CN208847397U - Explosion-proof type pressure gauge - Google Patents
Explosion-proof type pressure gauge Download PDFInfo
- Publication number
- CN208847397U CN208847397U CN201821568435.6U CN201821568435U CN208847397U CN 208847397 U CN208847397 U CN 208847397U CN 201821568435 U CN201821568435 U CN 201821568435U CN 208847397 U CN208847397 U CN 208847397U
- Authority
- CN
- China
- Prior art keywords
- explosion
- pressure gauge
- circular casing
- transparent panel
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000009172 bursting Effects 0.000 claims abstract description 32
- 230000001681 protective effect Effects 0.000 claims description 26
- 230000006835 compression Effects 0.000 claims description 23
- 238000007906 compression Methods 0.000 claims description 23
- 238000004880 explosion Methods 0.000 abstract description 28
- 230000000694 effects Effects 0.000 abstract description 2
- 239000002360 explosive Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of explosion-proof type pressure gauges, belong to pressure gauge security fields, its key points of the technical solution are that including watch core, watch core includes rack and the needle pivot that is rotationally connected in rack, the explosion-proof shell made of explosion-proof lamp is externally connected in watch core, explosion-proof shell includes the circular casing being fixedly connected on outside watch core and the bursting diaphragm that is fixedly connected in circular casing, and circular casing surrounds watch core setting, and bursting diaphragm covers circular casing；Pointer through-hole is offered on bursting diaphragm, needle pivot is arranged across pointer through-hole, pointer through-hole one end, which is passed through, in needle pivot is fixedly connected with list index, transparent panel is connected with close to list index one end in circular casing, rear cover is connected in the circular casing other end, transparent panel and rear cover are covered each by the both ends of circular casing, solve the problems, such as that the transparent panel of pressure gauge occurs explosion time in pressure gauge and is easy to be broken through, reach and blocked the impact that pressure gauge explosion generates with explosion-proof shell, has increased the effect of user's safety.
Description
Technical field
The utility model relates to pressure gauge security fields, in particular to a kind of explosion-proof type pressure gauge.
Background technique
Pressure gauge is in high temperature or is easy to produce the place of open fire in use, may generate explosion inside pressure gauge, usually
Anti-explosion pressure gage is all that explosion-resistant enclosure is installed outside watchcase, and the explosive gas mixture that can bear enclosure interior causes once
Outside the blast pressure that explosion time generates, and it can effectively stop resulting thermal energy and smoothly propagate outward.
The prior art can refer to the Chinese utility model patent that Authorization Notice No. is CN207231708U, and it discloses one kind
Explosion-proof type pressure gauge, including pressure gauge ontology, the front surface of the pressure gauge ontology are provided with protective shell, the protective shell it is interior
The appearance face contact on surface and pressure gauge ontology, the front surface of the protective shell are fixedly connected with transparent panel, the pressure gauge sheet
The front surface of body is provided with connecting column, and the surface of the connecting column is arranged with transparent panel.
Since user will observe the degree of pressure gauge, so the front of pressure gauge necessarily uses the plate of transparent material,
But the plate explosion-proof capabilities of normally transparent material are all poor, explosion may be broken through when explosion inside pressure gauge
Transparent panel, if user is observing pressure gauge at this time, can most user cause more serious harm.
Utility model content
The purpose of the utility model is to provide a kind of explosion-proof type pressure gauges, block what pressure gauge explosion generated with explosion-proof shell
Impact increases user's safety.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of explosion-proof type pressure gauge, including watch core, watch core includes rack and the needle pivot that is rotationally connected in rack, in table
Core is externally connected with the explosion-proof shell made of explosion-proof lamp, and explosion-proof shell includes the circular casing being fixedly connected on outside watch core and be fixedly connected
In the bursting diaphragm in circular casing, circular casing surrounds watch core setting, and bursting diaphragm covers circular casing；It is logical that pointer is offered on bursting diaphragm
Hole, needle pivot are arranged across pointer through-hole, pass through pointer through-hole one end in needle pivot and are fixedly connected with list index, lean in circular casing
Nearly list index one end is connected with transparent panel, is connected with rear cover in the circular casing other end, transparent panel and rear cover are covered each by circular casing
Both ends.
By using above scheme, when explosion time occurs for pressure gauge, explosion-proof shell can stop rushing for pressure gauge explosion generation
It hits, bursting diaphragm can will separate inside transparent panel and pressure gauge, prevent pressure gauge explosion from having a direct impact to transparent panel, reduce
Pressure gauge explosion time is generated impact and guided to pressure gauge rear by the possibility that transparent panel is broken through, and is reduced to observe in user and be pressed
When power table, the possibility of the personal safety of pressure gauge explosion hazard user.
Preferably, being fixedly connected with protective shell in circular casing, protective shell surrounds watch core setting, refers in protective shell close to table
Needle one end offers preceding through slot, and needle pivot is arranged across preceding through slot.
By using above scheme, explosion time occurs inside pressure gauge, protective shell can play blocking explosion first and expand
Scattered effect first absorbs the impact that part explosion generates.
Preferably, rear cover is threadedly connected in circular casing, threaded hole is offered among rear cover, corresponds to screw thread in protective shell
Hole location offers rear through slot, and rear through slot is connected to threaded hole, hold-down bolt, hold-down bolt spiral shell are threaded on threaded hole
Line is connected in rear through slot.
Connect since rear cover needs to open when overhauling pressure gauge in single thread when used for a long time by using above scheme
It connects and is easy to separate rear cover with circular casing, so needing the relative positional relationship of hold-down bolt fixed rear cover and protective shell.
Outer relief hole is offered preferably, covering after, offers interior pressure release in the corresponding outer pressure release hole location of protective shell
Hole, interior relief hole and outer relief hole are interconnected.
By using above scheme, when pressure gauge internal pressure is excessive, extra gas can pass through inside pressure gauge
Interior relief hole and outer relief hole play the role of protecting pressure gauge to be discharged to outside pressure gauge.
Abutting slot is offered at transparent Board position preferably, corresponding in circular casing, transparent panel, which is connected to, to abut on slot, in ring
Shape shell corresponds to transparent panel and is threaded with compression ring on one side far from rear cover, and compression ring is connected on transparent panel.
By using above scheme, transparent panel can be pressed on circular casing by compression ring, facilitate installation, and compression ring
The leakproofness of transparent panel can also be increased.
Preferably, compression ring includes the inner ring being connected on transparent panel and is fixedly connected on inner ring far from transparent panel one side
Outer ring, outer ring are threadedly connected in circular casing, and multiple convex blocks are fixedly connected in inner ring, and each convex block is fixedly connected in outer
On ring.
By using above scheme, convex block can increase the bonding strength of inner ring and outer ring, while also rotate to user
Compression ring is installed convenient for users to rotation compression ring with impetus.
Preferably, offering arcwall face between outer ring and inner ring.
By using above scheme, arcwall face can enhance the bonding strength between outer ring and inner ring, make inner ring and outer ring
Junction deformation is less likely to occur.
Preferably, being fixedly connected with more reinforcement fins on bursting diaphragm, reinforces fin and be staggered on bursting diaphragm.
By using above scheme, the intensity of bursting diaphragm can be increased by reinforcing fin, and bursting diaphragm is made to be more difficult generation of being exploded
Impact wash open.
In conclusion the utility model has the following beneficial effects:
1. when pressure gauge occur explosion time, explosion-proof shell can stop pressure gauge explosion generate impact, bursting diaphragm can will
It is separated inside transparent panel and pressure gauge, prevents pressure gauge explosion from having a direct impact to transparent panel, reduce what transparent panel was broken through
May, pressure gauge explosion time is generated into impact and is guided to pressure gauge rear, is reduced when user observes pressure gauge, pressure gauge is quick-fried
The possibility of the fried personal safety for endangering user；
2. transparent panel can be pressed on circular casing by compression ring, facilitate installation, and compression ring can also increase it is transparent
The leakproofness of plate；Convex block can increase the bonding strength of inner ring and outer ring, while also rotate compression ring to user with impetus,
It is installed convenient for users to rotation compression ring；
3. the intensity of bursting diaphragm can be increased by reinforcing fin, wash bursting diaphragm be more difficult the to be exploded impact of generation open.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment；
Fig. 2 is the explosive view of prominent pressure meter structure in embodiment；
Fig. 3 is the cross-sectional view of prominent pressure gauge internal structure in embodiment；
Fig. 4 is the schematic diagram of prominent watch core structure in embodiment；
Fig. 5 is the schematic diagram of prominent explosion-proof shell in embodiment；
Fig. 6 is the explosive view of prominent transparent panel structure in embodiment；
Fig. 7 is the explosive view of prominent rear cover structure in embodiment；
Fig. 8 is the cross-sectional view of prominent outer relief hole and interior pressure release pore structure in embodiment.
In figure, 1, watch core；11, connector；12, bourdon tube；13, connecting rod；14, rack；15, sector gear；16, needle pivot；
161, list index；162, pinion gear；17, balance spring；2, explosion-proof shell；21, circular casing；211, lower through slot；212, slot is abutted；22, prevent
Plate bursting；221, reinforce fin；222, pointer through-hole；23, protective shell；231, preceding through slot；232, rear through slot；233, upper through slot；
234, interior relief hole；3, transparent panel；31, compression ring；311, arcwall face；312, convex block；313, inner ring；314, outer ring；32, table
Disk；4, rear cover；41, outer relief hole；42, threaded hole；43, hold-down bolt；431, gasket.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment: a kind of explosion-proof type pressure gauge, as depicted in figs. 1 and 2, including explosion-proof shell 2, table is equipped in explosion-proof shell 2
Core 1, is equipped with transparent panel 3 in 2 one end of explosion-proof shell, is equipped with rear cover 4 in 2 other end of explosion-proof shell.Watch core 1 is located at transparent panel 3 and rear cover 4
Between.Protective shell 23 is equipped in explosion-proof shell 2, watch core 1 is located in protective shell 23.Staff can observe through transparent panel 3
The reading of watch core 1.
As shown in Figure 3 and Figure 4, watch core 1 includes rack 14, connector 11 is fixedly connected in 14 bottom of rack, in explosion-proof shell 2
The lower through slot 211 passed through for connector 11 is offered at 11 position of corresponding joints, is opened up at 23 corresponding joints of protective shell, 11 position
There is the upper through slot 233 passed through for connector 11, connector 11 passes through upper through slot 233 and lower through slot 211 is arranged.It is fixed in rack 14 to connect
It is connected to bourdon tube 12,12 other end of bourdon tube is fixedly connected with connecting rod 13, and 13 other end of connecting rod is fixedly connected with sector gear 15.
It is rotatably connected to needle pivot 16 at corresponding 15 position of sector gear of rack 14, at corresponding 15 position of sector gear of needle pivot 16
It is fixedly connected with pinion gear 162, pinion gear 162 and sector gear 15 are intermeshed.Balance spring is fixedly connected on needle pivot 16
17,17 other end of balance spring is fixedly connected in rack 14.List index is fixedly connected with close to 3 one end of transparent panel in needle pivot 16
161.Connector 11 can incude the pressure of fluid measured to be checked or gas and bourdon tube 12 is driven to be bent, and bourdon tube 12 passes through connecting rod 13
Sector gear 15 is driven to rotate, sector gear 15 drives needle pivot 16 to rotate by pinion gear 162, rotates list index 161, comes
It is read.Balance spring 17 goes back to needle pivot 16 in the pressure reduction of fluid measured to be checked or gas, guarantees that testing result is accurate.
As shown in Figure 3 and Figure 5, explosion-proof shell 2 includes circular casing 21, and bursting diaphragm 22, ring are fixedly connected in circular casing 21
Shape shell 21 and bursting diaphragm 22 are made of explosion-proof lamp, and explosion-proof lamp can be PC plastic, and PC plastic has toughness height, anti-flammability
Well, the advantages that good in oxidation resistance, wear-resisting and light weight.Bursting diaphragm 22 is right in bursting diaphragm 22 between watch core 1 and transparent panel 3
It answers and offers pointer through-hole 222 at 16 position of needle pivot, needle pivot 16 is arranged across pointer through-hole 222, and list index 161, which is located at, to be referred to
Needle shaft 16 passes through 22 one end of bursting diaphragm.It is fixedly connected with more reinforcement fins 221 on bursting diaphragm 22, reinforces fin 221 anti-
It is staggered in plate bursting 22, the intensity of bursting diaphragm 22 can be increased by reinforcing fin 221.Protective shell 23 is located at bursting diaphragm 22 and rear cover
Between 4, protective shell 23 surrounds watch core 1 and is arranged, before protective shell 23 is offered close to 3 one end of transparent panel and to be passed through for needle pivot 16
Through slot 231.Explosion time occurs inside pressure gauge, protective shell 23 can play the role of stopping explosion diffusion, explosion-proof shell 2 first
It can prevent explosion from entire pressure gauge being made to pop, bursting diaphragm 22 can reduce the influence exploded to transparent panel 3, prevent transparent panel 3
It is broken in explosion time, it wound surrounding people.
As shown in Figure 3 and Figure 6, it is fixedly connected with dial plate 32 on one side close to transparent panel 3 in bursting diaphragm 22, needle pivot 16 passes through
Dial plate 32 is arranged, and list index 161 is between dial plate 32 and transparent panel 3.Dial plate 32 observes specific reading for user.In annular
It is offered at corresponding 3 position of transparent panel of shell 21 and abuts slot 212, transparent panel 3, which is connected to, to abut on slot 212.It is corresponding in circular casing 21
Transparent panel 3 is threaded with compression ring 31 far from rear cover 4 on one side, and compression ring 31 is connected on transparent panel 3.Compression ring 31 includes supporting
The inner ring 313 that is connected on transparent panel 3 and it is fixedly connected on outer ring 314 of the inner ring 313 far from 3 one side of transparent panel, outer ring 314 is vertical
It is arranged in transparent panel 3, outer ring 314 is threadedly coupled with circular casing 21.Arcwall face is offered between outer ring 314 and inner ring 313
311, arcwall face 311 is arranged along 31 circumference of compression ring.The connection that arcwall face 311 can enhance between outer ring 314 and inner ring 313 is strong
Degree reduces the junction possibility that deformation occurs of inner ring 313 and outer ring 314.Multiple convex blocks are fixedly connected in inner ring 313
312, each convex block 312 is fixedly connected on outer ring 314, and convex block 312 is arranged along 31 circumference array of compression ring.312 energy of convex block
Enough increase the bonding strength of inner ring 313 and outer ring 314, while also rotating compression ring 31 to user with impetus, is easy to use
Person installs compression ring 31.
As shown in fig. 7, rear cover 4 is threadedly connected on circular casing 21, threaded hole 42 is offered among rear cover 4, is being protected
Shell 23 offers rear through slot 232 at corresponding 42 position of threaded hole, and rear through slot 232 is connected to threaded hole 42.The screw thread on threaded hole 42
It is connected with hold-down bolt 43, hold-down bolt 43 is arranged across threaded hole 42, and hold-down bolt 43 is threadedly connected in rear through slot 232.
Gasket 431 is arranged on hold-down bolt 43, gasket 431 is located between the nut and rear cover 4 of hold-down bolt 43.Hold-down bolt 43
Nut rear cover 4 is pressed on protective shell 23 by gasket 431, the fixed rear cover 4 of hold-down bolt 43 is opposite with protective shell 23
Positional relationship.Under the premise of guaranteeing that rear cover 4 is removable, guarantee that rear cover 4 will not be separated with explosion-proof shell 2 easily.
As shown in Figure 7 and Figure 8, outer relief hole 41 is offered on rear cover 4, in corresponding outer 41 position of relief hole of protective shell 23
Place offers interior relief hole 234, and interior relief hole 234 is interconnected with outer relief hole 41.When pressure gauge internal pressure is excessive, pressure
Extra gas can be discharged to outside pressure gauge from interior relief hole 234 and outer relief hole 41 inside power table, protect pressure gauge.
Usage mode: by pressure gauge after the installation is completed, if pressure gauge inside explode, protective shell 23 can first
The explosion inside pressure gauge is kept out, bursting diaphragm 22 can prevent explosion from directly influencing transparent panel 3.Compression ring 31 can prevent
Isotropic disk 3 is hit winged by the impact that explosion generates.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of explosion-proof type pressure gauge, including watch core (1), watch core (1) includes rack (14) and is rotationally connected on rack (14)
Needle pivot (16), it is characterised in that: be externally connected with the explosion-proof shell made of explosion-proof lamp (2) in watch core (1), explosion-proof shell (2)
Including the bursting diaphragm (22) for being fixedly connected on the outer circular casing (21) of watch core (1) and being fixedly connected in circular casing (21), annular
Shell (21) surrounds watch core (1) setting, and bursting diaphragm (22) covers circular casing (21)；
It is offered on bursting diaphragm (22) pointer through-hole (222), needle pivot (16) is arranged across pointer through-hole (222), in pointer
Axis (16) passes through pointer through-hole (222) one end and is fixedly connected with list index (161), in circular casing (21) close to list index (161)
One end is connected with transparent panel (3), and in circular casing (21), the other end is connected with rear cover (4), and transparent panel (3) and rear cover (4) cover respectively
The both ends of lid circular casing (21).
2. explosion-proof type pressure gauge according to claim 1, it is characterised in that: be fixedly connected with protection in circular casing (21)
Shell (23), protective shell (23) surround watch core (1) setting, offer preceding through slot close to list index (161) one end in protective shell (23)
(231), needle pivot (16) is arranged across preceding through slot (231).
3. explosion-proof type pressure gauge according to claim 2, it is characterised in that: rear cover (4) is threadedly connected to circular casing (21)
It is interior, threaded hole (42) are offered among rear cover (4), offer rear through slot at protective shell (23) corresponding threaded hole (42) position
(232), rear through slot (232) connection threaded hole (42), is threaded with hold-down bolt (43), hold-down bolt on threaded hole (42)
(43) it is threadedly connected in rear through slot (232).
4. explosion-proof type pressure gauge according to claim 2, it is characterised in that: offer outer relief hole on rear cover (4)
(41), offered interior relief hole (234) at protective shell (23) corresponding outer relief hole (41) position, interior relief hole (234) with outside
Relief hole (41) is interconnected.
5. explosion-proof type pressure gauge according to claim 1, it is characterised in that: in circular casing (21) corresponding transparent panel (3) position
The place of setting, which offers, abuts slot (212), and transparent panel (3), which is connected to, to abut on slot (212), corresponding transparent panel (3) in circular casing (21)
It is threaded on one side compression ring (31) far from rear cover (4), compression ring (31) is connected on transparent panel (3).
6. explosion-proof type pressure gauge according to claim 5, it is characterised in that: compression ring (31) includes being connected to transparent panel
(3) inner ring (313) on and the outer ring (314) of inner ring (313) far from transparent panel (3) one side, outer ring (314) spiral shell are fixedly connected on
Line is connected in circular casing (21), is fixedly connected on inner ring (313) multiple convex blocks (312), and each convex block (312) is fixed
It is connected on outer ring (314).
7. explosion-proof type pressure gauge according to claim 6, it is characterised in that: opened between outer ring (314) and inner ring (313)
Equipped with arcwall face (311).
8. explosion-proof type pressure gauge according to claim 1, it is characterised in that: be fixedly connected with more on bursting diaphragm (22)
Reinforce fin (221), reinforces fin (221) and be staggered on bursting diaphragm (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821568435.6U CN208847397U (en) | 2018-09-25 | 2018-09-25 | Explosion-proof type pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821568435.6U CN208847397U (en) | 2018-09-25 | 2018-09-25 | Explosion-proof type pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208847397U true CN208847397U (en) | 2019-05-10 |
Family
ID=66373569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821568435.6U Expired - Fee Related CN208847397U (en) | 2018-09-25 | 2018-09-25 | Explosion-proof type pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208847397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113097915A (en) * | 2021-04-06 | 2021-07-09 | 国网新疆电力有限公司检修公司 | GIS circuit breaker monitoring assembly and monitoring alarm system |
-
2018
- 2018-09-25 CN CN201821568435.6U patent/CN208847397U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113097915A (en) * | 2021-04-06 | 2021-07-09 | 国网新疆电力有限公司检修公司 | GIS circuit breaker monitoring assembly and monitoring alarm system |
| CN113097915B (en) * | 2021-04-06 | 2022-10-14 | 国网新疆电力有限公司超高压分公司 | Monitoring alarm system containing GIS circuit breaker monitoring component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |