CN218066620U - Eccentric magnetic transmission core for water meter - Google Patents
Eccentric magnetic transmission core for water meter Download PDFInfo
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- CN218066620U CN218066620U CN202222489355.4U CN202222489355U CN218066620U CN 218066620 U CN218066620 U CN 218066620U CN 202222489355 U CN202222489355 U CN 202222489355U CN 218066620 U CN218066620 U CN 218066620U
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- impeller assembly
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Abstract
The utility model is suitable for an instrument and meter technical field provides a water gauge is with eccentric magnetic drive core, include: the transparent cover is connected with the supporting plate in a welding mode; the lower magnetic steel is arranged on the lower transmission gear; the upper magnetic steel is arranged on the upper transmission gear, and the lower magnetic steel is coupled with the upper magnetic steel. The embodiment of the utility model changes the welding mode, so that the sealing of the transparent cover and the supporting plate is reliable, the probability of water seepage caused by partial untight sealing is reduced, and the reading is kept clear for a long time; the new addition of the down gear, the lower magnetic steel in the down gear is coupled with the upper magnetic steel in the up gear, and after the impeller assembly and the down gear are subjected to primary speed reduction, the speed of the magnetic steel coupling is greatly reduced, so that the magnetic transmission reliability is ensured; compared with the prior impeller assembly, the lower transmission gear is lighter, the lower transmission gear and the impeller assembly adopt mechanical transmission, the sensitivity is improved when the lower transmission gear and the upper transmission gear are magnetically coupled, and the ratio which can be achieved is obviously improved.
Description
Technical Field
The utility model belongs to the technical field of instrument and meter, especially, relate to an eccentric magnetic drive core for water gauge.
Background
The water gauge core is the key subassembly of intelligent water gauge system, and direct relation user's use, current dry-type water gauge as shown in figure 1 has following defect in the in-service use:
the transparent cover, the sealing ring and the supporting plate assembly of the existing counter are connected through screws, the efficiency is low, the screws are easy to slip when being screwed, the supporting plate assembly can only be scrapped, the waste is serious, and the transparent cover and the supporting plate which are connected through the screws are easy to generate poor sealing, so that water permeates into the gear box, fog is caused, and the reading is influenced;
the existing dry-type intelligent water meter core works by direct magnetic coupling of two magnetic steels, when a valve is rapidly opened under high pressure to about 1.5 times of large flow, the phenomenon of asynchronous magnetic transmission is easy to occur, and the magnetic transmission is not reliable enough;
the lower magnetic steel of the existing dry-type intelligent water meter movement is arranged on the impeller assembly, the upper magnetic steel on the central gear drives the impeller to rotate through magnetic steel coupling, the starting flow is large, and the ratio which can be reached is low.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide an eccentric magnetic drive core for water gauge aims at solving the problem that proposes among the above-mentioned background art.
The embodiment of the utility model provides a realize like this, a water gauge is with eccentric magnetism transmission core, include:
the transparent cover is connected with the supporting plate in a welding mode;
the lower magnetic steel is arranged on the lower transmission gear;
the upper magnetic steel is installed on the upper transmission gear, and the lower magnetic steel is coupled with the upper magnetic steel.
Preferably, the device further comprises an impeller assembly, and the impeller assembly is in mechanical transmission with the lower gear.
Preferably, the sealing device further comprises a sealing ring, and the sealing ring is positioned between the transparent cover and the supporting plate.
Preferably, the welding is ultrasonic welding.
Preferably, a circle of bulges are arranged on the lower plane of the transparent cover and used for ultrasonic welding.
The embodiment of the utility model provides an eccentric magnetic transmission core for water gauge, to the inefficiency that adopts screw fixation translucent cover and layer board subassembly to lead to among the prior art, the smooth silk easily when the screw is screwed, layer board subassembly is scrapped easily, translucent cover and layer board subassembly through the screw connection are easy to appear sealed not tight, cause water infiltration gear box inside, cause fog, influence reading scheduling problem, remove the screw, change the welded mode into, make translucent cover and layer board sealed reliable, reduced because of the local sealed probability that does not tightly cause the infiltration, make the reading keep clear for a long time;
aiming at the problems that in the prior art, two magnetic steels work in a direct magnetic coupling mode, when a valve is rapidly opened to about 1.5 times of large flow under high pressure, the phenomenon of asynchronous magnetic transmission is easy to occur, the magnetic transmission is not reliable enough, a lower magnetic steel is arranged on an impeller assembly, an upper magnetic steel on a central gear drives the impeller to rotate through magnetic steel coupling, the initial flow is large, the ratio which can be reached is low, and the like, a lower transmission gear is additionally arranged, the impeller assembly and the lower transmission gear are in mechanical transmission and are in stable transmission, the lower magnetic steel in the lower transmission gear is coupled with the upper magnetic steel in the upper transmission gear, and after primary speed reduction is carried out on the impeller assembly and the lower transmission gear, the speed of magnetic steel coupling is greatly reduced, and the reliability of the magnetic transmission is ensured; compared with the prior impeller assembly, the lower transmission gear is lighter, the lower transmission gear and the impeller assembly adopt mechanical transmission, the sensitivity is improved when the lower transmission gear and the impeller assembly are magnetically coupled, and the ratio which can be achieved is obviously improved compared with the prior product (the prior ratio R80 is improved to R125).
Drawings
Fig. 1 is a schematic structural view of an eccentric magnetic transmission movement for a water meter in the prior art;
fig. 2 is a front view of an eccentric magnetic transmission movement for a water meter according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is an enlarged structural view of a portion B in fig. 2.
In the drawings: 1-a transparent cover; 2, sealing rings; 3-a supporting plate; 4-an up-transfer gear; 5-upper magnetic steel; 6-a down gear; 7-lower magnetic steel; 8-impeller assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The following detailed description is provided to illustrate specific embodiments of the present invention.
As shown in fig. 1 to fig. 3, a structure diagram of an eccentric magnetic transmission movement for a water meter according to an embodiment of the present invention includes:
the transparent cover 1 is welded with the supporting plate 3;
the lower magnetic steel 7 is arranged on the lower transmission gear 6;
the upper magnetic steel 7 is coupled with the upper magnetic steel 5.
Specifically, the device further comprises an impeller assembly 8, and the impeller assembly 8 is in mechanical transmission with the downward transmission gear 6.
In an embodiment of the utility model, the eccentric magnetic transmission core for the water meter aims at the low efficiency caused by adopting the screw to fix the transparent cover and the supporting plate component in the prior art, the screw is easy to slip when screwing, the supporting plate component is easy to scrap, the transparent cover and the supporting plate component connected by the screw are easy to have poor sealing, water seeps into the gear box, fog is caused, the reading is influenced, and the like, the screw is removed, the welding mode is changed, the transparent cover 1 and the supporting plate 3 are reliable in sealing, the probability of water seepage caused by partial sealing non-tightness is reduced, and the reading is kept clear for a long time;
aiming at the problems that in the prior art, two magnetic steels work in a direct magnetic coupling mode, when a valve is rapidly opened to about 1.5 times of large flow under high pressure, the phenomenon of asynchronous magnetic transmission is easy to occur, the magnetic transmission is not reliable enough, the lower magnetic steel is arranged on an impeller assembly, the upper magnetic steel on a central gear drives an impeller to rotate through magnetic steel coupling, the initial flow is large, the ratio which can be reached is low, and the like, a lower transmission gear 6 is additionally arranged, the impeller assembly 8 and the lower transmission gear 6 are in mechanical transmission and are in stable transmission, the lower magnetic steel 7 in the lower transmission gear 6 is coupled with the upper magnetic steel 5 in an upper transmission gear 4, and after primary speed reduction is carried out on the impeller assembly 8 and the lower transmission gear 6, the speed of magnetic steel coupling is greatly reduced, so that the reliability of the magnetic transmission is ensured; the lower transmission gear 6 is lighter than the impeller component 8 before the modification, the lower transmission gear 6 and the impeller component 8 adopt mechanical transmission, the sensitivity is improved when the lower transmission gear 6 and the impeller component 8 are magnetically coupled with the upper transmission gear 4, and the ratio which can be achieved is obviously improved compared with the existing product (the existing ratio R80, the ratio is improved to R125 after the modification).
As shown in fig. 2, as another preferred embodiment of the present invention, the present invention further comprises a sealing ring 2, wherein the sealing ring 2 is located between the transparent cover 1 and the supporting plate 3.
Through setting up sealing washer 2, improved the sealed effect of translucent cover 1 with layer board 3.
As shown in fig. 2, as a preferred embodiment of the present invention, the welding is ultrasonic welding.
Specifically, a circle of protrusions are arranged on the lower plane of the transparent cover 1 and used for ultrasonic welding.
The round of welding is raised on the plane under the sealing ring 2, and the supporting plate 3, the transparent cover 1 and the sealing ring 2 are welded by ultrasonic waves, so that the production efficiency is effectively improved, the sealing is reliable, the probability of water seepage caused by partial sealing is reduced, and the reading is kept clear for a long time.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. An eccentric magnetic drive core for a water meter, comprising:
the transparent cover (1), the transparent cover (1) is welded with the supporting plate (3);
the lower magnetic steel (7) is arranged on the lower transmission gear (6);
the transmission gear is characterized in that the transmission gear is provided with an upper transmission gear (4), an upper magnetic steel (5) is arranged on the upper transmission gear (4), and a lower magnetic steel (7) is coupled with the upper magnetic steel (5).
2. An eccentric magnetic drive movement for a water meter according to claim 1, further comprising an impeller assembly (8), said impeller assembly (8) being in mechanical communication with the down-drive gear (6).
3. An eccentric magnetic drive movement for a water meter according to claim 1, further comprising a sealing ring (2), said sealing ring (2) being located between the transparent cover (1) and the support plate (3).
4. The eccentric magnetic drive cartridge for a water meter of claim 3, wherein the weld is an ultrasonic weld.
5. An eccentric magnetic drive movement for a water meter according to claim 4, characterized in that a circle of protrusions for ultrasonic welding are provided on the lower plane of the transparent cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222489355.4U CN218066620U (en) | 2022-09-20 | 2022-09-20 | Eccentric magnetic transmission core for water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222489355.4U CN218066620U (en) | 2022-09-20 | 2022-09-20 | Eccentric magnetic transmission core for water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218066620U true CN218066620U (en) | 2022-12-16 |
Family
ID=84410124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222489355.4U Active CN218066620U (en) | 2022-09-20 | 2022-09-20 | Eccentric magnetic transmission core for water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218066620U (en) |
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2022
- 2022-09-20 CN CN202222489355.4U patent/CN218066620U/en active Active
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