CN217900937U - Sealing structure of rotary-wing water meter - Google Patents
Sealing structure of rotary-wing water meter Download PDFInfo
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- CN217900937U CN217900937U CN202221516202.8U CN202221516202U CN217900937U CN 217900937 U CN217900937 U CN 217900937U CN 202221516202 U CN202221516202 U CN 202221516202U CN 217900937 U CN217900937 U CN 217900937U
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- watch
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- character wheel
- sealing washer
- interference fit
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Abstract
The utility model discloses a seal structure of rotor formula water gauge, including watchcase, table glass, table cover and table core, character wheel window sealing washer, table glass and display lens surround and form first enclosure space, and table core sealing washer, last casing, table glass and character wheel window sealing washer surround and form the second enclosure space. Adopt the utility model provides a pair of seal structure of rotor type water gauge through setting up character wheel window sealing washer and table core sealing washer, not only can effectively seal up the gap between casing and the character wheel window and the gap between reason on table glass and the last casing, can form first enclosure space and second enclosure space in addition, avoids dirty entering and leads to table glass and display lens to appear fuzzy to can not influence artifical reading.
Description
Technical Field
The utility model belongs to the technical field of the water gauge, concretely relates to seal structure of rotor formula water gauge.
Background
Water meters are very common in everyday life, are a type of meter used to measure the flow of water, and are typically used to measure the cumulative flow of water.
The problem of current water gauge not only because there is the gap between last casing and the character wheel window because structural design's problem, leads to the water in the pipeline probably to leak between last casing and the table glass, moreover because there is the gap between the upper reason of table glass and last casing, leads to external dust or sewage probably to get into, causes the inside scale deposit of table glass after long-term the use, appears fuzzy problem, influences artifical reading.
It is urgent to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a seal structure of rotor type water gauge to solve prior art, there is the gap between last casing and the character wheel window, the problem that has the gap between the reason of table glass and the last casing.
The technical scheme is as follows:
a seal structure of a rotary wing type water meter comprises a meter shell, a meter glass, a meter cover and a meter core, wherein the meter core comprises a gear box arranged in the meter shell, a character wheel arranged in the gear box, a character wheel window sleeved on the character wheel and an upper shell covering the gear box, the meter glass covers the upper shell of the meter core and is locked by the meter cover, a display lens is convexly formed at the top of the character wheel window, a lens through hole matched with the display lens is formed in the upper shell, and the display lens protrudes upwards from the lens through hole, and the seal structure is characterized in that: a character wheel window sealing ring in interference fit with the display lens and the lens through hole is arranged between the display lens and the lens through hole, and the upper edge of the character wheel window sealing ring is abutted to the lower surface of the watch glass in interference fit, so that the character wheel window sealing ring, the watch glass and the display lens are surrounded to form a first closed space;
the upper part of the outer peripheral surface of the upper shell is reduced in diameter to form a sealing step, the step surface of the sealing step is flush with the upper edge of the gear box, a meter core sealing ring is sleeved outside the sealing step and at least extends to the upper edge of the gear box along the radial direction, the upper surface of the meter core sealing ring is in interference fit with the lower surface of the meter glass, and the lower surface of the meter core sealing ring is in interference fit with the step surface of the sealing step and the upper edge of the gear box, so that the meter core sealing ring, the upper shell, the meter glass and the character wheel window sealing ring are surrounded to form a second closed space.
Preferably, the method comprises the following steps: the step surface of the sealing step and the upper edge of the gear box are flush with the upper edge of the watch case, and the watch core sealing ring extends to the upper edge of the watch case along the radial direction, so that the lower surface of the watch core sealing ring is also in interference fit with the upper edge of the watch case.
By adopting the structure, the gap between the outer peripheral surface of the gear box and the inner peripheral surface of the watch case can be effectively sealed, and the structure is simple and reliable.
Preferably, the method comprises the following steps: one side of the meter core sealing ring close to the meter glass is reduced to form a sealing boss, and the upper surface of the sealing boss is in interference fit with the lower surface of the meter glass.
By adopting the structure, the reducing sealing boss is easier to deform, the interference fit effect can be effectively improved, and the sealing effect is further improved.
Preferably, the method comprises the following steps: the character wheel window sealing ring comprises a sealing ring main body with a cylindrical structure and a sealing ring flanging extending outwards from the lower edge of the sealing ring main body, wherein the inner side surface and the outer side surface of the sealing ring main body are arranged between the outer peripheral surface of the display lens and the hole wall of the lens via hole in an interference fit manner, the upper edge of the sealing ring main body is abutted to the lower surface of the watch glass in an interference fit manner, and the upper side surface and the lower side surface of the sealing ring flanging are respectively abutted to the lower surface of the upper shell and the upper surface of the character wheel window.
By adopting the structure, the sealing effect of the sealing ring of the character wheel window can be effectively improved.
Preferably, the method comprises the following steps: and the first closed space and the second closed space are filled with purified water.
Structure more than adopting realizes the water seal, can further prevent the water entering in the pipeline, especially avoids first enclosure space to appear fuzzy problem that influences artifical reading because of dirty.
Preferably, the method comprises the following steps: the upper shell is provided with an upward convex heightening step, the lens via hole is formed in the heightening step, the upper cover of the heightening step is provided with a decoration panel, a yielding via hole matched with the display lens is formed in the decoration panel, the display lens and the character wheel window sealing ring both upwards penetrate the yielding via hole, and the outer peripheral surface of the character wheel window sealing ring is in interference fit with the hole wall of the yielding via hole.
Structure more than adopting not only can shelter from decoration screw mounted position through the decoration panel, promotes the outward appearance aesthetic feeling, can further promote the sealed effect of character wheel window sealing washer moreover.
Preferably, the method comprises the following steps: the watch cover comprises a watch cover main body in a cylindrical structure and a watch cover flanging extending inwards from the upper edge of the watch cover main body, the watch cover main body is sleeved on the periphery of the watch shell, the watch core sealing ring and the watch glass, and a plastic gasket in interference fit with the lower surface of the watch cover flanging and the upper surface of the watch glass is arranged between the lower surface of the watch cover flanging and the upper surface of the watch glass.
By adopting the structure, the reliability of the installation of the meter cover is ensured, and the sealing effect is also ensured.
Preferably, the method comprises the following steps: the watch also comprises a watch ear and a watch cover which can be covered on the watch ear in an opening and closing way, the lower edge of the watch ear is provided with a watch ear mounting ring which is formed by turning outwards, and the outer edge of the watch ear mounting ring is embedded into a gap between the watch cover turning edge and the watch glass.
By adopting the structure, the installation is simple and reliable.
Compared with the prior art, the beneficial effects of the utility model are that:
adopt the utility model provides a pair of seal structure of rotor type water gauge through setting up character wheel window sealing washer and table core sealing washer, not only can effectively seal up the gap between casing and the character wheel window and the gap between reason on table glass and the last casing, can form first enclosure space and second enclosure space moreover, avoids dirty entering and leads to table glass and display lens to appear fuzzy to can not influence artifical reading.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of the upper housing;
FIG. 3 is a schematic view of the structure of the decorative panel;
FIG. 4 is a schematic structural view of the window of the print wheel;
FIG. 5 is a schematic structural view of a print wheel window seal ring;
fig. 6 is a schematic structural view of a case band seal.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a sealing structure of a rotary-wing water meter mainly includes a case 1, a watch glass 2, a watch case 3 and a watch core, wherein the watch core includes a gear box 8 disposed in the case 1, a character wheel 5 disposed in the gear box 8, a character wheel window 6 sleeved on the character wheel 5, and an upper case 4 covering the gear box 8, specifically, the gear box 8 is a box-shaped structure with an upper portion opened, and the upper case 4 covers a mouth portion of the gear box 8. The watch glass 2 is fitted over the upper case 4 of the watch movement and is locked by the watch case 3, namely: the cover 3 presses the watch glass 2 against the upper case 4.
Referring to fig. 1, 2, 4 and 5, a display lens 6a is formed at the top of the print wheel window 6, and the display lens 6a is usually colorless and transparent and is used for transmitting the reading of the print wheel 5. In this embodiment, the display lens 6a and the character wheel window 6 are integrally formed by glass or plastic, so that not only is the structural strength high, but also sealing can be realized in a matching manner. The upper shell 4 is provided with a lens through hole 4a1 matched with the display lens 6a, the display lens 6a protrudes upwards from the lens through hole 4a1, and a gap is usually formed between the lens through hole 4a1 and the display lens 6a, so that water in the pipeline may leak out, therefore, in the embodiment, a character wheel window sealing ring 7 in interference fit with the display lens 6a and the lens through hole 4a1 is arranged between the display lens 6a and the lens through hole 4a1, the character wheel window sealing ring 7 not only can effectively seal the gap between the lens through hole 4a1 and the display lens 6a, but also the upper edge of the character wheel window sealing ring 7 is abutted against the lower surface of the meter glass 2 in interference fit, so that the character wheel window sealing ring 7, the meter glass 2 and the display lens 6a surround to form a first closed space 10, and the condition that the meter glass 2 and the display lens 6a are blurred to influence manual reading due to entry of dirt can be avoided.
Furthermore, the upper part of the outer peripheral surface of the upper shell 4 is reduced in diameter to form a sealing step 4b, the step surface of the sealing step 4b is flush with the upper edge of the gear box 8, a meter core sealing ring 9 is sleeved outside the sealing step 4b, the meter core sealing ring 9 at least extends to the upper edge of the gear box 8 along the radial direction, the upper surface of the meter core sealing ring 9 is in interference fit with the lower surface of the meter glass 2, and the lower surface of the meter core sealing ring 9 is in interference fit with the step surface of the sealing step 4b and the upper edge of the gear box 8, so that the meter core sealing ring 9, the upper shell 4, the meter glass 2 and the character wheel window sealing ring 7 are surrounded to form a second closed space 11. Thereby the gap between the reason can effectively sealed table glass 2 and the last casing 4 of watch core sealing washer 9, can avoid dirty entering second enclosure 11, forms the enhancement protection to first enclosure 10 simultaneously.
Further, referring to fig. 1, the step face of the sealing step 4b and the upper edge of the gear box 8 are flush with the upper edge of the watch case 1, and the movement seal ring 9 extends radially to the upper edge of the watch case 1, so that the lower surface of the movement seal ring 9 is also in interference fit with the upper edge of the watch case 1, and the movement seal ring 9 can effectively seal the gap between the outer peripheral face of the gear box 8 and the inner peripheral face of the watch case 1, which is simple and reliable.
In addition, referring to fig. 1 and fig. 6, one side of the watch core sealing ring 9 close to the watch glass 2 is reduced in diameter to form a sealing boss 9a, the upper surface of the sealing boss 9a is in interference fit with the lower surface of the watch glass 2, and the reduced sealing boss 9a is more easily deformed, so that the interference fit effect can be effectively improved, and the sealing effect is further improved.
Referring to fig. 1 and 5, the print wheel window seal ring 7 includes a seal ring main body 7a having a cylindrical structure and a seal ring flange 7b extending outward from a lower edge of the seal ring main body 7a, an inner side surface and an outer side surface of the seal ring main body 7a are disposed between an outer peripheral surface of the display lens 6a and a hole wall of the lens via hole 4a1 in an interference fit manner, an upper edge of the seal ring main body 7a is abutted to a lower surface of the watch glass 2 in an interference fit manner, and upper and lower side surfaces of the seal ring flange 7b are respectively abutted to a lower surface of the upper housing 4 and an upper surface of the print wheel window 6, so that a sealing effect of the print wheel window seal ring 7 can be effectively improved, and water in a pipeline is prevented from leaking between the upper housing 4 and the watch glass 2.
Further, pure water is filled in the first closed space 10 and the second closed space 11, so that water sealing is realized in the first closed space 10 and the second closed space 11, water in a pipeline can be further prevented from entering, and the problem that manual reading is influenced due to the fact that the first closed space 10 is dirty and fuzzy is particularly avoided.
Referring to fig. 1 to 3, the upper housing 4 has an upward protruding heightening step 4a, the lens via hole 4a1 is opened on the heightening step 4a, the heightening step 4a is covered with a decoration panel 12, the decoration panel 12 is provided with a abdicating via hole 12a adapted to the display lens 6a, both the display lens 6a and the character wheel window seal ring 7 upwardly penetrate the abdicating via hole 12a, the outer peripheral surface of the character wheel window seal ring 7 is in interference fit with the hole wall of the abdicating via hole 12a, the decoration screw mounting hole 4a2 of the heightening step 4a can be shielded by the decoration panel 12, the aesthetic feeling of the appearance is improved, and the sealing effect of the character wheel window seal ring 7 can be further improved.
Please refer to fig. 1 the watch cover 3 includes a watch cover main body 3a in a cylindrical structure and a watch cover flange 3b extending inwards from the upper edge of the watch cover main body 3a, the watch cover main body 3a is sleeved around the watch case 1, the watch core seal ring 9 and the watch glass 2, a plastic gasket 13 in interference fit with the watch cover flange 3b and the watch glass 2 is arranged between the lower surface of the watch cover flange 3b and the upper surface of the watch glass 2, which not only ensures the installation reliability of the watch cover 3, but also ensures the sealing effect. In this embodiment, the cover 3 is made of stainless steel, does not rust, and has high corrosion resistance.
Referring to fig. 1, a lug 14 protruding upward from the cover 3 is mounted between the cover 3 and the watch glass 2, and specifically, a lug mounting ring 14a formed by folding back the lower edge of the lug 14 outward is provided, and the outer edge of the lug mounting ring 14a is fitted into a gap between the cover flange 3b and the watch glass 2. Meanwhile, the watch ears 14 are provided with openable and closable watch covers 15 to prevent the surface of the watch glass 2 from being dirty due to deposition.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (8)
1. The utility model provides a seal structure of rotor formula water gauge, includes watchcase (1), table glass (2), table cover (3) and table core, the table core is including setting up gear box (8) in watchcase (1), character wheel (5) of setting in gear box (8), word wheel window (6) of overcoat on character wheel (5) and closing last casing (4) on gear box (8), table glass (2) closure is on last casing (4) of table core to lock through table cover (3), the top protrusion of character wheel window (6) is formed with display lens (6 a), last casing (4) are seted up lens via hole (4 a 1) that suit with display lens (6 a), display lens (6 a) upwards protrusion in lens via hole (4 a 1), its characterized in that: a character wheel window sealing ring (7) in interference fit with the display lens (6 a) and the lens through hole (4 a 1) is arranged between the display lens (6 a) and the lens through hole, and the upper edge of the character wheel window sealing ring (7) is abutted to the lower surface of the watch glass (2) in interference fit, so that the character wheel window sealing ring (7), the watch glass (2) and the display lens (6 a) are surrounded to form a first closed space (10);
go up upper portion undergauge on casing (4) outer peripheral face and be formed with sealed step (4 b), the step face of this sealed step (4 b) flushes with the last reason of gear box (8), sealed step (4 b) overcoat is equipped with watch core sealing washer (9), and this watch core sealing washer (9) radially extends to the last reason of gear box (8) at least, and the upper surface of watch core sealing washer (9) and the lower surface interference fit of table glass (2), and the lower surface and the step face of sealed step (4 b) and the last reason interference fit of gear box (8) to make watch core sealing washer (9), go up casing (4), table glass (2) and character wheel window sealing washer (7) enclose and form second enclosure space (11).
2. A seal structure of a rotary-wing water meter according to claim 1, wherein: the step surface of the sealing step (4 b) and the upper edge of the gear box (8) are flush with the upper edge of the watchcase (1), and the watch core sealing ring (9) extends to the upper edge of the watchcase (1) in the radial direction, so that the lower surface of the watch core sealing ring (9) is also in interference fit with the upper edge of the watchcase (1).
3. A seal structure of a rotary-wing water meter according to claim 2, wherein: one side of the meter core sealing ring (9) close to the meter glass (2) is reduced in diameter to form a sealing boss (9 a), and the upper surface of the sealing boss (9 a) is in interference fit with the lower surface of the meter glass (2).
4. A seal structure of a rotary-wing water meter according to claim 1, wherein: character wheel window sealing washer (7) are including sealing washer main part (7 a) and the sealing washer turn-ups (7 b) of outside extension of self sealss circle main part (7 a) lower edge that are tube-shape structure, the inside and outside both sides surface interference fit ground of sealing washer main part (7 a) sets up between the outer peripheral face of display lens (6 a) and the pore wall of lens via hole (4 a 1), and the upper edge interference fit ground of sealing washer main part (7 a) with the lower surface butt of table glass (2), the upper and lower both sides surface of sealing washer turn-ups (7 b) respectively with the lower surface of last casing (4) and the upper surface butt of character wheel window (6).
5. A seal structure of a rotary-wing water meter according to any one of claims 1 to 4, wherein: the first closed space (10) and the second closed space (11) are filled with purified water.
6. A seal structure of a rotary-wing water meter according to claim 1, wherein: go up casing (4) and have upwards convex increase step (4 a), lens via hole (4 a 1) is seted up on increasing step (4 a), increase step (4 a) upper cover and have closed decoration panel (12), offer on this decoration panel (12) with display lens (6 a) looks adaptation abdicate in via hole (12 a), display lens (6 a) and character wheel window sealing washer (7) all upwards pass abdicate in via hole (12 a), the outer peripheral face of character wheel window sealing washer (7) and the pore wall interference fit of abdicate in via hole (12 a).
7. A seal structure of a rotary-wing water meter according to claim 1, wherein: the watch cover (3) comprises a watch cover main body (3 a) of a cylindrical structure and a watch cover flanging (3 b) extending inwards from the upper edge of the watch cover main body (3 a), the watch cover main body (3 a) is sleeved on the periphery of the watch case (1), the watch core sealing ring (9) and the watch glass (2), and a plastic gasket (13) in interference fit with the lower surface of the watch cover flanging (3 b) and the upper surface of the watch glass (2) is arranged between the lower surface of the watch cover flanging (3 b) and the upper surface of the watch glass (2).
8. A seal structure of a rotary-wing water meter according to claim 7, wherein: the watch is characterized by further comprising a watch ear (14) and a watch cover (15) which can be covered on the watch ear (14) in an opening and closing mode, wherein a watch ear mounting ring (14 a) formed by turning outwards is arranged on the lower edge of the watch ear (14), and the outer edge of the watch ear mounting ring (14 a) is embedded into a gap between the watch cover turning edge (3 b) and the watch glass (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221516202.8U CN217900937U (en) | 2022-06-17 | 2022-06-17 | Sealing structure of rotary-wing water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221516202.8U CN217900937U (en) | 2022-06-17 | 2022-06-17 | Sealing structure of rotary-wing water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217900937U true CN217900937U (en) | 2022-11-25 |
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ID=84129766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221516202.8U Active CN217900937U (en) | 2022-06-17 | 2022-06-17 | Sealing structure of rotary-wing water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217900937U (en) |
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2022
- 2022-06-17 CN CN202221516202.8U patent/CN217900937U/en active Active
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