Linkage safety device for gas meter
By designing the gas meter linkage safety device as a split structure and utilizing components such as slides, clamps, and cams, the problem of high maintenance difficulty in existing technologies has been solved, enabling quick disassembly and connection and improving maintenance efficiency.
Patent Information
- Application Number
- CN202520572492.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-29
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-03-29
AI Technical Summary
The existing gas meter linkage safety device is designed as an integrated unit with the mounting plate, which makes maintenance difficult and prevents the components from being disassembled and maintained separately, thus extending maintenance time.
The device body and mounting plate are designed as separate units, and quick disassembly and connection are achieved through components such as slides, clamps, cams, and plug rods, simplifying the maintenance process.
This reduces maintenance difficulty, enables individual maintenance operations on the main components of the device, and improves maintenance efficiency.
Smart Images

Figure CN223740431U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gas meter technology, and in particular to a linkage safety device for gas meters. Background Technology
[0002] A gas meter is a metering device used to measure and record gas usage. It is widely used in homes, businesses, and industrial settings. By accurately measuring the volume or mass of gas flowing through the pipeline, it ensures that users pay according to their actual consumption and helps gas companies with billing management.
[0003] A gas meter linkage safety device is a safety device used in conjunction with a gas meter to monitor and control abnormal situations during gas usage, ensuring user safety.
[0004] The existing cooling equipment for copper rod production has the following shortcomings:
[0005] Currently, most gas meter safety devices are designed to be integrated with the mounting plate. While this design simplifies installation and use to some extent, it reveals some drawbacks in terms of disassembly and maintenance. Because the device is integrated with the mounting plate, if a component inside, such as a sensor or control circuit, malfunctions and needs repair or replacement, or if routine cleaning or inspection is required, it cannot be operated on individually like a separate design. This not only increases the difficulty and complexity of maintenance but also potentially prolongs the maintenance time. Utility Model Content
[0006] This invention achieves a separate structure for the device body and the mounting plate. In actual use, the user can disassemble the device body according to maintenance needs in order to maintain the components on the device body, thereby solving the problems mentioned in the background art.
[0007] To achieve the above objectives, this utility model adopts the following technical solution: a linkage safety device for a gas meter, comprising an installation mechanism, wherein a device component is slidably connected to the front of the installation mechanism; the installation mechanism includes an installation plate, wherein each front of the installation plate has a sliding groove, wherein a clamping block is slidably connected to the inner wall of each sliding groove, wherein a limit rod is fixedly connected to the inner wall of each sliding groove, wherein a compression spring is sleeved on the outer wall of each limit rod, wherein a rotating shaft is rotatably connected to the front of each installation plate, wherein a cam is fixedly connected to the front of each rotating shaft, wherein a handle is fixedly connected to the front of each cam, wherein an insertion rod is penetratingly provided on the front of each cam, wherein a pull rod is fixedly connected to the front of each insertion rod. Through the above components, the device body can be quickly separated from the installation plate, and the connection process is relatively simple, facilitating subsequent connections each time.
[0008] Preferably, the front side of the mounting plate is threaded with fixing bolts, and the outer wall of the cam is slidably connected to the outer wall of the clamping block. The fixing bolts make it easy for the user to fix the whole unit in a designated location, which is convenient for subsequent operation.
[0009] Preferably, one end of the compression spring is fixedly connected to the inner wall of the slide groove, and the other end of the compression spring is fixedly connected to the outer wall of the clamping block, so that the two ends of the compression spring are connected to ensure that it can be used normally in the future.
[0010] Preferably, each of the cams has a circular hole on its front side. The inner wall of the circular hole is slidably connected to the outer wall of the insertion rod. The circular hole allows the user to easily insert the insertion rod into the designated location. Insertion restricts the cam and prevents it from rotating.
[0011] Preferably, the outer wall of each insertion rod is fixedly connected with a first locking block, and the front of each mounting plate is provided with a slot. The inner wall of the slot is slidably connected to the first locking block and the outer wall of the insertion rod. Through the first locking block and the slot, it can be ensured that the insertion rod is stably in the mounting plate and can stably restrict the cam.
[0012] Preferably, the front of the mounting plate is provided with a slot, and the slot and the second locking block make it convenient for the user to connect the device body to the mounting plate, thus speeding up the installation process.
[0013] Preferably, the device component includes a device body, and a fixing block is fixedly connected to the reverse side of the device body. A set of slots is opened on the inner wall of the fixing block, and the inner wall of the slot is slidably connected to the outer wall of the clamping block. Through the fixed block and the slot, the clamping block can normally restrict the device body and make it stably positioned on the mounting plate.
[0014] Preferably, a set of second locking blocks is fixedly connected to the reverse side of the device body. The outer wall of the second locking block is slidably connected to the inner wall of the slot. The second locking block facilitates the user to place the device body in the designated position on the mounting plate.
[0015] Preferably, a display screen is fixedly installed on the front of the device body, a PLC controller is fixedly installed on one side of the front of the device body, and buttons are fixedly installed on the front of the device body. The PLC controller is electrically connected to the components to control the opening and closing of the components. The display screen can be used to display relevant data on gas usage.
[0016] Preferably, a set of electromagnetic gas emergency shut-off valves is fixedly connected to the outer wall of the device body, and a set of gas alarms is fixedly installed on the outer wall of the device body. A set of audible and visual alarms is fixedly installed on the top of the gas alarms. When the gas alarms emit an alarm signal and the controller on the device body issues a shut-off command, the electromagnetic gas emergency shut-off valves can quickly cut off the gas passage, prevent further gas leakage, and prevent the occurrence and expansion of accidents. By setting up gas alarms and audible and visual alarms, when the signal reaches a preset alarm value, the alarms are triggered to emit audible and visual alarm signals to remind users of the potential danger of gas leakage.
[0017] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0018] 1. In this utility model, by setting up structures such as sliding grooves, clamping blocks, compression springs, cams, slots, round holes, insertion rods, handles, rotating shafts, first locking blocks, and pull rods, it is convenient for users to connect the device body to the mounting plate. At the same time, this design realizes that the device body and the mounting plate are separate structures. In actual use, users can disassemble the device body according to maintenance needs in order to maintain the components on the device body. In this way, the parts that need maintenance can be operated separately, reducing the overall maintenance difficulty.
[0019] 2. In this utility model, a limiting rod is provided to improve the stability of the clamping block when it slides in the groove. The device body is equipped with a gas alarm, an audible and visual alarm, a PLC controller, and an electromagnetic gas emergency shut-off valve. It can monitor the gas concentration in the surrounding environment in real time. Once the gas concentration rises to the preset alarm threshold, the controller will trigger an audible and visual alarm signal and simultaneously control the electromagnetic gas emergency shut-off valve to cut off the gas passage and prevent further gas leakage, thereby completing the entire linkage process and ensuring gas safety. Attached Figure Description
[0020] Figure 1 This utility model provides a perspective view of the main structure of a linkage safety device for a gas meter.
[0021] Figure 2 An enlarged perspective view of the structure of the mounting plate connected in the linkage safety device for a gas meter is provided for this utility model.
[0022] Figure 3 An enlarged perspective view of the clamping block connection structure in the linkage safety device for a gas meter is provided for this utility model.
[0023] Figure 4 An enlarged perspective view of the limit rod connection structure in the linkage safety device for a gas meter is provided for this utility model.
[0024] Figure 5 This utility model provides an enlarged perspective view of the structure connecting the device body to the linkage safety device for a gas meter.
[0025] Figure 6 This utility model presents an enlarged perspective view of the structure of the fixed block connected in the linkage safety device for a gas meter.
[0026] Legend: 1. Installation Mechanism; 101. Mounting Plate; 102. Cam; 103. Handle; 104. Slot; 105. Fixing Bolt; 106. Slide; 107. Slot; 108. Round Hole; 109. Clamping Block; 110. First Clamping Block; 111. Limiting Rod; 112. Compression Spring; 113. Rotating Shaft; 114. Insert Rod; 115. Pull Rod; 2. Equipment Components; 201. Device Body; 202. Display Screen; 203. Audible and Visual Alarm; 204. Gas Alarm; 205. Electromagnetic Gas Emergency Shut-off Valve; 206. PLC Controller; 207. Button; 208. Fixing Block; 209. Slot; 210. Second Clamping Block. Detailed Implementation
[0027] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0028] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0029] Please see Figures 1-6 This utility model provides a technical solution: a linkage safety device for a gas meter, including an installation mechanism 1, with a device component 2 slidably connected to the front of the installation mechanism 1; the installation mechanism 1 includes an installation plate 101, with a sliding groove 106 on the front of the installation plate 101, a clamping block 109 slidably connected to the inner wall of the sliding groove 106, a limiting rod 111 fixedly connected to the inner wall of the sliding groove 106, a compression spring 112 sleeved on the outer wall of the limiting rod 111, a rotating shaft 113 rotatably connected to the front of the installation plate 101, a cam 102 fixedly connected to the front of the rotating shaft 113, a handle 103 fixedly connected to the front of the cam 102, an insertion rod 114 penetrating the front of the cam 102, and a pull rod 115 fixedly connected to the front of the insertion rod 114. Through the above components, the device body 201 can be quickly separated from the installation plate 101, and the connection process is relatively simple, facilitating subsequent connections each time.
[0030] like Figure 1 and Figure 2 As shown, the front of the mounting plate 101 is threaded with fixing bolts 105. The outer wall of the cam 102 is slidably connected to the outer wall of the clamping block 109. The fixing bolts 105 make it easy for the user to fix the whole in a designated location, which is convenient for subsequent operation.
[0031] like Figure 4 As shown, one end of the compression spring 112 is fixedly connected to the inner wall of the slide groove 106, and the other end of the compression spring 112 is fixedly connected to the outer wall of the clamping block 109, so that the two ends of the compression spring 112 are connected to ensure that it can be used normally in the future.
[0032] like Figure 1 and Figure 4 As shown, each of the front sides of the cam 102 has a round hole 108. The inner wall of the round hole 108 is slidably connected to the outer wall of the insertion rod 114. Through the round hole 108, it is convenient for the user to insert the insertion rod 114 into the designated location. Insertion restricts the cam 102 and prevents it from rotating.
[0033] like Figure 4 As shown, the outer wall of the insertion rod 114 is fixedly connected with a first locking block 110, and the front of the mounting plate 101 is provided with a slot 107. The inner wall of the slot 107 is slidably connected with the first locking block 110 and the outer wall of the insertion rod 114. Through the first locking block 110 and the slot 107, it can be ensured that the insertion rod 114 is stably in the mounting plate 101, and can stably restrict the cam 102.
[0034] like Figure 2 and Figure 3 As shown, the front of the mounting plate 101 is provided with a slot 104. Through the provided slot 104 and the second slot 210, it is convenient for the user to connect the device body 201 to the mounting plate 101, thereby speeding up the installation process.
[0035] like Figure 1 and Figure 5 As shown, the device component 2 includes a device body 201. Fixing blocks 208 are fixedly connected to the reverse side of the device body 201. A set of slots 209 are opened on the inner wall of the fixing blocks 208. The inner wall of the slots 209 is slidably connected to the outer wall of the clamping block 109. Through the fixed blocks 208 and the slots 209, the clamping block can normally restrict the device body 201, so that it can be stably placed on the mounting plate 101.
[0036] like Figure 6As shown, a set of second locking blocks 210 are fixedly connected to the reverse side of the device body 201. The outer wall of the second locking block 210 is slidably connected to the inner wall of the slot 104. The second locking block 210 facilitates the user to place the device body 201 into the designated position on the mounting plate 101.
[0037] like Figure 1 and Figure 5 As shown, a display screen 202 is fixedly installed on the front of the device body 201, a PLC controller 206 is fixedly installed on one side of the front of the device body 201, and buttons 207 are fixedly installed on the front of the device body 201. The PLC controller 206 is electrically connected to the components to control the opening and closing of the components. The display screen 202 can be used to display relevant data on gas usage.
[0038] like Figure 5 As shown, a set of electromagnetic gas emergency shut-off valves 205 are fixedly connected to the outer wall of the device body 201, and a set of gas alarms 204 are fixedly installed on the outer wall of the device body 201. A set of audible and visual alarms 203 are fixedly installed on the top of the gas alarms 204. When the gas alarms 204 emit an alarm signal and the controller on the device body 201 issues a shut-off command, the electromagnetic gas emergency shut-off valves 205 can quickly cut off the gas passage, prevent further gas leakage, and prevent the occurrence and expansion of accidents. Through the gas alarms 204 and audible and visual alarms 203, when the signal reaches the preset alarm value, the alarms are triggered to emit audible and visual alarm signals to remind users of the potential danger of gas leakage.
[0039] The usage and working principle of this device are as follows: The user can fix the mounting plate 101 to the kitchen wall using the fixing bolts 105, placing it below the ceiling within a horizontal distance of 1 to 4 meters from the gas appliance or gas source, and away from corners, cabinets, and other poorly ventilated areas. Then, align the second locking block 210 on the device body 201 with the locking slot 104 on the mounting plate 101. After alignment, move the device body 201 backward so that the second locking block 210 is engaged in the locking slot 104. Then, the user can rotate the cam 102 by holding the handle 103, which will also drive the rotating shaft 113. When the cam 102 rotates, it can contact the clamping block 109, and the clamping block 109 can slide on the limit rod 111 under force. When sliding, the compression spring 112 is subjected to force and changes its own state. Finally, the clamping block 109 can be engaged in the slot 209. Then, the corresponding insertion rod 114 and the first locking block 110 are connected by the pull rod 115. Inserting the device into slot 107 restricts the cam 102, preventing it from rotating, and also keeps the clamping block 109 stably in the slot 209. Other parts are operated in the same way. With the cooperation of these multiple mechanisms, it is convenient for the user to connect the device body 201 to the mounting plate 101. If maintenance of the device body 201 is required, the user only needs to pull out the multiple pull rods 115 to disengage the first locking block 110 and the insertion rod 114 from slot 107. Then the compression spring 112 loses its restraining force and can drive the clamping block 109 to slide on the limit rod 111. Finally, the clamping block 109 can be moved out of the slot 209, and the cam 102 is rotated through the rotating shaft 113 to avoid interference. Then the user can take the device body 201 forward to disengage the second locking block 210 from the slot 104. In this way, the part that needs maintenance can be operated individually, reducing the overall maintenance difficulty.
[0040] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A linkage safety device for a gas meter, characterised in that, Including installation mechanism (1), the front surface of installation mechanism (1) is slidably connected with equipment assembly (2); The installation mechanism (1) includes an installation plate (101), the front surface of the installation plate (101) is provided with a sliding groove (106), the inner wall of the sliding groove (106) is slidably connected with a clamping block (109), the inner wall of the sliding groove (106) is fixedly connected with a limiting rod (111), the outer wall of the limiting rod (111) is sleeved with a compression spring (112), the front surface of the installation plate (101) is rotatably connected with a rotating shaft (113), the front surface of the rotating shaft (113) is fixedly connected with a cam (102), the front surface of the cam (102) is fixedly connected with a handle (103), the front surface of the cam (102) is provided with a plug rod (114), the front surface of the plug rod (114) is fixedly connected with a pull rod (115).
2. A linkage safety device for a gas meter as claimed in claim 1, wherein: The front surface of the installation plate (101) is provided with a fixed bolt (105) in threaded connection, and the outer wall of the cam (102) is slidably connected with the outer wall of the clamping block (109).
3. A linkage safety device for a gas meter according to claim 1, wherein: One end of the compression spring (112) is fixedly connected with the inner wall of the sliding groove (106), and the other end of the compression spring (112) is fixedly connected with the outer wall of the clamping block (109).
4. A linkage safety device for a gas meter according to claim 1, wherein: The front surface of the cam (102) is provided with a circular hole (108), and the inner wall of the circular hole (108) is slidably connected with the outer wall of the plug rod (114).
5. A linkage safety device for a gas meter according to claim 1, wherein: The outer wall of the plug rod (114) is fixedly connected with a first clamping block (110), and the front surface of the installation plate (101) is provided with a plug slot (107), and the inner wall of the plug slot (107) is slidably connected with the outer wall of the first clamping block (110) and the plug rod (114).
6. A linkage safety device for a gas meter according to claim 1, wherein: The front surface of the installation plate (101) is provided with a clamping groove (104).
7. A linkage safety device for a gas meter according to claim 1 wherein: The device assembly (2) includes a device body (201), and the reverse surface of the device body (201) is fixedly connected with a fixed block (208), the inner wall of the fixed block (208) is provided with a group of slot openings (209), and the inner wall of the slot opening (209) is slidably connected with the outer wall of the clamping block (109).
8. A linkage safety device for a gas meter according to claim 7, wherein: The reverse surface of the device body (201) is fixedly connected with a group of second clamping blocks (210), and the outer wall of the second clamping block (210) is slidably connected with the inner wall of the clamping groove (104).
9. A linkage safety device for a gas meter according to claim 7, wherein: The front surface of the device body (201) is fixedly connected with a display screen (202), one side of the front surface of the device body (201) is fixedly connected with a PLC controller (206), and the front surface of the device body (201) is fixedly connected with a plurality of keys (207).
10. A linkage safety device for a gas meter according to claim 7, wherein: The outer wall of the device body (201) is fixedly connected with a group of electromagnetic gas emergency shut-off valves (205), and the outer wall of the device body (201) is fixedly connected with a group of gas alarms (204), and the top of the gas alarm (204) is fixedly connected with a group of audible and visual alarms (203).