Rust-proof water meter shell

Abstract

The rust-proof water meter shell comprises a main body and a meter cover, a plurality of first connecting bases are arranged on the periphery of the main body, a plurality of second connecting bases corresponding to the first connecting bases are arranged on the periphery of the meter cover, and the first connecting bases and the second connecting bases which correspond to each other up and down are connected through sealing connecting units; the first connecting seat is provided with a threaded hole, the second connecting seat is provided with a mounting hole and a connecting hole which are coaxial and communicated, the connecting hole is close to the threaded hole adjacent to the connecting hole, and the upper end of the mounting hole is open; the outer diameter of the upper part of the connecting piece is larger than the inner diameter of the connecting hole, and the lower part of the connecting piece is matched with the threaded hole; the main body and the meter cover are connected through a connecting piece which is detachably connected in the connecting hole and the threaded hole. The sealing piece can seal the upper portion of the mounting hole, water vapor corrosion to the connecting piece is reduced, and the phenomenon that water seepage of the water meter occurs due to corrosion of the connecting piece or the main body and the meter cover are difficult to open when the main body and the meter cover are detached is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water gauge technical field, concretely is a rustproof water gauge watch case. BACKGROUND

[0002] Water gauge watch case is an important component of water gauge, mainly plays the role of protecting internal machinery and electronic components. The watch case generally includes a main body and a cover, the main body is used for installing the internal components of the water gauge, the cover is installed on one side of the main body, used for reading the dial and maintaining the water gauge. The main body and the cover of the prior art are usually connected by a plurality of bolts, the installation position of the water gauge is generally in a dark and humid well, after long-term use, the bolts will rust, the seriously rusted bolts may be stuck, cannot be normally disassembled and replaced, affecting maintenance and overhaul; and after the bolts rust, the sealing property around the bolt hole decreases, which may cause water to seep into the inside of the water gauge, affecting the normal work of the internal components. SUMMARY

[0003] To solve the technical problems in the above background art, the utility model provides a rustproof water gauge watch case.

[0004] The utility model technical scheme is as follows:

[0005] A rustproof water gauge watch case, the watch case includes a main body and a watch cover, the outer periphery of the main body is provided with a plurality of first connecting seats, the outer periphery of the watch cover is provided with a plurality of second connecting seats corresponding to the first connecting seats, the first connecting seat and the second connecting seat corresponding up and down are connected through a sealing connection unit;

[0006] The first connecting seat is provided with a threaded hole, the second connecting seat is provided with an installation hole and a connecting hole coaxially and in communication, the connecting hole is close to the threaded hole adjacent thereto, and the upper end of the installation hole is an opening;

[0007] The sealing connection unit includes a connecting piece and a sealing piece arranged on the upper part of the connecting piece, the upper part of the connecting piece has an outer diameter greater than the inner diameter of the connecting hole, and the lower part of the connecting piece is matched with the threaded hole;

[0008] The main body and the watch cover are connected through the connecting piece connected in the connecting hole and the threaded hole, the sealing piece is arranged in the installation hole, and the outer surface of the upper part of the sealing piece is tightly attached to the inner wall of the installation hole.

[0009] The main body and the watch cover are connected through the connecting piece, the connecting piece is a bolt, and the upper part of the connecting piece is sealed and connected through the sealing piece arranged above the connecting piece and located in the installation hole. The sealing piece is a sealing piece made of rubber material, which has the functions of durability, corrosion resistance and excellent sealing effect. The sealing piece can seal the upper part of the installation hole, reduce the corrosion of the connecting piece by water vapor, and reduce the phenomenon that the water gauge leaks or the main body and the watch cover are difficult to open when disassembled.

[0010] The structure of the mounting hole and the sealing member is that a sealing hole, which is in communication with the connecting hole, is formed at the lower end of the mounting hole, the inner diameter of the sealing hole is smaller than the inner diameter of the mounting hole, the lower part of the sealing member is matched with the sealing hole, and the outer surface of the lower part of the sealing member is tightly attached to the inner part of the sealing hole; the sealing member has a structure of wide upper part and narrow lower part, and forms a layered structure, which can improve the contact area with the mounting hole, improve the waterproof effect, and facilitate the removal.

[0011] In order to improve the sealing effect of the sealing member on the upper part of the connecting member, a clamping groove matched with the upper part of the connecting member is formed at the lower part of the sealing member, and the clamping groove is matched with the upper part of the sealing member, so that the sealing member can be directly clamped on the upper part of the sealing member during installation, and the positioning effect of the sealing member is facilitated.

[0012] The specific structure of the sealing member is that the sealing member comprises an upper cover, a center rod arranged at the lower end of the upper cover, and a sealing rubber body arranged outside the center rod, the outer surface of the sealing rubber body is tightly attached to the inner wall of the mounting hole and the sealing hole, the center rod is coaxially arranged with the upper cover, the lower surface of the upper cover is adhesively and sealingly connected with the upper end surface of the sealing member, the center rod can be inserted and connected with the upper part of the connecting member, and the sealing member is made of rubber; if the sealing member is too long to be smoothly pressed downward to the upper part of the connecting member, the center rod is arranged to facilitate the removal of the sealing member and the pressing of the sealing member downward.

[0013] In order to smoothly remove the sealing member when the upper cover and the center rod are lifted upward, an annular baffle is arranged at the lower part of the center rod, the annular baffle is located below the upper end surface of the clamping groove, and the outer diameter of the annular baffle is greater than the outer diameter of the center hole.

[0014] In order to make the upper cover have a waterproof effect and facilitate the removal of the sealing member, the outer diameter of the upper cover is greater than the outer diameter of the upper end surface of the sealing member, and the upper cover is located above the mounting hole.

[0015] In order to facilitate the installation of the sealing member and the center rod, a dismounting groove is formed at the upper end surface of the connecting member, the dismounting groove is used for tightening or loosening the connecting member, the lower end of the center rod is matched with the dismounting groove, the center rod drives the sealing member to move downward during installation, and the center rod is abutted against the dismounting groove of the connecting member, so that the loosening of the connecting member is prevented.

[0016] The beneficial effects of the utility model lie in:

[0017] The main body and the cover are detachably connected through the plurality of sealing connection units arranged at different positions, the main body and the cover are connected through the connecting member, the sealing member is arranged in the same mounting hole, the sealing member is located at the upper part of the connecting member, the clamping groove at the lower part of the sealing member is directly clamped on the upper part of the sealing member, and the sealing member has the sealing and positioning effects;

[0018] In order to facilitate the longer sealing member to be downwardly pressed to the upper part of the connecting member, the central rod is arranged in the middle part of the sealing member, the upper part of the central rod is provided with the upper cover which can be easily disassembled, the central rod can drive the sealing member to move up and down on the mounting hole and the connecting hole, and the central rod can also press the connecting member, so that the loosening phenomenon of the connecting member during long-term use is avoided, and the stable connection of the main body and the cover is affected. BRIEF DESCRIPTION OF DRAWINGS

[0019] In the drawings:

[0020] Figure 1 is a top view structure schematic diagram;

[0021] Figure 2 is a front view;

[0022] Figure 3 is Figure 1 A-A sectional view structure schematic diagram of;

[0023] Figure 4 is Figure 3 the enlarged structure schematic diagram of A;

[0024] Figure 5 is the structure schematic diagram of the upper cover and the central rod;

[0025] Figure 6 is the structure schematic diagram of the sealing member;

[0026] Figure 7 is the structure schematic diagram of the sealing rubber body;

[0027] Figure 8 is the structure schematic diagram of the sealing member, the connecting member and the annular baffle;

[0028] The components represented by the respective reference signs in the drawings are:

[0029] 1, main body; 11, first connecting seat; 111, threaded hole; 2, cover; 21, second connecting seat; 211, mounting hole; 212, sealing hole; 213, connecting hole; 3, connecting member; 31, disassembly groove; 4, sealing member; 41, sealing rubber body; 411, clamping groove; 42, upper cover; 43, central rod; 5, annular baffle. DETAILED DESCRIPTION

[0030] Referring to Figure 1 , Figure 2 and Figure 3As shown in the figure, a kind of rustproof water meter watch case, watch case includes main body 1 and watch cover 2, the outer periphery of main body 1 is equipped with a plurality of first connecting seat 11, the outer periphery of watch cover 2 is equipped with a plurality of second connecting seat 21 corresponding with first connecting seat 11, six first connecting seat 11 and six second connecting seat 21 are provided in the embodiment, and the first connecting seat 11 and the second connecting seat 21 corresponding in up and down are connected by sealing connection unit, i.e. sealing connection unit is provided with six groups.

[0031] As shown in the figure, Figure 4 and Figure 5 As shown in the figure, first connecting seat 11 is equipped with threaded hole 111, second connecting seat 21 is equipped with mounting hole 211 and connecting hole 213 coaxially and in communication, connecting hole 213 is close to the threaded hole 111 adjacent to it, and the upper end of mounting hole 211 is open. The structure of the above mounting hole 211 and sealing element 4 is that the lower end of mounting hole 211 is provided with sealing hole 212 communicated with connecting hole 213, and the inner diameter of sealing hole 212 is less than the inner diameter of mounting hole 211.

[0032] As shown in the figure, Figure 3 , Figure 4 and Figure 8 As shown in the figure, sealing connection unit includes connecting piece 3 and sealing element 4 arranged on the upper portion thereof, the outer diameter of the upper portion of connecting piece 3 is greater than the inner diameter of connecting hole 213, the lower portion of connecting piece 3 is adapted to threaded hole 111, and connecting piece 3 is used to connect main body 1 and watch cover 2.

[0033] Main body 1 and watch cover 2 are connected by connecting piece 3 detachably connected in connecting hole 213 and threaded hole 111, sealing element 4 is arranged in mounting hole 211, and the outer surface of the upper portion of sealing element 4 is close to the inner wall of mounting hole 211.

[0034] As shown in the figure, Figure 3 , Figure 4 , Figure 6 , Figure 7 and Figure 8As shown, the lower part of the sealing member 4 is adapted to the sealing hole 212, and the outer surface of the lower part of the sealing member 4 is tightly attached to the inner part of the sealing hole 212. The sealing member 4 has a structure of wide top and narrow bottom, forming a layered structure, which can improve the contact area with the mounting hole 211 and improve the waterproof effect, and is convenient to take out. The specific structure of the sealing member 4 is that the sealing member 4 comprises an upper cover 42, a center rod 43 arranged at the lower end thereof, and a sealing rubber body 41 arranged outside the center rod 43. The sealing rubber body 41 has a structure of wide top and narrow bottom, and the outer surface of the sealing rubber body 41 is tightly attached to the inner wall of the mounting hole 211 and the sealing hole 212, respectively. The center rod 43 is coaxially arranged with the upper cover 42, and the lower surface of the upper cover 42 is adhesively and sealingly connected to the upper end surface of the sealing member 4. The center rod 43 can be insertedly connected to the upper part of the connecting member 3 through the sealing member 4. The sealing member 4 is made of rubber. If the sealing member 4 is too long to be pressed down to the upper part of the connecting member 3, the center rod 43 is arranged to facilitate the taking out of the sealing member 4 and the pressing down of the sealing member 4.

[0035] In the above structure, the main body 1 and the cover 2 are detachably connected through a plurality of sealing connection units arranged at different positions. The main body 1 and the cover 2 are first connected through the connecting member 3, which is a bolt. The sealing member 4 is arranged in the same mounting hole 211 and located at the upper part of the connecting member 3. The clamping groove 411 of the lower part of the sealing member 4 is directly clamped on the upper part of the sealing member 4, which has a sealing and positioning effect on the sealing member 4.

[0036] In order to improve the sealing effect of the sealing member 4 on the upper part of the connecting member 3, the lower part of the sealing rubber body 41 is provided with a clamping groove 411 adapted to the upper part of the connecting member 3. The clamping groove 411 is adapted to the upper part of the sealing member 4 and can be directly clamped on the upper part of the sealing member 4 during installation, which facilitates the positioning of the sealing member 4.

[0037] Referring to Figure 4 , Figure 6 and Figure 8 , in order to facilitate the smooth taking out of the sealing member 4 when the upper cover 42 and the center rod 43 are lifted, the lower part of the center rod 43 is provided with an annular baffle 5, which is located below the upper end surface of the clamping groove 411, and the outer diameter of the annular baffle 5 is greater than the outer diameter of the center hole. In order to make the upper cover 42 have a waterproof effect and facilitate the taking out of the sealing member 4, the outer diameter of the upper cover 42 is greater than the outer diameter of the upper end surface of the sealing member 4, and the upper cover 42 is located above the mounting hole 211.

[0038] Referring to Figure 8 , in order to facilitate the installation of the sealing member 4 and the center rod 43, the upper end surface of the connecting member 3 is provided with a dismounting groove 31 for tightening or loosening the connecting member 3. The lower end of the center rod 43 is adapted to the dismounting groove 31. The center rod 43 drives the sealing member 4 to move downward during installation, and the lower part of the center rod 43 is stopped at the dismounting groove 31 of the connecting member 3, which can also prevent the loosening of the connecting member 3.

Claims

1. A rustproof water meter case, said case comprising a main body (1) and a cover (2), characterized in that, The main body (1) is provided with a plurality of first connecting seats (11) on the outer periphery, the cover (2) is provided with a plurality of second connecting seats (21) corresponding to the first connecting seats (11) on the outer periphery, and the first connecting seat (11) and the second connecting seat (21) corresponding to each other are connected through a sealing connection unit; The first connecting seat (11) is provided with a threaded hole (111), the second connecting seat (21) is provided with a mounting hole (211) and a connecting hole (213) coaxially and in communication, the connecting hole (213) is close to the threaded hole (111) adjacent thereto, and the upper end of the mounting hole (211) is open; The sealing connection unit comprises a connecting piece (3) and a sealing piece (4) arranged at the upper portion of the connecting piece (3), the upper portion of the connecting piece (3) has an outer diameter greater than the inner diameter of the connecting hole (213), and the lower portion of the connecting piece (3) is matched with the threaded hole (111); The main body (1) and the cover (2) are connected through the connecting piece (3) which is detachably connected in the connecting hole (213) and the threaded hole (111), the sealing piece (4) is arranged in the mounting hole (211), and the outer surface of the upper portion of the sealing piece (4) is tightly attached to the inner wall of the mounting hole (211).

2. A rustproof water meter case according to claim 1, characterized in that The lower end of the mounting hole (211) is provided with a sealing hole (212) in communication with the connecting hole (213), the inner diameter of the sealing hole (212) is smaller than the inner diameter of the mounting hole (211), the lower portion of the sealing piece (4) is matched with the sealing hole (212), and the outer surface of the lower portion of the sealing piece (4) is tightly attached to the inside of the sealing hole (212).

3. A rustproof water meter case according to claim 1, wherein The lower portion of the sealing piece (4) is provided with a clamping groove (411) matched with the upper portion of the connecting piece (3).

4. A rustproof water meter housing according to claim 3, wherein The sealing piece (4) comprises an upper cover (42), a center rod (43) arranged at the lower end of the upper cover (42), and a sealing rubber body (41) arranged outside the center rod (43), the center rod (43) is coaxially arranged with the upper cover (42), and the center rod (43) can be insertedly connected with the upper portion of the connecting piece (3) through the sealing piece (4).

5. A rustproof water meter housing according to claim 4, wherein The lower portion of the center rod (43) is provided with an annular baffle (5), the annular baffle (5) is located below the upper end surface of the clamping groove (411), and the outer diameter of the annular baffle (5) is greater than the outer diameter of the center hole.

6. A rustproof water meter housing according to claim 4, wherein The outer diameter of the upper cover (42) is greater than the outer diameter of the upper end surface of the sealing piece (4), and the upper cover (42) is located above the mounting hole (211).

7. A rustproof water meter housing according to claim 4, wherein The upper end surface of the connecting piece (3) is provided with a dismounting groove (31), and the lower end of the center rod (43) is matched with the dismounting groove (31).

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