Elastic locking type metering seal

Abstract

The utility model discloses an elastic locking type metering seal, and relates to the technical field of metering seals, the elastic locking type metering seal comprises a shell, the main body of the shell is of a top end one-way opening structure, the top end face of the shell is fixedly connected with two mounting plates, the number of the mounting plates is two, and the top end face of the shell is fixedly connected with the shell. According to the utility model, through the cooperation of the spring rod, the baffle plate and the ejector pin, the elastic locking of the insertion block is realized by utilizing the compression contraction characteristic of the spring rod. In the inserting process of the inserting block, the ejector pin can be automatically clamped into the clamping groove, and stable locking force is provided; and when the seal is illegally opened, the ejector pin can restrain the insertion block under the action of the spring rod, so that the difficulty of illegal opening is increased, and the safety and reliability of the seal are improved.

Description

Technical Field

[0001] This utility model relates to the field of metering and sealing technology, specifically to an elastic locking metering seal. Background Technology

[0002] A meter seal is a device to prevent unauthorized opening of the meter cover. It prevents unauthorized alteration of the meter's structure or settings. A patent, CN203733412U, describes a flexible locking meter seal device. It includes a meter housing with mounting holes, a sealing screw placed within the mounting holes, and a plastic seal on the screw. The plastic seal has a plastic cap and a plastic retainer that engages with the sealing screw. The retainer has at least one integrated flexible locking block with a hook. The top of the sealing screw has a corresponding groove that engages with the hook on the retainer. This flexible locking meter seal effectively prevents unauthorized opening of the meter cover, providing good anti-theft and anti-opening performance. It is also simple in structure, easy and quick to apply the seal, and robust, reducing pollution and harm to the environment and human health.

[0003] Regarding the aforementioned technologies, the inventors believe that the following defects exist: Although existing metering seal structures can be locked using an elastic clamping structure, they cannot be effectively marked after locking. If the elastic structure is damaged by magnetic adsorption or other factors, it is easy to lose its sealing effect. Therefore, we propose an elastic locking metering seal to solve the above-mentioned problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an elastic locking metering seal, which solves the problem that although existing technologies can use elastic clamping structures for locking, they cannot effectively mark the seal after locking, and the seal easily loses its sealing effect when the elastic structure is damaged by magnetic adsorption or other factors.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: an elastic locking metering seal, comprising a shell, the main body of which is a one-way opening structure at the top, and a mounting plate fixedly connected to the top surface of the shell. There are two mounting plates, which are fixedly connected to the left and right sides of the top surface of the shell in opposite directions. A spring rod is also fixedly connected to the inner side of the two mounting plates. The spring rod is a compression-retractable structure. A stop plate is fixedly connected to the side of the spring rod away from the mounting plate, and a pin is fixedly connected to the side of the stop plate away from the spring rod.

[0006] Preferably, a connecting plate is fixedly connected to the outer side of the housing, and the connecting plate has a through hole that runs through both the upper and lower sides.

[0007] Preferably, a cover plate is installed at the top of the housing, and a connecting plate is also fixedly connected to the outside of the cover plate.

[0008] Preferably, the cover plate is connected to the housing by mounting bolts, and a baffle is fixedly connected to the top surface of the housing.

[0009] Preferably, there are two baffles, which are fixedly connected in a straight line array to the left and right sides of the top surface of the housing.

[0010] Preferably, a sealing strip is fixedly connected to the bottom end of the housing, and an insert block is fixedly connected to the side of the sealing strip away from the housing.

[0011] Preferably, the side of the insert block away from the sealing strip has an arc-shaped structure, and the left and right sides of the sealing strip are provided with opposite grooves. These grooves are slots for inserting the pin. A marking tube is fixedly connected inside the slot, and the marking tube is filled with a colored liquid.

[0012] Beneficial effects

[0013] This invention provides a flexible locking metering seal. Compared with the prior art, it has the following advantages:

[0014] Beneficial effects:

[0015] This elastic locking metering seal uses a marker tube filled with colored liquid within a slot in the sealing tape, along with a pin structure, to visually indicate the seal's status. When the seal is intact, the marker tube remains in place; if the seal is broken, the insert moves, the pin punctures the marker tube, and the colored liquid flows out, clearly indicating that the seal has been opened. Compared to traditional seals, this method provides a more intuitive way to determine if the seal has been illegally tampered with, effectively solving the problem of existing seals being difficult to detect when the elastic structure is damaged.

[0016] This elastic-locking metering seal utilizes the combination of a spring rod, a stop plate, and a push pin. The spring rod's compressive contraction characteristic achieves elastic locking of the insert block. During insertion, the push pin automatically engages in the slot, providing a stable locking force. If the seal is illegally opened, the push pin, under the action of the spring rod, maintains restraint on the insert block, increasing the difficulty of unauthorized opening and enhancing the seal's security and reliability. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the front side view of the disassembled and cut-off metering seal of this utility model.

[0018] Figure 2 This is a schematic diagram of the combined structure of the shell and cover plate of the metering seal of this utility model;

[0019] Figure 3This is a schematic diagram of the combined structure of the sealing strip and insert block of the metering seal of this utility model;

[0020] Figure 4 This is a top view of the metering seal of this utility model.

[0021] Figure 5 This is a front view schematic diagram of the metering seal of this utility model;

[0022] Figure 6 This is a schematic diagram of the left-side structure of the measuring seal of this utility model.

[0023] In the diagram: 1. Housing; 101. Connecting plate; 1011. Mounting bolt; 102. Cover plate; 103. Baffle; 2. Mounting plate; 201. Spring rod; 2011. Stop plate; 2012. Ejector pin; 3. Sealing tape; 301. Insert block; 3011. Slot; 3012. Marking tube. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-6 This utility model provides a technical solution: an elastic locking metering seal, including a shell 1. The main body of the shell 1 is a one-way opening structure at the top. An mounting plate 2 is fixedly connected to the top surface of the shell 1. There are two mounting plates 2, which are fixedly connected to the left and right sides of the top surface of the shell 1 in opposite directions. A spring rod 201 is also fixedly connected to the inner side of the two mounting plates 2. The spring rod 201 is a compression-retractable structure. A stop plate 2011 is fixedly connected to the side of the spring rod 201 away from the mounting plate 2. A pin 2012 is fixedly connected to the side of the stop plate 2011 away from the spring rod 201.

[0026] By fixing the mounting plate 2 inside the housing 1, it can support the spring rod 201 during use.

[0027] See Figure 1 , Figure 5 A connecting plate 101 is fixedly connected to the outer side of the housing 1, and the connecting plate 101 has a through hole that runs through both the upper and lower sides.

[0028] By providing mounting holes that extend through both the top and bottom sides inside the connecting plate 101, it is easier to install bolts 1011 for assembly.

[0029] See Figure 2 , Figure 3 A cover plate 102 is installed on the top of the housing 1, and a connecting plate 101 is also fixedly connected to the outside of the cover plate 102.

[0030] By installing a cover plate 102 at the top of the housing 1, the housing 1 can be closed and supported for the insertion block 301 during use.

[0031] See Figure 5 , Figure 6 The cover plate 102 is connected to the housing 1 by mounting bolts 1011, and a baffle 103 is fixedly connected to the top surface of the housing 1;

[0032] By fixing a baffle 103 to the top surface of the housing 1, the left and right sides of the inserted plug 301 can be sealed off.

[0033] See Figure 1 , Figure 2 There are two baffles 103, which are fixedly connected in a straight line array to the left and right sides of the top surface of the housing 1.

[0034] By setting two baffles 103, the stability and robustness after connection with the cover plate 102 can also be enhanced.

[0035] See Figure 3 , Figure 4 A sealing strip 3 is fixedly connected to the bottom end of the housing 1, and an insert block 301 is fixedly connected to the side of the sealing strip 3 away from the housing 1.

[0036] By fixing a sealing tape 3 to the bottom end face of the housing 1, it can be wrapped around the locking hole of the metering device for connection.

[0037] See Figure 1 , Figure 2 The side of the insert block 301 away from the sealing strip 3 is an arc-shaped structure. The left and right sides of the sealing strip 3 are provided with grooves facing each other. The grooves are slots 3011. The slots 3011 are used for inserting the ejector pin 2012. The inside of the slots 3011 is fixedly connected to the marking tube 3012, and the inside of the marking tube 3012 is filled with colored liquid.

[0038] By providing a marking tube 3012, which will puncture and leak liquid for marking when punctured.

[0039] During operation, firstly, the end of the sealing tape 3 with the insert 301 is passed through the locking hole of the metering device, and then wrapped around the metering device to ensure that the metering device is in a locked state. This step utilizes the flexibility of the sealing tape 3 and the structural design of the insert 301 to enable it to fit tightly with the locking hole of the metering device, laying the foundation for subsequent sealing operations.

[0040] After the sealing tape 3 is wrapped, the insert 301 is inserted into the inner side of the housing 1 and the cover plate 102. During the insertion process, the two baffles 103 fixedly connected to the top surface of the housing 1 play a key role. They not only guide the insert 301 to accurately insert it into the predetermined position, but also limit the insertion of the insert 301 to prevent it from shifting or shaking during the insertion process, thus ensuring the accuracy and stability of the insertion operation.

[0041] The side of the insert block 301 furthest from the sealing strip 3 has an arc-shaped structure. During insertion, this arc-shaped surface will contact the ejector pin 2012. Since the ejector pin 2012 is connected to the spring rod 201 through the baffle plate 2011, and the spring rod 201 is a compression-retracting structure, the arc-shaped surface of the insert block 301 will push the two ejector pins 2012 to both sides, while the spring rod 201 is compressed and retracted. As the insert block 301 continues to be inserted, when the ejector pin 2012 is aligned with the slot 3011 on the insert block 301, the spring rod 201 will push the ejector pin 2012 to quickly lock into the slot 3011 due to its own elastic restoring force. During this process, the ejector pin 2012 will puncture the marking tube 3012 located in the slot 3011. The marking tube 3012 is filled with colored liquid. After being punctured, the colored liquid flows out, forming a clear color mark around the seal, which visually shows that the seal has been applied and serves as a seal marking.

[0042] After the ejector pin 2012 is engaged in the slot 3011, it achieves elastic locking of the insert block 301. Under normal circumstances, this locking structure can provide a stable locking force to ensure that the sealing tape 3 will not easily detach from the metering equipment, maintaining the sealing state of the metering equipment. Once the seal is illegally opened, for example, if someone attempts to forcibly pull out the insert block 301, the ejector pin 2012 will be tightly engaged in the slot 3011 under the action of the spring rod 201, which will form a continuous constraint on the insert block 301, greatly increasing the difficulty of illegal opening. Moreover, even if the spring rod 201 is damaged by magnetic adsorption or other means during illegal opening, the ejector pin 2012 will not easily detach from the slot 3011 and can still maintain a certain restraining effect. At the same time, the colored liquid flowing out when the marking tube 3012 is punctured can clearly indicate that the seal has been damaged, effectively preventing the concealment of illegal opening behavior and ensuring the safety and reliability of the metering seal.

[0043] In summary, this device, by incorporating the marking tube 3012, can perform color marking.

[0044] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

Claims

1. A resilient locking metering seal, comprising a housing (1), wherein the main body of the housing (1) is a one-way opening structure at the top, characterized in that: A mounting plate (2) is fixedly connected to the top surface of the housing (1). There are two mounting plates (2). The two mounting plates (2) are fixedly connected to the left and right sides of the top surface of the housing (1) in opposite directions. A spring rod (201) is also fixedly connected to the inner side of the two mounting plates (2). The spring rod (201) is a compression-retractable structure. A stop plate (2011) is fixedly connected to the side of the spring rod (201) away from the mounting plate (2). A pin (2012) is fixedly connected to the side of the stop plate (2011) away from the spring rod (201).

2. The elastic locking metering seal according to claim 1, characterized in that: A connecting plate (101) is fixedly connected to the outer side of the housing (1), and the connecting plate (101) has a through hole that runs through both the upper and lower sides.

3. The elastic locking metering seal according to claim 2, characterized in that: A cover plate (102) is installed at the top of the housing (1), and a connecting plate (101) is also fixedly connected to the outside of the cover plate (102).

4. The elastic locking metering seal according to claim 3, characterized in that: The cover plate (102) is connected to the housing (1) by mounting bolts (1011), and a baffle (103) is fixedly connected to the top surface of the housing (1).

5. The elastic locking metering seal according to claim 4, characterized in that: There are two baffles (103), which are fixedly connected in a straight line array to the left and right sides of the top surface of the shell (1).

6. The elastic locking metering seal according to claim 1, characterized in that: A sealing strip (3) is fixedly connected to the bottom end of the housing (1), and an insert (301) is fixedly connected to the side of the sealing strip (3) away from the housing (1).

7. The elastic locking metering seal according to claim 6, characterized in that: The side of the insert (301) away from the sealing strip (3) is an arc-shaped structure. The left and right sides of the sealing strip (3) are provided with grooves facing each other. The grooves are slots (3011). The slots (3011) are used for inserting the ejector pin (2012). The inside of the slots (3011) is fixedly connected to the marking tube (3012), and the inside of the marking tube (3012) is filled with colored liquid.

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