CN216634085U

CN216634085U - Bolt clamping device

Info

Publication number: CN216634085U
Application number: CN202123123089.5U
Authority: CN
Inventors: 申卫国
Original assignee: Suzhou Chende Precision Hardware Co ltd
Current assignee: Suzhou Chende Precision Hardware Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-31
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a bolt and a pressure plate structure, belonging to the field of bolts, a bolt clamping device comprises a jacket, a compression bolt, a pressure plate, a square connecting rod and a fastening bolt, wherein one side of the jacket is provided with a square connecting block, the middle part of the square connecting block is provided with a square jack which penetrates through the square connecting block and a threaded hole at one side, the square connecting rod is spliced with the jacket through the square jack and is fixedly installed with the jacket through the fastening bolt, one side of a clamping opening of the jacket is provided with a square screw block, the middle part of the square screw block is provided with a threaded hole, and the compression bolt is in threaded connection with the jacket through the threaded hole. The flexibly connected pressing plate is easy to disassemble, assemble and replace.

Description

Bolt clamping device

Technical Field

The utility model relates to the field of hardware, in particular to a clamping device, and more particularly relates to a clamping connecting device pressed by a bolt.

Background

The bolt clamping device is a device for clamping and fastening an object by utilizing an elastic bolt, and the existing object clamping device is used for directly contacting the object through the top of the bolt, and is used for compressing through a compressing pressure plate connected with the top of the bolt.

Aiming at the improvement of the joint of the bolt and the pressure plate, on one hand, the pressure plate is not easy to damage a compressed object, and on the other hand, the pressure plate device is connected and fixed and is not easy to replace, and the movable connecting device is complex to install.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a bolt pressing device which can clamp and loosen objects, is convenient to produce and use, is easy to disassemble and assemble bolts and a pressing plate and has a simple structure.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a bolt clamping device, is including pressing from both sides cover, clamp bolt, clamp plate, square connecting rod, fastening bolt, it is equipped with square connecting block to press from both sides cover one side, square connecting block middle part is equipped with the square jack that runs through and the screw hole of one side, square connecting rod passes through square jack and presss from both sides the cover and peg graft, and through fastening bolt and clamp cover fixed mounting, the clamp mouth one side that presss from both sides the cover is equipped with square spiral shell piece, square spiral shell piece middle part is equipped with the screw, clamp bolt passes through the screw and presss from both sides cover threaded connection.

Further, the head of the compression bolt is provided with a thin waist-reamed hole bolt, the length of an unthreaded section of the thin waist-reamed hole bolt is the same as that of a threaded section, the diameter of the unthreaded section is smaller than that of the threaded section by 0.5-1 mm, the middle part of one side of the pressing plate is provided with a circular screw hole, the circular screw hole is sequentially provided with a cylindrical hole and a threaded hole from inside to outside, and the head of the compression bolt is in threaded connection with the pressing plate.

Further, screw threads at the thread section and the thread hole are trapezoidal threads, the diameter of the cylindrical hole is larger than that of the thread section by 0.5-1 mm, and the thread section penetrates through the thread hole and is movably mounted with the cylindrical hole.

Furthermore, the thin waist-hinged hole bolt is as high as the round screw hole.

Furthermore, a trapezoidal section is reserved at the tail end of the thread section.

Furthermore, the other side of the clamping opening is provided with a circular arc-shaped notch, and a semi-cylindrical anti-skid block is arranged at the notch.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) this scheme is including pressing from both sides the cover, clamp bolt, pressing plates, square connecting rod, fastening bolt, it is equipped with square connecting block to press from both sides cover one side, square connecting block middle part is equipped with the square jack that runs through and the screw hole of one side, square connecting rod passes through square jack and presss from both sides the cover and pegs graft, and through fastening bolt and clamp cover fixed mounting, make connecting piece and press from both sides the cover to be connected, reach the supporting role, the clamp mouth one side that presss from both sides the cover is equipped with square spiral shell piece, increase the clamp bolt and receive the arm of force, it is not hard up to avoid long-time use to make clamp bolt, square spiral shell piece middle part is equipped with the screw, clamp bolt passes through the screw and presss from both sides cover threaded connection, through the clamp bolt elasticity, reach the centre gripping to the article.

(2) The head of the compression bolt is provided with a thin waist-hinged hole bolt, the length of the thread-free section of the thin waist-hinged hole bolt is the same as that of the thread section, the diameter of the thread-free section is 0.5-1 mm smaller than that of the thread section, the middle part of one side of the pressing plate is provided with a circular screw hole, the circular screw hole is sequentially provided with a cylindrical hole and a threaded port from inside to outside, after the thin waist-hinged hole bolt is installed on the pressing plate, the bolt can continue to rotate and cannot drive the pressing plate to rotate, the thin waist-hinged hole bolt is the same as the circular screw hole in height, the length of the thin waist-hinged hole bolt is the same as the depth of the screw hole, the extrusion force borne by the pressing bolt and the thin waist-hinged hole bolt is jointly applied, and the head of the compression bolt is in threaded connection with the pressing plate.

(3) The screw thread of screw thread section and screw thread mouth department is trapezoidal thread, has avoided compressing tightly the in-process, also can not make the screw thread warp receiving side pressure, influences the later stage and uses and dismantle, and cylindrical hole diameter is greater than screw thread section 0.5 ~ 1mm, and the screw thread section passes screw thread mouth and cylindrical hole movable mounting screw thread section and is less than screw thread mouth diameter, makes closing device can finely tune the direction that compresses tightly, has reduced the restriction to the article centre gripping.

(4) In order to avoid the pressure plate and the compression bolt from falling off, a trapezoidal section is reserved at the tail end of the thread section.

(5) The other side of the clamping opening is provided with a circular arc-shaped notch, and the notch is provided with a semi-cylindrical anti-slip block, so that the clamped object can be prevented from falling off, and the clamping stability is improved.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of a hold-down bolt according to the present invention;

FIG. 3 is a schematic view of a platen according to the present invention;

fig. 4 is a schematic view of a thin waist-reamed hole bolt according to the present invention.

The reference numbers in the figures illustrate:

1. a square connecting block; 2. fastening a bolt; 3. a jacket; 4. a hold-down bolt; 5. pressing a plate; 6. a trapezoidal cross section; 7. a square screw block; 8. anti-skid blocks; 9. a threaded opening; 10. no thread section; 11. a threaded segment; 12. a circular screw hole; 13. a cylindrical hole; 14. making a hole bolt by a slender waist hinge; 15. a square connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Example 1:

referring to fig. 1, a bolt clamping device, including pressing from both sides the cover, clamp bolt, a pressing plate, square connecting rod, fastening bolt, it is equipped with square connecting block to press from both sides cover one side, square connecting block middle part is equipped with the square jack that runs through and the screw hole of one side, square connecting rod passes through square jack and presss from both sides the cover and pegs graft, and through fastening bolt and clamp cover fixed mounting, make connecting piece and press from both sides the cover and be connected, reach the supporting role, the mouth one side of pressing from both sides that presss from both sides the cover is equipped with square spiral shell piece, it receives the arm of force to increase clamp bolt, it is not hard up to avoid long-time use to make clamp bolt, square spiral shell piece middle part is equipped with the screw, clamp bolt passes through screw and presss from both sides cover threaded connection, through clamp bolt elasticity, reach the centre gripping to the article.

Referring to fig. 2-3, the head of the compression bolt is provided with a thin waist-reamed hole bolt, the length of the unthreaded section of the thin waist-reamed hole bolt is the same as that of the threaded section, the diameter of the unthreaded section is 0.5-1 mm smaller than that of the threaded section, the middle part of one side of the pressing plate is provided with a circular screw hole, and the circular screw hole is sequentially provided with a cylindrical hole and a threaded port from inside to outside, so that after the thin waist-reamed hole bolt is installed on the pressing plate, the bolt can continue to rotate without driving the pressing plate to rotate, the thin waist-reamed hole bolt is the same as that of the circular screw hole, the length of the thin waist-reamed hole bolt is the same as that of the threaded hole, the extrusion force borne by the pressing plate is jointly exerted by the compression bolt and the thin waist-reamed hole bolt, and the head of the compression bolt is in threaded connection with the pressing plate.

Referring to fig. 2-3, the threads at the thread section and the thread opening are trapezoidal threads, so that the situation that the threads are deformed and the later use and the later disassembly are affected due to the side pressure in the pressing process is avoided, the diameter of the cylindrical hole is larger than that of the thread section by 0.5-1 mm, the thread section penetrates through the thread opening and is movably installed with the thread section and smaller than that of the thread opening, the pressing direction can be finely adjusted by the pressing device, and the limitation on clamping of an object is reduced.

Referring to fig. 4, in order to prevent the pressing plate and the pressing bolt from falling off, a trapezoidal section is left at the end of the threaded section, an arc-shaped notch is formed in the other side of the clamping opening, and a semi-cylindrical anti-slip block is arranged at the notch, so that the clamped object can be prevented from falling off, and the clamping stability is improved.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a bolt clamping device, includes to press from both sides cover (3), clamp bolt (4), clamp plate (5), square connecting rod (15), fastening bolt (2), its characterized in that: a square connecting block (1) is arranged on one side of the jacket (3), a through square jack and a threaded hole on one side are formed in the middle of the square connecting block (1), the square connecting rod (15) is spliced with the jacket (3) through the square jack and fixedly mounted with the jacket (3) through a fastening bolt (2), a square screw block (7) is arranged on one side of a clamping opening of the jacket (3), a threaded hole is formed in the middle of the square screw block (7), and the pressing bolt (4) is in threaded connection with the jacket (3) through the threaded hole;

the utility model discloses a clamp plate, including clamp plate (5), clamp bolt (4), no screw thread section (10) length of thin waist hinge system hole bolt (14) is the same with screw thread section (11) length, just no screw thread section (10) is less than screw thread section (11) diameter by 0.5 ~ 1mm, clamp plate (5) one side middle part is equipped with circular screw (12), circular screw (12) are equipped with cylindricality hole (13) and screw thread mouth (9) by interior outside to in proper order, clamp bolt (4) head and clamp plate (5) threaded connection.

2. A bolt clamping apparatus according to claim 1, wherein: the screw thread is trapezoidal thread in screw thread section (11) and screw thread mouth (9), cylindrical hole (13) diameter is greater than screw thread section (11)0.5 ~ 1mm, screw thread section (11) pass screw thread mouth (9) and cylindrical hole (13) movable mounting.

3. A bolt clamping device according to claim 1, wherein: the thin waist-hinged hole bolt (14) is as high as the round screw hole (12).

4. A bolt clamping device according to claim 1, wherein: a trapezoidal section (6) is reserved at the tail end of the thread section (11).

5. A bolt clamping device according to claim 1, wherein: the other side of the clamping opening is provided with a circular arc-shaped gap, and a semi-cylindrical anti-skidding block (8) is arranged at the gap.