CN212275129U - Stainless steel diaphragm capsule pressure gauge - Google Patents

Abstract

The utility model discloses a stainless steel diaphragm capsule pressure gauge belongs to stainless steel diaphragm capsule pressure gauge technical field. A stainless steel diaphragm capsule pressure gauge comprises a pressure measuring tube, a gauge body and a gauge cover, wherein the pressure measuring tube is fixedly connected with the gauge body, the gauge cover is detachably connected with the gauge body, a fixed block is fixedly connected in the gauge body, sliding grooves are symmetrically formed in the fixed block, a first limiting plate is connected in the sliding grooves in a sliding mode, a screw rod is connected on the first limiting plate in a rotating mode, the screw rod is connected with the gauge body through threads, a placing groove is formed in the fixed block, a diaphragm capsule body is connected in the placing groove in a sliding mode, and a corrugated diaphragm is arranged at one end, away from the pressure measuring tube, of the diaphragm capsule body; the utility model discloses, can dismantle with the table body through the table lid and be connected and be convenient for inspect, maintain, change the bellows body, be convenient for lay the membrane box body through setting up of fixed block, standing groove, be convenient for fix the bellows body through setting up of first limiting plate, screw rod.

Description

Stainless steel diaphragm capsule pressure gauge

Technical Field

The utility model relates to a stainless steel diaphragm capsule pressure gauge technical field especially relates to a stainless steel diaphragm capsule pressure gauge.

Background

The stainless steel diaphragm capsule pressure gauge can measure the tiny pressure of corrosive gas or liquid, the casing and pressure guide system of the gauge are made of Cr18Ni9 stainless steel material, and are widely applied to pressure measurement in the industrial departments of petroleum, chemical industry, metallurgy, etc., the common diaphragm capsule pressure gauge can only be used for measuring the micro-pressure and negative pressure which do not corrode copper alloy and have no explosion hazard, the working principle of the gauge is based on that the free end of the bellows generates corresponding elastic deformation under the pressure action of the measured medium, and the bellows is amplified through a driving lever-gear transmission mechanism, and the measured value is indicated on a dial by a pointer fixed on a gear shaft one by one.

The diaphragm capsule device in the existing stainless steel diaphragm capsule pressure gauge is fixedly connected with the pressure gauge main body, and the diaphragm capsule device needs to be integrally replaced with the pressure gauge once being damaged in the using process, so that the using cost is increased.

Disclosure of Invention

The utility model aims at solving the problems that the diaphragm capsule device in the prior art is not convenient to fix and is not convenient to check, maintain and replace, and providing a stainless steel diaphragm capsule pressure gauge.

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

a stainless steel diaphragm box pressure gauge comprises a pressure measuring pipe, a gauge body and a gauge cover, wherein the pressure measuring pipe is fixedly connected with the gauge body, the gauge cover is detachably connected with the gauge body, a fixed block is fixedly connected in the gauge body, sliding grooves are symmetrically arranged on the fixed block, a first limiting plate is connected in the sliding grooves in a sliding mode, a screw rod is connected on the first limiting plate in a rotating mode and is in threaded connection with the gauge body, a placing groove is formed in the fixed block, a diaphragm box body is connected in the placing groove in a sliding mode, a corrugated diaphragm is arranged at one end, away from the pressure measuring pipe, of the diaphragm box body, a gear transmission device is arranged in the gauge cover, one end, close to an opening of the gauge cover, of the gear transmission device is connected with a transmission rod in a sliding mode, one end, away from the gear transmission rod, of the transmission rod, is, the dial plate is rotatably connected with a pointer, and the pointer is connected with the gear transmission device through a gear shaft.

Preferably, one end of the screw, which is far away from the first limiting plate, is fixedly connected with a turntable.

Preferably, a transparent plate is fixedly connected to the watch cover.

Preferably, one end of the gear transmission device, which is close to the opening of the meter cover, is fixedly connected with a second limiting plate, and the second limiting plate is located between the transmission plate and the gear transmission device.

Preferably, the surface of the piezometric tube is provided with a sealing rubber ring.

Compared with the prior art, the utility model provides a stainless steel diaphragm capsule pressure gauge possesses following beneficial effect:

1. this stainless steel diaphragm capsule pressure gauge can dismantle with the table body through the table lid and be connected and be convenient for inspect, maintain, change the diaphragm capsule body, is convenient for lay the diaphragm capsule body through the setting of fixed block, standing groove, is convenient for fix the diaphragm capsule body through the setting of first limiting plate, screw rod, is convenient for reflect the shape change of diaphragm capsule body through the setting of driving plate, drive rod spare, is convenient for enlarge the displacement of drive rod spare through gear's setting.

2. This stainless steel diaphragm capsule pressure gauge is convenient for rotate the screw rod through the setting of carousel.

3. This stainless steel diaphragm capsule manometer through setting up of transparent plate be convenient for seal the table lid, increased the seal of this manometer.

4. This stainless steel diaphragm capsule pressure gauge, the setting through the second limiting plate is convenient for restrict the too big emergence of corrugated membrane deformation and damage.

5. This stainless steel diaphragm capsule pressure gauge, the setting through sealing rubber circle is convenient for increase the leakproofness of this manometer and the device under test junction.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses, can dismantle through table lid and the table body and be connected and be convenient for inspect, maintain, change the bellows body, be convenient for lay the membrane box body through setting up of fixed block, standing groove, be convenient for fix the bellows body through setting up of first limiting plate, screw rod.

Drawings

Fig. 1 is a schematic structural view of a stainless steel diaphragm pressure gauge provided by the present invention;

fig. 2 is a front view of a stainless steel diaphragm pressure gauge provided by the present invention;

fig. 3 is a top view of the stainless steel diaphragm pressure gauge of the present invention.

In the figure: 1. a piezometric tube; 2. a watch body; 3. a watch cover; 4. a fixed block; 5. a chute; 6. a first limit plate; 7. a screw; 8. a membrane cartridge body; 9. a drive plate; 10. a gear transmission; 11. a second limiting plate; 12. a dial plate; 13. a pointer; 14. a transparent plate; 15. a turntable.

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.

Example 1:

referring to fig. 1-3, a stainless steel diaphragm capsule pressure gauge comprises a pressure measuring tube 1, a gauge body 2, a gauge cover 3, wherein the pressure measuring tube 1 is fixedly connected with the gauge body 2, the gauge cover 3 is detachably connected with the gauge body 2, a fixed block 4 is fixedly connected in the gauge body 2, sliding grooves 5 are symmetrically arranged on the fixed block 4, a first limiting plate 6 is connected in the sliding grooves 5 in a sliding manner, a screw 7 is connected on the first limiting plate 6 in a rotating manner, the screw 7 is connected with the gauge body 2 through a thread, a placing groove is arranged on the fixed block 4, a diaphragm capsule body 8 is connected in the placing groove in a sliding manner, a corrugated diaphragm is arranged at one end of the diaphragm capsule body 8 far away from the pressure measuring tube 1, a gear transmission device 10 is arranged in the gauge cover 3, a transmission rod is connected in a sliding manner at one end of the gear transmission device 10 close to an opening of the gauge cover 3, a transmission plate 9 is fixedly, the dial 12 is rotatably connected with a pointer 13, and the pointer 13 is connected with the gear transmission device 10 through a gear shaft.

A worker can connect the pressure measuring tube 1 to a device to be measured in a threaded connection mode, but the connection mode is not limited to threaded connection, the membrane box body 8 is placed in a placing groove in the meter body 2, the first limiting plate 6 clamps the membrane box body 8 by rotating the screw 7, the worker connects the meter cover 3 with the meter body 2 in an interference fit mode, but the connection mode is not limited to interference fit connection, the size of the membrane box body 8 is changed by pressure change in the device to be measured, so that a corrugated membrane on the membrane box body 8 expands or contracts, the transmission plate 9 is pushed to move by the expansion process of the corrugated membrane, the transmission rod piece is pushed to move by the movement of the transmission plate 9, the moving distance of the transmission rod piece is amplified by the gear transmission device 10, a measured value is indicated on the dial 12 by a pointer 13 fixed on a gear shaft, and the worker observes the pressure change in the device to be measured through the position change of the pointer 13, it should be noted that gear drive 10 is prior art, do not do too much to describe here again, can dismantle with the table body 2 through table lid 3 and be connected and be convenient for inspect membrane box body 8, the maintenance, change, through fixed block 4, membrane box body 8 is convenient for put in the setting of standing groove, through first limiting plate 6, the setting of screw rod 7 is convenient for fix membrane box body 8, through driving plate 9, the shape change of membrane box body 8 is convenient for reflect in the setting of transmission member, be convenient for enlarge the displacement of transmission member through gear drive 10.

Example 2:

referring to fig. 1-3, a stainless steel diaphragm pressure gauge is substantially the same as that of embodiment 1, and further, a rotating disc 15 is fixedly connected to an end of the screw 7 far from the first limiting plate 6, and the rotating disc 15 is arranged to facilitate rotation of the screw 7.

Example 3:

referring to fig. 1 to 3, a stainless steel diaphragm capsule pressure gauge is substantially the same as that of embodiment 1, and further, a transparent plate 14 is fixedly connected to the gauge cover 3, and the transparent plate 14 is disposed to facilitate sealing of the gauge cover 3, thereby increasing the sealing performance of the pressure gauge.

Example 4:

referring to fig. 1-3, a stainless steel diaphragm pressure gauge is substantially the same as that of embodiment 1, and further, a second limiting plate 11 is fixedly connected to one end of the gear transmission device 10 close to the opening of the cover 3, the second limiting plate 11 is located between the transmission plate 9 and the gear transmission device 10, and the second limiting plate 11 is arranged to limit the damage caused by the excessive deformation of the corrugated diaphragm.

Example 5:

referring to fig. 1-3, a stainless steel diaphragm pressure gauge is substantially the same as that of embodiment 1, and further, a sealing rubber ring is arranged on the surface of the pressure measuring tube 1, and the arrangement of the sealing rubber ring is convenient for increasing the sealing performance of the joint of the pressure gauge and the device to be measured.

The utility model discloses in, can dismantle through table lid 3 and table body 2 and be connected and be convenient for inspect, maintain, change membrane box body 8, be convenient for put membrane box body 8 through setting up of fixed block 4, standing groove, be convenient for fix membrane box body 8 through setting up of first limiting plate 6, screw rod 7.

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 (5)

1. The stainless steel diaphragm capsule pressure gauge comprises a pressure measuring tube (1), a gauge body (2) and a gauge cover (3), and is characterized in that the pressure measuring tube (1) is fixedly connected with the gauge body (2), the gauge cover (3) is detachably connected with the gauge body (2), a fixed block (4) is fixedly connected in the gauge body (2), sliding grooves (5) are symmetrically arranged on the fixed block (4), a first limiting plate (6) is connected in the sliding grooves (5) in a sliding mode, a screw rod (7) is connected on the first limiting plate (6) in a rotating mode, the screw rod (7) is connected with the gauge body (2) through threads, a placing groove is arranged on the fixed block (4), a diaphragm capsule body (8) is connected in the placing groove in a sliding mode, a corrugated diaphragm is arranged at one end, far away from the pressure measuring tube (1), of the diaphragm capsule body (8), and a gear transmission device (10) is arranged in the gauge cover, gear drive (10) are close to table lid (3) open-ended one end sliding connection has the transfer line, gear drive (10) was kept away from to the transfer line one end fixedly connected with driving plate (9), driving plate (9) paste mutually with the ripple membrane, fixedly connected with dial plate (12) in the table lid (3), it is connected with pointer (13) to rotate on dial plate (12), through gear shaft between pointer (13) and gear drive (10).

2. The stainless steel diaphragm pressure gauge according to claim 1, characterized in that a rotary disc (15) is fixedly connected to one end of the screw (7) away from the first limiting plate (6).

3. A stainless steel diaphragm pressure gauge according to claim 2, characterized in that a transparent plate (14) is fixedly connected to the gauge cover (3).

4. The stainless steel diaphragm pressure gauge according to claim 2, wherein a second limiting plate (11) is fixedly connected to one end of the gear transmission device (10) close to the opening of the gauge cover (3), and the second limiting plate (11) is located between the transmission plate (9) and the gear transmission device (10).

5. A stainless steel diaphragm pressure gauge according to claim 4, characterized in that the surface of the piezometric tube (1) is provided with a sealing rubber ring.

Images