CN211347205U

CN211347205U - Pressure instrument

Info

Publication number: CN211347205U
Application number: CN201922233524.6U
Authority: CN
Inventors: 张建华
Original assignee: Suzhou Bestman Automation Equipment Co Ltd
Current assignee: Suzhou Bestman Automation Equipment Co Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-08-25
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a pressure instrument, relating to the technical field of pressure gauges, comprising a base, a first damping mechanism, a fixed plate, a protective box and a box cover, the manometer, second damper, the screwed pipe, the fixed connection ring, hose and pipe joint, the pipe joint is detachable to be fixed in on the base, first damper's lower extreme is fixed in the upper surface of base, first damper's upper end is fixed in the lower surface of fixed plate, the lower extreme of hose is fixed in the upper end of pipe joint, the upper end of hose is fixed in the screwed pipe lower extreme, the upper end of screwed pipe is fixed in the lower extreme of manometer, the top and the case lid of protective housing can be dismantled and be connected, the fixed connection ring is fixed in the lower surface of protective housing, screwed pipe and fixed connection ring threaded connection, the fixed connection ring is located the fixed plate top, second damper is two, two second damper are fixed in the both sides of manometer respectively. The utility model discloses have damping device, avoid the pipeline vibrations to influence the life of manometer.

Description

Pressure instrument

Technical Field

The utility model relates to a manometer technical field especially relates to a pressure instrument.

Background

The pressure instrument is suitable for measuring the pressure of liquid, gas or steam with the properties of no corrosion, no crystallization, no solidification, no precipitation and the like. The pressure sensor is widely applied to industrial departments such as petroleum, chemical industry, chemical fiber, metallurgy, power stations and the like, and is used for measuring the pressure of various fluid media in a process flow with higher requirements on corrosion resistance and vibration resistance.

Most of current pressure instrument with pipeline fixed weld, inconvenient installation adopts the exposed formula installation in the use, does not have protective structure, harms easily to current pressure instrument and measuring object rigid connection lead to the pressure instrument can follow and produce vibrations, and long-time vibrations can make the pressure instrument damage, influence the life of pressure instrument.

Therefore, there is a high demand for a new pressure meter in the market to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pressure instrument for solve the technical problem who exists among the above-mentioned prior art, be equipped with protector, effectively avoid damaging, improve the shock attenuation effect, increase the life of manometer.

In order to achieve the above object, the utility model provides a following scheme:

the utility model discloses a pressure instrument, which comprises a base, a first damping mechanism, a fixed plate, a protective box, a box cover, a pressure gauge, a second damping mechanism, a threaded pipe, a fixed connecting ring, a hose and a pipe joint, wherein the base is provided with a groove, the pipe joint is detachably fixed in the groove, the lower end of the first damping mechanism is fixed on the upper surface of the base, the upper end of the first damping mechanism is fixed on the lower surface of the fixed plate, the lower end of the hose is communicated with the upper end of the pipe joint, the upper end of the hose is communicated with the lower end of the threaded pipe, the fixed plate is provided with a threaded hole, the threaded pipe is in threaded connection with the threaded hole, the upper end of the threaded pipe is fixed on the lower end of the pressure gauge, the inner cavity of the threaded pipe is communicated with the inside of the pressure gauge, the pressure gauge is, the top of protective housing with the connection can be dismantled to the case lid, the protective housing bottom has a central through-hole, the screwed pipe passes the central through-hole, fixed connection ring is fixed in the lower surface of protective housing, fixed connection ring has the internal thread, the screwed pipe with fixed connection ring threaded connection, fixed connection ring is located the fixed plate top, second damper is two, two second damper is fixed in respectively on the both sides of manometer, second damper's first end is fixed in on the inner wall of protective housing, second damper's second end is fixed in the manometer.

Preferably, the number of the first damping mechanisms is two, the two first damping mechanisms are symmetrically distributed about the threaded pipe, each first damping mechanism comprises a telescopic rod and a first spring, the upper end of each telescopic rod is fixed to the lower surface of the corresponding fixing plate, the lower end of each telescopic rod is fixed to the upper surface of the corresponding base, the upper end of each first spring is fixed to the lower surface of the corresponding fixing plate, the lower end of each first spring is fixed to the upper surface of the corresponding base, and the telescopic rods are located on the inner rings of the first springs.

Preferably, the second damping mechanism comprises a hollow tube, a connecting tube, a first slider, a damping rod, a second spring, a second slider and a third spring, the first end of the hollow tube is fixed on the inner wall of the protection box, the second end of the hollow tube is provided with a first through hole, the first end of the connecting tube is fixed on the inner wall of the first end of the hollow tube, the first end of the connecting tube is provided with a second through hole, the second end of the connecting tube is provided with a third through hole, the inner diameter of the third through hole is larger than that of the second through hole, the first end of the third spring passes through the second through hole, the first end of the third spring is fixed on the inner wall of the first end of the hollow tube, the second end of the third spring is fixed on the first end of the second slider, the second end of the second slider is fixed on the first end of the second spring, the second end of the second spring is fixed on the first end of the first slider, the second end of the first sliding block is fixed at the first end of the shock absorption rod, the diameter of the first sliding block is larger than the inner diameter of the third through hole, the shock absorption rod penetrates through the first through hole and the third through hole, and the second end of the shock absorption rod is fixed relative to the pressure gauge.

Preferably, still include the rubber pad, the first end of rubber pad is fixed in the second end of shock attenuation pole, the second end of rubber pad is fixed in on the manometer.

Preferably, the sealing device further comprises two sealing rings, connectors are arranged on two sides of the groove, connecting portions are arranged at two ends of the pipeline joint, the connecting portions are detachably connected with the connectors respectively, and the two sealing rings are sleeved at two ends of the pipeline joint respectively.

Preferably, the protective box is made of transparent materials.

Preferably, the pressure gauge further comprises a rotating wheel, and the rotating wheel is fixed at the upper end of the pressure gauge.

Preferably, the base further comprises a plurality of screws, the base is provided with a plurality of fourth through holes, the screws penetrate through the fourth through holes, and the screws are used for fixing the base on a position needing to be installed.

The utility model discloses for prior art gain following technological effect:

1. receive pressure simultaneously through telescopic link and first spring and stretch out and draw back, play buffering absorbing effect, prevent that the manometer from damaging because of long-time vibrations, improve life.

2. Through the shock attenuation pole atress through first slider promotion second spring shock attenuation buffering, the shock attenuation pole vibrations are cushioned and are unloaded the power, and the second slider makes the third spring compression further play the cushioning effect simultaneously, cushions external impact through dual shock attenuation, makes the manometer of protective housing inside can not receive the impact damage, plays the guard action, and is not fragile, improves life.

3. The sealing ring is sleeved outside the pipeline joint, so that the sealing performance of connection between the pipeline joint and the connector can be improved, and the use is convenient.

4. Make the rigid contact between shock attenuation pole and the manometer become soft contact through two rubber pads, effectual reduction impact force, the normal work of protection manometer just is not fragile.

5. The protective box made of transparent materials can protect the pressure gauge, and a user can conveniently observe the measurement data of the pressure gauge.

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 diagram of a pressure gauge according to the present embodiment;

FIG. 2 is an enlarged schematic view of the point A in FIG. 1;

FIG. 3 is an enlarged schematic view of the embodiment at B in FIG. 1;

fig. 4 is a schematic structural view of a second damping mechanism according to the present embodiment.

In the figure: 1. a base; 2. a screw; 3. a first damper mechanism; 301. a telescopic rod; 302. a first spring; 4. a fixing plate; 5. a protective box; 6. a box cover; 7. a pressure gauge; 8. a second damper mechanism; 801. a hollow tube; 802. a connecting pipe; 803. a first slider; 804. a shock-absorbing lever; 805. a second spring; 806. a second slider; 807. a third spring; 9. a rotating wheel; 10. a threaded pipe; 11. fixing a connecting ring; 12. a hose; 13. a pipe joint; 14. a connecting port; 15. a seal ring; 16. and (7) a rubber pad.

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.

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.

As shown in fig. 1 to 4, the present embodiment provides a pressure instrument, which includes a base 1, a first damping mechanism 3, a fixing portion 4, a protection box 5, a box cover 6, a pressure gauge 7, a second damping mechanism 8, a threaded pipe 10, a fixed connection ring 11, a hose 12, and a pipe joint 13. The center of the base 1 is provided with a groove, the pipe joint 13 is detachably connected in the groove, wherein the pipe joint 13 can be purchased in the market. The lower extreme of first damper 3 is fixed in the upper surface of base 1, and the upper end of first damper 3 is fixed in the lower surface of fixed part 4, can effectively reduce the vertical vibrations of manometer 7 through first damper 3. The lower end of the hose 12 is fixed at the upper end of the pipe joint 13, the inner cavity of the hose 12 is communicated with the inner cavity of the pipe joint 13, the upper end of the hose 12 is fixed at the lower end of the threaded pipe 10, the inner cavity of the hose 12 is communicated with the inner cavity of the threaded pipe 10, in the vibration process of the pipeline, the base 1 and the fixing part 4 can vibrate relatively, the distance between the base 1 and the fixing part 4 can change accordingly, and therefore the hose 12 is arranged, the rigid connection is converted into the flexible connection, the relative deformation is caused along with the vibration, and fluid is transferred. The central point of fixed part 4 puts and has the screw hole, screwed pipe 10 and screw hole threaded connection, and the upper end of screwed pipe 10 is fixed in the lower extreme of manometer 7, and the inner chamber of screwed pipe 10 is linked together with the inside of manometer 7, through the threaded fixation of screwed pipe 10 and fixed part 4, realizes the positioning action of screwed pipe 10 in vertical direction. The pressure gauge 7 is fixed in the protective box 5, the top of the protective box 5 is detachably connected with the box cover 6, and if the device in the protective box 5 is damaged, the box cover 6 can be opened to repair or replace the device. Protection box 5 bottom has a central through hole, and screwed pipe 10 passes central through hole, and fixed go-between 11 is fixed in the lower surface of protection box 5, and fixed go-between 11 has the internal thread, and screwed pipe 10 and fixed go-between 11 threaded connection, and fixed go-between 11 is located fixed part 4 top, through the threaded connection of fixed go-between 11 and screwed pipe 10, realizes the technological effect of fixed screwed pipe 10, avoids screwed pipe 10 to take place vertical displacement in the use. The number of the second damping mechanisms 8 is two, the two second damping mechanisms 8 are fixed to two sides of the pressure gauge 7 respectively, the first ends of the second damping mechanisms 8 are fixed to the inner wall of the protective box 5, the second ends of the second damping mechanisms 8 are fixed to the pressure gauge 7, the two second damping mechanisms 8 are fixed to the left side and the right side of the pressure gauge 7, and transverse damping of the pressure gauge 7 is achieved.

When the pipeline connector is used, the pipeline connector 13 is clamped on a pipeline connector to be installed, and then the base 1 is fixed on the outer wall of the pipeline to be installed. After entering from the pipeline interface, the fluid passes through the hose 12 and the threaded pipe 10 in sequence, and finally enters the pressure gauge 7 for measurement. When the pipeline shakes, the base 1 is fixed on the outer wall of the pipeline, so that the bottom plate shakes together with the pipeline. First damper 3 can effectual reduction vibrations, avoids too big vibration direct transfer to give manometer 7. When manometer 7 rocked along with the sense of vibration, second damper 8 can effectively slow down the condition of rocking of manometer 7 simultaneously, avoids leading to manometer 7 to damage because too big and long-time vibrations.

Specifically, as for the structure of the first damper mechanism 3, two first damper mechanisms 3 are provided in the present embodiment, and two first damper mechanisms 3 are symmetrically distributed about the threaded pipe 10, and those skilled in the art may also provide a plurality of first damper mechanisms, as long as they are distributed in an array about the threaded pipe 10. The first damping mechanism 3 comprises an expansion link 301 and a first spring 302, the upper end of the expansion link 301 is fixed on the lower surface of the fixing portion 4, the lower surface of the expansion link 301 is fixed on the upper surface of the base 1, the upper end of the first spring 302 is fixed on the lower surface of the fixing portion 4, the lower end of the first spring 302 is fixed on the upper surface of the base 1, and the expansion link 301 is located at the inner ring of the first spring 302. When the fixing portion 4 is pressed toward the base 1, the expansion link 301 is contracted, and the spring is compressed, thereby performing a buffering function.

Specifically, as for the structure of the second damper mechanism 8, the second damper mechanism 8 in this embodiment includes a hollow tube 801, a connecting tube 802, a first slider 803, a damper rod 804, a second spring 805, a second slider 806, and a third spring 807. The first end of the hollow pipe 801 is fixed on the inner wall of the protective box 5, the second end of the hollow pipe 801 is provided with a first through hole, and the first end of the connecting pipe 802 is fixed on the inner wall of the first end of the hollow pipe 801. The first end of the connecting pipe 802 has a second through hole, the second end of the connecting pipe 802 has a third through hole, and the inner diameter of the third through hole is larger than that of the second through hole. The first end of the third spring 807 passes through the second through hole, and the first end of the third spring 807 is fixed on the inner wall of the first end of the hollow tube 801. The second end of the third spring 807 is fixed to the first end of the second slider 806, the second end of the second slider 806 is fixed to the first end of the second spring 805, the second end of the second spring 805 is fixed to the first end of the first slider 803, the second end of the first slider 803 is fixed to the first end of the shock rod 804, the diameter of the first slider 803 is larger than that of the third through hole, the shock rod 804 passes through the first through hole and the third through hole, and the second end of the shock rod 804 is fixed to the pressure gauge 7. When the pressure gauge 7 shakes, the damper rod 804 of one side contracts to sequentially compress the second spring 805 and the third spring 807, and the damper rod 804 of the other side extends to sequentially stretch the second spring 805 and the third spring 807. Buffer external impact through dual shock attenuation, make 5 inside manometer 7 of protective housing can not receive the impact damage, play the guard action, it is not fragile, improve life.

For further buffering, rubber pad 16 is further included in this embodiment, a first end of rubber pad 16 is fixed to a second end of shock absorbing rod 804 by glue, and a second end of rubber pad 16 is fixed to pressure gauge 7 by glue. Avoid shock attenuation pole 804 direct and manometer 7 contact, turn into the flexible piece with the rigidity, play a cushioning effect to can avoid manometer 7 casing to be damaged by shock attenuation pole 804.

In the connection process, in order to prevent the leakage of the fluid, the present embodiment further includes a sealing ring 15, two ends of the pipe joint 13 have connecting portions, two sides of the groove have connecting ports 14, the two connecting portions are detachably fixed to the two connecting ports 14, and the sealing ring 15 is sleeved at two ends of the pipe joint 13. This arrangement effectively prevents fluid in the conduit from escaping from the connection port 14. The installation mode of the seal ring 15 is adjusted according to the connection mode of the pipe joint 13 and the connection port 14.

In order to observe the value of the pressure gauge 7 at any time, in the embodiment, the protection box 5 is made of transparent material, such as organic glass or other transparent materials. Not only can be convenient for observe numerical value, but also can protect the pressure gauge 7.

During installation, the threaded pipe 10 needs to be twisted through the fixed coupling ring and the fixed part 4 in turn, and thus the pressure gauge 7 needs to be turned. In this embodiment, the pressure gauge further comprises a rotating wheel 9, and the rotating wheel 9 is fixed at the upper end of the pressure gauge 7. In the installation process, a user only needs to rotate the rotating wheel 9, and the installation method is convenient and quick.

Before use, the base 1 should be fixed on the outer wall of the pipeline to be installed, in this embodiment, a plurality of screws 2 are further included, a plurality of fourth through holes are formed in the base 1, the screws 2 penetrate through the fourth through holes, and the screws 2 are used for fixing the base 1 on the position to be installed. During installation, the screw 2 only needs to penetrate through the fourth through hole and then is in threaded connection with the threaded hole in the outer wall of the pipeline.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; 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 specification should not be construed as a limitation of the present invention.

Claims

1. A pressure gauge, characterized by: the shock absorption device comprises a base, a first shock absorption mechanism, a fixing plate, a protective box, a box cover, a pressure gauge, a second shock absorption mechanism, a threaded pipe, a fixed connecting ring, a hose and a pipeline joint, wherein the base is provided with a groove, the pipeline joint is detachably fixed in the groove, the lower end of the first shock absorption mechanism is fixed on the upper surface of the base, the upper end of the first shock absorption mechanism is fixed on the lower surface of the fixing plate, the lower end of the hose is communicated with the upper end of the pipeline joint, the upper end of the hose is communicated with the lower end of the threaded pipe, the fixing plate is provided with a threaded hole, the threaded pipe is in threaded connection with the threaded hole, the upper end of the threaded pipe is fixed on the lower end of the pressure gauge, the inner cavity of the threaded pipe is communicated with the inside of the pressure gauge, the pressure gauge is fixed in, the protection box bottom has a central through-hole, the screwed pipe passes the central through-hole, fixed connection ring is fixed in the lower surface of protection box, fixed connection ring has the internal thread, the screwed pipe with fixed connection ring threaded connection, fixed connection ring is located the fixed plate top, second damper is two, two second damper is fixed in respectively the both sides of manometer, second damper's first end is fixed in on the inner wall of protection box, second damper's second end is fixed in the manometer.

2. A pressure gauge according to claim 1, wherein: the first damping mechanism is two, two the first damping mechanism is about the screwed pipe symmetric distribution, first damping mechanism includes telescopic link and first spring, the upper end of telescopic link with the lower surface of fixed plate is fixed mutually, the lower extreme of telescopic link with the upper surface of base is fixed mutually, the upper end of first spring is fixed in the lower surface of fixed plate, the lower extreme of first spring is fixed in the upper surface of base, the telescopic link is located the inner circle of first spring.

3. A pressure gauge according to claim 1, wherein: the second damping mechanism comprises a hollow pipe, a connecting pipe, a first sliding block, a damping rod, a second spring, a second sliding block and a third spring, the first end of the hollow pipe is fixed on the inner wall of the protection box, the second end of the hollow pipe is provided with a first through hole, the first end of the connecting pipe is fixed on the inner wall of the first end of the hollow pipe, the first end of the connecting pipe is provided with a second through hole, the second end of the connecting pipe is provided with a third through hole, the inner diameter of the third through hole is larger than that of the second through hole, the first end of the third spring penetrates through the second through hole, the first end of the third spring is fixed on the inner wall of the first end of the hollow pipe, the second end of the third spring is fixed on the first end of the second sliding block, the second end of the second sliding block is fixed on the first end of the second spring, and the second end of the second spring is fixed on the first end of the, the second end of the first sliding block is fixed at the first end of the shock absorption rod, the diameter of the first sliding block is larger than the inner diameter of the third through hole, the shock absorption rod penetrates through the first through hole and the third through hole, and the second end of the shock absorption rod is fixed relative to the pressure gauge.

4. A pressure gauge according to claim 3, wherein: the shock absorption device is characterized by further comprising a rubber pad, wherein the first end of the rubber pad is fixed at the second end of the shock absorption rod, and the second end of the rubber pad is fixed on the pressure gauge.

5. A pressure gauge according to claim 1, wherein: the sealing device is characterized by further comprising two sealing rings, connectors are arranged on two sides of the groove, connecting portions are arranged at two ends of the pipeline joint, the connecting portions are detachably connected with the connectors respectively, and the sealing rings are sleeved at two ends of the pipeline joint respectively.

6. A pressure gauge according to claim 1, wherein: the protective box is made of transparent materials.

7. A pressure gauge according to claim 1, wherein: still include the runner, the runner is fixed in the upper end of manometer.

8. A pressure gauge according to claim 1, wherein: the base is provided with a plurality of fourth through holes, the screws penetrate through the fourth through holes, and the screws are used for fixing the base on a position needing to be installed.