TWM483012U - Hole structure of ball slide rail - Google Patents

Description

Bead hole structure of ball slide

This creation is about a kind of slide-related structural improvement, especially in the ball slide, which is used to accommodate the ball-hole structure of the ball.

For the structure of the ball-hole structure of the conventional ball slide, please refer to the Chinese Patent No. M275756 "Improvement of the bead structure of the drawer slide", or as shown in Figures 1 and 2, which includes a first slide rail 11 a second sliding rail 12, a sliding member 13 and a plurality of balls 14, wherein the sliding member 13 has a plurality of bead grooves 15 extending from the upper and lower ends thereof, and the plurality of beading portions 151 are provided in the notches of the bead grooves 15 for The ball 14 is disposed in the bead groove 15 , and the sliding groove 111 in the first sliding rail 11 and the sliding groove 121 outside the second sliding rail 12 are arranged to make the first sliding rail 11 Sliding relative to the second slide rail 12.

However, the conventional bead groove structure of the drawer slide still has a space to be improved. For example, referring to FIG. 2 and FIG. 1 , when the ball 14 rolls in the bead groove 15 of the slider 13 , the ball 14 is used. It is disposed in the bead groove 15, so that when the ball 14 rolls, it will rub against the notch edge of the bead groove 15, resulting in a smoothness during rolling.

In view of this, the creator has conceived and studied more deeply, and finally Created a ball-hole structure for ball slides.

The present invention provides a bead hole structure of a ball slide rail, and the main purpose thereof is to improve the smoothness of the ball of the ball slide rail when the ball slide rail slides by improving the bead hole structure of the ball slide rail.

To achieve the foregoing objective, the present invention provides a bead hole structure of a ball slide, comprising: a first slide rail having an inner chute; and a second slide rail having an outer chute, the second slide rail The outer sliding slot is slidably disposed on the first sliding rail relative to the inner sliding slot of the first sliding rail; and a sliding member has a bottom and two structural walls respectively formed on two sides of the bottom. a plurality of bead holes are formed on the two structural walls, and the structural wall is formed with a buffer gap in a radial direction of the bead hole along the sliding direction; and a plurality of balls are accommodated in the bead holes and received by the inner chute The outer chute and the beading portion are limited.

The present invention utilizes the bead structure of the ball slide provided to obtain the effect that: by forming a buffer gap in the radial direction of the bead hole along the sliding direction, the ball has a rolling direction in the rolling direction. The buffering space is used to reduce the frictional force during rolling; in addition, the peripheral edge of the bead hole has the effect of storing lubricating oil at the buffering gap, and the lower hardness is naturally taken when the ball and the bead hole of the bead hole are rubbed. Debris is generated, and the lubricating oil stored in the buffer gap can accommodate the debris to prevent debris from accumulating in the hole of the bead and affecting the efficiency of rolling.

For the purpose of achieving the above objectives, the techniques, means and other functions used for the above purposes, a preferred embodiment is described in detail with reference to the drawings. Rear.

[study]

11‧‧‧First slide rail

111‧‧‧Internal chute

12‧‧‧Second rail

121‧‧‧Outer chute

13‧‧‧Sliding parts

14‧‧‧ balls

15‧‧‧Beads

151‧‧‧Bead Department

[this creation]

21‧‧‧First slide rail

211‧‧‧in chute

22‧‧‧Second rail

221‧‧‧ outer chute

30‧‧‧Sliding parts

30B‧‧‧Sliding parts

31‧‧‧ bottom

32‧‧‧Structural wall

321‧‧‧ Rectangular board

321B‧‧‧Rectangle board

322‧‧‧ strip interval

33‧‧‧Beacon

33B‧‧‧Pearhole

34‧‧‧Bead Department

35‧‧‧ Contraction

36‧‧‧buffer gap

36B‧‧‧buffer gap

40‧‧‧ balls

42‧‧‧Lubricating oil

43‧‧‧ Debris

S‧‧‧ sliding direction

Figure 1 is a cross-sectional view of a conventional ball slide.

Figure 2 is a front view of the prior art ball-hole structure of the ball slide.

Figure 3 is an exploded perspective view of the present embodiment.

Figure 4 is a cross-sectional view of the present embodiment.

Fig. 5 is a front view of the bead structure of the present embodiment.

Fig. 6 is a schematic view showing the state of use of Fig. 5.

Fig. 7 is a schematic view showing the state of use of Fig. 4.

Figure 8 is a perspective exploded view of another embodiment of the present creation.

Figure 9 is a front elevational view of the bead structure of another embodiment of the present invention.

Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals.

In order to enable your review committee to have a better understanding and understanding of the purpose, characteristics and efficacy of this creation, please refer to the following [Simplified Description of the Drawings] for details: The preferred implementation of the bead structure of the created ball slides For example, as shown in FIG. 3 to FIG. 5, the first slide rail 21, the second slide rail 22, the slide member 30, and the plurality of balls 40 are included, wherein the first slide rail 21 has an inner chute. 211; The second sliding rail 22 has an outer sliding slot 221, and the second sliding rail 22 is slidably disposed in the sliding direction S of the first sliding rail 21 with respect to the inner sliding slot 221 The first sliding rail 21 has a bottom portion 31 and two structural walls 32 respectively formed on two sides of the bottom portion 31. The sliding member 30 is screwed to the second sliding rail 22, and the structure is fixed. The wall 32 is composed of a plurality of rectangular plates 321 each having a strip-shaped space 322. The two structural walls 32 are provided with a plurality of bead holes 33. More specifically, each of the bead holes 33 is respectively Each of the rectangular plates 321 is formed on the periphery of each of the bead holes 33, and a plurality of bead portions 34 are formed on the inner side of each of the bead holes 33, and each end of the bead portion 34 has a constricted portion 35, wherein each The radius of the circle surrounded by the indented portions 35 of the bead holes 33 is smaller than the radius of the bead holes 33. In this embodiment, the number of the bead portions 34 is four, and the ring is formed in an equal manner. a peripheral edge of the bead hole 33, the structural wall 32 is formed with a buffer gap 36 in the radial direction of the bead hole 33 along the sliding direction S, and the buffer gap 36 is a part of a circular arc. The radius of the arc is larger than the radius of the bead hole 33 of the sliding member 30; the plurality of balls 40 are received in the bead hole 33 and received by the inner chute 211, the outer chute 221 and the bead portion 34 limit.

The above is the main components of the creation embodiment and its configuration description. As shown in FIG. 5, in conjunction with FIG. 4, when the first slide rail 21 slides in the sliding direction S relative to the second slide rail 22, the ball 40 will Rolling at the bead hole 33, wherein a buffer gap 36 is formed in the radial direction of the sliding hole S in the sliding direction S of the structural wall 32, In order to reduce the contact area between the ball 40 and the bead hole 33, the ball 40 can be reduced in friction with the bead hole 40 during rolling rotation, thereby making the sliding process smoother.

Applicants specifically note that please refer to Figures 6 and 7 in conjunction with Figures 3 to 5, wherein the buffer gap 36 has the effect of storing the lubricating oil 42 in an appropriate amount, such as Figure 6 and As shown in Fig. 7, since the lubricating oil 42 has viscosity, the excessive lubricating oil 42 does not increase the sliding efficiency of the sliding rail, but hinders the slip. On the contrary, if the lubricating oil 42 is too small, the ball cannot be effectively reduced. The friction between the 40 and the bead hole 33 causes the slip efficiency to be inconspicuous. By the design of the buffer gap 36, the excess lubricating oil 42 can be stored and adhered to the buffer gap 36; and if the lubricating oil 42 is insufficient, when the ball 40 rolls through the buffer gap 36, the portion can be partially The lubricating oil 42 is carried away to maintain an appropriate amount of lubricating oil on the balls 40.

In addition, please refer to Figure 5. When the ball 40 is rubbed against the notch edge of the bead hole 33, the lower hardness one will naturally generate debris, and the lubricating oil 42 stored in the buffer gap 36 can accommodate the debris 43 to avoid debris 43. Accumulated in the bead hole 33 affects the efficiency of rolling.

In addition, please refer to FIG. 5 , wherein the radius of the circle surrounded by each of the indented portions 35 of each bead hole 33 is smaller than the radius of the bead hole 33 by the indentation portion. The ball 40 is restricted from passing through the bead hole 33 to improve the convenience of assembling the ball track of the present invention.

In addition, please refer to Figure 8 and Figure 9, which is the creation of this In another embodiment, after the simplified partial structure of the present invention is shown, each of the bead holes 33B is also respectively formed on each of the rectangular plates 321B, and the rectangular plate 321B is along the sliding direction of the bead holes 33B. The radial shape has a buffer gap 36B. The buffer gap 36B is a part of a circular arc having a radius larger than a radius of the bead hole 33B of the sliding member 30B, but the rectangular plate 321B is not formed. The beading part and the inner shrinking part can achieve the purpose of improving the sliding efficiency, oil storage and chip removal with a simple molding manufacturing process.

It is known from the above that this creation is indeed in line with "industry availability", "novelty" and "progressiveness". It proposes a new type of patent application according to law, and prays for review and early grant of patents.

21‧‧‧First slide rail

211‧‧‧in chute

22‧‧‧Second rail

221‧‧‧ outer chute

30‧‧‧Sliding parts

31‧‧‧ bottom

32‧‧‧Structural wall

321‧‧‧ Rectangular board

322‧‧‧ strip interval

33‧‧‧Beacon

34‧‧‧Bead Department

35‧‧‧ Contraction

36‧‧‧buffer gap

40‧‧‧ balls

S‧‧‧ sliding direction

Claims (5)

A ball hole structure of a ball slide rail, comprising: a first slide rail having an inner chute; a second slide rail having an outer chute, wherein the second slide rail is opposite to the first slide rail by the outer slide chute a sliding groove in the sliding rail, and sliding on the first sliding rail in a sliding direction; a sliding member having a bottom and two structural walls respectively formed on two sides of the bottom, the two structural walls are provided with plural a bead hole, the structural wall is formed with a buffer gap in the radial direction of the bead hole in the sliding direction; and a plurality of balls are received in the bead hole and are restricted by the inner chute and the outer chute. The beading structure of the ball bearing rail according to the first aspect of the invention, wherein the structural wall is composed of a plurality of rectangular plates, each of the rectangular plates having a space, the bead hole is formed in the rectangle On the board. The beading structure of the ball bearing rail according to the first or the second aspect of the invention, wherein the structural wall is formed with a plurality of bead portions on the inner side of each of the bead holes, and each end of the bead portion is The invention has a retracting portion, wherein a radius of a circle surrounded by each of the indentations of each bead is smaller than a radius of the bead. The bead structure of the ball slide according to claim 3, wherein the number of the bead portions is four, and an equally formed ring is formed on the periphery of the bead hole. The beading structure of the ball slide according to claim 1, wherein the buffer gap is a part of a circular arc having a radius larger than a radius of the bead of the sliding member.