CN219465002U

CN219465002U - Portable anchor clamps extension connecting rod

Info

Publication number: CN219465002U
Application number: CN202320452150.0U
Authority: CN
Inventors: 徐孝伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-04
Anticipated expiration: 2033-03-07

Abstract

The utility model relates to a portable fixture lengthening connecting rod, which comprises a connecting rod main body, wherein a round hole extending transversely is arranged at the inner upper part of the connecting rod main body, a central shaft is arranged in the round hole, a bidirectional positive and negative screw rod is clamped on the central shaft, the bidirectional positive and negative screw rod and the central shaft are arranged in a crossing way, a first thread and a second thread are respectively arranged on the outer walls of the front part and the rear part of the bidirectional positive and negative screw rod, a first slide block and a second slide block are respectively arranged on the outer walls of the front part and the rear part of the bidirectional positive and negative screw rod in a screwing way through the first thread and the second thread, the first slide block and the second slide block are mutually close to or separated under the rotation of the bidirectional positive and negative screw rod, a blind rivet which is vertically arranged is arranged above the bidirectional positive and negative screw rod, and is clamped or released along with the mutual close to or separation of the first slide block and the second slide block; compared with the prior art, the connecting rod can be used for connecting various clamps at will, and can be used for rapidly replacing various clamps at the top of the loading and unloading connecting rod, so that the working efficiency is greatly improved, the machining is standardized, and the unified operation is realized.

Description

Portable anchor clamps extension connecting rod

[ technical field ]

The utility model relates to the technical field of tool clamps, in particular to a portable clamp lengthening connecting rod.

[ background Art ]

At present, due to the lack of a connecting rod special for a clamp, collision is easy to occur in complex workpiece processing due to insufficient clamp height, and particularly in die electric spark processing. The existing solution method is to fix the workpiece on the lengthened round bar by using glue or screws, and has the defects that the workpiece is easy to fall off due to insulation of the glue and cannot be positioned repeatedly, the screws need to be drilled and tapped, the workpiece is easy to damage, the machining is complicated, the workload is increased, the standardization is not realized, the uniform operation cannot be realized, the machining precision cannot be ensured, and the working efficiency is greatly reduced.

[ summary of the utility model ]

The utility model aims to solve the defects and provide the portable clamp lengthening connecting rod, various clamps can be connected randomly through the connecting rod, and various clamps at the top of the assembling and disassembling connecting rod can be replaced quickly, so that the working efficiency is greatly improved, the machining is standardized, and the unified operation is realized.

The portable fixture lengthening connecting rod comprises a connecting rod main body 1, a round hole 6 extending transversely is formed in the upper portion in the connecting rod main body 1, a central shaft 2 is arranged in the round hole 6, a bidirectional positive and negative screw 3 is clamped on the central shaft 2, the bidirectional positive and negative screw 3 and the central shaft 2 are arranged in a crossed mode, a first thread 7 and a second thread 8 are respectively arranged on the outer walls of the front portion and the rear portion of the bidirectional positive and negative screw 3, a first slider 4a and a second slider 4b are rotatably arranged through the first thread 7 and the second thread 8, the first slider 4a and the second slider 4b are mutually close to or separated under the rotation of the bidirectional positive and negative screw 3, a vertically arranged blind rivet 5 is arranged above the bidirectional positive and negative screw 3, and the bottom of the blind rivet 5 is located between the first slider 4a and the second slider 4b and is clamped or loosened along with the mutual approaching or separating of the first slider 4a and the second slider 4b, and various fixtures at the top of the connecting rod are quickly replaced.

Further, the inner hexagonal hole 10 is formed in the outer end face of the bidirectional positive and negative screw 3, and the inner hexagonal hole 10 extends along the axial direction of the bidirectional positive and negative screw 3 and is connected with an inner hexagonal wrench in a matched manner, so that the bidirectional positive and negative screw 3 can be rotated clockwise or anticlockwise by the inner hexagonal wrench conveniently.

Further, the top of the blind rivet 5 is connected to the clamp 9, an external thread is arranged on the outer wall of the top of the blind rivet 5, an internal thread hole matched and connected with the external thread is formed in the bottom of the clamp 9, and the blind rivet 5 and the clamp 9 are connected into a whole through the external thread and the internal thread hole.

Further, rectangular holes 11 are formed in the front and rear sides of the inner upper portion of the connecting rod main body 1, and the first slider 4a and the second slider 4b are placed in the rectangular holes 11 and move back and forth in the rectangular holes 11.

Further, the cross section of the central shaft 2 is H-shaped, the front side and the rear side of the middle part of the central shaft 2 are respectively provided with a first cutting groove 12 and a second cutting groove 13, and the first cutting groove 12 and the second cutting groove 13 are respectively arranged opposite to the first sliding block 4a and the second sliding block 4b, so that collision can not occur in machining, and machining is not limited.

Further, the inner sides of the tops of the first slider 4a and the second slider 4b are respectively provided with an arc-shaped surface 14, and the arc-shaped surfaces 14 are matched and connected with the blind rivet 5, so that the blind rivet 5 is more stable when clamped, and the machining precision is further ensured.

Further, the bottom of the connecting rod main body 1 is provided with a base 15, and the connecting rod main body 1 and the base 15 are arranged on a workbench through the base 15, and are of an integrated structure.

Compared with the prior art, the connecting rod has novel and simple structure and reasonable design, can be connected with various clamps at will, can tighten or separate the sliding block only by rotating the bidirectional positive and negative screw rod clockwise or anticlockwise through the inner hexagonal wrench when in use, thereby tightening or loosening the blind rivet to fix the various clamps, facilitating quick replacement of various clamps for assembling and disassembling the top of the connecting rod, avoiding falling and collision in machining, having no limitation in machining, greatly improving the working efficiency, ensuring the machining precision, standardizing the machining, facilitating and unifying the operation, having wide application range and being particularly suitable for electric spark machining in the die industry.

[ description of the drawings ]

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the assembled structure of the connecting rod body and the clamp of the present utility model;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a schematic view of the structure of the clamp of FIG. 2;

FIG. 5 is a schematic illustration of the connection of the central shaft to the bi-directional positive and negative screws of the present utility model;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a schematic diagram of the connection of the central shaft to the first and second sliders;

FIG. 8 is a schematic side elevational view of FIG. 7;

in the figure: 1. the connecting rod comprises a connecting rod main body 2, a central shaft 3, a bidirectional positive and negative screw 4a, a first slider 4b, a second slider 5, a blind rivet 6, a round hole 7, a first thread 8, a second thread 9, a clamp 10, a hexagonal hole 11, a rectangular hole 12, a first grooving 13, a second grooving 14, an arc-shaped surface 15 and a base.

Detailed description of the preferred embodiments

The utility model is further described below with reference to the accompanying drawings:

as shown in the drawings, the utility model provides a portable fixture lengthening connecting rod, which comprises a connecting rod main body 1, wherein a round hole 6 extending transversely is arranged at the upper part in the connecting rod main body 1, a central shaft 2 is arranged in the round hole 6, a bidirectional positive and negative screw 3 is clamped on the central shaft 2, the bidirectional positive and negative screw 3 and the central shaft 2 are arranged in a crossing way, a first thread 7 and a second thread 8 are respectively arranged on the outer walls of the front part and the rear part of the bidirectional positive and negative screw 3, a first slider 4a and a second slider 4b are rotatably arranged through the first thread 7 and the second thread 8, the first slider 4a and the second slider 4b are mutually close to or separated under the rotation of the bidirectional positive and negative screw 3, a pull nail 5 which is vertically arranged is arranged above the bidirectional positive and negative screw 3, the bottom of the pull nail 5 is positioned between the first slider 4a and the second slider 4b, and is clamped or loosened along with the mutual close or separation of the first slider 4a and the second slider 4b, so that various fixtures at the top of the connecting rod can be quickly replaced; the top of the blind rivet 5 is connected to the clamp 9, external threads are arranged on the outer wall of the top of the blind rivet 5, an internal threaded hole which is connected with the external threads in a matched mode is formed in the bottom of the clamp 9, and the blind rivet 5 and the clamp 9 are connected into a whole through the external threads and the internal threaded hole.

The inner hexagonal hole 10 is formed in the outer end face of the bidirectional positive and negative screw rod 3, and the inner hexagonal hole 10 extends along the axial direction of the bidirectional positive and negative screw rod 3 and is matched and connected with an inner hexagonal wrench, so that the inner hexagonal wrench can be used for clockwise or anticlockwise rotating the bidirectional positive and negative screw rod 3 conveniently. Rectangular holes 11 are formed in the front side and the rear side of the inner upper portion of the connecting rod main body 1, and a first sliding block 4a and a second sliding block 4b are arranged in the rectangular holes 11 and move back and forth in the rectangular holes 11; the bottom of connecting rod main part 1 is provided with base 15 to can place on the workstation through base 15, connecting rod main part 1 and base 15 structure as an organic whole.

In the utility model, the cross section of the central shaft 2 is H-shaped, and the front side and the rear side of the middle part of the central shaft 2 are respectively provided with a first grooving 12 and a second grooving 13, as shown in fig. 5 and 6; the first slot 12 and the second slot 13 are respectively arranged opposite to the first slider 4a and the second slider 4b, so that collision can not happen in machining, and machining is not limited. The inner sides of the tops of the first slider 4a and the second slider 4b are respectively provided with an arc-shaped surface 14, as shown in fig. 7, and are connected with the blind rivet 5 in a matched manner through the arc-shaped surfaces 14, so that the blind rivet 5 is more stable when clamped, and the machining precision is further ensured.

In summary, the utility model provides a portable fixture lengthening connecting rod, in the connecting rod, a central shaft 2 passes through a round hole at the upper part of a connecting rod main body 1, a bidirectional positive and negative screw rod 3 is clamped on the central shaft 2, two sliding blocks are placed in a rectangular hole at the upper part of the connecting rod main body 1, a fixture to be connected is connected in series with the top of the connecting rod main body 1 by a blind rivet 5, and the sliding blocks can be tightened to fix various fixtures by only rotating the bidirectional positive and negative screw rod 3 clockwise by using an internal hexagonal wrench. Similarly, only the inner hexagon wrench is required to rotate the bidirectional positive and negative screw rod 3 anticlockwise, and the sliding block can be separated to loosen the blind rivet 5, so that various clamps at the top of the connecting rod can be quickly replaced, the working efficiency is greatly improved, the machining precision is ensured, the machining is standardized, and the operation is convenient and unified.

The details not described in detail in this specification belong to the prior art known to those skilled in the art, all standard parts used by the standard parts can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, which are not described in detail.

The present utility model is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the utility model are intended to be equivalent substitutes and are included in the scope of the utility model.

Claims

1. A portable anchor clamps extension connecting rod, its characterized in that: including connecting rod main part (1), upper portion is equipped with round hole (6) along transversely extending in connecting rod main part (1), center pin (2) are equipped with in round hole (6), block is equipped with two-way positive and negative screw rod (3) on center pin (2), two-way positive and negative screw rod (3) and center pin (2) cross arrangement, be provided with screw thread one (7), screw thread two (8) on the outer wall of two-way positive and negative screw rod (3) front and back portion respectively to be equipped with slider one (4 a), slider two (4 b) through screw thread one (7), screw thread two (8) soon, slider one (4 a) and slider two (4 b) are close to each other under the rotation of two-way positive and negative screw rod (3) or separate, two-way positive and negative screw rod (3) top is equipped with vertically arranged blind rivet (5) bottom is located between slider one (4 a) and slider two (4 b) to be close to each other or separate and press from each other and press from both sides tightly or loosen along with slider two (4 b).

2. The portable clamp extension bar of claim 1, wherein: the bidirectional positive and negative screw rod (3) is characterized in that an inner hexagonal hole (10) is formed in the outer end face of the bidirectional positive and negative screw rod (3), and the inner hexagonal hole (10) extends along the axial direction of the bidirectional positive and negative screw rod (3) and is connected with an inner hexagonal wrench in a matched mode.

3. The portable clamp extension bar of claim 1, wherein: the top of the blind rivet (5) is connected to the clamp (9), external threads are arranged on the outer wall of the top of the blind rivet (5), an internal threaded hole matched and connected with the external threads is formed in the bottom of the clamp (9), and the blind rivet (5) and the clamp (9) are connected into a whole through the external threads and the internal threaded hole.

4. The portable clamp extension bar of claim 1, wherein: rectangular holes (11) are formed in the front side and the rear side of the inner upper portion of the connecting rod main body (1), and the first sliding block (4 a) and the second sliding block (4 b) are arranged in the rectangular holes (11) and move back and forth in the rectangular holes (11).

5. The portable clamp extension bar of claim 1, wherein: the cross section of center pin (2) is H type, the front and back side at center pin (2) middle part is equipped with grooving one (12) respectively, grooving two (13), grooving one (12), grooving two (13) are respectively with slider one (4 a), slider two (4 b) relative arrangement.

6. The portable clamp extension bar of claim 1, wherein: the inner sides of the tops of the first sliding block (4 a) and the second sliding block (4 b) are respectively provided with an arc-shaped surface (14), and are connected with the blind rivet (5) in a matched mode through the arc-shaped surfaces (14).

7. The portable clamp extension bar of any one of claims 1-6, wherein: the bottom of connecting rod main part (1) is provided with base (15) to place on the workstation through base (15), connecting rod main part (1) and base (15) are integral type structure.