CN211954506U - High-precision pressure gauge - Google Patents
High-precision pressure gauge Download PDFInfo
- Publication number
- CN211954506U CN211954506U CN201922433524.0U CN201922433524U CN211954506U CN 211954506 U CN211954506 U CN 211954506U CN 201922433524 U CN201922433524 U CN 201922433524U CN 211954506 U CN211954506 U CN 211954506U
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- Prior art keywords
- pressure gauge
- shaft
- hairspring
- core
- oil
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- 238000013016 damping Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 52
- 230000035939 shock Effects 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a high accuracy manometer belongs to the manometer device, and including the accurate scale watchcase anticollision post of scale pointer and joint, the inside fixed mounting of watchcase the pointer, the outside fixed mounting of pointer the scale, the inboard fixed connection of scale is accurate scale, and two anticollision posts of below fixed mounting of accurate scale, the below fixed connection joint of anticollision post, the articulate is in the below of watchcase, the utility model discloses a solution measurement accuracy that high accuracy manometer device can be fine and manometer core have not the very good shockproof problem of way.
Description
Technical Field
The utility model relates to a high accuracy manometer especially relates to a high accuracy manometer, belongs to high accuracy manometer technical field.
Background
The pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, the application is very common, and the pressure gauge is almost spread in all the fields of industrial processes and scientific research. The method is widely available in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance plants and shops and the like. Especially in industrial process control and technical measurement process, because the elasticity sensing element of mechanical type manometer has characteristics such as very high mechanical strength and production convenience for mechanical type manometer obtains more and more extensive application, especially high accuracy manometer, but the development that science and technology is incessant, and people's requirement to high accuracy manometer is more and more high, leads to traditional high accuracy manometer to have can't satisfy people's user demand. The core is the 'brain' of the pressure gauge, and a good core of the pressure gauge determines the precision, the service life and the applicable environment of the pressure gauge. Because the pressure gauge core is a precise mechanical structure, the pressure gauge core has certain requirements on the use environment. If the field environment has vibrations, can lead to the pointer of manometer to shake always, the unable accurate pressure value of reading of field engineer. For this situation, the current general solution is to fill the pressure gauge with oil, such as: silicone oils, glycerol, and the like. Although having solved the problem of pointer shake like this, brought new problem, the manometer live time is a little longer, will appear the phenomenon of oil leak, because the consistency of oil leads to the manometer reaction slower, consequently needs utility model a solution measurement accuracy that can be fine and manometer core have not the fine shockproof problem of way.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a high accuracy manometer, the unable fine solution measurement accuracy and the fine shockproof problem of manometer core of the unable fine solution of current manometer that has solved above-mentioned background art and has proposed, consequently need utility model a section can be fine guarantee measurement accuracy and jar-proof high accuracy manometer.
The purpose of the utility model can be achieved by adopting the following technical scheme: the anti-collision device comprises scales, a pointer, a precise scale, a meter shell, anti-collision columns, a wire moving shaft oil cup and a joint, wherein the pointer is fixedly installed inside the meter shell, the scale is fixedly installed on the outer side of the pointer, the precise scale is fixedly connected to the inner side of the scales, the two anti-collision columns are fixedly installed below the precise scale, the joint is fixedly connected to the lower side of the anti-collision columns, and the joint is installed below the meter shell.
Preferably, a balance spring is fixedly mounted below the pointer, a spring tube is fixedly connected to the outer side of the balance spring, a lining ring is fixedly mounted on the outer side of the spring tube, a pressure port is fixedly connected to the inner side of the lining ring, and the pressure port is fixedly mounted below the joint.
Preferably, a lining ring is fixedly installed inside the watch case, the inner side of the lining ring is connected with a pressure gauge movement, a connecting rod is fixedly installed on the outer side of the pressure gauge movement, an adjusting screw is fixedly installed at the bottom end of the connecting rod, the connecting rod is fixedly installed above the adjusting screw, a spring tube is fixedly connected above the connecting rod, and the other end of the spring tube is fixedly connected with a balance spring.
Preferably, a lining ring is fixedly mounted inside the watch case, a pressure gauge core is connected to the inner side of the lining ring, a front support back plate and a rear support back plate which are fixedly connected through support shafts are fixedly mounted inside the pressure gauge core, a core pull rod, a core gear and a core hairspring which are connected in sequence are arranged between the front support back plate and the rear support back plate, a hairspring central shaft is fixedly mounted on the core hairspring, and a sector tooth central shaft is arranged on the outer side of the core gear.
Preferably, a sector gear is fixedly mounted on the outer side of the sector central shaft, an oil cup cover is fixedly connected to the outer side of the sector gear, the oil cup cover is mounted below the rear support back plate, a balance spring shaft gear is fixedly mounted on the inner side of the balance spring shaft oil cup, a balance spring central shaft is mounted on the inner side of the balance spring shaft gear, and the balance spring shaft oil cup is fixed on the outer side of the rear support back plate.
Preferably, the central shafts in the two oil cups are respectively provided with a balance spring shaft gear and a sector gear shaft gear, damping oil is respectively filled in the two oil cups, and the outer surfaces of the two oil cups are provided with sealed oil cup covers.
The utility model has the advantages of:
the utility model provides a pair of high accuracy manometer is equipped with hairspring shaft gear and sector gear on the center pin in these two oil cups respectively to annotate damping oil respectively in these two oil cups, the outside of two oil cups is equipped with sealed oil cup lid. The pressure gauge using the movement has good shock resistance effect and is suitable for various shock environments; need not the oil charge in the manometer, the digital display of manometer is clearer, and long service life, more environmental protection, it is safer.
Drawings
Fig. 1 is a perspective view of a preferred embodiment of a high-precision pressure gauge according to the present invention:
fig. 2 is a view showing the internal structure of the pressure gauge according to the preferred embodiment of the high-precision pressure gauge of the present invention:
fig. 3 is a diagram of a pressure gauge movement according to a preferred embodiment of the present invention.
In the figure: 1-scale, 2-pointer, 3-precision scale, 4-watch case, 5-bumping post, 6-joint, 7-pressure port, 8-lining ring, 9-hairspring, 10-spring tube, 11-pressure gauge movement, 12-connecting rod, 13-adjusting screw, 14-movement pull rod, 15-supporting shaft, 16-movement gear, 17-movement hairspring, 18-supporting back plate, 19-rear supporting back plate, 20-hairspring shaft oil cup, 21-hairspring shaft gear, 22-hairspring central shaft, 23-oil cup cover, 24-sector gear, 25-sector central shaft, and 26-sector shaft oil cup.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
In this embodiment, as shown in fig. 1-3, including scale 1, pointer 2, precision scale 3, watchcase 4, crash post 5, balance spring shaft oil cup 20 and joint 6, its characteristics are: pointer 2 is being fixed mounting to the inside of watchcase 4, and scale 1 is being fixed mounting in the outside of pointer 2, and precision scale 3 is being fixed connection to the inboard of scale 1, and two bumping posts 5 are being fixed mounting to the below of precision scale 3, and the below fixed connection of bumping post 5 connects 6, connects 6 and installs the below at watchcase 4.
The inside pointer 2's of watchcase 4 arrow point 1's that can be fine outside, the inside pressure trend of manometer can all be realized to scale 1 and the precision scale 3 in the 2 outsides of pointer to guarantee the interior pointer 2 directive stability of manometer, thereby anticollision post 5 can guarantee that pointer 2 can not drop because of too big or the undersize of pressure.
In the present embodiment, as shown in fig. 1, a balance spring 9 is fixedly mounted below the pointer 2, a spring tube 10 is fixedly connected to the outer side of the balance spring 9, a collar 8 is fixedly mounted to the outer side of the spring tube 10, a pressure port 7 is fixedly connected to the inner side of the collar 8, and the pressure port 7 is fixedly mounted below the joint 6.
The balance spring 9 is biased under pressure to move the outer spring tube 10 which is connected to the pointer 2, and the movement of the spring tube 10 moves the pointer 2 to rotate the pointer.
In the present embodiment, as shown in fig. 1, a collar 8 is fixedly mounted inside the case 4, a pressure gauge movement 11 is connected to the inside of the collar 8, a connecting rod 12 is fixedly mounted on the outside of the pressure gauge movement 11, an adjusting screw 13 is fixedly mounted at the bottom end of the connecting rod 12, the connecting rod 12 is fixedly mounted above the adjusting screw 13, a spring tube 10 is fixedly connected above the connecting rod 12, and the other end of the spring tube 10 is fixedly connected to the balance spring 9.
The adjusting screws arranged at two sides of the pressure gauge movement 11 move the connecting rod under the pressure, and drive the adjusting screws 13 to move the spring tube.
In this embodiment, as shown in fig. 2, a lining ring 8 is fixedly mounted inside the case 4, the inner side of the lining ring 8 is connected to the pressure gauge movement 11, a front support back plate 18 and a rear support back plate 19 are fixedly mounted inside the pressure gauge movement 11, the support shaft 15 is fixedly connected to the front support back plate 18 and the rear support back plate 19, a movement pull rod 14, a movement gear 16 and a movement hairspring 17 are sequentially connected between the front support back plate 18 and the rear support back plate 19, a hairspring center shaft 22 is fixedly mounted on the movement hairspring 17, and a sector gear center shaft 25 is arranged outside the movement gear 16.
The shock resistance effect is good, oil filling is not needed in the environment pressure gauge suitable for various shocks, the weight of the pressure gauge is reduced, the digital display of the pressure gauge without the oil leakage problem is clearer, the reading is convenient, and the pressure gauge is more accurate
In the present embodiment, as shown in fig. 3, a sector shaft gear 24 is fixedly mounted on the outside of the sector shaft central shaft 25, an oil cup cover 23 is fixedly connected to the outside of the sector shaft gear 24, the oil cup cover 23 is mounted below the rear support back plate 19, a balance spring shaft gear 21 is fixedly mounted on the inside of the balance spring shaft oil cup 20, a balance spring central shaft 22 is mounted on the inside of the balance spring shaft gear 21, and the balance spring shaft oil cup 20 is fixed on the outside of the rear support back plate 19.
Through the fixation of the front and rear supporting plates, the pressure gauge of the movement is used in a vibration environment, the vibration of the environment does not affect the wire moving shaft 17 and the fan gear shaft 24, and other parts are stable and cannot be affected by vibration. Therefore, the pointer 2 of the pressure gauge is also very stable, and the reading is clear and accurate.
In the present embodiment, as shown in fig. 1, a balance spring shaft oil cup 20 and a sector gear shaft oil cup 26 are respectively provided on the central shafts in the two oil cups, a balance spring shaft gear 21 and a sector gear shaft gear 24 are respectively provided, damping oil is respectively filled in the two oil cups, and a sealed oil cup cover 23 is provided on the outer surfaces of the two oil cups.
When oil is needed to be added, the oil cup cover 23 is taken down, so that the oil can be pressed when the oil is added, and the oil can not flow out.
As shown in fig. 1 to fig. 3, the working process of the high-precision pressure gauge provided by this embodiment is as follows:
step 1: the arrow through the inside pointer of watchcase can be fine the outside of directional scale, and the scale and the precision scale in the pointer outside can all realize the inside pressure trend of manometer to pointer directive stability in the assurance manometer.
Step 2: the base is used for filling damping oil, and friction is generated between the damping oil and the gear; the small gear is connected with the central shaft, and the friction between the small gear and the damping oil is increased by filling the damping oil, so that the damping plastic cover of the hairline shaft and the fan-tooth shaft is increased to isolate air and moisture from entering.
And step 3: when oil needs to be added, the oil cup cover is taken down, so that the oil can be pressed when the oil is added, and the oil cup cover can ensure that the oil cannot flow out.
The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.
Claims (6)
1. The utility model provides a high accuracy manometer, includes scale (1), pointer (2), accurate scale (3), watchcase (4), anticollision post (5), trip wire axle oil cup (20) and connects (6), its characterized in that: the pointer (2) is fixedly mounted inside the watch case (4), the scales (1) are fixedly mounted on the outer side of the pointer (2), the inner side of the scales (1) is fixedly connected with the precision scales (3), two anti-collision columns (5) are fixedly mounted below the precision scales (3), the joints (6) are fixedly connected below the anti-collision columns (5), and the joints (6) are mounted below the watch case (4).
2. A high accuracy pressure gauge according to claim 1, wherein: a balance spring (9) is fixedly arranged below the pointer (2), the outer side of the balance spring (9) is fixedly connected with a spring tube (10), the outer side of the spring tube (10) is fixedly provided with a lining ring (8), the inner side of the lining ring (8) is fixedly connected with a pressure port (7), and the pressure port (7) is fixedly arranged below the joint (6).
3. A high accuracy pressure gauge according to claim 1, wherein: the inner part of the watch shell (4) is fixedly provided with a lining ring (8), the inner side of the lining ring (8) is connected with a pressure gauge core (11), the outer side of the pressure gauge core (11) is fixedly provided with a connecting rod (12), the bottom end of the connecting rod (12) is fixedly provided with an adjusting screw (13), the upper part of the adjusting screw (13) is fixedly provided with the connecting rod (12), the upper part of the connecting rod (12) is fixedly connected with a spring tube (10), and the other end of the spring tube (10) is fixedly connected with a hairspring (9).
4. A high accuracy pressure gauge according to claim 1, wherein: lining ring (8) is fixedly installed inside the watch case (4), a pressure gauge core (11) is connected to the inner side of the lining ring (8), a front supporting back plate (18) and a rear supporting back plate (19) which are fixedly connected with a supporting shaft (15) are fixedly installed inside the pressure gauge core (11), a core pull rod (14), a core gear (16) and a core hairspring (17) which are connected in sequence are arranged in the middle of the front supporting back plate (18) and the rear supporting back plate (19), a hairspring central shaft (22) is fixedly installed on the core hairspring (17), and a sector gear central shaft (25) is arranged on the outer side of the core gear (16).
5. A high accuracy pressure gauge according to claim 4, wherein: sector gear shaft gear (24) is being fixed mounting in the outside of sector gear center pin (25), the outside fixed connection of sector gear shaft gear (24) oil cup lid (23), the below of back support backplate (19) is installed in oil cup lid (23), the inboard fixed mounting of hairspring shaft gear (21) of hairspring shaft oil cup (20), hairspring center pin (22) is being installed to the inboard of hairspring shaft gear (21), the outside of back support backplate (19) is fixed in hairspring shaft oil cup (20).
6. A high accuracy pressure gauge according to claim 5, wherein: the balance spring shaft oil cup (20) and the sector gear shaft oil cup (26) are respectively provided with a balance spring shaft gear (21) and a sector gear shaft gear (24) on central shafts in the two oil cups, damping oil is respectively filled in the two oil cups, and sealed oil cup covers (23) are arranged outside the two oil cups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922433524.0U CN211954506U (en) | 2019-12-30 | 2019-12-30 | High-precision pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922433524.0U CN211954506U (en) | 2019-12-30 | 2019-12-30 | High-precision pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211954506U true CN211954506U (en) | 2020-11-17 |
Family
ID=73188249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922433524.0U Expired - Fee Related CN211954506U (en) | 2019-12-30 | 2019-12-30 | High-precision pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211954506U (en) |
-
2019
- 2019-12-30 CN CN201922433524.0U patent/CN211954506U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 |