CN221077910U - Contact barometer - Google Patents
Contact barometer Download PDFInfo
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- CN221077910U CN221077910U CN202323210896.XU CN202323210896U CN221077910U CN 221077910 U CN221077910 U CN 221077910U CN 202323210896 U CN202323210896 U CN 202323210896U CN 221077910 U CN221077910 U CN 221077910U
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- pressure contact
- air pressure
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- pointer
- contact
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- 238000005096 rolling process Methods 0.000 claims abstract description 65
- 238000009413 insulation Methods 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model belongs to the technical field of barometers, and particularly relates to a contact barometer, which comprises a shell, a rotating shaft, a pointer and a dial, wherein the dial is sleeved in the shell, the pointer is rotationally connected to the dial through the rotating shaft, a high-pressure contact and a low-pressure contact are arranged on the dial, a rolling ball is arranged at the bottom of the pointer and is used for being communicated with the high-pressure contact and the low-pressure contact, the rolling ball, the pointer and the rotating shaft are made of conductive materials, the pointer is communicated with the high-pressure contact and the low-pressure contact through the rolling ball, a chute is arranged on the dial, the chute comprises a high-pressure contact section, an insulation section and a low-pressure contact section, the rolling ball is in rolling fit with the chute, a rolling groove is arranged on one side of the pointer, which is close to the dial, and the rolling ball is arranged in the rolling groove; which can improve the accuracy of the barometer display when higher and lower barometers are detected.
Description
Technical Field
The utility model belongs to the technical field of barometers, and particularly relates to a contact barometer.
Background
Barometer is an instrument for displaying atmospheric pressure and is generally composed of an induction mechanism, a transmission mechanism, a pointer, a housing and the like. The sensing mechanism is responsible for sensing the change of atmospheric pressure and converting the change into the change of mechanical quantity, and the transmission mechanism transmits the mechanical quantity sensed by the sensing mechanism to the pointer, so that the pointer indicates the value of the atmospheric pressure, and the shell plays a role in protecting the instrument.
In the field of inflatable switch cabinets, the electric shock air pressure is used for monitoring the working air pressure of the switch cabinet, in many cases, the real-time air pressure state is needed to be known through the air pressure meter, and when the air pressure value exceeds a certain numerical range, information can be fed back to workers in time so as to take corresponding measures, thus the contact air pressure meter appears, and the existing contact air pressure meter is like a contact air pressure meter of China patent CN203561477U, and comprises an installation seat and a meter cover matched with the installation seat, and the electric shock air pressure meter also comprises a low-pressure touch plate, a pointer, a high-pressure touch plate and a poking needle arranged on the meter cover, wherein the low-pressure touch plate, the pointer and the high-pressure touch plate are sequentially arranged on a spring tube in the meter along the circumferential direction. The low-pressure contact and the high-pressure contact rotate along with the rotation of the pointer, the low-pressure contact and the high-pressure contact are in short circuit on the spring tube, a common signal wire is led out from the back of the barometer, the low-pressure contact and the high-pressure contact are separated by using a plastic sheet and are respectively connected with a low-pressure signal wire and a high-pressure signal wire, the low-pressure signal wire and the high-pressure signal wire are led out from the back of the barometer, and the signal wire outputs a high-pressure alarm signal; however, in this prior art, the low pressure contact and the high pressure contact are driven by the pointer, and may affect the rotation of the pointer after abutting against the high pressure contact and the low pressure contact, so that the air pressure value displayed by the pointer is different from the actual value.
Therefore, in order to avoid the possibility of influencing the rotation of the pointer after the low-pressure contact piece and the high-pressure contact piece are respectively abutted with the high-pressure contact piece and the low-pressure contact piece, a novel contact barometer needs to be designed.
Disclosure of utility model
The utility model provides a contact barometer, which aims to solve the problem that in the prior art, the rotation of a pointer is possibly affected after a low-pressure contact piece and a high-pressure contact piece are respectively abutted with a high-pressure contact plate and a low-pressure contact plate.
The aim of the utility model can be achieved by the following technical scheme:
the utility model relates to a contact barometer which comprises a shell, a rotating shaft, a pointer and a dial, wherein the dial is sleeved in the shell, the pointer is rotationally connected to the dial through the rotating shaft, a high-pressure contact and a low-pressure contact are arranged on the dial, and a rolling ball is arranged at the bottom of the pointer and used for being communicated with the high-pressure contact and the low-pressure contact.
Further, a chute is arranged on the dial, the chute comprises a high-pressure contact section, an insulation section and a low-pressure contact section, and the rolling ball is in rolling fit with the chute.
Further, a rolling groove is formed in one side surface, close to the dial, of the pointer, and the rolling ball is arranged in the rolling groove.
Further, the novel high-pressure gas meter comprises a high-pressure gas deflector rod, a low-pressure gas deflector rod and a meter cover, wherein the meter cover is covered on the shell, the high-pressure gas deflector rod and the low-pressure gas deflector are arranged on the side face of the chute, one ends of the high-pressure gas deflector rod and the low-pressure gas deflector rod are respectively connected with the high-pressure gas deflector rod and the low-pressure gas deflector, the other ends of the high-pressure gas deflector rod and the low-pressure gas deflector rod penetrate through the exterior of the meter cover, and the high-pressure gas deflector rod and the low-pressure gas deflector rod are respectively used for adjusting the positions of the high-pressure gas deflector rod and the low-pressure gas deflector rod.
Further, the automatic alarm device also comprises an alarm device, wherein the rotating shaft, the high air pressure contact and the low air pressure contact are respectively led out of the signal wire and connected with the alarm device, and the rolling ball is respectively communicated with the high air pressure contact and the low air pressure contact.
Further, the rotating shaft, the pointer, the high-pressure contact, the low-pressure contact and the rolling ball are all made of copper materials.
The beneficial effects of the utility model are as follows: through using the spin setting and the pointer bottom to the spin rolls on the rolling groove of scale under the pointer rotation effect, and high air pressure contact and low air pressure contact all set up with the lateral wall of rolling groove on, can not influence the rotation of pointer when making the spin roll, make the pointer more accurate to the atmospheric pressure value that shows when rotating high air pressure contact and low air pressure contact.
Drawings
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic top view of the present utility model;
Fig. 2 is a schematic side view of the present utility model.
Reference numerals illustrate: 1. a housing; 2. a dial; 3. a pointer; 4. a rolling groove; 5. a rotating shaft; 6. a high air pressure contact; 7. a low air pressure contact; 8. a high air pressure deflector rod; 9. a low air pressure deflector rod; 10. a chute; 11. a rolling ball; 12. and a transmission structure.
Detailed Description
In order to further describe the technical means and effects adopted by the utility model for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the utility model with reference to the attached drawings and the preferred embodiment.
As shown in fig. 1-2, the contact barometer comprises a shell 1, a rotating shaft 5, a pointer 3 and a dial 2, wherein the dial 2 is sleeved in the shell 1, the pointer 3 is rotationally connected to the dial 2 through the rotating shaft 5, a high-pressure contact 6 and a low-pressure contact 7 are arranged on the dial 2, and a rolling ball 11 is arranged at the bottom of the pointer 3 and used for being communicated with the high-pressure contact 6 and the low-pressure contact 7;
In the prior art, in order to enable the low-pressure contact plate and the high-pressure contact plate to be respectively abutted against the low-pressure contact plate and the high-pressure contact plate through the rotation of the pointer 3, so that automatic alarm can be realized when the air pressure is too high and too low when the air pressure of the air-filled switch cabinet is detected, the low-pressure contact plate and the high-pressure contact plate are driven by the pointer 3, reverse acting force can be generated after the air pressure is abutted against the high-pressure contact plate and the low-pressure contact plate, so that the rotation of the pointer 3 is influenced, the air pressure value displayed by the pointer 3 is inconsistent with an actual value, and a worker can know whether the air pressure in the air-filled switch cabinet is too high or too low, however, when the air pressure meter is checked, the displayed data is inconsistent with the actual air pressure meter, misjudgment is caused to subsequent processing work of the worker, and the equipment is possibly damaged or potential safety hazard occurs;
In order to enable the barometer to be communicated with the high-pressure contact 6 and the low-pressure contact 7 and not to influence the continuous rotation of the pointer 3, the high-pressure contact 6 and the low-pressure contact 7 are respectively arranged on the pointer 2, the high-pressure contact 6 and the low-pressure contact 7 are respectively arranged on two sides of the pointer 3 and are positioned on the rotating path of the pointer 3, a rolling ball 11 is arranged on one side surface of the pointer 3, which is close to the pointer 2, the rolling ball 11 is always abutted with the surface of the pointer 2, the friction force between the rolling ball 11 and the surface of the pointer 2 can be reduced, when the air pressure in the air-filled switch cabinet is too low, the pointer 3 rotates towards the low-pressure contact 7 until a connecting piece is communicated with the low-pressure contact 7, when the air pressure in the air-filled switch cabinet is too high, the pointer 3 rotates towards the high-pressure contact 6 until the high-pressure contact 6 is communicated, the rotation of the pointer 3 is connected to a transmission structure 12 below the pointer 2 through a rotating shaft 5, the rolling ball 11 is always abutted with the surface of the pointer 2, the friction force is reduced through the transmission structure 12, the friction force between the rolling ball 11 and the surface and the pointer 2 can effectively display the air pressure or the air pressure when the air pressure is too low or the air pressure is too high.
Since the rolling ball 11 rolls on the surface of the dial 2 in the above embodiment, the rolling ball 11 rolls to a position beyond the high air pressure contact 6 and the low air pressure contact 7 due to the probability of abutting and rolling the dial 2 under the abutting of the pointer 3 without limiting the rolling position of the dial 2, and the alarm signal cannot be turned on, in order to limit the rolling range of the rolling ball 11, in one embodiment, a chute 10 is arranged on the dial 2, the chute 10 comprises a high air pressure contact 6 section, an insulation section and a low air pressure contact 7 section, and the rolling ball 11 is in rolling fit with the chute 10;
In order to enable the rolling ball 11 to roll on a relatively fixed route, the chute 10 on the dial 2 is an arc chute 10 based on the axis of the rotating shaft 5 as the center of a circle, the rolling path of the rolling ball 11 is arc-shaped in the rolling process of the rolling ball 11 along with the pointer 3, meanwhile, the high air pressure contact 6 and the low air pressure contact 7 are respectively positioned on the high air pressure contact 6 section and the low air pressure contact 7 section at two ends of the chute 10, and in order to prevent the short circuit of the two contacts after the signal is switched on, an insulation section is arranged between the high air pressure contact section and the low air pressure contact 7 section, and the short circuit of the two contacts can be effectively avoided through the insulation of the two contacts.
Although the above embodiment limits the rolling path of the rolling ball 11 on the dial 2, so that the rolling ball 11 can slide in the chute 10 effectively, the rolling ball 11 makes the rolling ball possibly separate from the bottom of the pointer 3 by abutting against the bottom of the pointer 3 and rotating along with the pointer 3 under the rotation action of the pointer 3, so that in one embodiment, the rolling groove 4 is arranged on one side surface of the pointer 3 close to the dial 2, and the rolling ball 11 is arranged in the rolling groove 4;
through set up rolling groove 4 in pointer 3 bottom, this rolling groove 4 is half arc structure, makes the ball just be in rolling groove 4 to because pointer 3 rotates through pivot 5 to be connected with on the scale 2, consequently the distance of pointer 3 and scale 2 is relatively fixed, the setting of spin 11 can not break away from in its both gaps between rolling groove 4 and spout 10, can effectually restrict the position of spin 11, prevents that it from coming off, guarantees the normal use of barometer.
Because the high air pressure and the low air pressure standards of the inflatable switch cabinet under different use conditions are different, alarm air pressure values required to be set are also different, and in order to realize the adjustment of the alarm air pressure values, the applicability of the equipment is wider, therefore, in one embodiment, the inflatable switch cabinet further comprises a high air pressure deflector rod 8, a low air pressure deflector rod 9 and a meter cover, the meter cover is covered on the shell 1, the high air pressure contact 6 and the low air pressure contact 7 are arranged on the side surface of the chute 10, one end of the high air pressure deflector rod 8 and one end of the low air pressure deflector rod 9 are respectively connected with the high air pressure contact 6 and the low air pressure contact 7, the other end of the high air pressure deflector rod 8 and the low air pressure deflector rod 9 penetrate to the outside of the meter cover, and the positions of the high air pressure contact 6 and the low air pressure contact 7 are respectively adjusted;
The gauge cover is arranged on the shell 1, on the one hand, the barometer part inside the shell 1 can be protected, on the other hand, the high air pressure deflector rod 8 and the low air pressure deflector rod 9 are respectively connected with the high air pressure contact 6 and the low air pressure contact 7 through the arrangement of the high air pressure deflector rod 8 and the low air pressure deflector rod 9, the two air pressure deflector rods penetrate through the gauge cover and are connected to the outside of the gauge cover and are used for adjusting the high air pressure and the low air pressure alarm air pressure values, meanwhile, in order to adjust the positions of the high air pressure contact 6 and the low air pressure contact 7, the rolling ball 11 can smoothly roll, and the rolling ball 11 does not generate resistance when rolling due to the fact that the high air pressure contact 6 and the low air pressure contact 7 move and then fall on the surface of the dial 2, so that the high air pressure contact 6 and the low air pressure contact 7 are arranged on the side face of the sliding groove 10, and the rolling ball 11 can still be contacted and communicated with the high air pressure contact 6 and the low air pressure contact 7 in the rolling process.
In order to enable the barometer to realize alarming when detecting higher air pressure and lower air pressure so as to prompt a worker to check the inflatable switch cabinet, in one embodiment, the air-inflation switch cabinet further comprises an alarming device, wherein a signal wire is respectively led out from the rotating shaft 5, the high air pressure contact 6 and the low air pressure contact 7 and is connected with the alarming device, and the rolling ball 11 is respectively communicated with the high air pressure contact 6 and the low air pressure contact 7;
The high air pressure contact 6 and the low air pressure contact 7 are respectively led out of the signal wires and connected to the alarm device, the signal wires on the rotating shaft 5 are also connected to the alarm device, when the pointer 3 on the air pressure meter pushes the rolling ball 11 to be communicated with the low air pressure contact 7, the alarm device generates low air pressure alarm, when the pointer 3 on the air pressure meter pushes the rolling ball 11 to be communicated with the high air pressure contact 6, the alarm device generates high air pressure alarm, and the alarm device of the air pressure meter is used for alarming to improve the safety of equipment to be detected.
In one embodiment, the shaft 5, the pointer 3, the high-pressure contact 6, the low-pressure contact 7 and the ball 11 are all made of copper materials; in order to make the pointer 3 rotate to the high pressure contact 6 and the low pressure contact 7 and then have better conductivity, the rolling ball 11, the pointer 3 high pressure contact 6, the low pressure contact 7 and the rotating shaft 5 are required to be made of copper materials, the rolling ball 11 is connected with the pointer 3, the pointer 3 is connected with the rotating shaft 5, and signal communication can be achieved.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (6)
1. The utility model provides a contact barometer, its characterized in that includes casing, pivot, pointer and dial, the dial cover is located inside the casing, the pointer is rotated through the pivot and is connected on the dial, be provided with high air pressure contact and low air pressure contact on the dial, the pointer bottom is provided with the spin and is used for being linked together with high air pressure contact and low air pressure contact.
2. The contact barometer of claim 1, wherein said dial is provided with a chute, said chute including a high pressure contact section, an insulation section, and a low pressure contact section, said ball being in rolling engagement with said chute.
3. The contact barometer of claim 1, wherein said pointer has a rolling groove on a side of said pointer adjacent said dial, said rolling ball being disposed in said rolling groove.
4. The contact barometer of claim 2, further comprising a high air pressure deflector rod, a low air pressure deflector rod and a meter cover, wherein the meter cover is covered on the shell, the high air pressure contact and the low air pressure contact are arranged on the side face of the chute, one ends of the high air pressure deflector rod and the low air pressure deflector rod are respectively connected with the high air pressure contact and the low air pressure contact, the other ends penetrate to the outside of the meter cover, and the high air pressure deflector rod and the low air pressure deflector rod are respectively used for adjusting positions of the high air pressure contact and the low air pressure contact.
5. The contact barometer of claim 1, further comprising an alarm device, wherein said spindle, high pressure contact and low pressure contact respectively lead out signal wires and connect with said alarm device, and said ball is respectively connected with said high pressure contact and said low pressure contact for communicating with said alarm device.
6. The contact barometer of claim 1 wherein said shaft, pointer, high pressure contact, low pressure contact and ball are all copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323210896.XU CN221077910U (en) | 2023-11-28 | 2023-11-28 | Contact barometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323210896.XU CN221077910U (en) | 2023-11-28 | 2023-11-28 | Contact barometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221077910U true CN221077910U (en) | 2024-06-04 |
Family
ID=91253397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323210896.XU Active CN221077910U (en) | 2023-11-28 | 2023-11-28 | Contact barometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221077910U (en) |
-
2023
- 2023-11-28 CN CN202323210896.XU patent/CN221077910U/en active Active
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| GR01 | Patent grant |