CN207145610U - Sealing gasket of pressure meter piece changes instrument - Google Patents

Sealing gasket of pressure meter piece changes instrument Download PDF

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Publication number
CN207145610U
CN207145610U CN201721055065.1U CN201721055065U CN207145610U CN 207145610 U CN207145610 U CN 207145610U CN 201721055065 U CN201721055065 U CN 201721055065U CN 207145610 U CN207145610 U CN 207145610U
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China
Prior art keywords
gland
annular groove
screw rod
screwed hole
gasket seal
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CN201721055065.1U
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Chinese (zh)
Inventor
刘守朝
吐依洪江
周国英
贺英
徐�明
李鼎
周永涛
孙柏林
董双
王玉杰
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China Petroleum and Chemical Corp
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China Petroleum and Chemical Corp
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Priority to CN201721055065.1U priority Critical patent/CN207145610U/en
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Publication of CN207145610U publication Critical patent/CN207145610U/en
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Abstract

It the utility model is related to and take gasket seal engineering device technique field, be that a kind of sealing gasket of pressure meter piece changes instrument;It includes gland, screw rod, eccentric gib head and bolt;Gland lower surface is provided with first annular groove, and gland upper surface is provided with the first screwed hole that is coaxial with first annular groove and communicating, and screw rod is by the first screwed hole Matching installation on gland.The utility model reasonable and compact in structure, it is easy to use, it through the central through hole of gasket seal and catches on pad bottom by hook tabs, rotary gland is bonded with cock upper surface, gland and cock are fixed by bolt, screw rod is screwed out upwards, hook tabs drives gasket seal to move up, gasket seal is easily taken out, the requirement for quickly removing gasket seal can be reached, and can ensures that the screw thread in cock on the 3rd screwed hole is not damaged, reduce cock consumption, reduce cost, it can be widely applied to during Daily Round Check change failure pressure table pad, clear up the operating modes such as pressure gauge pad bottom booty.

Description

Sealing gasket of pressure meter piece changes instrument
Technical field
It the utility model is related to and take gasket seal engineering device technique field, be that a kind of sealing gasket of pressure meter piece changes instrument.
Background technology
Pressure gauge is widely used in oil field, and Xinjiang region winter temperature is low, and oil field christmas tree pressure gauge is easy to occur Frozen block, pressure gauge is typically installed on herringbone cock and is connected with christmas tree.Because ordinarily manometer is end face seal, need When resetting pressure gauge, it is necessary to the sealing of pad is evaluated, the pad needs to can not meet seal request Change in time, to ensure that pressure gauge is connected firmly, without leakage under high-pressure situations.Generally change at present using with yi word pattern Cone, the iron wire with hook take out pad, because gasket seal is there occurs certain deformation during pressure gauge is installed, in cock Screw thread, which produces, to be brought into close contact, it is necessary to which pad could be taken out by taking very big strength, and be easy to damage cock internal thread.
The content of the invention
The utility model provides a kind of sealing gasket of pressure meter piece and changes instrument, overcomes the deficiency of above-mentioned prior art, It can effectively solve to take gasket seal process cumbersome, easy damaged cock internal thread, cause thread failure, the problem of cost increase.
The technical solution of the utility model is realized by following measures:A kind of sealing gasket of pressure meter piece changes work Tool, including gland, screw rod, eccentric gib head and bolt;Gland lower surface is provided with first annular groove, and gland upper surface is provided with The first screwed hole that is coaxial with first annular groove and communicating, screw rod by the first screwed hole Matching installation on gland, screw rod Upper surface is higher than gland upper surface, and screw rod lower surface is fixed with the eccentric gib head that diameter is less than screw diameter, under eccentric gib head End face is provided with the hook tabs of radially outside extension;At least one second screwed hole is radially provided with the side wall of first annular groove, Each equal Matching installation of second screwed hole has a bolt.
Here is the further optimization and/or improvements to above-mentioned utility model technical scheme:
Above-mentioned screw rod upper surface can be fixed with wrench, and wrench end face is in orthohexagonal.
The catercorner length of the end face of above-mentioned wrench orthohexagonal can be more than outer screw diameter.
The second annular groove can be coaxially provided with the upper surface of above-mentioned first annular groove, the diameter of the second annular groove is small In the diameter of first annular groove, the second annular groove communicates with the first screwed hole.
Above-mentioned first annular groove can circumferentially be uniformly provided with two the second screwed holes.
The utility model reasonable and compact in structure, easy to use, it passes through the central through hole of gasket seal simultaneously by hook tabs Gasket seal bottom is caught on, and rotary gland is bonded with cock upper surface, gland and cock is fixed by bolt, upwards rotation Go out screw rod, hook tabs drives gasket seal to move up, and gasket seal is easily taken out, and can reach and quickly remove wanting for gasket seal Ask, and can ensures that the screw thread in cock on the 3rd screwed hole is not damaged, and reduces cock consumption, reduces cost, can extensive use The operating modes such as failure pressure table pad, cleaning pressure gauge pad bottom booty are changed during Daily Round Check.
Brief description of the drawings
Accompanying drawing 1 is the main view cross section structure diagram of the best embodiment of the utility model.
Coding in accompanying drawing is respectively:1 is gland, and 2 be screw rod, and 3 be eccentric gib head, and 4 be bolt, and 5 be hook tabs, 6 For wrench, 7 be the second annular groove, and 8 be cock, and 9 be the 3rd screwed hole, and 10 be gasket seal, and through hole centered on 11,12 be bottom Portion's taper hole.
Embodiment
The utility model is not limited by following embodiments, can according to the technical solution of the utility model and actual conditions come Determine specific embodiment.
In the utility model, for the ease of description, the description of the relative position relation of each part is according to specification The Butut mode of accompanying drawing 1 is described, such as:The position relationship of upper and lower, left and right etc. is the Butut according to Figure of description Direction determines.
The utility model is further described with reference to embodiment and accompanying drawing:
As shown in Figure 1, the sealing gasket of pressure meter piece, which changes instrument, includes gland 1, screw rod 2, eccentric gib head 3 and positioning spiral shell Bolt 4;The lower surface of gland 1 is provided with first annular groove, the upper surface of gland 1 be provided with it is coaxial with first annular groove and communicate first Screwed hole, for screw rod 2 by the first screwed hole Matching installation on gland 1, the upper surface of screw rod 2 is higher than the upper surface of gland 1, screw rod 2 Lower surface is fixed with the eccentric gib head 3 that diameter is less than the diameter of screw rod 2, and the lower surface of eccentric gib head 3 is provided with radially outside and extended Hook tabs 5;At least one second screwed hole is radially provided with the side wall of first annular groove, each second screwed hole matches peace Equipped with a bolt 4.
There is the 3rd screwed hole 9 for installing pressure gauge on cock 8, the bottom that processing is formed is arranged at the bottom of the 3rd screwed hole 9 Taper hole 12, gasket seal 10 are fixed on the bottom of the 3rd screwed hole 9, there is central through hole 11 in gasket seal 10;First annular groove Internal diameter is slightly larger than the external diameter of cock 8, and first annular groove can match suit with cock 8;Eccentric gib head 3 can be from gasket seal 10 Heart through hole 11 passes through, and the hook tabs 5 of the eccentric lower end of gib head 3 extends to the outside of central through hole 11 and can hook the lower end of gasket seal 10 Face.When gasket seal is there occurs certain deformation, produces to be brought into close contact with the internal thread of cock 8 and be not easily taken out, unscrew positioning spiral shell first Bolt 4 to suitable position, screw rod 2 turns clockwise into gland 1;Gland 1, screw rod 2 and eccentric gib head 3 are tilted, make bias Eave tile and its lower end hook tabs 5 make hook tabs 5 be located at bottom taper hole 12 and caught on close slowly by the central through hole 11 of gasket seal 10 The bottom of gasket 10;Then righting gland 1, screw rod 2 and eccentric gib head 3, gland 1 is turned clockwise with hand, until the first ring Connected in star is fully bonded with the upper surface of cock 8, tightens bolt 4, rotates counterclockwise screw rod 2;At this time gland 1 by fixation, It can not rotate;With the rotation of screw rod 2, eccentric gib head 3 provides gasket seal 10 upward lifting force;Can slowly, smoothly Gasket seal 10 is taken out from the bottom of the 3rd screwed hole 9;Finally unscrew bolt 4, by gland 1, screw rod 2, eccentric gib head 3 Taken down together from cock 8 with gasket seal 10.Screw rod 2 and eccentric gib head 3 be not coaxial in design, both can guarantee that eccentric hook head 3 smoothly enter the central through hole 11 of gasket seal 10, and and can ensures screw rod 2 in rotary course, and eccentric gib head 3 is uniformly to sealing Pad 10 effectively applies lifting force, ensures that the internal thread of cock 8 is not damaged.The utility model is simple in construction, and easy processing makes, and makes With simplicity, the requirement for quickly removing gasket seal 10 can be reached, and can ensures screw thread in cock 8 on the 3rd screwed hole 9 not It is damaged, reduces cock 8 and consume, reduce cost, can be widely applied to during Daily Round Check to change failure pressure table pad, clear Manage the operating modes such as pressure gauge pad bottom booty.
The above-mentioned replacing instrument of gasket seal 10 can be made further optimization and/or improvements according to being actually needed:
As shown in Figure 1, the upper surface of screw rod 2 is fixed with wrench 6, and the end face of wrench 6 is in orthohexagonal.So turning counterclockwise When dynamic screw rod 2, lift-off seal pad 10, wrench 6 can be exerted a force by spanner, avoid the occurrence of gasket seal 10 and deform serious, people Hand reverses the situation of motionless screw rod 2.
As shown in Figure 1, the catercorner length of the end face of the orthohexagonal of wrench 6 is more than the external diameter of screw rod 2.
As shown in Figure 1, the second annular groove 7, the second annular groove 7 are coaxially provided with the upper surface of first annular groove Diameter be less than the diameter of first annular groove, the second annular groove 7 communicates with the first screwed hole.So sent out in gasket seal 10 During raw gross distortion failure, only by gasket seal 10 from the top that the 3rd screwed hole 9 is got in the bottom of the 3rd screwed hole 9 be not It is enough, it is necessary to it is taken out out of the 3rd screwed hole 9 completely, passes through the setting of the second annular groove 7, you can convenient to complete above-mentioned behaviour Make.
As shown in Figure 1, first annular groove is circumferentially uniformly provided with two the second screwed holes.So when gland 1 is fixed When on cock 8, stress evenly, increases its service life.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal implementation Effect, can be according to the non-essential technical characteristic of increase and decrease be actually needed, to meet the needs of different situations.

Claims (6)

1. a kind of sealing gasket of pressure meter piece changes instrument, it is characterised in that including gland, screw rod, eccentric gib head and bolt; Gland lower surface is provided with first annular groove, and gland upper surface is provided with the first screw thread that is coaxial with first annular groove and communicating Hole, screw rod is by the first screwed hole Matching installation on gland, and screw rod upper surface is higher than gland upper surface, and screw rod lower surface is fixed There is the eccentric gib head that diameter is less than screw diameter, the lower surface of eccentric gib head is provided with the hook tabs of radially outside extension;First ring At least one second screwed hole is radially provided with the side wall of connected in star, each equal Matching installation of second screwed hole has a positioning spiral shell Bolt.
2. sealing gasket of pressure meter piece according to claim 1 changes instrument, it is characterised in that screw rod upper surface is fixed with plate Head, wrench end face are in orthohexagonal.
3. sealing gasket of pressure meter piece according to claim 2 changes instrument, it is characterised in that the end face of wrench orthohexagonal Catercorner length be more than outer screw diameter.
4. the sealing gasket of pressure meter piece according to claim 1 or 2 or 3 changes instrument, it is characterised in that first annular groove Upper surface on be coaxially provided with the second annular groove, the diameter of the second annular groove is less than the diameter of first annular groove, second Annular groove communicates with the first screwed hole.
5. the sealing gasket of pressure meter piece according to claim 1 or 2 or 3 changes instrument, it is characterised in that first annular groove Circumferentially it is uniformly provided with two the second screwed holes.
6. sealing gasket of pressure meter piece according to claim 4 changes instrument, it is characterised in that first annular groove is circumferentially It is uniformly provided with two the second screwed holes.
CN201721055065.1U 2017-08-22 2017-08-22 Sealing gasket of pressure meter piece changes instrument Active CN207145610U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721055065.1U CN207145610U (en) 2017-08-22 2017-08-22 Sealing gasket of pressure meter piece changes instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721055065.1U CN207145610U (en) 2017-08-22 2017-08-22 Sealing gasket of pressure meter piece changes instrument

Publications (1)

Publication Number Publication Date
CN207145610U true CN207145610U (en) 2018-03-27

Family

ID=61668790

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721055065.1U Active CN207145610U (en) 2017-08-22 2017-08-22 Sealing gasket of pressure meter piece changes instrument

Country Status (1)

Country Link
CN (1) CN207145610U (en)

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