Rotary power unit anti-toppling support

Abstract

The utility model relates to an anti-toppling support of a rotary power unit, which comprises a unit base, a left rotary support and a right rotary support, the left rotary support and the right rotary support are respectively composed of a swing arm part and a support leg part, and the end part of the swing arm part is hinged on a rotary shaft; a reset spring is arranged on the rotating shaft between the horizontal folding edge and the swing arm part; the device is characterized in that a left limiting clamping groove and a right limiting clamping groove are formed in the two side plates respectively, a pressing rivet nut is arranged at the inner end of the left rotating support, a pressing rivet captive screw is arranged at the outer end of the right rotating support, and after the left rotating support and the right rotating support are unfolded, the lowest end of the swing arm part and the lowest end of the unit base are located in the same plane. According to the anti-toppling support for the rotary power unit, the unfolded left and right rotary supports are in contact with the ground for supporting, so that the supporting range of the power unit base in the width direction is expanded, the situation that the vertically placed power unit topples can be effectively avoided, the power unit is effectively protected, and personnel are prevented from being injured.

Description

Technical Field

[0001] The utility model relates to an anti-dumping bracket, and more specifically, to a rotary power unit anti-dumping bracket. Background Art

[0002] The power units installed in engineering drive series inverters often adopt a book-style design. These units are tall and slender, allowing for a smaller overall size when assembled into a cabinet. Before the inverter is assembled into a cabinet, the power units are typically placed vertically for easy movement and assembly. However, due to their slender shape, the center of gravity is high, creating a risk of the power unit tipping over on uneven surfaces or due to accidental contact, potentially causing equipment damage and personal injury.

[0003] The key to solving the problem of the power unit easily tipping over when placed vertically is to increase its lateral support capacity while ensuring that the existing power unit housing base size does not increase. Therefore, the present invention proposes a rotating anti-tip bracket to solve the problem of the power unit easily tipping over when placed vertically. Summary of the Invention

[0004] In order to overcome the disadvantages of the above technical problems, the utility model provides a rotary power unit anti-dumping bracket.

[0005] The utility model discloses a rotating power unit anti-dumping bracket, comprising a unit base, a left-rotating bracket and a right-rotating bracket, wherein the left-rotating bracket and the right-rotating bracket are hinged to both sides of the unit base via a rotating shaft; the unit base comprises a bottom plate and two side plates, the ends of the side plates are provided with horizontal folding edges, and the two ends of the rotating shaft are fixed to the bottom plate and the horizontal folding edges; the left-rotating bracket and the right-rotating bracket are both composed of a swing arm portion and a support leg portion, and the end of the swing arm portion is hinged to the rotating shaft; a reset spring is provided on the rotating shaft between the horizontal folding edge and the swing arm portion, and the reset spring has a constant The tendency of the upper pressure swing arm; it is characterized in that: the ends of the two side plates are respectively provided with a left limit slot and a right limit slot for accommodating the unfolded left rotating bracket and the right rotating bracket, the inner end of the left rotating bracket is provided with a pressure rivet nut, and the outer end of the right rotating bracket is provided with a pressure riveted screw that matches the pressure riveted nut, and the folded left rotating bracket and the right rotating bracket are fixed by the threaded connection of the pressure riveted screw and the pressure riveted nut; after the left rotating bracket and the right rotating bracket are unfolded, the lowest end of the swing arm and the lowest end of the unit base are in the same plane.

[0006] The utility model provides a rotary power unit anti-dumping bracket, wherein the upper side and the lower side of the swing arm portion of the left rotating bracket are respectively provided with an inward upper bending portion and a lower bending portion, and the upper side of the swing arm portion of the right rotating bracket is provided with an inward upper bending portion and the lower side is provided with an outward lower bending portion; the lower ends of the swing arms of the left rotating bracket and the right rotating bracket are both provided with an inward lower bending portion.

[0007] The utility model provides a rotary power unit anti-dumping bracket, wherein a left limiting gasket is provided on the rotating shaft between the left rotating bracket and the base plate, and a right limiting gasket is provided on the rotating shaft between the right rotating bracket and the base plate. The thickness of the left limiting gasket is greater than that of the right limiting gasket, and the difference between the thickness of the left limiting gasket and the thickness of the right limiting gasket is greater than the thickness of the upper bending portion.

[0008] In the utility model of the rotary power unit anti-dumping bracket, the outer ends of the upper edges of the left limiting slot and the right limiting slot are both provided with downward limiting protrusions.

[0009] The utility model discloses a rotary power unit anti-dumping bracket, wherein the bottom plate and the horizontal folding edge are both provided with circular holes through which the ends of the rotating shaft pass, and both ends of the rotating shaft are provided with card slots, and the bottom plate and the rotating shaft outside the horizontal folding edge are both provided with retaining springs that are engaged in the card slots.

[0010] The beneficial effects of the present invention are as follows: the rotatable power unit anti-tilt bracket of the present invention has left and right rotatable brackets hingedly connected on both sides of one end of the unit base via a rotating shaft, and left and right limit slots for accommodating the unfolded left and right rotatable brackets are provided on the side panels of the unit base, and the left and right rotatable brackets are provided with rivet nuts and captive rivet screws for fixing them together after folding; in this way, when the power unit needs to be placed upright on the ground, the captive rivet screws are first unscrewed from the rivet nuts, and then the left and right rotatable brackets are rotated into the left and right limit slots, and the support range in the width direction of the power unit base is expanded by relying on the contact support between the unfolded left and right rotatable brackets and the ground, which can effectively prevent the upright power unit from tipping over due to uneven ground or human touch, thereby achieving effective protection of the power unit and preventing personnel from being injured.

[0011] When the power unit needs to be installed in the cabinet, the left and right rotating brackets are folded inward and fixed together by self-riveting captive screws and self-riveting nuts, which does not increase the size of the unit base and is conducive to the miniaturization of the power unit cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of the rotary power unit anti-dumping bracket of the utility model;

[0013] Figure 2 、 Figure 3 They are all three-dimensional views of the rotary power unit anti-dumping bracket of the present invention;

[0014] Figure 4 for Figure 3 A partial enlarged view of area A in the middle;

[0015] Figure 5This is a front view of the anti-dumping bracket of the rotary power unit of the utility model after it is unfolded;

[0016] Figure 6 This is a left side view of the anti-dumping bracket of the rotary power unit of the utility model after it is unfolded;

[0017] Figure 7 This is a top view of the anti-dumping bracket of the rotary power unit of the utility model after it is unfolded;

[0018] Figure 8 、 Figure 9 All of them are three-dimensional views of the rotary power unit anti-dumping bracket of the present invention after being unfolded.

[0019] In the figure: 1 unit base, 2 left rotating bracket, 3 right rotating bracket, 4 rotating shaft, 5 bottom plate, 6 side plate, 7 horizontal folding edge, 8 return spring, 9 left limiting gasket, 10 right limiting gasket, 11 left limiting slot, 12 right limiting slot, 13 swing arm part, 14 support leg part, 15 self-clinching screw, 16 self-clinching nut, 17 limiting protrusion, 18 retaining spring, 19 upper bending part, 20 lower bending part, 21 roller. DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] like Figure 1 As shown, a front view of the rotary power unit anti-dumping bracket of the utility model is given. Figure 2 and Figure 3 Its stereogram is given, Figure 4 Given Figure 3 A partial enlarged view of area A in the middle. Figure 5 、 Figure 6 and Figure 7 The front view, left view and top view of the anti-dumping bracket of the rotary power unit of the utility model after unfolding are respectively given. Figure 8 and Figure 9 A three-dimensional diagram shows a rotating power unit anti-tip bracket consisting of a unit base 1, a left-rotating bracket 2, and a right-rotating bracket 3. The unit base 1 serves as the base of the power unit housing, supporting the power unit. The left-rotating bracket 2 and the right-rotating bracket 3 are hinged to the left and right ends of the unit base 1 via a rotating shaft 4. The unit base 1 consists of a bottom plate 5 and side plates 6 fixed to either side of the bottom plate 5. The ends of each side plate 6 are provided with inward-folded horizontal hems 7. The rotating shaft 4 is arranged vertically, with its ends fixed to the horizontal hems 7 and the bottom plate 5.

[0022] The left-hand rotating bracket 2 and the right-hand rotating bracket 3 are each composed of a swing arm 13 and a leg 14. The swing arm 13 is arranged horizontally, and the leg 14 is vertical. The leg 14 is located at the outer end of the swing arm 13, and the inner end of the swing arm 13 is hinged to the rotating shaft 4. A return spring 8 is provided on the rotating shaft 4 between the horizontal fold 7 and the swing arm 13. The return spring 8 has a constant tendency to drive the swing arm 13 upward, that is, the return spring 8 is always in a compressed state. Thus, under the action of the return spring 8, the left-hand rotating bracket 2 and the right-hand rotating bracket 3 are always in a state of moving upward and closer to the base plate 5.

[0023] The ends of the two side plates 6 are respectively provided with a left limit slot 11 and a right limit slot 12, which respectively accommodate the swing arm portions 13 of the left rotating bracket 2 and the right rotating bracket 3 after they are rotated and unfolded. A captive screw 15 is fixed to the outer end of the right rotating bracket 3, and a rivet nut 16 is provided at the inner end of the left rotating bracket 2 to cooperate with the captive screw 15. When the left rotating bracket 2 and the right rotating bracket 3 are folded together, the captive screw 15 is tightened on the rivet nut 16 to achieve a secure connection between the folded left rotating bracket 2 and the right rotating bracket 3, thereby preventing them from rotating accidentally.

[0024] It can be seen that the left-rotating bracket 2 and the right-rotating bracket 3 are rotated and respectively inserted into the left limit slot 11 and the right limit slot 12, and the support legs 14 of the left-rotating bracket 2 and the right-rotating bracket 3 are in contact with the ground to achieve auxiliary support for the unit base 1. This can increase the load-bearing capacity of the unit base 1 in the lateral direction (i.e., the width direction), effectively preventing the power unit from tipping over when placed upright, thereby protecting the power unit and avoiding damage to personnel. When the power unit needs to be placed in the cabinet, the left-rotating bracket 2 is first folded up, and then the right-rotating bracket 3 is rotated and folded, and the self-clinching screw 15 is tightened onto the self-clinching nut 16, so as to achieve a fixed connection between the left-rotating bracket 2 and the right-rotating bracket 3 and prevent it from rotating accidentally.

[0025] The upper and lower sides of the swing arm portion 13 of the left rotating bracket 2 are respectively provided with an inward upper bending portion 19 and a lower bending portion 20, and the upper side of the swing arm portion 13 of the right rotating bracket 3 is provided with an inward upper bending portion 19 and an outward lower bending portion 20 on the lower side. The upper bending portion 19 and the lower bending portion 20 can effectively increase the bending resistance of the swing arm portion 13, ensuring that the left rotating bracket 2 and the right rotating bracket 3 have sufficient strength.

[0026] The lower end of the support leg 14 is provided with a horizontal lower bending portion 20. When the left rotating bracket 2 and the right rotating bracket 3 are rotated and unfolded, the lower bending portion 20 at the lower end of the support leg 14 and the lower end of the roller 21 provided on the side panel 6 are in the same plane. In this way, the lower bending portion 20 at the lower end of the support leg 14 is in contact with the ground to achieve lateral support for the unit base 1, ensuring that the unit base 1 has good anti-dumping ability.

[0027] Due to the limited space at the bottom of the unit base 1, when the left rotating bracket 2 and the right rotating bracket 3 are folded together, it is necessary to ensure that they are close together, which is also conducive to the connection between the rivet screw 15 and the rivet nut 16. Therefore, it is necessary to stagger the left rotating bracket 2 and the right rotating bracket 3. This staggering is achieved by the left limit gasket 9 and the right limit gasket 10. As shown, a left limiting gasket 9 is provided on the rotating shaft 4 between the left rotating bracket 2 and the base plate 5, and a right limiting gasket 10 is provided on the rotating shaft 4 between the right rotating bracket 3 and the base plate 5. The thickness of the left limiting gasket 9 is greater than the thickness of the right limiting gasket 10, and the difference between the thickness of the left limiting gasket 9 and the thickness of the right limiting gasket 10 is greater than the thickness of the upper bending portion 19. In this way, when the left and right rotating brackets are rotated and folded, due to the thin thickness of the right limiting gasket 10, the upper bending portion 19 on the right rotating bracket 3 will be higher than the height of the upper bending portion 19 on the left rotating bracket 2 and staggered, so that the left rotating bracket 2 can be tightly attached to the right rotating bracket 3.

[0028] After the left-hand rotating bracket 2 and the right-hand rotating bracket 3 are respectively inserted into the left limiting slot 11 and the right limiting slot 12, in order to prevent them from accidentally falling out, the outer ends of the upper edges of the left limiting slot 11 and the right limiting slot 12 are provided with downward limiting protrusions 17. Only when the operator presses down the left-hand rotating bracket 2 or the right-hand rotating bracket 3 can the swing arm 13 pass over the limiting protrusions 17 and the left-hand rotating bracket 2 and the right-hand rotating bracket 3 be folded. The two ends of the rotating shaft 4 are fixed by the retaining springs 18. The horizontal folding edge 7 and the bottom plate 5 above it are provided with circular holes. The two ends of the rotating shaft 4 pass through the circular holes on the bottom plate 5 and the horizontal folding edge 7. The exiting portion of the rotating shaft 4 is provided with a retaining slot, and the retaining springs 18 are inserted into the retaining slot. In this way, the rotating shaft 4 is fixed to the horizontal folding edge 7 and the bottom plate 5.

[0029] The steps for unfolding the anti-dumping bracket of the rotary power unit of the present invention are as follows: first, loosen the self-riveting screw 15, open the right rotating bracket 3 90 degrees along the rotating axis 4, press down the right rotating bracket 3 to squeeze the reset spring 8, so that the upper edge of the upper bent portion 19 of the right rotating bracket 3 is flush with the lower edge of the limiting protrusion 17, and continue to rotate the right rotating bracket 3 90 degrees into the right limiting slot 12; then open the left rotating bracket 2 90 degrees along the rotating axis 4, press down the left rotating bracket 2 to squeeze the reset spring 4, so that the upper edge of the upper bent portion 19 of the left rotating bracket 2 is flush with the lower edge of the limiting protrusion 17, and continue to rotate the left rotating bracket 2 90 degrees into the left limiting slot 11.

[0030] The closing steps of the rotary power unit anti-dumping bracket of the present invention are as follows: first, press down and rotate the left rotary bracket 2, remove the left rotary bracket 2 from the left limit slot 11 of the unit base 1, rotate it 180°, retract the left rotary bracket 2, press down the right rotary bracket 3 and remove it from the right limit slot 12, rotate it 180° and retract it, tighten the self-clinching screws 15 to fix the left rotary bracket 2 and the right rotary bracket 3.

Claims

1. A rotating power unit anti-tilt bracket, comprising a unit base (1), a left-rotating bracket (2) and a right-rotating bracket (3), wherein the left-rotating bracket and the right-rotating bracket are hinged to both sides of the unit base via a rotating shaft (4); the unit base comprises a bottom plate (5) and two side plates (6), the ends of the side plates are provided with horizontal folding edges (7), and the two ends of the rotating shaft are fixed to the bottom plate and the horizontal folding edges; the left-rotating bracket and the right-rotating bracket are both composed of a swing arm portion (13) and a leg portion (14), and the ends of the swing arm portion are hinged to the rotating shaft; a return spring (8) is provided on the rotating shaft between the horizontal folding edge and the swing arm portion, and the return spring has a tendency to always press the swing arm portion upward; the characteristics are: The ends of the two side plates are respectively provided with a left limit slot (11) and a right limit slot (12) for accommodating the unfolded left rotating bracket and the right rotating bracket. The inner end of the left rotating bracket is provided with a pressure riveting nut (16), and the outer end of the right rotating bracket is provided with a pressure riveting screw (15) that matches the pressure riveting nut. The folded left rotating bracket and the right rotating bracket are fixed by the threaded connection of the pressure riveting screw and the pressure riveting nut. After the left rotating bracket and the right rotating bracket are unfolded, the lowest end of the swing arm portion and the lowest end of the unit base are in the same plane.

2. The anti-dumping bracket for a rotary power unit according to claim 1, characterized in that: The upper side and lower side of the swing arm portion (13) of the left-rotating bracket (2) are respectively provided with an inwardly facing upper bending portion (19) and a lower bending portion (20), and the upper side of the swing arm portion of the right-rotating bracket is provided with an inwardly facing upper bending portion and the lower side is provided with an outwardly facing lower bending portion; the lower ends of the swing arms of the left-rotating bracket and the right-rotating bracket are both provided with an inwardly facing lower bending portion.

3. The anti-dumping bracket for a rotary power unit according to claim 2, characterized in that: A left limiting gasket (9) is provided on the rotating shaft (4) between the left rotating bracket (2) and the bottom plate (5), and a right limiting gasket (10) is provided on the rotating shaft between the right rotating bracket (3) and the bottom plate. The thickness of the left limiting gasket is greater than that of the right limiting gasket, and the difference between the thickness of the left limiting gasket and the thickness of the right limiting gasket is greater than the thickness of the upper bending portion (19).

4. The anti-dumping bracket for a rotary power unit according to claim 1 or 2, characterized in that: The outer ends of the upper edges of the left limiting slot (11) and the right limiting slot (12) are both provided with downward limiting protrusions (17).

5. The anti-dumping bracket for a rotary power unit according to claim 1 or 2, characterized in that: The bottom plate (5) and the horizontal fold (7) are both provided with circular holes through which the ends of the rotating shaft (4) pass, and both ends of the rotating shaft are provided with clamping grooves. The bottom plate and the rotating shaft outside the horizontal fold are both provided with clamping springs (18) that are clamped into the clamping grooves.

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