CN205657011U - Heavy load pressure switch - Google Patents
Heavy load pressure switch Download PDFInfo
- Publication number
- CN205657011U CN205657011U CN201620414748.0U CN201620414748U CN205657011U CN 205657011 U CN205657011 U CN 205657011U CN 201620414748 U CN201620414748 U CN 201620414748U CN 205657011 U CN205657011 U CN 205657011U
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- China
- Prior art keywords
- stationary contact
- housing
- contact
- pressure switch
- push rod
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Abstract
The utility model relates to a heavy load pressure switch, comprises a housin, the casing is a hollow cylinder structure, installs the switch module in the cavity of casing, the flexible sheet is installed to the front end of casing, and the wire is installed to the tail end, the switch module includes a pair of static mechanism and the action mechanism who just mutually supports that install on the casing cavity, static mechanism includes a stationary contact, and this stationary contact is fixed mutually through a stationary contact mount pad and casing, still is provided with an elasticity reed that is used for fixed stationary contact on the stationary contact mount pad, action mechanism includes a movable contact, and this movable contact is fixed mutually through a movable contact mount pad and casing, one installs the copper sleeve at the lower extreme of casing. The utility model has the advantages of: the installation of stationary contact is through increasing by an elasticity reed for the movable contact can provide a cushion effect when the contact stationary contact, effectual reduction contact is trembled and is caused the life of the phenomenon of burning of contact, so as to extension global switch.
Description
Technical field
This utility model relates to a kind of pressure switch, particularly to a kind of heavy load pressure switch.
Background technology
Pressure transducer uses high accuracy, the pressure transducer of high stable performance and transmission circuit, then through dedicated cpu mould
Massing signal processing technology, it is achieved to the detection of pressure medium signal, show, report to the police and control signal output.Pressure switch can
To be widely used in the fields such as oil, chemical industry, metallurgy, electric power, water supply various gases, the gauge pressure of liquid, the measurement control of absolute pressure
System, is industry spot preferable intelligent measurement and control instrument.
Pressure system in existing large complicated refrigeration system can use pressure controller, and current existing a open in usual
Pressure switch, in order to meet the demand of heavy load (i.e. electric current is big, pressure is big), its movable contact, stationary contact and fix accordingly
It is bigger that the meeting of pin is done, and this pressure switch its open and close during, install stationary contact fixing pin use
It is stationary structure, and the fixing pin installing movable contact uses elastic construction, therefore when movable contact contact stationary contact
Can produce and tremble, and easily cause contact point and burn phenomenon, reduce the service life of pressure switch.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of can effectively reduce and trembles, increases the service life
Heavy load pressure switch.
For solving above-mentioned technical problem, the technical solution of the utility model is: a kind of heavy load pressure switch, its innovative point
It is: include
One housing, described housing is a hollow cylinder structure, is provided with switch module, described housing in the cavity of housing
Front end one flexible sheet that is connected with switch module is installed, tail end is provided with the wire being connected with switch module, in housing
It is filled with epoxy glue；
Described switch module includes a pair being arranged on housing hollow upper end and the static mechanism cooperated and actuating mechanism,
Described static mechanism includes a stationary contact, and this stationary contact is fixed with housing by a stationary contact mounting seat, installs at stationary contact
Being additionally provided with one for fixing the elastic spring of stationary contact on seat, one end of described elastic spring is connected with stationary contact, another
End is bolted in stationary contact mounting seat, and described actuating mechanism includes a movable contact, and this movable contact passes through a movable contact
Mounting seat fixes with housing, and described actuating mechanism is contacted realization by the actuator promotion being arranged in housing with stationary contact and presses
The keying of power switch；
One copper sleeve, described copper sleeve is arranged on the lower end of housing.
Further, described actuator includes a push rod guide pad, and the medium position at push rod guide pad is provided with one
Running through the push rod of push rod guide pad from top to bottom, described push rod matches with movable contact and realizes the keying of pressure switch, at push rod
The lower end of guide pad is sequentially installed with convex bud pressing plate, flat clamp, diaphragm and butterfly seat, and the lower end of described butterfly seat is fixed by one
Circle fixes with housing, and the bottom of butterfly seat is welded and fixed with copper sleeve.
Further, described pressure switch is single-pole single-throw(SPST or single-pole double throw.
Further, described flexible sheet is convoluted diaphragm or spring diaphragm.
The utility model has the advantage of: in this utility model, the installation of stationary contact is by increasing by an elastic spring so that
Movable contact is when contacting stationary contact, using the teaching of the invention it is possible to provide a cushion effect, utilizes this cushion effect effectively to reduce contact and trembles and make
Become contact burns phenomenon such that it is able to extend the service life of global switch.
Pressure switch in this utility model is applicable to the pressure switch open in usual of single-pole single-throw(SPST or single-pole double throw.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of single-pole single-throw(SPST pressure switch open in usual in this utility model.
Fig. 2 is the schematic diagram of single-pole double throw pressure switch in this utility model.
Fig. 3 is the scheme of installation of the stationary contact of pressure switch open in usual in this utility model.
Fig. 4 is the schematic diagram of reed in this utility model.
Fig. 5 is the side view of stationary contact mounting seat in this utility model.
Fig. 6 is the top view of stationary contact mounting seat in this utility model.
Detailed description of the invention
The following examples can make professional and technical personnel that this utility model is more fully understood, but the most therefore will
This utility model is limited among described scope of embodiments.
Explaining as a example by single-pole single-throw(SPST pressure switch open in usual, a kind of heavy load pressure as shown in Figure 1 is opened
Close, including housing 1, switch module and copper sleeve 2.
Housing 1 is a hollow cylinder structure, is provided with switch module in the cavity of housing 1, installs in the front end of housing 1
The flexible sheet 3 that one is connected with switch module, this flexible sheet 3 can use convoluted diaphragm, it is possible to uses flexible sheet, at housing
The tail end of 1 is provided with the wire being connected with switch module, and wire is fixed with housing 1 by conducting wire mounting seat 4, conducting wire mounting seat
It is welded and fixed between 4 and housing 1, in housing 1, is filled with epoxy glue.
Switch module includes a pair being arranged on housing 1 cavity upper end and the static mechanism cooperated and actuating mechanism.
Static mechanism includes a stationary contact 5, fixing as it is shown on figure 3, stationary contact 5 is installed by a stationary contact of stationary contact 5
Seat 9 fixes with housing 1, as shown in Figure 5, Figure 6, is additionally provided with one for fixing the bullet of stationary contact 5 in stationary contact mounting seat 9
Property reed 8, as shown in Figure 4, one end of elastic spring 8 is connected with stationary contact 5, and the other end is fixed on stationary contact by bolt 10
In mounting seat 9.
Actuating mechanism includes a movable contact 6, and this movable contact 6 is fixed on housing 1 by pin 7, and actuating mechanism is by installing
Actuator promotion in housing contacts the keying realizing pressure switch with stationary contact 5.
By the setting of elastic spring 8, after movable contact 6 touches stationary contact 5 under the effect of push rod 11, utilize elasticity
The elastic reaction of reed 8 itself so that movable contact 6 continues to advance a certain distance after withstanding stationary contact 5, and to stationary contact
5 one cushioning effects, improve the service life of stationary contact 5.
Actuator includes a push rod guide pad 12, and the medium position at push rod guide pad 12 is provided with one and passes through from top to bottom
Wearing the push rod 11 of push rod guide pad 12, push rod 11 matches with movable contact 6 and realizes the keying of pressure switch, at push rod guide pad 12
Lower end be sequentially installed with convex bud pressing plate 13, flat clamp 14, flexible sheet 3 and butterfly seat 4, the lower end of butterfly seat 4 is solid by one
Surely circle 15 fixes with housing, and what the medium position at convex bud pressing plate 13 with flat clamp 14 all had that an appearance push rod 11 passes leads to
Hole.
Copper sleeve 2 is positioned at the lower end of housing 1, and is welded and fixed with butterfly seat 4 phase.
In this utility model, pressure switch can be single-pole single-throw(SPST, as shown in Figure 1, it is also possible to for single-pole double throw, such as figure
Shown in 2.
Skilled person will appreciate that of the industry, this utility model is not restricted to the described embodiments, above-described embodiment and
Described in description, principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope,
This utility model also has various changes and modifications, and these changes and improvements both fall within claimed this utility model scope
In.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (4)
1. a heavy load pressure switch, it is characterised in that: include
One housing, described housing is a hollow cylinder structure, is provided with switch module, before described housing in the cavity of housing
End installs a flexible sheet being connected with switch module, and tail end is provided with the wire being connected with switch module, fills in housing
There is epoxy glue；
Described switch module includes a pair being arranged on housing hollow upper end and the static mechanism cooperated and actuating mechanism, described
Static mechanism includes a stationary contact, and this stationary contact is fixed with housing by a stationary contact mounting seat, in stationary contact mounting seat
Being additionally provided with one for fixing the elastic spring of stationary contact, one end of described elastic spring is connected with stationary contact, and the other end leads to
Crossing and be bolted in stationary contact mounting seat, described actuating mechanism includes a movable contact, and this movable contact is installed by a movable contact
Seat fixes with housing, and described actuating mechanism is contacted with stationary contact by the actuator promotion being arranged in housing and realizes pressure and open
The keying closed；
One copper sleeve, described copper sleeve is arranged on the lower end of housing.
Heavy load pressure switch the most according to claim 1, it is characterised in that: described actuator includes that a push rod guides
Block, the medium position at push rod guide pad is provided with a push rod running through push rod guide pad from top to bottom, and described push rod touches with dynamic
Point matches and realizes the keying of pressure switch, is sequentially installed with convex bud pressing plate, flat clamp, elastica in the lower end of push rod guide pad
Sheet and butterfly seat, the lower end of described butterfly seat is fixed with housing by a ring for fixing, and the bottom of butterfly seat is welded with copper sleeve
Fixing.
Heavy load pressure switch the most according to claim 1, it is characterised in that: described pressure switch is single-pole single-throw(SPST or list
Dpdt double-pole double-throw (DPDT).
Heavy load pressure switch the most according to claim 1, it is characterised in that: described flexible sheet is convoluted diaphragm or bullet
Spring diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620414748.0U CN205657011U (en) | 2016-05-10 | 2016-05-10 | Heavy load pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620414748.0U CN205657011U (en) | 2016-05-10 | 2016-05-10 | Heavy load pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205657011U true CN205657011U (en) | 2016-10-19 |
Family
ID=57402244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620414748.0U Active CN205657011U (en) | 2016-05-10 | 2016-05-10 | Heavy load pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205657011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022805A (en) * | 2016-11-04 | 2018-05-11 | 苏州益而益电器制造有限公司 | A kind of earth leakage protective device |
| CN108565138A (en) * | 2018-06-08 | 2018-09-21 | 苏州华之杰电讯股份有限公司 | A kind of switch contact group mechanism |
-
2016
- 2016-05-10 CN CN201620414748.0U patent/CN205657011U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022805A (en) * | 2016-11-04 | 2018-05-11 | 苏州益而益电器制造有限公司 | A kind of earth leakage protective device |
| CN108022805B (en) * | 2016-11-04 | 2020-05-15 | 苏州益而益电器制造有限公司 | Leakage protector |
| CN108565138A (en) * | 2018-06-08 | 2018-09-21 | 苏州华之杰电讯股份有限公司 | A kind of switch contact group mechanism |
| CN108565138B (en) * | 2018-06-08 | 2023-12-12 | 苏州华之杰电讯股份有限公司 | Switch contact group mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |