CN112050973A - Sealed shock-proof spinning pressure gauge - Google Patents

Sealed shock-proof spinning pressure gauge Download PDF

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Publication number
CN112050973A
CN112050973A CN202010935645.XA CN202010935645A CN112050973A CN 112050973 A CN112050973 A CN 112050973A CN 202010935645 A CN202010935645 A CN 202010935645A CN 112050973 A CN112050973 A CN 112050973A
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CN
China
Prior art keywords
pressure gauge
spinning
shock
sealed
sealing
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Granted
Application number
CN202010935645.XA
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Chinese (zh)
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CN112050973B (en
Inventor
马玉辉
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Anhui Ruierte Instrument Technology Co ltd
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Anhui Ruierte Instrument Technology Co ltd
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Priority to CN202010935645.XA priority Critical patent/CN112050973B/en
Publication of CN112050973A publication Critical patent/CN112050973A/en
Application granted granted Critical
Publication of CN112050973B publication Critical patent/CN112050973B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • B08B1/143

Abstract

The invention relates to the technical field of pressure meters, in particular to a sealed shock-proof spinning pressure meter which comprises a spinning pressure meter main body arranged on an external fixed pipe, wherein a first annular groove is formed in a pipe body of the spinning pressure meter main body, a second annular groove is formed in the fixed pipe, a sealing device is arranged on the spinning pressure meter main body and comprises a first sealing column arranged on the pipe body of the spinning pressure meter main body and a second sealing column arranged on the fixed pipe, a shock-proof device is further arranged on the spinning pressure meter main body, a protection device is further arranged on the spinning pressure meter main body, heat-insulating reflective films are arranged on the surface of a protection cover and the surface of a baffle, and a dust cleaning device is further arranged on the spinning pressure meter main body. The invention has better sealing and shock-proof effects, and is convenient for cleaning dust on the surface, thereby bringing convenience to users.

Description

Sealed shock-proof spinning pressure gauge
Technical Field
The invention relates to the technical field of pressure gauges, in particular to a sealed shock-proof spinning pressure gauge.
Background
Spinning manometer is that the instrument that uses elastic element as the sensing element, measurement and instruction are higher than ambient pressure, and at present, the kind of manometer in the market is more, but most spinning manometer all do not have better sealed effect, when using, can shorten its life, bring certain inconvenience for the user.
Disclosure of Invention
The invention aims to provide a sealed vibration-proof spinning pressure gauge to solve the defects in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a sealed shock-proof spinning manometer, is including setting up the spinning manometer main part on external fixed pipe, be provided with first ring channel on the body of spinning manometer main part, be provided with the second ring channel on the fixed pipe.
Preferably, the spinning pressure gauge main body is provided with a sealing device, the sealing device comprises a first sealing column arranged on the tube body of the spinning pressure gauge main body and a second sealing column arranged on the fixed tube, a third annular groove communicated with the outside is arranged in the first sealing column, a first through hole communicated with the outside is arranged on the bottom wall of the third annular groove, a first sealing gasket is arranged on the top wall of the first through hole and is abutted against the bottom wall of the first annular groove, a fourth annular groove communicated with the outside is arranged in the second sealing column, a second through hole communicated with the outside is arranged on the top wall of the fourth annular groove, the sealing structure is characterized in that a second sealing gasket is arranged on the bottom wall of the second through hole and abuts against the top wall of the second annular groove, and the first sealing column and the second sealing column are fixedly connected at the end parts close to each other.
Through adopting above-mentioned technical scheme, can guarantee to have better leakproofness between external fixed pipe and the spinning manometer main part.
Preferably, the end parts, close to each other, of the first sealing column and the second sealing column are integrally formed with fixed disks, the side surfaces, close to each other, of the two fixed disks are respectively provided with an annular mounting groove, a sealing ring is arranged in each annular mounting groove, and the two sealing rings are in interference fit.
Through adopting above-mentioned technical scheme, guarantee that the connection position of first sealed post and second sealed post has better leakproofness.
Preferably, the spinning pressure gauge main body is further provided with a shock-proof device, the shock-proof device comprises a fixed support integrally formed on a pipe body of the spinning pressure gauge main body, a plurality of annular positioning grooves which are arranged at equal intervals are formed in the annular side face of the fixed support, a rectangular rod is rotatably connected in each positioning groove, and the tail end, far away from the fixed support, of each rectangular rod is rotatably connected with a fixed bottom plate through a rotating shaft.
Through adopting above-mentioned technical scheme, guarantee that it is more firm to spinning pressure gauge main part is fixed, also increased the area of contact that spinning pressure gauge main part was fixed on external object simultaneously, make spinning pressure gauge main part have better shock-resistant effect.
Preferably, the spinning pressure gauge main body is further provided with a protection device, and the protection device comprises a protection cover sleeved on the spinning pressure gauge main body.
Through adopting above-mentioned technical scheme, can protect spinning manometer main part inside, avoid it directly to expose outside and pile up dust or damage.
Preferably, the front side surface of the top of the protection cover is integrally formed with a baffle plate, the bottom surface of the protection cover is integrally formed with a snap ring, a clamping groove communicated with the outside is formed in the snap ring, a pipe body on the spinning pressure gauge main body is located in the clamping groove, and the snap ring is fixedly installed on the pipe body on the spinning pressure gauge main body through a plurality of fastening screws.
Through adopting above-mentioned technical scheme, conveniently install and dismantle the operation to the safety cover.
Preferably, the surface of the protective cover and the surface of the baffle are both provided with heat-insulating reflective films.
Through adopting above-mentioned technical scheme, make the safety cover have certain thermal-insulated effect.
Preferably, the spinning pressure gauge main body is further provided with a dust cleaning device, the dust cleaning device comprises a convex column arranged at the center of the front side face of the spinning pressure gauge main body, a sleeve is rotatably connected to the convex column, a rubber plate is arranged on the sleeve, a handle is arranged on the front side face of the rubber plate, and a wiping cotton cloth is arranged on the rear side face of the rubber plate.
Through adopting above-mentioned technical scheme, in time utilize when facilitating the use to clean the cotton and erase the dust on the spinning manometer main part leading flank, it is more convenient to make and carry out the reading.
Preferably, a plurality of limiting blocks are arranged on a front side cylinder of the convex column at equal intervals in a ring shape, a shaft hole communicated with the outside is formed in the sleeve, the convex column penetrates through the shaft hole, a groove is formed in the position, opposite to the limiting blocks, of the hole wall of the shaft hole, and the limiting blocks penetrate through the grooves.
Through adopting above-mentioned technical scheme, conveniently install and dismantle the operation to the sleeve, and also guaranteed that the sleeve can not drop from the projection easily.
Preferably, the sum of the thickness of the sleeve and the thickness of the limiting block is smaller than the length of the convex column.
Through adopting above-mentioned technical scheme, guarantee that the sleeve can be stable be in on the part projection cylinder of stopper rear side, make the sleeve more smooth when rotating.
Compared with the prior art, the invention has the beneficial effects that:
1. the rotary pressure gauge is provided with the sealing device, so that a better sealing effect can be achieved between the main body of the rotary pressure gauge and the fixed pipe when the rotary pressure gauge is used, the sealing performance of the rotary pressure gauge is improved, the rotary pressure gauge is convenient to use, and the problems that most rotary pressure gauges do not have a better sealing effect, the service life of the rotary pressure gauge is shortened when the rotary pressure gauge is used, and certain inconvenience is brought to a user are solved.
2. According to the invention, the spinning pressure gauge main body can be stably supported through the arranged shock-proof device, and meanwhile, the contact area of the spinning pressure gauge main body fixed on an external object is increased, so that the structure of the spinning pressure gauge main body is firmer, the shock-proof effect of the spinning pressure gauge main body is improved, and the spinning pressure gauge main body is convenient to use.
3. According to the spinning pressure gauge, the protection device is arranged, the spinning pressure gauge main body can be protected inside by the protection cover, the service life of the spinning pressure gauge main body is prolonged, and convenience is brought to a user.
4. According to the dust cleaning device, when the spinning pressure gauge is used, after more dust is accumulated on the surface of the spinning pressure gauge main body, the dust on the surface can be cleaned by using the wiping cotton cloth, and the spinning pressure gauge is convenient to use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic illustration of an explosive structure according to the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view taken at B of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic view of an exploded structure of the sealing device of the present invention;
FIG. 6 is a cross-sectional view of a first sealing post of the present invention;
FIG. 7 is a cross-sectional view of a second sealing post of the present invention;
FIG. 8 is a schematic view of an exploded structure of the shock absorber of the present invention;
fig. 9 is a schematic diagram of an explosive structure of the protection device of the present invention.
The meaning of the individual reference symbols in the figures is:
1. spinning the pressure gauge main body; 10. a first annular groove; 11. a fixed tube; 111. a second annular groove;
2. a sealing device; 20. a first seal post; 201. a third annular groove; 202. a first through hole; 203. a first gasket; 21. a second seal post; 211. a fourth annular groove; 212. a second through hole; 213. a second gasket; 22. fixing the disc; 221. an annular mounting groove; 23. a seal ring;
3. a shock-resistant device; 30. a fixed support; 301. positioning a groove; 31. a rectangular bar; 32. fixing the bottom plate;
4. a protection device; 40. a protective cover; 41. a baffle plate; 42. a heat-insulating reflective film; 43. a snap ring; 44. a card slot;
5. a dust cleaning device; 50. a convex column; 501. a limiting block; 51. a sleeve; 511. a shaft hole; 512. a groove; 52. a rubber plate; 53. wiping cotton cloth; 54. a handle.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 9, the present invention provides a technical solution:
a sealed shock-proof spinning pressure gauge comprises a spinning pressure gauge main body 1 arranged on an external fixed pipe 11, a first annular groove 10 is arranged on a pipe body of the spinning pressure gauge main body 1, a second annular groove 111 is arranged on the fixed pipe 11, a sealing device 2 is arranged on the spinning pressure gauge main body 1, the sealing device 2 comprises a first sealing column 20 arranged on the pipe body of the spinning pressure gauge main body 1 and a second sealing column 21 arranged on the fixed pipe 11, a third annular groove 201 communicated with the outside is arranged in the first sealing column 20, a first through hole 202 communicated with the outside is arranged on the bottom wall of the third annular groove 201, a first sealing gasket 203 is tightly adhered on the top wall of the first through hole 202, the first sealing gasket 203 is abutted against the bottom wall of the first annular groove 10, a fourth annular groove 211 communicated with the outside is arranged in the second sealing column 21, a second through hole 212 communicated with the outside is arranged on the top wall of the fourth annular groove 211, a second sealing gasket 213 is tightly bonded on the bottom wall of the second through hole 212, the second sealing gasket 213 abuts against the top wall of the second annular groove 111, the end parts of the first sealing column 20 and the second sealing column 21, which are close to each other, are fixedly connected, and good sealing performance between the external fixed pipe 11 and the spinning pressure gauge body 1 can be ensured through the arranged first sealing gasket 203 and the second sealing gasket 213; specifically, the equal integrated into one piece of tip that first sealed post 20 and second sealed post 21 are close to each other has fixed disk 22, the side central point department that puts that two fixed disks 22 are close to each other all is provided with annular mounting groove 221, the embedded sealing washer 23 that is equipped with of annular mounting groove 221, interference fit between two sealing washers 23, the connection position of guaranteeing first sealed post 20 and second sealed post 21 has better leakproofness, thereby improve the leakproofness between first sealed post 20 and the second sealed post 21 on the whole.
In the embodiment, the spinning pressure gauge main body 1 is further provided with a vibration resisting device 3, the vibration resisting device 3 comprises a fixed support 30 integrally formed on a pipe body of the spinning pressure gauge main body 1, the annular side surface of the fixed support 30 is provided with a plurality of positioning grooves 301 which are annularly arranged at equal intervals, rectangular rods 31 are rotatably connected in the positioning grooves 301, the rectangular rods 31 are provided with rotating shafts, the groove walls of the positioning grooves 301 are provided with shaft holes, the tail ends of the rotating shafts on the rectangular rods 31 are positioned in the shaft holes in the groove walls of the positioning grooves 301 and can rotate in the shaft holes, and the rectangular rods 31 can be ensured to rotate freely; the end, far away from the fixed support 30, of the rectangular rod 31 is rotatably connected with a fixed bottom plate 32 through a rotating shaft, a groove is formed in a plate body, far away from the fixed support 30, of the end of the rectangular rod 31, a corresponding shaft hole is formed in the groove wall of the groove, a corresponding rotating shaft is arranged on the fixed bottom plate 32, the end of the rotating shaft on the fixed bottom plate 32 is located in the corresponding shaft hole and can rotate in the shaft hole, and the fixed bottom plate 32 can be guaranteed to rotate freely; be provided with corresponding screw hole in the PMKD 32, threaded connection has fastening screw in the screw hole in the PMKD 32, and is fixed more firm to spinning pressure gauge main part 1 through the shock absorber 3 that sets up, and a plurality of PMKD 32 are fixed on external object simultaneously, have also increased the area of contact that spinning pressure gauge main part 1 was fixed on external object, make spinning pressure gauge main part 1 have better shock-resistant effect.
Specifically, the spinning pressure gauge main body 1 is further provided with a protection device 4, the protection device 4 comprises a protection cover 40 sleeved on the spinning pressure gauge main body 1, and the spinning pressure gauge main body 1 can be protected inside through the protection cover 40, so that the spinning pressure gauge main body 1 is prevented from being directly exposed to the outside to accumulate dust or be damaged; the integrated into one piece has baffle 41 on the top leading flank of safety cover 40, and integrated into one piece has snap ring 43 on the bottom surface of safety cover 40, is provided with the draw-in groove 44 that is linked together with the external world in the snap ring 43, and the body on the spinning manometer main part 1 is located draw-in groove 44, and snap ring 43 is through a plurality of fastening screw fixed mounting on the body on the spinning manometer main part 1, conveniently installs and dismantle the operation to safety cover 40.
Further, the surface of the protection cover 40 and the surface of the baffle plate 41 are both tightly adhered with a heat insulation reflective film 42, and the protection cover 40 has a certain heat insulation effect through the arranged heat insulation reflective film 42, so that the heat insulation protective cover is convenient to use and brings convenience to users.
In addition, still be provided with dust cleaning device 5 on spinning manometer main part 1, dust cleaning device 5 includes integrated into one piece at spinning manometer main part 1 leading flank central point and puts projection 50 of department, projection 50 is the level form setting, it is connected with sleeve 51 to rotate on projection 50, integrated into one piece has rubber slab 52 on the sleeve 51, integrated into one piece has handle 54 on rubber slab 52's the leading flank, close bonding has the cleaning cotton 53 on rubber slab 52's the trailing flank, guarantee when using, through rotating handle 54, it rotates to drive rubber slab 52, realize in time utilizing to clean cotton 53 and erase the dust on spinning manometer main part 1 leading flank, it is more convenient to make and carry out the reading.
It is worth to be noted that, a plurality of limiting blocks 501 arranged in an annular and equidistant manner are integrally formed on the front side cylinder of the convex column 50, a shaft hole 511 communicated with the outside is arranged in the sleeve 51, the convex column 50 passes through the shaft hole 511, a groove 512 is arranged on the hole wall of the shaft hole 511, which is opposite to the limiting block 501, the limiting block 501 passes through the groove 512, the sleeve 51 is sleeved on the convex column 50, so that the sleeve 51 is convenient to mount and dismount, and the limiting block 501 is blocked at the front side of the convex column 50, so that the sleeve 51 is ensured not to easily fall off the convex column 50; the sum of the thickness of the sleeve 51 and the thickness of the limiting block 501 is smaller than the length of the convex column 50; guarantee sleeve 51 can be stable be in on the partial projection 50 cylinders of stopper 501 rear side, make sleeve 51 more smooth when rotating, can not receive stopper 501's the blockking.
When the sealed shock-proof spinning pressure gauge is used, after the spinning pressure gauge main body 1 is fixedly arranged on the external fixed pipe 11, the two fixed disks 22 are fixed by using fastening screws, the interference fit between the two sealing rings 23 is ensured, the fixed bottom plate 32 is fixedly arranged at a corresponding position on an external object by using the fastening screws, the protective cover 40 is sleeved on the spinning pressure gauge main body 1, a pipe body on the spinning pressure gauge main body 1 is ensured to be positioned in the clamping groove 44, meanwhile, the clamping ring 43 is fixedly arranged on the pipe body on the pressure gauge main body 1 by using the fastening screws, finally, the handle 54 can be rotated to drive the rubber plate 52 to rotate, dust on the front side surface of the spinning pressure gauge main body 1 is timely erased by using the wiping cotton cloth 53, the reading is more convenient and convenient to use, and the problem that most spinning pressure gauges do not have good sealing effect is solved, when in use, the service life of the utility model can be shortened, which brings inconvenience to users.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a sealed shock-proof spinning manometer, is including setting up spinning manometer main part (1) on external fixed pipe (11), its characterized in that: a first annular groove (10) is formed in the pipe body of the spinning pressure gauge main body (1), and a second annular groove (111) is formed in the fixing pipe (11).
2. The sealed, shock-resistant, pressure gauge of claim 1, wherein: the spinning pressure gauge is characterized in that a sealing device (2) is arranged on the spinning pressure gauge main body (1), the sealing device (2) comprises a first sealing column (20) arranged on a tube body of the spinning pressure gauge main body (1) and a second sealing column (21) arranged on a fixed tube (11), a third annular groove (201) communicated with the outside is arranged in the first sealing column (20), a first through hole (202) communicated with the outside is arranged on the bottom wall of the third annular groove (201), a first sealing gasket (203) is arranged on the top wall of the first through hole (202), the first sealing gasket (203) is abutted against the bottom wall of the first annular groove (10), a fourth annular groove (211) communicated with the outside is arranged in the second sealing column (21), and a second through hole (212) communicated with the outside is arranged on the top wall of the fourth annular groove (211), a second sealing gasket (213) is arranged on the bottom wall of the second through hole (212), the second sealing gasket (213) abuts against the top wall of the second annular groove (111), and the first sealing column (20) and the second sealing column (21) are fixedly connected at the end portions close to each other.
3. The sealed, shock-resistant, pressure gauge of claim 2, wherein: first sealed post (20) with the equal integrated into one piece of tip that second sealed post (21) are close to each other has fixed disk (22), two all be provided with annular mounting groove (221) on the side that fixed disk (22) are close to each other, be provided with sealing washer (23) in annular mounting groove (221), two interference fit between sealing washer (23).
4. The sealed, shock-resistant, pressure gauge of claim 1, wherein: still be provided with shock absorber (3) on spinning manometer main part (1), shock absorber (3) are including integrated into one piece fixing support (30) on spinning manometer main part (1) body, be provided with a plurality of constant head tanks (301) that are cyclic annular equidistant range on the annular side of fixing support (30), constant head tank (301) internal rotation is connected with rectangular rod (31), the end that fixing support (30) were kept away from in rectangular rod (31) is rotated through the pivot and is connected with PMKD (32).
5. The sealed, shock-resistant, pressure gauge of claim 1, wherein: still be provided with protection device (4) on spinning manometer main part (1), protection device (4) establish including the cover safety cover (40) on spinning manometer main part (1).
6. The sealed, shock-resistant, pressure gauge of claim 5, wherein: integrated into one piece has baffle (41) on the top leading flank of safety cover (40), integrated into one piece has snap ring (43) on the bottom surface of safety cover (40), be provided with draw-in groove (44) that are linked together with the external world in snap ring (43), body on spinning manometer main part (1) is located in draw-in groove (44), snap ring (43) are in through a plurality of fastening screw fixed mounting on the body on spinning manometer main part (1).
7. The sealed, shock-resistant, pressure gauge of claim 6, wherein: and heat-insulating reflective films (42) are arranged on the surface of the protective cover (40) and the surface of the baffle plate (41).
8. The sealed, shock-resistant, pressure gauge of claim 1, wherein: still be provided with dust cleaning device (5) on spinning manometer main part (1), dust cleaning device (5) are including setting up spinning manometer main part (1) leading flank central point puts projection (50) of department, it is connected with sleeve (51) to rotate on projection (50), be provided with rubber slab (52) on sleeve (51), be provided with handle (54) on the leading flank of rubber slab (52), be provided with on the trailing flank of rubber slab (52) and clean cotton (53).
9. The sealed, shock-resistant, pressure gauge of claim 8, wherein: be provided with a plurality of stopper (501) that are cyclic annular equidistant range on the front side cylinder of projection (50), be provided with shaft hole (511) that are linked together with the external world in sleeve (51), projection (50) pass shaft hole (511), just right on the pore wall of shaft hole (511) the position department of stopper (501) is provided with recess (512), stopper (501) pass recess (512).
10. The sealed, shock-resistant, pressure gauge of claim 9, wherein: the sum of the thickness of the sleeve (51) and the thickness of the limiting block (501) is smaller than the length of the convex column (50).
CN202010935645.XA 2020-09-08 2020-09-08 Sealed shock-proof spinning pressure gauge Active CN112050973B (en)

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CN202010935645.XA CN112050973B (en) 2020-09-08 2020-09-08 Sealed shock-proof spinning pressure gauge

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Application Number Priority Date Filing Date Title
CN202010935645.XA CN112050973B (en) 2020-09-08 2020-09-08 Sealed shock-proof spinning pressure gauge

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CN112050973A true CN112050973A (en) 2020-12-08
CN112050973B CN112050973B (en) 2021-09-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114554771A (en) * 2022-03-11 2022-05-27 重庆三峡学院 Stepping motor controller

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Publication number Priority date Publication date Assignee Title
CN201688941U (en) * 2010-05-26 2010-12-29 宇宙电路板设备(深圳)有限公司 Pressure gauge protective cover
CN109238558A (en) * 2018-11-27 2019-01-18 马鞍山市浩宇仪表有限公司 A kind of novel belt safeguard function air gauge
CN209100018U (en) * 2018-12-11 2019-07-12 刘美萍 A kind of pumping unit pressure gauge loss prevention component
CN209541983U (en) * 2019-03-21 2019-10-25 大连华泰臣科技服务有限公司 A kind of pressure gauge equipped with exterior protection structure
CN210108563U (en) * 2019-06-17 2020-02-21 祝洪武 Pressure gauge protection device
CN210856133U (en) * 2019-08-26 2020-06-26 新沂市浩源金融服务有限公司 Pressure gauge for methane tank

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201688941U (en) * 2010-05-26 2010-12-29 宇宙电路板设备(深圳)有限公司 Pressure gauge protective cover
CN109238558A (en) * 2018-11-27 2019-01-18 马鞍山市浩宇仪表有限公司 A kind of novel belt safeguard function air gauge
CN209100018U (en) * 2018-12-11 2019-07-12 刘美萍 A kind of pumping unit pressure gauge loss prevention component
CN209541983U (en) * 2019-03-21 2019-10-25 大连华泰臣科技服务有限公司 A kind of pressure gauge equipped with exterior protection structure
CN210108563U (en) * 2019-06-17 2020-02-21 祝洪武 Pressure gauge protection device
CN210856133U (en) * 2019-08-26 2020-06-26 新沂市浩源金融服务有限公司 Pressure gauge for methane tank

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114554771A (en) * 2022-03-11 2022-05-27 重庆三峡学院 Stepping motor controller
CN114554771B (en) * 2022-03-11 2023-05-26 重庆三峡学院 Stepping motor controller

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