TWI737289B - Multi-faceted multilayer telescopic shield device - Google Patents

Abstract

A multi-faceted multi-layer telescopic protective cover device includes an outer protective cover, at least one inner protective cover and a number of support plates. The outer shield is integrally formed and forms several wave crest lines, several wave valley lines and several retractable and foldable shielding parts. Each shielding part has a shielding area and two side areas. The inner layer shield is arranged on the inner side of the outer layer shield. The inner layer shield is integrally formed and forms several mountain-shaped folds and valley-shaped creases and several retractable and foldable concave folds. Each concave fold has two folds. In the inner folding area, each inner folding area is concavely folded inward and forms an escape space for the corresponding shielding portion to be telescopically folded. The supporting plates are arranged at intervals on the inner side of the inner layer shield and are respectively positioned on the mountain-shaped folds, and the supporting plates can be close to or away from each other to drive the inner layer shield to link the outer layer shield to expand and contract.

Description

Multi-faceted multilayer telescopic shield device

The present invention relates to a safety device suitable for keeping the cutting tools or machine tool parts in good working condition, in particular to a multi-faceted multi-layer telescopic shield device.

As shown in Figure 1, the multi-layer telescopic shield created by the applicant in this case and obtained the Republic of China's new patent M559773 includes a continuous W-shaped and retractable first shielding cloth 11, and a continuous W-shaped and retractable first shielding cloth 11 A second shielding cloth 12, a plurality of supporting plates 13, and a plurality of scales 14 are collectively arranged on the inner side of the first shielding cloth 11. Each support plate 13 is sandwiched between the first shielding cloth 11 and the second shielding cloth 12, and each support plate 13 has an inverted U located between the first shielding cloth 11 and the second shielding cloth 12 -Shaped main body 131, and two exposed inner hooks (not shown) located at the bottom ends of the left and right sides of the main body 131. The inner hooks are used to enable each support plate 13 to be slidably arranged on Two guide rails (not shown in the figure), and can be relatively folded or unfolded. The scales 14 are overlapped and foldably arranged above the first shielding cloth 11, and move with the supporting plates 13.

By the support plates 13 being close to or far away from each other, the first shielding cloth 11 and the second shielding cloth 12 can be driven to be relatively folded or unfolded, and the support plates 13, The protective effect of the first masking cloth 11 and the second masking cloth 12 can block the splashing of machining chips during cutting by the machine tool, and at the same time, the service life can be prolonged by the double-layered masking cloth structure.

However, the first shielding cloth 11 and the second shielding cloth 12 are arranged in a peak-to-trough pattern, and the main body 131 of the supporting plates 13 is wrapped between the first shielding cloth 11 and the second shielding cloth 12 , It will affect the action of telescopic folding. In view of this, the applicant of this case has conducted an in-depth study of creation and made improvements in an attitude of excellence.

Therefore, the object of the present invention is to provide a multi-faceted multi-layer telescopic shield device with better smooth operation.

Therefore, the multi-faceted multi-layer telescopic shield device of the present invention includes an outer shield, at least one inner shield and several supporting plates.

The outer shield is integrally formed and made of soft material. The outer shield is folded back and forth to form a number of alternating crest lines and trough lines, and the crest lines and the trough lines define a number of retractable folds Each trough line is located at the center of each shielding portion, each shielding portion has a shielding area extending in a left-to-right direction, and two side areas located on the left and right sides of the shielding area, each The side area extends in an up-down direction. The inner layer shield is arranged on the inner side of the outer layer shield. The inner layer shield is integrally formed and made of soft material. The inner layer shield is folded back and forth to form several mountain-shaped creases and several valley-shaped alternately arranged Creases, these mountain-shaped creases correspond to the The crest line is defined by the mountain-shaped creases and the valley-shaped creases to define a number of retractable and foldable concave folds. The concave folds correspond to the shielding portions, and each concave fold has an The shielding area below the shielding area, and two inner folding areas located on the left and right sides of the shielding area, each inner folding area is located on the inner side of the corresponding side area, and each inner folding area is concavely folded inward And form a dodge space for the corresponding shielding part to be retractable and foldable.

The supporting plates are arranged at intervals along a front-to-back direction on the inner side of the inner layer shield and are respectively positioned on the mountain-shaped creases. The supporting plates can be close to or away from each other to drive the inner layer shield to expand and contract with the outer layer shield. fold.

The effect of the present invention is to use the evasion space formed by the concave folds of the inner layer shield to be folded inwardly, so that the shielding parts of the outer layer shield can be stretched and folded in the evasion spaces, and The supporting plates are arranged on the inner side of the inner layer shield to avoid interference between the outer layer shield and the inner layer shield. Therefore, the smoothness of the operation of the present invention is better.

2: Outer shield

21: crest line

22: trough line

23: occlusion part

231: occlusion area

232: side area

233: cladding area

234: Junction Area

3: inner shield

31: Valley crease

32: Mountain-shaped crease

321: Mountain broken line segment

322: Oblique polyline segment

323: Vertical broken line segment

324: inner polyline segment

33: concave fold

330: Dodge Space

331: shielded area

332: Inside Folding Zone

333: slanted face

334: Connect Face

335: Inward Folding Face

4: scales

5: Support plate

51: outside

511: chamfer section

52: Inside

521: Sliding Section

X: left and right direction

Y: front and back direction

Z: Up and down direction

The other features and effects of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: Figure 1 is an incomplete cross-sectional view illustrating the multi-layer telescopic shield of the Republic of China patent M559773; Figure 2 is A three-dimensional view of an embodiment of the multi-faceted multi-layer telescopic shield device of the present invention Figures; Figure 3 is a perspective exploded view of this embodiment; Figure 4 is an incomplete front view of the combination of an outer shield and an inner shield of this embodiment; Figure 5 is a perspective view illustrating The several support plates of this embodiment are arranged on the inner side of the inner layer shield; Figure 6 is an incomplete three-dimensional cross-sectional view, illustrating that the several scales are arranged on the outer side of the outer layer shield; and Figure 7 is a similar view to Figure 6 The view shows a variation of the outer shield.

2 to 4, an embodiment of the multi-faceted multi-layer telescopic shield device of the present invention includes an outer shield 2, an inner shield 3, several scales 4, and several support plates 5.

The outer shield 2 is integrally formed and made of soft material. The outer shield 2 is folded back and forth to form a plurality of crest lines 21 and a plurality of trough lines 22, the crest lines 21 and the trough lines 22 are along a front-to-rear direction Y is arranged alternately in order. The crest lines 21 and the trough lines 22 define a number of shielding portions 23 that can be stretched and folded along the front-to-rear direction Y. Each shielding portion 23 is defined by two crest lines 21 and one trough line 22, And every The trough line 22 is located at the center of each shielding portion 23. Each shielding portion 23 has a shielding area 231 extending along a left-to-right direction X, two side areas 232 located on the left and right sides of the shielding area 231 and extending downward along an up-down direction Z, and two side areas 232 respectively connected to each other. At the junction area 234 between the side areas 232 and the shielding area 231, each shielding area 231 is composed of two obliquely connected surfaces, and each side area 232 is composed of two obliquely connected surfaces, each The junction area 234 is composed of two obliquely connected surfaces, and the six surfaces of each shielding portion 23 are used to be close to or away from each other, so that the shielding portions 23 can be telescopically folded.

3 to 6, the inner layer shield 3 is arranged on the inner side of the outer layer shield 2, the inner layer shield 3 is integrally formed and made of soft material, the inner layer shield 3 is folded back and forth to form an alternating arrangement A number of valley-shaped creases 31 and a number of mountain-shaped creases 32, the mountain-shaped creases 32 and the valley-shaped creases 31 are alternately arranged along the front-to-rear direction Y, and the mountain-shaped creases 32 respectively correspond to The wave crest lines 21 and the valley-shaped creases 31 correspond to the wave valley lines 22 respectively. Each mountain-shaped crease 32 has a mountain fold line segment 321 extending along the left and right direction X, two oblique fold line segments 322 extending outward and downward from the left and right ends of the mountain fold line segment 321, and two oblique line segments 322 respectively extending from the diagonal A longitudinal fold line segment 323 extending downward from the fold line segment 322 and two inner fold line segments 324 extending inward from the longitudinal fold line segments 323 respectively. The mountain-shaped creases 32 and the valley-shaped creases 31 define a number of concave folds 33 that can be folded in the front-rear direction Y. Each concave fold 33 consists of two mountain-shaped creases 32 and one Valley-shaped creases 31 are defined, and the concave folds 33 respectively correspond to the shields 防部23。 Block 23. Each concave folding portion 33 has a shielding area 331 located below the respective shielding area 231, and two inner folding areas 332 respectively located on the left and right sides of the shielding area 331, and each inner folding area 332 is located at the corresponding On the inner side of the side area 232, each inward folding area 332 is concavely folded inward to form an escape space 330 for the corresponding shielding portion 23 to be telescopically folded.

Preferably, each inner folding area 332 has two inclined surface portions 333 extending outwardly and downwardly from the respective shielding area 331 and connected obliquely to each other, and two inclined surface portions 333 extending downwardly and connected obliquely to each other respectively. The connecting surface 334 of the connecting surface 334, and the two inner folding surfaces 335 extending inwardly from the connecting surface 334 and connected obliquely to each other, the concave design of the inclined surface 333 can be offset and misaligned with respect to the respective junction area 234 Avoiding the outermost section of the valley line 22 of the boundary area 234 can avoid the problem that the outer shield 2 and the inner shield 3 are too thick to affect the assembly and operation of the two. However, in other variations, as long as the material strength of the outer layer shield 2 and the inner layer shield 3 is increased, the shape of the inner layer shield 3 and the outer layer shield 2 can be adopted with the thickness reduced. The similar design can also achieve the protective effect of retractable folding.

Therefore, the shape of the recessed portions 33 of the inner layer shield 3 can be adjusted according to actual requirements, as long as it is a multi-faceted structure that is recessed inward and forms the avoiding spaces 330 to achieve the same effect.

The scales 4 overlap each other along the front-rear direction Y and are arranged on the outer side of the outer layer shield 2, and the scales 4 can expand or overlap with the expansion and contraction of the outer layer shield 2. Each scale 4 is made of metal material and has high material strength, which can resist splashing Metal processing chips, therefore, the durability of the first embodiment is high. However, in other variants, the scales 4 can be omitted in the first embodiment, and the outer shield 2 and the inner shield 3 can provide the same protective effect.

The supporting plates 5 are arranged at intervals along the front and rear direction Y on the inner side of the inner layer shield 3 and are respectively positioned on the mountain-shaped folds 32, and each supporting plate 5 is generally inverted U-shaped and has an outer edge arranged oppositely 51 and an inner side 52. The shape of each outer side 51 matches the shape of each mountain-shaped crease 32 and is used to be embedded in the corresponding mountain-shaped crease 32. The chamfered section 511 of the polyline section 322. The inner edge 52 of each support plate 5 has a sliding section 521 extending along the left and right direction X. The position of each sliding section 521 in the vertical direction Z is lower than the respective chamfered section 511. The section 521 is used for the installation of rollers (not shown in the figure) so that the supporting plates 5 can be close to or far away from each other to drive the inner layer shield 3 to link the outer layer shield 2 to expand and contract.

Referring to FIG. 7, in a variation, each shielding portion 23 of the outer layer shield 2 also has two covering areas 233 extending inward from the side areas 232 (see FIG. 4), each The position of the covering area 233 in the up-down direction Z is lower than the corresponding inner folding portions 335. By covering the inner folding surfaces 335 of the inner shield 2 by the covering regions 233, the multi-layer shield structure has no boundary gaps and is more complete. Therefore, the protective effect is better.

It should be particularly noted that the scales 4 in this embodiment are flat, but in other variations, the scales 4 can also be designed as a roof or in accordance with actual needs. Other shapes, as long as the outer layer shield 2 and the inner layer shield 3 are modified and matched correspondingly, the same effect can also be produced.

It can be understood that this embodiment takes the inner layer shield 3 of one layer as an example, but in other variations, the multi-faceted multilayer telescopic shield device of the present invention can also have two or more layers of the The inner layer shield 3, as long as each inner layer shield 3 is formed with the evasion spaces 330, the multi-layer structure of the inner layer shields 3 can prolong the service life of the present invention several times.

In summary, the multi-faceted multi-layer telescopic shield device of the present invention makes the evasion spaces 330 formed by the concave folding portions 33 of the inner layer shield 3 inwardly folded, so that the outer layer shield 2 The shielding portion 23 can be telescoped and folded in the avoiding spaces 330. At the same time, since the supporting plates 5 are arranged on the inner side of the inner layer shield 3, the supporting plates 5, the outer layer shield 2 and the inner layer can be avoided. The shields 3 interfere with each other, and can improve the smoothness of the movement during the expansion and contraction. Therefore, it can indeed achieve the purpose of the invention.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to Within the scope covered by the patent of the present invention.

2: Outer shield

21: crest line

23: occlusion part

231: occlusion area

232: side area

234: Junction Area

3: inner shield

31: Valley crease

32: Mountain-shaped crease

321: Mountain broken line segment

322: Oblique polyline segment

33: concave fold

330: Dodge Space

331: shielded area

332: Inside Folding Zone

4: scales

5: Support plate

51: outside

511: chamfer section

52: Inside

521: Sliding Section

X: left and right direction

Y: front and back direction

Z: Up and down direction

Claims (8)

A multi-faceted multi-layer telescopic shield device, comprising: an outer shield, integrally formed and made of soft material, the outer shield is folded back and forth to form several alternately arranged wave crest lines and trough lines, and are composed of the wave crest lines and trough lines. A number of retractable and foldable shielding portions are defined with the trough lines, each trough line is located at the center of each shielding portion, each shielding portion has a shielding area extending in a left-to-right direction, and two shielding areas are respectively located in the The side areas on the left and right sides of the shielding area, each side area extends in a vertical direction; at least one inner layer shield is arranged on the inner side of the outer layer shield, and the inner layer shield is integrally formed and made of soft material The inner shield is folded back and forth to form several mountain-shaped creases and several valley-shaped creases arranged alternately. The shaped creases define a number of retractable and foldable concave folds, the concave folds respectively corresponding to the shielding parts, each of the recessed folds has a shielding area located below the respective shielding area, and two respectively The inner folding areas located on the left and right sides of the shielding area, each inner folding area is located on the inner side of the corresponding side area, and each inner folding area is concavely folded inward to form a corresponding shielding portion for retractable folding Evasion space; and several supporting plates, which are arranged on the inner side of the inner shield along a front-to-rear direction at intervals and are respectively positioned on the mountain-shaped creases. The support plates can be close to or away from each other to drive the inner shield to link the The outer shield is telescopic and folded, wherein each inner folding area has two inclined surfaces extending outward and downward from the respective shielding area and connected obliquely to each other, and two inclined surfaces facing each other. The connecting face portions extending downward and connected obliquely opposite each other have an outer edge and an inner edge arranged in opposite directions, and each outer edge is used to be embedded in the corresponding mountain-shaped crease. The multi-faceted multi-layer telescopic shield device according to claim 1, wherein each inner folding area further has two inner folding surfaces respectively extending inward from the connecting surfaces and obliquely connected to each other. The multi-faceted multilayer telescopic shield device according to claim 2, wherein each shielding portion further has two covering areas extending inward from the side areas, and the covering areas are used to cover the The inner folded surfaces of the inner shield. The multi-faceted multi-layer telescopic shield device according to claim 1, wherein each mountain-shaped fold has a mountain fold line section extending along the left and right direction and adjacent to two shielding areas, and two left and right sides respectively formed by the mountain fold line section. An oblique fold line segment extending outwards and downwards, and two longitudinal fold line segments extending downward from the oblique fold line segments respectively, and the outer edge of each support plate has two chamfered segments located at the oblique fold line segments, respectively . The multi-faceted multilayer telescopic shield device according to claim 4, wherein the inner edge of each support plate has a sliding section extending in the left and right direction, and the position of each sliding section in the up and down direction is lower than The respective chamfer section. The multi-faceted multi-layer telescopic shield device according to claim 1, further comprising several scales, the scales overlap each other in the forward and backward direction and are arranged on the outer shield opposite to the inner shield, and the scales can With the expansion and contraction of the outer shield, it expands or overlaps. The multi-faceted multi-layer telescopic shield device according to claim 1, wherein each shielding portion further has two shielding areas and the side edges respectively connected to each shielding portion The junction area of the district. The multi-faceted multi-layer telescopic shield device according to claim 1, wherein the multi-faceted multi-layer telescopic shield device includes a plurality of the inner layer shields.

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