CN208953183U - A kind of excess of stroke alarming type pressure gauge - Google Patents
A kind of excess of stroke alarming type pressure gauge Download PDFInfo
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- CN208953183U CN208953183U CN201821851435.7U CN201821851435U CN208953183U CN 208953183 U CN208953183 U CN 208953183U CN 201821851435 U CN201821851435 U CN 201821851435U CN 208953183 U CN208953183 U CN 208953183U
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- pressure gauge
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- type pressure
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Abstract
A kind of excess of stroke alarming type pressure gauge, including pressure gauge watchcase, pressure tapping, the transmission mechanism with the bourdon tube of pressure tapping perforation, the needle pivot, connecting spring pipe and the needle pivot that are placed in the middle part of pressure gauge watchcase, pressure gauge watchcase is built-in with a fixed plate, it is vertically-mounted in fixed plate to have the first spring leaf, second spring piece, one end of first spring leaf and second spring piece is circumscribed with conducting wire, the free end of bourdon tube is further connected with an elastic component, and the bending part of elastic component is resisted against on the other end of second spring piece；The combined aural and visual alarm of pressure gauge is external, the size of pressure gauge can be effectively reduced, pass through the deformation of second spring piece, so that contact projection is touched, the connection of conducting wire is realized, pressure gauge avoids the installation of accurate pressure sensor or contact-making switch, manufacturing cost is saved, meanwhile in the case where drive failure, pressure gauge still can be realized excess of stroke alarm.
Description
Technical field
The utility model relates to a kind of excess of stroke alarming type pressure gauges.
Background technique
Pressure gauge in pipe-line system using very common, the connector of pressure gauge directly connects on pipeline, in pipeline
Liquid directly acts on bourdon tube and bourdon tube is deformed, and deformation is converted to needle pivot by transmission mechanism by bourdon tube
Rotation, can read corresponding pressure value, due to safety concerns, pressure gauge does not allow generally in actual use on dial
Actual pressure value is greater than the range on dial, therefore many pressure gauges are all built-in with alarm, are built-in with the pressure of alarm
Power table generally realizes the connection of alarm by monitoring the displacement of pointer, such as application No. is 201621270367.6 it is practical
Alarm is realized in a kind of novel disclosed pressure gauge warning device, the contact by the contact head of pointer end with contact-making switch
Connection, this kind of pressure gauge is high for the sensitivity requirement of built-in contact-making switch (or pressure sensor), correspondingly, pressure
The overall cost of power table is expensive.
Utility model content
Aiming at the shortcomings existing in the above problems, the utility model provides a kind of excess of stroke alarming type pressure gauge.
To achieve the above object, the utility model provides a kind of excess of stroke alarming type pressure gauge, including pressure gauge watchcase, pressure
Meter connector, with the pressure tapping perforation bourdon tube, be placed in the middle part of the pressure gauge watchcase needle pivot, connect the bullet
The transmission mechanism of reed pipe and the needle pivot, the pressure gauge watchcase are built-in with a fixed plate, vertically-mounted in the fixed plate
There are the first spring leaf, second spring piece, one end of first spring leaf and the second spring piece is circumscribed with conducting wire, the bullet
The free end of reed pipe is further connected with an elastic component, and the bending part of the elastic component is resisted against on the other end of the second spring piece.
It is further improved as the utility model, the upper end of the needle pivot is equipped with pointer, and middle part is equipped with all gear.
It is further improved as the utility model, the transmission mechanism includes the hinge of bourdon tube free end described in an end Jie
Chain bar, the intermediate bar being connect with the hinge-rod, the sector gear for being fixed on the intermediate bar other end, the intermediate bar and institute
Stating includes a movable axis point between sector gear.
It is further improved as the utility model, all gear is engaged with the sector gear.
It is further improved as the utility model, the fixed plate is horizontal, first spring leaf and the second spring
Piece is parallel.
It is further improved as the utility model, the fixed plate is horizontal, first spring leaf and the second spring
The angle of piece is five degree.
It is further improved as the utility model, first spring leaf and the second spring piece are in the needle pivot
The same side installation.
It is further improved as the utility model, the conducting wire is circumscribed with combined aural and visual alarm.
It is further improved as the utility model, first spring leaf and the second spring piece are relative to the conducting wire
The other end have contact projection.
It is further improved as the utility model, first spring leaf is also screwed with limit relative to the other end of the conducting wire
Position screw.
The utility model has the following beneficial effects:
1, the combined aural and visual alarm of pressure gauge is external, can effectively reduce the size of pressure gauge；
2, the connection of conducting wire is realized, pressure gauge avoids essence so that contact projection is touched by the deformation of second spring piece
The installation of close pressure sensor or contact-making switch, has saved manufacturing cost, meanwhile, in the case where drive failure,
Pressure gauge still can be realized excess of stroke alarm.
Detailed description of the invention
Fig. 1 is a kind of internal structure chart of excess of stroke alarming type pressure gauge of the utility model；
Fig. 2 is the enlarged drawing of location A in Fig. 1.
In figure: 1, pressure tapping；2, pressure gauge watchcase；3, bourdon tube；4, conducting wire；5, second spring piece；6, the first bullet
Reed；7, fixed plate；8, stop screw；9, elastic component；91, bending part；10, transmission mechanism；101, hinge-rod；102, intermediate
Bar；1021, movable axis point；103, sector gear；11, jackshaft；111, all gear.
Specific embodiment
Embodiment 1: as shown in Figure 1 and Figure 2, a kind of excess of stroke alarming type pressure gauge described in the utility model embodiment, including
Pressure gauge watchcase 2, pressure tapping 1, the bourdon tube 3 penetrated through with pressure tapping 1, the pointer for being placed in 2 middle part of pressure gauge watchcase
The transmission mechanism 10 of axis 11, connecting spring pipe 3 and needle pivot 11, the upper end of needle pivot 11 are equipped with pointer, and middle part is equipped with entirely
Gear 111, the centre that transmission mechanism 10 includes the hinge-rod 101 of 3 free end of an end Jie bourdon tube, connect with hinge-rod 101
Bar 102, the sector gear 103 for being fixed on 102 other end of intermediate bar include a work between intermediate bar 102 and sector gear 103
Moving axis point 1021, all gear 111 is engaged with sector gear 103；Pressure gauge watchcase 2 is built-in with a horizontal fixed plate 7, fixed plate
First spring leaf 6, second spring piece 5 are installed vertically and in parallel, the first spring leaf 6 is with second spring piece 5 in needle pivot 11 on 7
The same side installation, one end of the first spring leaf 6 and second spring piece 5 is circumscribed with conducting wire 4, and conducting wire 4 is circumscribed with combined aural and visual alarm,
The free end of bourdon tube 3 is further connected with an elastic component 9, and the bending part 91 of elastic component 9 is resisted against on the other end of second spring piece 5；
First spring leaf 6 and second spring piece 5 have contact projection relative to the other end of conducting wire 4, and the first spring leaf 6 is relative to conducting wire
4 other end is also screwed with stop screw 8.
Embodiment 2: as shown in Figure 1 and Figure 2, a kind of excess of stroke alarming type pressure gauge described in the utility model embodiment, including
Pressure gauge watchcase 2, pressure tapping 1, the bourdon tube 3 penetrated through with pressure tapping 1, the pointer for being placed in 2 middle part of pressure gauge watchcase
The transmission mechanism 10 of axis 11, connecting spring pipe 3 and needle pivot 11, the upper end of needle pivot 11 are equipped with pointer, and middle part is equipped with entirely
Gear 111, the centre that transmission mechanism 10 includes the hinge-rod 101 of 3 free end of an end Jie bourdon tube, connect with hinge-rod 101
Bar 102, the sector gear 103 for being fixed on 102 other end of intermediate bar, all gear 111 are engaged with sector gear 103；Pressure gauge
Shell 2 is built-in with a horizontal fixed plate 7, vertically-mounted in fixed plate 7 to have the first spring leaf 6, second spring piece 5, the first spring
Piece 6 and second spring piece 5 are installed in the same side of needle pivot 11, and the angle of the two is five degree, the first spring leaf 6 and second spring
One end of piece 5 is circumscribed with conducting wire 4, and conducting wire 4 is circumscribed with combined aural and visual alarm, and the free end of bourdon tube 3 is further connected with an elastic component 9, bullet
The bending part 91 of property part 9 is resisted against on the other end of second spring piece 5；First spring leaf 6 and second spring piece 5 are relative to conducting wire
4 other end has contact projection, and the first spring leaf 6 is also screwed with stop screw 8 relative to the other end of conducting wire 4.
The combined aural and visual alarm of pressure gauge be it is external, the size of pressure gauge can be effectively reduced；Pass through second spring piece
Deformation realizes the connection of conducting wire so that contact projection is touched, and pressure gauge avoids accurate pressure sensor or contact-making switch
Installation, saved manufacturing cost, meanwhile, in the case where drive failure, pressure gauge still can be realized the excess of stroke alarm.
When specifically used, the utility model is understood for convenience, is described in conjunction with attached drawing；
Liquid makes bourdon tube, and deformation occurs, drives needle pivot rotation by transmission mechanism, and pointer rotates, meanwhile, bullet
Property part occur certain displacement with the free end of bourdon tube, bending part pushes second spring piece toward the first spring leaf close to (connecing
Touching protrusion is close to each other), when pressure is in the critical value of setting, the contact projection of the first spring leaf and second spring piece is touched
Touching, conducting wire connection, the combined aural and visual alarm work connecting with conducting wire remind staff's pressure value excessive.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of excess of stroke alarming type pressure gauge, including pressure gauge watchcase (2), pressure tapping (1) and the pressure tapping
(1) bourdon tube (3) that penetrates through, the needle pivot (11) being placed in the middle part of the pressure gauge watchcase (2), the connection bourdon tube (3) and
The transmission mechanism (10) of the needle pivot (11), it is characterised in that: the pressure gauge watchcase (2) is built-in with a fixed plate (7), institute
Stating vertically-mounted on fixed plate (7) has the first spring leaf (6), second spring piece (5), first spring leaf (6) and described
One end of two spring leafs (5) is circumscribed with conducting wire (4), and the free end of the bourdon tube (3) is further connected with an elastic component (9), the bullet
The bending part (91) of property part (9) is resisted against on the other end of the second spring piece (5).
2. a kind of excess of stroke alarming type pressure gauge according to claim 1, it is characterised in that: the upper end of the needle pivot (11)
Pointer is installed, middle part is equipped with all gear (111).
3. a kind of excess of stroke alarming type pressure gauge according to claim 2, it is characterised in that: the transmission mechanism (10) includes
The hinge-rod (101) of bourdon tube (3) free end, the intermediate bar (102) being connect with the hinge-rod (101) described in one end Jie,
It is fixed on the sector gear (103) of the intermediate bar (102) other end, the intermediate bar (102) and the sector gear (103)
Between include a movable axis point (1021).
4. a kind of excess of stroke alarming type pressure gauge according to claim 3, it is characterised in that: all gear (111) and institute
State sector gear (103) engagement.
5. a kind of excess of stroke alarming type pressure gauge according to claim 1, it is characterised in that: the fixed plate (7) is horizontal, institute
It is parallel with second spring piece (5) to state the first spring leaf (6).
6. a kind of excess of stroke alarming type pressure gauge according to claim 1, it is characterised in that: the fixed plate (7) is horizontal, institute
The angle for stating the first spring leaf (6) and the second spring piece (5) is five degree.
7. a kind of excess of stroke alarming type pressure gauge described in any one according to claim 1~6, it is characterised in that: described first
Spring leaf (6) and the second spring piece (5) are installed in the same side of the needle pivot (11).
8. a kind of excess of stroke alarming type pressure gauge described in any one according to claim 1~6, it is characterised in that: the conducting wire
(4) it is circumscribed with combined aural and visual alarm.
9. a kind of excess of stroke alarming type pressure gauge according to claim 1, it is characterised in that: first spring leaf (6) and
The second spring piece (5) has contact projection relative to the other end of the conducting wire (4).
10. a kind of excess of stroke alarming type pressure gauge according to claim 1, it is characterised in that: the first spring leaf (6) phase
Stop screw (8) are also screwed with for the other end of the conducting wire (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821851435.7U CN208953183U (en) | 2018-11-12 | 2018-11-12 | A kind of excess of stroke alarming type pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821851435.7U CN208953183U (en) | 2018-11-12 | 2018-11-12 | A kind of excess of stroke alarming type pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208953183U true CN208953183U (en) | 2019-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821851435.7U Active CN208953183U (en) | 2018-11-12 | 2018-11-12 | A kind of excess of stroke alarming type pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208953183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323417A (en) * | 2022-01-07 | 2022-04-12 | 董帅 | Pressure safety instrument |
-
2018
- 2018-11-12 CN CN201821851435.7U patent/CN208953183U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323417A (en) * | 2022-01-07 | 2022-04-12 | 董帅 | Pressure safety instrument |
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