CN213180491U

CN213180491U - Piston type vacuum pressure gauge

Info

Publication number: CN213180491U
Application number: CN202022511368.8U
Authority: CN
Inventors: 陈家金
Original assignee: Nanjing Pudade Measuring Instrument Co ltd
Current assignee: Nanjing Pudade Measuring Instrument Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-05-11
Anticipated expiration: 2030-11-03

Abstract

The utility model provides a piston type vacuum pressure gauge belongs to piston pressure gauge technical field, including piston pressure gauge body and adjusting part. The adjusting part includes the backup pad, the connecting plate, the spirit level, remove the post, the sleeve pipe, fixed column and bottom plate, the backup pad is provided with two, the equal fixed connection in piston pressure gauge body bottom of two backup pads, connecting plate fixed connection is between two backup pads, spirit level demountable installation is in the connecting plate, remove one side that piston pressure gauge body was kept away from in the backup pad to post fixed connection, the sleeve pipe transmission is connected in removing the post, the fixed column fixed rotation is connected in the sleeve pipe, remove post sliding connection in the fixed column, bottom plate fixed connection keeps away from sheathed tube one. The device can make people when using piston pressure gauge, can carry out piston pressure gauge balance adjustment, and then increases measurement accuracy, improves the accurate problem of reading.

Description

Piston type vacuum pressure gauge

Technical Field

The utility model relates to a piston pressure gauge technical field particularly, relates to a piston vacuum pressure gauge.

Background

The piston type pressure gauge vacuum gauge is a standard pressure gauge with high accuracy, high reproducibility and high reliability based on Pascal's law and hydrostatic balance principle, namely the principle that the fluid pressure acting on the effective area of the piston is balanced with the gravity loaded by the piston, the piston type pressure gauge is also called a pressure balance, is mainly used as a pressure reference gauge in measuring rooms, laboratories and production or scientific experiment links, and is also directly applied to voting monitoring of other local instruments in a high-reliability monitoring link.

The existing piston type pressure gauge is generally composed of a piston system, a special weight and a calibrator, the piston type pressure gauge is usually placed on a platform and then is monitored and used, the piston type pressure gauge mainly depends on a pointer to indicate the position of a piston, so that the piston type pressure gauge is placed more strictly, most people use the piston type pressure gauge, the measurement precision is low and the reading is inaccurate due to the fact that the piston type pressure gauge is placed unevenly.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a piston vacuum pressure gauge aims at improving the piston pressure gauge and places not level and cause measurement accuracy to hang down, the unsafe problem of reading.

The utility model discloses a realize like this: the utility model provides a piston type vacuum pressure gauge, including piston pressure gauge body and adjusting part.

The adjusting component comprises a supporting plate, a connecting plate, a level meter, a moving column, a sleeve, a fixing column and a bottom plate, wherein the supporting plate is provided with two supporting plates, the two supporting plates are fixedly connected to the bottom of the piston pressure gauge body, the connecting plate is fixedly connected between the two supporting plates, the level meter is detachably mounted on the connecting plate, the moving column is fixedly connected to one side, away from the piston pressure gauge body, of the supporting plate, the sleeve is in transmission connection with the moving column, the fixing column is fixedly and rotatably connected to the sleeve, the moving column is in sliding connection with the fixing column, and the bottom plate is fixedly connected to one end, away from the sleeve.

In an embodiment of the present invention, the level is close to one side fixedly connected with magnetic sheet of the connecting plate, the level passes through the magnetic sheet demountable installation in the connecting plate.

In an embodiment of the invention, the movable post is provided with an external threaded portion, the sleeve is provided with an internal threaded portion, the internal threaded portion being screw-driven to the external threaded portion.

The utility model discloses an in one embodiment, it keeps away from to remove the post the one end fixedly connected with stopper of backup pad, the stopper is constructed to be used for right it is spacing to remove the post.

The utility model discloses an in an embodiment, stopper fixedly connected with slider, set up the spout in the fixed column, the slider can hold in the spout, and can follow the spout slides.

The utility model discloses an in an embodiment, the sleeve pipe is close to the rotatory piece of one end fixedly connected with of fixed column, the swivelling chute has been seted up to the fixed column, rotatory piece rotate connect in the swivelling chute.

In an embodiment of the present invention, the sleeve outer wall is provided with an anti-slip stripe, and the anti-slip stripe is configured to be used for increasing friction of the sleeve.

In an embodiment of the present invention, the level is a ring glass tube level.

In an embodiment of the present invention, the outer wall of the level gauge is provided with scale marks.

In an embodiment of the present invention, the bottom plate is kept away from one side of the fixing column fixedly connected with suction cup.

The utility model has the advantages that: the utility model discloses a piston vacuum pressure gauge that obtains through above-mentioned design, during the use, at first place the piston pressure gauge that uses on the platform, then look over whether the bubble in the spirit level is in the position at spirit level center, when the bubble is not in central point, and then indicate the placing of this piston pressure gauge to be uneven, then the swivel sleeve pipe, and then the sleeve pipe rotates on the fixed column, and then the moving column can reciprocate in the fixed column under the sheathed tube effect, and then the backup pad carries out the displacement along with the moving column, and then the connecting plate also carries out the displacement along with the backup pad, and then the spirit level also carries out the displacement, and then make the spirit level carry out the leveling, and then make the bubble in the spirit level can indicate people's piston pressure gauge's balanced problem;

the device can make people when using piston pressure gauge, can carry out piston pressure gauge balance adjustment, and then increases measurement accuracy, improves the accurate problem of reading.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an overall device provided by an embodiment of the present invention;

fig. 2 is a schematic diagram of an explosion structure provided by an embodiment of the present invention;

fig. 3 is an exploded schematic view of an adjusting assembly according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional structure diagram provided in the embodiment of the present invention.

In the figure: 100-piston manometer body; 200-a regulating component; 210-a support plate; 220-a connecting plate; 230-a level; 231-a magnetic sheet; 232-scale mark; 240-moving the column; 241-an external threaded portion; 242-a stopper; 2421-a slider; 250-a cannula; 251-an internal threaded portion; 252-a rotation block; 253-skid resistant stripes; 260-fixed column; 261-a chute; 262-a rotating slot; 270-a bottom plate; 271-suction cup.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a technical solution: a piston type vacuum pressure gauge includes a piston pressure gauge body 100 and an adjustment assembly 200.

Referring to fig. 1, the adjusting assembly 200 is installed at the lower portion of the piston pressure gauge body 100, and the adjusting assembly 200 is mainly used for adjusting the balance of the piston pressure gauge body 100, so as to facilitate accurate monitoring of the piston pressure gauge body 100.

Referring to fig. 2, 3 and 4, the adjusting assembly 200 includes two supporting plates 210, two connecting plates 220, two levels 230, two moving columns 240, a sleeve 250, two fixing columns 260 and a bottom plate 270, wherein the two supporting plates 210 are both fixedly connected to the bottom of the piston pressure gauge body 100, the connecting plate 220 is fixedly connected between the two supporting plates 210, the levels 230 are detachably mounted on the connecting plates 220, and the outer walls of the levels 230 are provided with scale marks 232 for reference monitoring. The level gauge 230 is a ring-shaped glass tube level gauge, which is convenient for people to observe air bubbles in the level gauge 230, so as to know the balance of the piston pressure gauge body 100. A magnetic sheet 231 is fixedly connected to one side of the level gauge 230 close to the connecting plate 220, and the level gauge 230 is detachably mounted on the connecting plate 220 through the magnetic sheet 231, so that the level gauge 230 can be conveniently detached and mounted. The movable column 240 is fixedly connected to a side of the support plate 210 away from the piston pressure gauge body 100, the sleeve 250 is drivingly connected to the movable column 240, the movable column 240 is provided with an external thread portion 241, the sleeve 250 is provided with an internal thread portion 251, and the internal thread portion 251 is threadedly connected to the external thread portion 241, so that balance adjustment is facilitated.

Referring to fig. 2, 3 and 4, the fixing post 260 is fixedly and rotatably connected to the sleeve 250, and the outer wall of the sleeve 250 is provided with anti-slip strips 253, wherein the anti-slip strips 253 are configured to increase friction force on the sleeve 250 so as to facilitate rotation of the sleeve 250. The sleeve 250 is close to the rotatory piece 252 of the one end fixedly connected with of fixed column 260, and the rotating groove 262 has been seted up to fixed column 260, and rotatory piece 252 rotates to be connected in rotating groove 262, and the sleeve 250 of being convenient for can carry out balanced regulation under the condition of not carrying out the displacement. Remove post 240 sliding connection in fixed post 260, the one end fixedly connected with stopper 242 that the backup pad 210 was kept away from to the removal post 240, stopper 242 fixedly connected with slider 2421, set up spout 261 in the fixed post 260, slider 2421 can hold in spout 261 to can slide along spout 261, be convenient for remove post 240 and reciprocate, and then improve the position of adjusting balance. The stopper 242 is configured to limit the moving post 240 to prevent the moving post 240 from being separated from the fixing post 260. Bottom plate 270 fixed connection is in the one end that fixed column 260 kept away from sleeve 250, and bottom plate 270 keeps away from one side fixedly connected with sucking disc 271 of fixed column 260, is convenient for carry out the fixed on the platform with piston pressure gauge body 100.

Specifically, the working principle of the piston type vacuum pressure gauge is as follows: in use, the piston gauge to be used is first placed on the platform, and then the level gauge 230 is checked to see if the bubble is in the level gauge 230 at the center, when the bubble is not in the center, thereby indicating that the piston manometer is not placed flat, then, the anti-slip stripe 253 is rotated, and further, the sleeve 250 is rotated through the rotation groove 262 of the rotation block 252 on the fixed column 260, and the male screw portion 241 of the moving post 240 can be operated by the female screw portion 251 of the bushing 250, moves up and down in the fixed posts 260, and the support plate 210 is displaced along with the moving posts 240, and the connection plate 220 is also displaced along with the support plate 210, and thus the level gauge 230 is also displaced, so that the level gauge 230 is leveled, adjustment of the balance of the level 230 is then made by adjusting each sleeve 250 so that a bubble in the level 230 can indicate to a person a balance problem with the piston gauge.

It should be noted that the specific model specification of the piston manometer body 100 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The power supply to the body 100 of the piston manometer, and the principles thereof, will be clear to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A piston type vacuum pressure gauge is characterized by comprising

A piston manometer body (100);

the adjusting assembly (200) comprises two supporting plates (210), two connecting plates (220), two gradienters (230), two moving columns (240), a sleeve (250), two fixing columns (260) and a bottom plate (270), the two supporting plates (210) are fixedly connected to the bottom of the piston pressure gauge body (100), the connecting plates (220) are fixedly connected between the two supporting plates (210), the gradienters (230) are detachably installed on the connecting plates (220), the moving columns (240) are fixedly connected to one sides, far away from the piston pressure gauge body (100), of the supporting plates (210), the sleeve (250) is in transmission connection with the moving columns (240), the fixing columns (260) are fixedly and rotatably connected to the sleeve (250), and the moving columns (240) are in sliding connection with the fixing columns (260), the bottom plate (270) is fixedly connected to one end, far away from the sleeve (250), of the fixing column (260).

2. A piston type vacuum pressure gauge according to claim 1, wherein a magnetic sheet (231) is fixedly connected to a side of the level gauge (230) adjacent to the connection plate (220), and the level gauge (230) is detachably mounted to the connection plate (220) through the magnetic sheet (231).

3. A piston type vacuum pressure gauge according to claim 1, wherein said moving column (240) is provided with an external thread portion (241), said sleeve (250) is provided with an internal thread portion (251), and said internal thread portion (251) is screw-driven to said external thread portion (241).

4. A piston gauge according to claim 1, wherein a stopper (242) is fixedly attached to an end of the moving post (240) remote from the support plate (210), the stopper (242) being configured to limit the moving post (240).

5. A piston type vacuum pressure gauge according to claim 4, characterized in that a slide block (2421) is fixedly connected to the limiting block (242), a slide slot (261) is formed in the fixed column (260), and the slide block (2421) can be accommodated in the slide slot (261) and can slide along the slide slot (261).

6. A piston type vacuum pressure gauge as claimed in claim 1, wherein a rotary block (252) is fixedly connected to one end of the sleeve (250) close to the fixed column (260), a rotary groove (262) is formed in the fixed column (260), and the rotary block (252) is rotatably connected to the rotary groove (262).

7. A piston gauge according to claim 1, wherein the outer wall of the sleeve (250) is provided with anti-slip strips (253), the anti-slip strips (253) being configured to increase friction against the sleeve (250).

8. A piston gauge vacuum according to claim 1, wherein the level gauge (230) is an annular glass tube level gauge.

9. A piston gauge according to claim 1, wherein the level gauge (230) is provided with graduations (232) on the outer wall thereof.

10. A piston gauge according to claim 1, wherein a suction cup (271) is fixedly attached to a side of the base plate (270) remote from the fixed post (260).