CN213906252U - Strain clamp - Google Patents

Abstract

The utility model discloses a strain clamp, including fastener body, wedge and C shape lid, the wedge is fixed to be set up the left and right sides of fastener body, each side be provided with one on the wedge C shape lid, the open end setting of C shape lid is in on the wedge, the inner chamber of C shape lid with form the tight chamber of clamp that is used for pressing from both sides tight wire between the wedge. The utility model discloses simple structure, the wire is held tightly the atress balanced, is particularly suitable for to many wires for example four-core bunched conductors press from both sides tight fixed, can ensure that the wire is held tightly not smooth line, has improved the security that the cable erect.

Description

Strain clamp

Technical Field

The utility model relates to an electric power fitting technical field, concretely relates to strain clamp.

Background

The strain clamp is a hardware fitting used for fixing a lead to bear the tension of the lead and hanging the lead to a strain insulator-string group or a tower. The existing strain clamp only provides a strain connection point, and after the strain clamp is used for a period of time, the diameter of a wire insulation layer is reduced due to weathering and the like, so that the grip of the clamp is weakened, and a slide wire or a wire can be broken. Moreover, the conventional strain clamp can only clamp and fix one wire, and a plurality of strain clamps are required to be used simultaneously when a plurality of wires (such as four-core bunched wires) are required to be clamped and fastened simultaneously, so that the use cost is high, and the workload of an installer and the danger of high-altitude operation are increased. In addition, it is often difficult to achieve the balance of the grip strength of the wires by using a plurality of strain clamps alone, and the wire gripping effect is not ideal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a strain clamp, its simple structure, the wire is held tightly the atress balanced, is particularly suitable for to many wires for example the tight fixed of clamp of four-core wire tied in a bundle, can ensure that the wire is held tightly not slide wire, improves the security that the cable erect.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a strain clamp, includes fastener body, wedge and C shape lid, the wedge is fixed to be set up the left and right sides of fastener body, each side be provided with one on the wedge C shape lid, the open end setting of C shape lid is in on the wedge, the inner chamber of C shape lid with form the tight chamber of clamp that is used for pressing from both sides tight wire between the wedge.

As an optimized scheme of the utility model, integrated into one piece has the strain insulator tie point, hangs tie point and fixed connection point on the fastener body.

As a preferred scheme of the utility model, the strain insulator tie point sets up the first end of fastener body, fixed connection point sets up the second end of fastener body, hang the tie point setting and be in the first end with between the second end the top of fastener body.

As an optimized scheme of the utility model, the strain insulator tie point hang the tie point with fixed connection point is in on the coplanar.

As an optimized scheme of the utility model, a spout that sets up along its length direction is seted up respectively to the top surface and the bottom surface of wedge, the open end of C shape lid can slide around in the spout.

As an optimized scheme of the utility model, the trough rim of spout with inclination has between the side of wedge.

As a preferred scheme of the utility model, the side of wedge forms first arc surface along its length direction indent.

As an optimized proposal of the utility model, the C-shaped cover and the inner surface opposite to the first arc surface are outwards protruded to form a second arc surface along the length direction.

As a preferred scheme of the utility model, press from both sides and be provided with two filler blocks in the tight chamber, one the filler block is hugged closely the wedge first arc surface sets up, another the filler block is hugged closely the C shape lid the second arc surface sets up, and is two relative the filler block forms the tight chamber of filler block clamp of two circumference types, every the tight chamber of filler block clamp can press from both sides tight a wire.

As a preferred aspect of the present invention, the filler block is made of plastic.

As a preferable aspect of the present invention, the pad may slide on the first arc surface or the second arc surface.

As an optimized proposal of the utility model, the outer surface of the C-shaped cover is provided with a plurality of reinforcing ribs.

The utility model provides a strain clamp, its simple structure, the wire is held tightly the atress balanced, is particularly suitable for to many wires for example the tight fixed of clamp of four-core wire tied in a bundle, can ensure that the wire is held tightly not slide-wire, improves the security that the cable erect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic perspective view of a strain clamp according to an embodiment of the present invention;

FIG. 2 is a schematic view of a four-core bundled wire secured to the strain clamp;

FIG. 3 is a front view of the strain clamp;

FIG. 4 is a left side view of the strain clamp;

FIG. 5 is a right side view of the strain clamp;

FIG. 6 is a top view of the strain clamp;

fig. 7 is a bottom view of the strain clamp.

In the drawings: 1. a wire clamp body; 2. a wedge block; 3. a C-shaped cover; 4. a clamping cavity; 5. a strain connection point; 6. a hanging connection point; 7. a fixed connection point; 8. a chute; 81. the groove edge of the sliding groove; 24. the side of the wedge block; 23. a first arc surface; 31. a second arc surface; 9. a filler block; 91. a pad clamping cavity; 10. reinforcing ribs; 11. a first end portion; 12. a second end portion; 21. the front end surface of the wedge block; 22. the rear end surface of the wedge block; 100. four-core bunched conductor.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides a strain clamp, as shown in fig. 1 and fig. 2, including fastener body 1, wedge 2 and C shape lid 3, wedge 2 is fixed to be set up in the left and right sides of fastener body 1, is provided with a C shape lid 3 on the wedge 2 of each, and the open end setting of C shape lid 3 is on wedge 2, forms the tight chamber 4 of clamp that is used for pressing from both sides tight wire between the inner chamber of C shape lid 3 and wedge 2.

The strain connection point 5, the suspension connection point 6 and the fixed connection point 7 are integrally formed on the wire clamp body 1. The utility model provides a strain clamp has two kinds of fixed mounting methods, firstly hangs the installation through hanging tie point 6, and another kind is through fixed connection point fixed mounting.

Preferably, as shown in fig. 1, the strain connection point 5 is disposed at the first end 11 of the clamp body 1; the fixed connection point 7 is disposed at the second end 12 of the cleat body 1 and the hanging connection point 6 is disposed at the top of the cleat body 1 between the first end 11 and the second end 12.

To facilitate the manufacture of the cable clamp body 1, it is more preferable that the strain connection points 5, the suspension connection points 6 and the fixed connection points 7 are in the same plane.

The top surface and the bottom surface of the wedge block 2 are respectively provided with a sliding groove 8 arranged along the length direction, and the open end of the C-shaped cover 3 can slide back and forth in the sliding groove 8. The front end surface 21 of the wedge block 2 has a smaller area than the rear end surface 22 thereof. The slot edge 81 of the sliding slot 8 and the side edge 24 of the wedge-shaped block 2 have an inclined angle. So set up, when C shape lid 3 slides back and forth in spout 8, adjustable cavity space size who presss from both sides tight chamber 4 to compress tightly the wire of the different diameters of placing in pressing from both sides tight chamber 4.

Since the wire is round, in order to improve the wire clamping effect of the strain clamp, as shown in fig. 1, the side surface of the wedge-shaped block 2 is preferably concave along the length direction thereof to form a first arc surface 23. The inner surface of the C-shaped cover 3 opposite to the first arc surface 23 is outwardly convex in the length direction thereof to form a second arc surface 31. The contact area of the clamping cavity 4 with the wire is larger, and the clamping effect is better.

In order to prevent the two wires fastened in the same clamping cavity 4 from slipping, it is preferable that two pads 9 are provided in the clamping cavity 4, one pad 9 is disposed adjacent to the first arc surface 23 of the wedge block 2, the other pad 9 is disposed adjacent to the second arc surface 31 of the C-shaped cover 3, two opposite pads 9 form two circumferential pad clamping cavities 91, and each pad clamping cavity 91 can clamp one wire, as shown in fig. 1.

The backing block 9 is preferably made of plastic.

To facilitate the mounting of the pads 9, the pads 9 are preferably slidable on the first circular arc surface 23 or the second circular arc surface 31.

In order to enhance the rigidity of the strain clamp and prolong the service life of the clamp, as shown in fig. 1, a plurality of reinforcing ribs 10 are arranged on the outer surface of the C-shaped cover 3.

The embodiment of the utility model provides a main view, left side view, right side view, top view and the bottom view please refer to fig. 3-7 of strain clamp that the embodiment provided.

To sum up, the utility model discloses simple structure, the wire is held tightly the atress balanced, is particularly suitable for to many wires for example four-core bunched wire press from both sides tight fixed, can ensure that the wire is held tightly not slide-wire, has improved the security that the cable erect.

It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims (10)

1. The utility model provides a strain clamp, its characterized in that, includes fastener body (1), wedge (2) and C shape lid (3), wedge (2) are fixed to be set up the both sides about fastener body (1), each side be provided with one on wedge (2) C shape lid (3), the open end setting of C shape lid (3) is in on wedge (2), the inner chamber of C shape lid (3) with form between wedge (2) and be used for pressing from both sides tight chamber (4) of clamp wire.

2. The strain clamp according to claim 1, characterized in that the clamp body (1) is integrally formed with the strain connection point (5), the suspension connection point (6) and the fixing connection point (7).

3. Strain clamp according to claim 2, wherein the strain connection point (5) is arranged at a first end (11) of the clamp body (1), the fixed connection point (7) is arranged at a second end (12) of the clamp body (1), and the suspended connection point (6) is arranged at the top of the clamp body between the first end (11) and the second end (12).

4. The strain clamp according to claim 3, characterized in that the strain connection point (5), the suspension connection point (6) and the fixed connection point (7) are in the same plane.

5. The strain clamp according to claim 1 or 3, wherein the top surface and the bottom surface of the wedge-shaped block (2) are respectively provided with a sliding groove (8) arranged along the length direction thereof, and the open end of the C-shaped cover (3) can slide back and forth in the sliding groove (8).

6. Strain clamp according to claim 5, wherein the groove edge (81) of the sliding groove (8) is inclined to the side edge (24) of the wedge-shaped block (2).

7. The strain clamp as claimed in claim 5, wherein the side of the wedge-shaped block (2) is concave along its length to form a first arc surface (23).

8. The strain clamp of claim 7, wherein an inner surface of the C-shaped cover (3) opposite the first arc surface (23) is outwardly convex along its length to form a second arc surface (31).

9. The strain clamp of claim 8, wherein two pads (9) are provided in the clamping cavity (4), one pad (9) being disposed against the first circular arc surface (23) of the wedge block (2) and the other pad (9) being disposed against the second circular arc surface (31) of the C-shaped cover (3), two opposing pads (9) forming two circumferential pad clamping cavities (91), each pad clamping cavity (91) being adapted to clamp a wire.

10. The strain clamp according to claim 9, characterized in that the filler block (9) is made of plastic;

the pad (9) is slidable on the first circular arc surface (23) or the second circular arc surface (31).

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