Full-automatic pressure calibrator

Abstract

The utility model relates to the technical field of pressure calibrators, and discloses a full-automatic pressure calibrator, which comprises a pressure sensor, a pressure sensor and a pressure sensor, a body; the body comprises a pressure gauge and a quick connector, and the quick connector used for being connected with the pressure gauge is installed at the top of the body. The quick connector comprises a connector, a sealing ring, hoops, a toothed plate, a gear and a lifting motor, the connector is installed at the top of the body, the sealing ring is arranged in the connector, the hoops are movably arranged at the top of the body, and the inner side walls of the hoops can clamp the pressure gauge; according to the quick connector for the full-automatic pressure calibrator and the pressure gauge, the pressure gauge does not need to be manually screwed on the connector, only the pressure gauge needs to be placed in the connector, the pressure gauge is clamped and fixed through the hoop, the pressure gauge is pressed downwards when the hoop is clamped, the sealing ring is arranged in the connector, the sealing ring is extruded when the pressure gauge is pressed downwards, and sealing is completed. Operation is simple, and efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of full-automatic pressure calibrator technical field, specifically a kind of full-automatic pressure calibrator and the quick interface of pressure gauge. BACKGROUND

[0002] Pressure gauge is to measure and indicate the instrument higher than ambient pressure with elastic element as sensitive element, and the working principle is through the elastic deformation of the sensitive element (borden pipe, diaphragm, bellows) in table, in by the conversion mechanism of table inside core the transmission of pressure deformation to pointer, cause the rotation of pointer to show pressure. The precision requirement of pressure gauge is high, and the performance and sensitivity of pressure gauge need to be checked after completing pressure gauge assembly.

[0003] Full-automatic pressure calibrator is a kind of instrument for checking pressure gauge, and the existing pressure gauge connecting device is to install connector on the tabletop of full-automatic pressure calibrator, and the connector is connected with pressure gauge by screw thread, when checking pressure gauge, pressure gauge needs to be manually screwed to connector, which is troublesome and inefficient, and when using gas pressure as checking pressure medium, gas may leak from pressure gauge interface.

[0004] In view of the above problems, a kind of full-automatic pressure calibrator and the quick interface of pressure gauge are provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of full-automatic pressure calibrator and the quick interface of pressure gauge, solve the problem of checking pressure gauge in background art, and need to manually screw pressure gauge to connector, which is troublesome and inefficient.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of full-automatic pressure calibrator, comprising; the body, the body top is equipped with the quick interface for connecting pressure gauge;The quick interface includes connector, sealing ring, clamp, toothed plate, gear and lifting motor, the body top is equipped with connector, and sealing ring is arranged in connector, a group of clamps is symmetrically arranged on the top of connector, the inner side wall of clamp can be clamped pressure gauge, lifting motor is fixedly connected with the top of body on the side of quick interface, lifting motor output shaft is fixedly connected toothed plate, gear is connected on the outer side wall of clamp away from pressure gauge, two gears meshing connects toothed plate relative outer side wall.

[0007] As a further description of the above technical scheme: the quick interface further includes two connecting rods, first connecting rod, gear is fixedly connected second connecting rod, second connecting rod is fixedly connected first connecting rod, and first connecting rod is fixedly connected on the outer side wall of clamp away from pressure gauge.

[0008] As a further description of the above technical solution: the quick interface further comprises a rotating wheel and a third connecting rod, the third connecting rod is fixedly connected at the tail end to the top of the body, the first end of the third connecting rod is fixedly connected to the rotating wheel, and the rotating wheel is rotationally connected to the second connecting rod.

[0009] As a further description of the above technical solution: the shell outside the quick interface is fixedly connected to the top of the body, a reserved opening for the pressure gauge to enter is arranged above the shell, and a sealing ring is arranged on the inner side wall of the reserved opening.

[0010] As a further description of the above technical solution: the shell of the quick interface is provided with an air pressure sensor.

[0011] As a further description of the above technical solution: the group of clamps are arranged to be inclined relative to the pressure gauge of the vertical joint.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The quick interface of the full-automatic pressure calibrator and the pressure gauge provided by the utility model does not need manual tightening of the pressure gauge to the joint, and only needs to put the pressure gauge into the joint, clamp and fix the pressure gauge through the clamps, and press down the pressure gauge while clamping, so that the sealing is completed by extruding the sealing ring in the joint when the pressure gauge is pressed down, and the operation is simple and efficient.

[0014] 2. The quick interface of the full-automatic pressure calibrator and the pressure gauge provided by the utility model can detect the gas leakage from the pressure gauge interface through the pressure sensor. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural schematic view of the utility model;

[0017] Figure 3 It is Figure 2 an enlarged structural schematic view of A of the utility model;

[0018] Figure 4 It is a structural schematic view of the utility model;

[0019] Figure 5 It is Figure 4 an enlarged structural schematic view of B of the utility model.

[0020] In the drawing: 1, body; 2, pressure gauge; 3, quick interface; 4, clamp; 5, first connecting rod; 6, shell; 7, rotating wheel; 8, gear; 9, toothed plate; 10, air pressure sensor; 11, joint; 12, lifting motor; 13, second connecting rod; 14, sealing ring; 15, third connecting rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] In order to further understand the content of the utility model, the utility model will be described in detail in connection with the drawings.

[0023] In connection with Figure 1 , the shell 6 outside the quick connector 3 is fixedly connected to the top of the body 1, a reserved opening for the pressure gauge 2 to enter is arranged above the shell 6, and a sealing ring is arranged on the inner side wall of the reserved opening; when the pressure gauge 2 is connected with the quick connector 3, the sealing ring and the pressure gauge 2 are in a sealed state in the shell 6; the shell 6 of the quick connector 3 is provided with an air pressure sensor 10, and the air pressure sensor 10 can detect whether there is air pressure leakage.

[0024] In connection with Figure 2 and Figure 3 , a full-automatic pressure calibrator comprises a body 1, wherein the body 1 is provided with a quick connector 3 for connecting a pressure gauge 2 on the top of the body 1; the quick connector 3 comprises a connector 11, a sealing ring 14, a clamp 4, a toothed plate 9, a gear 8 and a lifting motor 12; the connector 11 is arranged on the top of the body 1, and the sealing ring 14 is arranged in the connector 11; a group of clamps 4 are symmetrically arranged on the top of the connector 11, and the inner side wall of the clamp 4 can be clamped with the pressure gauge 2; the lifting motor 12 is fixedly connected to the top of the body 1 on one side of the quick connector 3; the output shaft of the lifting motor 12 is fixedly connected with the toothed plate 9; one gear 8 is connected to the outer side wall of each clamp 4 away from the pressure gauge 2; the two gears 8 are engaged with the opposite outer side walls of the toothed plate 9; and the group of clamps 4 are arranged obliquely relative to the pressure gauge 2 vertically entering the connector 11, so that the pressure gauge 2 can be pressed down when the clamp 4 is clamped.

[0025] In connection with Figure 4 and Figure 5 , the quick connector 3 further comprises a second connecting rod 13 and a first connecting rod 5; the gear 8 is fixedly connected with the second connecting rod 13; the second connecting rod 13 is fixedly connected with the first connecting rod 5; and the first connecting rod 5 is fixedly connected to the outer side wall of the clamp 4 away from the pressure gauge 2; the quick connector 3 further comprises a rotating wheel 7 and a third connecting rod 15; the tail end of the third connecting rod 15 is fixedly connected to the top of the body 1; the head end of the third connecting rod 15 is fixedly connected with the rotating wheel 7; the rotating wheel 7 is rotatably connected with the second connecting rod 13; and the rotating wheel 7 and the third connecting rod 15 can support the components connected with the second connecting rod 13.

[0026] The working principle is that the pressure gauge 2 is put into the joint 11 installed above the body 1, the lifting motor 12 drives the gear plate 9 to move, the gear plate 9 is connected with the gear 8 in meshing when moving, the gear 8 rotates when rotating, the clamp hoop 4 rotates to clamp and fix the pressure gauge 2, because the clamp hoop 4 is obliquely arranged, the clamp hoop 4 rotates to clamp and fix the pressure gauge 2 at the same time, the pressure gauge 2 is pressed down, the sealing ring 14 is installed in the joint 11, the pressure gauge 2 is pressed down to form a seal with the sealing ring 14, the air pressure sensor 10 on the shell 6 can detect whether there is air pressure leakage at the sealed place of the pressure gauge 2 and the sealing ring 14.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fully automatic pressure calibrator characterized by: Include; The body (1) top is equipped with quick connector (3) for connecting pressure gauge (2); The quick connector (3) includes joint (11), sealing ring (14), clamp (4), toothed plate (9), gear (8) and lifting motor (12), the body (1) top is equipped with joint (11), joint (11) is provided with sealing ring (14) inside, a group of clamp (4) is symmetrically arranged on the top of joint (11), the inner side wall of clamp (4) can be clamped pressure gauge (2), lifting motor (12) is fixedly connected with the top of body (1) on one side of quick connector (3), the output shaft of lifting motor (12) is fixedly connected with toothed plate (9), the outer side wall of clamp (4) away from pressure gauge (2) is connected with a gear (8), two gears (8) are engaged with the opposite outer side wall of toothed plate (9).

2. The fully automatic pressure calibrator according to claim 1, characterized in that: The quick connector (3) further includes second connecting rod (13) and first connecting rod (5), the gear (8) is fixedly connected with the second connecting rod (13), the second connecting rod (13) is fixedly connected with the first connecting rod (5), and the first connecting rod (5) is fixedly connected with the outer side wall of clamp (4) away from the pressure gauge (2).

3. The fully automatic pressure calibrator according to claim 1, characterized in that: The quick connector (3) further includes rotating wheel (7) and third connecting rod (15), the tail end of third connecting rod (15) is fixedly connected with the top of body (1), the head end of third connecting rod (15) is fixedly connected with rotating wheel (7), and rotating wheel (7) is rotatably connected with second connecting rod (13).

4. The fully automatic pressure calibrator according to claim 1, characterized in that: The shell (6) outside the quick connector (3) is fixedly connected with the top of body (1), a reserved port for the entry of pressure gauge (2) is arranged above the shell (6), and a sealing ring is arranged on the inner side wall of the reserved port.

5. The fully automatic pressure calibrator of claim 1, wherein: The air pressure sensor (10) is arranged on the shell (6) of the quick connector (3).

6. The fully automatic pressure calibrator of claim 1, wherein: The group of clamp (4) is arranged obliquely relative to the pressure gauge (2) vertically entering the joint (11).

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