Multifunctional pressure verification device

Abstract

The utility model discloses a multifunctional pressure verification device, and relates to the technical field of automatic instrument verification, and the multifunctional pressure verification device is characterized in that a pressure gauge to be verified is placed on a clamping seat, a telescopic cylinder drives a clamping block to move downwards, and two rubber pads tightly clamp the pressure gauge to be verified; the pressure gauge is protected through the rubber pad, the pressure gauge is prevented from being abraded during clamping, the stability degree in the pressure checking process is kept, the checking accuracy is improved, when the detection end of the pressure gauge makes contact with the detection groove, extrusion force generated by contact of the pressure gauge and the detection groove is converted into thrust on the clamping base, and the pressure gauge is prevented from being abraded; the force is transmitted to the spring through the movable rod and the movable block, the clamping seat is in contact with the pressure sensor, the pressure sensor is used for transmitting a signal to the multifunctional pressure verification main body, the electric telescopic rod is controlled to stop moving forwards in time, abrasion to equipment is reduced, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic instrument calibration, in particular to a multifunctional pressure calibration device. Background Art

[0002] A pressure gauge is an instrument that uses an elastic element as a sensitive element to measure and indicate pressure higher than the ambient pressure. It is widely used in almost all industrial processes and scientific research fields. Since the elastic sensitive element of the mechanical pressure gauge has high mechanical strength and is easy to produce, mechanical pressure gauges are increasingly widely used. In order to maintain the accuracy of the pressure gauge, it is necessary to perform pressure calibration on the pressure gauge from time to time, and a multifunctional pressure calibration device is usually used.

[0003] For example, patent No. CN208155520U, the utility model provides a pressure calibration device, including a calibration body, a frame and a rolling device, the frame including a mounting plate, a bottom plate, a fixing rod, a sleeve rod and a mounting block, the mounting plate is arranged at the bottom of the calibration body, a sleeve rod is respectively arranged at the four corners of the bottom of the mounting plate, the mounting block is arranged in the middle of the lower bottom surface of the mounting plate, a fixing rod is respectively arranged at the four corners of the bottom plate, the fixing rod passes through the bottom plate, the upper part of the fixing rod is respectively passed through the corresponding sleeve rod, a driving motor is arranged on the upper end surface of the bottom plate, a screw is arranged at the output end of the driving motor, the other end of the screw is arranged in the mounting block, the screw is threadedly connected to the mounting block, a accommodating cavity is arranged at the lower part of the fixing rod, an electric cylinder is respectively arranged at the accommodating cavity, the base of the electric cylinder is fixedly connected to the top of the accommodating cavity, and a roller is arranged at the output end of the electric cylinder.

[0004] When working, the existing multifunctional pressure calibration device needs to detect pressure gauges of different models, fix the pressure gauges and move them to the detection tank. Due to the differences in sizes of pressure gauges of various models, it is inconvenient to control the transfer distance during transfer, and it is easy to cause the pressure gauge and the detection tank to have excessive contact and extrusion force, causing certain wear and tear on the equipment. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a multifunctional pressure calibration device to solve the problem raised in the above background technology that the existing multifunctional pressure calibration device needs to detect pressure gauges of different models when working, and the pressure gauges are fixed and moved to the detection slot. Due to the differences in sizes of pressure gauges of various models, it is inconvenient to control the transfer distance during transfer, and it is easy to cause the pressure gauge and the detection slot to have excessive contact and extrusion force, causing certain wear and tear on the equipment.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: a multifunctional pressure calibration device, including a base, a multifunctional pressure calibration body is fixedly installed on the left side of the upper end of the base, a detection slot is provided on the right end of the multifunctional pressure calibration body, a mounting frame is fixedly installed on the right side of the upper end of the base, an electric telescopic rod is fixedly installed on the right end of the mounting frame, a sliding rod 1 is fixedly installed on the inner side of the mounting frame, a movable seat is provided on the surface of the sliding rod 1, a slide groove is provided on the upper end of the movable seat, a sliding rod 2 is fixedly installed inside the slide groove, a clamping seat is slidably connected on the surface of the sliding rod 2, a telescopic cylinder is fixedly installed on both the front and rear sides of the clamping seat, a clamping block is fixedly installed on the outer side of the clamping seat at the output end of the telescopic cylinder extending to the right end of the inner side of the slide groove, a pressure sensor is fixedly installed on the right end of the inner side of the slide groove, a sleeve is fixedly installed on the inner side of the slide groove at the side of the pressure sensor, a through hole is provided on the left end of the sleeve, a spring is fixedly installed inside the sleeve, a movable block is fixedly installed on the spring, and a movable rod is fixedly installed on the left end of the movable block.

[0007] Preferably, a display panel is fixedly mounted on the upper side of the front end of the multifunctional pressure calibration body, and a control panel is fixedly mounted on the lower side of the front end of the multifunctional pressure calibration body.

[0008] Preferably, the mounting frame is designed as a U-shaped structure, and the movable seat is slidably connected to the sliding rod.

[0009] Preferably, the output end of the electric telescopic rod extends to the inner side of the mounting frame and is fixedly connected to the movable seat, and the output end of the electric telescopic rod is slidably connected to the mounting frame.

[0010] Preferably, the output end of the telescopic cylinder is slidably connected to the clamping seat, a rubber pad is fixedly mounted on the upper end of the clamping seat, and the same rubber pad is fixedly mounted on the lower end of the clamping block.

[0011] Preferably, the left end of the movable rod extends to the outside of the through hole and is fixedly connected to the clamping seat, and the pressure sensor is electrically connected to the multifunctional pressure calibration body.

[0012] Preferably, the movable block is slidably connected to the sleeve, and the movable rod is slidably connected to the through hole. Beneficial Effects

[0013] The utility model provides a multifunctional pressure calibration device. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The multifunctional pressure calibration device first places the pressure gauge to be calibrated on the clamping seat, and drives the clamping block to move downward through the telescopic cylinder, so that the two rubber pads tightly clamp the pressure gauge to be calibrated, and the pressure gauge is protected by the rubber pad to avoid wear of the pressure gauge during clamping, which is conducive to maintaining the stability during the pressure calibration process and improving the accuracy of the calibration.

[0015] 2. When the detection end of the pressure gauge of the multifunctional pressure calibration device contacts the detection slot, the extrusion force generated by the contact between the pressure gauge and the detection slot is converted into a thrust on the clamping seat, and the force is transmitted to the spring through the movable rod and the movable block to complete the force unloading work, and the clamping seat contacts the pressure sensor, and the pressure sensor is used to transmit the signal to the multifunctional pressure calibration body, so as to facilitate the timely control of the electric telescopic rod to stop moving forward, and facilitate the adaptation of pressure gauges for calibrating various signals, which is beneficial to reduce the wear on the equipment and extend the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 This is a schematic diagram of the mounting frame structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the structure of the mobile seat of the utility model.

[0019] Figure 4 This is a schematic diagram of the sleeve structure of the utility model.

[0020] In the figure: 1. base; 2. multifunctional pressure calibration body; 3. detection slot; 4. mounting bracket; 5. electric telescopic rod; 6. sliding rod 1; 7. moving seat; 8. slide slot; 9. sliding rod 2; 10. clamping seat; 11. telescopic cylinder; 12. clamping block; 13. pressure sensor; 14. sleeve; 15. through hole; 16. spring; 17. movable block; 18. movable rod; 19. display panel; 20. control panel; 21. rubber pad. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4The utility model provides a technical solution: a multifunctional pressure calibration device, including a base 1, a multifunctional pressure calibration body 2 is fixedly installed on the left side of the upper end of the base 1, a detection slot 3 is arranged on the right end of the multifunctional pressure calibration body 2, a mounting frame 4 is fixedly installed on the right side of the upper end of the base 1, an electric telescopic rod 5 is fixedly installed on the right end of the mounting frame 4, a sliding rod 6 is fixedly installed on the inner side of the mounting frame 4, a moving seat 7 is arranged on the surface of the sliding rod 6, a display panel 19 is fixedly installed on the upper side of the front end of the multifunctional pressure calibration body 2, a control panel 20 is fixedly installed on the lower side of the front end of the multifunctional pressure calibration body 2, the mounting frame 4 is designed in a U-shaped structure, the moving seat 7 is slidably connected with the sliding rod 6, the output end of the electric telescopic rod 5 extends to the inner side of the mounting frame 4 and is fixedly connected with the moving seat 7, the output end of the electric telescopic rod 5 is slidably connected with the mounting frame 4, the moving seat 7 and the clamping seat 10 are driven to move to the left side by the electric telescopic rod 5, so that the detection end of the pressure gauge to be calibrated enters the detection slot 3, which is convenient for automatically completing the calibration work, and is conducive to improving the convenience of using the multifunctional pressure calibration device;

[0023] A slide groove 8 is provided at the upper end of the movable seat 7, and a sliding rod 29 is fixedly installed inside the slide groove 8. A clamping seat 10 is slidably connected to the surface of the sliding rod 29. Telescopic cylinders 11 are fixedly installed on both the front and rear sides of the clamping seat 10. The output end of the telescopic cylinder 11 extends to the outside of the clamping seat 10 and a clamping block 12 is fixedly installed. The output end of the telescopic cylinder 11 is slidably connected to the clamping seat 10. A rubber pad 21 is fixedly installed on the upper end of the clamping seat 10, and the lower end of the clamping block 12 is fixedly installed with the same rubber pad 21. First, the pressure gauge to be calibrated is placed on the clamping seat 10, and the clamping block 12 is driven downward by the telescopic cylinder 11, so that the two rubber pads 21 tightly clamp the pressure gauge to be calibrated, and the pressure gauge is protected by the rubber pad 21 to prevent the pressure gauge from being worn during clamping, which is conducive to maintaining the stability during the pressure calibration process and improving the accuracy of the calibration.

[0024] A pressure sensor 13 is fixedly installed at the right end of the inner side of the slide groove 8, a sleeve 14 is fixedly installed at the inner side of the slide groove 8 at the side of the pressure sensor 13, a through hole 15 is opened at the left end of the sleeve 14, a spring 16 is fixedly installed inside the sleeve 14, a movable block 17 is fixedly installed on the spring 16, a movable rod 18 is fixedly installed at the left end of the movable block 17, the left end of the movable rod 18 extends to the outside of the through hole 15 and is fixedly connected to the clamping seat 10, the pressure sensor 13 is electrically connected to the multifunctional pressure calibration body 2, the movable block 17 is slidably connected to the sleeve 14, and the movable The rod 18 is slidably connected to the through hole 15. When the detection end of the pressure gauge contacts the detection groove 3, the extrusion force generated by the contact between the pressure gauge and the detection groove 3 is converted into a thrust on the clamping seat 10. The force is transmitted to the spring 16 through the movable rod 18 and the movable block 17 to complete the force unloading work, and the clamping seat 10 contacts the pressure sensor 13. The pressure sensor 13 is used to transmit the signal to the multifunctional pressure calibration body 2, which is convenient for timely controlling the electric telescopic rod 5 to stop moving forward, and is convenient for adapting to calibrate pressure gauges of various signals, which is beneficial to reducing wear on the equipment and extending its service life.

[0025] During operation, the pressure gauge to be calibrated is first placed on the clamping seat 10, and the clamping block 12 is driven downward by the telescopic cylinder 11, so that the two rubber pads 21 tightly clamp the pressure gauge to be calibrated, and the pressure gauge is protected by the rubber pad 21 to prevent the pressure gauge from being worn during clamping. The movable seat 7 and the clamping seat 10 are driven to move to the left by the electric telescopic rod 5, so that the detection end of the pressure gauge to be calibrated enters the detection slot 3, which is convenient for automatically completing the calibration work. When the detection end of the pressure gauge contacts the detection slot 3, the extrusion force generated by the contact between the pressure gauge and the detection slot 3 is converted into a thrust on the clamping seat 10, and the force is transmitted to the spring 16 through the movable rod 18 and the movable block 17 to complete the unloading work, and the clamping seat 10 contacts the pressure sensor 13, and the pressure sensor 13 is used to transmit the signal to the multifunctional pressure calibration body 2, so as to timely control the electric telescopic rod 5 to stop moving forward.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A multifunctional pressure calibration device, comprising a base (1), characterized in that: A multifunctional pressure calibration body (2) is fixedly mounted on the left side of the upper end of the base (1), a detection slot (3) is provided on the right end of the multifunctional pressure calibration body (2), a mounting frame (4) is fixedly mounted on the right side of the upper end of the base (1), an electric telescopic rod (5) is fixedly mounted on the right end of the mounting frame (4), a sliding rod (6) is fixedly mounted on the inner side of the mounting frame (4), a movable seat (7) is provided on the surface of the sliding rod (6), a sliding groove (8) is provided on the upper end of the movable seat (7), a sliding rod (9) is fixedly mounted inside the sliding groove (8), a clamping seat (10) is slidably connected to the surface of the sliding rod (9), and the A telescopic cylinder (11) is fixedly installed on both the front and rear sides of the clamping seat (10); the output end of the telescopic cylinder (11) extends to the outside of the clamping seat (10) and is fixedly installed with a clamping block (12); a pressure sensor (13) is fixedly installed on the right end of the inner side of the slide groove (8); a sleeve (14) is fixedly installed on the inner side of the slide groove (8) at the side of the pressure sensor (13); a through hole (15) is opened at the left end of the sleeve (14); a spring (16) is fixedly installed inside the sleeve (14); a movable block (17) is fixedly installed on the spring (16); and a movable rod (18) is fixedly installed on the left end of the movable block (17).

2. A multifunctional pressure calibration device according to claim 1, characterized in that: A display panel (19) is fixedly mounted on the upper side of the front end of the multifunctional pressure calibration body (2), and a control panel (20) is fixedly mounted on the lower side of the front end of the multifunctional pressure calibration body (2).

3. A multifunctional pressure calibration device according to claim 1, characterized in that: The mounting frame (4) is designed as a U-shaped structure, and the movable seat (7) is slidably connected to the sliding rod (6).

4. A multifunctional pressure calibration device according to claim 3, characterized in that: The output end of the electric telescopic rod (5) extends to the inner side of the mounting frame (4) and is fixedly connected to the movable seat (7), and the output end of the electric telescopic rod (5) is slidably connected to the mounting frame (4).

5. A multifunctional pressure calibration device according to claim 1, characterized in that: The output end of the telescopic cylinder (11) is slidably connected to the clamping seat (10), a rubber pad (21) is fixedly mounted on the upper end of the clamping seat (10), and a similar rubber pad (21) is fixedly mounted on the lower end of the clamping block (12).

6. A multifunctional pressure calibration device according to claim 5, characterized in that: The left end of the movable rod (18) extends to the outside of the through hole (15) and is fixedly connected to the clamping seat (10), and the pressure sensor (13) is electrically connected to the multifunctional pressure calibration body (2).

7. A multifunctional pressure calibration device according to claim 6, characterized in that: The movable block (17) is slidably connected to the sleeve (14), and the movable rod (18) is slidably connected to the through hole (15).

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