CN209108447U - Speed limit module and high building escape deceleration device - Google Patents
Speed limit module and high building escape deceleration device Download PDFInfo
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- CN209108447U CN209108447U CN201821305554.2U CN201821305554U CN209108447U CN 209108447 U CN209108447 U CN 209108447U CN 201821305554 U CN201821305554 U CN 201821305554U CN 209108447 U CN209108447 U CN 209108447U
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- speed limit
- limit module
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- centrifugation
- bar
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Abstract
The utility model provides a kind of speed limit module and high building escape deceleration device, it is related to high-building self-rescuing escape technical field, speed limit module provided by the utility model includes: damped ring, rotating bracket, rotation axis, shell, it is centrifuged bar and sensitive spring, one end of rotating bracket and one end of centrifugation bar use axis connection, in use process, since the revolving speed of rotating bracket is excessive, centrifugation bar is thrown away, centrifugation bar shakes off the constraint of sensitive spring, one end collides with damped ring, to reduce the revolving speed of rotating bracket, and then play the role of limiting human body decline initial velocity.It is big that speed limit module provided by the utility model alleviates high building escape deceleration device initial velocity during human body tenesmus in the prior art, the technical issues of be easy to causeing injury of human.
Description
Technical field
It escapes field the utility model relates to high-building self-rescuing, and in particular to a kind of speed limit module and the slow drop of high-rise life saving
Device.
Background technique
Escape apparatus on the market, rope belt runner disc rotates when being decline mostly, and wheel disc is sleeved in fixing axle, wheel disc
Bearing is installed between fixing axle, wheel disc is internally provided with slowdown module, slowdown module and fixed axis connection, thus using from
Mental and physical efforts make slowdown module contact generation frictional force with wheel disc inner wall, and then increase the resistance of decline, reduce decrease speed.Declining
Initial stage, since wheel disk rotating speed is not high, centrifugal force is little, so frictional force is also limited, lead to the initial stage of decline,
Human body lapse rate is very fast, injury of easily colliding with.
Utility model content
The purpose of this utility model is to provide a kind of speed limit module and high building escape deceleration devices, to alleviate the prior art
The technical issues of middle high building escape deceleration device initial velocity during human body drops is big, be easy to cause injury of human.
The utility model first aspect provides a kind of speed limit module, and the speed limit module provided specifically includes that shell, damping
Circle, rotating bracket, rotation axis, centrifugation bar and elastic parts；
Damped ring is sheathed on the outside of rotating bracket, and rotating bracket is rotatablely connected by rotation axis and shell, rotating bracket
With multiple support arms, multiple support arms are spaced apart around the axis of rotation axis；
The first end for being centrifuged bar is rotatablely connected by connecting shaft and support arm, and the second end for being centrifuged bar can be around the axis of connecting shaft
Line is freely rotated, and elastic parts is connect with centrifugation bar and rotating bracket respectively, the second end tool that elastic parts is used to make to be centrifuged bar
There is the movement tendency of separate damped ring, the outer wall of damped ring is fixed on the inner wall of shell.
Further, the inner wall of damped ring is equipped with multiple inwardly projecting damping blocks, week of multiple damping blocks along damped ring
To joining end to end.
Further, the quantity for being centrifuged bar is equal with the quantity of support arm, and multiple centrifugation bars and multiple support arms are accordingly
Connection.
Further, a centrifugation bar is all had between two neighboring support arm, along the circumferential direction of damped ring, more centrifugation bars
It is tilted to same direction.
Further, the shape of the second end of bar is centrifuged as semicircle.
Further, shell is that the hollow cylinder of uncovered constructs, and the bottom middle position of shell is provided with to be turned for installing
The installation bearing of moving axis, one end of rotation axis are mounted on installation bearing.
Further, bearing is installed, centrifugation bar is fixed on bearing in the connecting shaft of support arm.
The utility model second aspect provides a kind of high building escape deceleration device, comprising: upper casing, lower casing, main shaft, deceleration mould
Block, planetary gear set, wirerope, wheel disc and speed limit module；
It is that cylindrical hollow constructs inside wheel disc, slowdown module is in the inside of wheel disc, and slowdown module is by mounting groove and friction
Block composition, mounting groove are fixed on main shaft, and one end of friction block is inlaid in mounting groove, and friction block can be in mounting groove along wheel
The movement of disk diameter direction, the friction block other end is close to wheel disc inner wall；For wirerope-winding on wheel disc, wheel disc is solid by main shaft bearing
It is scheduled on main shaft, the side wall of the internal gear of the marginal portion and planetary gear set of wheel disc connects, the sun gear and main shaft of planetary gear set
Connection, the rotation axis connection of main shaft and speed limit module, the shell of speed limit module are mounted on lower casing inner wall, and upper casing is connected with lower casing.
Further, exit is provided with sheave, and the appropriate location of upper casing or lower casing is provided with harness plate.
Knot is further, and the corresponding position of upper casing and lower casing is provided with the identical notch of size shape, for being used as steel wire
The outlet of rope.
Above technical scheme is closed, the utility model has the beneficial effects that:
In the specific use process, rotate rotation axis by external force, rotation axis drives rotating bracket rotation, rotation branch
Frame throws away the centrifugation bar connecting with rotating bracket, and the second end for being centrifuged bar collides damped ring inner wall, is generating along centrifugation bar
While the direction of motion opposite power, can also be slided along damped ring, generation it is logical with along the opposite power of the centrifugation bar direction of motion
It crosses connecting shaft to pass in rotating bracket, so that rotating bracket generates an in rotational direction opposite power, increases rotation
Resistance when holder pivots reduces the revolving speed of rotating bracket, and when rotating bracket speed reduces, the centrifugal force of rotating bracket subtracts
Small, centrifugation bar is retracted by elastic parts, and speed limit process terminates.
Compared with the relevant technologies, by speed limit module application provided by the utility model in escape device for high-rise buildings, alleviate existing
There is in technology the technical issues of high building escape deceleration device initial velocity during human body tenesmus is big, be easy to cause injury of human,
The beneficial effect of initial velocity during can limiting human body tenesmus is reached.
Detailed description of the invention
Technical solution in order to illustrate more clearly of specific embodiment of the present invention or in the related technology, below will be right
Attached drawing needed in specific embodiment or description of Related Art is briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of speed limit module provided by the embodiment of the utility model；
Fig. 2 is high building escape deceleration device internal structure side view provided by the embodiment of the utility model；
Fig. 3 is the planing surface figure of high building escape deceleration device provided by the embodiment of the utility model；
Icon: 100- speed limit module；101- damped ring；102- is centrifuged bar；103- rotating bracket；104- elasticity group
Part；105- rotation axis；106- shell；200- planetary gear set；201- internal gear；202- planetary gear；203- sun gear；
300- slowdown module；301- mounting groove；302- friction block；400- wheel disc；500- upper casing；501- lower casing；502- harness
Plate；600- main shaft；700- sheave；800- wirerope.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in Figure 1, speed limit module 100 provided by the embodiment of the utility model includes: shell 106, damped ring 101, turns
Dynamic bracket 103, rotation axis 105, centrifugation bar 102 and elastic parts 104；
Damped ring 101 is sheathed on the outside of rotating bracket 103, and rotating bracket 103 passes through rotation axis 105 and 106 turns of shell
Dynamic connection, rotating bracket 103 have multiple support arms, and multiple support arms are spaced apart around the axis of rotation axis 105；
The first end for being centrifuged bar 102 is rotatablely connected by connecting shaft and support arm, and the second end of centrifugation bar 102 can be around connection
The axis of axis is freely rotated, and elastic parts 104 is connect with centrifugation bar 102 and rotating bracket 103 respectively, and elastic parts 104 is used for
Make the second end for being centrifuged bar 102 that there is the movement tendency far from damped ring 101, the outer wall of damped ring 101 is fixed on shell 106
On inner wall.
Further, it is keyed between rotating bracket 103 and rotation axis 105, key connection can make in speed limit module 100
Rotating bracket 103 is easy to disassemble from rotation axis 105 when portion's part breaks down.
Further, as shown in Figure 1, support arm can be to be multiple, support arm is four in the present embodiment, four support arms
Be uniformly distributed around rotating bracket 103, four support arms be set and be not only able to satisfy 100 functional requirement of speed limit module, but be avoided that due to
The problem of too many support arm is set and is easy to happen failure.
Further, as shown in Figure 1, the first end of elastic parts 104 is connected to centrifugation bar 102 close to one side of support arm
Intermediate position, second end is connected to the middle position of two support arms of rotating bracket 103, can be centrifuged bar 102
It is easy to throw away when rotating bracket 103 rotates.
Further, damped ring 101 is welded on 106 inner wall of shell, and in some embodiments, damped ring 101 can also lead to
Bolt is crossed to connect with 106 inner wall of shell.
Further, the inner wall of damped ring 101 is equipped with multiple inwardly projecting damping blocks, and the shape of damping block is semicircle
Shape, multiple damping blocks join end to end the inner wall of ring cloth damped ring 101；The second end of centrifugation bar 102 is touched with 101 inner wall of damped ring
It hits, while generating one along centrifugation 102 direction of motion of bar opposite power, the second end of centrifugation bar 102 again can be along damping
Block slips over.
Further, the center of circle of damped ring 101 is overlapped with the center of rotating bracket 103, can make four centrifugation bars 102
Apart from being equidistant for 101 inner wall of damped ring.
Further, the quantity for being centrifuged bar 102 is equal with the quantity of support arm, four centrifugation bars 102 and four support arms
Correspondingly connected, four centrifugation bars 102 are thrown out of simultaneously when rotating bracket 103 can be enabled to rotate.
Further, a centrifugation bar 102 is all had between two neighboring support arm, along the circumferential direction of damped ring 101, four
It is centrifuged bar 102 to tilt to same direction, can make the centrifugation bar 102 in rotation of rotating bracket 103 that can collide damped ring
On 101 damping block and generate a power opposite along centrifugation 102 direction of motion of bar.
In some embodiments, when the maximum tension length of elastic parts 104 is can be such that rotating bracket 103 rotates, from
Core bar 102 and support arm meet length of the angle less than 180 degree between the side of rotation direction；Elastic parts 104 is not
Length when deformation occurs, the angle formed between centrifugation bar 102 and support arm can guarantee to be centrifuged bar 102 in rotating bracket
When 103 rotation, it is centrifuged the length that bar 102 can be thrown out of.When centrifugation bar 102 collides damped ring 101, elastic parts 104
It is stretched to maximum length, centrifugation bar 102 and support arm and elastic parts 104 forms a fixed triangular structure.
Further, elastic parts 104 can be spring, the elastic constructions such as rubber band, in the present embodiment elastic parts
104 be spring, and spring long service life is not susceptible to damage.
In some embodiments, the length for being centrifuged bar 102 is that can guarantee to be centrifuged when bar 102 is thrown out of to be centrifuged bar 102
Second end can collide the length on 101 inner wall of damped ring.
Further, the shape for being centrifuged the second end of bar 102 is semicircle, and centrifugation bar 102 can be made to collide resistance
Damped ring 101 can be slipped over when Buddhist nun's circle 101.
It further, should as shown in Figure 1, centrifugation bar 102 is the block structure being made of intermediate rectangular, both ends semicircle
Structure can be uneven and there is a situation where be broken appearance due to local pressure to avoid entire centrifugation bar 102.
In some embodiments, shell 106 is that the hollow cylinder of uncovered constructs, the bottom middle position setting of shell 106
There is the mounting hole for connecting installation bearing, installation bearing is installed in mounting hole, one end of rotation axis 105 is mounted on installation axle
It holds.
Further, the outer ring for installing bearing is welded in the mounting hole being arranged among shell 106, can be to avoid using
Installation bearing is loosened with shell 106 in the process.
Further, the inner ring and rotation axis 105 for installing bearing are keyed, and being easy when can to break down will rotation
Axis 105 is disassembled from shell 106.
In some embodiments, bearing is installed, centrifugation bar 102 is fixed on bearing, can be in the connecting shaft of support arm
So that centrifugation bar 102 is easier to be thrown out of when rotating bracket 103 rotates.
Further, as shown in Figure 1, connecting shaft is connected to the inner ring of bearing by interference fit, centrifugation bar 102 passed through
For the engagement sleeves that are full of on the outer ring of bearing, the connection type is stronger, can prevent from occurring between centrifugation bar 102 and support arm
It loosens.
Specifically, rotating rotation axis 105 by external force in use, rotation axis 105 drives 103 turns of rotating bracket
Dynamic, rotating bracket 103 throws away the centrifugation bar 102 connecting with rotating bracket 103, and the end of centrifugation bar 102 collides damped ring
101 inner walls slip over while generating along centrifugation 102 direction of motion of bar opposite power along semicircle damping block surface；It generates
The power opposite along centrifugation 102 direction of motion of bar is passed in rotating bracket 103 by connecting shaft, so that rotating bracket 103 produces
A raw in rotational direction opposite power increases resistance when rotating bracket 103 rotates, and reduces turning for rotating bracket 103
Speed, when 103 speed of rotating bracket reduces, the centrifugal force of rotating bracket 103 reduces, and centrifugation bar 102 is drawn by elastic parts 104
It returns, speed limit process terminates.
As shown in Figures 2 and 3, the utility model second aspect provides a kind of high building escape deceleration device, which is characterized in that
It include: upper casing 500, lower casing 501, main shaft 600, slowdown module 300, planetary gear set 200, wirerope 800, wheel disc 400 and speed limit
Module 100；
Constructed inside wheel disc 400 for cylindrical hollow, slowdown module 300 in the inside of wheel disc 400, slowdown module 300 by
Mounting groove 301 and friction block 302 form, and mounting groove 301 is fixed on main shaft 600, and one end of friction block 302 is inlaid in mounting groove
In 301, friction block 302 can be moved in mounting groove 301 along 400 diametrical direction of wheel disc, and 302 other end of friction block is close to wheel disc
400 inner walls；Wirerope 800 is wrapped on wheel disc 400, and wheel disc 400 is fixed on main shaft 600 by main shaft bearing, wheel disc 400
Marginal portion is connected with the side wall of the internal gear 201 of planetary gear set 200, and the sun gear 203 and main shaft 600 of planetary gear set 200 connect
It connecing, main shaft 600 is connect with the rotation axis 105 of speed limit module 100, and the shell 106 of speed limit module 100 is mounted on 501 inner wall of lower casing,
Upper casing 500 and lower casing 501 connect.
Further, mounting groove 301 is the fan groove being looped around on main shaft 600, can be disposed with multiple peaces on main shaft 600
Tankage 301, in the present embodiment, there are three mounting grooves 301 for arrangement on main shaft 600, can increase slowdown module 300 and wheel disc
Contact area inside 400 increases frictional force.
Further, the material that friction block 302 is is friction material, and friction material has good coefficient of friction and wear-resisting
Performance is damaged, while there is certain heat resistance and mechanical strength, friction block 302 is avoided and loses friction because using overlong time
Effect.
In some embodiments, the inner wall along wheel disc 400 is stained with one layer of friction material, can increase wheel disc 400 and friction
Frictional resistance between block 302.
Further, wheel disc 400 can diametrically be split up into individual two parts, be sleeved on main shaft 600 convenient for wheel disc 400
On.
Further, two parts of wheel disc 400 are bolted together, convenient for the disassembly and assembling of wheel disc 400.
Further, using key connection between wheel disc 400 and main shaft bearing, key is used between main shaft 600 and main shaft bearing
Connection, so that easy to disassemble between wheel disc 400 and main shaft 600.
Further, wheel disc 400 and the internal gear 201 of planetary gear set 200 are connected by screw bolts, convenient for wheel disc 400 with it is interior
Disassembly and assembly between ring gear 201.
Further, between the sun gear 203 and main shaft 600 of planetary gear set 200 using key connection, convenient for main shaft 600 with
Disassembly and assembly between sun gear 203.
In some embodiments, it is connected, is used by shaft coupling between main shaft 600 and the rotation axis 105 of speed limit module 100
Shaft coupling can removing and installing in order to main shaft 600 and speed limit module 100.
In some embodiments, the inner wall in lower casing 501 is bolted in the shell 106 of speed limit module 100, and bolt connects
Connecing can be in order to removing and installing between speed limit module 100 and lower casing 501.
Further, upper casing 500 is connected by bolt and lower casing 501, is bolted convenient for upper casing 500 and lower casing 501
It removes and installs.
In some embodiments, upper casing 500 and the corresponding position of lower casing 501 are provided with the identical notch of size shape, use
In the outlet as wirerope 800.
Further, hook is installed from the end of wirerope 800 that outlet is stretched out, when in use can more easily by
Wirerope 800 is mounted on a fixed position.
Further, exit is provided with sheave 700, can to avoid wirerope 800 and outlet between rub into
And it is broken wirerope 800.
Further, as shown in figure 3, sheave 700 is the circle that two mutual individually packaged centres together are spill
Rolling composition, intermediate spill can make wirerope 800 always in the middle position of entire ramp-down device.
Further, the appropriate location of upper casing 500 or lower casing 501 is equipped with harness plate 502, when in use, harness plate 502
Ramp-down device and the safety rope on human body are linked together.
In some embodiments, upper casing 500, lower casing 501, main shaft 600, slowdown module 300, planetary gear set 200, wirerope
800, wheel disc 400 and speed limit module 100 are stainless steel material, ensure that safety that after fire occurs or while intake uses with
Reliability.
Specifically, in use, the hook of wirerope 800 hangs over fixed position, human body has been dressed safety rope and has been passed through
Harness plate 502 is connect with ramp-down device, and in the initial procedure of tenesmus, wirerope 800 pulls out band runner disc 400 and rotates, wheel disc
400 drive the internal gear 201 of planetary gear set 200 to rotate, and revolving speed is amplified on main shaft 600 by planetary gear set 200；Main shaft
600 connect with speed limit module 100, by speed limit module 100 rapidly by revolving speed control in a safe range, while the mould that slows down
Wall friction reduces by 400 revolving speed of wheel disc in friction block 302 and wheel disc 400 on block 300, and speed limit module 100 stops working, and slows down
Module 300 controls 400 uniform rotation of wheel disc, so that human body uniform descent under a safe speed.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of speed limit module characterized by comprising shell, damped ring, rotating bracket, rotation axis, centrifugation bar and elastic group
Part；
The damped ring is sheathed on the outside of the rotating bracket, and the rotating bracket is turned by the rotation axis and the shell
Dynamic connection, the rotating bracket have multiple support arms, and multiple support arms are spaced apart around the axis of the rotation axis；
The first end of the centrifugation bar is rotatablely connected by connecting shaft and the support arm, and the second end of the centrifugation bar can be around institute
The axis for stating connecting shaft is freely rotated, and the elastic parts is connect with the centrifugation bar and the rotating bracket respectively, the bullet
Property component be used to make the second end of the centrifugation bar that there is the movement tendency far from the damped ring, the outer wall of the damped ring is solid
It is scheduled on the inner wall of the shell.
2. speed limit module according to claim 1, which is characterized in that the inner wall of the damped ring is equipped with multiple inwardly projecting
Damping block, multiple damping blocks join end to end along the circumferential direction of the damped ring.
3. speed limit module according to claim 1, which is characterized in that the quantity of the centrifugation bar and the number of the support arm
Measure equal, multiple centrifugation bars and multiple support arms are correspondingly connected.
4. speed limit module according to claim 3, which is characterized in that all have one between the two neighboring support arm
The centrifugation bar, along the circumferential direction of the damped ring, the more centrifugation bars are tilted to same direction.
5. speed limit module according to claim 1, which is characterized in that the shape of the second end of the centrifugation bar is semicircle
Shape.
6. speed limit module according to claim 1, which is characterized in that the shell is that the hollow cylinder of uncovered constructs, institute
The bottom middle position for stating shell is provided with installation bearing for installing the rotation axis, and one end of the rotation axis is mounted on
On the installation bearing.
7. speed limit module according to claim 1, which is characterized in that bearing is installed in the connecting shaft of the support arm,
The centrifugation bar is fixed on the bearing.
8. a kind of high building escape deceleration device characterized by comprising upper casing, lower casing, main shaft, slowdown module, planetary gear set,
Wirerope, wheel disc and such as speed limit module of any of claims 1-7；
It is that cylindrical hollow constructs inside the wheel disc, the slowdown module is in the inside of the wheel disc, the slowdown module packet
Mounting groove and friction block are included, the mounting groove is fixed on the main shaft, and one end of the friction block is inlaid in the mounting groove
In, the friction block can move in the mounting groove along the wheel diameter direction, and the friction block other end is close to institute
State wheel disc inner wall；On the wheel disc, the wheel disc is fixed on the main shaft wirerope-winding by main shaft bearing, institute
The marginal portion for stating wheel disc is connected with the side wall of the internal gear of the planetary gear set, the sun gear of the planetary gear set and the master
The shell of axis connection, the rotation axis connection of the main shaft and the speed limit module, the speed limit module is mounted in the lower casing
Wall, the upper casing are connected with the lower casing.
9. high building escape deceleration device according to claim 8, which is characterized in that the correspondence of the upper casing and the lower casing
Position is provided with the identical notch of size shape, for the outlet as the wirerope.
10. high building escape deceleration device according to claim 9, which is characterized in that the exit is provided with sheave,
The appropriate location of the upper casing or the lower casing is provided with harness plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821305554.2U CN209108447U (en) | 2018-08-13 | 2018-08-13 | Speed limit module and high building escape deceleration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821305554.2U CN209108447U (en) | 2018-08-13 | 2018-08-13 | Speed limit module and high building escape deceleration device |
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| Publication Number | Publication Date |
|---|---|
| CN209108447U true CN209108447U (en) | 2019-07-16 |
Family
ID=67196973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821305554.2U Active CN209108447U (en) | 2018-08-13 | 2018-08-13 | Speed limit module and high building escape deceleration device |
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| Country | Link |
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| CN (1) | CN209108447U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589700A (en) * | 2019-09-20 | 2019-12-20 | 浙江工业大学之江学院 | Safe quick-falling device |
| CN115006781A (en) * | 2022-02-11 | 2022-09-06 | 东华理工大学 | Multi-functional sports training ware |
-
2018
- 2018-08-13 CN CN201821305554.2U patent/CN209108447U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589700A (en) * | 2019-09-20 | 2019-12-20 | 浙江工业大学之江学院 | Safe quick-falling device |
| CN110589700B (en) * | 2019-09-20 | 2024-02-23 | 浙江工业大学之江学院 | Safe quick-falling device |
| CN115006781A (en) * | 2022-02-11 | 2022-09-06 | 东华理工大学 | Multi-functional sports training ware |
| CN115006781B (en) * | 2022-02-11 | 2023-12-19 | 东华理工大学 | Multifunctional physical training device |
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Address after: 473000 North Side of Weishi Road Middle Section of Nanyang New Energy Economic and Technological Development Zone, Henan Province Patentee after: Henan Timely Star Emergency Rescue Equipment Co., Ltd. Address before: 473000 Lihe Logistics Park, Funiu Road, Wancheng District, Nanyang City, Henan Province Patentee before: Nanyang timely star emergency rescue equipment Co., Ltd. |