CN212988690U - Piston pressure gauge for instrument calibration - Google Patents
Piston pressure gauge for instrument calibration Download PDFInfo
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- CN212988690U CN212988690U CN202022182319.4U CN202022182319U CN212988690U CN 212988690 U CN212988690 U CN 212988690U CN 202022182319 U CN202022182319 U CN 202022182319U CN 212988690 U CN212988690 U CN 212988690U
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Abstract
The utility model provides a piston pressure gauge for instrument calibration, which comprises a base, the piston cylinder is installed at the top of base, the mount is installed in the outside of piston cylinder, fixing hole has all been seted up on the montant of mount, fixing hole's inboard is equipped with supporting component, supporting component includes one way threaded rod, the meshing is connected with the removal seat on one way threaded rod's the outer wall, remove one side of seat and install the mounting bracket, the inboard of mounting bracket is connected with the connecting rod through adjusting bolt, the backup pad is installed to the one end of connecting rod, just the scale dish is installed to the top of piston cylinder, the inboard of piston cylinder is equipped with the piston rod, the cover is equipped with a plurality of standard weights on the outer wall of piston. The utility model is convenient to use, and reduces the possibility of breaking the piston rod; the standard weight can be stably supported through the supporting component, a user does not need to move the weight back and forth, and the standard weight is more convenient to assemble and disassemble, and time and labor are saved.
Description
Technical Field
The utility model mainly relates to the technical field of piston pressure gauge specifically is a piston pressure gauge is used in instrument calibration.
Background
Among the prior art, piston pressure gauge comprises piston system, special weight, calibrator triplex usually, can be used to the instrument calibration and use, because current piston pressure gauge exists the weight and need rotate the problem of avoiding the weight dead lever rupture, wastes time and energy and harm the weight dead lever easily, and the user need make a round trip to move the weight simultaneously, extravagant check-out time.
According to patent document application No. 201720961862.X, a manual portable piston pressure gauge is provided, including the aluminium base, the minitrim valve is connected to the side of aluminium base, the minitrim valve passes through the bottom of passageway connection piston, the passageway between minitrim valve and the piston is connected with the stop valve, the piston top is tray structure, tray structure exposes in the aluminium base, the weight is laid to tray structure, the bottom of piston is through the passageway connection table seat, the bottom that connects the table seat is connected with the table seat stop valve, the passageway is seted up in the aluminium base, aluminium base upper surface is connected with the displacement indicator board, though solved because bulky problem that can not carry out, but there is the problem that the weight need rotate and avoid the dead lever weight to break.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a piston pressure gauge is used in instrument calibration for solve the technical problem who proposes among the above-mentioned background art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a piston type pressure gauge for instrument calibration comprises a base, a piston cylinder is arranged at the top of the base, a fixing frame is arranged on the outer side of the piston cylinder, fixing through holes are formed in vertical rods of the fixing frame, supporting components are arranged on the inner side of each fixing through hole, each supporting component comprises a one-way threaded rod, a moving seat is meshed and connected to the outer wall of each one-way threaded rod, a mounting frame is arranged on one side, close to the piston cylinder, of each moving seat, the inner side of each mounting frame is connected with a connecting rod through an adjusting bolt, a supporting plate is arranged at one end, away from the mounting frame, of each connecting rod, and a weight tray is arranged above the piston cylinder, a piston rod is arranged on the inner side of the piston cylinder, the top end of the piston rod penetrates through the weight tray and is in sliding connection with a cross rod of the fixing frame, and a plurality of standard weights are sleeved on the outer wall of the piston rod.
Furthermore, an oil cup is installed at the front end of the piston cylinder, a standard pressure gauge and a pressure gauge to be calibrated are installed on one side of the piston cylinder and one side of the oil cup respectively, a main oil duct is arranged on the inner side of the base, one end of the main oil duct is connected with a pressure generating device, four auxiliary oil ducts are arranged at one end, far away from the pressure generating device, of the main oil duct, and one ends of the auxiliary oil ducts are connected with the piston cylinder, the oil cup, the standard pressure gauge and the pressure gauge to be calibrated respectively.
Furthermore, the piston end of the pressure generating device penetrates through the base and extends to the outer side of the base, and a rocker is installed on the piston end of the pressure generating device.
Furthermore, the piston cylinder, the standard pressure gauge and the auxiliary oil duct where the pressure gauge to be calibrated is located are all provided with cut-off valves.
Furthermore, four apex angle departments of base bottom install the leveling supporting legs perpendicularly one by one, every the shock attenuation wear pad is all installed to the bottom of leveling supporting legs.
Further, a piston is installed at the bottom end of the piston rod.
Furthermore, every the top of one-way threaded rod all runs through the mount and extends to its outside and install the rocking handle, every one-way threaded rod's bottom all is connected with the mount is rotated through ball bearing.
Furthermore, the fixing frame and the mounting frame are of U-shaped structures.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model can stabilize the piston rod through the fixing frame, can balance the stress of the piston rod without rotating a standard weight, is convenient to use and reduces the possibility of breaking the piston rod; the height and angle of the supporting plate are adjusted through the one-way threaded rod, the movable seat, the mounting frame, the adjusting bolt and the connecting rod, the standard weight can be stably supported, a user does not need to move the weight back and forth, and the standard weight is more convenient to mount and dismount and is time-saving and labor-saving; the standard weights do not need to be stored in other places, so that the space is saved.
The present invention will be explained in detail with reference to the drawings and specific embodiments.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the oil duct in the base of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 1;
fig. 4 is an enlarged view of region B in fig. 1.
In the figure: 1. a base; 11. a pressure generating device; 111. a rocker; 112. a main oil gallery; 113. a secondary oil gallery; 2. an oil cup; 3. a piston cylinder; 31. a piston rod; 32. a piston; 33. a weight tray; 34. standard weights; 4. a standard pressure gauge; 5. calibrating the pressure gauge; 6. a fixed mount; 61. a fixing through hole; 7. a support assembly; 71. a one-way threaded rod; 72. a movable seat; 73. a mounting frame; 74. adjusting the bolt; 75. a connecting rod; 76. a support plate; 77. a rocking handle; 8. a shut-off valve; 9. leveling the supporting legs; 91. shock attenuation wear pad.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the embodiment, referring to fig. 1 and 3, a piston type pressure gauge for instrument calibration includes a base 1, a piston cylinder 3 is installed on the top of the base 1, a fixing frame 6 is installed on the outer side of the piston cylinder 3, the fixing frame 6 and a mounting frame 73 are both U-shaped structures, fixing through holes 61 are formed in vertical rods of the fixing frame 6, a support assembly 7 is arranged on the inner side of each fixing through hole 61, each support assembly 7 includes a one-way threaded rod 71, a moving seat 72 is engaged and connected to the outer wall of each one-way threaded rod 71, a mounting frame 73 is installed on one side of each moving seat 72 close to the piston cylinder 3, a connecting rod 75 is connected to the inner side of each mounting frame 73 through an adjusting bolt 74, a support plate 76 is installed at one end of each connecting rod 75 far from the mounting frame 73, and a weight tray 33 is installed above the piston cylinder, the piston rod 31 is arranged on the inner side of the piston cylinder 3, the top end of the piston rod 31 penetrates through the scale pan 33 and is in sliding connection with the cross rod of the fixing frame 6, a plurality of standard weights 34 are sleeved on the outer wall of the piston rod 31, the piston 32 is installed at the bottom end of the piston rod 31, the top end of each one-way threaded rod 71 penetrates through the fixing frame 6 and extends to the outer side of the fixing frame 6 to be provided with a rocking handle 77, the bottom end of each one-way threaded rod 71 is rotatably connected with the fixing frame 6 through a ball bearing, the piston rod 31 is stabilized through the fixing frame 6, the piston rod 31 can be stressed and balanced without rotating the standard weights 34, the use is convenient, the possibility of breaking the piston rod 31 is reduced, the supporting plate 76 is positioned below the bottommost standard weight 34 before use, the standard weights 34 are supported through the supporting plate 76, when the, the connecting rod 75 drives the supporting plate 76 to rotate, the angle of the supporting plate 76 is adjusted, so that the standard weights 34 can move downwards, the proper standard weights 34 are moved downwards into the weight tray 33, the rocking handle 77 is rotated, the one-way threaded rod 71 is driven to rotate through the rocking handle 77, the moving seat 72 is driven to move through the rotating one-way threaded rod 71, the height of the supporting plate 76 is further adjusted, the rest standard weights 34 are stably supported through the supporting plate 76, a user does not need to move the weights back and forth, the standard weights 34 are more convenient to assemble and disassemble, time and labor are saved, the standard weights 34 do not need to be stored in other places, the space is saved, the leveling supporting feet 9 are vertically arranged at four top corners of the bottom of the base 1 one by one, the damping wear-resistant pad 91 is arranged at the bottom of each leveling supporting foot 9, the base 1 is stabilized, while reducing the possibility of damage to the levelling support feet 9.
In the embodiment, referring to fig. 1 and 2, an oil cup 2 is installed at the front end of a piston cylinder 3, a standard pressure gauge 4 and a pressure gauge 5 to be calibrated are installed on one side of the piston cylinder 3 and one side of the oil cup 2, respectively, a main oil gallery 112 is installed on the inner side of a base 1, one end of the main oil gallery 112 is connected with a pressure generating device 11, four auxiliary oil galleries 113 are installed at one end of the main oil gallery 112 away from the pressure generating device 11, one ends of the auxiliary oil galleries 113 are connected with the piston cylinder 3, the oil cup 2, the standard pressure gauge 4 and the pressure gauge 5 to be calibrated respectively, a rocker 111 is installed at a piston end of the pressure generating device 11 extending through the base 1 to the outer side of the piston end, a shut-off valve 8 is installed on the auxiliary oil gallery 113 where the piston cylinder 3, the standard pressure gauge 4 and the pressure gauge 5 to be calibrated are located, a, the pressure to be measured is transmitted to the measuring piston through the working fluid, the working fluid generally adopts clean transformer oil or castor oil and the like, a proper standard weight 34 is moved into the weight tray 33, the lower end of the piston 32 bears the pressure generated by the rocker 111 extruding the working fluid, when the oil pressure acting on the lower end of the piston 32 is balanced with the pressure generated by the mass of the piston 32, the weight tray 33 and the standard weight 34, the piston 32 is supported and stabilized at a certain position, and the measurement of the pressure value is completed.
The utility model discloses a concrete operation as follows:
firstly, the piston end of the pressure generating device 11 is rotated through the rocker 111, the piston end is pushed to extrude working fluid, the pressure to be measured is transmitted to the measuring piston through the working fluid, the working fluid generally adopts clean transformer oil or castor oil and the like, when weights are added to the weight tray 33, the adjusting bolt 74 is loosened, the connecting rod 75 rotates in the mounting rack 73, the supporting plate 76 is driven to rotate through the connecting rod 75, the angle of the supporting plate 76 is adjusted, the standard weight 34 can move downwards, the proper standard weight 34 moves downwards into the weight tray 33, the rocking handle 77 is rotated, the one-way threaded rod 71 is driven to rotate through the rocking handle 77, the moving seat 72 is driven to move through the rotating one-way threaded rod 71, the height of the supporting plate 76 is adjusted, the rest standard weight 34 is stably supported through the supporting plate 76, the piston rod 31 is stabilized through the fixing frame 6, and the piston rod 31, at this time, the lower end of the piston 32 receives the pressure generated by the rocker 111 pressing the operating fluid, and when the oil pressure acting on the lower end of the piston 32 is balanced with the pressure generated by the mass of the piston 32, the weight tray 33 and the standard weight 34, the piston 32 is lifted and stabilized at a certain position, and the measurement of the pressure value is completed.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.
Claims (8)
1. The utility model provides a piston pressure gauge for instrument calibration, includes base (1), its characterized in that, piston cylinder (3) are installed at the top of base (1), mount (6) are installed in the outside of piston cylinder (3), fixed through hole (61) have all been seted up on the montant of mount (6), every the inboard of fixed through hole (61) all is equipped with supporting component (7), every supporting component (7) all include one-way threaded rod (71), every all the meshing is connected with on the outer wall of one-way threaded rod (71) and removes seat (72), every one side that removes seat (72) and is close to piston cylinder (3) all installs mounting bracket (73), every the inboard of mounting bracket (73) all is connected with connecting rod (75) through adjusting bolt (74), every one end that mounting bracket (73) were kept away from to connecting rod (75) all installs backup pad (76), and a weight tray (33) is installed above the piston cylinder (3), a piston rod (31) is arranged on the inner side of the piston cylinder (3), the top end of the piston rod (31) penetrates through the weight tray (33) and is in sliding connection with a cross rod of the fixing frame (6), and a plurality of standard weights (34) are sleeved on the outer wall of the piston rod (31).
2. The piston type pressure gauge for instrument calibration according to claim 1, wherein an oil cup (2) is installed at the front end of the piston cylinder (3), a standard pressure gauge (4) and a pressure gauge (5) to be calibrated are installed on one side of the piston cylinder (3) and one side of the oil cup (2) respectively, a main oil gallery (112) is arranged on the inner side of the base (1), one end of the main oil gallery (112) is connected with a pressure generating device (11), four auxiliary oil galleries (113) are arranged at one end of the main oil gallery (112) far away from the pressure generating device (11), and one ends of the auxiliary oil galleries (113) are connected with the piston cylinder (3), the oil cup (2), the standard pressure gauge (4) and the pressure gauge (5) to be calibrated respectively.
3. A gauge-calibrating piston manometer according to claim 2, characterized in that the piston end of the pressure generating means (11) extends through the base (1) to the outside of which a rocker (111) is mounted.
4. The piston type pressure gauge for instrument calibration according to claim 3, wherein the piston cylinder (3), the standard pressure gauge (4) and the auxiliary oil channel (113) where the pressure gauge (5) to be calibrated is located are all provided with a cut-off valve (8).
5. The piston type pressure gauge for instrument calibration according to claim 1, wherein leveling support legs (9) are vertically installed at four top corners of the bottom of the base (1) one by one, and a shock-absorbing wear-resistant pad (91) is installed at the bottom of each leveling support leg (9).
6. A gauge-calibrating piston manometer according to claim 1, characterized in that the bottom end of the piston rod (31) is fitted with a piston (32).
7. The piston-type pressure gauge for instrument calibration according to claim 1, wherein the top end of each one-way threaded rod (71) extends through the fixing frame (6) to the outside of which a rocking handle (77) is installed, and the bottom end of each one-way threaded rod (71) is rotatably connected with the fixing frame (6) through a ball bearing.
8. A piston-type pressure gauge for calibrating instruments according to claim 1, characterized in that said fixed frame (6) and said mounting frame (73) are of U-shaped configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022182319.4U CN212988690U (en) | 2020-09-28 | 2020-09-28 | Piston pressure gauge for instrument calibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022182319.4U CN212988690U (en) | 2020-09-28 | 2020-09-28 | Piston pressure gauge for instrument calibration |
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| Publication Number | Publication Date |
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| CN212988690U true CN212988690U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022182319.4U Active CN212988690U (en) | 2020-09-28 | 2020-09-28 | Piston pressure gauge for instrument calibration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923626A (en) * | 2022-01-06 | 2022-08-19 | 杭州石林自动化工程有限公司 | Positive and negative pressure full-automatic piston manometer and use method |
-
2020
- 2020-09-28 CN CN202022182319.4U patent/CN212988690U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923626A (en) * | 2022-01-06 | 2022-08-19 | 杭州石林自动化工程有限公司 | Positive and negative pressure full-automatic piston manometer and use method |
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