CN212620955U

CN212620955U - Water meter cover

Info

Publication number: CN212620955U
Application number: CN202021724413.1U
Authority: CN
Inventors: 毛礼国; 毛庆丰
Original assignee: Yuhuan Zhanfan Machinery Co ltd
Current assignee: Zhejiang Zhanfan Industry Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-02-26
Anticipated expiration: 2030-08-18

Abstract

The utility model provides a water gauge table lid belongs to water gauge accessory technical field. The water meter solves the problems that the existing water meter glass and the meter shell are fixedly connected in a locking way, cannot be detached and are not easy to replace. This water gauge table lid is provided with when the main part screwed connection of table cover body and water gauge on the table cover body, makes the table cover body be connected spacing structure with the main part of water gauge, the edge of the upper end of table cover body has the undergauge ring of making with table cover body an organic whole, forms axial inner step between undergauge ring and the table cover body, be equipped with transparent subassembly in the undergauge ring of table cover body, be provided with between transparent subassembly and the table cover body and enable transparent subassembly and table cover body relatively fixed complex assembly structure. The utility model discloses structural stability is high, and circular glass assembles on the table cover body through the assembly cover, dismantles, convenient assembling, washs, changes the convenience, convenient to use.

Description

Water meter cover

Technical Field

The utility model belongs to the technical field of the water gauge accessory, a water gauge table lid is related to.

Background

The water meter is a common quantity counting instrument and can be widely seen on a tap water pipe, the traditional water meter comprises a water meter core, a water meter cover and other parts, the existing water meter cover is mostly made of recyclable materials, and the water meter cover also needs to be protected from theft in the using process.

The structure of the existing water meter cover is generally as follows: a cover body and a glass body assembled with the cover body, for example, chinese patent literature discloses a water meter cover [ application No.: 200820107742.4, respectively; authorization notice number: CN201173803Y ], the specific structure is: notches and small holes are arranged around the water meter cover. The specific assembly uses: the water meter is installed on the water pipe, the water pipe connecting pipe is connected with the meter shell through the connecting nut and the connecting pipe sealing washer, the nylon wire penetrates through the small hole on the edge of the meter cover of the water meter to be tied with the shell and then sealed by the lead, the water meter glass is positioned in the meter cover of the water meter, the cover gasket is arranged between the meter cover of the water meter and the water meter glass, the sealing washer is arranged between the meter shell and the water meter glass, and the water meter movement is fixed in the meter shell.

In the structure, the water meter glass is positioned inside the water meter cover, and the water meter cover, the water meter glass and the meter shell are fixedly connected in a locking way and cannot be detached under the anti-theft protection effect of the nylon wire and the lead seal; because the water meter glass is a fragile object, the water meter glass is easy to damage or deposit dust and is cleaned frequently at any time, but the water meter glass cannot be disassembled, and is inconvenient to assemble and disassemble and inconvenient to use.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a rational in infrastructure, simple, convenient dismantlement, assembly, stable in structure, convenient to use's water gauge table lid.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a water gauge table lid, is including being cylindric table cover body, the inner wall of table cover body on have the internal thread, this table cover body is used for the main part screwed connection with the water gauge through the internal thread, the table cover body on be provided with when the main part screwed connection of table cover body and water gauge, make the main part of table cover body and water gauge be connected spacing limit structure, the edge of the upper end of table cover body the undergauge ring of making with table cover body an organic whole, undergauge ring and table cover body between form axial inside step, a serial communication port, the undergauge ring of table cover body in be equipped with transparent subassembly, transparent subassembly and table cover body between be provided with and enable transparent subassembly and the relatively fixed complex assembly structure of table cover body.

This water gauge table lid mainly sets up assembly structure between transparent subassembly and table cover body, makes transparent subassembly and table cover body relatively fixed cooperation through assembly structure, also accessible assembly structure makes transparent subassembly and table cover body relatively separation, and transparent subassembly and table cover body are dismantled, convenient assembling, convenient to use.

In foretell water gauge table lid, transparent subassembly including the dress complete sets, the tip of the supporting upper end of dress have the edge of turning up, the supporting upper end of dress have annular assembly position, annular assembly position in the fixed circular glass of establishing of inlaying, when circular glass and annular assembly position are fixed, the upper surface on this circular glass and the upper surface on the edge of turning up flush. The purpose of the arrangement is to facilitate the axial assembly of the assembly sleeve and the round glass, and the assembly is convenient.

In foretell water gauge table lid, the assembly cover with the axial screens wear to locate in the reducing ring of table cover body, when the assembly is supporting with the coaxial assembly of table cover body, the cooperation is supported by leaning on along the reducing ring axial of table cover body with the turn-up of this assembly supporting. The purpose that sets up like this is through the assembly of the complete set with the coaxial assembly of table cover body, avoids glass and table cover body direct assembly damage, and the breakage rate is low.

In foretell water gauge table lid, assembly structure include elasticity rubber ring and extrusion ring, the relative axial stack of elasticity rubber ring, extrusion ring distribute on the axial inner step that forms between undergauge ring and nut body, this elasticity rubber ring is located between undergauge ring, the extrusion ring of table cover body, the assembly cover wear to locate in the undergauge ring of table cover body and extend to elasticity rubber ring and extrusion ring. When the meter cover body and the main body of the water meter are screwed tightly, the main body of the water meter is axially abutted against the extrusion ring, the extrusion ring is axially abutted against the elastic rubber ring, and the elastic rubber ring is radially and inwardly deformed to expand the outer wall of the assembly set so that the assembly set and the meter cover body are relatively fixed; when the main part spiral of table cover body and water gauge is not hard up, this elasticity rubber ring elasticity resets, this elasticity rubber ring and assembly cover adaptation.

In foretell water gauge table lid, the lower surface of elasticity rubber ring for from top to bottom interior slope distribution's toper face, the upper surface of extrusion ring for from top to bottom interior slope distribution's toper spigot surface, the toper face of elasticity rubber ring and the toper spigot surface slope of extrusion ring lean on the cooperation. The purpose of setting up like this is to make better radial inward deformation of elastic rubber ring, stable in structure.

In the above-mentioned water gauge table lid, limit structure include that the lower limb circumference interval distribution of table cover body has the lug that is the axial setting, the lug be used for wearing to establish the locating pin, when the main part screwed connection of table cover body and water gauge, wear to establish the locating pin in the lug and fix with the main part of water gauge and make the relative fixed cooperation of table cover body and water gauge's main part. When the positioning pin is actually used, the positioning pin penetrates through the lug and is then subjected to lead sealing treatment, the structure is stable, and the service life is long.

In the water meter cover, the edge of the upper end of the cover body is circumferentially provided with notches which are axially and obliquely arranged outwards at intervals, and the notches are opposite to the lugs one by one. The purpose of the arrangement is that when the locating pin penetrates through the lug, the locating pin can be limited through the notch; in the actual manufacturing, the recess is formed by extrusion.

Compared with the prior art, this water gauge table lid's advantage does: structural design is reasonable, simple, and structural stability is high, and circular glass assembles on the table cover body through the assembly cover, dismantles, convenient assembling, washs, changes convenience, convenient to use.

Drawings

Fig. 1 is a schematic cross-sectional view of the cover of the water meter.

Fig. 2 is a schematic perspective view of a cover body in the cover of the water meter.

In the figure, 1, a watch case body; 2. an internal thread; 3. reducing the diameter of the ring; 4. assembling; 5. turning out the edges; 6. circular glass; 7. an elastic rubber ring; 8. an extrusion ring; 9. a tapered guide surface; 10. a lug; 11. a recess.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the meter cover of the water meter mainly comprises a cylindrical meter cover body 1, wherein the inner wall of the meter cover body 1 is provided with an internal thread 2, the meter cover body 1 is used for being in threaded connection with a main body of the water meter through the internal thread 2, and the meter cover body 1 is provided with a limiting structure which enables the meter cover body 1 to be connected with the main body of the water meter for limiting when the meter cover body 1 is in threaded connection with the main body of the water meter; during actual manufacturing, the specific implementation mode of the limiting structure is as follows: the lower edge of the meter cover body 1 is circumferentially provided with lugs 10 which are axially arranged at intervals, the lugs 10 are used for penetrating positioning pins, and when the meter cover body 1 is in threaded connection with the main body of the water meter, the positioning pins penetrating the lugs 10 are fixed with the main body of the water meter so that the meter cover body 1 is relatively and fixedly matched with the main body of the water meter; during actual design, notches 11 which are axially and obliquely outwards arranged are circumferentially distributed at intervals at the edge of the upper end of the watch case body 1, and the notches 11 are opposite to the lugs 10 one by one; the notch 11 is used for limiting the positioning pin.

The edge of the upper end of table cover body 1 has the undergauge ring 3 with table cover body 1 body one-piece manufacturing, forms axial inner step between undergauge ring 3 and the table cover body 1, is equipped with transparent subassembly in the undergauge ring 3 of table cover body 1, and when actual manufacturing, this transparent subassembly concrete implementation structure is: the glass assembling device mainly comprises an assembling sleeve 4, wherein an outward turning edge 5 is arranged at the end part of the upper end of the assembling sleeve 4, an annular assembling position is arranged at the upper end of the assembling sleeve 4, circular glass 6 is fixedly embedded in the annular assembling position, and when the circular glass 6 and the annular assembling position are fixed, the upper surface of the circular glass 6 is flush with the upper surface of the outward turning edge 5; this assembly cover 4 is worn to locate in the reducing ring 3 of table cover body 1 with the axial screens, and when the assembly is complete 4 with the coaxial assembly of table cover body 1, this assembly cover 4 turns up along 5 and the cooperation is supported by leaning on to the reducing ring 3 axial of table cover body 1.

An assembly structure which can enable the transparent component and the watch cover body 1 to be relatively fixedly matched is arranged between the transparent component and the watch cover body 1; in actual manufacturing, the specific implementation of the assembly structure is as follows: the elastic rubber ring 7 and the extrusion ring 8 are axially overlapped and distributed on an axial inner step formed between the reducing ring 3 and the nut body relatively, the elastic rubber ring 7 is positioned between the reducing ring 3 and the extrusion ring 8 of the watch cover body 1, and the assembling sleeve 4 is arranged in the reducing ring 3 of the watch cover body 1 in a penetrating manner and extends into the elastic rubber ring 7 and the extrusion ring 8; specifically speaking: the lower surface of the elastic rubber ring 7 is a conical surface which is obliquely distributed from top to bottom, the upper surface of the extrusion ring 8 is a conical guide surface 9 which is obliquely distributed from top to bottom, and the conical surface of the elastic rubber ring 7 and the conical guide surface 9 of the extrusion ring 8 are obliquely abutted to be matched.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A water meter cover comprises a cylindrical meter cover body (1), wherein the inner wall of the meter cover body (1) is provided with internal threads (2), the meter cover body (1) is in threaded connection with the main body of the water meter through the internal thread (2), the meter cover body (1) is provided with a limit structure which enables the meter cover body (1) to be connected with the main body of the water meter for limiting when the meter cover body (1) is in screw connection with the main body of the water meter, the edge of the upper end of the watch cover body (1) is provided with a reducing ring (3) which is integrally manufactured with the watch cover body (1), an axial inner step is formed between the reducing ring (3) and the watch cover body (1), it is characterized in that a reducing ring (3) of the watch cover body (1) is internally provided with a transparent component, an assembly structure which can enable the transparent component and the watch cover body (1) to be relatively fixedly matched is arranged between the transparent component and the watch cover body (1).

2. A water meter cover as claimed in claim 1, wherein said transparent member comprises a fitting body (4), an upper end of said fitting body (4) has an outwardly turned rim (5), an upper end of said fitting body (4) has a ring fitting position, a circular glass (6) is fixedly fitted in said ring fitting position, and when said circular glass (6) and said ring fitting position are fixed, an upper surface of said circular glass (6) is flush with an upper surface of said outwardly turned rim (5).

3. A water meter cover according to claim 2, wherein the mounting member (4) is axially retained in a diameter-reducing ring (3) of the case body (1), and when the mounting member (4) and the case body (1) are coaxially mounted, the outward-turning edge (5) of the mounting member (4) and the diameter-reducing ring (3) of the case body (1) are axially abutted and engaged.

4. A water meter cover according to claim 3, wherein the assembly structure includes an elastic rubber ring (7) and an extrusion ring (8), the elastic rubber ring (7) and the extrusion ring (8) are axially stacked and distributed on an axial inner step formed between the diameter reduction ring (3) and the nut body, the elastic rubber ring (7) is located between the diameter reduction ring (3) and the extrusion ring (8) of the meter cover body (1), and the assembly sleeve (4) is inserted into the diameter reduction ring (3) of the meter cover body (1) and extends into the elastic rubber ring (7) and the extrusion ring (8).

5. A water meter cover according to claim 4, wherein the lower surface of the elastic rubber ring (7) is a tapered surface inclined inward from top to bottom, the upper surface of the pressing ring (8) is a tapered guide surface (9) inclined inward from top to bottom, and the tapered surface of the elastic rubber ring (7) and the tapered guide surface (9) of the pressing ring (8) are inclined and abutted.

6. A water meter cover according to claim 5, wherein the limiting structure comprises axially-arranged lugs (10) circumferentially and alternately distributed on the lower edge of the cover body (1), the lugs (10) are used for penetrating positioning pins, and when the cover body (1) is screwed with the main body of the water meter, the positioning pins penetrating the lugs (10) are fixed with the main body of the water meter so that the cover body (1) is relatively and fixedly matched with the main body of the water meter.

7. A water meter cover according to claim 6, wherein the upper end of the cover body (1) has notches (11) spaced circumferentially and arranged in an axially outwardly inclined manner, the notches (11) and the lugs (10) being in one-to-one correspondence.