Cable fixing clamp

Abstract

The utility model provides a cable fixing clamp, which comprises an upper clamp and a lower clamp which are oppositely arranged, a hinge shaft is arranged between the upper clamp and the lower clamp, the upper clamp can turn over along the hinge shaft, the upper clamp is provided with a first extension lug, the lower clamp is provided with a second extension lug, and the first extension lug and the second extension lug are oppositely arranged. A first through hole is formed in the first extension lug, a second through hole is formed in the second extension lug, a fastening bolt is arranged in the first through hole and the second through hole in a penetrating mode, a bolt nut matched with the fastening bolt is arranged on the fastening bolt, and an opening enabling the first through hole to be separated from the fastening bolt is formed in the first extension lug. The cable fixing clamp can overcome the defects that in the prior art, after an adjusting bolt and a nut are dismantled in the high altitude, in case that the adjusting bolt or the nut falls off, the installation work cannot be continued, and in the falling process, a certain probability exists to crush pedestrians, so that safety accidents are caused.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixed clamp, specifically relates to a cable fixed clamp. BACKGROUND

[0002] The function of the wire fixed clamp is to stabilize the position of the wire through mechanical clamping, prevent it from deviating or loosening due to external force, vibration or self weight, and thus ensure the reliability of electrical connection and the long-term safe operation of the line system, in the prior art, the utility model patent with publication number CN216289944U discloses a cable fixed clamp, which comprises an upper clamp and a lower clamp, the two sides of the upper clamp are connected with the lower clamp through fastening assemblies respectively, the wire passes through the upper clamp and the lower clamp, the distance between the upper clamp and the lower clamp is controlled by adjusting the bolt and the nut, so that the cable of different diameters can be fastened, and the applicability of the cable fixed clamp is improved, but the wire fixed clamp is generally used in the field of high-altitude operation, if the adjusting bolt or the nut falls after the adjusting bolt and the nut are removed in the high altitude, the installation work cannot be continued, and there is a certain probability of injuring pedestrians in the falling process, resulting in safety accidents. SUMMARY

[0003] Therefore, the technical problem to be solved by the utility model is to overcome the defects that if the adjusting bolt or the nut falls after the adjusting bolt and the nut are removed in the high altitude, the installation work cannot be continued, and there is a certain probability of injuring pedestrians in the falling process, resulting in safety accidents in the prior art, so as to provide a wire cable fixed clamp which can be installed without disassembling the adjusting bolt and the nut.

[0004] Therefore, the utility model provides a cable fixed clamp, which comprises oppositely arranged upper and lower clamps, a hinge shaft is arranged between the upper and lower clamps, and the upper clamp can be turned along the hinge shaft, a first extension ear is arranged on the upper clamp, a second extension ear is arranged on the lower clamp, a first through hole is formed in the first extension ear, a second through hole is formed in the second extension ear, a fastening bolt is arranged in the first and second through holes, a bolt nut matched with the fastening bolt is arranged on the fastening bolt, and an opening is arranged at the first extension ear to make the first through hole separate from the fastening bolt.

[0005] Further, a first wire clamp is arranged in the lower clamp, a second wire clamp is arranged in the upper clamp, a containing cavity for the wire to pass through is formed between the first and second wire clamps, and a control device capable of controlling the movement of the second wire clamp to adjust the size of the containing cavity is connected to the second wire clamp.

[0006] Further, the control device comprises a moving rod coaxially arranged with the second wire clamp and an abutting device for controlling the movement of the moving rod, and the upper clamp is internally provided with an avoiding slot for vertical movement of the second wire clamp.

[0007] Further, the abutting device comprises a movable plate, a first movable rod and a second movable rod arranged at positions close to both ends of the movable plate, a first extension rod is fixed to the side of the first movable rod away from the movable plate, a second extension rod is fixed to the side of the second movable rod away from the movable plate, a reset spring is sleeved outside the first extension rod and the second extension rod, the upper clamp is internally provided with a first blind hole for insertion of the first movable rod and the first extension rod and a second blind hole for insertion of the second movable rod and the second extension rod, and the side of the reset spring away from the first extension rod and the second extension rod abuts against the side wall of the moving rod.

[0008] Further, the side wall of the upper clamp is provided with a waist-shaped slot for insertion of both ends of the moving rod, the first movable rod and the second movable rod can move the moving rod along the extension direction of the waist-shaped slot, and both ends of the moving rod are further provided with anti-disengagement blocks for preventing the moving rod from disengaging from the waist-shaped slot.

[0009] Further, the movable plate is provided above with a drive screw for controlling the up-and-down movement of the movable plate and a rotating nut linked with the drive screw, and the rotating nut is provided above with a positioning nut for positioning the rotating nut.

[0010] Further, the lower clamp is provided on the side away from the upper clamp with a connecting base plate, and the connecting base plate is provided with a plurality of positioning holes for penetration of external positioning nails.

[0011] The technical scheme of the utility model has the following advantages:

[0012] 1. Compared with the prior art, the cable fixing clamp provided by the utility model only needs to twist the bolt nut to move the bolt nut upward, at this time, the first extension ear can disengage from the fastening bolt due to the absence of the limiting of the bolt nut, so that the upper clamp can rotate along the hinged shaft, and the bolt nut does not need to be removed during the rotation of the upper clamp, therefore, the wire can be replaced without disassembling the bolt nut during high-altitude operation, thereby avoiding the risk of falling parts.

[0013] 2. The utility model provides a kind of cable fixing clamp, first wire clamp is arranged in lower clamp, second wire clamp is arranged in upper clamp, there is accommodating cavity for wire to pass between first wire clamp and second wire clamp, the arc surface that first wire clamp and second wire clamp are all set with and wire outer end surface abuts, after wire passes through accommodating cavity, its outer end surface will be in abutment with the arc surface of first wire clamp and second wire clamp, control device that controls second wire clamp to move is further arranged above second wire clamp, the size of accommodating cavity can be adjusted by the control device by controlling second wire clamp to move up and down, so as to adjust the clamping force between first wire clamp and second wire clamp and wire, avoid the gap between wire and first wire clamp and second wire clamp, cause wire can freely move in accommodating cavity, therefore by the setting of control device, after wire is installed to accommodating cavity, by operating control device, so that second wire clamp moves towards the direction close to first wire clamp, so as to reduce the space of accommodating cavity, so that the arc surface part of first wire clamp and second wire clamp is in abutment with wire outer end surface. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in prior art, the drawings needed to be used in the specific embodiment or prior art description will be simply introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and for ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0015] Figure 1 It is the overall structure schematic diagram of cable fixing clamp;

[0016] Figure 2 It is another overall structure schematic diagram of cable fixing clamp;

[0017] Figure 3 It is the internal structure schematic diagram of cable fixing clamp hidden upper clamp;

[0018] Figure 4 It is the cross-sectional structure schematic diagram of cable fixing clamp.

[0019] Mark explanation of drawing:

[0020] 1, upper clamp; 11, first extension ear; 12, first through hole; 13, avoidance groove; 14, waist-shaped groove; 2, lower clamp; 21, second extension ear; 22, second through hole; 3, hinged shaft; 4, fastening bolt; 41, bolt nut; 42, opening; 43, accommodating cavity; 5, first wire clamp; 6, second wire clamp; 7, control device; 71, moving rod; 72, abutting device; 73, movable plate; 74, first movable rod; 75, second movable rod; 76, first extension rod; 77, second extension rod; 78, anti-dropping block; 8, reset spring; 9, first blind hole; 91, second blind hole; 92, driving screw; 93, rotating nut; 94, positioning nut; 95, connecting base plate; 96, positioning hole. DETAILED DESCRIPTION

[0021] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present application.

[0022] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict between them.

[0025] EMBODIMENT

[0026] The embodiment provides a cable fixing clamp which comprises oppositely arranged upper clamps 1 and lower clamps 2, a hinge shaft 3 is arranged between the upper clamps 1 and the lower clamps 2 and the upper clamps 1 can be flipped along the hinge shaft 3, a first extension ear 11 is arranged on the upper clamps 1, a second extension ear 21 is arranged on the lower clamps 2, a first through hole 12 is arranged in the first extension ear 11, a second through hole 22 is arranged in the second extension ear 21, a fastening bolt 4 is arranged in the first through hole 12 and the second through hole 22, a bolt nut 41 matched with the fastening bolt 4 is arranged on the fastening bolt 4, and an opening 42 is arranged at the first extension ear 11 to make the first through hole 12 disengage from the fastening bolt 4.

[0027] The specific improvement is that, as shown in Figure 1 and Figure 2 When the wire is installed, the upper clamps 1 are only needed to be flipped clockwise along the hinge shaft 3, the wire is placed between the upper clamps 1 and the lower clamps 2, after the wire is placed, the upper clamps 1 are flipped counterclockwise, the fastening bolt 4 is arranged in the first through hole 12 and the second through hole 22 of the first extension ear 11 and the second extension ear 21 to fasten the upper clamps 1 and the lower clamps 2, and the bolt nut 41 is used to fix the fastening bolt 4 after the fastening bolt 4 is arranged in the first through hole 12 and the second through hole 22, compared with the prior art, when the wire is replaced, the bolt nut 41 is only needed to be screwed to move upwards, at this moment, the opening 42 of the first extension ear 11 can disengage from the fastening bolt 4 because the first extension ear 11 is not limited by the bolt nut 41, so that the upper clamps 1 can be rotated along the hinge shaft 3, the bolt nut 41 does not need to be removed in the process that the upper clamps 1 are rotated, so the wire can be replaced without removing the bolt nut 41 in the high-altitude operation, and the risk of falling parts is avoided.

[0028] On the basis of the above embodiment, the lower clamps 2 are provided with first wire clamps 5, the upper clamps 1 are provided with second wire clamps 6, a containing cavity 43 for the wire to pass through is formed between the first wire clamps 5 and the second wire clamps 6, and the second wire clamps 6 are connected with control devices 7 capable of controlling the second wire clamps 6 to move to adjust the size of the containing cavity 43.

[0029] The specific improvement is that, as shown in Figure 2 and Figure 3As shown, the first wire clamp 5 is arranged in the lower clamp 2, the second wire clamp 6 is arranged in the upper clamp 1, and the first wire clamp 5 and the second wire clamp 6 have a receiving cavity 43 for the wire to pass through. The first wire clamp 5 and the second wire clamp 6 are both provided with an arc surface that abuts against the outer end surface of the wire. After the wire passes through the receiving cavity 43, the outer end surface of the wire will abut against the arc surface of the first wire clamp 5 and the second wire clamp 6. The control device 7 is arranged above the second wire clamp 6 and controls the movement of the second wire clamp 6. The control device 7 can adjust the size of the receiving cavity 43 by controlling the up-and-down movement of the second wire clamp 6, thereby adjusting the clamping force between the first wire clamp 5, the second wire clamp 6 and the wire, avoiding the gap between the wire and the first wire clamp 5 and the second wire clamp 6, and allowing the wire to move freely in the receiving cavity 43. The hazards of wire movement include: causing the insulation layer to wear out, increasing the risk of short circuit, loosening the electrical connection, causing equipment failure, and even causing a fire or electric shock accident. Therefore, after the wire is installed in the receiving cavity 43, the control device 7 is operated to move the second wire clamp 6 towards the first wire clamp 5, thereby reducing the size of the receiving cavity 43 and causing the arc surface of the first wire clamp 5 and the second wire clamp 6 to abut against the outer end surface of the wire.

[0030] On the basis of the above embodiment: the control device 7 includes a moving rod 71 coaxially arranged with the second wire clamp 6 and an abutting device 72 for controlling the movement of the moving rod 71. The upper clamp 1 is provided with an avoidance slot 13 for the vertical movement of the second wire clamp 6.

[0031] The above specific improvement is: as shown in Figure 3 and Figure 4 The control device 7 includes a moving rod 71 and an abutting device 72 for controlling the movement of the moving rod 71. The moving rod 71 is coaxially arranged with the second wire clamp 6. Through the arrangement of the abutting device 72 and the avoidance slot 13, the moving rod 71 can move up and down, thereby better adjusting the size of the receiving cavity 43 and adjusting the clamping force between the first wire clamp 5, the second wire clamp 6 and the wire.

[0032] On the basis of the above embodiment: the abutting device 72 includes a movable plate 73, a first movable rod 74 and a second movable rod 75 arranged near the two end portions of the movable plate 73. The first movable rod 74 is fixed with a first extension rod 76 on the side away from the movable plate 73. The second movable rod 75 is fixed with a second extension rod 77 on the side away from the movable plate 73. The first extension rod 76 and the second extension rod 77 are both externally sleeved with a reset spring 8. The upper clamp 1 is provided with a first blind hole 9 for the insertion of the first movable rod 74 and the first extension rod 76 and a second blind hole 91 for the insertion of the second movable rod 75 and the second extension rod 77. The reset spring 8 is abutted against the side wall of the moving rod 71 on the side away from the first extension rod 76 and the second extension rod 77.

[0033] On the basis of the above embodiment: the upper clamp 1 side wall is provided with a waist-shaped slot 14 for inserting the two ends of the moving rod 71, the first movable rod 74 and the second movable rod 75 can move the moving rod 71 along the extension direction of the waist-shaped slot 14, and the two ends of the moving rod 71 are further provided with anti-disengagement blocks 78 for preventing the moving rod 71 from disengaging from the waist-shaped slot 14.

[0034] On the basis of the above embodiment: the movable plate 73 is provided above with a drive screw 92 for controlling the up-down movement of the movable plate 73 and a rotating nut 93 linked with the drive screw 92, and the rotating nut 93 is provided above with a positioning nut 94 for positioning the rotating nut 93.

[0035] The specific improvement is that, as shown in Figure 3 and Figure 4 the abutting device 72 movable plate 73 and the first movable rod 74 and the second movable rod 75 provided at both ends of the movable plate 73, the first movable rod 74 has a first extension rod 76 below, and the second movable rod 75 has a second extension rod 77 below, the first extension rod 76 and the second extension rod 77 are both sleeved with a reset spring 8 and inserted into the first blind hole 9 and the second blind hole 91, during use, the reset spring 8 has an upward elastic force for the first extension rod 76 and the second extension rod 77, and when the drive screw 92 rotates, it can drive the movable plate 73 to move downward (the movement principle between the movable plate 73 and the drive screw 92 can refer to the movement principle between the screw rod and the screw nut), when the operator rotates the rotating nut 93 clockwise with a tool, the rotating nut 93 drives the movable plate 73 to move downward, the movable plate 73 drives the first movable rod 74 and the second movable rod 75 to move downward, at the same time the first movable rod 74 and the second movable rod 75 move downward, the reset spring 8 can extrude the moving rod 71 to move downward, the moving rod 71 can drive the second wire clamp 6 to move downward, thereby extruding the outer end face of the wire, thereby achieving the function of clamping the wire, when the operator rotates the rotating nut 93 counterclockwise with a tool, the rotating nut 93 drives the movable plate 73 to move upward, the movable plate 73 drives the first movable rod 74 and the second movable rod 75 to move upward, at this time the reset spring 8 releases the elastic potential energy, at the same time the first movable rod 74 and the second movable rod 75 move upward, the moving rod 71 can drive the second wire clamp 6 to move upward, thereby releasing the wire, the two ends of the moving rod 71 are further provided with anti-disengagement blocks 78 for preventing the moving rod 71 from disengaging from the waist-shaped slot 14, through the setting of the anti-disengagement blocks 78, the moving rod 71 can be prevented from disengaging from the waist-shaped slot 14.

[0036] On the basis of the above embodiment: the lower clamp 2 is provided on the side facing away from the upper clamp 1 with a connecting base plate 95, and the connecting base plate 95 is provided with a plurality of positioning holes 96 for the external positioning nails to pass through.

[0037] The above specific improvement is that, as shown in Figure 3 and Figure 4 A plurality of positioning holes 96 are arranged on the connecting plate 95 for the external fastening nails to pass through, so that the connecting plate 95 can be fixed.

[0038] Obviously, the above embodiments are merely exemplary and are not intended to limit the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. All the embodiments do not need to be exhausted here. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A cable fixing clamp, characterized in that: The device includes an upper clamp (1) and a lower clamp (2) arranged opposite to each other. A hinge shaft (3) is provided between the upper clamp (1) and the lower clamp (2), and the upper clamp (1) can rotate along the hinge shaft (3). The upper clamp (1) is provided with a first extension ear (11), and the lower clamp (2) is provided with a second extension ear (21). A first through hole (12) is provided in the first extension ear (11), and a second through hole (22) is provided in the second extension ear (21). A fastening bolt (4) is provided in the first through hole (12) and the second through hole (22). A bolt nut (41) is provided on the fastening bolt (4) and an opening (42) is provided at the first extension ear (11) to allow the first through hole (12) to disengage from the fastening bolt (4).

2. A cable fixing clamp according to claim 1, characterized in that: The lower clamp (2) is provided with a first wire clamp (5), and the upper clamp (1) is provided with a second wire clamp (6). A receiving cavity (43) for wires to pass through is formed between the first wire clamp (5) and the second wire clamp (6). A control device (7) is connected to the second wire clamp (6) to control the movement of the second wire clamp (6) and adjust the size of the receiving cavity (43).

3. A cable fixing clamp according to claim 2, characterized in that: The control device (7) includes a moving rod (71) coaxially arranged with the second wire clamp (6) and an abutment device (72) for controlling the movement of the moving rod (71). The upper clamp (1) is provided with a clearance groove (13) for the vertical movement of the second wire clamp (6).

4. A cable fixing clamp according to claim 3, characterized in that: The abutting device (72) includes a movable plate (73) and a first movable rod (74) and a second movable rod (75) located near the two ends of the movable plate (73). A first extension rod (76) is fixed to the side of the first movable rod (74) facing away from the movable plate (73), and a second extension rod (77) is fixed to the side of the second movable rod (75) facing away from the movable plate (73). A return spring (8) is sleeved on the outside of both the first extension rod (76) and the second extension rod (77). The upper clamp (1) is provided with a first blind hole (9) for inserting the first movable rod (74) and the first extension rod (76) and a second blind hole (91) for inserting the second movable rod (75) and the second extension rod (77). The side of the return spring (8) facing away from the first extension rod (76) and the second extension rod (77) abuts against the side wall of the movable rod (71).

5. A cable fixing clamp according to claim 4, characterized in that: The upper clamp (1) has a waist-shaped groove (14) on its side wall for inserting both ends of the moving rod (71). The first movable rod (74) and the second movable rod (75) can move the moving rod (71) along the extension direction of the waist-shaped groove (14). The moving rod (71) is also provided with anti-detachment blocks (78) at both ends to prevent the moving rod (71) from detaching from the waist-shaped groove (14).

6. A cable fixing clamp according to claim 4 or 5, characterized in that: Above the movable plate (73) is a drive screw (92) for controlling the up and down movement of the movable plate (73) and a rotating nut (93) linked with the drive screw (92). Above the rotating nut (93) is a positioning nut (94) for positioning the rotating nut (93).

7. A cable clamp according to any one of claims 1-5, characterized in that: The lower clamp (2) is provided with a connecting base plate (95) on one side away from the upper clamp (1), and the connecting base plate (95) is provided with a plurality of positioning holes (96) for external positioning pins to pass through.

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