CN207502005U - A kind of gauge outfit of wet type photoelectricity water meter - Google Patents
A kind of gauge outfit of wet type photoelectricity water meter Download PDFInfo
- Publication number
- CN207502005U CN207502005U CN201721148751.3U CN201721148751U CN207502005U CN 207502005 U CN207502005 U CN 207502005U CN 201721148751 U CN201721148751 U CN 201721148751U CN 207502005 U CN207502005 U CN 207502005U
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- line card
- character wheel
- wheel box
- gauge outfit
- optical
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Abstract
The utility model discloses a kind of gauge outfits of wet type photoelectricity water meter, including character wheel box, optical-electric module, thumb wheel, scale, connection and line card, optical-electric module is connected in the optical-electric module installation cavity in character wheel box, connection passes through the connection channels on character wheel box box body to be welded as a whole with optical-electric module, and character wheel box box body outer wall, which corresponds to, is connected with line card at the line outlet of connection channels.Character wheel box corresponds to that scale installed position is fluted, and scale is flush-mounted in gauge outfit leakage when can avoid the water meter to beat static pressure in groove.Line card is full package structure, and after connection goes out gauge outfit, the channel for passing through watchcase and watch glasses together with line card again is passed through out of line card.The side wall of optical-electric module installation cavity sets two step surfaces less, improves the yields of character wheel box part.By embedded sealing ring in the thumb wheel annular seal space on character wheel box and the baffle ring that sealing ring is prevented to run out of, gauge outfit leakage is avoided.The installation of thumb wheel indent can avoid occurring flow partially negative phenomenon during small flow to increase the gap of thumb wheel and counter gear on worm.
Description
Technical field
The utility model is related to a kind of wet type photoelectricity water meters, and in particular to a kind of gauge outfit of wet type photoelectricity water meter.
Background technology
Photo-electric direct-reading water meter is that photoelectric technology and decoding reading technology are introduced into direct-reading water meter, and direct-reading water meter is
A kind of passive table, maximum feature is not need to power supply usually, only just needs power supply in the moment of meter reading.
The gauge outfit of photo-electric direct-reading water meter includes character wheel case assembly, and optical-electric module, character wheel box box body are connected in character wheel box
On have the connection channels of connection, inner end and the optical-electric module of connection core wire are welded as a whole.After connection is connect with module,
Its leading-out terminal comes out from gauge outfit, is generally protected across watchcase, watch glasses using line card, line card generally selects stainless steel.Communication
After line goes out gauge outfit, when connection passes through the channel of watchcase and watch glasses, since line card is open, in the online card slot of connection
It is to loosen, needs to heat Heat-Shrinkable Tubings protection, complex process, production cost height outside line card and connection.It is most uncontrollable
It is that in process of production, due to gauge outfit repeated disassembled and assembled, heat-shrinkable T bush may be cut by watch glasses, and connection is made to be run out of line card
Go out so that when installing watch glasses, connection enters in screw thread or hurts broken skin by watch glasses, and the communication of initial stage gauge outfit is normal,
But long-time service can lead to the short circuit of gauge outfit connection and situations such as copy reading table is abnormal occurs.
At present, there are following defects for the gauge head structure pattern of wet type photoelectric direct reading remote transmission water meter：
Due to the gap there are one scale thickness between its character wheel box and glass, when water meter beats static pressure, it be easy to cause gauge outfit change
Shape and leakage；
Since plane is entirely step surface on its character wheel box, then character wheel box is not easy depanning in mold, causes part not
Good ratio is more；
Worm-wheel shaft is generally tightly connected with sealing ring of the character wheel box in transmission portion using y-shaped ring, this sealing side
Formula when water meter beats static pressure, easily run out of by sealing ring, be easy to cause gauge outfit leakage, it is maximum the problem of be, after sealing ring is run out of,
The gap of thumb wheel and movement counter gear on worm can be reduced, water meter is caused to cause due to gear drive is obstructed when walking small flow small
Flow is walked negative.
Utility model content
The purpose of this utility model is to provide a kind of completely new gauge head structures, above-mentioned present in background technology to solve
Problem.
The gauge outfit of this wet type photoelectricity water meter provided by the utility model, including character wheel box, optical-electric module, thumb wheel, scale,
Connection and line card, optical-electric module are connected in the optical-electric module installation cavity in character wheel box, and connection is passed through on character wheel box box body
Connection channels be welded as a whole with optical-electric module, it is wired that character wheel box box body outer wall corresponds to connection at the line outlets of connection channels
Card.It is fluted that the character wheel box corresponds to scale installed position, and the scale is flush-mounted in the groove.The line card is full package
Structure after the connection goes out gauge outfit, is passed through out of line card, then the channel of watchcase and watch glasses is passed through together with line card.
The optical-electric module installation cavity is square type chamber, and there is step surface in two long sides inside without step surface, two short sides inside.
One short side outer wall of the optical-electric module installation cavity has the installation groove and annular seal space of the thumb wheel, and installation groove is
Indent annular groove, annular seal space are inner small and outside big ring ladder chamber, and O-ring seal is embedded in path ring, gear is embedded in major diameter ring
Circle.
The line card mainly includes inserting section and wraps up in line segment, and wrapping up in the outer end of line segment has guiding flanging, and inserting section includes circular arc
The flanging of plate and its both sides, the lower end rounded corner of flanging and are wrapped up between line segment and have changeover portion inserting section.
Line card link slot is provided at the line outlet of the character wheel box box body outer wall, line card link slot is included along character wheel box box
The rectangular channel and the U-shaped groove positioned at two offside of rectangular channel of external wall short transverse.
The line card is inserted into the flanging of inserting section in the U-shaped groove of character wheel box line card link slot, arc plate is located at rectangle
Positioning is installed in slot.
Scale in the groove of character wheel box upper end, becomes the gap between character wheel box and glass by the utility model
Very little, so when water meter beats static pressure, gauge outfit there is no deformation, and prior art gauge outfit is avoided the hair of the phenomenon of leakage occur
It is raw.Line card uses full package structure, and after connection goes out gauge outfit, when connection passes through watchcase and watch glasses, connection is due to outer wired
The package protection of card, will not be damaged, and avoid after the prior art is damaged because of heat-shrinkable T bush to the influence of connection and appearance
Consequence can ensure that gauge outfit connection meter reading is normal for a long time.The inner wall of optical-electric module installation cavity has lacked two step surfaces in character wheel box,
Increase the forced area of ejector pin of die set so that the bad ratio of character wheel box part substantially reduces.Character wheel box optical-electric module is installed
The structure of chamber side wall thumb wheel annular seal space prevents sealing ring from running out of, avoids gauge outfit leakage by baffle ring.The indent installation of thumb wheel, increases
Big gap of the thumb wheel with counter gear on worm, when water meter detects small flow, it is partially negative existing to avoid the occurrence of flow for stability of flow
As occurring.
Description of the drawings
Fig. 1 is the schematic top plan view of the utility model.
Fig. 2 is the A-A schematic diagrames in Fig. 1.
Fig. 3 is the B-B schematic diagrames in Fig. 1.
Fig. 4 is the structure diagram of character wheel box in Fig. 1.
Fig. 5 is the elevational schematic view of Fig. 4.
Fig. 6 is the structure diagram of line card in Fig. 1.
Fig. 7 is the structure diagram of Fig. 1 guide rings.
Specific embodiment
The gauge outfit of this wet type photoelectricity water meter with reference to disclosed in Fig. 1 to Fig. 3 can be seen that the present embodiment, including character wheel box
1st, line card 2, baffle ring 3, O-ring seal 4, scale 5, optical-electric module 6, connection 7, thumb wheel 8, glass 9.
Character wheel box optical-electric module 6 is installed in the optical-electric module installation cavity 13 in character wheel box 1, and connection 7 passes through character wheel box 1
Connection channels on box body are welded as a whole with optical-electric module 6, and 1 box body outer wall of character wheel box corresponds to be connected at the line outlet of connection channels
It is connected to line card 2.
Corresponding scale installed position fluted 11, scale 5 on the upside of 1 box body of character wheel box are can be seen that with reference to Fig. 2 and Fig. 4
In the groove, that is to say, that visible planar 12 is higher than scale mounting surface.Between making in this way between character wheel box 1 and glass 9
Gap becomes very little, and when water meter beats static pressure, gauge outfit is basic or that is not deformed, and avoids the generation of the gauge outfit phenomenon of leakage.
Optical-electric module installation cavity 13 in character wheel box 1 is can be seen that as square type chamber with reference to Fig. 2 to Fig. 5, on the inside of two long sides
Without step surface, there is step surface 131 on the inside of two short sides, the reduction of two step surfaces increases the forced area of ejector pin of die set so that
The bad ratio of character wheel box part substantially reduces.One short side outer wall of optical-electric module installation cavity 13 has the installation groove 132 of thumb wheel 8
With annular seal space 133, installation groove 132 is indent annular groove, and annular seal space 133 is inner small and outside big ring ladder chamber, in path ring
O-ring seal 4 is embedded in, baffle ring 3 is embedded in major diameter ring.The structure of baffle ring 3 is as shown in fig. 7, axial center hole is used to install character wheel
Axis.The indent installation of thumb wheel 8 increases the gap of thumb wheel and counter gear on worm, and when water meter detects small flow, flow is steady
It is fixed, the phenomenon that flow is partially negative can be avoided the occurrence of.
Line card 2 is can be seen that with reference to Fig. 2 and Fig. 6 mainly to include inserting section 21 and wrapping up in line segment 22, the outer end for wrapping up in line segment 2 has
It is oriented to flanging 23, inserting section 21 includes the flanging of arc plate and its both sides, the lower end rounded corner of flanging, inserting section 21 and wraps up in line segment
There is changeover portion 24 between 22.Stainless steel plate can be used by bending and forming in entire line card, wrap up in line segment by guiding flanging end rounding
Angle is in order to avoid cut the epidermis of connection.The width of changeover portion is less than inserting section and wraps up in line segment.
As shown in figure 5, being provided with line card link slot 14 at the line outlet of 1 box body outer wall of character wheel box, line card link slot 14 wraps
Include the rectangular channel along 1 box body outer wall short transverse of character wheel box and the U-shaped groove positioned at two offside of rectangular channel.
Line card 2 is can be seen that with the U of the flanging insertion 1 line card link slot 15 of character wheel box of inserting section 21 with reference to Fig. 2 and Fig. 5
In type groove, arc plate be located in rectangular channel install positioning, connection 7 again with line card 2 together pass through base table watchcase and watch glasses
Channel, outside do not have to heating Heat-Shrinkable Tubings, it is simple for process.In addition, in process of production, even if gauge outfit repeated disassembled and assembled, connection 7
It will not be run out of out of line card 2, can broken skin not hurt by watch glasses with effective protection connection 7, can ensure gauge outfit connection for a long time
Copy reading table is normal.
Claims (6)
1. a kind of gauge outfit of wet type photoelectricity water meter, including character wheel box, optical-electric module, thumb wheel, scale, connection and line card, photoelectricity
Module is connected in the optical-electric module installation cavity in character wheel box, and connection passes through connection channels and photoelectricity mould on character wheel box box body
Block welding is integrated, and character wheel box box body outer wall, which corresponds to, is connected with line card at the line outlet of connection channels, it is characterised in that：The word
It is fluted that wheel box corresponds to scale installed position, and scale is in the groove；The line card be full package structure, the communication
It after line goes out gauge outfit, is passed through out of line card, then the channel of watchcase and watch glasses is passed through together with line card.
2. the gauge outfit of wet type photoelectricity water meter as described in claim 1, it is characterised in that：The optical-electric module installation cavity is square type
There are step surface in chamber, two long sides inside without step surface, two short sides inside.
3. the gauge outfit of wet type photoelectricity water meter as claimed in claim 2, it is characterised in that：The one of the optical-electric module installation cavity is short
Side outer wall has the installation groove and annular seal space of the thumb wheel, and installation groove is indent annular groove, and annular seal space is inner small and outside big ring
Shape stepped cavity is embedded in O-ring seal in path ring, baffle ring is embedded in major diameter ring.
4. the gauge outfit of wet type photoelectricity water meter as described in claim 1, it is characterised in that：The line card mainly include inserting section and
Line segment is wrapped up in, wrapping up in the outer end of line segment has guiding flanging, and inserting section includes arc plate and the flanging of its both sides, the lower end rounding of flanging
Angle, inserting section and wraps up between line segment and has changeover portion.
5. the gauge outfit of wet type photoelectricity water meter as claimed in claim 4, it is characterised in that：The outlet of the character wheel box box body outer wall
Line card link slot is provided at mouthful, line card link slot is included along the rectangular channel of character wheel box box body outer wall short transverse and positioned at rectangle
The U-shaped groove of two offside of slot.
6. the gauge outfit of wet type photoelectricity water meter as claimed in claim 5, it is characterised in that：The line card is inserted with the flanging of inserting section
Enter in the U-shaped groove of character wheel box line card link slot, arc plate is located at installation positioning in rectangular channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721148751.3U CN207502005U (en) | 2017-09-08 | 2017-09-08 | A kind of gauge outfit of wet type photoelectricity water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721148751.3U CN207502005U (en) | 2017-09-08 | 2017-09-08 | A kind of gauge outfit of wet type photoelectricity water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207502005U true CN207502005U (en) | 2018-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721148751.3U Active CN207502005U (en) | 2017-09-08 | 2017-09-08 | A kind of gauge outfit of wet type photoelectricity water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207502005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579258A (en) * | 2019-10-12 | 2019-12-17 | 湖南威铭能源科技有限公司 | modular water meter and wire fixing method thereof |
-
2017
- 2017-09-08 CN CN201721148751.3U patent/CN207502005U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579258A (en) * | 2019-10-12 | 2019-12-17 | 湖南威铭能源科技有限公司 | modular water meter and wire fixing method thereof |
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