TWM659258U - Clamping device - Google Patents

Abstract

This invention is about a clamping device, including a base, a first body, a second body and an adjustment unit, wherein the base is provided with a tube body, which is hollow and can be connected to an external object; the first body and the second body are assembled with the base at the same time, and the adjustment unit is used to clamp, adjust and fix another external object, so that the clamping device can achieve the connection or separation of two objects, and the operation is simple and fast, and it is very practical.

Description

Clamping device

This creation is about a clamping device, specifically a device that can adjust the tightness and quickly connect or separate two objects.

Generally speaking, most of the traditional wheelchairs currently used by the elderly or disabled are operated manually, which brings many inconveniences and limitations to users. Therefore, relevant companies have developed an electric head that can be installed in front of the traditional wheelchair without power according to usage needs. However, when installing it, the existing connection device is not only complicated in operation procedures but also time-consuming and labor-intensive, and it is obviously necessary to improve and innovate.

In view of this, the author has improved the shortcomings of the known technology and created this work after many years of experience in this industry.

The main purpose of this invention is to provide a clamping device, which can adjust the tightness and quickly connect or separate two objects, especially for the connection between a traditional wheelchair and an electric vehicle head, which is easy to operate and not easy to loosen. To achieve the above purpose, this invention provides a clamping device, including: a base, the base is provided with a tube body, the tube body is hollow, so as to connect an external object, the top is provided with a joint part, the cross section of the joint part is U-shaped, and the two sides are provided with corresponding multiple through-holes; a first body, the first body is provided with a first connecting part, the first connecting part is provided with an opening on the outside, and a first hollow pipe is provided inside, The first connecting portion and the combining portion are assembled by a first screw member penetrating the through hole and the first hollow pipe and then matched with a first nut. The top of the first body is provided with a first clamping portion; a second body is provided with a second connecting portion, and a second hollow pipe is provided inside the second connecting portion. The second connecting portion and the combining portion are assembled by a second screw member penetrating the through hole and the second hollow pipe and then matched with a second nut. The second connecting part is provided with an axial hole on two corresponding sides, and a second clamping part is provided on the top of the second connecting part; and an adjusting unit, the adjusting unit is provided with a handle, one end of the handle is provided with a pivot part, the center of the pivot part is provided with a slot and a first screw hole, and the first screw hole passes through the pivot part; a connecting rod, one end of the connecting rod is provided with a ring part; a shaft, both ends of the shaft are fixed to the second connecting part The two shaft holes of the connecting part are provided, and a second screw hole is provided in the center of the shaft body; after the annular part is placed in the notch, a bolt penetrates through the annular part and is assembled with the first screw hole, and the other end of the connecting rod penetrates through the opening of the first connecting part and is sleeved with an elastic element and assembled with the second screw hole of the shaft body; as described above, the first clamping part and the second clamping part are clamped and fixed after adjusting the required tightness according to the external object by the adjusting unit.

Among them, a protrusion is provided on the outer edge of the opening of the first connecting part, and a groove is provided on the protrusion. The groove cooperates with the curvature of the hinge part to provide the handle with easier operation when rotating for clamping and adjusting the tightness.

The first connecting portion is provided with a first tooth-shaped portion, and the second connecting portion is provided with a second tooth-shaped portion. The first tooth-shaped portion and the second tooth-shaped portion are engaged with each other, and can provide a limiting function during clamping to prevent loosening and sliding.

The cross-sections of the first clamping part and the second clamping part are both in the shape of a letter "U", which can adapt to external objects of different shapes.

The two ends of the shaft are respectively fixed in the two shaft holes of the second connecting part and are respectively fixed with a fastener, and the fastener can provide stability for the shaft during rotation adjustment.

The above-mentioned purpose and advantages of this invention can be easily understood from the detailed description and attached figures of the following selected implementation examples.

Of course, this creation may be different in some parts or arrangements of parts, but the selected implementation will be described in detail in this manual and its structure will be shown in the attached figures.

1: Base

11: Tube body

12: Junction

13: Piercing

14: First screw

141: First nut

15: Second screw

151: Second nut

2: The first entity

21: First connection part

211: First tooth-shaped portion

22: Open mouth

23: Bump

231: Groove

24: The first hollow pipe

25: First clamping part

3: Second body

31: Second connection part

311: Second tooth-shaped part

32: Second hollow pipe

33: Axle hole

34: Second clamping part

4: Adjustment unit

41:Handle

42: Joint

421: Missing slot

422: First screw hole

43: Connecting rod

431: Ring-shaped part

44: Bolts

45: Elastic element

46: Axis

461: Second screw hole

47: Fasteners

The first picture is a three-dimensional combination diagram of this creation.

The second picture is a three-dimensional decomposition diagram of this creation.

The third picture is a schematic diagram of the three-dimensional combination of the adjustment units of this creation.

The fourth picture is a schematic diagram of the first action state of this creation.

The fifth picture is a schematic diagram of the second action state of this creation.

The sixth picture is a schematic diagram of the third action state of this creation.

The seventh picture is a schematic diagram of the fourth action state of this creation.

Regarding the technical means used by this creation to achieve the above-mentioned purpose, the following implementation forms are described in detail below with diagrams, so that Junshang can have a deep understanding and recognition of it.

Please refer to the first, second and third figures. This invention provides a clamping device, including: a base 1, the base 1 is provided with a tube 11, the tube 11 is hollow, so as to connect an external object (such as an electric vehicle head), the top is provided with a joint 12, the joint 12 is U-shaped in cross section, and has a plurality of corresponding through holes 13 on both sides; a first body 2, the first body 2 is provided with a first connecting portion 21, the first connecting portion 21 is provided with an opening 22 on the outside, and a first hollow pipe 24 is provided inside, the first The connecting portion 21 and the coupling portion 12 are assembled with a first nut 141 after a first screw 14 penetrates the through-hole 13 and the first hollow pipe 24. The top of the first body 2 is provided with a first clamping portion 25; a second body 3 is provided with a second connecting portion 31, and a second hollow pipe 32 is provided inside the second connecting portion 31. The second connecting portion 31 and the coupling portion 12 are assembled with a second nut 151 after a second screw 15 penetrates the through-hole 13 and the second hollow pipe 32. The second connecting part 31 has an axial hole 33 on its two corresponding sides, and a second clamping part 34 on the top of the second connecting part 31; an adjusting unit 4, the adjusting unit 4 has a handle 41, one end of the handle 41 has a pivot part 42, the center of the pivot part 42 has a notch 421 and a first screw hole 422, the first screw hole 422 passes through the pivot part 42; a connecting rod 43, one end of the connecting rod 43 has a ring part 431; a shaft 46, the two ends of the shaft 46 are fixed to the two axial holes of the second connecting part 31 33, a second screw hole 461 is provided in the center of the shaft 46; after the annular portion 431 is placed in the notch 421, a bolt 44 penetrates the annular portion 431 and is assembled with the first screw hole 422; the other end of the connecting rod 43 penetrates the opening 22 of the first connecting portion 21 and is sleeved with an elastic element 45 and assembled with the second screw hole 461 of the shaft 46; as described above, the first clamping portion 25 and the second clamping portion 34 are clamped and fixed after the adjustment unit 4 adjusts the required tightness according to the external object (such as a wheelchair).

Please refer to the second, third, fourth, fifth, sixth and seventh figures. When implementing this case, the handle 41 is lifted up, thereby driving the connecting rod 43 to release the first body 2 and the second body 3, and then the handle 41 is rotated left and right to adjust to a suitable tightness, and finally the handle 41 is pressed down to reset, and the first clamping part 25 and the second clamping part 34 can be used to clamp and connect an external object (such as a wheelchair).

Among them, a protrusion 23 is provided on the outer edge of the opening 22 of the first connecting part 21, and a groove 231 is provided on the protrusion 23. The groove 231 cooperates with the curvature of the hinge part to provide the handle 41 for easier operation when clamping and adjusting the tightness.

The first connecting portion 21 is provided with a first tooth-shaped portion 211, and the second connecting portion 31 is provided with a second tooth-shaped portion 311. The first tooth-shaped portion 211 and the second tooth-shaped portion 311 are engaged with each other, which can provide a limiting function during clamping to prevent loosening and sliding.

The cross-sections of the first clamping portion 25 and the second clamping portion 34 are both in a U-shape, which can adapt to external objects of different shapes.

The two ends of the shaft 46 are respectively fixed to the two shaft holes 33 of the second connecting portion 31, and are respectively fixed with a fastener 47, which can provide stability for the shaft 46 during rotation adjustment.

The disclosure of the above-mentioned implementation forms is used to illustrate the present invention, not to limit the present invention. Therefore, any changes in numerical values or replacement of equivalent components should still fall within the scope of the present invention.

The above detailed explanation will enable those who are familiar with this technology to understand that this creation can indeed achieve the above-mentioned purpose and is in compliance with the provisions of the Patent Law, so a patent application is filed.

1: Base

2: The first entity

3: Second body

4: Adjustment unit

Claims (5)

A clamping device, comprising: A base, the base is provided with a tube body, the tube body is hollow, a joint part is provided at the top, the cross section of the joint part is U-shaped, and a plurality of corresponding holes are provided on both sides; A first body, the first body is provided with a first connecting part, the first connecting part is provided with an opening on the outside, and a first hollow pipe is provided inside. The first connecting part and the combining part are assembled with a first nut after a first screw penetrates the opening and the first hollow pipe. The top of the first body is provided with a first clamping part; A second body, the second body is provided with a second connecting part, a second hollow pipe is provided inside the second connecting part, the second connecting part and the coupling part are assembled with a second nut after a second screw penetrates the through hole and the second hollow pipe, an axial hole is provided on the corresponding two sides of the second connecting part, and a second clamping part is provided on the top of the second connecting part; and An adjustment unit, the adjustment unit is provided with a handle, a pivot part is provided at one end of the handle, a notch and a first screw hole are provided in the center of the pivot part, and the first screw hole passes through the pivot part; a connecting rod, a ring part is provided at one end of the connecting rod; a shaft, the two ends of the shaft are respectively fixed to the two shaft holes of the second connecting part, and a second screw hole is provided in the center of the shaft; after the annular part is placed in the notch, a bolt passes through the annular part and is assembled with the first screw hole, and the other end of the connecting rod passes through the opening of the first connecting part and is sleeved with an elastic element and assembled with the second screw hole of the shaft. The clamping device as described in claim 1, wherein the outer edge of the opening of the first connecting portion is provided with a protrusion, and a groove is provided on the protrusion. The clamping device as described in claim 1, wherein the first connecting portion is provided with a first tooth-shaped portion, and the second connecting portion is provided with a second tooth-shaped portion. As described in claim 1, the clamping device, wherein the cross-section of the first clamping portion and the second clamping portion are both in the shape of a letter "U". As described in claim 1, the two ends of the shaft are respectively fixed to the two shaft holes of the second connecting part and are respectively fixed with a fastener.

Images