CN210141961U

CN210141961U - Casing set of shock-proof barometer

Info

Publication number: CN210141961U
Application number: CN201921149480.2U
Authority: CN
Inventors: 赵小龙
Original assignee: Suzhou Zhongli Instrument Co Ltd
Current assignee: Suzhou Power Meter Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-03-13
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a housing assembly of shock-resistant barometer belongs to manometer technical field. A casing group of a shock-proof barometer comprises a first casing, a second casing and a barometer body, wherein a damping rod is connected to the inner wall of the first casing, a damping pad matched with the second casing is arranged at one end, far away from the inner wall of the first casing, of the damping rod, the barometer body is connected to the inside of the second casing, a connector is connected to the outer wall of the first casing, a second piston is connected to the inside of the connector in a sliding manner, a second elastic part is connected to the top wall of the second piston, one end, far away from the second piston, of the second elastic part is connected with a third piston, the top wall of the third piston is connected with a connecting rod, and one end, far away from the second piston, of the connecting rod; the beneficial effects of the utility model reside in that can effectually avoid because of the vibrations of medium, take place pulsation impact suddenly and the condition that makes the barometer measuring result inaccurate and take place to damage suddenly off-load.

Description

Casing set of shock-proof barometer

Technical Field

The utility model relates to a manometer technical field especially relates to a casing group of shock-resistant barometer.

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, and the pressure gauge transmits the pressure deformation to the pointer through the elastic deformation of the sensitive element in the meter and a conversion mechanism of a core in the meter so as to cause the pointer to rotate to display the pressure.

The environment that the manometer used can produce certain vibrations mostly, consequently can influence the manometer measuring and change the accuracy, when the manometer is measured in addition, because of receiving the circumstances such as the pulsation impact of medium, thereby can appear the circumstances of assaulting and off-load suddenly, thereby cause the circumstances that takes place the damage such as manometer pointer and drive mechanism easily, thereby influence the normal use of manometer, consequently one kind can effectively avoid vibrations, the casing group that the pulsation impact and sudden off-load scheduling problem produced harm to the manometer is particularly important.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a casing group of a shock-proof barometer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a housing group of shock-resistant barometer, includes first casing, second casing and barometer body, be connected with the shock attenuation pole on the first casing inner wall, the one end that first casing inner wall was kept away from to the shock attenuation pole is provided with second casing assorted shock pad, just the shock pad offsets with second casing outer wall, this body coupling of barometer is inside the second casing, be connected with the connector on the first casing outer wall, the inside sliding connection of connector has the second piston, be connected with the second elastic component on the second piston roof, the one end that the second piston was kept away from to the second elastic component is connected with the third piston, be connected with the connecting rod on the third piston roof, the one end that the second piston was kept away from to the connecting rod is passed first casing and second casing and is connected with the drive mechanism of barometer body.

Preferably, the shock-absorbing rod comprises an outer rod and an inner rod, a first piston is connected inside the outer rod, a first elastic part is connected between the first piston and the inner wall of the outer rod, the outer wall, far away from the first elastic part, of the first piston is connected with the inner rod, and one end, far away from the first piston, of the inner rod is connected with the shock-absorbing pad.

Preferably, the barometer body includes calibrated scale, pointer and drive mechanism, the calibrated scale links to each other with the inside fixed of second casing, be connected with the axis of rotation on the calibrated scale roof, the pointer is connected on the axis of rotation outer wall, drive mechanism connects on the one end outer wall that the calibrated scale was passed in the axis of rotation, the one end that drive mechanism kept away from the calibrated scale links to each other with the connecting rod.

Preferably, damping fluid is filled between the second machine shell and the top wall of the dial, and the top wall of the second machine shell is provided with an upper glass cover.

Preferably, a sealing rubber ring is arranged on the outer wall of the connector.

Compared with the prior art, the utility model provides a housing assembly of shock-resistant barometer possesses following beneficial effect:

1. when the shell assembly of the shock-proof barometer is used, the barometer is connected with equipment to be tested through the connector, the barometer body is arranged in the second shell, when a tested medium generates strong shock, the shock is acted on the shock pad through the shock absorption rod arranged between the second shell and the first shell, so that the shock can drive the inner rod to contract, the shock pad is tightly abutted against the second shell under the action of the elastic force of the first elastic part through the arrangement of the first elastic part, therefore, the second shell can be stably connected in the first shell, thereby effectively avoiding the error of the barometer measurement caused by the shock of the medium, when the tested medium generates the impulse shock suddenly through the buffer mechanism arranged in the connector, the medium can firstly act on the second piston and then acts on the second elastic part arranged at the top of the second piston, through the second elastic part, the pulsation impact can be effectively buffered, the pressure generated by the medium can act on the third piston through the second elastic part, then acts on the transmission mechanism of the barometer body through the connecting rod, so that the rotating shaft is driven to rotate, and then the pointer is driven to display a corresponding pressure index, so that the situation that the pointer exceeds the measurement range and is damaged due to strong impact applied to the transmission mechanism by the pulsation impact can be effectively avoided through the second piston, the second elastic part and the third piston, the situation that the pointer is damaged due to the fact that the pointer is instantaneously returned to the zero position to collide with the zero position rod when sudden unloading occurs is avoided through the damping liquid arranged between the second shell and the dial plate, and the situation that the pointer is damaged due to collision is effectively avoided, thereby influence the use of barometer body, setting through the sealing rubber ring, thereby guarantee the gas tightness that the connector is connected with the medium, thereby further guarantee measuring result's accuracy, consequently, through first casing, the second casing, the shock absorber rod, first elastic component and second elastic component can effectually avoid because of the vibrations of medium, take place the pulsation impact suddenly and make the barometer measuring result inaccurate and take place the condition of damage with the sudden unloading, thereby the life of effectual increase barometer, reduce the expenditure cost for the enterprise.

Drawings

Fig. 1 is a first schematic structural view of a case set of a shock-resistant barometer according to the present invention;

fig. 2 is a second schematic structural view of a case set of the shock-resistant barometer according to the present invention;

fig. 3 is a third schematic structural view of a case set of the shock-resistant barometer according to the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 of a case assembly of a shock-resistant barometer according to the present invention;

fig. 5 is a schematic view of a shock absorbing rod structure of a case set of a shock-proof barometer according to the present invention.

In the figure: 1. a first housing; 2. a second housing; 201. damping fluid; 202. a glass upper cover; 3. a barometer body; 301. a dial scale; 302. a pointer; 303. a transmission mechanism; 4. a shock-absorbing lever; 401. a shock pad; 402. an outer rod; 403. an inner rod; 404. a first piston; 405. a first elastic member; 5. a connector; 501. a second piston; 502. a second elastic member; 503. a third piston; 504. a connecting rod; 505. and sealing the rubber ring.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a case set of a shock-proof barometer comprises a first case 1, a second case 2 and a barometer body 3, wherein a shock-absorbing rod 4 is connected to the inner wall of the first case 1, a shock-absorbing pad 401 matched with the second case 2 is arranged at one end of the shock-absorbing rod 4 far away from the inner wall of the first case 1, and shock pad 401 offsets with the outer wall of second casing 2, barometer body 3 is connected inside second casing 2, be connected with connector 5 on the outer wall of first casing 1, the inside sliding connection of connector 5 has second piston 501, be connected with second elastic component 502 on the second piston 501 roof, the one end that second piston 501 was kept away from to second elastic component 502 is connected with third piston 503, be connected with connecting rod 504 on the third piston 503 roof, the one end that second piston 501 was kept away from to connecting rod 504 passes first casing 1 and second casing 2 and is connected with the drive mechanism 303 of barometer body 3.

Referring to fig. 5, the damper rod 4 includes an outer rod 402 and an inner rod 403, a first piston 404 is connected inside the outer rod 402, a first elastic member 405 is connected between the first piston 404 and the inner wall of the outer rod 402, the outer wall of the first piston 404 away from the first elastic member 405 is connected to the inner rod 403, and the end of the inner rod 403 away from the first piston 404 is connected to the damper pad 401.

Referring to fig. 1 to 3, the barometer body 3 includes a dial 301, a pointer 302 and a transmission mechanism 303, the dial 301 is fixedly connected with the inside of the second housing 2, a rotating shaft is connected to the top wall of the dial 301, the pointer 302 is connected to the outer wall of the rotating shaft, the transmission mechanism 303 is connected to the outer wall of one end of the rotating shaft penetrating through the dial 301, and one end of the transmission mechanism 303 far away from the dial 301 is connected with the connecting rod 504.

Referring to fig. 1-2, damping fluid 201 is filled between the second housing 2 and the top wall of the dial 301, and a glass upper cover 202 is disposed on the top wall of the second housing 2.

Referring to fig. 1-4, a sealing rubber ring 505 is disposed on the outer wall of the connecting head 5.

When the device is used, the barometer is connected with a device to be tested through the connector 5, the barometer body 3 is arranged in the second shell 2, when a medium to be tested generates strong vibration, the vibration acts on the shock pad 401 through the shock absorption rod 4 arranged between the second shell 2 and the first shell 1, and then the shock absorption rod 403 is driven to contract, the shock pad 401 is tightly abutted against the second shell 2 under the action of the elastic force of the first elastic piece 405 through the arrangement of the first elastic piece 405, so that the second shell 2 is stably connected in the first shell 1, the measurement error of the barometer caused by the vibration of the medium is effectively avoided, when the medium to be tested generates pulse impact suddenly through the buffer mechanism arranged in the connector 5, the medium acts on the second piston 501 firstly and then acts on the second elastic piece 502 arranged at the top of the second piston 501, through the second elastic piece 502, the pulsation impact can be effectively buffered, the pressure generated by the medium can act on the third piston 503 through the second elastic piece 502, then acts on the transmission mechanism 303 of the barometer body 3 through the connecting rod 504, the rotating shaft is driven to rotate, and the pointer 302 is driven to display a corresponding pressure index, so that through the second piston 501, the second elastic piece 502 and the third piston 503, the situation that the pointer 302 exceeds the measurement range and is damaged due to strong impact applied to the transmission mechanism 303 by the pulsation impact can be effectively avoided, through the damping liquid 201 arranged between the second casing 2 and the dial 301, when sudden unloading occurs, through the arrangement of the damping liquid 201, the pointer 302 can be prevented from instantly returning to the zero position to collide with the zero-position rod, thereby the effectual pointer 302 of avoiding takes place the condition of damage because of the collision, thereby influence the use of barometer body 3 of calming anger, setting through sealing rubber ring 505, thereby guarantee the gas tightness that connector 5 is connected with the medium, thereby further guarantee measuring result's accuracy, consequently through first casing 1, second casing 2, shock absorber rod 4, first elastic component 405 and second elastic component 502 can effectually avoid because of the vibrations of medium, take place the pulsation impact suddenly and make the barometer measuring result inaccurate and take place the condition of damage with sudden off-load, thereby the life of effectual increase barometer, reduce expenditure cost for the enterprise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A shell group of a shock-proof barometer comprises a first shell (1), a second shell (2) and a barometer body (3), and is characterized in that a damping rod (4) is connected to the inner wall of the first shell (1), a damping pad (401) matched with the second shell (2) is arranged at one end, away from the inner wall of the first shell (1), of the damping rod (4), the damping pad (401) abuts against the outer wall of the second shell (2), the barometer body (3) is connected to the inside of the second shell (2), a connector (5) is connected to the outer wall of the first shell (1), a second piston (501) is connected to the inside of the connector (5) in a sliding manner, a second elastic piece (502) is connected to the top wall of the second piston (501), and a third piston (503) is connected to one end, away from the second piston (501), of the second elastic piece (502), the top wall of the third piston (503) is connected with a connecting rod (504), and one end of the connecting rod (504) far away from the second piston (501) penetrates through the first machine shell (1) and the second machine shell (2) to be connected with a transmission mechanism (303) of the barometer body (3).

2. The case set of a shock-resistant barometer according to claim 1, wherein the shock absorbing rod (4) comprises an outer rod (402) and an inner rod (403), a first piston (404) is connected inside the outer rod (402), a first elastic member (405) is connected between the first piston (404) and the inner wall of the outer rod (402), the outer wall of the first piston (404) far away from the first elastic member (405) is connected with the inner rod (403), and the end of the inner rod (403) far away from the first piston (404) is connected with the shock absorbing pad (401).

3. The case set of the shock-proof barometer according to claim 1, wherein the barometer body (3) comprises a dial (301), a pointer (302) and a transmission mechanism (303), the dial (301) is fixedly connected with the inside of the second case (2), a rotating shaft is connected to the top wall of the dial (301), the pointer (302) is connected to the outer wall of the rotating shaft, the transmission mechanism (303) is connected to the outer wall of one end of the rotating shaft penetrating through the dial (301), and the end of the transmission mechanism (303) far away from the dial (301) is connected to the connecting rod (504).

4. A shock-proof barometer case set according to any one of claims 1-3, wherein damping fluid (201) is filled between the second case (2) and the top wall of the dial (301), and a glass upper cover (202) is arranged on the top wall of the second case (2).

5. The case set of the earthquake-resistant barometer according to claim 4, wherein the outer wall of the connector (5) is provided with a sealing rubber ring (505).