CN220356579U

CN220356579U - Clamping device for pressure gauge calibration

Info

Publication number: CN220356579U
Application number: CN202322066395.2U
Authority: CN
Inventors: 周知贵; 陈波; 雷震宇
Original assignee: Kunshan Eternal Norm Technology Service Inc
Current assignee: Kunshan Eternal Norm Technology Service Inc
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-01-16
Anticipated expiration: 2033-08-03

Abstract

The utility model provides a clamping device for pressure gauge calibration, which relates to the technical field of pressure gauge calibration and comprises a top cover, wherein a second threaded rod is rotationally connected inside the top cover, when a connecting pipe of a pressure gauge enters the inner side of a clamping block, a second spring starts to rebound and extrudes the connecting rod, the connecting rod slides inside a fixed block and pushes two clamping blocks to move so as to clamp the connecting pipe of the pressure pipe, after the pressure gauge is clamped, a rotating handle is manually rotated, the rotating handle drives the second threaded rod to rotate, the second threaded rod drives a sliding block to linearly move after rotating, the sliding block can squeeze a first spring when moving, the first spring pushes a first clamping block to approach the second clamping block under the condition of being stressed, finally the pressure gauge can be clamped together with the second clamping block, and the step of manually lifting the pressure gauge for a long time is reduced in a pre-fixing mode, so that the pressure gauge is more convenient and safer to use.

Description

Clamping device for pressure gauge calibration

Technical Field

The utility model relates to a clamping device for pressure gauge calibration, in particular to a clamping device for pressure gauge calibration, and belongs to the technical field of pressure gauge calibration.

Background

The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very common in application, and almost extends to all industrial processes and scientific research fields. Is widely visible in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance factories, shops and the like. In particular, in the industrial process control and technical measurement process, the elastic sensitive element of the mechanical pressure gauge has the characteristics of high mechanical strength, convenient production and the like, so that the mechanical pressure gauge is more and more widely applied, and the detection and calibration of the pressure gauge are indispensable links when the pressure gauge is produced and used for a long time.

The utility model according to patent number CN213455977U relates to a detection device of a pressure gauge, which comprises a frame and an air pressure source arranged on the frame, wherein a clamping assembly used for clamping the pressure gauge is arranged on the upper portion of the frame, an air inlet pipe of the pressure gauge is arranged downwards, the clamping assembly comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece can be arranged on the frame in opposite directions or in a back direction, a control assembly used for driving the first clamping piece and the second clamping piece to move is arranged on the frame, a pressure box is arranged below the pressure gauge, an air outlet which can be spliced with the air inlet pipe of the pressure gauge is arranged at the upper end of the pressure box, the pressure box is communicated with the air pressure source, and a driving assembly used for driving the pressure box to move up and down is further arranged below the pressure box. By adopting the scheme, the utility model overcomes the defects in the prior art, and provides the detection device of the pressure gauge, which has a simple structure and is convenient to operate.

The clamping operation in the above comparison document during detection of the pressure gauge has the following problems that the pressure gauge needs to be lifted manually until the clamping device clamps the pressure gauge, the operation is very inconvenient and dangerous, and when the pressure gauge is pressurized, the pushing device needs to be started to pressurize after the pressure gauge is clamped stably, the process is very complicated, and a great deal of time is wasted, so that the device needs to be improved.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to solve the problems that the clamping device for calibrating the pressure gauge is needed to be lifted manually until the clamping device clamps the pressure gauge in the prior art, the operation is very inconvenient, the connecting pipe cannot be accurately connected with the pressure box, the danger is very high, and when the pressure gauge is pressurized, the pushing device can be started to be pressurized after the clamping of the pressure gauge is stable, the process is very complicated, and a great amount of time is wasted.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a clamping device is used in manometer calibration, includes the top cap, the inside rotation of top cap is connected with the second threaded rod, second threaded rod outside middle part rotates and is connected with the second clamp splice, second clamp splice bottom is fixedly provided with chucking mechanism, first clamp splice has been cup jointed in second threaded rod outside in keeping away from second clamp splice department activity, the inside first spring of a side wall fixedly connected with of first clamp splice, first spring housing is established in the second threaded rod outside, first spring other end fixedly connected with slider, slider threaded connection is in the second threaded rod outside, the slider slides in first clamp splice, has solved the manual work and has lifted the manometer until clamping device presss from both sides the manometer, and the operation is got up very inconvenient to can lead to the connecting pipe unable accurate connection with the pressure tank, very dangerous, and when pressing the manometer, need wait for the manometer centre gripping to stabilize the back just can open thrust unit and carry out the pressure, the process is very loaded down with trivial details, and has wasted a large amount of time problem.

Preferably, the clamping mechanism comprises a fixed block, the second springs are fixedly connected to the two side walls inside the fixed block, the connecting rods are fixedly connected to one ends of the second springs, the connecting rods penetrate through the fixed block in a movable mode, one ends of the connecting rods are fixedly connected with clamping blocks, one sides of the clamping blocks are arranged to be cambered surfaces, the clamping mechanism can be pre-fixed before clamping, manual participation is reduced, and efficiency is improved.

Preferably, the top cap bottom is fixed and is provided with the second gag lever post, first clamp splice sliding connection is in the second gag lever post outside, second clamp splice fixed connection is in the second gag lever post outside, and the second clamp splice adopts fixed mode for central point puts unchanged after the manometer centre gripping, connects more accurately.

Preferably, one end of the second threaded rod is fixedly connected with a rotating handle, the bottom of the top cover is fixedly connected with a supporting rod, the lower end of the supporting rod is fixedly connected with a base, and the rotating handle is convenient to use.

Preferably, the base one side rotates and is connected with the bull stick, the bull stick runs through the base and extends to inside the base, equal fixedly connected with band pulley in bull stick and the second threaded rod outside, two through belt drive between the band pulley, the existence of band pulley drive has reduced the time of operation greatly.

Preferably, the one end fixedly connected with first bevel gear of bull stick in the base, first bevel gear one side meshing is connected with the second bevel gear, second bevel gear top fixedly connected with first threaded rod, first threaded rod runs through the base and rotates with the base to be connected, first threaded rod outside threaded connection has the chassis, the inside first gag lever post that is provided with of chassis, chassis sliding connection is in first gag lever post outside, first gag lever post fixedly connected with base top, the existence of first threaded rod for the air pressure source can be pressurized for the manometer.

Preferably, the chassis top is fixed and is provided with the pressure case, the fixed gas outlet that is provided with in pressure case top, base one side is fixed and is provided with the atmospheric pressure source, be connected through the trachea between the output of atmospheric pressure source and the chassis, the existence of atmospheric pressure source provides atmospheric pressure for whole device.

The utility model provides a clamping device for pressure gauge calibration, which has the following beneficial effects:

1. this clamping device is used in manometer calibration, manual rotation rotates the handle, rotates the handle and drives the second threaded rod and rotate, can drive slider rectilinear motion after the second threaded rod rotates, can extrude first spring when the slider motion, first spring can promote first clamp splice under the circumstances of atress for first clamp splice is close towards the second clamp splice, finally can clip the manometer together with the second clamp splice, through the mode to manometer pre-fixing, has reduced the step of artifical long-time pressure gauge of lifting, uses convenience and safety more.

2. This clamping device is used in manometer calibration, after first clamp splice resets with the chassis, take off the manometer again, the second clamp splice has adopted fixed connection's mode for the central point of manometer puts unchanged, more easily with the accurate laminating of gas outlet, adopted the centre gripping simultaneously with fill the pressure mode of going on, very big reduction time has improved availability factor.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal mechanism of the base of the present utility model;

FIG. 3 is a schematic view of the internal structure of a second clamping block according to the present utility model;

FIG. 4 is a schematic view of the internal structure of a first clamping block according to the present utility model;

FIG. 5 is an enlarged schematic view of a second clamping block according to the present utility model.

[ Main reference numerals Specification ]

1. A base; 2. a rotating rod; 3. a belt wheel; 4. a first spring; 5. a support rod; 6. a first threaded rod; 7. a first stop lever; 8. a first clamping block; 9. a second threaded rod; 10. a top cover; 11. a second clamping block; 12. a fixed block; 13. an air outlet; 14. a pressure tank; 15. a chassis; 16. a slide block; 17. a pneumatic source; 18. a first bevel gear; 19. a second bevel gear; 20. a second limit rod; 21. a clamping block; 22. rotating the handle; 23. a second spring; 24. and (5) connecting a rod.

Detailed Description

The embodiment of the utility model provides a clamping device for calibrating a pressure gauge.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the device comprises a top cover 10, the inside rotation of the top cover 10 is connected with a second threaded rod 9, the middle part of the outside of the second threaded rod 9 is connected with a second clamping block 11 in a rotating way, the bottom of the second clamping block 11 is fixedly provided with a clamping mechanism, the outside of the second threaded rod 9 is movably sleeved with a first clamping block 8 far away from the second clamping block 11, one side wall of the inside of the first clamping block 8 is fixedly connected with a first spring 4, the first spring 4 is sleeved outside the second threaded rod 9, the other end of the first spring 4 is fixedly connected with a sliding block 16, the sliding block 16 is in threaded connection with the outside of the second threaded rod 9, the sliding block 16 slides in the first clamping block 8, the clamping mechanism comprises a fixed block 12, two side walls of the inside of the fixed block 12 are fixedly connected with a second spring 23, one end of the second spring 23 is fixedly connected with a connecting rod 24, the connecting rod 24 is movably penetrated through the fixed block 12, one end of the connecting rod 24 is fixedly connected with a clamping block 21, one side of the clamping block 21 is provided with an arc surface, the bottom of the top cover 10 is fixedly provided with a second limiting rod 20, the first clamping block 8 is slidably connected with the outside of the second limiting rod 20, the second clamping block 11 is fixedly connected with the outside of the second clamping block 11.

The utility model is used when in use: the manometer to be detected and calibrated is placed on the inner side of the second clamping block 11, the connecting pipe of the manometer is made to extrude the arc surfaces of the two clamping blocks 21, the two clamping blocks 21 can push the rear connecting rod 24 under the action of extrusion force, the connecting rod 24 slides in the fixed block 12 and continuously extrudes the second spring 23, after the connecting pipe of the manometer enters the inner side of the clamping block 21, the second spring 23 starts to rebound and extrudes the connecting rod 24, the connecting rod 24 slides in the fixed block 12 and pushes the two clamping blocks 21 to move relatively to clamp the connecting pipe of the pressure pipe, after the manometer is clamped, the rotating handle 22 is manually rotated, the rotating handle 22 drives the second threaded rod 9 to rotate, the second threaded rod 9 can drive the sliding block 16 to move linearly after rotating, the sliding block 16 can extrude the first spring 4 when moving, the first spring 4 can push the first clamping block 8 under the condition of stress, the first clamping block 8 approaches to the second clamping block 11, finally the manometer can be clamped together with the second clamping block 11, the step of manually lifting the manometer for a long time is reduced, and the manometer is more convenient to use.

Referring to fig. 1, fig. 2, fig. 4 and fig. 5 again, the rotation handle 22 is fixedly connected with one end of the second threaded rod 9, the supporting rod 5 is fixedly connected with the bottom of the top cover 10, the lower end of the supporting rod 5 is fixedly connected with the base 1, one side of the base 1 is rotationally connected with the rotating rod 2, the rotating rod 2 penetrates through the base 1 and extends into the base 1, the rotating rod 2 and the outer side of the second threaded rod 9 are fixedly connected with the belt pulley 3, the two belt pulleys 3 are driven by a belt, one end of the rotating rod 2 in the base 1 is fixedly connected with the first bevel gear 18, one side of the first bevel gear 18 is meshed and connected with the second bevel gear 19, the top of the second bevel gear 19 is fixedly connected with the first threaded rod 6, the first threaded rod 6 penetrates through the base 1 and is rotationally connected with the base 1, the outer side of the first threaded rod 6 is in threaded connection with the base 15, the first limiting rod 7 is arranged in the base 15, the outer side of the base 15 is slidingly connected with the first limiting rod 7, the top of the base 1 is fixedly connected with the pressure box 14, the top of the base 15 is fixedly connected with the pressure box 14, the top of the pressure box 14 is fixedly arranged at the top of the base 1, the air outlet is fixedly connected with the air outlet is arranged at the top of the pressure box 17, and the output end of the air outlet is fixedly connected with the air outlet through the air pipe 17.

The utility model is used when in use: after the second threaded rod 9 starts to rotate, the rotating rod 2 is driven to rotate through the cooperation of the belt wheel 3 and the belt, after the rotating rod 2 rotates, the first bevel gear 18 with one end fixedly connected is driven to rotate, the first bevel gear 18 drives the second bevel gear 19 to rotate through meshing, after the second bevel gear 19 rotates, the first threaded rod 6 with the upper side fixedly connected is driven to rotate, and the chassis 15 is driven to slide upwards on the outer side of the first limiting rod 7, finally, the air outlet 13 of the pressure box 14 above the chassis 15 is enabled to be close to a connecting pipe of the pressure gauge, when the air outlet 13 is about to contact the connecting pipe, the pressure gauge is clamped by the first clamping block 8 and the second clamping block 11, at the moment, the rotating handle 22 is continuously rotated, the sliding block 16 slides in the first clamping block 8 and continuously extrudes the first spring 4, meanwhile, the chassis 15 continuously ascends, the air outlet 13 is tightly combined with the connecting pipe, at the moment, the air pressure source 17 is started to boost the pressure box 14 through an air pipe, the air outlet 13 is boosted to the pressure gauge, and the pressure gauge is further detected and calibrated.

After detection and calibration are finished, the rotary handle 22 is reversely rotated to enable the chassis 15 to move downwards, meanwhile, the sliding block 16 reversely moves, and because the first spring 4 is still in a compressed state when the sliding block 16 reversely moves, the first clamping block 8 is forced to force, the first clamping block 8 and the second clamping block 11 continue to clamp the pressure gauge until the other side of the sliding block 16 is contacted with the first clamping block 8, the air outlet 13 is separated from a connecting pipe of the pressure gauge, then the first clamping block 8 and the chassis 15 are reset, the pressure gauge is removed after the first clamping block 8 and the chassis 15 are reset, the second clamping block 11 adopts a fixed connection mode, the center position of the pressure gauge is unchanged, the pressure gauge is more easily and accurately attached to the air outlet 13, and meanwhile, the clamping and pressurizing are simultaneously carried out, so that the time is greatly reduced, and the use efficiency is improved.

Working principle: the pressure gauge to be detected and calibrated is placed on the inner side of the second clamping block 11, the connecting pipe of the pressure gauge is made to extrude the arc surfaces of the two clamping blocks 21, the two clamping blocks 21 can push the rear connecting rod 24 under the action of extrusion force, the connecting rod 24 slides in the fixed block 12 and continuously extrudes the second spring 23, after the connecting pipe of the pressure gauge enters the inner side of the clamping block 21, the second spring 23 starts to rebound and extrudes the connecting rod 24, the connecting rod 24 slides in the fixed block 12 and pushes the two clamping blocks 21 to move relatively to clamp the connecting pipe of the pressure pipe, after the pressure gauge is clamped, the rotating handle 22 is manually rotated, the rotating handle 22 drives the second threaded rod 9 to rotate, the sliding block 16 is driven to move linearly after the second threaded rod 9 rotates, the sliding block 16 can extrude the first spring 4 when the sliding block 16 moves, and the first spring 4 can push the first clamping block 8 under the condition of stress, so that the first clamping block 8 approaches to the second clamping block 11, and finally the pressure gauge can be clamped together with the second clamping block 11.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Clamping device is used in manometer calibration, including top cap (10), its characterized in that: the novel clamping device is characterized in that a second threaded rod (9) is connected to the inside rotation of the top cover (10), a second clamping block (11) is connected to the middle of the outer side of the second threaded rod (9) in a rotating mode, a clamping mechanism is fixedly arranged at the bottom of the second clamping block (11), a first clamping block (8) is movably sleeved at the outer side of the second threaded rod (9) away from the position of the second clamping block (11), a first spring (4) is fixedly connected to one side wall of the inner side of the first clamping block (8), the first spring (4) is sleeved on the outer side of the second threaded rod (9), a sliding block (16) is fixedly connected to the other end of the first spring (4) and is in threaded connection with the outer side of the second threaded rod (9), and the sliding block (16) slides inside the first clamping block (8).

2. The pressure gauge calibration clamp device of claim 1, wherein: the clamping mechanism comprises a fixed block (12), the two side walls inside the fixed block (12) are fixedly connected with second springs (23), one ends of the second springs (23) are fixedly connected with connecting rods (24), the connecting rods (24) penetrate through the fixed block (12) in a movable mode, one ends of the connecting rods (24) are fixedly connected with clamping blocks (21), and one sides of the clamping blocks (21) are arranged to be cambered surfaces.

3. The pressure gauge calibration clamp device of claim 1, wherein: the top cover (10) bottom is fixedly provided with a second limiting rod (20), the first clamping block (8) is connected to the outer side of the second limiting rod (20) in a sliding mode, and the second clamping block (11) is fixedly connected to the outer side of the second limiting rod (20).

4. The pressure gauge calibration clamp device of claim 1, wherein: one end of the second threaded rod (9) is fixedly connected with a rotating handle (22), the bottoms of the top covers (10) are fixedly connected with supporting rods (5), and the lower ends of the supporting rods (5) are fixedly connected with a base (1).

5. The pressure gauge calibration clamp of claim 4, wherein: the novel belt conveyor is characterized in that a rotating rod (2) is rotationally connected to one side of the base (1), the rotating rod (2) penetrates through the base (1) and extends to the inside of the base (1), belt wheels (3) are fixedly connected to the outer sides of the rotating rod (2) and the outer sides of second threaded rods (9), and two belt wheels (3) are driven by a belt.

6. The pressure gauge calibration clamp of claim 5, wherein: one end fixedly connected with first bevel gear (18) of bull stick (2) in base (1), first bevel gear (18) one side meshing is connected with second bevel gear (19), first threaded rod (6) of second bevel gear (19) top fixedly connected with, first threaded rod (6) run through base (1) and rotate with base (1) and be connected, first threaded rod (6) outside threaded connection has chassis (15), chassis (15) inside is provided with first gag lever post (7), chassis (15) sliding connection is in first gag lever post (7) outside, first gag lever post (7) fixedly connected with base (1) top.

7. The pressure gauge calibration clamp of claim 6, wherein: the novel air conditioner is characterized in that a pressure box (14) is fixedly arranged at the top of the chassis (15), an air outlet (13) is fixedly arranged at the top of the pressure box (14), an air pressure source (17) is fixedly arranged on one side of the base (1), and the output end of the air pressure source (17) is connected with the chassis (15) through an air pipe.