CN206321379U - A kind of Miniature low voltage pressure gauge - Google Patents
A kind of Miniature low voltage pressure gauge Download PDFInfo
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- CN206321379U CN206321379U CN201621318701.0U CN201621318701U CN206321379U CN 206321379 U CN206321379 U CN 206321379U CN 201621318701 U CN201621318701 U CN 201621318701U CN 206321379 U CN206321379 U CN 206321379U
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- base
- pressure gauge
- low voltage
- dial
- bushing
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Abstract
The utility model belongs to pressure-measuring instrument technology, and in particular to a kind of Miniature low voltage pressure gauge.The Miniature low voltage pressure gauge includes base (1), dial (2), watch crystal (3), packing ring (4), bushing (5), spiral tube (6) and pointer (7), wherein, described base (1) one end is hollow step pore structure, the other end is to connect mouth with externally threaded, mouth is connect provided with axially extending bore, connect base (1) other end, dial (2) is arranged at step, and compressed by bushing (5), watch crystal (3) is arranged on bushing opposite side, and the packing ring (4) by outer ring is sealed with stepped hole, spiral tube (6) is arranged in base (1) through hole, its end is Nian Jie with pointer (7), pointer (7) is arranged in dial (2) interstitial hole.The utility model is simple in construction, and size is smaller, measures the low advantage of pressure, is particularly suitable in the less use environment of size.
Description
Technical field
The utility model belongs to pressure-measuring instrument technology, and in particular to a kind of Miniature low voltage pressure gauge.
Background technology
Pressure gauge refers to using flexible member as sensing element, measures and indicates the instrument higher than environmental pressure, is widely used.
The sensing element that pressure gauge is used on the market at present is generally c-type Bourdon tube, and its volume is generally larger so that pressure gauge weight
Weight, volume is larger, and being not convenient to use has necessarily required place in narrow space and to volume and weight, therefore is badly in need of design
A kind of small volume, pressure gauge simple in construction.
Utility model content
The purpose of this utility model is：Offer small volume, simple in construction, lightweight and low measurement pressure is a kind of micro-
Type low pressure gauge.
The technical solution of the utility model is：A kind of Miniature low voltage pressure gauge, it includes base 1, dial 2, watch crystal
3rd, packing ring 4, bushing 5, spiral tube 6 and pointer 7, wherein, described one end of base 1 is hollow step pore structure, and the other end is that band is outer
Screw thread connects mouth, connects mouth provided with axially extending bore, connects the other end of base 1, dial 2 is arranged at step, and pressed by bushing 5
Tightly, watch crystal 3 is arranged on the opposite side of bushing 5, and the packing ring 4 by outer ring and stepped hole sealing；Spiral tube 6 is arranged on base 1
In through hole, its end is be bonded with pointer 7, and pointer 7 is arranged in the interstitial hole of dial 2.
Bushing 5, packing ring 4 and watch crystal 3 are closed up by agglomeration technique.
Silver brazing or soldering are used between spiral tube 6 and the through hole of base 1.
The material of spiral tube 6 is elastic alloy or copper alloy, and forms disk assembling structure by flattening coiling.
The surface portion of base 1 is outer hexagonal structure.
The base 1 is stainless steel material or copper product or copper alloy.
The utility model has the advantage that and beneficial effect
The utility model Miniature low voltage pressure gauge is designed due to sensing element using spiral tube, with small volume, structure letter
It is single, the advantages of lightweight, it is particularly suitable in the less use environment of size.
Brief description of the drawings
Fig. 1 is the manometric structural representation of the utility model Miniature low voltage；
Fig. 2 is the manometric scheme of installation of the utility model Miniature low voltage；
Fig. 3 is the structural representation of the utility model spiral tube.
Embodiment
The utility model is described in further details below in conjunction with the accompanying drawings.
Please refer to Fig. 1 and Fig. 2, a kind of Miniature low voltage pressure gauge, it includes base 1, dial 2, watch crystal 3, pad
Circle 4, bushing 5, spiral tube 6 and pointer 7, wherein, described one end of base 1 is hollow step pore structure, and the other end is band external screw thread
Connect mouth, connect mouth provided with axially extending bore, connect the other end of base 1, dial 2 is arranged at step, and is compressed by bushing 5,
Watch crystal 3 is arranged on bushing opposite side, and the packing ring 4 by outer ring and stepped hole sealing, and spiral tube 6 is arranged on the through hole of base 1
In, its end is be bonded with pointer 7, and pointer 7 is arranged in the interstitial hole of dial 2.
Silver brazing or soldering are used between spiral tube 6 and the through hole of base 1.
The dial 2 is arranged in the upper end step of base 1, and bushing 5 is arranged on above dial 2, and packing ring 4 sets bushing
Above 5, watch crystal 3 is arranged on inside packing ring 4, and is closed up by agglomeration technique, is closed up and inwardly compress, watch crystal 3 is pressed
Tightly, packing ring 4 plays a part of buffering, and watch crystal 3 is damaged during preventing agglomeration closing in, can be very good to protect watch crystal
3, while can be effectively dust-proof grease proofing.
The base 1 is stainless steel material or copper product or copper alloy, is easy to welded and installed, and the surface portion of base 1 is
Outer hexagonal structure, is easy to pressure gauge to install.
Referring to Fig. 3, the spiral tube 6 is elastic alloy or copper alloy, and disk assembling structure, energy are formed by flattening coiling
Enough measure the liquid or gas of lower pressure.
Positioned at the middle-end of base 1, and bottom is arranged in lower termination mouth endoporus, and dial 2 is arranged on the upper end step of base 1
On, bushing 5 is arranged on above dial 2, and packing ring 4 is set above bushing 5, and watch crystal 3 is arranged on above packing ring 4, and passes through rolling
Job contract skill is closed up.
Pressure meter structure is compact, small volume, lightweight, can effectively reduce pressure gauge overall volume and weight.
Embodiment
Miniature low voltage pressure gauge connects spiral tube, dial, watch crystal, packing ring, bushing and pointer by base and constituted.
1) base connects spiral tube
Base connects spiral tube and is made up of base 1 and spiral tube 6, and base is processed by stainless steel bar, and bottom interface is M10
× 1-6h screw thread, outer six side that it is S19 at the top of 6.5mm, outer end that length, which is, pressure gauge easy to disassemble；The material of spiral tube 6 is copper
Compo pipe, forms by flattening coiling, its angular dimension is ensured by special process, welded by silver solder between them；
2) dial
The material of dial 2 is pure aluminum plate, is shaped as middle round with hole, the front spraying unglazed drying magnetic of white amino
Paint, and be processed by scale disc printer on graduation mark and character, dial 2 with red and green color bars mark；
3) watch crystal
The material of watch crystal 3 be aviation optical glass, a diameter of Φ 18mm, thickness is 2mm；
4) packing ring
The material of packing ring 4 is silicon rubber, and cross sectional shape is the annulus of L-type, and annulus external diameter is Φ 18.4mm, and internal radius is Φ
18mm, median pore radius is Φ 16.3mm, and thickness is 0.5mm；
5) bushing
The annulus that the material of bushing 5 processes for aluminium alloy bars, external diameter is Φ 18.3mm, and internal diameter is Φ 16.3mm；
6) pointer
The material of pointer 7 is stainless steel plate, and thickness is 0.3mm.
Application method：
Miniature low voltage pressure gauge is screwed into the pipeline for needing to connect by monkey wrench, and spiral shell is used between pressure gauge and pipeline
Line M10 × 1-6h connections, it is ensured that the reliability of installation.
Claims (6)
1. a kind of Miniature low voltage pressure gauge, it is characterised in that including base (1), dial (2), watch crystal (3), packing ring (4),
Bushing (5), spiral tube (6) and pointer (7), wherein, described base (1) one end is hollow step pore structure, and the other end is that band is outer
Screw thread connects mouth, connects mouth provided with axially extending bore, connects base (1) other end, dial (2) is arranged at step, and passes through lining
Cover (5) to compress, watch crystal (3) is arranged on bushing opposite side, and the packing ring (4) by outer ring and stepped hole sealing, spiral tube (6)
In base (1) through hole, its end is Nian Jie with pointer (7), and pointer (7) is arranged in dial (2) interstitial hole.
2. Miniature low voltage pressure gauge according to claim 1, it is characterised in that set above dial on bushing, bushing
Side to set and wrap up watch crystal around packing ring, packing ring, and closed up by agglomeration technique.
3. Miniature low voltage pressure gauge according to claim 1, it is characterised in that bottom of the tube of spiraling under base with terminating in mouth
Between hole using silver brazing or soldering together.
4. Miniature low voltage pressure gauge according to claim 1, it is characterised in that the tube material that spirals is that elastic alloy or copper are closed
Gold, and form disk assembling structure by flattening coiling.
5. Miniature low voltage pressure gauge according to claim 1, it is characterised in that the base surface portion is tied for outer six side
Structure.
6. Miniature low voltage pressure gauge according to claim 1, it is characterised in that the base is stainless steel material or copper material
Material or copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621318701.0U CN206321379U (en) | 2016-12-02 | 2016-12-02 | A kind of Miniature low voltage pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621318701.0U CN206321379U (en) | 2016-12-02 | 2016-12-02 | A kind of Miniature low voltage pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206321379U true CN206321379U (en) | 2017-07-11 |
Family
ID=59265692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621318701.0U Active CN206321379U (en) | 2016-12-02 | 2016-12-02 | A kind of Miniature low voltage pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206321379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876918A (en) * | 2017-11-08 | 2018-04-06 | 武汉航空仪表有限责任公司 | A kind of seal weld method of pressure gauge |
-
2016
- 2016-12-02 CN CN201621318701.0U patent/CN206321379U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876918A (en) * | 2017-11-08 | 2018-04-06 | 武汉航空仪表有限责任公司 | A kind of seal weld method of pressure gauge |
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