Waterproof wire clamp

Abstract

The utility model provides a waterproof wire clamp which comprises an upper box body and a lower box body, one end of the upper box body and one end of the lower box body are hinged through a hinge shaft, and the other end of the upper box body and the other end of the lower box body are clamped through a buckle structure. Two fixed seats distributed at an interval are arranged in the lower box body, a conductive wire clamp for connecting a detonating bus and a leg wire is connected in each fixed seat, two crimping seats corresponding to the two conductive wire clamps respectively are arranged on the upper box body, and a bus clamping groove and a leg wire clamping groove with upward openings are formed in the tops of the conductive wire clamps; the width of the bus clamping groove is the same as the diameter of an inner core of a bus, the width of the leg wire clamping groove is the same as the diameter of an inner core of a leg wire, the conductive wire clamp is provided with a puncturing structure, and the puncturing structure is arranged close to the bus clamping groove, so that the skin of the bus entering the bus clamping groove is punctured by the puncturing structure. According to the wire clamp, the wire skin of the bus entering the bus clamping groove is punctured, the contact area of the inner core of the bus and the conductive wire clamp is increased, and the reliability and stability of connection between the bus and the conductive wire clamp are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of blasting detonators, in particular to a waterproof wire clip. Background Art

[0002] The wire clamp is a device used for safe blasting, usually used in coal mines, construction, highways and other fields. Its main function is to prevent the detonator wire from breaking or moving during the blasting process, thereby ensuring the safety and effectiveness of the blasting. The detonator wire clamp is easy to use, ensures the safety of blasting, and can improve the efficiency of blasting. It is an indispensable device in the modern blasting industry. Chinese Patent Announcement No. (CN213396793U) discloses a quick-connect wire clamp structure for electronic detonator leg wires and busbars. When the busbar is connected to the conductive wire clamp, there is a phenomenon that the busbar wire skin cannot be pierced, which reduces the contact area between the inner core of the busbar and the conductive wire clamp, affecting the overall use of the wire clamp. Utility Model Content

[0003] The technical problem to be solved by the utility model is that when the busbar is connected to the conductive wire clip, there is a phenomenon that the busbar wire skin cannot be pierced. In order to overcome the defects of the above prior art, the utility model provides a waterproof wire clip.

[0004] The utility model provides a waterproof wire clamp, comprising an upper box body and a lower box body, wherein one end of the upper box body and the lower box body are hinged by a hinge shaft, and the other end of the upper box body and the lower box body are clamped by a snap structure; two fixed seats distributed at intervals are arranged in the lower box body, and each of the fixed seats is connected with a conductive wire clamp for connecting a detonating busbar and a foot line, the upper box body is provided with two crimping seats respectively corresponding to the two conductive wire clamps, a busbar clamping groove and a foot line clamping groove with openings facing upwards are arranged on the top of the conductive wire clamp, the groove width of the busbar clamping groove is the same as the inner core diameter of the busbar, the groove width of the foot line clamping groove is the same as the inner core diameter of the foot line, a piercing structure is provided on the conductive wire clamp, and the piercing structure is arranged close to the busbar clamping groove, so that the busbar after entering the busbar clamping groove is pierced through the wire skin by the piercing structure.

[0005] Compared with the prior art, the waterproof wire clip of the present application has the following advantages: the conductive wire clip is a blade structure with a thin thickness, that is, when the wire clip is buckled, the buckling force of the upper and lower box bodies is small, and the connection is easy and convenient to use; by providing a piercing structure on the conductive wire clip close to the busbar slot, the busbar skin is pierced after entering the busbar slot, thereby increasing the contact area between the inner core of the busbar and the conductive wire clip, and improving the connection reliability and stability between the busbar and the conductive wire clip.

[0006] In a possible embodiment, the conductive wire card includes a first metal sheet, a second metal sheet, a third metal sheet and a fourth metal sheet connected in sequence, the first metal sheet, the second metal sheet, the third metal sheet and the fourth metal sheet are combined to form a rectangular frame structure, the upper ends of the first metal sheet and the third metal sheet are provided with the busbar card slot, and the upper ends of the second metal sheet and the fourth metal sheet are provided with the foot wire card slot.

[0007] Compared with the prior art, the above technical solution can ensure that the busbars and leg wires are reliably arranged on the conductive line card, while improving the structural reliability of the conductive line card.

[0008] In a possible implementation manner, a busbar guide bayonet communicating with the busbar slot is provided at the opening of the busbar slot, and the busbar guide bayonet is arranged in an inverted eight-shaped structure.

[0009] Compared with the prior art, the above technical solution can facilitate the busbar to enter the busbar clamping slot and improve the busbar clamping efficiency.

[0010] In a possible implementation, the piercing structure includes a first blade disposed at the busbar guide bayonet and a second blade disposed at the upper groove wall of the busbar groove, and the first blade and the second blade are disposed in an arc-shaped transition.

[0011] Compared with the prior art, the above technical solution can achieve piercing the busbar sheath, has a simple structure and is easy to use.

[0012] In a possible implementation manner, the lower portion of the busbar slot is arranged in a U-shaped structure.

[0013] Compared with the prior art, the above technical solution can improve the contact reliability between the busbar and the conductive line card.

[0014] In a possible implementation manner, a foot line guide slot connected to the foot line slot is provided at the opening of the foot line slot, and the foot line guide slot is arranged in an inverted figure eight structure.

[0015] Compared with the prior art, the above technical solution can facilitate the foot wire to enter the foot wire clamping slot, thereby improving the wire clamping efficiency.

[0016] In a possible implementation manner, an anti-drop hook is provided at the lower end of any one of the first metal sheet, the second metal sheet, the third metal sheet and the fourth metal sheet.

[0017] Compared with the prior art, the above technical solution can improve the reliability of connecting the conductive wire card to the fixing seat.

[0018] In a possible implementation manner, the upper box body and the lower box body are both injection molded from a transparent material.

[0019] Compared with the prior art, the above technical solution can facilitate observation of waterproof performance and prevent rust and corrosion of the line card. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the first embodiment of the conductive line card;

[0022] Figure 3 It is a structural schematic diagram of the second embodiment of the conductive line card;

[0023] Figure 4 It is a structural schematic diagram of the third embodiment of the conductive line card;

[0024] Description of reference numerals:

[0025] 1. Upper box body; 2. Lower box body; 3. Hinge shaft; 4. Buckle structure; 5. Fixed seat; 6. Conductive wire clip; 61. First metal sheet; 62. Second metal sheet; 63. Third metal sheet; 64. Fourth metal sheet; 7. Crimping seat; 8. Busbar slot; 81. Busbar guide slot; 9. Foot wire slot; 91. Foot wire guide slot; 10. Piercing structure; 101. First blade; 102. Second blade; 20. Anti-slip hook. DETAILED DESCRIPTION

[0026] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.

[0027] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0028] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0029] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] Embodiment 1

[0031] See also Figure 1 and Figure 2 The embodiment of the present application discloses a waterproof wire clamp, comprising an upper box body 1 and a lower box body 2, one end of the upper box body 1 and the lower box body 2 are hinged by a hinge shaft 3, and the other end of the upper box body 1 and the lower box body 2 are clamped by a buckle structure 4; two fixed seats 5 distributed at intervals are arranged in the lower box body 2, and each of the fixed seats 5 is connected with a conductive wire clamp 6 for connecting the detonating busbar and the foot wire, the upper box body 1 is provided with two crimping seats 7 corresponding to the two conductive wire clamps 6 respectively, the top of the conductive wire clamp 6 is provided with a busbar clamping groove 8 and a foot wire clamping groove 9 with openings facing upwards, the groove width of the busbar clamping groove 8 is the same as the inner core diameter of the busbar, the groove width of the foot wire clamping groove 9 is the same as the inner core diameter of the foot wire, and the conductive wire clamp 6 is provided with a piercing structure 10, and the piercing structure 10 is arranged close to the busbar clamping groove 8, so that the busbar after entering the busbar clamping groove 8 is pierced by the piercing structure 10.

[0032] As can be seen from the above, the conductive wire card 6 is a blade structure with a thin thickness, that is, when the wire card is buckled, the buckling force of the upper and lower box bodies is small, which can be easily connected and convenient to use; by providing a piercing structure 10 on the conductive wire card 6 close to the busbar slot 8, the busbar skin is pierced after entering the busbar slot 8, thereby increasing the contact area between the busbar inner core and the conductive wire card 6, and improving the connection reliability and stability between the busbar and the conductive wire card 6.

[0033] In this embodiment, the conductive wire card 6 includes a first metal sheet 61, a second metal sheet 62, a third metal sheet 63 and a fourth metal sheet 64 which are connected in sequence. The first metal sheet 61, the second metal sheet 62, the third metal sheet 63 and the fourth metal sheet 64 are combined to form a rectangular frame structure. The upper ends of the first metal sheet 61 and the third metal sheet 63 are provided with the busbar slot 8, and the upper ends of the second metal sheet 62 and the fourth metal sheet 64 are provided with the footbar slot 9, thereby enabling the busbar and the footbar to be reliably arranged on the conductive wire card 6, while improving the structural reliability of the conductive wire card 6.

[0034] In this embodiment, a busbar guide slot 81 connected to the busbar slot 8 is provided at the opening of the busbar slot 8. The busbar guide slot 81 is arranged in an inverted eight-shaped structure, thereby facilitating the busbar to enter the busbar slot 8 and improving the busbar clamping efficiency.

[0035] In this embodiment, the piercing structure 10 includes a first blade 101 arranged on the busbar guide bayonet 81 and a second blade 102 arranged on the upper groove wall of the busbar slot 8. The first blade 101 and the second blade 102 are arranged in an arc-shaped transition, thereby being able to pierce the busbar skin. The structure is simple and easy to use.

[0036] In this embodiment, the lower portion of the busbar clamping slot 8 is arranged in a U-shaped structure, thereby improving the contact reliability between the busbar and the conductive wire clamp 6 .

[0037] In this embodiment, a foot wire guide slot 91 connected to the foot wire slot 9 is provided at the opening of the foot wire slot 9. The foot wire guide slot 91 is arranged in an inverted figure eight structure, thereby facilitating the foot wire to enter the foot wire slot 9 and improving the wire clamping efficiency.

[0038] In this embodiment, the lower ends of the first metal sheet 61 , the second metal sheet 62 , the third metal sheet 63 and the fourth metal sheet 64 are all provided with anti-drop hooks 20 , thereby improving the reliability of the connection of the conductive card 6 to the fixing seat 5 .

[0039] In this embodiment, the upper box body 1 and the lower box body 2 are both injection-molded from a transparent material, which facilitates observation of the waterproof performance and prevents the wire card from rusting and corroding.

[0040] Embodiment 2

[0041] See also Figure 3 The difference between this embodiment and the first embodiment is that the lower ends of the second metal sheet 62 and the fourth metal sheet 64 are provided with anti-drop hooks 20; the first blade 101 and the second blade 102 are on the same plane, which is convenient for blade processing. The length of the second blade 102 is less than half the depth of the busbar slot 8.

[0042] Embodiment 3

[0043] See also Figure 4 The difference between this embodiment and the second embodiment is that the length of the second blade 102 is greater than half the depth of the busbar slot 8, which is more conducive to piercing the busbar sheath.

[0044] In the description of the embodiments of the present application, it should be noted that in the description of the present application, terms such as "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is only for the convenience of description, and does not indicate or imply that the device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present application.

[0045] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "in the present embodiment", "specific example", or "some examples" etc. means that the specific features, mechanisms, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0046] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A waterproof wire clip, comprising an upper box body (1) and a lower box body (2), wherein one end of the upper box body (1) and the lower box body (2) are hinged by a hinge shaft (3), and the other end of the upper box body (1) and the lower box body (2) are clamped by a buckle structure (4); two fixed seats (5) are arranged in the lower box body (2) and are spaced apart, and each of the fixed seats (5) is connected with a conductive wire clip (6) for connecting a detonating busbar and a foot line, and the upper box body (1) is provided with two crimping seats (7) corresponding to the two conductive wire clips (6), characterized in that: The top of the conductive wire clamp (6) is provided with a busbar clamping slot (8) and a footbar clamping slot (9) with openings facing upwards, the width of the busbar clamping slot (8) is the same as the inner core diameter of the busbar, the width of the footbar clamping slot (9) is the same as the inner core diameter of the footbar, and the conductive wire clamp (6) is provided with a piercing structure (10), the piercing structure (10) is arranged close to the busbar clamping slot (8), so that the busbar entering the busbar clamping slot (8) is pierced through the wire skin by the piercing structure (10).

2. The waterproof cable card according to claim 1, characterized in that: The conductive line card (6) comprises a first metal sheet (61), a second metal sheet (62), a third metal sheet (63) and a fourth metal sheet (64) which are connected in sequence; the first metal sheet (61), the second metal sheet (62), the third metal sheet (63) and the fourth metal sheet (64) are combined to form a rectangular frame structure; the upper ends of the first metal sheet (61) and the third metal sheet (63) are both provided with the busbar card slot (8); the upper ends of the second metal sheet (62) and the fourth metal sheet (64) are both provided with the foot line card slot (9).

3. The waterproof wire card according to claim 2, characterized in that: A busbar guide bayonet (81) communicating with the busbar slot (8) is provided at the opening of the busbar slot (8), and the busbar guide bayonet (81) is arranged in an inverted eight-shaped structure.

4. The waterproof cable card according to claim 3, characterized in that: The piercing structure (10) comprises a first blade (101) arranged on the busbar guide bayonet (81) and a second blade (102) arranged on the upper groove wall of the busbar groove (8), wherein the first blade (101) and the second blade (102) are arranged in an arc-shaped transition.

5. The waterproof cable card according to claim 4, characterized in that: The lower part of the busbar slot (8) is arranged in a U-shaped structure.

6. The waterproof wire card according to claim 2, characterized in that: A foot line guide slot (91) communicating with the foot line slot (9) is provided at the opening of the foot line slot (9), and the foot line guide slot (91) is arranged in an inverted figure eight structure.

7. The waterproof wire card according to claim 2, characterized in that: An anti-drop hook (20) is provided at the lower end of any one of the first metal sheet (61), the second metal sheet (62), the third metal sheet (63) and the fourth metal sheet (64).

8. The waterproof cable card according to claim 1, characterized in that: The upper box body (1) and the lower box body (2) are both injection-molded from a transparent material.

Images