Protective shields and machinery

Abstract

This invention discloses a protective cover and a machine device. The protective cover includes: a cover body; a protective door movably mounted on the cover body; and a buffer mechanism connected between the cover body and the protective door to slow down the movement speed of the protective door. The protective door is movable relative to the cover body in a vertical direction between an open position and a closed position to open and close the cover body. In this invention, the protective door of the protective cover can move up and down in a vertical direction, allowing the protective cover to be fully opened, making it very convenient for operators to enter and exit the protective cover.

Description

Technical Field

[0001] The present invention relates to a protective cover and a machine device including the protective cover. Background Technology

[0002] In the prior art, machinery typically has various electrical actuators or moving parts. During operation, these actuators or moving parts can pose a danger to workers. For example, a worker's clothing or hair can become entangled in the rotating cutter head of a machine tool. For safety, machinery is usually equipped with a protective cover, which houses the various electrical actuators or moving parts.

[0003] To facilitate access to and from the protective shield, a protective door needs to be installed on it for opening and closing. However, existing protective doors generally can only move left and right horizontally, which prevents the shield from being fully opened and hinders the entry and exit of operators. Summary of the Invention

[0004] The purpose of this invention is to solve at least one aspect of the aforementioned problems and defects existing in the prior art.

[0005] According to one aspect of the present invention, a protective cover is provided, comprising: a cover body; a protective door movably mounted on the cover body; and a buffer mechanism connected between the cover body and the protective door for slowing down the movement speed of the protective door. The protective door is movable relative to the cover body in a vertical direction between an open position and a closed position to open and close the cover body.

[0006] According to an exemplary embodiment of the present invention, the buffer mechanism includes: a connecting rod, one end of which is rotatably connected to the cover; a gas spring, including a cylinder and a piston rod; a first roller, mounted on the other end of the connecting rod and freely rotatable; and a connecting belt, both ends of which are respectively connected to the cover and the protective door, the end of the cylinder being rotatably connected to the cover, the end of the piston rod being rotatably connected to a portion between the two ends of the connecting rod, and the connecting belt passing through the first roller.

[0007] According to another exemplary embodiment of the present invention, the connecting strip includes a first connecting strip and a second connecting strip arranged adjacent to each other, one end of the first connecting strip and the second connecting strip being connected to the same position on the cover, and the other ends of the first connecting strip and the second connecting strip being connected to both sides of the protective door in the width direction, respectively.

[0008] According to another exemplary embodiment of the present invention, the buffer mechanism further includes: a second roller, mounted on the cover and freely rotatable; and a third roller, mounted on the cover and freely rotatable, the connecting belt passing through the second roller and the third roller.

[0009] According to another exemplary embodiment of the present invention, the buffer mechanism further includes: a fourth roller mounted on the cover and freely rotatable; a fifth roller mounted on the cover and freely rotatable; and a sixth roller mounted on the protective door and freely rotatable, wherein the first connecting belt passes through the fourth roller, the fifth roller, and the sixth roller.

[0010] According to another exemplary embodiment of the present invention, the buffer mechanism further includes: a seventh roller, mounted on the cover and freely rotatable; an eighth roller, mounted on the cover and freely rotatable; and a ninth roller, mounted on the protective door and freely rotatable, wherein the second connecting belt passes through the seventh roller, the eighth roller, and the ninth roller.

[0011] According to another exemplary embodiment of the present invention, the first roller, the second roller, the third roller, the fourth roller, the fifth roller, the seventh roller and the eighth roller are respectively installed at different positions on the cover; the sixth roller and the ninth roller are respectively installed on both sides of the protective door in the width direction.

[0012] According to another exemplary embodiment of the present invention, the rotation axes of the first roller, the second roller, the third roller, the fourth roller and the seventh roller extend along the height direction of the protective door; the rotation axes of the fifth roller, the sixth roller, the eighth roller and the ninth roller extend along the width direction of the protective door.

[0013] According to another exemplary embodiment of the present invention, the buffer mechanism further includes: a first connector for simultaneously connecting one end of the first connecting strap and one end of the second connecting strap to the cover; a second connector for connecting the other end of the first connecting strap to one side of the cover in the width direction; and a third connector for connecting the other end of the second connecting strap to the other side of the cover in the width direction.

[0014] According to another exemplary embodiment of the present invention, the cover includes a top frame comprising a first frame perpendicular to the protective door and a second frame parallel to the protective door; the connecting rod, the gas spring, the first connector, the second roller, the fourth roller, and the fifth roller are connected to or mounted on a first frame; the seventh roller and the eighth roller are mounted on another first frame spaced a predetermined distance from the first frame; and the third roller is mounted on the second frame at a position between the first frame and the other first frame.

[0015] According to another exemplary embodiment of the present invention, the second connector and the third connector are disposed at the lower end of the protective door, and the sixth roller and the ninth roller are respectively located above the second connector and the third connector.

[0016] According to another exemplary embodiment of the invention, a handle is provided on the outside of the protective door, thereby enabling the protective door to be opened and closed by operating the handle.

[0017] According to another exemplary embodiment of the present invention, at least one of the first connecting belt and the second connecting belt is a toothed belt.

[0018] According to another exemplary embodiment of the invention, the protective door is capable of moving upward relative to the cover to an open position and is capable of moving downward relative to the cover to a closed position.

[0019] According to another exemplary embodiment of the present invention, during the process of opening the protective door upwards, the piston rod of the gas spring gradually extends outwards to drive the connecting rod to rotate away from the gas spring; during the process of closing the protective door downwards, the connecting belt pulls the connecting rod to rotate closer to the gas spring to drive the piston rod of the gas spring to gradually retract inwards.

[0020] According to another aspect of the present invention, a machine device is provided, comprising: the aforementioned protective cover; and an electric device or moving part, housed within the protective cover.

[0021] According to an exemplary embodiment of the present invention, the machine further includes a human-machine interface device slidably connected to the top of the front side of the protective cover; the human-machine interface device is movable left and right along the width direction of the protective door of the protective cover, so that it can be moved to a position that does not interfere with the operator's entry and exit from the protective cover.

[0022] According to another exemplary embodiment of the present invention, the human-computer interaction device includes an L-shaped connecting arm, one end of which is slidably connected to the top of the front side of the protective cover; the human-computer interaction device is suspended in front of the protective door so as not to interfere with the opening and closing of the protective door.

[0023] In the aforementioned exemplary embodiments of the present invention, the protective door of the protective cover can move up and down in the vertical direction, so that the protective cover can be fully opened, making it very convenient for operators to enter and exit the protective cover.

[0024] Other objects and advantages of the invention will become apparent from the following description of the invention with reference to the accompanying drawings, and will help to provide a comprehensive understanding of the invention. Attached Figure Description

[0025] Figure 1 A perspective view of a protective shield according to an exemplary embodiment of the present invention is shown;

[0026] Figure 2 A perspective view showing a protective door and a buffer mechanism of a protective cover according to an exemplary embodiment of the present invention;

[0027] Figure 3 show Figure 2 The diagram shows a partially enlarged view of the buffer mechanism, with only the first connecting strip shown.

[0028] Figure 4 show Figure 2 A partially enlarged schematic diagram of one side of the protective door shown;

[0029] Figure 5 show Figure 2 The diagram shows a partially enlarged view of the buffer mechanism, with only the second connecting strip shown.

[0030] Figure 6 show Figure 2 A partially enlarged schematic diagram of the other side of the protective door shown;

[0031] Figure 7 show Figure 2 The schematic diagram of the buffer mechanism is shown, with the protective door in the open position;

[0032] Figure 8 show Figure 2 The schematic diagram of the buffer mechanism is shown, with the protective door in the closed position;

[0033] Figure 9 A perspective view of a protective cover according to an exemplary embodiment of the present invention is shown, in which a human-computer interaction device is shown. Detailed Implementation

[0034] The technical solution of the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. In this specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation thereof.

[0035] Furthermore, in the following detailed description, numerous specific details are set forth for ease of explanation to provide a thorough understanding of the embodiments disclosed herein. However, it will be apparent that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and apparatuses are illustrated to simplify the figures.

[0036] According to a general technical concept of the present invention, a protective cover is provided, comprising: a cover body; a protective door movably mounted on the cover body; and a buffer mechanism connected between the cover body and the protective door for slowing down the movement speed of the protective door. The protective door is movable relative to the cover body in a vertical direction between an open position and a closed position to open and close the cover body.

[0037] Figure 1 A perspective view of a protective shield according to an exemplary embodiment of the present invention is shown; Figure 2 A perspective view showing the protective door and buffer mechanism of a protective cover according to an exemplary embodiment of the present invention.

[0038] like Figure 1 and Figure 2 As shown in the illustrated embodiment, the protective cover mainly includes: a cover body (or housing) 10, a protective door 20, and a buffer mechanism 100. The protective door 20 is movably mounted on the cover body 10. The buffer mechanism 100 is connected between the cover body 10 and the protective door 20 to slow down the movement speed of the protective door 20. The protective door 20 can move vertically relative to the cover body 10 between an open position and a closed position to open and close the cover body 10. In an exemplary embodiment of the invention, the protective door 20 can be slidably mounted on the cover body 10 via a slide rail, allowing the protective door 20 to slide vertically up and down relative to the cover body 10.

[0039] Figure 3 show Figure 2 The diagram shows a partially enlarged view of the buffer mechanism 100, showing only the first connecting strip 130A; Figure 5 show Figure 2 The diagram shows a partially enlarged view of the buffer mechanism 100, showing only the second connecting band 130B.

[0040] like Figure 1-3 and Figure 5 As shown in the illustrated embodiment, the buffer mechanism 100 includes: a connecting rod 110, a gas spring 120, a first roller 101, and connecting belts 130A and 130B. One end of the connecting rod 110 is rotatably connected to the cover 10. The gas spring 120 includes a cylinder 121 and a piston rod 122. The first roller 101 is mounted on the other end of the connecting rod 110 and is freely rotatable. The two ends of the connecting belts 130A and 130B are respectively connected to the cover 10 and the protective door 20.

[0041] like Figure 1-3 and Figure 5 As shown, in the illustrated embodiment, the end of the cylinder 121 is rotatably connected to the cover 10, the end of the piston rod 122 is rotatably connected to a portion between the two ends of the connecting rod 110, and the connecting belts 130A and 130B pass through the first roller 101.

[0042] Figure 4 show Figure 2 A partially enlarged schematic diagram of one side of the protective door 20 shown; Figure 6 show Figure 2 A partially enlarged schematic diagram of the other side of the protective door 20 shown.

[0043] like Figures 1 to 6 As shown in the illustrated embodiment, the connecting straps 130A and 130B include a first connecting strap 130A and a second connecting strap 130B arranged vertically adjacent to each other. One end of the first connecting strap 130A and the second connecting strap 130B is connected to the same position on the cover 10, and the other end of the first connecting strap 130A and the second connecting strap 130B is respectively connected to both sides in the width direction of the protective door 20.

[0044] like Figures 1 to 6 As shown in the illustrated embodiment, the buffer mechanism 100 further includes a second roller 102 and a third roller 103. The second roller 102 is mounted on the cover 10 and can rotate freely. The third roller 103 is mounted on the cover 10 and can rotate freely. Connecting belts 130A and 130B pass through the second roller 102 and the third roller 103.

[0045] like Figures 1 to 6 As shown in the illustrated embodiment, the buffer mechanism 100 further includes a fourth roller 104, a fifth roller 105, and a sixth roller 106. The fourth roller 104 is mounted on the cover 10 and is freely rotatable. The fifth roller 105 is mounted on the cover 10 and is freely rotatable. The sixth roller 106 is mounted on the protective door 20 and is freely rotatable. The first connecting belt 130A passes through the fourth roller 104, the fifth roller 105, and the sixth roller 106.

[0046] like Figures 1 to 6As shown in the illustrated embodiment, the buffer mechanism 100 further includes a seventh roller 107, an eighth roller 108, and a ninth roller 109. The seventh roller 107 is mounted on the cover 10 and is freely rotatable. The eighth roller 108 is mounted on the cover 10 and is freely rotatable. The ninth roller 109 is mounted on the protective door 20 and is freely rotatable. The second connecting belt 130B passes through the seventh roller 107, the eighth roller 108, and the ninth roller 109.

[0047] like Figures 1 to 6 As shown in the illustrated embodiment, the first roller 101, the second roller 102, the third roller 103, the fourth roller 104, the fifth roller 105, the seventh roller 107, and the eighth roller 108 are respectively installed at different positions on the cover 10. The sixth roller 106 and the ninth roller 109 are respectively installed on both sides of the protective door 20 in the width direction.

[0048] like Figures 1 to 6 As shown in the illustrated embodiment, the rotation axes of the first roller 101, the second roller 102, the third roller 103, the fourth roller 104, and the seventh roller 107 extend along the height direction of the protective door 20. The rotation axes of the fifth roller 105, the sixth roller 106, the eighth roller 108, and the ninth roller 109 extend along the width direction of the protective door 20.

[0049] like Figures 1 to 6 As shown in the illustrated embodiment, the buffer mechanism 100 further includes a first connector 131, a second connector 132, and a third connector 133. The first connector 131 is used to simultaneously connect one end of the first connecting strap 130A and the second connecting strap 130B to the cover 10. The second connector 132 is used to connect the other end of the first connecting strap 130A to one side of the cover 10 in the width direction. The third connector 133 is used to connect the other end of the second connecting strap 130B to the other side of the cover 10 in the width direction.

[0050] like Figures 1 to 6 As shown in the illustrated embodiment, the enclosure 10 includes a top frame 11. The top frame 11 includes first frames 11a and 11b perpendicular to the protective door 20 and a second frame 11c parallel to the protective door 20. A connecting rod 110, a gas spring 120, a first connector 131, a second roller 102, a fourth roller 104, and a fifth roller 105 are connected to or mounted on a first frame 11a. A seventh roller 107 and an eighth roller 108 are mounted on another first frame 11b spaced a predetermined distance from one first frame 11a. A third roller 103 is mounted on the second frame 11c at a position between one first frame 11a and the other first frame 11b.

[0051] like Figures 1 to 6As shown in the illustrated embodiment, the second connector 132 and the third connector 133 are disposed at the lower end of the protective door 20, and the sixth roller 106 and the ninth roller 109 are respectively located above the second connector 132 and the third connector 133.

[0052] like Figures 1 to 6 As shown in the illustrated embodiment, a handle 21 is provided on the outside of the protective door 20, so that the protective door 20 can be opened and closed by operating the handle 21.

[0053] like Figures 1 to 6 As shown in the illustrated embodiment, at least one of the first connecting belt 130A and the second connecting belt 130B is a toothed belt.

[0054] like Figures 1 to 6 As shown in the illustrated embodiment, the protective door 20 can be moved upward relative to the cover 10 to an open position and downward relative to the cover 10 to a closed position.

[0055] Figure 7 show Figure 2 The schematic diagram of the buffer mechanism 100 shown is shown, in which the protective door 20 is in the open position; Figure 8 show Figure 2 The schematic diagram of the buffer mechanism 100 shown shows the protective door 20 in the closed position.

[0056] like Figure 7 As shown in the illustrated embodiment, during the upward opening of the protective door 20, the piston rod 122 of the gas spring 120 gradually extends outward to drive the connecting rod 110 to rotate away from the gas spring 120.

[0057] like Figure 8 As shown in the illustrated embodiment, during the process of closing the protective door 20 downwards, the connecting straps 130A and 130B pull the connecting rod 110 to rotate towards the gas spring 120, thereby driving the piston rod 122 of the gas spring 120 to gradually retract inwards.

[0058] In one exemplary embodiment of the invention, a machine is also disclosed, comprising the aforementioned protective cover and an electric actuator or moving part. The electric actuator or moving part is housed within the protective cover. Thus, during machine operation, workers will not come into contact with the electric actuator or moving part, ensuring worker safety.

[0059] Figure 9 A perspective view of a protective cover according to an exemplary embodiment of the present invention is shown, wherein a human-computer interaction device 30 is shown.

[0060] like Figure 9As shown in the illustrated embodiment, the machine also includes a human-machine interface device 30, which is slidably connected to the top of the front side of the protective cover 10. The human-machine interface device 30 is movable left and right along the width direction of the protective door 20 of the protective cover, so that it can be moved to a position that does not interfere with the operator's entry and exit from the protective cover.

[0061] like Figure 9 As shown in the illustrated embodiment, the human-computer interaction device 30 includes an L-shaped connecting arm 31, one end of which is slidably connected to the top of the front side of the protective cover 10. The human-computer interaction device 30 is suspended in front of the protective door 20 so as not to interfere with the opening and closing of the protective door 20.

[0062] Those skilled in the art will understand that the embodiments described above are exemplary and can be improved upon. The structures described in the various embodiments can be freely combined without causing structural or principle conflicts, and these changes should fall within the protection scope of this invention.

[0063] Although the invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to illustrate preferred embodiments of the invention and should not be construed as limiting the invention.

[0064] While some embodiments of the general concept of the invention have been shown and described, those skilled in the art will understand that changes may be made to these embodiments without departing from the principles and spirit of the general concept of the invention, the scope of which is defined by the claims and their equivalents.

[0065] It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude multiple elements. Furthermore, any reference numerals in the claims should not be construed as limiting the scope of the invention.

Claims

1. A protective cover, characterized in that, include: Cover (10); A protective door (20) is movably mounted on the cover (10); and A buffer mechanism (100), connected between the cover (10) and the protective door (20), is used to slow down the movement speed of the protective door (20). Its characteristics are: The protective door (20) is movable vertically between an open position and a closed position relative to the cover (10) to open and close the cover (10). The buffer mechanism (100) includes: A connecting rod (110) is rotatably connected at one end to the cover (10); A gas spring (120) includes a cylinder (121) and a piston rod (122); The first roller (101) is mounted on the other end of the connecting rod (110) and can rotate freely; and Connecting straps (130A, 130B) are attached at both ends to the cover (10) and the protective door (20), respectively. The end of the cylinder (121) is rotatably connected to the cover (10), the end of the piston rod (122) is rotatably connected to a portion between the two ends of the connecting rod (110), and the connecting belts (130A, 130B) pass through the first roller (101).

2. The protective cover according to claim 1, characterized in that: The connecting strips (130A, 130B) include a first connecting strip (130A) and a second connecting strip (130B) arranged vertically adjacent to each other. One end of the first connecting strip (130A) and the second connecting strip (130B) is connected to the same position on the cover (10), and the other end of the first connecting strip (130A) and the second connecting strip (130B) is respectively connected to both sides of the protective door (20) in the width direction.

3. The protective cover according to claim 2, characterized in that, The buffer mechanism (100) further includes: The second roller (102) is mounted on the cover (10) and can rotate freely; and The third roller (103) is installed on the cover (10) and can rotate freely. The connecting belts (130A, 130B) pass through the second roller (102) and the third roller (103).

4. The protective cover according to claim 3, characterized in that, The buffer mechanism (100) further includes: The fourth roller (104) is installed on the cover (10) and can rotate freely; The fifth roller (105) is mounted on the cover (10) and can rotate freely; and The sixth roller (106) is installed on the protective door (20) and can rotate freely. The first connecting belt (130A) passes through the fourth roller (104), the fifth roller (105) and the sixth roller (106).

5. The protective cover according to claim 4, characterized in that, The buffer mechanism (100) further includes: The seventh roller (107) is installed on the cover (10) and can rotate freely; The eighth roller (108) is mounted on the cover (10) and can rotate freely; and The ninth roller (109) is installed on the protective door (20) and can rotate freely. The second connecting belt (130B) passes through the seventh roller (107), the eighth roller (108), and the ninth roller (109).

6. The protective cover according to claim 5, characterized in that: The first roller (101), the second roller (102), the third roller (103), the fourth roller (104), the fifth roller (105), the seventh roller (107), and the eighth roller (108) are respectively installed at different positions on the cover (10); The sixth roller (106) and the ninth roller (109) are respectively installed on both sides of the protective door (20) in the width direction.

7. The protective cover according to claim 6, characterized in that: The rotation axes of the first roller (101), the second roller (102), the third roller (103), the fourth roller (104) and the seventh roller (107) extend along the height direction of the protective door (20); The rotation axes of the fifth roller (105), the sixth roller (106), the eighth roller (108), and the ninth roller (109) extend along the width direction of the protective door (20).

8. The protective cover according to claim 6, characterized in that, The buffer mechanism (100) further includes: A first connector (131) is used to simultaneously connect one end of the first connecting strap (130A) and the second connecting strap (130B) to the cover (10); A second connector (132) is used to connect the other end of the first connecting strip (130A) to one side of the cover (10) in the width direction; and The third connector (133) is used to connect the other end of the second connecting strip (130B) to the other side of the cover (10) in the width direction.

9. The protective cover according to claim 8, characterized in that: The cover (10) includes a top frame (11), which includes a first frame (11a, 11b) perpendicular to the protective door (20) and a second frame (11c) parallel to the protective door (20); The connecting rod (110), the gas spring (120), the first connector (131), the second roller (102), the fourth roller (104) and the fifth roller (105) are connected or mounted on a first frame (11a); The seventh roller (107) and the eighth roller (108) are mounted on another first frame (11b) spaced at a predetermined distance from the first frame (11a); The third roller (103) is mounted on the second frame (11c) at a position between one of the first frames (11a) and the other first frame (11b).

10. The protective cover according to claim 9, characterized in that: The second connector (132) and the third connector (133) are disposed at the lower end of the protective door (20), and the sixth roller (106) and the ninth roller (109) are respectively located above the second connector (132) and the third connector (133).

11. The protective cover according to claim 1, characterized in that: A handle (21) is provided on the outside of the protective door (20), so that the protective door (20) can be opened and closed by operating the handle (21).

12. The protective cover according to any one of claims 2-10, characterized in that: At least one of the first connecting belt (130A) and the second connecting belt (130B) is a toothed belt.

13. The protective cover according to any one of claims 1-10, characterized in that: The protective door (20) can be moved upward relative to the cover (10) to an open position and downward relative to the cover (10) to a closed position.

14. The protective cover according to claim 13, characterized in that: During the process of opening the protective door (20) upwards, the piston rod (122) of the gas spring (120) gradually extends outwards to drive the connecting rod (110) to rotate away from the gas spring (120); During the process of closing the protective door (20) downwards, the connecting straps (130A, 130B) pull the connecting rod (110) to rotate towards the gas spring (120), thereby driving the piston rod (122) of the gas spring (120) to gradually retract inwards.

15. A machine device, characterized in that, include: Protective cover according to any one of claims 1-14; and An electric device or moving part is housed within the protective cover.

16. The machine equipment according to claim 15, characterized in that: The machine equipment also includes a human-machine interaction device (30), which is slidably connected to the top of the front side of the cover (10) of the protective cover; The human-computer interaction device (30) can move left and right along the width direction of the protective door (20) of the protective cover, so that it can be moved to a position that does not interfere with the operator's entry and exit from the protective cover.

17. The machine equipment according to claim 16, characterized in that: The human-computer interaction device (30) includes an L-shaped connecting arm (31), one end of which is slidably connected to the top of the front side of the cover (10) of the protective cover; The human-computer interaction device (30) is suspended in front of the protective door (20) so as not to interfere with the opening and closing of the protective door (20).

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