CN216746571U

CN216746571U - Portable ultra-high precision pressure measurement calibrator

Info

Publication number: CN216746571U
Application number: CN202123329098.XU
Authority: CN
Inventors: 倪建; 杜阳; 刘志
Original assignee: Hefei Ward New Testing Technology Co ltd
Current assignee: Hefei Ward New Testing Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-06-14
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a portable ultrahigh-precision pressure measurement calibrator in the technical field of pressure measurement calibration, which comprises a calibrator body, a pressure measurement connecting seat and a connecting piece, wherein the pressure measurement connecting seat is fixedly connected in the middle of the top of the calibrator body, the connecting piece is fixedly connected in the middle of the lower side of the rear side wall of the calibrator body, a fine adjustment knob is fixedly connected in the middle of the lower side of the front side wall of the calibrator body, a pressure release valve is inserted in the upper side of the left side wall of the calibrator body, a pressure measurement connecting pipe is inserted in the top of the pressure measurement connecting seat, a first groove is formed in the middle of the lower sides of the left side and the right side of the outer side wall of the pressure measurement connecting pipe, and a limiting rod is fixedly connected in the middle of the bottom of an inner cavity of the first groove. The pressure measurement calibrator has the advantages of being convenient to calibrate and improving the service efficiency of the pressure measurement calibrator.

Description

Portable ultrahigh-precision pressure measurement calibrator

Technical Field

The utility model relates to the technical field of pressure measurement calibration, in particular to a portable ultrahigh-precision pressure measurement calibrator.

Background

Pressure measurement is usually measured by a pressure gauge, and the pressure gauge refers to a meter which measures and indicates pressure higher than ambient pressure, so that workers can make accurate judgment on the safety of a working environment, the accuracy of pressure measurement equipment is very important, a pressure measurement calibrator is required to be used for detection and calibration, and along with the continuous development of science and technology, the convenient pressure measurement calibrator is correspondingly used.

At present, portable's pressure measurement calibrator when using, need be with manometer threaded connection at the connection port of pressure measurement calibrator, this process is comparatively wasted time and energy, be not convenient for use, and the manometer is all handheld pressure measurement calibrator after establishing with the pressure measurement calibrator and is measured and calibrate, make the manometer can produce when the calibration and rock, thereby lead to the manometer inner member to produce and rock, be not convenient for calibrate, the availability factor of pressure measurement calibrator has been lower, we have proposed a portable super high accuracy pressure measurement calibrator for this reason.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable ultrahigh-precision pressure measurement calibrator to solve the problems that the connection of a connection port and a pressure gauge wastes time and labor and the pressure gauge shakes during calibration in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a portable ultra-high precision pressure measurement calibrator comprises a calibrator body, a pressure measurement connecting seat and a connecting piece, wherein the pressure measurement connecting seat is fixedly connected in the middle of the top of the calibrator body, the connecting piece is fixedly connected in the middle of the lower side of the rear side wall of the calibrator body, a fine adjustment knob is fixedly connected in the middle of the lower side of the front side wall of the calibrator body, a pressure release valve is inserted in the upper side of the left side wall of the calibrator body, a pressure measurement connecting pipe is inserted in the top of the pressure measurement connecting seat, a first groove is formed in the middle of the lower sides of the left side wall and the right side wall of the pressure measurement connecting pipe, a limiting rod is fixedly connected in the middle of the bottom of an inner cavity of the first groove, a first elastic piece is sleeved on the outer side wall of the limiting rod, the first elastic piece is fixedly connected to the bottom of the inner cavity of the first groove, and a sliding block is fixedly connected to the top end of the first elastic piece, the sliding block is connected to the inner cavity of the first groove in a sliding mode, the outer side wall of the sliding block is fixedly connected with the sleeve, anti-slip lines are formed in the middle of the outer side wall of the sleeve, the upper left side and the upper right side of the inner side wall of the sleeve are provided with second grooves, the bottom of the connecting piece is fixedly connected with a connecting plate, and the bottom of the connecting plate is fixedly connected with a mounting seat.

Preferably, the preceding lateral wall upside fixedly connected with control panel of calibrator body, control panel's the preceding lateral wall upper left side is inlayed and is had the display screen, control panel with calibrator body and display screen electric connection.

Preferably, a pressurizing button is fixedly connected to the lower side of the right side wall of the calibrator body, and a first anti-skid pad is fixedly connected to the right side wall of the pressurizing button.

Preferably, the lower side of the rear side wall of the calibrator body is fixedly connected with a baffle, the rear side wall of the baffle is fixedly connected with a second non-slip mat, and the second non-slip mat and the first non-slip mat are both made of silica gel materials.

Preferably, four corners of the rear side wall of the calibrator body are fixedly connected with pad feet, and the pad feet are made of rubber materials.

Preferably, the inner cavity of the second groove is fixedly connected with a second elastic piece, the tail end of the second elastic piece is fixedly connected with a limiting block, and the second elastic piece and the first elastic piece are both springs.

Preferably, the bottom of the mounting seat is fixedly connected with an adsorption piece which is a sucker.

Compared with the prior art, the utility model has the beneficial effects that: this portable ultrahigh accuracy pressure measurement calibrator, sleeve through drop-down being equipped with, make second elastic component and stopper receive during the shell oppression entering second recess of pressure measurement connecting pipe, then rethread first elastic component resilience drives slider and sleeve homing, make second elastic component cooperation stopper fix the manometer, make pressure measurement connecting pipe and manometer connection process labour saving and time saving, and convenient to use, and adsorb workstation or plate through adsorbing the piece, make pressure measurement calibrator monolithic stationary, avoided the manometer to rock when the calibration, the calibration of being convenient for, the availability factor of pressure measurement calibrator has been improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a front sectional view of the present invention;

FIG. 4 is a rear view of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 3 according to the present invention.

In the figure: 100. a calibrator body; 110. finely adjusting a knob; 120. a control panel; 130. a display screen; 140. a pressure relief valve; 150. a pressurizing button; 160. a first non-slip mat; 170. a baffle plate; 180. a second non-slip mat; 190. a foot pad; 200. a pressure measuring connecting seat; 210. a pressure measuring connecting pipe; 220. a first groove; 230. a limiting rod; 240. a first elastic member; 250. a slider; 260. a sleeve; 261. anti-skid lines; 270. a second groove; 280. a second elastic member; 290. a limiting block; 300. a connecting member; 310. a connecting plate; 320. a mounting seat; 330. an adsorbing member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a portable ultra-high precision pressure measurement calibrator, wherein a connecting port is connected with a pressure gauge, so that time and labor are saved, and the pressure gauge is prevented from shaking during calibration, please refer to fig. 1-5, and the calibrator comprises a calibrator body 100, a pressure measurement connecting seat 200 and a connecting piece 300;

referring to fig. 1 to 4, a fine adjustment knob 110 is fixedly connected to the middle of the lower side of the front side wall of the calibrator body 100, a pressure release valve 140 is inserted into the upper side of the left side wall of the calibrator body 100, the calibrator body 100 is used for supporting the pressure measuring connection seat 200 and the connection member 300, the fine adjustment knob 110 is used for controlling the air pressure generated by the calibrator body 100, and the pressure release valve 140 is used for controlling the air pressure discharge generated by the calibrator body 100;

referring to fig. 1-5 again, a pressure measuring connection tube 210 is inserted into the top of the pressure measuring connection seat 200, a first groove 220 is formed in the middle of the lower side of the left and right sides of the outer side wall of the pressure measuring connection tube 210, a limit rod 230 is fixedly connected to the middle of the bottom of the inner cavity of the first groove 220, a first elastic member 240 is sleeved on the outer side wall of the limit rod 230, the first elastic member 240 is fixedly connected to the bottom of the inner cavity of the first groove 220, a sliding block 250 is fixedly connected to the top end of the first elastic member 240, the sliding block 250 is slidably connected to the inner cavity of the first groove 220, a sleeve 260 is fixedly connected to the outer side wall of the sliding block 250, anti-slip threads 261 are formed in the middle of the outer side wall of the sleeve 260, second grooves 270 are formed in the left upper side and the right upper side of the inner side wall of the sleeve 260, the pressure measuring connection seat 200 is fixedly connected to the middle of the top of the calibrator body 100, the pressure measuring connection tube 200 is used for supporting the pressure measuring connection tube 210, and for butt-jointing a pressure gauge, the first groove 220 is used for providing a space for mounting the limiting rod 230 and the first elastic piece 240, the limiting rod 230 is used for limiting the first elastic piece 240, the first elastic piece 240 is used for supporting the sliding block 250, the sliding block 250 is used for supporting the sleeve 260 in a matching mode with the first elastic piece 240, the sleeve 260 is used for fixing a connecting port of an air pressure gauge in a matching mode with the limiting block 290, the anti-slip threads 261 are used for increasing the friction force on the surface of the sleeve 260, and the second groove 270 is used for providing a space for mounting the second elastic piece 280;

referring to fig. 1 to 4 again, the bottom of the connecting member 300 is fixedly connected with a connecting plate 310, the bottom of the connecting plate 310 is fixedly connected with a mounting seat 320, the connecting member 300 is fixedly connected to the middle of the lower side of the rear side wall of the calibrator body 100, the connecting member 300 is used for supporting the connecting plate 310, the connecting plate 310 is used for supporting the mounting seat 320, and the mounting seat 320 is used for supporting the suction attachment 330.

Referring to fig. 1 to 4 again, in order to enable the control panel 120 to control the start and stop of the display screen 130 and the calibrator body 100 and to display the data of the calibrator body 100 through the display screen 130, the control panel 120 is fixedly connected to the upper side of the front sidewall of the calibrator body 100, the display screen 130 is embedded in the upper left side of the front sidewall of the control panel 120, and the control panel 120 is electrically connected to the calibrator body 100 and the display screen 130.

Referring to fig. 1 to 4 again, in order to increase the friction force on the surface of the pressing button 150 by the first anti-slip pad 160, the pressing button 150 is fixedly connected to the lower side of the right sidewall of the calibrator body 100, and the first anti-slip pad 160 is fixedly connected to the right sidewall of the pressing button 150.

Referring to fig. 1-4 again, in order to improve the utilization efficiency of the second anti-slip mat 180 and the first anti-slip mat 160, the baffle plate 170 is fixedly connected to the lower side of the rear sidewall of the calibrator body 100, the second anti-slip mat 180 is fixedly connected to the rear sidewall of the baffle plate 170, and the second anti-slip mat 180 and the first anti-slip mat 160 are made of a silicone material.

Referring to fig. 1-4 again, in order to prevent the calibrator body 100 from being scratched when being placed, four corners of the rear sidewall of the calibrator body 100 are fixedly connected with the pads 190, and the pads 190 are made of rubber.

Referring to fig. 1-5 again, in order to improve the utilization efficiency of the second elastic element 280 and the first elastic element 240, the inner cavity of the second groove 270 is fixedly connected with the second elastic element 280, the end of the second elastic element 280 is fixedly connected with the limiting block 290, and both the second elastic element 280 and the first elastic element 240 are springs.

Referring to fig. 1-4 again, in order to improve the utilization efficiency of the suction element 330, the suction element 330 is fixedly connected to the bottom of the mounting base 320, and the suction element 330 is a suction cup.

In specific use, a person skilled in the art firstly manually adsorbs the pressure measurement calibrator on the workbench through the adsorption part 330, and after the pressure measurement calibrator is completely fixed, then, the sleeve 260 is held by hand and positioned on the anti-slip pattern 261, and the sleeve 260 is pulled down to drive the sliding block 250 to drive the first elastic element 240 to contract, meanwhile, the limit block 290 is pressed by the pressure measuring connection pipe 210, the second elastic member 280 is driven to drive the limit block 290 to contract into the second groove 270, the pressure gauge is then held by the worker in alignment with the pressure connection tube 210, and the sleeve 260 is loosened, the sliding block 250 is driven to move upwards by the elastic potential energy of the first elastic member 240, and simultaneously the sleeve 260 is driven to move upwards, then the second elastic member 280 drives the limiting block 290 to fix the pressure gauge, then, the operator manually operates the control panel 120, the fine adjustment knob 110 and the pressurizing button 150 to measure and calibrate the pressure gauge.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a portable super high accuracy pressure measurement calibrator which characterized in that: the pressure measuring device comprises a calibrator body (100), a pressure measuring connecting seat (200) and a connecting piece (300), wherein the pressure measuring connecting seat (200) is fixedly connected in the middle of the top of the calibrator body (100), the connecting piece (300) is fixedly connected in the middle of the lower side of the rear side wall of the calibrator body (100), a fine adjustment knob (110) is fixedly connected in the middle of the lower side of the front side wall of the calibrator body (100), a pressure release valve (140) is spliced on the upper side of the left side wall of the calibrator body (100), a pressure measuring connecting pipe (210) is spliced on the top of the pressure measuring connecting seat (200), a first groove (220) is formed in the middle of the lower side of the left side wall and the right side wall of the pressure measuring connecting pipe (210), a limiting rod (230) is fixedly connected in the middle of the bottom of an inner cavity of the first groove (220), a first elastic piece (240) is sleeved on the outer side wall of the limiting rod (230), and the first elastic piece (240) is fixedly connected at the bottom of the inner cavity of the first groove (220), the top fixedly connected with slider (250) of first elastic component (240), just slider (250) sliding connection be in the inner chamber of first recess (220), lateral wall fixedly connected with sleeve (260) of slider (250), it has anti-skidding line (261) to open in the middle of the lateral wall of sleeve (260), the upper left side of the inside wall and the upper right side of the inside wall of sleeve (260) are opened there is second recess (270), bottom fixed connection board (310) of connecting piece (300), the bottom fixedly connected with mount pad (320) of connecting plate (310).

2. The portable ultra-high precision pressure measurement calibrator of claim 1, wherein: the utility model discloses a calibrator, including calibrator body (100), preceding lateral wall upside fixedly connected with control panel (120), the upper left side of preceding lateral wall of control panel (120) is inlayed and is had display screen (130), control panel (120) with calibrator body (100) and display screen (130) electric connection.

3. The portable ultra-high precision pressure measurement calibrator of claim 1, wherein: the lower side of the right side wall of the calibrator body (100) is fixedly connected with a pressurizing button (150), and the right side wall of the pressurizing button (150) is fixedly connected with a first anti-skid pad (160).

4. The portable ultra-high precision pressure measurement calibrator of claim 1, wherein: the calibrator body (100) is characterized in that a baffle (170) is fixedly connected to the lower side of the rear side wall of the calibrator body, a second anti-skid pad (180) is fixedly connected to the rear side wall of the baffle (170), and the second anti-skid pad (180) and the first anti-skid pad (160) are both made of silica gel.

5. The portable ultra-high precision pressure measurement calibrator of claim 1, wherein: the four corners of the rear side wall of the calibrator body (100) are fixedly connected with pad feet (190), and the pad feet (190) are made of rubber materials.

6. The portable ultra-high precision pressure metering calibrator of claim 1, wherein: the inner cavity of the second groove (270) is fixedly connected with a second elastic piece (280), the tail end of the second elastic piece (280) is fixedly connected with a limiting block (290), and the second elastic piece (280) and the first elastic piece (240) are both springs.

7. The portable ultra-high precision pressure measurement calibrator of claim 1, wherein: the bottom fixedly connected with of mount pad (320) adsorbs piece (330), adsorb piece (330) is the sucking disc.