CN2522847Y

CN2522847Y - Anti-bursting pressure gauge

Info

Publication number: CN2522847Y
Application number: CN 02215272
Authority: CN
Inventors: 侯明从
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-01-22
Filing date: 2002-01-22
Publication date: 2002-11-27
Anticipated expiration: 2012-01-22

Abstract

The utility model provides an anti-bursting pressure gauge and relates to a pressure gauge which mainly solves the technical problems like the security of use. The technical proposal of the pressure gauge is that a fixed seat is provided with a shaft lever; the shat lever body is penetrated and sleeved on a shaft lever hole of an upper convex wall and a lower convex wall of a drive group base; one end of a driven rod of the shaft lever is provided with a driving block and the other end is provided with a magnet; a drive group includes a base, a screw and a driven rod casing; the screw is fixedly locked on a screw hole of the base of the driven rod casing; a protection casing body is connected with the shaft lever body and is provided with a joint tube port. The utility model is suitable for various mechanical pressure gauges.

Description

The explosion-proof type pressure gauge

Affiliated technical field:

The utility model relates to a kind of pressure gauge with machinery and magnetic pressure photosensitive elements measuring fluid pressure, particularly a kind of pressure gauge by indication scale and holder combination.

Background technology:

At present, the general parts (such as being contained in inflammable methane gas) of carrying gas, liquid, be the generation that comes the early warning police circles with sensor commonly used usually on equipment, carry gas, fluid pressure, there is no other effect because the function of sensor is only only detected, when causing danger, its setting value that senses just can be sent warning function, especially at the police circles' point of causing danger, then sends spark immediately, even spread fast, danger is quite high.Therefore, get out of hand often when finding fire alarm, have little time fire fighting at all, the problem of life threatening property is quite serious, so carry the pressure situation of gas, liquid, is the problem that present parts device and user ignore fully and do not note.

Summary of the invention:

Technical problem to be solved in the utility model is, a kind of explosion-proof type pressure gauge is provided, and it can guarantee manometric safe in utilization.

The technical scheme that solves the problems of the technologies described above employing is that a counting is indicated scale, is provided with the pointer of scale and demonstration pressure number thereof on scale; One holder, inside is provided with slotted eye, goes into axostylus axostyle, spring, pad with appearance, and the slotted eye end is provided with the circular hole that the bead body of confession axostylus axostyle top belled body is inserted in.One axostylus axostyle is made up of belled body, locking body, the body of rod and operating bar; Wherein this belled body top is the bead body, be inserted in the circular hole of holder slotted eye end, and recessed groove and through hole is established in its bead body inside, and operating bar is arranged in through hole, but the operating bar top drives the space of piece upper and lower displacement in recessed groove; This locking body, central authorities establish hole; This body of rod top outer rim is established external thread, and central authorities establish the slotted eye that does not run through, and is equipped with operating bar and is located at the magnet of bottom; In addition, the body of rod be set on the upper and lower protruding wall of driving group pedestal, body of rod hole, the nut spiral shell is solid on body of rod external thread, the body of rod is fixed on the pedestal; This operating bar one end is established the drive piece, displacement up and down in the fixed block slotted eye, and end is magnet in addition, in the body of rod central authorities expert footpath of slotted eye; One driving group includes the screw rod and the start loop bar of protruding wall under pedestal and the pedestal; This pedestal wherein, upper and lower each forward projection upper and lower protruding wall is arranged, and establish belled body in the centre; This epirelief wall, central authorities are provided with the body of rod hole of being inserted in for the body of rod on it; The protruding wall of this time, central authorities are provided with the body of rod hole and the preceding two ends thereof of being inserted in for the body of rod and are provided with the circular hole that penetrates for screw rod on it; This belled body, central authorities are provided with body of rod hole and front end and establish and be made for loop bar hole that moving loop bar penetrates and the hole that penetrates for screw rod on it; This screw rod is that the circular hole that penetrates protruding wall under the pedestal also locks at the internal thread hole of start loop bar base; This start loop bar, bottom are equipped with for screw rod and are screwed into the base that rotation drives the screw of start loop bar upper and lower displacement simultaneously; This protects body, is divided into fixed the closing of the mutual spiral shell of forward and backward body two parts, and then the body of rod hypomere external thread bolt connection of internal thread hole and axostylus axostyle is established on the body top, and respectively be equipped with for the adapter mouth low, that High Temperature Gas liquid enters both sides, body bottom thereafter.

The beneficial effects of the utility model are to have the function that adjustable needed pressure is set; can make pressure gauge except that having basic function; has the early warning informing function; more use protection body locking driving group, prevent the driving group, and have the effect of adjustable settings pressure size in the danger of spark that happens occasionally above early warning police circles point; the user can set different pressure sensors respectively according to the difference of using parts gas, liquid; to promote sensing efficient, effect is informed in early warning comprehensively, and is safe.

Description of drawings:

Fig. 1 is that the utility model axle is surveyed synoptic diagram.

Fig. 2 is the utility model axonometric exploded view.

Fig. 3 is the utility model device combination cross-sectional schematic.

Fig. 4 is that the utility model magnet produces interactive synoptic diagram.

Embodiment:

Shown in Fig. 1,2,3, the explosion-proof type pressure gauge includes counting indication scale 1 and its rear end holder 2, and holder 2 internal sleeve are connected to axostylus axostyle 3 and connect and establish to driving group 4, and are enclosed within the protection body 5 that 4 outsides are organized in driving; Wherein

One counting indication scale 1 is the pointer 10 that is provided with scale and shows the pressure number on scale;

One holder 2, inside is provided with slotted eye 20, goes into axostylus axostyle 3, spring 34, pad 35 with appearance, and the circular hole 21 of slotted eye 20 ends supplies the bead body 300 of axostylus axostyle 3 top belled bodies 30 to be inserted in;

One axostylus axostyle 3 is made up of belled body 30, locking body 31, the body of rod 32 and operating bar 33; Wherein

These belled body 30 tops are bead body 300, be inserted in the circular hole 21 of holder 2 slotted eyes 20 ends, and recessed groove 301 and through hole 302 are established in its bead body 300 inside, wear and start the space that piece 330 can upper and lower displacement in recessed groove 301 with operating bar 33 tops for operating bar 33;

This locking body 31, central authorities establish hole 310;

This body of rod 32, the top outer rim is established external thread 320, and central authorities establish the slotted eye 321 that runs through at the end, can hold into operating bar 33 and are located at the magnet 331 of bottom; In addition, the body of rod 32 is set on the body of rod hole 410,420 that the upper and lower protruding

wall

41,42 of 4 pedestals is organized in driving, and solid on the body of rod 32 external threads 320 with nut 322 spiral shells, makes the body of rod 32 be fixed on the pedestal 40;

These operating bar 33 1 ends are established and are driven piece 330, displacement up and down in fixed block 2 slotted eyes 20, and end is magnet 331, conduct in the body of rod 32 central slotted eyes 321 in addition;

One driving group 4 is screw rod 43 and the start loop bars 44 that comprise

pedestal

40 and 40 times protruding walls 42 of pedestal; Wherein

This pedestal 40, upper and lower each forward projection upper and lower

protruding wall

41,42 is arranged, and establish belled body 43 in the centre;

This epirelief wall 41, central authorities are provided with the body of rod hole 410 of being inserted in for the body of rod 32 on it;

The protruding wall 42 of this time, central authorities are provided with the body of rod hole 420 and the preceding two ends thereof of being inserted in for the body of rod 32 and are provided with the circular hole 421 that penetrates for screw rod 43 on it;

This belled body 43, central authorities are provided with start loop bar hole 431, the hole 432 that body of rod hole 430 and front end are established on it, are made for moving loop bar 44, screw rod 433 penetrates;

This screw rod 433 is that the circular hole 421 that penetrates 40 times protruding walls 42 of pedestal also locks at the internal thread hole 441 of start loop bar 44 bases 440;

This start loop bar 44, bottom are equipped with the base 440 of screw 441, are screwed into rotation for screw rod 43 and drive 44 upper and lower displacements of start loop bar simultaneously;

This protects body 5, be divided into fixed the closing of the forward and backward body mutual spiral shell of 50,51 two parts, then internal thread hole 510 is established on body 51 tops, and the body of rod 32 hypomere external threads 320 of axostylus axostyle 3 are spirally connected, and respectively be equipped with for the adapter mouth 511,512 low, that High Temperature Gas liquid enters both sides, body 51 bottom thereafter;

By above-mentioned each member, make driving organize 4 pedestals, 40 left sides, the screw rod 433 that right two ends respectively wear is arranged in the base 440 of start loop bar 44, rotate by screw rod 43, drive start loop bar 44 upper and lower displacements be in the same way side by side simultaneously, when when moving up and down, produce interactive effect with the magnet 331 that is located at axostylus axostyle 3 central operating bars 33 bottoms, push away the drive piece 330 of axostylus axostyle 3 tops is moved up, and the pointer 10 that conducts on the counting indication scale 1 that is located at the top moves to police circles' point (as Fig. 4), inform immediately and be located at early warning police circles point place, and will express set warning lamp or close switching, prevent that the driving group from surpassing early warning police circles point and sending spark, reduces peril.

Claims

1, a kind of explosion-proof type pressure gauge includes counting indication scale (1) and its rear end holder (2), and holder (2) internal sleeve is connected to axostylus axostyle (3) and connects and establish to driving group (4), and the protection body (5) that is enclosed within driving group (4) outside, it is characterized in that:

One counting is indicated scale (1), is provided with the pointer (10) of scale and expression pressure number thereof on scale;

One holder (2), inside are provided with slotted eye (20), go into axostylus axostyle (3), spring (34), pad (35) with appearance, and slotted eye (20) end is provided with the circular hole (21) that the bead body (300) of confession axostylus axostyle (3) top belled body (30) is inserted in.

One axostylus axostyle (3) is made up of belled body (30), locking body (31), the body of rod (32) and operating bar (33); Wherein

This belled body (30) top is bead body (300), be inserted in the terminal circular hole (21) of holder (2) slotted eye (20), and recessed groove (301) and through hole (302) are established in its bead body (300) inside, operating bar (33) is arranged in through hole (302), and operating bar (33) top drives piece (330) but the space of upper and lower displacement in recessed groove (301);

This locking body (31), central authorities establish hole (310);

This body of rod (32), top outer rim are established external thread (320), and central authorities establish the slotted eye (321) that does not run through, and are equipped with operating bar (33) and are located at the magnet (331) of bottom; In addition, the body of rod (32) is set on body of rod hole (410), (420) of driving group (4) the upper and lower protruding wall of pedestal (41), (42), and nut (322) spiral shell is solid on the body of rod (32) external thread (320), and the body of rod (32) is fixed on the pedestal (40);

These operating bar (33) one ends are established and are driven piece (330), displacement up and down in fixed block (2) slotted eye (20), and end is magnet (331), conduct in the central slotted eye of the body of rod (32) (321) in addition;

One driving group (4) includes the screw rod (43) and the start loop bar (44) of protruding wall (42) under pedestal (40) and the pedestal (40); Wherein

This pedestal (40), upper and lower each forward projection upper and lower protruding wall (41), (42) are arranged, and establish belled body (43) in the centre;

This epirelief wall (41), central authorities are provided with the body of rod hole (410) of being inserted in for the body of rod (32) on it;

The protruding wall of this time (42), central authorities are provided with the body of rod hole (420) and the preceding two ends thereof of being inserted in for the body of rod (32) and are provided with the circular hole (421) that penetrates for screw rod (43) on it;

This belled body (43), central authorities are provided with body of rod hole (430) and front end and establish and be made for loop bar hole (431) that moving loop bar (44) penetrates and the hole (432) that penetrates for screw rod (433) on it;

This screw rod (433) is that the circular hole (421) that penetrates protruding wall (42) under the pedestal (40) also locks at the internal thread hole (441) of start loop bar (44) base (440);

This start loop bar (44), bottom are equipped with for screw rod (43) and are screwed into the base (440) that rotation drives the screw (441) of start loop bar (44) upper and lower displacement simultaneously;

This protects body (5); be divided into forward and backward body (50), fixed the closing of the mutual spiral shell of (51) two parts; then body (51) the top body of rod (32) the hypomere external thread (320) of establishing internal thread hole (510) and axostylus axostyle (3) is spirally connected, and respectively be equipped with for low, that High Temperature Gas liquid enters adapter (511), (512) body (51) both sides, bottom thereafter.