CN211209159U - Wire clamp for electric power - Google Patents
Wire clamp for electric power Download PDFInfo
- Publication number
- CN211209159U CN211209159U CN201922492331.2U CN201922492331U CN211209159U CN 211209159 U CN211209159 U CN 211209159U CN 201922492331 U CN201922492331 U CN 201922492331U CN 211209159 U CN211209159 U CN 211209159U
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- base plate
- clamping
- groove
- plate
- wire
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Abstract
The utility model discloses a wire clamp for electric power, which comprises a base plate and two clamping mechanisms arranged on the base plate, wherein the two clamping mechanisms are arranged on two sides of the base plate in a symmetrical mode, and two dovetail structures which are symmetrically arranged are arranged on the base plate; the dovetail structure consists of two symmetrically arranged flaps which are arc-shaped plates; a plurality of reinforcing columns are arranged on the two flaps in the same dovetail structure; the base plate is provided with a threaded column for driving the two clamping mechanisms to act, and the threaded column penetrates through the base plate and is in sliding connection with the base plate. The utility model discloses the clamping mechanism who utilizes two symmetries forms the counter-pull effect, combines the forked tail structure that the symmetry of base plate set up, when forming the cable and pressing from both sides tightly for effort forms counteraction, reduces base plate stress point, makes it more be difficult to take place bending deformation.
Description
Technical Field
The utility model relates to an electric power cable technical field specifically is a fastener for electric power.
Background
At present, the types of electric wire clamps are various, wire clamps with different structures and functions also appear in the prior art, for example, an electric wire clamp with the application number of 201620430427.X is disclosed in a Chinese patent library;
according to the above mentioned patent, it can be seen that it is sliding on the lower clamping block (corresponding to the base plate of the present application) with two slider-like structures, so that the sliders clamp the cables under the action of pushing force, which can fix two cables on the cable clamp, but it has one drawback: when two strands of cables are clamped tightly, the sliding blocks move back to back, and then the cables are abutted to the cables, and the cables are located at the edges of the lower clamping blocks, so that the lower clamping blocks are easily bent and deformed correspondingly, the clamping blocks are clamped tightly by utilizing the bolts to provide abutting force, the bolts are located in the middle of the lower clamping blocks, the cables are located on two sides of the lower clamping blocks, and therefore the lower clamping blocks can form three stress points in the middle and two sides, and then the lower clamping blocks are easily bent and deformed, so that the clamping effect of the cables is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the technical deficiencies, the utility model aims to provide a wire clamp for electric power, which utilizes two symmetrical clamping mechanisms to form a counter-pulling effect, and combines a dovetail structure symmetrically arranged on a base plate to form a cable clamping effect, so that an acting force is counteracted, and a stress point of the base plate is reduced to make the base plate less prone to bending deformation; meanwhile, the symmetrical clamping mechanisms can expand the number of fixed cables and are matched with the mutually nested spacer sleeves, so that the cable clamp can clamp cables of various sizes.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a wire clamp for electric power, which comprises a base plate and clamping mechanisms arranged on the base plate, wherein a cable is fixed on the base plate through the clamping mechanisms, the number of the clamping mechanisms is two, the clamping mechanisms are symmetrically arranged on two sides of the base plate, and two dovetail structures which are symmetrically arranged are arranged on the base plate;
the dovetail structure consists of two symmetrically arranged flaps which are arc-shaped plates; a plurality of reinforcing columns are arranged on the two flaps in the same dovetail structure;
the base plate is provided with a threaded column for driving the two clamping mechanisms to act, and the threaded column penetrates through the base plate and is in sliding connection with the base plate.
Preferably, the clamping mechanism comprises a first clamping plate and a second clamping plate, one side of the first clamping plate, which is far away from the second clamping plate, is provided with a wire clamping groove, one side of the first clamping plate, which is close to the second clamping plate, is provided with a rotating groove and a rotating shaft, and the rotating shaft is rotatably arranged in the rotating groove; the wire clamping groove and the rotating groove are arc-shaped grooves;
the rotary groove and the rotary shaft are all provided with a through groove for the threaded column to pass through.
Preferably, the inner diameter of the flap is the same as that of the wire clamping groove, the central angles corresponding to the flap and the rotary groove are both 180 degrees, and the central angle corresponding to the wire clamping groove is smaller than 180 degrees.
Preferably, two ends of the threaded column are respectively provided with a nut in a threaded manner, and the two nuts are abutted against the corresponding clamping mechanisms.
Preferably, the wire clamp further comprises a plurality of pairs of spacers nested together and a plurality of cylinders, and each pair of spacers comprises two spacers with the same size and structure; the spacer bush is an arc-shaped plate, and the corresponding central angle is less than 180 degrees.
Preferably, a plurality of uniformly distributed hemispherical grooves are formed in the inner walls of the wire clamping groove, the flap and the spacer bush, a plurality of uniformly distributed hemispherical protrusions are arranged on the outer wall of the spacer bush, and the outer diameter of each protrusion is the same as the inner diameter of each groove.
The beneficial effects of the utility model reside in that:
1. the two clamping mechanisms are arranged on the two sides of the base plate, and the two clamping mechanisms share one threaded column, so that the two clamping mechanisms can mutually transmit acting force under the action of the threaded column, further the stress in the middle of the base plate is avoided, and the stress points of the base plate are reduced;
2. the utility model forms four cable fixing positions by matching with two clamping mechanisms, thereby expanding the quantity of fixed cables, and simultaneously, the cable clamp and a plurality of pairs of spacer sleeves which are mutually nested together, so that the cable clamp can clamp cables with different sizes, and the application range of the cable clamp is further expanded;
3. the central angle that flap, wire clamping groove and rotary groove in this practicality correspond is 180 degrees for first splint and second splint can be very convenient dismantlement, have made things convenient for the fixed of cable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a power cable clamp according to an embodiment of the present invention (four cables are not shown);
fig. 2 is a front view of a power cable clamp according to an embodiment of the present invention (four cables are not shown);
fig. 3 is a top view of a power cable clamp according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an exploded view of the structure of the clamping mechanism;
figure 6 shows two pairs of spacers nested together.
Description of reference numerals: 1-base plate, 11-flap, 12-reinforcing column, 2-clamping mechanism, 21-first clamping plate, 211-rotary groove, 22-second clamping plate, 221-rotary shaft, 23-clamping groove, 24-through groove, 3-spacer bush, 4-threaded column, 41-nut, 5-cable and 6-cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b):
as shown in fig. 1, the utility model provides a wire clamp for electric power, including a base plate 1 and a clamping mechanism 2 arranged on the base plate 1, a cable 5 is fixed on the base plate 1 through the clamping mechanism 2, the number of the clamping mechanism 2 is two, and the two clamping mechanisms are symmetrically arranged on two sides of the base plate 1, two dovetail structures are symmetrically arranged on the base plate 1;
the dovetail structure is composed of two flaps 11 which are symmetrically arranged, namely in the application, four flaps 11 are arranged on the base plate 1, and the flaps 11 are arc-shaped plates; a plurality of reinforcing columns 12 are arranged on two flaps 11 positioned in the same dovetail structure, and the flaps 11 and the base plate 1 are integrally formed, for example, integrally formed in a casting mode;
the base plate 1 is provided with a threaded column 4 for driving the two clamping mechanisms 2 to act, the threaded column 4 penetrates through the base plate 1 and is in sliding connection with the base plate 1, two ends of the threaded column 4 are respectively provided with a nut 41 in a threaded manner, and the two nuts 41 are tightly abutted to the corresponding clamping mechanisms 2.
Further, the clamping mechanism 2 comprises a first clamping plate 21 and a second clamping plate 22, a wire clamping groove 23 is respectively formed in the far side of the first clamping plate 21 and the far side of the second clamping plate 22, the inner diameter of the flap 11 is the same as that of the wire clamping groove 23, a rotating groove 211 and a rotating shaft 221 are respectively arranged on the close side of the first clamping plate 21 and the second clamping plate 22, and the rotating shaft 221 is rotatably arranged in the rotating groove 211; the wire clamping groove 23 and the rotating groove 211 are both arc-shaped grooves;
through grooves 24 for the threaded columns 4 to pass through are formed in the rotary groove 211 and the rotary shaft 221, the through grooves 24 are larger than the threaded columns 4, that is, when the threaded columns 4 are installed, in the state shown in fig. 3, the threaded columns 4 are not in contact with the through grooves 24; the arrangement is such that the base plate 1 does not support the threaded column 4, i.e. it does not bear a force in the middle of the base plate 1, reducing the point of stress of the base plate 1, further in conjunction with fig. 2, when the cable 5 is clamped, the clamping mechanism 2 will generate a pushing force at the flap 11, because the cable clamp adopts two symmetrically arranged clamping mechanisms 2, the component force formed at the flap 11 will cancel out, i.e. F1 and F11 cancel out, and because the flap 11 is arc-shaped, when it is clamped, it will deform itself under the action of F2 and F21, and the reinforcement column 12 will just link together two flaps 11 in the same dovetail structure, when the flaps 11 are deformed outwardly, two flaps 11 in the same structure will also generate a component force cancellation through the reinforcement column 12, and finally, when the cable clamp is clamped, the cable clamp will form a component force cancellation in its interior, further, the deformation of the base plate 1 is reduced, and the clamping force of the cable 5 is ensured.
With reference to fig. 5, in order to facilitate detachment and clamping of the cable 5, the central angles corresponding to the flap 11 and the rotary groove 211 are both 180 degrees, so that the rotary shaft 221 can be conveniently placed into the rotary groove 211, the spacer 3 can be conveniently placed into the flap 11, the central angle corresponding to the wire clamping groove 23 is less than 180 degrees, the arrangement avoids interference between the rotary groove 211 and the flap 11 when the threaded column 4 is adjusted, and further, in order to prevent interference, a chamfer R is arranged on one side of the flap 11 away from the substrate 1;
in order to further expand the cable clamp to clamp cables 5 with different sizes, as shown in fig. 6, the cable clamp further comprises a plurality of pairs of spacers 3 nested together and a plurality of cylinders 6, wherein each pair of spacers 3 comprises two spacers 3 with the same size and structure; the spacer 3 is an arc-shaped plate, and the corresponding central angle is smaller than 180 degrees, so that the spacer 3 can be spliced with each other to adapt to cables of different sizes, and the central angle is smaller than 180 degrees to ensure the clamping of the cable 5;
the cylinders 6 are arranged to be filled in the wire clamping grooves 23 where the cables 5 are not arranged, as shown in fig. 4, the wire clamp fixes two cables 5, the remaining two wire clamping grooves 23 need to be filled with the cylinders 6 to ensure the clamping stability of the wire clamp, and the other plurality of pairs of spacers 3 nested together refer to the structure shown in fig. 6, for example, the outer diameter of one pair of spacers 3 is 14mm as the inner diameter of the clamping grooves 23, the inner diameter of the pair of spacers 3 is 12mm, the outer diameter of the other pair of spacers 3 is 12mm, the inner diameter is 10mm, the outer diameter of the third pair of spacers 3 is 10mm, and one cylinder 6 with the outer diameter of 14mm needs to be arranged in the wire clamping groove 23 where the cables 5 are not arranged.
Further, in order to ensure sufficient friction between the spacer 3 and the wire clamping groove 23, between the spacer 3 and the flap 11, and between the spacer 3 and the spacer 3, the inner walls of the wire clamping groove 23, the flap 11, and the spacer 3 are all provided with a plurality of uniformly distributed hemispherical grooves, the outer wall of the spacer 3 is provided with a plurality of uniformly distributed hemispherical protrusions, and the outer diameter of each protrusion is the same as the inner diameter of each groove.
When the fixing device is used, a cable 5 to be fixed is placed into the corresponding flap 11, then two clamping plates of one clamping mechanism 2 are installed, a rotating shaft 221 in the clamping mechanism 2 is placed into the rotating groove 211, then the rotating shaft penetrates through the threaded column 4 and is provided with the nut 41, and then one hand pulls the threaded column 4, so that the nut 41 is tightly pressed on the clamping mechanism 2; then, another clamping mechanism 2 is installed, another nut 41 is installed, and finally, the two nuts 41 are locked through a spanner; it should be noted that if cables 5 are provided in all four flaps 11, it is not necessary to place the cylinder 6 in them, and if only some of the flaps 11 have cables 5, then the cylinder 6 is provided in the flap 11 without cables 5; in addition, when the cable 5 smaller than the inner diameter of the clamping groove 23 needs to be fixed, the spacer 3 needs to be covered on the outer part of the cable 5 to ensure the clamping force.
In this application, the material of this fastener can be the same with the material of current fastener, for example adopt steel to make, because the structure of fastener itself is not complicated quality also not very big, consequently corresponds this application, can not produce great cost for the spacer 3 and the cylinder 6 that current fastener is exceeded.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The electric wire clamp comprises a base plate and clamping mechanisms arranged on the base plate, wherein a cable is fixed on the base plate through the clamping mechanisms, and the electric wire clamp is characterized in that the number of the clamping mechanisms is two, the clamping mechanisms are symmetrically arranged on two sides of the base plate, and two dovetail structures which are symmetrically arranged are arranged on the base plate;
the dovetail structure consists of two symmetrically arranged flaps which are arc-shaped plates; a plurality of reinforcing columns are arranged on the two flaps in the same dovetail structure;
the base plate is provided with a threaded column for driving the two clamping mechanisms to act, and the threaded column penetrates through the base plate and is in sliding connection with the base plate.
2. The electric power wire clamp of claim 1, wherein the clamping mechanism comprises a first clamping plate and a second clamping plate, a wire clamping groove is respectively formed on the far side of the first clamping plate and the far side of the second clamping plate, a rotary groove and a rotary shaft are respectively formed on the close side of the first clamping plate and the close side of the second clamping plate, and the rotary shaft is rotatably arranged in the rotary groove; the wire clamping groove and the rotating groove are arc-shaped grooves;
the rotary groove and the rotary shaft are all provided with a through groove for the threaded column to pass through.
3. The electric power wire clamp of claim 2, wherein the inner diameter of the flap is the same as the inner diameter of the wire clamping groove, the central angles of the flap and the rotary groove are both 180 degrees, and the central angle of the wire clamping groove is less than 180 degrees.
4. An electric power clamp as claimed in claim 1, wherein a nut is threadedly mounted on each end of the threaded post, and the two nuts are tightened against the respective clamping mechanisms.
5. An electric power clamp as claimed in claim 2 or 3, further comprising a plurality of pairs of spacers nested together and a plurality of cylinders, each pair of spacers comprising two spacers of the same size and configuration; the spacer bush is an arc-shaped plate, and the corresponding central angle is less than 180 degrees.
6. The electric power wire clamp of claim 5, wherein the wire clamping groove, the flap and the spacer are provided with a plurality of uniformly distributed hemispherical grooves on the inner wall, the outer wall of the spacer is provided with a plurality of uniformly distributed hemispherical protrusions, and the outer diameter of the protrusions is the same as the inner diameter of the grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922492331.2U CN211209159U (en) | 2019-12-31 | 2019-12-31 | Wire clamp for electric power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922492331.2U CN211209159U (en) | 2019-12-31 | 2019-12-31 | Wire clamp for electric power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211209159U true CN211209159U (en) | 2020-08-07 |
Family
ID=71853936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922492331.2U Expired - Fee Related CN211209159U (en) | 2019-12-31 | 2019-12-31 | Wire clamp for electric power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211209159U (en) |
-
2019
- 2019-12-31 CN CN201922492331.2U patent/CN211209159U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 Termination date: 20211231 |