CN209014185U - A kind of high-precision digital-display atmospheric pressure table - Google Patents
A kind of high-precision digital-display atmospheric pressure table Download PDFInfo
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- CN209014185U CN209014185U CN201821830094.5U CN201821830094U CN209014185U CN 209014185 U CN209014185 U CN 209014185U CN 201821830094 U CN201821830094 U CN 201821830094U CN 209014185 U CN209014185 U CN 209014185U
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Abstract
The utility model provides a kind of high-precision digital-display atmospheric pressure table, the LCD panel in strip-shaped hole, pcb board including bottom case, face-piece, holding on face-piece, battery pack, sensor rubber head, sensor tabletting, pcb board are electrically connected battery pack, sensor tabletting, LCD panel；Bottom case bottom surface is equipped with the first through hole with externally threaded hollow tube, connection hollow tube for connecing gas source, the pressure head of sensor rubber head is located in first through hole, the tail end backwards to pressure head of sensor tabletting veneer contact sensor rubber head, the sensor rubber head is provided with slot backwards to the part of bottom case bottom surface, and the sensor tabletting is plugged in slot.High-precision digital-display atmospheric pressure table provided by the utility model, the pressure head of sensor rubber head is arranged in first through hole, the sensor tabletting is plugged in the slot of sensor rubber head, this kind of structure type, strong ensure that sensor tabletting high stability, to guarantee the high-precision digital-display atmospheric pressure table high-precision of the utility model.
Description
Technical field
The utility model relates to pressure gauge technical fields, more particularly to a kind of high-precision digital-display atmospheric pressure table.
Background technique
Currently, with the development of science and technology, people are more and more to the pressure gauge demand of digital-scroll technique.Because of digital-scroll technique pressure
Force value can more intuitively watch the size of pressure to be measured, convenient for user so that user makes counter-measure in time.
But current digital-scroll technique pressure gauge, since what the support construction of sensor tabletting was arranged is not sufficiently stable, so that
The pressure of sensor tabletting impression is also unstable, inaccurate so as to cause final measured value.
Accordingly, it is desirable to provide a kind of high-precision digital-display atmospheric pressure table is to solve the above technical problems.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of high-precision digital-display atmospheric pressure table, by sensor glue
The pressure head of head is arranged in first through hole, and the sensor tabletting is plugged in the slot of sensor rubber head, this kind of structure type,
Strong ensure that sensor tabletting high stability, to guarantee that the high-precision digital-display atmospheric pressure table of the utility model is high-precision
Degree.
In order to solve the above technical problems, the technical solution that the utility model uses is to provide a kind of high-precision digital-display gas
Pressure pressure table, including LCD panel 2 in the strip-shaped hole 101 on face-piece 1 of bottom case 6, face-piece 1, holding, pcb board 4, battery pack 13,
The sensing for the pressure that the pressure head 72 for experiencing sensor rubber head 7 of sensor rubber head 7, holding in sensor rubber head 7 is subject to
Device tabletting 10, pcb board 4 are electrically connected battery pack 13, sensor tabletting 10, LCD panel 2；
6 bottom surface of bottom case is equipped with the first through hole 62 with externally threaded hollow tube 61, connection hollow tube 61 for connecing gas source,
The pressure head 72 of sensor rubber head 7 is located in first through hole 62, the pressure head backwards of 10 veneer contact sensor rubber head 7 of sensor tabletting
72 tail end, the sensor rubber head 7 are provided with slot 71 backwards to the part of 6 bottom surface of bottom case, and the sensor tabletting 10 is planted
In slot 71, and sensor rubber head 7 is connected on 6 inner bottom surface of bottom case；
Two keys 102 that two pressure switches on pcb board 4 are contacted there are two one-to-one correspondence are set on 1 bottom surface of face-piece.
In embodiment, it is preferable that be provided with the first groove 63 on 6 bottom surface of bottom case, first through hole 62 is located at 63 bottom of the first groove
On face, 63 bottom surface of the first groove is equipped with about 62 symmetrical two bar blocks 64 of the first through hole, in the bar blocks 64
It is provided with the first screw blind hole for extending perpendicularly to 6 bottom surface of bottom case；
It is respectively arranged in sensor rubber head 7 and sensor tabletting 10 logical with the first one-to-one screw of screw blind hole
Hole；
First screw sequentially passes through sensor tabletting 10, the screw through-hole in sensor rubber head 7 is spirally connected corresponding first spiral shell
Silk blind hole, and sensor rubber head 7 is stuck in first groove 63 close to the end of 6 bottom surface of bottom case.
In embodiment, it is preferable that be provided in sensor rubber head 7 with 72 face of pressure head and concentric with the pressure head 72
The circular groove of line, an O-ring seal 8 are placed in the circular groove；
The track groove 73 extended backwards to circular groove axial line is offered on the circular groove side wall, a fanning strip 9
A part fills and leads up the circular groove, another part fills and leads up the track groove 73,
O-ring seal 8 contacts a fanning strip 9,9 veneer contact sensor tabletting of fanning strip backwards to the surface veneer of pressure head 72
10。
In embodiment, it is preferable that the high-precision digital-display atmospheric pressure table further comprises battery case side cover 14, battery case bottom
Shell 11, battery case face-piece 12, battery pack 13 are located in the battery case that battery case bottom case 11 and battery case face-piece 12 surround, the electricity
One end of pond box is connected with electrode slice 1, and battery case side cover 14 is plugged on bottom case 6, on face-piece 1 in corresponding side slot, electricity
The electrode slice 2 15 of electrical contact 13 other end of battery pack is bolted on 14 inner surface of pond box side cover；
Battery case bottom case 11 and the opposite position of battery case face-piece 12 are respectively arranged with the hangers with location hole, the second screw
Location hole on hangers is spirally connected the inner bottom surface of bottom case 6；
Sensor rubber head 7 is between battery case and the inner bottom surface of bottom case 6.
In embodiment, it is preferable that the bottom case 6,1 side wall of face-piece are in a ring；
The side wall inner surfaces of the bottom case 6 are equally spaced to be provided with multiple the first positioning columns 65 with screw through-hole, face
Be provided in 1 side wall inner surfaces of shell it is multiple with screw blind hole and with one-to-one second positioning column of the first positioning column 65, the
Three screws are spirally connected the first positioning column 65 and the second positioning column of face.
In embodiment, it is preferable that it is provided with backlight 3 on 2 inner surface of LCD panel, pcb board 4 is spirally connected 1 inner bottom surface of face-piece,
Successively sequence is arranged for LCD panel 2, backlight 3, pcb board 4, and electric silica gel zebra item 5 is electrically connected LCD panel 2 and pcb board 4.
The beneficial effects of the utility model are: a kind of high-precision digital-display atmospheric pressure table provided by the utility model, will pass
The pressure head of sensor rubber head is arranged in first through hole, and the sensor tabletting is plugged in the slot of sensor rubber head, this kind knot
Configuration formula, strong ensure that sensor tabletting high stability, to guarantee the high-precision digital-display air pressure pressure of the utility model
Power table high-precision.
Detailed description of the invention
Fig. 1 and Fig. 2 is two of the first preferred embodiment of a kind of high-precision digital-display atmospheric pressure table of the utility model
Fractionation structural representation under different perspectives.
It is as follows that number in Figure of description identifies corresponding component names difference:
1- face-piece；101- strip-shaped hole；102- key；2-LCD plate；3- backlight；4-PCB plate；5- electric silica gel zebra item；
6- bottom case；61- hollow tube；62- first through hole；The first groove of 63-；64- bar blocks；The first positioning column of 65-；7- sensor glue
Head；71- slot；72- pressure head；73- track groove；8-O type sealing ring；9- fanning strip；10- sensor tabletting；11- battery case bottom
Box；12- battery case face-piece；13- battery pack；131- electrode slice；14- battery case side cover；15- electrode slice two.
Specific embodiment
The technical solution of the utility model is described in detail below with reference to diagram.
Referring to Figure 1 and shown in Fig. 2, the high-precision digital-display atmospheric pressure table of the present embodiment, including bottom case 6, face-piece 1, card
LCD panel 2 in the strip-shaped hole 101 on face-piece 1, pcb board 4, battery pack 13, sensor rubber head 7, holding are set in sensor rubber head
The sensor tabletting 10 for the pressure that the pressure head 72 for experiencing sensor rubber head 7 on 7 is subject to, pcb board 4 are electrically connected battery pack
13, sensor tabletting 10, LCD panel 2；
6 bottom surface of bottom case is equipped with the first through hole 62 with externally threaded hollow tube 61, connection hollow tube 61 for connecing gas source,
The pressure head 72 of sensor rubber head 7 is located in first through hole 62, the pressure head backwards of 10 veneer contact sensor rubber head 7 of sensor tabletting
72 tail end, the sensor rubber head 7 are provided with slot 71 backwards to the part of 6 bottom surface of bottom case, and the sensor tabletting 10 is planted
In slot 71, and sensor rubber head 7 is connected on 6 inner bottom surface of bottom case；
Two keys 102 that two pressure switches on pcb board 4 are contacted there are two one-to-one correspondence are set on 1 bottom surface of face-piece.
In the present embodiment, sensor tabletting 10 is plugged in the slot 71 of sensor rubber head 7, to effectively limit
The displacement of sensor tabletting 10 provides stable support for sensor tabletting 10, ensure that the height of sensor tabletting 10
Stability.
In embodiment, please referring further to shown in Fig. 1 and Fig. 2, it is preferable that the first groove 63 is provided on 6 bottom surface of bottom case, the
One through-hole 62 is located on 63 bottom surface of the first groove, and 63 bottom surface of the first groove is equipped with about the first through hole 62 symmetrical two
Bar blocks 64 are provided with the first screw blind hole for extending perpendicularly to 6 bottom surface of bottom case in the bar blocks 64；Sensor rubber head
7 and sensor tabletting 10 on be respectively arranged with and the first one-to-one screw through-hole of screw blind hole；First screw sequentially passes through
Screw through-hole in sensor tabletting 10, sensor rubber head 7 is spirally connected corresponding first screw blind hole, and sensor rubber head 7 is close
The end of 6 bottom surface of bottom case is stuck in first groove 63.In the present embodiment, by sensor rubber head 7 close to the end of 6 bottom surface of bottom case
Portion is stuck in first groove 63, to further limit the position of sensor rubber head 7, then by sensor tabletting 10, pass
Sensor rubber head 7,63 the first screw of underrun of the first groove are spirally connected, and further define sensor tabletting 10, sensor glue
The stability of sensor tabletting 10, sensor rubber head 7 is improved in first 7 position.
In embodiment, please referring further to shown in Fig. 1, it is preferable that be provided in sensor rubber head 7 and 72 face of pressure head
And the circular groove with 72 coaxial inner conductor of pressure head, an O-ring seal 8 are placed in the circular groove；The circle is recessed
The track groove 73 extended backwards to circular groove axial line is offered in groove sidewall, a part of a fanning strip 9 fills and leads up the circle
Groove, another part fill and lead up the track groove 73, and O-ring seal 8 contacts a fanning strip 9, fan backwards to the surface veneer of pressure head 72
The 9 veneer contact sensor tabletting 10 of shape plate.In the present embodiment, O-ring seal 8 built in circular groove, the contact fan of O-ring seal 8
Shape plate 9,9 veneer contact sensor tabletting 10 of fanning strip are finally acted on the atmospheric pressure that pressure head 72 is experienced by fanning strip 9
In sensor tabletting 10, entire pressure transmission structure is reliable and stable, to guarantee air pressure that sensor tabletting 10 is experienced more
Accurately.
In embodiment, please referring further to shown in Fig. 1 and Fig. 2, it is preferable that the high-precision digital-display atmospheric pressure table is further
Including battery case side cover 14, battery case bottom case 11, battery case face-piece 12, battery pack 13 is located at battery case bottom case 11 and battery case face
In the battery case that shell 12 surrounds, one end of the battery case is connected with electrode slice 1, battery case side cover 14 be plugged on bottom case 6,
On face-piece 1 in corresponding side slot, the electrode slice of electrical contact 13 other end of battery pack is bolted on 14 inner surface of battery case side cover
2 15；
Battery case bottom case 11 and the opposite position of battery case face-piece 12 are respectively arranged with the hangers with location hole, the second screw
Location hole on hangers is spirally connected the inner bottom surface of bottom case 6；Sensor rubber head 7 is between battery case and the inner bottom surface of bottom case 6.
In the present embodiment, the structure type of battery case and battery case side cover 14, convenient for the dismounting to battery.
It please refers to shown in Fig. 1 and Fig. 2, in embodiment preferably, the bottom case 6,1 side wall of face-piece are in a ring；The bottom case 6
Side wall inner surfaces are equally spaced to be provided with multiple the first positioning columns 65 with screw through-hole, is arranged in 1 side wall inner surfaces of face-piece
Have it is multiple with screw blind hole and with one-to-one second positioning column of the first positioning column 65, third screw is spirally connected the first of face
Positioning column 65 and the second positioning column；In the present embodiment, the connection type of bottom case 6, face-piece 1 is easy to disassemble.
In embodiment, please referring further to shown in Fig. 1 and Fig. 2, it is preferable that be provided with backlight on 2 inner surface of LCD panel
3, pcb board 4 is spirally connected 1 inner bottom surface of face-piece, and successively sequence is arranged for LCD panel 2, backlight 3, pcb board 4, and 5 electricity of electric silica gel zebra item
Connect LCD panel 2 and pcb board 4.In the present embodiment, the use of electric silica gel zebra item 5 is increased between LCD panel 2 and pcb board 4
The stability of electrical connection.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure made based on the specification and figures of the utility model is applied directly or indirectly in other relevant technologies
Field is also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of high-precision digital-display atmospheric pressure table, it is characterised in that:
LCD panel (2), pcb board (4), electricity including bottom case (6), face-piece (1), holding in the strip-shaped hole (101) on face-piece (1)
The pressure head (72) for being used to experience sensor rubber head (7) of pond group (13), sensor rubber head (7), holding on sensor rubber head (7)
The sensor tabletting (10) for the pressure being subject to, pcb board (4) are electrically connected battery pack (13), sensor tabletting (10), LCD panel (2)；
Bottom case (6) bottom surface is equipped with the first through hole with externally threaded hollow tube (61), connection hollow tube (61) for connecing gas source
(62), the pressure head (72) of sensor rubber head (7) is located in first through hole (62), sensor tabletting (10) veneer contact sensor glue
The tail end backwards to pressure head (72) of head (7), the sensor rubber head (7) are provided with slot backwards to the part of bottom case (6) bottom surface
(71), the sensor tabletting (10) is plugged in slot (71), and sensor rubber head (7) is connected on bottom case (6) inner bottom surface；
Two keys (102) that two pressure switches on pcb board (4) are contacted there are two one-to-one correspondence are set on face-piece (1) bottom surface.
2. high-precision digital-display atmospheric pressure table according to claim 1, it is characterised in that:
It is provided with the first groove (63) on bottom case (6) bottom surface, first through hole (62) is located on the first groove (63) bottom surface, and first is recessed
Slot (63) bottom surface is equipped with about symmetrical two bar blocks (64) of the first through hole (62), is arranged on the bar blocks (64)
There is the first screw blind hole for extending perpendicularly to bottom case (6) bottom surface；
It is respectively arranged in sensor rubber head (7) and sensor tabletting (10) logical with the first one-to-one screw of screw blind hole
Hole；
First screw sequentially passes through sensor tabletting (10), the screw through-hole in sensor rubber head (7) is spirally connected corresponding first spiral shell
Silk blind hole, and sensor rubber head (7) is stuck in first groove (63) close to the end of bottom case (6) bottom surface.
3. high-precision digital-display atmospheric pressure table according to claim 2, it is characterised in that:
It is provided in sensor rubber head (7) with the pressure head (72) face and recessed with the circle of the pressure head (72) coaxial inner conductor
Slot, an O-ring seal (8) are placed in the circular groove；
The track groove (73) extended backwards to circular groove axial line is offered on the circular groove side wall, a fanning strip (9)
A part fills and leads up the circular groove, another part fills and leads up the track groove (73),
Surface veneer of the O-ring seal (8) backwards to pressure head (72) contacts a fanning strip (9), fanning strip (9) veneer contact sensor
Tabletting (10).
4. high-precision digital-display atmospheric pressure table according to claim 3, it is characterised in that: the high-precision digital-display air pressure pressure
Power table further comprises battery case side cover (14), battery case bottom case (11), battery case face-piece (12), and battery pack (13) is located at battery
In the battery case that cassette bottom shell (11) and battery case face-piece (12) surround, one end of the battery case is connected with electrode slice one (131),
Battery case side cover (14) is plugged on bottom case (6), on face-piece (1) in corresponding side slot, spiral shell on battery case side cover (14) inner surface
It is connected to the electrode slice two (15) of electrical contact battery pack (13) other end；
Battery case bottom case (11) and the opposite position of battery case face-piece (12) are respectively arranged with the hangers with location hole, the second screw
Location hole on hangers is spirally connected the inner bottom surfaces of bottom case (6)；
Sensor rubber head (7) is located between battery case and the inner bottom surface of bottom case (6).
5. high-precision digital-display atmospheric pressure table according to any one of claims 1-4, it is characterised in that: the bottom case
(6), face-piece (1) side wall is in a ring；
The side wall inner surfaces of the bottom case (6) are equally spaced to be provided with multiple the first positioning columns (65) with screw through-hole, face
Be provided in shell (1) side wall inner surfaces it is multiple with screw blind hole and with the first positioning column (65) it is one-to-one second positioning
Column, third screw are spirally connected the first positioning column (65) and the second positioning column of face.
6. high-precision digital-display atmospheric pressure table according to any one of claims 1-4, it is characterised in that: the LCD panel
(2) it is provided on inner surface backlight (3), pcb board (4) is spirally connected face-piece (1) inner bottom surface, LCD panel (2), backlight (3), pcb board
(4) successively sequence is arranged, and electric silica gel zebra item (5) electrical connection LCD panel (2) and pcb board (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821830094.5U CN209014185U (en) | 2018-11-06 | 2018-11-06 | A kind of high-precision digital-display atmospheric pressure table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821830094.5U CN209014185U (en) | 2018-11-06 | 2018-11-06 | A kind of high-precision digital-display atmospheric pressure table |
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| CN209014185U true CN209014185U (en) | 2019-06-21 |
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| CN201821830094.5U Active CN209014185U (en) | 2018-11-06 | 2018-11-06 | A kind of high-precision digital-display atmospheric pressure table |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726507A (en) * | 2019-10-24 | 2020-01-24 | 徐州科恒奥制冷设备有限公司 | Low-pressure alarm device for process gas |
-
2018
- 2018-11-06 CN CN201821830094.5U patent/CN209014185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726507A (en) * | 2019-10-24 | 2020-01-24 | 徐州科恒奥制冷设备有限公司 | Low-pressure alarm device for process gas |
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