CN212363544U - Projection pressure gauge - Google Patents
Projection pressure gauge Download PDFInfo
- Publication number
- CN212363544U CN212363544U CN202021649026.6U CN202021649026U CN212363544U CN 212363544 U CN212363544 U CN 212363544U CN 202021649026 U CN202021649026 U CN 202021649026U CN 212363544 U CN212363544 U CN 212363544U
- Authority
- CN
- China
- Prior art keywords
- projection
- projection lens
- pointer
- pressure gauge
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a projection pressure gauge, which comprises a pressure gauge main body, a projection lens frame, a convex lens, a projection pointer part, a projection dial plate, an annular light source and a projection lens base; the projection lens base is arranged at the tail end of the pressure gauge main body, a channel penetrating through the head and the tail is arranged in the projection lens base, the annular light source is arranged in the channel and is opposite to the annular light source, the pointer of the projection pointer part is positioned on the projection dial plate, and the pointer of the projection pointer part is also connected with the pointer part in the pressure gauge main body through a connecting rod to realize synchronous rotation; the projection lens frame is covered at the tail end of the projection lens base, a passage penetrating the head and the tail is arranged in the projection lens frame, and a convex lens opposite to the projection dial plate is arranged at the tail end of the projection lens frame; the utility model discloses a manometer can realize enlargiing the projection to the object surface with real-time measurement scale numerical value under dark surrounds, has the clear accuracy of reading, and clear reading is installed simple structure, and is stable, and use cost is low.
Description
Technical Field
The utility model relates to a monitoring instrument technical field especially relates to a projection manometer.
Background
The current pressure gauge is difficult to read or cannot be read in dark environment, severe installation environment or long-distance scene. In order to meet the use requirement, a pressure gauge outputting a signal has to be adopted. The pressure indication value is converted into an electric signal, and the electric signal is transmitted to a secondary instrument, so that the purpose of knowing real-time pressure is achieved. And such instrument signal generating devices are easily damaged, resulting in inaccurate real-time pressure.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a projection pressure gauge capable of implementing projection reading in dark environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a projection manometer to solve the problem that above-mentioned prior art exists, make the manometer can realize under dark surrounds and enlarge the projection to the object surface with real-time measurement scale numerical value, have the reading clearly accurate, clear reading, device simple structure is stable, use cost is low.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a projection pressure gauge, which comprises a pressure gauge main body, a projection lens frame, a convex lens, a projection pointer component, a projection dial, an annular light source and a projection lens base; the projection lens base is arranged at the tail end of the pressure gauge main body, a channel penetrating through the head and the tail is arranged in the projection lens base, the annular light source is arranged in the channel, the projection dial plate is arranged at the tail end of the projection lens base, the projection dial plate is a transparent dial plate with scales and is opposite to the annular light source, a pointer of the projection pointer part is positioned on the projection dial plate, the pointer of the projection pointer part is also connected with a pointer part in the pressure gauge main body through a connecting rod, and the pointer part synchronously drives the pointer of the projection pointer part to rotate; the projection lens frame is covered at the tail end of the projection lens base, a channel penetrating through the head and the tail is arranged inside the projection lens frame, and a convex lens opposite to the projection dial is arranged at the tail end of the projection lens frame.
Preferably, the projection lens base is a cylinder, the inner channel of the projection lens base is a circular channel, the head end of the channel is provided with a clamping table, the annular light source is clamped on the clamping table, and the tail end channel of the clamping table is a tapered channel with the diameter gradually decreasing towards the head end.
Preferably, the projection lens frame is a cylinder, the inner channel of the projection lens frame is a circular channel, the head end of the channel is provided with a threaded connection part, and the tail end of the projection lens base with the projection dial is in threaded connection with the projection lens frame.
Preferably, the convex lens is arranged in a groove at the head end of the projection lens frame, a projection lens cover is covered outside the convex lens, and the projection lens cover is connected with the projection lens frame.
Preferably, the manometer main part includes watchcase part, glass lid, watch cover, dial plate, pointer part, core part, bourdon tube and joint, the glass lid set up in the head end of watchcase part, the watch cover is established again the glass lid is outside, the dial plate set up in watchcase part inside with the glass lid is relative, the pointer of pointer part set up in the glass lid with between the dial plate, the core part set up in the watchcase part, the pointer of pointer part passes the central pin connection on dial plate and the core part, bourdon tube one end is connected the joint, the sector gear of core part is connected to the other end of bourdon tube, the joint is used for the access pressure.
Preferably, a sealing ring is arranged between the watch cover and the glass cover.
Preferably, the shell part is also provided with an oil filling plug at one time.
The utility model discloses following beneficial technological effect has been gained for prior art:
the utility model provides a projection pressure gauge, through light irradiation on the calibrated scale of pressure gauge, light passes through convex lens and enlarges the real-time pressure of pressure gauge and projects on remote wall or ground, thereby reach the purpose of indicating pressure on the spot; the device has the advantages that the pressure gauge can realize the amplification and projection of real-time measurement scale values to the surface of an object in a dark environment, the reading is clear and accurate, the reading is clear, the structure is simple and stable, and the use cost is low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a projection pressure gauge of the present invention;
FIG. 2 is a schematic view of a forward structure of the main body of the pressure gauge of the present invention;
in the figure: 1-projection lens frame; 2-a convex lens; 3-a projection pointer member; 4-projection lens cover; 5-a projection dial; 6-ring light source; 7-projection lens base; 8-sealing ring; 9-a glass cover; 10-a dial plate; 11-oil filling plug; 12-a watch case; 13-bourdon tube; 14-pointer member; 15-a watch case part; 16-movement parts; 17-a linker.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a projection manometer to solve the problem that prior art exists.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The projection pressure gauge in the embodiment, as shown in fig. 1-2, includes a pressure gauge main body, a projection lens frame 1, a convex lens 2, a projection pointer part 3, a projection dial 5, an annular light source 6, and a projection lens base 7; the projection lens base 7 is arranged at the tail end of the pressure gauge main body, a channel penetrating through the head and the tail is arranged in the projection lens base 7, the annular light source 6 is arranged in the channel, the projection dial 5 is arranged at the tail end of the projection lens base 7, the projection dial 5 is a transparent dial with scales and is opposite to the annular light source 6, a pointer of the projection pointer component 3 is positioned on the projection dial 5, the pointer of the projection pointer component 3 is also connected with a pointer component 14 in the pressure gauge main body through a connecting rod, and the pointer component 14 rotates to synchronously drive the pointer of the projection pointer component 3 to rotate; the projection lens frame 1 covers the tail end of the projection lens base 7, a channel penetrating the head and the tail is arranged inside the projection lens frame 1, and the convex lens 2 opposite to the projection dial 5 is arranged at the tail end of the projection lens frame 1.
In this embodiment, the projection lens base 7 is a cylinder, the internal channel of the projection lens base 7 is a circular channel, the head end of the channel is provided with a clamping table, the annular light source 6 is clamped on the clamping table, and the tail end channel of the clamping table is a tapered channel with a diameter gradually decreasing toward the head end; the projection lens base 7 is connected with the pressure gauge main body through screws.
The projection lens frame 1 is a cylinder, an internal channel of the projection lens frame is a circular channel, the head end of the channel is provided with a threaded connection part, and the tail end of a projection lens base 7 with a projection dial 5 is in threaded connection with the projection lens frame 1; the convex lens 2 is arranged in a groove at the tail end of the projection lens frame 1, the projection lens cover 4 is covered outside the convex lens 2, and the projection lens cover 4 is connected with the projection lens frame 1 through screws.
In this embodiment, the pressure gauge body includes a case member 15, a glass cover 9, a cover 12, a dial 10, a pointer member 14, a movement member 16, a bourdon tube 13 and a joint 17, the glass cover 9 is disposed at the head end of the case member 15, the cover 12 covers the outside of the glass cover 9, the dial 10 is disposed inside the case member 15 opposite to the glass cover 9, the pointer of the pointer member 14 is disposed between the glass cover 9 and the dial 10, the movement member 16 is disposed inside the case member 15, the pointer of the pointer member 14 passes through the dial 10 to be connected with a central shaft on the movement member 16, one end of the bourdon tube 13 is connected with the joint 17, the other end of the bourdon tube 13 is connected with a sector gear of the movement member 16, and the joint 17 is used for receiving pressure; a sealing ring 8 is arranged between the watch cover 12 and the glass cover 9; the case part 15 is also provided with an oil-filled plug 11 at a time.
The utility model discloses a projection manometer's theory of operation as follows:
the pressure is introduced into the joint 17 and acts on the bourdon tube 13 to deform the bourdon tube 13, the displacement of one end of the bourdon tube 13 is transmitted to the sector gear in the movement part 16 through the connecting rod in the movement part 16, the central shaft in the movement part 16 is deflected angularly, and meanwhile, the pointer part 14 fixed on the central shaft of the movement part 16 is driven to indicate the real-time pressure of the instrument on the dial 10. Meanwhile, the projection pointer part 3 is driven to deflect, and the pressure is indicated on the projection dial 5. The annular light source 6 fixed in the projection lens base 7 irradiates the projection dial 5 and the projection pointer component 3 to generate a projection indicating pressure, and the projection penetrates through the convex lens 2 to project the pressure indication value on a remote wall surface or ground. The function of focusing the projection lens can be realized by rotating the screw thread at the joint of the projection lens frame 1 and the projection lens base 7.
It should be noted that the movement component 16 is a conventional component of a pressure gauge, and the structure and the operation principle thereof are not described in detail.
The utility model discloses the principle and the implementation mode of the utility model are explained by applying the concrete examples, and the explanation of the above examples is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present description should not be construed as a limitation of the present invention.
Claims (8)
1. A projection pressure gauge, its characterized in that: the projection lens frame is arranged on the projection needle base; the projection lens base is arranged at the tail end of the pressure gauge main body, a channel penetrating through the head and the tail is arranged in the projection lens base, the annular light source is arranged in the channel, the projection dial plate is arranged at the tail end of the projection lens base, the projection dial plate is a transparent dial plate with scales and is opposite to the annular light source, a pointer of the projection pointer part is positioned on the projection dial plate, the pointer of the projection pointer part is also connected with a pointer part in the pressure gauge main body through a connecting rod, and the pointer part synchronously drives the pointer of the projection pointer part to rotate; the projection lens frame is covered at the tail end of the projection lens base, a channel penetrating through the head and the tail is arranged inside the projection lens frame, and a convex lens opposite to the projection dial is arranged at the tail end of the projection lens frame.
2. The projection pressure gauge of claim 1, wherein: the projection lens base is a cylinder, an internal channel of the projection lens base is a circular channel, a clamping table is arranged at the head end of the channel, the annular light source is clamped on the clamping table, and a tail end channel of the clamping table is a conical channel with the diameter gradually reduced towards the tail end.
3. The projection pressure gauge of claim 1, wherein: the projection lens base is connected with the pressure gauge main body through screws.
4. The projection pressure gauge of claim 1, wherein: the projection lens frame is a cylinder, an internal channel of the projection lens frame is a circular channel, a threaded connection part is arranged at the head end of the channel, and the tail end of the projection lens base with the projection dial plate is in threaded connection with the projection lens frame.
5. The projection pressure gauge of claim 1, wherein: the convex lens is arranged in the groove at the head end of the projection lens frame, a projection lens cover is covered outside the convex lens, and the projection lens cover is connected with the projection lens frame.
6. The projection pressure gauge of claim 1, wherein: the manometer main part includes watchcase part, glass lid, table cover, dial plate, pointer part, core part, bourdon tube and connects, the glass lid set up in the head end of watchcase part, the table cover is established again the glass lid is outside, the dial plate set up in watchcase part inside with the glass lid is relative, the pointer of pointer part set up in the glass lid with between the dial plate, the core part set up in the watchcase part, the pointer of pointer part passes the central pin connection on dial plate and the core part, bourdon tube one end is connected the joint, the other end of bourdon tube is connected the sector gear of core part, the joint is used for inserting pressure.
7. The projection pressure gauge of claim 6, wherein: and a sealing ring is arranged between the watch cover and the glass cover.
8. The projection pressure gauge of claim 6, wherein: the shell part is also provided with an oil filling plug at one time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021649026.6U CN212363544U (en) | 2020-08-10 | 2020-08-10 | Projection pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021649026.6U CN212363544U (en) | 2020-08-10 | 2020-08-10 | Projection pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212363544U true CN212363544U (en) | 2021-01-15 |
Family
ID=74132363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021649026.6U Active CN212363544U (en) | 2020-08-10 | 2020-08-10 | Projection pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212363544U (en) |
-
2020
- 2020-08-10 CN CN202021649026.6U patent/CN212363544U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102865802B (en) | Device for measuring coaxiality of bearing seat of aero-engine combustion chamber casing | |
| CN212363544U (en) | Projection pressure gauge | |
| US4186494A (en) | Device for accurate measurement of the shape of a substantially cylindrical surface | |
| CN112051000A (en) | Projection pressure gauge | |
| GB1395106A (en) | Explosion proof pressure gauge transducer | |
| CN109556483A (en) | A kind of the die Zhao Zhong mechanism and alignment method of ship tail-pipe | |
| CN206531461U (en) | The device of maximum inner diameter difference on electronic type measuring cylinder body section | |
| CN201387309Y (en) | Aperture measuring device of shallow hole | |
| CN2449208Y (en) | Pressure-resistance type liquid level transmitters | |
| CN106181584A (en) | Gland-type photoelectricity tool setting gauge | |
| CN101975637A (en) | Compact-type automobile pressure transformer and manufacturing process thereof | |
| CN110285887A (en) | Closed type infrared measurement of temperature camera lens | |
| CN213842002U (en) | Dynamic sealing ring opening measuring device | |
| CN211121735U (en) | Vacuum capsule manometer | |
| CN212674050U (en) | Extensometer for measuring micro deformation by secondary lever type | |
| CN216788726U (en) | Canned motor pump axial force testing arrangement | |
| CN204115720U (en) | A kind of mine digital formula laser gradient measuring instrument | |
| CN214751353U (en) | Waterproof core implementation structure and wrist-watch have | |
| CN207981097U (en) | Accurate device for measuring force in a kind of autoclave | |
| CN214747919U (en) | Altitude indication implementation structure and watch | |
| CN201748995U (en) | Small oil filled diffused silicon sensor | |
| CN214471470U (en) | High-reliability memory pointer pressure gauge | |
| CN211478660U (en) | X-ray intensity detection device emitted by x-ray tube | |
| CN2224413Y (en) | Gas-pressure defining device | |
| CN212963807U (en) | Full waterproof compressed natural gas pressure gauge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |