CN216386067U - Pressure gauge with protection function - Google Patents
Pressure gauge with protection function Download PDFInfo
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- CN216386067U CN216386067U CN202122191352.8U CN202122191352U CN216386067U CN 216386067 U CN216386067 U CN 216386067U CN 202122191352 U CN202122191352 U CN 202122191352U CN 216386067 U CN216386067 U CN 216386067U
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- pressure
- fixedly connected
- tube
- linkage rod
- wall
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- 230000000903 blocking effect Effects 0.000 abstract description 12
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 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 pressure gauge with a protection function, belonging to the technical field of pressure gauges, and the pressure gauge with the protection function comprises a pressure tube, wherein the top end of the pressure tube is fixedly connected with the pressure gauge, a bourdon tube is arranged in the pressure gauge, the side wall of the pressure tube is fixedly connected with a protection tube, the top end of the protection tube is provided with a through groove, the inner wall of the protection tube is fixedly connected with a connecting plate, a first pressure through hole is arranged between the upper surface and the lower surface of the connecting plate, the inner wall of the pressure tube is fixedly connected with a pressure resistance plate, a plurality of second pressure through holes are arranged between the upper surface and the lower surface of the pressure resistance plate, a cross-shaped sliding groove is arranged between the pressure tube and the protection tube, when the measured pressure is about to exceed the limited pressure of the bourdon tube, a mounting plate can drive a blocking rod to block the second pressure through holes on the pressure resistance plate, the pressure can not enter the inner side of the bourdon tube, and the bourdon tube can be prevented from being damaged due to overlarge pressure, the service life of the pressure gauge is indirectly prolonged.
Description
Technical Field
The utility model relates to the technical field of pressure gauges, in particular to a pressure gauge with a protection function.
Background
The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very commonly applied and almost extends to all the fields of industrial processes and scientific researches. 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.
The pressure gauge is characterized in that the pressure gauge transmits pressure deformation to the pointer through elastic deformation of sensitive elements in the gauge, such as a Bourdon tube, a diaphragm capsule and a corrugated tube, and the pointer rotates to display pressure due to the fact that the pressure deformation is transmitted to the pointer through a conversion mechanism of a movement in the gauge.
When the pressure gauge is used, if the pressure of a measured object is greater than the limit pressure of a sensitive element, the pressure gauge is easy to damage.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
Aiming at the problems in the prior art, the utility model aims to provide a pressure gauge with a protection function, when the measured pressure is about to exceed the limited pressure of a Bourdon tube, a mounting plate can drive a blocking rod to block a second through-pressure hole in a pressure blocking plate, and the pressure cannot enter the inner side of the Bourdon tube, so that the damage of the Bourdon tube caused by overlarge pressure can be avoided, and the service life of the pressure gauge is indirectly prolonged.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A pressure gauge with a protection function comprises a pressure tube, wherein the top end of the pressure tube is fixedly connected with a pressure gauge, a bourdon tube is arranged in the pressure gauge, a protection tube is fixedly connected onto the side wall of the pressure tube, a through groove is formed in the top end of the protection tube, a connecting plate is fixedly connected onto the inner wall of the protection tube, a first pressure through hole is formed between the upper surface and the lower surface of the connecting plate, a pressure resistance plate is fixedly connected onto the inner wall of the pressure tube, a plurality of second pressure through holes are formed between the upper surface and the lower surface of the pressure resistance plate, a cross-shaped sliding groove is formed between the pressure tube and the protection tube, a C-shaped linkage rod is connected onto the inner side of the sliding groove in a sliding manner, one side of the linkage rod is located on the inner side of the protection tube, the other side of the linkage rod is located on the inner side of the protection tube, and one end of the linkage rod located on the inner side of the protection tube penetrates through the connecting plate and is connected with the connecting plate in a sliding manner, the linkage rod is characterized in that a piston is fixedly connected to the top end of the linkage rod on the inner side of the protection tube and is connected with the inner wall of the protection tube in a sliding mode, an extension spring is fixedly connected between the bottom face of the piston and the top face of the connecting plate, and a mounting plate is fixedly connected to the top end of the linkage rod on the inner side of the pressure tube.
Further, fixedly connected with slider on the outer wall of gangbar, the slider is located the inboard of spout, slider and spout sliding connection increase the stability of gangbar when the spout slides through setting up the slider.
Further, the limiting plates that two symmetries set up are fixedly connected with on the outer wall of gangbar, the limiting plate is located the both sides of spout respectively, two wall between the limiting plate pastes with the wall between pressure pipe and the protection tube mutually, has further increased the stability of gangbar when removing through setting up of limiting plate, has avoided the gangbar to take place the skew when removing simultaneously.
Further, a plurality of stifled poles of top fixedly connected with of mounting panel, it is a plurality of the quantity and a plurality of stifled pole the quantity in second through-pressure hole equals and single stifled pole is located single second through-pressure hole under, stifled pole equals with the size in second through-pressure hole, through stifled pole and to the setting in second through-pressure hole, when the mounting panel rebound, stifled pole can be stopped up second through-pressure hole.
Further, the length of spout is greater than the distance between mounting panel to the second through-pressure hole, through the setting to spout and mounting panel and second through-pressure hole, has avoided the spout to excessively influence reciprocating of mounting panel to lead to the circumstances of stifled pole unable insertion second through-pressure hole inside to take place.
Furthermore, two ends of the linkage rod are on the same horizontal plane.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) this scheme is when the confined pressure that will surpass the bourdon tube by the pressure of being surveyed, and the mounting panel can drive the stifled pole and block up the second through-pressure hole on the pressure blocking plate, and at this moment pressure can't enter into the inboard of bourdon tube, just can avoid leading to the bourdon tube to damage because of pressure is too big, indirect increase the life of manometer.
(2) The outer wall of the linkage rod is fixedly connected with a sliding block, the sliding block is located on the inner side of the sliding groove, the sliding block is connected with the sliding groove in a sliding mode, and the stability of the linkage rod when the linkage rod slides in the sliding groove is improved through the arrangement of the sliding block.
(3) The limiting plates are fixedly connected to the outer wall of the linkage rod and symmetrically arranged, the limiting plates are located on two sides of the sliding groove respectively, the wall between the two limiting plates is attached to the wall between the pressure pipe and the protection pipe, the stability of the linkage rod when the linkage rod moves is further improved through the limiting plates, and meanwhile the linkage rod is prevented from shifting when the linkage rod moves.
(4) The top fixedly connected with of mounting panel a plurality of stifled poles, the quantity of a plurality of stifled poles equals with the quantity in a plurality of second through-pressure holes and single stifled pole is located single second through-pressure hole under, the stifled pole equals with the size in second through-pressure hole, through stifled pole and to the setting in second through-pressure hole, when the mounting panel rebound, the stifled pole can be stopped up the second through-pressure hole.
(5) The length of spout is greater than the distance between mounting panel to the second through-pressure hole, through the setting to spout and mounting panel and second through-pressure hole, has avoided the spout to excessively influence reciprocating of mounting panel to lead to the circumstances of stifled pole unable insertion second through-pressure downthehole portion to take place.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front sectional view of the present invention;
FIG. 3 is a schematic top view of the cross-sectional structure of the present invention.
The reference numbers in the figures illustrate:
1. a pressure pipe; 2. protecting the tube; 3. a connecting plate; 4. a pressure resistance plate; 5. a chute; 6. a linkage rod; 7. a slider; 8. a limiting plate; 9. blocking the rod; 10. a through groove; 11. a piston; 12. an extension spring; 13. mounting a plate; 14. and a second vent hole.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, a pressure gauge with a protection function comprises a pressure tube 1, a pressure gauge is fixedly connected to the top end of the pressure tube 1, a bourdon tube is installed inside the pressure gauge, a protection tube 2 is fixedly connected to the side wall of the pressure tube 1, a through groove 10 is formed in the top end of the protection tube 2, a connection plate 3 is fixedly connected to the inner wall of the protection tube 2, a first pressure through hole is formed between the upper surface and the lower surface of the connection plate 3, a pressure resistance plate 4 is fixedly connected to the inner wall of the pressure tube 1, a plurality of second pressure through holes 14 are formed between the upper surface and the lower surface of the pressure resistance plate 4, a cross-shaped sliding groove 5 is formed between the pressure tube 1 and the protection tube 2, a C-shaped linkage rod 6 is slidably connected to the inner side of the sliding groove 5, a sliding block 7 is fixedly connected to the outer wall of the linkage rod 6, the sliding block 7 is located at the inner side of the sliding groove 5, the sliding stability of the linkage rod 6 when sliding in the sliding groove 5 is increased by arranging the sliding block 7, the outer wall of the linkage rod 6 is fixedly connected with two limiting plates 8 which are symmetrically arranged, the limiting plates 8 are respectively positioned at two sides of the sliding groove 5, the wall surface between the two limiting plates 8 is attached to the wall surface between the pressure pipe 1 and the protective pipe 2, the stability of the linkage rod 6 during movement is further improved through the arrangement of the limiting plates 8, meanwhile, the deflection of the linkage rod 6 during movement is avoided, one side of the linkage rod 6 is positioned at the inner side of the protective pipe 2, the other side of the linkage rod 6 is positioned at the inner side of the pressure pipe 1, one end of the linkage rod 6 positioned at the inner side of the protective pipe 2 penetrates through the connecting plate 3 and is in sliding connection with the connecting plate, two ends of the linkage rod 6 are positioned on the same horizontal plane, the top end of the linkage rod 6 positioned at the inner side of the protective pipe 2 is fixedly connected with a piston 11, the piston 11 is in sliding connection with the inner wall of the protective pipe 2, and an extension spring 12 is fixedly connected between the bottom surface of the piston 11 and the top surface of the connecting plate 3, the top end of the linkage rod 6 positioned at the inner side of the pressure pipe 1 is fixedly connected with a mounting plate 13: the top fixedly connected with of mounting panel 13 a plurality of stifled poles 9, the quantity of a plurality of stifled poles 9 equals with the quantity of a plurality of second through-pressure holes 14 and single stifled pole 9 is located single second through-pressure holes 14 under, stifled pole 9 equals with the size of second through-pressure holes 14, through stifled pole 9 and to the setting in second through-pressure holes 14, when mounting panel 13 rebound, stifled pole 9 can plug up second through-pressure holes 14, the length of spout 5 is greater than the distance between mounting panel 13 to second through-pressure holes 14, through the setting to spout 5 and mounting panel 13 and second through-pressure holes 14, the condition that the reciprocating that has avoided spout 5 excessively to influence mounting panel 13 leads to stifled pole 9 can't insert the inside of second through-pressure holes 14 takes place.
When the device is used, the pressure pipe 1 can be arranged on a device such as a pipeline, the pressure in the pipeline enters the pressure gauge and the pressure pipe 1, the pressure gauge can display the pressure when the pressure enters the protection pipe 2, the piston 11 is pushed upwards, the piston 11 can drive the mounting plate 13 to move upwards through the linkage rod 6 when moving upwards, the extension spring 12 is also extended, the extension spring 12 is extended when the pressure is increased, the mounting plate 13 just moves to be attached to the bottom surface of the pressure blocking plate 4 when the pressure is close to the limit pressure of the bourdon tube, the blocking rod 9 is inserted into the second through-pressure hole 14, the pressure blocking plate 4 can play a role in blocking the pressure, the situation that the bourdon tube bursts due to the continuous increase of the pressure is prevented, if the pressure is decreased, the extension spring 12 contracts to drive the piston 11 to move downwards, the mounting plate 13 is driven to move downwards through the linkage rod 6 when the piston 11 moves downwards, the blocking rod 9 is pulled out from the second through-pressure hole 14, and the pressure can enter the pressure gauge again to display the pressure; compared with the prior art, when the measured pressure is about to exceed the limited pressure of the Bourdon tube, the mounting plate 13 can drive the blocking rod 9 to block the second through-pressure hole 14 on the pressure blocking plate 4, at the moment, the pressure cannot enter the inner side of the Bourdon tube, the damage of the Bourdon tube caused by overlarge pressure can be avoided, and the service life of the pressure gauge is indirectly prolonged.
The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (6)
1. The utility model provides a manometer with protect function, includes pressure pipe (1), the top fixedly connected with manometer of pressure pipe (1), the internally mounted of manometer has bourdon tube, its characterized in that: fixedly connected with protection tube (2) on the lateral wall of pressure pipe (1), logical groove (10) have been seted up on the top of protection tube (2), fixedly connected with connecting plate (3) on the inner wall of protection tube (2), set up first logical pressure hole between the upper and lower face of connecting plate (3), fixedly connected with holding plate (4) on the inner wall of pressure pipe (1), set up a plurality of second through pressure holes (14) between the upper and lower face of holding plate (4), set up cross spout (5) between pressure pipe (1) and protection tube (2), the inboard sliding connection of spout (5) has linkage rod (6) of C word form, one side of linkage rod (6) is located the inboard of protection tube (2), the opposite side of linkage rod (6) is located the inboard of pressure pipe (1), is located the one end of the inboard linkage rod (6) of protection tube (2) runs through connecting plate (3) and sliding connection with it, lie in top fixedly connected with piston (11) of gangbar (6) of protection tube (2) inboard, the inner wall sliding connection of piston (11) and protection tube (2), fixedly connected with extension spring (12) is located between the bottom surface of piston (11) and the top surface of connecting plate (3) the top fixedly connected with mounting panel (13) of gangbar (6) of pressure pipe (1) inboard.
2. The pressure gauge with the protection function according to claim 1, characterized in that: the linkage rod is characterized in that a sliding block (7) is fixedly connected to the outer wall of the linkage rod (6), the sliding block (7) is located on the inner side of the sliding groove (5), and the sliding block (7) is connected with the sliding groove (5) in a sliding mode.
3. The pressure gauge with the protection function according to claim 1, characterized in that: the linkage rod is characterized in that two limiting plates (8) which are symmetrically arranged are fixedly connected to the outer wall of the linkage rod (6), the limiting plates (8) are respectively located on two sides of the sliding groove (5), and the wall surface between the limiting plates (8) is attached to the wall surface between the pressure pipe (1) and the protection pipe (2).
4. The pressure gauge with the protection function according to claim 1, characterized in that: the top fixedly connected with of mounting panel (13) is a plurality of stifled pole (9), and is a plurality of the quantity and a plurality of stifled pole (9) the quantity of second through pressure hole (14) equals and single stifled pole (9) are located single second through pressure hole (14) under, stifled pole (9) and the size of second through pressure hole (14) equal.
5. The pressure gauge with the protection function according to claim 1, characterized in that: the length of the sliding groove (5) is larger than the distance between the mounting plate (13) and the second through pressure hole (14).
6. The pressure gauge with the protection function according to claim 1, characterized in that: the two ends of the linkage rod (6) are on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191352.8U CN216386067U (en) | 2021-09-10 | 2021-09-10 | Pressure gauge with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191352.8U CN216386067U (en) | 2021-09-10 | 2021-09-10 | Pressure gauge with protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216386067U true CN216386067U (en) | 2022-04-26 |
Family
ID=81242358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122191352.8U Expired - Fee Related CN216386067U (en) | 2021-09-10 | 2021-09-10 | Pressure gauge with protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216386067U (en) |
-
2021
- 2021-09-10 CN CN202122191352.8U patent/CN216386067U/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: 20220426 |