A gas meter terminal post assembly

Abstract

The utility model belongs to gas meter wiring harness welding field discloses a kind of gas meter terminal post assemblies, the gas meter terminal post assembly includes multiple core wires, rubber piece and joint piece, multiple core wires are set in rubber piece and with rubber piece vulcanization integrated molding, rubber piece is provided with stop portion, joint piece is sleeved in rubber piece, and one end of joint piece is stopped in stop portion. Compared with prior art, the gas meter terminal post assembly of the embodiment only includes core wire, rubber piece and joint piece, the number of parts is less, simple structure, lower manufacturing cost. In actual assembly process, first multiple core wires are passed through rubber piece, then integrated molding is formed by vulcanization process, then joint piece is sleeved on rubber piece, and the end of joint piece is stopped in stop portion, and installation can be completed. Compared with prior art, the assembly process of the gas meter terminal post assembly of the embodiment is very simple, the rework rate is lower, and the manufacturing yield and manufacturing efficiency are higher.

Description

Technical Field

[0001] This utility model relates to the field of gas meter wiring harness welding, and in particular to a gas meter terminal assembly. Background Technology

[0002] The existing manufacturing process for gas meter terminal assemblies is as follows: a single-core wire is first manually threaded through a copper connector, then a rubber plug, a limiting plug, and a plastic nut are sequentially threaded onto the single-core wire. Finally, the plastic nut is manually tightened to create a threaded connection between the plastic nut and the copper connector, and to compress the rubber plug to form a seal. Therefore, this method is overly complex, involves many materials, and is prone to errors and rework during assembly. Utility Model Content

[0003] The purpose of this utility model is to provide a gas meter terminal assembly, which has a simple structure, is easy to assemble, reduces material costs, and improves manufacturing efficiency.

[0004] To achieve this objective, the present invention adopts the following technical solution:

[0005] This utility model discloses a gas meter terminal assembly, comprising: multiple core wires and a rubber component, wherein the multiple core wires are inserted through the rubber component and integrally formed with the rubber component by vulcanization, and a stop portion is provided on the rubber component; and a connector, wherein the connector is sleeved on the rubber component, and one end of the connector abuts against the stop portion.

[0006] In some embodiments, the portion of the core wire that mates with the rubber component is provided with an adhesive coating.

[0007] In some embodiments, the outer diameter of the rubber component is D1, and the inner diameter of the connector is D2, wherein D1 and D2 satisfy the relationship: 0.5mm≤D1-D2≤0.7mm.

[0008] In some embodiments, the stop portion includes an annular protrusion extending circumferentially along the rubber member.

[0009] In some specific embodiments, the outer diameter of the annular protrusion is D3, and the inner diameter of the connector is D2, where 1.5mm ≤ D3 - D2.

[0010] In some embodiments, the connector has an inner hole that mates with the rubber member, and an anti-reverse step is provided at one end of the inner hole away from the stop portion.

[0011] In some specific embodiments, the inner hole includes a first hole and a second hole, the inner diameter of the first hole is larger than the inner diameter of the second hole, and the anti-reverse step is formed at the junction of the first hole and the second hole.

[0012] In some embodiments, the connector includes a first part and a second part, the outer diameter of the first part is larger than the outer diameter of the second part, the first part abuts against the stop portion, and the second part is provided with external threads.

[0013] In some specific embodiments, the first part is provided with a mounting groove, and a gasket is provided in the mounting groove.

[0014] In some embodiments, the connector is a copper connector.

[0015] The beneficial effects of this utility model are as follows: The gas meter terminal assembly of this utility model only includes core wires, rubber parts, and connectors. It has fewer parts, a simpler structure, and lower manufacturing costs. In the actual assembly process, multiple core wires are first passed through the rubber parts, then integrally molded through a vulcanization process. Next, the connector is fitted onto the rubber parts, ensuring one end of the connector abuts against the stop portion to complete the installation. Compared to existing technologies, the assembly process of the gas meter terminal assembly of this utility model is very simple, with a lower rework rate, and higher manufacturing yield and efficiency.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] Figure 1 This is a structural diagram of the gas meter terminal assembly in the prior art.

[0018] Figure 2 This is a schematic diagram of the structure of the gas meter terminal assembly according to an embodiment of the present invention;

[0019] Figure 3 This is a cross-sectional view of the gas meter terminal assembly according to an embodiment of the present utility model;

[0020] Figure 4 This is a schematic diagram of the mating structure between the core wire and the rubber component according to an embodiment of this utility model;

[0021] Figure 5 This is a schematic diagram of the connector component according to an embodiment of the present utility model.

[0022] Figure label:

[0023] Figure 1 middle:

[0024] 1. Single-core wire; 2. Copper connector; 3. Rubber plug; 4. Limiting plug; 5. Plastic nut.

[0025] Figures 2-5 middle:

[0026] 100, Core wire; 200, Rubber part; 210, Stop part; 300, Connector; 301, Inner hole; 3011, First hole; 3012, Second hole; 302, Anti-reverse step; 310, First part; 311, Mounting groove; 320, Second part; 321, External thread; 400, Gasket. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0028] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. In the description of this embodiment, the terms "upper," "lower," "left," "right," "front," and "rear," etc., are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of description and simplification of operation, not to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0029] refer to Figure 1 As shown, the existing gas meter terminal assembly includes a single-core wire 1, a copper connector 2, a rubber plug 3, a limiting plug 4, and a plastic nut 5. In actual installation, multiple single-core wires 1 are first passed through the copper connector 2. Then, the rubber plug 3 is passed through the single-core wires 1 and inserted into the inner cavity of the copper connector 2. Next, the limiting plug 4 is passed through the single-core wires 1 and abuts against the rubber plug 3. Finally, the plastic nut 5 is passed through the single-core wires 1 and fitted onto the copper connector 2. The plastic nut 5 is then rotated to make it threadedly connected to the copper connector 2. Simultaneously, the limiting plug 4 and the rubber plug 3 are compressed and deformed during the rotation of the plastic nut 5, completing the assembly. This structure has a large number of parts, a complex assembly process, and a high rework rate.

[0030] This utility model discloses a gas meter terminal assembly, referenced... Figures 2-5As shown, the gas meter terminal assembly includes multiple core wires 100, a rubber component 200, and a connector 300. The core wires 100 pass through the rubber component 200 and are integrally formed with it through vulcanization. A stop portion 210 is provided on the rubber component 200. The connector 300 is fitted onto the rubber component 200, with one end of the connector 300 abutting against the stop portion 210. It can be understood that the gas meter terminal assembly of this embodiment only includes core wires 100, a rubber component 200, and a connector 300, resulting in fewer components, a simpler structure, and lower manufacturing costs. In the actual assembly process, the multiple core wires 100 are first passed through the rubber component 200, then integrally formed through a vulcanization process. Next, the connector 300 is fitted onto the rubber component 200, with one end of the connector 300 abutting against the stop portion 210 to complete the installation. Compared to the prior art, the assembly process of the gas meter terminal assembly of this embodiment is very simple, with a low rework rate and higher manufacturing yield and efficiency.

[0031] It should be added that, in Figure 2 In the embodiment shown, the core wire 100 is a single-core wire, and the quantity is 5. Figure 2 Both ends of the shown core wire 100 are provided with plug terminals. These plug terminals are connected to the ends of the core wire 100 after the gas meter terminal assembly is completed. In other words, the plug terminals do not affect the core wire 100 passing through the rubber component 200. In other embodiments of this utility model, the specific type and quantity of the core wire 100 can be arbitrarily selected according to actual needs.

[0032] In some embodiments, an adhesive coating is provided on the portion of the core wire 100 that mates with the rubber component 200. It is understood that in actual operation, the adhesive coating is first applied to the core wire 100, and then the rubber component 200 is mated to the core wire 100. This ensures a very high bonding strength between the core wire 100 and the rubber component 200, guaranteeing the connection strength after the vulcanization process. In embodiments of this invention, the adhesive coating can be selected according to actual needs, and the material of the adhesive coating is not specifically limited herein.

[0033] In some embodiments, the outer diameter of the rubber part 200 is D1, and the inner diameter of the connector 300 is D2, where D1 and D2 satisfy the relationship: 0.5mm ≤ D1 - D2 ≤ 0.7mm. Optionally, the difference between the outer diameter D1 of the rubber part 200 and the inner diameter D2 of the connector 300 can be 0.5mm, 0.51mm, 0.52mm, 0.53mm, 0.54mm, 0.55mm, 0.56mm, 0.57mm, 0.58mm, 0.59mm, 0.6mm, 0.61mm, 0.62mm, 0.63mm, 0.64mm, 0.65mm, 0.66mm, 0.67mm, 0.68mm, 0.69mm, or 0.7mm. Of course, other values ​​within the range of 0.5mm-0.7mm can also be selected, and are not limited to the examples above. It is understood that in this embodiment, the outer diameter D1 of the rubber part 200 is larger than the inner diameter D2 of the connector 300. The rubber part 200 and the connector 300 are interference fit. When the connector 300 is fitted onto the rubber part 200, the rubber part 200 will undergo elastic deformation. If the difference between the outer diameter D1 of the rubber part 200 and the inner diameter D2 of the connector 300 is too small, the connection stability between the rubber part 200 and the connector 300 will be reduced. If the difference between the outer diameter D1 of the rubber part 200 and the inner diameter D2 of the connector 300 is too large, the assembly difficulty will be increased. In this embodiment, the difference between the outer diameter D1 of the rubber part 200 and the inner diameter D2 of the connector 300 is controlled within the range of 0.5mm-0.7mm. On the one hand, this ensures that the rubber part 200 and the connector 300 have sufficient interference to ensure a stable connection between them. On the other hand, it facilitates assembly and improves assembly efficiency.

[0034] In some embodiments, the stop portion 210 includes an annular protrusion extending circumferentially along the rubber member 200. It is understood that by configuring the stop portion 210 as an annular protrusion extending circumferentially along the rubber member 200, the rubber member 200 can be manufactured, and the low-restriction joint member 300 can be stabilized.

[0035] In some specific embodiments, the outer diameter of the annular protrusion is D3, and the inner diameter of the connector 300 is D2, where 1.5mm ≤ D3 - D2. Optionally, the difference between the outer diameter D3 of the annular protrusion and the inner diameter D2 of the connector 300 can be 1.5mm, 2mm, 2.5mm, or 3mm, and can be selected according to actual positioning needs, not limited to the examples above. It is understood that if the difference between the outer diameter D3 of the annular protrusion and the inner diameter D2 of the connector 300 is too small, it is not conducive to stopping the connector 300 and will increase the risk of axial movement of the connector 300. In this embodiment, the difference between the outer diameter D3 of the annular protrusion and the inner diameter D2 of the connector 300 is greater than or equal to 1.5mm, which can ensure the stopping effect on the connector 300 and reduce the risk of axial movement of the connector 300.

[0036] In some embodiments, the connector 300 has an inner hole 301 that mates with the rubber part 200, and an anti-reverse step 302 is provided at one end of the inner hole 301 away from the stop portion 210. It is understood that by providing the anti-reverse step 302 at the end of the inner hole 301 away from the stop portion 210, when the rubber part 200 passes through the connector 300, it returns to its original size and is firmly engaged. The reverse pull-out force is very large, and even if the rubber part 200 tears, it cannot detach from the connector 300. This significantly improves the connection strength between the rubber part 200 and the connector 300, preventing axial movement between the rubber part 200 and the connector 300.

[0037] In some specific embodiments, the inner hole 301 includes a first hole 3011 and a second hole 3012. The inner diameter of the first hole 3011 is larger than the inner diameter of the second hole 3012, and the anti-reverse step 302 is formed at the junction of the first hole 3011 and the second hole 3012. It can be understood that by setting the inner hole 301 as a first hole 3011 and a second hole 3012 with different inner diameters, that is, by forming the inner hole 301 as a stepped hole and using the stepped surface of the stepped hole as the anti-reverse step 302, it is not necessary to form other protruding structures on the inner peripheral wall of the inner hole 301, which simplifies the manufacturing process of the connector 300 and reduces the manufacturing cost of the connector 300.

[0038] It should be noted that in other embodiments of this utility model, the anti-reverse step 302 can also be formed as a protruding structure integrally formed on the inner wall of the inner hole 301, and is not limited to the above form.

[0039] In some embodiments, the connector 300 includes a first portion 310 and a second portion 320. The outer diameter of the first portion 310 is larger than the outer diameter of the second portion 320. The first portion 310 abuts against the stop portion 210, and the second portion 320 is provided with an external thread 321. It is understood that the connector 300 is connected to the nut of the external structure via the external thread 321 on the second portion 320, facilitating the assembly and disassembly of the gas meter terminal assembly and the external structure. The first portion 310 of the connector 300, as a stop structure of the external structure, can stop and limit the nut, preventing the external structure from detaching from the external thread 321.

[0040] In some specific embodiments, the first part 310 is provided with a mounting groove 311, and a gasket 400 is provided in the mounting groove 311. It can be understood that in actual operation, after the external structure is rotated to connect with the second part 320, the nut abuts against the gasket 400, which can prevent the nut from rubbing against the first part 310, reduce the probability of debris generation, and improve the reliability of the gas meter terminal assembly.

[0041] In some embodiments, the connector 300 is a copper connector. Of course, in other embodiments of this invention, the connector 300 may be made of other materials as needed, and is not limited to a copper structure.

[0042] In the description of this specification, references to terms such as "some embodiments," "other embodiments," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0043] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A gas meter terminal post assembly, comprising: include: Multiple core wires (100) and rubber parts (200), the multiple core wires (100) are inserted through the rubber parts (200) and are vulcanized integrally with the rubber parts (200), and the rubber parts (200) are provided with stop portions (210); A connector (300) is sleeved on the rubber part (200), and one end of the connector (300) abuts against the stop part (210).

2. The gas meter post assembly of claim 1, wherein, The portion of the core wire (100) that mates with the rubber component (200) is provided with an adhesive coating.

3. The gas meter terminal assembly according to claim 1, characterized in that, The outer diameter of the rubber part (200) is D1, and the inner diameter of the connector (300) is D2. D1 and D2 satisfy the relationship: 0.5mm≤D1-D2≤0.7mm.

4. The gas meter terminal assembly according to claim 1, characterized in that, The stop portion (210) includes an annular protrusion extending circumferentially along the rubber member (200).

5. The gas meter terminal assembly according to claim 4, characterized in that, The outer diameter of the annular protrusion is D3, and the inner diameter of the connector (300) is D2, where 1.5mm ≤ D3 - D2.

6. The gas meter terminal assembly according to claim 1, characterized in that, The connector (300) has an inner hole (301) that mates with the rubber part (200), and an anti-reverse step (302) is provided at the end of the inner hole (301) away from the stop part (210).

7. The gas meter terminal assembly according to claim 6, characterized in that, The inner hole (301) includes a first hole (3011) and a second hole (3012), the inner diameter of the first hole (3011) is larger than the inner diameter of the second hole (3012), and the anti-reverse step (302) is formed at the junction of the first hole (3011) and the second hole (3012).

8. The gas meter terminal assembly according to any one of claims 1-7, characterized in that, The connector (300) includes a first part (310) and a second part (320). The outer diameter of the first part (310) is larger than the outer diameter of the second part (320). The first part (310) abuts against the stop (210). The second part (320) is provided with an external thread (321).

9. The gas meter terminal assembly according to claim 8, characterized in that, The first part (310) is provided with a mounting groove (311), and a gasket (400) is provided in the mounting groove (311).

10. The gas meter terminal assembly according to any one of claims 1-7, characterized in that, The connector (300) is a copper connector.

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