Waterproof wire clamp

Abstract

The utility model provides a waterproof wire clamp, relates to the technical field of wire clamps, and aims to solve the technical problems of high cost and low production efficiency of a waterproof wire clamp in the prior art. A waterproof wire clamp comprises an upper cover and a lower cover which are rotatably connected, a reed is arranged in the lower cover, an annular closed sealing ring surrounding the reed is arranged in the lower cover, the upper cover is provided with an annular closed protruding part corresponding to the sealing ring in position, and the upper cover and the lower cover are provided with buckle assemblies. The buckle assembly is used for fixing the upper cover and the lower cover when the upper cover is closed and enabling the protruding part to abut against the sealing ring, so that the protruding part and the sealing ring form a sealed space to play a waterproof role on the internal reed, and the wire clamp can be normally and effectively connected with a circuit and work normally in humid and dusty environments such as rainy days, rivers and lakes. And only a sealing ring needs to be arranged in the lower cover, so that the product cost is reduced, the assembly efficiency is also improved, and meanwhile, the labor cost is also reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wire clamp technical field, specifically refers to a waterproof wire clamp. BACKGROUND

[0002] Electronic detonator, also called digital electronic detonator, digital detonator or industrial digital electronic detonator, is an electric detonator controlled by an electronic control module, and the wire clamp connector used in the electronic detonator is used to connect and conduct the corresponding wires in two cables, that is, the two wires of the sub-wire A are respectively overlapped on the corresponding two wires of the bus B to realize conduction.

[0003] At present, some wire clamps on the market have no waterproof function and can only be used in dry environments such as fine weather, and cannot work normally in humid or some extreme conditions, so that the product has the risk of short circuit and line connection. A waterproof wire clamp on the market uses the method of adding silicone grease to cover the reed to achieve waterproof purpose, but the silicone grease has the disadvantages of sticky hands, pollution of workshop environment, inconvenient operation, low assembly efficiency, difficult operation and assembly, etc. Another waterproof wire clamp sets a sealing ring on the upper cover and the lower cover, so that the upper cover and the lower shell can be sealed, so the product cost is too high, the production efficiency is low, and the labor cost is also greatly increased. UTILITY MODEL CONTENTS

[0004] In view of the defects of the prior art, the utility model aims to provide a waterproof wire clamp to solve the technical problems of high cost and low production efficiency of the waterproof wire clamp in the prior art.

[0005] To solve the above technical problems, the utility model provides a waterproof wire clamp, which comprises a rotatingly connected upper cover and lower cover, and a reed is arranged in the lower cover, wherein a sealing ring is arranged around the reed in the lower cover and is annularly closed, the upper cover is provided with a protruding part corresponding in position to the sealing ring and annularly closed, and the upper cover and the lower cover are provided with a buckle assembly, which is used to fix the upper cover and the lower cover when the upper cover is closed and make the protruding part abut against the sealing ring.

[0006] After adopting the above structure, the utility model has the following advantages: the upper cover and the lower cover are fixed by the buckle assembly in the closed state of the wire clamp, a continuous extrusion force is provided, the protruding part abuts against the sealing ring, a sealing space is formed by the protruding part and the sealing ring to play a waterproof role on the internal reed, the wire clamp can normally and effectively connect the line in a humid and dusty environment such as rainy day, river and lake, and work normally, only the sealing ring needs to be arranged in the lower cover, the product cost is reduced, the assembly efficiency is improved, and the labor cost is also reduced.

[0007] As an improvement, the sealing ring is formed by drying after dispensing by a dispensing machine; by using this structure, automatic production is realized, problems such as hand sticking and workshop environment pollution caused by the use of silicone grease are avoided, production efficiency is improved, labor cost is reduced, and the cost of opening another mold is saved.

[0008] As an improvement, the buckle assembly includes two first buckle groups and two second buckle groups; by using this structure, the upper cover and the lower cover are fixed by four buckles, the stability and reliability of the connection between the upper cover and the lower cover are improved, and the line card is prevented from being tripped in water.

[0009] As an improvement, the two first buckle groups are symmetrically arranged left and right, the first buckle group includes a first protrusion arranged on the inner side wall of the upper cover and a first clamping block arranged on the lower cover, and the first clamping block is provided with a first clamping groove for clamping the first protrusion; by using this structure, the symmetrically arranged two first buckle groups further improve the stability and reliability of the connection between the upper cover and the lower cover.

[0010] As an improvement, the first protrusion is provided with a first guide inclined surface at the lower end surface, the first clamping block is provided with a second guide inclined surface at the upper end surface, and when the upper cover is closed, the first guide inclined surface and the second guide inclined surface abut to make the first protrusion clamped into the first clamping groove; by using this structure, the first guide inclined surface and the second guide inclined surface play a guiding role to facilitate the deformation of the first protrusion, so that the first protrusion can be smoothly clamped into the first clamping groove.

[0011] As an improvement, the upper cover includes a V-shaped part, the lower cover is provided with a containing groove for containing the V-shaped part, the two second buckle groups are symmetrically arranged left and right, the second buckle group includes a second protrusion arranged on the front side wall of the V-shaped part and a second clamping block arranged on the front end of the lower cover, and the second clamping block is provided with a second clamping groove for clamping the second protrusion; by using this structure, the symmetrically arranged two second buckle groups further improve the stability and reliability of the connection between the upper cover and the lower cover.

[0012] As an improvement, the second protrusion is provided with a guide arc surface at the lower end surface, and a third guide inclined surface is arranged on the inner wall of the second clamping block and faces the V-shaped part; when the upper cover is closed, the guide arc surface and the third guide inclined surface abut to make the second protrusion clamped into the second clamping groove; by using this structure, the guide arc surface and the third guide inclined surface play a guiding role to facilitate the deformation of the second protrusion, so that the second protrusion can be smoothly clamped into the second clamping groove.

[0013] As an improvement, the upper end surface of the lower cover is provided with a V-shaped groove for containing the blasting bus, and the upper cover is provided with a pressing plate corresponding to the V-shaped groove; by using this structure, the blasting bus in the V-shaped groove is pressed down by the pressing plate, the gap at the blasting bus is reduced, the external pressure is reduced, the water inflow is reduced, and the sealing effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a sectional view of the utility model.

[0015] Figure 2 is a schematic diagram of the three-dimensional structure of the lower cover part in the utility model.

[0016] Figure 3 is a schematic diagram of the three-dimensional structure of the upper cover part in the utility model.

[0017] Figure 4 is a schematic diagram of the three-dimensional structure of the utility model.

[0018] Figure 5 is a sectional view of the first buckle group in the utility model.

[0019] The drawing reference: 1, upper cover; 2, lower cover; 3, reed; 4, sealing ring; 5, protruding part; 6, first buckle group; 61, first protrusion; 62, first clamping block; 7, second buckle group; 71, second protrusion; 72, second clamping block; 8, first clamping groove; 9, first guide inclined surface; 10, second guide inclined surface; 11, V-shaped part; 12, accommodating groove; 13, second clamping groove; 14, guide arc surface; 15, third guide inclined surface; 16, V-shaped groove; 17, pressing plate. DETAILED DESCRIPTION

[0020] The utility model discloses a waterproof line card will be described in detail below in conjunction with the drawings.

[0021] As Figures 1 to 5 shown, a waterproof line card, including the rotation connection of upper cover 1 and lower cover 2, is equipped with reed 3 in lower cover 2, is equipped with the sealing ring 4 that is arranged around reed 3 and is annular closed in lower cover 2, and the number of reed 2 is two, therefore the sealing ring 4 is arranged around two reeds 2, makes all reeds be located in the inner circle of sealing ring 4, upper cover 1 is equipped with protruding part 5 with sealing ring 4 position corresponds and is annular closed, in this embodiment, protruding part 5 and sealing ring 4 are all rectangular, and protruding part 5 is integrally formed with upper cover 1 by injection molding, and sealing ring 4 is formed by dispensing after dispensing machine and drying, by oven makes the glue solidification, obtains the intensity and softness of pre-setting.

[0022] Upper cover 1 and lower cover 2 are equipped with buckle assembly, and the buckle assembly is used for fixing upper cover 1 and lower cover 2 when upper cover 1 is closed and making protruding part 5 and sealing ring 4 abut, by the buckle assembly provides a continuous extrusion force, makes in protruding part 5 and the inner circle of sealing ring 4 form a sealed space, makes line card can be normally and effectively connected in the rainy day, river, lake and other more humid, more dusty environment Line, normal work, and as Figure 1As shown, the protruding part 5 in the embodiment deforms the sealing ring 4 to embed into the sealing ring 4, and better sealing effect is achieved. The utility model only needs to set the sealing ring 4 in the lower cover 1, and the sealing ring 4 is formed by glue dispensing machine, so that product cost is reduced, assembly efficiency is improved, artificial cost is reduced, and the existing appearance size of the product can be maintained under the condition of meeting the requirements of the existing mechanical automatic production line, and the better waterproof sealing structure can be selected according to the use environment and cost price factors, so that the cost of opening another mold is saved

[0023] The buckle assembly comprises two first buckle groups 6 and two second buckle groups 7, and the four-buckle design makes the buckle not be disengaged to cause the risk of waterproof failure no matter the buckle is in water or shakes, and specifically, Figure 2 、 Figure 3 and Figure 5 As shown, the two first buckle groups 6 are symmetrically arranged left and right, the first buckle group 6 comprises a first protrusion 61 arranged on the inner wall of the upper cover 1 and a first clamping block 62 arranged on the lower cover 2, that is, the first protrusion 61 of the left first buckle group 6 is arranged on the left inner wall of the upper cover 1, the first protrusion 61 of the right first buckle group 6 is arranged on the right inner wall of the upper cover 1, the first clamping block 62 is provided with a first clamping groove 8 for clamping the first protrusion 61, and the lower end surface of the first protrusion 61 is provided with a first guide inclined surface 9, and the upper end surface of the first clamping block 62 is provided with a second guide inclined surface 10, wherein the first guide inclined surface 9 is arranged obliquely downward from inside to outside, and the second guide inclined surface 10 is arranged in parallel with the first guide inclined surface 9, when the upper cover 1 is rotated to be closed, the first guide inclined surface 9 and the second guide inclined surface 10 abut to deform the first protrusion 61 and / or the first clamping block 62, and the first protrusion 61 is clamped into the first clamping groove 8 with the rotation of the upper cover 1.

[0024] As shown in the figure, Figures 1 to 3 The upper cover 1 comprises a V-shaped part 11, the lower cover 2 is provided with a containing groove 12 for containing the V-shaped part 11, the two second buckle groups 7 are symmetrically arranged left and right, the second buckle group 7 comprises a second protrusion 71 arranged on the front side wall of the V-shaped part 11 and a second clamping block 72 arranged on the front end of the lower cover 2, the second clamping block 72 is located in front of the containing groove 12, the second clamping block 72 is provided with a second clamping groove 13 for clamping the second protrusion 71, the lower end surface of the second protrusion 71 is provided with a guide arc surface 14, and the inner wall of the V-shaped part 11 is provided with a third guide inclined surface 15 on the upper end surface of the second clamping block 72 and faces the V-shaped part 11, the third guide inclined surface 15 is arranged obliquely upward from inside to outside, when the upper cover 1 is rotated to be closed, the guide arc surface 14 and the third guide inclined surface 15 abut to deform the second protrusion 71 and / or the second clamping block 72, and the second protrusion 71 is clamped into the second clamping groove 13 with the rotation of the upper cover 1.

[0025] The first buckle group 6 is fixed by being clamped in from left to right direction, and the second buckle group 7 is fixed by being clamped in from front to back direction, so that the two groups of first buckle groups 6 and the two groups of second buckle groups 7 are fixed by mutual cooperation, and better fixing effect is achieved.

[0026] As shown in Figure 4 The lower cover 2 is provided with a V-shaped groove 16 for accommodating the blasting bus, and the upper cover 1 is provided with a pressing plate 17 corresponding to the V-shaped groove 16; the pressing plate 17 corresponds to the V-shaped groove 16 in the front and back positions, and the pressing plate 17 is located on the inner side of the V-shaped groove 16; the blasting bus in the V-shaped groove 16 is pressed down by the pressing plate 17, the gap at the blasting bus is reduced, thereby reducing the external pressure, reducing the water inflow, and improving the sealing effect.

[0027] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned one embodiment, and all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection range of the utility model.

Claims

1. A waterproof line clamp, comprising a upper cover (1) and a lower cover (2) connected by rotation, a spring (3) is arranged in the lower cover (2), characterized in that, The lower cover (2) is internally provided with a sealing ring (4) arranged around the reed (3) and in a ring shape, the upper cover (1) is provided with a protruding part (5) corresponding to the position of the sealing ring (4) and in a ring shape, the upper cover (1) and the lower cover (2) are provided with a buckle assembly, the buckle assembly is used for fixing the upper cover (1) and the lower cover (2) when the upper cover (1) is closed and making the protruding part (5) abut against the sealing ring (4).

2. The waterproof cable of claim 1, wherein, The sealing ring (4) is formed by glue dispensing and drying.

3. The waterproof cable of claim 1, wherein, The buckle assembly comprises two first buckle groups (6) and two second buckle groups (7).

4. The waterproof cable of claim 3, wherein, The two first buckle groups (6) are arranged in left-right symmetry, the first buckle group (6) comprises a first protrusion (61) arranged on the inner side wall of the upper cover (1) and a first clamping block (62) arranged on the lower cover (2), and the first clamping block (62) is provided with a first clamping groove (8) for clamping the first protrusion (61).

5. The waterproof line clamp of claim 4, wherein, The lower end surface of the first protrusion (61) is provided with a first guide inclined surface (9), and the upper end surface of the first clamping block (62) is provided with a second guide inclined surface (10), when the upper cover (1) is closed, the first guide inclined surface (9) abuts against the second guide inclined surface (10) to make the first protrusion (61) clamped into the first clamping groove (8).

6. The waterproof cable of claim 3, wherein, The upper cover (1) comprises a V-shaped part (11), the lower cover (2) is provided with an accommodating groove (12) for accommodating the V-shaped part (11), the two second buckle groups (7) are arranged in left-right symmetry, the second buckle group (7) comprises a second protrusion (71) arranged on the front side wall of the V-shaped part (11) and a second clamping block (72) arranged on the front end of the lower cover (2), and the second clamping block (72) is provided with a second clamping groove (13) for clamping the second protrusion (71).

7. The waterproof line clamp of claim 6, wherein, The lower end surface of the second protrusion (71) is provided with a guide arc surface (14), and the third guide inclined surface (15) is arranged on the inner wall of the V-shaped part (11) and faces the V-shaped part (11), when the upper cover (1) is closed, the guide arc surface (14) abuts against the third guide inclined surface (15) to make the second protrusion (71) clamped into the second clamping groove (13).

8. The waterproof cable of claim 1, wherein, The upper end surface of the lower cover (2) is provided with a V-shaped groove (16) for accommodating the blasting bus, and the upper cover (1) is provided with a pressing plate (17) corresponding to the V-shaped groove (16).

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