch be with in, big flow is benchmark, at flow hour, 71 no signals outputs of magnetic reed switch, the environment for use that has promptly limited the swing type fluid switch like this.
As shown in Figure 8, " water pumper dally automatic shutoff control unit " that provides for No. 159577 for the Taiwan patent announcement.When fluid inflow control device 80, promote magnetite piston 81, make magnetite piston 81 leave the sphere of action of magnetic reed switch 82, magnetic reed switch 82 no signals are exported the entry into service of fluid pump (not shown).When no fluid in the control device 80 flowed, spring 83 pushed back the sphere of action of magnetic reed switch 82 with magnetite piston 81, makes magnetic reed switch 82 produce signals; At this moment, the resistance-type heater 84 on the control device 80 begins heating, until 85 temperature distortions of bimetallic temperature detect switch (TDS), backs down contact 86, and fluid pump is shut down.
This control device 80 can be detected FR flow, but can't adjust because of the sphere of action of magnetic reed switch 82, so the environment for use of control device 80 still is subjected to many restrictions.
In sum, fluid switch of commonly using or control device all have can't detect gamut flow or shortcoming that can't the corrective action scope, the inventor in view of this, be to think hard funiculus, active research, through constantly experiment improvement, and be aided with the experience of being engaged in Related product for many years, develop finally and the present invention.
Summary of the invention
The object of the present invention is to provide a kind of fine adjustment type fluid switch of detecting the gamut flow, its textural control member that is provided with can be according to the output of the big or small controlling signal of flow.
Another object of the present invention is to provide a kind of fine-tuning fine adjustment type fluid control switch, its textural contact unit that is provided with, this contact unit are provided with normally closed stator and often open stator; This two stator is provided with recess, with the contact of being located on the recess; This contact can be adjusted its position on recess by screw, to reach the purpose of fine setting.
Another purpose of the present invention is to provide a kind of all-environment fine adjustment type fluid control switch that is widely used in, its textural contact unit of establishing, this contact unit can be done the design of different length type body according to different needs, cooperate normally closed stator and the contact of often opening on the stator again, can be widely used in the various environment.
Technical solution of the present invention is as follows: a kind of fine adjustment type fluid control switch, it is characterized in that, comprising:
One body generally is the T font, in establish a runner, establish a hole and an empty chamber that communicates with this hole on this runner;
One control member generally is the ㄇ font, is located in the hole of runner of body, and the control member top is provided with spring;
One lid generally is discoid body, is located on the empty chamber of body, which is provided with a hole;
One barred body, end are located on the control member, and front end can pass the hole of lid;
One contact unit is located on the front end of barred body, which is provided with at least one normally closed contact and at least one normal opened contact, and corresponds to the normally closed stator of normally closed contact and normal opened contact and often open stator;
By the said elements combination, control member can be responded to the flow regime of fluid in the runner, drives barred body and contact unit, changes the output signal of normally closed contact and normal opened contact; And contact unit can be done different designs and fine setting according to actual needs, so that signal output more accurately and control to be provided.
In sum, the present invention can detect the gamut flow, can be according to the output of flow size controlling signal; Can not only increase and decrease the quantity of normally closed contact and normal opened contact according to need, export so that more signal to be provided, and can be used in the various environment widely; More can carry out the fine setting of contact unit and contact, so that more accurate correct signal output and control to be provided according to actual situation.
Description of drawings
Fig. 1 is a generalized section of the present invention.
Fig. 2 is the three-dimensional enlarged diagram of contact unit of the present invention.
Fig. 3 is the three-dimensional generalized section of protecting cover of the present invention.
The generalized section of Fig. 4 during for low discharge of the present invention.
Fig. 5 is the generalized section during flow among the present invention.
The generalized section of Fig. 6 during for high flow capacity of the present invention.
Fig. 7 is a generalized section of commonly using swing chip fluid switch.
Fig. 8 commonly uses the dally generalized section of automatic shutoff control unit of water pumper.
The figure number explanation:
10 ... body 11 ... runner
12 ... empty chamber 13 ... the hole
14 ... locating flange 20 ... control member
21 ... hole 22 ... steady rest
23 ... O type ring 24 ... spring
30 ... lid 31 ... screw
32 ... hole 33 ... groove
34 ... O type ring 35 ... cock body
36 ... protecting cover 37 ... location-plate
40 ... barred body 41 ... terminal
42 ... front end 43 ... stop lug
44 ... nut 50 ... contact unit
51 ... normally closed contact 52 ... normal opened contact
53 ... normally closed stator 54 ... often open stator
55 ... locating channel 56 ... recess
57 ... contact 58 ... screw
70 ... hollow body 71 ... magnetic reed switch
72 ... swing sheet 80 ... control device
81 ... magnetite piston 82 ... magnetic reed switch
83 ... spring 84 ... the resistance-type heater
85 ... bimetallic temperature detect switch (TDS) 86 ... contact
Embodiment
Referring to Fig. 1, the invention provides a kind of fine adjustment type fluid control switch, comprising a body 10, generally be the T font, in establish a runner 11; This runner is provided with a hole 13; And a control member 20, generally be the ㄇ font, be located in the hole 13 of runner 11; And a lid 30, be located at body 10 tops, which is provided with a hole 32; And a barred body 40, terminal 41 are located on the control member 20, and front end 42 passes the hole 32 of lid 30; And a contact unit 50, be located on the front end 42 of barred body 40; By said elements, during use, can accurately finely tune the position of contact unit 50, to obtain more accurate signal output, make fluid control switch can be used in various environment widely.Below will know clearly and give explanation.
As shown in Figure 1, be fine adjustment type fluid control switch of the present invention,, generally be the T font comprising a body 10, in establish a runner 11, pass through for fluid; This runner 11 is provided with a hole 13, and an empty chamber 12 that communicates with hole 13; This hole 13 is provided with locating flange 14; And a control member 20, generally be the ㄇ font, be located in the hole 13 on the runner 11, in order to flowing of induction fluid; Its central authorities are provided with a hole 21; The below is provided with some steady rests 22, but the stability when retentive control member 20 moves, and fluid can be flowed in 22 of steady rests; And a lid 30, generally be discoid body, be located on the empty chamber 12 of body 10, and set firmly with screw 31 and body 10 and to be integral; These lid 30 central authorities are provided with a hole 32, and a groove 33 that communicates with hole 32; And a barred body 40, terminal 41 are arranged in the hole 21 of control member 20, which is provided with a stop lug 43, can limit the displacement of barred body 40; Its front end 42 can pass the hole 32 of lid 30; An and contact unit 50, be located on the front end 42 of barred body 40, the below is provided with a fixture, this fixture can be a fastener or nut (not shown), can adjust the also position of fixed contact assembly 50, which is provided with at least one normally closed contact 51 and at least one normal opened contact 52, and correspond to the normally closed stator 53 of normally closed contact 51 and normal opened contact 52 and often open stator 54.
Wherein control member 20 is provided with O type ring 23, can make 20 of locating flange 14 and control members keep sealing, prevents to leak.This control member 20 is provided with a spring 24, and the action in order to restriction control member 20 remains in the hole 13 of body 10 control member 20, can not break away from.
Be provided with an O type ring 34 and cock body 35 in the groove 33 of lid 30, can avoid escape of liquid.This lid 30 is provided with a protecting cover 36, makes lid 30 tops form the chamber; Be provided with location-plate 37 in this protecting cover 36.
The end 41 of barred body 40 is provided with screw thread, can utilize a nut 44 that barred body 40 is fixedly arranged on the control member 20.
Shown in Fig. 2～3, normally closed contact 51 on the contact unit 50 is arranged on the contact unit 50 with normal opened contact 52, and contact unit 50 is provided with locating channel 55, can cooperate the location-plate 37 in the protecting cover 36, makes the contact unit 50 can be because of not rocking the off-center position when mobile.This normally closed stator 53 is fixedly arranged on the lid 30 with the end of often opening stator 54; Front end is provided with a recess 56, can be connected with a contact 57.
Wherein normally closed stator 53 is fixedly arranged on normally closed stator 53 and the recess 56 of often opening stator 54 with the contact of often opening on the stator 54 57 with screw 58; When installing, can do fine setting according to environmental demand, make signal output more accurate.
As shown in Figure 1, when fluid did not flow, control member 20 can not move, and spring 24 remains on the locating flange 14 control member 20; This moment, normally closed contact 51 contacted with contact 57 on the normally closed stator 53, exported specific signal; And normal opened contact 52 does not contact with the contact 57 of often opening stator 54, no signal output.
As shown in Figure 4, when fluid flow was enough, fluid overcame spring 24, and control member 20 is pushed away locating flange 14, and fluid can be flowed out via empty chamber 12; Barred body 40 drives with contact unit 50 controlled members 20 and rises at this moment, and normally closed contact 51 still contacts with the contact 57 of normally closed stator 53, and normal opened contact 52 does not contact with the contact 57 of often opening stator 54 yet, no signal output.
As shown in Figure 5, when flow increased, control member 20 drove barred body 40 and rises with contact unit 50 is past again; This moment, normal opened contact 52 contacted with the contact 57 of often opening stator 54, normally closed stator 53 and often open all output signals of stator 54.
As shown in Figure 6, when reaching maximum stream flow, the stop lug 43 of barred body 40 can prop up the below of lid 30, makes control member 20 can not break away from locating flange 14 because of excessively rising; And contact unit 50 rises to peak because of the drive of barred body 40, and the normally closed contact 51 and the contact 57 of normally closed stator 53 are separated, stop signal output; Normal opened contact 52 keeps in touch with 57 of contacts often opening stator 54, makes signal continue output.
The present invention is for can be used in widely in the various environment, and normally closed contact 51 all can be done different settings according to the demand of environment for use with the quantity and the length of normal opened contact 52, to meet the demand of environment for use; Contact unit 50 can utilize fixture to adjust the position of contact unit 50 on barred body 40 with snapping or the solid mode of spiral shell, so that suitable output signal to be provided; And spring 24 also can have the replacing of varying strength, to change the start time of control member 20 and contact unit 50.
In sum, the present invention can not only increase and decrease the quantity of normally closed contact 51 and normal opened contact 52 according to need, so that more signal output to be provided, and can be used in the various environment widely, more can carry out the fine setting of contact unit 50 and contact 57, so that more accurate correct signal output and control to be provided according to actual situation.
Claims (13)
1. a fine adjustment type fluid control switch is characterized in that, comprising:
One body generally is the T font, in establish a runner, establish a hole and an empty chamber that communicates with this hole on this runner;
One control member generally is the ㄇ font, is located in the hole of runner of body, and the control member top is provided with spring;
One lid generally is discoid body, is located on the empty chamber of body, which is provided with a hole;
One barred body, end are located on the control member, and front end can pass the hole of lid;
One contact unit is located on the front end of barred body, which is provided with at least one normally closed contact and at least one normal opened contact, and corresponds to the normally closed stator of normally closed contact and normal opened contact and often open stator;
By the said elements combination, control member can be responded to the flow regime of fluid in the runner, drives barred body and contact unit, changes the output signal of normally closed contact and normal opened contact; And contact unit can be done different designs and fine setting according to actual needs, so that signal output more accurately and control to be provided.
2. fine adjustment type fluid control switch according to claim 1 is characterized in that the hole of body is provided with locating flange.
3. fine adjustment type fluid control switch according to claim 1 is characterized in that control member central authorities are provided with a hole.
4. fine adjustment type fluid control switch according to claim 1 is characterized in that, the control member below is provided with steady rest.
5. fine adjustment type fluid control switch according to claim 1 is characterized in that control member is provided with O type ring.
6. fine adjustment type fluid control switch according to claim 1 is characterized in that lid is provided with a groove, communicates with the hole of lid.
7. fine adjustment type fluid control switch according to claim 6 is characterized in that, establishes the fixedly cock body of O type ring of an O type ring and in the groove.
8. fine adjustment type fluid control switch according to claim 1 is characterized in that, establishes a protecting cover on the lid; Be provided with some location-plates in this protecting cover.
9. fine adjustment type fluid control switch according to claim 1 is characterized in that barred body is provided with a stop lug.
10. fine adjustment type fluid control switch according to claim 1 is characterized in that the end of barred body is provided with screw thread, and available nut is fixedly arranged on the control member.
11. fine adjustment type fluid control switch according to claim 8 is characterized in that contact unit is provided with some locating channels, to cooperate the location-plate in the protecting cover.
12. fine adjustment type fluid control switch according to claim 1 is characterized in that, normally closed stator with often open the stator front end and be provided with recess; This recess is provided with contact.
13. fine adjustment type fluid control switch according to claim 1 is characterized in that, the contact unit below is provided with a fixture, in order to adjust the position of contact unit on barred body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031264786A CN1293586C (en) | 2003-09-28 | 2003-09-28 | Vernier fluid control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031264786A CN1293586C (en) | 2003-09-28 | 2003-09-28 | Vernier fluid control switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1601681A CN1601681A (en) | 2005-03-30 |
| CN1293586C true CN1293586C (en) | 2007-01-03 |
Family
ID=34658825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031264786A Expired - Fee Related CN1293586C (en) | 2003-09-28 | 2003-09-28 | Vernier fluid control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1293586C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697331B (en) * | 2009-10-30 | 2013-04-17 | 福州斯狄渢电热水器有限公司 | Water flow starting switch device |
| WO2016109798A1 (en) * | 2014-12-31 | 2016-07-07 | Terrapower, Llc | Automatic hydropneumatic actuation device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2131197Y (en) * | 1992-04-21 | 1993-04-28 | 姜宏金 | Pressure switch |
| CN2149682Y (en) * | 1993-02-17 | 1993-12-15 | 姚雍军 | Protection device operated by interruption of water |
| JPH07230746A (en) * | 1993-07-14 | 1995-08-29 | Texas Instr Japan Ltd | Pressure switch |
| EP0883147A2 (en) * | 1997-06-03 | 1998-12-09 | Vimatic S.r.l. | Hydraulic or pneumatic pressure differential electric switch |
-
2003
- 2003-09-28 CN CNB031264786A patent/CN1293586C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2131197Y (en) * | 1992-04-21 | 1993-04-28 | 姜宏金 | Pressure switch |
| CN2149682Y (en) * | 1993-02-17 | 1993-12-15 | 姚雍军 | Protection device operated by interruption of water |
| JPH07230746A (en) * | 1993-07-14 | 1995-08-29 | Texas Instr Japan Ltd | Pressure switch |
| EP0883147A2 (en) * | 1997-06-03 | 1998-12-09 | Vimatic S.r.l. | Hydraulic or pneumatic pressure differential electric switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1601681A (en) | 2005-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070103 Termination date: 20100928 |