CN218563726U - Normally open type engine oil pressure alarm switch - Google Patents
Normally open type engine oil pressure alarm switch Download PDFInfo
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- CN218563726U CN218563726U CN202223074428.XU CN202223074428U CN218563726U CN 218563726 U CN218563726 U CN 218563726U CN 202223074428 U CN202223074428 U CN 202223074428U CN 218563726 U CN218563726 U CN 218563726U
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- movable contact
- oil pressure
- normally open
- pressure alarm
- alarm switch
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Abstract
The utility model discloses a normally open machine oil pressure alarm switch. Normally open machine oil pressure alarm switch includes the mount pad, the diaphragm, the movable contact mechanism, quiet contact, conductive spring, insulating spring, socket and insertion piece, the socket is used for being connected with outside alarm circuit electricity, the socket is established on the mount pad and is fixed with the outer edge of diaphragm, be equipped with the oil feed passageway with the installation cavity intercommunication on the mount pad, quiet contact and insertion piece are all installed on the socket, quiet contact and insertion piece electricity are connected, the insulating spring butt is on socket and movable contact mechanism, insulating spring is used for letting movable contact mechanism keep the disconnect state with quiet contact under the effect of no external force, the diaphragm middle part is fixed on movable contact mechanism, conductive spring's both ends are connected with movable contact mechanism and mount pad respectively, conductive spring is used for making movable contact mechanism and mount pad be in the state of electricity connection all the time. The utility model discloses open machine oil pressure alarm in usual can communicate alarm line, suggestion user when the machine oil pressure surpassed the default.
Description
Technical Field
The utility model relates to an oil pressure alarm especially relates to a normally open oil pressure alarm switch.
Background
At present, a normally closed engine oil pressure alarm is adopted on a conventional engine, and when the oil pressure of the engine is too low, a circuit is switched on to light an alarm lamp. For an engine of a special electric control system, when the oil pressure of the engine is too high, a circuit is switched on to light an alarm lamp, and a normally closed engine oil pressure alarm cannot meet the requirement.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a normally open machine oil pressure alarm switch of circuit intercommunication when machine oil pressure surpasses the default.
In order to solve the problem, the utility model provides a normally open machine oil pressure alarm switch, normally open machine oil pressure alarm switch includes mount pad, diaphragm, movable contact mechanism, static contact piece, conductive spring, insulating spring, plug socket and plug strip, the mount pad is used for being connected with outside alarm circuit electricity, the plug socket adopts insulating material to make, the plug socket is established on the mount pad and is fixed with the outer edge of diaphragm, be equipped with the oil feed passageway with the installation cavity intercommunication on the mount pad, static contact piece and plug strip are all installed on the plug socket, static contact piece and plug strip electricity are connected, the insulating spring butt is on plug socket and movable contact mechanism, insulating spring is used for letting movable contact mechanism keep the detached state with static contact piece under the effect of no external force, the diaphragm middle part is fixed on the movable contact mechanism, conductive spring's both ends respectively with movable contact mechanism with the mount pad is connected, conductive spring is used for making movable contact mechanism and mount pad be in the state of electricity connection all the time.
Furthermore, an outer edge sealing ring is arranged between the mounting seat and the diaphragm.
Furthermore, the movable contact mechanism comprises a movable contact piece, a limiting plate and a central sealing ring, the limiting plate is arranged on the movable contact piece, the central sealing ring is arranged on the movable contact piece, the diaphragm is arranged between the central sealing ring and the limiting plate, and the central sealing ring and the diaphragm are fixed on the movable contact piece by the limiting plate.
Furthermore, the limiting part is fixed on the movable contact part in a riveting mode.
Further, the movable contact piece comprises a protruding portion and a bearing portion, the protruding portion is arranged on the bearing portion, the protruding portion is arranged at the center of the bearing portion, the bearing portion is provided with a bearing plane, and the central sealing ring is arranged on the bearing plane.
Furthermore, an upper groove is formed in the plug seat, a positioning column is arranged at the bottom of the upper groove, the positioning column and the groove form an annular groove, the upper end of the insulating spring is arranged in the annular groove, and the insulating spring is sleeved on the positioning column.
Furthermore, the inserting sheet is in a sheet shape or a threaded column shape.
Furthermore, the inserting seat is provided with an inserting groove, and the inserting sheet is positioned in the inserting groove.
Furthermore, the mounting seat is provided with a mounting hole, and the mounting hole is used for supporting the movable contact mechanism.
Furthermore, a containing hole is formed in the center of the bottom of the mounting hole, and the insulating spring is located in the containing hole.
The utility model discloses normally open machine oil pressure alarm switch utilizes the pressure of machine oil to promote movable contact spare, can make movable contact spare and stationary contact spare laminating when machine oil pressure surpasss the default to realize that the shell forms the electricity with the inserted sheet and be connected, the circuit intercommunication, so can let outside alarm circuit switch on in order to report to the police.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the normally open type oil pressure alarm switch of the present invention.
Fig. 2 is a cross-sectional view of the normally open type engine oil pressure alarm switch of the present invention.
Fig. 3 is a schematic structural diagram of the normally open type engine oil pressure alarm switch when the circuit is connected.
Fig. 4 is a schematic structural diagram of the socket.
Fig. 5 is a schematic structural view of the mount.
Fig. 6 is a schematic structural view of the moving contact mechanism.
Fig. 7 is a schematic structural view of another embodiment of the patch.
Fig. 8 is a schematic structural view of another embodiment of the socket.
The meaning of the reference symbols in the drawings is:
the mounting seat 1, the mounting hole 11, the accommodating hole 12, the oil inlet channel 13, the diaphragm 2, the movable contact mechanism 3, the movable contact piece 31, the protruding portion 311, the bearing portion 312, the bearing plane 3121, the limiting plate 32, the central sealing ring 33, the stationary contact piece 4, the conductive spring 5, the insulating spring 6, the plug sheet 7, the plug seat 8, the upper groove 81, the positioning column 82, the annular groove 83, the plug groove 84, and the mounting cavity 9.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to fig. 3, the preferred embodiment of the normally open type oil pressure alarm switch of the present invention includes a mounting seat 1, a diaphragm 2, a movable contact mechanism 3, a stationary contact 4, a conductive spring 5, an insulating spring 6 and a socket 8. The mounting seat 1 is used for being electrically connected with an external alarm circuit, the plug socket 8 is arranged on the mounting seat 1, the plug socket 8 and the mounting seat 1 are combined to form a mounting cavity 9, an oil inlet channel 13 communicated with the mounting cavity 9 is arranged on the mounting seat 1, and engine oil enters the mounting cavity 9 through the oil inlet channel 13. The fixed contact 4 is mounted on the socket 8, the fixed contact 4 extends to the outside of the socket 8 to form a plug sheet 7, the plug sheet 7 is used for being electrically connected with an external alarm circuit, the plug sheet 7 is sheet-shaped, and in other embodiments, the plug sheet 7 can also be in the structural form of a threaded column (as shown in fig. 7). The insulating spring 6, the movable contact mechanism 3, the diaphragm 2 and the insulating spring 6 are all arranged in the mounting cavity 9. The upper end of the insulating spring 6 is abutted to the plug socket 8, the lower end of the insulating spring 6 is abutted to the movable contact mechanism 3, and the insulating spring 6 is used for keeping the movable contact mechanism 3 in a separated state from the static contact piece 4 under the effect of no external force. The middle part of the diaphragm 2 is fixed on the movable contact mechanism 3, the outer side of the diaphragm 2 is clamped and fixed by the mounting seat 1 and the plug socket 8, the mounting cavity 9 is divided into an upper cavity and a lower cavity by the diaphragm 2, the oil inlet channel 13 is communicated with the lower cavity, engine oil enters the lower cavity from the oil inlet channel 13, an outer edge sealing ring is arranged between the mounting seat 1 and the diaphragm 2, the sealing performance of the clamping and fixing position is ensured, and the engine oil cannot permeate into the upper cavity above the diaphragm 2 from the clamping and fixing position. The upper end of the conductive spring 5 is connected with the movable contact mechanism 3, the lower end of the conductive spring 5 is connected with the mounting base 1, and the conductive spring 5 is used for enabling the movable contact mechanism 3 and the mounting base 1 to be in an electric connection state all the time.
As shown in fig. 4, an upper groove 81 is formed in the socket 8, a positioning column 82 is disposed at the bottom of the upper groove 81, the positioning column 82 and the groove form an annular groove 83, the upper end of the insulating spring 6 is disposed in the annular groove 83, and the insulating spring 6 is sleeved on the positioning column 82 to ensure that the upper end of the insulating spring 6 does not deflect. The plug socket 8 is made of an insulating material, so that the plug socket 8 is not electrically connected with the mounting seat 1.
As shown in fig. 5, the mounting base 1 is provided with a mounting hole 11, a center of a sidewall of the mounting hole 11 is bent to fix the socket 8 on the mounting base 1, and the mounting hole 11 is used for supporting the moving contact mechanism 3. The center of the bottom of the mounting hole 11 is provided with a receiving hole 12, and the insulating spring 6 is positioned in the receiving hole 12. The upper groove 81 and the mounting hole 11 combine to form the mounting cavity 9.
As shown in fig. 6, the movable contact mechanism 3 includes a movable contact 31, a limiting plate 32 and a central sealing ring 33, the limiting plate 32 is disposed on the movable contact 31, the central sealing ring 33 is disposed on the movable contact 31, the diaphragm 2 is disposed between the central sealing ring 33 and the limiting plate 32, and the limiting plate 32 fixes the central sealing ring 33 and the diaphragm 2 on the movable contact 31. The limiting piece is fixed on the movable contact piece 31 in a riveting mode, and the central sealing ring 33 and the diaphragm 2 can be conveniently fixed on the movable contact piece 31, so that the movable contact mechanism 3 can be rapidly assembled. The movable contact 31 includes a protrusion 311 and a bearing portion 312, the protrusion 311 is disposed on the bearing portion 312, the protrusion 311 is disposed at the center of the bearing portion 312, the bearing portion 312 has a bearing plane 3121, and the central sealing ring 33 is disposed on the bearing plane 3121.
When there is no oil pressure, the movable contact piece 31 and the fixed contact piece 4 are in a separated state because the force of the insulating spring 6 is larger than that of the conductive spring 5, and the product circuit is in an open circuit state at the moment. When oil pressure exists in engine oil of the channel step by step, the diaphragm 2 bears the oil pressure to generate upward acting force, when certain oil pressure is reached, the upward acting force of the diaphragm 2 and the force of the conductive spring 5 are greater than the force of the insulating spring 6 to push the movable contact piece 31 to move upwards, when the oil pressure is preset to be ultrahigh, the movable contact piece 31 is attached to the static contact piece 4, at the moment, a product circuit is in a connection state, and an external alarm circuit can realize alarm.
Example 2
As shown in fig. 8, the difference between this embodiment and embodiment 1 is that the structure of the socket 8 is different, a socket groove 84 is provided on the socket 8, and the plug tab 7 is located in the socket groove 84 to adapt to different circuit interfaces.
The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a normally open machine oil pressure alarm switch which characterized in that: the installation seat is used for being electrically connected with an external alarm circuit, the insertion seat is made of insulating materials, the insertion seat is arranged on the installation seat and fixes the outer edge of the diaphragm, an oil inlet channel communicated with the installation cavity is formed in the installation seat, the static contact piece and the insertion piece are installed on the insertion seat, the static contact piece and the insertion piece are electrically connected, the insulating spring is abutted to the insertion seat and the movable contact mechanism, the insulating spring is used for enabling the movable contact mechanism to be kept in a separation state with the static contact piece under the action of no external force, the middle of the diaphragm is fixed on the movable contact mechanism, two ends of the conductive spring are respectively connected with the movable contact mechanism and the installation seat, and the conductive spring is used for enabling the movable contact mechanism and the installation seat to be always in an electric connection state.
2. The normally open oil pressure alarm switch of claim 1, wherein: an outer edge sealing ring is arranged between the mounting seat and the diaphragm.
3. The normally open oil pressure alarm switch of claim 1, wherein: the movable contact mechanism comprises a movable contact piece, a limiting plate and a central sealing ring, the limiting plate is arranged on the movable contact piece, the central sealing ring is arranged on the movable contact piece, the diaphragm is arranged between the central sealing ring and the limiting plate, and the central sealing ring and the diaphragm are fixed on the movable contact piece by the limiting plate.
4. The normally open oil pressure alarm switch of claim 3, wherein: the limiting plate is fixed on the movable contact piece in a riveting mode.
5. The normally open oil pressure alarm switch of claim 3, wherein: the movable contact piece comprises a protruding portion and a bearing portion, the protruding portion is arranged on the bearing portion, the protruding portion is arranged at the center of the bearing portion, the bearing portion is provided with a bearing plane, and the central sealing ring is arranged on the bearing plane.
6. The normally open oil pressure alarm switch of claim 1, wherein: the plug seat is provided with an upper groove, the bottom of the upper groove is provided with a positioning column, the positioning column and the groove form an annular groove, the upper end of the insulating spring is arranged in the annular groove, and the insulating spring is sleeved on the positioning column.
7. The normally open oil pressure alarm switch of claim 1 or 6, wherein: the insertion piece is in a sheet shape or a threaded column shape.
8. The normally open oil pressure alarm switch of claim 1 or 6, wherein: the plug socket is provided with a plug groove, and the plug sheet is positioned in the plug groove.
9. The normally open oil pressure alarm switch of claim 1, wherein: and the mounting seat is provided with a mounting hole, and the mounting hole is used for supporting the movable contact mechanism.
10. The normally open oil pressure alarm switch of claim 9, wherein: the center department of the hole bottom of mounting hole is equipped with the accommodation hole, insulating spring is located the accommodation hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223074428.XU CN218563726U (en) | 2022-11-18 | 2022-11-18 | Normally open type engine oil pressure alarm switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223074428.XU CN218563726U (en) | 2022-11-18 | 2022-11-18 | Normally open type engine oil pressure alarm switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218563726U true CN218563726U (en) | 2023-03-03 |
Family
ID=85325041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223074428.XU Active CN218563726U (en) | 2022-11-18 | 2022-11-18 | Normally open type engine oil pressure alarm switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218563726U (en) |
-
2022
- 2022-11-18 CN CN202223074428.XU patent/CN218563726U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |