Descent control device

Abstract

The utility model provides a descent control device. The descent control device comprises a rope winding wheel, a shell, a first reduction gear set, a second reduction gear set and a third reduction gear set, the first reduction gear set, the second reduction gear set and the third reduction gear set are rotationally arranged in the shell, the rope winding wheel is rotationally arranged on one side of the interior of the shell through a first rotating shaft, and a driving gear is installed on the first rotating shaft; the driving gear is meshed with the first reduction gear set, the first reduction gear set, the second reduction gear set and the third reduction gear set are sequentially meshed, a wire outlet is formed in the thickness direction of the shell, and a rope on the rope winding wheel penetrates out of the wire outlet. According to the utility model, the gear is prevented from being stuck and can bear the use of heavier people.

Description

TECHNICAL FIELD

[0001] The utility model relates to escape tool technical field especially, it relates to a kind of slow descender. BACKGROUND

[0002] Slow descender is the important tool that household in high-rise building emergency escape, it is a kind of safe and convenient, no power supply, pure mechanical escape device.

[0003] The slow descender of prior art such as patent announcement No. CN221014216U discloses a kind of slow descender, it includes shell, inner wall on shell is equipped with inner gear ring, it is equipped with sun gear and planetary gear with inner gear ring meshing in shell, the winding rope wheel is equipped on the planetary gear.The slow descender is due to the adoption of sun gear, planetary gear and sun gear fixing plate, resulting in overall thickness is slightly thick, and winding rope wheel is set in the middle, such as the weight particularly heavy can make center to move down, make the planetary gear below occlusion too tight, appear the phenomenon of tooth clashing, therefore, for the user with weight greater than 75kg, gear jamming can appear, there is certain security risk. SUMMARY

[0004] The utility model aims at providing a kind of slow descender, avoid gear jamming, and can withstand heavy weight personnel use.

[0005] The technical scheme of the utility model is: a kind of slow descender, including winding rope wheel, shell and the first reduction gear set, second reduction gear set and third reduction gear set rotating in the shell, the winding rope wheel is rotatingly arranged in the inside one side of the shell by first rotation shaft, and driving gear is installed on the first rotation shaft, the driving gear is engaged with the first reduction gear set, first reduction gear set, second reduction gear set and third reduction gear set are engaged in sequence, the thickness direction of the shell is equipped with outlet, and the rope cable on the winding rope wheel is from the outlet.

[0006] In the above scheme, winding rope wheel is arranged on one side, and three reduction gear sets engaged in sequence are arranged from the side of winding rope wheel, so that the bearing of slow descender is located at the lowermost end of shell, and reduction gear set is above it, even if the weight is heavier, gear jamming phenomenon does not appear, ensure the safety of use.

[0007] In another technical scheme, the slow descender further includes fourth reduction gear set engaged with second reduction gear set, and the fourth reduction gear set is equipped with third reduction gear set engaged therewith.

[0008] Preferably, the fourth reduction gear set includes fifth rotation shaft, third large gear and fourth small gear rotatingly arranged in the shell by the fifth rotation shaft, the fourth small gear is engaged with second reduction gear set, and the third large gear is engaged with third reduction gear set.

[0009] Preferably, the first reduction gear set comprises a second rotating shaft, a first large gear wheel and a first small gear wheel arranged in the shell and rotating through the second rotating shaft, the first small gear wheel is engaged with the driving gear, and the first large gear wheel is engaged with the second reduction gear set.

[0010] Preferably, the second reduction gear set comprises a third rotating shaft, a second large gear wheel and a second small gear wheel arranged in the shell and rotating through the third rotating shaft, the second small gear wheel is engaged with the first reduction gear set, and the second large gear wheel is engaged with the third reduction gear set.

[0011] Preferably, the third reduction gear set comprises a fourth rotating shaft and a third small gear wheel arranged in the shell and rotating through the fourth rotating shaft, and the third small gear wheel is engaged with the second reduction gear set.

[0012] Preferably, the third reduction gear set is arranged in two on the second reduction gear set.

[0013] Preferably, a roller is arranged in the shell and rotating through a sixth rotating shaft, a wire slot is arranged on the roller, the roller is located beside the winding wheel, and the wire slot is arranged adjacent to the wire outlet.

[0014] Preferably, a mounting plate for limiting the first reduction gear set, the second reduction gear set, the third reduction gear set and the winding wheel is arranged in the shell. The limitation refers to not limiting the rotating freedom degree.

[0015] Preferably, a handle is arranged at the end of the shell away from the wire outlet. The handle can also be used in combination with a hook.

[0016] Compared with the related art, the utility model has the advantages of:

[0017] I. The slow descending device arranges the winding wheel on one side and sequentially arranges three reduction gear sets beside the winding wheel, so that the bearing of the slow descending device is located at the lowermost end of the shell, and the reduction gear sets are above the slow descending device. Even if the bearing weight is heavy, the phenomenon of gear jamming does not occur, and the safety of use is ensured.

[0018] II. The slow descending device can also be used smoothly for users with a body weight greater than 75 kg, and will not cause jamming.

[0019] III. The slow descending device sequentially arranges the winding wheel and the reduction gear sets, so that the thickness of the slow descending device can be reduced, for example, by about 10 mm compared with the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure diagram of the slow descending device of the embodiment one provided by the utility model.

[0021] Figure 2 For along Figure 1 A structural diagram showing the disassembled parts;

[0022] Figure 3 for Figure 1 A side view of the exterior with one side panel removed;

[0023] Figure 4 A schematic diagram of the internal structure of the decelerator in Embodiment 2 of this utility model;

[0024] Figure 5 for Figure 4 A side view of the exterior with one side panel removed.

[0025] In the attached diagram: 1. Winding wheel; 2. Housing; 21. Cable outlet; 22. Mounting plate; 23. Handle; 3. First reduction gear set; 31. First large gear; 32. First small gear; 33. Second shaft; 4. Second reduction gear set; 41. Second large gear; 42. Second small gear; 43. Third shaft; 5. Third reduction gear set; 51. Third small gear; 52. Fourth shaft; 6. Drive gear; 7. First shaft; 8. Fourth reduction gear set; 81. Third large gear; 82. Fourth small gear; 83. Fifth shaft; 9. Roller; 91. Cable groove; 10. Sixth shaft. Detailed Implementation

[0026] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in the embodiments of the present invention can be combined with each other. For ease of description, the terms "upper," "lower," "left," and "right" appearing below only indicate that they correspond to the upper, lower, left, and right directions in the accompanying drawings and do not limit the structure.

[0027] Example 1

[0028] like Figure 1 , Figure 2 As shown, the descent device provided in this embodiment includes a rope wheel 1, a housing 2, a first reduction gear set 3, a second reduction gear set 4, a third reduction gear set 5, a drive gear 6, a first rotating shaft 7, a roller 9, and a sixth rotating shaft 10.

[0029] The outer casing 2 is a detachable long rectangular structure consisting of multiple plates connected by a spiral. One end of its length has a handle 23, and the other end has a cable outlet 21. The handle 23 can be used for hanging. The outer casing 2 contains mounting plates 22 for limiting the winding wheel 1 and each reduction gear set (e.g., ...). Figure 3 (As shown).

[0030] likeFigure 2 , Figure 3 As shown, the rope-winding wheel 1 is rotatably mounted in the housing 2 via a first rotating shaft 7. The first rotating shaft 7 passes through the mounting plate 22. A drive gear 6 is mounted on the first rotating shaft 7. The first rotating shaft 7 is also provided with a spacer of corresponding length to limit the position of the drive gear 6 in the thickness direction of the housing 2. The structure of the other rotating shafts is the same.

[0031] The first reduction gear set 3 includes a second rotating shaft 33 and a first large gear 31 and a first small gear 32 rotatably disposed in the housing 2 via the second rotating shaft 33. The first small gear 32 meshes with the drive gear 6.

[0032] The second reduction gear set 4 includes a third rotating shaft 43 and a second large gear 41 and a second small gear 42 rotatably disposed within the housing 2 via the third rotating shaft 43. The second small gear 42 meshes with the first large gear 31 of the first reduction gear set 3.

[0033] The third reduction gear set 5 includes a fourth rotating shaft 52 and a third pinion 51 rotatably disposed within the housing 2 via the fourth rotating shaft 52. The third pinion 51 meshes with the second large gear 41 of the second reduction gear set 4. Two third reduction gear sets 5 are meshed on the second reduction gear set 4.

[0034] Inside the outer casing 2, rollers 9 are rotatably mounted via a sixth rotating shaft 10. Each roller 9 has a wire groove 91. Three sixth rotating shafts 10 are provided, each with one roller 9. The wire groove 91 between two adjacent rollers 9 is adjacent to a wire outlet 21, and there are two wire outlets 21. The rollers 9 are located beside the winding wheel 1, and the wire groove 91 is adjacent to the wire outlet 21. The cable on the winding wheel 1 passes through the wire groove 91 and exits from the wire outlet 21.

[0035] Example 2

[0036] like Figure 4 , Figure 5 As shown, the embodiment is repeated, except that in this embodiment, the descent device further includes a fourth reduction gear set 8 that meshes with the second reduction gear set 4. The fourth reduction gear set 8 includes a fifth rotating shaft 83 and a third large gear 81 and a fourth small gear 82 rotatably disposed within the housing 2 via the fifth rotating shaft 83. The fourth small gear 82 meshes with the second large gear 41 of the second reduction gear set 4. There are four sets of third reduction gear sets 5. In addition to two third small gears 51 meshing with the second large gear 41 on the second reduction gear set 4, the other two third small gears 51 simultaneously mesh with the third large gear 81.

[0037] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A parafoil comprising a rope wheel (1), characterized in that, It also includes a shell (2) and a first reduction gear set (3), a second reduction gear set (4) and a third reduction gear set (5) rotatably arranged in the shell (2), the winding wheel (1) is rotatably arranged on one side of the shell (2) through a first rotating shaft (7), and a driving gear (6) is mounted on the first rotating shaft (7), the driving gear (6) is engaged with the first reduction gear set (3), the first reduction gear set (3), the second reduction gear set (4) and the third reduction gear set (5) are engaged in turn, the shell (2) is provided with a wire outlet (21) in the thickness direction, and the cable on the winding wheel (1) passes out of the wire outlet (21).

2. The parachute of claim 1, wherein, It also includes a fourth reduction gear set (8) engaged with the second reduction gear set (4), and the fourth reduction gear set (8) is provided with the third reduction gear set (5) engaged therewith.

3. The parachute of claim 2, wherein, The fourth reduction gear set (8) includes a fifth rotating shaft (83) and a third large gear (81) and a fourth small gear (82) rotatably arranged in the shell (2) through the fifth rotating shaft (83), the fourth small gear (82) is engaged with the second reduction gear set (4), and the third large gear (81) is engaged with the third reduction gear set (5).

4. The descent control device of any one of claims 1-3, wherein, The first reduction gear set (3) includes a second rotating shaft (33) and a first large gear (31) and a first small gear (32) rotatably arranged in the shell (2) through the second rotating shaft (33), the first small gear (32) is engaged with the driving gear (6), and the first large gear (31) is engaged with the second reduction gear set (4).

5. The descent control device of any one of claims 1-3, wherein, The second reduction gear set (4) includes a third rotating shaft (43) and a second large gear (41) and a second small gear (42) rotatably arranged in the shell (2) through the third rotating shaft (43), the second small gear (42) is engaged with the first reduction gear set (3), and the second large gear (41) is engaged with the third reduction gear set (5).

6. The descent control device of any one of claims 1-3, wherein, The third reduction gear set (5) includes a fourth rotating shaft (52) and a third small gear (51) rotatably arranged in the shell (2) through the fourth rotating shaft (52), and the third small gear (51) is engaged with the second reduction gear set (4).

7. The descent control device of any one of claims 1-3, wherein, The third reduction gear set (5) is engaged with two of the second reduction gear sets (4).

8. The descent control device of any one of claims 1-3, wherein, A roller (9) is rotatably arranged in the shell (2) through a sixth rotating shaft (10), the roller (9) is provided with a wire groove (91), the roller (9) is located beside the winding wheel (1), and the wire groove (91) is arranged adjacent to the wire outlet (21).

9. The descent control device of any one of claims 1-3, wherein, The shell (2) is provided with a mounting plate (22) for limiting the first reduction gear set (3), the second reduction gear set (4), the third reduction gear set (5) and the winding wheel (1).

10. The descent control device of any one of claims 1-3, wherein, The shell (2) is provided with a handle (23) away from the wire outlet (21).

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