Clamping structure of a warning isolation device and a warning isolation device

Abstract

The application discloses a clamping structure of a warning isolation device and the warning isolation device. The clamping structure comprises a mounting seat assembly and a clamping assembly. The side of the mounting seat assembly is provided with a fixing piece. The clamping assembly has two clamping pieces and two driving pieces. The two clamping pieces are symmetrically distributed along the length direction of the mounting seat assembly. The top of the clamping piece is fixedly connected with the driving piece. The middle part of the clamping piece is slidably embedded in the mounting seat assembly. The bottom of the clamping piece is provided with a clamping part for clamping a terminal block. The mounting seat assembly and the sliding embedding structure of any clamping piece are each provided with an elastic piece. When the two driving pieces are subjected to external force, the two clamping pieces are driven to move away from each other, and the elastic piece is compressed. When the external force is removed, the elastic piece releases the elastic force and pushes the two clamping pieces to move close to each other, so that the two clamping parts have a variable clamping space for clamping the terminal block. The technical scheme can improve the adaptability of the clamping structure of the warning isolation device to different terminal blocks.

Description

Technical Field

[0001] This application relates to the field of power safety protection technology, and in particular to the clamping structure and warning isolation device of the warning isolation device. Background Technology

[0002] In the field of power safety protection, the protection and control cabinets in the main control room of substations have limited space and densely packed secondary terminals. When relay protection personnel disconnect or connect the secondary terminals of the test equipment, the distance between the operating area and the energized secondary terminals of adjacent operating equipment is extremely small. Once accidentally touched or disconnected, it may cause electric shock accidents, or even lead to serious consequences such as protection malfunctions and power grid failures.

[0003] In power construction sites, to prevent accidental contact or disassembly, warning isolation devices are typically used to isolate terminals in terminal blocks that do not require operation. In existing technology, these devices generally consist of two fixed supports and an isolation strip. The two fixed supports are installed on both sides of the corresponding terminal, and the two ends of the isolation strip are fixed to the two fixed supports. However, power systems have various types of terminal blocks (e.g., differences in size and spacing), requiring custom-made supports for each type, resulting in poor adaptability of the warning isolation devices. Utility Model Content

[0004] The main purpose of this application is to provide a clamping structure for a warning isolation device, which aims to improve the problem that existing warning isolation devices require custom-made brackets for different types of wiring terminals, resulting in poor adaptability of the warning isolation device.

[0005] To achieve the above objectives, the clamping structure proposed in this application includes a mounting base assembly and a clamping assembly. The mounting base assembly has a fixing member on its side for fixing the warning isolation tape. The clamping assembly has two clamping members and two driving members. The two clamping members are symmetrically distributed along the length direction of the mounting base assembly.

[0006] The top of the clamping member is fixedly connected to the driving member, the middle part of the clamping member is slidably embedded in the mounting base assembly, and the bottom of the clamping member is provided with a clamping part for clamping the terminal block; each of the mounting base assembly and the sliding embedding structure of any of the clamping members is provided with an elastic member, one end of the elastic member abutting against the mounting base assembly and the other end abutting against the clamping member;

[0007] When the two driving members are subjected to external force, they drive the two clamping members to move away from each other, and the elastic member is compressed. When the external force is removed, the elastic member releases its elastic force and pushes the two clamping members to move closer to each other, so that the two clamping parts have a variable clamping space for clamping terminal blocks.

[0008] In some embodiments of this application, the mounting base assembly includes a base body, each end of which is provided with a connector for abutting against the elastic member to prevent the clamping member from dislodging from the base body; the base body is provided with a sliding groove for the clamping member to be slidably embedded, and two clamping members are symmetrically distributed in the sliding groove.

[0009] In some embodiments of this application, the clamping member is provided with a receiving groove for accommodating the elastic member, one end of the elastic member abutting against the inner wall of the receiving groove, and the other end abutting against the connecting member.

[0010] In some embodiments of this application, the upper part of the connector is fixedly connected to the base by a pin, the lower part of the connector is located in the receiving groove, and the middle part of the clamping member is provided with an outward-facing clearance to avoid the connector during sliding.

[0011] In some embodiments of this application, the base is provided with a mounting groove, and the upper part of the connector is fixed in the mounting groove by a pin.

[0012] In some embodiments of this application, the top of the clamping member is provided with a connecting protrusion, and the end of the driving member is provided with a connecting groove, and the connecting protrusion is fixedly installed in the connecting groove.

[0013] In some embodiments of this application, the two drive members are L-shaped and are staggered above the mounting base assembly.

[0014] In some embodiments of this application, the upper part of the mounting base assembly is provided with a T-shaped protrusion for guidance, and the drive member is provided with a guide groove that matches the T-shaped protrusion.

[0015] In some embodiments of this application, the driving member is provided with a vertically extending force-receiving portion, which is disposed away from the end of the driving member.

[0016] This application also proposes a warning isolation device, comprising a retractable warning isolation strip and two clamping structures as described in any one of the preceding claims. The warning isolation strip includes an isolation strip and a retractor. The isolation strip is retractably housed within the retractor. The handle of the isolation strip is detachably connected to one of the clamping structures, and the retractor is detachably connected to the other clamping structure.

[0017] The clamping structure provided in this application embodiment, through the above-described structural configuration, applies external force to the two driving members during use, causing the two clamping members to move away from each other, increasing the distance between the clamping portions on the two clamping members. Then, the two clamping portions are aligned with the corresponding terminals. Next, the force applied to the two driving members is reduced or eliminated, and the two clamping members move closer together under the elastic action of their respective elastic members, reducing the distance between the clamping portions on the two clamping members. This allows the two clamping portions to clamp the terminal block, thereby clamping and fixing the clamping structure to the terminal block. In this way, the two clamping members can each utilize the elastic force of the two elastic members to adapt to different terminal blocks, clamping and fixing the clamping structure to the terminal block, thus improving the compatibility of the clamping structure of the warning isolation device with different terminal blocks. Furthermore, the warning isolation device does not require customized special brackets for different types of terminal blocks, reducing the maintenance cost of the warning isolation device. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of the warning isolation device of this application installed on the terminal block;

[0020] Figure 2 for Figure 1 A schematic diagram of the structure of the warning isolation device;

[0021] Figure 3 for Figure 1 A schematic diagram of the clamping structure in its extended state;

[0022] Figure 4 for Figure 1 A schematic diagram of the clamping structure in the clamping state;

[0023] Figure 5 for Figure 4 Another perspective on the clamping structure;

[0024] Figure 6 for Figure 4 A cross-sectional view of the clamping structure;

[0025] Figure 7 for Figure 4 Exploded view of the clamping structure;

[0026] Figure 8 for Figure 7 Schematic diagram of the central support structure;

[0027] Figure 9 for Figure 7 A schematic diagram of the drive component.

[0028] Explanation of icon numbers:

[0029] 1000 Warning isolation device; 200 Warning isolation tape; 201 Tape reel; 202 Isolation tape; 100 Clamping structure; 10 Mounting base assembly; 11 Fixing element; 12 Base body; 121 Sliding groove; 122 T-shaped protrusion; 123 Connecting element; 124 Mounting groove; 20 Clamping assembly; 21 Clamping element; 211 Clamping part; 212 Receiving groove; 213 Clearance opening; 214 Connecting protrusion; 22 Driving element; 221 Connecting groove; 222 Guide groove; 223 Force-bearing part; 30 Elastic element.

[0030] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0032] In this application, unless otherwise expressly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0033] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

[0034] This application provides a clamping structure 100 for a warning isolation device 1000. This warning isolation device 1000 can be applied in the field of power safety protection and is used to install on the terminal blocks of a protection control cabinet, serving as a warning and isolation mechanism to prevent accidental contact or disassembly by construction personnel, thereby improving the safety of power construction operations. Please refer to the following references. Figures 3 to 7 The clamping structure 100 includes a mounting base assembly 10 and a clamping assembly 20. The mounting base assembly 10 has a fastener 11 on its side for securing the warning isolation tape 200. This fastener 11 can have various forms, such as a slot, a buckle, or a protrusion, etc., for quick release. This application does not specifically limit the specific shape of the fastener 11. The clamping assembly 20 has two clamping members 21 and two driving members 22. The two clamping members 21 are symmetrically distributed along the length of the mounting base assembly 10.

[0035] The top of the clamping member 21 is fixedly connected to the driving member 22, the middle part of the clamping member 21 is slidably embedded in the mounting base assembly 10, and the bottom of the clamping member 21 is provided with a clamping part 211 for clamping the terminal block. There are several ways to achieve the fixed connection between the clamping member 21 and the driving member 22. In one way, the clamping member 21 is fixedly connected to the driving member 22 by a screw structure; in another way, the clamping member 21 is directly fixedly connected to the driving member 22 by an adhesive. It is understood that the sidewalls of the wire-passing holes of different models of terminal blocks are similar. Therefore, the clamping part 211 can be adapted to fit the sidewall of the wire-passing hole, and the clamping part 211 is used to clamp the sidewall of the wire-passing hole of the terminal block.

[0036] Each of the sliding embedding structures of the mounting base assembly 10 and any clamping member 21 is provided with an elastic member 30. One end of the elastic member 30 abuts against the mounting base assembly 10 and the other end abuts against the clamping member 21. When the two driving members 22 are subjected to external force, they drive the two clamping members 21 to move away from each other, and the elastic member 30 is compressed. When the external force is removed, the elastic member 30 releases its elastic force and pushes the two clamping members 21 closer to each other, so that the two clamping parts 211 have a variable clamping space for clamping terminal blocks.

[0037] Understandably, when the two driving members 22 are subjected to external force, they cause the two clamping members 21 to move away from each other. The two clamping members 21 act on the elastic member 30 respectively, that is, they overcome the elasticity of the elastic member 30 and compress the elastic member 30. At the same time, the two clamping members 21 cause the two clamping parts 211 to move away from each other (that is, the clamping structure 100 is in an extended state), placing the two clamping parts 211 on both sides of the terminal block. At this time, the external force applied to the two driving members 22 is reduced or eliminated. Since the elastic member 30 was previously compressed and stored elastic potential energy, when the elastic force released by the elastic potential energy is greater than the external force that causes the two driving members 22 to move away from each other, the two elastic members 30 push the two clamping members 21 to move closer to each other, and at the same time cause the two clamping parts 211 to move closer to each other, finally clamping them on both sides of the terminal block (that is, the clamping structure 100 is in a clamping state). When it is necessary to release the terminal block, an external force is applied to the two driving members 22 to cause the two clamping members 21 to move away from each other.

[0038] The clamping structure 100 provided in this embodiment, through the above-described structural configuration, applies external force to the two driving members 22 during use, causing the two clamping members 21 to move away from each other, increasing the distance between the clamping portions 211 on the two clamping members 21. Then, the two clamping portions 211 are aligned with the corresponding terminals. Next, the force applied to the two driving members 22 is reduced or eliminated, and the two clamping members 21 move closer to each other under the elastic action of the corresponding elastic members 30, reducing the distance between the clamping portions 211 on the two clamping members 21. This allows the two clamping portions 211 to clamp the terminal block, thereby clamping and fixing the clamping structure 100 to the terminal block. In this way, the two clamping members 21 can adapt to different terminal blocks using the elastic force of the two elastic members 30, clamping and fixing the clamping structure 100 to the terminal block, thereby improving the compatibility of the clamping structure 100 of the warning isolation device 1000 with different terminal blocks. In addition, the warning isolation device 1000 does not require custom-made brackets for different types of terminals, which reduces the maintenance cost of the warning isolation device 1000.

[0039] At the same time, the two clamping parts 21 always tend to move closer to each other, which improves the stability of the clamping structure 100 fixed on the terminal block, making the clamping structure 100 less prone to displacement or falling off, and thus enabling the warning isolation device 1000 to effectively warn and isolate the terminal block that does not need to be operated.

[0040] In some examples, such as Figures 3 to 7 As shown, the mounting base assembly 10 includes a base body 12, and each end of the base body 12 is provided with a connector 123 for abutting against the elastic member 30 to stop the clamping member 21 from being dislodged from the base body 12; the base body 12 is provided with a sliding groove 121 for the clamping member 21 to be slidably embedded, and the two clamping members 21 are symmetrically distributed in the sliding groove 121.

[0041] The connector 123 can be fixed to the base 12 by a non-removable connection method, such as bonding or welding. The connector 123 can also be fixed to the base 12 by a detachable connection method, such as plug-in or threaded connection.

[0042] With this configuration, the clamping member 21 is slidably embedded in the sliding groove 121. Restricted by the sliding groove 121, the clamping member 21 can only slide along the groove wall, improving the stability of the clamping member 21 relative to the base 12. Furthermore, the connecting member 123 not only prevents the clamping member 21 from detaching from the base 12 but also limits the stroke of the clamping member 21, improving the reliability of the clamping structure 100.

[0043] In some examples, such as Figure 7 and Figure 8 As shown, the sliding groove 121 has a limiting groove on its groove wall, and the clamping member 21, which is interlocked with the sliding groove 121, has a protruding limiting rib. The limiting rib slides in cooperation with the limiting groove. This design aims to further improve the stability of the clamping member 21 relative to the base 12 through the cooperation of the limiting rib and the limiting groove.

[0044] It should be noted that the number of limiting ribs and the number of limiting grooves are in a one-to-one correspondence. Figure 7 and Figure 8 In the example shown, the number of limiting ribs and the number of limiting grooves are both four, and the limiting ribs are distributed at intervals in the sliding groove 121.

[0045] In some examples, such as Figures 4 to 7 As shown, the clamping member 21 is provided with a receiving groove 212 for accommodating the elastic member 30. One end of the elastic member 30 abuts against the inner wall of the receiving groove 212, and the other end abuts against the connecting member 123. The elastic member 30 is usually a spring. Springs can provide stable and reliable elastic force, and the production technology of springs is mature and easy to obtain in the market.

[0046] This configuration provides a stable and reliable working environment for the elastic element 30, reducing interference from external factors when the elastic element 30 is compressed, and reducing the elastic force exerted on other unnecessary objects when the elastic element 30 releases its elastic potential energy. Furthermore, the receiving groove 212 facilitates the installation of the elastic element 30.

[0047] In some examples, such as Figures 4 to 7 As shown, the upper part of the connector 123 is fixedly connected to the base 12 by a pin, the lower part of the connector 123 is located in the receiving groove 212, and the middle part of the clamping member 21 is provided with an avoidance opening 213 on the outward side to avoid the connector 123 during sliding.

[0048] This arrangement is designed to facilitate the installation of the connector 123 via the clearance opening 213. Furthermore, the lower part of the connector 123 is located within the receiving groove 212, and the elastic member 30 can abut against the inner wall of the receiving groove 212 and the connector 123 within the receiving groove 212.

[0049] In some examples, such as Figures 4 to 7 As shown, the base 12 is provided with a mounting groove 124, and the upper part of the connector 123 is fixed in the mounting groove 124 by a pin. It should be noted that in some examples, the opening of the mounting groove 124 is adjacent to the sliding groove 121 mentioned above. This arrangement is intended to facilitate the fixing of the connector 123 with a pin, and the cooperation between the upper part of the connector 123 and the mounting groove 124 can improve the stability of the connector 123.

[0050] In some examples, such as Figure 6 , Figure 7 and Figure 9 As shown, the top of the clamping member 21 is provided with a connecting protrusion 214, and the end of the driving member 22 is provided with a connecting groove 221. The connecting protrusion 214 is fixedly installed in the connecting groove 221. This arrangement is intended to facilitate the connection between the driving member 22 and the clamping member 21.

[0051] In some examples, the two drive members 22 are L-shaped and are staggered above the mounting base assembly 10. The staggered arrangement of the two drive members 22 above the mounting base assembly 10 means that the two drive members 22 are arranged as follows: Figure 4 The two drive members 22 are interlocked as shown, so that they can be engaged with each other when the clamping structure 100 is in the clamping state, reducing the distance between the two drive members 22 and making it easier for the operator to operate the clamping structure 100 with one hand.

[0052] In some examples, such as Figures 6 to 9 As shown, the upper part of the mounting base assembly 10 is provided with a T-shaped protrusion 122 for guidance, and the driving member 22 is provided with a guide groove 222 that matches the T-shaped protrusion 122. This design simplifies the T-block structure, facilitates the manufacturing and processing of the mounting base assembly 10, and facilitates the installation of the two driving members 22. The T-block guides the driving member 22, preventing it from shifting during sliding.

[0053] In some examples, such as Figure 4 As shown, the drive member 22 is provided with a vertically extending force-receiving part 223, which is located away from the end of the drive member 22. This arrangement is intended to facilitate the operation of the clamping structure 100 by the operator.

[0054] This application also proposes a warning isolation device 1000, which includes a retractable warning isolation strip 200 and two clamping structures 100 as described above. The warning isolation strip 200 includes an isolation strip 202 and a retractable retractor 201. The isolation strip 202 is retractably housed within the retractor 201. The handle of the isolation strip 202 is detachably connected to one clamping structure 100, and the retractor 201 is detachably connected to the other clamping structure 100. Specifically, the handle and the retractor 201 are detachably connected to the fixing members 11 of the two clamping structures 100, respectively.

[0055] The tape reel 201 has a receiving space for accommodating the isolation tape 202. When the warning isolation device 1000 is not used, the tape reel 201 can reel the isolation tape 202 into the receiving space by external force or its own electricity. When the warning isolation device 1000 is used, the isolation tape 202 can be pulled out from the receiving space of the tape reel 201 by applying a pulling force to the handle.

[0056] The warning isolation device 1000 provided in this application embodiment has two clamping structures 100 for clamping corresponding terminals in the terminal block, thereby fixing the warning isolation device 1000 to the terminal block, and isolating some terminals that do not need to be operated through the isolation strip 202, so as to play a warning isolation role, avoid construction personnel from accidentally touching or disassembling, and improve the safety of power construction operations.

[0057] The above description is merely an optional embodiment of this application and does not limit the patent scope of this application. Any equivalent structural transformations made based on the inventive concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this application.

Claims

1. A clamping structure for a warning isolation device, comprising a mounting base assembly and a clamping assembly, wherein the mounting base assembly has a fixing member on its side for fixing a warning isolation strip, characterized in that: The clamping assembly has two clamping members and two driving members, with the two clamping members symmetrically distributed along the length direction of the mounting base assembly; The top of the clamping member is fixedly connected to the driving member, the middle part of the clamping member is slidably embedded in the mounting base assembly, and the bottom of the clamping member is provided with a clamping part for clamping the terminal block; each of the mounting base assembly and the sliding embedding structure of any of the clamping members is provided with an elastic member, one end of the elastic member abutting against the mounting base assembly and the other end abutting against the clamping member; When the two driving members are subjected to external force, they drive the two clamping members to move away from each other, and the elastic member is compressed. When the external force is removed, the elastic member releases its elastic force and pushes the two clamping members to move closer to each other, so that the two clamping parts have a variable clamping space for clamping terminal blocks.

2. The clamping structure of the warning isolation device as described in claim 1, characterized in that, The mounting base assembly includes a base body, and each end of the base body is provided with a connector for abutting against the elastic member to prevent the clamping member from dislodging from the base body; the base body is provided with a sliding groove for the clamping member to be slidably embedded, and the two clamping members are symmetrically distributed in the sliding groove.

3. The clamping structure of the warning isolation device as described in claim 2, characterized in that, The clamping member is provided with a receiving groove for accommodating the elastic member, one end of the elastic member abuts against the inner wall of the receiving groove, and the other end abuts against the connecting member.

4. The clamping structure of the warning isolation device as described in claim 3, characterized in that, The upper part of the connector is fixedly connected to the base body by a pin, the lower part of the connector is located in the receiving groove, and the middle part of the clamping member is provided with an outward-facing clearance to avoid the connector during sliding.

5. The clamping structure of the warning isolation device as described in claim 2, characterized in that, The base is provided with a mounting groove, and the upper part of the connector is fixed in the mounting groove by a pin.

6. The clamping structure of the warning isolation device as described in claim 1, characterized in that, The clamping member has a connecting protrusion at its top and a connecting groove at its end. The connecting protrusion is fixedly installed in the connecting groove.

7. The clamping structure of the warning isolation device as described in claim 1, characterized in that, The two drive members are L-shaped and are staggered above the mounting base assembly.

8. The clamping structure of the warning isolation device as described in claim 7, characterized in that, The upper part of the mounting bracket assembly is provided with a T-shaped protrusion for guidance, and the drive member is provided with a guide groove that matches the T-shaped protrusion.

9. The clamping structure of the warning isolation device as described in claim 7, characterized in that, The driving member has a vertically extending force-receiving part, which is located away from the end of the driving member.

10. A warning isolation device, characterized in that, The device includes a retractable warning isolation tape and two clamping structures as described in any one of claims 1 to 9. The warning isolation tape includes an isolation tape and a tape reel, the isolation tape being retractably housed within the tape reel, the handle of the isolation tape being detachably connected to one of the clamping structures, and the tape reel being detachably connected to the other of the clamping structures.

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