TWM498081U - Retractable protection cover - Google Patents

Description

Telescopic cover

The present invention relates to a machine tool accessory, and more particularly to a telescopic cover suitable for a machine tool.

In general, in order to prevent components such as lead screws and linear slides from being contaminated by chips, cutting fluid, dust, etc., telescopic covers are often installed between the moving parts and the fixed parts, such as TW Patent No. M299047, M402158, etc. The patent case reveals.

And the telescopic cover disclosed in the TW Patent No. M299047, M402158, and the like has a plurality of scales having completely different sizes, and the scales are all inverted U-shaped, and when the sleeves are sleeved along an axial direction, the width and the height are small. Gradually increase.

Although such a telescopic cover can achieve the intended telescopic purpose, since the scales are completely different in size, they must be manufactured in different sizes and specifications, which not only causes troubles, but also increases material management inconvenience. Increase the difficulty of assembly and increase manufacturing costs and reduce production capacity. Moreover, the scales from small to large ones will make the scales with the largest width and height occupy a large volume, which is not conducive to the configuration of peripheral devices.

Therefore, the object of the present invention is to provide a telescopic cover which is simple in structure and easy to assemble.

Therefore, the novel telescopic cover comprises a scale unit, a support unit and a shielding unit, and the scale unit has a plurality of scales which are arranged on each other in an axial direction, and each scale is integrally formed and has the same shape and size, and is vertical. The axial cross-sectional shape is inverted U-shaped, and each has a connecting end portion, a overlapping end portion opposite to the connecting end portion along the axial direction, and a connecting end portion and the overlapping end portion An extending portion that gradually expands outwardly as the connecting end extends toward the overlapping end, the overlapping end being gradually deflected inwardly from an end that engages the extension toward the other end And a first angle between the connecting end and the extending portion that is greater than 90 degrees and less than 110 degrees, and the second angle between the extending portion and the overlapping end portion is greater than 160 degrees and less than 180 degrees The overlapping end portion has three movable portions that can independently generate a biasing motion, and the movable portions of one of the scales have an elastic force that constantly maintains a tendency toward an adjacent one of the scales, and the scales can be used to make the connecting ends Condensed form Operating in an extended state in which the connecting ends are apart from each other, in the condensed state, the overlapping ends of the adjacent two scales are also in a close shape, and in the extended state, the two adjacent scales are lapped The connecting end portion is also away from the extension, and the overlapping end portion of one of the scales is disposed at an extension of the other of the scales that is adjacent to the connecting end portion, the supporting unit is coupled to the scale unit, and has a plurality of respectively connected to the The support plates are connected to the ends, and the support plates are perpendicular to the axial direction. The shielding unit is coupled to the scale unit and the supporting unit and is provided with a flexible cloth material, and has a plurality of fixing portions and a plurality of fixing portions respectively fixed to the connecting end portions and the supporting plates. The shielding portions on the side of the fixing portions are integrally connected to each other.

The effect of the novel: the scales of the scale unit have the same shape and size, which is not only easy to manufacture, assemble, and convenient in material management, but also can reduce manufacturing cost and increase productivity.

100‧‧‧scale unit

X‧‧‧ axial

10‧‧‧ scales

11‧‧‧Connecting end

12‧‧‧ lap end

13‧‧‧Extension

θ 1‧‧‧ first angle

θ 2‧‧‧second angle

14‧‧‧Activities

15‧‧‧ top board

16‧‧‧ side panels

200‧‧‧Support unit

20‧‧‧Support board

21‧‧‧ top edge

22‧‧‧ side edge

300‧‧‧shading unit

31‧‧‧ Fixed Department

32‧‧‧Shading Department

100’‧‧‧scale unit

10’‧‧‧ scales

15’‧‧‧ top board

200’‧‧‧Support unit

20’‧‧‧Support board

21’‧‧‧Top edge

300’‧‧‧shading unit

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is a perspective view of a first embodiment of the present invention; FIG. 3 is an exploded perspective view of a first embodiment of the present invention; FIG. 3 is a partial enlarged view of the first embodiment of the present invention; FIG. 4 is a partially enlarged schematic view of the first embodiment of the present invention; A connecting end of most scales approaches each other.

Figure 6 is a perspective view of a second embodiment of the present invention; and Figure 7 is an exploded perspective view of the second embodiment of the present invention.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the first embodiment of the novel telescopic cover comprises a scale unit 100 , a support unit 200 and a shielding unit 300 .

The scale unit 100 has a plurality of scales 10 erected along one axial direction X. Each of the scales 10 is integrally formed and has the same shape and size. The cross-sectional shape perpendicular to the axial direction X is inverted U-shaped and each has a The connecting end portion 11, a overlapping end portion 12 opposite to the connecting end portion 11 in the axial direction X, and an extending portion 13 that is engaged between the connecting end portion 11 and the overlapping end portion 12. The extension 13 gradually expands outwardly as the connecting end portion 11 extends toward the overlapping end portion 12, and the overlapping end portion 12 is gradually deflected inward when the end that is engaged with the extending portion 13 extends toward the other end. And the first angle θ1 between the connecting end portion 11 and the extending portion 13 is greater than 90 degrees and less than 110 degrees. In the embodiment, the first angle θ 1 is about 93 degrees, and the extending portion 13 is The overlapping ends 12 have a second included angle θ 2 greater than 160 degrees and less than 180 degrees. In the present embodiment, the second included angle θ 2 is about 166 degrees.

The overlapping ends 12 of the scales 10 have three movable portions 14 that are independently biased, and the movable portions 14 of one of the scales 10 have an elastic force that constantly maintains a tendency toward the adjacent one of the scales 10.

In addition, in terms of structure, the scales 10 of the scale unit 100 further have a top plate 15 and a pair of side plates 16 respectively connected to the two sides of the top plate 15, and the connecting end portion 11 is disposed on the top plate 15 and the same The side plate 16 has a corresponding end, and the overlapping end portion 12 is disposed at the other end of the top plate 15 corresponding to the side plates 16. In this embodiment, the top plate 15 of the scales 10 of the scale unit 100 is flat. .

The support unit 200 is coupled to the scale unit 100 and has a plurality of support plates 20 respectively connected to the connection ends 11 of the scales 10, and the support plates 20 are inverted U-shaped perpendicular to the shape of the axial direction X, and Each of the top edges 21 and the pair of side edges 22 respectively abutting the top edge 21 and abutting the side edges 22 of the side panels 16 respectively provide the scales 10 Produces better structural strength.

The shielding unit 300 is coupled to the scale unit 100 and the supporting unit 200 and is made of a flexible cloth material, and has a plurality of fixing portions 31 respectively fixed to the connecting end portions 11 and the supporting plates 20, and a plurality of the respective connecting portions are integrally connected. The shielding portion 32 on the side of the fixing portion 31.

As shown in FIG. 1 , FIG. 3 and FIG. 4 , after the integral assembly of the telescopic cover is completed, and the telescopic cover is displayed in an unfolded state, the connecting ends 11 of the scales 10 are away from each other and present. In the extended state, the overlapping end portions 12 of the adjacent two scales 10 are also away from each other, and the overlapping end portions 12 of one of the scales 10 are disposed on the connecting end portion 11 and the overlapping end portion 12 of the other scale 10 In between, that is, the overlapping end portion 12 of one of the scales 10 overlaps the extension 13 of the other scale 10 and approaches the connection end 11. The support plates 20 of the support unit 200 are subjected to the distance of the scales 10 from each other, and are also distant from each other. The shielding unit 300 is subjected to the separation of the scales 10 from each other, and the shielding portions 32 are in an extended state.

Further, when the telescopic cover is in an unfolded state, when the overlapping end portion 12 is extended from the extending portion 13 toward the outer side opposite to the connecting end portion 11, the obliquely extending toward the adjacent one of the scales 10 is gradually performed. The overlapping end portion 12 of one of the scales 10 has an elastic force that constantly maintains a tendency toward the adjacent one of the scales 10, and the movable portion 14 of the overlapping end portions 12 can independently generate a bias to urge the adjacent two The lands of the scales 10 remain tight to prevent leakage.

As shown in FIG. 5, when the telescopic cover is subjected to an external force such that the opposite ends along the axial direction X are pressed inwardly, the scales 10 can be operated from the extended state to make the connecting end portions 11 mutually Approaching condensation In the condensed state, the overlapping end portions 12 of the adjacent two scales 10 are also in a close shape, and the support plate 20 of the supporting unit 200 is driven by the scales 10 and also approaches each other. The shielding unit 200 is subjected to the approaching of the scales 10, and the shielding portions 32 are extruded.

Therefore, the telescopic cover of the present invention is integrally formed by the scales 10 of the scale unit 100 and has the same shape and size, and the cross-sectional shape perpendicular to the axial direction X is inverted U-shaped, and the connecting end portions 11 are utilized. Having the first angle θ 1 between the extensions 13 and the scales 10 can keep the scales 10 smooth when approaching or moving away from each other, and between the extensions 13 and the overlapping ends 12 The second angle θ 2 causes the movable portions 14 to elastically abut against the adjacent scales 10. Not only can the scale unit 100, the support unit 200 and the shielding unit 300 be firmly connected, but the structure of the scale unit 100 is simple, the overall manufacturing assembly is relatively easy, and the manufacturing cost and the productivity can be reduced.

And the extension 13 of the scale 10 is gradually enlarged outward when the connecting end portion 11 extends toward the overlapping end portion 12, so that the scales 10 are made into the same shape and size, and occupy a small volume. There are configurations for peripheral devices.

As shown in Fig. 6 and Fig. 7, the second embodiment of the novel telescopic cover also includes a scale unit 100', a support unit 200' and a shielding unit 300'. The difference from the first embodiment is only that the top plate 15' of the scale 10' of the scale unit 100' is convexly pointed, and the top edge 21' of the support plate 20' of the support unit 200' is pointed. The top edge of the shielding unit 300' is also convex.

However, the above description is only for the embodiments of the present invention, and the scope of the present invention cannot be limited thereto, that is, the simple equivalent changes and modifications made by the present patent application scope and the contents of the patent specification are still It is within the scope of this new patent.

100‧‧‧scale unit

X‧‧‧ axial

10‧‧‧ scales

11‧‧‧Connecting end

12‧‧‧ lap end

13‧‧‧Extension

14‧‧‧Activities

15‧‧‧ top board

16‧‧‧ side panels

200‧‧‧Support unit

20‧‧‧Support board

21‧‧‧ top edge

22‧‧‧ side edge

300‧‧‧shading unit

31‧‧‧ Fixed Department

32‧‧‧Shading Department

Claims (6)

A telescopic cover comprising: a scale unit having a plurality of scales erected along one axial direction, each of the scales being integrally formed and having the same shape and size, and an inverted U-shape perpendicular to the axial cross-sectional shape, and Each has a connecting end portion, a overlapping end portion opposite to the connecting end portion in the axial direction, and an extending portion disposed between the connecting end portion and the overlapping end portion, the extending portion is connected by the connecting end The portion gradually expands outward as the overlapping end portion extends, and the overlapping end portion gradually tapers inwardly from an end that engages the extension portion toward the other end, and the connecting end portion and the extending portion have a first angle greater than 90 degrees and less than 110 degrees, the extension having a second angle greater than 160 degrees and less than 180 degrees between the overlapping ends, the overlapping ends having three independently biasing The active portion, and the active portions of one of the scales have an elastic force that constantly maintains a tendency toward an adjacent scale, and the scales can be operated by a condensation state in which the connecting ends approach each other Waiting for the extension ends to extend away from each other In the condensed state, the overlapping ends of the adjacent two scales are also close to each other. In the extended state, the overlapping ends of the adjacent two scales are also away, and one of the scales is lapped. The end portion is disposed at an extension of the other flank that is adjacent to the connecting end; a supporting unit is coupled to the scaly unit and has a plurality of supporting plates respectively coupled to the connecting ends, the supporting plates are vertical In the axial direction; and a shielding unit coupled to the scale unit and the supporting unit A flexible cloth material is used, and a plurality of fixing portions respectively fixed to the connecting end portions and the supporting plates and a plurality of shielding portions integrally connected to the fixing portions are integrally provided. The telescopic cover of claim 1, wherein the scales of the scale unit further have a top plate and a pair of side plates respectively connected to the two sides of the top plate, the connecting ends being disposed on the top plate and the side plates A corresponding end is provided, and the overlapping end is disposed at the other end of the top plate corresponding to the side plates. The telescopic cover of claim 2, wherein the top plate of the scales of the scale unit is flat, the top edge of the support plate of the support unit is flat, and the top edge of the shielding unit is straight shape. The telescopic cover of claim 2, wherein the top plate of the scales of the scale unit has a convex shape, and a top edge of the support plate of the support unit has a convex shape, and a top edge of the shielding unit It is pointed and convex. The telescopic cover according to any one of claims 1 to 4, wherein the first angle of the scale unit is 93 degrees. The telescopic cover of claim 5, wherein the second angle of the scale unit is 166 degrees.