KR101820700B1 - Fixing structure for shaft - Google Patents

Abstract

The present invention relates to a shaft fixing structure which includes a bracket having installation grooves positioned on both sides of a fixing unit to face each other, allows both ends of a shaft to be inserted into the installation grooves, fixes a support part to prevent the shaft on the installation grooves from escaping to easily separate the shaft simply by removing the support part without removing the bracket to facilitate maintenance and repair, allows a plurality of shafts to be simultaneously installed if a plurality of installation grooves are formed on a single bracket to simplify a structure and reduce manufacturing costs and manufacturing time, and allows a spacer to be arranged between the bracket and the support part to install shafts of various thicknesses. According to a proper embodiment of the present invention, the shaft fixing structure comprises: a fixing unit; a bracket which is fixed and installed on both sides of one surface of the fixing unit, and has installation grooves on points facing each other; a shaft whose both ends are positioned to be inserted into the installation grooves on both sides; and a support part covered on the installation grooves into which the ends of the shaft are inserted, and fixed on the bracket side.

Description

Fixing structure for shaft < RTI ID = 0.0 >

In the present invention, both ends of the shaft are inserted into the mounting groove, and the supporting piece is fixed so that the shaft is not separated on the mounting groove, so that the bracket can be disassembled The shafts can be easily separated and maintenance is easy, and when a plurality of installation grooves are formed in one bracket, a plurality of shafts can be installed at the same time, so that the construction is simple, and manufacturing cost and manufacturing time can be reduced And a spacer may be provided between the bracket and the support piece so that a shaft having various thicknesses can be installed.

A shaft is one of the components widely used in various mechanical devices and is divided into shafts which are used as a means of power transmission such as rotational motion or linear motion depending on the mounting position or as means for supporting the parts .

At this time, the shaft for supporting the component can be divided into a shaft used for simply securing the component to the device and a shaft used for guiding the component while being supported.

Such a shaft has a different installation structure depending on its characteristics when it is installed, and in particular, a shaft for supporting a part to be operated and guiding it in a constant orbit requires a high degree of precision.

Conventionally, these shafts are installed in such a manner that both ends thereof are inserted into a "⊥" -shaped fastener provided on both sides. However, since the fastener is provided at a position corresponding to the length of the shaft on the installation subject side, it is difficult to insert the shaft in a state where both fasteners are installed on both sides.

Therefore, it is a common practice to fix the fastener on one side first, then to insert one side of the shaft, and then fasten the fastener with the other side of the shaft on the other side. Therefore, when the shaft needs to be repaired, the fastening hole must be separated.

In addition, since two fasteners are provided on both sides of each shaft, the structure is complicated, the manufacturing cost is increased, and the manufacturing time is increased. In addition, according to the outer diameter of the shaft, it is necessary to provide fasteners of different sizes.

1. Korean Utility Model Registration Bulletin No. 20-0134678 (October 23, 1998) 2. Korean Utility Model Laid-Open Publication No. 20-1999-0032091 (July 27, 1999) 3. Korean Patent Publication No. 10-2016-0021540 (Feb. 26, 2016)

Accordingly, it is an object of the present invention to provide a bracket that is disposed on both sides of a fixed portion so as to face opposite mounting grooves, both ends of a shaft are inserted into the mounting groove, and a support piece is fixed so that the shaft is not detached on the mounting groove, And the shaft can be easily separated only by the loosened body, thereby providing a shaft fixing structure that can be easily maintained.

Further, when a plurality of mounting grooves are formed in one bracket, a plurality of shafts can be installed at the same time, thereby simplifying the structure, reducing manufacturing cost and manufacturing time, and providing a spacer between the bracket and the supporting piece And to provide a shaft fixing structure in which a shaft having various thicknesses can be installed.

The object of the present invention can be achieved by a fixing device comprising a fixing part, a bracket fixedly installed on both sides of one side of the fixing part, wherein the fixing groove is formed at a position opposite to the fixing part, a shaft positioned at both ends thereof, And a support piece which is covered on the installation groove into which the end of the shaft is inserted and is fixed to the side of the chisel bracket.

In the present invention, a plurality of first fastening holes are formed in the vertical direction at both ends of the fixing portion, and a plurality of second fastening holes are formed in the vertical direction.

In the present invention, at one side of the bracket, a third fastening hole corresponding to the second fastening hole is formed so as to be positioned between the installation groove and the installation groove, and a fourth fastening hole corresponding to the first fastening hole is formed at the other side of the bracket. A ball is formed through.

In the present invention, the first fastening bolt and the second fastening bolt integrally penetrate through the first fastening hole and the fourth fastening hole, and the first fastening bolt, which is inserted through the first fastening hole and the fourth fastening hole, So that the bracket is fixed to the fixed portion.

In the present invention, a fifth fastening hole corresponding to the third fastening hole is formed through the support piece, a second fastening bolt is integrally passed through the second fastening hole, the third fastening hole and the fifth fastening hole, A second fastening nut is screwed to a portion of the second fastening bolt inserted through the second fastening hole, the third fastening hole and the fifth fastening hole to fix the bracket to the fixing portion side, Thereby fixing the side to the bracket side.

In the present invention, the distance between the mounting groove of the bracket on both sides and the mounting groove corresponds to the length of the shaft.

In the present invention, a spacer is further provided between the third fastening hole and the fifth fastening hole, and when the spacer is provided, the second fastening bolt is inserted into the second fastening hole, the third fastening hole, the spacer and the fifth fastening hole And the second fastening nut is screwed to the end portion.

According to the shaft fixing structure as described above, brackets are provided on both sides of the fixed portion so that the mounting grooves are opposed to each other. Both ends of the shaft are inserted into the mounting grooves, and the supporting pieces are fixed so that the shaft is not separated on the mounting groove, The shaft can be easily separated only by disassembly without disassembly, which is advantageous in that the maintenance can be easily performed.

Further, when a plurality of mounting grooves are formed in one bracket, a plurality of shafts can be installed at the same time, which simplifies the structure and reduces manufacturing cost and manufacturing time.

In addition, since the spacer can be provided between the bracket and the support piece, a shaft having various thicknesses can be installed.

1 is a perspective view of a shaft fixing structure according to a preferred embodiment of the present invention;
2 is an exploded perspective view of a shaft fixing structure according to a preferred embodiment of the present invention.
3 is a sectional view of a shaft fixing structure according to a preferred embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood that the same is by way of illustration and example only and is not to be taken by way of limitation, the scope of the present invention being limited only by the terms of the appended claims.

FIG. 1 is a perspective view of a shaft fixing structure according to a preferred embodiment of the present invention, FIG. 2 is an exploded perspective view of a shaft fixing structure according to a preferred embodiment of the present invention, FIG. 3 is a perspective view of a preferred embodiment of the present invention Sectional view of the shaft fixing structure according to the present invention.

The shaft fixing structure according to a preferred embodiment of the present invention is characterized in that the shaft fixing structure according to the present invention includes a fixed portion, a bracket fixedly installed on both sides of the fixed portion of the fixed portion, And a support piece which is covered on the installation groove into which the end of the shaft is inserted and which is fixed to the side of the chisel bracket.

Hereinafter, the connection relationship between the components of the shaft fixing structure 1 and the components thereof according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3. FIG.

First, the fixing unit 10 described above is provided with components to be described later. As shown in the figure, the fixing part 10 may be formed of a single body, but it may be formed of two separate bodies, and when separated, the two sides are positioned on the same plane . In the case of a single body, brackets 20 to be described later are installed on both sides thereof, and in the case of two bodies, brackets 20 are installed on each body. It goes without saying that the fixing part 10 can be modified in any way as long as the mounting grooves 21 of the bracket 20 can be disposed opposite to each other.

A plurality of first fastening holes 11 are vertically formed at both ends of the fixing part 10 and a plurality of second fastening holes 12 are formed through the inside of the fastening part 10 in a vertical direction. The first fastening hole 11 and the second fastening hole 12 are for fixing the bracket 20 and the support piece 40 to be described later.

In a preferred embodiment of the present invention, the constituent members are described as being fastened to each other by fastening bolts inserted into the fastening holes, and fastening nuts screwed into the fastening bolt ends, respectively It is needless to say that one of various fastening methods according to the related art such as welding can be selectively used.

A bracket 20 is fixed to both sides of one side of the fixing part 10 so that the shaft 30 is fixed to the bracket 20. The mounting groove 21 of the brackets 20 Respectively. One end of the shaft 30 is inserted into the mounting groove 21 of the one side bracket 20 and the other end of the shaft 30 is inserted into the mounting groove 21 of the other side bracket 20. Since the distance between the mounting groove 21 of the both side brackets 20 and the mounting groove 21 corresponds to the length of the shaft 30, the length of the shaft 30 to be installed and the length of the mounting groove 21 It should be fixed to the fixing part 10 side in consideration of the depth of the fixing part 10.

A third fastening hole 22 corresponding to the second fastening hole 12 is formed at one side of the bracket 20 to be positioned between the fastening hole 21 and the fastening hole 21 and the bracket 20 The fourth fastening hole 23 corresponding to the first fastening hole 11 is formed through the other side.

The first fastening bolt 50 is integrally passed through the first fastening hole 11 and the fourth fastening hole 23 and the first fastening hole 11 and the second fastening hole 23 are formed in the first fastening hole 11 and the fourth fastening hole 23, The first fastening nut 51 is screwed to the end of the first fastening bolt 50 so that the bracket 20 is fixed to the fastening portion 10 side.

At this time, both ends of the shaft 30 can be temporarily inserted into the mounting groove 21 of the bracket 20, and both the brackets 20 may be provided on the side of the fixing portion 10 before the shaft 30 is fastened. A plurality of the mounting grooves 21 may be formed on the side of the bracket 20 so that the plurality of the shafts 30 can be simultaneously fixedly installed only by the pair of brackets 20. [

Both ends of the shaft 30 are inserted into the mounting grooves 21 on both sides. The shaft 30 is formed in a circular rod shape, and serves to fix or guide the movement of a predetermined component member. Such a shaft 30 can be manufactured to have various lengths and diameters. The shaft 30 can be easily detached from both ends of the insertion groove by simply disengaging the support piece 40, which will be described later, without disassembling the bracket 20, so that maintenance is relatively easy.

On the other hand, the support piece 40 is covered on the mounting groove 21 into which the end of the shaft 30 is inserted. The shaft piece 30 inserted into the mounting groove 21 is separated from the support piece 40 It does not support it. The supporting piece 40 is fixed to the bracket 20 side in a state where the mounting groove 21 is covered. Therefore, the length of the support pieces 40 can be varied according to the number of the installation grooves 21 formed. A fifth fastening hole 41 corresponding to the third fastening hole 22 is formed in the support piece 40. The second fastening hole 12, the third fastening hole 22, The second fastening bolt (60) is integrally passed through the hole (41). A second fastening nut 61 is screwed to the second fastening bolt 60 passing through the second fastening hole 12, the third fastening hole 22 and the fifth fastening hole 41, (20) is fixed to the side of the fixing part (10) and the supporting piece (40) is fixed to the side of the bracket (20).

Although the support pieces 40 are provided only on one side of the fixing part 10, that is, on the side where the bracket 20 is provided, the second supporting part 40 is additionally provided on the other side of the fixing part 10, The bracket 20 is inserted into the fastening hole of the support piece 40 and penetrates the bracket 20 and the fixing portion 10 and then protrudes toward the fastening hole of the support piece 40 of the other surface and then fastened and fixed by the fastening nut.

3, a spacer 70 may be further provided between the third fastening hole 22 and the fifth fastening hole 41, that is, between the bracket 20 and the support piece 40. [ The shaft 30 has a function of correcting the shaft 30 inserted into the mounting groove 21 when the outer diameter of the shaft 30 is larger than the mounting groove 21 so that a part of the shaft 30 protrudes outside the mounting groove 21 . Therefore, when the spacer 70 is provided, the second fastening bolt 60 is inserted into the second fastening hole 12, the third fastening hole 22, the spacer 70 and the fifth fastening hole 41, And the second fastening nut 61 is screwed to the end.

According to the shaft fixing structure 1 as described above, the bracket 20 is disposed on both sides of the fixing portion 10 so that the mounting groove 21 is opposed to the mounting groove 21. In the mounting groove 21, The shaft 30 can be easily separated only by disassembling the supporting piece 40 without disassembling the bracket 20 by fixing the supporting piece 40 so that the shaft 30 is not separated from the mounting groove 21 Maintenance is easy. When a plurality of mounting grooves 21 are formed in one bracket 20, a plurality of shafts 30 can be installed at the same time, thereby simplifying the structure and reducing manufacturing cost and manufacturing time. Further, a spacer 70 may be provided between the bracket 20 and the support piece 40, and a shaft 30 having various thicknesses may be provided.

It is to be understood by those skilled in the art that the present invention may be embodied in many other forms without departing from the spirit or scope of the present invention, It is therefore intended that the above-described embodiments be considered as illustrative rather than restrictive, and that all implementations within the scope of the appended claims and their equivalents are intended to be included within the scope of the present invention.

1: Shaft fixing structure
10:
11: first fastening hole
12: second fastening hole
20: Bracket
21: Installation home
22: Third fastening hole
23: Fourth fastener
30: Shaft
40:
41: fifth fastening hole
50: first fastening bolt
51: first fastening nut
60: Second fastening bolt
61: second fastening nut
70: Spacer

Claims (7)

delete delete delete delete A fixing portion 10;
A bracket 20 fixedly installed on both sides of one side of the fixing part 10 and provided with mounting grooves at opposed positions;
A shaft (30) positioned at both ends thereof so as to be inserted into the mounting groove on both sides; And
And a support piece (40) which is covered on the mounting groove into which the end of the shaft (30) is inserted and is fixed to the bracket (20) side,
A plurality of first fastening holes 11 are vertically formed at both ends of the fixing portion 10 and a plurality of second fastening holes 12 are formed through the inside of the fixing portions 10 in a vertical direction,
A third fastening hole 22 corresponding to the second fastening hole 12 is formed at one side of the bracket 20 so as to be positioned between the fitting groove and the installation groove, and on the other side of the bracket 20, A fourth fastening hole 23 corresponding to the first fastening hole 11 is formed to pass therethrough,
A first fastening bolt 50 is integrally passed through the first fastening hole 11 and the fourth fastening hole 23 so as to be inserted into the first fastening hole 11 and the fourth fastening hole 23, A first fastening nut 51 is screwed to the end of the first fastening bolt 50 so that the bracket 20 is fixed to the fastening portion 10 side,
A fifth fastening hole 41 corresponding to the third fastening hole 22 is formed in the support piece 40 and is connected to the second fastening hole 12, the third fastening hole 22, A second fastening bolt (60) is integrally passed through the hole (41), and the second fastening hole (12), the third fastening hole (22), and the second fastening hole The second fastening nut 61 is screwed to the fixing bolt 60 so that the bracket 20 is fixed to the fixing part 10 and the supporting piece 40 is fastened to the bracket 20, And the shaft fixing structure is fixed to the shaft.
The method of claim 5,
Wherein the distance between the mounting groove of the bracket (20) on both sides and the mounting groove corresponds to the length of the shaft (30).
The method of claim 6,
A spacer 70 is further provided between the third fastening hole 22 and the fifth fastening hole 41. When the spacer 70 is provided, the second fastening bolt 60 is inserted into the second fastening hole 41, , And a second fastening nut (61) is threadedly coupled to the end of the first fastening hole (12), the third fastening hole (22), the spacer (70), and the fifth fastening hole (41).

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