CN214538335U

CN214538335U - High-precision durable U-shaped pressure gauge

Info

Publication number: CN214538335U
Application number: CN202120403714.2U
Authority: CN
Inventors: 陈小平; 陈民标; 莫正利
Original assignee: Ningbo Xuri Temperature And Pressure Instrument Co ltd
Current assignee: Ningbo Xuri Temperature And Pressure Instrument Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-10-29
Anticipated expiration: 2031-02-23

Abstract

The utility model discloses durable U type manometer of high accuracy, including the casing to and set up U type pipe in the casing and measure the scale, the casing on install the regulating part, the regulating part stretch into in the casing and be connected with measuring the scale, the regulating part can drive and measure the scale and remove. The method has the characteristics of convenient zero correction and accurate reading.

Description

High-precision durable U-shaped pressure gauge

Technical Field

The utility model belongs to the technical field of the manometer and specifically relates to a durable U type manometer of high accuracy is related to.

Background

In conventional pressure measurement, U-gauges are widely used. Generally, a measured pressure is compared with a certain reference pressure (atmospheric pressure), so that a relative pressure or a pressure difference is measured, and the pressure gauge is divided into a liquid column type, an elastic type and a sensor type according to different working principles, wherein the working principle of the liquid column type pressure gauge is to measure a positive pressure, a differential pressure and a vacuum degree by using a static pressure generated by a liquid column with a certain height to balance the pressure of a measured gas substance according to a hydrostatic principle. The pressure measuring device has the advantages of simple structure, firmness, durability, low price, convenience in reading and long service life, and can flexibly measure the positive pressure, the differential pressure and the vacuum degree of different media by selectively injecting different working fluids, so the pressure measuring device is widely used for measuring the pressure of gas substances.

When the U-shaped liquid pressure gauge is used in daily work, zero checking errors are often caused by complicated liquid addition and subtraction, and the error rate of measurement is increased. The later chinese utility model patent discloses "U-shaped liquid pressure gauge," application (patent) No.: CN200520068626.2, including the backplate, install the U-shaped pipe on the backplate, the U-shaped pipe near side sets up the measurement scale, and the measurement scale is the form that can move from top to bottom. The utility model discloses rational in infrastructure, need not add during the use and subtract liquid and carry out the zero-bit calibration, as long as slightly remove the adjustment and measure the scale, can carry out the zero-bit and approve. The U-shaped liquid pressure gauge is characterized in that the measuring scale can be directly adjusted because the surface of the measuring scale is not provided with the outer cover. But now for protection U-shaped tubular structure, can set up the casing at whole manometer surface, with structures such as U-shaped pipe, measurement scale in the casing, if will adjust the measurement scale then need dismantle the casing, the unable simple and convenient regulation of user.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a durable U type manometer of high accuracy is provided, have that the zero-bit correction is convenient, the accurate characteristics of reading.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: durable U type manometer of high accuracy to and set up U type pipe and the measurement scale in the casing, the casing on install the regulating part, the regulating part stretch into in the casing and be connected with the measurement scale, the regulating part can drive and measure the scale and remove.

Compared with the prior art, the utility model has the advantages of: firstly, the utility model discloses be provided with the casing, the casing is used for protecting U type pipe and measures the scale, avoids U type pipe to expose outside. Then the utility model discloses set up the regulating part on the casing, be connected through the measuring scale in regulating part and the casing. The user can then move the measuring scale by operating the adjusting part. When the zero calibration device is used, zero calibration is performed without adding or subtracting liquid, and zero approval can be performed only by slightly moving and adjusting the measuring scale. The method has the characteristics of convenient zero correction and accurate reading.

The utility model discloses further preferred scheme: the shell is provided with a waist-shaped hole, the adjusting part partially extends into the shell through the waist-shaped hole, and the adjusting part can move in the range of the waist-shaped hole.

Furthermore, the adjusting piece comprises a connecting piece, the connecting piece penetrates through the waist-shaped hole, and the connecting piece is connected with the measuring scale.

The adjusting piece positioned outside the shell of the utility model is a push button structure. The surface of the back side surface of the adjusting piece is provided with textures, so that the friction force of the surface of the adjusting piece is increased, and the adjusting piece is convenient to drive and adjust.

The height of the connecting piece is smaller than that of the waist-shaped hole, so that the connecting piece can move up and down in the waist-shaped hole along the height direction of the waist-shaped hole.

The connecting piece passing through the waist-shaped hole also passes through the measuring scale. Specifically speaking, the measuring scale is provided with a through hole, and the through hole is matched with the structure of the connecting piece, so that the displacement in the height direction cannot occur between the measuring scale and the connecting piece. When the adjusting piece moves along the height direction of the waist-shaped hole, the measuring scale can be driven to synchronously move along the height direction.

Furthermore, the front end of the adjusting part penetrates out of the measuring scale, an indicating part is further arranged on the surface of the measuring scale, and the indicating part is connected with the front end of the adjusting part.

The utility model discloses use the direction that the regulating part is located outside the casing to make for transparent material as the rear direction of casing, the leading flank of casing, the user can see through the leading flank of casing and observe its inside measurement scale, indicator etc..

The adjusting part front end is worn out and is measured scale and connect the indicator, and the adjusting part will drive the indicator synchronous motion promptly.

Furthermore, a pointer is arranged on the indicating piece and points to zero scales of the U-shaped pipe and the measuring scale.

Specifically, the indicating piece is provided with two pointers, the pointers are of a triangular structure and are located on the same horizontal plane, and the two pointers are located on two sides of the measuring scale. The two hands clearly indicate the scale of the measuring scale from both sides of the measuring scale.

Furthermore, the middle part of the measuring scale is provided with zero scales, and the two pointers point to the zero scales of the measuring scale.

Furthermore, the indicating piece is of a T-shaped structure and comprises a sheet piece and a block piece, the sheet piece is located on the front side of the U-shaped pipe, the block piece is located on the rear side of the U-shaped pipe, and a notch is formed in the surface of the sheet piece, corresponding to the U-shaped pipe.

Specifically, the sheet-shaped piece in the indicating piece also plays a role in limiting the U-shaped pipe lattice stop. Specifically, two notches are formed in the surface of the sheet piece, the two notches correspond to the pipe bodies on the two sides of the U-shaped pipe respectively, and a user can observe the U-shaped pipe through the notches.

The U-shaped pipe is made of transparent materials, so that a user can observe liquid in the U-shaped pipe. Preferably, the liquid may be a colored liquid, and the level is clearly available to the user.

Furthermore, the blocky piece in the indicating piece is positioned between the pipe bodies on the two sides of the U-shaped pipe and has a limiting effect on the U-shaped pipe.

The back of the block piece is provided with a connecting port, the front end of the adjusting piece is a connecting piece, the connecting piece is a fastening piece, and the connecting piece is inserted into the connecting port and clamped with the block piece.

Furthermore, the pointer is positioned on the inner wall surface of the notch.

Namely, the pointer is positioned at the front side of the U-shaped pipe, and the pointer can be adjusted according to the height of liquid in the U-shaped pipe, and the pointer is adjusted to be as high as the liquid in the U-shaped pipe.

Furthermore, the shell is provided with a hanging hole.

Specifically, the top surface of the shell is provided with a hanging piece, and the hanging piece is provided with a hanging hole. The utility model discloses can hang through the hanging hole and establish, liberation user's both hands detect the precision moreover higher.

Furthermore, the top of the U-shaped pipe penetrates out of the shell, and the top of the U-shaped pipe is connected with a hose.

Under the non-use state, the hose cover is established on the U type pipe, avoids inside liquid to leak to and avoid the dust of external environment to enter into in the U type pipe.

Furthermore, a U-shaped limiting groove is formed in the bottom of the shell, and the bottom of the U-shaped pipe is installed in the U-shaped limiting groove.

The utility model discloses a set up the U-shaped spacing groove, carry on spacingly to the U type pipe in the casing, ensure the stability of U type in the casing.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at C;

FIG. 5 is a cross-sectional view of section AA in FIG. 3;

FIG. 6 is a cross-sectional view of section BB of FIG. 3;

fig. 7 is a schematic structural view of the waist-shaped hole portion of the present invention.

Wherein the reference numerals are specified as follows: 1. a housing; 2. a U-shaped pipe; 3. measuring a scale; 4. an adjustment member; 4a, a connecting piece; 5. a waist-shaped hole; 6. a through hole; 7. an indicator; 7a, a sheet; 7b, a block; 8. a pointer; 9. a notch; 10. hanging holes; 11. a hose; 12. u-shaped spacing groove.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 3: durable U type manometer of high accuracy, including casing 1 to and set up U type pipe 2 and the measurement scale 3 in casing 1, casing 1 is used for protecting U type pipe 2 and measurement scale 3, avoids U type pipe 2 to expose outside. Casing 1 on install regulating part 4, regulating part 4 part stretch into casing 1 in and be connected with measurement scale 3, regulating part 4 can drive and measure scale 3 and remove. The user can move the measuring scale 3 by operating the adjusting member 4. When the zero calibration device is used, zero calibration is performed without adding or subtracting liquid, and zero approval can be performed only by slightly moving and adjusting the measuring scale 3. The method has the characteristics of convenient zero correction and accurate reading.

The utility model discloses further preferred scheme: as shown in fig. 7, the housing 1 is provided with a kidney-shaped hole 5, the adjusting element 4 partially extends into the housing 1 through the kidney-shaped hole 5, and the adjusting element 4 is movable within the range of the kidney-shaped hole 5.

As shown in fig. 2, the adjusting member 4 includes a connecting member 4a, the connecting member 4a passes through the slotted hole 5, and the connecting member 4a is connected to the measuring scale 3. The adjusting part 4 outside the shell 1 of the utility model is a push button structure. Namely, the front part of the adjusting member 4 is a connecting member 4a, and the rear part of the adjusting member 4 is a push button. The surface of the back side surface of the adjusting piece 4 is provided with textures, so that the friction force of the surface of the adjusting piece 4 is increased, and the driving adjustment is convenient. The height of the connecting piece 4a is smaller than that of the waist-shaped hole 5, so that the connecting piece 4a can move up and down in the waist-shaped hole 5 along the height direction of the waist-shaped hole 5.

The connecting piece 4a passing through the oblong hole 5 also passes through the measuring scale 3. Specifically, the measuring scale 3 is provided with a through hole 6, and the through hole 6 is adapted to the structure of the connecting piece 4a, so that the measuring scale 3 and the connecting piece 4a cannot displace in the height direction. The adjusting piece 4 moves along the height direction of the waist-shaped hole 5, and simultaneously drives the measuring scale 3 to synchronously move along the height direction.

As shown in fig. 5 and 6, the front end of the adjusting member 4 penetrates through the measuring scale 3, the surface of the measuring scale 3 is further provided with an indicating member 7, and the indicating member 7 is connected with the front end of the adjusting member 4.

The utility model discloses use the direction that regulating part 4 is located casing 1 outside as casing 1's rear direction, casing 1's leading flank is made for transparent material, and the user can see through casing 1's leading flank and observe its inside measurement scale 3, indicator 7 etc.. In the attached drawing fig. 1 of the specification of the present invention, since the transparent condition cannot be displayed, the overall structure of the housing 1 is schematically shown. The front end of the adjusting part 4 penetrates out of the measuring scale 3 to be connected with the indicating part 7, namely, the adjusting part 4 drives the indicating part 7 to move synchronously.

As shown in fig. 4, a pointer 8 is arranged on the indicator 7, and the pointer 8 points to the zero scale of the U-shaped pipe 2 and the measurement scale 3. Specifically, be provided with two pointers 8 on the indicator 7, pointer 8 be the triangle-shaped structure, pointer 8 is located same horizontal plane, and two pointers 8 are located measurement scale 3 both sides. The two pointers 8 clearly indicate the scale of the measuring scale 3 from both sides of the measuring scale 3. The middle part of the measuring scale 3 is provided with zero scales, and the two pointers 8 point to the zero scales of the measuring scale 3.

The indicating piece 7 is of a T-shaped structure, the indicating piece 7 comprises a sheet piece 7a located on the front side and a block piece 7b located on the rear side, the sheet piece 7a is located on the front side of the U-shaped pipe 2, and a notch 9 is formed in the surface of the sheet piece 7a corresponding to the U-shaped pipe 2.

Specifically, the sheet member 7a of the indicator member 7 also serves as a stop for the U-shaped tube 2. Specifically, two notches 9 are formed in the surface of the sheet-shaped member 7a, the two notches 9 correspond to pipe bodies on two sides of the U-shaped pipe 2 respectively, and a user can observe the U-shaped pipe 2 through the notches 9.

The U-shaped pipe 2 is made of transparent materials, so that a user can observe liquid in the U-shaped pipe 2. Preferably, the liquid may be a colored liquid, and the level is clearly available to the user.

As shown in fig. 4, the block 7b of the indicator 7 is located between the two side tubes of the U-tube 2, and has a limiting effect on the U-tube 2. The back of the block-shaped piece 7b is provided with a connecting port, the front end of the adjusting piece 4 is a connecting piece 4a, the connecting piece 4a is a fastening piece, and the connecting piece 4a is inserted into the connecting port and clamped with the block-shaped piece 7 b.

The pointer 8 is positioned on the inner wall surface of the notch 9. Namely, the pointer 8 is positioned at the front side of the U-shaped pipe 2, the pointer 8 can be adjusted according to the height of the liquid in the U-shaped pipe 2, and the pointer 8 should be adjusted to the same height of the liquid in the U-shaped pipe 2.

As shown in fig. 2, the housing 1 is provided with a hanging hole 10. Specifically, a hanging piece is arranged on the top surface of the shell 1, and a hanging hole 10 is formed in the hanging piece. The utility model discloses can hang through hanging hole 10 and establish, liberation user's both hands, it is higher to detect the precision moreover.

The top of the U-shaped pipe 2 penetrates through the shell 1, and the top of the U-shaped pipe 2 is connected with a hose 11. In a non-use state, the hose 11 is sleeved on the U-shaped pipe 2, so that internal liquid leakage is avoided, and dust in an external environment is prevented from entering the U-shaped pipe 2.

The bottom in the shell 1 is provided with a U-shaped limiting groove 12, and the bottom of the U-shaped pipe 2 is arranged in the U-shaped limiting groove 12. The utility model discloses a set up U-shaped spacing groove 12, carry on spacingly to U type pipe 2 in the casing 1, ensure the stability of U type in casing 1.

The above is to the utility model discloses going on the detailed introduction, having used specific individual example to right in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. Durable U type manometer of high accuracy, including casing (1) to and U type pipe (2) and measurement scale (3) of setting in casing (1), its characterized in that casing (1) on install regulating part (4), regulating part (4) part stretch into casing (1) in be connected with measurement scale (3), regulating part (4) can drive and measure scale (3) and remove.

2. A high-precision durable U-shaped pressure gauge according to claim 1, characterized in that the housing (1) is provided with a waist-shaped hole (5), the adjusting piece (4) partially extends into the housing (1) through the waist-shaped hole (5), and the adjusting piece (4) is movable in the range of the waist-shaped hole (5).

3. A high accuracy durable U-shaped pressure gauge according to claim 1, characterized in that said adjusting member (4) comprises a connecting member (4a), said connecting member (4a) passes through a waist-shaped hole (5), said connecting member (4a) is connected with a measuring scale (3).

4. A high-precision durable U-shaped pressure gauge according to claim 1, characterized in that the front end of the adjusting member (4) penetrates through the measuring scale (3), the surface of the measuring scale (3) is further provided with an indicating member (7), and the indicating member (7) is connected with the front end of the adjusting member (4).

5. A high-precision durable U-shaped pressure gauge according to claim 4, characterized in that the indicator (7) is provided with a pointer (8), and the pointer (8) points to zero scales of the U-shaped tube (2) and the measuring scale (3).

6. A high-precision durable U-shaped pressure gauge according to claim 4, characterized in that the indicator (7) is of a T-shaped structure, the indicator (7) comprises a sheet member (7a) at the front side and a block member (7b) at the rear side, the sheet member (7a) is located at the front side of the U-shaped pipe (2), and a notch (9) is formed in the surface of the sheet member (7a) corresponding to the U-shaped pipe (2).

7. A high accuracy and durable U-shaped pressure gauge according to claim 5, wherein said pointer (8) is located on the inner wall surface of said notch (9).

8. A high-precision durable U-shaped pressure gauge according to claim 1, characterized in that the casing (1) is provided with a hanging hole (10).

9. A high-precision durable U-shaped pressure gauge according to claim 1, characterized in that the top of the U-shaped tube (2) penetrates through the shell (1), and the top of the U-shaped tube (2) is connected with a hose (11).

10. A high-precision durable U-shaped pressure gauge according to claim 1, characterized in that a U-shaped limiting groove (12) is arranged at the bottom in the shell (1), and the bottom of the U-shaped pipe (2) is arranged in the U-shaped limiting groove (12).