CN214181491U - Constant speed descent control device for escape - Google Patents
Constant speed descent control device for escape Download PDFInfo
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- CN214181491U CN214181491U CN202022808280.2U CN202022808280U CN214181491U CN 214181491 U CN214181491 U CN 214181491U CN 202022808280 U CN202022808280 U CN 202022808280U CN 214181491 U CN214181491 U CN 214181491U
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- 230000007246 mechanism Effects 0.000 claims abstract description 24
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- 238000003825 pressing Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model relates to an escape constant-speed descent control device, which comprises a first fixed plate, a second fixed plate, an escapement mechanism and a transmission gear set, wherein the first fixed plate and the second fixed plate are arranged oppositely, and the transmission gear set is arranged between the first fixed plate and the second fixed plate and is in transmission connection with the escapement mechanism; the escapement mechanism comprises an escapement wheel and at least one balance pendulum which is arranged on the periphery of the escapement wheel and is matched with the escapement wheel to work; the transmission gear set comprises a first gear, a second gear, a third gear, a fourth gear and a rope clamping wheel, the first gear is synchronously and rotatably connected with the escapement wheel, the second gear is meshed with the first gear, the third gear is synchronously and rotatably connected with the second gear, the fourth gear is meshed with the third gear, the rope clamping wheel is synchronously and rotatably connected with the fourth gear, and the rope clamping wheel is in transmission connection with the escapement wheel; the peripheral surface of the rope clamping wheel is provided with a rope groove for sleeving the safety rope. The constant-speed descent control device for escape can reliably control the descent speed to be constant, can be stored for a long time and is not influenced by the external environment.
Description
Technical Field
The utility model relates to a fire control lifesaving equipment technical field, in particular to escape constant speed descent control device.
Background
With the continuous promotion of the urbanization process, the number of high-rise buildings is increased, and the fire safety problem of corresponding high floors is highlighted. Once a fire or other disaster occurs, the difficulty of escape and rescue of people is increasing. For this case, there is a corresponding product of the high-rise descent control device for solving the problem.
For example, in the chinese utility model patent entitled "a high-rise descent control device" with publication No. CN210813572U (application No. 201921267265.2), a self-limiting mechanism is provided in the disclosed high-rise descent control device, and the self-limiting mechanism includes a friction disc, a pre-tightening friction block, a centrifugal friction block, a first spring and a second spring. The self-speed limiting mechanism can automatically adjust the descending speed of descending personnel by generating friction resistance between the pre-tightening friction block and the centrifugal friction block and the friction disc respectively, so that the descending safety of the escape personnel is ensured. However, in actual use, the difference in the descending speed is large due to the difference in the body weight of different persons. And when the high-rise descent control device is used and stored in a fire scene, the friction coefficient between the friction blocks can be changed, and the hidden danger of slipping of the self-speed limiting mechanism exists. In addition, the non-metallic friction material on the centrifugal friction block has the problems of easy wetting and aging, and volatile gas and dust in the environment influence the friction coefficient of the friction block, so that the descent control device has the risk of failure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an ability reliable control descending speed is invariable is provided to above-mentioned prior art, can deposit for a long time and not receive the constant speed ware of slowly falling of fleing of its performance of external environment influence.
The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides a constant speed ware of slowly falling of fleing, includes relative first fixed plate, the second fixed plate that sets up which characterized in that: the transmission gear set is in transmission connection with the escapement mechanism;
the escapement mechanism comprises an escapement wheel and at least one balance pendulum which is arranged on the periphery of the escapement wheel in a swinging mode and is matched with the escapement wheel to work;
the transmission gear set comprises a first gear, a second gear, a third gear, a fourth gear and a rope clamping wheel, the first gear is synchronously and rotatably connected with the escapement wheel, the second gear is meshed with the first gear, the third gear is synchronously and rotatably connected with the second gear, the fourth gear is meshed with the third gear, the rope clamping wheel is synchronously and rotatably connected with the fourth gear, and the rope clamping wheel is in transmission connection with the escapement wheel;
the outer circumferential surface of the rope clamping wheel is provided with a rope groove for sleeving a safety rope.
Simple structure and small and exquisite ground, escape wheel, first gear, fourth gear, press from both sides the coaxial setting of rope sheave from preceding to back, second gear, the coaxial setting of third gear.
The whole volume is reduced, the second gear is arranged below the first gear, and the third gear is arranged below the fourth gear.
Preferably, the escape wheel, the first gear, the fourth gear and the rope clamping wheel are all sleeved on a central shaft, and two ends of the central shaft are respectively and fixedly connected to the middle positions of the first fixing plate and the second fixing plate;
the second gear and the third gear are sleeved on the connecting shaft, two ends of the connecting shaft are respectively and fixedly connected to the first fixing plate and the second fixing plate, and the connecting shaft is located below the central shaft end.
Preferably, the diameter of the first gear is smaller than that of the second gear, the diameter of the second gear is larger than that of the third gear, and the diameter of the third gear is smaller than that of the fourth gear.
The escape wheel has a simple structure, the inner hole of the escape wheel is a D-shaped hole, and the side surface of the first gear is provided with a first connecting part which extends towards the inner hole of the escape wheel in a matching manner;
the inner hole of the second gear is a D-shaped hole, and the side surface of the third gear is provided with a second connecting part which extends towards the inner hole of the second gear in a matching manner;
the inner hole of the rope clamping wheel is a D-shaped hole, and the side face of the rope clamping wheel is provided with a third connecting portion in a matching and extending mode towards the inner hole of the fourth gear.
For better realization of the guide of the safety rope, a rope guide part for the safety rope to penetrate is arranged below the rope clamping wheel, the rope guide part comprises a first plate body, a second plate body and three wheel shafts, the first plate body and the second plate body are oppositely arranged, the three wheel shafts are fixedly connected between the first plate body and the second plate body and are distributed in an inverted triangular shape, and a guide wheel is sleeved on each wheel shaft.
Preferably, the balance pendulum comprises a first clamping plate and a second clamping plate which are oppositely arranged, and at least three fixing shafts which are fixedly connected between the first clamping plate and the second clamping plate.
In order to conveniently fix the escape constant-speed descent control device, a bearing shaft is connected between the first fixing plate and the second fixing plate, a hanging plate capable of extending upwards is sleeved on the bearing shaft, and a connecting hole is formed in the upper end of the hanging plate;
the hanging plate is characterized by further comprising a fixing buckle, wherein a hanging part capable of being connected with the hanging plate is arranged on the fixing buckle, and a through hole is formed in the hanging part.
Preferably, the first fixing plate and the second fixing plate are externally wrapped by a shell, and the shell comprises a first shell and a second shell which can be buckled with each other.
Compared with the prior art, the utility model has the advantages of: the utility model provides a constant speed ware slowly falls of fleing, the theory of operation of mechanism is shown in the clock to the utilization moment that does not return, the escapement of no natural vibration system type is found to the construction, the reciprocal vibration cycle of balanced pendulum is directly proportional with the square root of balanced pendulum inertia, the reciprocal vibration cycle of balanced pendulum is inversely proportional with the square root of the torque size that the escapement wheel gave balance white in the escapement, because the inertia of balanced pendulum is the constant, then human weight is for the moment size basic stability of balanced pendulum through the escapement wheel, and then make the escapement wheel be the invariable motion of average speed, realize at the uniform velocity and descend. In addition, the escapement mechanism and the transmission gear set are matched to work, the structure of the transmission gear set is simpler, and compared with the structure of a planetary gear set, the escapement mechanism is more convenient to assemble, the requirements on gear machining precision and assembly precision are low, and the work reliability is high.
When the escape constant-speed descent control device is used, the rotating speed is reduced mainly by the escapement mechanism, friction force is not required, the storage requirement on the escape constant-speed descent control device is low, external environmental factors do not influence the work of the escapement mechanism, and accordingly the condition that the escape constant-speed descent control device fails is not easy to occur.
Drawings
Fig. 1 is a front view, partially in section, of a constant speed descent control device for escape in an embodiment of the present invention.
Fig. 2 is a perspective view of the rear view angle of the constant-speed descent control device for escape in the embodiment of the present invention.
Fig. 3 is an exploded perspective view of the constant-speed descent control device for escape in the embodiment of the present invention.
Fig. 4 is a sectional view of the constant speed descent control device for escape in the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 4, the constant speed descent control device for escape in the present embodiment includes a first fixing plate 1 and a second fixing plate 2 which are oppositely disposed, an escapement mechanism 3 disposed between the first fixing plate 1 and the second fixing plate 2, a transmission gear set 4, a rope guide 7, a housing 100 wrapped outside the first fixing plate 1 and the second fixing plate 2, a hanging plate 81 and a fixing buckle 9 for connection.
Wherein the housing 100 comprises a first shell 101 and a second shell 102 that can be fastened to each other, so that the assembly is facilitated and the maintenance of the components therein is facilitated.
Carry out fixed connection through the axle between first fixed plate 1 and the second fixed plate 2, guarantee the joint strength between first fixed plate 1 and the second fixed plate 2. In addition, a bearing shaft 8 is connected between the first fixing plate 1 and the second fixing plate 2, the bearing shaft 8 is positioned at the upper part of the first fixing plate 1 and the second fixing plate 2, the hanging plate 81 is fixedly sleeved on the bearing shaft 8, the hanging plate 81 extends upwards to the outside of the shell, a connecting hole 811 is formed in the upper end of the hanging plate 81, and when the escape constant-speed descent control device is used, the escape constant-speed descent control device is hung on a wall body, a window and other base bodies through the connecting hole 811 of the hanging plate 81, and then the escape constant-speed descent control device is used.
The fixing buckle 9 can be fixed on the wall in advance, and when the escape constant-speed descent control device needs to be used, the hanging plate 81 is connected with the fixing buckle 9, so that the escape constant-speed descent control device can be used quickly. Wherein the fixing buckle 9 is provided with a hanging part 91 which can be connected with the hanging plate 81, the hanging part 91 is provided with a through hole 911, the hanging buckle in the prior art can be connected between the through hole 911 of the hanging part 91 and the connecting hole 811 of the hanging plate 81, and the connection of the hanging plate 81 on the fixing buckle 9 is realized. The fixing buckle 9 is particularly suitable for scenes without the fixed position of the hanging plate 81, the connection firmness of the fixing buckle 9 is better, and the escape constant-speed descent control device is safer to use.
The transmission gear set 4 in this embodiment is drivingly connected to the escapement 3. Specifically, the escapement mechanism 3 includes an escape wheel 31 and at least one balance pendulum 32 disposed on the periphery of the escape wheel 31 and cooperating with the escape wheel 31, wherein the number of the balance pendulums 32 can be adjusted according to the rotation speed and torque of the escape wheel 31, for example, two balance pendulums 32 as shown in fig. 1 may be disposed, or 4 balance pendulums 32 as shown in fig. 3 may be disposed. Each balance pendulum 32 is connected to a shaft body between the first fixing plate 1 and the second fixing plate 2 in a swinging manner. The balance pendulum 32 in this embodiment includes a first clamping plate 321, a second clamping plate 322, and at least three fixing shafts 323 fixedly connected between the first clamping plate 321 and the second clamping plate 322. The shaft body is inserted into the middle of the first and second clamp plates 321, 322, so that the balance pendulum 32 can swing on the shaft body.
The transmission gear set 4 includes a first gear 41, a second gear 42, a third gear 43, a fourth gear 44 and a rope clamping wheel 45, so as to ensure the compact structure and simultaneously facilitate the transmission. In this embodiment, the escapement wheel 31, the first gear 41, the fourth gear 44 and the rope clamping wheel 45 are coaxially arranged from front to back, the escapement wheel 31, the first gear 41, the fourth gear 44 and the rope clamping wheel 45 are all sleeved on the central shaft 5, and two ends of the central shaft 5 are respectively and fixedly connected to the middle positions of the first fixing plate 1 and the second fixing plate 2.
The second gear 42 and the third gear 43 are coaxially arranged, the second gear 42 and the third gear 43 are sleeved on the connecting shaft 6, two ends of the connecting shaft 6 are respectively and fixedly connected to the first fixing plate 1 and the second fixing plate 2, and the connecting shaft 6 is located below the end of the central shaft 5. The second gear 42 is disposed below the first gear 41, and the third gear 43 is disposed below the fourth gear 44.
The first gear 41 is connected with the escape wheel 31 in a synchronous rotation mode, the inner hole of the escape wheel 31 is a D-shaped hole, and the side face of the first gear 41 is provided with a first connecting part 411 which extends towards the inner hole of the escape wheel 31 in a matching mode. The second gear 42 is meshed with the first gear 41, the third gear 43 is connected with the second gear 42 in a synchronous rotating mode, an inner hole of the second gear 42 is a D-shaped hole, and a second connecting portion 431 is formed in the side face of the third gear 43, which extends towards the inner hole of the second gear 42 in a matched mode. The fourth gear 44 meshes with the third gear 43. To facilitate the fitting, the diameter of the first gear 41 is smaller than that of the second gear 42, the diameter of the second gear 42 is larger than that of the third gear 43, and the diameter of the third gear 43 is smaller than that of the fourth gear 44.
The rope clamping wheel 45 is connected with the fourth gear 44 in a synchronous rotating mode, specifically, an inner hole of the rope clamping wheel 45 is a D-shaped hole, a third connecting portion 452 is arranged on the side face of the rope clamping wheel 45, facing the inner hole of the fourth gear 44, in a matching and extending mode, and therefore the rope clamping wheel and the fourth gear are connected in a synchronous rotating mode.
In addition, the rope clamping wheel 45 is coaxially connected with the escapement wheel 31, so that the rope clamping wheel 45 and the escapement wheel 31 can be mutually transmitted to realize transmission connection, a rope groove 451 for sleeving a safety rope is arranged on the outer peripheral surface of the rope clamping wheel 45, and the safety rope for connecting a safety belt is wound in the rope groove 451.
Rope guide 7 that the confession safety rope penetrated is provided with in the below of pressing from both sides rope sheave 45, and rope guide 7 is including relative first plate body 71, the second plate body 72 that sets up to and three shaft 73 of fixed connection between first plate body 71, the second plate body 72, and three shaft 73 is the distribution of inverse triangle form, and the cover is equipped with leading wheel 74 on every shaft 73. For the convenience of installation and reduction of the overall volume, the rope guide 7 is installed at the rear of the third gear 43, and has a notch for the connection shaft 6 to pass through.
The escape constant-speed descent control device is used in the following process: the escape constant-speed descent control device is fixedly connected through a hanging plate 81, a safety belt connected with a safety rope is sleeved on an escape person, then the escape person drives a rope clamping wheel 45 to rotate in the descending process, an escape wheel 31 coaxially connected with the rope clamping wheel 45 correspondingly starts to rotate along with the rope clamping wheel 45, a balance pendulum 32 swings along with the rotation of the escape wheel 31, the rotating speed of the escape wheel 31 is limited to be lower constant speed under the matching action of the escape wheel 31 and the balance pendulum 32, the corresponding first gear 41 synchronously rotates along with the escape wheel 31, meanwhile, under the transmission action of the first gear 41, the second gear 42, the third gear 43 and the fourth gear 44, the fourth gear 44 is driven to rotate at lower constant speed, the rotating speed of the rope clamping wheel 45 synchronously connected correspondingly is controlled, the safety rope descends in a penetrating mode, and the safety rope is arranged in a rope guide 7 in a penetrating mode, the safety rope is prevented from coming off the rope groove 451 of the rope clamping wheel 45 under the guiding action of the rope guide 7 on the safety rope, and the vertical direction guide is provided for the safety rope, so that the movement of the safety rope is smoother.
The utility model provides an escape constant speed descent control device, utilize the theory of operation that does not have the moment clock mechanism that returns, construct the escapement 3 that does not have natural vibration system type, the reciprocal vibration cycle of balance pendulum 32 is directly proportional with the square root of balance pendulum 32 inertia in this escapement 3, the reciprocal vibration cycle of balance pendulum 32 is inversely proportional with the square root of escape wheel 31 for the torque size of balance white in escapement 3, because balance pendulum 32's inertia is the constant, then human weight is through the moment size of escape wheel 31 for balance pendulum 32 stable basically, and then make escape wheel 31 be the invariable motion of average rotational speed, realize at the uniform velocity and descend. In addition, the escapement mechanism 3 and the transmission gear set 4 work in a matched mode, the structure of the transmission gear set 4 is simpler, and compared with a planetary gear set structure, the structure is more convenient to assemble, the requirements on gear machining precision and assembly precision are low, and the working reliability is high.
When the escape constant-speed descent control device is used, the rotating speed is reduced mainly by the escapement mechanism 3, friction force is not required, the storage requirement on the escape constant-speed descent control device is low, external environmental factors have no influence on the work of the escapement mechanism 3, the escape constant-speed descent control device is not afraid of water and oil when placed, and the escape constant-speed descent control device is not easy to fail when used.
Claims (10)
1. The utility model provides a constant speed ware of slowly falling of fleing, includes relative first fixed plate (1), second fixed plate (2) that set up, its characterized in that: the device is characterized by further comprising an escapement mechanism (3) and a transmission gear set (4), wherein the escapement mechanism (3) and the transmission gear set (4) are arranged between the first fixing plate (1) and the second fixing plate (2), and the transmission gear set (4) is in transmission connection with the escapement mechanism (3);
the escapement mechanism (3) comprises an escapement wheel (31) and at least one balance pendulum (32) which is arranged on the periphery of the escapement wheel (31) in a swinging mode and is matched with the escapement wheel (31) for work;
the transmission gear set (4) comprises a first gear (41), a second gear (42), a third gear (43), a fourth gear (44) and a rope clamping wheel (45), the first gear (41) is synchronously and rotatably connected with the escape wheel (31), the second gear (42) is meshed with the first gear (41), the third gear (43) is synchronously and rotatably connected with the second gear (42), the fourth gear (44) is meshed with the third gear (43), the rope clamping wheel (45) is synchronously and rotatably connected with the fourth gear (44), and the rope clamping wheel (45) is in transmission connection with the escape wheel (31);
the outer circumferential surface of the rope clamping wheel (45) is provided with a rope groove (451) for sleeving a safety rope.
2. The escape constant-speed descent control device according to claim 1, wherein: the escape wheel (31), the first gear (41), the fourth gear (44) and the rope clamping wheel (45) are coaxially arranged from front to back, and the second gear (42) and the third gear (43) are coaxially arranged.
3. The escape constant-speed descent control device according to claim 2, wherein: the second gear (42) is disposed below the first gear (41), and the third gear (43) is disposed below the fourth gear (44).
4. The escape constant-speed descent control device according to claim 3, wherein: the escape wheel (31), the first gear (41), the fourth gear (44) and the rope clamping wheel (45) are sleeved on the central shaft (5), and two ends of the central shaft (5) are fixedly connected to the middle positions of the first fixing plate (1) and the second fixing plate (2) respectively;
second gear (42), third gear (43) cover are established on connecting axle (6), the both ends of connecting axle (6) are fixed connection respectively on first fixed plate (1), second fixed plate (2) to connecting axle (6) are located the below of center pin (5) end.
5. The escape constant-speed descent control device according to claim 3, wherein: the diameter of the first gear (41) is smaller than that of the second gear (42), the diameter of the second gear (42) is larger than that of the third gear (43), and the diameter of the third gear (43) is smaller than that of the fourth gear (44).
6. The escape constant-speed descent control device according to claim 2, wherein: the inner hole of the escape wheel and pinion (31) is a D-shaped hole, and the side face of the first gear (41) extends into the inner hole of the escape wheel and pinion (31) in a matching mode to form a first connecting part (411);
the inner hole of the second gear (42) is a D-shaped hole, and a second connecting part (431) is arranged on the side surface of the third gear (43) in a matching and extending mode towards the inner hole of the second gear (42);
the inner hole of the rope clamping wheel (45) is a D-shaped hole, and a third connecting part (452) is arranged in the inner hole of the side surface of the rope clamping wheel (45) facing the fourth gear (44) in a matching and extending mode.
7. The escape constant-speed descent control device according to any one of claims 1 to 5, wherein: rope guide (7) that the confession safety rope penetrated are provided with in the below of pressing from both sides rope sheave (45), rope guide (7) are including relative first plate body (71), the second plate body (72) that set up to and three shaft (73) of fixed connection between first plate body (71), second plate body (72), and three shaft (73) are the distribution of falling triangle-shaped, and the cover is equipped with leading wheel (74) on every shaft (73).
8. The escape constant-speed descent control device according to any one of claims 1 to 5, wherein: the balance pendulum (32) comprises a first clamping plate (321), a second clamping plate (322) and at least three fixed shafts (323) which are oppositely arranged, wherein the three fixed shafts are fixedly connected between the first clamping plate (321) and the second clamping plate (322).
9. The escape constant-speed descent control device according to any one of claims 1 to 5, wherein: a bearing shaft (8) is connected between the first fixing plate (1) and the second fixing plate (2), a hanging plate (81) capable of extending upwards is sleeved on the bearing shaft (8), and a connecting hole (811) is formed in the upper end of the hanging plate (81);
the hanging plate is characterized by further comprising a fixing buckle (9), wherein a hanging part (91) which can be connected with the hanging plate (81) is arranged on the fixing buckle (9), and a through hole (911) is formed in the hanging part (91).
10. The escape constant-speed descent control device according to any one of claims 1 to 5, wherein: the first fixing plate (1) and the second fixing plate (2) are wrapped by a shell (100), and the shell (100) comprises a first shell (101) and a second shell (102) which can be buckled with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022808280.2U CN214181491U (en) | 2020-11-27 | 2020-11-27 | Constant speed descent control device for escape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022808280.2U CN214181491U (en) | 2020-11-27 | 2020-11-27 | Constant speed descent control device for escape |
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| CN214181491U true CN214181491U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022808280.2U Active CN214181491U (en) | 2020-11-27 | 2020-11-27 | Constant speed descent control device for escape |
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| CN (1) | CN214181491U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893471A (en) * | 2021-11-08 | 2022-01-07 | 嘉兴学院 | High-rise emergency slow-falling escapement mechanism and slow-falling device thereof |
-
2020
- 2020-11-27 CN CN202022808280.2U patent/CN214181491U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893471A (en) * | 2021-11-08 | 2022-01-07 | 嘉兴学院 | High-rise emergency slow-falling escapement mechanism and slow-falling device thereof |
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Address after: Room 101, 1st Floor, Building 1, No. 1433 Jinhai Road, Cixi Binhai Economic Development Zone, Ningbo City, Zhejiang Province, 315311 Patentee after: Ningbo Yinzhou Ruite Stamping Products Co.,Ltd. Address before: 315000 No. 928 Xueyuan Road, Gaoqiao Town, Haishu District, Ningbo City, Zhejiang Province Patentee before: Ningbo Haishu Ruite stamping products Co.,Ltd. |
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