An earless flanged table cover
By designing a flanged cover without ears and using structures such as internal threads, clamping plates, rings, and pressure plates, the problem of water meter covers being difficult to install other equipment has been solved, achieving convenient connection and highly safe water meter installation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG ZHANFAN IND CO LTD
- Filing Date
- 2025-10-24
- Publication Date
- 2026-07-24
AI Technical Summary
The existing water meter cover design does not take into account the installation of other equipment such as camera direct reading modules and pulse counting modules, making subsequent installation difficult.
Design a flanged cover without ears, including internal threads, clamping plates, rings, springs, lower pressure plates, and upper pressure plates, to achieve convenient installation and reinforcement, and enhance airtightness.
It simplifies the connection process between the water meter and other devices, avoids slippage and hand scratches when turning, and improves the convenience and safety of installation.
Smart Images

Figure CN224552472U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water meter technology, specifically to a water meter cover without flaps. Background Technology
[0002] Water meters are very common metering devices in modern life. As the main measuring mechanism in water meters, the proper protection of the water meter movement has always been an important issue in the water meter industry. The so-called protection is generally reflected in two aspects. First, it is to provide a suitable installation environment for the water meter movement, preventing the water meter mechanism from being directly exposed to the wind and sun, thereby avoiding a reduction in the service life of the water meter movement due to external environmental factors. Second, it is to prevent water theft by interfering with the water meter movement.
[0003] The main components of a traditional water meter with a lug-less, flip-up cover include the flip-up cover body, sealing ring, watch glass, movement assembly, watch case, and pointer or digital display. Some also include a filter and connection interface. The cover body has no lugs and is fastened to the watch case via a flip-up structure. The sealing ring and watch glass are for waterproofing and dustproofing. The movement assembly measures the water flow, and the display shows the water consumption data. Before use, first check that the cover, watch glass, and sealing ring are intact and free from damage or aging. Align the cover with the watch case, ensuring the sealing ring is properly fitted. Slowly snap the cover shut using the flip-up structure to ensure a tight connection with the watch case. Connect the water meter's inlet and outlet ports, turn on the water supply, and observe whether the pointer or digital display rotates normally to confirm there is no leakage.
[0004] However, most water meter covers are currently designed with only the ease of installation with the water meter casing in mind, without considering the installation of other equipment, such as water meter camera direct reading modules and pulse counting modules. Therefore, it is very difficult to add other equipment to the water meter later, such as water meter camera direct reading modules and pulse counting modules. Utility Model Content
[0005] The purpose of this utility model is to provide a flangeless water meter cover to solve the problem that most water meter covers are designed with the ease of installation on the water meter casing in mind, without considering the installation of other equipment, such as water meter camera direct reading modules and pulse counting modules. This makes it very difficult to install other equipment on the water meter later, such as water meter camera direct reading modules and pulse counting modules.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A watch cover without flaps, comprising an outer shell, the outer shell being arranged in a hollow cylindrical shape:
[0008] A connecting unit, comprising a clamping plate fixedly disposed on the inner wall of the outer casing, wherein the distance between multiple clamping plates is equal, the thickness of the clamping plate is not greater than the thickness of the outer casing, and an internal thread is provided on the inner wall of the outer casing. The connecting unit is used to fix the device body to the water meter.
[0009] The reinforcement unit includes a ring that is slidably disposed within the outer casing, a spring that is fixedly disposed on the ring, and the other end of the spring being fixedly connected to the outer casing. The reinforcement unit is used to reinforce the stability of the connection between the device and the water meter.
[0010] Preferably, the outer wall of the outer shell has slots, and the distance between each slot is equal, and the top edge of the outer shell is arc-shaped.
[0011] Preferably, a lower pressure plate is fixedly disposed on the top of the outer casing, a threaded rod is fixedly disposed on the outer casing, an upper pressure plate is slidably disposed on the threaded rod, a nut is threadedly connected to the threaded rod, and the upper pressure plate and the lower pressure plate are arranged parallel to each other, the distance between two adjacent upper pressure plates is equal, the lower pressure plate is located on the inner side of the outer casing, the upper pressure plate is located on the outer side of the outer casing, and the lower pressure plate and the upper pressure plate are equal in size.
[0012] Preferably, the diameter of the ring is not greater than the inner diameter of the outer shell, and the spacing between each spring is equal.
[0013] Preferably, an air cushion is fixedly provided on the bottom end of the outer shell, and an air supply pipe is fixedly provided on the air cushion. The air supply pipe is embedded inside the outer shell, and the other end of the air supply pipe is connected to the ring. The up and down movement of the ring can control the contraction and expansion of the air cushion.
[0014] Preferably, the ring is located between the card plate and the outer shell, and the diameter of the ring is not less than the inner diameter of the card plate.
[0015] Preferably, the cross-section of the card plate is curved, and the left and right ends of the card plate in the horizontal direction are arc-shaped.
[0016] Preferably, the outer diameter of the air cushion is not less than the diameter of the outer shell.
[0017] Compared with the prior art, the beneficial effects of this utility model are:
[0018] This invention utilizes the 13 feature on the inner wall of the outer casing to allow operators to align the internal threads on the outer casing with the external display area of the water meter after connection. The locking mechanism on the outer wall facilitates the application of force during tightening, making the tightening process simpler and more convenient, preventing slippage. The curved exterior design also prevents scratches to the operator's hands. Furthermore, the lower and upper pressure plates on the outer casing securely position the external viewing glass, allowing operators to read the meter's data through the casing. Tightening the casing compresses the ring inwards, supplying gas through the gas pipe into the air cushion, increasing the airtightness between the casing and the water meter and enhancing the overall safety of the device. Attached Figure Description
[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0020] Figure 2 For the present utility model Figure 1 Enlarged structural diagram at point A in the middle;
[0021] Figure 3 This is a schematic diagram of the bottom structure of this utility model;
[0022] Figure 4 This is a schematic diagram of the internal structure of this utility model.
[0023] In the diagram: 1. Outer shell; 11. Bayonet; 12. Clamping plate; 13. Internal thread; 2. Air cushion; 3. Threaded rod; 31. Nut; 4. Upper pressure plate; 41. Lower pressure plate; 5. Ring; 6. Spring. Detailed Implementation
[0024] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.
[0025] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.
[0026] Reference Figures 1-4 A watch cover without flaps, comprising an outer shell 1, wherein the outer shell 1 is configured in a hollow cylindrical shape:
[0027] The connecting unit includes a clamping plate 12 fixedly installed on the inner wall of the outer shell 1, and the spacing between multiple clamping plates 12 is equal. The thickness of the clamping plate 12 is not greater than the thickness of the outer shell 1. An internal thread 13 is provided on the inner wall of the outer shell 1. The connecting unit is used to fix the device body to the water meter.
[0028] The reinforcement unit includes a ring 5 that is slidably disposed inside the outer casing 1. A spring 6 is fixedly disposed on the ring 5, and the other end of the spring 6 is fixedly connected to the outer casing 1. The reinforcement unit is used to reinforce the stability of the connection between the device and the water meter.
[0029] Reference Figures 1-2 The outer wall of the outer casing 1 is provided with a latch 11, and the distance between each latch 11 is equal. The top edge of the outer casing 1 is arc-shaped. The latch 11 on the outer casing 1 makes it convenient for the operator to apply pressure when twisting the outer casing 1, and prevents the operator from slipping and losing their hand when twisting. At the same time, the arc-shaped top of the outer casing 1 prevents the outer casing 1 from cutting the palm when twisting, thus improving the overall safety of the device.
[0030] Reference Figures 1-4 A lower pressure plate 41 is fixedly installed on the top of the outer casing 1, and a threaded rod 3 is fixedly installed on the outer casing 1. An upper pressure plate 4 is slidably installed on the threaded rod 3. A nut 31 is threadedly connected to the threaded rod 3. The upper pressure plate 4 and the lower pressure plate 41 are arranged parallel to each other, and the distance between two adjacent upper pressure plates 4 is equal. The lower pressure plate 41 is located inside the outer casing 1, and the upper pressure plate 4 is located outside the outer casing 1. The lower pressure plate 41 and the upper pressure plate 4 are of equal size. The lower pressure plate 41 and the upper pressure plate 4 installed on the outer casing 1 can fasten and fix the protective glass. During installation, the glass is first placed on the lower pressure plate 41, then the upper pressure plate 4 is sleeved on the threaded rod 3, and finally the entire device is tightened by the nut 31.
[0031] Reference Figures 2-4 The diameter of the ring 5 is no greater than the inner diameter of the outer shell 1, and the distance between each spring 6 is equal. By setting the size relationship between the ring 5 and the outer shell 1, it is ensured that the ring 5 will not collide with or be damaged by the outer shell 1 during movement.
[0032] Reference Figures 2-4 An air cushion 2 is fixedly installed on the bottom of the outer casing 1. An air supply pipe is fixedly installed on the air cushion 2 and is buried inside the outer casing 1. The other end of the air supply pipe is connected to the ring 5. The up and down movement of the ring 5 can control the contraction and expansion of the air cushion 2. Through the air cushion 2 installed on the outer casing 1, gas can be delivered to the air cushion 2 through the air supply pipe during the sliding of the ring 5. As the outer casing 1 is tightened, the airtightness between it and the water meter is stronger.
[0033] Reference Figures 1-3The ring 5 is located between the card plate 12 and the outer shell 1, and the diameter of the ring 5 is not less than the inner diameter of the card plate 12. By setting the positional relationship between the ring 5 and the card plate 12, it is ensured that the card plate 12 will not detach under normal conditions, which facilitates subsequent operations by the staff.
[0034] Reference Figures 1-4 The cross-section of the card plate 12 is curved, and the left and right ends of the card plate 12 in the horizontal direction are arc-shaped. The outer diameter of the air cushion 2 is not less than the diameter of the outer shell 1. By setting the shape of the card plate 12, it is convenient for the staff to install the outer shell 1.
[0035] The specific solution is as follows: After the water meter is connected, the operator aligns the internal thread 13 on the outer casing 1 with the display part on the outside of the water meter to complete the docking. The latch 11 on the outer wall of the outer casing 1 facilitates the application of force when tightening, making the tightening work simpler and more convenient, and avoiding slippage. At the same time, the arc-shaped outer surface can prevent scratches to the operator's palm. The lower pressure plate 41 and upper pressure plate 4 on the outer casing 1 can fasten the protective glass. During installation, the glass is first placed on the lower pressure plate 41, then the upper pressure plate 4 is fitted onto the threaded rod 3, and finally the entire device is tightened with the nut 31. This allows the operator to read the data in the meter through the outer casing 1. When tightening the outer casing 1, the ring 5 is squeezed inward, thereby delivering gas into the air cushion 2 through the gas pipe, increasing the airtightness between the outer casing 1 and the water meter, and improving the overall safety of the device.
[0036] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary; within the framework of this invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of this invention as described above, which are not provided in the details for the sake of brevity.
[0037] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A watch cover without flaps, comprising an outer shell (1), said outer shell (1) being a hollow cylindrical shape, characterized in that... Also includes: The connecting unit includes a card plate (12) fixedly disposed on the inner wall of the outer shell (1), and the spacing between the multiple card plates (12) is equal. The thickness of the card plate (12) is not greater than the thickness of the outer shell (1). An internal thread (13) is provided on the inner wall of the outer shell (1). The connecting unit is used to fix the device body to the water meter. The reinforcement unit includes a ring (5) slidably disposed within the outer casing (1), a spring (6) fixedly disposed on the ring (5), and the other end of the spring (6) is fixedly connected to the outer casing (1). The reinforcement unit is used to reinforce the stability of the connection between the device and the water meter.
2. The earless flanged watch cover according to claim 1, characterized in that, The outer wall of the outer shell (1) is provided with a slot (11), and the distance between each slot (11) is equal. The top edge of the outer shell (1) is arc-shaped.
3. A watch cover without flaps as described in claim 1, characterized in that, A lower pressure plate (41) is fixedly installed on the top of the outer shell (1). A threaded rod (3) is fixedly installed on the outer shell (1). An upper pressure plate (4) is slidably installed on the threaded rod (3). A nut (31) is threadedly connected to the threaded rod (3). The upper pressure plate (4) and the lower pressure plate (41) are arranged parallel to each other. The distance between two adjacent upper pressure plates (4) is equal. The lower pressure plate (41) is located inside the outer shell (1). The upper pressure plate (4) is located outside the outer shell (1). The lower pressure plate (41) and the upper pressure plate (4) are equal in size.
4. A watch cover without flaps as described in claim 1, characterized in that, The diameter of the ring (5) is not greater than the inner diameter of the outer shell (1), and the spacing between each spring (6) is equal.
5. A watch cover without flaps as described in claim 4, characterized in that, An air cushion (2) is fixedly installed on the bottom end of the outer shell (1). An air supply pipe is fixedly installed on the air cushion (2) and the air supply pipe is buried inside the outer shell (1). The other end of the air supply pipe is connected to the ring (5). The up and down movement of the ring (5) can control the contraction and expansion of the air cushion (2).
6. A watch cover without flaps as described in claim 1, characterized in that, The ring (5) is located between the card plate (12) and the outer shell (1), and the diameter of the ring (5) is not less than the inner diameter of the card plate (12).
7. A watch cover without flaps as described in claim 6, characterized in that, The cross-section of the card plate (12) is curved, and the left and right ends of the card plate (12) in the horizontal direction are arc-shaped.
8. A watch cover without flaps as described in claim 5, characterized in that, The outer diameter of the air cushion (2) is not less than the diameter of the outer shell (1).